CN212542761U

CN212542761U - DC plug-in connection terminal

Info

Publication number: CN212542761U
Application number: CN202021651908.6U
Authority: CN
Inventors: 羊红军
Original assignee: Shenzhen Shenchuan Technology Co ltd
Current assignee: Shenzhen Shenchuan Technology Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-02-12
Anticipated expiration: 2030-08-10

Abstract

The utility model relates to a connecting terminal technical field, in particular to DC grafting connecting terminal, in left spread groove and right spread groove can be inserted respectively at the both ends of aerial butt joint portion, the grafting surface of aerial butt joint portion is provided with outer splayed face, splayed face in the left side spread groove is inside to be provided with, splayed face in the right side spread groove is inside to be provided with, outer splayed face respectively with splayed face in the left side, splayed face phase-match in the right side, the cross opening has been seted up along the axis direction to first left copper post, first right copper post. Compared with the prior art, the utility model discloses a DC grafting connecting terminal joins conversely can not insert, can effectively prevent reverse the inserting, avoids causing the circular telegram short circuit problem, has reliable connection stability.

Description

DC plug-in connection terminal

[ technical field ] A method for producing a semiconductor device

The utility model relates to a connecting terminal technical field, in particular to DC grafting connecting terminal.

[ background of the invention ]

When an electrical plug connector commonly used in the prior art is used for connecting a circuit, the circuit is often broken due to the fact that the electrical plug connector cannot be accurately positioned and is easily subjected to repeated plugging and unplugging after being welded, the situation that the butt-joint conductive contact of a male connector and a female connector is poor due to insufficient friction clamping force exists, and the problem that short circuit is caused due to the fact that reverse connection cannot be prevented exists.

[ Utility model ] content

In order to overcome the above problems, the utility model provides a can effectively solve the DC grafting connecting terminal of above-mentioned problem.

The utility model provides a technical scheme who above-mentioned technical problem provided is: the DC plug-in connecting terminal comprises a left connecting terminal, an air butt joint part and a right connecting terminal, wherein a left connecting groove is formed in one end of the left connecting terminal, a right connecting groove is formed in one end of the right connecting terminal, and two ends of the air butt joint part can be respectively inserted into the left connecting groove and the right connecting groove; the splicing surface of the air butt joint part is provided with an outer splayed surface, a left inner splayed surface is arranged inside the left connecting groove, a right inner splayed surface is arranged inside the right connecting groove, and the outer splayed surface is respectively matched with the left inner splayed surface and the right inner splayed surface; two first left copper columns are arranged in the left connecting groove, two first right copper columns are arranged in the right connecting groove, two copper pipes are arranged in the butt joint part in the air, and the two first left copper columns and the two first right copper columns are respectively inserted into the two copper pipes from two sides.

Preferably, the outer diameters of the first left copper column and the first right copper column are larger than the inner diameter of the copper pipe.

Preferably, a cross opening is opened along the axis direction in first left copper post, first right copper post.

Preferably, the one end of left side connecting terminal is provided with the left copper post of two L shape second, and the one end of the left copper post of second is connected with first left copper post electricity inside left connecting terminal, and the other end soldering tin of the left copper post of second is connected in the PCB board.

Preferably, be provided with left copper post step on the left copper post of second, left copper post inserts left copper post step and PCB board plane parallel and level behind the PCB board for the left copper post of second.

Preferably, the one end of right connecting terminal is provided with the right copper post of two L shape second, and the one end of the right copper post of second is connected with first right copper post electricity inside the right connecting terminal, and the other end soldering tin of the right copper post of second is connected in the PCB board.

Preferably, be provided with right copper post step on the second right copper post, right copper post step and PCB board plane parallel and level behind the second right copper post inserted the PCB board.

Preferably, still be provided with a left terminal plastic cylinder on the left connecting terminal, the direction that sets up of left terminal plastic cylinder is the same with the direction that sets up of two L shape second left copper posts, and the terminal surface of left terminal plastic cylinder, two L shape second left copper posts forms triangle-shaped location structure.

Preferably, the right connecting terminal is further provided with two right terminal plastic cylinders, the arrangement direction of the right terminal plastic cylinders is the same as that of the two right L-shaped second copper cylinders, and the end faces of the two right terminal plastic cylinders and the two right L-shaped second copper cylinders form a quadrilateral positioning structure.

Preferably, the length of the air interfacing part is less than the sum of the lengths of the left and right connecting grooves.

