CN110578235A - Liquid pumping mechanism for preventing liquid dripping - Google Patents
Liquid pumping mechanism for preventing liquid dripping Download PDFInfo
- Publication number
- CN110578235A CN110578235A CN201910763417.6A CN201910763417A CN110578235A CN 110578235 A CN110578235 A CN 110578235A CN 201910763417 A CN201910763417 A CN 201910763417A CN 110578235 A CN110578235 A CN 110578235A
- Authority
- CN
- China
- Prior art keywords
- drawer
- liquid outlet
- outer sleeve
- check valve
- push pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/02—Devices for adding soap or other washing agents
- D06F39/022—Devices for adding soap or other washing agents in a liquid state
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Check Valves (AREA)
Abstract
The invention provides a drip-proof liquid pumping mechanism which comprises a water storage tank, a drawer and a flushing and extracting mechanism, wherein an A liquid outlet is formed in one end, close to the flushing and extracting mechanism, of the drawer, a check valve matched with the A liquid outlet is arranged in a check valve base, the drawer is communicated with the flushing and extracting mechanism through an internal channel of a valve interface module, a movable push pin outer sleeve is sleeved outside the valve interface module, a B liquid outlet is formed in one end, close to the drawer, of the push pin outer sleeve, a push rod penetrating through the B liquid outlet is arranged at one end of the valve interface module, and a push block is arranged at the end, extending out of the push pin outer sleeve, of the push rod; when the drawer was opened, the check valve broke away from supporting of ejector pad, and the check valve resets and carries out the shutoff to the A liquid outlet, closes the A liquid outlet, the push pin overcoat removes to the one end that is close to the ejector pad under the pulling effect of drawer, leans on to carry out the shutoff to the B liquid outlet with the ejector pad counterbalance, closes the B liquid outlet to realize the mesh of antidrip liquid.
Description
[ technical field ] A method for producing a semiconductor device
the invention relates to the technical field of dispensers of washing machines, in particular to a drip-proof liquid pumping mechanism.
[ background of the invention ]
The prior full-automatic washing machine is generally provided with a detergent dispenser for temporarily storing a detergent, wherein the detergent is temporarily stored in a detergent storage box and is put into a washing cylinder of the washing machine under the control of a specified program to wash clothes; the dispenser generally pre-stores detergent in a detergent storage box, when clothes washing operation is needed, water is flushed into the detergent storage box and mixed with the pre-stored detergent, the detergent is delivered into a washing cylinder to be soaked and washed by means of siphon effect, the existing dispenser adopts a drawer type drawing structure, as shown in fig. 1, when the detergent needs to be added into a drawer, the drawer needs to be drawn out, at the moment, because the opening end of a valve interface module is not blocked, the residual washing liquid in the valve interface module is dripped into the mounting position of the drawer, the residual washing liquid can remain in the drawer, the drawer needs to be cleaned regularly, and a liquid dropping mechanism for preventing liquid dropping is provided.
[ summary of the invention ]
The invention aims to solve the problems in the prior art and provides a drip-proof liquid pumping mechanism which has a drip-proof effect and does not need to be cleaned regularly.
in order to achieve the purpose, the invention provides a drip-proof liquid pumping mechanism, which comprises a water storage tank, a drawer arranged in the water storage tank and a flushing and extracting mechanism arranged at one end of the water storage tank, wherein an A liquid outlet is formed at one end of the drawer close to the flushing and extracting mechanism, a check valve is arranged on the A liquid outlet, the drawer is communicated with the flushing and extracting mechanism through an internal channel of a valve interface module, a movable push pin outer sleeve is sleeved outside the valve interface module, a B liquid outlet is formed at one end of the push pin outer sleeve close to the drawer, a push rod penetrating through the B liquid outlet is arranged at one end of the valve interface module, and a push block is arranged at the end part of the push rod, which extends out of the push pin;
When the drawer is closed, the push pin outer sleeve moves towards one end far away from the drawer, the push block is separated from abutting against the liquid outlet B, the liquid outlet B is controlled to be opened, and the drawer is communicated with a channel inside the valve interface module;
When the drawer is opened, the push pin outer sleeve moves towards one end close to the push block under the pulling action of the drawer, abuts against the push block to block the liquid outlet B, and the liquid outlet B is closed.
Preferably, the inner ring of one end of the push pin outer sleeve extends to form a limiting clamping jaw which is formed by radially contracting the push pin outer sleeve, and the outer ring of the valve interface module is provided with a limiting protruding part matched with the limiting clamping jaw.
