Air tightness detection device for connector

By designing an airtightness detection device for connectors, the problems of low detection efficiency, high labor cost and poor sealing effect in the prior art are solved, and efficient and accurate airtightness detection is achieved.

CN222704244UActive Publication Date: 2025-04-01KUNSHAN LINGCHUANG AUTOMATION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421457534.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-25
Publication Date
2025-04-01
Estimated Expiration
2034-06-25

AI Technical Summary

Technical Problem

In the prior art, the airtightness detection efficiency of the connector is low, the labor cost is high, and the loose buckle position after multiple insertions and unplugging results in poor sealing effect, which requires secondary inspection.

Method used

A connector airtightness detection device with simple structure and easy operation is designed, including a placement assembly, a sealing assembly and a sensor. The placement assembly is used to place the connector. The sealing assembly blocks the wiring port and open slot of the connector, and a gas intake passage is set on the third sealing assembly to achieve airtightness detection.

Benefits of technology

It effectively improves detection efficiency, reduces labor costs, and improves sealing effect and detection accuracy, avoiding the need for secondary detection.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222704244U_ABST
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Abstract

The utility model proposes an air tightness detection device for a connector, which includes: a placement component, which includes a first bracket, a placement fixture is arranged on the first bracket, the placement fixture has a placement part for placing the connector body, the center of the placement part has a positioning hole for accommodating the plug-in column on the connector, and the circumference of the placement part is provided with a plurality of positioning groups for positioning the connector; a first blocking component is placed on one horizontal side of the placement fixture; a second blocking component is placed on the other horizontal side of the placement fixture; a third blocking component is placed above the placement fixture, and the third blocking component has an air inlet channel. Through the above method, the air tightness detection of the connector is mechanized, which effectively improves the work efficiency and the detection accuracy.
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Description

Technical Field

[0001] The utility model relates to the technical field of electronic device detection, in particular to an airtightness detection device for a connector. Background Art

[0002] The engine ECU is an electronic control unit used to collect signals, analyze signals, and issue control commands on an electronically controlled engine. It is the core component of an electronically controlled engine. The engine ECU connector is a connector that connects the engine ECU and the vehicle wiring harness, and is used to transmit current or signals. The sealing of the precision parts inside the ECU plays a vital role in the reliability of the system, and the quality of the sealing of the parts is generally determined by the airtightness test method. Therefore, it is necessary to perform an airtightness test on the ECU housing and connectors.

[0003] In the prior art, the corresponding male connector or female connector is generally used as a plug, which is manually sealed with glue and then inserted into the port for sealing. This is not only inefficient but also has high labor costs. In addition, after multiple plugging and unplugging, the buckle position of the connector is prone to loosening, resulting in poor sealing effect, which in turn causes poor airtightness detection and requires secondary inspection. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a connector air tightness detection device which has a simple structure and is easy to operate.

[0005] The main contents of the utility model include: a placement assembly, which includes a first bracket, a placement fixture is arranged on the first bracket, the placement fixture has a placement part for placing the connector body, the center of the placement part has a positioning hole for accommodating the plug-in column on the connector, and the circumference of the placement part is provided with a plurality of positioning groups for positioning the connector;

[0006] A first blocking component, which is placed on a horizontal side of the placement fixture and is used to block a first wiring port of the connector;

[0007] A second blocking component, which is placed on the other horizontal side of the placement fixture and is used to block the second wiring port of the connector;

[0008] The third blocking component is placed above the placement fixture and is used to block the open groove on the connector. The third blocking component is provided with an air inlet channel.

[0009] Preferably, the positioning group includes a first positioning group, which is arranged on a side of the placement portion away from the first blocking assembly, and the first positioning group includes two oppositely arranged first positioning blocks, and the first positioning blocks are inclined near the inner side wall of the placement portion to limit the installation portion of the connector.

[0010] Preferably, the positioning group includes a second positioning group, which is arranged on one side of the placement portion close to the second blocking component, and the second positioning group includes two oppositely arranged second positioning blocks, and a positioning space is formed between the two second positioning blocks for accommodating the second wiring port of the connector.

[0011] Preferably, the positioning group further comprises a third positioning block, which is arranged at one end of the placement portion away from the second positioning group, and one end of the connector body away from the second wiring port is correspondingly abutted against the third positioning block.

