CN106436847A - Lifting and pulling mechanism of drain valve - Google Patents
Lifting and pulling mechanism of drain valve Download PDFInfo
- Publication number
- CN106436847A CN106436847A CN201611051603.XA CN201611051603A CN106436847A CN 106436847 A CN106436847 A CN 106436847A CN 201611051603 A CN201611051603 A CN 201611051603A CN 106436847 A CN106436847 A CN 106436847A
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- China
- Prior art keywords
- connecting rod
- riser
- described connecting
- drain valve
- valve body
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Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
- E03D5/02—Special constructions of flushing devices, e.g. closed flushing system operated mechanically or hydraulically (or pneumatically) also details such as push buttons, levers and pull-card therefor
- E03D5/09—Special constructions of flushing devices, e.g. closed flushing system operated mechanically or hydraulically (or pneumatically) also details such as push buttons, levers and pull-card therefor directly by the hand
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a lifting and pulling mechanism of a drain valve. The lifting and pulling mechanism of the drain valve is arranged in a valve body of the drain valve and is used for performing transmission cooperation with a starting component of the drain valve to lift and pull a lifting pipe which is movably arranged in the valve body and is fixedly connected with a valve disk cooperating with a drainage port of the drain valve. The lifting and pulling mechanism of the drain valve is characterized by at least comprising a connecting rod I and a connecting rod II, wherein the connecting rod I is pivoted to the valve body and is in transmission cooperation with the starting component; one end of the connecting rod I is pivoted to a part between the first end and the second end of the connecting rod II; while the connecting rod II is pulled by the connecting rod to rotate around the first end of the connecting rod II, the first end of the connecting rod II forms abdicating displacement relative to the valve body and the second end of the connecting rod pulls the lifting pipe. The lifting and pulling mechanism can select the lifting and pulling position of the lifting pipe flexibly according to requirements on the premise of guaranteeing smooth lifting and pulling of the lifting pipe so as to reduce the torsional moment when the lifting pipe is lifted by selecting the optimal lifting and pulling position, reduce the starting force value of the drain valve and achieve the labor-saving effect.
Description
Technical field
The present invention relates to bathroom field, particularly a kind of shift mechanism of drain valve.
Background technology
The shift mechanism of existing drain valve generally comprises button, depression bar 41 ＇, connecting rod 42 ＇, lifts arm 32 ＇, riser 3 ＇,
As shown in figure 1, pressing keys, one end of button pressed depression bar 41 ＇, the other end of depression bar 41 ＇ has been lifted up and has been pulled connecting rod 42 ＇ upwards
Motion, arm 34 ＇ that lifts that connecting rod 42 ＇ passes through horizontally set pulls riser 3 ＇ to move upwardly together, riser 3 ＇ and valve body 1 ＇
Guiding coordinates and drives shifting on valve disc 31 ＇ to open the discharge outlet of drain valve, realizes drainage procedure.
In above-mentioned prior art, the link-type shift mechanism being made up of depression bar 41 ＇ and connecting rod 42 ＇ is guaranteeing smoothly to carry
On the premise of drawing riser 3 ＇, riser 3 ＇ lifting position to riser 3 ＇ lateral separation need to have certain length it is impossible to
Meaning shortens this lateral separation, thus the more difficult lifting position flexibly selecting as needed to riser 3 ＇, lifting position is limited
System.
Content of the invention
The present invention is to solve the above problems to provide a kind of shift mechanism of drain valve, and it can make shift mechanism ensure
The lifting position to riser can more neatly be selected as needed on the premise of smooth lifting riser.
For achieving the above object, the technical solution used in the present invention is：A kind of shift mechanism of drain valve, is arranged at draining
In the valve body of valve, for the starting element transmission cooperation with drain valve to lift the riser that activity is installed in described valve body,
It is connected with, on described riser, the valve disc matching with the discharge outlet of described drain valve, this shift mechanism at least includes connecting rod I He
Connecting rod II, described connecting rod I is articulated in described valve body and is driven cooperation with described starting element, and one end of described connecting rod I is articulated in
Part between the first end of described connecting rod II and the second end, described connecting rod II is pulled by described connecting rod I and around described connecting rod II
First end while rotate the first end described valve body relatively of described connecting rod II formed and allow Bit Shift, the second of described connecting rod II
End pulls described riser.
