CN112834116B - Sealing test device with adjustable pressing force for bipyramid valve - Google Patents
Sealing test device with adjustable pressing force for bipyramid valve Download PDFInfo
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- CN112834116B CN112834116B CN202110002592.0A CN202110002592A CN112834116B CN 112834116 B CN112834116 B CN 112834116B CN 202110002592 A CN202110002592 A CN 202110002592A CN 112834116 B CN112834116 B CN 112834116B
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- pipe joint
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a sealing test device with adjustable pressing force for a double-cone valve, relates to the technical field of precision assembly tests of aviation machinery, and solves the technical problem that the pressing force required by the double-cone valve test device in the prior art cannot be adjusted so as to influence the test effect of the double-cone valve test device. The technical characteristics include that the positioning assembly is internally provided with an adjusting assembly; the adjusting assembly comprises a positioning pipe joint assembly arranged at one end of the positioning assembly and an adjusting pipe joint assembly arranged at the other end of the positioning assembly, and a space between the positioning pipe joint assembly and the adjusting pipe joint assembly is a mounting space of the double-cone valve. The spring-side conical surface sealing device has the advantages that constant-value pressing force required by a conical surface sealing test on one side close to the spring can be provided, the spring-side conical surface sealing device is tested in a detection mode, and the test requirement is met.
Description
Technical Field
The invention relates to the technical field of precision assembly tests of aviation machinery, in particular to a sealing test device with adjustable pressing force for a double-cone valve.
Background
The valve is a valve part with the basic functions of direction control, pressure control or flow control realized by the movement of the valve body, and in the prior art, the conical surface seal at one side far away from the spring in the double-cone valve can only be detected.
Disclosure of Invention
The invention aims to solve the technical problems that in the prior art, only the conical surface seal at one side far away from a spring in a double-cone valve can be detected, and the fixed-value pressing force required by the conical surface seal test at one side close to the spring cannot be provided, the detection test cannot be performed, and the test requirement cannot be met, and provides a sealing test device with adjustable pressing force for the double-cone valve.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a sealing test device with adjustable pressing force for a biconical valve comprises:
the positioning assembly is internally provided with an adjusting assembly;
the adjusting assembly comprises a positioning pipe joint assembly arranged at one end of the positioning assembly and an adjusting pipe joint assembly arranged at the other end of the positioning assembly, and a space between the positioning pipe joint assembly and the adjusting pipe joint assembly is a mounting space of the double-cone valve.
Further, the locating component comprises a body, the body is of a hollow revolution structure, the outer surface of the body is of a step form, a flat groove used for clamping a wrench is formed in the body, threads are arranged at two ends of an inner cavity of the body, and smooth circumferential surfaces are arranged between the threads at two ends.
Further, the locating pipe joint assembly includes:
the positioning pipe joint is provided with a first end in threaded connection with the body and a second end in pipeline connection with the tester, a hexagonal body is arranged between the first end and the second end, the bottom surface of the hexagonal body, which is close to the first end, is attached to the top surface of the body, and a first sealing ring for sealing a gap between the positioning pipe joint and the body is embedded at the first end of the positioning pipe joint;
the inside of the positioning pipe joint is provided with a through step hole, and the second end part of the positioning pipe joint is provided with a 74-degree conical surface sealed with a tester pipeline;
the pressing sleeve is inserted into the step hole at the first end of the positioning pipe joint, and a step through hole is formed in the pressing sleeve;
the force measuring rod is inserted into the step hole at the second end of the positioning pipe joint, and the bottom surface of the force measuring rod is attached to the top end of the compression sleeve;
the first end of the spring seat is a cylinder with a T-shaped inner hole, and the first end of the spring seat is sleeved with a compression spring; the second end of the spring seat is a cylinder with a flat groove, and a boss matched with the biconical valve is arranged at the second end head of the spring seat.
Further, the regulator tube joint assembly includes:
an adjusting pipe joint, the adjusting pipe joint comprising: the device comprises a body, a first split, a second split, a third split and a fourth split which are sequentially arranged, wherein the first split is a cylinder, the second split is matched with the internal threads of the body, the third split is a wrench opening matched with a wrench, the fourth split is an external thread matched with the threads of a pipeline of a tester, and the end part of the fourth split is a 74-degree conical surface sealed with the pipeline of the tester;
the inside step through-hole that is equipped with of adjusting pipe joint, the step through-hole is including the first through-hole, the second through-hole, third through-hole and the fourth through-hole that arrange in proper order, first through-hole is with bipyramid valve complex smooth periphery, the second through-hole has the internal thread, third through-hole intercommunication second through-hole and fourth through-hole, the bottom that is close to the third through-hole in the second through-hole inlays and is equipped with sealed pad.
