CN214362316U

CN214362316U - Detergent feeding device and washing machine

Info

Publication number: CN214362316U
Application number: CN202022310167.1U
Authority: CN
Inventors: 黄海鹏
Original assignee: Luoyang Fancheng Internet Technology Co ltd
Current assignee: Luoyang Fancheng Internet Technology Co ltd
Priority date: 2019-12-03
Filing date: 2020-10-16
Publication date: 2021-10-08
Anticipated expiration: 2030-10-16
Also published as: CN112900006A

Abstract

The utility model provides a detergent is put in device and washing machine, hold the chamber including putting in put in the intracavity and be provided with first cavity, put in liquid in the first cavity, first cavity passes through pipette UNICOM with the constant volume chamber, decide to hold the chamber and pass through two venturi structures and water intaking valve connection, the negative pressure pipe and the constant volume chamber UNICOM of two venturi structures set up check valve and/or ball-cock assembly in two negative pressure pipes, pipette, through changing two venturi's the state of intaking for put in liquid and flow or the putting in liquid of constant volume intracavity to putting in the chamber and put in. The utility model discloses a set up two venturi structures, form two venturi negative pressure and singly throw automatic subassembly of puting in, accomplish the absorption of puting in liquid and put in through the form of two negative pressures, rational in infrastructure, control is accurate, has simplified the automatic control structure of puting in of detergent greatly, reduction in production cost.

Description

Detergent feeding device and washing machine

Technical Field

The utility model relates to the technical field of household appliances, in particular to detergent dispensing device and washing machine.

Background

At present, washing machines with automatic putting functions are released by various washing machine manufacturers, intelligent addition of detergent can be achieved by the washing machines, manual addition of the detergent by users is avoided, and the washing machines are more convenient and good in use feeling. With the development of technology and the increasing perfection of functions of washing machines, the demand of users on the technology of automatically putting detergent into the washing machine is higher and higher. In the related art, the detergent putting device generally adopts a piston pump, a centrifugal pump, a peristaltic pump, an electromagnetic valve and the like, and the detergent is directly put into the water tank, but the detergent put in the mode is poor in water flow mixing effect, so that the washing performance is affected, and the clothes are damaged due to the direct contact of the detergent and the clothes. In addition, the detergent feeding device is complex in structure and high in cost.

The device for putting in the washing and protecting agent generally comprises a washing and protecting agent storage box, a water inlet box and a putting device, wherein the washing and protecting agent stored in the washing and protecting agent storage box is put into the water inlet box through the putting device and flows into a washing barrel to wash and protect user clothes. The device is relatively complex, high in cost, complex in assembly and high in requirements on the precision of manufacturing processes and parts.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a detergent is put in device and washing machine now forms the automatic subassembly of putting in of two venturi structures negative pressure through setting up two venturi structures, simplifies and puts in the structure, reduces the cooperation of spare part, improves part reliability and stability.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a device is put in to detergent, includes and puts in the appearance chamber put in the intracavity and is provided with first cavity, put in liquid in the first cavity, first cavity passes through pipette UNICOM with the constant volume chamber, decide to hold the chamber and pass through two venturi structures and water intaking valve connection, the negative pressure pipe and the constant volume chamber UNICOM of two venturi structures set up check valve and/or ball-cock assembly in two negative pressure pipes, pipette, through the state of intaking that changes two venturi for put in liquid and flow or the intracavity of constant volume to putting in the liquid and hold the chamber and put in.

The utility model discloses a set up two venturi structures, form the automatic subassembly of puting in of two venturi negative pressures, accomplish the absorption of puting in liquid and put in through the form of two negative pressures, rational in infrastructure, control is accurate, has simplified the automatic control structure of puting in of detergent greatly, reduction in production cost.

