CN220358375U

CN220358375U - Electric connector assembly and electric connector

Info

Publication number: CN220358375U
Application number: CN202321817666.7U
Authority: CN
Inventors: 翁雪阳; 张强
Original assignee: Qingdao Yousheng Auto Parts Co ltd
Current assignee: Qingdao Yousheng Auto Parts Co ltd
Priority date: 2023-07-11
Filing date: 2023-07-11
Publication date: 2024-01-16
Anticipated expiration: 2033-07-11

Abstract

The utility model discloses an electric connector assembly and an electric connector, wherein the electric connector assembly comprises: the terminal module consists of a plurality of terminals in an array, one end of each terminal is provided with an elastic plug-in part for plugging in a circuit board, and the other end of each terminal is provided with a rod-shaped tail needle; the elastic plug-in connection part comprises an elastic deformation part and a pointed part, wherein the elastic deformation part and the pointed part are formed by connecting two arc-shaped connection parts, and the inner side surfaces of the two arc-shaped connection parts are enclosed to form a through hole; the insulating shell body is internally provided with a containing cavity, the side edge of the insulating shell extends out of the connector, and the outer side surface of the connector, which is far away from the containing cavity, is recessed to form an inserting port; the end of the elastic plug-in part of each terminal vertically penetrates through the bottom wall of the accommodating cavity and extends into the accommodating cavity, and the end of the tail needle of the terminal extends into the inner cavity of the plug-in port. The electric connector assembly is simple in structure, convenient to use, high in installation efficiency and capable of achieving stable electric connection through plugging of the terminal module and the circuit board.

Description

Electric connector assembly and electric connector

Technical Field

The present disclosure relates to electrical connectors, and particularly to an electrical connector assembly and an electrical connector.

Background

Terminals are widely used as accessories for electrical connection in various electronic connectors and in various electronic products. The terminal plays an important role as an indispensable structure in the electric connector at present, and along with the refinement of the application field, the structure and the type of the electric connector are more and more diversified, and the process requirement is higher and higher.

At present, in order to realize the electric connection of the circuit board in the electric connector, in the installation process, the stable electric connection needs to be carried out between the PCB board in the electric connector and external components through the terminal, but in the traditional mode, the electric connection is carried out between the terminal and the PCB board through soldering, so that the falling of the connecting part is avoided. However, on one hand, soldering operation is complicated, environmental resistance is poor, oxidization is easy, service life is short, and strength is poor due to stress release after long-time use; on the other hand, tin atoms are prone to bridge formation on the PCB face, which can easily lead to shorting failure of the circuit board. Particularly, with the rapid development of technology, the circuit density of the circuit board is increased, so that the above-mentioned drawbacks of the conventional manner of soldering the connection terminals are more remarkable.

However, many current electrical connectors have complicated structures, complicated installation and low efficiency, and require soldering to electrically connect the circuit board with the terminals at corresponding positions, so that the problems caused by the conventional processes are solved.

Accordingly, the existing electrical connectors are still to be further developed.

Disclosure of Invention

Aiming at the technical problems, the utility model provides an electric connector assembly and an electric connector, wherein the electric connector assembly adopts a terminal module to be inserted with a circuit board so as to realize stable electric connection, has high installation efficiency and effectively prolongs the service life of the circuit board.

The utility model provides the following technical scheme:

the present application provides an electrical connector assembly, comprising: the terminal module consists of a plurality of terminals which are arranged in the first insulating shell, an elastic plug-in part for plugging the circuit board is arranged at one end of the terminal extending out of the first insulating shell, and a rod-shaped tail needle is arranged at the other end of the terminal extending out of the first insulating shell; the elastic plug-in connection part comprises an elastic deformation part formed by connecting two symmetrical arc-shaped connection parts in a head-to-tail correspondence manner, a tip part positioned at the front end of the elastic deformation part and the inner side surfaces of the two arc-shaped connection parts are enclosed to form a through hole;

the insulating shell I is internally provided with a containing cavity for containing the circuit board, the side edge of the insulating shell I extends out of the connector, and the connector is recessed away from the outer side surface of the containing cavity to form an inserting port; the end of the elastic plug-in part of each terminal vertically penetrates through the bottom wall of the accommodating cavity and extends into the accommodating cavity, and the end of the tail needle of the terminal extends into the inner cavity of the plug-in port.