Further, a second sealing ring is embedded on the body and between the first split body and the body, and a third sealing ring is embedded on the end face of the first through hole.
Further, the sealing test device with the adjustable pressing force of the biconical valve further comprises a support, wherein the support is sleeved on the adjusting pipe joint and is attached to the end face of the body.
The invention has the following beneficial effects:
according to the sealing test device with adjustable pressing force for the biconical valve, the positioning pipe joint assembly and the adjusting pipe joint assembly are arranged, the force measuring device can measure the pressing force of the clamp through the positioning pipe joint assembly, and the pressing force is adjusted through rotating the adjusting pipe joint assembly, so that the sealing test device can detect the conical surface sealing of the biconical valve on one side far away from the spring, can provide the fixed-value pressing force required by the conical surface sealing test on one side close to the spring, and can test the conical surface sealing test on one side close to the spring, and the test requirement is met.
Drawings
The invention is described in further detail below with reference to the drawings and the detailed description.
FIG. 1 is a schematic structural view of a sealing test device with adjustable pressing force for a biconical valve;
FIG. 2 is a schematic cross-sectional view of a sealing test device with adjustable pressing force for a biconical valve according to the present invention;
FIG. 3 is a schematic diagram of a structure of a sealing test device with adjustable pressing force for a double cone valve, provided by the invention, for installing the double cone valve.
Reference numerals in the drawings denote:
101. positioning a pipe joint; 102. a first seal ring; 103. a body; 104. a second seal ring; 105. a support; 201. adjusting the pipe joint; 202. a sealing gasket; 203. a third seal ring; 204. a spring seat; 205. a compression spring; 206. a compacting sleeve; 207. a force measuring rod.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, a sealing test device with adjustable pressing force for a bipyramid valve includes:
the positioning assembly is internally provided with an adjusting assembly;
the adjusting assembly comprises a positioning pipe joint assembly arranged at one end of the positioning assembly and an adjusting pipe joint assembly arranged at the other end of the positioning assembly, wherein a space between the positioning pipe joint assembly and the adjusting pipe joint assembly is a mounting space of the biconic valve, and the adjusting pipe joint assembly is used for adjusting the pressing force of the biconic valve on one side far away from the spring.
Working principle: through setting up location coupling subassembly and adjusting coupling subassembly, the compression force of dynamometry utensil accessible location coupling subassembly measurement anchor clamps to adjust coupling subassembly adjustment compression force size through the rotation, make this disclosure can keep away from the conical surface seal of spring one side to bipyramid valve and detect, and can provide the required definite value compression force of being close to spring one side conical surface seal test, detect it, satisfy test requirement.
The positioning assembly comprises a body 103, the body 103 is of a hollow revolution structure, the outer surface of the body 103 is of a step form, the body 103 is provided with a flat groove used for clamping a wrench, two ends of an inner cavity of the body 103 are threads, and smooth circumferential surfaces are arranged between the threads at the two ends.
The locating pipe joint assembly includes:
the positioning pipe joint 101 is provided with a first end in threaded connection with the body 103 and a second end in pipeline connection with the tester, a hexagonal body is arranged between the first end and the second end, the bottom surface of the hexagonal body, which is close to the first end, is attached to the top surface of the body 103, and a first sealing ring 102 for sealing a gap between the positioning pipe joint 101 and the body 103 is embedded in the first end of the positioning pipe joint 101;
the positioning pipe joint 101 is internally provided with a through step hole, and the second end part of the positioning pipe joint 101 is provided with a 74-degree conical surface sealed with a tester pipeline;
the pressing sleeve 206 is inserted into the step hole at the first end of the positioning pipe joint 101, and a step through hole is formed in the pressing sleeve 206;
the force measuring rod 207 is inserted into the stepped hole at the second end of the positioning pipe joint 101, and the bottom surface of the force measuring rod 207 is attached to the top end of the pressing sleeve 206;
the first end of the spring seat 204 is a cylinder with a T-shaped inner hole, and the first end of the spring seat 204 is sleeved with a compression spring 205; the second end of the spring seat 204 is a cylinder with a flat slot, and the second end of the spring seat 204 is provided with a boss matched with the biconical valve.