Further, two venturi structures are first venturi structure, second venturi structure respectively, first venturi structure through first negative pressure pipe with constant volume chamber UNICOM, second venturi structure through second negative pressure pipe with constant volume chamber UNICOM, first venturi structure through first intake pipe mouth and water intaking valve UNICOM, second venturi structure through second intake pipe mouth and water intaking valve UNICOM, the water intaking valve can intake water alone and/or simultaneously to second intake pipe mouth, first intake pipe mouth.

The arrangement just opens a mode that two venturi tube structures are connected with the constant volume cavity and the water inlet valve, and water enters the venturi tubes respectively or simultaneously by controlling the water inlet valve, so that liquid in the constant volume cavity is sucked or discharged.

Furthermore, a float valve is arranged in the first negative pressure pipe, a liquid suction one-way valve in the liquid suction pipe is provided with floating balls in the float valve and the liquid suction one-way valve, the density of the floating balls in the float valve is smaller than that of liquid thrown in the constant volume cavity, and the density of the floating balls of the liquid suction one-way valve is larger than that of the liquid thrown in the constant volume cavity.

This setting has guaranteed that two venturi negative pressure pipe extracts the reliability of puting in liquid when the constant volume intracavity forms the negative pressure to can realize the constant volume that the liquid was puted in the extraction through the relative setting of floater density and puting in liquid density, it is accurate reliable.

Furthermore, a liquid drainage one-way valve is arranged in the second negative pressure pipe, a floating ball is arranged in the liquid drainage one-way valve, and the density of the floating ball in the liquid drainage one-way valve is greater than that of liquid thrown in the constant volume cavity.

This setting makes when second negative pressure pipe does not produce the negative pressure, and the flowing back check valve can seal second negative pressure pipe, has further guaranteed the extraction of constant volume chamber and has put in the accuracy nature of liquid.

Furthermore, a second cavity is arranged in the throwing accommodating cavity, and a water leakage port is arranged at the bottom of the second cavity.

This setting makes detergent input device can enough put in washing liquid automatically, can put in washing powder again, satisfy the multi-functional needs that the detergent put in the device.

Furthermore, the first venturi tube structure is further communicated with an overflow box, water flows to the overflow box through the first water outlet after entering from the first water inlet pipe, an overflow pipe is arranged on the overflow box, the overflow pipe is arranged at a position, close to the upper part, of the overflow box, and redundant water in the overflow box flows to the washing barrel or the second chamber or the putting cavity.

Further, a water inlet of the overflow pipe on the overflow box is not higher than a first water outlet of the overflow box, or the height of the first water outlet on the overflow box is higher than the liquid level of the liquid in the constant volume cavity.

This setting has further guaranteed that the overflow box can the water storage at first venturi structure during operation, and the constant volume chamber is drained to the constant volume chamber when putting in liquid in the constant volume chamber, guarantees overflow box water storage and erodees the reliability in constant volume chamber.

Furthermore, a second water outlet of the second Venturi tube structure is communicated with the throwing cavity through a long drainage pipe.

This setting makes the effect that the washing liquid that drops into the constant volume chamber in the throwing liquid or the excessive water box of constant volume intracavity passes through second venturi structure, long drain pipe, even when stopping intaking, long drain pipe also can produce the siphon effect, and then the evacuation of constant volume chamber.

The washing machine is characterized by further comprising a drawer box base and a drawer box cover plate, a throwing cavity is formed between the drawer box base and the drawer box cover plate, a detergent cover plate and a top cover plate are sequentially arranged above the drawer box cover plate, and the fixed cavity is formed between the top cover plate and the detergent cover plate.

The arrangement discloses a specific structure capable of realizing the double-venturi negative pressure automatic putting washing device, which is compact in structure, strong in applicability and applicable to most of the existing washing machine structures.

Compared with the prior art, detergent input device and washing machine have following advantage: through setting up two venturi structures, form the automatic subassembly of puting in of two venturi negative pressures, accomplish the absorption of puting in liquid and put in through the form of two negative pressures, simplify and put in the structure, reduce the spare part cooperation, improve part reliability and stability, reduction in production cost.

