M12 socket switching inspection tool
By designing an M12 socket adapter inspection tool and connecting multiple plugs in parallel using a plug-in connection method, the problem of long M12 socket inspection time in the existing technology is solved, and a fast and safe inspection effect is achieved.
Patent Information
- Application Number
- CN202422774190.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-14
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-11-14
AI Technical Summary
The existing M12 socket cannot be quickly connected to the wiring harness tester during factory inspection, resulting in long insulation and voltage withstand tests and the need for multiple people to operate.
An M12 socket adapter inspection tool was designed, which includes a junction box, a metal base plate and an M12 plug. The test rod is connected by plugging, and multiple plugs can be connected in parallel to simplify the inspection process.
It realizes fast and easy insulation and dielectric strength testing, reduces testing time, improves testing efficiency, and provides a safe wire connection environment.
Smart Images

Figure CN223348143U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of socket inspection, in particular to an M12 socket transfer inspection tool. Background Art
[0002] After the existing M12 socket is assembled, it needs to pass the factory inspection before it can be sold. The M12 socket cannot be connected to the wiring harness tester, which makes it impossible to use the wiring harness tester to quickly test the insulation and withstand voltage of the M12 socket.
[0003] Currently, ordinary insulation testers and dielectric strength testers are used for insulation and voltage withstand tests. The test is carried out by connecting a test rod, and multiple point-to-point tests are required to complete the insulation and voltage withstand test of an M12 socket. The test time is long, and the inspector needs to hold the test rod all the time, and it requires two people to complete this work. Utility Model Content
[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose an M12 socket transfer inspection tool.
[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:
[0006] An M12 socket adapter inspection tool comprises a junction box, a wire arrangement hole is provided on one outer wall of the junction box, a cover plate is threadedly connected to the top of the junction box, an opening is provided in the middle of the cover plate, a metal base plate is threadedly connected to the inner wall of the cover plate, a plurality of equidistantly arranged through holes are provided in the middle of the metal base plate, an M12 plug is fixedly sleeved in the through holes of the metal base plate, the metal base plate is electrically connected to the M12 plug, the metal base plate is electrically connected to a cable, each core piece of the plurality of M12 plugs is electrically connected to the cable, the other end of the cable extends to the outside of the junction box through the wire arrangement hole, and the extended end of the cable is electrically connected to a 32-core socket.
[0007] Preferably, there are twelve M12 plugs.
[0008] Preferably, the junction box and the cover plate are both made of plastic insulating material.
[0009] The beneficial effects of the utility model are:
[0010] 1. In the present invention, the design of the metal base plate, M12 plug, cable, and 32-core socket converts the test rod connection into a plug-in connection, which is convenient and quick, reduces the number of connections, realizes simple operation, and reduces preparation time.
[0011] 2. In the present invention, through the design of the metal base plate and the M12 plug, a plurality of M12 plugs can be reliably connected in parallel using a metal base plate, so that the same point can be converted into a single point for detection. That is, the M12 socket is plugged into the adapter inspection tool. Only one plug-in is required to check whether the insulation resistance and dielectric strength of the product meet the requirements at one time.
[0012] 3. In the present invention, the design of the junction box and the cover plate can reduce the mess of the wiring harness when the devices are electrically connected, and the junction box and the cover plate are made of plastic insulating material. The junction box and the cover plate provide a safe enclosed space for cable wiring, preventing people from electric shock and protecting the wire connectors from the influence of the external environment. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a structural schematic diagram of an M12 socket adapter inspection tooling of the present utility model.
[0014] Figure 2 The utility model is a schematic structural diagram of a junction box and a cover plate of an M12 socket adapter inspection tool.
[0015] Figure 3 This is a structural schematic diagram of a metal base plate and an M12 plug of an M12 socket adapter inspection tool of the present invention.
[0016] Numbers in the figure: 1, junction box; 101, cable hole; 2, cover; 201, opening; 3, metal base; 4, M12 plug; 5, cable; 6, 32-core socket. DETAILED DESCRIPTION
[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0018] As attached Figure 1 To the attached Figure 3 As shown:
[0019] An M12 socket adapter inspection tool includes a junction box 1. A cable arrangement hole 101 is formed on one outer wall of the junction box 1. A cover plate 2 is threadedly connected to the top of the junction box 1. An opening 201 is formed in the middle of the cover plate 2. A metal base plate 3 is threadedly connected to the inner wall of the cover plate 2. A plurality of equally spaced through holes are formed in the middle of the metal base plate 3. An M12 plug 4 is fixedly sleeved in the through holes of the metal base plate 3. The metal base plate 3 is electrically connected to the M12 plug 4, that is, all the No. 1 core lead wires of the M12 plug 4 are electrically connected to the metal base plate 3. The metal base plate 3 is electrically connected to a cable 5. The No. 1 core of the M12 plug 4 passes through the metal base plate 3 and is connected to the structure to lead out a cable 5.
[0020] Each core part of multiple M12 plugs 4 is electrically connected to the cable 5, that is, the remaining core parts of all M12 plugs 4 lead out a cable 5 after the structure is combined, and a metal base plate 3 is used to realize reliable parallel connection of multiple M12 plugs 4, that is, all the same points are connected in parallel, and only one point detection is required, which reduces the time required for detection and improves the detection speed. The other end of the cable 5 extends to the outside of the junction box 1 through the wire arrangement hole 101, and the extended end of the cable 5 is electrically connected to the 32-core socket 6.
[0021] In the above technical solution, when in use, the 32-core socket 6 is electrically connected to the terminal of the wiring harness electrical performance tester, and the M12 plug 4 is used to quickly plug in with the M12 socket. The plugging is convenient and fast, and the insulation withstand voltage test can be conveniently and quickly performed through the wiring harness electrical performance tester.
[0022] As attached Figure 2 To the attached Figure 3 As shown, there are twelve M12 plugs 4, which can realize the simultaneous testing of the insulation resistance and dielectric strength of twelve M12 socket products. The junction box 1 and the cover plate 2 are both made of plastic insulating material. The junction box 1 and the cover plate 2 provide a safe enclosed space for cable wiring to prevent people from electric shock and protect the wire connectors from being affected by the external environment.
[0023] The specific usage and function of this embodiment are as follows:
[0024] When the utility model is used, the 32-core socket 6 is electrically connected to the wiring terminal of the wiring harness electrical performance tester, and the M12 plug 4 is used to achieve quick plug-in with the M12 socket. The plug-in is convenient and fast, and the insulation withstand voltage test can be conveniently and quickly performed through the wiring harness electrical performance tester.
[0025] It is worth mentioning that the wiring harness electrical performance tester used for M12 socket testing is an ordinary insulation tester and a withstand voltage tester. The insulation tester and the withstand voltage tester are mature technologies in this field and have been fully disclosed, so they will not be repeated in the manual.
[0026] Please refer to the above structure and process Figure 1-3 .
[0027] The above are only preferred specific implementation methods of the present invention, but the protection scope of the present invention is not limited to them. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention within the technical scope disclosed by the present invention, and they should be covered by the protection scope of the present invention.
Claims
1. An M12 socket adapter inspection tool, comprising a junction box (1), characterized in that: A wire arrangement hole (101) is provided on one side outer wall of the junction box (1), a cover plate (2) is threadedly connected to the top of the junction box (1), an opening (201) is provided in the middle of the cover plate (2), a metal base plate (3) is threadedly connected to the inner wall of the cover plate (2), a plurality of through holes arranged at equal intervals are provided in the middle of the metal base plate (3), an M12 plug (4) is fixedly sleeved in the through hole of the metal base plate (3), the metal base plate (3) is electrically connected to the M12 plug (4), the metal base plate (3) is electrically connected to a cable (5), each core of the plurality of M12 plugs (4) is electrically connected to the cable (5), the other end of the cable (5) extends to the outside of the junction box (1) through the wire arrangement hole (101), and the extended end of the cable (5) is electrically connected to a 32-core socket (6).
2. The M12 socket adapter inspection tool according to claim 1, characterized in that: There are twelve M12 plugs (4).
3. The M12 socket adapter inspection tool according to claim 1, characterized in that: The junction box (1) and the cover plate (2) are both made of plastic insulating material.