Wiring terminal structure

Abstract

The utility model relates to a terminal, in particular to a wiring terminal structure, which solves the problem of terminal structure design. Comprising two half shells in central symmetry and a contact piece assembly, the half shells are in butt joint and fixed in a buckling mode, an installation cavity penetrating in the length direction is formed between the half shells, an installation part is arranged in the center of the installation cavity, and the installation cavity is further provided with insertion parts for direct insertion on the two sides of the installation part respectively. The surface of each half shell is provided with an insertion hole, the diameter of each insertion hole is gradually reduced from outside to inside, the side face of each half shell is provided with a protruding buckling part, and each half shell is provided with a buckling groove in one side of the buckling part, so that the number of parts is reduced, the overall connection tightness and sealing performance are improved through ingenious design, and the production efficiency is improved. The method has economical efficiency and practicability.

Description

Technical Field

[0001] The utility model relates to a terminal, in particular to a wiring terminal structure. Background Art

[0002] Terminal blocks are an accessory product used to achieve electrical connections, and are classified as connectors in the industry. With the increasing degree of industrial automation and the increasingly stringent and precise requirements for industrial control, the use of terminal blocks has gradually increased. With the development of the electronics industry, the scope of use of terminal blocks has become increasingly broad, and there are more and more types. In addition to PCB board terminals, the most widely used ones are hardware terminals, nut terminals, spring terminals, etc. For waterproof, plug-in, and miniature terminal block products, traditional products have a large number of parts, complex assembly, and a multi-open structure, and there is still a lot of room for improvement. Utility Model Content

[0003] In view of the deficiencies in the existing technology, the utility model provides a wiring terminal structure.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a terminal structure, including two centrally symmetrical half shells and a contact assembly, the half shells are connected to each other and fixed by snap connection, and an installation cavity that passes through along the length direction is formed between the half shells, the installation cavity has an installation part in the center, and the installation cavity has plug-in parts for direct insertion on both sides of the installation part, and the plug-in part is provided with a plug hole on the surface of the half shell, and the diameter of the plug hole gradually decreases from the outside to the inside, the half shell is provided with a protruding snap-on part on the side, and the half shell is provided with a snap-on groove on one side of the snap-on part, and the half shells are fixed by matching the relative snap-on parts and the snap-on grooves, and the installation part includes a low block and a high block for positioning and installing the contact assembly, and the low block is symmetrically arranged on the opposite sides of the high block.

[0005] A socket column and a socket slot of socket-and-socket matching are arranged between the half shells.

[0006] The half shell is provided with a reinforcement groove on the surface, and the reinforcement groove forms a raised reinforcement block in the installation cavity.

[0007] The contact piece assembly comprises a bridge piece and a bent piece. The bent pieces are arranged in pairs and symmetrically. The bent pieces are in overlapping contact with each other through the bridge piece.

[0008] The bent connecting piece is in a circular arch shape and has an abutment portion. The bridge connecting piece is inserted into the bent connecting piece, and the end of the bent connecting piece and the abutment portion elastically clamp the bridge connecting piece.

[0009] The bridge piece is provided with a limiting tooth for limiting cooperation on the side facing the abutting portion.

[0010] The surface of the half shell is provided with a concave groove for human hand to hold.

[0011] Beneficial effects of the utility model: the terminal structure provided by the utility model simplifies the number of parts, and the ingenious design improves the overall connection tightness and sealing, improves production efficiency, is economical and practical, and can be used for the connection of single-strand hard wires. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the combined structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the exploded structure of the utility model;

[0014] Figure 3 It is a schematic diagram of the half shell structure of the utility model;

[0015] Figure 4 This is a schematic diagram of the structure of the contact piece assembly of the utility model. DETAILED DESCRIPTION

[0016] like Figures 1-4 As shown, a terminal structure includes two centrosymmetrical half shells 1 and a contact assembly, wherein the half shells 1 are connected to each other and fixed by buckling, and an installation cavity 2 is formed between the half shells 1 and passes through in the length direction. The assembly direction of the half shells 1 is perpendicular to the plug-in direction, which is conducive to maintaining the structural strength and improving the service life. The relative closedness ensures the safety of assembly and has certain waterproof and dustproof properties in the environment.

[0017] The installation cavity 2 has an installation portion 3 in the center, and the installation cavity 2 has plug-in portions 4 for direct insertion on both sides of the installation portion 3. The installation portion 3 is the main part of the contact passage, and the plug-in portion 4 is a channel for the terminal to be inserted. The plug-in portion 4 is provided with a plug hole 5 on the surface of the semi-shell 1, and the diameter of the plug hole 5 gradually decreases from the outside to the inside, and the installation stability and relative sealing of the part are improved by the gradually narrowing channel.

