CN1328530C - Multiple-pass water valve with elastic tubular valve core - Google Patents
Multiple-pass water valve with elastic tubular valve core Download PDFInfo
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- CN1328530C CN1328530C CNB2005100363398A CN200510036339A CN1328530C CN 1328530 C CN1328530 C CN 1328530C CN B2005100363398 A CNB2005100363398 A CN B2005100363398A CN 200510036339 A CN200510036339 A CN 200510036339A CN 1328530 C CN1328530 C CN 1328530C
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Abstract
The present invention relates to a multiple-way water valve with an elastic tubular valve core, which is composed of a valve body, a valve core, a spring, a valve lid, a guide tube, a guy cable, a water inlet tube and a water outlet tube, wherein the valve core is integrally composed of a valve plug at the front end, an elastic sleeve body in the middle section and a crimp on the back end. A central line of the guide tube is positioned on a central shaft line of the elastic sleeve body of the valve core, the guy cable is arranged in the central line of the guide tube, and the spring is sheathed outside the central line of the guide tube. At least two water inlet pipes of the multiple-way valve are provided and are connected to the front end of a valve port in the same axial direction with the valve body. Accordingly, the valve plug at the front end of the valve core is provided with a sealing face corresponding to each water inlet pipe positioned on the port of the valve port for seal. Under the action of the spring in the valve core, the sealing face of the valve plug tightly presses the port on the valve port of the water inlet pipe, and accordingly, the multiple-way water valve is closed. The present invention provides a multiple-way valve with the elastic tubular valve core at least controlled by the three passages. The present invention effectively avoids the water waste phenomenon caused by the sealing failure between an internal drum and an external drum.
Description
Technical field
The present invention relates to a kind of three-way valve, especially relate to a kind of multiway water valve that has the elastic tubular spool
Background technique
In the prior art, the valve that has the elastic tubular spool is two logical drain valves 14, often be used to the draining control of full-automatic impeller type washing machine, referring to Fig. 1, it mainly is made up of valve body 14a, spool 14c, spring 14e, valve gap 14f, conduit 14g, drag-line 14h, intake pipe 14k and outlet pipe 14p, referring to Fig. 2.Wherein, spool by be used for and the elasticity body 14c2 in the contacted front end valve plug of valve port 14c1, stage casing and be fixed in valve body 14a rear end and valve gap 14f between rear end flange 14c3 one constitute, generally adopt rubber or similarly elastic material make; In drag-line 14h is housed conduit 14g be positioned on the position of elasticity body 14c2 medial axis of spool; Spring 14e is enclosed within on the conduit 14g, and two ends are against respectively on the valve plug 14c1 and valve gap 14f of spool front end, are used for automatically reseting of spool; The sealing lip 14b that has annular on the valve plug 14c1 is being pressed under the effect of spring force on the sealing surface of valve port; Valve body is a tubulose, and valve port is positioned on the front-end face perpendicular to valve axis, and intake pipe 14k is connected in the front end of valve port for " L " shape pipe, and outlet pipe then is arranged on the tube wall of valve body.When pulling drag-line 14h, the sealing lip 14b on the valve plug 14c1 leaves sealing valve port face 14s, and intake pipe 14k and outlet pipe 14p connect (shown in the medial axis first half state of Fig. 1 valve); Loosen drag-line 14h, sealing lip 14b resets under the effect of spring 14e and is adjacent to sealing valve port face 14s, and intake pipe 14k and outlet pipe 14p turn-off (shown in the medial axis Lower Half state of Fig. 2 valve).Its deficiency is: Twoway valves can not satisfy in water-saving full-automatic impeller type washing machine, the situation of the outer bucket of control draining, because interior bucket and the isolation mutually of outer bucket at water-saving full-automatic impeller type washing machine, bucket water storage or draining in Twoway valves 14 can only be controlled, can not control the draining of outer bucket, though outer bucket is straight-through draining can not water storage, yet once the seal failure between the inside and outside bucket, the water of bucket can flow to outer bucket by seal failure place then, because the draining of outer bucket does not have drain valve control, the water that just causes bucket outside interior bucket drains to is unhinderedly through secondary drain opening 4, secondary waste pipe 19, tee union 22, main drain 21 is directly discharged outside the washing machine, the loss waste of the water of bucket in therefore will causing.In the prior art, if above-mentioned situation occurs, this is contrary with the target of water saving.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art part, it is the multiway water valve that has the elastic tubular spool of triple channel control at least that a kind of being applicable to is provided.
