CN221034014U - Sealing diaphragm for pneumatic diaphragm valve and pneumatic diaphragm valve - Google Patents
Sealing diaphragm for pneumatic diaphragm valve and pneumatic diaphragm valve Download PDFInfo
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- CN221034014U CN221034014U CN202322847399.4U CN202322847399U CN221034014U CN 221034014 U CN221034014 U CN 221034014U CN 202322847399 U CN202322847399 U CN 202322847399U CN 221034014 U CN221034014 U CN 221034014U
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- Prior art keywords
- sealing
- pneumatic
- diaphragm
- rubber
- diaphragm valve
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- 238000007789 sealing Methods 0.000 title claims abstract description 57
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000005728 strengthening Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 7
- 239000012528 membrane Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 21
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 19
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Diaphragms And Bellows (AREA)
Abstract
The utility model discloses a sealing diaphragm for a pneumatic diaphragm valve and the pneumatic diaphragm valve, which comprise a rubber sheet, wherein a cavity is formed in the middle of the inside of the rubber sheet, a mounting hole is formed in the middle of the rubber sheet, a rubber sleeve is arranged in the middle of the inside of the mounting hole, and a plurality of reinforcing ribs which are uniformly distributed are arranged at the lower end of the rubber sheet. The beneficial effects are that: according to the utility model, the rubber sleeve is compressed through the arrangement of the mounting screw and the first and second nuts when the rubber sleeve is arranged on the mounting rubber sheet, so that the connection between the rubber sheet and the mounting screw and the first and second nuts is tighter, the situation that the sealing effect of the rubber sheet is poor due to rotation of the mounting screw is prevented, the rubber sleeve is softer through the effect of the hollow air chamber, the hollow air chamber is compressed when the bolt compresses the rubber sleeve, the rubber sleeve is more attached to the bolt, and the sealing performance of the device is improved.
Description
Technical Field
The utility model relates to the technical field of pneumatic diaphragm valves, in particular to a sealing diaphragm for a pneumatic diaphragm valve and the pneumatic diaphragm valve.
Background
The utility model provides a pneumatic diaphragm valve is a comparatively common automatic control diaphragm valve, and it mainly includes valve body and valve rod, and the valve rod is installed in the inside of valve body, and the case is installed to the bottom of valve rod, is connected with the diaphragm of control valve opening/closing on the case, and pneumatic head is installed on the top of valve rod, and this kind of pneumatic diaphragm valve's theory of operation is: the pneumatic head is controlled to move by opening and closing the air passage, so that the valve rod is driven to move up and down, and the valve rod is driven to move up and down by driving the valve core and a diaphragm connected with the valve core to open/close the valve.
However, the existing sealing diaphragm is usually fixed by using bolts and nuts when being installed, wherein the bolts and nuts easily cause the diaphragm to be wrinkled when being used, so that the diaphragm leaks water, and the sealing is not uniform when the diaphragm valve is closed because the diaphragm is wrinkled.
For the problems in the related art, no effective solution has been proposed at present.
Disclosure of utility model
The utility model provides a sealing diaphragm for a pneumatic diaphragm valve and the pneumatic diaphragm valve, aiming at the problems in the related art, so as to overcome the technical problems in the prior art.
For this purpose, the utility model adopts the following specific technical scheme:
The utility model provides a sealing diaphragm for pneumatic diaphragm valve, includes the sheet rubber, the inside middle part of sheet rubber is provided with the cavity, the middle part of sheet rubber is provided with the mounting hole, the inside middle part of mounting hole is provided with the rubber sleeve, the lower extreme of sheet rubber is provided with a plurality of evenly distributed's strengthening rib, the lower extreme of sheet rubber is provided with flexible diaphragm.
Further, the rubber sleeve is internally provided with a hollow air chamber.
Further, the reinforcing ribs are fixedly connected with the rubber sheet, and are distributed in an annular array.
