CN212691007U - Pneumatic film regulating valve convenient to change film - Google Patents
Pneumatic film regulating valve convenient to change film Download PDFInfo
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- CN212691007U CN212691007U CN202021094864.1U CN202021094864U CN212691007U CN 212691007 U CN212691007 U CN 212691007U CN 202021094864 U CN202021094864 U CN 202021094864U CN 212691007 U CN212691007 U CN 212691007U
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- screw rod
- fixed disk
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- diaphragm
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Abstract
The utility model discloses a pneumatic membrane governing valve convenient to change film, including cylinder body and screw rod, the both sides of cylinder body are provided with the flange, the thread groove has been seted up at the middle part of flange, wherein, the thread groove docks with the sealed one end that fills up, the connecting seat is installed on the top of cylinder body, the top of connecting seat is provided with the mount, the middle part of mount is provided with the guide arm, the internal connection of fixed disk has lock nut, the screw rod runs through the fixed disk and is connected with lock nut, the one end that the screw rod stretches out first connecting cover is connected with the clamp plate. This pneumatic membrane governing valve convenient to change film unscrews the lock nut in the fixed disk through the instrument for the lock nut who unscrews drives the screw rod downstream, and then drives the clamp plate and breaks away from the draw-in groove, and rotatory screw rod drives the bottom that the clamp plate breaks away from first connecting cover, opens the second connecting cover again, and takes off splint, thereby changes are dismantled to the diaphragm to the convenience.
Description
Technical Field
The utility model relates to the technical field of valves, specifically be a pneumatic membrane governing valve convenient to change film.
Background
The pneumatic membrane regulating valve is called as a regulating valve for short and consists of an actuating mechanism and a regulating mechanism. The pneumatic membrane regulating valve is an extremely important link in an automatic regulating system in the process production. In order to ensure the safe and normal operation, necessary inspection and verification are carried out according to actual needs before installation and use or after overhaul. Pneumatic film governing valve still has the diaphragm to change trouble scheduling problem when the installation uses, for this reason, we hope to improve pneumatic film governing valve's installation effectiveness through the innovation to pneumatic film governing valve, make things convenient for the diaphragm to change, make it give play to the biggest value, along with the development of science and technology, the pneumatic film governing valve of the diaphragm of being convenient for to change has had the development of very big degree, its development has brought very big facility when installing the use and maintaining pneumatic film governing valve for people, its kind and quantity are also increasing day by day.
Although the pneumatic membrane regulating valves convenient for membrane replacement on the market are very large in variety and number, the pneumatic membrane regulating valves convenient for membrane replacement have the following disadvantages: the sealing gasket is easy to fall off when the pneumatic membrane regulating valve is installed, the membrane of the pneumatic membrane regulating valve is inconvenient to replace, and the membrane of the pneumatic membrane regulating valve is easy to shift when being installed. Therefore, the pneumatic membrane regulating valve which is convenient for replacing the membrane at present is improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pneumatic film governing valve convenient to change film to the sealed pad that fills up when solving the pneumatic film governing valve installation on the existing market that above-mentioned background art provided drops easily, and the diaphragm of pneumatic film governing valve is not convenient for change and the problem of easy skew when the diaphragm of pneumatic film governing valve is installed.
In order to achieve the above object, the utility model provides a following technical scheme: a pneumatic membrane regulating valve convenient for membrane replacement comprises a cylinder body and a screw rod, wherein flanges are arranged on two sides of the cylinder body, a thread groove is formed in the middle of each flange, wherein,
the threaded groove is in butt joint with one end of the sealing gasket, the top end of the cylinder body is provided with a connecting seat, a fixing frame is arranged above the connecting seat, the middle part of the fixing frame is provided with a guide rod, one end of the guide rod penetrates through the connecting seat to be in butt joint with the cylinder body, one side of the fixing frame is provided with a control seat, the top end of the fixing frame is fixedly provided with a first connecting cover, and a second connecting cover is arranged above the first connecting cover;
the edge of first connecting cover has seted up the through-hole, the surface department that the second connecting cover bottom is close to the through-hole is provided with the reference column, the reference column runs through the diaphragm edge and docks with the through-hole, the diaphragm middle part is docked through the top of splint with the guide arm, the air inlet has been seted up on the top of second connecting cover, the outside edge on second connecting cover top is provided with the fixed disk, the internal connection of fixed disk has lock nut, the screw rod runs through the fixed disk and is connected with lock nut, the one end that the screw rod stretches out first connecting cover is connected with the clamp plate, the clamp plate docks with the draw-in groove of first connecting cover bottom edge.