[0012] Preferably, the third sealing assembly includes a first lifting cylinder, the output end of the first lifting cylinder is downward and connected to a third connecting plate, a lower pressure plate is arranged on the lower end surface of the third connecting plate, the air intake channel is correspondingly opened on the lower pressure plate, and the lower end surface of the lower pressure plate has a sealing portion.

[0013] Preferably, the blocking portion is matched with the open slot of the connector, and an air outlet is formed on the lower end surface of the blocking portion, and the air outlet is communicated with the air inlet channel.

[0014] Preferably, the first sealing assembly includes a first transverse movement cylinder, the output end of the first transverse movement cylinder faces one side of the placement fixture and is connected to a first connecting plate, and a first sealing plug is arranged on an end face of the first connecting plate close to the placement fixture, and the first sealing plug can be correspondingly inserted into the first wiring port of the connector.

[0015] Preferably, two groups of the first sealing plugs are provided corresponding to the first wiring ports.

[0016] Preferably, the second sealing assembly includes a second transverse movement cylinder, the output end of the second transverse movement cylinder faces one side of the placement fixture and is connected to a second connecting plate, and a second sealing plug is arranged on the end face of the second connecting plate close to the placement fixture, and the second sealing plug can be correspondingly inserted into the second wiring port of the connector.

[0017] Preferably, a sensor is provided on a side of the placement fixture away from the first blocking component.

[0018] The beneficial effects of the utility model are as follows: the connector is placed on a placement jig, a sealing component is adaptively arranged around the placement jig, the sealing component corresponds to the wiring port of the connector, a third sealing component for sealing the open port of the connector is arranged on the placement jig, and an air inlet channel is arranged on the third sealing component to ventilate the connector to achieve airtightness detection, thereby replacing manual detection, effectively improving detection efficiency, reducing labor costs, and effectively improving the sealing effect, with high detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic diagram of the three-dimensional structure of the connector;

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of a preferred embodiment;

[0021] Figure 3 This is a schematic diagram of the three-dimensional structure of a preferred embodiment after the installation components are hidden;

[0022] Figure 4 This is a schematic diagram of the three-dimensional structure of a fixture for placement in a preferred embodiment;

[0023] Figure 5 A schematic diagram of the three-dimensional structure of the lower pressure plate of a preferred embodiment

[0024] Reference numerals:

[0025] 1. Installation assembly; 11. First bracket; 12. Installation fixture; 121. Installation portion; 122. Positioning hole; 123. First positioning block; 123. Second positioning block; 124. Third positioning block; 13. Sensor;

[0026] 2. First plugging assembly; 21. First transverse driving member; 22. First connecting plate; 23. First sealing plug;

[0027] 3. Second plugging assembly; 31. Second transverse driving member; 32. Second connecting plate; 33. Second sealing plug;

[0028] 4. third blocking assembly; 41. first lifting drive member; 42. third connecting plate; 43. lower pressing plate; 431. air inlet channel; 44. sealing part; 441. air outlet hole; 45. guide sleeve; 46. guide column;

[0029] 5. Connector; 51. Connector body; 52. First wiring port; 53. Second wiring port; 54. Mounting portion; 55. Plug post; 56. Open slot. DETAILED DESCRIPTION

[0030] The technical solution protected by the utility model is described in detail below with reference to the accompanying drawings.

[0031] like Figure 1 As shown, in this embodiment, a connector 5 is commonly used in automobile generators. The connector 5 includes a connector body 51. An open groove 56 is provided on the upper end surface of the connector body 51, and a plug post 55 is correspondingly provided on the bottom thereof. One side of the connector body 51 has two groups of first wiring ports 52, and the other adjacent side is provided with a group of second wiring ports 53. The side of the connector body 51 away from the first wiring ports 52 has a mounting portion 54, and the side of the mounting portion 54 is correspondingly an arc-shaped structure.

[0032] like Figure 1-2 As shown, the present application provides an air tightness detection device for a connector, which mainly includes a placement component 1, and the placement component 1 is used to place the connector 5 to be tested. A plugging component is arranged circumferentially of the placement component 1 to plug the connector 5 to make it in a sealed state, and an air inlet channel is arranged on one of the plugging components to blow air into the connector for air tightness detection. The plugging components include a first plugging component 2 for plugging the first wiring port 52, a second plugging component 3 for plugging the second wiring port 53, and a third plugging component 4 for plugging the open groove 56.