Preferably, the valve interface module is fixedly installed on the water storage tank, the push pin outer sleeve is movably installed along the axial direction of the valve interface module, one end, far away from the push block, of the push pin outer sleeve is provided with a spring connected with the valve interface module, and the spring is in a compressed state when the drawer is closed.
preferably, the valve interface module is a cylindrical body, the outer wall of the valve interface module is provided with a plurality of first sealing grooves, the first sealing grooves are sleeved with sealing rings, and the sealing rings are tightly matched with the inner wall of the push pin outer sleeve.
As preferred, the one end of drawer is equipped with the communicating installation draw-in groove with the A liquid outlet, the tip of push pin overcoat is equipped with the portion of inserting with installation draw-in groove looks adaptation, and when the drawer was closed, the portion of inserting inserts installation draw-in groove, and the tip of portion of inserting leans on the cooperation with installation draw-in groove's terminal surface counterbalance, a plurality of second seal groove has been seted up to the outer wall of portion of inserting, the cover is equipped with V type sealing washer on the second seal groove, V type sealing washer closely cooperates with installation draw-in groove's inner wall.
Preferably, the outer diameter of the insertion rod part is smaller than that of the push pin outer sleeve, a truncated cone-shaped transition part is arranged between the insertion rod part and the push pin outer sleeve, and the end part of the insertion rod part is provided with a radially contracted leading-in part.
preferably, the check valve comprises a check valve base and a check valve which is arranged in the check valve base and matched with the liquid outlet A, when the drawer is closed, the push block is abutted against and matched with the check valve, and the check valve moves to be separated from abutting against the liquid outlet A so as to control the liquid outlet A to be opened; when the drawer was opened, the check valve broke away from supporting of ejector pad and leans on, and the check valve resets and carries out the shutoff to the A liquid outlet, closes the A liquid outlet.
The invention has the beneficial effects that: according to the invention, the push rod mechanism with the push block is arranged in the valve interface module, when the drawer is opened, the check valve can be separated from the pushing block to block the liquid outlet of the drawer, the push needle is sleeved outside the drawer and moves towards one end close to the push block under the pulling action of the drawer to block the liquid outlet B by being abutted against the push block, and the liquid outlet of the valve interface module is prevented from dropping liquid and does not need to be cleaned regularly.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic cross-sectional view of a prior art pumping mechanism;
FIG. 2 is a schematic view of the drawer in position of the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3 at C;
FIG. 5 is a schematic sectional view of a part of the structure in a closed state of the check valve;
Fig. 6 is a schematic sectional view of a part of the structure in an open state of the drawer.
[ detailed description ] embodiments
Referring to fig. 1 to 3, the drip-proof pumping mechanism of the present invention comprises a water storage tank 10, a drawer 9 disposed in the water storage tank 10, and a flushing pumping mechanism 20 disposed at one end of the water storage tank 10, one end of the drawer 9 close to the flushing and extracting mechanism 20 is provided with an A liquid outlet 90, the A liquid outlet 90 is provided with a check valve, the check valve comprises a check valve base 2 and a check valve 1 which is arranged in the check valve base 2 and is matched with the liquid outlet 90A, the drawer 9 is communicated with the flushing and extracting mechanism 20 through an internal channel of the valve interface module 3, a movable push pin outer sleeve 7 is sleeved outside the valve interface module 3, a liquid outlet B70 is formed in one end, close to the drawer 9, of the push pin outer sleeve 7, a push rod 31 penetrating through the liquid outlet B70 is arranged at one end of the valve interface module 3, and a push block 32 is arranged at the end part of the push rod 31 extending out of the push needle outer sleeve 7;
referring to fig. 4, when the drawer 9 is closed, the push block 32 abuts against and cooperates with the check valve 1, the check valve 1 moves to be separated from abutting against the liquid outlet 90 of the valve a, the liquid outlet 90 of the valve a is controlled to be opened, the push pin outer sleeve 7 moves towards one end far away from the drawer 9, the push block 32 separates from abutting against the liquid outlet 70 of the valve B, the liquid outlet 70 of the valve B is controlled to be opened, and the drawer 9 is communicated with an internal channel of the valve interface module 3;
Referring to fig. 5 and 6, when the drawer 9 is opened, the check valve 1 is disengaged from the abutting of the push block 32, the check valve 1 is reset to block the liquid outlet 90 a, the liquid outlet 90 a is closed, the push pin outer sleeve 7 moves towards one end close to the push block 32 under the pulling action of the drawer 9, abuts against the push block 32 to block the liquid outlet 70B, and the liquid outlet 70B is closed.