Preferably, one side surface of the sealing gasket is provided with a thread, the cross-sectional dimension of the threaded end of the sealing gasket is matched with the cross-sectional dimension of the thread groove, and the sealing gasket is in threaded connection with the thread groove.
Preferably, the cross-sectional dimension of the positioning column is matched with the cross-sectional dimension of the through hole, and the axis of the positioning column is coincident with the axis of the through hole.
Preferably, the fixed disk is in a circular ring shape, the maximum diameter of the fixed disk is the same as that of the second connecting cover, the cross section of the fixed disk is in a U shape, and the height inside the fixed disk is larger than the thickness of the locking nut.
Preferably, the screw rod and the fixed disk are vertically distributed, the screw rod and the locking nut are in threaded connection, and the screw rod is in mutual contact with the outer edges of the first connecting cover and the second connecting cover respectively.
Preferably, the cross-sectional dimension of the pressing plate is matched with that of the clamping groove, and the pressing plate forms a clamping structure between the screw rod and the clamping groove.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the pneumatic membrane regulating valve convenient for replacing the membrane is characterized in that the sealing gasket is in threaded butt joint with the threaded groove on one side of the flange through the threaded end on one side, so that the sealing gasket is installed in the flange, and the pneumatic membrane regulating valve is convenient to butt joint with a specified pipeline through the sealing gasket;
(2) the pneumatic membrane regulating valve convenient for membrane replacement is characterized in that a locking nut in a fixed disk is unscrewed through a tool, so that the unscrewed locking nut drives a screw rod to move downwards, a pressure plate is further driven to be separated from a clamping groove, the screw rod is rotated to drive the pressure plate to be separated from the bottom of a first connecting cover, a second connecting cover is opened, and a clamping plate is taken down, so that a membrane is convenient to disassemble and replace;
(3) this pneumatic film governing valve convenient to change film, the diaphragm advances to accomplish changes the installation back, carries out through connection with the reference column of second connecting cover bottom and the through-hole on first connecting cover surface for the reference column drives the diaphragm and carries out fixed connection, makes second connecting cover and first connecting cover compress tightly the diaphragm, thereby avoids the diaphragm installation to produce the skew.
Drawings
FIG. 1 is a schematic view of the structure of the pneumatic membrane control valve for easy membrane replacement according to the present invention;
FIG. 2 is a schematic view of the cross-sectional structure of the pneumatic membrane control valve convenient for replacing the membrane according to the present invention;
FIG. 3 is a schematic view of the pneumatic diaphragm regulating valve of the present invention for easy replacement of the diaphragm;
fig. 4 is a schematic diagram of a part a enlarged structure in fig. 2 of the pneumatic membrane regulating valve convenient for replacing the membrane of the present invention.
In the figure: 1. a cylinder body; 2. a flange; 3. a thread groove; 4. a gasket; 5. a connecting seat; 6. a fixed mount; 7. a guide bar; 8. a control seat; 9. a first connection cover; 10. a second connecting cover; 11. a through hole; 12. a positioning column; 13. a membrane; 14. a splint; 15. an air inlet; 16. fixing the disc; 17. locking the nut; 18. a screw; 19. pressing a plate; 20. a clamping groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a pneumatic membrane regulating valve convenient for membrane replacement comprises a cylinder body 1, flanges 2, thread grooves 3, a sealing gasket 4, a connecting seat 5, a fixing frame 6, a guide rod 7, a control seat 8, a first connecting cover 9, a second connecting cover 10, through holes 11, a positioning column 12, a membrane 13, a clamping plate 14, an air inlet 15, a fixing disc 16, a locking nut 17, a screw rod 18, a pressing plate 19 and a clamping groove 20, wherein the flanges 2 are arranged on two sides of the cylinder body 1, the thread grooves 3 are formed in the middle of the flanges 2, and the clamping groove 20,
the thread groove 3 is butted with one end of a sealing gasket 4, a thread is arranged on the surface of one side of the sealing gasket 4, the section size of the thread end of the sealing gasket 4 is matched with the section size of the thread groove 3, and the sealing gasket 4 and the thread groove 3 form a thread connection, so that the pneumatic membrane regulating valve can not cause the falling-off of the sealing gasket 4 when being installed, a connecting seat 5 is arranged at the top end of the cylinder body 1, a fixing frame 6 is arranged above the connecting seat 5, a guide rod 7 is arranged in the middle of the fixed frame 6, one end of the guide rod 7 penetrates through the connecting seat 5 to be in butt joint with the cylinder body 1, a control seat 8 is installed on one side of the fixed frame 6, a first connecting cover 9 is fixed at the top end of the fixed frame 6, and a second connecting cover 10 is arranged above the first connecting cover 9;
