Pin type connector of air spring product

Abstract

The utility model relates to the technical field of helium detection, and particularly discloses an air spring product pin type connector which comprises a fixing plate. A plurality of limiting plates are fixedly connected to the fixing plate at intervals; a stepped joint is inserted into the limiting plate; clamping avoiding grooves corresponding to the limiting plates are symmetrically formed in the stepped joint; a connecting hole is formed in the stepped joint; a container for outputting helium is connected to an insertion pipe in a sleeving mode for communication, then a hose is connected to the interior and exterior of a communication hole to discharge helium for detection, a fixing plate is matched with four limiting plates, when the two limiting plates are located in a clamping avoiding groove, vertical displacement of a stepped connector is limited, and when the two limiting plates at the lower end are connected into a clamping groove in a sleeving mode, vertical displacement of the stepped connector is limited. The limiting plate can be used for limiting displacement of the stepped connector and the stepped pipe, two pipelines can be connected and fixed, meanwhile, pressure is generated during connection to extrude the stepped connector to move in the clamping avoiding groove, the stepped connector and the stepped pipe can be separated by taking down the limiting plate after displacement, and separation under pressure is easily achieved.

Description

Technical Field

[0001] This utility model relates to the field of helium detection technology, specifically a pin-type connector for an air spring product. Background Technology

[0002] Helium testing is an inspection method that involves evacuating the workpiece and then filling it with helium gas at a certain pressure. The workpiece is placed in a vacuum chamber with a certain vacuum level requirement, and the vacuum chamber is connected to the leak detection port of a helium mass spectrometer.

[0003] Chinese invention patent CN117387861A, published on January 12, 2024, discloses a helium detector connector for testing automotive compressors. The connector includes a base, two supports fixed to the base, a helium detector connector mounted on the two supports, and an intake and exhaust pipe connecting the two helium detector connectors. Each helium detector connector includes a gas guide pipe and a diverter valve fixed within the gas guide pipe. In this invention, the second leak-proof airbag, after inflating, can hook onto the outer flanges of the compressor's inlet and outlet pipes via a clamping mechanism. The first leak-proof airbag, after inflating, can expand outwards via a holding mechanism. Under the action of the tensioning mechanism, the holding mechanism can automatically clamp onto the inner wall of the compressor housing, thereby ensuring a stable connection between the gas guide pipe and the compressor's inlet and outlet pipes. This prevents the first leak-proof airbag from being squeezed out of the compressor's inlet and outlet pipes under high air pressure, thus ensuring stable connection during testing and sealing at the interface. This solves the problems in the prior art where the pressure difference between the inside and outside of the compressor easily causes the sealing airbag to be squeezed out and the helium detector to loosen from the compressor pipe.

[0004] However, the aforementioned publicly available solutions have the following shortcomings: For the installation and disassembly of high-pressure helium containers, the existing helium test connectors result in greater resistance due to the gas pressure, leading to low connection strength. Under frequent disassembly and use, the connection becomes inconvenient and the strength decreases. Utility Model Content

[0005] The purpose of this invention is to solve the technical problems of existing helium testing connectors, which, due to the gas pressure, result in greater resistance during installation and disassembly of high-pressure helium containers, leading to low connection strength and inconvenience and reduced strength under frequent disassembly and use. This invention provides a spring-loaded pin-type connector.

[0006] To achieve the above objectives, the present invention adopts the following technical solution;

[0007] The present invention relates to a pin-type connector for an air spring product, comprising a fixing plate; a plurality of limiting plates are fixedly connected to the fixing plate at intervals; a stepped connector is inserted into the limiting plate; the stepped connector has symmetrically formed locking and clearance grooves corresponding to the limiting plates; a connecting hole is formed on the stepped connector; a fixing base is inserted into the connecting hole; a tube is fixedly connected to the lower end of the fixing base; a connecting hole is formed between the tube and the fixing base; and a stepped groove is formed in the stepped connector corresponding to the tube.

[0008] Furthermore, a sealing ring is fitted onto the insertion tube.

[0009] Furthermore, parallel grooves are symmetrically formed on the outer surface of the fixed base.

[0010] Furthermore, a stepped tube is sleeved on the insertion tube; the stepped tube has a helium gas port corresponding to the insertion tube; a helium gas container is connected and fixed to the stepped tube; and a slot is provided on the stepped tube corresponding to the limiting plate.

[0011] The pin-type connector for air spring products provided by this utility model has the following beneficial effects:

[0012] 1. This utility model connects the tube by attaching a container for outputting helium gas, and then connects a flexible tube inside and outside the connecting hole to discharge helium gas for testing. With the help of a fixing plate and four limiting plates, when two limiting plates are in the locking groove, the vertical displacement of the stepped connector is restricted. At the same time, when the two lower limiting plates are attached to the slot, the displacement of the stepped connector and the stepped tube can be restricted by the limiting plates, thus connecting and fixing the two pipelines. At the same time, the pressure generated during connection squeezes the stepped connector to move in the locking groove. After displacement, the stepped connector and the stepped tube can be separated by removing the limiting plates, easily achieving pressurized separation.

[0013] 2. This utility model uses a stepped tube in conjunction with a helium port to discharge helium gas through an insertion tube and a connecting hole. Simply connect a flexible tube inside and outside the connecting hole to deliver the gas. Attached Figure Description

[0014] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings;

[0015] Figure 1 This is a schematic diagram of the first isometric structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the second isometric structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the third isometric structure of this utility model;

[0018] Figure 4 This is a front view structural diagram of the present invention;

[0019] Figure 5 This is a schematic diagram of the first assembly structure of this utility model;

[0020] Figure 6 This is a schematic diagram of the second assembly structure of this utility model;

[0021] Figure 7 This is a schematic diagram of the third assembly cross-sectional structure of this utility model.

