CN219458032U - Wire connector structure - Google Patents

Abstract

The utility model relates to a wire connector structure, which is provided with a shell, terminals, wires and an inner rubber seat injection-molded with the shell, wherein the inner rubber seat is provided with a front end, a rear end and a terminal hole penetrating through the front end and the rear end, and the front end of the inner rubber seat is exposed from the shell; the shell is provided with a wire outlet which is positioned at one side of the rear end of the inner rubber seat; the terminal is correspondingly assembled in the terminal hole of the inner rubber seat and provided with a welding leg which extends out from the rear end of the inner rubber seat and is bent towards the opposite direction of the wire outlet; the wire rod is welded with the welding leg, straddles the rear end of the inner rubber seat, is bundled towards the wire outlet and extends out of the shell; and a cover plate is assembled on the rear end of the inner rubber seat, the cover plate covers the terminal hole and provides a supporting plane for the wire to be bundled towards the wire outlet, the welding leg is welded with the wire at one side of the cover plate, and the welding position of the wire and the welding leg is flush with the supporting plane provided by the cover plate. The utility model has compact and reasonable structure, is suitable for automatic assembly, effectively improves the production efficiency and quality, and has good product consistency.

Description

Wire connector structure

Technical Field

The present utility model relates to the field of electrical connectors, and more particularly, to a wire connector structure.

Background

The prior wire connector, such as a power connector, an encoder connector and the like, has relatively fixed external dimensions, and wires are required to be welded or riveted with terminals and then led out in a bundling way. The whole assembly process of the method is very inconvenient, is not suitable for automatic production, can only rely on manual operation, not only affects production, but also has unstable product quality and poor consistency. Meanwhile, the welding or riveting position of the wire rod and the terminal is closer to the wire rod bundling and leading-out position, so that the wire rod bundling stress is larger, the connection between the wire rod and the terminal is easily damaged, and poor connection is caused.

Disclosure of Invention

The utility model aims to provide a wire connector structure which is not only suitable for automatic production, but also reduces the influence of the stress of wire material bundling on the connection between a wire material and a terminal and ensures the quality.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a wire connector structure comprises a shell, terminals, wires and an inner rubber seat injection-molded with the shell, wherein the inner rubber seat is provided with a front end, a rear end and a terminal hole penetrating through the front end and the rear end, and the front end of the inner rubber seat is exposed from the shell; the shell is provided with an outlet which is positioned at one side of the rear end of the inner rubber seat; the terminal is correspondingly assembled in the terminal hole of the inner rubber seat, and is provided with a welding leg which extends out from the rear end of the inner rubber seat and is bent towards the opposite direction of the wire outlet; the wire rod is welded with the welding leg, straddles the rear end of the inner rubber seat, is bundled towards the wire outlet and extends out of the shell; and a cover plate is assembled on the rear end of the inner rubber seat, the cover plate covers the terminal hole and provides a supporting plane for the wire to be bundled towards the wire outlet, the welding leg is welded with the wire at one side of the cover plate, and the welding position of the wire and the welding leg is flush with the supporting plane provided by the cover plate.

The technical scheme is that the inner rubber seat is characterized in that a tooth-mouth-shaped welding wire groove is formed in the rear end of the inner rubber seat, the welding wire groove is located on one side of the cover plate, and the welding leg is located in the welding wire groove and connected with the wire in a welding mode.

The above scheme is further that the terminal hole is a straight hole penetrating through the front end and the rear end of the inner rubber seat, and the axial direction of the terminal hole and the wire outlet direction of the wire outlet are mutually perpendicular and crossed.

After the structure is adopted, the terminal is assembled to the inner rubber seat and then welded with the wire rod, the wire riveting is not needed, automatic one-time welding can be realized, the terminal is covered by the cover plate and pressed, and the terminals are stable and accurate; the shell is fixed with the inner rubber seat in an injection molding and sealing mode, wire material bundling and leading-out are achieved, the distance between the wire material bundling and leading-out position and the welding position of the wire material is far, wire material bundling is facilitated, the influence of the stress of wire material bundling on connection between the wire material and the terminal is reduced, and quality is guaranteed.

The utility model has compact and reasonable structure, is suitable for automatic assembly, effectively improves the production efficiency and quality, and has good product consistency.

