CN215487846U - Corrugated pipe stop valve capable of preventing backflow - Google Patents
Corrugated pipe stop valve capable of preventing backflow Download PDFInfo
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- CN215487846U CN215487846U CN202122149668.0U CN202122149668U CN215487846U CN 215487846 U CN215487846 U CN 215487846U CN 202122149668 U CN202122149668 U CN 202122149668U CN 215487846 U CN215487846 U CN 215487846U
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- baffle
- stop valve
- corrugated pipe
- valve body
- pipe stop
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Abstract
The utility model discloses a corrugated pipe stop valve capable of preventing backflow, and relates to the technical field of corrugated pipe stop valves.A baffle II is movably arranged in a guide hole on the right side of a corrugated pipe stop valve body and is movably attached to a baffle I; the first spring is sleeved on the part, located between the second baffle and the first limiting plate, of the first connecting rod; the second springs are sleeved on the parts, located between the first baffle and the second limiting plate, of the second connecting rods in a one-to-one corresponding mode; the second fixing plates which correspond up and down are respectively fixed in the corrugated pipe stop valve body at the positions on the left side of the second limiting plate; prevent long-pending liquid mechanism setting in bellows stop valve body inner chamber bottom, reasonable in design, inside is provided with backward flow and prevents the structure, avoids the backward flow.
Description
Technical Field
The utility model relates to the technical field of corrugated pipe stop valves, in particular to a corrugated pipe stop valve capable of preventing backflow.
Background
Bellows stop valve is one kind and carries out rivers check-out support equipment, bellows stop valve is the sealed valve of a compulsory type, exert force in order to reach the effect that does not leak when using, nowadays, people are bigger and bigger to the demand of water resource, just must use the valve to control when carrying out the water flow management, along with the continuous development of science and technology, people also are higher and higher to the manufacturing process requirement of bellows stop valve, present bellows stop valve has the backward flow to stop the structure mostly, when the transmission termination appears easily, liquid in the bellows stop valve can flow back to in the input tube.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects and shortcomings of the prior art, and provides a corrugated pipe stop valve capable of preventing backflow, which is reasonable in design, and is internally provided with a backflow stopping structure to avoid backflow.
In order to achieve the purpose, the utility model adopts the following technical scheme: it comprises the following steps:
the first baffle is movably arranged in the right guide hole of the corrugated pipe stop valve body, and the first baffle is provided with first guide holes at equal intervals;
the second baffle is movably arranged in the right guide hole of the corrugated pipe stop valve body and movably attached to the first baffle, second guide holes are formed in the second baffle at equal intervals, and the second guide holes and the first guide holes are arranged in a staggered manner;
one end of the first connecting rod is fixed with the first baffle, and the other end of the first connecting rod penetrates through the second baffle and then extends to the right side of the second baffle;
the first limiting plate and one end of the first connecting rod, which is positioned on the right side of the second baffle, are fixed;
the first spring is sleeved on the part, positioned between the second baffle and the first limiting plate, of the first connecting rod;
the first fixing plate is fixed in the position, on the right side of the first limiting plate, in the corrugated pipe stop valve body;
the two connecting rods are arranged, one end of each connecting rod which corresponds to the upper part and the lower part of the connecting rod is fixed with the second baffle respectively, and the other end of each connecting rod passes through the first baffle and then extends to the left side of the first baffle;
the number of the second limiting plates is two, and the second limiting plates and one end of the second connecting rod, which are positioned on the left side of the first baffle, are fixed in a one-to-one correspondence manner;
the two springs are sleeved on the part, located between the first baffle and the second limiting plate, of the second connecting rod in a one-to-one correspondence mode;
the two second fixing plates are fixed in the corrugated pipe stop valve body at positions on the left side of the second limiting plate respectively, and the two second fixing plates correspond to each other up and down;
prevent long-pending liquid mechanism, prevent long-pending liquid mechanism set up in bellows stop valve body inner chamber bottom.
