CN107059336A - The damping means and washing machine of a kind of washing machine - Google Patents

Abstract

The present invention relates to a vibration-damping component of a washing machine and the washing machine. The vibration-damping component includes a suspender, one end of which is connected to the washing machine box/outer tub, and a first elastic structure, one end of which is A hanging rod connected to the outer tub/cabinet of the washing machine is provided, and the other end is connected to the hanging rod through a connecting piece slidably arranged on the hanging rod; the second elastic structure is arranged in the first elastic structure, One end thereof is also connected to the suspension rod; the suspension rod is configured to move axially relative to the suspension rod, and deform the first elastic structure and the second elastic structure when moving. The damping part of the present invention obviously enhances the damping effect, and takes up little space. The damping part is not easy to collide with the inner structure of the washing machine, and the noise in the washing process is reduced.

Description

A vibration-damping component of a washing machine and the washing machine

technical field

The invention relates to laundry equipment, in particular to a vibration-damping component of a washing machine and a washing machine equipped with the vibration-damping component.

Background technique

The vibration damping unit of the existing pulsator washing machine mainly includes a boom and a vibration damping part. One end of the boom is connected to the washing machine cabinet, and the vibration damping part is suspended on the suspension seat of the outer tub of the washing machine. Due to the volume of the vibration damping part Relatively large, it will occupy a large space outside the bottom of the outer tub of the washing machine, and in order to adapt to the installation of vibration-damping components, the volume of the bottom of the outer tub of the washing machine is relatively large. Sometimes, when the washing machine starts to dehydrate, the outer tub of the washing machine will shake or sway with the motor starting, forming a large amplitude. The vibration-absorbing components will interfere with the bottom of the outer barrel, resulting in abnormal vibration and noise, affecting the user experience.

In view of this, the present invention is proposed.

Contents of the invention

An object of the present invention is to overcome the deficiencies of the prior art and provide a vibration-damping component of a washing machine that increases the vibration-damping effect, occupies less space inside the washing machine, and reduces the running noise of the washing machine.

Another object of the present invention is to provide a washing machine equipped with the above vibration-damping component.

In order to realize the purpose of the first invention, the present invention adopts the following technical solutions:

A vibration damping part of a washing machine, comprising a suspension rod, one end of the suspension rod is connected to the washing machine cabinet/outer tub, and also includes

A first elastic structure, one end of the first elastic structure is provided with a hanging rod connected to the outer tub/cabinet of the washing machine, and the other end is connected to the hanging rod through a connecting piece slidably arranged on the hanging rod;

a second elastic structure, the second elastic structure is arranged in the first elastic structure, and one end of the second elastic structure is also connected to the suspender;

The suspension rod is arranged to move axially relative to the hanging rod, and when moving, the first elastic structure and the second elastic structure are deformed.

Further, the first elastic structure includes a hanging spring, and the hanging spring includes a hanging spring body, a hanging rod arranged at one end of the hanging spring body, and a connecting piece arranged at the other end;

The connecting piece is a hanging spring fixing seat, which is detachably connected to the hanging spring body. The second elastic structure is arranged in the hanging spring body and is located between the hanging spring fixing seat and the other end of the boom. Preferably, the hanging spring The spring fixing seat is threadedly connected with the hanging spring body.

The hanging spring body is integrally formed with the hanging rod; or the hanging spring body is fixedly connected with the hanging rod; or the hanging spring body is detachably connected with the hanging rod.

Further, the second elastic structure includes,

Damping spring, first spring seat, second spring seat;

The first spring seat and the second spring seat are respectively arranged at the two ends of the damping spring and abut against the damping spring. The second elastic structure abuts against the hanging spring fixing seat through the second spring seat, and through the first The spring seat is connected with the other end of the boom;

The boom passes through the hanging spring fixing seat, the second spring seat, the damping spring and the first spring seat in turn, and the other end of the boom is provided with a positioning structure to prevent the first spring seat from slipping under the action of the damping spring . The other end of the rod is connected; the first spring seat has a movement tendency to slip off from the boom under the elastic force of the damping spring, and the positioning structure can prevent the first spring seat from slipping off from the boom.

Further, the center of the hanging spring fixing seat is provided with a through hole, and the suspension rod penetrates through the through hole and extends into the hanging spring body to connect with the second elastic structure;

The through hole includes a first through hole part and a second through hole part slidingly fitted with the suspension rod;

A second spring seat and a part of the damping spring are arranged in the second through hole, and the second spring seat is pressed against the second through hole by the damping spring;

The diameter of the first through hole is smaller than that of the second through hole, and the intersection of the two is provided with a limiting structure to prevent the second spring seat from slipping under the action of the damping spring.

