TWM491279U - Electrical connector - Google Patents

Description

Electrical connector

This creation relates to the field of electrical connectors, and more particularly to an electrical connector mounted on a circuit board.

The electrical connector is a precision component and is usually used for electrical connection with a pair of connector connectors for signal transmission. The electrical connector is widely used in the electronic field, such as: the computer has a wide variety of printed circuit boards. Electrical connectors, such as USB connectors, D-Sub connectors, RJ-45 connectors, and the like. Generally, the electrical connector includes an insulative housing and a conductive terminal held in the insulative housing. The insulative housing is generally provided with a terminal slot for holding the conductive terminal, and most of the electrical connectors need to pass through the other mating end. The signal transmission can only be realized after the connector is docked. Since the electrical connector itself is small in size and made of plastic, it is easy to damage the insulating body due to unstable force during the docking and insertion process. Therefore, it should be minimized. Damage to the insulating body during the docking process. At present, in most docking processes, in order to prevent damage caused by mis-insertion, a foolproof structure is usually provided on the electrical connector, and it is more common to set the docking frame to an asymmetrical form, thereby Docking can only be docked according to the predetermined docking method. Otherwise, the docking insertion will not be successful. This greatly reduces the damage caused by mis-insertion. However, it also increases the trouble of the docking process. The operator often needs to see clearly before docking smoothly. When an error is found, it needs to be adjusted before the docking insertion, so that the docking process is not smooth enough.

Therefore, it is indeed necessary to provide a new electrical connector to solve the above technical problems.

The purpose of this creation is to provide an electrical connector that improves the smoothness of the docking process and improves the convenience of the docking operation.

In order to solve the above technical problem, the present invention adopts the following technical means: an electrical connector, comprising an insulative housing, a shielding housing that is clamped on the insulative housing, and a plurality of conductive terminals received in the insulative housing, the insulative housing The utility model comprises a base portion and an abutting portion protruding from the base portion, the butt joint portion is provided with a top wall, a bottom wall disposed in parallel with the top wall, and a side wall connecting the top wall and the bottom wall, wherein the top wall and the bottom wall are upper, The lower side is symmetrically disposed, the two side walls are symmetrically arranged left and right; the two sides of the top wall and the bottom wall are provided with inclined faces connecting the side walls, and each of the side walls is provided with a guide protruding from the top wall and the bottom wall unit.

In the above-mentioned electrical connector, a pair of connecting cavities and a mating frame opening at the front end of the mating cavity are formed between the top wall, the bottom wall and the side wall, the mating frame opening is rectangular, and the guiding portion is located at both ends of the mating frame port. .

In the above electrical connector, the base portion is disposed in an elongated shape, and is provided with a connecting portion connected to the mating portion and a fixing portion at both ends of the connecting portion.

In the above electrical connector, the rear side of the connecting portion is provided with an opening and a positioning wall on the upper and lower sides of the opening, and the positioning wall is provided with a plurality of arranged card slots for holding the conductive terminals.

In the above electrical connector, the fixing portion is provided with a fixing hole, and the inner side of the fixing hole is provided with a protruding positioning post.

In the above electrical connector, the top wall surface and the bottom wall surface are each provided with a bump that is in abutment connection with the shielding shell.

In the above electrical connector, the shielding case includes a main body portion covered on the abutting portion and an ear portion on both sides of the main body portion; both sides of the main body portion are provided with a slope surface that cooperates with the inclined surface.

In the above electrical connector, the ear portion has a quadrangular sheet shape, and is bent outwardly from the rear side of the main body portion, and the ear portion is provided with a through hole corresponding to the fixing hole.

Compared with the prior art, the present invention has improved the structure of the insulative housing, so that the mating frame of the butt joint is symmetrically designed, so that the forward and reverse insertion of the mating electrical connector can be supported, and the insertion direction is reduced. The requirement is that the convenience of the insertion can be improved; at the same time, the inclined surface and the guiding portion are provided on both sides of the butt joint to make the docking process smoother.

As shown in the first and second embodiments, the present invention provides an electrical connector 100 including an insulative housing 10, a shielding housing 20 that is retained on the insulative housing 10, and a plurality of housings that are received in the insulative housing 10. Conductive terminal 30. The electrical connector 100 is mounted on the circuit board and is used for docking connection with a pair of electrical connectors to realize transmission of electrical signals.

The insulative housing 10 includes a base portion 11 and an abutting portion 12 projecting forward from the base portion 11.