the edge of the first connecting cover 9 is provided with a through hole 11, the bottom end of the second connecting cover 10 is provided with a positioning column 12 on the surface close to the through hole 11, the cross-sectional dimension of the positioning column 12 is matched with that of the through hole 11, the axial lead of the positioning column 12 is coincident with that of the through hole 11, the cross-sectional dimension of the positioning column 12 is matched with that of the through hole 11, so that the membrane 13 can be stably placed through the butt joint of the positioning column 12 and the through hole 11, the positioning column 12 penetrates through the edge of the membrane 13 to be in butt joint with the through hole 11, the middle part of the membrane 13 is in butt joint with the top end of the guide rod 7 through a clamping plate 14, the top end of the second connecting cover 10 is provided with an air inlet 15, the outer side edge of the top end of the second connecting cover 10 is provided with a fixed disk 16, the fixed disk 16 is, the sectional shape of the fixed disk 16 is U-shaped, the height inside the fixed disk 16 is greater than the thickness of the locking nut 17, the sectional shape of the fixed disk 16 is U-shaped, so that the fixed disk 16 can play a clamping role with the pressure plate 19 through the connection of the locking nut 17 and the screw rod 18, the locking nut 17 is connected inside the fixed disk 16, the screw rod 18 penetrates through the fixed disk 16 and is connected with the locking nut 17, the screw rod 18 and the fixed disk 16 are vertically distributed, the screw rod 18 and the locking nut 17 form a threaded connection, the screw rod 18 is respectively contacted with the outer edges of the first connecting cover 9 and the second connecting cover 10, so that the fixed disk 16 can be stably placed above the second connecting cover 10 through the screw rod 18, one end of the screw rod 18 extending out of the first connecting cover 9 is connected with a pressing plate 19, the section size of the pressing plate 19 is matched with that of the clamping groove 20, the pressing plate 19 forms a clamping structure between the screw rod 18 and the clamping groove 20, the clamping structure is formed between the screw rod 18 and the clamping groove 20 by means of the pressing plate 19, so that the pressing plate 19 can be prevented from deviating when being clamped in the clamping groove 20, and the pressing plate 19 is in butt joint with the clamping groove 20 at the bottom edge of the first connecting cover 9.
The working principle is as follows: when the pneumatic membrane regulating valve convenient for membrane replacement is used, firstly, the sealing gasket 4 is in threaded butt joint with the threaded groove 3 on one side of the flange 2 through the threaded end on one side, so that the sealing gasket 4 is installed in the flange 2, the pneumatic membrane regulating valve is in butt joint installation with the specified pipeline through the sealing gasket 4 and the specified pipeline on the flange 2 on two sides, when the damaged membrane 13 needs to be replaced, the locking nut 17 in the fixed disk 16 is unscrewed through a tool, the clamping groove 20 is limited through the pressing plate 19, so that the unscrewed locking nut 17 drives the screw rod 18 to move downwards, the pressing plate 19 is driven to be separated from the clamping groove 20, the pressing plate 19 is driven by rotating the screw rod 18 to be separated from the bottom of the first connecting cover 9, then the second connecting cover 10 is opened, the clamping plate 14 is taken down, so that the membrane 13 is detached and replaced, and then the positioning column 12 at the bottom end of the second connecting cover 10 and the through hole 11 on the surface of the, the second connecting cover 10 and the first connecting cover 9 are enabled to compress the diaphragm 13, the diaphragm 13 is prevented from being mounted and deviating, the second connecting cover 10 and the first connecting cover 9 are clamped and fixed through the fixed disc 16 and the pressing plate 19, when the pneumatic film regulating valve is powered on, the air inlet 15 at the top end of the second connecting cover 10 enters the external air pipe, compressed air between the second connecting cover 10 and the diaphragm 13 extrudes the guide rod 7 to block the circulation of the cylinder body 1, and on the contrary, when the external air is extracted, the guide rod 7 is driven by the diaphragm 13 to open the cylinder body 1 for circulation.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a pneumatic membrane governing valve convenient to change membrane, includes cylinder body (1) and screw rod (18), its characterized in that: flanges (2) are arranged on two sides of the cylinder body (1), a thread groove (3) is arranged in the middle of each flange (2),