[0033] like Figure 1-4 As shown, the placement assembly 1 includes a first bracket 11, and a placement fixture 12 is arranged on the first bracket 11, and the above-mentioned connector 5 can be placed on the placement fixture 12 accordingly. The placement fixture 12 includes a placement portion 121, and the center of the placement portion 121 has a positioning hole 122 for accommodating the plug 55 on the connector 5, and the circumference of the placement portion 121 is provided with a positioning group. When the connector body 51 is placed on the placement portion 121, the bottom plug 55 is correspondingly inserted into the positioning hole 122, and the side wiring port is positioned by the positioning group to fix the placement position of the connector 5.

[0034] like Figure 1-4 As shown, the positioning group includes a first positioning group for limiting the mounting portion 54 of the connector, the first positioning group is correspondingly arranged on the side of the placement portion 121 away from the first blocking component 2, and the first positioning group includes two oppositely arranged first positioning blocks 123, the first positioning blocks 123 are inclinedly arranged close to the inner side wall of the placement portion 121 to adapt to the mounting portion 54 of the connector, so that when the connector 5 is placed on the placement fixture 12, the side wall of the connector mounting portion 54 fits against the inner side walls of the two first positioning blocks 123.

[0035] like Figure 1-4 As shown, the positioning group includes a second positioning group for limiting the second wiring socket 53 of the connector, and the second positioning group includes two second positioning blocks 124 arranged opposite to each other. A positioning interval is formed between the two second positioning blocks 124, and the width of the positioning interval is adapted to the width of the second wiring socket 53. The second wiring socket 53 can be placed correspondingly in the positioning interval.

[0036] like Figure 1-4 As shown, the positioning group also includes a third positioning block 124 for abutting the connector body 51. The third positioning block 124 is arranged opposite to the second positioning group and is correspondingly placed on the side of the placement portion 121 away from the second positioning group, and is used to abut an end surface of the connector body 51 away from the second wiring socket 53.

[0037] like Figure 2As shown, a sensor 13 is correspondingly arranged on one side of the placement jig 12 for detecting whether the connector on the jig is in place. Preferably, in this embodiment, the sensor 13 is correspondingly arranged on the side of the placement jig 12 away from the first blocking component 2.

[0038] like Figure 1-4 As shown, the first plugging assembly 2 specifically includes a first transverse cylinder 21, the output end of the first transverse cylinder 21 faces the placement fixture 12 and is connected to a first connecting plate 22, and a first sealing plug 23 is configured on the end surface of the first connecting plate 22 close to the placement fixture 12. The first sealing plug 23 is adaptively provided in two groups, respectively used to plug the two first wiring ports 52. In this embodiment, the first plugging assembly 2 is correspondingly placed on the side of the placement fixture 12 away from the first positioning group.

[0039] like Figure 1-4 As shown, the second plugging assembly 3 specifically includes a second transverse cylinder 31, the output end of the second transverse cylinder 31 faces the side of the placement fixture 12 and is connected to a second connecting plate 32, and a second sealing plug 33 is arranged on the end surface of the second connecting plate 32 close to the placement fixture 12, and the second sealing plug 33 is used to plug the second wiring port 53. In this embodiment, the second plugging assembly 3 is correspondingly placed on the side of the placement fixture 12 close to the second positioning group.

[0040] like Figure 1-4 As shown, preferably, the first sealing plug 23 and the second sealing plug 33 gradually increase from one end close to the placement fixture 12 to the end away from the placement fixture 12, and the end of the plug close to the placement fixture 12 is smaller than the corresponding connector port area, and the end of the plug away from the placement fixture 12 is larger than the corresponding connector port area, so as to ensure that the plug can enter the port and seal it under the action of the cylinder drive. Preferably, the plugs are made of soft materials, and when the plugs seal the ports, the plugs are deformed to a certain extent to ensure that the plugs are always in contact with the ports of the connectors to ensure the sealing effect. Among them, soft materials include but are not limited to silicone, rubber, etc.

