WO2018130090A1 - Detergent dispensing box and washing machine - Google Patents

Abstract

A detergent dispensing box, comprising a box body (1) having an accommodating space for accommodating a detergent liquid, a discharge hole (4) being provided at the bottom of the box body (1); a siphon (2), protruding upwards from the bottom of the box body (1), and being in communication with the accommodating space and an outer tub of a washing machine; a siphon cap (3), surrounding the siphon (2), forming a siphoning channel for the detergent liquid to flow from the accommodating space to the outside of the box body (1); the detergent dispensing box further comprises a switch part (5) controlling the open or close of the discharge hole, the switch part (5) being movably provided at the discharge hole (4), the open or close of the discharge hole (4) being performed by means of the cooperation of the discharge hole (4) and the switch part (5) and/or the vibration of the box body (1). The detergent dispensing box controls the open of the discharge hole (4) by means of the vibration of the washing machine, such that the remaining detergent liquid flows into the outer tub, effectively solving the problem of the existing detergent box that the detergent may be prone to remain therein.

Description

Detergent placing box and washing machine Technical field

The present invention relates to a laundry device, and more particularly to a detergent delivery box and a washing machine.

Background technique

The detergent box of the current washing machine, when the detergent or the softener is put on, especially the softener, often adopts a siphon structure in order to ensure that it is thoroughly mixed with water, so that the mixture with water enters the drum/bucket due to the existing The siphon structure of the detergent box does not completely drain the water, so when the user uses the drop box with the siphon structure, the detergent water is not completely discharged. The Chinese invention patent No. 201410545114.4 discloses a washing machine and a softener case thereof, wherein the softener case of the washing machine comprises: a box body, the bottom end of the box body is provided with a first liquid discharge port and a second liquid discharge port a cover located in the casing, the first inlet and the second inlet are disposed on both sides of the outer cover, the inlet area of the first inlet is smaller than the inlet area of the second inlet; the siphon pipe, one end of the siphon is connected with the second inlet, the siphon The other end protrudes from the second liquid discharge port; is located above the first liquid discharge port and has an elastic sealing film, the sealing film is connected to the outer cover, and the outer cover is over the sealing film; wherein, when the upper part of the sealing film is under pressure When not less than the lower pressure of the sealing film, the sealing film is sealedly connected to the first liquid discharge port; when the upper pressure of the sealing film is lower than the lower pressure of the sealing film, the sealing film is separated from the first liquid discharge port. The invention utilizes the pressure difference between the upper and lower sides of the sealing film to control the opening and closing of the first liquid discharge port. In the early stage of pouring the detergent liquid into the detergent box, the pressure difference between the upper and lower sides of the sealing film is small, which is easy to cause Leakage causes the detergent to flow into the washing tub prematurely, resulting in an increase in the amount of detergent, which is wasteful, and the structural strength of the sealing film is low and easily damaged.

The present invention has been made in view of this.

Summary of the invention

It is an object of the present invention to overcome the deficiencies of the prior art and to provide a detergent delivery box having a low residual amount.

Another object of the present invention is to provide a washing machine in which the above-described drop box is mounted.

In order to achieve the first object of the invention, the present invention adopts the following technical solutions:

a detergent delivery box, including

a casing having an accommodating space for accommodating a detergent liquid, and a bottom of the casing is further provided with a discharge hole;

a siphon tube protruding upward from the bottom of the box body and connecting the receiving space with the outer tub of the washing machine;

a siphon cap enclosing the siphon tube to form a siphon channel for the detergent liquid to flow from the accommodating space to the outside of the casing;

Also included is a switch member that controls the opening and closing of the discharge hole, the switch member being movably disposed at the discharge hole, and utilizing the cooperation of the discharge hole with the switch member and/or the vibration of the casing to open or close the discharge hole.

Further, the switch member is movably disposed above the discharge hole and is in sealing contact with the discharge hole under the action of gravity to block the detergent or the softener from flowing out of the case through the discharge hole.

Further, the bottom of the box body is further provided with a limiting structure for limiting the range of motion of the switch component, and the switch component is movably disposed inside the limiting structure, and a certain interval is left between the switch component and the limiting structure. Clearance.

Further, the limit structure includes

a limiting protrusion, the limiting protrusion is upwardly protruded from a bottom of the box body, and a cavity for accommodating the switch component is formed at a center of the limiting protrusion;

a limit cap that is disposed at the top of the limit protrusion and cooperates with the limit protrusion to limit the upward movement range of the switch component;

The cavity of the limiting protrusion is in communication with the receiving space of the casing and the discharge hole.

Further, the limiting protrusion is cylindrical, the cavity is a circular hole, the bottom of the cavity is in communication with the discharge hole, and the side of the cavity is provided with an opening communicating with the receiving space of the box body, the limit The position cap is snapped or screwed to the limit projection.

Further, the switch member is a ball, the top of the discharge hole is chamfered or rounded, the ball is located at the top of the discharge hole, and the bottom thereof is in sealing contact with the discharge hole.

Further, the sphere is a solid structure and the density of the sphere is greater than the density of the detergent.

