CN109706680B

CN109706680B - Drum washing machine

Info

Publication number: CN109706680B
Application number: CN201711058135.3A
Authority: CN
Inventors: 吴军; 潘继辉
Original assignee: Haier Smart Home Co Ltd; Chongqing Haier Front Loading Washing Machine Co Ltd
Current assignee: Haier Smart Home Co Ltd; Chongqing Haier Front Loading Washing Machine Co Ltd
Priority date: 2017-10-25
Filing date: 2017-10-25
Publication date: 2022-06-07
Anticipated expiration: 2037-10-25
Also published as: CN109706680A

Abstract

The invention belongs to the field of washing machines, and particularly relates to a drum washing machine which comprises a water storage tank and an outer cylinder, wherein a detergent box is arranged in the water storage tank, a water outlet end is arranged on the water storage tank, the water outlet end is communicated with the outer cylinder through a communication pipeline, and a control part for controlling the opening/closing of the water outlet end is arranged on the water outlet end. The invention has the beneficial effects that: the control component is arranged at the water outlet end of the water storage tank, and the control component is used for controlling the opening/closing of the water outlet end, so that excessive substances such as foam or gas and the like in the outer barrel are prevented from overflowing to the water storage tank through the water outlet end to corrode the washing machine when washing, and even overflow to the water storage tank to damage electrical elements in the washing machine.

Description

Drum washing machine

Technical Field

The invention belongs to the field of washing machines, and particularly relates to a drum washing machine.

Background

Along with the improvement of the quality of life of people, the hygiene consciousness is gradually improved, and the requirements for washing and caring the household clothes are naturally improved. Therefore, the main stream is a clean drum washing machine that tends to wash when selecting a washing machine. During the washing process, if the clothes are loaded too much, the user often puts in more detergent. When the detergent is excessively put in, a large amount of foam is generated in the washing process, and because the water outlet end of the water storage tank is in a conduction type, the foam is easy to overflow into the water storage tank from the water outlet end, so that the shell is corroded, even the foam overflows into the body of the washing machine, and safety accidents are possible to occur when the foam flows onto electric devices.

In the prior art, the use amount of the detergent is controlled by an automatic feeding device, so that the occurrence of the problem is avoided, but the problem cannot be fundamentally solved.

Patent 201120192039.X a drum type washing machine water injection device, including the water storage tank of connecting the water injection pipeline, there is the distributor of pull in the water storage tank, the water storage tank upper cover is equipped with the inlet opening and is connected with the pipe that intakes, and the terminal surface is equipped with the apopore down, and the apopore is connected with hose and urceolus in proper order, still is equipped with outside turn-ups's vent on the water storage tank lateral wall, and turn-ups tilt-up angle is 5 degrees-15 degrees, and the vent is located water storage tank lateral wall back upper place, with delivery port dislocation arrangement. The invention also relates to a drum washing machine using the water injection device, which has the advantages of simple structure, low cost and easy realization, effectively solves the quality problem caused by the overflow of the foam from the water storage tank when a user selects to use the high-foam detergent, meets the user demand, but cannot thoroughly solve the problem of the overflow of the foam from the water outlet end.

The present invention has been made in view of this situation.

Disclosure of Invention

The technical problem to be solved by the present invention is to overcome the defects of the prior art, and to provide a drum washing machine, wherein a control component is arranged at the water outlet end of a water storage tank, and the control component is used to control the opening/closing of the water outlet end, so that when washing is performed, the foam in an outer cylinder enters the water storage tank through the water outlet end to corrode the washing machine, and even overflows out of the water storage tank to damage electrical components in the washing machine.

In order to solve the technical problems, the invention adopts the technical scheme that:

a drum washing machine comprises a water storage tank and an outer drum, wherein a detergent box is arranged in the water storage tank, a water outlet end is arranged on the water storage tank, the water outlet end is communicated with the outer drum through a communication pipeline, and a control part for controlling the opening/closing of the water outlet end is arranged on the water outlet end.

The control part is a one-way conduction mechanism, when water is fed, the one-way conduction mechanism conducts water injection into the outer barrel, and after the water feeding is finished, the one-way conduction mechanism resets and closes the water outlet end of the water storage tank.

The control part comprises a plugging piece, the plugging piece is connected with the water outlet end and can open/close the water outlet end, and the plugging piece closes the water outlet end of the water storage tank through gravity reset or elastic reset.