The base portion 11 is disposed in an elongated shape, and is provided with a connecting portion 111 connected to the mating portion 12 and a fixing portion 112 at both ends of the connecting portion 111. The rear side of the connecting portion 111 is provided with an opening 113 and is located above and below the opening 113. The positioning wall 114 is disposed on the two sides, and the opening 113 is used for inserting the conductive terminal 30 into the insulative housing 10 from the rear. The positioning wall 114 is provided with a plurality of card slots 115 arranged to extend the conductive terminal 30. The portion of the insulative housing 10 is removed to achieve a fixed positioning of the conductive terminals 30, preventing the tail portions of the conductive terminals 30 from being displaced when soldered to the circuit board, resulting in inaccurate soldering positions. The fixing portions 112 are respectively disposed at two ends of the base portion 11 and are symmetrically disposed with respect to the base portion 11. Each of the fixing portions 112 is provided with a fixing hole 116 for receiving a fixing member (such as a bolt) to connect the electrical connector. The fixing holes 116 are fixed on the circuit board, and each of the fixing holes 116 has a circular shape. The inner side of the fixing hole 116 is provided with a protruding positioning post 117 for aligning with a positioning hole (not shown) on the circuit board. .

The abutting portion 12 is provided with a top wall 121, a bottom wall 122 disposed in parallel with the top wall 121, and a side wall 123 connecting the top wall 121 and the bottom wall 122. The top wall 121, the bottom wall 122 and the side wall 123 form a gap therebetween. The elongated docking cavity 124 and the docking frame opening 125 at the front end of the docking cavity 124 are for docking with a pair of electrical connectors, and the docking frame opening 125 is rectangular. A surface of the top wall 121 and the surface of the bottom wall 122 are respectively provided with a protrusion 126 for engaging with the shielding shell 20, and both sides of the top wall 121 and the bottom wall 122 are provided with a slope connecting the side walls 123. 127. The side wall 123 is provided with a forwardly protruding guiding portion 128. The guiding portion 128 is located at both ends of the mating cavity 124 and protrudes from the top wall 121 and the bottom wall 122.

The shielding case 20 is a metal piece which is bent and integrally stamped and covered on the insulating body 10. The shielding housing 20 includes a main body portion 21 that is wrapped on the abutting portion 12 and an ear portion 22 that is located at two sides of the main body portion 21 . The main body portion 21 has a closed loop shape and is wrapped around the mating portion 12 . The top wall 121, the bottom wall 122 and the side wall 123 of the abutting portion 12 are covered one by one, and the top surface and the bottom surface of the main body portion 21 are respectively provided with a first fastening hole 23 that is buckled with the protrusion 126, and the main body portion A slope 24 matching the slope 127 and a second fastening hole 25 corresponding to the sidewall 123 of the insulating body 10 are disposed on both sides of the 21 . The ear portion 22 has a square shape and is bent outwardly from the tail portion of the main body portion 21 for mounting to the fixing portion 112 of the insulative housing 10, and the ear portion 22 is provided with the fixing portion. The hole 116 corresponds to the through hole 26 provided.

The conductive terminal 30 is received in the mating cavity 124 and includes a plurality of first terminals 31 and second terminals 32 on opposite sides of the first terminal 31. The first terminals 31 are divided into upper and lower rows and are respectively fixed on the top wall 121 and the bottom wall 122, and each of the first terminals 31 is provided with a horizontally disposed fixing arm 38 and bent from the end of the fixed arm 38. The extending portion of the leg portion 33 is provided with a resilient contact arm 34. The leg portion 33 is retained in the slot 115 of the positioning wall 114 of the insulative housing 10 for fixed positioning. The fixing arm 38 is fixed. It is L-shaped with the leg portion 33. The second terminals 32 are power terminals, and are divided into two pairs and disposed on two sides of the first terminals 31. Each of the second terminals 32 is provided with a horizontal fixing arm 35 and an elastic body at the front end of the horizontal fixing arm 35. The contact arm 36 and the horizontal mounting leg 37 at the end of the horizontal fixing arm 35 are in a line shape with the horizontal fixing arm 35.

In summary, the electrical connector of the present embodiment is configured to have a symmetrical structure through the mating frame 125 of the abutting portion 12 of the insulative housing 10, that is, the top wall 121 of the abutting portion 12 is vertically symmetrically disposed with the bottom wall 122, and the two sidewalls 123 are provided. The left and right symmetrical arrangement can support the insertion of the butt electrical connector in the forward and reverse directions, reduce the requirement of the insertion direction, and improve the convenience of insertion; at the same time, the two sides of the abutting portion 12 and the shielding housing 20 are provided. The inclined surface 127 and the slope surface 24 make the docking process smoother.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any person skilled in the art can use the method disclosed above without departing from the scope of the patent application. Many possible changes and modifications to the technical means of this creation are within the scope of the scope of the patent application.

