CN211227751U - Detergent feeding mechanism for washing machine - Google Patents
Detergent feeding mechanism for washing machine Download PDFInfo
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- CN211227751U CN211227751U CN201921665270.9U CN201921665270U CN211227751U CN 211227751 U CN211227751 U CN 211227751U CN 201921665270 U CN201921665270 U CN 201921665270U CN 211227751 U CN211227751 U CN 211227751U
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Abstract
The utility model relates to a washing machine field especially relates to a detergent pan feeding mechanism for washing machine is last. The washing machine comprises a motor and two conveying pumps, wherein a liquid inlet and a liquid outlet are formed in each conveying pump, and the washing machine is characterized in that each conveying pump comprises a cavity and a screw rod which is rotatably arranged in the cavity, the motor drives the screw rod to rotate through a driving device, the screw rod is used for conveying a washing agent entering from the liquid inlet to the liquid outlet, one of the screw rods is driven to rotate when the motor rotates forwards, and the other screw rod is driven to rotate when the motor rotates backwards. The utility model discloses can control the addition or the interpolation speed of detergent, conveniently add multiple detergent simultaneously, guarantee washing machine's washing effect.
Description
Technical Field
The utility model relates to a washing machine field especially relates to a detergent pan feeding mechanism for washing machine is last.
Background
The washing machine is a widely used household appliance, generally comprises a machine body and a washing barrel arranged in the machine body, wherein a detergent adding device is arranged on the washing barrel and used for adding detergent into the washing barrel, the detergent adding usually depends on the experience of a user, the adding amount or adding speed of the detergent is difficult to control, the detergent is easy to be added excessively or insufficiently, the detergent is also uneven, and in order to increase the washing effect, various detergents such as laundry detergent, softening agent and the like are sometimes required to be added into the washing barrel.
Disclosure of Invention
The addition or the rate of addition of detergent are difficult to control to the washing machine based on existence among the prior art, and the detergent adds the excess or not enough or inequality easily, influences the washing effect, and the detergent that has now in addition adds the device and is difficult to conveniently add the not enough of multiple detergent, the utility model provides a detergent pan feeding mechanism for on washing machine can control the addition or the rate of addition of detergent, conveniently adds multiple detergent simultaneously, guarantees washing machine's washing effect.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a detergent pan feeding mechanism for on washing machine, includes motor and two delivery pumps, is equipped with inlet and liquid outlet on the delivery pump, characterized by, the delivery pump includes the cavity and rotates the screw rod that sets up in the cavity, and the motor passes through drive arrangement drive screw and rotates, and the screw rod is used for carrying the detergent that gets into from the inlet to the liquid outlet, and one of them screw rod of drive rotates when the motor corotation, and another screw rod of drive rotates when the motor reversal. The detergent enters the cavity from the liquid inlet, the motor drives the screw rod to rotate, thrust is applied to the detergent in the cavity, the detergent is stably pushed to the liquid outlet, meanwhile, the rotating speed of the screw rod is controlled by the motor, the conveying speed of the detergent and the addition amount of the detergent can be correspondingly controlled, one conveying pump works when the motor rotates forwards, the other conveying pump stops working, when the motor rotates backwards, the conveying pump which works previously stops working, the other conveying pump starts working, single-motor double control is achieved, different detergents can be conveniently added into the two conveying pumps, and the washing effect is guaranteed.
Preferably, the driving device comprises a driving gear arranged on the motor shaft and two sets of ratchet mechanisms which are opposite to each other, each ratchet mechanism comprises pawls distributed along the circumferential direction of the screw rod and a driven gear meshed with the driving gear, and ratchets matched with the pawls are arranged on the inner ring of the driven gear.
Preferably, the two driven gears are symmetrically distributed on two sides of the driving gear. The symmetrical structure is easy to arrange and convenient to control.
Preferably, the ratchet teeth on the two driven gears face oppositely, and the pawls on the two screws face in the same direction. Because the driven gear turns to the unanimous (clockwise or anticlockwise), through setting up the ratchet of opposite orientation, can guarantee that when the motor rotates, one screw rod rotates, another screw rod idle running.
