CN210607896U

CN210607896U - Electrical connector

Info

Publication number: CN210607896U
Application number: CN201921789283.7U
Authority: CN
Inventors: 刘飞; 吴永发; 姚宏江; 方志宏
Original assignee: Drapho Electronics Technology Co ltd
Current assignee: Drapho Electronics Technology Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-05-22
Anticipated expiration: 2029-10-23

Abstract

The utility model provides an electric connector, include insulator, install in insulator terminal and cover in the casing on insulator surface, insulator be equipped with the stopper all around, the casing be equipped with around insulator main part all around and the installation department that outwards extends from main part, the stopper supports from bottom to top the base of main part. Compared with the prior art, the utility model discloses an at insulator surface mounting casing to casing lug weld is on the circuit board, with this can firmly fix insulator on the circuit board, still is equipped with the stopper that supports the casing on the insulator moreover, and it can effectively avoid insulator outwards break away from out the casing along with the withdrawal force, makes insulator firmly restricted by the casing, thereby has guaranteed the reliable connection of terminal and circuit board in the insulator.

Description

Electrical connector

Technical Field

The utility model relates to an electric connection field especially relates to an electric connector.

Background

With the trend of miniaturization and lightness of consumer electronic products such as notebook computers, tablet computers, mobile phones and the like, the requirements on the design and manufacturing process of parts of the consumer electronic products are higher and higher, and as the products are lighter and thinner, the internal space of the consumer electronic products becomes very narrow, so that the requirement that the internal parts of the consumer electronic products are required to adopt a dense layout is met, the volume of each electronic part is smaller and thinner, and the consumer electronic products are also brought with the problems in operation and use. The Board is always with common connector to Board electric connector (Board to Board) for connect two circuit boards, and its setting usually is with surface-mount technology (SMT) welding on the circuit Board, utilizes the welding realization fixed connection on terminal in the electric connector and the circuit Board surface, nevertheless under the great condition of plug power, electric connector's plug process can drive insulator sometimes to lead to the terminal to break away from with being connected of circuit Board, finally lead to contact failure. Therefore, it is a problem to be studied how to ensure stable connection between the electrical connector and the circuit board even when the insertion/extraction force is large.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric connector to improve the too big problem that leads to electric connector and circuit board to break away from the connection of plug power in prior art.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides an electric connector, includes insulator, installs in insulator's terminal and covers in the casing on insulator surface, insulator is equipped with the stopper all around, the casing be equipped with around insulator main part all around and the installation department that extends outward from main part, the stopper supports from bottom to top the base of main part.

Furthermore, the insulating body is rectangular, and the limiting blocks are located at four corners of the insulating body.

Further, the insulating body is provided with a pair of side walls, a pair of end walls and a bottom wall connecting the side walls and the end walls, and the limiting blocks are integrally connected with the side walls and the end walls and located at the connecting positions of the side walls and the end walls.

Furthermore, the limiting blocks protrude outwards from the outer wall surfaces of the side walls and the end walls.

Furthermore, the mounting part of the shell is in a sheet shape, and is provided with a mounting hole which is vertically communicated and is used for being fixedly connected with a circuit board.

Furthermore, a plurality of fixing holes are formed in the bottom wall, and the fixing holes penetrate through the bottom wall in the up-down direction.

Furthermore, the terminal comprises a contact arm, a fixed arm and a mounting arm, wherein the contact arm is mounted on the inner wall surface of the side wall of the insulating body, and the fixed arm is inserted into the fixed hole in the bottom wall of the insulating body.

Further, the mounting arm extends in a direction perpendicular to the surface of the circuit board for insertion into the circuit board.

Further, the size of the mounting arm of some of the terminals is larger than that of the rest of the terminals.

Compared with the prior art, the utility model discloses an at insulator surface mounting casing to casing lug weld is on the circuit board, with this can firmly fix insulator on the circuit board, still is equipped with the stopper that supports the casing on the insulator moreover, and it can effectively avoid insulator outwards break away from out the casing along with the withdrawal force, makes insulator firmly restricted by the casing, thereby has guaranteed the reliable connection of terminal and circuit board in the insulator.

Drawings

Fig. 1 is a perspective view of the electrical connector of the present invention.

Fig. 2 is a bottom view of the electrical connector of the present invention.

Fig. 3 is an exploded view of the electrical connector of the present invention.

Detailed Description

Referring to fig. 1 to 3, the present invention provides an electrical connector, which includes an insulating housing 10, a terminal 20 installed in the insulating housing 10, and a housing 30 covering the surface of the insulating housing 10. The insulating body 10 is rectangular, and is provided with a pair of side walls 11, a pair of end walls 12, and a bottom wall 13 connecting the lower portions of the side walls 11 and the bottom wall 13, the side walls 11, the end walls 12, and the bottom wall 13 together form an insertion cavity 14, the inner wall surface of the side walls 11 is provided with a plurality of terminal grooves for accommodating the terminals 20, and the terminal grooves are communicated with the insertion cavity 14, so that the terminals 20 in the terminal grooves face the insertion cavity 14, and thus, the terminal grooves can be butted with an inserted butting-end electric connector (not shown); the end wall 12 is vertically connected with the side wall 11, a notch 15 is formed in the end wall 12, the notch 15 penetrates through the plugging cavity 14 from outside to inside, and the notch 15 is formed by downwards sinking from the top surface of the end wall 12. The bottom wall 13 is provided with a plurality of fixing holes 16 for inserting and fixing the terminals 20, and the fixing holes 16 penetrate through the bottom wall 13 in the vertical direction.