10‧‧‧Insulated body
11‧‧‧ base
12‧‧‧Docking Department
20‧‧‧Shaded housing
21‧‧‧ Main body
22‧‧‧ Ears
23‧‧‧First snap hole
24‧‧‧ slope
25‧‧‧Second snap hole
26‧‧‧through hole
30‧‧‧Electrical terminals
31‧‧‧First terminal
32‧‧‧second terminal
33‧‧‧ legs
34‧‧‧Flexible contact arm
35‧‧‧ horizontal fixed arm
36‧‧‧Flexible contact arm
37‧‧‧Installation feet
38‧‧‧Fixed Arm
100‧‧‧Electrical connector
111‧‧‧Connecting Department
112‧‧‧Fixed Department
113‧‧‧ openings
114‧‧‧ Positioning wall
115‧‧‧ card slot
116‧‧‧Fixed holes
117‧‧‧Positioning column
121‧‧‧ top wall
122‧‧‧ bottom wall
123‧‧‧ side wall
124‧‧‧ docking chamber
125‧‧‧ docking box
126‧‧‧Bumps
127‧‧‧Bevel
128‧‧‧Guide

Fig. 1 is a perspective view of the electrical connector of the present embodiment. Fig. 2 is an exploded view of the electrical connector of the present embodiment after the shield housing is removed.

10‧‧‧Insulated body

11‧‧‧ base

12‧‧‧Docking Department

20‧‧‧Shaded housing

21‧‧‧ Main body

25‧‧‧Second snap hole

30‧‧‧Electrical terminals

31‧‧‧First terminal

32‧‧‧second terminal

33‧‧‧ legs

34‧‧‧Flexible contact arm

35‧‧‧ horizontal fixed arm

36‧‧‧Flexible contact arm

37‧‧‧Installation feet

38‧‧‧Fixed Arm

100‧‧‧Electrical connector

111‧‧‧Connecting Department

112‧‧‧Fixed Department

116‧‧‧Fixed holes

121‧‧‧ top wall

122‧‧‧ bottom wall

123‧‧‧ side wall

124‧‧‧ docking chamber

125‧‧‧ docking box

127‧‧‧Bevel

128‧‧‧Guide

Claims (8)

An electrical connector includes an insulative housing, a shielding housing that is retained on the insulative housing, and a plurality of conductive terminals received in the insulative housing. The insulative housing includes a base portion and an abutting portion projecting from the base portion. The docking portion is provided with a top wall, a bottom wall disposed parallel to the top wall, and a side wall connecting the top wall and the bottom wall, wherein the top wall and the bottom wall are symmetrically arranged up and down, and the two side walls are symmetrically arranged left and right. Both sides of the top wall and the bottom wall are provided with inclined faces connecting the side walls, and each of the side walls is provided with a guiding portion protruding from the top wall and the bottom wall. The electrical connector of claim 1, wherein the top wall, the bottom wall and the side wall form a pair of connecting cavities and a mating frame opening at the front end of the mating cavity, the docking frame opening is rectangular, and the guiding portion is located Both ends of the docking box. The electrical connector of claim 2, wherein the base portion is disposed in an elongated shape, and is provided with a connecting portion connected to the mating portion and a fixing portion at both ends of the connecting portion. The electrical connector of claim 3, wherein the rear side of the connecting portion is provided with an opening and a positioning wall on the upper and lower sides of the opening, and the positioning wall is provided with a plurality of arranged card slots for the card Hold the conductive terminal. The electrical connector of claim 4, wherein the fixing portion is provided with a fixing hole, and the inner side of the fixing hole is provided with a protruding positioning post. The electrical connector of claim 5, wherein the top wall surface and the bottom wall surface are each provided with a bump that is coupled to the shielding shell. The electrical connector of claim 6, wherein the shielding housing comprises a main body portion covered on the abutting portion and an ear portion on both sides of the main body portion; and two sides of the main body portion are provided to cooperate with the inclined surface Slope. The electrical connector of claim 7, wherein the ear portion has a quadrangular sheet shape, and is bent outwardly from the rear side of the main body portion, and the ear portion is provided corresponding to the fixing hole. Set the through hole.