Further, the inside of the first through hole of the hanging spring fixing seat is provided with a damping groove for storing damping grease, and the outside of the hanging spring fixing seat with the damping groove is provided with a hanging spring reinforcing rib. Preferably, the damping groove is arranged along the The hole extends axially, and the hanging spring reinforcing ribs are arranged corresponding to the damping grooves. More preferably, the damping grooves are evenly arranged along the circumference of the first through hole, and the hanging spring reinforcing ribs are arranged corresponding to the damping grooves.

Further, the centers of the first spring seat and the second spring seat are provided with through holes through which the suspenders pass, and at least part of the through holes of the second spring seats are slidably fitted with the suspenders;

A groove for storing damping grease is provided in the through hole where the second spring seat is slidingly matched with the suspension rod, and reinforcing ribs are provided on the outside of the second spring seat. Preferably, the groove is arranged along the second spring seat. The through hole extends axially, and the reinforcing ribs are arranged corresponding to the grooves. More preferably, the grooves are evenly arranged along the circumference of the through hole, and the reinforcing ribs are arranged corresponding to the grooves.

Further, the second elastic structure further includes a damping unit, which is arranged between the second spring seat and the hanging spring fixing seat, one end is slidingly fitted with the second through hole of the hanging spring fixing seat, and the other end extends into the second through hole of the hanging spring fixing seat. In the through hole of the second spring seat; one end of the outside of the damping unit extending into the through hole of the second spring seat is a circular platform structure, and the end size of this end is the smallest; the center of the damping unit is provided with a through hole, and the suspension rod runs through The through hole is slidably fitted with the through hole.

Further, at least three damping ribs are arranged in the through hole of the damping unit, preferably, the damping ribs are evenly arranged along the circumference of the through hole of the damping unit;

Both ends of the through hole of the damping unit are provided with at least one slot, preferably, the slots at both ends of the through hole are staggered.

In order to realize the second invention object, the present invention adopts following technical scheme:

A washing machine configured with the above-mentioned vibration-damping component, the washing machine further includes at least a washing machine casing and a washing machine outer tub, the washing machine casing is provided with an installation structure matched with the suspension rod, and is connected to the suspension rod; The bottom circumference side of the outer tub of the washing machine is provided with an installation structure matched with the hanging rod and connected with the hanging rod;

Alternatively, the washing machine cabinet is provided with a mounting structure that matches the hanging rod and is connected with the hanging rod; the outer tub of the washing machine is provided with a mounting structure that is matching with the hanging rod and is connected with the hanging rod. rod connection.

Further, the end of the suspender away from the first elastic structure is a hook-shaped structure, or in order to prevent the suspender from detaching from the positioning structure of the washing machine cabinet/outer tub, the washing machine cabinet/outer tub is provided with the hook-shaped A hanging hole matched with the structure or an installation hole matched with the positioning structure; the end of the hanging rod away from the first elastic structure is a hook-shaped structure, or in order to prevent the hanging rod from detaching from the positioning structure of the outer tub/cabinet of the washing machine, the outside of the washing machine The barrel/casing is provided with a hanging hole matched with the hook-shaped structure or an installation hole matched with the positioning structure.

After adopting the technical scheme described in the present invention, bring following beneficial effect:

1. The structural design of the vibration damping component of the present invention is simple, and the vibration damping effect is obviously enhanced through the cooperation of the first elastic structure and the second elastic structure.

2. The structural design of the vibration damping part of the present invention is simple, through the cooperation of the hanging spring and the second elastic structure, and the hanging spring and the second elastic structure are arranged in the middle part of the vibration damping part, so that the two ends of the vibration damping part are just The relatively small suspenders and hanging rods occupy a relatively small position on the outer tub of the washing machine. At the same time, due to the large space in the middle of the washing machine, the structure of the vibration damping part can be designed larger and the assembly length is longer. The shock absorbing spring and hanging spring achieve better shock absorbing effect.

3. In the present invention, a damping unit is provided between the hanging spring fixing seat and the second spring seat, and a groove for storing damping grease is provided in the through holes of the two, and a damping rib is also provided in the through hole of the damping unit to increase The overall damping force of the damping components is improved, and it is suitable for a large-capacity pulsator washing machine. In addition, the end of the damping unit extending into the second spring seat is set as a round table, so that the damping force provided by the damping unit can be changed, and the second spring seat is squeezed. The greater the force of the pressure damping unit, the greater the damping force generated by the damping unit.