[0018] The half shell 1 is provided with a protruding buckle portion 6 on the side, and the half shell 1 is provided with a buckle groove 7 on one side of the buckle portion 6. The half shells 1 are fixed to each other by the buckle portions 6 and the buckle grooves 7. Buckling facilitates operation and reduces the molding cost during production of the half shell 1.

[0019] The mounting portion 3 includes a low block 8 and a high block 9 for positioning and mounting the contact assembly, wherein the low block 8 is symmetrically arranged on opposite sides of the high block 9. Different parts of the contact assembly are blocked and limited, wherein the high block 9 can separate the two end interfaces of the mounting cavity 2 at the front and rear sides.

[0020] An insertion post 10 and an insertion slot 11 for insertion and fitting are provided between the half shells 1. In actual production and use, the insertion post 10 and the insertion slot 11 can be designed on one side of the half shell 1 at the same time, or can be set singly, specifically depending on the actual production and use.

[0021] The half shell 1 is provided with a reinforcing groove 12 on the surface, and the reinforcing groove 12 forms a raised reinforcing block 13 in the installation cavity 2. This improves the local structural strength, and in this embodiment, it can also make up for the deficiency of setting the snap groove 7. The surface of the half shell 1 is provided with a concave groove 14 for the human hand to hold, which is convenient for holding and using.

[0022] The contact piece assembly includes a bridging piece 15 and a bent connecting piece 16. The bent connecting pieces 16 are arranged in pairs and symmetrically, and the bent connecting pieces 16 are in lap contact through the bridging piece 15. The split structure design is convenient for processing and production, and it is convenient to replace parts. At the same time, it can also ensure the stable and reliable structure. The bent connecting piece 16 is in an arched shape, and the bent connecting piece 16 has an abutting portion 17. The bridging piece 15 is inserted into the bent connecting piece 16, and the end of the bent connecting piece 16 and the abutting portion 17 elastically clamp the bridging piece 15. The bridging piece 15 is provided with limiting teeth 18 for limiting and matching on the side facing the abutting portion 17. In this structure, the stable connection of the bridging piece 15 is maintained to ensure the normal use of the circuit wiring. The bridging piece 15 is essentially a copper piece and plays a role in conducting electricity. No more elaboration and limitation are made on it here.

[0023] In this embodiment, when a single-strand hard wire is inserted, it can drive the bridging piece 15 and the abutting portion 17 of the bent connecting piece 16 to have a certain bending deformation, so that the bridging piece 15 assists in clamping the hard wire. It is also possible to push forward the abutting portion 17 of the bent connecting piece 16 to make it have a reset elastic deformation tendency to clamp the hard wire. The above has the characteristics of multi-point clamping and anti-pulling, ensuring the stability of the single-strand hard wire joint conduction. The specific operation and use can be adjusted according to the actual product, and this is not the only limitation here. Due to the design characteristics, it is applicable to the direct connection of single-strand hard wires or various terminals and connectors, replacing the connection methods of electrical tape connection and traditional joint terminals.

[0024] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation of the present invention. At the same time, the basic principles, main features and advantages of the present invention are shown and described above. Those skilled in the art should understand.

Claims

1. A terminal structure, characterized in that: It comprises two centrally symmetrical half shells and a contact piece assembly, the half shells are connected to each other and fixed by snapping, an installation cavity which passes through in the length direction is formed between the half shells, the installation cavity has an installation portion in the center, and the installation cavity has plug-in portions for direct insertion on both sides of the installation portion, the plug-in portion is provided with a plug hole on the surface of the half shell, and the diameter of the plug hole gradually decreases from the outside to the inside, the half shell is provided with a protruding snap-in portion on the side, and the half shell is provided with a snap-in groove on one side of the snap-in portion, the half shells are fixed by the relative snap-in portions and the snap-in grooves, the installation portion comprises a low block and a high block for positioning and installing the contact piece assembly, and the low block is symmetrically arranged on the opposite sides of the high block.

2. A terminal structure according to claim 1, characterized in that: A socket column and a socket slot of socket-and-socket matching are arranged between the half shells.

3. A terminal structure according to claim 1 or 2, characterized in that: The half shell is provided with a reinforcement groove on the surface, and the reinforcement groove forms a raised reinforcement block in the installation cavity.

4. A terminal structure according to claim 3, characterized in that: The contact piece assembly comprises a bridge piece and a bent piece. The bent pieces are arranged in pairs and symmetrically. The bent pieces are in overlapping contact with each other through the bridge piece.

5. A terminal structure according to claim 4, characterized in that: The bent connecting piece is in a circular arch shape and has an abutment portion. The bridge connecting piece is inserted into the bent connecting piece, and the end of the bent connecting piece and the abutment portion elastically clamp the bridge connecting piece.

6. A terminal structure according to claim 5, characterized in that: The bridge piece is provided with a limiting tooth for limiting cooperation on the side facing the abutting portion.

7. A terminal structure according to claim 6, characterized in that: The surface of the half shell is provided with a concave groove for human hand to hold.

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