A terminal connector for multi-core wire quick press contact

Abstract

The utility model relates to electrical connector technical field, concretely is a kind of terminal connector of multicore wire quick crimping, including connector body, several wire embedding slots are arranged on the connector body, the outer end of the connector body is detachably installed with end cover, the inside of the end cover is equipped with the wire pressing plate of integrated structure, the wire embedding slot position of the wire pressing plate outside and the connector body are equipped with limit wire pressing block one by one, and the inner wall of the end cover is equipped with the elastic expansion pad supported in the inside of wire pressing plate, and the upper and lower ends of the end cover are all penetrated with the positioning guide pillar connected with wire pressing plate, the upper and lower ends of the end cover outside are all equipped with the adjusting limiting mechanism for accurately adjusting the position of positioning block.The terminal connector of multicore wire quick crimping can realize the simultaneous quick crimping of multiple wires, simplify the operation process, improve installation efficiency, and ensure the stability and safety of electrical connection.

Description

Technical Field

[0001] This utility model relates to the field of electrical connector technology, specifically to a multi-core wire quick-crimping terminal connector. Background Technology

[0002] Terminal connectors, as key components for achieving reliable electrical connections between cables and equipment, are widely used in distribution boxes, control cabinets, communication equipment, and other fields. With the increasing integration of industrial equipment, more and more applications require rapid and efficient terminal connection operations for multi-core cables to improve installation efficiency and reduce construction difficulty.

[0003] Most multi-core wire terminal connectors commonly found on the market use individual crimping or screw fastening, which is relatively simple in structure but has the problems of cumbersome operation and low efficiency. Especially when dealing with multi-core cables, traditional terminal connectors usually require each wire to be crimped or fixed separately, which is not only time-consuming and laborious, but also prone to poor contact or loose crimping due to improper operation, affecting the stability and safety of electrical connection. Utility Model Content

[0004] The purpose of this utility model is to provide a terminal connector for quick crimping of multi-core wires, so as to solve the problem mentioned in the background art that the commonly used multi-core wire terminal connectors on the market need to crimp or fix each wire individually when processing multi-core cables, which is time-consuming, labor-intensive and prone to poor contact or loose crimping.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a multi-core wire quick-crimping terminal connector, comprising a connector body, wherein a plurality of wire slots are arranged in parallel on the connector body, an end cap is detachably installed on the outer end of the connector body, and an integrally structured pressure plate is provided inside the end cap. Limiting pressure blocks are provided on the outer side of the pressure plate corresponding one-to-one with the positions of the wire slots of the connector body, and an elastic telescopic pad supported on the inner side of the pressure plate is provided on the inner wall of the end cap. Furthermore, positioning guide posts connected to the pressure plate are passed through both the upper and lower ends of the end cap, and positioning blocks are provided on the outer ends of the positioning guide posts. Adjustment limiting mechanisms for precisely adjusting the position of the positioning blocks are provided on the outer sides of both the upper and lower ends of the end cap.

[0006] Preferably, the adjustment and limiting mechanism on the end cap includes a threaded post, a threaded sleeve, and a pressing block. The threaded post is fixed in recesses on the outer walls of the upper and lower ends of the end cap. The threaded sleeve is connected to the outside of the threaded post through a threaded structure. The pressing block is welded and fixed to the outer end of the threaded sleeve. The inner side of the positioning block is provided with a circular notch that matches the structure of the pressing block.

[0007] Preferably, the upper and lower ends of the inner side of the pressure plate are connected to the inner wall of the end cap, and the auxiliary elastic arch is a U-shaped structure, and the connection between the auxiliary elastic arch and the pressure plate and the end cap is fixed by welding.

[0008] Preferably, the inner ends of the limiting pressure blocks are all connected to the outer side of the pressure plate through elastic support pieces, and the elastic support pieces are all fixedly fitted into the rectangular recesses opened on the outer side of the pressure plate.