Another object of the present invention is to provide a washing machine, which comprises the detergent dispensing device as described above.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and 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 undue limitation. In the drawings:

fig. 1 is a schematic structural view of a detergent dispensing device according to an embodiment of the present invention;

FIG. 2 is a diagram illustrating a water inlet state of a first water inlet pipe of the detergent dispensing device according to the embodiment of the present invention;

FIG. 3 is a diagram illustrating a water inlet state of a second water inlet pipe of the detergent dispensing device according to the embodiment of the present invention;

FIG. 4 is a reference diagram of a first relative position setting when the overflow box of the detergent dispensing device of the embodiment of the present invention enters water into the constant volume chamber;

FIG. 5 is a reference diagram of a second relative position setting when the overflow box of the detergent dispensing device of the present invention enters water into the constant volume chamber;

FIG. 6 is a schematic side view of the detergent dispensing device according to the embodiment of the present invention;

FIG. 7 is a schematic structural view of the detergent dispensing device according to the embodiment of the present invention with the top cover removed;

FIG. 8 is a schematic top view of the structure of FIG. 7;

FIG. 9 is a schematic cross-sectional view of A-A in FIG. 8;

FIG. 10 is a schematic cross-sectional view of B-B in FIG. 8;

FIG. 11 is a side view of the drawer housing of FIG. 7 with the drawer base removed;

description of reference numerals:

1. a first venturi structure; 2. a first negative pressure tube; 3. a float valve; 4. a holding cavity is fixed; 5. a liquid suction one-way valve; 6. a pipette; 7. a liquid discharge check valve; 8. a second negative pressure tube; 9. a second water inlet pipe orifice; 10. a second venturi structure; 11. a second water outlet; 12. a long drainage pipe; 13. putting in a cavity; 14. a first chamber; 15. a main drain pipe port; 16. a second chamber; 17. a water leakage port; 18. an overflow box; 19. an overflow pipe; 20. a first water outlet; 21. a first water inlet pipe orifice; 22. a water inlet valve; 23. a top cover plate; 24. a housing; 25. a front plate; 26. a handle; 27. a detergent cover plate; 28. a drawer box cover plate; 29. drawer box base.

Detailed Description

In order to make the technical means and the objectives and functions of the present invention easy to understand, the embodiments of the present invention will be described in detail with reference to the specific drawings.

It should be noted that all terms used in the present invention for directional and positional indication, such as: the terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "top", "lower", "transverse", "longitudinal", "center", etc. are used only for explaining the relative positional relationship, connection conditions, etc. between the respective members in a certain specific state (as shown in the drawings), and are only for convenience of description of the present invention, and do not require that the present invention must be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention. In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Embodiment 1, as shown in fig. 1 ~ 5, the utility model discloses a detergent input device, hold chamber 13 including putting in put in and be provided with first cavity 14 in holding chamber 13, put in liquid in the storage of first cavity 14, first cavity 14 with decide and hold chamber 4 and pass through pipette 6 UNICOM, decide to hold chamber 4 and be connected with water intaking valve 22 through two venturi structures, two venturi structure's negative pressure pipe and constant volume chamber 4 UNICOM set up check valve and/or ball-cock assembly in two negative pressure pipes, pipette 6, through changing two venturi's the water intake state for put in liquid to constant volume chamber 4 flow or decide the input liquid that holds the intracavity 4 and put in to putting in and holding chamber 13.

As an example of the utility model, put in and hold chamber 13 and can hold the chamber for the drawer box, also can integrate the appearance chamber on washing machine, two venturi structures are first venturi structure 1, second venturi structure 10 respectively, first venturi structure 1 through first negative pressure pipe 2 with decide and hold chamber 4 UNICOM, second venturi structure 10 through second negative pressure pipe 8 with decide and hold chamber 4 UNICOM, first venturi structure 1 through first water inlet 21 and water intaking valve 22 UNICOM, second venturi structure 10 through second water inlet 9 and water intaking valve 22 UNICOM, water intaking valve 22 can intake to second water inlet 9, first water inlet 21 alone and/or simultaneously.

