CN111870177B

CN111870177B - Connecting mechanism of dust collector and dust collector

Info

Publication number: CN111870177B
Application number: CN202010826801.9A
Authority: CN
Inventors: 卞小贤; 魏娟; 顾良; 沈克强; 苏徐奇
Original assignee: Suzhou Cleva Electric Appliance Co Ltd
Current assignee: Suzhou Cleva Electric Appliance Co Ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2025-09-16
Anticipated expiration: 2040-08-17
Also published as: CN111870177A; WO2022036848A1

Abstract

The present invention discloses a connecting mechanism for a vacuum cleaner and a vacuum cleaner, which belongs to the field of dust removal technology. The connecting mechanism of the vacuum cleaner includes a buckle and an elastic part. The buckle is rotatably connected to the barrel cover. The blower has a step, and the buckle can also be engaged with the step; the elastic part acts on the buckle to make the buckle press against the step. By rotating the buckle, the elastic part is compressed, so that the barrel cover and the blower can be separated. When the buckle is released, the buckle is reset and engaged with the step under the action of the elastic part, and the elastic part acts on the buckle to press against the step, so that the barrel cover and the blower are locked. Due to the rotational connection between the buckle and the barrel cover, the buckle is detachable, which is convenient for replacing the buckle and reducing manufacturing costs. The vacuum cleaner includes the above-mentioned connecting mechanism of the vacuum cleaner, which can lock the barrel cover and the blower, and is convenient for installation, disassembly, replacement and maintenance, thereby reducing production costs.

Description

Connecting mechanism of dust collector and dust collector

Technical Field

The invention relates to the technical field of dust removal, in particular to a connecting mechanism of a dust collector and the dust collector.

Background

The dust collector generally comprises a dust collection barrel, a blowing machine, a barrel cover and universal wheels, wherein the universal wheels are arranged at the bottom of the dust collection barrel, the barrel cover is arranged at the top of the dust collection barrel, and the blowing machine is arranged on the barrel cover and partially stretches into the dust collection barrel. A driving motor and blades are arranged in a shell of the blowing machine and used for generating negative pressure in the dust collection barrel, and garbage such as fragments, dust and the like is sucked into the dust collection barrel through a hose arranged on the dust collection barrel.

When more dust is accumulated in the dust collection barrel, the barrel cover needs to be disassembled to pour the dust, so that the dust collection barrel and the barrel cover are detachably connected. In the prior art, the dust collection barrel is connected with the barrel cover through a buckle, the buckle is fixed on the dust collection barrel and can be connected with the barrel cover in a clamping way, the buckle and the dust collection barrel are integrally formed, and after being used for multiple times, the dust collection barrel is easy to damage, so that the manufacturing cost of the dust collection barrel is high.

The dust collector has the functions of blowing and dust collection, and when the dust collector is used for blowing, the whole dust collector is inconvenient to operate, and the dust collector needs to be separated from the dust collector, so that the dust collector is detachably connected with the barrel cover. Among the prior art, through the buckle connection between blowing machine and the bung, the buckle is fixed in the bung and can with blowing machine joint, buckle and bung integrated into one piece, it is fragile after the multiple use, leads to the manufacturing cost of bung high.

Disclosure of Invention

The invention aims to provide a connecting mechanism of a dust collector and the dust collector, which are used for solving the technical problem that the buckle fixing arrangement in the prior art is inconvenient to detach and replace.

The technical scheme adopted by the invention is as follows:

a connection mechanism for a vacuum cleaner for removably connecting a blower to a tub cover, the connection mechanism comprising:

the hasp is rotationally connected with the barrel cover, the blower is provided with a step, and the hasp can be clamped with the step;

And an elastic part acting on the buckle to enable the buckle to abut against the step.

Wherein, the hasp includes:

the connecting part is rotationally connected with the barrel cover;

The fastening part is connected with the connecting part and can be clamped with the step;

And the action part is connected with the connecting part, and the elastic part is arranged between the action part and the barrel cover.

The barrel cover is provided with a mounting hole, and the supporting shafts are rotatably arranged in the mounting hole.