Furthermore, the inner ring of one end of the push pin outer sleeve 7 extends to form a limiting clamping jaw 8 which is formed by radially contracting along the inner ring, and the outer ring of the valve interface module 3 is provided with a limiting protruding part 33 which is matched with the limiting clamping jaw 8. The limiting bulge part can limit the push pin outer sleeve 7, so that the push pin outer sleeve 7 is prevented from falling off from the valve interface module 3.
further, the valve interface module 3 is fixedly installed on the water storage tank 10, the push pin outer sleeve 7 is movably installed along the axial direction of the valve interface module 3, a spring 6 connected with the valve interface module 3 is arranged at one end, far away from the push block 32, of the push pin outer sleeve 7, and the spring 6 is in a compressed state when the drawer 9 is closed. The spring can strengthen the restoring force between the push pin outer sleeve 7 and the valve interface module 3, and ensure that the push pin outer sleeve 7 can be popped out in time after the drawer is opened, thereby ensuring that the B liquid outlet 70 is tightly blocked.
further, valve interface module 3 is the tube-shaped body, and a plurality of first seal groove has been seted up to the outer wall, the cover is equipped with sealing washer 5 on the first seal groove, sealing washer 5 closely cooperates with the inner wall of push pin overcoat 7. The sealing performance between the valve interface module and the push pin outer sleeve can be improved, and liquid leakage is avoided.
Further, the one end of drawer 9 is equipped with the communicating installation draw-in groove 91 with A liquid outlet 90, the tip of push pin overcoat 7 is equipped with the inserted bar portion with installation draw-in groove 91 looks adaptation, and when drawer 9 closed, inserted bar portion inserts installation draw-in groove 91, and the tip of inserted bar portion offsets with installation draw-in groove 91's terminal surface and leans on the cooperation, a plurality of second seal groove has been seted up to the outer wall of inserted bar portion, the cover is equipped with V type sealing washer 4 on the second seal groove, V type sealing washer 4 closely cooperates with installation draw-in groove 91's inner wall. The sealing performance between the drawer and the push pin outer sleeve can be improved, and liquid leakage is avoided.
furthermore, the outer diameter of the inserted rod part is smaller than that of the push pin outer sleeve 7, a truncated cone-shaped transition part is arranged between the inserted rod part and the push pin outer sleeve 7, and the end part of the inserted rod part is provided with a radially contracted leading-in part. The inserted rod part with the leading-in part is convenient to be accurately inserted into the mounting clamping groove.
The working process of the invention is as follows:
The invention relates to a drip-proof liquid pumping mechanism, which has the working principle that:
Referring to fig. 4, when the drawer 9 is closed, the push block 32 abuts against and cooperates with the check valve 1, the check valve 1 moves away from abutting against the liquid outlet 90 a, the liquid outlet 90 a is controlled to be opened, the push pin outer sleeve 7 moves towards one end far away from the drawer 9, the push block 32 disengages from abutting against the liquid outlet 70B, the liquid outlet 70B is controlled to be opened, the drawer 9 is communicated with the internal channel of the valve interface module 3, and the washing and extracting mechanism 20 can extract the washing agent;
referring to fig. 5 and 6, when the drawer 9 is opened, the check valve 1 is separated from the abutting of the push block 32, the check valve 1 is reset to block the liquid outlet 90 a, the liquid outlet 90 a is closed, the push pin outer sleeve 7 moves towards one end close to the push block 32 under the pulling action of the drawer 9, abuts against the push block 32 to block the liquid outlet 70B, and the liquid outlet 70B is closed, so that the drip-proof purpose is achieved.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (7)
1. The utility model provides a drip proof's drawing liquid mechanism, includes water storage tank (10), locates drawer (9) in water storage tank (10) and locates washing draw mechanism (20) of water storage tank (10) one end which characterized in that: the device comprises a drawer (9), a liquid outlet A (90) and a check valve, wherein the end, close to a washing and extracting mechanism (20), of the drawer (9) is provided with the liquid outlet A (90), the liquid outlet A (90) is provided with the check valve, the drawer (9) is communicated with the washing and extracting mechanism (20) through an internal channel of a valve interface module (3), a movable push pin outer sleeve (7) is sleeved outside the valve interface module (3), a liquid outlet B (70) is arranged at one end, close to the drawer (9), of the push pin outer sleeve (7), a push rod (31) penetrating through the liquid outlet B (70) is arranged at one end of the valve interface module (3), and a push block (32) is arranged at the end part, extending out of the;
When the drawer (9) is closed, the push pin outer sleeve (7) moves towards one end far away from the drawer (9), the push block (32) is separated from abutting against the liquid outlet (70) B to control the liquid outlet (70) B to be opened, and the drawer (9) is communicated with an internal channel of the valve interface module (3);
When the drawer (9) is opened, the push pin outer sleeve (7) moves towards one end close to the push block (32) under the pulling action of the drawer (9), abuts against the push block (32) to block the liquid outlet (70) of the liquid B, and the liquid outlet (70) of the liquid B is closed.
