CN224150390U - A pressure valve calibrator with variable diameter device - Google Patents
A pressure valve calibrator with variable diameter deviceInfo
- Publication number
- CN224150390U CN224150390U CN202521186078.7U CN202521186078U CN224150390U CN 224150390 U CN224150390 U CN 224150390U CN 202521186078 U CN202521186078 U CN 202521186078U CN 224150390 U CN224150390 U CN 224150390U
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- CN
- China
- Prior art keywords
- pressure valve
- head
- threaded
- valve body
- fastening nut
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Abstract
The utility model discloses a reducing device of a pressure valve calibrator, which comprises an upper connecting component, a lower connecting component and a pressure valve body, wherein the upper connecting component comprises an upper fixed head, the top end of the upper fixed head is fixedly connected with a connector, the bottom end of the upper fixed head is provided with a threaded connector, the lower connecting component comprises a lower fixed head, the top end of the lower fixed head is fixedly connected with a first threaded head, the first threaded head is in threaded connection with the threaded connector, the bottom end of the lower fixed head is fixedly connected with a second threaded head, the second threaded head is in threaded connection with the pressure valve body, and a first sealing ring is clamped in the threaded connector. According to the utility model, the first fastening nut and the second fastening nut are unscrewed, and then the pressure valve body and the upper fixing head are detached from the second threaded head and the first threaded head, so that the lower connecting component matched with the caliber of the pressure valve body is replaced, and the reducing of the pressure valve calibrator is realized.
Description
Technical Field
The utility model relates to the technical field of pressure valve calibrator connection, in particular to a diameter-changing device of a pressure valve calibrator.
Background
The pressure valve calibrator is special equipment for detecting the performance of the pressure valve, is also called a pressure calibration table, and is mainly used for verifying key parameters such as the opening pressure, the closing pressure, the tightness and the like of the pressure valve.
At present, in the use process of the existing pressure valve calibrator, the pipeline joints of the pressure valve and the calibrator are connected through connectors, but the calibers of the pressure valve joints of different types are inconsistent, and the connectors connected with the calibrator are inconvenient to replace, so that the universality of the calibrator for calibrating the pressure valves of different types is reduced, and in order to improve the technical progress of industry, the connecting function of the pressure valve and the calibrator is better realized, and the core technical competitiveness is improved.
Disclosure of utility model
The utility model aims to solve the problem that the universality of the calibrator for calibrating pressure valves of different types is reduced because connectors connected with the calibrator are inconvenient to replace due to inconsistent calibers of the connecting positions of the pressure valves of different types in the use process of the conventional pressure valve calibrator.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a pressure valve calibrator reducing device, includes coupling assembling, lower coupling assembling and pressure valve body, go up coupling assembling and including last fixed head, go up the top fixedly connected with connector of fixed head, the bottom of going up the fixed head is equipped with the screwed connection mouth, coupling assembling is including lower fixed head down, the first screw thread head of top fixedly connected with of fixed head down, first screw thread head and screwed connection mouth threaded connection, the bottom fixedly connected with second screw thread head of fixed head down, second screw thread head and pressure valve body threaded connection.
Further, a first sealing ring is clamped in the threaded connection port, and one end of the first threaded head is in contact with the first sealing ring.
Further, the bottom end of the second thread head is fixedly connected with a second sealing ring, and the second sealing ring is in contact with the pressure valve body.
Further, the outer wall thread of the first thread head is connected with a first fastening nut in a threaded mode, and the first fastening nut is in contact with one end of the upper fixing head.
Further, the outer wall of the second thread head is in threaded connection with a second fastening nut, and the second fastening nut is in contact with the pressure valve body.
Further, the top of connector joint has the connector.
Further, the top end of the connecting tube head is connected with an effective detector connecting tube in a threaded manner.
The beneficial effects of the utility model are as follows:
1. By unscrewing the first fastening nut and the second fastening nut, the pressure valve body and the upper fixing head are detached from the second thread head and the first thread head so as to replace the lower connecting component matched with the caliber of the pressure valve body, thereby realizing the reducing of the pressure valve calibrator.
2. The pressure valve body and the upper fixing head are fastened by tightening the first fastening nut and the second fastening nut, so that the connection between the lower connecting assembly and the upper connecting assembly and the pressure valve body are reinforced.
3. The first sealing ring and the second sealing ring are arranged to seal the upper connecting assembly, the lower connecting assembly and the pressure valve body, so that the air tightness of the pressure valve calibrator is improved.
Drawings
FIG. 1 is a schematic perspective view of a reducing device of a pressure valve calibrator according to the present utility model;
FIG. 2 is a schematic cross-sectional view of an upper connecting assembly of a reducing device of a pressure valve calibrator according to the present utility model;
FIG. 3 is a schematic cross-sectional view of a lower connecting assembly of a reducing device of a pressure valve calibrator according to the present utility model;
FIG. 4 is a schematic cross-sectional front view of a diameter-variable device of a pressure valve calibrator according to the present utility model;
FIG. 5 is a schematic cross-sectional view of a pressure valve and a check device of the present utility model;
Fig. 6 is a schematic diagram of a cross-sectional structure of a connection state between a pressure valve and a tester and a connection assembly under other calibers of a pressure valve tester reducing device according to the present utility model.
The device comprises an upper connecting component, an upper fixing head, a connector, a 103, a threaded connector, a 2, a lower connecting component, a 201, a lower fixing head, a 202, a first threaded head, a 203, a second threaded head, a 3, a first sealing ring, a 4, a second sealing ring, a 5, a first fastening nut, a 6, a second fastening nut, a 7, a pressure valve body, an 8, a tester connecting pipe and a 9, connecting pipe head.