The blocking piece is rotatably arranged on the water outlet end through a rotating piece, the blocking piece can rotate to open/close the water outlet end, the blocking piece is divided into a blocking part and a resetting part by the rotating piece, and the weight of the resetting part is greater than that of the blocking part;

when water enters, the plugging part of the plugging piece rotates around the rotating shaft to open the water outlet end under the action of water flow, and after the water enters, the plugging part of the plugging piece rotates around the rotating shaft to plug the water outlet end under the action of gravity of the resetting part to close the water outlet end.

The plugging piece comprises a plate-shaped plugging plate, the plugging plate is hinged with the water outlet end, the plugging plate is divided into two parts with different weights by the hinge shaft, the part with smaller weight is matched with the water outlet end to form a plugging part, and the part with larger weight forms a resetting part.

The plugging piece comprises a plate-shaped plugging plate and a balancing weight, the plugging plate is hinged with the water outlet end, the hinged shaft divides the plugging plate into two parts, one part is opposite to the water outlet end of the water storage tank to form a plugging part, and the balancing weight is arranged on the other part of the plugging plate and forms a resetting part together with the plugging plate.

The control part also comprises a limiting structure, and the limiting structure is arranged at the drainage end and used for preventing the control part from being opened excessively.

The pipe wall of the drainage end is inwards contracted to form a limiting part, and the plugging piece is rotationally connected with the outer wall of the limiting part through a rotating piece;

when water enters, the water flow pushes the plugging part of the plugging piece to rotate towards the direction far away from the water outlet end to open the water outlet end, and the resetting part of the plugging piece rotates reversely to abut against the limiting part.

The limiting part is an inclined side wall formed by bending the pipe wall of the water outlet end inwards locally, and the plugging piece is hinged with the outer wall of the inclined side wall;

when water enters, the resetting part of the plugging plate is abutted against the inclined side wall for limiting.

The rotating piece comprises a strip-shaped mounting plate, two ends of the mounting plate are bent towards the same side to form a mounting part, one side of the mounting plate, which is opposite to the mounting part, is fixedly connected with or integrally formed with the outer wall of the water outlet end, and the mounting part is rotatably connected with the plugging piece;

preferably, the mounting panel and spacing portion fixed mounting, the installation department is articulated with the shutoff piece.

After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:

1. the control component is arranged at the water outlet end of the water storage tank, and the control component is used for controlling the opening/closing of the water outlet end, so that when the washing machine is used, foam in the outer barrel enters the water storage tank through the water outlet end to corrode the washing machine, and even overflows out of the water storage tank to damage electrical components in the washing machine.

2. The control part is set to be a one-way conduction mechanism, the control part can be opened along the water inlet direction, and the control part is closed in the reverse direction, so that the phenomenon that the foam flowing in the reverse direction overflows under the condition that the water inlet is not influenced is realized.

3. The control part comprises a plugging piece, so that the water inlet end is opened when water is fed, and the control part can automatically reset under the action of gravity or elasticity after water feeding is finished, thereby reducing the use of electric appliance parts and saving the cost.

4. The plugging piece comprises a plugging part and a resetting part, automatic resetting is realized by utilizing the action of gravity, the structure is simple, the realization is easy, the cost is low, and the market competitiveness is strong.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

FIG. 1 is a schematic view of the structure of a water storage box of a washing machine according to the present invention;

FIG. 2 is a schematic view showing an opening structure of a control part of the water storing container according to the present invention;

FIG. 3 is an enlarged partial view of FIG. 2 according to the present invention

FIG. 4 is a schematic view showing a closing structure of a control part provided on the water storing cartridge of the present invention;

fig. 5 is an enlarged view of a portion of fig. 4 of the present invention.

In the figure: 100. the water storage device comprises a water storage tank 101, a water outlet end 102, a control component, a one-way conduction mechanism, a plugging piece 103, a plugging part 104, a resetting part 105, a plugging plate 106, a balancing weight 107, a limiting part 108, a mounting plate and a rotating piece.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

Example one

As shown in fig. 1 to 5, a drum washing machine includes a water storage tank 100 and an outer drum, a detergent box is disposed in the water storage tank 100, a water outlet 101 is disposed on the water storage tank 100, the water outlet 101 is communicated with the outer drum through a communication pipeline, and a control component 102 for controlling the opening/closing of the water outlet 101 is disposed on the water outlet 101.