Drawings

FIG. 1 is a schematic structural diagram of a preferred embodiment of the present utility model;

FIG. 2 is a partially exploded view of the embodiment of FIG. 1;

FIG. 3 is a schematic diagram of the embodiment of FIG. 1 after welding the wire and the terminal;

FIG. 4 is a schematic top view of the embodiment of FIG. 3;

fig. 5 is an exploded view of the structure of fig. 3.

Detailed Description

The conception, specific structure, and technical effects of the present utility model will be further described with reference to the accompanying drawings to fully understand the objects, features, and effects of the present utility model.

It should be noted that, in the description of the present utility model, terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present utility model.

Referring to fig. 1, 2, 3, 4 and 5, which are schematic structural diagrams of a preferred embodiment of the present utility model, the present utility model relates to a wire connector structure, in which a power connector is used as an example, and of course, products such as an encoder connector may also be used, which mainly aims at the relative fixing of the external dimensions of the products, and wire connection and extraction are required, so as to achieve automatic assembly, and effectively reduce the influence of the stress of wire bundling on the connection between the wires and the terminals. The wire connector structure is provided with a shell 1, a terminal 2, a wire 3 and an inner rubber seat 4 which is injection molded with the shell, wherein the inner rubber seat 4 is provided with a front end, a rear end and a terminal hole 41 which penetrates through the front end and the rear end, and the front end of the inner rubber seat 4 is exposed from the shell. In the figure, the front end of the inner rubber seat 4 forms a plug rubber core, so that the plug rubber core is convenient to connect with external equipment in a plug manner. The shell 1 is provided with an outlet 11, and the outlet 11 is positioned at one side of the rear end of the inner rubber seat 4; in this embodiment, the terminal hole 41 is a straight hole penetrating the front end and the rear end of the inner rubber base, and the axial direction of the terminal hole 41 and the wire outlet direction of the wire outlet 11 intersect perpendicularly. The terminal 2 is correspondingly assembled into the terminal hole 41 of the inner rubber seat 4 so as to be used for forming electric plug connection with external equipment, and the terminal 2 is provided with a welding leg 21 which extends out from the rear end of the inner rubber seat 4 and is bent towards the opposite direction of the wire outlet 11, so that a welding position is far away from the wire outlet 11 in a limited space of a product; like this, wire rod 3 and leg 21 welding connection back cross the rear end of interior gum seat 4 and receive the bundle and stretch out from shell 1 to outlet 11, make the inside wire rod of shell can double extension, can do benefit to mechanized bundle wire rod and carry out subsequent assembly from this, satisfy automated production. Meanwhile, the distance between the wire rod binding and leading-out part and the welding part of the wire rod is far, so that the influence of the stress of wire rod binding on the connection between the wire rod and the terminal is reduced, the defects of fracture and the like of the welding position are prevented, and the quality is ensured. In this embodiment, a cover plate 5 is assembled on the rear end of the inner rubber seat 4, the cover plate 5 covers the terminal hole 41 and provides a supporting plane for the wire 3 to converge toward the wire outlet 11, the soldering leg 21 is soldered to the wire 3 on one side of the cover plate 5, and the soldering position of the wire 3 and the soldering leg 21 is flush with the supporting plane provided by the cover plate 5. The cover plate 5 covers the terminal hole 41 and further presses the terminal 2, and the soldering leg 21 is correspondingly bent in the extending process to meet the requirement. During the equipment, terminal 2 implants terminal hole 41 from the rear end of interior gum seat 4, and then apron 5 inlay the rear end to interior gum seat 4, covers terminal hole 41 and restriction terminal 2, makes terminal 2 stable, accurate location at terminal hole 41, does benefit to follow-up assembly work, and the terminal obtains effective propping up force, and then increases plug result of use. In the figure, the rear end of the inner rubber seat 4 is provided with a containing groove matched with the shape and the size of the cover plate 5, and a positioning column 43 is added, when the cover plate 5 is correspondingly embedded into the containing groove, the positioning column 43 is inserted into a preset positioning hole 51 on the cover plate 5, so that the inner rubber seat 4 is positioned, assembled and prevented from falling off, and is beneficial to the subsequent injection molding connection of the inner rubber seat 4 and the shell 1. The wire 3 is correspondingly bent and converged on the supporting plane provided by the cover plate 5, the supporting plane is smooth and flat, the external interference suffered by wire converging is effectively reduced, the mechanical converging operation is facilitated, and the requirement of automatic production is met.

