Leakage marking connector assembly part of airtight machine

Abstract

The utility model provides a leakage marking connector assembly part of an airtight machine. The leakage marking connector assembly part is characterized in that a three-way sleeve part is connected to the top of a leakage marking connector through a bolt; the airtight machine plug type sealing joint is arranged on the side, away from the leakage marking joint, of the three-way suite in a threaded fit mode. According to the utility model, the three-way suite, the airtight machine plug type sealing joint and the water side air pipe connecting suite are adopted, so that the number of the joints is reduced, the connecting mode is optimized, the sealing effect between the connecting suite and the leakage marking joint is improved, the leakage probability is reduced, and the leakage of the leakage marking joint is reduced. And the reliability of detecting the leakage value of the leakage marking joint by the airtight machine is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to the connection field of the air tightness machine leak detection head, especially the design leak detection joint improvement technical field, specifically is a kind of air tightness machine leak detection joint assembly. BACKGROUND

[0002] Now in the detection process of air tightness machine, a leak detection joint is needed, and the air tightness machine detects the leak detection joint to determine whether the leakage value detected by the air tightness machine is the same as the leakage value set by the leak detection joint, to verify the reliability of the air tightness machine. However, the leak detection joint provided by the supplier is a British standard joint, and additional adapters are required when connecting each part of the leak detection joint. Too many adapters can cause the leak detection joint to be too heavy, and the plug is prone to leakage, residual helium and other issues, resulting in higher air tightness values detected compared to the leak detection standard value. This can cause technicians to misjudge the working condition and reliability of the air tightness machine. Therefore, a lightweight and sealed assembly kit needs to be designed. SUMMARY

[0003] In view of the above-mentioned shortcomings of the prior art, the purpose of the utility model is to provide a kind of air tightness machine leak detection joint assembly kit to solve the difficulties of prior art.

[0004] To achieve the above-mentioned purpose and other related purposes, the utility model provides a kind of air tightness machine leak detection joint assembly kit, comprising:

[0005] leak detection joint 1;

[0006] three-way fitting kit 2, the three-way fitting kit 2 is arranged at the top of the leak detection joint 1 by bolt connection;

[0007] air tightness machine plug type sealing joint 3, the air tightness machine plug type sealing joint 3 is arranged at the side away from the leak detection joint 1 of the three-way fitting kit 2 by thread cooperation;

[0008] water side gas pipe connection kit 4, the water side gas pipe connection kit 4 is arranged at the bottom of the leak detection joint 1 by thread cooperation.

[0009] According to the preferred scheme, the three-way fitting kit 2 is provided with a flange plate 21 at the bottom, an annular sealing boss 22 is arranged on the inner wall of the flange plate 21 by welding, the annular sealing boss 22 is clamped in the leak detection joint 1 at the bottom, and bolts are arranged around the flange plate 21, and the bolts are connected to the top of the air tightness machine plug type sealing joint 3.

[0010] According to the preferred scheme, the three-way fitting kit 2 is provided with internal threads 23 on the left and right sides of the top, and one side of the three-way fitting kit 2 is connected to the gas side gas pipe joint 25 of one side of the gas return pipeline 24 by thread cooperation.

[0011] According to a preferred scheme, the tee joint set 2 is in T shape.

[0012] According to a preferred scheme, the airtight machine plug-type sealing joint 3 comprises a hexagon external thread joint 31, a clamping cover 32 and a sealing ring 33, the hexagon external thread joint 31 is connected to one side of the tee joint set 2 away from the gas side pipe joint 25 by bolted connection, the hexagon external thread joint 31 is provided with an integral clamping cover 32 away from the gas side pipe joint 25, the clamping cover 32 is in hollow circular truncated cone shape, the inner diameter and the outer diameter of the clamping cover 32 near one side of the tee joint set 2 are smaller than the inner diameter and the outer diameter of the other side, and the inner side wall of the clamping cover 32 is provided with a mounting groove, and the sealing ring 33 is clamped in the mounting groove.

[0013] According to a preferred scheme, the water side pipe connecting set 4 is in L shape, the water side pipe connecting set 4 is provided with an L-shaped ventilation hole 41 in the middle, the ventilation hole 41 is communicated with the standard leak joint 1 at the top, the ventilation hole 41 is provided with a threaded section away from the standard leak joint 1 at the bottom, the water side pipe connecting set 4 is provided with an annular external thread connecting table 42 at the top, the annular external thread connecting table 42 is connected to the bottom of the standard leak joint 1 by threaded connection, and the threaded section of the ventilation hole 41 is connected to the water side pipe joint 44 of one side of the air inlet pipe 43 by threaded connection.

[0014] According to a preferred scheme, the air inlet pipe 43 and the air return pipe 24 are connected to the helium gas pump away from the standard leak joint 1.

[0015] The utility model discloses a tee joint set, airtight machine plug-type sealing joint and water side pipe connecting set, reduce the number of joints, optimize the connection mode, improve the sealing effect between the connecting set and the standard leak joint, reduce the leakage probability, and the reliability of the airtight machine to the leakage value detection of the standard leak joint is higher.