The working principle of the structure is as follows:

the first water inlet pipe orifice 21 is used for water inflow and enters the first venturi tube structure 1, the first negative pressure pipe 2 generates negative pressure, the ball float valve 3 in the first negative pressure pipe 2 is opened, the liquid drainage one-way valve 7 in the second negative pressure pipe 8 is closed, the liquid suction one-way valve 5 in the liquid suction pipe 6 is opened, liquid is sucked and put in from the first cavity 14, and the liquid enters the constant volume cavity 4. When the throwing liquid is filled in the constant volume cavity 4, or the constant volume cavity 4 absorbs a certain amount of the throwing liquid, the floating ball valve in the liquid suction pipe 6 is closed. At this time, the first water inlet pipe orifice 21 continues to feed water, only water is fed, and the fed liquid does not enter the constant volume chamber 4 any more.

Close the intaking of first water inlet pipe orifice 21, open second water inlet pipe orifice 9 and intake, second venturi structure 10 begins work, and flowing back check valve 7 in the second negative pressure pipe 8 is opened, and imbibition check valve 5 in the imbibition pipe 6 closes, decide the input liquid that holds in the chamber 4 and inhaled second venturi structure 10, then intake along with second water inlet pipe orifice 9, input liquid enters into and puts in the chamber 13.

Preferably, as a preferred example of the present invention, the density of the floating ball in the floating ball valve 3 is less than the density of the liquid put in the fixed cavity 4, and the density of the floating ball of the liquid absorption check valve 5 is greater than the density of the liquid put in the fixed cavity 4. This setting has guaranteed that two venturi negative pressure pipe extracts the reliability of puting in liquid when the constant volume intracavity forms the negative pressure to can realize the constant volume that the liquid was puted in the extraction through the relative setting of floater density and puting in liquid density, it is accurate reliable.

When the suction type floating ball valve works, water enters the first water inlet pipe orifice 21 and enters the first Venturi tube structure 1, the first negative pressure pipe 2 generates negative pressure, the negative pressure is also generated in the constant volume cavity 4 communicated with the first negative pressure pipe, the floating ball of the liquid suction one-way valve 5 is loosened, the liquid suction one-way valve 5 is in an open state, the liquid suction pipe 6 sucks the thrown liquid in the first cavity 14 into the constant volume cavity 4 through the liquid suction one-way valve 5, the thrown liquid can float the floating ball in the floating ball valve 3 along with the suction of the thrown liquid in the constant volume cavity 4, and when the volume in the constant volume cavity 4 reaches the preset constant volume, for example, after a period of time T, the time T is within a preset time range, such as 3 s-20 s, and the floating ball valve 3 is closed by the floating ball in the floating ball valve 3 according to requirements.

Then, the first water inlet pipe orifice 21 is closed, the second water inlet pipe orifice 9 starts to feed water, the second negative pressure pipe 8 in the second venturi tube structure 10 generates negative pressure, at the moment, a floating ball in the liquid drainage one-way valve 7 can be loosened to a certain degree, and the detergent in the constant volume cavity 4 flows to the throwing cavity 13 through the liquid drainage one-way valve 7.

Preferably, the density of the floating ball in the liquid discharge one-way valve 7 is greater than that of the liquid put in the constant volume cavity. This setting makes when second negative pressure pipe does not produce the negative pressure, and the flowing back check valve can seal second negative pressure pipe, has further guaranteed the extraction of constant volume chamber and has put in the accuracy nature of liquid.

Preferably, as a preferred example of the present invention, a second chamber 16 is disposed in the putting cavity 13, the second chamber 16 is used for putting washing powder, and a water leakage port 17 is disposed at the bottom of the second chamber 16.

Preferably, as a preferred example of the present invention, the first venturi structure 1 is further communicated with a overflow box 18, and after the first water inlet 21 is filled with water, the water flows to the overflow box 18 through a first water outlet 20, and an overflow pipe 19 is disposed on the overflow box 18, wherein the overflow pipe 19 is disposed at a position of the overflow box 18 close to the upper portion, so as to flow excess water in the overflow box 18 to the washing tub or the second chamber 16 or the input chamber 13.

