CN213145374U - Corrugated pipe stop valve - Google Patents
Corrugated pipe stop valve Download PDFInfo
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- CN213145374U CN213145374U CN202022096388.3U CN202022096388U CN213145374U CN 213145374 U CN213145374 U CN 213145374U CN 202022096388 U CN202022096388 U CN 202022096388U CN 213145374 U CN213145374 U CN 213145374U
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- valve
- valve body
- stop
- corrugated pipe
- stop plate
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Abstract
The utility model provides a bellows stop valve, include: an outer valve body: the outer valve body includes a first port; an inner valve body: the inner valve body is arranged inside the outer valve body and comprises a valve rod, a connecting plate, a corrugated pipe and a stop plate, the connecting plate is connected with the valve rod, one end of the corrugated pipe is connected with the connecting plate, the other end of the corrugated pipe is connected with the stop plate, the valve rod can drive the stop plate to move up and down to control the opening and closing of the first valve port, a boss is arranged on the edge of the stop plate, and the boss is matched with the inner wall of the outer valve body and used for reducing the distance between the stop plate and the inner wall of the outer valve body. The stop plate is a stop part, the edge of the stop plate is provided with a boss, the boss shortens the distance between the stop plate and the inner wall of the outer valve body, and the corrugated pipe connected with the stop plate is prevented from being twisted in the up-and-down movement process of the stop plate, so that the stop valve is more convenient to use, the service life of the corrugated pipe is prolonged, and the service life of the corrugated pipe stop valve is further prolonged.
Description
The technical field is as follows:
the utility model relates to a pump valve technical field especially relates to a bellows stop valve.
Background art:
valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). Valves in fluid systems, devices for controlling the direction, pressure and flow rate of a fluid are devices that can control the flow rate of a medium (liquid, gas or powder) in pipes and equipment by causing or stopping the flow of the medium. Common valves are ball valves, butterfly valves, stop valves, check valves, and the like.
The existing stop valve is usually provided with a stopping part and a corrugated pipe, a space is formed between the stopping part and the corrugated pipe, a medium is added or pumped out of the space, the stopping part moves up and down, and then the control valve is opened and closed, but the existing stop valve is convenient to install and repair, the distance between the stopping part arranged inside the stop valve and the inner wall of the stop valve is usually larger, in actual work, the stop valve is connected with the stopping part due to the corrugated pipe, if the distance between the stopping part and the inner wall of the stop valve is too large, the corrugated pipe is easy to distort, the stop valve is difficult to use, and the service life of the corrugated pipe is shortened.
Therefore, there is a need in the art for a bellows stop valve that solves at least one of the above-mentioned problems.
In view of this, the present invention is proposed.
The utility model has the following contents:
an object of the utility model is to provide a bellows stop valve and system to solve above-mentioned at least one technical problem.
Specifically, the utility model provides a bellows stop valve, include:
an outer valve body: the outer valve body includes a first port;
an inner valve body: the inner valve body is arranged inside the outer valve body and comprises a valve rod, a connecting plate, a corrugated pipe and a stop plate, the connecting plate is connected with the valve rod, one end of the corrugated pipe is connected with the connecting plate, the other end of the corrugated pipe is connected with the stop plate, the valve rod can drive the stop plate to move up and down to control the opening and closing of the first valve port, a boss is arranged on the edge of the stop plate, and the boss is matched with the inner wall of the outer valve body and used for reducing the distance between the stop plate and the inner wall of the outer valve body.
By adopting the scheme, the stop plate is the stop piece, the boss is arranged at the edge of the stop plate, the distance between the stop plate and the inner wall of the outer valve body is shortened by the boss, the corrugated pipe connected with the stop plate is prevented from being twisted in the process that the stop plate moves up and down, the stop valve is more convenient to use, the service life of the corrugated pipe is prolonged, and the service life of the corrugated pipe stop valve is further prolonged.
Further, the outer valve body also comprises a second valve port, and when the first valve port is in an open state, the first valve port is communicated with the second valve port.
Furthermore, the distance between the boss and the inner wall of the outer valve body is 0.1-0.5 mm.
By adopting the scheme, the smoothness of the up-and-down movement of the stop plate is ensured on the premise of avoiding the distortion of the corrugated pipe in the up-and-down movement process of the stop plate.
