CN220396605U - Quick-clamping diaphragm check valve - Google Patents
Quick-clamping diaphragm check valve Download PDFInfo
- Publication number
- CN220396605U CN220396605U CN202322197857.4U CN202322197857U CN220396605U CN 220396605 U CN220396605 U CN 220396605U CN 202322197857 U CN202322197857 U CN 202322197857U CN 220396605 U CN220396605 U CN 220396605U
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- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000012856 packing Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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- Check Valves (AREA)
Abstract
The utility model relates to the technical field of check valves, in particular to a quick-clamping diaphragm check valve. The utility model provides a quick card diaphragm check valve, includes left valve body and the right valve body of putting about, left valve body left end is equipped with air inlet, right-hand member is equipped with diaphragm case mechanism, right valve body right-hand member is equipped with the gas outlet, left valve body with the cover is equipped with sealed pad between the right valve body, left valve body right valve body with through a bolt fixed connection between the sealed pad, the inner chamber of left valve body with the inner chamber of right valve body is linked together and is constituted the transport chamber. The gas in the right valve body is blocked by the rubber valve plate and cannot flow back, compressed air can be effectively prevented from driving materials to flow back in a conveying system pipeline, the installation position of the return valve is not limited, the return valve can be installed on a horizontal pipeline or a vertical pipeline, components needing to be damaged can be independently replaced in the repairing process, the whole check valve does not need to be removed from the conveying system pipeline, and the maintenance cost and convenience are improved.
Description
Technical Field
The utility model relates to the technical field of check valves, in particular to a quick-clamping diaphragm check valve.
Background
The check valve is a valve with a circular valve clack and can stop the medium from flowing backwards by the action of the self weight and the medium pressure, and is commonly used as a bottom valve of a water pumping device and can prevent the backflow of water.
The general vertical lifting check valve adopts a more complex spring valve core structure, the requirement on the spring is higher, and the pretightening force of the spring changes to a certain extent along with the change of time and temperature; when abrasion occurs in the vertical lifting check valve and the check flow effect is reduced, the whole vertical lifting check valve in the pipeline needs to be replaced, and the components in the vertical lifting check valve cannot be replaced independently, so that the installation and maintenance are inconvenient, and the maintenance cost is high.
Disclosure of Invention
The utility model aims to provide a quick-clamping diaphragm check valve so as to solve the problems in the background art.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a quick card diaphragm check valve, includes left valve body and the right valve body of putting about, left valve body left end is equipped with air inlet, right-hand member is equipped with diaphragm case mechanism, right valve body right-hand member is equipped with the gas outlet, left valve body with the cover is equipped with sealed pad between the right valve body, left valve body right valve body with through a bolt fixed connection between the sealed pad, the inner chamber of left valve body with the inner chamber of right valve body is linked together and is constituted the transport chamber.
Further, the diaphragm valve core mechanism comprises a mounting groove, a second bolt, an air inlet valve plate, an air inlet hole, a rubber valve plate, a third bolt and an arc washer, wherein the mounting groove is formed in the inner wall of the right side of the left valve body, the air inlet valve plate is fixedly connected with the inner wall of the mounting groove through a plurality of second bolts, a threaded hole and a plurality of air inlet holes are formed in the inner wall of the air inlet valve plate, the rubber valve plate is connected with the rubber valve plate through the third bolt, the rubber valve plate is movably arranged on the right side wall of the air inlet valve plate, the screw rod of the third bolt extends to the left side of the air inlet valve plate, a nut is sleeved on the outer wall of the screw rod of the third bolt, the arc washer is arranged between the rubber valve plate and the head of the third bolt, and the opening of the arc washer is rightwards, and a plurality of air inlet holes are completely mapped on the rubber valve plate, so that all the air inlet holes can be blocked.
Further, the screw hole is located the center department of valve plate that admits air, the screw rod of bolt three with screw hole threaded connection, the rubber valve block adopts the thick rubber material that can take place deformation for the rubber valve block takes place deformation under the gaseous impact in left side.
Further, the inner wall of the right side of the air inlet valve plate is provided with a plurality of grooves, the head of the second bolt is positioned in the grooves, and the head of the second bolt is matched with the grooves.
Further, the outer diameter of the mounting groove is equal to that of the air inlet valve plate, so that air leakage of a gap between the air inlet valve plate and the left valve body is avoided, and control over air flow is enhanced.
Further, the left valve body, the right valve body, the air inlet valve plate and the arc-shaped gasket are made of stainless steel, the cross sectional areas of a plurality of air inlet holes are different, and corrosion resistance of the check valve is improved.