Preferably, the displacement that Bit Shift is horizontal direction that what the first end of described connecting rod II described valve body relatively was formed allow.
Preferably, this shift mechanism also includes the fork that one end is articulated in described valve body, and the first end of described connecting rod II is led to
Cross and be articulated cooperation with the other end of described fork, so that described connecting rod II is pulled by described connecting rod I and around described connecting rod II
First end while rotate the relatively described valve body of first end of described connecting rod II there is the Bit Shift that allows of horizontal direction.
Preferably, described valve body is provided with the chute of a lateral arrangement, and the first end of described connecting rod II is in described chute
Slide and rotate, so that described connecting rod II is pulled by described connecting rod I and the first end rotation while institute around described connecting rod II
The relatively described valve body of first end stating connecting rod II has the Bit Shift that allows of horizontal direction.
Preferably, described riser is the vertical straight tube extending, the lifting position to described riser for the described shift mechanism
It is arranged on the riser of described vertical extension or transversely near the position of described riser.
Preferably, described riser is provided with and guides cooperation and the guide part that is arranged symmetrically with described valve body phase, described carries
Drawing mechanism is arranged at the mid range on described riser top to the lifting position of described riser.
Preferably, the second end of described connecting rod II is directly mounted on or is articulated on described riser, or, described connecting rod
II lifts described riser by a connecting rod III.
Preferably, described connecting rod I has first end and the second end, and the first end of described connecting rod I is passed with described starting element
Dynamic cooperation, second end of described connecting rod I is articulated in the part between the first end of described connecting rod II and the second end, described bar I's
Part between first end and the second end is articulated on described valve body.
Preferably, described connecting rod I has first end and the second end, and the first end of described connecting rod I is articulated on described valve body,
Part between the first end of described bar I and the second end is driven cooperation, the second end pivot joint of described connecting rod I with described starting element
Part between the first end of described connecting rod II and the second end.
Preferably, described connecting rod I is frame component, and wherein one relative both sides of described frame component are respectively described company
The first end of bar I and the second end, the hollow bulb of four skirt one-tenth of described frame component allows when described riser is raised
Position.
Compare the scheme of background technology, the invention has the beneficial effects as follows：
The shift mechanism of the present invention can more neatly select to lifting on the premise of ensureing smooth lifting riser as needed
The lifting position of pipe, so that lifting position is unrestricted, makes lifting lifting so as to preferably lift position by selection
Torsional moment during pipe reduces, thus the unlatching force value of drain valve can be reduced, reaches labour-saving effect.Particularly, work as pulling machine
Structure is arranged on the riser of vertical extension or transversely near the position of described riser to the lifting position of described riser
When, the side force that riser is subject to can be made to reduce, thus the torsional moment of shift mechanism can be reduced further.
Brief description
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the present invention, this
Bright schematic description and description is used for explaining the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the assembling figure of button, shift mechanism and the riser of prior art；
Fig. 2 is the three-dimensional assembly diagram of first embodiment of the invention button, shift mechanism and riser；
Fig. 3 is three-dimensional semi-cutaway during first embodiment of the invention original state；
Fig. 4 is three-dimensional semi-cutaway during first embodiment of the invention hull-borne；
Fig. 5 is the three-dimensional assembly diagram of second embodiment of the invention button, shift mechanism and riser；
Fig. 6 is generalized section during second embodiment of the invention original state；
Fig. 7 is generalized section during second embodiment of the invention hull-borne；
Reference corresponds to：
1/1 ＇-valve body；11- chute；2- starting element；3/3 ＇-riser；31/31 ＇-valve disc；32 ＇-lift arm；33- hangs
Platform；4- shift mechanism；41/41 ＇-connecting rod I；The first end of 411- connecting rod I；Second end of 412- connecting rod I；In 413- connecting rod I
Portion；42/42 ＇-connecting rod II；The first end of 421- connecting rod II；Second end of 422- connecting rod II；The middle part of 423- connecting rod II；5- puts
Bar；The first end of 51- fork, the second end of 52- fork.