Preferably, rubber sealing gaskets are fixed on the first baffle at equal intervals, and the rubber sealing gaskets are movably inserted into the second flow guide holes.
Preferably, a filter screen is fixed at the position on the right side of the first fixing plate in the bellows stop valve body.
Preferably, the liquid accumulation preventing mechanism comprises:
the two mounting plates are respectively and correspondingly arranged in the flow guide holes on the left side of the inner cavity of the bellows stop valve body from left to right;
the two ends of the rubber soft board are respectively fixed with the left and right corresponding mounting plates;
the two spring telescopic rods are respectively fixed at the bottom of the inner cavity of the corrugated pipe stop valve body in a left-right corresponding manner;
the two connecting blocks are respectively screwed with the output end of the spring telescopic rod by utilizing the rebounding rotating shaft;
the rubber layer board, the rubber layer board be two, fix respectively on the connecting block, and the rubber layer board all sets up with the bottom activity laminating of rubber soft board.
Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a corrugated pipe stop valve capable of preventing backflow, which is reasonable in design, and a backflow stopping structure is arranged in the corrugated pipe stop valve to avoid backflow.
Description of the drawings:
fig. 1 is a schematic view of the internal structure of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is an enlarged view of a portion B in fig. 1.
Description of reference numerals:
bellows stop valve body 1, baffle 2, No. two baffles 3, connecting rod 4, limiting plate 5, spring 6, fixed plate 7, connecting rod 8, No. two limiting plates 9, No. two springs 10, No. two fixed plates 11, a water conservancy diversion hole 12, No. two water conservancy diversion holes 13, the sealed 14 of rubber packing, prevent amasss liquid mechanism 15, mounting panel 16, rubber soft board 17, spring telescopic link 18, connecting block 19, rubber pallet 20, filter screen 21.
The specific implementation mode is as follows:
the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings, and the preferred embodiments in the description are only examples, and all other embodiments obtained by those skilled in the art without any inventive work belong to the protection scope of the present invention.
As shown in fig. 1 to fig. 3, the following technical solutions are adopted in the present embodiment: it comprises the following steps:
the first baffle 2 is movably arranged in a flow guide hole at the right side of the corrugated pipe stop valve body 1, and the first baffle 2 is provided with first flow guide holes 12 at equal intervals;
the second baffle 3 is movably arranged in the right guide hole of the corrugated pipe stop valve body 1 and movably attached to the first baffle 2, the second baffle 3 is provided with second guide holes 13 at equal intervals, and the second guide holes 13 and the first guide holes 12 are arranged in a staggered manner;
one end of the first connecting rod 4 is fixedly riveted with the first baffle plate 2, and the other end of the first connecting rod 4 penetrates through the second baffle plate 3 and then extends to the right side of the second baffle plate 3;
the first limiting plate 5 and one end, located on the right side of the second baffle 3, of the first limiting plate 5 are fixedly riveted;
the first spring 6 is sleeved on the part, located between the second baffle 3 and the first limiting plate 5, of the first connecting rod 4;
the first fixing plate 7 is fixedly riveted at the position, on the right side of the first limiting plate 5, in the corrugated pipe stop valve body 1;
the number of the second connecting rods 8 is two, one end of each second connecting rod 8 which corresponds to the upper part and the lower part is riveted and fixed with the second baffle 3, and the other end of each second connecting rod 8 penetrates through the first baffle 2 and then extends to the left side of the first baffle 2;
the number of the second limiting plates 9 is two, and the second limiting plates 9 and the second connecting rods 8 are fixedly riveted at one end of the left side of the first baffle 2 in a one-to-one correspondence manner;
the two springs 10 are arranged, and the two springs 10 are sleeved on the part, located between the first baffle plate 2 and the second limiting plate 9, of the second connecting rod 8 in a one-to-one correspondence mode;
the two second fixing plates 11 are respectively riveted and fixed in the position, located on the left side of the second limiting plate 9, in the corrugated pipe stop valve body 1;
prevent long-pending liquid mechanism 15, prevent long-pending liquid mechanism 15 setting at bellows stop valve body 1 inner chamber bottom.
