CN212303956U

CN212303956U - Binding post and terminal row mounting structure

Info

Publication number: CN212303956U
Application number: CN202020240004.8U
Authority: CN
Inventors: 何先鹏; 徐敏
Original assignee: Zhenjiang Honglian Electrician Co ltd
Current assignee: Zhenjiang Honglian Electrician Co ltd
Priority date: 2020-03-02
Filing date: 2020-03-02
Publication date: 2021-01-05
Anticipated expiration: 2030-03-02

Abstract

The utility model discloses a binding post and terminal row mounting structure. It includes electrically conductive contact surface and directly from the leg of the vertical formation of bending on the electrically conductive contact surface lateral wall, and the bottom of electrically conductive contact surface is provided with downwardly extending's the tooth structure of taking out, and the hole of taking out the tooth structure is provided with and is used for the screw hole with fastener complex, and fastener cover has behind the preforming with electrically conductive contact surface fixed mounting and make the preforming can press contact conductor on electrically conductive contact surface. After adopting above-mentioned structure, guaranteed to take out that the tooth structure is last to have enough screw threads and take out the guide angle that the tooth top set up, made things convenient for the product installation, be provided with the inserting groove on insulating base simultaneously, but effective sufficient intensity of inserting groove of assurance, after taking out the tooth structure and passing the inserting groove on the electrically conductive contact surface, will take out tooth structure riveting on the step face of insulating base to guarantee the retentivity of more than 5 kilograms of single leg of welding, insulating base adopts trilateral spacing fence structure, the security performance of product has still been improved greatly.

Description

Binding post and terminal row mounting structure

Technical Field

The utility model relates to a wiring part structure of electric product, specifically speaking are binding post and terminal row mounting structure.

Background

For electrical products, a terminal is often required to connect various electrical control components or equipment, the existing terminal generally comprises an insulating base and a terminal arranged in the insulating base, the structure of the terminal has an inverted zigzag structure which can bear large interference without damage, but the tough thermoplastic material is easy to separate the terminal, the reliability is good, but the requirement on terminal material is higher, the cost is higher, and the strength is low, and later, in order to overcome the two defects, the applicant applies a utility model patent with a patent number of 201720422650.4, namely a conductive terminal and terminal row connecting structure for a PCB board on 4-21-4-2017, the utility model adopts the conductive terminal with a guide end and a positioning end and a seat body made of thermosetting material to guide by interference fit of the guide end and position by using a convex structure of the positioning end, the insulating base body is not damaged and terminals cannot be separated, the mounting and positioning are convenient, the connection is reliable, the manufacturing cost is reduced, however, practice proves that the structure overcomes the defects in the prior art, the problems of poor torsion and insufficient welding leg holding force still exist, and the requirements of customers on 5-time standard torsion, 5-kilogram holding force of a single welding leg and the like cannot be met at all.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a binding post and terminal row mounting structure that torsion is strong, the holding power is big.

In order to solve the technical problem, the utility model discloses a binding post, including electrically conductive contact surface and the direct leg of forming of bending on the electrically conductive contact surface lateral wall of following, the bottom of electrically conductive contact surface is provided with downwardly extending's the tooth structure of taking out, the hole of taking out the tooth structure be provided with be used for with fastener complex screw hole, fastener cover have behind the preforming with electrically conductive contact surface fixed mounting and make the preforming can press contact conductor on electrically conductive contact surface.

The height of the tooth extraction structure is 4-6 times of the thickness of the conductive contact surface.

And a guide angle positioned at the top of the tooth extracting structure is arranged on the conductive contact surface.

And the upper surface of the conductive contact surface is provided with an anti-skid groove.

A terminal block mounting structure adopting the wiring terminal comprises an insulating base, and a positioning groove and an insertion groove which are arranged on the insulating base and used for arranging the wiring terminal, wherein the tapping structure of the wiring terminal is positioned and mounted in the positioning groove, so that a welding pin on the wiring terminal extends out of the insulating base from the insertion groove, the depth of the insertion groove is 2-4 times of the thickness of a conductive contact surface, a step hole below the positioning groove is formed in the insulating base, and the tapping structure penetrates through the positioning groove and then is riveted on the step surface of the step hole.

The insulating base adopts a fence structure with three limited sides.

A plurality of cavities are cut into in the fence structure of the insulation base through the partition plates, and wiring terminals are installed in all the bodies.

After the structure is adopted, the arranged conductive contact surface, the welding leg directly formed by vertically bending the side wall of the conductive contact surface and the tapping structure with the height being 4-6 times of the thickness of the conductive contact surface are arranged at the bottom of the conductive contact surface, so that enough threads are arranged on the tapping structure of the conductive contact surface, and a guide angle arranged at the top of the tapping is ensured, the product installation is facilitated, meanwhile, the insertion groove which is used for protecting the tapping structure and has the depth being 2-4 times of the thickness of the conductive contact surface is arranged on the insulating base, the sufficient strength of the insertion groove is effectively ensured, in addition, the bottom of the insulating base is provided with a step hole, after the tapping structure on the conductive contact surface passes through the insertion groove, the tapping structure is riveted on the step surface of the insulating base, so that the holding power of more than 5 kilograms of a single welding leg is ensured, moreover, the insulating base adopts a fence structure with three-side limit, and the safety performance of the product is greatly improved.

