High-voltage connector airtightness detection tool

By designing replaceable docking components and sealing structures in the airtightness testing equipment, the problem that existing equipment cannot quickly adapt to high-pressure connectors of different sizes has been solved, achieving efficient and accurate airtightness testing.

CN223637034UActive Publication Date: 2025-12-05SU ZHOU SI DUO GE JING MI SHE BEI YOU XIAN GONG SI
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422931986.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-12-05
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

Existing airtightness testing equipment cannot quickly replace the connecting pipe according to the inlet and outlet dimensions of the high-voltage connector, affecting testing efficiency and accuracy.

Method used

A high-pressure connector airtightness testing fixture was designed. By installing a docking component on the top of the testing platform and using a retaining ring with an external threaded tube and an air supply pipe, the docking tube can be quickly replaced according to the inlet and outlet dimensions of the high-pressure connector. The sealing performance is increased by the sealing ring to achieve a sealed connection.

Benefits of technology

It improves the accuracy and efficiency of airtightness testing, is suitable for high-voltage connectors of different sizes, and ensures the accuracy and speed of testing.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223637034U_ABST
    Figure CN223637034U_ABST
Patent Text Reader

Abstract

The utility model provides a high-voltage connector airtightness detection tool. The high-voltage connector airtightness detection tool comprises a bottom plate; the mounting cabinet is fixedly connected to the top of the bottom plate, a detection table is fixedly connected to the top of the mounting cabinet, a supporting plate is mounted at the position, close to one side, of the top of the detection table, an air cylinder is fixedly connected to one side of the supporting plate, and a mounting frame is mounted at the telescopic end of the air cylinder; the other side of the mounting frame is fixedly connected with a fixing ring, one end of the inner wall of the fixing ring is fixedly connected with an outer threaded pipe, the other end of the outer threaded pipe is provided with a sealing ring, and the outer surface of the outer threaded pipe is in threaded connection with a butt joint pipe. According to the airtight detection tool for the high-voltage connector, the butt joint pipes with corresponding sizes can be rapidly replaced according to the sizes of the inlet and the outlet of the high-voltage connector through the design, the connection sealing performance is improved, the detection precision is improved, and the detection efficiency is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to high pressure connector airtightness detection technical field especially relates to a high pressure connector airtightness detection frock. BACKGROUND

[0002] At present, the medium and large electronic products involved in the control of various industries will use high pressure connector to realize power supply for the products, if the high pressure connector is poor in airtightness and enters dust and moisture, it is easy to cause product short circuit or other adverse conditions, therefore, the airtightness of high pressure connector is related to whether the product can realize normal work, and it is the embodiment of product safety, and it is very necessary to carry out airtightness test.

[0003] The main method of airtightness detection includes using airtightness detector and carrying out airtightness test, the airtightness detector is used for checking whether there is leakage by compressing air or other gas into a container and utilizing the pressure difference of gas in and out of the container, and this method is often used in the production of products with sealing requirements for the container cavity, such as automobile engine, gearbox, axle, water tank and oil tank.

[0004] And the import and export sizes of different high pressure connectors are different, and the butt joint pipe of the existing airtightness detection equipment is generally shared, so it is not convenient to replace according to the import and export size of the high pressure connector, thereby affecting the efficiency and accuracy of high pressure connector airtightness detection.

[0005] Therefore, it is necessary to provide a high pressure connector airtightness detection frock to solve the above technical problems. UTILITY MODEL CONTENTS

[0006] The utility model provides a high pressure connector airtightness detection frock, solves the problem that the butt joint pipe of the existing airtightness detection equipment is generally shared and is not convenient to replace according to the import and export size of the high pressure connector, and influences the airtightness detection efficiency and accuracy.

[0007] To solve the above technical problems, the high pressure connector airtightness detection frock provided by the utility model comprises a bottom plate;

[0008] A mounting cabinet is fixedly connected to the top of the bottom plate, a detection table is fixedly connected to the top of the mounting cabinet, a supporting plate is installed at the position close to one side of the top of the detection table, a gas cylinder is fixedly connected to one side of the supporting plate, a mounting frame is installed at the telescopic end of the gas cylinder, a fixing ring is fixedly connected to the other side of the mounting frame, an external thread pipe is fixedly connected to one end of the inner wall of the fixing ring, a sealing ring is arranged at the other end of the external thread pipe, a butt joint pipe is threadedly connected to the outer surface of the external thread pipe, a sealing ring is arranged on the outer surface of the butt joint pipe, a gas conveying pipe is fixedly connected to the end of the fixing ring close to the mounting frame, and a gas storage assembly is installed at the bottom of the inner wall of the mounting cabinet.