Specific embodiment
As Fig. 2 to Fig. 4, Fig. 2 to Fig. 4 depicts a kind of shift mechanism 4 of drain valve of the present invention first enforcement, drain valve
Including valve body 1, starting element 2, riser 3 and shift mechanism 4, this shift mechanism 4 is arranged in the valve body 1 of drain valve, is used for
Starting element 2 transmission cooperation with drain valve is to lift the riser 3 that activity is installed in valve body 1, the starting element 2 of this enforcement
For button, key activities are installed in the key base that valve body 1 top is provided with, and the bottom of riser 3 is connected with and drain valve
The valve disc 31 that discharge outlet matches, starting element 2 lifts riser 3 upwards by shift mechanism 4 and then drives valve disc 31 upwards
Discharge outlet that is mobile and opening drain valve realizes draining.Shift mechanism 4 at least includes connecting rod I 41 and connecting rod II 42, and connecting rod I41 has
There are first end 411 and the second end 412, connecting rod II 42 has first end 4211 and the second end 422, connecting rod I 41 in the present embodiment
First end 411 is articulated in valve with starting element 2 transmission cooperation, the part between the first end 411 of connecting rod I 41 and the second end 412
Body 1, the second end of connecting rod I 41 is articulated in the part between the first end 421 of connecting rod II 42 and the second end 422, connecting rod II 42 quilt
Connecting rod I 41 pulls and first end 421 valve body 1 relatively around connecting rod II 42 while first end 421 rotation of connecting rod II 42 is formed
Allow Bit Shift, the second end 422 of connecting rod II 42 pulls up riser 3.Such shift mechanism 4 is ensureing smooth lifting lifting
The lifting position to riser 3 can more neatly be selected as needed, thus being on the one hand easy to shift mechanism 4 on the premise of pipe 3
On the other hand shift mechanism 4, can be located proximate to riser 3 to the lifting of riser 3 and arrange by the space layout in valve body 1
Or be set directly on riser 3, the benefit of so design is to make the torsional moment when lifting riser 3 for the shift mechanism 4
Reduce, and then reduce the unlatching force value of drain valve, reach labour-saving effect.
Preferably, make connecting rod II first end 421 valve body 1 relatively formed described in allow the position that Bit Shift is horizontal direction
Move, specifically, the present embodiment is the Bit Shift that allows realizing described horizontal direction using following structure：This shift mechanism 4 also includes
Fork 5, fork 5 has first end 51 and the second end 52, and the first end 51 of fork 5 is articulated in valve body 1, the first end of connecting rod II
421 are articulated cooperation with the second end 52 of fork 5, are articulated with the second end 52 of fork 5 by making the first end 421 of connecting rod II
Cooperation so that connecting rod II 42 pulled by connecting rod I 41 and around the first end 421 of described connecting rod II rotate while connecting rod II the
One end 421 valve body 1 relatively has the Bit Shift that allows of horizontal direction.
