CN215573633U - Check valve sealing performance detection device - Google Patents
Check valve sealing performance detection device Download PDFInfo
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- CN215573633U CN215573633U CN202121251734.9U CN202121251734U CN215573633U CN 215573633 U CN215573633 U CN 215573633U CN 202121251734 U CN202121251734 U CN 202121251734U CN 215573633 U CN215573633 U CN 215573633U
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- check valve
- vacuum
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- cavity
- vacuum pump
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Abstract
The utility model provides a check valve leakproofness detection device, this check valve leakproofness detection device includes vacuum pump, connecting pipe, detection fixed part and vacuum detector detect and be formed with the cavity in the fixed part, the vacuum pump passes through the connecting pipe with the cavity that detects the fixed part links to each other detect still be provided with the fixed orifices that fixed check valve was used on the fixed part, vacuum detector with the cavity intercommunication is right vacuum in the cavity detects. The check valve sealing performance detection device is simple in structure and simple and convenient in detection process.
Description
Technical Field
The utility model relates to the technical field of detection equipment, in particular to a device for detecting the sealing property of a one-way valve.
Background
The check valve is one of common parts in various equipment, and in order to ensure the straightness of the check valve, the check valve needs to have better air tightness, and the difference of the air tightness of the check valves of the same specification needs to be kept within a certain range, so as to avoid larger errors of the whole equipment. In order to achieve the purpose, the air tightness of the check valve needs to be detected, and the traditional check valve air tightness detection device is complex, high in cost and complex in detection process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a check valve sealing performance detection device which is simple in structure and simple and convenient in detection process.
The utility model provides a check valve tightness detection device which comprises a vacuum pump, a connecting pipe, a detection fixing part and a vacuum detector, wherein a cavity is formed in the detection fixing part, the vacuum pump is connected with the cavity of the detection fixing part through the connecting pipe, a fixing hole for fixing a check valve is further formed in the detection fixing part, and the vacuum detector is communicated with the cavity and is used for detecting the vacuum degree in the cavity.
Further, a sealing gasket is arranged at the fixing hole.
Furthermore, the fixed holes on the detection fixed part are multiple, and the detection fixed part also comprises multiple plugs for plugging the unused fixed holes.
Furthermore, a filter pipe is arranged on the connecting pipe.
Further, an air pressure adjusting valve for adjusting the vacuum degree of the vacuum pump is provided between the vacuum pump and the detection fixing portion.
Further, the vacuum detector is a vacuum gauge.
In summary, the cavity is formed in the detection fixing portion and is connected with the vacuum pump through the connecting pipe, when the sealing performance of the check valve is detected, the check valve is fixed in the fixing hole, the vacuum pump is started to enable the vacuum pump to start working, a negative pressure environment is formed in the cavity, the vacuum degree in the cavity can be detected through the vacuum detector, and the sealing performance of the check valve is judged through the vacuum degree on the vacuum detector.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of a check valve tightness detection device according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of the detection fixing portion in fig. 1.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the utility model, the present invention will be described in detail with reference to the accompanying drawings and preferred embodiments.
The utility model aims to provide a check valve sealing performance detection device which is simple in structure and simple and convenient in detection process.
Fig. 1 is a schematic structural diagram of a check valve tightness detection device according to an embodiment of the present invention, and fig. 2 is a schematic structural diagram of a detection fixing portion in fig. 1. As shown in fig. 1 and 2, the check valve tightness detecting device of the present embodiment includes a vacuum pump 10, a connecting pipe 20, a detecting fixing portion 30, and a vacuum detector 40. A cavity (not shown) is formed in the detection fixing part 30, the vacuum pump 10 is connected to the cavity of the detection fixing part 30 through the connection pipe 20, a fixing hole 31 for fixing the check valve 50 is further formed in the detection fixing part 30, and the vacuum detector 40 is communicated with the cavity to detect the degree of vacuum in the cavity.
