CN106436847B - Lifting mechanism of drain valve - Google Patents
Lifting mechanism of drain valve Download PDFInfo
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- CN106436847B CN106436847B CN201611051603.XA CN201611051603A CN106436847B CN 106436847 B CN106436847 B CN 106436847B CN 201611051603 A CN201611051603 A CN 201611051603A CN 106436847 B CN106436847 B CN 106436847B
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- connecting rod
- lifting
- valve body
- lifting mechanism
- pipe
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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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- 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 mechanism of a drain valve, which is arranged in a valve body of the drain valve and is used for being in transmission fit with a starting element of the drain valve to lift a lifting pipe movably arranged in the valve body, and a valve disc matched with a water outlet of the drain valve is fixedly connected on the lifting pipe, and is characterized in that the lifting mechanism at least comprises a connecting rod I and a connecting rod II, wherein the connecting rod I is pivoted on the valve body and is in transmission fit with the starting element, one end of the connecting rod I is pivoted on a part between a first end and a second end of the connecting rod II, the connecting rod II is pulled by the connecting rod I to rotate around the first end of the connecting rod II, meanwhile, the first end of the connecting rod II forms abdicating displacement relative to the valve body, the second end of the connecting rod II pulls the lifting pipe, the lifting mechanism can flexibly select the lifting position of the lifting pipe according to requirements on the premise of ensuring the lifting pipe to be smoothly lifted, thereby reducing the twisting moment when the lifting pipe is lifted by selecting the better lifting position, thereby reducing the opening force value of the drain valve and achieving the effect of saving labor.
Description
Technical Field
The invention relates to the field of bathrooms, in particular to a lifting mechanism of a drain valve.
Background
The lifting mechanism of the existing drain valve generally comprises a key, a pressure lever 41 ', a connecting rod 42 ', a lifting arm 32 ' and a lifting pipe 3 ', as shown in fig. 1, the key is pressed, one end of the pressure lever 41 ' is pressed by the key, the other end of the pressure lever 41 ' is raised and pulls the connecting rod 42 ' to move upwards, the connecting rod 42 ' pulls the lifting pipe 3 ' to move upwards together through the lifting arm 34 ' which is transversely arranged, the lifting pipe 3 ' is in guide fit with the valve body 1 ' and drives the valve disc 31 ' to move upwards to open a drain outlet of the drain valve, and the drainage process is realized.
In the prior art, on the premise that the connecting rod type lifting mechanism composed of the pressing rod 41 'and the connecting rod 42' can ensure that the lifting pipe 3 'can be lifted more smoothly, the transverse distance from the lifting position of the lifting pipe 3' to the lifting pipe 3 'needs to have a certain length, and the transverse distance cannot be shortened at will, so that the lifting position of the lifting pipe 3' is difficult to be flexibly selected as required, and the lifting position is limited.
Disclosure of Invention
The invention provides a lifting mechanism of a drain valve for solving the problems, which can enable the lifting mechanism to flexibly select the lifting position of a lifting pipe according to the requirement on the premise of ensuring the lifting pipe to be smoothly lifted.
In order to achieve the purpose, the invention adopts the technical scheme that: a lifting mechanism of a drain valve is arranged in a valve body of the drain valve and used for being in transmission fit with a starting element of the drain valve to lift a lifting pipe movably arranged in the valve body, a valve disc matched with a water outlet of the drain valve is fixedly connected to the lifting pipe, the lifting mechanism at least comprises a connecting rod I and a connecting rod II, the connecting rod I is pivoted to the valve body and is in transmission fit with the starting element, one end of the connecting rod I is pivoted to a part between a first end and a second end of the connecting rod II, the connecting rod II is pulled by the connecting rod I to wind the first end of the connecting rod II to rotate, meanwhile, the first end of the connecting rod II is opposite to the valve body to form abdicating displacement, and the second end of the connecting rod II pulls the lifting pipe.
Preferably, the first end of the connecting rod II is displaced in the transverse direction relative to the abdicating displacement formed by the valve body.
Preferably, the lifting mechanism further comprises a swing rod with one end pivoted to the valve body, and the first end of the connecting rod II is in pivot joint with the other end of the swing rod, so that the connecting rod II is pulled by the connecting rod I to rotate around the first end of the connecting rod II, and meanwhile, the first end of the connecting rod II has abdicating displacement in the transverse direction relative to the valve body.
