CN219493384U

CN219493384U - Flange for detecting air tightness of valve

Info

Publication number: CN219493384U
Application number: CN202223525621.0U
Authority: CN
Inventors: 张汉庆
Original assignee: Wuxi Liangxuan Construction Machinery Manufacturing Co ltd
Current assignee: Wuxi Liangxuan Construction Machinery Manufacturing Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-08-08
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a flange for detecting air tightness of a valve, which is applied to the field of valve detection and comprises a first flange and a second flange, wherein the first flange and the second flange are in sliding sleeve joint, and a valve connecting pipe and an air pipe are respectively in sliding sleeve joint inside the first flange and the second flange; according to the utility model, the rotating cylinder is rotated to drive the connecting rod to move, the connecting rod moves to drive the clamping connector to move, the clamping connector moves to enable the clamping connector to be separated from the clamping groove, the valve connecting pipe or the air pipe is taken out, the purpose of connecting and dismounting the valve or the air pipe can be achieved, the workload is reduced, and the working efficiency is improved.

Description

Flange for detecting air tightness of valve

Technical Field

The utility model relates to the field of valve detection, in particular to a flange for detecting air tightness of a valve.

Background

The valve is a pipeline accessory for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters (temperature, pressure and flow rate) of a conveying medium. According to the functions, the valve can be divided into a shutoff valve, a check valve, a regulating valve and the like, when the valve is produced, the air tightness of the valve is required to be detected, and when the valve is detected, the flange is required to be connected and fixed with an air pipe.

At present, the chinese utility model with the publication number of CN214947120U discloses an anti-corrosion flange, which belongs to the flange field, and an anti-corrosion flange, including a flange component body, install the flange component body in the pipeline one end that needs the butt joint, the bolt runs through a connecting cylinder post and cooperates the nut to fix between the flange component body, in the fixed in-process of butt joint is carried out to the flange component body, external barrier ring will embed the inner chamber in external barrier groove, be used for resisting the phenomenon that external moist material invaded to the flange component body inside, its infiltration barrier ring will embed the inner chamber in infiltration barrier groove, prevent to appear leaking the liquid phenomenon between the pipeline of connection, it has corrosive liquid infiltration to the inside of flange component body, the phenomenon that causes the damage to the flange component body, when the flange component body cooperates first protection casing and second protection casing to install in pipeline one end, constitute the cavity through the infiltration through between inner infiltration channel and the pipeline, if leak phenomenon appears between the pipeline of connection, can in time discover.

The existing flange is inconvenient to connect and detach with the valve or the air pipe, the general flange is connected with the air pipe or the valve through threads, threads are used, tools are needed to be used for disassembling the flange during disassembly, the operation is complex, the workload is increased, the working efficiency is reduced, air leakage is easy, sealing between the general flanges is achieved by adopting sealing rings and is fixed through bolts, the bolts are easy to loosen in the use process, the sealing performance of the sealing rings is reduced, air leakage is caused, and the detection result is inaccurate.

Disclosure of Invention

The utility model aims to provide a flange for detecting the air tightness of a valve, which has the advantages of convenience in connection and disassembly with the valve or an air pipe and difficulty in air leakage.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a flange for valve gas tightness detects, includes first flange and second flange, first flange and second flange slip cup joint, valve connecting pipe and trachea have been cup jointed in the inside of first flange and second flange slip respectively, be provided with fixed establishment between first flange and the second flange, the surface of first flange and second flange has all rotated and has cup jointed a rotary drum, the inner wall of rotary drum articulates there is the connecting rod, the other end of connecting rod articulates there is the joint, joint and the inner wall of first flange and second flange all are provided with first spring, joint groove has all been seted up on valve connecting pipe and tracheal surface, and joint groove and joint, the inner wall of first flange and second flange slip cup joint the expansion ring, the expansion ring all is provided with the second spring with the inner wall of first flange and second flange, the surface bonding of expansion ring has the rubber pad.

By adopting the technical scheme, through rotating the rotating cylinder, the rotating cylinder rotates and drives the connecting rod to move, and the connecting rod moves and drives the clamping connector to move, and the clamping connector moves to enable the clamping connector to be separated from the clamping groove, so that the valve connecting pipe or the air pipe is taken out, the purpose of connecting and disassembling the valve or the air pipe can be achieved, the workload is reduced, the working efficiency is improved, and through the mode that the telescopic ring is clamped with and abutted against the inner wall of another flange under the action of the second spring when the two flanges are installed, the purpose of difficult air leakage can be achieved, the sealing performance of the flange is improved, and the detection result is ensured.