4. The invention saves the installation space of the outer tub of the washing machine, can effectively reduce the volume of the outer tub of the washing machine, simplifies the design of the outer tub of the washing machine, and makes the operation of the washing machine more reliable.

Description of drawings

Fig. 1: the longitudinal sectional view of damping component of the present invention;

Fig. 2: exploded view of the vibration damping part of the present invention;

Figure 3: It is a partial enlarged view of Y in Figure 1;

Fig. 4: the schematic diagram of hanging spring holder of the present invention;

Fig. 5: the second spring seat schematic diagram of the present invention;

Figure 6: a schematic diagram of the damping unit of the present invention;

Among them: 1. Hanging rod; 2. The first elastic structure/hanging spring; 21. Hanging rod; 22. Hanging spring body; 23. Hanging spring fixing seat; 231. Damping groove; 232. Hanging spring reinforcing rib; 233. 234, second through hole; 3, second elastic structure; 31, damping spring; 32, first spring seat; 33, second spring seat; 331, groove; 332, reinforcing rib ; 34, damping unit; 341, damping rib; 342, slotting; 4, suspender seat; 5, hanging bar seat.

detailed description

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention , but not to limit the scope of the present invention.

In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer" and the like are based on the orientation or positional relationship shown in the accompanying drawings, and are only for It is convenient to describe the present invention and simplify the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral Ground connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

The specific implementation manners of the present invention will be further introduced below in conjunction with the accompanying drawings.

As shown in Figures 1-6, a vibration damping component of a washing machine includes a boom 1, one end of the boom 1 is connected to the washing machine box/outer tub, and also includes

The first elastic structure 2, one end of the first elastic structure 2 is provided with a hanging rod 21 connected to the outer tub/cabinet of the washing machine, and the other end is connected to the suspension rod 1 by sliding a connecting piece provided on the suspension rod 1;

A second elastic structure 3, the second elastic structure 3 is arranged in the first elastic structure 2, and one end thereof is also connected to the suspender 1;

The suspension rod 1 is configured to move axially relative to the hanging rod 21 and deform the first elastic structure 2 and the second elastic structure 3 when moving.

In the above solution, the vibration damping part of the washing machine according to the present invention is usually used in a pulsator washing machine. One end of the suspension rod 1 is connected to the washing machine casing/outer tub through the suspension rod seat 4; the hanging rod 21 is connected to the washing machine outer tub/casing body through the hanging rod seat 5. Both the first elastic structure 2 and the second elastic structure 3 are elastic, deformed under the action of an external force, and return to their original shape after the external force is removed. The deformable elastic parts of the first elastic structure 2 may both be springs, or one may be a spring and the other may be other forms of elastic parts. The suspension rod 1 is configured to move axially relative to the suspension rod 21 , and when moving, the first elastic structure 2 and the second elastic structure 3 are deformed, thereby providing a damping force. One end of the hanging rod 21 is arranged on one end of the first elastic structure 2, and the other end is connected with the washing machine casing or the outer tub, and one end of the hanging rod 1 is connected with the washing machine outer tub or casing, and the hanging rod 1 is also set by sliding The connecting piece on it is connected with the other end of the first elastic structure 2 and is also connected with the second elastic structure 3 at the same time.

Further, the first elastic structure 2 includes a hanging spring 2, and the hanging spring 2 includes a hanging spring body 22, a hanging rod 21 arranged at one end of the hanging spring body 22, and a connecting piece arranged at the other end thereof;

The connecting piece is the hanging spring fixing seat 23, which is detachably connected with the hanging spring body 22. The second elastic structure 3 is arranged in the hanging spring body 22, between the hanging spring fixing seat 23 and the other end of the suspension rod 1. Between, preferably, the hanging spring fixing seat 23 is screwed to the hanging spring body 22 .

The hanging spring body 22 is integrally formed with the hanging rod 21 ; or the hanging spring body 22 is fixedly connected with the hanging rod 21 ; or the hanging spring body 22 is detachably connected with the hanging rod 21 .

In the above solution, the hanging spring fixing seat 23 is detachably connected to the hanging spring body 22, and the connection method can be clamping, threaded connection, etc. In this solution, a preferred embodiment is that the hanging spring fixing seat 23 is connected to the hanging spring body 22 The hanging spring body 22 is threaded. The function of the hanging spring fixing seat 23 is to connect and fix the hanging spring 2 , and the second elastic structure 3 is arranged in the hanging spring body 22 , between the hanging spring fixing seat 23 and the other end of the boom 1 .