Preferably, one end of the cavity is in sealing fit with the screw rod through a sealing bearing, and the other end of the cavity is provided with an opening to form a liquid outlet. One end of the screw rod forms a sealed rotating fit with the cavity to prevent the detergent from leaking.
Preferably, a one-way valve is arranged in the cavity and is arranged at the liquid outlet. The one-way valve is opened to realize liquid outlet of the liquid outlet, and simultaneously, the liquid in the washing barrel can be prevented from flowing back to the cavity.
Preferably, the liquid outlet is communicated with a washing barrel of the washing machine. The detergent that the liquid outlet came out directly gets into the washtub and washs the clothing, convenient and fast.
The utility model has the advantages that: the detergent enters the cavity from the liquid inlet, the motor drives the screw rod to rotate, thrust is applied to the detergent in the cavity, the detergent is pushed to the liquid outlet, the screw rod is stable and reliable in transmission, the rotating speed of the screw rod is controlled by the motor, the conveying speed of the detergent and the addition amount of the detergent can be correspondingly controlled, one conveying pump works when the motor rotates forwards, the other conveying pump stops working, when the motor rotates backwards, the conveying pump which works previously stops working, the other conveying pump starts working, single-motor double control is achieved, different detergents can be conveniently added into the two conveying pumps, and a better washing effect is guaranteed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the following drawings without inventive work.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view a-a of fig. 1.
Reference numerals: the device comprises a motor 1, a delivery pump 2, a cavity 21, a screw 22, a sealing bearing 23, a one-way valve 24, a liquid inlet 3, a liquid outlet 4, a driving gear 5, a pawl 6, a driven gear 7 and a ratchet 8.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
A detergent feeding mechanism for a washing machine according to an embodiment of the present invention will be described with reference to the accompanying drawings, as shown in fig. 1 and 2,
the utility model provides a detergent pan feeding mechanism for on washing machine, includes motor 1 and two delivery pump 2, is equipped with inlet 3 and liquid outlet 4 on the delivery pump, characterized by, and the delivery pump includes cavity 21 and rotates the screw rod 22 that sets up in the cavity, and the motor passes through drive arrangement drive screw rod and rotates, and the screw rod is used for carrying the detergent that gets into from the inlet to the liquid outlet, drives one of them screw rod rotation when the motor corotation, drives another screw rod rotation when the motor reversal. The detergent enters the cavity from the liquid inlet, the motor drives the screw rod to rotate, thrust is applied to the detergent in the cavity, the detergent is stably pushed to the liquid outlet, meanwhile, the rotating speed of the screw rod is controlled by the motor, the conveying speed of the detergent and the addition amount of the detergent can be correspondingly controlled, one conveying pump works when the motor rotates forwards, the other conveying pump stops working, when the motor rotates backwards, the conveying pump which works previously stops working, the other conveying pump starts working, single-motor double control is achieved, different detergents can be conveniently added into the two conveying pumps, and the washing effect is guaranteed.
The driving device comprises a driving gear 5 arranged on a motor shaft and two sets of ratchet mechanisms which are opposite to each other, each ratchet mechanism comprises a pawl 6 and a driven gear 7, the pawls 6 are distributed along the circumferential direction of a screw rod, the driven gear is meshed with the driving gear, ratchets 8 matched with the pawls are arranged on the inner ring of the driven gear, the motor drives the driving gear to rotate and drives the driven gear to rotate, only one conveying pump is driven to work respectively when the motor rotates forwards and backwards through the matching of the pawls and the ratchets, the addition of different detergents is realized, the structure is compact, and the washing machine. Specifically, two driven gears are symmetrically distributed on two sides of the driving gear, the symmetrical structure is adopted, the layout is easy, the control is convenient, the directions of ratchets on the two driven gears are opposite, the directions of pawls on the two screw rods are the same, and because the rotation directions of the driven gears are consistent (clockwise or anticlockwise), one screw rod rotates and the other screw rod idles when the motor rotates due to the ratchets in opposite directions.