The technical solution adopted for the present invention to solve the technical problems is: a kind of multiway water valve that has the elastic tubular spool, it is mainly by valve body 23a, spool 23c, spring 23e, valve gap 23f, conduit 23g, drag-line 23h, intake pipe and outlet pipe 23p form, wherein, spool 23c is by front end valve plug 23c1, the elasticity body 23c2 in stage casing and rear end flange one constitute, in drag-line 23h is housed, the conduit 23g of outer casing spring is positioned on the position of elasticity body 23c3 medial axis of spool 23c, the intake pipe that it is characterized in that this multiway water valve has two at least, they all are connected in the front end of valve port coaxially with valve body 23a, correspondingly, the valve plug 23c1 of spool 23c front end has corresponding to each intake pipe and is positioned at the sealing surface that valve port place port seals, under the spring 23e effect in spool 23c, described valve plug 23c1 sealing surface compact on the port at intake pipe 23k valve port place, thereby close multiway water valve.
When multiway water valve was in closed condition, two or more intake pipe 23k not only cut off with outlet pipe, and also cut off mutually between each intake pipe 23k; When multiway water valve was in opening state, two or more intake pipe 23k were communicated with outlet pipe simultaneously, and also interconnect between them.
The present invention can do following improvement: promptly as three water-through valves, have two intake pipes, they are respectively outer, interior intake pipe, wherein, outer intake pipe 23k is " L " shape pipe, be connected in the front end of valve port, interior intake pipe 23q then is located in described outer intake pipe 23k and homoaxial that segment pipe of valve port and stretches to the valve port place coaxially, the port that outer intake pipe 23k is positioned at the valve port place is connected with the valve port of valve body 23a, the plane of valve port periphery constitutes the port sealing face of outer intake pipe 23k, and interior intake pipe 23q is positioned at the port at valve port place itself and is sealing surface; Correspondingly, there are two sealing surfaces to correspond respectively to the port that each intake pipe is positioned at the valve port place on the valve plug 23c1 of spool 23c front end, one of them sealing surface corresponding to outer intake pipe 23k is the sealing lip 23b of annular, another sealing surface corresponding to interior intake pipe 23q is the sealing plug at valve plug 23c1 middle part, under the spring action in spool, described sealing lip is pressed on the sealing surface of valve port, and the sealing plug at described valve plug 23c1 middle part then is pressed on the port of interior intake pipe 23q.
The present invention can do following improvement: the outer intake pipe 23k concentric of that section at intake pipe 23q and place in described, the corresponding simultaneously sealing plug 23d that annular seal lip 23b and circular arc also are set on the valve plug 23c1 of spool 23c with one heart makes the sealability of three water-through valves 23 more reliable.When three water-through valves 23 are in closed condition, sealing lip 23b on the spool 23c compresses on the sealing valve port face 23s, simultaneously, the supermedial circular arc sealing plug of spool 23c 23d blocks the interior intake pipe 23q of three water-through valves, reach the outer intake pipe 23k of three water-through valves and cut off mutually with interior intake pipe 23q, simultaneously again with the purpose (referring to Fig. 4 Lower Half) of outlet pipe 23p partition; When three water-through valves 23 are in opening state, sealing lip 23b on the spool 23c leaves valve port outer tube sealing surface 23s, simultaneously, the supermedial sealing plug 23d of the valve plug 23c1 of spool 23c also leaves interior intake pipe 23q port, reach three water-through valves outer intake pipe 23k, interior intake pipe 23q and interconnect the purpose (referring to Fig. 4 first half) that is communicated with outlet pipe 23p again simultaneously.