In the present embodiment, riser 3 is the vertical straight tube extending, and shift mechanism 4 is arranged to the lifting position of riser 3
Position on the riser 3 vertically extending or near riser 3, and in the prior art shown in Fig. 1, connecting rod 42 ＇ with lift arm
The link position of 34 ＇ is typically all disposed within riser 3 ＇ side in the horizontal and deviates riser 3 ＇ remote position, in such as Fig. 1
Shown connecting rod 42 ＇ is L with the distance between center line of link position to riser 3 ＇ lifting arm 34 ＇, and L gets over senior general and leads to depression bar
The torsional moment of 41 ＇ is larger, and the pressing force ultimately resulting in drain valve button increases, and affects experience, with respect to background technology,
The present embodiment will be directly arranged on riser 3 or is positioned close to energy at the position of riser 3 to the lifting position of riser 3
The torsional moment when lifting riser 3 for the shift mechanism 4 is reduced, reaches startup labour-saving purpose.Preferably, riser 3
It is provided with and mutually guides cooperation and the guide part being arranged symmetrically with valve body 1, the guide part of the present embodiment is to be arranged on riser 3 relatively
The guiding rib of both sides, shift mechanism 4 is arranged at the mid range on riser 3 top to the lifting position of riser 3, most preferably
Be by shift mechanism 4 to riser 3 lifting position on the centrage of riser 3, so, riser 3 can be made more
Evenly it is raised, labor-saving effect is more preferable.
In the present embodiment, the second end 421 of connecting rod II is directly mounted on the hanging platform center that riser 3 top is provided with, certainly,
Second end 421 of connecting rod II can also be pivoted directly on riser 3, or, connecting rod II 42 can also be passed by a connecting rod III 3
Dynamic lifting riser 3.
Additionally, the connecting rod I 41 of the present embodiment is frame component, wherein one relative both sides of frame component are respectively connecting rod
I 41 first end 411 and the second end 412, other one relative both sides of frame component are symmetrically articulated on valve body 1, this enforcement
Example is articulated on valve body 1 using by the middle part 413 of connecting rod I 41, and the hollow bulb that four skirt of frame component become is carried to riser 3
Stepped down when rising, the inner space of valve body can be saved.
It is readily apparent that, as a kind of simple transformation, can also adopt and the first end 411 of connecting rod I is articulated in valve body 1
On, part between the first end 411 of connecting rod I and the second end 412 and starting element 2 transmission cooperation, that is, make connecting rod I41 around
The first end 411 of connecting rod I rotates, part between the first end 411 of connecting rod I and the second end 412 for starting element 2 applying power,
The second end 412 that equally also can make connecting rod I41 pulls connecting rod II 42.
It should be noted that starting element 2, except being press-key structure or structure of tow line, is drawn by drawstring
Dynamic connecting rod I 41 makes connecting rod I 41 rotate, and is also so feasible.
During drainage works, as shown in figure 4, started by press element 2, starting element 2 is pressed downward the first end 411 of connecting rod I 41,
Connecting rod I 41 413 rotation in the middle part of it, moves upwards and lifts the middle part 423 of connecting rod II, thus carrying in the second end 412 of connecting rod I 41
Dynamic connecting rod II 42 rotates around the first end 421 of connecting rod II, and meanwhile, connecting rod II 42 first end 421 promotes fork 5 to make fork
5 swing resigning by a small margin, so that first end 421 valve body 1 relatively of connecting rod II 42 forms the Bit Shift that allows of horizontal direction, even
Bar II 42 rotate back link II 42 the second end 422 lift riser 3 upwards, valve disc 31 under the drive of riser 3 on move and
Open discharge outlet, realize draining, because the lifting position of this II 42 pairs of riser 3 of connecting rod is on riser 3, using this lifting
Mechanism 4 can make during lifting riser 3, the moment of torsion of riser 3 to be substantially reduced, that is, riser 3 is not almost subject to
To side force, riser 3 is subject to lifting power straight up all the time, greatly reduces the torsion of shift mechanism 4 compared to existing technology
Square, thus can reach the pressing force value saving starting element 2, user experience is more preferable.
After draining terminates, the reseting procedure of shift mechanism 4 and riser 3 is contrary with said process, here no longer specifically
Bright.