The utility model provides a pneumatic diaphragm valve, includes the valve body, the inside both sides of valve body are provided with the water cavity, the inside middle part of valve body is provided with the UNICOM two the communicating pipe of water cavity, the middle part of communicating pipe is provided with sealing device, the upper end middle part of valve body is provided with pneumatic bottle, pneumatic bottle's lower extreme is provided with sealed push rod, sealed push rod's lower extreme is provided with the installed part.
Further, the sealing device comprises a connecting ring fixedly connected with the communication pipe, and sliding grooves corresponding to the reinforcing ribs one by one are formed in the inner wall of the connecting ring.
Further, the mounting piece comprises a mounting screw rod connected with the sealing push rod, a first nut is arranged in the middle of the mounting screw rod, and a second nut is arranged at one end of the mounting screw rod.
The utility model provides a sealing diaphragm for a pneumatic diaphragm valve and the pneumatic diaphragm valve, which have the following beneficial effects:
1. According to the utility model, the rubber sheet is conveniently installed and fixed in the pneumatic diaphragm valve through the arrangement of the mounting holes, and the rubber sleeve is compressed through the arrangement of the mounting screw and the first nut and the second nut when the rubber sheet is installed through the arrangement of the rubber sleeve, so that the connection between the rubber sheet and the mounting screw and the first and second nuts is tighter, and the situation of poor sealing effect of the rubber sheet caused by rotation of the mounting screw is avoided.
2. The rubber sleeve is softer through the effect of the hollow air chamber, so that the hollow air chamber is compressed when the bolt compresses the rubber sleeve, the rubber sleeve is more attached to the bolt, and the effect of improving the tightness of the device is achieved.
3. The setting through the tie ring corresponds with sealing diaphragm, when the diaphragm valve is closed, laminates mutually with the sliding tray through the setting of strengthening rib, makes the sliding tray laminate mutually with the strengthening rib through the setting of flexible diaphragm simultaneously to reach the effect that improves the leakproofness.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic illustration of a sealing diaphragm for a pneumatic diaphragm valve and a pneumatic diaphragm valve in accordance with an embodiment of the present utility model;
FIG. 2 is a schematic illustration of the internal structure of a sealing diaphragm for a pneumatic diaphragm valve and a pneumatic diaphragm valve according to an embodiment of the present utility model;
FIG. 3 is a schematic structural view of a sealing diaphragm for a pneumatic diaphragm valve and a mounting for a pneumatic diaphragm valve according to an embodiment of the present utility model;
Fig. 4 is a schematic structural view of a sealing diaphragm for a pneumatic diaphragm valve and a rubber sheet for a pneumatic diaphragm valve according to an embodiment of the present utility model.
In the figure:
1. A rubber sheet; 2. a mounting hole; 3. a rubber sleeve; 4. reinforcing ribs; 5. a flexible membrane; 6. a water cavity; 7. a communicating pipe; 8. a sealing device; 9. a pneumatic bottle; 10. sealing the push rod; 11. a mounting member; 12. a connecting ring; 13. a sliding groove; 14. installing a screw; 15. a first nut; 16. a second nut; 17. and a valve body.
Detailed Description
For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.
According to an embodiment of the present utility model, there is provided a sealing diaphragm for a pneumatic diaphragm valve and a pneumatic diaphragm valve.
Embodiment one:
As shown in fig. 1 to 4, a sealing membrane for a pneumatic diaphragm valve according to an embodiment of the present utility model includes a rubber sheet 1, and is characterized in that a cavity is provided in the middle of the inside of the rubber sheet 1, a mounting hole 2 is provided in the middle of the rubber sheet 1, a rubber sleeve 3 is provided in the middle of the inside of the mounting hole 2, a plurality of uniformly distributed reinforcing ribs 4 are provided at the lower end of the rubber sheet 1, and a flexible diaphragm 5 is provided at the lower end of the rubber sheet 1.