The washing machine is intake, and the washing water gets into in the water storage tank 100, then gets into the communicating pipe way through the play water end 101 on the water storage tank 100, and then reaches in the urceolus, and during the washing, if the user is inaccurate to clothing estimation, the detergent of input is excessive, can produce a large amount of foams in the urceolus, and too much foam can get into water storage tank 100 through play water end 101, and even overflow inside and outside the washing machine, flow to the machine inside, one corrodes the casing, and two come to flow to probably take place the incident on the electrical part. By arranging the control component, the water outlet end 101 is blocked during washing, so that foam cannot overflow, and the occurrence of the above events is avoided.

The control component may be an electrical control component, however, the electrical control component is costly.

Furthermore, the control component is a one-way conduction mechanism 102, when water enters, the one-way conduction mechanism 102 conducts water injection into the outer cylinder, and after the water enters, the one-way conduction mechanism 102 resets and closes the water outlet end 101 of the water storage tank 100.

By arranging the control part as the one-way conduction mechanism 102, the water outlet end 101 is conducted when water enters, and the water outlet end 101 is closed by resetting after water enters, so that water entering is not influenced, foam cannot overflow back, and the problem that the foam overflows through the water outlet end 101 is well solved.

Further, the control part comprises a blocking piece 102, the blocking piece 102 is connected with the water outlet end 101 and can open/close the water outlet end 101, and the blocking piece 102 closes the water outlet end 101 of the water storage tank 100 through gravity reset or elastic reset.

By arranging the plugging piece 102 capable of opening/closing the water outlet end 101, when water enters, the plugging piece 102 is separated from the water outlet end 101, the water outlet end 101 is opened, water flow can flow into the outer barrel from the water outlet, and after the water enters, the plugging piece 102 is matched with the water outlet end 101 to close the water outlet end 101 through elastic reset or weight reset.

For example, the blocking piece 102 is made of an elastic material, when water enters, the pressure of the water flow enables the elastic blocking piece 102 to be elastically deformed, the washing water enters the communication pipeline and enters the outer barrel through the communication pipeline, and after the water enters, the elastic blocking piece 102 is elastically reset under the action of the elasticity of the elastic blocking piece 102, so that the water outlet end 101 is blocked, and the foam is prevented from overflowing.

Or a return spring is arranged between the plugging piece 102 and the water outlet end 101, and after water inlet is finished, the plugging piece 102 is returned through the return spring.

Alternatively, the blocking member 102 may be reset by gravity by providing a weight resetting structure.

Example two

As shown in fig. 1 to 5, this embodiment is a further limitation to the first embodiment, the blocking element 102 is rotatably mounted on the water outlet end 101 through a rotating element 108, the blocking element 102 is divided into a blocking part 103 and a restoring part 104 by the rotating element 108, and the weight of the restoring part 104 is greater than that of the blocking part 103;

when water enters, the plugging part 103 of the plugging piece 102 rotates around the rotating shaft under the action of water flow to open the water outlet end 101, and after the water enters, the plugging part 103 of the plugging piece 102 rotates around the rotating shaft under the action of gravity of the resetting part 104 to plug the water outlet end 101 and close the water outlet end.

The blocking piece 102 can rotate relative to the water outlet end 101, when water enters, the blocking part 103 rotates around the rotating shaft under the pressure of water flow and is separated from the water outlet end 101, and the resetting part 104 rises in gravity center under the action of the blocking part 103 and has certain weight potential energy; after water inflow is finished, because the weight of the resetting part 104 is large, the gravity center of the resetting part 104 descends under the action of the weight, the blocking part 103 is driven to move upwards around the rotating shaft and close with the water outlet end 101, and the water outlet end 101 is closed.

The weight of the resetting part 104 is larger than that of the blocking part 103, so that the blocking part 103 is reset under the action of the gravity of the resetting part 104, the use of other parts is reduced, the cost is saved, and the market competitiveness is stronger.

In one of the design concepts, as shown in fig. 2 to 3, the blocking piece 102 includes a plate-shaped blocking plate 105, the blocking plate 105 is hinged to the water outlet end 101, the hinge shaft divides the blocking plate 105 into two parts with different weights, the part with the smaller weight is matched with the water outlet end 101 to form a blocking part 103, and the part with the larger weight is formed into a resetting part 104.