As illustrated in figs. 5-7, Fig. 5 to Fig. 7 depicts a kind of shift mechanism 4 of drain valve of the present invention second enforcement, and it is
A kind of simple transformation of first embodiment, the difference from first embodiment for the present embodiment is：First embodiment is by setting
Put the Bit Shift that allows that fork 5 forms horizontal direction first end 421 valve body 1 relatively to realize connecting rod II 42, and the present embodiment is
By arranging what the chute 11 of lateral arrangement was realized on valve body 1, the present embodiment makes the first end 421 of connecting rod II 42 in chute
Slide in 11 and rotate so that connecting rod II 42 lifted by connecting rod I 41 and around the first end 421 of connecting rod II rotate while even
First end 421 valve body 1 relatively of bar II forms the Bit Shift that allows of horizontal direction, and remaining not described structure is identical with embodiment one,
So also enable the purpose of the present invention, simple and reliable for structure.
During the present embodiment drainage works, as shown in fig. 7, started by press element 2, starting element 2 is pressed downward the of connecting rod I 41
One end 411, connecting rod I 41 413 rotation in the middle part of it, the second end 412 of connecting rod I 41 pulls up the middle part 423 of connecting rod II 42 simultaneously,
Thus drivening rod II 42 rotates around the first end 421 of connecting rod II 42, meanwhile, connecting rod II 42 first end 421 is first from chute
11 one end moves to the other end of chute 11, so that first end 421 valve body 1 relatively of connecting rod II 42 has horizontal direction
Allow Bit Shift, after resigning, connecting rod II 42 first end 421 returns to one end of chute 11, connecting rod II again from the other end of chute 11
42 rotation back links II 42 the second ends 422 lift riser 3 upwards, valve disc 31 under the drive of riser 3 on move and open
Discharge outlet, realizes draining, because the lifting position of this II 42 pairs of riser 3 of connecting rod is on riser 3, using this shift mechanism
4 can make during lifting riser 3, the moment of torsion of riser 3 to be substantially reduced, that is, riser 3 is almost not affected by side
Xiang Li, riser 3 is subject to lifting power straight up all the time, greatly reduces the moment of torsion of shift mechanism 4 compared to existing technology, from
And can reach the pressing force value saving starting element 2, user experience is more preferable.
After draining terminates, the reseting procedure of shift mechanism 4 and riser 3 is contrary with said process, here no longer specifically
Bright.
Above-described be only the present invention principle and preferred embodiment.It should be pointed out that the common skill for this area
For art personnel, on the basis of the principle of the invention, some other modifications can also be made, also should be regarded as the protection model of the present invention
Enclose.
Claims (10)
1. a kind of shift mechanism of drain valve, is arranged in the valve body of drain valve, joins for the starting element transmission with drain valve
Close to lift the riser that activity is installed in described valve body, described riser is connected with the discharge outlet phase with described drain valve
It is characterised in that this shift mechanism at least includes connecting rod I and connecting rod II, described connecting rod I is articulated in described valve body to the valve disc of cooperation
And it is driven cooperation with described starting element, one end of described connecting rod I is articulated between first end and second end of described connecting rod II
Part, described connecting rod II pulled by described connecting rod I and around the first end of described connecting rod II rotate while described connecting rod II
First end described valve body relatively forms and allows Bit Shift, and the second end of described connecting rod II pulls described riser.
2. a kind of shift mechanism of drain valve according to claim 1 is it is characterised in that the first end phase of described connecting rod II
The displacement that Bit Shift is horizontal direction that allows to the formation of described valve body.
3. a kind of shift mechanism of drain valve according to claim 2 is it is characterised in that this shift mechanism also includes one end
It is articulated in the fork of described valve body, the first end of described connecting rod II is articulated cooperation by the other end with described fork, so that
Obtain described connecting rod II to be pulled by described connecting rod I and the first end around described connecting rod II while the first end rotation of described connecting rod II
Relatively described valve body has the Bit Shift that allows of horizontal direction.
4. a kind of drain valve according to claim 2 shift mechanism it is characterised in that described valve body to be provided with one horizontal
The chute of arrangement, the first end of described connecting rod II is slided in described chute and is rotated, so that described connecting rod II is by described company
Bar I pulls and the relatively described valve body of first end around described connecting rod II while the first end rotation of described connecting rod II has laterally
Direction allow Bit Shift.