The rubber sheet 1 is used as the main body of the sealing diaphragm, the rubber sheet 1 is conveniently installed and fixed inside the diaphragm valve through the installation hole 2, the rubber sleeve 3 is compressed through the installation of the rubber sleeve 3 through the installation of the bolt when the rubber sheet 1 is installed, so that the connection between the rubber sheet 1 and the bolt and the nut is more compact, and the situation that the sealing effect of the rubber sheet 1 is poor due to the rotation of the bolt is avoided.
Embodiment two:
As shown in fig. 1-4, the rubber sleeve 3 is internally provided with a hollow air chamber. The reinforcing ribs 4 are fixedly connected with the rubber sheet 1, and the reinforcing ribs 4 are distributed in an annular array.
The rubber sleeve 3 is softer through the effect of the hollow air chamber, so that the hollow air chamber is compressed when the bolt compresses the rubber sleeve 3, the rubber sleeve 3 is more attached to the bolt, and the effect of improving the tightness of the device is achieved.
Embodiment III:
As shown in fig. 1-4, the pneumatic diaphragm valve according to the embodiment of the utility model comprises a valve body 17, wherein two sides of the interior of the valve body 17 are provided with water through cavities 6, the middle part of the interior of the valve body 17 is provided with a communication pipe 7 communicated with the two water through cavities 6, the middle part of the communication pipe 7 is provided with a sealing device 8, the middle part of the upper end of the valve body 17 is provided with a pneumatic bottle 9, the lower end of the pneumatic bottle 9 is provided with a sealing push rod 10, and the lower end of the sealing push rod 10 is provided with a mounting piece 11.
The valve body 17 is provided with a complete waterway through the arrangement of the water communication cavity 6 and the communication pipe 7 inside the valve body 17, the purpose of improving the sealing effect is achieved through the arrangement of the sealing device 8 and the matching of the sealing diaphragm, the diaphragm valve is controlled to be opened or closed through the matching of the pneumatic bottle 9 and the sealing push rod 10, and the sealing diaphragm is fixedly installed through the arrangement of the installation piece 11.
Embodiment four:
As shown in fig. 1-4, the sealing device 8 comprises a connecting ring 12 fixedly connected with the communicating pipe 7, and sliding grooves 13 corresponding to the reinforcing ribs 4 one by one are arranged on the inner wall of the connecting ring 12. The mounting piece 11 comprises a mounting screw rod 14 connected with the sealing push rod 10, a first nut 15 is arranged in the middle of the mounting screw rod 14, and a second nut 16 is arranged at one end of the mounting screw rod 14.
The setting through the go-between 12 corresponds with sealing diaphragm, when the diaphragm valve closes, laminates mutually with sliding tray 13 through setting up of strengthening rib 4 to reach sealed effect, make sliding tray 13 laminate mutually with strengthening rib 4 through setting up of flexible diaphragm 5 simultaneously, thereby reach the effect that further improves the leakproofness, reach the effect of installing fixed sealing diaphragm through setting up of installation screw rod 14 and first nut 15 and second nut 16.
In order to facilitate understanding of the above technical solutions of the present utility model, the following describes in detail the working principle or operation manner of the present utility model in the actual process.
In practical application, the rubber sheet 1 is used as a main body of the sealing diaphragm, the rubber sheet 1 is conveniently installed and fixed in the diaphragm valve through the installation of the installation hole 2, and the rubber sleeve 3 is compressed through the installation of the rubber sleeve 3 through the installation of the bolt when the rubber sheet 1 is installed, so that the connection between the rubber sheet 1 and the bolt and the nut is tighter, and the situation that the sealing effect of the rubber sheet 1 is poor due to the rotation of the bolt is prevented; the rubber sleeve 3 is softer through the effect of the hollow air chamber, so that the hollow air chamber is compressed when the bolt compresses the rubber sleeve 3, the rubber sleeve 3 is more attached to the bolt, and the effect of improving the tightness of the device is achieved; the valve body 17 is provided with a water through cavity 6 and a communication pipe 7 inside, so that a complete waterway is formed inside the valve body 17, the sealing device 8 is matched with a sealing diaphragm to achieve the aim of improving the sealing effect, the pneumatic bottle 9 is matched with the sealing push rod 10 to control the diaphragm valve to be opened or closed, and the sealing diaphragm is fixedly installed through the installation of the installation piece 11; the setting through the go-between 12 corresponds with sealing diaphragm, when the diaphragm valve closes, laminates mutually with sliding tray 13 through setting up of strengthening rib 4 to reach sealed effect, make sliding tray 13 laminate mutually with strengthening rib 4 through setting up of flexible diaphragm 5 simultaneously, thereby reach the effect that further improves the leakproofness, reach the effect of installing fixed sealing diaphragm through setting up of installation screw rod 14 and first nut 15 and second nut 16.
