CN220668383U - Leak-proof pneumatic film regulating valve - Google Patents
Leak-proof pneumatic film regulating valve Download PDFInfo
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- CN220668383U CN220668383U CN202321872381.3U CN202321872381U CN220668383U CN 220668383 U CN220668383 U CN 220668383U CN 202321872381 U CN202321872381 U CN 202321872381U CN 220668383 U CN220668383 U CN 220668383U
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- 230000001105 regulatory effect Effects 0.000 title abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 83
- 230000000694 effects Effects 0.000 claims abstract description 19
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000012528 membrane Substances 0.000 claims 3
- 230000006978 adaptation Effects 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of regulating valves, and discloses a leakage-proof pneumatic film regulating valve, which comprises a valve body, a mounting seat arranged above the valve body, a valve rod penetrating through the mounting seat in a sliding manner, a valve seat fixed on the inner wall of the valve body, and further comprises: the connecting cover is fixedly connected with the connecting pipe and the surface of the connecting cover is in penetrating connection with the valve rod; the valve rod is fixedly arranged at the bottom of the valve rod and used for primary sealing, and a valve core used for further improving the sealing effect is fixedly arranged at the bottom of the mounting plate; an upper sealing mechanism which is arranged on the surface of the valve seat together and used for providing a sealing effect for the mounting plate, and a lower sealing mechanism which is arranged on the surface of the valve seat together and used for providing a sealing effect for the valve core; the connecting cover can be disconnected with the connecting pipe, and the valve rod can drive the mounting plate and the valve core to be separated from the inside of the valve body, so that an operator can replace a plurality of sealing gaskets, and the valve body and the valve rod are convenient to overhaul and maintain by the operator.
Description
Technical Field
The utility model relates to the technical field of regulating valves, in particular to a leakage-proof pneumatic film regulating valve.
Background
The pneumatic film regulating valve is one of the important devices in the automatic regulating system of the production process, receives the output signal of the regulating instrument to close and open the valve, achieves the automatic regulation of parameters such as pressure, temperature, flow, liquid level and the like, can be widely applied to the automatic regulation and remote control of chemical industry, petroleum industry, metallurgy industry, electric power industry, light spinning industry, has poor tightness, is easy to leak when in use, and is very inconvenient to use.
Through searching, for example, chinese patent literature discloses a leak-proof pneumatic film regulating valve [ publication number: CN219102063U ]. The leakage-proof pneumatic film regulating valve comprises a valve body and a valve core, wherein an installation seat is welded on the outer surface of the valve body, a groove is formed in the inner surface of the installation seat, a valve rod is embedded in the inner surface of the groove, a mounting plate is welded on the lower surface of the valve rod, the valve core is welded on the lower surface of the mounting plate, a valve seat is welded on the inner surface of the valve body, a mounting groove is formed in the inner surface of the valve seat, a first clamping groove is formed in the inner surface of the mounting groove, a first sealing ring is embedded in the inner surface of the first clamping groove, and a second clamping groove is formed in the inner surface of the mounting groove. According to the utility model, the valve seat is welded in the valve body, the first clamping groove and the second clamping groove are arranged in the mounting groove, then the first sealing ring is embedded in the first clamping groove, and the second sealing ring is embedded in the second clamping groove, and the tightness of the regulating valve can be improved by utilizing the connection between the outer surface of the valve core and the outer surface of the first sealing ring and the outer surface of the second sealing ring, so that the regulating valve is convenient to use.
The device disclosed in this patent still has the disadvantage, and the first sealing washer and the second sealing washer of the device are all fixed in the disk seat surface, and after the device long-term use, ageing wear phenomenon can appear in first sealing washer and second sealing washer, and the valve body of the device can not dismantle, and this just makes operating personnel be difficult to dismantle first sealing washer and second sealing washer and changes to influence the result of use of governing valve, make the valve body leakproofness decline.
Disclosure of Invention
The utility model aims to provide a leakage-proof pneumatic film regulating valve, which enables a connecting cover to be disconnected with a connecting pipe, and enables a valve rod to drive a mounting plate and a valve core to be separated from the inside of a valve body, so that an operator can replace a plurality of sealing gaskets, and the valve body and the valve rod are convenient to overhaul and maintain by the operator.
In order to achieve the above purpose, the present utility model provides the following technical solutions: leak protection pneumatic film governing valve, including the valve body, set up in the mount pad of valve body top, slip run through the valve rod of mount pad and be fixed in the disk seat of valve body inner wall, still include:
the connecting cover is fixedly connected with the connecting pipe and the surface of the connecting cover is in penetrating connection with the valve rod;
the valve rod is fixedly arranged at the bottom of the valve rod and used for primary sealing, and a valve core used for further improving the sealing effect is fixedly arranged at the bottom of the mounting plate;
an upper sealing mechanism mounted together on the valve seat surface for providing a sealing effect to the mounting plate and a lower sealing mechanism for providing a sealing effect to the valve cartridge.