Compared with the prior art, the outer splayed surface of the DC plug-in connecting terminal of the utility model is respectively matched with the left inner splayed surface and the right inner splayed surface, and the reverse connection can not be inserted, so that the reverse plug-in can be effectively prevented, the short circuit problem of the power-on can be avoided, and the operation is simple and convenient; the cross opening has been seted up along the axis direction to first left copper post, first right copper post, and the cross opening can make first left copper post, first right copper post insert the copper pipe more smoothly to insert and produce bigger frictional force to the copper pipe inner wall behind the copper pipe at first left copper post, first right copper post, do benefit to first left copper post, first right copper post and copper pipe more stable connection, have reliable connection stability.

[ description of the drawings ]

Fig. 1 is a first view structural diagram of the DC socket connection terminal of the present invention;

fig. 2 is a second view structural diagram of the DC socket connection terminal of the present invention;

fig. 3 is a structural view of an air butt joint part of the DC plug-in connection terminal of the present invention;

fig. 4 is a left connection terminal structure view of the DC socket connection terminal of the present invention;

fig. 5 is the structure diagram of the DC socket connector of the present invention connected to a PCB.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It should be noted that all directional indications (such as up, down, left, right, front, and back … …) in the embodiments of the present invention are limited to relative positions on a given view, not absolute positions.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Please refer to fig. 1 to 5, the DC socket connection terminal of the present invention includes a left connection terminal 10, an air connection part 20, and a right connection terminal 30, wherein a left connection groove 11 is disposed at one end of the left connection terminal 10, a right connection groove 31 is disposed at one end of the right connection terminal 30, two ends of the air connection part 20 can be inserted into the left connection groove 11 and the right connection groove 31 respectively, so as to electrically connect the left connection terminal 10 and the right connection terminal 30. The plug surface of aerial butt joint portion 20 is provided with outer splayed surface 21, splayed surface 13 in the left side is provided with inside the left connecting groove 11, splayed surface 33 in the right connecting groove 31 is provided with inside the right, outer splayed surface 21 respectively with splayed surface 13 in the left side, splayed surface 33 phase-match in the right side, the reverse connection can not insert, can effectively prevent reverse insertion, avoids causing the circular telegram short circuit problem, and the operation is simple and easy convenient. Be provided with two first left copper posts 12 in the left side spread groove 11, be provided with two first right copper posts in the right side spread groove 31, the inside two copper pipes 22 that are provided with of aerial butt joint portion 20, two first left copper posts 12, two first right copper posts insert two copper pipes 22 respectively from both sides in, realize that left connecting terminal 10 and right connecting terminal 30 electricity are led to.

The outer diameters of the first left copper column 12 and the first right copper column are slightly larger than the inner diameter of the copper pipe 22, so that interference fit clamping is formed after the first left copper column 12 and the first right copper column are inserted into the copper pipe 22, and reliable conductive contact is guaranteed. First left copper post 12, first right copper post have seted up cross opening 121 along the axis direction, and cross opening 121 can make first left copper post 12, first right copper post insert copper pipe 22 more smoothly to insert copper pipe 22 after first left copper post 12, first right copper post insert copper pipe 22 and produce bigger frictional force to copper pipe 22 inner wall, do benefit to first left copper post 12, first right copper post and copper pipe 22 more stable connection.

The other end of left side connecting terminal 10 is provided with two L shape second left copper posts 14, and the one end of second left copper post 14 is connected with first left copper post 12 electricity inside left connecting terminal 10, and the other end soldering tin of second left copper post 14 is connected in PCB board 40. Be provided with left copper post step 141 on the left copper post 14 of second, left copper post 14 of second inserts behind the PCB board 40 left copper post step 141 just in time with PCB board 40 plane parallel and level, forms the accurate location of soldering tin.

The other end of right connecting terminal 30 is provided with two L shape second right copper posts 34, and the one end of second right copper post 34 is connected with first right copper post electricity inside right connecting terminal 30, and the other end soldering tin of second right copper post 34 is connected in PCB board 40. And a right copper column step 341 is arranged on the second right copper column 34, and the right copper column step 341 is just flush with the plane of the PCB 40 after the second right copper column 34 is inserted into the PCB 40, so that precise soldering tin positioning is formed.

Still be provided with a left terminal plastic cylinder 15 on the left side connecting terminal 10, the left terminal plastic cylinder 15 set up the direction the same with the left copper post 14 of two L shape second, and the terminal surface of left terminal plastic cylinder 15, the left copper post 14 of two L shape second forms triangle-shaped location structure, does benefit to the location and inserts PCB board 40. Still be provided with two right-hand member plastic cylinders 35 on the right side connecting terminal 30, the direction that sets up of right-hand member plastic cylinder 35 is the same with the direction that sets up of two L shape second right copper posts 34, and the terminal surface of two right-hand member plastic cylinders 35, two L shape second right copper posts 34 forms quadrangle location structure, does benefit to the location and inserts PCB board 40. Since the triangular positioning structure and the quadrangular positioning structure are provided, even if the left connection terminal 10 and the right connection terminal 30 have very similar appearances, the production operator does not have a problem of reversing the terminal positions when the card is inserted into the PCB 40 because the card cannot be inserted at all.

