CN215119288U

CN215119288U - Electrical connector

Info

Publication number: CN215119288U
Application number: CN202120620856.4U
Authority: CN
Inventors: 朱丹华; 吴祝平
Original assignee: Drapho Electronics Technology Co ltd
Current assignee: Drapho Electronics Technology Co ltd
Priority date: 2021-03-27
Filing date: 2021-03-27
Publication date: 2021-12-10
Anticipated expiration: 2031-03-27

Abstract

The utility model provides an electric connector, including insulating pedestal, accept in the terminal in insulating pedestal and be fixed in the mounting of insulating pedestal both sides, the mounting is equipped with a main part and the spacing portion that upwards extends from main part, the main part is equipped with the downwardly extending stretch insulating pedestal's bottom, one side of this bottom is equipped with the concave part of an orientation insulating pedestal. Compared with the prior art, the utility model discloses an optimize the structure of mounting, set up a concave part in its one side for solder tin cream can realize climbing the tin along the gap and get into in the concave part, thereby has increaseed the welding area of mounting and circuit board, has reinforceed the welding power/the board power of grabbing of mounting.

Description

Electrical connector

Technical Field

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

Background

The electric connector is an indispensable part in electronic digital products such as computers, mobile phones and the like, and is mainly used for transmitting electric signals of the electric connector, so that stable and reliable signal connection can be established among all parts. The types of electrical connectors are very diverse, and are suitable for different application scenarios and requirements, and there are USB electrical connectors, Board-to-Board (Board-to-Board) electrical connectors, FPC Flexible Printed Circuit (FPC) electrical connectors, card connectors, Wire-to-Board (Wire-to-Board) connectors, and the like, and different electrical connectors can be used to implement different functions. Along with the volume of electronic product is more and more frivolous, its internal space is more and more narrow, this makes the inside spare part overall arrangement of product must very compact, this has proposed higher requirement to electric connector's structural design, to a lot of electric connectors, all need weld to the realization fixed connection on the circuit board, consequently all possess the metal mounting in the electric connector, realize the welded fastening with the circuit board by the metal mounting, and the area of welding of current metal mounting and circuit board is less relatively, the problem that the board power is not enough appears grabbing under the condition of frequent plug easily.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric connector to improve among the prior art welding power between electric connector and the circuit board or grab the not good problem of board power.

In order to solve the technical problem, the utility model adopts the following technical scheme: an electric connector comprises an insulating seat body, terminals contained in the insulating seat body and fixing parts fixed on two sides of the insulating seat body, wherein the fixing parts are provided with a main body part and limiting parts extending upwards from the main body part, the main body part is provided with a bottom extending downwards out of the insulating seat body, and one side of the bottom is provided with a concave part facing the insulating seat body.

Further, the insulating pedestal is equipped with diapire, back wall and a pair of lateral wall, the front end of lateral wall is equipped with an installation department, seted up on the installation department and held the mounting groove of mounting.

Further, the mounting groove is run through downwards the lateral wall, just the bottom of installation department is equipped with a breach, the bottom of main part is located in the breach.

Furthermore, a step part is arranged in the notch, the step part is opposite to the concave part, and a gap is formed between the step part and the concave part so that the solder can climb upwards.

Furthermore, the fixing member is L-shaped, the outer side edge of the main body portion of the fixing member is provided with a convex portion for clamping the insulating base body, and the concave portion is formed on the inner side edge of the main body portion.

Furthermore, the limiting part is positioned right above the convex part and used for being clamped on the groove wall of the mounting groove.

Furthermore, a clamping part and a positioning part arranged adjacent to the clamping part are formed on the inner wall surface of the side wall, the clamping part is in a long strip shape and extends to the positioning part along the front-back direction, and a yielding groove is arranged right below the clamping part.

Further, the mounting portion is adjacent to the retaining portion and is wider than the retaining portion.

Furthermore, an accommodating groove is formed between the positioning part and the rear wall, and the top surface of the positioning part is provided with a guide surface which extends obliquely downwards.

Compared with the prior art, the utility model discloses an optimize the structure of mounting, set up a concave part in its one side for solder tin cream can realize climbing the tin along the gap and get into in the concave part, thereby has increaseed the welding area of mounting and circuit board, has reinforceed the welding power/the board power of grabbing of mounting.

Drawings

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

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

Fig. 3 is a partial enlarged view of the electrical connector of the present invention.

Fig. 4 is a partial enlarged view of another view angle of the electrical connector of the present invention.

Detailed Description

Referring to fig. 1 to 4, the present invention provides an electrical connector 100, which includes an insulating base 10, a terminal 20 housed in the insulating base 10, and a fixing member 30 fixed on two sides of the insulating base 10, wherein the terminal 20 is used for plugging with an electrical connector or a cable at a butt end, and the fixing member 30 is used for fixing the insulating base 10 to a circuit board 200.