Preferably, the upper sealing mechanism comprises a first mounting groove formed in the surface of the valve seat, a connecting plate arranged on the inner side of the first mounting groove and in sliding connection with the first mounting groove, and a first sealing gasket fixedly connected with the surface of the first connecting plate.
Preferably, the lower sealing mechanism comprises a second mounting groove formed in the surface of the valve seat, a second connecting plate which is positioned below the first sealing gasket and is in sliding connection with the surface of the second mounting groove, and a second sealing gasket fixedly connected with the second connecting plate.
Preferably, a third sealing ring for improving the sealing effect of the connecting cover and the valve body is fixed at the bottom of the connecting cover, and a clamping groove with a shape matched with the third sealing ring is formed in the surface of the connecting pipe.
Preferably, the surfaces of the connecting cover and the connecting pipe are respectively fixed with a clamping plate which is detachably connected through bolts.
Preferably, a metal plate is fixed at the bottom of the inner wall of the first mounting groove, and a magnet is fixedly connected at the bottom of the first connecting plate.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the mounting plate and the valve core are sealed through the upper sealing mechanism, the lower sealing mechanism and the valve seat, when the sealing ring needs to be replaced, the connecting cover is disconnected with the connecting pipe, so that the valve rod can drive the mounting plate and the valve core to be separated from the inside of the valve body, and the upper sealing mechanism and the lower sealing mechanism can be moved upwards at the moment, thereby realizing the replacement effect of the sealing ring, and the connecting cover is separated from the connecting pipe, so that an operator can overhaul and maintain the valve body and the valve rod conveniently.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic cross-sectional perspective view of the present utility model;
FIG. 3 is a schematic view of a partial cutaway perspective structure of the present utility model;
FIG. 4 is an enlarged schematic view of the structure of FIG. 2 according to the present utility model;
fig. 5 is an enlarged schematic view of the structure of fig. 3 at B according to the present utility model.
In the figure: 1. a valve body; 2. a connecting pipe; 3. a mounting base; 4. a valve stem; 5. a connection cover; 6. a mounting plate; 7. a valve core; 8. a valve seat; 9. an upper sealing mechanism; 91. a first mounting groove; 92. a first connection plate; 93. a first gasket; 10. a lower sealing mechanism; 101. a second connecting plate; 102. a second gasket; 103. a second mounting groove; 11. a metal plate; 12. a magnet; 13. a third seal ring; 14. and a clamping plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the anti-leakage pneumatic film regulating valve comprises a valve body 1, a mounting seat 3 arranged above the valve body 1, a valve rod 4 penetrating through the mounting seat 3 in a sliding manner and a valve seat 8 fixed on the inner wall of the valve body 1, a connecting pipe 2 communicated and fixed at the top of the valve body 1, a connecting cover 5 connected with the connecting pipe 2 and penetrating and connecting with the valve rod 4 on the surface of the top of the valve body 1, a mounting plate 6 for primary sealing at the bottom of the valve rod 4, a valve core 7 for further improving the sealing effect at the bottom of the mounting plate 6, an upper sealing mechanism 9 for providing the sealing effect for the mounting plate 6 and a lower sealing mechanism 10 for providing the sealing effect for the valve core 7 are respectively arranged on the surface of the valve seat 8, a third sealing ring 13 for improving the sealing effect between the connecting cover 5 and the valve body 1 is fixed at the bottom of the connecting cover 5, a clamping groove matched with the third sealing ring 13 in shape is formed on the surface of the connecting pipe 2, and a clamping plate 14 detachably connected through bolts is fixed on the surfaces of the connecting cover 5 and the connecting pipe 2.
The upper sealing mechanism 9 comprises a first mounting groove 91, a first connecting plate 92 and a first sealing pad 93, wherein the first mounting groove 91 is formed in the surface of the valve seat 8, the first connecting plate 92 is arranged on the inner side of the first mounting groove 91 and is in sliding connection with the first mounting groove, the first connecting plate 92 can be placed on and taken out from the surface of the first mounting groove 91, the surface of the first connecting plate 92 is fixedly connected with the first sealing pad 93, when the first connecting plate 92 is taken out from the inside of the first mounting groove 91, the first sealing pad 93 moves along with the first connecting plate 92, the first sealing pad 93 can be replaced, the surface of the first sealing pad 93 is in contact with the surface of the valve seat 8, and after the mounting plate 6 is in contact with the first sealing pad 93, the first sealing pad 93 can enable the mounting plate 6 to obtain a better sealing effect.