[0022] The following are the labels in the diagram: 1. Fixing plate; 2. Limiting plate; 3. Stepped joint; 4. Stepped groove; 5. Locking clearance groove; 6. Connecting hole; 7. Fixing base; 8. Insert tube; 9. Connecting hole; 10. Sealing ring; 11. Parallel groove; 12. Helium container; 13. Stepped tube; 14. Locking groove; 15. Helium port. Detailed Implementation

[0023] It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

[0024] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0025] It should be noted that all directional indications (such as up-down-left-right-forward-backward...) in the embodiments of this utility model are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly. The connection can be a direct connection or an indirect connection.

[0026] Please see Figure 1-7As shown, a pin-type connector for an air spring product includes a fixing plate 1; multiple limiting plates 2 are fixedly connected to the fixing plate 1 at intervals; a stepped connector 3 is inserted into the limiting plate 2; the stepped connector 3 has symmetrically formed locking and clearance grooves 5 corresponding to the limiting plates 2; a connecting hole 6 is formed on the stepped connector 3; a fixing base 7 is inserted into the connecting hole 6; an insertion tube 8 is fixedly connected to the lower end of the fixing base 7; a connecting hole 9 is formed between the insertion tube 8 and the fixing base 7; a stepped groove 4 is formed in the stepped connector 3 corresponding to the insertion tube 8, through which a container for outputting helium gas is fitted onto the insertion tube 8. The connection is made, and then a flexible tube is connected inside and outside the connecting hole 9 to discharge helium gas for testing. With the cooperation of the fixing plate 1 and four limiting plates 2, when two limiting plates 2 are located in the locking and relief groove 5, the vertical displacement of the stepped connector 3 is restricted. At the same time, when the two lower limiting plates 2 are sleeved in the locking groove 14, the displacement of the stepped connector 3 and the stepped pipe 13 can be restricted by the limiting plates 2, so as to connect and fix the two pipelines. At the same time, the pressure generated during the connection squeezes the stepped connector 3 to move in the locking and relief groove 5. After the displacement, the stepped connector 3 and the stepped pipe 13 can be separated by removing the limiting plates 2, so as to easily achieve pressurized separation.

[0027] A sealing ring 10 is fitted onto the insertion tube 8, which ensures that the insertion tube 8 remains sealed and stable when connected to the helium port 15.

[0028] The outer surface of the fixed base 7 is symmetrically provided with parallel grooves 11. By using a tool to put on the parallel grooves 11, the fixed base 7 can be rotated for installation and disassembly, making the installation and disassembly stable and safe.

[0029] A stepped tube 13 is fitted onto the insertion tube 8; a helium gas port 15 is provided on the stepped tube 13 corresponding to the insertion tube 8; a helium gas container 12 is connected and fixed to the stepped tube 13; a slot 14 is provided on the stepped tube 13 corresponding to the limiting plate 2. Helium gas can be discharged through the insertion tube 8 and the connecting hole 9 by using the stepped tube 13 in conjunction with the helium gas port 15. It can be delivered and discharged by simply connecting a flexible tube inside and outside the connecting hole 9.

[0030] The spacing of the locking clearance groove 5 is less than or equal to the spacing between the limiting plates 2, so that the two limiting plates 2 can be inserted on both sides of the locking clearance groove 5 and can move up and down within the locking clearance groove 5. Therefore, it is more convenient to install and disassemble under pressure.

[0031] The diameter of the slot 14 is less than or equal to the distance between the limiting plates 2, so that the two limiting plates 2 can be inserted into the slot 14, thereby fixing the stepped tube 13 when the limiting plates 2 and the fixing plate 1 are fixed.

[0032] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0033] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A pin-type connector for a spring-loaded product, characterized in that; Includes a fixed plate (1); multiple limiting plates (2) are fixedly connected to the fixed plate (1) at intervals; a stepped connector (3) is inserted into the limiting plate (2); a locking and clearance groove (5) is symmetrically opened on the stepped connector (3) corresponding to the limiting plate (2); a connecting hole (6) is opened on the stepped connector (3); a fixed base (7) is inserted into the connecting hole (6); an insertion tube (8) is fixedly connected to the lower end of the fixed base (7); a connecting hole (9) is opened in the insertion tube (8) and the fixed base (7); a stepped groove (4) is opened in the stepped connector (3) corresponding to the insertion tube (8).

2. The air spring product pin connector according to claim 1, characterized in that: A sealing ring (10) is fitted onto the cannula (8).

3. The air spring product pin connector according to claim 1, characterized in that: The outer surface of the fixed base (7) is symmetrically provided with parallel grooves (11).

4. The air spring product pin connector according to claim 1, characterized in that: A stepped tube (13) is sleeved on the insertion tube (8); a helium gas hole (15) is opened on the stepped tube (8) corresponding to the insertion tube (8); a helium gas container (12) is connected and fixed on the stepped tube (13); a slot (14) is opened on the stepped tube (13) corresponding to the limiting plate (2).

5. The air spring product pin connector according to claim 1, characterized in that: The spacing of the positioning clearance groove (5) is less than or equal to the spacing between the limiting plates (2).

6. The air spring product pin connector according to claim 4, characterized in that: The diameter of the slot (14) is less than or equal to the spacing between the limiting plates (2).

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