CN220914601U - Electric connector - Google Patents

Abstract

The utility model belongs to the technical field of electric signal transmission, and particularly relates to an electric connector, which comprises a shell, an electric plug board, a plurality of first terminals and a plurality of second terminals, wherein the shell is provided with a cavity, so that the shell forms a base and a top cover; the front side of the base is provided with a first clamping groove, the rear side of the top cover is provided with a plurality of second clamping grooves, and the second clamping grooves extend to the inner side of the top cover; a first terminal is arranged in the first clamping groove; a second terminal is clamped in the second clamping groove; the first terminal is provided with a first contact part, the second terminal is provided with a second contact part, and the first terminal and the second terminal are positioned at two sides of a vertical surface, so that the first contact part and the second contact part are staggered in front-back direction; when one end of the electric plug board is inserted into the cavity, the first contact part is elastically abutted to the bottom of the electric plug board, and the second contact part is elastically abutted to the top side of the electric plug board, so that the electric plug board is provided with front and rear stress points, the stress of the electric plug board is balanced, and the problem of poor power connection caused by downward swing of the electric plug board is avoided.

Description

Electric connector

Technical Field

The utility model belongs to the technical field of electric signal transmission, and particularly relates to an electric connector.

Background

Electronic connectors are also commonly referred to as circuit connectors, which bridge two conductors on a circuit so that current or signals can flow from one conductor to the conductor arrangement of the other. An electronic connector is a motor system that provides a separable interface for connecting two sub-electronic systems, simply referred to as a connector, i.e., a bridge between two components that complete an electrical connection between an electrical circuit or electronic machine. The electronic connectors include DIP classes, SMT classes, NGFF, etc.

Chinese patent document publication No. CN203690574U discloses an NGFF connector assembly and its structure, the NGFF connector structure comprising: the NGFF standard socket is provided with an insulating body, the insulating body is provided with a first surface and a second surface which are opposite, the first surface is provided with a plug groove, the second surface is connected with the circuit board correspondingly, so that the NGFF standard socket is arranged on the circuit board, and the notch direction of the plug groove is vertical to the surface of the circuit board. The plug-in slot is provided with a first inner wall and a second inner wall which are opposite, and the NGFF standard socket is provided with a plurality of first terminals arranged along the first inner wall and a plurality of second terminals arranged along the second inner wall. Each first terminal has a first contact portion at one end, each second terminal has a second contact portion at one end, each first contact portion and each second contact portion are formed in the plugging slot and are opposite to each other, each first contact portion has a first V-shaped section bent toward the second contact portion, and each second contact portion has a second V-shaped section bent toward the first contact portion. The circuit board is provided with a plurality of terminal connecting parts, the other end of each first terminal is provided with a first butt joint part, the other end of each second terminal is provided with a second butt joint part, each first butt joint part and each second butt joint part are exposed out of the second surface, two sides of the second surface are provided with a first end edge parallel to and adjacent to the first inner wall and a second end edge parallel to and adjacent to the second inner wall, each first butt joint part is provided with a first L-shaped section bent towards the first end edge, each second butt joint part is provided with a second L-shaped section bent towards the second end edge, and each first L-shaped section and each second L-shaped section are welded corresponding to the terminal connecting parts.

In the electrical connector disclosed in the above patent document, the contact positions of the first terminal and the second terminal are on the same vertical line, when the circuit board is inserted between the first terminal and the second terminal, the circuit board is subjected to the elastic force of the first terminal and the second terminal on the same vertical line, and when the circuit board is clamped by the first terminal and the second terminal, the circuit board swings downwards due to the fact that one end of the circuit board is subjected to gravity or the other end of the circuit board is connected with other components, so that unbalanced stress is caused when the circuit is inserted between the first terminal and the second terminal, and the problem of unbalanced contact is caused.

Disclosure of utility model

The utility model aims to provide an electric connector, which solves the problem that the contact points of the upper terminal and the lower terminal of the existing connector are positioned on the same vertical surface, so that the stress of a circuit board after being plugged into the circuit board is unbalanced.