Preferably, rubber gaskets 14 are fixed on the first baffle 2 at equal intervals, and the rubber gaskets 14 are movably inserted in the second diversion holes 13.
Preferably, a filter screen 21 is fixed at a position on the right side of the first fixing plate 7 in the bellows stop valve body 1.
Preferably, the liquid accumulation preventing mechanism 15 further includes:
the two mounting plates 16 are respectively and correspondingly arranged in the flow guide holes on the left side of the inner cavity of the corrugated pipe stop valve body 1 from left to right;
the rubber soft board 17, both ends of the said rubber soft board 17 rivet with the corresponding mounting panel 16 of left and right sides separately and fix;
the two spring telescopic rods 18 are respectively riveted and fixed at the bottom of the inner cavity of the corrugated pipe stop valve body 1 in a left-right corresponding manner;
the number of the connecting blocks 19 is two, and the two connecting blocks 19 are respectively screwed with the output end of the spring telescopic rod 18 by utilizing a resilience rotating shaft;
the rubber supporting plates 20 are two, the two rubber supporting plates 20 are riveted and fixed on the connecting block 19 respectively, and the rubber supporting plates 20 are movably attached to the bottom of the rubber soft plate 17.
The working principle of the specific embodiment is as follows: the rubber soft plate 17 can prevent liquid from being accumulated at the bottom of the inner cavity of the corrugated pipe stop valve body 1, when the liquid passes through, the rubber soft plate 17 is pressed to descend to drive the spring telescopic rod 18 to contract, the space for liquid to flow can be widened, the valve is opened, when the liquid flows from left to right, the liquid pushes the second baffle 3 to move right, the liquid flows out from the right end of the corrugated pipe stop valve body 1 after passing through the first flow guide hole 12 and the second flow guide hole 13, when the liquid flows from right to left, the liquid pushes the first baffle 2 to move left, the liquid flows out from the left end of the corrugated pipe stop valve body 1 after passing through the first flow guide hole 12 and the second flow guide hole 13, the valve is closed, and the flow guide is stopped; the liquid can stay in bellows stop valve body 1 and be located the left position of baffle 2, and the liquid pressure that exists is not enough to promote No. two baffles 3 and move to the right in bellows stop valve body 1 to avoid the backward flow.
After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:
1. the corrugated pipe stop valve body 1, the first baffle 2, the second baffle 3, the first connecting rod 4, the first limiting plate 5, the first spring 6, the first fixing plate 7, the second connecting rod 8, the second limiting plate 9, the second spring 10, the second fixing plate 11, the first flow guide hole 12, the second flow guide hole 13 and the liquid accumulation preventing mechanism 15 are matched, and a backflow preventing structure is arranged inside the corrugated pipe stop valve body to avoid backflow;
2. the rubber gasket 14 increases the sealing property;
3. the filter screen 21 filters impurities;
4. the cooperation of mounting panel 16, rubber soft board 17, spring telescopic link 18, connecting block 19 and rubber layer board 20 avoids liquid to be detained at the inner chamber bottom of bellows stop valve body 1.
It will be appreciated by those skilled in the art that modifications and equivalents may be made to the embodiments described above, and that various modifications, equivalents, improvements and the like may be made without departing from the spirit and scope of the utility model.