[0009] Preferably, the end cap has flange insertion portions at both the upper and lower ends, and the connector body has recessed receiving portions at both the upper and lower ends.

[0010] Preferably, the elastic stretch pad adopts a double-layer composite structure composed of a silicone elastomer and a foamed polyurethane layer, with the foamed polyurethane layer of the elastic stretch pad facing the pressure plate.

[0011] Compared with existing technologies, the advantages of this invention are: this multi-core wire quick-crimping terminal connector enables simultaneous and rapid crimping of multiple wires, simplifying the operation process, improving installation efficiency, and ensuring the stability and safety of electrical connections. Through the integrated crimping plate design inside the end cover, combined with the precise crimping of the wires by the limiting crimping block, and the uniform pressure support provided by the elastic telescopic pad, this multi-core wire quick-crimping terminal connector not only ensures crimping quality but also effectively prevents wire damage. Simultaneously, the linkage mechanism between the positioning guide post and the positioning block ensures the linear movement of the crimping plate during operation, making the entire crimping process more efficient and precise. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of a terminal connector structure for quick crimping of multi-core wires according to the present invention;

[0013] Figure 2 This is a schematic diagram of the outer structure of the crimping plate of a terminal connector for quick crimping of multi-core wires according to this utility model.

[0014] Figure 3 This is a schematic diagram of the outer structure of the end cap of a terminal connector for quick crimping of multi-core wires according to this utility model;

[0015] Figure 4 This is a schematic diagram of the mating structure between the end cap and the connector body of a multi-core wire quick-crimping terminal connector according to this utility model.

[0016] In the diagram: 1. Connector body; 2. End cap; 3. Pressure plate; 4. Limiting pressure block; 5. Elastic telescopic pad; 6. Positioning guide post; 7. Positioning block; 8. Auxiliary elastic arch; 9. Threaded post; 10. Threaded sleeve; 11. Pressing round block; 12. Elastic support plate. Detailed Implementation

[0017] 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.