Further, the second elastic structure 3 includes,

Damping spring 31, first spring seat 32, second spring seat 33;

The first spring seat 32 and the second spring seat 33 are respectively arranged on the two ends of the damping spring 31 and abut against the damping spring 31, and the second elastic structure 3 is connected to the hanging spring fixing seat through the second spring seat 33. 23 against each other, connected with the other end of the boom 1 through the first spring seat 32;

The suspension rod 1 passes through the hanging spring fixing seat 23, the second spring seat 33, the damping spring 31 and the first spring seat 32 successively, and the other end of the suspension rod 1 is provided with a device to prevent the first spring seat 32 from vibrating. The positioning structure that slips off under the action of the spring 31. The other end of the rod is connected; the first spring seat 32 has a movement tendency to slip off from the boom 1 under the elastic force of the damping spring 31, and the first spring seat 32 can be prevented from slipping off from the boom 1 by setting a positioning structure .

In the above solution, the damping spring 31 is sandwiched between the first spring seat 32 and the second spring seat 33, respectively abutting against the two, and the suspension rod 1 drives the first spring seat 32 to generate a displacement, thereby The damping spring 31 is deformed to generate a damping force. The other end of the suspension rod 1 is the end of the suspension rod 1 not connected with the washing machine cabinet/outer tub. The positioning structure of the other end of the boom 1 can be a detachably connected structure with the boom 1, or can be an integrally formed structure with the boom 1. If the end of the boom 1 can pass through the spring fixing seat 23 in sequence , the second spring seat 33, the damping spring 31 and the first spring seat 32, the positioning structure of the suspender 1 is preferably integrally formed with the suspender 1, if the end of the suspender 1 cannot pass through the hanging spring fixing seat 23 in sequence , the second spring seat 33 , the damping spring 31 and the first spring seat 32 , the positioning structure of the boom 1 must be detachably connected with the boom 1 .

Further, the center of the hanging spring fixing seat 23 is provided with a through hole, and the suspension rod 1 penetrates through the through hole and extends into the hanging spring body 22 to connect with the second elastic structure 3;

The through hole includes a first through hole portion 233 and a second through hole portion 234 that are slidably fitted with the boom 1;

A second spring seat 33 and a part of the damping spring 31 are arranged in the second through hole 234 , and the second spring seat 33 is pressed against the second through hole 234 by the damping spring 31 ;

The diameter of the first through hole 233 is smaller than that of the second through hole 234 , and the intersection of the two is provided with a limiting structure to prevent the second spring seat 33 from slipping under the action of the damping spring 31 .

In the above solution, the second spring seat 33 is pressed against the second through hole portion 234 by the damping spring 31, preventing the second spring seat 33 and the damping spring 31 from being in the second through hole portion. 234 radial movement, the limiting structure limits the second spring seat 33 and the damping spring 31 in the hanging spring body. Since the aperture of the first through hole portion 233 is smaller than the second through hole portion 234, the intersection of the two through hole portions can be directly used as a limiting structure to prevent the second spring seat 33 from slipping under the action of the damping spring 31. Preferably, it is a limiting surface produced by different inner diameters of the through holes; or an additional limiting structure is provided at the intersection of the two through holes to prevent the second spring seat 33 from slipping under the action of the damping spring 31 .

Further, the inner side of the first through hole 233 of the hanging spring fixing seat 23 is provided with a damping groove 231 for storing damping grease, and the outer side of the hanging spring fixing seat 23 provided with the damping groove 231 is provided with a hanging spring reinforcing rib 232, preferably, The damping groove 231 extends axially along the through hole, and the hanging spring reinforcing rib 232 is arranged corresponding to the damping groove 231. More preferably, the damping groove 231 is evenly arranged along the circumference of the first through hole portion 233, so that The hanging spring ribs 232 are arranged corresponding to the damping grooves 231 .

In the above scheme, the damping grease is a widely used high-resistance lubricating grease, which is mainly designed for the retardation, buffering and waterproof sealing of the slow switch mechanism with large resistance requirements, so as to make the moving parts more stable, smooth and accurate operation. The damping grease stored in the damping groove 231 not only increases the damping performance but also reduces wear. The hanging spring reinforcing rib 232 increases the strength of the hanging spring fixing seat 23 . When the damping groove 231 extends axially along the through hole, the damping force generated by the relative sliding between the suspension rod 1 and the hanging spring fixing seat 23 is small, and the damping force is provided without making the damping force too large to affect its Relative sliding with boom 1. The damping grooves 231 are uniformly arranged along the circumferential direction of the first through hole portion 233 for the purpose of uniformly distributing the provided damping force so as to avoid unnecessary skewing and the like. In addition, it is more preferable that the hanging spring fixing seat 23 has a certain length, so as to prevent the hanging spring fixing seat 23 from being skewed during use. Abnormal noise caused by friction and interference.