The elastic part and the acting part are integrally formed, and the barrel cover is provided with a limiting part which is abutted to the elastic part.

The elastic part is arranged at the bottom side of the acting part, a positioning cavity is arranged on the acting part opposite to the elastic part, one end of the elastic part is inserted into the positioning cavity, and the other end of the elastic part is sleeved on the positioning column on the barrel cover.

The hasp comprises an extension part, the extension part is connected with the fastening part and extends in an arc shape in a direction away from the fastening part, a limiting handle is arranged on the barrel cover, and an accommodating space is defined by the extension part and the limiting handle.

Wherein the connecting portion, the fastening portion, the acting portion and the extending portion are integrally formed.

The elastic part is arranged on the outer side of the acting part, the hasp further comprises a limiting protrusion connected with the acting part, and the limiting protrusion is located on the upper side of the elastic part.

The barrel cover is provided with a limiting block on the inner side of the hasp, and the hasp can be abutted with the limiting block.

A vacuum cleaner comprises the connecting mechanism of the vacuum cleaner.

The invention has the beneficial effects that:

According to the connecting mechanism of the dust collector, the elastic part is compressed by rotating the hasp, so that the barrel cover and the blowing machine can be separated, when the hasp is loosened, the hasp is reset and clamped with the step under the action of the elastic part, and the elastic part acts on the hasp to tightly prop against the step, so that the barrel cover and the blowing machine are locked, and the barrel cover and the blowing machine are convenient to install and detach. The hasp is connected with the barrel cover in a rotating way, so that the hasp can be detached, the hasp can be replaced conveniently, and the manufacturing cost is reduced. When the connecting mechanism is applied to the dust collector, the barrel cover and the blowing machine can be locked, the barrel cover and the dust collection barrel can also be locked, the installation, the disassembly, the replacement and the maintenance are convenient, and the production cost is reduced.

Drawings

Fig. 1 is an exploded view of a vacuum cleaner according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a barrel cover and a connecting mechanism according to a first embodiment of the present invention;

FIG. 3 is a top view of a vacuum cleaner according to a first embodiment of the present invention;

FIG. 4 is a cross-sectional view taken along A-A of FIG. 3;

FIG. 5 is an enlarged view at D of FIG. 4;

FIG. 6 is a B-B cross-sectional view of FIG. 3;

FIG. 7 is an enlarged view at E of FIG. 6;

FIG. 8 is a C-C cross-sectional view of FIG. 3;

FIG. 9 is a schematic view of a portion of the structure of FIG. 8;

FIG. 10 is a schematic view of a connection mechanism for engaging with a hose according to a first embodiment of the present invention;

FIG. 11 is a top view of a lid and attachment mechanism according to a second embodiment of the present invention;

FIG. 12 is a cross-sectional view in the F-F direction of FIG. 11;

FIG. 13 is a G-G cross-sectional view of FIG. 11;

Fig. 14 is an enlarged view at H of fig. 13.

In the figure:

10. a dust collection barrel, a hose and a dust collection pipe 101;

20. A blowing machine, 201, a step, 202, a positioning protrusion;

30. 301 parts of barrel cover, 302 parts of limiting handle and 302 parts of limiting block;

40. A filter assembly;

1. A hasp; 11 parts of connecting parts, 12 parts of fastening parts, 13 parts of acting parts, 14 parts of extending parts, 15 parts of supporting shafts, 16 parts of limiting bulges;

2. An elastic part.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.

In the description of the present invention, unless explicitly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may, for example, be fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected through an intervening medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.

Example 1

Referring to fig. 1, an embodiment of the present invention provides a dust collector including a dust collection tub 10, a blower 20, and a tub cover 30, the tub cover 30 being disposed at the top of the dust collection tub 10, the blower 20 being disposed on the tub cover 30 and partially extending into the dust collection tub 10. A driving motor and blades are provided in a cabinet of the blower 20 to generate a negative pressure in the dust bin 10, and to suck garbage such as debris, dust, etc. into the dust bin 10 through a hose 101 mounted on the dust bin 10. A filter assembly 40 is further provided in the dust bin 10 for filtering air introduced into the dust bin 10 so that debris, dust, etc. remain in the dust bin 10, and clean air is discharged.