By dividing the plugging plate 105 into two parts with different weights, the part with smaller weight is matched with the water outlet end 101, when water enters, the water flow pushes the part with smaller weight to rotate around the hinge shaft, the gravity center descends, meanwhile, the part with larger weight is driven to reversely rotate around the hinge shaft, the gravity center of the part with larger weight is lifted, after the water enters, the part with larger weight (the reset part 104) rotates around the hinge shaft under the action of gravity, and meanwhile, the part with smaller weight (the plugging part 103) is driven to reversely lift, so that the plugging part 103 plugs the water outlet end 101, and foam is prevented from overflowing.

In the first embodiment, if the blocking plate 105 is made of a uniform material and has a uniform thickness, the area of the resetting portion 104 is large, the area of the blocking portion 103 is small, and the area of the water outlet 101 is limited. The outlet end 101 needs to be larger so as not to obstruct the outlet of water.

In the second embodiment, the blocking plate 105 may be made of a non-uniform material, and if the material is heavy and the material is light, the heavy side is used as the restoring portion 104, and the light side is used as the blocking portion 103, so that the area of the blocking portion 103 can be increased appropriately, and the influence on the inflow water can be reduced.

In a third aspect, the blocking plate 105 may also have different thicknesses, such as one side with a thick thickness, a heavy weight, one side with a light weight and a light weight, the side with the heavy weight being used as the restoring portion 104, and the side with the light weight being used as the blocking portion 103.

In another design concept, as shown in fig. 3-4, the blocking member 102 includes a plate-shaped blocking plate 105 and a weight 106, the blocking plate 105 is hinged to the water outlet 101, the hinge shaft divides the blocking plate 105 into two parts, one part is opposite to the water outlet 101 of the water storage tank 100 to form a blocking portion 103, and the weight 106 is disposed on the other part of the blocking plate 105 and forms a restoring portion 104 together with the blocking plate 105.

Through setting up balancing weight 106, can the greatly increased weight that resets portion 104, even the area that is located the shutoff board 105 of portion 104 one side that resets is less, the area of shutoff portion 103 one side is great, also can be through addding balancing weight 106, with the weight increase of portion 104 one side that resets, it is more convenient to use, moreover through the weight that changes balancing weight 106 to adapt to the urceolus of equidimension not.

EXAMPLE III

As shown in fig. 1 to 5, in this embodiment, which is a further limitation to the first embodiment and the second embodiment, the control component further includes a limiting structure, and the limiting structure is disposed at the drainage end and is used for preventing the control component from being opened excessively.

Because the control unit opens the time, can produce the control unit and excessively open the problem that can't reset, through setting up limit structure, reduce its possibility of excessively opening, improve control unit's reliability.

If water enters, the reset part rotates anticlockwise and continues to rotate after rotating to the vertical direction because water flows through the emergency, and the reset part cannot automatically reset after water enters, so that the control component fails.

Further, the limiting structure comprises a limiting portion 107 formed by inward contraction of a pipe wall of the drainage end, the plugging piece 102 is rotatably connected with the outer wall of the limiting portion 107 through a rotating piece, and when water enters, the plugging piece 102 opens the water outlet end 101 and abuts against the limiting portion 107 for limiting.

Since the blocking element 102 is arranged at the water inlet end via the rotary element 108, the rotary element 108 and the blocking element 102 both occupy a certain space. In order to reduce the occupation of space, the pipe wall of the water outlet end 101 can be inwards contracted to leave the space for installing the rotating piece 108 and the plugging piece 102, and the structure of the contracted part is designed to ensure that the pipe wall has the limiting function and the function of containing the plugging piece, so that the plugging piece 102 is prevented from being excessively opened and cannot be reset.

In a first embodiment, the limiting portion 107 is a step platform formed by inward contraction of the pipe wall of the drainage end, the step platform includes a first lateral wall and a second lateral wall, the blocking member 102 is mounted on the second lateral wall, and the second lateral wall preferably inclines inward from bottom to top, so that the resetting portion 104 of the blocking member 102 cannot rotate to the vertical position.