5. a kind of shift mechanism of the drain valve according to Claims 1-4 any one is it is characterised in that described lifting
Manage the straight tube for vertical extension, described shift mechanism is arranged at the lifting of described vertical extension to the lifting position of described riser
On pipe or transversely near the position of described riser.
6. a kind of shift mechanism of drain valve according to claim 5 is it is characterised in that described riser is provided with and institute
State the guiding cooperation of valve body phase and the guide part being arranged symmetrically, described shift mechanism is arranged at institute to the lifting position of described riser
State at the mid range on riser top.
7. the drain valve with link-type shift mechanism according to claim 1 it is characterised in that described connecting rod II
Two ends are directly mounted on or are articulated on described riser, or, described connecting rod II lifts described riser by a connecting rod III.
8. a kind of shift mechanism of drain valve according to claim 1 is it is characterised in that described connecting rod I has first end
With the second end, the first end of described connecting rod I and the transmission cooperation of described starting element, second end of described connecting rod I is articulated in described
Part between the first end of connecting rod II and the second end, the part between the first end of described bar I and the second end is articulated in described
On valve body.
9. a kind of shift mechanism of drain valve according to claim 1 is it is characterised in that described connecting rod I has first end
With the second end, the first end of described connecting rod I is articulated on described valve body, the part between the first end of described bar I and the second end
It is driven cooperation with described starting element, second end of described connecting rod I is articulated between first end and second end of described connecting rod II
Part.
10. a kind of shift mechanism of the drain valve according to claim 7 or 8 is it is characterised in that described connecting rod I is shaped as frame
Component, wherein one relative both sides of described frame component are respectively first end and second end of described connecting rod I, described shaped as frame structure
The hollow bulb that four skirt of part become is stepped down when described riser is raised.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611051603.XA CN106436847B (en) | 2016-11-24 | 2016-11-24 | Lifting mechanism of drain valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611051603.XA CN106436847B (en) | 2016-11-24 | 2016-11-24 | Lifting mechanism of drain valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106436847A true CN106436847A (en) | 2017-02-22 |
| CN106436847B CN106436847B (en) | 2022-05-17 |
Family
ID=58218508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611051603.XA Active CN106436847B (en) | 2016-11-24 | 2016-11-24 | Lifting mechanism of drain valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106436847B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4130406A4 (en) * | 2020-04-30 | 2023-08-30 | Xiamen R&T Plumbing Technology Co., Ltd. | Water discharge valve connecting rod drive mechanism and water discharge valve having said mechanism |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203346980U (en) * | 2013-07-02 | 2013-12-18 | 厦门瑞尔特卫浴科技股份有限公司 | Opening mechanism of drainage valve |
| CN204676662U (en) * | 2015-05-26 | 2015-09-30 | 厦门瑞尔特卫浴科技股份有限公司 | A kind of draining valve actuating mechanism and there is the draining valve of this structure |
| CN206529857U (en) * | 2016-11-24 | 2017-09-29 | 厦门瑞尔特卫浴科技股份有限公司 | A kind of shift mechanism of draining valve |
-
2016
- 2016-11-24 CN CN201611051603.XA patent/CN106436847B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203346980U (en) * | 2013-07-02 | 2013-12-18 | 厦门瑞尔特卫浴科技股份有限公司 | Opening mechanism of drainage valve |
| CN204676662U (en) * | 2015-05-26 | 2015-09-30 | 厦门瑞尔特卫浴科技股份有限公司 | A kind of draining valve actuating mechanism and there is the draining valve of this structure |
| CN206529857U (en) * | 2016-11-24 | 2017-09-29 | 厦门瑞尔特卫浴科技股份有限公司 | A kind of shift mechanism of draining valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4130406A4 (en) * | 2020-04-30 | 2023-08-30 | Xiamen R&T Plumbing Technology Co., Ltd. | Water discharge valve connecting rod drive mechanism and water discharge valve having said mechanism |
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| Publication number | Publication date |
|---|---|
| CN106436847B (en) | 2022-05-17 |
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