[0016] The most preferred embodiment of the present application will be described in more detail below with reference to the accompanying drawings, so that the features and advantages of the present application can be easily understood. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is shown as a three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is shown as a three-dimensional structure enlarged schematic diagram of the airtight machine plug-type sealing joint in the utility model;

[0019] Figure 3 It is shown as a three-dimensional structure enlarged schematic diagram of the tee joint set in the utility model;

[0020] Figure 4 It is shown as a three-dimensional structure enlarged schematic diagram of the ventilation hole in the utility model;

[0021] Explanation of reference signs

[0022] 1. Leak-proof joint

[0023] 2. Three-way joint set; 21, flange plate; 22, annular sealing boss; 23, internal thread; 24, return gas pipeline; 25, gas-side gas pipe joint

[0024] 3. Air-tight machine plug-type sealing joint; 31, hexagonal external thread joint; 32, clamping cover; 33, sealing ring

[0025] 4. Water-side gas pipe connecting set; 41, air hole; 42, annular external thread connecting platform; 43, gas inlet pipeline; 44, water-side gas pipe joint DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the technical scheme of the utility model more clear, the technical scheme of the utility model embodiment will be described clearly and completely in the following by combining with the drawings of the utility model embodiment. The same reference signs in the drawings represent the same parts. It should be noted that the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0027] Compared with the embodiment shown in the drawings, the feasible implementation scheme within the protection scope of the utility model can have fewer components, have other components not shown in the drawings, have different components, have differently arranged components or differently connected components, etc. In addition, two or more components in the drawings can be realized in a single component, or a single component shown in the drawings can be realized as multiple separate components.

[0028] Unless otherwise defined, technical terms or scientific terms used herein shall have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The use of the terms "first", "second" and similar terms do not imply any order, quantity, or importance, but rather are used to distinguish one element from another, and are more for the convenience of the reader. Similarly, the use of the term "a" or "an" does not limit the quantity to a single element, but rather means "one or more". The use of the term "including" or "comprising" or "consisting of" or "consisting essentially of" does not limit the meaning to the recited components, but rather means that the list is not exhaustive. The use of the term "connected" or "coupled" does not limit the nature of the connection or coupling, but rather encompasses the possibility that other components could be disposed therebetween. The use of the terms "upper", "lower", "left", "right", and the like are used for convenience and do not astrict the absolute position of the described objects.

[0029] The utility model provides a kind of air-tight machine leak marking connector assembly, for the improvement process of leak marking connector assembly, the utility model does not limit the type of leak marking connector required to be improved connection of air-tight machine, but the structure of this tee kit 2, air-tight machine plug type sealing connector 3 and water side gas pipe connection kit 4 is particularly suitable for being used in the design and use of assembly kit in leak marking connector.

[0030] Generally, the air-tight machine leak marking connector assembly proposed by the utility model mainly includes: tee kit 2, air-tight machine plug type sealing connector 3 and water side gas pipe connection kit 4, which can be seen from Figure 1 , which shows the arrangement relationship of tee kit 2, air-tight machine plug type sealing connector 3 and water side gas pipe connection kit 4.

[0031] The air-tight machine leak marking connector assembly proposed by the utility model is used, and the air-tight machine plug type sealing connector 3 is sleeved on the detection port into the air-tight machine, the water side gas pipe connection kit 4 is screwed at the bottom of leak marking connector 1, the water side gas pipe connection kit 4 is communicated with inlet gas pipeline 43 through water side gas pipe joint 44 at one side of the bottom, then leak marking connector 1 top is sleeved outside the annular sealing boss 22 at the bottom of tee kit 2, so that the flange of leak marking connector 1 is connected with flange plate 21 through bolt, then return gas pipeline 24 is connected into tee kit 2 through air side gas pipe joint 25, when detecting, helium gas pump injects helium gas into inlet gas pipeline 43, helium gas is communicated through water side gas pipe connection kit 4, helium gas enters from the bottom of leak marking connector 1 after passing through water side gas pipe connection kit 4, helium gas is transmitted to tee kit 2 after passing through leak marking connector 1, and flows back into helium gas pump in helium gas pump after filling tee kit 2, and the air-tight machine judges the leakage of leak marking connector 1 by monitoring the pressure difference in tee kit 2.

[0032] The three-way fitting kit 2 is T-shaped, and is arranged on the top of the leak meter connector 1 by bolt connection. The bottom of the three-way fitting kit 2 is provided with a flange plate 21, the inner wall of the flange plate 21 is provided with an annular sealing boss 22 by welding, the bottom of the annular sealing boss 22 is clamped in the leak meter connector 1, bolts are arranged around the flange plate 21, the bolts are connected with the top of the air-tight machine plug-type sealing connector 3, the labyrinth structure is formed by the annular sealing boss 22 to achieve the sealing effect, the connection strength is enhanced by the flange plate 21 to improve the sealing performance, and the top of the three-way fitting kit 2 is provided with internal threads 23 on the left and right sides.