The length of the air butt joint part 20 is less than the sum of the lengths of the left connecting groove 11 and the right connecting groove 31, and no gap is formed in butt joint of the three parts, so that seamless butt joint is formed. When the plurality of PCB boards 40 need to be communicated, the left connecting terminal 10 and the right connecting terminal 30 on different PCB boards 40 are seamlessly spliced and communicated through the air butt joint part 20, the operation is convenient and fast, errors are not easy to occur, and the connection stability after splicing is guaranteed.

Compared with the prior art, the outer splayed surface 21 of the DC plug-in connecting terminal of the utility model is respectively matched with the left inner splayed surface 13 and the right inner splayed surface 33, the reverse connection can not be inserted, the reverse plug can be effectively prevented, the short circuit problem of the power-on can be avoided, and the operation is simple and convenient; cross opening 121 has been seted up along the axis direction to first left copper post 12, first right copper post, and cross opening 121 can make first left copper post 12, first right copper post insert copper pipe 22 more smoothly to insert copper pipe 22 back at first left copper post 12, first right copper post and produce bigger frictional force to copper pipe 22 inner wall, do benefit to first left copper post 12, first right copper post and copper pipe 22 more stable connection.

The above description is only for the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications made within the spirit of the present invention, equivalent replacements and improvements should be included in the scope of the present invention.

Claims

The DC plug-in connection terminal is characterized by comprising a left connection terminal, an air butt joint part and a right connection terminal, wherein one end of the left connection terminal is provided with a left connection groove, one end of the right connection terminal is provided with a right connection groove, and two ends of the air butt joint part can be respectively inserted into the left connection groove and the right connection groove;

the splicing surface of the air butt joint part is provided with an outer splayed surface, a left inner splayed surface is arranged inside the left connecting groove, a right inner splayed surface is arranged inside the right connecting groove, and the outer splayed surface is respectively matched with the left inner splayed surface and the right inner splayed surface;

two first left copper columns are arranged in the left connecting groove, two first right copper columns are arranged in the right connecting groove, two copper pipes are arranged in the butt joint part in the air, and the two first left copper columns and the two first right copper columns are respectively inserted into the two copper pipes from two sides.
2. The DC jack connection terminal of claim 1, wherein the first left copper post and the first right copper post have an outer diameter greater than an inner diameter of the copper tube.
3. The DC jack connection terminal of claim 1, wherein the first left copper post and the first right copper post have a cross-shaped opening along the central axis.
4. The DC jack connection terminal of claim 1, wherein one end of the left connection terminal is provided with two L-shaped second left copper pillars, one end of the second left copper pillar is electrically connected to the first left copper pillar inside the left connection terminal, and the other end of the second left copper pillar is solder-connected to the PCB board.
5. The DC jack connection terminal of claim 4, wherein the second left copper post has a left copper post step disposed thereon, and wherein the left copper post step is flush with a plane of the PCB after the second left copper post is inserted into the PCB.
6. The DC jack connection terminal of claim 1, wherein one end of the right connection terminal is provided with two L-shaped second right copper pillars, one end of the second right copper pillar is electrically connected to the first right copper pillar inside the right connection terminal, and the other end of the second right copper pillar is solder-connected to the PCB board.
7. The DC jack connection terminal of claim 6, wherein the second right copper post has a right copper post step disposed thereon, and wherein the right copper post step is flush with a plane of the PCB after the second right copper post is inserted into the PCB.
8. The DC jack connection terminal of claim 4, wherein the left connection terminal further comprises a left terminal plastic cylinder, the left terminal plastic cylinder is disposed in the same direction as the two L-shaped second left copper cylinders, and the end surfaces of the left terminal plastic cylinder and the two L-shaped second left copper cylinders form a triangular positioning structure.
9. The DC socket connection terminal according to claim 6, wherein two right terminal plastic cylinders are further provided on the right connection terminal, the right terminal plastic cylinders are arranged in the same direction as the two L-shaped second right copper cylinders, and end surfaces of the two right terminal plastic cylinders and the two L-shaped second right copper cylinders form a quadrilateral positioning structure.
10. The DC jack connection terminal of claim 1, wherein the length of the aerial interface portion is less than the sum of the lengths of the left and right connection slots.