The lower sealing mechanism 10 comprises a second connecting plate 101, a second sealing pad 102 and a second connecting plate 101, wherein a second mounting groove 103 is formed in the surface of the valve seat 8, the second connecting plate 101 is located below the first sealing pad 93 and is slidably connected with the surface of the second mounting groove 103, the first sealing pad 93 can limit the second connecting plate 101, the second sealing pad 102 is fixedly connected with the surface of the second connecting plate 101, and when the surface of the valve core 7 is contacted with the second sealing pad 102, the second sealing pad 102 can provide a sealing effect for the valve core 7.
The bottom of first mounting groove 91 inner wall is fixed with metal sheet 11, and the bottom fixedly connected with magnet 12 of first connecting plate 92, when first connecting plate 92 is located first mounting groove 91 inner wall below, metal sheet 11 will contact with magnet 12, makes first connecting plate 92 can obtain spacing effect, and metal sheet 11 is the iron material, has guaranteed that metal sheet 11 can normally be connected with magnet 12.
Working principle: firstly, the bolts on the surface of the clamping plate 14 are disconnected, then the connecting cover 5 is movably connected upwards, the connecting cover 5 is separated from the connecting pipe 2, the valve rod 4, the mounting plate 6 and the valve core 7 are separated from the inside of the valve body 1, then the first connecting plate 92 is pulled upwards, the first sealing gasket 93 can be taken out from the surface of the valve seat 8, then the second connecting plate 101 is moved upwards, the second sealing gasket 102 can be taken out from the surface of the valve seat 8, further an operator can conveniently replace the first sealing gasket 93 and the second sealing gasket 102, and the operator can conveniently overhaul the inside of the valve body 1.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. Leak protection pneumatic film governing valve, including valve body (1), setting up mount pad (3) in valve body (1) top, slip valve rod (4) and disk seat (8) that are fixed in valve body (1) inner wall that run through mount pad (3), its characterized in that still includes:
the connecting pipe (2) is communicated and fixed with the top of the valve body (1), and a connecting cover (5) which is connected with the connecting pipe (2) and the surface of which is connected with the valve rod (4) in a penetrating way is fixed at the bottom of the mounting seat (3);
the valve rod is characterized by comprising a mounting plate (6) fixed at the bottom of the valve rod (4) and used for primary sealing, and a valve core (7) used for further improving the sealing effect is fixed at the bottom of the mounting plate (6);
install together in disk seat (8) surface and be used for providing sealing effect's last sealing mechanism (9) for mounting panel (6), go up sealing mechanism (9) including offer in first mounting groove (91) on disk seat (8) surface and set up in inboard of first mounting groove (91) and rather than sliding connection's connecting plate (92), still include first sealed pad (93) with first connecting plate (92) fixed surface connection to and be used for providing sealing effect's for case (7) lower sealing mechanism (10), lower sealing mechanism (10) are including seting up in second mounting groove (103) on disk seat (8) surface, be located first sealing pad (93) below and with second mounting groove (103) surface sliding connection's second connecting plate (101) and surface and second sealing pad (102) of second connecting plate (101) fixed surface connection.
2. The leak-proof pneumatic membrane regulator valve of claim 1, wherein: the bottom of connecting lid (5) is fixed with third sealing washer (13) that are used for improving the sealed effect of connecting lid (5) and valve body (1), the draw-in groove of shape and third sealing washer (13) looks adaptation is seted up to the surface of connecting pipe (2).
3. The leak-proof pneumatic membrane regulator valve of claim 1, wherein: the surfaces of the connecting cover (5) and the connecting pipe (2) are respectively fixed with a clamping plate (14) which is detachably connected through bolts.
4. The leak-proof pneumatic membrane regulator valve of claim 1, wherein: the bottom of the inner wall of the first mounting groove (91) is fixedly provided with a metal plate (11), and the bottom of the first connecting plate (92) is fixedly connected with a magnet (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321872381.3U CN220668383U (en) | 2023-07-17 | 2023-07-17 | Leak-proof pneumatic film regulating valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321872381.3U CN220668383U (en) | 2023-07-17 | 2023-07-17 | Leak-proof pneumatic film regulating valve |
Publications (1)
Publication Number | Publication Date |
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CN220668383U true CN220668383U (en) | 2024-03-26 |
Family
ID=90326770
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202321872381.3U Active CN220668383U (en) | 2023-07-17 | 2023-07-17 | Leak-proof pneumatic film regulating valve |
Country Status (1)
Country | Link |
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CN (1) | CN220668383U (en) |
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2023
- 2023-07-17 CN CN202321872381.3U patent/CN220668383U/en active Active
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