[0018] Please see Figure 1-4This utility model provides a technical solution: a multi-core wire quick-crimping terminal connector, including a connector body 1, with a plurality of wire slots arranged in parallel on the connector body 1. An end cover 2 is detachably installed on the outer end of the connector body 1. The end cover 2 has an integrated pressure plate 3 inside. Limiting pressure blocks 4 are provided on the outer side of the pressure plate 3, corresponding one-to-one with the wire slots of the connector body 1. The inner wall of the limiting pressure blocks 4 is an arc-shaped structure. An elastic telescopic pad 5 is provided on the inner wall of the end cover 2, supporting the inner side of the pressure plate 3. Positioning guide posts 6 are passed through the upper and lower ends of the end cover 2 and connected to the pressure plate 3. Positioning blocks 7 are provided on the outer ends of the positioning guide posts 6. Adjustment limits for precisely adjusting the position of the positioning blocks 7 are provided on the outer sides of the upper and lower ends of the end cover 2. The connector body 1 of this structure embeds each wire of the multi-core cable into multiple wire slots. The installation of the end cap 2 causes the integrated pressure plate 3 inside to press down synchronously. The pressure plate 3 then drives the limiting pressure block 4 to act on the wires in the wire slots, achieving simultaneous crimping of multiple wires. During this process, the elastic expansion pad 5 provides stable rebound support for the pressure plate 3, ensuring uniform pressure and providing a certain buffering performance to prevent damage to the wires due to excessive tightness or poor contact due to excessive looseness. Simultaneously, the position of the positioning block 7 can be finely adjusted through the adjustment limiting mechanism on the outside of the end cap 2. Combined with the linkage between the positioning guide post 6 and the pressure plate 3, this precisely controls the linear movement of the pressure plate 3 during the crimping process. To improve the accuracy and consistency of crimping, this structural design solves the problems of existing multi-core wire terminal connectors requiring individual crimping, which is cumbersome, inefficient, and prone to poor contact due to uneven crimping. It achieves rapid and stable crimping of multiple wires in one operation, improving installation efficiency and the stability and safety of electrical connections. The adjustment and limiting mechanism on the end cover 2 includes a threaded post 9, a threaded sleeve 10, and a pressing block 11. The threaded post 9 is fixed in recesses on the upper and lower outer walls of the end cover 2. The threaded sleeve 10 is connected to the outside of the threaded post 9 via a threaded structure. A plastic knob is fixedly fitted on the outer side of the middle of the threaded sleeve 10. The pressing block 11 is welded and fixed to the outer end of the threaded sleeve 10, and the inner side of the positioning block 7 is provided with a connection to the pressing block 11. The circular notch that matches the wire pressing plate 3 allows for precise adjustment of its position. This is achieved by rotating the threaded sleeves 10 on the outer sides of the upper and lower ends of the end cap 2, causing them to move axially along the threaded post 9. This, in turn, moves the pressing block 11 synchronously. The pressing block 11 engages with the circular notch on the inner side of the positioning block 7. By adjusting the screw depth of the threaded sleeves 10, precise control of the positioning block 7's position can be achieved, thereby adjusting the overall position of the positioning guide post 6 and the connected wire pressing plate 3. This not only ensures accurate alignment of the wire pressing plate 3 during crimping but also improves the equipment's adaptability to different wire specifications and operational flexibility. Furthermore, auxiliary elastic arches 8, which have a U-shaped structure, are connected between the upper and lower ends of the inner side of the wire pressing plate 3 and the inner wall of the end cap 2.The connection between the pressure plate 3 and the end cap 2 is fixed by welding. This structure allows the auxiliary elastic arch 8 to deform synchronously when the pressure plate 3 is under force. This provides additional elastic support and cushioning when the pressure plate 3 is under pressure, ensuring sufficient crimping force while providing appropriate rebound force to ensure stable clamping of the wire and avoid poor contact. The inner ends of the limiting pressure blocks 4 are connected to the outer side of the pressure plate 3 via elastic support plates 12, and the elastic support plates 12 are fixedly fitted into the openings on the outer side of the pressure plate 3. Within the rectangular notch, when the limiting pressure block 4 is subjected to reverse pressure from the wire during the crimping process, it transmits this pressure to the elastic support plate 12 connected to its inner end. The elastic support plate 12 undergoes elastic deformation under pressure, resulting in a slight displacement and rebound force within the rectangular notch outside the pressure plate 3. This allows the limiting pressure block 4 to have a certain degree of floating adjustment capability during crimping, adapting to wires of different diameters or shapes. This ensures a tight fit between the crimped surfaces and uniform pressure distribution, preventing damage to the wire due to overly tight crimping caused by rigid connections or damage due to overly loose connections. To address the issue of poor contact, both the upper and lower ends of the end cap 2 are equipped with flanged insertion portions, and both the upper and lower ends of the connector body 1 are equipped with recessed receiving portions. This structure allows the flanged insertion portions at the upper and lower ends of the end cap 2 to engage with the corresponding recessed receiving portions at the ends of the connector body 1. Bolts are then used to secure the connection through mounting holes on the end cap 2 and threaded holes on the connector body 1. This not only enables rapid alignment and assembly between the end cap 2 and the connector body 1 but also improves the overall structural stability. The elastic expansion pad 5 employs a double-layer composite structure consisting of a silicone elastomer and a polyurethane foam layer. The polyurethane foam layer of the elastic expansion pad 5 faces the pressure plate 3. During crimping, the pressure applied by the pressure plate 3 first acts on the polyurethane foam layer. Due to its excellent buffering performance and deformation capacity, it effectively absorbs and disperses pressure, preventing damage caused by excessive compression of the wires. Simultaneously, the silicone elastomer, as the bottom layer, provides stronger support and resilience, ensuring that appropriate clamping force is maintained throughout the crimping process, maintaining good contact between the wires without loosening.