[0041] like Figure 1-5As shown, the third blocking component 4 includes a first lifting cylinder 41 fixed on the top of the placement fixture 12 through a support frame, the output end of the first lifting cylinder 41 is downward and connected to the third connecting plate 42, the lower end surface of the third connecting plate 42 is correspondingly configured with a lower pressing plate 43, the lower pressing plate 43 has an air inlet channel 431, the lower end surface of the lower pressing plate 43 is configured with a downwardly protruding sealing portion 44, the sealing portion 44 is adapted to the open groove 56 of the connector 5, and the lower end surface of the sealing portion 44 is provided with an air outlet hole 441, and the air outlet hole 441 is upwardly connected to the air inlet channel 431. The lower pressing plate 43 drives the sealing portion 44 to press down, the lower pressing plate 43 covers the top of the connector 55, the sealing portion 44 is blocked in the open groove 56, and the gas enters the connector through the air inlet channel 431 and the air outlet hole 441.

[0042] like Figure 3 As shown, preferably, a guide sleeve 45 is correspondingly provided on the support frame, and a guide column 46 is provided on the third connecting plate 42, and the guide column 46 is correspondingly inserted into the guide sleeve 45 to improve the stability of the third connecting plate 42 during the lifting process.

[0043] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A connector air tightness detection device, characterized in that: Mainly include: The placement assembly includes a first bracket, a placement fixture is arranged on the first bracket, the placement fixture has a placement portion for placing the connector body, the center of the placement portion has a positioning hole for accommodating the plug-in column on the connector, and the circumference of the placement portion is provided with a plurality of positioning groups for positioning the connector; A first blocking component, which is placed on a horizontal side of the placement fixture and is used to block a first wiring port of the connector; A second blocking component, which is placed on the other horizontal side of the placement fixture and is used to block the second wiring port of the connector; The third blocking component is placed above the placement fixture and is used to block the open groove on the connector. The third blocking component is provided with an air inlet channel.

2. The air tightness detection device for a connector according to claim 1, characterized in that: The positioning group includes a first positioning group, which is arranged on a side of the placement portion away from the first blocking component. The first positioning group includes two oppositely arranged first positioning blocks. The first positioning blocks are inclined near the inner side wall of the placement portion to limit the installation portion of the connector.

3. The air tightness detection device for a connector according to claim 1, characterized in that: The positioning group includes a second positioning group, which is arranged on one side of the placement portion close to the second blocking component. The second positioning group includes two second positioning blocks arranged opposite to each other, and a positioning space is formed between the two second positioning blocks for accommodating the second wiring port of the connector.

4. The air tightness detection device for a connector according to claim 3, characterized in that: The positioning group further includes a third positioning block, which is arranged at an end of the placement portion away from the second positioning group, and an end of the connector body away from the second wiring port is correspondingly abutted against the third positioning block.

5. The air tightness detection device for a connector according to claim 1, characterized in that: The third blocking component includes a first lifting cylinder, the output end of which is downward and connected to a third connecting plate, a lower pressure plate is arranged on the lower end surface of the third connecting plate, the air intake channel is correspondingly opened on the lower pressure plate, and the lower end surface of the lower pressure plate has a blocking portion.

6. The air tightness detection device for a connector according to claim 5, characterized in that: The blocking portion is matched with the open groove of the connector, and an air outlet is formed on the lower end surface of the blocking portion, and the air outlet is communicated with the air inlet channel.

7. The air tightness detection device for a connector according to claim 1, characterized in that: The first sealing assembly includes a first transverse movement cylinder, the output end of the first transverse movement cylinder faces one side of the placement fixture and is connected to a first connecting plate, and a first sealing plug is arranged on an end surface of the first connecting plate close to the placement fixture. The first sealing plug can be correspondingly inserted into the first wiring port of the connector.

8. The air tightness detection device for a connector according to claim 7, characterized in that: The first sealing plugs are provided in two groups corresponding to the first wiring ports.

9. The air tightness detection device for a connector according to claim 1, characterized in that: The second sealing assembly includes a second transverse movement cylinder, the output end of the second transverse movement cylinder faces one side of the placement fixture and is connected to a second connecting plate, and a second sealing plug is arranged on an end surface of the second connecting plate close to the placement fixture. The second sealing plug can be correspondingly inserted into the second wiring port of the connector.

10. The air tightness detection device for a connector according to claim 1, characterized in that: A sensor is arranged on a side of the placement fixture away from the first blocking component.