When more dust is accumulated in the dust collection barrel 10, the barrel cover 30 needs to be disassembled to pour the dust, so that the dust collection barrel 10 and the barrel cover 30 are detachably connected. The cleaner has the functions of blowing and dust collecting, and the whole cleaner is inconvenient to operate when the blowing work is performed, and the blower 20 needs to be separated from the cleaner, so that the blower 20 and the barrel cover 30 are detachably connected.

Referring to fig. 2 to 10, the embodiment of the present invention further provides a connection mechanism of the dust collector, which can detachably connect the blower 20 to the tub cover 30, and can detachably connect the tub cover 30 to the dust collection tub 10. Of course, the device can be simultaneously applied between the barrel cover 30 and the blower 20 and between the barrel cover 30 and the dust collection barrel 10, so that the device is convenient to mount, dismount, replace and maintain, and the production cost is reduced.

In this embodiment, the connection between the blower 20 and the tub cover 30 is described as an example. The connecting mechanism of the dust collector comprises a hasp 1 and an elastic part 2, wherein the hasp 1 is rotatably connected with the barrel cover 30, the blowing machine 20 is provided with a step 201, the hasp 1 can be clamped with the step 201, the elastic part 2 is arranged between the hasp 1 and the barrel cover 30, and the elastic part 2 acts on the hasp 1 to tightly prop against the step 201.

By rotating the hasp 1 and compressing the elastic part 2, the barrel cover 30 and the blowing machine 20 can be separated, when the hasp 1 is loosened, the hasp 1 is reset to be clamped with the step 201 under the action of the elastic part 2, the elastic part 2 acts on the hasp 1 to tightly prop against the step 201, so that the barrel cover 30 and the blowing machine 20 are locked, and the barrel cover 30 and the blowing machine 20 are convenient to install and detach. Because the hasp 1 is rotatably connected with the barrel cover 30, the hasp can be detached, the hasp 1 can be replaced conveniently, and the manufacturing cost is reduced.

When the blower 20 and the barrel cover 30 are assembled, the hasp 1 is rotated, the elastic part 2 is compressed, the hasp 1 is kept away from the installation position of the blower 20, the blower 20 and the barrel cover 30 are aligned, the hasp 1 is loosened, the hasp 1 is restored to be clamped with the step 201 under the action of the elastic part 2, the elastic part 2 acts on the hasp 1 to tightly prop against the step 201, so that the barrel cover 30 and the blower 20 are locked, when the blower 20 needs to be disassembled, the hasp 1 is rotated, the elastic part 2 is compressed, so that the hasp 1 is far away from the step 201, and at the moment, the blower 20 and the barrel cover 30 can be disassembled.

Referring to fig. 5 and 7, in order to facilitate accurate clamping position between the hasp 1 and the step 201, a positioning groove is formed on the barrel cover 30, a positioning protrusion 202 is formed on the housing of the blower 20, and when the blower 20 and the barrel cover 30 are aligned, the positioning protrusion 202 is inserted into the positioning groove to perform a preliminary positioning function, and after the connecting mechanism is locked, the blower 20 and the barrel cover 30 are fixedly connected.

The hasp 1 comprises a connecting part 11, a fastening part 12 and an action part 13, wherein the connecting part 11 is rotationally connected with the barrel cover 30, the fastening part 12 is connected with the connecting part 11, the fastening part 12 can be clamped with the step 201, the action part 13 is connected with the connecting part 11, and the elastic part 2 is arranged between the action part 13 and the barrel cover 30. When the buckle 1 is turned, the fastening part 12 of the buckle 1 may be forced so that the acting part 13 of the buckle 1 compresses the elastic part 2, and the respective parts of the buckle 1 cooperate to realize the locking function.