In addition, insulator 10 still be equipped with lateral wall 11, end wall 12 and diapire 13 integrated into one piece's stopper 17, stopper 17 is located the junction of lateral wall 11 and end wall 12, and the evagination stretches out the outer wall of lateral wall 11 and end wall 12 to form outside convex supporting platform around insulator 10, can supply the installation of casing 30, make the bottom of casing 30 can support on stopper 17.

Casing 30 is the integrative stamping forming of metal material, and it is equipped with main part 31 and the installation department 32 that outwards extends from main part 31 both ends, main part 31 surround in insulator 10's lateral wall 11 and end wall 12 surface, main part 31's bottom is directly arranged in on stopper 17's the upper surface, receive stopper 17's support. The main body 31 is provided with notches 33 corresponding to the notches 15, and the notches 15 of the insulating body 10 correspond to the notches 33 of the housing 30 one by one, so that the guiding and inserting function can be achieved. The mounting portion 32 is extended from the bottom edge of the main body portion 31 to the outside, a mounting hole 34 is formed in the surface of the mounting portion, the mounting portion 32 can be mounted on a circuit board through a screw and the mounting hole 34, and the connection firmness of the shell 30 and the circuit board is improved.

The terminal 20 includes a contact arm 21, a fixing arm 22 and a mounting arm 23, wherein the contact arm 21 is mounted on an inner wall surface of the sidewall 11 of the insulating body 10, the fixing arm 22 is inserted into the fixing hole 16 of the bottom wall 13 of the insulating body 10, and the mounting arm 23 is inserted into the circuit board to achieve a reliable connection with the circuit board. The extending direction of the mounting arm 23 is perpendicular to the surface of the circuit board, and it is worth mentioning that the size of the mounting arm 23A of a part of the terminals 20 is larger than that of the mounting arms 23B of the other terminals, specifically, the mounting arms 23A of the part of the terminals extend outwards out of the side wall 11 of the insulating body 10, and the mounting arms 23B of the other terminals are all located right below the side wall 11 of the insulating body 10.

The utility model discloses an at insulator 10 surface mounting casing 30 to casing 30 lug weld is on the circuit board, with this can firmly fix insulator 10 on the circuit board, still is equipped with the stopper 17 that supports casing 30 on insulator 10 in addition, and it can effectively avoid insulator 10 along with the pull out power outwards breaks away from out casing 30, makes insulator 10 firmly restricted by casing 30, thereby has guaranteed the reliable connection of terminal 20 and circuit board (not shown) in insulator 10.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and those skilled in the art can make many variations and modifications of the technical solution of the present invention without departing from the scope of the technical solution of the present invention.

Claims

1. The utility model provides an electric connector, includes insulator, installs in insulator's terminal and covers in the casing on insulator surface, its characterized in that, insulator is equipped with the stopper all around, the casing be equipped with around insulator main part all around and the installation department that extends from main part outside, the stopper supports from bottom to top the base of main part.

2. The electrical connector of claim 1, wherein: the insulating body is rectangular, and the limiting blocks are located at the four corners of the insulating body.

3. The electrical connector of claim 2, wherein: the insulating body is provided with a pair of side walls, a pair of end walls and a bottom wall for connecting the side walls and the end walls, and the limiting blocks are integrally connected with the side walls and the end walls and are positioned at the connecting positions of the side walls and the end walls.

4. The electrical connector of claim 3, wherein: the limiting blocks protrude outwards to extend out of the outer wall surfaces of the side walls and the end walls.

5. The electrical connector of claim 4, wherein: the installation part of the shell is in a sheet shape, and is provided with an installation hole which is communicated up and down and is used for being fixedly connected with a circuit board.

6. The electrical connector of claim 5, wherein: the bottom wall is provided with a plurality of fixing holes, and the fixing holes penetrate through the bottom wall in the up-down direction.

7. The electrical connector of claim 6, wherein: the terminal comprises a contact arm, a fixed arm and a mounting arm, wherein the contact arm is mounted on the inner wall surface of the side wall of the insulating body, and the fixed arm is inserted into the fixed hole in the bottom wall of the insulating body.

8. The electrical connector of claim 7, wherein: the extending direction of the mounting arm is perpendicular to the surface of the circuit board and is used for being inserted into the circuit board.

9. The electrical connector of claim 8, wherein: the size of the mounting arm of some of the terminals is larger than that of the rest terminals.