[0019] Working principle: When using this multi-core wire quick-crimping terminal connector, firstly, each wire of the multi-core cable is inserted into the corresponding wire slot on the connector body 1. Then, the end cap 2 is aligned with the outer end of the connector body 1, and the flange insertion parts at the upper and lower ends are engaged with the recessed receiving parts of the connector body 1. A bolt is then passed through the mounting hole on the end cap 2 and screwed into the threaded hole of the connector body 1 for fixation. After the end cap 2 is in place, the crimping plate 3, supported by the elastic expansion pad 5 and the auxiliary elastic arch 8, begins to apply downward pressure. 3 drives multiple limiting pressure blocks 4 to press down synchronously, so that they act on each wire in the wire groove, realizing the simultaneous crimping of multiple wires. During the crimping process, the elastic support plate 12 undergoes slight elastic deformation to adapt to the reaction force generated by the wire being pressed. At the same time, the adjustment limiting mechanism on the outside of the end cover 2 drives the pressing block 11 to move by rotating the threaded sleeve 10, thereby precisely adjusting the position of the positioning block 7. The positioning block 7 guides the movement of the pressure plate 3 through the positioning guide post 6, realizing the fine adjustment of the position of the pressure plate 3, ensuring the precise execution of the crimping action, thereby completing a series of tasks.

[0020] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A terminal connector for multi-core wire quick press connection, comprising a connector body (1), a plurality of wire embedding grooves are arranged side by side on the connector body (1), characterized in that: The outer end of the connector body (1) is detachably mounted with an end cover (2), the inside of the end cover (2) is provided with a one-piece structure of the wire pressing plate (3), the outer side of the wire pressing plate (3) is provided with a limiting wire pressing block (4) corresponding to the wire embedding groove position of the connector body (1), and the inner wall of the end cover (2) is provided with an elastic expansion pad (5) supported on the inside of the wire pressing plate (3), and the upper and lower ends of the end cover (2) are both penetrated with a positioning guide column (6) connected with the wire pressing plate (3), the outer end of the positioning guide column (6) is provided with a positioning block (7), and the outer side of the upper and lower ends of the end cover (2) is provided with an adjusting limiting mechanism for accurately adjusting the position of the positioning block (7).

2. A multi-core wire quick compression terminal connector according to claim 1, characterized in that: The adjusting limiting mechanism on the end cover (2) includes a threaded column (9), a threaded sleeve (10) and a pressing circular block (11), the threaded column (9) is fixed in the recess hole provided on the outer wall of the upper and lower ends of the end cover (2), the threaded sleeve (10) is connected to the outside of the threaded column (9) through a threaded structure, the pressing circular block (11) is welded and fixed on the outer end of the threaded sleeve (10), and the inside of the positioning block (7) is provided with a circular notch matched with the structure of the pressing circular block (11).

3. The multi-conductor quick compression terminated connector of claim 1, wherein: The upper and lower ends of the inside of the wire pressing plate (3) and the inner wall of the end cover (2) are further connected with an auxiliary elastic arch piece (8), and the auxiliary elastic arch piece (8) is a U-shaped structure, and the connection between the wire pressing plate (3) and the end cover (2) is welded and fixed.

4. The multi-conductor quick compression terminated connector of claim 1, wherein: The inner end of the limiting wire pressing block (4) is connected with the outside of the wire pressing plate (3) through an elastic supporting piece (12), and the elastic supporting piece (12) is fixedly embedded in the rectangular notch provided on the outside of the wire pressing plate (3).

5. The multi-conductor quick compression terminated connector of claim 1, wherein: The upper and lower ends of the end cover (2) are both provided with a flange plug-in part, and the upper and lower ends of the connector body (1) are both provided with a recess receiving part.

6. The multi-conductor quick compression terminated connector of claim 1, wherein: The elastic expansion pad (5) adopts a double-layer composite structure of a silica gel elastomer and a foamed polyurethane layer, and the foamed polyurethane layer of the elastic expansion pad (5) faces the wire pressing plate (3).

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