The connecting part 11, the fastening part 12 and the acting part 13 are integrally formed, so that the structural strength is ensured, and the processing and the production are convenient. The connecting part 11, the fastening part 12 and the acting part 13 may be distributed in a tripod shape or may be in other shapes.

The connection between the hasp 1 and the barrel cover 30 can be that a rotating shaft is arranged between the hasp 1 and the barrel cover 30, a first through hole penetrating through the rotating shaft is arranged on the barrel cover 30, a second through hole corresponding to the first through hole is arranged on the hasp 1, the rotating shaft penetrates through the first through hole and the second through hole, and two ends of the rotating shaft can be limited through nuts. When the buckle is disassembled, the nut is screwed down, and the rotary shaft is pulled out, so that the buckle 1 is separated from the barrel cover 30.

The hasp 1 and the barrel cover 30 can be connected by arranging supporting shafts 15 on two sides of the connecting part 11, arranging mounting holes on the barrel cover 30, and arranging the supporting shafts 15 in the mounting holes in a rotating way, so that the number of parts is reduced, and the assembly time is shortened. The supporting shaft 15 and the connecting part 11 are integrally formed, so that the processing and the production are convenient.

The hasp 1 is made of plastic material. When the buckle 1 is assembled and disassembled, external force is applied to the buckle 1, so that the buckle 1 is elastically deformed, and the support shaft 15 can be inserted into or separated from the mounting hole.

The end of the fastening portion 12 forms a hook body that can be engaged with the step 201. The hook body is arranged, so that the fastening part 12 is matched with the step 201 more firmly, and the blowing machine 20 and the barrel cover 30 are locked firmly.

In this embodiment, the elastic portion 2 is disposed at the bottom side of the acting portion 13, a positioning cavity is disposed on the acting portion 13 opposite to the elastic portion 2, one end of the elastic portion 2 is inserted into the positioning cavity, and the other end is sleeved on a positioning column on the barrel cover 30. The positioning cavity is matched with the positioning column to position the elastic part 2, so that the elastic part 2 is prevented from shifting in the deformation process. After the hasp 1 is detached, the elastic part 2 is also detachable, so that the elastic part 2 is convenient to replace.

Referring to fig. 2, 4, 6 and 8 to 10, as an alternative embodiment, the buckle 1 includes an extension portion 14, the extension portion 14 is connected with the fastening portion 12 and extends in an arc shape in a direction away from the fastening portion 12, a limiting handle 301 is disposed on the barrel cover 30, and the extension portion 14 and the limiting handle 301 enclose a receiving space. The accommodation space can hold hose 101, and extension 14 cooperates with spacing handle 301, can clamp hose 101, and then spacing to hose 101. It can be seen that the buckle 1 not only can lock the blower 20, but also can limit the hose 101, thereby reducing the production cost.

The connecting part 11, the fastening part 12, the acting part 13 and the extending part 14 are integrally formed, so that the structural strength is ensured, and the processing and the production are convenient. The connecting portion 11, the fastening portion 12, the acting portion 13, and the extending portion 14 may extend in a long shape, or may have other shapes.

At this time, the elastic portion 2 is disposed outside the acting portion 13, the buckle 1 further includes a limiting protrusion 16 connected to the acting portion 13, the limiting protrusion 16 is located on the upper side of the elastic portion 2, and the limiting protrusion 16 can prevent the elastic portion 2 from flying out from the upper end. The limiting boss 16 and the acting part 13 are integrally formed, so that the structural strength is ensured, and the processing and the production are facilitated.

The barrel cover 30 is provided with a flange, one end of the elastic part 2 is sleeved with a positioning column on the hasp 1, and the other end is abutted against the flange. The limit projection 16 is located above the flange to prevent the elastic portion 2 from being deviated.

In actual use, two buckles 1 may be disposed on the barrel cover 30, and the two buckles 1 are disposed around the barrel cover 30 at intervals in the circumferential direction, so as to lock the blower 20 and the barrel cover 30. At least one buckle 1 has an extension 14, i.e. can be fixed to the hose 101.