One end of the cavity forms a sealing fit with the screw through the sealing bearing 23, the other end of the cavity is opened to form a liquid outlet, one end of the screw forms a sealing rotation fit with the cavity, and detergent leakage at the position is prevented. The cavity is internally provided with a one-way valve 24 which is arranged at the liquid outlet, the one-way valve is opened to realize the liquid outlet of the liquid outlet, and simultaneously, the liquid in the washing barrel can be prevented from flowing back to the cavity. The liquid outlet is communicated with a washing barrel of the washing machine, and the detergent coming out of the liquid outlet directly enters the washing barrel to clean clothes, so that the washing machine is convenient and fast.
When the washing machine is implemented, the driving gear is driven to rotate by the motor, the ratchet mechanisms which are opposite to each other are matched, when the motor rotates forwards, one group of conveying pumps works, the other group of conveying pumps idles, when the motor rotates backwards, the conveying pumps which work previously rotate backwards, the other group of conveying pumps works, and in the conveying pumps, the screw rods are adopted to push washing agents, so that the washing machine is stable and reliable, the rotating speed of the screw rods is controlled by the motor, and the conveying speed of the washing agents and the addition amount of the washing agents can be correspondingly controlled.
The above is only the preferred embodiment of the present invention, and the patent scope of the present invention is not limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (7)
1. The utility model provides a detergent pan feeding mechanism for on washing machine, includes motor and two delivery pumps, is equipped with inlet and liquid outlet on the delivery pump, characterized by, the delivery pump includes the cavity and rotates the screw rod that sets up in the cavity, and the motor passes through drive arrangement drive screw and rotates, and the screw rod is used for carrying the detergent that gets into from the inlet to the liquid outlet, and one of them screw rod of drive rotates when the motor corotation, and another screw rod of drive rotates when the motor reversal.
2. The detergent feeding mechanism as claimed in claim 1, wherein said driving means comprises a driving gear mounted on the shaft of the motor and two sets of ratchet mechanisms disposed in opposite directions, each ratchet mechanism comprising a pawl circumferentially disposed along the screw and a driven gear engaging with the driving gear, wherein the driven gear has a ratchet teeth on its inner circumference for engaging with the pawl.
3. The detergent feeding mechanism as claimed in claim 2, wherein the two driven gears are symmetrically disposed at both sides of the driving gear.
4. The detergent feeding mechanism for a washing machine as claimed in claim 2, wherein the ratchet teeth of the two driven gears are oriented oppositely and the pawl of the two screws are oriented identically.
5. The detergent feeding mechanism of claim 1 or 2, wherein one end of the cavity is in sealing fit with the screw through a sealing bearing, and the other end of the cavity is opened to form a liquid outlet.
6. The detergent feeding mechanism as claimed in claim 1, wherein a check valve is disposed in said cavity and at said outlet.
7. The detergent inlet mechanism as claimed in claim 1, wherein said outlet is in communication with a washing tub of a washing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921665270.9U CN211227751U (en) | 2019-09-30 | 2019-09-30 | Detergent feeding mechanism for washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921665270.9U CN211227751U (en) | 2019-09-30 | 2019-09-30 | Detergent feeding mechanism for washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211227751U true CN211227751U (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921665270.9U Active CN211227751U (en) | 2019-09-30 | 2019-09-30 | Detergent feeding mechanism for washing machine |
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| Country | Link |
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| CN (1) | CN211227751U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022193859A1 (en) * | 2021-03-16 | 2022-09-22 | 青岛海尔洗衣机有限公司 | Feeding device for laundry treatment apparatus, and laundry treatment apparatus |
-
2019
- 2019-09-30 CN CN201921665270.9U patent/CN211227751U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022193859A1 (en) * | 2021-03-16 | 2022-09-22 | 青岛海尔洗衣机有限公司 | Feeding device for laundry treatment apparatus, and laundry treatment apparatus |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210406 Address after: 310000 Hangzhou Economic and Technological Development Zone, Hangzhou, Zhejiang Province Patentee after: HANGZHOU GOLDFISH HOME APPLIANCES Co.,Ltd. Address before: 310018 8 8 / F, building 4, 8, Baiyang street, Hangzhou Economic and Technological Development Zone, Jianggan District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU GOLDFISH ELECTRIC GROUP Co.,Ltd. Patentee before: HANGZHOU GOLDCOSMOS ELECTRONIC Co.,Ltd. |
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| TR01 | Transfer of patent right |