The present invention can also do following improvement: the valve port outer tube sealing surface 23s and the interior intake pipe port of three water-through valves 23 are set up at grade, sealing lip 23b on the spool 23c and sealing plug 23d unite two into one becomes conplane valve core sealed cover 23u, like this, even intake pipe 23q decentraction is provided with in three water-through valve water-inlet cavity 23m and three water-through valves, threeway Inner part of water valve sealing surface 23u also can cut off outer intake pipe 23k of three water-through valves and interior intake pipe 23q reliably, simultaneously with outer intake pipe 23k and interior intake pipe 23q and outlet pipe 23p partition.Referring to Fig. 5.
The present invention can also develop into multiway water valve further: the intake pipe 23v that is connected with the parallel axes of plural and valve body 23a at the valve port place of multiway water valve valve body, all intake pipes are positioned at the water inlet port sealing surface 23w at valve port place all on same plane, it is sealing plane that the spool valve plug is set accordingly, the area of this valve plug sealing surface 23u should be able to be sealed all intake pipe 23v, under the spring 23e effect in spool; Described valve plug sealing surface 23u can be pressed on all intake pipes simultaneously and be positioned on the port at valve port place, like this, when multiway water valve is closed, just can realize cutting off between plural intake pipe 23v mutually the purpose that all simultaneously intake pipes all cut off with outlet pipe.Referring to Fig. 6.Referring to Fig. 7.
The advantage of multiway water valve of the present invention is that the valve that will have the elastic tubular spool is improved to multiway water valve, expanded this valve application that has the elastic tubular spool greatly, not only it can be applied on the water-saving full-automatic impeller type washing machine, realize that this washing machine inner tub waste pipe and outer bucket waste pipe both cut off with main drain, the purpose of cutting off mutually prevents that effectively the phenomenon of wasting water that causes because of seal failure between the inside and outside bucket from occurring again; Can also be applied to other requirements has two (or more than two) intake pipes and an outlet pipe, and requires two (or more than two) water inlet port to cut off between mutually, simultaneously the occasion cut off with the water outlet port again of two (or more than two) water inlet port.
Description of drawings:
The present invention is described in further detail below in conjunction with embodiment and accompanying drawing:
Fig. 1 is that prior art adopts the master of the water-saving full-automatic impeller type washing machine bottom of two logical drain valves to look diagrammatic sectional view;
Fig. 2 is the main pseudosection of prior art two logical drain valves;
Fig. 3 is that the present invention is applied to the water saving type main diagrammatic sectional view of looking in the washing machine bottom when rotary drum washing machine entirely;
Fig. 4 is the main pseudosection of three water-through valves in the embodiment of the invention shown in Figure 3;
Fig. 5 is the another kind of embodiment's of a present invention shown in Figure 3 main pseudosection;
Fig. 6 is the main pseudosection of the multiway water valve with four intake pipes in the third embodiment of the invention;
Fig. 7 is the A-A profile of Fig. 6.
