MSD connector with protective cover sealing detection function
By designing an MSD connector with protective cover seal detection function, the structure and assembly process are simplified, the production and assembly difficulties caused by the complexity of MSD connectors are solved, and the stability and dust protection of the equipment are improved through seal design.
Patent Information
- Application Number
- CN202420752395.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-12
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-04-12
AI Technical Summary
The complex structure of the MSD connector leads to difficult production and troublesome assembly, affecting subsequent maintenance work.
An MSD connector with protective cover seal detection function is designed, including a base, a fixing seat, a plastic upper cover, a silicone pad and a customer panel. By simplifying the structure and screw fixing method, it achieves easy assembly and sealing effect.
The structure of the MSD connector is simplified, the production and assembly difficulty is reduced, and the sealing design avoids dust pollution, ensuring the stability of the power-on state.
Smart Images

Figure CN222234053U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of MSD connectors, in particular to an MSD connector with a protective cover sealing detection function. Background Art
[0002] The manual maintenance switch (MSD) is a high-voltage connector with a fuse. When a new energy electric vehicle is undergoing vehicle maintenance, in order to ensure the safety of both the vehicle and the driver, the power supply of the high-voltage system is disconnected by pulling out the MSD. It can achieve electrical isolation of the high-voltage system and also play a role in short-circuit protection.
[0003] Regarding the above-mentioned related technologies, there are the following defects:
[0004] For the MSD connector, the structure of each component is relatively complex, which not only increases the difficulty of production, but also is troublesome during assembly, which is not conducive to subsequent maintenance work. Therefore, it is necessary to provide an MSD connector with a protective cover sealing detection function to solve the above technical problems. Utility Model Content
[0005] The technical problem to be solved by the utility model is that for the MSD connector, the structure of each component is relatively complex, which not only increases the difficulty of production, but also is troublesome during assembly, which is not conducive to subsequent maintenance work. In view of the above-mentioned defects of the prior art, an MSD connector with a protective cover sealing detection function is provided, including a base and two fixing seats, a plastic upper cover is placed on the upper surface of the customer panel, and four threaded holes are evenly opened on the upper surface of the plastic upper cover, and the interior of each threaded hole is screwed with a first screw that penetrates the customer panel and the silicone pad, and the lower end of the first screw is screwed with a thin nut. The fuse in the utility model is arranged in the installation groove opened by the base and fixed by the third screw, and the silicone pad and the customer panel are placed on the base and fixed by the second screw and the thick nut, and the plastic upper cover and the base are fixed by the first screw and the thin nut at the same time. The structure is simple and easy to assemble, which solves the technical problem that for the MSD connector, the structure of each component is relatively complex, which not only increases the difficulty of production, but also is troublesome during assembly, which is not conducive to subsequent maintenance work.
[0006] To achieve the above-mentioned purpose, the technical solution of the utility model is: an MSD connector with a protective cover sealing detection function, comprising a base and two fixing seats, four coarse nuts and four thin nuts are fixedly installed inside the base respectively, and an installation groove is opened on the upper surface of the base, a fuse is arranged inside the installation groove, copper sheets are fixedly installed at both ends of the fuse, two third screws are screwed between the copper sheet and the base, a silicone pad is placed on the upper surface of the base, a customer panel is placed on the upper surface of the silicone pad, four second screws screwed with coarse nuts are arranged inside the customer panel, and a plastic cover is placed on the upper surface of the customer panel, four threaded holes are evenly opened on the upper surface of the plastic cover, a first screw that passes through the customer panel and the silicone pad is screwed inside each of the threaded holes, and the lower end of the first screw is screwed to the thin nut.
[0007] It is further configured that the plastic upper cover includes two second cover bodies arranged on the top, and each of the second cover bodies is located on the outer side of the third screw.
[0008] It is further configured that the plastic upper cover includes four first cover bodies arranged at the corners, and each of the first cover bodies is located on the outer side of the second screw.
[0009] It is further arranged that the fuse is located between two fixing seats, and the fixing seats are located inside the plastic upper cover.
[0010] It is further arranged that the copper sheet is in an L-shaped structure, and the copper sheet is located inside the mounting groove.