[0009] A fixed plate is fixedly connected to the top of the detection table near the other side, and a docking assembly is installed on the side of the fixed plate near the supporting plate; and a display screen is installed on the top of the detection table through a fixing frame;

[0010] The four surfaces of the mounting frame are penetrated, the inner surface of the docking pipe is provided with threads for threaded connection with the outer threaded pipe, the other end of the inner wall of the docking pipe is provided with a position for docking with the sealing ring, the sealing ring increases the sealing property, the size and shape of the docking pipe are determined according to the inlet and outlet of the high-voltage connector, the structure on the docking assembly is the same as that on the fixing ring, but the connection between the fixing ring in the docking assembly and the outer threaded pipe is sealing, and the gas supply pipe can supply gas into the inner part of the outer threaded pipe.

[0011] Preferably, the gas storage assembly comprises a gas storage tank, the outlet of the gas storage tank is provided with a second valve through a connecting pipe, and one end of the second valve is provided with a tee joint through a fixing pipe.

[0012] A pressure gauge can be installed at the connection between the gas storage tank and the connecting pipe.

[0013] Preferably, one of the outlets of the tee joint is provided with a one-way valve through an installation pipe, and the top end of the one-way valve is provided with a first valve.

[0014] The top of the first valve is connected with the other end of the gas supply pipe.

[0015] Preferably, a pressure boosting assembly is installed at the bottom of the inner wall of the installation cabinet, the pressure boosting assembly comprises a protective shell with a gas permeable hole, a pressure boosting pump is installed in the protective shell, an air outlet pipe is installed at the outlet of the pressure boosting pump, and an air inlet pipe is installed at the inlet of the pressure boosting pump.

[0016] The air inlet pipe can be connected with a filtering device, and a valve is also installed on the air outlet pipe.

[0017] Preferably, a limiting frame is installed on the top of the detection table, and a control switch is installed on the front surface of the detection table through a mounting base.

[0018] The control switch can manually control the operation of the devices on the bottom plate.

[0019] Preferably, a cabinet door is rotationally connected to the front surface of the installation cabinet, and a control box with a box door is installed on one side of the installation cabinet.

[0020] The inside of the control box is provided with a power switch and a controller for controlling the operation of the devices.

[0021] Compared with the related art, the high-voltage connector air-tightness detection tool has the following advantages

[0022] Beneficial effects:

[0023] The utility model provides a high pressure connector airtightness detection frock, in order to let airtightness detection equipment can be applicable to different size high pressure connector, through the fixed plate installation a docking assembly on the top of detection platform, after the air cylinder is installed in the top of detection platform near the position of another side through the support plate, and in the telescopic end of air cylinder installs a fixed ring with female threaded pipe through mounting bracket, and let the one end of gas delivery pipe passes through mounting bracket and female threaded pipe connection good, and when needing detection, only need to connect good through the threaded mode and female threaded pipe with the docking pipe of corresponding size and with sealing ring, and install sealing ring on the one end of docking pipe and female threaded pipe contact can increase the sealing property, through the design can according to high pressure connector import and export size quick replacement corresponding size docking pipe, increase the connection sealing property, namely improve the precision of detection also is favorable to improve the detection efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 The structure diagram of a preferred embodiment of the high pressure connector airtightness detection frock provided by the utility model is shown in the figure.

[0025] Figure 2 The structure diagram of the gas storage assembly provided by the utility model is shown in the figure.

[0026] Figure 3 The structure diagram of the high pressure connector airtightness detection frock provided by the utility model is shown in the figure. Figure 2 The enlarged view of A shown in the figure.

[0027] Figure 4 The enlarged view of B shown in the figure. Figure 2 The structure diagram of the booster pump provided by the utility model is shown in the figure.

[0028] Figure 5 The structure diagram of the booster pump provided by the utility model is shown in the figure.

[0029] Mark number in the figure: 1, bottom plate, 2, cabinet door, 3, installation cabinet, 4, control box, 5, box door, 6, detection table, 7, fixed plate, 8, fixed frame, 9, display screen, 10, support plate, 11, air cylinder, 12, control switch, 13, installation base, 14, limit frame, 15, booster assembly, 151, protective shell, 152, air hole, 153, booster pump, 16, gas outlet pipe, 17, gas delivery pipe, 18, mounting bracket, 19, docking assembly, 20, gas inlet pipe, 21, gas storage assembly, 211, gas storage tank, 212, connecting pipe, 213, first valve, 214, check valve, 215, installation pipe, 216, tee, 217, fixed pipe, 218, second valve, 22, fixed ring, 23, female threaded pipe, 24, sealing ring, 25, docking pipe, 26, sealing ring. DETAILED DESCRIPTION

[0030] The utility model will be further described below in connection with the drawings and embodiment.