Further, the centers of the first spring seat 32 and the second spring seat 33 are provided with through holes for the boom 1 to pass through, and at least part of the through holes of the second spring seat 33 are slidably fitted with the boom 1;

A groove 331 for storing damping grease is provided in the through hole where the second spring seat 33 is slidably matched with the suspender 1. The second spring seat 33 is provided with a reinforcing rib 332 on the outside of the groove 331. Preferably, the groove 331 extends axially along the through hole of the second spring seat 33, and the reinforcing rib 332 is arranged corresponding to the groove 331. More preferably, the groove 331 is evenly arranged along the circumference of the through hole, and the reinforcing rib 332 is corresponding to the groove 331 settings.

In the above solution, the groove 331 for storing damping grease is provided in the through hole of the second spring seat 33 in order to increase the damping force of the second spring seat 33 while not making the damping force too large to affect its connection with the boom 1. The relative sliding also reduces wear; the reinforcement rib 332 is provided on its outer side to increase the strength of the second spring seat 33 . The axial extension is to obtain a suitable damping force, and the circumferential uniformity is to make the generated damping force evenly distributed, so as to avoid accidents such as skew due to uneven damping force.

Further, the second elastic structure 3 also includes a damping unit 34, the damping unit 34 is arranged between the second spring seat 33 and the hanging spring fixing seat 23, and one end is connected to the second through hole portion 234 of the hanging spring fixing seat 23 Sliding fit, the other end extends into the through hole of the second spring seat 33; one end of the outside of the damping unit 34 extending into the through hole of the second spring seat 33 is a circular platform structure, and the end size of this end is the smallest; the damping unit 34 A through hole is arranged in the center of the suspension rod 1, and the suspension rod 1 passes through the through hole and is slidably fitted with the through hole.

In the above solution, the damping unit 34 provides a suitable damping force, and at the same time makes the sliding connection between the second spring seat 33, the hanging spring fixing seat 23 and the suspension rod 1 more reliable, reducing the risk of skewing of each component. possibility, improving the overall reliability. The damping unit 34 is slidingly matched with the second through hole portion 234 of the hanging spring fixing seat 23 to prevent it from extending along the radial direction of the hanging spring fixing seat 23 . The outer end of the damping unit 34 protruding into the through hole of the second spring seat 33 has a circular truncated structure, so that the damping force formed by the damping unit is variable. During the dehydration operation of the washing machine, the second spring seat 33 squeezes the damping unit 34 when it is stressed, so that the through hole of the damping unit 34 shrinks, and the resistance formed with the suspension rod 1 increases. The greater the extrusion force on the second spring seat 33 is, the greater the damping force of the damping unit is.

Further, at least three damping ribs 341 are arranged in the through hole of the damping unit 34. Preferably, the damping ribs 341 are evenly arranged along the circumference of the through hole of the damping unit 34; At least one slot 342 is provided, preferably, the slots 342 at both ends of the through hole are staggered.

In the above scheme, the purpose of setting a plurality of damping ribs 341 is to increase the frictional damping force of the damping unit 34, thereby enhancing the reliability of the damping unit 34; The skew occurs, which further affects the position and movement between the second spring seat 33 , the damping spring 31 or the hanging spring fixing seat 23 . Slots 342 are provided at both ends of the through hole of the damping unit 34 to increase the elasticity of the damping unit 34 and prolong its service life. The slots 342 at both ends of the through hole are staggered, which not only increases the elasticity but also increases the strength of the damping unit 34 .

Further, the present invention also proposes a washing machine, which includes the above-mentioned vibration-damping component, and the washing machine at least includes a washing machine casing and a washing machine outer tub, and is characterized in that, the washing machine casing is provided with a The installation structure matched with the rod 1 is connected with the suspension rod 1; the bottom circumference side of the outer tub of the washing machine is provided with an installation structure matched with the hanging rod 21 and connected with the hanging rod 21;

Alternatively, the washing machine cabinet is provided with an installation structure that cooperates with the hanging rod 21 and is connected with the hanging rod 21; the bottom circumference side of the outer tub of the washing machine is provided with an installation structure that cooperates with the suspension rod 1 And connect with boom 1.

In the above solution, the end of the suspension rod 1 and the hanging rod 21 away from the first elastic structure 2 may be a hook-shaped structure, or a clamping structure or a threaded structure. In general, a hook structure is preferred.

