CN211629308U

CN211629308U - Positionable large-current switching insert terminal

Info

Publication number: CN211629308U
Application number: CN202020504211.XU
Authority: CN
Inventors: 张智远
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2020-10-02
Anticipated expiration: 2030-04-09

Abstract

The utility model discloses a locatable heavy current switching insert terminal, which comprises a conductive terminal and a fastening insert; the conductive terminal consists of a wiring part, a conductive sheet, a positioning hole and a switching sheet; the fastening insert consists of a fixing lug and a nut hole; the fastening insert is connected with the conductive terminal through an embedded structure. The utility model provides a wiring hole is arranged on the conductive terminal part of the positionable heavy current switching insert terminal, and the terminal can be linked with a wire through the wiring hole; the conductive terminal is provided with a positioning hole for fixing with the metal plate and the mounting shell; and then the high-current adapter is fixed on the PCB by fastening the insert with a screw, so that the high-current on the end of the PCB is stably led in and connected. Compared with the prior art, the utility model has the advantages of small volume, simple structure, large torsion, no loosening, long service life, wide application range and the like.

Description

Positionable large-current switching insert terminal

Technical Field

The utility model relates to a switching screw terminal, concretely relates to but locate mode heavy current switching terminal of inserting.

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 the switching that welding socket can introduce the PCB board with the heavy current and inlay terminal. The socket solves the potential safety hazard problems of open circuit, insufficient solder, short circuit, easy loosening, no shock resistance and the like in the existing PCB welding board socket connection.

The utility model aims at realizing through the following technical scheme, a but positioning type heavy current switching terminal of inserting, including conductive terminal and fastening insert, conductive terminal includes wiring portion, conducting strip, locating hole, switching piece, wiring portion is roughly hollow cylinder form, including wiring wall and wiring hole, the conducting strip is connected with wiring wall bottom, the conducting strip is parallel with wiring hole axis and is located wiring hole axis below; the positioning hole is arranged on the conductive sheet; the adapter plate is connected with the conducting plate and is distributed in an L shape with the conducting plate; the adapter plate comprises an adapter flat plate and adapter side plates extending downwards from two side edges of the adapter flat plate; a screw lead-in hole is formed on the switching flat plate, and a positioning lug groove is formed on the switching side plate;

fixing lugs are convexly arranged on two side edges of the fastening insert and can be embedded into positioning lug grooves of the switching side plates; the center of the fastening insert is provided with a nut hole, and the nut hole and the screw lead-in hole are coaxially distributed and are communicated up and down.

Furthermore, the surfaces of two side edges of the fixed insert are also provided with positioning grains, and the surface of the inner side of the switching side plate is provided with fixing grains which can be clamped with the positioning grains.

The utility model provides a positionable heavy current switching insert terminal, which realizes the linkage of an insert and a conductive terminal through the embedding of a fixing lug and a positioning lug groove; and then the high-current adapter plate is connected with the PCB through the fastening of the screw and the insert nut hole. Therefore, the large current in the conductive lead is led into the PCB, 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, no loosening, large torque, wide application range and the like.

Drawings

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

fig. 2 is a schematic view of another perspective three-dimensional structure according to a preferred embodiment of the present invention;

FIG. 3 is a perspective view of a fastening insert;

fig. 4 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 a front view and a back view of a positionable high-current switching insert terminal according to the present invention. The utility model provides a but locate mode heavy current switching terminal of inserting for the location is introduced to the PCB line terminal, and it includes conductive terminal 1 and the fixed 2 of inserting.

The conductive terminal 1 comprises a wiring part 11, a conductive sheet 12, a positioning hole 13 and an adapter sheet 14; the wire connecting portion has a substantially hollow cylindrical shape and includes a wire connecting wall 110 and a wire connecting hole 111. 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.

And the positioning hole 13 is formed between the conducting plate 12 and the adapter plate 14, and the positioning hole 13 is positioned between the conducting plate 12 and the adapter plate 14.

And the adapter plates 14 are connected with the conducting plates 12 and distributed in an L shape with the conducting plates 12. The positioning hole 13 is located on the side of the conducting plate 12 close to the interposer 14.

The adaptor sheet 14 includes an adaptor plate and adaptor side plates 141 extending downward from both side edges of the adaptor plate. The adaptor plate has a screw introduction hole 140 formed therein. The adapter side plate 142 is formed with a positioning lug groove 142.

The fixed insert 2 is positioned in an open accommodating space formed by the adapter flat plate and the adapter side plate. .

The fixing lugs 20 are convexly arranged on two side edges of the fixing insert 2, and the fixing lugs 20 can be inserted into the positioning lug grooves 142 of the switching side plates 142. The fixing insert 2 is also formed with positioning grains 21 on the two side surfaces, and the inner side surface of the adapting side plate 142 is formed with fixing grains which can be engaged with the positioning grains 21.

The center of the fixed insert 2 is provided with a nut hole 22, and the nut hole 22 and the screw lead-in hole 140 of the adapter sheet are coaxially distributed and are vertically communicated.

Referring to fig. 4, the positionable large current adapting insert terminal of the present invention is developed for introducing and applying large current to the PCB board end, and can introduce large current into the PCB board in a simpler manner. The conductive terminal 1 adopts a stamping structure, and the fixed insert 2 is embedded and matched, so that the requirements of a PCB (printed circuit board) on small size and low temperature rise of the terminal for introducing large current are greatly met. The positioning hole of the conductive terminal 1 can be positioned to prevent shaking, and the wiring hole is convenient for the connection of the conductive lead. Through the screw and the fixed insert locking link, the adapter plate can be well fixed on the PCB, and the contact performance of the adapter plate is 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. The utility model provides a but locate mode heavy current switching terminal of inserting which characterized in that: the conductive terminal comprises a conductive terminal and a fastening insert, wherein the conductive terminal comprises a wiring part, a conductive sheet, a positioning hole and an adapter sheet, the wiring part is roughly in a hollow cylinder shape and comprises a wiring wall and a wiring hole, the conductive sheet is connected with the bottom of the wiring wall, and the conductive sheet is parallel to the central axis of the wiring hole and is positioned below the central axis of the wiring hole; the positioning hole is arranged on the conductive sheet; the adapter plate is connected with the conducting plate and is distributed in an L shape with the conducting plate; the adapter plate comprises an adapter flat plate and adapter side plates extending downwards from two side edges of the adapter flat plate; a screw lead-in hole is formed on the switching flat plate, and a positioning lug groove is formed on the switching side plate;

2. The positionable high current transfer insert terminal of claim 1, wherein: the fastening insert is characterized in that positioning grains are formed on the surfaces of two side edges of the fastening insert, and fixing grains which can be clamped with the positioning grains are formed on the surface of the inner side of the switching side plate.