Further, the discharge holes are one or more, and the number of the limit switches is the same as the number of the discharge holes.

Further, the bottom of the box body is inclined; the siphon tube and the discharge hole are arranged side by side at the lowest position of the box body, or the position of the discharge hole is lower than the siphon tube setting.

In order to achieve the second object of the invention, the present invention adopts the following technical solutions:

A washing machine equipped with the above-described drop box.

After adopting the technical solution described in the present invention, the following beneficial effects are brought about:

The invention utilizes the vibration of the washing machine to control the opening of the discharge hole, so that the residual washing liquid flows into the outer tub, which is not only simple in principle, but also has good durability, since the washing machine always has vibration during the washing process, the present invention The discharge hole will be in an open state during the washing process, which can effectively solve the problem that the existing detergent box easily leaves the washing liquid.

DRAWINGS

Figure 1 is a longitudinal sectional view of a detergent delivery box according to a first embodiment of the present invention;

Figure 2 is a partial enlarged view of Y of Figure 1;

Figure 3 is a front view of the second embodiment of the present invention;

Figure 4 is a longitudinal sectional view of the detergent delivery box of the second embodiment of the present invention;

Figure 5 is a cross-sectional view taken along line A-A of Figure 3;

Figure 6 is a partial enlarged view of K of Figure 5;

Among them: 1, box body 2, siphon tube 3, siphon cap 4, discharge hole 5, switch components 6, limit protrusion 7, limit cap.

detailed description

The specific embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

Embodiment 1

As shown in FIG. 1 and FIG. 2, a detergent dispensing box includes: a case 1 mounted on a washing machine case, a siphon tube 2 and a siphon cap 3 disposed in the case body 1, the case body 1 having a housing a receiving space of the detergent liquid and a discharge hole 4 penetrating through the bottom of the casing 1, the siphon tube 2 protruding upward from the bottom of the casing 1, and communicating the accommodation space with the outer tub of the washing machine, the siphon cap 3 being disposed at the upper end of the siphon tube 2 And surrounding the siphon 2, forming a siphon passage for the detergent liquid to flow from the accommodating space to the outside of the casing 1. The drop box further includes a switch member 5 that controls the opening and closing of the discharge hole 4, the switch member 5 being movably disposed at the discharge hole 4, and utilizing the engagement of the discharge hole 4 with the switch member 5 and/or the case The vibration of 1 opens or closes the discharge hole 4.

Preferably, the diameter of the discharge hole 4 is smaller than the inner diameter of the siphon tube 2, and the discharge hole 4 is in a closed state when the detergent is added. The siphon tube 2 has a certain height to define the amount of detergent that can be contained in the casing 1. When the height of the detergent exceeds the siphon 2, a siphon phenomenon will occur, and the inside of the casing 1 under the action of siphoning The washing liquid will be discharged into the outer tub of the washing machine. Since the siphon cap 3 has a certain gap with the bottom of the box body 1, when the liquid level of the detergent is lower than the lowest end of the siphon cap 3, the siphon action will automatically stop. Some of the detergent remains in the casing 1. When the washing machine is in operation, the casing 1 is vibrated. Under the action of vibration, the switch member 5 will move relative to the discharge hole 4, so that the discharge hole 4 is opened, and the washing liquid remaining in the casing 1 is discharged through the discharge hole 4. Into the outer tub of the washing machine.

The switch member 5 is movably disposed above the discharge hole 4 and is in sealing contact with the discharge hole 4 under the action of gravity to block the detergent or the softener from flowing out of the case through the discharge hole, when the switch member 5 is relatively discharged When the hole 4 is moved, a gap is created between the switch member 5 and the discharge hole 4, which allows the discharge hole 4 to communicate with the housing 1 housing space, and the detergent can flow out of the discharge hole 4.

Preferably, the bottom of the casing 1 is further provided with a limiting structure for limiting the range of motion of the switch member 5 to define the switch member 5 in a small area so that it can only move in this area and The switch member 5 is protected from loss. The switch component 5 is movably disposed inside the limiting structure, and a certain gap is left between the switch component 5 and the limiting structure, and the switch component 5 is freely movable within the limiting structure.

Specifically, the limit structure includes

a limiting protrusion 6 protruding upward from the bottom of the casing 1 and forming a cavity for accommodating the switch member 5 at the center of the limiting protrusion 6;

It is disposed at the top of the limiting protrusion 6 and cooperates with the limiting protrusion 6 to limit the limiting cap 7 of the range in which the switching member 5 moves upward.

The cavity of the limiting protrusion 6 communicates with the accommodating space of the casing 1 and the discharge hole 4.

Preferably, the limiting protrusion 6 is a circular columnar body extending upward from the bottom of the casing 1. The cavity is a circular hole disposed at the center of the circular columnar body, and the bottom of the cavity is connected with the discharge hole 4. The side of the cavity is provided with an opening communicating with the receiving space of the casing 1 , and the limiting cap 7 is engaged or screwed with the limiting protrusion 6 . Specifically, the bottom center of the limiting cap 7 is downward. The protrusion forms a cylindrical protrusion, and the cylindrical protrusion is inserted into the cavity, and the two are screw-fit or interference fit, or the edge of the limiting cap 7 is convex downward to form an annular flange. An annular flange surrounds the top end of the limiting projection 6, both of which are threaded or interference fit. After the limit cap 7 is detached from the limit projection 6, the switch member 5 can be taken out for replacement or maintenance.