Further, in this embodiment, a tooth-shaped wire groove 42 is provided on the rear end of the inner rubber seat 4, the wire groove 42 is located on one side of the cover plate 5, and the soldering leg 21 is positioned in the wire groove 42 and is connected with the wire 3 in a soldering manner. The structure is further convenient for wire alignment welding, short circuit and position running are effectively avoided, and the automatic assembly efficacy is improved. The wires shown in the figures can be single-core wires or multi-core wires, one terminal corresponds to one wire, and then a plurality of wires are bundled together at the outlet 11 to form a wire harness and extend out of the outlet 11 together, and are connected with a corresponding power source or equipment and the like.

In this embodiment, the terminal 2 is assembled to the inner rubber seat 4, the cover plate 5 is covered, the wire 3 is welded to the terminal 2, and finally the inner rubber seat 4 is injection molded together with the housing 1 by placing the die, and the inner rubber seat 4, the terminal 2, the cover plate 5 and the wire 3 are directly fixed after the housing 1 is injection molded. The shell 1 can be obtained by injection molding of different materials for multiple times, so that different use effects of different parts of the shell can be obtained, such as injection molding of a waterproof sealing ring, and the tightness of plug connection is improved; and the wire is coated by the injection molding wire wrapping part at the outlet of the shell, so that the structural strength of the wire leading-out part is increased, the bending resistance and bending resistance are improved, and the service life of the product is prolonged.

The utility model has compact and reasonable structure, is suitable for automatic assembly, effectively improves the production efficiency and quality, and has good product consistency. The terminal is assembled to the inner rubber seat and then welded with the wire rod, the wire riveting is not needed, automatic one-time welding can be realized, the terminal is covered and pressed by the cover plate, and the terminals are stable and accurate; the shell is fixed with the inner rubber seat in an injection molding and sealing mode, wire material bundling and leading-out are achieved, the distance between the wire material bundling and leading-out position and the welding position of the wire material is far, wire material bundling is facilitated, the influence of the stress of wire material bundling on connection between the wire material and the terminal is reduced, and quality is guaranteed.

The present utility model has been described in detail with reference to the embodiments, but it is to be understood that the utility model is not limited to the embodiments, and is intended to be interpreted as illustrative only, and is not to be construed as limiting the scope of the utility model.

Claims (3)

1. The wire connector structure is characterized by comprising a shell (1), a terminal (2), a wire (3) and an inner rubber seat (4) which is injection molded with the shell, wherein the inner rubber seat (4) is provided with a front end, a rear end and a terminal hole (41) penetrating through the front end and the rear end, and the front end of the inner rubber seat (4) is exposed from the shell; a wire outlet (11) is arranged on the shell (1), and the wire outlet (11) is positioned at one side of the rear end of the inner rubber seat (4); the terminal (2) is correspondingly assembled into a terminal hole (41) of the inner rubber seat (4), and the terminal (2) is provided with a welding leg (21) which extends out from the rear end of the inner rubber seat (4) and is bent towards the opposite direction of the wire outlet (11); the wire (3) is welded with the welding leg (21), straddles the rear end of the inner rubber seat (4), is converged towards the wire outlet (11) and extends out of the shell (1); the inner rubber seat (4) is provided with a cover plate (5) at the rear end, the cover plate (5) covers the terminal hole (41) and provides a supporting plane for the wire (3) to converge towards the wire outlet (11), the welding leg (21) is welded with the wire (3) at one side edge of the cover plate (5), and the welding position of the wire (3) and the welding leg (21) is flush with the supporting plane provided by the cover plate (5).

2. The wire connector structure according to claim 1, wherein the rear end of the inner rubber seat (4) is provided with a tooth-shaped wire bonding groove (42), the wire bonding groove (42) is positioned on one side of the cover plate (5), and the soldering leg (21) is positioned in the wire bonding groove (42) and is connected with the wire (3) in a welding way.

3. A wire connector structure according to claim 1, wherein the terminal hole (41) is a straight hole penetrating the front and rear ends of the inner rubber base, and the axial direction of the terminal hole (41) and the wire outlet direction of the wire outlet (11) intersect perpendicularly.