When second venturi structure 10 during operation, because overflow pipe 19 is uncovered setting, when putting appearance intracavity 4 and producing the negative pressure surely, the pressure that will put in liquid in the overflow box 18 to putting appearance intracavity 4 needs surely is less than the pressure that will put in liquid through pipette 6 flow direction and put appearance intracavity 4 needs surely, so, when second venturi structure 10 during operation, second negative pressure pipe 8 produces the negative pressure, put in liquid and flow in from constant volume chamber 4 and put in appearance chamber 13, constant volume chamber 4 produces the negative pressure, first negative pressure pipe 2 is poured into from first delivery port 20 to water in the overflow box 18, and then the flow direction is put appearance chamber 4 surely and is washed and is put the appearance chamber surely.

Preferably, as a preferred example of the present invention, the second water outlet 11 of the second venturi structure 10 is communicated with the feeding chamber 13 through a long drain pipe 12.

This setting makes the effect that the washing liquid that drops into the constant volume chamber 4 in the throwing liquid or the excessive water box 18 of constant volume intracavity passes through second venturi structure 10, long drain pipe 12, even when stopping intaking, long drain pipe 12 also can produce the siphon effect, and then the evacuation of constant volume chamber 4.

Preferably, as a preferred example of the present invention, the water inlet of the overflow pipe 19 on the overflow box 18 is not higher than the first water outlet 20 of the overflow box 18, or the height of the first water outlet 20 on the overflow box 18 is higher than the liquid level of the liquid contained in the constant volume chamber 4.

This setting has further guaranteed that overflow box 18 can the water storage when first venturi structure 1 during operation, and to constant volume chamber 4 when the input liquid in constant volume chamber 4 is put in, guarantees that overflow box 18 water storage and erodees the reliability that holds chamber 4 surely.

Preferably, as a preferred example of the present invention, the bottom of the throwing-in cavity 13 is provided with a main drainage pipe port 15, so that the throwing-in liquid or water in the throwing-in cavity 13 flows to the washing tub.

Preferably, as a preferred example of the present invention, the washing liquid stored in the first chamber 14 is any one of liquid detergents such as detergent, softener, detergent, bleach, disinfectant, etc.

Embodiment 2, as shown in fig. 1-11, the utility model discloses a device is put in to detergent, including drawer base 29 and drawer box apron 28 drawer base 29 with form between the drawer box apron 28 and put in and hold chamber 13 the top of drawer box apron 28 has set gradually detergent apron 27, lamina tecti 23 with form between the detergent apron 27 decide to hold chamber 4, other structures are with embodiment 1.

Preferably, a front plate 25 is provided at the front end of the drawer base 29, and a handle 26 is provided on the front plate 25.

This setting is convenient for drawer box subassembly can be fast, convenient pull open or push as required when using.

Preferably, an outer casing 24 is disposed on the outer side of the drawer base 29, and the outer casing 24 is covered on the periphery of the drawer base 29 and is connected with the detergent cover 27 in a snap-fit manner.

The deformation of the drawer assembly caused by external force when in use is avoided, and the reliability of the drawer box assembly when in use is improved.

Preferably, the top cover 23 is detachably connected to the detergent cover 27 and/or the drawer cover 28 and/or the housing 24. As an example of the present invention, the top cover plate 23 and the detergent cover plate 27 are connected by screws.

Embodiment 3, the utility model also discloses a washing machine contains the detergent dispensing device as in embodiment 1 or embodiment 2.

The washing machine may dispense the dispensed liquid in the first chamber 14 a plurality of times as required by the control program.

Preferably, the detergent feeding device can be an independent external feeding device or a feeding device integrated on the washing machine, and the feeding device, a main water inlet valve and a water inlet box on the washing machine form a highly integrated feeding device.