Furthermore, the lower end of the outer valve body is provided with a bundling structure, and the cross-sectional area of the upper end of the bundling structure is larger than that of the lower end of the bundling structure.
By adopting the scheme, when the stop plate moves downwards, the convergence structure can limit the downward movement range of the stop plate, reduce the movement space and improve the opening and closing speed of the valve.
Further, the inner wall of the outer valve body is provided with a flange, the boss is provided with a clamping groove, and the flange is matched with the clamping groove.
By adopting the scheme, the flange is matched with the clamping groove, and when the stop plate moves downwards, the closure of the stop plate is improved.
Further, the valve rod extends from the inner side of the outer valve body to the outer side, a first channel is arranged in the valve rod, and the first channel extends from one end of the valve rod to the other end of the valve rod.
By adopting the scheme, a user can change the pressure in the corrugated pipe in a mode of pumping air out of the first channel or outputting air, when the air is pumped out of the first channel, the corrugated pipe is in a negative pressure state, and the cut-off plate moves upwards; when air is output from the first channel, the corrugated pipe is in a positive pressure state, and the stop plate moves downwards to close the first valve port.
Further, one end of the first channel outside the outer valve body is provided with a sealing valve for sealing the corrugated pipe.
By adopting the scheme, when the interior of the corrugated pipe is in a negative pressure or positive pressure state, the sealing valve seals the corrugated pipe, so that the corrugated pipe maintains the existing state, and the opening or closing state of the valve is maintained.
Furthermore, the inner valve body is also provided with an elastic component, one end of the elastic component is connected with the connecting plate, and the other end of the elastic component is connected with the stop plate.
By adopting the scheme, the elastic component has multiple installation modes, and the installation mode can be that when the valve is closed by the stop plate, the elastic component can be in a stretching state, and the elastic component can provide assistance for opening the valve; the installation mode can also be that when the valve is opened to the closing plate, the elastic component can be in the compressed state, and the elastic component can provide helping hand for the valve is closed at this moment.
Preferably, the upper end of the outer valve body is provided with a fixing piece, and the fixing piece is connected with the valve rod.
By adopting the scheme, the fixing piece is connected with the valve rod and used for fixing the valve rod and preventing the valve rod from falling off.
Further, when the connecting plate is not laminated with outer valve body top, be provided with support piece between outer valve body roof and the connecting plate, support piece one end with outer valve body roof is connected the other end and is connected with the connecting plate.
By adopting the scheme, the connecting plate needs to bear the pressure in the corrugated pipe, when the connecting plate is not attached to the top of the outer valve body, the connecting end of the connecting plate is only arranged on the valve rod, the structural stability is not enough, and the support piece is arranged between the top wall of the outer valve body and the connecting plate, so that the physical strength is improved.
Further, when the connecting plate is attached to the top of the outer valve body, the bellows stop valve is provided with a second channel, and the second channel penetrates through the connecting plate and the top wall of the outer valve body.
By adopting the scheme, the second channel has a similar effect with the first channel, and when the first channel is blocked, the corrugated pipe stop valve can be controlled by using the second channel, so that the use flexibility of the valve is improved.
To sum up, the utility model discloses following beneficial effect has:
1. the utility model provides a bellows stop valve, the stop plate is the stop piece, the stop plate edge is provided with the boss, the boss has shortened stop plate and outer valve body inner wall distance, avoids the bellows that is connected with the stop plate to twist in the process that the stop plate reciprocates, makes the stop valve use more convenient, prolongs bellows life, and then prolongs bellows stop valve life;
2. the utility model provides a bellows stop valve, which guarantees the smoothness of the stop plate moving up and down on the premise of avoiding the bellows from twisting in the process of the stop plate moving up and down;
3. according to the corrugated pipe stop valve provided by the utility model, a user can change the pressure in the corrugated pipe in a mode of pumping air out of the first channel or outputting air, when the air is pumped out of the first channel, the corrugated pipe is in a negative pressure state, and the stop plate moves upwards; when air is output from the first channel, the corrugated pipe is in a positive pressure state, the stop plate moves downwards to close the first valve port;
4. the utility model provides a bellows stop valve, the elastic component has multiple mounting modes, the mounting mode can be that when the valve is closed by the stop plate, the elastic component can be in the stretching state, and the elastic component can provide assistance for the valve opening at the moment; the installation mode can also be that when the valve is opened to the closing plate, the elastic component can be in the compressed state, and the elastic component can provide helping hand for the valve is closed at this moment.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a cross-sectional view of an embodiment of the bellows stop valve of the present invention;
FIG. 2 is a side view of one embodiment of the bellows stop valve of the present invention;
fig. 3 is a cross-sectional view of another embodiment of the bellows stop valve of the present invention;
fig. 4 is a cross-sectional view of an embodiment of the bellows stop valve of the present invention provided with a support member;
fig. 5 is a cross-sectional view of an embodiment of the bellows stop valve of the present invention having a second passage.