Further, the end of the suspender 1 away from the first elastic structure 2 is a hook-shaped structure, or in order to prevent the suspender 1 from detaching from the positioning structure of the washing machine cabinet/outer tub, the washing machine cabinet/outer tub is provided with a The hanging hole matched with the hook-shaped structure or the installation hole matched with the positioning structure;

The end of the hanging rod 21 away from the first elastic structure 2 is a hook-shaped structure, or in order to prevent the hanging rod 21 from detaching from the positioning structure of the outer tub/cabinet of the washing machine, the outer tub/cabinet of the washing machine is provided with the hook. The hanging hole matched with the shape structure or the installation hole matched with the positioning structure.

Embodiment one

As shown in Figures 1-6, in this embodiment, the vibration-damping component of the washing machine is arranged on the pulsator washing machine.

The damping part of the washing machine includes a suspension rod 1, and one end of the suspension rod 1 is connected with the washing machine cabinet/outer tub, and also includes

The first elastic structure 2, one end of the first elastic structure 2 is provided with a hanging rod 21 connected to the outer tub/cabinet of the washing machine, and the other end is connected to the suspension rod 1 by sliding a connecting piece provided on the suspension rod 1;

A second elastic structure 3, the second elastic structure 3 is arranged in the first elastic structure 2, and one end thereof is also connected to the suspender 1;

The suspension rod 1 is configured to move axially relative to the hanging rod 21 and deform the first elastic structure 2 and the second elastic structure 3 when moving.

As shown in Figures 1-6, specifically, the first elastic structure 2 includes a hanging spring 2, and the hanging spring 2 includes a hanging spring body 22, a hanging rod 21 arranged at one end of the hanging spring body 22 and a hanging spring arranged at the other end. Connector; this connector is the hanging spring fixing seat 23, and the hanging spring fixing seat 23 is threadedly connected with the hanging spring body 22, and the second elastic structure 3 is arranged in the hanging spring body 22, and is located in the hanging spring between the fixing seat 23 and the other end of the boom 1 .

The hanging spring body 22 is integrally formed with the hanging rod 21 .

The second elastic structure 3 includes a damping spring 31, a first spring seat 32, and a second spring seat 33; the first spring seat 32 and the second spring seat 33 are respectively arranged at two ends of the damping spring 31 And abut against the damping spring 31, the second elastic structure 3 abuts against the hanging spring fixing seat 23 through the second spring seat 33, and is connected with the other end of the suspension rod 1 through the first spring seat 32; the suspension rod 1 Pass through the hanging spring fixing seat 23, the second spring seat 33, the damping spring 31 and the first spring seat 32 in sequence, and the other end of the suspender 1 is provided with a off the positioning structure. The other end of the rod is connected;

The center of the hanging spring fixing seat 23 is provided with a through hole, and the suspender 1 penetrates through the through hole and extends into the hanging spring body 22 to connect with the second elastic structure 3; The first through hole part 233, and the second through hole part 234; the second spring seat 33 and part of the damping spring 31 are arranged in the second through hole part 234, and the second spring seat 33 is resisted by the damping spring 31 Lean against the second through hole portion 234; the aperture of the first through hole portion 233 is smaller than the second through hole portion 234, and the intersection of the two is provided with a limit to prevent the second spring seat 33 from slipping under the action of the damping spring 31. bit structure.

The center of the hanging spring fixing seat 23 is provided with a through hole, and the suspender 1 penetrates through the through hole and extends into the hanging spring body 22 to connect with the second elastic structure 3; The first through hole part 233, and the second through hole part 234; the second spring seat 33 and part of the damping spring 31 are arranged in the second through hole part 234, and the second spring seat 33 is resisted by the damping spring 31 Lean against the second through hole portion 234; the aperture of the first through hole portion 233 is smaller than the second through hole portion 234, and the intersection of the two is provided with a limit to prevent the second spring seat 33 from slipping under the action of the damping spring 31. bit structure.

The inner side of the first through hole 233 of the hanging spring fixing seat 23 is provided with a damping groove 231 for storing damping grease, and the outer side of the hanging spring fixing seat 23 with the damping groove 231 is provided with a hanging spring reinforcing rib 232, and the damping groove 231 Extending axially along the through hole and uniformly arranged along the circumferential direction of the first through hole portion 233 , the hanging spring reinforcing rib 232 is arranged corresponding to the damping groove 231 .