Preferably, be equipped with a horizontal arrangement's spout on the valve body, the first end of connecting rod II is in slide and rotate in the spout, so that connecting rod II is by I pulling of connecting rod and wind the first end of connecting rod II is in the time of the first end pivoted the first end of connecting rod II is relative the valve body has the displacement of stepping down of horizontal direction.
Preferably, the riser is a vertically extending straight tube, and the lifting position of the lifting mechanism to the riser is arranged on the vertically extending riser or at a position laterally close to the riser.
Preferably, the lifting pipe is provided with guide parts which are matched with the valve body in a guide way and are symmetrically arranged, and the lifting position of the lifting pipe by the lifting mechanism is arranged in the middle range of the upper part of the lifting pipe.
Preferably, the second end of the connecting rod II is directly hung or pivoted on the lifting pipe, or the connecting rod II lifts the lifting pipe through a connecting rod III.
Preferably, the connecting rod I has a first end and a second end, the first end of the connecting rod I is in transmission fit with the actuating element, the second end of the connecting rod I is pivoted to a portion between the first end and the second end of the connecting rod ii, and the portion between the first end and the second end of the connecting rod I is pivoted to the valve body.
Preferably, the connecting rod I has a first end and a second end, the first end of the connecting rod I is pivoted on the valve body, a part between the first end and the second end of the connecting rod I is in transmission fit with the starting element, and the second end of the connecting rod I is pivoted on a part between the first end and the second end of the connecting rod ii.
Preferably, the connecting rod I is a frame-shaped member, two opposite sides of the frame-shaped member are respectively a first end and a second end of the connecting rod I, and a hollow part surrounded by four sides of the frame-shaped member gives way when the lifting pipe is lifted.
Compared with the scheme of the background technology, the invention has the beneficial effects that:
the lifting mechanism can flexibly select the lifting position of the lifting pipe according to the requirement on the premise of ensuring that the lifting pipe is lifted smoothly, so that the lifting position is not limited, the torsion moment when the lifting pipe is lifted can be reduced by selecting the better lifting position, the opening force value of the drain valve can be reduced, and the effect of saving labor is achieved. In particular, when the lifting position of the lifting mechanism for the lifting pipe is arranged on the vertically extending lifting pipe or is close to the lifting pipe in the transverse direction, the lateral force applied to the lifting pipe can be reduced, and the torsion moment of the lifting mechanism can be further reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is an assembly view of a push button, a lift mechanism and a riser tube of the prior art;
FIG. 2 is a perspective assembly view of the key, the lifting mechanism and the lift tube of the first embodiment of the present invention;
FIG. 3 is a perspective semi-sectional view of the first embodiment of the present invention in its initial state;
FIG. 4 is a perspective half sectional view of the first embodiment of the present invention in a drainage state;
FIG. 5 is a perspective assembly view of a key, a lift mechanism and a lift tube in accordance with a second embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of a second embodiment of the present invention in an initial state;
FIG. 7 is a schematic sectional view showing a drainage state of the second embodiment of the present invention;
the reference numerals correspond to:
1/1' -a valve body; 11-a chute; 2-an actuating element; 3/3' -riser tube; 31/31' -a valve disc; 32' -lifting the boom; 33-hanging a table; 4-a lifting mechanism; 41/41' -connecting rod I; 411-the first end of link I; 412-a second end of link I; 413-the middle of the connecting rod I; 42/42' -link II; 421-the first end of link II; 422-the second end of the connecting rod II; 423-middle part of link II; 5-oscillating bar; 51-a first end of the rocker and 52-a second end of the rocker.
