Protective shell for terminal detection

By designing multiple mounting slots and electrical cavity structures in the plug connector, the problem of insufficient creepage distance and electrical clearance of the terminal block is solved, ensuring the stability and vibration resistance of the electrical connection.

CN222337233UActive Publication Date: 2025-01-10GUANGDONG QINGLIAN CABLE MFG CO LTD
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Patent Information

Application Number
CN202420797206.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-16
Publication Date
2025-01-10
Estimated Expiration
2034-04-16

AI Technical Summary

Technical Problem

The existing plug connectors lack sufficient creepage distance and clearance in their internal terminals, resulting in unstable electrical connections and making them prone to contact abnormalities due to vibration.

Method used

Design a protective housing for terminal testing, employing multiple mounting slots and an electrical cavity structure to ensure creepage distance and electrical clearance while fixing the wiring terminals through the slot design to avoid contact abnormalities caused by vibration.

Benefits of technology

It achieves a stable electrical connection, avoids contact abnormalities caused by vibration, and improves the stability and reliability of the electrical connection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of electrical accessories, and particularly discloses a protective shell for terminal detection, which comprises a shell body, an upper cover is arranged on the shell body, a plurality of terminal assembly clamping positions are arranged at the front end of the shell body, terminal assembly grooves are arranged at the upper ends of the terminal assembly clamping positions, and the terminal assembly grooves are arranged in the shell body. A plurality of terminal through holes corresponding to the terminal assembling clamping positions are formed in the back face of the shell, and a plurality of electrical concave cavities are formed in the shell and communicated with the terminal assembling grooves and the terminal through holes respectively. According to the utility model, the design of a plurality of assembly clamping positions is adopted, and the wiring terminals are assembled by arranging the terminal assembly clamping positions, so that enough creepage distance and electrical clearance are reserved, the stable operation of butt-joint electrical parts is effectively guaranteed, the phenomenon of abnormal contact caused by vibration can be avoided, and more stable electrical connection is realized.
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Description

Technical Field

[0001] The utility model relates to the technical field of electrical accessories, in particular to a protective shell for terminal detection. Background Art

[0002] A connector refers to a type of electrical part that selectively performs electrical connection, that is, selectively connects or disconnects electricity. Therefore, many electrical equipment and control devices can be installed on vehicles and wiring harnesses, cables, etc., including power lines of various types of electrical equipment, control signal lines, and communication lines between control devices, which can be installed in a predetermined layout. Specifically, for electrical connections between control devices and various wiring harnesses, a multi-position connector with multiple input and output terminals can be provided at one end of a wiring harness, cable, etc. The electrical connector combination of a plug connector and a socket connector that is generally used to transmit signals will be provided with a detection terminal to determine that after the plug connector and the socket connector are plugged in, the signal transmission or power supply is started or other detection functions are achieved. However, after the wiring terminals are assembled, the existing plug connectors do not have sufficient creepage distance and electrical clearance inside, which will affect the stable operation of the docking electrical device. In addition, when subjected to external vibration, it is easy to cause abnormal contact of the wiring terminals, reducing the working stability of the plug connector. Utility Model Content

[0003] The technical problem to be solved by the utility model is that, in view of the above-mentioned defects of the prior art, a protective shell for terminal detection is provided, which adopts a multiple assembly card position design and assembles the wiring terminals by setting the terminal assembly card positions, thereby leaving sufficient creepage distance and electrical clearance, effectively ensuring the stable operation of the docking electrical components, and at the same time avoiding abnormal contact caused by vibration, thereby achieving a more stable electrical connection.

[0004] In order to solve the above technical problems, the technical solution of the utility model is:

[0005] A protective shell for terminal detection comprises a shell, an upper cover is installed on the shell, a plurality of terminal assembly positions are arranged at the front end of the shell, a terminal assembly groove is opened at the upper end of the terminal assembly position, a plurality of terminal through holes corresponding to the terminal assembly positions are opened on the back side of the shell, a plurality of electrical cavities are opened in the shell, and the electrical cavities are respectively connected with the terminal assembly groove and the terminal through hole.

[0006] Preferably, the terminal assembly positions include a first terminal assembly position, a second terminal assembly position, a third terminal assembly position, a fourth assembly position, which are arranged sequentially from left to right and are located on the same horizontal line, and a fifth assembly position and a sixth assembly position which are located on another horizontal line.

[0007] Preferably, the terminal through hole includes a first terminal through hole, a second terminal through hole, a third terminal through hole, a fourth terminal through hole, a fifth terminal through hole and a sixth terminal through hole, and the first terminal through hole, the second terminal through hole, the third terminal through hole, the fourth terminal through hole, the fifth terminal through hole and the sixth terminal through hole are respectively connected to the first terminal assembly position, the second terminal assembly position, the third terminal assembly position, the fourth assembly position, the fifth assembly position and the sixth assembly position.

[0008] Preferably, the upper cover comprises a first upper cover and a second upper cover, and the first upper cover and the second upper cover are symmetrically arranged at the upper end of the shell.

[0009] Preferably, a plurality of snap-fit ​​buckles are provided on the side of the shell, a snap-fit ​​lug is provided on the end of the upper cover, and a snap-fit ​​through hole matched with the snap-fit ​​buckle is provided on the snap-fit ​​lug.

[0010] Preferably, the shell and the upper cover are both made of flame-retardant material.

[0011] By adopting the above technical scheme, the utility model provides a protective shell for terminal detection, which has the following beneficial effects: an upper cover is installed on the shell in the protective shell, a plurality of terminal assembly positions are arranged at the front end of the shell, a terminal assembly groove is opened at the upper end of the terminal assembly position, a plurality of terminal through holes corresponding to the terminal assembly positions are opened at the back of the shell, a plurality of electrical concave cavities are opened in the shell, and the electrical concave cavities are respectively connected with the terminal assembly groove and the terminal through holes, and a plurality of assembly position designs are adopted. The terminal assembly positions are set to assemble the wiring terminals, thereby leaving sufficient creepage distance and electrical clearance, effectively ensuring the stable operation of the docking electrical components, and at the same time, after being assembled with the wiring terminals, abnormal contact caused by vibration can be avoided, so as to achieve a more stable electrical connection and high working stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is an exploded view of the utility model;

[0013] Figure 2 It is a three-dimensional diagram of the utility model;

[0014] Figure 3 A three-dimensional diagram of the present invention from another angle;

[0015] In the figure, 1-shell, 2-terminal assembly groove, 3-electrical cavity, 4-first terminal assembly position, 5-second terminal assembly position, 6-third terminal assembly position, 7-fourth assembly position, 8-fifth assembly position, 9-sixth assembly position, 10-first terminal through hole, 11-second terminal through hole, 12-third terminal through hole, 13-fourth terminal through hole, 14-fifth terminal through hole, 15-sixth terminal through hole, 16-first upper cover, 17-second upper cover, 18-snapping buckle, 19-snapping ear, 20-snapping through hole. DETAILED DESCRIPTION

[0016] The specific implementation methods of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these implementation methods is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in each implementation method of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0017] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0018] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0019] like Figure 1-3As shown, the protective shell for terminal detection includes a shell 1, an upper cover is installed on the shell 1, a plurality of terminal assembly positions are arranged at the front end of the shell 1, a terminal assembly groove 2 is provided at the upper end of the terminal assembly position, a plurality of terminal through holes corresponding to the terminal assembly positions are provided on the back of the shell 1, and a plurality of electrical concave cavities 3 are provided in the shell 1, and the electrical concave cavities 3 are respectively connected with the terminal assembly groove 2 and the terminal through holes. It can be understood that the shell 1 and the upper cover are both made of flame-retardant material, that is, flame-retardant PVC material, and can also be made of high flame-retardant waterproof material, which has a high-strength dielectric constant, can effectively avoid poor breakdown of high-voltage arcs, and prevent the spread of flames when a fire occurs.

[0020] Specifically, the terminal assembly position includes a first terminal assembly position 4, a second terminal assembly position 5, a third terminal assembly position 6, a fourth assembly position 7, which are arranged in sequence from left to right and are located on the same horizontal line, and a fifth assembly position 8 and a sixth assembly position 9 located on another horizontal line; the terminal through hole includes a first terminal through hole 10, a second terminal through hole 11, a third terminal through hole 12, a fourth terminal through hole 13, a fifth terminal through hole 14 and a sixth terminal through hole 15, and the first terminal through hole 10, the second terminal through hole 11, the third terminal through hole 12, the fourth terminal through hole 13, the fifth terminal through hole 14 and the sixth terminal through hole 15 are respectively connected to the first terminal assembly position 4, the second terminal assembly position 5, the third terminal assembly position 6, the fourth assembly position 7, the fifth assembly position 8 and the sixth assembly position 9.

[0021] Specifically, the upper cover includes a first upper cover 16 and a second upper cover 17, and the first upper cover 16 and the second upper cover 17 are symmetrically arranged at the upper end of the shell 1; a plurality of snap-fit ​​buckles 18 are arranged on the side of the shell 1, and a snap-fit ​​ear 19 is arranged on the end of the upper cover, and a snap-fit ​​through hole 20 adapted to the snap-fit ​​buckle 18 is opened on the snap-fit ​​ear 19.

[0022] It can be understood that the utility model has a reasonable design and a unique structure. The terminal assembly position is set to assemble the terminal, thereby leaving sufficient creepage distance and electrical clearance, effectively ensuring the stable operation of the docking electrical components. At the same time, after being assembled with the terminal, it can avoid abnormal contact caused by vibration, achieve a more stable electrical connection, and have high working stability.

[0023] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.

Claims

1. A protective shell for terminal detection, comprising a shell, an upper cover is installed on the shell, and the characteristics are: The front end of the shell is provided with a plurality of terminal assembly positions, the upper end of the terminal assembly position is provided with a terminal assembly groove, the back side of the shell is provided with a plurality of terminal through holes corresponding to the terminal assembly positions, and the shell is provided with a plurality of electrical cavities, which are respectively connected with the terminal assembly groove and the terminal through holes.

2. The protective shell for terminal detection according to claim 1, characterized in that: The terminal assembly positions include a first terminal assembly position, a second terminal assembly position, a third terminal assembly position, a fourth assembly position, which are arranged in sequence from left to right and are located on the same horizontal line, and a fifth assembly position and a sixth assembly position which are located on another horizontal line.

3. The protective shell for terminal detection according to claim 2, characterized in that: The terminal through holes include a first terminal through hole, a second terminal through hole, a third terminal through hole, a fourth terminal through hole, a fifth terminal through hole and a sixth terminal through hole, and the first terminal through hole, the second terminal through hole, the third terminal through hole, the fourth terminal through hole, the fifth terminal through hole and the sixth terminal through hole are respectively connected to the first terminal assembly position, the second terminal assembly position, the third terminal assembly position, the fourth assembly position, the fifth assembly position and the sixth assembly position.

4. The protective shell for terminal detection according to claim 1, characterized in that: The upper cover includes a first upper cover and a second upper cover, and the first upper cover and the second upper cover are symmetrically arranged on the upper end of the shell.

5. The protective shell for terminal detection according to claim 1, characterized in that: A plurality of snap-fit ​​buckles are arranged on the side of the shell, a snap-fit ​​hanging ear is arranged on the end of the upper cover, and a snap-fit ​​through hole matched with the snap-fit ​​buckle is opened on the snap-fit ​​hanging ear.

6. The protective shell for terminal detection according to claim 1, characterized in that: The shell and the upper cover are both made of flame-retardant material.