Wiring board insert of vehicle motor drive assembly
The terminal block insert design, which uses powder metallurgy die casting and injection molding, solves the problems of complicated processing and high cost of terminal block inserts for automotive motor drive assemblies, achieving the effects of simplified processes and cost reduction.
Patent Information
- Application Number
- CN202423293889.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2034-12-31
AI Technical Summary
The wiring board inserts of existing automotive motor drive assemblies require multi-faceted machining, resulting in complicated processes and high processing costs.
The terminal block insert is manufactured by powder metallurgy die casting. The terminal screw is fixed by injection molding. The terminal block insert and the base are provided with slots and isolation plates to improve stability and prevent short circuits.
It significantly simplifies the processing steps, reduces costs, and solves the problems of cumbersome processing and high cost of traditional terminal block inserts by improving fastening reliability and sealing.
Smart Images

Figure CN223927680U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of terminal block technology, specifically to a terminal block insert for an automotive motor drive assembly. Background Technology
[0002] The terminal block insert of the automotive motor drive assembly is one of the key components of the motor drive system. It is an important component for connecting the motor with other electrical components, ensuring stable current transmission and normal operation of the motor. These inserts are usually embedded in the terminal block and, through specific structural design, achieve a tight fit with the motor terminals or other electrical connection components.
[0003] A terminal block with publication number CN212648596U includes a base plate, characterized in that: a conductive nut and a signal connector are provided in the base plate, the conductive nut has an upper wiring screw hole and a lower wiring screw hole formed on the top and bottom surfaces of the base plate, respectively, and the signal connector has an upper signal interface and a lower signal interface formed on the top and bottom surfaces of the base plate, respectively; the motor wiring terminals of the described terminal block are locked in the wiring thread holes of the terminal block insert by screws, and this wiring insert requires multi-face machining, the machining process of the wiring thread holes is cumbersome and the processing cost is high. In view of the above problems, this application designs a terminal block insert for automotive motor drive assembly. Utility Model Content
[0004] (a) Technical problems to be solved
[0005] To address the shortcomings of existing technologies, this utility model provides a terminal block insert for an automotive motor drive assembly.
[0006] (II) Technical Solution
[0007] To achieve the above objectives, this utility model provides the following technical solution: a terminal block insert for an automotive motor drive assembly, comprising a base, on which a plurality of terminal block inserts are fixed, the terminal block inserts being L-shaped, the terminal block inserts being formed by powder metallurgy die casting, and the top and side walls of the terminal block inserts being provided with terminal stud through holes, on which terminal screws are fixed.
[0008] Furthermore, the present invention is improved in that the wiring screw located on the upper side is vertically arranged, and the wiring screw located on the side is horizontally arranged.
[0009] Furthermore, in this invention, the wiring screw and the wiring stud through the hole are fixed by injection molding.
[0010] To make the connector insert more secure and prevent it from shaking, the present invention is improved by providing slots on both the bottom end and the side wall of the connector insert.
[0011] To prevent short circuits after the terminals of two adjacent terminal block inserts are connected, this invention is improved by fixing an isolation plate between each of the two adjacent terminal block inserts on the base.
[0012] (III) Beneficial Effects
[0013] Compared with the prior art, this utility model provides a terminal block insert for an automotive motor drive assembly, which has the following advantages:
[0014] The terminal block insert of the vehicle motor drive assembly is made by powder metallurgy die casting, which greatly reduces machining steps, simplifies the processing technology, and significantly reduces processing costs. It also makes the die casting groove and the base more secure and reliable during injection molding, improving sealing performance. This solves the drawbacks of traditional terminal block inserts that require multi-faceted machining, complicated processing steps, and high costs. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the first main view structure of this utility model;
[0016] Figure 2 This is a schematic diagram of the first partial structure of the present invention;
[0017] Figure 3 This is a schematic diagram of the second partial structure of the present invention.
[0018] In the diagram: 1. Base; 2. Terminal block insert; 3. Terminal stud through hole; 4. Terminal screw; 5. Slot; 6. Isolation plate. Detailed Implementation
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0020] Please see Figure 1-3 A terminal block insert for an automotive motor drive assembly includes a base 1, on which a plurality of terminal block inserts 2 are fixed. The terminal block inserts 2 are L-shaped and are formed by powder metallurgy die casting. The top and side walls of the terminal block inserts 2 are provided with terminal stud through holes 3, and terminal screws 4 are fixed on the terminal stud through holes 3.
[0021] The connector insert is L-shaped and formed by powder metallurgy die casting, which greatly reduces machining steps, simplifies the processing technology, significantly reduces processing costs, and makes the die casting groove and the substrate more secure and reliable during injection molding, thus improving sealing performance.
[0022] Furthermore, in this embodiment, the upper wiring screw 4 is vertically arranged, and the side wiring screw 4 is horizontally arranged.
[0023] Furthermore, in this embodiment, the wiring screw 4 and the wiring stud through hole 3 are fixed by injection molding.
[0024] In actual use, it was found that in order to make the connector insert 2 more secure and prevent shaking, in this embodiment, the bottom end and side wall of the connector insert 2 are provided with slots 5.
[0025] In actual use, it was found that in order to prevent short circuits after the terminals of two adjacent terminal block embeddings 2 are connected, in this embodiment, an isolation plate 6 is fixed on the base 1 between two adjacent terminal block embeddings 2.
[0026] To illustrate the possible application scenarios, technical principles, implementable specific solutions, and achievable objectives and effects of this application in detail, the following description, in conjunction with the listed specific embodiments and accompanying drawings, provides a detailed explanation. The embodiments described herein are merely illustrative of the technical solutions of this application and are therefore intended to limit the scope of protection of this application.
[0027] In this document, the term "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The term "embodiment" appearing in various places throughout the specification does not necessarily refer to the same embodiment, nor does it specifically limit its independence or connection with other embodiments. In principle, in this application, as long as there are no technical contradictions or conflicts, the technical features mentioned in each embodiment can be combined in any way to form corresponding implementable technical solutions.
[0028] Unless otherwise defined, the technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the use of related terms herein is merely for the purpose of describing particular embodiments and is not intended to limit this application.
[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A terminal block insert for an automotive motor drive assembly, comprising a base (1), characterized in that: Multiple terminal block inserts (2) are fixed on the base (1). The terminal block inserts (2) are L-shaped and are formed by powder metallurgy die casting. The top and side walls of the terminal block inserts (2) are provided with terminal stud through holes (3). Terminal screws (4) are fixed on the terminal stud through holes (3).
2. The terminal block insert for an automotive motor drive assembly according to claim 1, characterized in that: The upper wiring screw (4) is set vertically, and the side wiring screw (4) is set horizontally.
3. The terminal block insert for an automotive motor drive assembly according to claim 2, characterized in that: The wiring screw (4) is fixed to the wiring stud through hole (3) by injection molding.
4. The terminal block insert for an automotive motor drive assembly according to claim 3, characterized in that: The bottom end and side wall of the connector insert (2) are provided with slots (5).
5. The terminal block insert for an automotive motor drive assembly according to claim 4, characterized in that: An isolation plate (6) is fixed on the base (1) between each of the two adjacent terminal block inserts (2).
Citation Information
Patent Citations
Wiring board
CN212648596U