The utility model is further provided with: the fixing mechanism comprises a bolt, the first flange and the second flange are arranged in a penetrating mode, and a nut is connected to the surface of the bolt in a threaded mode.

By adopting the technical scheme, the flange is fixedly connected by the fixing mechanism.

The utility model is further provided with: anti-skid patterns are formed on the surface of the rotary cylinder.

By adopting the technical scheme, through setting up anti-skidding line, prevent that the hand from skidding, the operation of being convenient for.

The utility model is further provided with: one end of the clamping connector is wedge-shaped.

By adopting the technical scheme, one end of the clamping connector is wedge-shaped, and the installation is convenient.

The utility model is further provided with: a first sealing gasket is arranged between the first flange and the second flange.

By adopting the technical scheme, the sealing performance is improved by arranging the first sealing gasket.

The utility model is further provided with: the surface integrated into one piece of first flange has the solid fixed ring.

By adopting the technical scheme, the flange is prevented from shifting by arranging the fixing ring, and the stability of the flange is ensured.

The utility model is further provided with: and second sealing gaskets are arranged between the first flange and the valve connecting pipe and between the second flange and the air pipe.

By adopting the technical scheme, the sealing performance is improved and the air leakage is prevented by arranging the second sealing gasket.

The utility model is further provided with: the telescopic ring is made of stainless steel.

By adopting the technical scheme, the telescopic ring is made of stainless steel, so that the telescopic ring is convenient to use and is not easy to rust.

In summary, the utility model has the following beneficial effects:

1. according to the utility model, the rotating cylinder is rotated to drive the connecting rod to move, the connecting rod moves to drive the clamping connector to move, the clamping connector moves to enable the clamping connector to be separated from the clamping groove, and the valve connecting pipe or the air pipe is taken out, so that the purpose of being convenient to connect and detach with the valve or the air pipe can be achieved, the workload is reduced, and the working efficiency is improved;

2. according to the utility model, when the two flanges are installed, the telescopic ring is clamped with and abutted against the inner wall of the other flange under the action of the second spring, so that the aim of difficult air leakage can be fulfilled, the sealing performance of the flange is improved, and the detection result is ensured.

Drawings

FIG. 1 is a perspective view of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the structure of the present utility model;

FIG. 3 is a side cross-sectional view of a partial structure of the present utility model;

FIG. 4 is a perspective view of a first flange structure of the present utility model;

fig. 5 is an enlarged view of the structure of fig. 2 a according to the present utility model.

Reference numerals: 1. a first flange; 2. a second flange; 3. a valve connecting pipe; 4. an air pipe; 5. a fixing mechanism; 6. a rotating cylinder; 7. a connecting rod; 8. a clamping joint; 9. a first spring; 10. a clamping groove; 11. a telescopic ring; 12. a second spring; 13. a rubber pad; 14. a bolt; 15. a screw cap; 16. anti-skid lines; 17. a first gasket; 18. a fixing ring; 19. and a second sealed end.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

Example 1:

referring to fig. 1, fig. 2, fig. 3 and fig. 5, a flange for detecting air tightness of a valve, including first flange 1 and second flange 2, first flange 1 and second flange 2 slip cup joint, valve connecting pipe 3 and trachea 4 have been cup jointed to the inside of first flange 1 and second flange 2 slip respectively, be provided with fixed establishment 5 between first flange 1 and the second flange 2, rotary drum 6 has all been rotated on the surface of first flange 1 and second flange 2, the inner wall of rotary drum 6 articulates there is connecting rod 7, the other end of connecting rod 7 articulates joint 8, joint 8 and the inner wall of first flange 1 and second flange 2 all are provided with first spring 9, joint groove 10 has all been seted up on the surface of valve connecting pipe 3 and trachea 4, and joint groove 10 and joint 8 joint, through rotating rotary drum 6, rotary drum 6 rotates and drives connecting rod 7 and removes joint 8, joint 8 removes and makes joint 8 and joint 10 break away from the joint, the mode that takes out valve 3 or trachea 4, can reach the convenient to dismantle with valve or valve 4, work load has been reduced.

Referring to fig. 1 and 2, the fixing mechanism 5 includes a bolt 14, the bolt 14 is disposed through the first flange 1 and the second flange 2, a nut 15 is screwed on the surface of the bolt 14, and the fixing mechanism 5 is disposed to fixedly connect the flanges.

Referring to fig. 1, the surface of the rotary cylinder 6 is provided with anti-slip patterns 16, and by providing the anti-slip patterns 16, the hand slip is prevented, and the operation is facilitated.