In order to achieve the above object, an electrical connector provided by the embodiment of the utility model includes a housing, an electrical connection board, a plurality of first terminals and a plurality of second terminals, wherein the housing is provided with a cavity, and the cavity enables the housing to form a base and a top cover; the front side of the base is provided with a plurality of first clamping grooves which penetrate through the top side of the base and extend to the rear side; the rear side of the top cover is provided with a plurality of second clamping grooves which extend to the inner side of the top cover; a first terminal is arranged in each first clamping groove, and the first terminals extend into the cavity; the second clamping grooves are internally provided with second terminals in a clamping way, and the second terminals are arranged in the second terminal cavity; the first terminal is provided with a first contact part, the second terminal is provided with a second contact part, and the first terminal and the second terminal are positioned at two sides of a vertical surface, so that the first contact part and the second contact part are staggered in front-back direction; when one end of the electric plug board is inserted into the cavity, the first contact part is elastically abutted to the bottom of the electric plug board, the second contact part is elastically abutted to the top side of the electric plug board, and due to the fact that the first contact part and the second contact part are dislocated, the electric plug board is provided with front and rear stress points, the first support part forms an upward lifting force, the second contact part forms a downward force, so that the stress of the electric plug board is balanced, and the problem of poor power connection caused by downward swing of the electric plug board is avoided.

Further, the first terminal comprises a first welding leg, one end of the first welding leg extends upwards to form a first connecting part, one side of the first connecting part is provided with a first inserting part, and the first inserting part is inserted into the front side of the base; the upper end of the first connecting part extends to form an elastic contact part which extends into the first clamping groove, and the first contact part is arranged at the free end of the elastic contact part and extends out of the first clamping groove.

Further, the end of the elastic contact portion is bent downward into the first clamping groove.

Further, the second terminal comprises a second welding leg, one end of the second welding leg extends upwards to form a second connecting part, and the upper end of the second connecting part transversely extends to form a second inserting part for being inserted into the top cover; the top side of the second plug-in part is provided with an elastic arm which stretches into the second clamping groove, and the end part of the elastic arm extends downwards to form a second contact part.

Further, the top cap is provided with the inclined plane closer to the one end of cavity oral area, and first contact portion and second contact portion elasticity butt joint electric plugboard makes the electric plugboard form the holding power to the inclined plane perk.

Further, an isolation rib is arranged in the cavity, and divides the cavity into a first cavity and a second cavity; the electric connection plug board is provided with a clearance groove for clearance of the isolation ribs;

an isolation groove is arranged between the first clamping grooves close to the two sides of the isolation rib and the isolation rib, and one side of the isolation groove extends to the side wall of the isolation rib.

Further, when the electric plug board is inserted into the electric connector, the closed side of the clearance groove on the electric plug board is positioned at the outer side of the base, and the two sides of the clearance groove are positioned above the isolation groove.

Further, a positioning rib is further arranged in the second cavity, and a positioning groove is further arranged at the end part of the electric plug board and is matched with the positioning rib in a positioning way.

Further, a groove is formed in one side, close to the isolation rib, of the positioning rib.

Further, two positioning pins and a fixed welding piece are arranged at the bottom of the shell and used for positioning the shell on the circuit board.

The above technical solutions in the electrical connector provided by the embodiments of the present utility model have at least the following technical effects:

This electric connector inserts in the casing at the one end that connects electric plugboard, and the first contact part elastic support who connects electric plugboard's bottom side, the front end that connects electric plugboard forms the holding power of upwarping to make the front end that connects electric plugboard upwarping, and spacing and the effort that forms crimping electric plugboard down by the second contact part of second terminal, when making electric plugboard elastic support on first terminal, can balance the gravity or the holding power of connection that connect electric plugboard other end through the elasticity of second terminal. The electric connection plug board is balanced in stress, the first terminal and the second terminal are ensured to receive the acting force of the electric connection plug board, and the connection stability of the electric connection plug board and the first terminal and the second terminal is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a combined structure diagram of an electrical connector according to an embodiment of the present utility model.

Fig. 2 is a block diagram of an electrical connector according to an embodiment of the present utility model.