Among the figure: 1. outer bucket, 2. interior bucket, 3. impeller, 4. secondary drain opening, 5. pallet, 6. rotation back-up ring, 6a. rotation back-up ring outer cylinder, 7. weep hole, 8. sealing gasket, 9. sealing gasket, 10. seal ring, 11. seal closure, 11b. seal closure circle suitable for reading, 12. sealing gasket, 13. main drainpipe, 14. two logical drain valves, 14a. Twoway valves valve body, 14b. Twoway valves sealing lip, 14c. Twoway valves spool, 14e. spring, 14f. Twoway valves valve gap, 14g. Twoway valves conduit, 14h. Twoway valves drag-line, 14k. Twoway valves intake pipe, 14m. Twoway valves water-inlet cavity, 14n. Twoway valves water chamber, 14p. Twoway valves outlet pipe, 14s. Twoway valves sealing surface, 15. main drain opening, 16. drain chamber, 17. seal ring, 18. speed-reducing clutch, 18a. dehydrating shaft, 19. secondary waste pipe, 20. seal body, 21. main drain, 22. tee union, 23. three water-through valves, 23a. valve body, 23b. sealing lip, 23c. spool, 23d. sealing plug, 23e. spring, 23f. valve gap, 23g. conduit, 23h. drag-line, 23k. outer intake pipe, 23m. water-inlet cavity, the 23n water chamber, 23p. outlet pipe, 23q. interior intake pipe, 23s. outer tube sealing surface, 23r. interior seal of tube face, 23u. three water-through valve valve plug sealing surfaces, 23v. intake pipe, 23w. water inlet port sealing surface
Embodiment:
Embodiment 1
Fig. 3 and a kind of three water-through valves that have the elastic tubular spool shown in Figure 4 are embodiments that the present invention is applied to water saving type full-automatic impeller type washing machine, a kind of water-saving full-automatic impeller type washing machine shown in Figure 3, the interior bucket 2 that is arranged in the outer bucket 1 is fixed on the dehydrating shaft 18a together by pallet 5 and rotation back-up ring 6, for realizing the not water storage of outer bucket, interior bucket must be isolated with outer bucket, also be provided with seal arrangement between promptly outer bucket and the interior bucket, sealing configuration between the inner barrel and outer barrel comprises outer bucket 1, interior bucket 2, pallet 5 in being fixed under bucket 2 bottom surfaces and the tubular rotation back-up ring 6 coaxial with dehydrating shaft 18a, seal ring 10 between rotation back-up ring outer cylinder 6a and seal closure circle suitable for reading 11b, the seal closure 11 of the platform taper that is provided with of bucket 1 bottom inside outside and the drain chamber 16 that forms with outer bucket 1 bottom surface thereof.Two drainage channels are arranged in above-mentioned water-saving full-automatic impeller type washing machine, promptly interior barrel drainage channel and outer bucket drainage channel: interior barrel 2 drainage channel comprises the seal closure 11 that penetrates pallet 5 and the weep hole 7 of rotation back-up ring 6 and the platform taper of bucket 1 bottom inside setting outside of its bottom center ring-type setting and the drain chamber 16 that outer bucket 1 bottom surface forms, and this drain chamber 16 is through main drain opening 15 connection main drainpipe 13, three water-through valves 23 and main drains 21; The drainage channel of outer bucket 1 comprises the secondary drain opening 4 that is arranged on outer barrel bottom one side, secondary waste pipe 19, three water-through valves 23 and main drain 21.Three water-through valves 23 shown in Figure 4 mainly are made up of valve body 23a, spool 23c, spring 23e, valve gap 23f, conduit 23g, drag-line 23h.Spool 23c is by front end valve plug 23c1, the elasticity body 23c2 in stage casing and rear end flange one constitute, elasticity body 23c2 is the organ tubular structure, two intake pipes of three water-through valves, 23 tools, be respectively outer intake pipe 23k and interior intake pipe 23q, the outlet pipe 23p of three water-through valves 23 is positioned on the tube wall of valve body 23a, wherein, outer intake pipe 23k is " L " shape pipe, be connected in the front end of valve port, interior intake pipe 23q then is located in described outer intake pipe 23k and homoaxial that segment pipe of valve port and stretches to the valve port place coaxially, the port that outer intake pipe 23k is positioned at the valve port place is connected with valve port on the front-end face of tubular valve body, the plane of valve port periphery constitutes the port sealing face of outer intake pipe 23k, promptly constitute outer tube sealing surface 23s, be seal of tube face 23r and interior intake pipe 23q is positioned at the port at valve port place itself; Simultaneously corresponding on the valve plug 23c1 of spool, the setting with one heart corresponding to the annular seal lip 23b of outer tube sealing surface 23s with corresponding to the hemispheric sealing plug 23d that is positioned at the valve plug middle part of interior seal of tube face 23r, the external diameter of described sealing lip 23b is positioned at the diameter of the port at valve port place greater than outer intake pipe 23k, and the diameter of described sealing plug 23d is also greater than the diameter of interior intake pipe 23q port.