[0011] It is further provided that a copper row locking screw structure is fixedly installed inside the fixing seat, and an upper end of the copper row locking screw structure is in contact with the third screw.
[0012] It is further arranged that the silicone pad is located outside the fuse and the fixing seat, and the silicone pad and the customer panel are both in a rectangular frame plate structure.
[0013] Compared with the related art, the MSD connector with a protective cover sealing detection function provided by the utility model has the following beneficial effects:
[0014] The utility model provides an MSD connector with a protective cover sealing detection function, wherein a fuse is arranged in an installation groove provided in a base and is fixed by a third screw, and a silicone pad and a customer panel are placed on the base and are fixed by a second screw and a thick nut, and at the same time, a plastic upper cover provided on the upper cover and the base are fixed by a first screw and a thin nut, the structure is simple and easy to assemble, and the technical problem that the structure of each component of the MSD connector is relatively complex, which not only increases the difficulty of production, but also is troublesome during assembly, and is not conducive to subsequent maintenance work is solved.
[0015] The utility model provides an MSD connector with a protective cover sealing detection function. The arranged fuse is placed inside the mounting groove and cooperates with a plastic upper cover, a customer panel, a silicone pad and a base seal to avoid dust pollution, effectively ensure the normal power-on state, and have high stability. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 A schematic structural diagram of a preferred embodiment of an MSD connector with a protective cover sealing detection function provided by the utility model;
[0017] Figure 2 It is a schematic diagram of the explosion structure of the utility model;
[0018] Figure 3 It is a three-dimensional diagram of the utility model;
[0019] Figure 4 It is a three-dimensional structural schematic diagram of the connection between the fuse and the base of the utility model;
[0020] Figure 5 The utility model is a schematic diagram of the side view structure of the copper sheet and the fuse connection.
[0021] Numbers in the figure: 1. Base; 2. Plastic cover; 3. First screw; 4. Customer panel; 5. Copper bar locking screw structure; 6. Second screw; 7. Copper sheet; 8. Coarse nut; 9. Threaded hole; 10. Silicone pad; 11. Fuse; 12. Mounting slot; 13. Thin nut; 14. Third screw; 15. Fixing seat; 16. First cover; 17. Second cover. DETAILED DESCRIPTION
[0022] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the accompanying drawings, in which typical embodiments of the present invention are shown. Example
[0023] like Figure 1-5As shown, an MSD connector with a protective cover sealing detection function of the utility model comprises a base 1 and two fixing seats 15, four coarse nuts 8 and four fine nuts 13 are fixedly installed inside the base 1, and a mounting groove 12 is provided on the upper surface of the base 1, a fuse 11 is arranged inside the mounting groove 12, copper sheets 7 are fixedly installed at both ends of the fuse 11, two third screws 14 are screwed between the copper sheet 7 and the base 1, a silicone pad 10 is placed on the upper surface of the base 1, a customer panel 4 is placed on the upper surface of the silicone pad 10, four second screws 6 screwed with the coarse nuts 8 are arranged inside the customer panel 4, and a plastic cover 2 is placed on the upper surface of the customer panel 4, four threaded holes 9 are evenly provided on the upper surface of the plastic cover 2, a first screw 3 penetrating the customer panel 4 and the silicone pad 10 is screwed inside each threaded hole 9, and the lower end of the first screw 3 is screwed to the fine nut 13.
[0024] During implementation, the fuse 11 is arranged in the installation groove 12 opened in the base 1 and fixed by the third screw 14, and the silicone pad 10 and the customer panel 4 are placed on the base 1 and fixed by the second screw 6 and the thick nut 8. At the same time, the plastic cover 2 and the base 1 are fixed by the first screw 3 and the thin nut 13. The structure is simple and easy to assemble, which solves the technical problem that the structure of each component of the MSD connector is relatively complicated, which not only increases the production difficulty, but also is troublesome during assembly, which is not conducive to subsequent maintenance work. Example
[0025] like Figure 1-5 As shown, on the basis of the first embodiment, the utility model provides a technical solution: the plastic cover 2 includes two second cover bodies 17 arranged on the top, each of the second cover bodies 17 is located on the outside of the third screw 14, the plastic cover 2 includes four first cover bodies 16 arranged at the corners, each of the first cover bodies 16 is located on the outside of the second screw 6, the fuse 11 is located between the two fixing seats 15, the fixing seat 15 is located inside the plastic cover 2, the copper sheet 7 is in an L-shaped structure, and the copper sheet 7 is located inside the mounting groove 12, a copper bar locking screw structure 5 is fixedly installed inside the fixing seat 15, and the upper end of the copper bar locking screw structure 5 is in contact with the third screw 14, the silicone pad 10 is located on the outside of the fuse 11 and the fixing seat 15, and the silicone pad 10 and the customer panel 4 are both in a rectangular frame plate structure.