Preferably, the detergent feeding device shares a main water inlet electromagnetic valve, namely a water inlet valve 22, of the washing machine, and the electromagnetic valve can have a corresponding number of control switching ports according to the type of fed liquid, so as to control feeding of different washing and care products.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a device is put in to detergent, its characterized in that holds chamber (13) including putting in put in and be provided with first cavity (14) in holding chamber (13), liquid is put in first cavity (14) internal storage, first cavity (14) with decide and hold chamber (4) and pass through pipette (6) UNICOM, decide to hold chamber (4) and be connected with water intaking valve (22) through two venturi structures, the negative pressure pipe of two venturi structures with decide and hold chamber (4) UNICOM, set up check valve and/or ball-cock assembly in two negative pressure pipes, pipette (6), through the water intake state that changes two venturi for put in liquid to holding chamber (4) flow or decide the liquid of putting in the chamber (4) and put in to holding chamber (13).

2. Device is put in to detergent according to claim 1, characterized in that, two venturi structures are first venturi structure (1), second venturi structure (10) respectively, first venturi structure (1) through first negative pressure pipe (2) with decide and hold chamber (4) UNICOM, second venturi structure (10) through second negative pressure pipe (8) with decide and hold chamber (4) UNICOM, first venturi structure (1) through first water inlet pipe mouth (21) and water intaking valve (22) UNICOM, second venturi structure (10) through second water inlet pipe mouth (9) and water intaking valve (22) UNICOM, water intaking valve (22) can intake water to second water inlet pipe mouth (9), first water inlet pipe mouth (21) alone and/or simultaneously.

3. The detergent dispensing device according to claim 2, wherein a float valve (3) is arranged in the first negative pressure pipe (2), a liquid suction one-way valve (5) is arranged in the liquid suction pipe (6), floating balls are arranged in the float valve (3) and the liquid suction one-way valve (5), the density of the floating balls in the float valve (3) is less than that of the liquid dispensed in the holding cavity (4), and the density of the floating balls in the liquid suction one-way valve (5) is greater than that of the liquid dispensed in the holding cavity (4).

4. The detergent dispensing device according to claim 2, wherein a liquid discharge check valve (7) is disposed in the second negative pressure pipe (8), a floating ball is disposed in the liquid discharge check valve (7), and the density of the floating ball in the liquid discharge check valve (7) is greater than the density of the liquid dispensed from the constant volume chamber.

5. Detergent dispensing device as claimed in claim 2, characterized in that a second chamber (16) is provided inside said dispensing volume (13), a drainage opening (17) being provided at the bottom of said second chamber (16).

6. The detergent dispensing device according to claim 5, wherein the first venturi tube structure (1) is further connected to a water overflow box (18), the water flows to the water overflow box (18) through a first water outlet (20) after entering through a first water inlet pipe (21), an overflow pipe (19) is disposed on the water overflow box (18), and the overflow pipe (19) is disposed at a position of the water overflow box (18) close to the upper portion, so as to flow excess water in the water overflow box (18) to the washing tub or the second chamber (16) or the dispensing cavity (13).

7. The detergent dispensing device according to claim 6, wherein the inlet of the overflow pipe (19) of the overflow box (18) is not higher than the first outlet (20) of the overflow box (18), or the height of the first outlet (20) of the overflow box (18) is higher than the liquid level of the liquid in the holding chamber (4).

8. Detergent dispensing device according to claim 2, characterized in that the second outlet (11) of said second venturi tube structure (10) is in communication with the dispensing volume (13) through a long drain (12).

9. The detergent dispensing device according to claim 1, comprising a drawer base (29) and a drawer cover (28), wherein a dispensing cavity (13) is formed between the drawer base (29) and the drawer cover (28), a detergent cover (27) and a top cover (23) are sequentially disposed above the drawer cover (28), and the fixed cavity (4) is formed between the top cover (23) and the detergent cover (27).

10. A washing machine comprising the detergent dispenser as claimed in any one of claims 1 to 9.