CN210350116U

CN210350116U - PCB type wiring terminal structure

Info

Publication number: CN210350116U
Application number: CN201921754730.5U
Authority: CN
Inventors: 王永兵
Original assignee: Suzhou Yingpuda Electronic Technology Co Ltd
Current assignee: Suzhou Yingpuda Electronic Technology Co Ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-04-17
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses a PCB formula binding post structure, include: the terminal shell is internally provided with a threading hole, a conductor is arranged on the terminal shell at the lower end inside the threading hole, a pin is arranged at the lower end of the conductor, the lower end of the pin extends out of the terminal shell, a locking bolt is screwed in the terminal shell at the upper end of the threading hole, an inner conductive sleeve is arranged at the upper end of the conductor, an outer conductive sleeve is arranged on the conductor outside the inner conductive sleeve, inner threading through holes are symmetrically arranged at the two sides of the lower end of the inner conductive sleeve, outer threading through holes are symmetrically arranged at the two sides of the lower end of the outer conductive sleeve, the outer threading through holes are communicated with the inner threading through holes and the threading hole, a plurality of sliding grooves are uniformly arranged at the upper end of the inner threading through holes, and conductive sliding blocks are respectively arranged in the sliding grooves in.

Description

PCB type wiring terminal structure

Technical Field

The utility model relates to an electronic connection field specifically is a PCB formula binding post structure.

Background

The wiring terminal is an electrical connection accessory, which comprises a plurality of connection modes such as a spring type, a fence type, a wall penetrating type and a plug-in type and is used for connecting and conducting two or more than two electrical leads. Wherein current PCB formula binding post structure mainly includes: the terminal shell is internally provided with a threading hole, a conductor is arranged on the terminal shell at the lower end in the threading hole, a pin is arranged at the lower end of the conductor, the lower end of the pin extends out of the terminal shell, and a locking bolt is screwed in the terminal shell at the upper end of the threading hole. When the existing PCB type wiring terminal structure is installed, the metal end part of the wire is tightly pressed on the conductor through the locking bolt, the metal end part of the wire and the conductor realize a single electric connection function, the phenomena of poor contact, poor electric connection effect and the like easily occur, and the use requirements of people cannot be met.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a PCB formula binding post structure has solved some current problems that appear contact failure, electricity connection effect subalternation phenomenon easily.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a PCB-style terminal block structure comprising: the terminal comprises a terminal shell, wherein a threading hole is formed in the terminal shell, a conductor is arranged on the terminal shell at the lower end in the threading hole, a pin is arranged at the lower end of the conductor, the lower end of the pin extends out of the terminal shell, a locking bolt is screwed in the terminal shell at the upper end of the threading hole, an inner conductive sleeve is arranged at the upper end of the conductor, an outer conductive sleeve is arranged on the conductor outside the inner conductive sleeve, inner threading through holes are symmetrically arranged at two sides of the lower end of the inner conductive sleeve, outer threading through holes are symmetrically arranged at two sides of the lower end of the outer conductive sleeve, the outer threading through holes are communicated with the inner threading through holes and the threading hole, a plurality of sliding grooves are uniformly arranged at the upper end of the inner threading through holes, conductive sliding blocks are respectively arranged in the sliding grooves in a sliding manner, and arc-shaped conductive contacts are arranged at, the other end of the conductive sliding block is connected with the outer conductive sleeve through a spring, a pressing upright post matched with the inner conductive sleeve is arranged at the lower end of the locking bolt, and an arc-shaped chamfer matched with the arc-shaped conductive contact is arranged on the outer side of the lower end of the pressing upright post.

Advantageous effects

The utility model provides a PCB formula binding post structure. Compared with the prior art, the method has the following beneficial effects: not only wire metal tip can directly realize the electricity connection function with the conductor, and wire metal tip can also loop through the stand that compresses tightly of locking bolt lower extreme, the electrically conductive contact of arc, electrically conductive slider, spring and outer conductive sleeve gives the conductor with the current transfer, realizes the secondary electricity connection function, and electrically conductive effectual effectively prevents to appear contact failure, the electricity connection effect subalternation phenomenon, has satisfied people's operation requirement.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic sectional structure view of a-a in fig. 1.

FIG. 3 is a schematic sectional view of B-B in FIG. 1.