2. The drip resistant withdrawal mechanism of claim 1, further comprising: the inner ring of one end of the push pin outer sleeve (7) extends to form a limiting clamping jaw (8) along the radial contraction of the push pin outer sleeve, and the outer ring of the valve interface module (3) is provided with a limiting protruding part (33) matched with the limiting clamping jaw (8).
3. The drip resistant withdrawal mechanism of claim 1, further comprising: the valve interface module (3) is fixedly installed on the water storage tank (10), the push pin outer sleeve (7) is movably installed along the axis direction of the valve interface module (3), one end, far away from the push block (32), of the push pin outer sleeve (7) is provided with a spring (6) connected with the valve interface module (3), and the spring (6) is in a compression state when the drawer (9) is closed.
4. The drip resistant withdrawal mechanism of claim 1, further comprising: valve interface module (3) are the tube-shaped body, and a plurality of first seal groove has been seted up to the outer wall, the cover is equipped with sealing washer (5) on the first seal groove, sealing washer (5) closely cooperate with the inner wall of push pin overcoat (7).
5. The drip resistant withdrawal mechanism of claim 1, further comprising: the one end of drawer (9) is equipped with communicating installation draw-in groove (91) of A liquid outlet (90), the tip of push pin overcoat (7) is equipped with the inserted bar portion with installation draw-in groove (91) looks adaptation, and when drawer (9) were closed, inserted bar portion inserted installation draw-in groove (91), and the tip of inserted bar portion offsets by the cooperation with the terminal surface of installation draw-in groove (91), a plurality of second seal groove has been seted up to the outer wall of inserted bar portion, the cover is equipped with V type sealing washer (4) on the second seal groove, V type sealing washer (4) closely cooperate with the inner wall of installation draw-in groove (91).
6. the drip resistant withdrawal mechanism of claim 5, wherein: the outer diameter of the inserted rod part is smaller than that of the push pin outer sleeve (7), a truncated cone-shaped transition part is arranged between the inserted rod part and the push pin outer sleeve (7), and the end part of the inserted rod part is provided with a radially contracted leading-in part.
7. the drip resistant withdrawal mechanism of claim 1, further comprising: the check valve comprises a check valve base (2) and a check valve (1) which is arranged in the check valve base (2) and matched with the liquid outlet A (90), when the drawer (9) is closed, the push block (32) is abutted against and matched with the check valve (1), the check valve (1) moves to be separated from abutting against the liquid outlet A (90), and the liquid outlet A (90) is controlled to be opened; when the drawer (9) is opened, the check valve (1) is separated from the abutting of the push block (32), the check valve (1) is reset to block the liquid outlet (90) A, and the liquid outlet (90) A is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910763417.6A CN110578235A (en) | 2019-08-19 | 2019-08-19 | Liquid pumping mechanism for preventing liquid dripping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910763417.6A CN110578235A (en) | 2019-08-19 | 2019-08-19 | Liquid pumping mechanism for preventing liquid dripping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110578235A true CN110578235A (en) | 2019-12-17 |
Family
ID=68811140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910763417.6A Pending CN110578235A (en) | 2019-08-19 | 2019-08-19 | Liquid pumping mechanism for preventing liquid dripping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110578235A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022193831A1 (en) * | 2021-03-16 | 2022-09-22 | 青岛海尔洗衣机有限公司 | Liquid guide structure of liquid storage box, additive dispensing module, and washing machine |
| WO2024099344A1 (en) * | 2022-11-08 | 2024-05-16 | 重庆海尔洗衣机有限公司 | Detergent dispensing device and washing machine |
-
2019
- 2019-08-19 CN CN201910763417.6A patent/CN110578235A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022193831A1 (en) * | 2021-03-16 | 2022-09-22 | 青岛海尔洗衣机有限公司 | Liquid guide structure of liquid storage box, additive dispensing module, and washing machine |
| WO2024099344A1 (en) * | 2022-11-08 | 2024-05-16 | 重庆海尔洗衣机有限公司 | Detergent dispensing device and washing machine |
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