Description of reference numerals:
through the above reference sign explanation, combine the embodiment of the utility model, can more clearly understand and explain the technical scheme of the utility model.
1. An outer valve body; 11. a first valve port; 12. a second valve port; 13. a bundling structure; 14. a flange; 15. a fixing member; 2. an inner valve body; 21. a valve stem; 211. a first channel; 22. a connecting plate; 23. a bellows; 24. a cut-off plate; 241. a boss; 2411. a clamping groove; 25. an elastic member; 3. closing the valve; 4. a support member; 5. a second channel.
The specific implementation mode is as follows:
reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
The present invention will be described in detail below by way of examples.
As shown in fig. 1, the utility model provides a bellows stop valve, include:
outer valve body 1: the outer valve body 1 comprises a first valve port 11;
the inner valve body 2: the inner valve body 2 is arranged inside the outer valve body 1, the inner valve body 2 comprises a valve rod 21, a connecting plate 22, a corrugated pipe 23 and a stop plate 24, the connecting plate 22 is connected with the valve rod 21, one end of the corrugated pipe 23 is connected with the connecting plate 22, the other end of the corrugated pipe is connected with the stop plate 24, the valve rod 21 can drive the stop plate 24 to move up and down to control the opening and closing of the first valve port 11, a boss 241 is arranged at the edge of the stop plate 24, and the boss 241 is matched with the inner wall of the outer valve body 1 to reduce the distance between the stop plate 24 and the inner wall of the outer valve body 1.
By adopting the scheme, the stop plate 24 is a stop piece, the boss 241 is arranged on the edge of the stop plate 24, the distance between the stop plate 24 and the inner wall of the outer valve body 1 is shortened by the boss 241, the corrugated pipe 23 connected with the stop plate 24 is prevented from being distorted in the process that the stop plate 24 moves up and down, the stop valve is more convenient to use, the service life of the corrugated pipe 23 is prolonged, and the service life of the corrugated pipe stop valve is further prolonged.
In the specific implementation process, the corrugated pipe 23 can be a JDG color pipe, an iron sleeve, a PVC conduit, or the like.
In a specific implementation process, the outer valve body 1 further includes a second valve port 12, and when the first valve port 11 is in an open state, the first valve port 11 is communicated with the second valve port 12.
In the specific implementation process, the distance between the boss 241 and the inner wall of the outer valve body 1 is 0.1-0.5 mm.
In a preferred embodiment of the present invention, the distance between the boss 241 and the inner wall of the outer valve body 1 is 0.2 mm.
By adopting the scheme, on the premise of avoiding the corrugated pipe 23 from being distorted in the up-and-down moving process of the stop plate 24, the up-and-down moving smoothness of the stop plate 24 is ensured.
In the specific implementation, the outer valve body 1 is composed of a plurality of parts, namely a top plate and a side plate.
As shown in fig. 2 and 4, in a specific implementation process, a constriction structure 13 is arranged at the lower end of the outer valve body 1, and the cross-sectional area of the upper end of the constriction structure 13 is larger than that of the lower end.
In a specific implementation process, the converging angles of the converging structures 13 are equal from the upper end to the lower end.
By adopting the scheme, when the stop plate 24 moves downwards, the converging structure 13 can limit the downward movement range of the stop plate 24, reduce the movement space and improve the opening and closing speed of the valve.
As shown in fig. 3 and 4, in a specific implementation process, a flange 14 is arranged on an inner wall of the outer valve body 1, the boss 241 is provided with a clamping groove 2411, and the flange 14 is matched with the clamping groove 2411.