Detailed Description
As shown in fig. 2 to 4, fig. 2 to 4 illustrate a lifting mechanism 4 of a drain valve according to a first embodiment of the present invention, the drain valve includes a valve body 1, a starting element 2, a lift pipe 3 and the lifting mechanism 4, the lifting mechanism 4 is disposed in the valve body 1 of the drain valve, and is used for being in transmission fit with the starting element 2 of the drain valve to lift the lift pipe 3 movably disposed in the valve body 1, the starting element 2 of this embodiment is a key, the key is movably disposed in a key seat disposed on the top of the valve body 1, the bottom end of the lift pipe 3 is fixedly connected with a valve disc 31 matched with a drain port of the drain valve, and the starting element 2 lifts the lift pipe 3 upwards through the lifting mechanism 4 to drive the valve disc 31 to move upwards to open the drain port of the drain valve to achieve water drainage. The pulling mechanism 4 at least comprises a connecting rod I41 and a connecting rod II 42, the connecting rod I41 is provided with a first end 411 and a second end 412, the connecting rod II 42 is provided with a first end 4211 and a second end 422, the first end 411 of the connecting rod I41 is in transmission fit with the starting element 2 in the embodiment, the part between the first end 411 and the second end 412 of the connecting rod I41 is pivoted on the valve body 1, the second end of the connecting rod I41 is pivoted on the part between the first end 421 and the second end 422 of the connecting rod II 42, the connecting rod II 42 is pulled by the connecting rod I41 to rotate around the first end 421 of the connecting rod II 42, simultaneously, the first end 421 of the connecting rod II 42 forms abdicating displacement relative to the valve body 1, and the second end 422 of the connecting rod II 42 pulls the lifting pipe 3 upwards. Such lifting mechanism 4 can select the lifting position of the lifting pipe 3 more flexibly as required on the premise of ensuring that the lifting pipe 3 is lifted smoothly, thereby being convenient for the spatial layout of the lifting mechanism 4 in the valve body 1 on the one hand, and on the other hand, the lifting position of the lifting mechanism 4 to the lifting pipe 3 can be arranged close to the lifting pipe 3 or directly arranged on the lifting pipe 3, so that the design has the advantages that the torsion moment of the lifting mechanism 4 when the lifting pipe 3 is lifted is reduced, the opening force value of the drain valve is further reduced, and the effect of saving labor is achieved.
Preferably, the abdicating displacement formed by the first end 421 of the connecting rod ii relative to the valve body 1 is a displacement in a transverse direction, specifically, the present embodiment adopts the following structure to realize the abdicating displacement in the transverse direction: the lifting mechanism 4 further comprises a swing rod 5, the swing rod 5 is provided with a first end 51 and a second end 52, the first end 51 of the swing rod 5 is pivoted to the valve body 1, the first end 421 of the connecting rod II is pivoted and matched with the second end 52 of the swing rod 5, and the first end 421 of the connecting rod II is pivoted and matched with the second end 52 of the swing rod 5, so that the connecting rod II 42 is pulled by the connecting rod I41 to rotate around the first end 421 of the connecting rod II, and meanwhile, the first end 421 of the connecting rod II has transverse yielding displacement relative to the valve body 1.
In this embodiment, the lift pipe 3 is a vertically extending straight pipe, the lifting position of the lifting mechanism 4 to the lift pipe 3 is set on the vertically extending lift pipe 3 or at a position close to the lift pipe 3, while in the prior art shown in fig. 1, the connecting position of the connecting rod 42 'and the lifting arm 34' is generally set on one side of the lift pipe 3 'in the transverse direction and is far away from the lift pipe 3', as shown in fig. 1, the distance from the connecting position of the connecting rod 42 'and the lifting arm 34' to the center line of the lift pipe 3 'is L, the larger L will result in a larger torsional moment of the pressing rod 41', and finally result in an increased pressing force of the button of the drain valve, which affects the use experience, compared with the background art, the present embodiment sets the lifting position to the lift pipe 3 directly on the lift pipe 3 or at a position close to the lift pipe 3, so that the torsional moment of the lifting mechanism 4 when lifting the lift pipe 3 is reduced, the aim of saving labor in starting is achieved. Preferably, the riser 3 is provided with guide portions which are in guide fit with the valve body 1 and are symmetrically arranged, the guide portions of the embodiment are guide ribs arranged on two opposite sides of the riser 3, the lifting position of the lifting mechanism 4 to the riser 3 is arranged in the middle range of the upper portion of the riser 3, and the best is that the lifting position of the lifting mechanism 4 to the riser 3 is arranged on the central line of the riser 3, so that the riser 3 can be lifted more balance, and the labor-saving effect is better.
In this embodiment, the second end 421 of the connecting rod ii is directly hung at the center of the hanging platform arranged at the top of the lift pipe 3, and of course, the second end 421 of the connecting rod ii may also be directly pivoted on the lift pipe 3, or the connecting rod ii 42 may also be driven by a connecting rod iii 3 to lift the lift pipe 3.