Compared with the prior art, the utility model has the following beneficial effects:
the gas in the right valve body is blocked by the rubber valve plate and cannot flow back, compressed air can be effectively prevented from driving materials to flow back in a conveying system pipeline, the installation position of the return valve is not limited, the return valve can be installed on a horizontal pipeline or a vertical pipeline, components needing to be damaged can be independently replaced in the repairing process, the whole check valve does not need to be removed from the conveying system pipeline, and the maintenance cost and convenience are improved.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a front cross-sectional view of the entirety of the present utility model;
FIG. 2 is an enlarged view of a portion of the utility model at A in FIG. 1;
FIG. 3 is a left side view of an intake valve plate of the present utility model;
FIG. 4 is a front cross-sectional view of the interior of the present utility model;
in the figure: 1. a left valve body; 2. a right valve body; 3. an air inlet; 4. an air outlet; 5. a sealing gasket; 6. a first bolt; 7. a second bolt; 8. an intake valve plate; 9. an air inlet hole; 10. a rubber valve plate; 11. a third bolt; 12. an arc washer; 13. a mounting groove; 14. a threaded hole; 15. a groove; 16. and (3) a nut.
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 and 2, the present utility model provides the following technical solutions: the utility model provides a quick card diaphragm check valve, includes left valve body 1 and right valve body 2 of putting about, left valve body 1 left end is equipped with air inlet 3, right-hand member is equipped with diaphragm case mechanism, right valve body 2 right-hand member is equipped with gas outlet 4, left valve body 1 with the cover is equipped with sealed pad 5 between right valve body 2, left valve body 1 right valve body 2 with through a 6 fixed connection of bolt between sealed pad 5, the inner chamber of left valve body 1 with the inner chamber of right valve body 2 is linked together and is constituteed the transport chamber.
Fig. 3 and fig. 4, diaphragm case mechanism includes mounting groove 13, bolt two 7, air intake valve plate 8, inlet port 9, rubber valve block 10, bolt three 11 and arc packing ring 12, left side valve body 1 right side inner wall is equipped with mounting groove 13, mounting groove 13 inner wall is through a plurality of bolt two 7 fixedly connected with air intake valve plate 8, be equipped with a screw hole 14 and a plurality of inlet port 9 of air intake valve plate 8 inner wall, air intake valve plate 8 is connected with rubber valve block 10 through bolt three 11, rubber valve block 10 activity locates air intake valve plate 8 right side wall, the screw rod of bolt three 11 extends to air intake valve plate 8 left side, just the screw rod outer wall cover of bolt three 11 is equipped with nut 16, rubber valve block 10 with be equipped with arc packing ring 12 between the head of bolt three 11, a plurality of arc packing ring 12's opening right, a plurality of inlet port 9 all map completely on the rubber valve block 10 for rubber valve block 10 can all be equipped with screw hole 14 and be located air intake valve plate 8's center department, three 11 screw rod with screw hole 14, rubber valve block 14 is connected with rubber valve block 10 and can take place the screw hole 10 and take place, two and take place the deformation in the recess 15 is equipped with two in the head 15 of the inner wall of bolt two side 15, the deformation phase of the valve plate is equipped with the head 15.
The specific implementation mode is as follows: when the device is used, the air inlet 3 of the left valve body 1 and the air outlet 4 of the right valve body 2 are fixedly connected with an external conveying system pipeline, air enters the air inlet 9 through the air inlet 3, the rightward flowing power of the air drives the rubber valve plate 10 to deform rightward, the bolt III 11 and the nut 16 fix the center of the rubber valve plate 10, the rightward flowing air flows out of a gap between the rubber valve plate 10 and the air inlet valve plate 8 rightward, after the air inlet 3 does not flow in, the rubber valve plate 10 is reset under the action of self-elasticity, the rubber valve plate 10 is quickly clamped back to the right side wall of the air inlet valve plate 8 again, the left side wall of the rubber valve plate 10 is attached to the right side wall of the air inlet valve plate 8, the right sides of the air inlets 9 are closed by the rubber valve plate 10, the air in the right valve body 2 is blocked by the rubber valve plate 10 and cannot flow back, the compressed air can be effectively prevented from driving materials to flow reversely in the conveying system pipeline, and the mounting position of the return valve is not limited, and the return valve can be mounted on a horizontal pipeline or a vertical pipeline; during maintenance, the first bolt 6 is removed, the left valve body 1 and the right valve body 2 are separated, the sealing gasket 5 and the second bolt 7 are removed, the air inlet valve plate 8 can be replaced, the nut 16 and the third bolt 11 are removed, the rubber valve plate 10 can be replaced, the parts needing to be damaged can be replaced independently in the repairing process, the whole check valve does not need to be removed from the conveying system pipeline, and maintenance cost and convenience are improved.