In summary, by means of the technical scheme of the utility model, the rubber sheet is conveniently installed and fixed in the pneumatic diaphragm valve through the installation of the installation hole, and the rubber sleeve is compressed through the installation of the installation screw and the first nut and the second nut when the rubber sheet is installed through the installation of the rubber sleeve, so that the connection between the rubber sheet and the installation screw and the first and second nuts is tighter, and the situation that the sealing effect of the rubber sheet is poor due to the rotation of the installation screw is prevented.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a sealing diaphragm for pneumatic diaphragm valve, includes sheet rubber (1), its characterized in that, the inside middle part of sheet rubber (1) is provided with the cavity, the middle part of sheet rubber (1) is provided with mounting hole (2), the inside middle part of mounting hole (2) is provided with rubber sleeve (3), the lower extreme of sheet rubber (1) is provided with a plurality of evenly distributed's strengthening rib (4), the lower extreme of sheet rubber (1) is provided with flexible diaphragm (5).
2. A sealing diaphragm for a pneumatic diaphragm valve according to claim 1, characterized in that the interior of the rubber sleeve (3) is a hollow air chamber.
3. The sealing membrane for the pneumatic diaphragm valve according to claim 2, wherein the reinforcing ribs (4) are fixedly connected with the rubber sheet (1), and the reinforcing ribs (4) are distributed in an annular array.
4. The utility model provides a pneumatic diaphragm valve, includes valve body (17), its characterized in that still includes the sealing diaphragm for pneumatic diaphragm valve of any one of claims 1 to 3, the inside both sides of valve body (17) are provided with logical water cavity (6), the inside middle part of valve body (17) is provided with UNICOM two logical water cavity (6) communicating pipe (7), the middle part of communicating pipe (7) is provided with sealing device (8), the upper end middle part of valve body (17) is provided with pneumatic bottle (9), the lower extreme of pneumatic bottle (9) is provided with sealing push rod (10), the lower extreme of sealing push rod (10) is provided with mounting (11).
5. A pneumatic diaphragm valve according to claim 4, wherein the sealing means (8) comprises a connecting ring (12) fixedly connected with the communication pipe (7), and sliding grooves (13) corresponding to the reinforcing ribs (4) one by one are formed in the inner wall of the connecting ring (12).
6. A pneumatic diaphragm valve according to claim 5, characterized in that the mounting member (11) comprises a mounting screw (14) connected to the sealing push rod (10), a first nut (15) is provided in the middle of the mounting screw (14), and a second nut (16) is provided at one end of the mounting screw (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322847399.4U CN221034014U (en) | 2023-10-24 | 2023-10-24 | Sealing diaphragm for pneumatic diaphragm valve and pneumatic diaphragm valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322847399.4U CN221034014U (en) | 2023-10-24 | 2023-10-24 | Sealing diaphragm for pneumatic diaphragm valve and pneumatic diaphragm valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221034014U true CN221034014U (en) | 2024-05-28 |
Family
ID=91179723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322847399.4U Active CN221034014U (en) | 2023-10-24 | 2023-10-24 | Sealing diaphragm for pneumatic diaphragm valve and pneumatic diaphragm valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221034014U (en) |
-
2023
- 2023-10-24 CN CN202322847399.4U patent/CN221034014U/en active Active
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