When three water-through valves 23 are in closed condition, under the spring 23e effect in spool, sealing lip 23b on the described valve plug 23c1 compresses on the outer tube sealing surface 23s, simultaneously, hemisphere sealing plug 23d on the valve plug 23c1 blocks interior seal of tube face 23r, reached three water-through valves outer intake pipe 23k, interior intake pipe 23q and cut off mutually, simultaneously the purpose of cutting off with outlet pipe 23p again (referring to Fig. 4 Lower Half); When three water-through valves 23 are in opening state, be owing to external force pulling drag-line 23h makes valve plug overcome the sealing surface that spring force leaves inside and outside intake pipe, be that sealing lip 23b on the spool 23c leaves outer tube sealing surface 23s, simultaneously, sealing plug 23d on the spool 23c also leaves interior seal of tube face 23r, reach three water-through valves outer intake pipe 23k, interior intake pipe 23q and interconnected the purpose (referring to Fig. 4 first half) that is communicated with outlet pipe 23p again simultaneously.The outer intake pipe 23k of main drainpipe 13 in the water-saving full-automatic impeller type washing machine in the drainage channel of bucket 2 and three water-through valves 23 connects; The interior intake pipe 23q of secondary waste pipe 19 in the drainage channel of outer bucket 1 and three water-through valves 23 connects; The outlet pipe 23p of main drain 21 and three water-through valves 23 connects.When carrying out program for washing, three water-through valves 23 are in closed condition, and the main drain opening 15 of interior bucket 2 is cut off with main drain 21, also cut off simultaneously with the secondary drain opening 4 of outer bucket 1, because existing seal isolation between interior bucket 2 and the outer bucket 1, water can not flow to outer bucket 1, interior bucket 2 water storages laundry; Once the situation of seal failure between interior bucket 2 and the outer bucket 1 occurs, the water of interior bucket 2 flows to outer bucket 1 by seal failure place, because three water-through valves 23 are in closed condition, the secondary drain opening 4 of the main drain opening 15 of interior bucket 2, outer bucket 1 is all cut off with main drain 21, interior bucket 2 and the 1 while water storage of outer bucket, when the water of interior bucket 2 and outer bucket 1 all reached designated water level, program for washing can continue, and the consequence of the white loss of water-white can not occur.When three water-through valves 23 were opened, the secondary drain opening 4 of the main drain opening 15 of interior bucket 2, outer bucket 1 was all connected with main drain 21, and the water of interior bucket 2 and outer bucket 1 the inside can be discharged outside the washing machine simultaneously.
A kind of three water-through valves that have the elastic tubular spool shown in Figure 5 are two of embodiments of the invention, as different from Example 1: described outer tube sealing surface 23s is concordant with interior seal of tube face 23r, promptly be set up at grade, the sealing lip 23b on the spool 23c and the sealing plug 23d at middle part change the conplane valve plug sealing surface 23u of one into, under the spring 23e effect in spool, in described valve plug sealing plane is pressed on simultaneously, outer intake pipe is positioned on the port at valve port place, so that close three water-through valves, like this, even outer intake pipe 23k of three water-through valves and interior intake pipe 23q decentraction, valve plug sealing surface 23u also can cut off outer intake pipe 23k and interior intake pipe 23q reliably, simultaneously two intake pipes and outlet pipe 23p is cut off.When three water-through valves 23 were opened, two intake pipe intercommunications were also connected with outlet pipe 23p simultaneously.