The centers of the first spring seat 32 and the second spring seat 33 are provided with through holes for the boom 1 to pass through, and the through holes of the second spring seat 33 are at least partly slidably fitted with the boom 1;

A groove 331 for storing damping grease is provided in the through hole where the second spring seat 33 is slidably matched with the suspender 1, and a reinforcing rib 332 is provided outside the groove 331 of the second spring seat 33, and the groove 331 is arranged along the first The through hole of the second spring seat 33 extends axially and is evenly arranged along the circumference of the through hole, and the reinforcing rib 332 is arranged corresponding to the groove 331 .

The second elastic structure 3 also includes a damping unit 34, the damping unit 34 is arranged between the second spring seat 33 and the hanging spring fixing seat 23, and one end is slidingly fitted with the second through hole 234 of the hanging spring fixing seat 23, The other end extends into the through hole of the second spring seat; one end of the damping unit extending into the through hole of the second spring seat outside is a circular platform structure, and the end size of this end is the smallest; the center of the damping unit 34 is provided with a through hole , the suspension rod 1 passes through the through hole and is slidably fitted with the through hole.

At least three damping ribs 341 are arranged in the through hole of the damping unit 34, and the damping ribs 341 are evenly arranged along the circumference of the through hole of the damping unit 34; at least one slot 342 is arranged at both ends of the through hole of the damping unit 34 , the slots 342 at both ends of the through hole are staggered.

The pulsator washing machine described in this embodiment at least includes a washing machine casing and a washing machine outer tub, and the washing machine casing is provided with an installation structure that cooperates with the suspension rod 1 and is connected with the suspension rod 1; An installation structure matched with the hanging rod 21 is provided on the bottom circumference side of the barrel and is connected with the hanging rod 21 .

The end of the suspension rod 1 and the hanging rod 21 away from the first elastic structure 2 is a hook-shaped structure, and the washing machine cabinet and the outer tub of the washing machine are provided with hanging holes matching the hook-shaped structure.

Embodiment two

As shown in FIGS. 1-6 , in this embodiment, the vibration-damping components of the washing machine are arranged on the pulsator washing machine.

The damping part of the washing machine includes a suspension rod 1, and one end of the suspension rod 1 is connected with the washing machine cabinet/outer tub, and also includes

The first elastic structure 2, one end of the first elastic structure 2 is provided with a hanging rod 21 connected to the outer tub/cabinet of the washing machine, and the other end is connected to the suspension rod 1 by sliding a connecting piece provided on the suspension rod 1;

A second elastic structure 3, the second elastic structure 3 is arranged in the first elastic structure 2, and one end thereof is also connected to the suspender 1;

The suspension rod 1 is configured to move axially relative to the hanging rod 21 and deform the first elastic structure 2 and the second elastic structure 3 when moving.

The difference from Example 1 is that

The hanging rod 21 is connected with the casing of the washing machine, and the other end of the hanging rod 1 is connected with the outer tub of the washing machine.

The washing machine cabinet is provided with an installation structure that cooperates with the hanging rod 21 and is connected with the hanging rod 21; Boom 1 connection.

The above descriptions are only preferred embodiments of the present invention, and do not limit the present invention in any form. Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Anyone familiar with the technology of this patent Without departing from the scope of the technical solution of the present invention, personnel can use the technical content of the above prompts to make some changes or modify them into equivalent embodiments with equivalent changes. In essence, any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the solutions of the present invention. The above is an embodiment of the present invention. It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, various modifications and improvements can be made, which should also be regarded as the embodiment of the present invention. protected range.

Claims (10)