[0026] In practice, the provided fuse 11 is placed inside the mounting groove 12 and is sealed with the plastic cover 2, the customer panel 4, the silicone pad 10 and the base 1 to avoid dust pollution, effectively ensuring the normal power-on state and high stability.
[0027] The base 1, thick nut 8 and thin nut 13 in the technical solution are produced by injection molding, and the copper sheet 7 is fixed inside the fixing seat 15. During assembly, the fuse 11 is first placed inside the installation slot 12 opened in the base 1, and the copper sheet 7 connected to the fuse 11 is fixed on the fixing seat 15 by the third screw 14, and then the silicone pad 10 and the customer panel 4 are laid on the base 1 in turn. At this time, the silicone pad 10 and the customer panel 4 are both located outside the fuse 11 and the fixing seat 15. Then, the silicone pad 10 and the customer panel 4 are fixed on the base 1 by the second screw 6, and finally the plastic cover 2 is placed on the customer panel 4, and the plastic cover 2 is installed and fixed by the first screw 3 and the thin nut 13, and the second screw 6 is located inside the first cover 16, and the third screw 14 is located inside the second cover 17. During normal operation, the fuse 11 is in contact with the copper bar locking screw structure 5, and the system operates normally. When the current is overloaded, the fuse 11 burns out and disconnects from the copper bar locking screw structure 5 to protect the system.
[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An MSD connector with a protective cover sealing detection function, comprising a base (1) and two fixing seats (15), characterized in that: Four thick nuts (8) and four thin nuts (13) are fixedly installed inside the base (1), and a mounting groove (12) is provided on the upper surface of the base (1). A fuse (11) is arranged inside the mounting groove (12). Copper sheets (7) are fixedly installed at both ends of the fuse (11). Two third screws (14) are screwed between the copper sheet (7) and the base (1). A silicone pad (10) is placed on the upper surface of the base (1). A customer panel (4) is placed on the upper surface of the silicone pad (10). Four second screws (6) screwed to the thick nuts (8) are provided inside the customer panel (4). A plastic upper cover (2) is placed on the upper surface of the customer panel (4). Four threaded holes (9) are evenly provided on the upper surface of the plastic upper cover (2). A first screw (3) that passes through the customer panel (4) and the silicone pad (10) is screwed inside each of the threaded holes (9). The lower end of the first screw (3) is screwed to the thin nut (13).
2. The MSD connector with protective cover sealing detection function according to claim 1, characterized in that: The plastic upper cover (2) comprises two second cover bodies (17) arranged on the top, and each of the second cover bodies (17) is located on the outside of the third screw (14).
3. The MSD connector with protective cover sealing detection function according to claim 1, characterized in that: The plastic upper cover (2) comprises four first cover bodies (16) arranged at the corners, and each of the first cover bodies (16) is located outside the second screw (6).
4. The MSD connector with a protective cover sealing detection function according to claim 1, characterized in that: The fuse (11) is located between two fixing seats (15), and the fixing seats (15) are located inside the plastic upper cover (2).
5. The MSD connector with protective cover sealing detection function according to claim 1, characterized in that: The copper sheet (7) has an L-shaped structure, and the copper sheet (7) is located inside the installation groove (12).
6. The MSD connector with protective cover sealing detection function according to claim 1, characterized in that: A copper row locking screw structure (5) is fixedly installed inside the fixing seat (15), and the upper end of the copper row locking screw structure (5) is in contact with the third screw (14).
7. The MSD connector with protective cover sealing detection function according to claim 1, characterized in that: The silicone pad (10) is located outside the fuse (11) and the fixing seat (15), and the silicone pad (10) and the customer panel (4) are both in a rectangular frame plate structure.