The regulator tube joint assembly includes:
an adjustment tube fitting 201, the adjustment tube fitting 201 comprising: the first split, the second split, the third split and the fourth split are sequentially arranged, the first split is a cylinder, the second split is in threaded fit with the inner part of the body 103, the third split is a wrench opening for being matched with a wrench, the fourth split is an external thread in threaded fit with a pipeline of a tester, and the end part of the fourth split is a 74-degree conical surface sealed with the pipeline of the tester;
the inside step through-hole that is equipped with of regulation union coupling 201, the step through-hole is including the first through-hole, the second through-hole, third through-hole and the fourth through-hole that arrange in proper order, first through-hole is with bipyramid valve complex smooth periphery, the second through-hole has the internal thread, third through-hole intercommunication second through-hole and fourth through-hole, the bottom that is close to the third through-hole in the second through-hole inlays and is equipped with sealing gasket 202.
And a second sealing ring 104 is embedded on the body 103 and between the first split body and the body 103, and a third sealing ring 203 is embedded on the end face of the first through hole.
The sealing test device with adjustable pressing force for the biconical valve further comprises a support 105, wherein the support 105 is sleeved on the adjusting pipe joint 201 and is attached to the end face of the body 103.
Specifically, the adjusting pipe joint 201 is screwed on the threads of the biconical valve, the adjusting pipe joint is connected and sealed with the biconical valve through the compression sealing gasket 202 and the sealing ring 203, one end of the body 103 is screwed on the external threads at the bottom of the adjusting pipe joint 201, the second sealing ring 104 is compressed, a boss of the spring seat 204 is propped against the position where the biconical valve needs to be pressed tightly, the compression spring 205 and the compression sleeve 206 are sleeved on a cylinder of the spring seat 204 with a T-shaped inner hole in sequence, the positioning pipe joint 101 provided with the first sealing ring 102 is connected with the body 103 through threads, and finally one 74-degree conical surface side of the adjusting pipe joint 201 is inserted into the inner hole of the support 105, and the force measuring rod 207 is put into the inner hole of the positioning pipe joint 101 and propped against the compression sleeve 206; the force measuring device measures the pressing force through the force measuring rod 207, if the pressing force is larger, the force measuring device rotates the adjusting pipe joint 201 to move towards the outside of the body 103, at the moment, the movement direction of the product and the spring seat 204 is consistent with that of the adjusting pipe joint 201, the compression amount of the compression spring 205 is reduced, and the pressing force is reduced; otherwise, the pressing force increases. After the pressing force is adjusted, the support 105 and the force measuring rod 207 are removed, and the positioning pipe joint 101 and the adjusting pipe joint 201 are connected with a tester pipeline, so that the test can be completed under the pressing force required by the product. Thus, not only the required pressing force is provided when the product is tested, but also the part product can be tested under the required pressing force; when the compaction force is measured by the force measuring device, the support 105 can be used for stabilizing the present disclosure, the force measurement is convenient, and the support 105 can be detached after the force measurement is completed.
When testing bipyramid valve, utilize the cooperation of locating pipe joint subassembly and regulation pipe joint subassembly to make the case reach required pretightning force, locating pipe joint 101, regulation pipe joint 201, body 103, compress tightly cover 206 and spring holder 204 all are equipped with the through-hole of intercommunication each other, like this when this disclosure and tester pipe connection, can normally walk oil or gas to guarantee the normal clear of test, simultaneously, set up first sealing washer 102, second sealing washer 104 and third sealing washer 203 can reach sealed effect, prevent that fluid from spilling or the pressure that gas leakage produced from reducing, and influence actual test effect.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (4)
1. The utility model provides a bipyramid valve adjustable packing force's seal test device which characterized in that includes:
the positioning assembly is internally provided with an adjusting assembly;
the adjusting assembly comprises a positioning pipe joint assembly arranged at one end of the positioning assembly and an adjusting pipe joint assembly arranged at the other end of the positioning assembly, and a space between the positioning pipe joint assembly and the adjusting pipe joint assembly is an installation space of the double-cone valve;
the positioning assembly comprises a body (103), wherein the body (103) is of a hollow revolving body structure, the outer surface of the body (103) is of a step form, the body (103) is provided with a flat groove used for clamping a wrench, two ends of an inner cavity of the body (103) are provided with threads, and smooth circumferential surfaces are arranged between the threads at the two ends;
the locating pipe joint assembly includes:
the positioning pipe joint (101) is provided with a first end in threaded connection with the body (103) and a second end in pipeline connection with the tester, a hexagonal body is arranged between the first end and the second end, the bottom surface of the hexagonal body, which is close to the first end, is attached to the top surface of the body (103), and a first sealing ring (102) for sealing a gap between the positioning pipe joint (101) and the body (103) is embedded into the first end of the positioning pipe joint (101);
the inside of the positioning pipe joint (101) is provided with a through step hole, and the second end part of the positioning pipe joint (101) is provided with a 74-degree conical surface sealed with a tester pipeline;
the pressing sleeve (206) is inserted into the stepped hole at the first end of the positioning pipe joint (101), and a stepped through hole is formed in the pressing sleeve (206);
the force measuring rod (207) is inserted into the stepped hole at the second end of the positioning pipe joint (101), and the bottom surface of the force measuring rod (207) is attached to the top end of the pressing sleeve (206); and
the first end of the spring seat (204) is a cylinder with a T-shaped inner hole, and the first end of the spring seat (204) is sleeved with a compression spring (205); the second end of the spring seat (204) is a cylinder with a flat groove, and a boss matched with the biconical valve is arranged at the second end head of the spring seat (204).
2. The adjustable pinch force seal test apparatus of claim 1, wherein said regulator tube fitting assembly comprises:
an adjusting pipe joint (201), the adjusting pipe joint (201) comprising: the device comprises a body (103), a first split, a second split, a third split and a fourth split which are sequentially arranged, wherein the first split is a cylinder, the second split is in threaded fit with the inner part of the body (103), the third split is a wrench opening for being matched with a wrench, the fourth split is an external thread in threaded fit with a tester pipeline, and the end part of the fourth split is a 74-degree conical surface sealed with the tester pipeline;
the inside step through-hole that is equipped with of regulation union coupling (201), step through-hole is including the first through-hole, the second through-hole that arrange in proper order, third through-hole and fourth through-hole, first through-hole is with bipyramid valve complex smooth periphery, the second through-hole has the internal thread, third through-hole intercommunication second through-hole and fourth through-hole, bottom that is close to the third through-hole in the second through-hole inlays and is equipped with sealed pad (202).
3. The sealing test device for adjustable pressing force of double cone valve as claimed in claim 2, comprising: and a second sealing ring (104) is embedded on the body (103) and between the first split body and the body (103), and a third sealing ring (203) is embedded on the end face of the first through hole.
4. The sealing test device with adjustable pressing force for the biconical valve according to claim 2, further comprising a support (105), wherein the support (105) is sleeved on the adjusting pipe joint (201) and is attached to the end face of the body (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110002592.0A CN112834116B (en) | 2021-01-04 | 2021-01-04 | Sealing test device with adjustable pressing force for bipyramid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110002592.0A CN112834116B (en) | 2021-01-04 | 2021-01-04 | Sealing test device with adjustable pressing force for bipyramid valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112834116A CN112834116A (en) | 2021-05-25 |
| CN112834116B true CN112834116B (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110002592.0A Active CN112834116B (en) | 2021-01-04 | 2021-01-04 | Sealing test device with adjustable pressing force for bipyramid valve |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203587295U (en) * | 2013-10-08 | 2014-05-07 | 贵州永红航空机械有限责任公司 | Clamping tool for pressure regulating valve airtightness tests |
| JP2016176695A (en) * | 2015-03-18 | 2016-10-06 | 株式会社ジェイテクト | Airtightness testing jig |
| CN208887861U (en) * | 2018-10-16 | 2019-05-21 | 湖北三江航天险峰电子信息有限公司 | A kind of device for detecting sealability suitable for solenoid valve gas valve |
| CN209704701U (en) * | 2019-03-28 | 2019-11-29 | 河南航天液压气动技术有限公司 | A kind of new type pressurized valve |
| CN211821224U (en) * | 2019-12-20 | 2020-10-30 | 中国航发长春控制科技有限公司 | Quick conversion device for test |
-
2021
- 2021-01-04 CN CN202110002592.0A patent/CN112834116B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203587295U (en) * | 2013-10-08 | 2014-05-07 | 贵州永红航空机械有限责任公司 | Clamping tool for pressure regulating valve airtightness tests |
| JP2016176695A (en) * | 2015-03-18 | 2016-10-06 | 株式会社ジェイテクト | Airtightness testing jig |
| CN208887861U (en) * | 2018-10-16 | 2019-05-21 | 湖北三江航天险峰电子信息有限公司 | A kind of device for detecting sealability suitable for solenoid valve gas valve |
| CN209704701U (en) * | 2019-03-28 | 2019-11-29 | 河南航天液压气动技术有限公司 | A kind of new type pressurized valve |
| CN211821224U (en) * | 2019-12-20 | 2020-10-30 | 中国航发长春控制科技有限公司 | Quick conversion device for test |
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| Publication number | Publication date |
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| CN112834116A (en) | 2021-05-25 |
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