Fig. 3 is a block diagram of an NGFF of an electrical connector according to an embodiment of the present utility model.

Fig. 4 is a cross-sectional view of an electrical connector according to an embodiment of the present utility model in a first cavity position.

Fig. 5 is a cross-sectional view of an electrical connector according to an embodiment of the present utility model in a second cavity position.

Fig. 6 is a distribution structure diagram of a first terminal and a second terminal of an electrical connector according to an embodiment of the present utility model.

Fig. 7 is a block diagram of a first terminal of an electrical connector according to an embodiment of the present utility model.

Fig. 8 is a block diagram of a second terminal of the electrical connector according to the embodiment of the present utility model.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to illustrate embodiments of the utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In an embodiment of the present utility model, referring to fig. 1 to 6, an electrical connector 100 is provided, and includes a housing 110, a plurality of first terminals 120, a plurality of second terminals 130, and an electrical plug board 200. A cavity is provided in the housing 110, the cavity allowing the housing 110 to form the base 101 and the top cover 102. The cavity is internally provided with the isolation ribs 113, and the isolation ribs 113 enable the cavity to be clear of the two independent first cavities 111 and the second cavities 112. The front side of the base 101 is provided with a plurality of first card slots 103, and the first card slots 103 penetrate the top side of the base 101 and extend to the rear side. The rear side of the top cover 102 is provided with a plurality of second clamping grooves 104, and the second clamping grooves 104 extend to the inner side of the top cover 102; the first terminals 120 are disposed in each first slot 103, and the first terminals 120 extend into the first cavity 111 or the second cavity 112. The second terminals 130 are disposed in the second slots 104, and the second terminals 130 extend into the first cavity 111 or the second cavity 112. The end of the power connection plug board 200 is provided with a clearance groove 201 for clearance of the spacer ribs 113. The two sides of the base 101 are also provided with the fixed welding pieces 105 and the two positioning pins 116, the positioning pins 116 are used for being positioned in the positioning holes of the positioning plate, the positioning precision of the connector positioned on the circuit board can be improved, after the positioning, the connector is welded on the circuit board through the fixed welding pieces 105, and the connection stability of the connector and the circuit board is improved.

When the electrical connector board 200 is inserted into the connector 100, two members formed by dividing the front end portion of the electrical connector board 200 by the clearance groove 201 are inserted into the first cavity 111 and the second cavity 112, respectively, so as to be electrically connected to the corresponding first terminal 120 and second terminal 130. Since the housing 110 is provided with the first cavity 111 and the second cavity 112 which are independent of each other, and the first terminal 120 and the second terminal 130 are provided in both the first cavity 111 and the second cavity 112; the end of the electric plug board 200 is provided with a clearance groove 201, and the electric plug board 200 is divided into two independent parts by the clearance groove 201; after the power connection board 200 is inserted into the housing 110, two portions of the power connection board 200 divided by the clearance groove 201 are inserted into the first cavity 111 and the second cavity 112, respectively. And the isolation rib 113 is disposed between the first cavity 111 and the second cavity 112, so that the two parts of the electric plug board 200 are isolated from each other and do not affect each other after being inserted into the first cavity 111 and the second cavity 112.

Further, the first terminal 120 is provided with a first contact portion 125, the second terminal 130 is provided with a second contact portion 135, and the first terminal 120 and the second terminal 130 are located at two sides of a vertical plane a, so that the first contact portion 125 and the second contact portion 135 are arranged in a front-back staggered manner. When one end of the electric plug board 200 is inserted into the cavity, the first contact portion 125 elastically abuts against the bottom of the electric plug board 200, the second contact portion 135 elastically abuts against the top side of the electric plug board 200, and due to the front-back dislocation of the first contact portion 125 and the second contact portion 135, the electric plug board 200 has front and back stress points, the first support portion 125 forms an upward lifting force, the second contact portion 135 forms a downward acting force, so that the stress of the electric plug board 200 is balanced, and the problem of poor electric connection caused by downward swinging of the electric plug board 200 is avoided. Specifically, when one end of the electrical connection board 200 is inserted into the housing 110, the first contact portion 125 of the first terminal 120 elastically supports the bottom side of the electrical connection board 200, and the front end of the electrical connection board 200 is formed with a supporting force to be tilted upward, so that the front end of the electrical connection board 200 is tilted upward, and is restrained by the second contact portion 135 of the second terminal 130 and forms a force to press-contact the electrical connection board 200 downward, when the electrical connection board 200 is elastically supported on the first terminal 120, the force of gravity of the other end of the electrical connection board 200 or the force to be connected to other members can be balanced by the elastic force of the second terminal 130. Not only the balance of the stress of the power plug board 200 but also the reception of the acting force of the power plug board 200 by the first terminal 120 and the second terminal 130 is ensured, and the stability of the connection of the power plug board 200 with the first terminal 120 and the second terminal 130 is ensured.