Scheme two, spacing portion 107 is the slope lateral wall that the pipe wall part of water outlet end 101 inwards buckles to form, shutoff piece 102 is articulated with the outer wall of slope lateral wall, and during the time of intaking, rivers promote the shutoff portion 103 of shutoff piece 102 and rotate around the hinge, and water outlet end 101 is opened, and when shutoff portion 103 turned to the maximum position, the portion 104 that resets of shutoff piece 102 supported with the slope lateral wall, and under the support of slope lateral wall, can't support to vertical position moreover.

The inclined side wall also has a certain guiding function on the water flow, so that the possibility of damage to the water outlet end caused by sudden water flow is reduced.

Further, the rotating part comprises a strip-shaped mounting plate 108, two ends of the mounting plate 108 are bent towards the same side to form a mounting part, one side, opposite to the mounting part, of the mounting plate 108 is fixedly connected with the outer wall of the limiting part 107, and the mounting part is rotatably connected with the blocking part 102.

The mounting plate 108 and the outer wall of the water outlet 101 may be integrally formed, or may be detachably connected, such as by screw, or may be connected by bonding.

By arranging the mounting plate 108 and mounting the blocking piece 102 at the water outlet end 101, the functions can be realized without modifying the mold of the existing washing machine.

The installation part is hinged to the plugging plate, a hinge hole is formed in the installation plate 108, a hinge shaft is arranged on the plugging plate, the hinge shaft is inserted into the hinge hole, and the plugging plate is rotatably connected with the installation plate 108. Or the mounting plate is provided with a hinge shaft, the plugging plate is provided with a hinge hole, and the plugging plate is connected with the mounting plate 108 in a rotating manner.

The bottom of the water storage tank 100 is provided with a water outlet pipe, and the water outlet end 101 is the water outlet end of the water outlet pipe.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A drum washing machine is characterized by comprising a water storage tank and an outer drum, wherein a detergent box is arranged in the water storage tank, a water outlet end is arranged on the water storage tank, the water outlet end is communicated with the outer drum through a communication pipeline, and a control part for controlling the opening/closing of the water outlet end is arranged on the water outlet end;

the control component comprises a plugging piece, the plugging piece is rotatably arranged on the water outlet end through a rotating piece, the plugging piece can rotatably open/close the water outlet end, and the plugging piece is divided into a plugging part and a resetting part by the rotating piece;

the pipe wall of the water outlet end is inwards contracted to form a limiting part, and the plugging piece is rotationally connected with the outer wall of the limiting part through a rotating piece;

2. A drum washing machine as claimed in claim 1 wherein the control means is a one-way conduction mechanism, the one-way conduction mechanism conducts water injection into the outer drum when water is supplied, and the one-way conduction mechanism resets to close the water outlet end of the water storage tank after water supply is completed.

3. A drum washing machine according to claim 1, characterized in that the blocking piece closes the water outlet end of the water storage tank by gravity reset or elastic reset.

4. A drum washing machine according to claim 3, characterized in that the weight of the reset part is greater than the weight of the blocking part;

5. A drum washing machine according to claim 1, characterized in that the blocking piece comprises a plate-shaped blocking plate, the blocking plate is hinged with the water outlet end, the hinge shaft divides the blocking plate into two parts with different weights, the part with the smaller weight is matched with the water outlet end to form the blocking part, and the part with the larger weight is formed into the resetting part.

6. A drum washing machine according to claim 1, characterized in that the blocking piece comprises a plate-shaped blocking plate hinged to the water outlet end and divided into two parts by a hinge shaft, one part forming a blocking part opposite to the water outlet end of the water storage tank, and a weight block disposed on the other part of the blocking plate and forming a restoring part together with the blocking plate.

7. A drum washing machine according to claim 1, characterized in that the limiting part is an inclined side wall formed by bending the pipe wall of the water outlet end inwards partially, and the blocking piece is hinged with the outer wall of the inclined side wall;

8. A drum washing machine according to claim 1, characterized in that the rotating member comprises an elongated mounting plate, both ends of the mounting plate are bent towards the same side to form a mounting portion, the side of the mounting plate opposite to the mounting portion and the outer wall of the water outlet end are fixedly connected or integrally formed, and the mounting portion is rotatably connected with the blocking member.

9. A drum washing machine according to claim 8, characterized in that the mounting plate is fixedly mounted with the limiting part, and the mounting part is hinged with the blocking piece.