In the figure: 1. terminal casing, 2, through wires hole, 3, conductor, 4, pin, 5, locking bolt, 6, interior conductive sleeve, 7, outer conductive sleeve, 8, interior threading through-hole, 9, outer threading through-hole, 10, spout, 11, electrically conductive slider, 12, arc conductive contact, 13, spring, 14, compress tightly stand, 15, arc chamfer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a PCB-style terminal block structure comprising: the terminal comprises a terminal shell 1, wherein a threading hole 2 is arranged in the terminal shell 1, a conductor 3 is arranged on the terminal shell 1 at the lower end in the threading hole 2, a pin 4 is arranged at the lower end of the conductor 3, the lower end of the pin 4 extends out of the terminal shell 1, a locking bolt 5 is screwed in the terminal shell 1 at the upper end of the threading hole 2, an inner conductive sleeve 6 is arranged at the upper end of the conductor 3, an outer conductive sleeve 7 is arranged on the conductor 3 at the outer side of the inner conductive sleeve 6, inner threading through holes 8 are symmetrically arranged at both sides of the lower end of the inner conductive sleeve 6, outer threading through holes 9 are symmetrically arranged at both sides of the lower end of the outer conductive sleeve 7, the outer threading through holes 9 are communicated with the inner threading through holes 8 and the threading hole 2, a plurality of sliding grooves 10 are uniformly arranged at the upper end of the inner threading through hole 8, and conductive sliding blocks, the conductive sliding block 11 is provided with an arc conductive contact 12 at one end extending into the inner conductive sleeve 6, the other end of the conductive sliding block 11 is connected with the outer conductive sleeve 7 through a spring 13, a pressing upright post 14 matched with the inner conductive sleeve 6 is arranged at the lower end of the locking bolt 5, and an arc chamfer 15 matched with the arc conductive contact 12 is arranged on the outer side of the lower end of the pressing upright post 14.

During installation, a metal end part of a lead is inserted into the wiring hole 2 and simultaneously passes through the inner threading through hole 8 at the lower end of the inner conductive sleeve 6 and the outer threading through hole 9 at the lower end of the outer conductive sleeve 7, the locking bolt 5 is screwed down, the locking bolt 5 drives the pressing upright post 14 to move downwards and insert into the inner conductive sleeve 6, the arc-shaped chamfers 15 on the outer side of the lower end of the pressing upright post 14 simultaneously extrude a plurality of arc-shaped conductive contacts 12 outwards, the arc-shaped conductive contacts 12 push the conductive slider 11 to slide outwards in the sliding groove 10 and extrude the spring 13, the pressing upright post 14 continues to move downwards until the metal end part of the lead is pressed on the conductor 3, the plurality of arc-shaped conductive contacts 12 are pushed to abut against the pressing upright post 14 under the counterforce of the spring 13, so that a secondary conductive effect is realized, and besides the direct electrical connection contact between the metal end part of the, The arc-shaped conductive contact 12, the conductive sliding block 11, the spring 13 and the outer conductive sleeve 7 transmit current to the conductor 3, and the conductive effect is good.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A PCB-style terminal block structure comprising: terminal casing (1) be provided with through wires hole (2) in terminal casing (1) be provided with conductor (3) on terminal casing (1) of the inside lower extreme in through wires hole (2) the lower extreme of conductor (3) is provided with pin (4), terminal casing (1) is stretched out to the lower extreme of pin (4), and threaded connection has locking bolt (5), its characterized in that in terminal casing (1) of through wires hole (2) upper end: an inner conductive sleeve (6) is arranged at the upper end of the conductor (3), an outer conductive sleeve (7) is arranged on the conductor (3) at the outer side of the inner conductive sleeve (6), inner threading through holes (8) are symmetrically arranged at two sides of the lower end of the inner conductive sleeve (6), outer threading through holes (9) are symmetrically arranged at two sides of the lower end of the outer conductive sleeve (7), the outer threading through holes (9) are communicated with the inner threading through holes (8) and the threading holes (2), a plurality of sliding grooves (10) are uniformly arranged at the upper end of the inner threading through holes (8), conductive sliding blocks (11) are respectively arranged in the sliding grooves (10) in a sliding manner, an arc-shaped conductive contact (12) is arranged at one end of the conductive sliding block (11) extending into the inner conductive sleeve (6), and the other end of the conductive sliding block (11) is connected with the outer conductive sleeve (7) through a spring (13), the lower end of the locking bolt (5) is provided with a pressing upright post (14) which is matched with the inner conductive sleeve (6), and the outer side of the lower end of the pressing upright post (14) is provided with an arc chamfer (15) which is matched with the arc conductive contact (12).