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.
Referring to fig. 1-6, a reducing device for a pressure valve calibrator comprises an upper connecting component 1, a lower connecting component 2 and a pressure valve body 7, wherein the upper connecting component 1 comprises an upper fixing head 101, a connector 102 is integrally formed at the top end of the upper fixing head 101, a threaded connection port 103 is arranged at the bottom end of the upper fixing head 101, the lower connecting component 2 comprises a lower fixing head 201, a first threaded head 202 is integrally formed at the top end of the lower fixing head 201, the first threaded head 202 is in threaded connection with the threaded connection port 103, a second threaded head 203 is integrally formed at the bottom end of the lower fixing head 201, the second threaded head 203 is in threaded connection with the pressure valve body 7, a first fastening nut 5 and a second fastening nut 6 are unscrewed, and the pressure valve body 7 and the upper fixing head 101 are detached from the second threaded head 203 and the first threaded head 202 so as to replace the lower connecting component 2 which is matched with the caliber of the pressure valve body 7.
The first sealing ring 3 is clamped in the threaded connection port 103, and one end of the first threaded head 202 is in contact with the first sealing ring 3, so that the first threaded head 202 and the upper fixing head 101 are sealed.
The bottom end of the second screw thread head 203 is adhered with a second sealing ring 4, the second sealing ring 4 is in contact with the pressure valve body 7, and the second sealing ring 4 is used for sealing between the pressure valve body 7 and the second screw thread head 203.
The outer wall of the first thread head 202 is in threaded connection with a first fastening nut 5, the first fastening nut 5 is in contact with one end of the upper fixing head 101, and the upper fixing head 101 is fastened by tightening the first fastening nut 5.
The outer wall of the second screw thread head 203 is screwed with a second fastening nut 6, the second fastening nut 6 is in contact with the pressure valve body 7, and the second fastening nut 6 is screwed up to abut against the pressure valve body 7, thereby fastening the pressure valve body 7.
The top joint of connector 102 has connecting pipe head 9, and the top threaded connection of connecting pipe head 9 is effective to be checked ware connecting pipe 8.
The working principle of the embodiment is that when the pressure valve is used, the pressure valve body 7 is connected with one end of the second thread head 203 in a threaded manner, the second sealing ring 4 is utilized to seal between the pressure valve body 7 and the second thread head 203, the second fastening nut 6 is tightened to be abutted against the pressure valve body 7, so that the pressure valve body 7 is fastened, and then the tester connecting pipe 8 is connected with the pressure valve tester, so that the pressure valve detection can be performed;
When the pressure valve body 7 of different types needs to be detected, the first fastening nut 5 and the second fastening nut 6 are unscrewed, the pressure valve body 7 and the upper fixing head 101 are detached from the second thread head 203 and the first thread head 202, then the lower connecting component 2 matched with the caliber of the pressure valve body 7 is replaced, then the lower connecting component 2 is screwed between the pressure valve body 7 and the upper fixing head 101, and the first fastening nut 5 and the second fastening nut 6 are screwed to fasten the pressure valve body 7 and the upper fixing head 101, so that the replacement of the lower connecting component 2 is completed.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides a pressure valve calibrator reducing device, includes coupling assembling (1), lower coupling assembling (2) and pressure valve body (7), its characterized in that, go up coupling assembling (1) including last fixed head (101), the top fixedly connected with connector (102) of going up fixed head (101), the bottom of going up fixed head (101) is equipped with screwed connection mouth (103), coupling assembling (2) including lower fixed head (201), the top fixedly connected with first screw thread head (202) of lower fixed head (201), first screw thread head (202) and screwed connection mouth (103) threaded connection, the bottom fixedly connected with second screw thread head (203) of lower fixed head (201), second screw thread head (203) and pressure valve body (7) threaded connection.
2. The reducing device of the pressure valve calibrator according to claim 1, wherein the threaded connection port (103) is internally clamped with a first sealing ring (3), and one end of the first threaded head (202) is in contact with the first sealing ring (3).
3. The reducing device of the pressure valve calibrator according to claim 1, wherein the bottom end of the second thread head (203) is fixedly connected with a second sealing ring (4), and the second sealing ring (4) is in contact with the pressure valve body (7).
4. A pressure valve verifier reducing device according to claim 1, characterized in that the outer wall of the first threaded head (202) is threaded with a first fastening nut (5), the first fastening nut (5) being in contact with one end of the upper fixing head (101).
5. A pressure valve verifier reducing device according to claim 1, characterized in that the outer wall of the second screw head (203) is screwed with a second fastening nut (6), the second fastening nut (6) being in contact with the pressure valve body (7).
6. The reducing device of the pressure valve calibrator according to claim 1, wherein the top end of the connecting head (102) is clamped with a connecting head (9).
7. A pressure valve verifier reducing arrangement according to claim 6, characterized in that the top end of the connection head (9) is threaded with an effective verifier connection tube (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202521186078.7U CN224150390U (en) | 2025-06-11 | 2025-06-11 | A pressure valve calibrator with variable diameter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202521186078.7U CN224150390U (en) | 2025-06-11 | 2025-06-11 | A pressure valve calibrator with variable diameter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN224150390U true CN224150390U (en) | 2026-04-21 |
Family
ID=99468541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202521186078.7U Active CN224150390U (en) | 2025-06-11 | 2025-06-11 | A pressure valve calibrator with variable diameter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN224150390U (en) |
-
2025
- 2025-06-11 CN CN202521186078.7U patent/CN224150390U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |