CN213516218U - Device for testing air tightness of valve - Google Patents
Device for testing air tightness of valve Download PDFInfo
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- CN213516218U CN213516218U CN202022934450.1U CN202022934450U CN213516218U CN 213516218 U CN213516218 U CN 213516218U CN 202022934450 U CN202022934450 U CN 202022934450U CN 213516218 U CN213516218 U CN 213516218U
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- box body
- inlet pipe
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- joint
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a device for testing the air tightness of a valve, which comprises a testing box body, a clapboard, a water inlet pipe, a water outlet pipe, an air inlet pipe, a joint, a hydraulic cylinder, a sealing rubber pad, a supporting seat, an air outlet pipe and a waterproof electromagnetic valve, the clapboard is fixedly and hermetically arranged in the test box body, an inlet is arranged on the clapboard, the cylinder bodies of the two hydraulic cylinders are fixedly arranged on the inner wall of the test box body, the water inlet pipe is fixedly arranged on the clapboard, the drain pipe is fixed and communicated with the bottom of the test box body, the joint is fixedly arranged on a piston rod of the hydraulic cylinder, the sealing rubber pad is fixedly arranged at the inner end of the joint, the exhaust pipe is hermetically and communicated and arranged on the joint, the air inlet pipe of the waterproof electromagnetic valve is connected with the exhaust pipe, the air inlet pipe is communicated to the joint in a sealing mode, and the test box body is fixedly installed on the supporting seat through the support. The clamping efficiency of the testing device is high, the testing result is accurate, and the condition that a large amount of water enters the valve is avoided.
Description
The technical field is as follows:
the utility model belongs to the technical field of the valve, especially, relate to a device for valve gas tightness test.
Background art:
valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like. The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The valves are classified into cast iron valves, cast steel valves, stainless steel valves, chrome molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, nonstandard valves, and the like according to the material. Need carry out the gas tightness test to it after valve production equipment is accomplished, detect its product quality, current gas tightness test adopts artifical mounting structure to carry out the fixed mode of spiro union, carries out the gas tightness test under water, and this kind of test mode clamping is comparatively loaded down with trivial details with the dismantlement, and its efficiency of software testing is lower.
The invention content is as follows:
the utility model discloses the technical problem that will solve is: the device for testing the valve airtightness is high in testing efficiency.
In order to solve the technical problems, the invention is realized by the following technical scheme: a device for testing the air tightness of a valve comprises a testing box body, a partition plate, a water inlet pipe, a water outlet pipe, an air inlet pipe, a joint, a hydraulic cylinder, a sealing rubber pad, a supporting seat, an air outlet pipe and a waterproof electromagnetic valve, the clapboard is fixedly and hermetically arranged in the test box body, an inlet is arranged on the clapboard, the cylinder bodies of the two hydraulic cylinders are fixedly arranged on the inner wall of the test box body, the water inlet pipe is fixedly arranged on the clapboard, the water outlet pipe is fixedly and communicated with the bottom of the test box body, the joint is fixedly arranged on a piston rod of the hydraulic cylinder, the sealing rubber pad is fixedly arranged on the inner end of the joint, the exhaust pipe is sealed and communicated with the joint, the air inlet pipe of the waterproof electromagnetic valve is connected with the exhaust pipe, the air inlet pipe is communicated to the joint in a sealing mode, and the test box body is fixedly installed on the supporting seat through the support.
Preferably, the lower end of the water inlet pipe extends to the bottom of the test box body.
Preferably, the cylinder body of the hydraulic cylinder is fixedly welded on the inner wall of the test box body.
Preferably, a gap of 15 cm-30 cm is arranged between the supporting seat and the test box body.
Compared with the prior art, the utility model discloses an useful part is: the valve to be tested is placed at the lower part of the testing box body through an inlet, two hydraulic cylinders are controlled to clamp and fix the valve, the air pump of the air inlet pipe at one side is firstly opened, the valve plate of the valve is in an open state, the water level which does not exceed the valve is injected into the testing box body through the water inlet pipe, the two waterproof electromagnetic valves are both in a closed state, the opened air pump is used for ventilating the air inlet pipe to test the air tightness of the valve in the valve plate open state, air can be discharged from the air inlet pipe at the other side, bubbles emerge in water if the air tightness is unqualified, then the air inlet pipe at the left side is controlled to be in a stop state, the air cannot flow out through the side air inlet pipe, then the waterproof electromagnetic valve at the left side is opened, the valve plate of the valve is in, the air bubbles can appear in the exhaust pipe on the left side, otherwise, the test operation on the other side can be carried out, the two air pumps can be alternately used, after the test is completed, part of water discharged from the drain pipe is driven by the hydraulic cylinder to move outwards, and the valve is taken down.
Description of the drawings:
the present invention will be further explained with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view at M of fig. 1.
The specific implementation mode is as follows:
the present invention will be described in detail with reference to the following embodiments:
as shown in fig. 1 and 2, 1. a device for testing air tightness of a valve comprises a testing box body 1, a partition plate 2, a water inlet pipe 3, a water outlet pipe 4, an air inlet pipe 5, a joint 6, a hydraulic cylinder 7, a sealing rubber pad 8, a supporting seat 9, an air outlet pipe 11 and a waterproof electromagnetic valve 12, wherein the partition plate 2 is fixedly and hermetically installed inside the testing box body 1, the partition plate 2 is provided with an inlet 21, the cylinder bodies of the two hydraulic cylinders 7 are fixedly installed on the inner wall of the testing box body 1, the water inlet pipe 3 is fixedly installed on the partition plate 2, the water outlet pipe 4 is fixedly and communicatively arranged at the bottom of the testing box body 1, the joint 6 is fixedly installed on the piston rod of the hydraulic cylinder 7, the sealing rubber pad 8 is fixedly installed on the inner end of the joint 6, the air outlet pipe 11 is hermetically and, the intake pipe 5 seals and communicates to joint 6, test box 1 passes through support fixed mounting on supporting seat 9, and pneumatic cylinder 7 is connected to the hydraulic pressure station, waterproof solenoid valve 11 is connected to power supply, and intake pipe 5 is connected to the atmospheric pressure station, inlet tube 3, drain pipe 4 all are connected to the water pump, test box 1 sets up to transparent construction so that observe.
In order to avoid splashing of water in the water inlet pipe 3, the lower end of the water inlet pipe 3 extends to the bottom of the test box 1.
The cylinder body of the hydraulic cylinder 7 is fixedly welded on the inner wall of the test box body 1, and the mounting structure has the advantages of simplicity and firmness in mounting.
In order to facilitate the installation and replacement of the drain pipe 4, a gap of 15 cm-30 cm is arranged between the supporting seat 9 and the test box body 1.
The valve 10 to be tested is placed at the lower part of the test box body 1 through the inlet 21, the two hydraulic cylinders 7 are controlled to clamp and fix the valve 10, the air pump of the air inlet pipe 5 at one side is firstly opened, meanwhile, the valve plate of the valve 10 is in an opened state, the water level which does not exceed the valve 10 is injected into the test box body 1 through the water inlet pipe 3, the two waterproof electromagnetic valves 12 are both in a closed state, the opened air pump is used for ventilating the air inlet pipe 5 to test the air tightness of the valve 10 in the valve plate opened state, air can be discharged from the air inlet pipe 5 at the other side, if the air tightness is unqualified, bubbles are emitted in the water, then the air inlet pipe 5 at the left side is controlled to be in a cut-off state, the air cannot flow out from the air inlet pipe 5 at the side, then the waterproof electromagnetic valve 11, if the air tightness of the valve plate is unqualified, bubbles can appear in the exhaust pipe 11 positioned on the left side, otherwise, the test operation on the other side can be carried out, the two air pumps can be alternately used, after the test is finished, part of water is discharged from the drain pipe 4, the joint 6 is driven to move outwards through the hydraulic cylinder 7, and the valve 10 is taken down.
It is to be emphasized that: it is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (4)
1. A device for valve gas tightness test, its characterized in that: comprises a test box body (1), a partition plate (2), a water inlet pipe (3), a water outlet pipe (4), an air inlet pipe (5), a joint (6), hydraulic cylinders (7), a sealing rubber gasket (8), a supporting seat (9), an air outlet pipe (11) and a waterproof electromagnetic valve (12), wherein the partition plate (2) is fixedly and hermetically arranged inside the test box body (1), an inlet (21) is formed in the partition plate (2), cylinder bodies of the two hydraulic cylinders (7) are fixedly arranged on the inner wall of the test box body (1), the water inlet pipe (3) is fixedly arranged on the partition plate (2), the water outlet pipe (4) is fixedly and communicated with the bottom of the test box body (1), the joint (6) is fixedly arranged on a piston rod of the hydraulic cylinders (7), the sealing rubber gasket (8) is fixedly arranged on the inner end of the joint (6), and the air outlet pipe (11) is hermetically and, the air inlet pipe of the waterproof electromagnetic valve (12) is connected with the exhaust pipe (11), the air inlet pipe (5) is communicated to the joint (6) in a sealing mode, and the test box body (1) is fixedly installed on the supporting seat (9) through a support.
2. The device for testing the airtightness of a valve according to claim 1, wherein: the lower end of the water inlet pipe (3) extends to the bottom of the test box body (1).
3. The device for testing the airtightness of a valve according to claim 1, wherein: and the cylinder body of the hydraulic cylinder (7) is fixedly welded on the inner wall of the test box body (1).
4. The device for testing the airtightness of a valve according to claim 1, wherein: and a gap of 15 cm-30 cm is arranged between the supporting seat (9) and the test box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022934450.1U CN213516218U (en) | 2020-12-09 | 2020-12-09 | Device for testing air tightness of valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022934450.1U CN213516218U (en) | 2020-12-09 | 2020-12-09 | Device for testing air tightness of valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213516218U true CN213516218U (en) | 2021-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022934450.1U Active CN213516218U (en) | 2020-12-09 | 2020-12-09 | Device for testing air tightness of valve |
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| Country | Link |
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| CN (1) | CN213516218U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113624479A (en) * | 2021-08-19 | 2021-11-09 | 无锡锐泰节能系统科学有限公司 | Intelligent temperature control valve detection device |
-
2020
- 2020-12-09 CN CN202022934450.1U patent/CN213516218U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113624479A (en) * | 2021-08-19 | 2021-11-09 | 无锡锐泰节能系统科学有限公司 | Intelligent temperature control valve detection device |
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