[0033] The air-tight machine plug-type sealing connector 3 is arranged on the side, away from the leak meter connector 1, of the three-way fitting kit 2 by thread cooperation. The air-tight machine plug-type sealing connector 3 comprises a hexagonal external thread connector 31, a clamping cover 32 and a sealing ring 33. The hexagonal external thread connector 31 is connected to the side, away from the air-side gas pipe connector 25, of the three-way fitting kit 2 by bolt cooperation. The hexagonal external thread connector 31 is provided with an integrated clamping cover 32 on the side, away from the air-side gas pipe connector 25. The clamping cover 32 is in the shape of a hollow circular table. The inner diameter and the outer diameter of the side, close to the three-way fitting kit 2, of the clamping cover 32 are smaller than the inner diameter and the outer diameter of the other side. An installation groove is formed in the inner wall of the clamping cover 32, and the sealing ring 33 is clamped in the installation groove.

[0034] The water-side gas pipe connecting kit 4 is arranged at the bottom of the leak meter connector 1 by thread cooperation. The water-side gas pipe connecting kit 4 is in the shape of L. A ventilation hole 41 in the shape of L is formed in the middle of the water-side gas pipe connecting kit 4. The top of the ventilation hole 41 is communicated with the leak meter connector 1. The bottom of the ventilation hole 41 is a threaded section on the side, away from the leak meter connector 1. The top of the water-side gas pipe connecting kit 4 is provided with an annular external thread connecting table 42. The annular external thread connecting table 42 is connected with the bottom of the leak meter connector 1 by thread cooperation. The threaded section on the side of the ventilation hole 41 is connected with the air-side gas pipe connector 25 on the side of the air inlet pipe 43 by thread cooperation.

[0035] The above embodiment only illustrates the principle and effect of the utility model, and is not used to limit the utility model. Any person skilled in the art can modify or change the above embodiment without departing from the spirit and scope of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.

Claims

1. A hermetically sealed machine leak adapter assembly, characterized by, Include: The tag leaks the joint (1); Three-way kit (2), the three-way kit (2) is arranged on the top of the tag leakage joint (1) by bolt connection; Air-tight machine plug type sealing joint (3), the air-tight machine plug type sealing joint (3) is arranged on the side of the three-way kit (2) away from the tag leakage joint (1) by screw fit; Water side gas pipe connecting kit (4), the water side gas pipe connecting kit (4) is arranged on the bottom of the tag leakage joint (1) by screw fit.

2. The hermetic machine leak port adapter assembly of claim 1, wherein, The bottom of the three-way kit (2) is provided with a flange plate (21), the inner wall of the flange plate (21) is provided with an annular sealing boss (22) by welding, the bottom of the annular sealing boss (22) is clamped in the tag leakage joint (1), and the flange plate (21) is provided with bolts around, the bolts are connected with the top of the air-tight machine plug type sealing joint (3).

3. The hermetic machine leak port adapter assembly of claim 2, wherein, The top of the three-way kit (2) is provided with internal threads (23) on the left and right sides, and one side of the three-way kit (2) is connected with the air side gas pipe joint (25) on one side of the return gas pipeline (24) through screw fit.

4. The hermetic machine leak port adapter assembly of claim 3, wherein, The three-way kit (2) is T-shaped.

5. The hermetic machine leak port adapter assembly of claim 4, wherein, The air-tight machine plug type sealing joint (3) comprises a hexagonal external thread joint (31), a clamping cover (32) and a sealing ring (33), one side of the hexagonal external thread joint (31) is connected with the side of the three-way kit (2) away from the air side gas pipe joint (25) through bolt fit, the side of the hexagonal external thread joint (31) away from the air side gas pipe joint (25) is provided with an integral clamping cover (32), the clamping cover (32) is hollow and circular table-shaped, the inner diameter and the outer diameter of the side of the clamping cover (32) close to the three-way kit (2) are smaller than those of the other side, and a mounting groove is formed in the inner wall of the clamping cover (32), and the sealing ring (33) is clamped in the mounting groove.

6. The hermetic machine leak port adapter assembly of claim 5, wherein, The water side gas pipe connecting kit (4) is L-shaped, the water side gas pipe connecting kit (4) is provided with an L-shaped air hole (41) in the middle, the top of the air hole (41) is communicated with the tag leakage joint (1), the bottom of the air hole (41) is a threaded section away from the tag leakage joint (1), the top of the water side gas pipe connecting kit (4) is provided with an annular external thread connecting table (42), the annular external thread connecting table (42) is connected with the bottom of the tag leakage joint (1) through screw fit, and the side of the threaded section of the air hole (41) is connected with the water side gas pipe joint (44) on one side of the air inlet pipeline (43) through screw fit.

7. The hermetic machine leak port adapter assembly of claim 6, wherein, The air inlet pipeline (43) and the return gas pipeline (24) are connected with the helium gas pump away from the tag leakage joint (1).

Images