In the specific implementation process, the flanges 14 are arranged on the inner wall of the outer valve body 1 in a surrounding manner along the same height of the outer valve body 1.
By adopting the scheme, the flange 14 is matched with the clamping groove 2411, and when the stop plate 24 moves downwards, the closure performance of the stop plate 24 is improved.
In a preferred embodiment of the present invention, the locking groove 2411 is formed at the lower end of the boss 241.
With the above arrangement, the stop plate 24 is adapted to engage the flange 14 when moved downwardly.
In a specific implementation process, the valve rod 21 extends from the inner side to the outer side of the outer valve body 1, a first channel 211 is arranged in the valve rod 21, and the first channel 211 extends from one end to the other end of the valve rod 21.
With the above scheme, the user can change the pressure in the bellows 23 by way of pumping air out of the first passage 211 or outputting air, when air is pumped out of the first passage 211, the bellows 23 is in a negative pressure state, and the stop plate 24 moves upwards; when air is output from the first passage 211, the bellows 23 is in a positive pressure state, and the stopper plate 24 moves down to close the first valve port 11.
In a specific implementation process, the valve rod 21 is cylindrical, the first passage 211 is a cylindrical passage, and the axis of the first passage 211 and the axis of the valve rod 21 are located on the same straight line.
As shown in fig. 2 and 4, in a specific implementation, a closing valve 3 is disposed at one end of the first passage 211 outside the outer valve body 1, and is used for closing the bellows 23.
In the specific implementation process, the closing valve 3 can be a GM-25H (I) high-vacuum diaphragm valve, a CCQ-150 pneumatic ultrahigh-vacuum gate valve, a GID-40(KF) pneumatic high-vacuum ball valve and the like.
By adopting the scheme, when the interior of the corrugated pipe 23 is in a negative pressure or positive pressure state, the sealing valve 3 seals the corrugated pipe 23, so that the corrugated pipe 23 maintains the existing state and the opening or closing state of the valve is maintained.
As shown in fig. 1 and 3, in the specific implementation process, the inner valve body 2 is further provided with an elastic member 25, and one end of the elastic member 25 is connected with the connecting plate 22 and the other end is connected with the stop plate 24.
In a preferred embodiment of the present invention, the elastic member 25 surrounds the valve rod 21 and is disposed at the periphery of the valve rod 21.
By adopting the scheme, the elastic component 25 has various installation modes, and the installation mode can be that when the stop plate 24 closes the valve, the elastic component 25 can be in a stretching state, and at the moment, the elastic component 25 can provide assistance for opening the valve; the mounting may also be such that when the shut-off plate 24 opens the valve, the resilient member 25 may be in a compressed state, in which case the resilient member 25 is able to provide assistance to the closing of the valve.
In a preferred embodiment of the present invention, the elastic member 25 may be a spring, and the spring may be made of stainless steel, piano steel, high-carbon steel, phosphor copper, beryllium copper, oil tempering alloy, or the like.
In the specific implementation process, the upper end of the outer valve body 1 is provided with a fixing piece 15, and the fixing piece 15 is connected with the valve rod 21.
By adopting the above scheme, the fixing piece 15 is connected with the valve rod 21 and used for fixing the valve rod 21 and preventing the valve rod 21 from falling off.
In a specific implementation process, the fixing member 15 may be connected to the outer valve body 1 by a bolt connection, a snap connection, or a welding method, and then limit and fix the valve rod 21.
In the specific implementation process, the connecting plate 22 may or may not be attached to the top of the outer valve body 1.
As shown in fig. 2 and 4, in an alternative embodiment of the present invention, when the connecting plate 22 is not attached to the top of the outer valve body 1, a supporting member 4 is disposed between the top wall of the outer valve body 1 and the connecting plate 22, one end of the supporting member 4 is connected to the top wall of the outer valve body 1, and the other end is connected to the connecting plate 22.
In a specific implementation, the support 4 may be a support rod, a support lug, a support ring surrounding the valve stem 21, or the like.
By adopting the scheme, the connecting plate 22 needs to bear the pressure in the corrugated pipe 23, when the connecting plate 22 is not attached to the top of the outer valve body 1, the connecting end of the connecting plate 22 is only arranged on the valve rod 21, the structural stability is not enough, and the support piece 4 is arranged between the top wall of the outer valve body 1 and the connecting plate 22, so that the physical strength is improved.