In the present embodiment, the elastic portion 2 is a spring. Of course, the elastic portion 2 may be a rubber pad or other elastic member, which is not limited herein.

Example two

Fig. 11 to 14 show a second embodiment, in which the same or corresponding parts as those of the first embodiment are denoted by the same reference numerals as those of the first embodiment. For simplicity, only the points of distinction between the second embodiment and the first embodiment will be described. The difference is that the elastic part 2 and the action part 13 are integrally formed, and the barrel cover 30 is provided with a limiting part which is abutted with the elastic part 2. Namely, the elastic part 2 is used as a part of the hasp 1, is integrally formed with the connecting part 11, the fastening part 12 and the acting part 13, reduces the number of parts and is convenient for processing and production.

A stopper 302 is provided on the tub cover 30 at the inner side of the buckle 1, and when the blower 20 is not installed, the buckle 1 abuts against the stopper 302 to prevent the buckle 1 from rotating toward the inner side of the tub cover 30, so that the buckle 1 does not occupy the installation space of the blower 20.

The above embodiments merely illustrate the basic principle and features of the present invention, and the present invention is not limited to the above embodiments, but may be varied and altered without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A connection mechanism for a vacuum cleaner for detachably connecting a blower (20) to a tub cover (30), the connection mechanism comprising:

the hasp (1), the hasp (1) is rotatably connected with the barrel cover (30), the blowing machine (20) is provided with a step (201), and the hasp (1) can be clamped with the step (201);

-an elastic portion (2), said elastic portion (2) acting on said clasp (1) to bring said clasp (1) into abutment against said step (201);

The quantity of hasp (1) is two, and two hasp (1) are around the circumference interval setting of bung (30), wherein, at least one be formed with extension (14) on hasp (1), extension (14) are by the operation end extension formation of hasp (1), be provided with spacing handle (301) on bung (30), extension (14) with spacing handle (301) enclose and establish into the accommodation space, in order to hold hose (101) of dust catcher.

2. A connection mechanism of a vacuum cleaner according to claim 1, characterized in that the clasp (1) comprises:

a connecting part (11) which is rotationally connected with the barrel cover (30);

a fastening part (12) connected with the connecting part (11), wherein the fastening part (12) can be clamped with the step (201);

And an action part (13) connected with the connection part (11), wherein the elastic part (2) is arranged between the action part (13) and the barrel cover (30).

3. The connection mechanism of a vacuum cleaner according to claim 2, wherein supporting shafts (15) are provided on both sides of the connection portion (11), mounting holes are provided on the tub cover (30), and the supporting shafts (15) are rotatably provided in the mounting holes.

4. The connecting mechanism of the dust collector as set forth in claim 2, wherein the elastic part (2) and the acting part (13) are integrally formed, and the barrel cover (30) is provided with a limiting part abutting against the elastic part (2).

5. The connecting mechanism of a dust collector according to claim 2, wherein the elastic part (2) is arranged at the bottom side of the action part (13), a positioning cavity is arranged on the action part (13) opposite to the elastic part (2), one end of the elastic part (2) is inserted into the positioning cavity, and the other end is sleeved on a positioning column on the barrel cover (30).

6. A connection mechanism of a vacuum cleaner according to claim 2, characterized in that the extension (14) is connected to the fastening part (12) and extends arcuately in a direction away from the fastening part (12).

7. A connection mechanism of a vacuum cleaner according to claim 6, characterized in that the connection part (11), the fastening part (12), the action part (13) and the extension part (14) are integrally formed.

8. The connection mechanism of a vacuum cleaner according to claim 6, wherein the elastic portion (2) is provided outside the action portion (13), the buckle (1) further includes a limit projection (16) connected to the action portion (13), and the limit projection (16) is located on an upper side of the elastic portion (2).

9. The connection mechanism of a vacuum cleaner according to claim 1, wherein a stopper (302) is provided on the lid (30) on the inner side of the buckle (1), and the buckle (1) can abut against the stopper (302).

10. A vacuum cleaner comprising a connection mechanism for a vacuum cleaner as claimed in any one of claims 1 to 9.