The limiting structure may also be composed of a plurality of ribs or rod-like structures distributed in a circular array, the switch member 5 is surrounded by a rib or a rod-like structure, and the limiting cap 7 is mounted on the top of the rib or the rod-shaped structure. Forming a cage structure, the switch member 5 is mounted inside the cage structure such that its range of motion is limited.

Preferably, the switch member 5 is a ball, the discharge hole 4 is a circular through hole, and the top of the discharge hole 4 is chamfered or rounded, and the diameter of the ball is larger than the inner diameter of the discharge hole 4, The sphere is located at the top of the discharge hole 4, and under the action of gravity, the bottom thereof is in sealing contact with the discharge hole 4.

Since the ball can roll in the limiting structure, when the casing 1 vibrates, the ball will roll, so that a gap is formed between the bottom of the ball and the discharge hole 4, which constitutes the accommodation space of the communicating box 1 and the washing machine. The passage of the outer tub, through which the detergent remaining in the casing 1 will flow into the outer tub of the washing machine.

The sphere is a solid structure and the density of the sphere is greater than the density of the detergent so that the sphere does not float in the detergent.

The discharge holes 4 may be one or plural, and the number of the limit switches is the same as the number of the discharge holes 4. The drainage speed of the two or more discharge holes 4 may be faster, but there may be a possibility that the detergent/softener leaks, and preferably, the discharge holes 4 are one.

Embodiment 2

In this embodiment, the bottom of the box body 1 is inclined; the siphon tube 2 and the discharge hole 4 are arranged side by side at the lowest position of the box body 1, or the position of the discharge hole 4 is lower than that of the siphon tube 2. By tilting the bottom of the casing 1, the problem of retention of the detergent can be minimized. Preferably, the backflow caused by the siphon can be reduced by reducing the gap between the siphon 2 and the siphon cap 3. In addition, it is also possible to reduce the amount of water remaining by reducing the distance between the bottom of the siphon cap 3 and the bottom of the detergent box.

A washing machine equipped with the drop box described in any of the above embodiments, the detergent drop box being detachably mounted on the washing machine for holding a certain amount of detergent.

The above is an embodiment of the present invention, and it should be noted that various modifications and improvements can be made by those skilled in the art without departing from the principles of the present invention. protected range.

Claims (10)

a detergent delivery box, including a casing having an accommodating space for accommodating a detergent liquid, and a bottom of the casing is further provided with a discharge hole; a siphon tube protruding upward from the bottom of the box body and connecting the receiving space with the outer tub of the washing machine; a siphon cap enclosing the siphon tube to form a siphon channel for the detergent liquid to flow from the accommodating space to the outside of the casing; The method further includes: a switch member that controls the opening and closing of the discharge hole, the switch member is movably disposed at the discharge hole, and utilizes a cooperation of the discharge hole with the switch member and/or vibration of the casing to open or The discharge hole is closed. A detergent drop box according to claim 1, wherein said switch member is movably disposed above the discharge hole and is in sealing contact with the discharge hole under the action of gravity to block the detergent or The softener flows out of the casing through the discharge hole. A detergent drop box according to claim 1, wherein the bottom of the box body is further provided with a limit structure for limiting the range of movement of the switch member, and the switch member is movably disposed at the limit position. The inside of the structure, and there is a certain gap between the switch component and the limit structure. A detergent dispensing box according to claim 3, wherein said limit structure comprises a limiting protrusion, the limiting protrusion is upwardly protruded from a bottom of the box body, and a cavity for accommodating the switch component is formed at a center of the limiting protrusion; a limit cap that is disposed at the top of the limit protrusion and cooperates with the limit protrusion to limit the upward movement range of the switch component; The cavity of the limiting protrusion is in communication with the receiving space of the casing and the discharge hole. The detergent drop box according to claim 4, wherein the limiting protrusion is cylindrical, the cavity is a circular hole, and the bottom of the cavity is connected with the discharge hole, and the cavity is The side portion is provided with an opening communicating with the receiving space of the box body, and the limiting cap is engaged or screwed with the limiting protrusion. A detergent drop box according to any one of claims 1 to 5, wherein the switch member is a ball, the top of the discharge hole is chamfered or rounded, and the ball is located The top of the discharge hole is at the bottom and the bottom is in sealing contact with the discharge hole. A detergent drop box according to claim 6, wherein said sphere is of a solid structure and the density of the sphere is greater than the density of the detergent. A detergent drop box according to claim 1, wherein the discharge holes are one or more, and the number of the limit switches is the same as the number of discharge holes. A detergent drop box according to claim 1, wherein the bottom of the box body is inclined; the siphon tube and the discharge hole are arranged side by side at a lowest position of the box body, or the discharge hole is located lower than the siphon tube. Settings. A washing machine equipped with a drop box according to any one of claims 1-9.

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