Further, referring to fig. 7, the first terminal 120 includes a first soldering leg 121, one end of the first soldering leg 121 extends upward to form a first connection portion 122, one side of the first connection portion 122 is provided with a first plugging portion 123, and the first plugging portion 123 is plugged into the front side of the base 101. The upper end of the first connecting portion 122 extends to form an elastic contact portion 124, extends into the first clamping groove 103, and the first contact portion 125 is disposed at the free end of the elastic contact portion 124 and extends out of the first clamping groove 103. When the electrical connector 200 is inserted into the housing 110, the conductive portion 125 of the elastic contact portion 124 is conductive to the bottom side of the electrical connector 200.

Further, referring to fig. 4 and 7, the end of the elastic contact portion 124 is bent downward into the first card slot 103. After the electric plug board 200 is inserted into the first cavity 111 and the second cavity 112, the surface of the electric plug board 200 is prevented from being scratched by the end surfaces of the elastic contact portions 124, and the electric plug board 200 is protected.

Further, referring to fig. 8, the second terminal 130 includes a second leg 131, one end of the second leg 131 extends upward to form a second connection portion 132, and an upper end of the second connection portion 132 extends laterally to form a second insertion portion 133 for insertion into the top cover 102. The top side of the second plugging portion 133 is provided with an elastic arm 134, the elastic arm 134 extends into the second clamping groove 104, and the end of the elastic arm 134 extends downwards to form a second contact portion 135. After the electrical plug board 200 is installed in the first cavity 111 or the second cavity 112, the contact at the end of the elastic arm 134 is in contact conduction with the top surface of the electrical plug board 200, so as to realize connection of the electrical plug board 200 and the connector 100.

Further, referring to fig. 4 and 5, an inclined surface 107 is provided at an end of the top cover 102 closer to the cavity mouth, and the first contact portion 125 and the second contact portion 135 elastically contact the electrical board 200, so that the electrical board 200 forms a supporting force tilting toward the inclined surface 107. In this embodiment, the rear end of the electrical connection board 200 is lifted up by the elastic force of the second terminal 130, so that the electrical connection board 200 can be avoided by the inclined surface 107, and the top cover 102 is prevented from interfering with the electrical connection board 200.

Further, referring to fig. 2, an isolation groove 106 is disposed between the first clamping groove 103 and the isolation rib 113 near two sides of the isolation rib 113, and one side of the isolation groove 106 extends to a sidewall of the isolation rib 113. By providing the isolation groove 106, the edge of the electrical connector board 200 can be kept away, and interference caused by the edge of the base 101 can be avoided, so that conduction between the electrical connector board 200 and the first terminal 120 and the second terminal 130 can be prevented.

Further, referring to fig. 1 and 2, when the electrical connector 200 is inserted into the electrical connector 100, the closed side of the void-avoiding groove 201 on the electrical connector 200 is located outside the base 101, and both sides of the void-avoiding groove 201 are located above the isolation groove 106. In this embodiment, when the two parts of the electrical plug board 200 divided by the void-free slot 201 are respectively inserted into the first cavity 111 and the second cavity 112, the stress influence of the two parts can be effectively reduced, so that the clamping forces will not influence each other after the two parts are clamped.