[0031] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 wherein, Figure 1 is a preferred embodiment of the high-voltage connector gas-tight detection tool provided by the utility model structure schematic diagram; Figure 2 is a structure schematic diagram of the gas storage tank provided by the utility model; Figure 3 is an enlarged view of A shown in Figure 2 ;

[0032] Figure 4 is an enlarged view of B shown in Figure 2 ; Figure 5 is a structure schematic diagram of the booster pump provided by the utility model. The high-voltage connector gas-tight detection tool comprises a bottom plate 1;

[0033] The installation cabinet 3 is fixedly connected at the top of the bottom plate 1, the top of the installation cabinet 3 is fixedly connected with a detection table 6, the top of the detection table 6 is installed with a support plate 10 near one side, one side of the support plate 10 is fixedly connected with a gas cylinder 11, the telescopic end of the gas cylinder 11 is installed with a mounting bracket 18, the other side of the mounting bracket 18 is fixedly connected with a fixed ring 22, one end of the inner wall of the fixed ring 22 is fixedly connected with an external thread pipe 23, the other end of the external thread pipe 23 is provided with a sealing ring 26, the outer surface of the external thread pipe 23 is threadedly connected with a butt joint pipe 25, the outer surface of the butt joint pipe 25 is provided with a sealing ring 24, one end of the fixed ring 22 close to the mounting bracket 18 is fixedly connected with a gas conveying pipe 17, and the bottom of the inner wall of the installation cabinet 3 is installed with a gas storage assembly 21;

[0034] The fixed plate 7 is fixedly connected at the top of the detection table 6 near the other side, and the side of the fixed plate 7 close to the support plate 10 is installed with a butt joint assembly 19; and the top of the detection table 6 is installed with a display screen 9 through a fixing frame 8;

[0035] The four faces of the mounting bracket 18 are penetrated, the inner surface of the butt joint pipe 25 is provided with threads for threadedly connecting with the external thread pipe 23, the other end of the inner wall of the butt joint pipe 25 is provided with a position for butt joint with the sealing ring 26, the sealing ring 24 increases the sealing property, the size and shape of the butt joint pipe 25 are determined according to the inlet and outlet of the high-voltage connector, the structure on the butt joint assembly 19 is the same as that on the fixed ring 22, but the connection between the fixed ring 22 and the external thread pipe 23 in the butt joint assembly 19 is sealing, the gas conveying pipe 17 can supply gas to the inside of the external thread pipe 23, a pressure surface or a pressure sensor is installed on the gas conveying pipe 17, and the display screen 9 can display the monitored data.

[0036] The gas storage assembly 21 comprises a gas storage tank 211, the outlet of which is provided with a second valve 218 through a connecting pipe 212, one end of the second valve 218 is provided with a tee joint 216 through a fixing pipe 217;

[0037] The second valve 218 is an automatic opening and closing electromagnetic valve, and a pressure gauge can be installed at the joint of the gas storage tank 211 and the connecting pipe 212.

[0038] One of the outlets of the tee joint 216 is provided with a one-way valve 214 through an installation pipe 215, and the top end of the one-way valve 214 is provided with a first valve 213;

[0039] The top of the first valve 213 is connected with the other end of the gas conveying pipe 17, and the one-way valve 214 can prevent the backflow of gas from the gas conveying pipe 17.

[0040] A booster assembly 15 is installed at the bottom of the inner wall of the installation cabinet 3, the booster assembly 15 comprises a protective shell 151 provided with a gas permeable hole 152, the inside of the protective shell 151 is provided with a booster pump 153, the outlet of the booster pump 153 is provided with a gas outlet pipe 16, and the inlet of the booster pump 153 is provided with a gas inlet pipe 20;

[0041] The gas inlet pipe 20 can be connected with a filtering device, a valve is also installed on the gas outlet pipe 16, and the other end of the gas outlet pipe 16 is connected with the other outlet of the tee joint 216.

[0042] A limiting frame 14 is installed at the top of the detection table 6, and a control switch 12 is installed on the front surface of the detection table 6 through a mounting base 13;

[0043] The control switch 12 can manually control the operation of the devices on the bottom plate 1, and the limiting frame 14 is located between the fixing plate 7 and the supporting plate 10, but does not affect the movement of the fixing ring 22.

[0044] The front surface of the installation cabinet 3 is rotationally connected with a cabinet door 2, and one side of the installation cabinet 3 is provided with a control box 4 provided with a box door 5;

[0045] Power switches and controllers for controlling the operation of devices are installed in the control box 4, and locks are arranged on the cabinet door 2 and the box door 5.