1. A vibration damping part of a washing machine, comprising a suspension rod, one end of the suspension rod is connected with the washing machine casing/outer tub, it is characterized in that: it also includes A first elastic structure, one end of the first elastic structure is provided with a hanging rod connected to the outer tub/cabinet of the washing machine, and the other end is connected to the hanging rod through a connecting piece slidably arranged on the hanging rod; a second elastic structure, the second elastic structure is arranged in the first elastic structure, and one end of the second elastic structure is also connected to the suspender; The suspension rod is arranged to move axially relative to the hanging rod, and when moving, the first elastic structure and the second elastic structure are deformed. 2. The damping part of a washing machine according to claim 1, characterized in that: The first elastic structure includes a hanging spring, and the hanging spring includes a hanging spring body, a hanging rod arranged at one end of the hanging spring body and a connector arranged at the other end; The connecting piece is a hanging spring fixing seat, which is detachably connected with the hanging spring body. The second elastic structure is arranged in the hanging spring body and is located between the hanging spring fixing seat and the other end of the boom. Preferably, the hanging spring The spring fixing seat is threadedly connected with the hanging spring body. 3. The damping component of a washing machine according to claim 1 or 2, characterized in that: the second elastic structure comprises: Damping spring, first spring seat, second spring seat; The first spring seat and the second spring seat are respectively arranged at the two ends of the damping spring and abut against the damping spring. The second elastic structure abuts against the hanging spring fixing seat through the second spring seat, and through the first The spring seat is connected with the other end of the boom; The boom passes through the hanging spring fixing seat, the second spring seat, the damping spring and the first spring seat in turn, and the other end of the boom is provided with a positioning structure to prevent the first spring seat from slipping under the action of the damping spring . 4. The damping part of a washing machine according to any one of claims 2-3, characterized in that: The center of the hanging spring fixing seat is provided with a through hole, and the suspension rod penetrates through the through hole and extends into the hanging spring body to connect with the second elastic structure; The through hole includes a first through hole part and a second through hole part slidingly fitted with the suspension rod; A second spring seat and a part of the damping spring are arranged in the second through hole, and the second spring seat is pressed against the second through hole by the damping spring; The diameter of the first through hole is smaller than that of the second through hole, and the intersection of the two is provided with a limiting structure to prevent the second spring seat from slipping under the action of the damping spring. 5. The damping part of a washing machine according to claim 4, characterized in that: The inner side of the first through hole of the hanging spring fixing seat is provided with a damping groove for storing damping grease, and the outer side of the hanging spring fixing seat with the damping groove is provided with a hanging spring reinforcing rib. Preferably, the damping groove is arranged along the axis of the through hole. Extending in the direction, the hanging spring reinforcing ribs are arranged corresponding to the damping grooves. More preferably, the damping grooves are evenly arranged along the circumference of the first through hole, and the hanging spring reinforcing ribs are arranged corresponding to the damping grooves. 6. The damping part of a washing machine according to claim 3, characterized in that: The centers of the first spring seat and the second spring seat are provided with through holes for the suspension rod to pass through, and at least part of the through holes of the second spring seat are slidably fitted with the suspension rod; A groove for storing damping grease is provided in the through hole where the second spring seat is slidingly matched with the suspension rod, and reinforcing ribs are provided on the outside of the second spring seat. Preferably, the groove is arranged along the second spring seat. The through hole extends axially, and the reinforcing ribs are arranged corresponding to the grooves. More preferably, the grooves are evenly arranged along the circumference of the through hole, and the reinforcing ribs are arranged corresponding to the grooves. 7. The damping part of a washing machine according to any one of claims 3-4, characterized in that: The second elastic structure also includes a damping unit, the damping unit is arranged between the second spring seat and the hanging spring fixing seat, one end is slidingly fitted with the second through hole of the hanging spring fixing seat, and the other end extends into the second spring in the through hole of the seat; The outer end of the damping unit extending into the through hole of the second spring seat is a circular truncated structure, and the end size of this end is the smallest; A through hole is formed in the center of the damping unit, and the suspension rod passes through the through hole and is slidably matched with the through hole. 8. The damping part of a washing machine according to claim 7, characterized in that: At least three damping ribs are arranged in the through hole of the damping unit, preferably, the damping ribs are evenly arranged along the circumference of the through hole of the damping unit; Both ends of the through hole of the damping unit are provided with at least one slot, preferably, the slots at both ends of the through hole are staggered. 9. A washing machine configured with the vibration-damping component according to any one of claims 1-8, the washing machine at least further comprises a washing machine casing and a washing machine outer tub, wherein the washing machine casing is provided with a The installation structure matched with the suspension rod is connected with the suspension rod; the bottom circumference side of the outer tub of the washing machine is provided with the installation structure matched with the suspension rod and connected with the suspension rod; Alternatively, the washing machine cabinet is provided with a mounting structure that matches the hanging rod and is connected with the hanging rod; the outer tub of the washing machine is provided with a mounting structure that is matching with the hanging rod and is connected with the hanging rod. rod connection. 10. A washing machine according to claim 9, characterized in that: The end of the suspension rod away from the first elastic structure is a hook-shaped structure, or in order to prevent the suspension rod from detaching from the positioning structure of the washing machine cabinet/outer tub, the washing machine cabinet/outer tub is equipped with a hook structure that cooperates with the hook-shaped structure. The hanging hole or the installation hole matched with the positioning structure; The end of the hanging rod far away from the first elastic structure is a hook-shaped structure, or in order to prevent the hanging rod from detaching from the positioning structure of the outer tub/cabinet of the washing machine, the outer tub/cabinet of the washing machine is equipped with a hook structure that cooperates with the hook-shaped structure. The hanging hole or the installation hole matched with the positioning structure.