Drawings

Fig. 1 is a schematic perspective view of the terminal strip mounting structure of the present invention;

fig. 2 is a schematic perspective view of the insulating base of the present invention;

fig. 3 is a schematic front view of the terminal block mounting structure of the present invention;

fig. 4 is a schematic top view of the terminal block mounting structure of the present invention;

fig. 5 is a schematic cross-sectional view of the terminal block mounting structure of the present invention;

fig. 6 is a schematic perspective view of the connection terminal of the present invention;

fig. 7 is a schematic view of the three-dimensional structure of the fastener with the pressing sheet of the present invention.

Detailed Description

The following describes the connecting terminal and the terminal block mounting structure in further detail with reference to the accompanying drawings and the detailed description.

The first embodiment is as follows:

as shown in the figure, the connecting terminal of the utility model comprises a conductive contact surface 1 and a welding leg 2 which is directly formed by vertically bending the side wall of the conductive contact surface, the L-shaped integrated structure is formed, the bottom of the center of the conductive contact surface 1 is provided with the downwards extending tapping structure 3, the height of the tapping structure 3 is 4-6 times, preferably 5 times, the thickness of the conductive contact surface 1, so that enough threads are ensured on the tapping structure 3, the conductive contact surface 1 is provided with the guide angle 6 positioned at the top of the tapping structure, the product installation is convenient, the upper surface of the conductive contact surface 1 is provided with the anti-skid groove, the inner hole of the tooth extracting structure 3 is provided with a threaded hole used for being matched with the fastening piece 4, and the fastening piece 4 is fixedly installed with the conductive contact surface after being sleeved with the pressing piece 5 and enables the pressing piece to press the contact conductor on the conductive contact surface.

Example two:

the utility model provides an adopt foretell binding post's terminal row mounting structure, be used for settling binding post's constant head tank 8 and inserting groove 9 including setting up on insulating base 7 and the insulating base, constant head tank 8 is round hole shape structure, binding post takes out tooth structure 3 fixed-position mounting and makes the leg 2 on the binding post stretch out outside the insulating base from the inserting groove in the constant head tank, the degree of depth of constant head tank 8 is 2-4 times of the thickness of conductive contact surface 1, preferably 3 times, in order to guarantee that the constant head tank has sufficient intensity, be provided with the step hole 10 that is located constant head tank 8 below on the insulating base 7, take out tooth structure 3 riveting on the step face in step hole after passing constant head tank 8, thereby guarantee the 5 kilograms of single leg above holding power.

Furthermore, the insulating base 7 adopts a three-side limiting fence structure for improving the safety performance of the product, the fence structure of the insulating base 7 is internally divided into a plurality of cavities through the partition plate 11, the four cavities are divided into four cavities in the embodiment, each whole body is internally provided with a wiring terminal, and in addition, the side fences of the partition plate 11 and the insulating base 7 are protruded out of the front surface of the insulating base, so that the safety distance of the product is greatly increased.

Claims

1. A connecting terminal is characterized in that: the conductive contact surface comprises a conductive contact surface (1) and a welding leg (2) which is formed by vertically bending the conductive contact surface side wall directly, wherein a tooth drawing structure (3) extending downwards is arranged at the bottom of the conductive contact surface (1), a threaded hole used for being matched with a fastener (4) is formed in an inner hole of the tooth drawing structure (3), and the fastener (4) is sleeved with a pressing sheet (5) and then is fixedly installed with the conductive contact surface so that the pressing sheet can press a contact conductor on the conductive contact surface.

2. A terminal block according to claim 1, wherein: the height of the tooth extraction structure (3) is 4-6 times of the thickness of the conductive contact surface (1).

3. A terminal block according to claim 1, wherein: and a guide angle (6) positioned at the top of the tooth extracting structure is arranged on the conductive contact surface (1).

4. A terminal block according to claim 1, wherein: and an anti-skid groove is arranged on the upper surface of the conductive contact surface (1).

5. A terminal block mounting structure using the connection terminal as claimed in any one of claims 1 to 4, wherein: the wiring terminal comprises an insulating base (7), a positioning groove (8) and an insertion groove (9), wherein the positioning groove (8) and the insertion groove (9) are arranged on the insulating base and used for accommodating a wiring terminal, the tapping structure (3) of the wiring terminal is positioned and installed in the positioning groove, so that a welding leg (2) on the wiring terminal extends out of the insulating base from the insertion groove, the depth of the positioning groove (8) is 2-4 times of the thickness of a conductive contact surface (1), a step hole (10) located below the positioning groove is formed in the insulating base (7), and the tapping structure (3) penetrates through the positioning groove and then is riveted on the step surface of the step hole.

6. The terminal block mounting structure according to claim 5, wherein: the insulating base (7) adopts a fence structure with three limited sides.

7. The terminal block mounting structure according to claim 6, wherein: a plurality of cavities are cut into in the fence structure of the insulating base (7) through the partition plates (11), and wiring terminals are installed in all the bodies.