Shown in Figure 6 a kind of have four intake pipes multiway water valve be three of embodiments of the invention, with embodiment's two different be: be connected with four intake pipe 23v with the parallel axes of valve body at the valve port place of valve body 23a, all water inlet port sealing surface 23w in one plane, the valve plug 23c1 that is provided with accordingly on the spool is same sealing plane, the area of this valve plug sealing surface 23u is even as big as sealing all intake pipe 23v ports, under the spring 23e effect in spool, described valve plug sealing surface 23u is pressed on all intake pipes simultaneously and is positioned on the port at valve port place, thereby closes multiway water valve.Like this, when valve cuts out, just can realize cutting off between four intake pipe 23v mutually, all simultaneously intake pipes all cut off with outlet pipe.When opening of valves, can realize connecting between four intake pipe 23v are mutually, all simultaneously intake pipes are all connected with outlet pipe.
Claims (5)
1. multiway water valve that has the elastic tubular spool, it is mainly by valve body (23a), spool (23c), spring (23e), valve gap (23f), conduit (23g), drag-line (23h), intake pipe and outlet pipe (23p) are formed, wherein, spool (23c) is by front end valve plug (23c1), the elasticity body (23c2) in stage casing and rear end flange one constitute, in drag-line (23h) is housed, the center line that is with the conduit (23g) of spring (23e) outward is positioned on the position of elasticity body (23c2) medial axis of spool (23c), the intake pipe that it is characterized in that this multiway water valve has two at least, they all are connected in the front end of valve port coaxially with valve body (23a), correspondingly, the valve plug (23c1) of spool (23c) front end has corresponding to each intake pipe and is positioned at the sealing surface that valve port place port seals, under spring (23e) effect in spool (23c), described valve plug sealing surface (23u) is pressed on the port at intake pipe valve port place, thereby closes multiway water valve.
2. the multiway water valve that has the elastic tubular spool according to claim 1, it is characterized in that this multiway water valve is three water-through valves, have two intake pipes, outside they are respectively, interior intake pipe, wherein, outer intake pipe (23k) is " L " shape pipe, be connected in the front end of valve port, interior intake pipe (23q) then is located at described outer intake pipe (23k) and the interior valve port place of also stretching to of homoaxial that segment pipe of valve port coaxially, the port that outer intake pipe (23k) is positioned at the valve port place is connected with the valve port of valve body (23a), the plane of valve port periphery constitutes the port sealing face of outer intake pipe (23k), and interior intake pipe (23q) is positioned at the port at valve port place itself and is sealing surface; Correspondingly, the valve plug (23c1) of spool (23c) front end has two corresponding to the sealing surface that each intake pipe is positioned at valve port place port, sealing surface corresponding to outer intake pipe (23k) is the sealing lip (23b) of annular, another is the sealing surface at valve plug (23c1) middle part corresponding to interior intake pipe (23q), under spring (23e) effect in spool (23c), described sealing lip (23b) is pressed on the sealing surface of valve port, and the sealing surface at described valve plug (23c1) middle part then is pressed on the port of interior intake pipe (23q).
3. the multiway water valve that has the elastic tubular spool according to claim 2, that section outer intake pipe (23k) concentric that it is characterized in that intake pipe (23q) and place within described three water-through valves (23), the annular seal lip (23b) of intake pipe (23k) and be used to seal the hemispheric sealing surface of interior intake pipe (23q) outside correspondence also is provided for sealing on the valve plug (23c1) of spool (23c) with one heart simultaneously.
4. according to claim 2 or the 3 described multiway water valves that have the elastic tubular spool, the sealing surface and interior intake pipe (23q) port that it is characterized in that described outer intake pipe (23k) are set up at grade, the sealing lip (23b) on the spool (23c) and the sealing surface at middle part unite two into one and become conplane valve plug sealing surface (23u), under spring (23e) effect in spool (23c), described valve plug sealing surface (23u) is pressed on inside and outside intake pipe simultaneously and is positioned on the port at valve port place, thereby closes three water-through valves (23).