Referring to fig. 5, one end of the snap connector 8 is wedge-shaped, and the installation is facilitated by arranging the one end of the snap connector 8 to be wedge-shaped.

Referring to fig. 2, a first gasket 17 is provided between the first flange 1 and the second flange 2, and sealing performance is improved by providing the first gasket 17.

Example 2:

referring to fig. 2 and 4, the inner walls of the first flange 1 and the second flange 2 are slidably sleeved with the telescopic ring 11, the telescopic ring 11 and the inner walls of the first flange 1 and the second flange 2 are both provided with the second spring 12, the surface of the telescopic ring 11 is adhered with the rubber pad 13, and when the two flanges are installed, the telescopic ring 11 is clamped with the inner wall of the other flange and abutted against the inner wall of the other flange under the action of the second spring 12, so that the aim of difficult air leakage can be achieved, the sealing performance of the flange is improved, and the detection result is ensured.

Referring to fig. 2 and 4, the surface of the first flange 1 is integrally formed with a fixing ring 18, and the flange is prevented from being deviated by the fixing ring 18, so that the stability of the flange is ensured.

Referring to fig. 2, second gaskets are provided between the first flange 1 and the valve connecting pipe 3 and between the second flange 2 and the air pipe 4, and sealing performance is improved and air leakage is prevented by providing the second gaskets.

Referring to fig. 2 and 4, the material of the telescopic ring 11 is stainless steel, and the telescopic ring 11 is arranged to be made of stainless steel, so that the telescopic ring is convenient to use and is not easy to rust.

The use process is briefly described: rotating the rotating cylinder 6, rotating the rotating cylinder 6 to drive the connecting rod 7 to move, moving the connecting rod 7 to drive the clamping connector 8 to move, enabling the clamping connector 8 to be separated from the clamping groove 10, taking out the valve connecting pipe 3 or the air pipe 4 to finish disassembly, inserting the valve connecting pipe 3 or the air pipe 4 into a flange, clamping the clamping connector 8 to be clamped with the clamping groove 10 under the action of the first spring 9, and fixing the air pipe 4 or the valve connecting pipe 3, so that the aim of connecting and disassembling the valve or the air pipe 4 is fulfilled conveniently; when the two flanges are installed, the telescopic ring 11 is clamped with the inner wall of the other flange and abuts against the inner wall of the other flange under the action of the second spring 12, so that the purpose of difficult air leakage is achieved.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims

1. The utility model provides a flange for valve gas tightness detects, includes first flange (1) and second flange (2), its characterized in that, first flange (1) and second flange (2) slip cup joint, valve connecting pipe (3) and trachea (4) have been cup jointed to the inside of first flange (1) and second flange (2) slip respectively, be provided with fixed establishment (5) between first flange (1) and second flange (2), all rotate on the surface of first flange (1) and second flange (2) and cup jointed a rotary drum (6), the inner wall of rotary drum (6) articulates there is connecting rod (7), the other end of connecting rod (7) articulates there is joint (8), joint (8) all are provided with first spring (9) with the inner wall of first flange (1) and second flange (2), joint groove (10) and joint (8) joint have all been seted up on the surface of valve connecting pipe (3) and trachea (4), first flange (1) and second flange (2) inner wall (11) and second flange (11) all cup joint expansion ring (11), a rubber pad (13) is adhered to the surface of the telescopic ring (11).

2. Flange for detecting the air tightness of a valve according to claim 1, characterized in that the fixing mechanism (5) comprises a bolt (14), the bolt (14) is arranged penetrating through the first flange (1) and the second flange (2), and a nut (15) is connected to the surface of the bolt (14) in a threaded manner.

3. Flange for detecting the air tightness of a valve according to claim 1, characterized in that the surface of the rotating cylinder (6) is provided with anti-slip patterns (16).

4. Flange for detecting the tightness of a valve according to claim 1, characterized in that one end of the bayonet (8) is wedge-shaped.

5. Flange for detecting the tightness of a valve according to claim 1, characterized in that a first gasket (17) is arranged between the first flange (1) and the second flange (2).

6. Flange for detecting the tightness of a valve according to claim 1, characterized in that the surface of the first flange (1) is integrally formed with a fixing ring (18).

7. Flange for detecting the air tightness of a valve according to claim 1, characterized in that a second gasket is arranged between the first flange (1) and the valve connecting pipe (3) and between the second flange (2) and the air pipe (4).

8. Flange for detecting air tightness of valve according to claim 1, characterized in that the material of the telescopic ring (11) is stainless steel.