In this embodiment, through forming the cavity in detecting fixed part 30, and link to each other with vacuum pump 10 through connecting pipe 20, when the leakproofness that carries out check valve 50 detects, be fixed in check valve 50 in fixed orifices 31, open vacuum pump 10 and make vacuum pump 10 begin to work, form the negative pressure environment in the cavity, can detect the vacuum in the cavity through vacuum detector 40, come to judge check valve 50's leakproofness through the vacuum on the vacuum detector 40, the structure is comparatively simple, and the testing process is comparatively simple and convenient.
Further, in order to fix the check valve 50 well during the test, a sealing pad (not shown) is further disposed at the fixing hole 31, and after a negative pressure environment is formed in the cavity, the check valve 50 may be pressed against the sealing pad to ensure the sealing performance between the check valve 50 and the test fixing portion 30.
Further, in this embodiment, there are a plurality of fixing holes 31 on the detection fixing portion 30, the plurality of fixing holes 31 may have different hole diameters to accommodate different types of check valves 50, and the detection fixing portion 30 further includes a plurality of plugs 32, when the check valve 50 is fixed in one of the fixing holes 31, the plugs 32 are plugged in the other unused fixing holes 31 to prevent the other fixing holes 31 from interfering with the detection result.
Further, a filter pipe 21 is provided on the connection pipe 20 to protect the vacuum pump 10.
Further, an air pressure regulating valve (not shown) for controlling the degree of vacuum of the vacuum pump 10 is further provided between the vacuum pump 10 and the detection fixing part 30.
Further, in the present embodiment, the vacuum detector 40 may be a vacuum gauge.
In summary, in the present invention, the cavity is formed in the detection fixing portion 30 and is connected to the vacuum pump 10 through the connecting pipe 20, when the sealing performance of the check valve 50 is detected, the check valve 50 is fixed in the fixing hole 31, the vacuum pump 10 is started to start the operation of the vacuum pump 10, a negative pressure environment is formed in the cavity, the vacuum degree in the cavity can be detected through the vacuum detector 40, and the sealing performance of the check valve 50 is determined through the vacuum degree on the vacuum detector 40, which is simple in structure and simple and convenient in detection process.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (6)
1. The utility model provides a check valve leakproofness detection device which characterized in that: the vacuum detection device comprises a vacuum pump, a connecting pipe, a detection fixing part and a vacuum detector, wherein a cavity is formed in the detection fixing part, the vacuum pump is connected with the cavity of the detection fixing part through the connecting pipe, a fixing hole for fixing a one-way valve is further formed in the detection fixing part, and the vacuum detector is communicated with the cavity and detects the vacuum degree in the cavity.
2. The check valve sealability detection apparatus of claim 1, wherein: and a sealing gasket is also arranged at the fixing hole.
3. The check valve sealability detection apparatus of claim 1, wherein: the detection fixing part is provided with a plurality of fixing holes, and the detection fixing part further comprises a plurality of plugs for plugging the unused fixing holes.
4. The check valve sealability detection apparatus of claim 1, wherein: the connecting pipe is also provided with a filter pipe.
5. The check valve sealability detection apparatus of claim 1, wherein: and an air pressure regulating valve for regulating the vacuum degree of the vacuum pump is arranged between the vacuum pump and the detection fixing part.
6. The check valve sealability detection apparatus of claim 1, wherein: the vacuum detector is a vacuum gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121251734.9U CN215573633U (en) | 2021-06-04 | 2021-06-04 | Check valve sealing performance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121251734.9U CN215573633U (en) | 2021-06-04 | 2021-06-04 | Check valve sealing performance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215573633U true CN215573633U (en) | 2022-01-18 |
Family
ID=79866431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121251734.9U Active CN215573633U (en) | 2021-06-04 | 2021-06-04 | Check valve sealing performance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215573633U (en) |
-
2021
- 2021-06-04 CN CN202121251734.9U patent/CN215573633U/en active Active
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