Further, referring to fig. 1 to 3, a positioning rib 114 is further disposed in the second cavity 112, and a positioning groove 202 is further disposed at an end of the electrical connector board 200, and is matched with the positioning rib 114 in a positioning manner, so that connection positioning accuracy of the electrical connector board 200 and the connector 100 is increased.

Further, referring to fig. 2, a side of the positioning rib 114 adjacent to the isolation rib 113 is provided with a groove 115. In this embodiment, an independent connection portion is formed between the positioning slot 202 and the void-avoidance slot 201 on the electrical plug board 200, and the groove 115 is provided on the base 101, so that an independent connection portion can be formed between the positioning slot 202 and the void-avoidance slot 201, and the portion can be conveniently and independently conducted with the first terminal 120 and the second terminal 130.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. An electric connector is characterized by comprising a shell, an electric plug board, a plurality of first terminals and a plurality of second terminals, wherein the shell is provided with a cavity, and the cavity enables the shell to form a base and a top cover; the front side of the base is provided with a plurality of first clamping grooves which penetrate through the top side of the base and extend to the rear side; the rear side of the top cover is provided with a plurality of second clamping grooves which extend to the inner side of the top cover; a first terminal is arranged in each first clamping groove, and the first terminals extend into the cavity; the second terminals are arranged in the second clamping grooves in a clamping mode, and the second terminals are arranged in the cavity; the first terminal is provided with a first contact part, the second terminal is provided with a second contact part, and the first terminal and the second terminal are positioned on two sides of a vertical surface, so that the first contact part and the second contact part are arranged in a front-back staggered manner; one end of the electric plug board is inserted into the cavity, the first contact part is elastically abutted to the bottom of the electric plug board, and the second contact part is elastically abutted to the top side of the electric plug board.

2. The electrical connector of claim 1, wherein: the first terminal comprises a first welding leg, one end of the first welding leg extends upwards to form a first connecting part, a first inserting part is arranged on one side of the first connecting part, and the first inserting part is inserted into the front side of the base; the upper end of the first connecting part extends to form an elastic contact part which extends into the first clamping groove, and the first contact part is arranged at the free end of the elastic contact part and extends out of the first clamping groove.

3. The electrical connector of claim 2, wherein: the end part of the elastic contact part is bent downwards into the first clamping groove.

4. The electrical connector of claim 1, wherein: the second terminal comprises a second welding leg, one end of the second welding leg extends upwards to form a second connecting part, and the upper end of the second connecting part transversely extends to form a second inserting part which is used for being inserted into the top cover; the top side of the second plug-in part is provided with an elastic arm, the elastic arm stretches into the second clamping groove, and the end part of the elastic arm extends downwards to form the second contact part.

5. The electrical connector of any one of claims 1-4, wherein: the top cap is close to the one end of cavity oral area is provided with the inclined plane, first contact portion with the elasticity of second contact portion butt connect electric plugboard makes connect electric plugboard to the holding power of inclined plane perk.

6. The electrical connector of any one of claims 1-4, wherein: the cavity is internally provided with an isolation rib which divides the cavity into a first cavity and a second cavity; the electric connection plug board is provided with a clearance groove for clearance of the isolation rib;

An isolation groove is arranged between the first clamping groove and the isolation ribs, which are close to the two sides of the isolation ribs, and one side of the isolation groove extends to the side wall of the isolation ribs.

7. The electrical connector of claim 6, wherein: when the electric plug board is inserted into the electric connector, the closed side of the clearance groove on the electric plug board is positioned at the outer side of the base, and the two sides of the clearance groove are positioned above the isolation groove.

8. The electrical connector of claim 6, wherein: and a positioning rib is further arranged in the second cavity, and a positioning groove is further formed in the end part of the power connection plug board and is matched with the positioning rib in a positioning way.

9. The electrical connector of claim 8, wherein: and a groove is formed in one side, close to the isolation rib, of the positioning rib.

10. The electrical connector of claim 1, wherein: the bottom of the shell is provided with two locating pins and a fixed welding piece, and the locating pins and the fixed welding piece are used for locating the shell on the circuit board.