Claims (4)
1. A bellows shut-off valve which prevents backflow, comprising:
the first baffle (2) is movably arranged in a right guide hole of the corrugated pipe stop valve body (1), and the first baffle (2) is provided with first guide holes (12) at equal intervals;
the second baffle (3) is movably arranged in the right guide hole of the corrugated pipe stop valve body (1) and movably attached to the first baffle (2), second guide holes (13) are formed in the second baffle (3) at equal intervals, and the second guide holes (13) and the first guide holes (12) are arranged in a staggered manner;
one end of the first connecting rod (4) is fixed with the first baffle (2), and the other end of the first connecting rod (4) penetrates through the second baffle (3) and then extends to the right side of the second baffle (3);
the first limiting plate (5) is fixed with one end, located on the right side of the second baffle (3), of the first connecting rod (4);
the first spring (6) is sleeved on the part, located between the second baffle (3) and the first limiting plate (5), of the first connecting rod (4);
the first fixing plate (7) is fixed at the position, located on the right side of the first limiting plate (5), in the corrugated pipe stop valve body (1);
the two connecting rods (8) are arranged, one end of each connecting rod (8) which corresponds to each other up and down is fixed with the corresponding baffle (3), and the other end of each connecting rod (8) penetrates through the corresponding baffle (2) and then extends to the left side of the corresponding baffle (2);
the number of the second limiting plates (9) is two, and the second limiting plates (9) and one end of the second connecting rod (8) on the left side of the first baffle (2) are fixed in a one-to-one corresponding mode;
the two springs (10) are arranged, and the two springs (10) are sleeved on the part, located between the first baffle (2) and the second limiting plate (9), of the second connecting rod (8) in a one-to-one correspondence mode;
the two second fixing plates (11) are respectively fixed at the positions, located on the left side of the second limiting plate (9), in the corrugated pipe stop valve body (1) in a vertically corresponding mode;
and the liquid accumulation prevention mechanism (15) is arranged at the bottom of the inner cavity of the corrugated pipe stop valve body (1).
2. A backflow prevention bellows stop valve according to claim 1, wherein: rubber sealing gaskets (14) are fixed on the first baffle (2) at equal intervals, and the rubber sealing gaskets (14) are movably inserted into the second diversion holes (13).
3. A backflow prevention bellows stop valve according to claim 1, wherein: a filter screen (21) is fixed at the right side of the first fixing plate (7) in the corrugated pipe stop valve body (1).
4. A backflow prevention bellows stop valve according to claim 1, wherein: the liquid accumulation prevention mechanism (15) comprises:
the two mounting plates (16) are respectively and correspondingly arranged in the flow guide holes on the left side of the inner cavity of the corrugated pipe stop valve body (1) from left to right;
the two ends of the rubber soft board (17) are respectively fixed with the left and right corresponding mounting plates (16);
the two spring telescopic rods (18) are respectively and correspondingly fixed at the bottom of the inner cavity of the corrugated pipe stop valve body (1) from left to right;
the number of the connecting blocks (19) is two, and the two connecting blocks (19) are respectively screwed with the output end of the spring telescopic rod (18) by utilizing a resilience rotating shaft;
rubber layer board (20), rubber layer board (20) be two, fix respectively on connecting block (19), and rubber layer board (20) all with the bottom activity laminating setting of rubber soft board (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122149668.0U CN215487846U (en) | 2021-09-07 | 2021-09-07 | Corrugated pipe stop valve capable of preventing backflow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122149668.0U CN215487846U (en) | 2021-09-07 | 2021-09-07 | Corrugated pipe stop valve capable of preventing backflow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215487846U true CN215487846U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122149668.0U Active CN215487846U (en) | 2021-09-07 | 2021-09-07 | Corrugated pipe stop valve capable of preventing backflow |
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| Country | Link |
|---|---|
| CN (1) | CN215487846U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117090977A (en) * | 2023-09-02 | 2023-11-21 | 上海瑞控阀门有限公司 | Axial flow type check valve |
-
2021
- 2021-09-07 CN CN202122149668.0U patent/CN215487846U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117090977A (en) * | 2023-09-02 | 2023-11-21 | 上海瑞控阀门有限公司 | Axial flow type check valve |
| CN117090977B (en) * | 2023-09-02 | 2024-02-20 | 上海瑞控阀门有限公司 | Axial flow type check valve |
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