5. the multiway water valve that has the elastic tubular spool according to claim 1, it is characterized in that being connected with the intake pipe of the parallel axes of plural and valve body (23a) at the valve port place of valve body (23a), all intake pipe sealing surfaces all in one plane, it is sealing plane that spool valve plug (23c1) is set accordingly, the area of this valve plug sealing surface (23u) can be sealed all intake pipes, under spring (23e) effect in spool (23c), described valve plug sealing surface (23u) is pressed on all intake pipes simultaneously and is positioned on the port at valve port place, thereby closes multiway water valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100363398A CN1328530C (en) | 2005-08-04 | 2005-08-04 | Multiple-pass water valve with elastic tubular valve core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100363398A CN1328530C (en) | 2005-08-04 | 2005-08-04 | Multiple-pass water valve with elastic tubular valve core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1740610A CN1740610A (en) | 2006-03-01 |
| CN1328530C true CN1328530C (en) | 2007-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100363398A Expired - Fee Related CN1328530C (en) | 2005-08-04 | 2005-08-04 | Multiple-pass water valve with elastic tubular valve core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1328530C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930234B (en) * | 2015-05-11 | 2017-10-10 | 江苏雷利电机股份有限公司 | Drain valve assembly, drain assembly, capping and wash mill |
| CN107173364B (en) * | 2017-06-02 | 2023-03-03 | 台州市春丰机械有限公司 | Sprayer with multiple liquid supply modes |
| CN208884217U (en) * | 2018-08-23 | 2019-05-21 | 无锡小天鹅股份有限公司 | Drain valve and washing machine for washing machine |
| CN112779717A (en) * | 2019-11-07 | 2021-05-11 | 青岛海尔滚筒洗衣机有限公司 | Clothes lifting device for washing machine and roller washing machine |
| CN114324104B (en) * | 2021-12-17 | 2023-10-03 | 中铁建新疆京新高速公路有限公司 | Cement concrete coefficient of permeability test experimental apparatus |
| CN114962727B (en) * | 2022-06-30 | 2023-07-18 | 小米汽车科技有限公司 | Valve, heat pump air conditioning system and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5773281A (en) * | 1980-10-20 | 1982-05-07 | Matsushita Electric Ind Co Ltd | Equipment drain device |
| JPS60196482A (en) * | 1984-03-15 | 1985-10-04 | Sanyo Electric Co Ltd | Valve open-and-close device |
| CN2301469Y (en) * | 1997-09-23 | 1998-12-23 | 合肥荣事达集团公司 | Water discharging valve for washer |
| CN2432230Y (en) * | 2000-07-02 | 2001-05-30 | 海尔集团公司 | Draw off valve for washing machine |
| JP2002031261A (en) * | 2000-07-14 | 2002-01-31 | Hitachi Ltd | Drain valve |
| CN2505668Y (en) * | 2001-11-22 | 2002-08-14 | 曾玄伟 | Electric drawing valve |
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2005
- 2005-08-04 CN CNB2005100363398A patent/CN1328530C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5773281A (en) * | 1980-10-20 | 1982-05-07 | Matsushita Electric Ind Co Ltd | Equipment drain device |
| JPS60196482A (en) * | 1984-03-15 | 1985-10-04 | Sanyo Electric Co Ltd | Valve open-and-close device |
| CN2301469Y (en) * | 1997-09-23 | 1998-12-23 | 合肥荣事达集团公司 | Water discharging valve for washer |
| CN2432230Y (en) * | 2000-07-02 | 2001-05-30 | 海尔集团公司 | Draw off valve for washing machine |
| JP2002031261A (en) * | 2000-07-14 | 2002-01-31 | Hitachi Ltd | Drain valve |
| CN2505668Y (en) * | 2001-11-22 | 2002-08-14 | 曾玄伟 | Electric drawing valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1740610A (en) | 2006-03-01 |
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