the threaded groove (3) is in butt joint with one end of the sealing gasket (4), the top end of the cylinder body (1) is provided with a connecting seat (5), a fixing frame (6) is arranged above the connecting seat (5), the middle of the fixing frame (6) is provided with a guide rod (7), one end of the guide rod (7) penetrates through the connecting seat (5) to be in butt joint with the cylinder body (1), one side of the fixing frame (6) is provided with a control seat (8), the top end of the fixing frame (6) is fixedly provided with a first connecting cover (9), and a second connecting cover (10) is arranged above the first connecting cover (9);
a through hole (11) is arranged at the edge of the first connecting cover (9), a positioning column (12) is arranged at the bottom end of the second connecting cover (10) close to the surface of the through hole (11), the positioning column (12) penetrates through the edge of the membrane (13) and is butted with the through hole (11), the middle part of the diaphragm (13) is butted with the top end of the guide rod (7) through a clamping plate (14), an air inlet (15) is arranged at the top end of the second connecting cover (10), a fixed disc (16) is arranged at the outer side edge of the top end of the second connecting cover (10), the interior of the fixed disk (16) is connected with a locking nut (17), the screw rod (18) penetrates through the fixed disk (16) to be connected with the locking nut (17), one end of the screw rod (18) extending out of the first connecting cover (9) is connected with a pressing plate (19), the pressing plate (19) is in butt joint with a clamping groove (20) at the bottom edge of the first connecting cover (9).
2. The pneumatic diaphragm regulator valve for facilitating diaphragm replacement of claim 1, wherein: the sealing gasket is characterized in that a thread is arranged on the surface of one side of the sealing gasket (4), the cross section size of the thread end of the sealing gasket (4) is matched with that of the thread groove (3), and the sealing gasket (4) is in threaded connection with the thread groove (3).
3. The pneumatic diaphragm regulator valve for facilitating diaphragm replacement of claim 1, wherein: the cross-sectional dimension of the positioning column (12) is matched with that of the through hole (11), and the axial lead of the positioning column (12) is superposed with that of the through hole (11).
4. The pneumatic diaphragm regulator valve for facilitating diaphragm replacement of claim 1, wherein: the fixed disk (16) is annular, the maximum diameter of the fixed disk (16) is the same as that of the second connecting cover (10), the cross section of the fixed disk (16) is U-shaped, and the height inside the fixed disk (16) is larger than the thickness of the locking nut (17).
5. The pneumatic diaphragm regulator valve for facilitating diaphragm replacement of claim 1, wherein: the screw rod (18) and the fixed disc (16) are vertically distributed, the screw rod (18) and the locking nut (17) are in threaded connection, and the screw rod (18) is respectively contacted with the outer edges of the first connecting cover (9) and the second connecting cover (10).
6. The pneumatic diaphragm regulator valve for facilitating diaphragm replacement of claim 1, wherein: the cross-sectional dimension of clamp plate (19) and the cross-sectional dimension phase-match of draw-in groove (20), and clamp structure is formed through between screw rod (18) and draw-in groove (20) in clamp plate (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021094864.1U CN212691007U (en) | 2020-06-15 | 2020-06-15 | Pneumatic film regulating valve convenient to change film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021094864.1U CN212691007U (en) | 2020-06-15 | 2020-06-15 | Pneumatic film regulating valve convenient to change film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212691007U true CN212691007U (en) | 2021-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021094864.1U Active CN212691007U (en) | 2020-06-15 | 2020-06-15 | Pneumatic film regulating valve convenient to change film |
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| Country | Link |
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| CN (1) | CN212691007U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776873A (en) * | 2022-05-17 | 2022-07-22 | 安徽春辉仪表线缆集团有限公司 | Pneumatic tank bottom regulating valve easy to replace |
-
2020
- 2020-06-15 CN CN202021094864.1U patent/CN212691007U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776873A (en) * | 2022-05-17 | 2022-07-22 | 安徽春辉仪表线缆集团有限公司 | Pneumatic tank bottom regulating valve easy to replace |
| CN114776873B (en) * | 2022-05-17 | 2023-11-10 | 安徽春辉仪表线缆集团有限公司 | Pneumatic tank bottom regulating valve easy to replace |
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