[0046] The working principle of the high-pressure connector gas-tightness detection tool is as follows:

[0047] A docking assembly 19 is installed on the top of the detection table 6 through the fixing plate 7, then the air cylinder 11 is installed on the top of the detection table 6 near the other side through the support plate 10, and a fixing ring 22 with an external threaded pipe 23 is installed on the telescopic end of the air cylinder 11 through the mounting frame 18, and one end of the gas conveying pipe 17 is passed through the mounting frame 18 and connected with the external threaded pipe 23, and when detection is needed, only the docking pipe 25 with a corresponding size and a sealing ring 24 needs to be connected with the external threaded pipe 23 in a threaded manner, and a sealing ring 26 is installed on the end in contact with the external threaded pipe 23 to increase the sealing property, and in actual use, the docking pipe 25 with a corresponding size is installed in the fixing ring 22 and the docking assembly 19, then one end of the high-pressure connector is connected with the docking assembly 19, then the air cylinder 11 is started to push the fixing ring 22 to approach the docking assembly 19, so that the other end of the high-pressure connector is sealed through the docking pipe 25 in the fixing ring 22, and finally high-pressure air can be input through the gas conveying pipe 17 to perform air tightness detection on the high-pressure connector.

[0048] Compared with the related art, the high-pressure connector air tightness detection tool has the following advantages

[0049] Beneficial effects:

[0050] In order to make the air tightness detection equipment applicable to high-pressure connectors with different sizes, a docking assembly 19 is installed on the top of the detection table 6 through the fixing plate 7, then the air cylinder 11 is installed on the top of the detection table 6 near the other side through the support plate 10, and a fixing ring 22 with an external threaded pipe 23 is installed on the telescopic end of the air cylinder 11 through the mounting frame 18, and one end of the gas conveying pipe 17 is passed through the mounting frame 18 and connected with the external threaded pipe 23, and when detection is needed, only the docking pipe 25 with a corresponding size and a sealing ring 24 needs to be connected with the external threaded pipe 23 in a threaded manner, and a sealing ring 26 is installed on the end in contact with the external threaded pipe 23 to increase the sealing property, and in actual use, the docking pipe 25 with a corresponding size is installed in the fixing ring 22 and the docking assembly 19, then one end of the high-pressure connector is connected with the docking assembly 19, then the air cylinder 11 is started to push the fixing ring 22 to approach the docking assembly 19, so that the other end of the high-pressure connector is sealed through the docking pipe 25 in the fixing ring 22, and finally high-pressure air can be input through the gas conveying pipe 17 to perform air tightness detection on the high-pressure connector.

[0051] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion in the utility model specification and the attached drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A high-voltage connector airtightness detection tool, characterized in that, Include: The bottom plate; The installation cabinet is fixedly connected at the top of the bottom plate, and the top of the installation cabinet is fixedly connected with a detection table. A supporting plate is installed at the top of the detection table near one side. A gas cylinder is fixedly connected to one side of the supporting plate. An installation frame is installed at the telescopic end of the gas cylinder. A fixing ring is fixedly connected to the other side of the installation frame. An external threaded pipe is fixedly connected to one end of the inner wall of the fixing ring. A sealing ring is arranged at the other end of the external threaded pipe. A butt joint pipe is threadedly connected to the outer surface of the external threaded pipe. A sealing ring is arranged on the outer surface of the butt joint pipe. A gas conveying pipe is fixedly connected to one end of the fixing ring near the installation frame. A gas storage assembly is installed at the bottom of the inner wall of the installation cabinet; The fixed plate is fixedly connected to the top of the detection table near the other side. An abutting assembly is installed on one side of the fixed plate near the supporting plate. A display screen is installed on the top of the detection table through a fixing frame.

2. The high-voltage connector air-tightness detection tool of claim 1, wherein, The gas storage assembly includes a gas storage tank. A second valve is installed at the outlet of the gas storage tank through a connecting pipe. A three-way head is installed at one end of the second valve through a fixed pipe.

3. The high-voltage connector air-tightness detection tool of claim 2, wherein, One of the outlets of the three-way head is installed with a one-way valve through an installation pipe. A first valve is installed at the top end of the one-way valve.

4. The high-voltage connector hermeticity test fixture of claim 1, wherein, A booster assembly is installed at the bottom of the inner wall of the installation cabinet. The booster assembly includes a protective shell with a breathable hole. A booster pump is installed inside the protective shell. An air outlet pipe is installed at the outlet of the booster pump. An air inlet pipe is installed at the inlet of the booster pump.

5. The high voltage connector hermeticity test fixture of claim 1, wherein, A limiting frame is installed on the top of the detection table. Control switches are installed on the front of the detection table through a mounting base.

6. The high voltage connector hermeticity test fixture of claim 1, wherein, A cabinet door is rotationally connected to the front of the installation cabinet. A control box with a box door is installed on one side of the installation cabinet.