In addition, the connecting rod i41 of the present embodiment is a frame-shaped member, two opposite sides of the frame-shaped member are the first end 411 and the second end 412 of the connecting rod i41, respectively, and the other two opposite sides of the frame-shaped member are symmetrically pivoted on the valve body 1, in the present embodiment, the middle part 413 of the connecting rod i41 is pivoted on the valve body 1, and the hollow part surrounded by the four sides of the frame-shaped member is set aside when the lifting pipe 3 is lifted, so that the internal space of the valve body can be saved.
As a simple alternative, it is conceivable to pivot the first end 411 of the link I to the valve body 1, and to engage the actuating element 2 in a driving manner in the section between the first end 411 and the second end 412 of the link I, i.e. to rotate the link I41 about the first end 411 of the link I, the actuating element 2 exerting a force on the section between the first end 411 and the second end 412 of the link I, and likewise enabling the second end 412 of the link I41 to pull the link II 42.
It should be noted that the actuating element 2 may be a push button structure or a pull rope structure, and it is also possible that the link i41 is rotated by pulling the link i41 through the pull rope.
When the water discharging operation is performed, as shown in fig. 4, the starting element 2 is pressed, the starting element 2 presses the first end 411 of the connecting rod i41 downwards, the connecting rod i41 rotates around the middle portion 413 thereof, the second end 412 of the connecting rod i41 moves upwards and lifts the middle portion 423 of the connecting rod ii, so as to drive the connecting rod ii 42 to rotate around the first end 421 of the connecting rod ii, meanwhile, the first end 421 of the connecting rod ii 42 pushes the swing rod 5 to swing and yield the swing rod 5 by a small amplitude, so that the first end 421 of the connecting rod ii 42 forms a yielding displacement in a transverse direction relative to the valve body 1, after the connecting rod ii 42 rotates, the second end 422 of the connecting rod ii 42 lifts the lift pipe 3 upwards, the valve disc 31 moves upwards under the driving of the lift pipe 3 to open the water outlet, so as to achieve water discharging, because the lifting position of the connecting rod ii 42 to the lift pipe 3 is located on the lift pipe 3, the torque to the lift pipe 3 can be greatly reduced by using the lifting mechanism 4 in the process of lifting pipe 3, that is, the riser 3 hardly receives the yawing force, and the riser 3 receives vertical ascending pulling force all the time, compares prior art greatly reduced and carried the moment of torsion of pulling the mechanism 4 to can reach the pressing force value of sparingly starting element 2, the user uses and experiences better.
After the drainage is finished, the resetting process of the lifting mechanism 4 and the lifting pipe 3 is opposite to the above process, and the detailed description is omitted.
As shown in fig. 5 to 7, fig. 5 to 7 show a lifting mechanism 4 of a water discharge valve according to a second embodiment of the present invention, which is a simple modification of the first embodiment, and the present embodiment is different from the first embodiment in that: the first embodiment is realized by arranging the swing rod 5 to enable the first end 421 of the connecting rod ii 42 to form yielding displacement in the transverse direction relative to the valve body 1, the embodiment is realized by arranging the sliding groove 11 which is transversely arranged on the valve body 1, the embodiment enables the first end 421 of the connecting rod ii 42 to slide and rotate in the sliding groove 11, so that the connecting rod ii 42 is pulled by the connecting rod i41 to rotate around the first end 421 of the connecting rod ii, meanwhile, the first end 421 of the connecting rod ii forms yielding displacement in the transverse direction relative to the valve body 1, and other structures which are not described are the same as those in the first embodiment.
In the drainage operation of this embodiment, as shown in fig. 7, when the starting element 2 is pressed, the starting element 2 presses the first end 411 of the link i41 downwards, the link i41 rotates around the middle portion 413 thereof, and the second end 412 of the link i41 pulls the middle portion 423 of the link ii 42 upwards, so as to drive the link ii 42 to rotate around the first end 421 of the link ii 42, and at the same time, the first end 421 of the link ii 42 moves from one end of the chute 11 to the other end of the chute 11 first, so that the first end 421 of the link ii 42 has a yielding displacement in the transverse direction relative to the valve body 1, after the yielding, the first end 421 of the link ii 42 returns to one end of the chute 11 from the other end of the chute 11, after the link ii 42 rotates, the second end 422 of the link ii 42 lifts the riser 3 upwards, the valve disc 31 moves upwards under the driving of the riser 3 to open the drainage port, and drainage is realized, because the lifting position of the riser 3 by the link ii 42 is on the riser 3, adopt this to carry and draw mechanism 4 can make the moment of torsion greatly reduced to riser 3 at the in-process of mentioning riser 3, promptly, riser 3 does not receive the yawing force almost, and riser 3 receives vertical ascending pulling force all the time, compares prior art greatly reduced and has carried the moment of torsion of drawing mechanism 4 to can reach the pressing force value of sparingly starting element 2, user uses and experiences better.