As shown in fig. 2 and 5, in an alternative embodiment of the present invention, when the connecting plate 22 is attached to the top of the outer valve body 1, the bellows stop valve is provided with a second channel 5, and the second channel 5 passes through the connecting plate 22 and the top wall of the outer valve body 1.
By adopting the scheme, the second channel 5 has a similar function with the first channel 211, and when the first channel 211 is blocked, the bellows stop valve can be controlled by using the second channel 5, so that the use flexibility of the valve is improved.
In a specific implementation, the second channel 5 can be opened or closed by movably connecting components in the channel.
In a specific implementation process, the movable connection can be a bolt connection or a clamping connection and the like.
It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made to the present invention, and these improvements and modifications also fall into the protection scope of the claims of the present invention.
Claims (10)
1. A bellows shut-off valve, comprising:
outer valve body (1): the outer valve body (1) comprises a first valve port (11);
inner valve body (2): the inner valve body (2) is arranged inside the outer valve body (1), the inner valve body (2) comprises a valve rod (21), a connecting plate (22), a corrugated pipe (23) and a stop plate (24), the connecting plate (22) is connected with the valve rod (21), one end of the corrugated pipe (23) is connected with the connecting plate (22) and the other end of the corrugated pipe is connected with the stop plate (24), the valve rod (21) can drive the stop plate (24) to move up and down to control the opening and closing of the first valve port (11), a boss (241) is arranged on the edge of the stop plate (24), and the boss (241) is matched with the inner wall of the outer valve body (1) and used for reducing the distance between the stop plate (24) and the inner wall of the outer valve body (1).
2. The bellows shut-off valve of claim 1, wherein: the distance between the boss (241) and the inner wall of the outer valve body (1) is 0.1-0.5 mm.
3. The bellows shut-off valve of claim 2, wherein: the lower end of the outer valve body (1) is provided with a bundling structure (13), and the cross sectional area of the upper end of the bundling structure (13) is larger than that of the lower end.
4. The bellows shut-off valve of claim 3, wherein: the inner wall of the outer valve body (1) is provided with a flange (14), the boss (241) is provided with a clamping groove (2411), and the flange (14) is matched with the clamping groove (2411).
5. The bellows shut-off valve according to any one of claims 1-4, wherein: the valve rod (21) extends from the inner side to the outer side of the outer valve body (1), a first channel (211) is arranged in the valve rod (21), and the first channel (211) extends from one end of the valve rod (21) to the other end of the valve rod.
6. The bellows shut-off valve of claim 5, wherein: one end of the first channel (211) on the outer side of the outer valve body (1) is provided with a sealing valve (3) for sealing the corrugated pipe (23).
7. The bellows shut-off valve of claim 6, wherein: the inner valve body (2) is further provided with an elastic component (25), one end of the elastic component (25) is connected with the connecting plate (22), and the other end of the elastic component is connected with the stopping plate (24).
8. The bellows shut-off valve according to claim 6 or 7, wherein: the upper end of the outer valve body (1) is provided with a fixing piece (15), and the fixing piece (15) is connected with the valve rod (21).
9. The bellows shut-off valve of claim 8, wherein: when the connecting plate (22) is not attached to the top of the outer valve body (1), a supporting piece (4) is arranged between the top wall of the outer valve body (1) and the connecting plate (22), one end of the supporting piece (4) is connected with the top wall of the outer valve body (1), and the other end of the supporting piece is connected with the connecting plate (22).
10. The bellows shut-off valve of claim 8, wherein: when the connecting plate (22) is attached to the top of the outer valve body (1), the corrugated pipe stop valve is provided with a second channel (5), and the second channel (5) penetrates through the connecting plate (22) and the top wall of the outer valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022096388.3U CN213145374U (en) | 2020-09-22 | 2020-09-22 | Corrugated pipe stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022096388.3U CN213145374U (en) | 2020-09-22 | 2020-09-22 | Corrugated pipe stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213145374U true CN213145374U (en) | 2021-05-07 |
Family
ID=75717782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022096388.3U Active CN213145374U (en) | 2020-09-22 | 2020-09-22 | Corrugated pipe stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213145374U (en) |
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2020
- 2020-09-22 CN CN202022096388.3U patent/CN213145374U/en active Active
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