Referring to fig. 1-4, the present utility model provides the following technical solutions: the utility model provides a quick card diaphragm check valve, mounting groove 13 the external diameter with the external diameter of air inlet valve plate 8 equals, avoids air inlet valve plate 8 and the clearance gas leakage of left valve body 1, strengthens the control to the gas flow, left valve body 1 right valve body 2 air inlet valve plate 8 with arc packing ring 12 is stainless steel material, a plurality of the cross-sectional area of inlet port 9 is different, improves the corrosion resistance of this check valve.
The specific implementation mode is as follows: when the check valve is used, gas passes through the left valve body 1, the right valve body 2, the air inlet valve plate 8 and the arc-shaped gasket 12 which are made of stainless steel materials, so that the corrosion of the gas to the check valve can be reduced, and the service life of the check valve can be prolonged.
The working principle of the utility model is as follows:
the gas in the right valve body 2 is blocked by the rubber valve plate 10 and cannot flow back, compressed air can be effectively prevented from driving materials to flow reversely in a conveying system pipeline, the installation position of the return valve is not limited, the return valve can be installed on a horizontal pipeline or a vertical pipeline, components needing to be damaged can be independently replaced in the repairing process, the whole check valve does not need to be removed from the conveying system pipeline, and the maintenance cost and convenience are improved.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. A quick-snap diaphragm check valve, characterized in that: left valve body (1) and right valve body (2) of putting about including, left valve body (1) left end is equipped with air inlet (3), right-hand member is equipped with diaphragm case mechanism, right valve body (2) right-hand member is equipped with gas outlet (4), left valve body (1) with the cover is equipped with sealed pad (5) between right valve body (2), left valve body (1) right valve body (2) with through bolt one (6) fixed connection between sealed pad (5), the inner chamber of left valve body (1) with the inner chamber of right valve body (2) is linked together and is constituteed and carry the chamber.
2. A quick-snap diaphragm check valve as defined in claim 1, wherein: the diaphragm valve core mechanism comprises a mounting groove (13), a second bolt (7), an air inlet valve plate (8), an air inlet hole (9), a rubber valve plate (10), a third bolt (11) and an arc washer (12), wherein the mounting groove (13) is formed in the right inner wall of the left valve body (1), the air inlet valve plate (8) is fixedly connected with the inner wall of the mounting groove (13) through a plurality of second bolts (7), a threaded hole (14) and a plurality of air inlet holes (9) are formed in the inner wall of the air inlet valve plate (8), the rubber valve plate (8) is connected with the rubber valve plate (10) through the third bolt (11), the rubber valve plate (10) is movably arranged on the right side wall of the air inlet valve plate (8), a screw rod of the third bolt (11) extends to the left side of the air inlet valve plate (8), a nut (16) is sleeved on the outer wall of the screw rod of the third bolt (11), the arc washer (12) is arranged between the head of the rubber valve plate (10) and the arc washer (12) is rightwards, and a plurality of air inlet holes (9) are all mapped on the rubber valve plate (10).
3. A quick-snap diaphragm check valve as defined in claim 2, wherein: the threaded hole (14) is positioned at the center of the air inlet valve plate (8), the screw rod of the third bolt (11) is in threaded connection with the threaded hole (14), and the rubber valve plate (10) is made of thick rubber capable of being deformed.
4. A quick-snap diaphragm check valve as defined in claim 2, wherein: the right inner wall of the air inlet valve plate (8) is provided with a plurality of grooves (15), and the head of the second bolt (7) is positioned in the grooves (15).
5. A quick-snap diaphragm check valve as defined in claim 2, wherein: the outer diameter of the mounting groove (13) is equal to the outer diameter of the air inlet valve plate (8), so that air leakage between the air inlet valve plate (8) and the left valve body (1) is avoided.
6. A quick-snap diaphragm check valve as defined in claim 2, wherein: the left valve body (1), the right valve body (2), the air inlet valve plate (8) and the arc-shaped gasket (12) are made of stainless steel, and the cross sectional areas of a plurality of air inlet holes (9) are different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322197857.4U CN220396605U (en) | 2023-08-16 | 2023-08-16 | Quick-clamping diaphragm check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322197857.4U CN220396605U (en) | 2023-08-16 | 2023-08-16 | Quick-clamping diaphragm check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220396605U true CN220396605U (en) | 2024-01-26 |
Family
ID=89608669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322197857.4U Active CN220396605U (en) | 2023-08-16 | 2023-08-16 | Quick-clamping diaphragm check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220396605U (en) |
-
2023
- 2023-08-16 CN CN202322197857.4U patent/CN220396605U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240427 Address after: No. 9 Maoxu Road, Liuhe District, Nanjing City, Jiangsu Province, 211500 Patentee after: Nanjing padik Intelligent Equipment Co.,Ltd. Country or region after: China Address before: Room 402, Building 55, No. 2 Bairun Road, Pukou District, Nanjing City, Jiangsu Province, 211500 Patentee before: Xiao Yonggao Country or region before: China |
|
| TR01 | Transfer of patent right |