After the drainage is finished, the resetting process of the lifting mechanism 4 and the lifting pipe 3 is opposite to the above process, and the detailed description is omitted.
The foregoing is considered as illustrative only of the principles and preferred embodiments of the invention. It should be noted that, for those skilled in the art, several other modifications can be made on the basis of the principle of the present invention, and the protection scope of the present invention should be regarded.
Claims (7)
1. A lifting mechanism of a drain valve is arranged in a valve body of the drain valve and is used for being in transmission fit with a starting element of the drain valve to lift a lifting pipe movably arranged in the valve body, a valve disc matched with a water outlet of the drain valve is fixedly connected to the lifting pipe, and the lifting mechanism 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 fit with the starting element, one end of the connecting rod I is pivoted to a part between a first end and a second end of the connecting rod II, the connecting rod II is pulled by the connecting rod I to rotate around the first end of the connecting rod II, meanwhile, the first end of the connecting rod II forms abdicating displacement relative to the valve body, and the second end of the connecting rod II pulls the lifting pipe; the first end of the connecting rod II is displaced in the transverse direction relative to the abdicating displacement formed by the valve body;
the lifting mechanism further comprises a swing rod, one end of the swing rod is pivoted to the valve body, and the first end of the connecting rod II is in pivot joint with the other end of the swing rod in a matching mode, so that the connecting rod II is pulled by the connecting rod I to rotate around the first end of the connecting rod II, and meanwhile the first end of the connecting rod II has yielding displacement in the transverse direction relative to the valve body; alternatively, the first and second electrodes may be,
the valve body is provided with a transversely-arranged chute, the first end of the connecting rod II slides and rotates in the chute, so that the connecting rod II is pulled by the connecting rod I and winds the first end of the connecting rod II rotates, and meanwhile, the first end of the connecting rod II is opposite to the valve body and has abdication displacement in the transverse direction.
2. The lifting mechanism of a water drain valve according to claim 1, wherein the lifting pipe is a vertically extending straight pipe, and the lifting position of the lifting mechanism to the lifting pipe is arranged on the vertically extending lifting pipe or at a position laterally close to the lifting pipe.
3. The lifting mechanism of a drainage valve as claimed in claim 2, wherein the lifting tube is provided with a guide part which is matched with the valve body in a guiding way and is symmetrically arranged, and the lifting position of the lifting tube by the lifting mechanism is arranged in the middle range of the upper part of the lifting tube.
4. The drain valve with the link type lifting mechanism according to claim 1, wherein the second end of the link II is directly hung or pivoted on the lift pipe, or the link II lifts the lift pipe through a link III.
5. The lifting mechanism of a water drain valve according to claim 1, wherein the connecting rod I has a first end and a second end, the first end of the connecting rod I is in driving fit with the actuating element, the second end of the connecting rod I is pivoted to a portion between the first end and the second end of the connecting rod ii, and the portion between the first end and the second end of the connecting rod I is pivoted to the valve body.
6. The lifting mechanism of a water drain valve according to claim 1, wherein the connecting rod I has a first end and a second end, the first end of the connecting rod I is pivotally connected to the valve body, a portion between the first end and the second end of the connecting rod I is in transmission engagement with the actuating element, and the second end of the connecting rod I is pivotally connected to a portion between the first end and the second end of the connecting rod ii.
7. The lifting mechanism of a water drainage valve according to claim 4 or 5, wherein the connecting rod I is a frame-shaped member, two opposite sides of the frame-shaped member are respectively a first end and a second end of the connecting rod I, and a hollow part surrounded by four sides of the frame-shaped member gives way when the lifting pipe is lifted.
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 CN106436847A (en) | 2017-02-22 |
| CN106436847B true CN106436847B (en) | 2022-05-17 |
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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 |
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| Country | Link |
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| CN (1) | CN106436847B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212582820U (en) * | 2020-04-30 | 2021-02-23 | 厦门瑞尔特卫浴科技股份有限公司 | Connecting rod drive mechanism of drain valve and drain valve with same |
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 |
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| CN106436847A (en) | 2017-02-22 |
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