CN211265751U

CN211265751U - Switching stretching terminal for introducing large current of conductive lead into PCB

Info

Publication number: CN211265751U
Application number: CN202020444589.5U
Authority: CN
Inventors: 张智远
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-08-14
Anticipated expiration: 2030-03-31

Abstract

The utility model discloses a switching tensile terminal for leading the heavy current of a conductive lead wire into a PCB, which is characterized in that the switching tensile terminal consists of a wire pressing column, a conductive sheet and a switching sheet; the wire pressing column is approximately in a hollow cylindrical shape and comprises a wire pressing wall and a through wire pressing hole; one end of the conducting plate is connected with the bottom of the wire pressing wall, and the conducting plate is parallel to the central axis of the wire pressing hole and is positioned below the central axis of the wire connecting hole; the adapter sheet is connected to the other end of the conducting sheet, a through stretching nut hole is formed downwards in the adapter sheet, and threads are formed in the stretching nut hole. Compared with the prior art, the utility model has the advantages of small volume, simple structure, no loose and loose, long service life, wide application range, etc.

Description

Switching stretching terminal for introducing large current of conductive lead into PCB

Technical Field

The utility model relates to a switching screw terminal, concretely relates to is a tensile terminal that is arranged in changing over to the PCB board with the heavy current of electrically conductive lead wire.

Background

Terminals are the fundamental elements for electrical connections and signal transfer between devices, assemblies and components, and systems. The common terminal is required to have the characteristics of good contact, reliable work, convenient maintenance and the like, and whether the normal work of the equipment is directly influenced by the reliable work of the terminal or not relates to the safety of the whole host. For this reason, the host circuit has very strict requirements on the quality and reliability of the terminal, and the terminal is also widely applied to military systems such as aviation, aerospace, national defense and the like due to high quality and high reliability of the terminal.

The current lead-in structure of the current PCB is composed of a PCB welding plate socket and conductive terminals. The welding plate socket is fixed on the electric part through a square (round) plate, the conductive terminal is generally linked with a cable, and the terminal and the socket are fixed through a screw so as to realize connection.

For the circuit board, current needs to be led in through the terminal and the soldering board socket, but the socket of the soldering board is always subjected to false soldering and loosening at the contact point position, so that potential safety hazards such as open circuit and short circuit exist.

Disclosure of Invention

An object of the utility model is to provide a need not to weld socket and can introduce the terminal that draws of PCB board with the heavy current. The PCB welding plate socket solves the potential safety hazard problems of open circuit, cold solder, short circuit, no shock resistance and the like in the existing PCB welding plate socket connection.

The purpose of the utility model is realized by the following technical proposal,

a switching tensile terminal for introducing a large current of a conductive lead into a PCB (printed Circuit Board), which consists of a wire pressing column, a conductive sheet and a switching sheet; the wire pressing column is approximately in a hollow cylindrical shape and comprises a wire pressing wall and a through wire pressing hole; one end of the conducting plate is connected with the bottom of the wire pressing wall, and the conducting plate is parallel to the central axis of the wire pressing hole and is positioned below the central axis of the wire connecting hole; the adapter sheet is connected to the other end of the conducting sheet, a through stretching nut hole is formed downwards in the adapter sheet, and threads are formed in the stretching nut hole.

Furthermore, the conducting plate is further provided with a positioning hole, and the positioning hole is located between the conducting plate and the adapter plate.

Further, the conducting strip is in contact with the PCB, and a screw is screwed into the stretching nut hole to lock the switching stretching terminal.

Further, the adapter plate is approximately L-shaped.

The utility model provides a but tensile terminal of locate mode heavy current switching is introduced to PCB electric current, is provided with the heavy current switching piece, and has tensile nut on this switching piece, can form stable being connected with the circuit board through this tensile nut. Therefore, the large current in the conductive lead is led into the PCB through the switching screw, and the stable leading-in of the large current is realized. Compared with the prior art, the utility model has the advantages of small, simple structure, high reliability, low cost, long service life, wide application range and the like.

Drawings

Fig. 1 is a schematic front perspective view of a preferred embodiment of the present invention;

FIG. 2 is a schematic view of a reverse three-dimensional structure according to a preferred embodiment of the present invention;

fig. 3 is a schematic view of the assembly structure of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and 2, fig. 1 and 2 are schematic perspective views of front and back sides of a switching tensile terminal for introducing a large current of a conductive lead into a PCB according to the present invention.

The adapting tension terminal comprises a wire pressing column 11, wherein the wire pressing column 11 is approximately in a hollow cylindrical shape and comprises a wire pressing wall 110 and a wire pressing hole 111. The wire is inserted into the crimping hole 11 of the crimping post 11, and the crimping wall 110 is pressed by the crimping tool to be deformed and fixed to the wire.

A conductive sheet 12; the conducting plate 12 is connected to the bottom of the wiring wall 110, and the conducting plate 12 is parallel to the central axis of the wiring hole 111 and is located below the central axis of the wiring hole 111. The lower side and the upper side of the present embodiment are described as the state when the tensile terminal is actually connected to the PCB. Wherein the PCB is positioned at the lower part.

When the switching tensile terminal of the embodiment is connected with a PCB, the conductive sheet 12 is closely attached to the PCB.

The conductive plate 12 is also formed with a positioning hole 13 at its distal end.

An interposer 14; the interposer is integrally connected to the conductive sheet, and the interposer 14 is substantially L-shaped and located above the conductive sheet 12. A through stretching nut hole 140 is formed downwards on the adapter sheet 14; the pull nut bore 140 has threads 150 therein.

Referring to fig. 3, the switching tensile terminal of the present invention is developed for introducing and applying a large current to a PCB board end, and can introduce a large current to the PCB board in a simple manner. This tensile switching terminal of heavy current adopts tensile structure, very big having satisfied the PCB board and having required the terminal small volume to the heavy current introduction, the requirement of low temperature rise. The locating hole of this tensile terminal can fix a position and prevent rocking, and the wiring hole makes things convenient for the linking of electrically conductive lead wire very much. The stretching nut hole on the adapter plate is in locking connection with the PCB through a screw, so that the contact performance of the PCB can be well guaranteed.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A switching tensile terminal for leading the large current of a conductive lead wire into a PCB is characterized in that the switching tensile terminal is composed of a wire pressing column, a conductive sheet and a switching sheet; the wire pressing column is approximately in a hollow cylindrical shape and comprises a wire pressing wall and a through wire pressing hole; one end of the conducting plate is connected with the bottom of the wire pressing wall, and the conducting plate is parallel to the central axis of the wire pressing hole and is positioned below the central axis of the wire connecting hole; the adapter sheet is connected to the other end of the conducting sheet, a through stretching nut hole is formed downwards in the adapter sheet, and threads are formed in the stretching nut hole.

2. The transition tension terminal for conducting a high current of a conductive lead to a PCB board as claimed in claim 1, wherein: the conducting plate is further provided with a positioning hole, and the positioning hole is located between the conducting plate and the adapter plate.

3. The transition tension terminal for conducting a high current of a conductive lead to a PCB board as claimed in claim 1, wherein: the conducting strip is contacted with the PCB, and a screw is screwed into the stretching nut hole to lock the switching stretching terminal.

4. The transition tension terminal for conducting a high current of a conductive lead to a PCB board as claimed in claim 1, wherein: the adapter plate is approximately L-shaped.