As shown in fig. 1, the insulating base 10 has a bottom wall 11, a rear wall 12 and a pair of side walls 13, the bottom wall 11, the rear wall 12 and the side walls 13 are all integrally formed by injection molding, and are integrally connected to each other to form the insulating base 10, and a docking slot 14 is defined between the bottom wall 11, the side walls 13 and the rear wall 12, a slot opening of the docking slot 14 is opened upward, so that a cable connector at a docking end can be inserted into the docking slot 14 from top to bottom, and meanwhile, the docking slot 14 is also provided with a slot opening forward, so as to accommodate and lead out a cable of the cable connector. A clamping part 131 and a positioning part 132 adjacent to the clamping part 131 are formed on the inner wall surface of the side wall 13, the clamping part 131 is in a long strip shape and extends to the positioning part 132 along the front-back direction, a yielding groove 133 is arranged under the clamping part 131, and the cable connector at the butt joint end can be clamped and matched through the matching of the yielding groove 133, so that the clamping part 131 can limit the cable connector to be separated from the butt joint groove 14 in the vertical direction, and in order to make the butt joint more smooth, a guide surface 134 extending downwards in an inclined manner is arranged on the top surface of the clamping part 131. A receiving groove 135 is formed between the positioning portion 132 and the rear wall 12 for matching and positioning with a cable connector at a butt end, and a top surface of the positioning portion 132 is also provided with a guiding surface 134 extending obliquely downward. In addition, the front end of a pair of lateral walls 13 is equipped with an installation department 15 respectively, is used for the installation the mounting 30, installation department 15 with the portion 131 adjacent setting is held to the card, and more widely in the portion 131 is held to the card, wherein, mounting groove 151 has been seted up on the installation department 15, is used for holding the mounting 30, the notch of mounting groove 151 upwards sets up, makes the mounting 30 can top-down install to in the mounting groove 151, just the mounting groove 151 link up downwards the lateral wall 13 to make the bottom of mounting 30 can the downwardly convex stretch out the bottom surface of lateral wall 13, and then with circuit board 200 welded fastening.

The fixing member 30 is L-shaped, and is provided with a main body portion 31 and a limiting portion 32 extending upward from the top of the main body portion 31, a protruding portion 33 for clamping the insulating base 10 is disposed on the outer edge of the main body portion 31, a recessed portion 34 is disposed on the inner edge of the main body portion 31, the bottom of the main body portion 31 is welded and fixed to the circuit board 200, the recessed portion 34 is adjacent to the bottom of the main body portion 31, and a gap 35 is formed between the recessed portion 34 and the insulating base 10 (such as a step portion 153 hereinafter), so that the recessed portion 34 can be closer to a welding position, solder (such as solder paste) during welding can enter the recessed portion 34 along the gap 35, a tin climbing phenomenon occurs upward, and a welding area of the fixing member 30 is increased, and a welding bonding force between the fixing member 30 and the circuit board 200 is improved. The limiting part 32 is located right above the convex part 33 and is used for being clamped on the groove wall of the mounting groove 151 to realize the fixing and limiting of the fixing member 30.

It should be noted that a notch 152 is formed at the bottom of the mounting portion 15, and the notch 152 extends to the side wall 13 and the bottom wall 11 at the same time, so that the bottom of the main body portion 31 is accommodated in the notch 152, and the welding position between the bottom of the main body portion 31 and the circuit board 200 can be clearly observed. Furthermore, a step portion 153 is disposed in the notch 152, the step portion 153 is disposed opposite to the recess 34, and the step portion 153 penetrates the bottom surface of the sidewall 13 downward to face the circuit board 200.

To sum up, electric connector 100 sets up a concave part 34 in its one side through optimizing the structure of mounting 30 for solder tin cream can realize climbing the tin and get into in concave part 34 along the gap, thereby has increaseed mounting 30 and circuit board 200's welding area, has reinforceed mounting 30's welding power/grabbing the board power.

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 insulating pedestal, accepts terminal in insulating pedestal and is fixed in the mounting of insulating pedestal both sides, its characterized in that: the fixing piece is provided with a main body part and a limiting part extending upwards from the main body part, the main body part is provided with a bottom protruding downwards out of the insulating seat body, and one side of the bottom is provided with a concave part facing the insulating seat body.

2. The electrical connector of claim 1, wherein: the insulating pedestal is equipped with diapire, back wall and a pair of lateral wall, the front end of lateral wall is equipped with an installation department, seted up on the installation department and held the mounting groove of mounting.

3. The electrical connector of claim 2, wherein: the mounting groove link up downwards the lateral wall, just the bottom of installation department is equipped with a breach, the bottom of main part is located in the breach.

4. The electrical connector of claim 3, wherein: and a step part is also arranged in the notch, the step part is opposite to the concave part, and a gap is formed between the step part and the concave part so as to allow the solder to climb upwards.

5. The electrical connector of claim 4, wherein: the fixing piece is L-shaped, the outer edge of the main body part of the fixing piece is provided with a convex part for clamping the insulating seat body, and the concave part is formed on the inner edge of the main body part.

6. The electrical connector of claim 5, wherein: the limiting part is positioned right above the convex part and used for being clamped on the groove wall of the mounting groove.

7. The electrical connector of claim 6, wherein: the positioning device comprises a side wall and a clamping part, wherein the inner wall surface of the side wall is provided with a clamping part and a positioning part arranged adjacent to the clamping part, the clamping part is in a long strip shape and extends to the positioning part along the front-back direction, and a yielding groove is arranged right below the clamping part.

8. The electrical connector of claim 7, wherein: the installation department with the portion of holding is adjacent to be set up, and more widely in the portion of holding is held.

9. The electrical connector of claim 8, wherein: an accommodating groove is formed between the positioning part and the rear wall, and the top surface of the positioning part is provided with a guide surface which extends obliquely downwards.