Preferably, in the electrical connector assembly, first positioning columns are symmetrically and vertically arranged on the bottom surface of the accommodating cavity, each first positioning column comprises a hot-melt column located in the center and a supporting portion formed by extending radially along the outer side wall of the hot-melt column, and the height of each supporting portion is lower than that of each first positioning column.

Preferably, in the electrical connector assembly, three supporting portions are provided, the three supporting portions are arranged in a central symmetry manner with the hot melting column as a center, and the supporting portions extend to the bottom surface of the accommodating cavity.

Preferably, in the electrical connector assembly, the number of the first positioning posts is two, and the first positioning posts are respectively and symmetrically arranged at positions far away from the terminal module.

Preferably, in the electrical connector assembly, the terminal module is located close to the connector and the terminal is parallel to the end face of the connector; the terminal modules are arranged in a group, or the terminal modules are arranged in two or more groups which are parallel to each other up and down.

Preferably, in the electrical connector assembly, a bottom surface proximal surface position or an inner side surface of the accommodating cavity extends perpendicularly out of the support column, and a top surface of the support column and a top surface of the support portion of the first positioning column are in a same plane.

Preferably, in the electrical connector assembly, a connecting arm horizontally extends outwards from a side surface of the first insulating housing, a connecting hole is formed in the connecting arm in a penetrating manner, and the first insulating housing is fixedly connected with other structures through cooperation of a fastener and the connecting hole.

Preferably, in the electrical connector assembly, a positioning fixture block for clamping with a clamping groove of the component to be connected is axially arranged on the inner wall of the plug-in interface.

Preferably, in the electrical connector assembly, a stop portion is provided at the other end of the elastically deforming portion away from the tip portion, and the stop portion extends along a width direction of the elastically deforming portion.

In addition, the present application also provides an electrical connector, which includes: the electric connector assembly comprises a circuit board and an insulating shell II, wherein the circuit board is provided with a conductive jack for being in plug-in fit with the terminal, and the insulating shell I and the insulating shell II are covered and connected.

The electric connector assembly provided by the utility model has the following beneficial effects:

1. the electric connector assembly adopts a special terminal module to be spliced with the circuit board so as to realize stable electric connection, avoids using a traditional welding mode, improves the installation efficiency of the electric connector assembly and the circuit board, and can effectively prolong the service life of the circuit board.

2. The electric connector assembly is simple in structure and convenient to install, stable electric connection is carried out through the terminal module and one end of the circuit board, and meanwhile, the first positioning column is riveted with the other end of the circuit board, so that stable connection and positioning of the circuit board and the electric connector assembly are guaranteed, normal use of the circuit board is prevented from being influenced by displacement of the circuit board, and service life of the circuit board is prolonged.

Drawings

Fig. 1 is a schematic perspective view of an electrical connector assembly in embodiment 1;

fig. 2 is a schematic top view of the electrical connector assembly in embodiment 1;

FIG. 3 is a schematic view of the cross-sectional A-A configuration of the electrical connector assembly of FIG. 2;

FIG. 4 is an exploded view of the structure of the electrical connector assembly of embodiment 1;

fig. 5 is a schematic diagram showing a front view of the electrical connector assembly in embodiment 1;

FIG. 6 is a schematic structural view of a terminal in the electrical connector assembly;

wherein reference numerals are as follows:

the insulating housing one 6, the accommodating chamber 61, the connector 62, the insertion port 621, the positioning block 62, the first positioning column 63, the supporting portion 632, the hot-melt column 631, the supporting column 64, the connecting arm 65, the connecting hole 651, the tip portion 1, the inclined surface 11, the elastic deformation portion 2, the through hole 22, the arc surface 23, the stopper portion 3, the connecting rod 4, the positioning groove 41, and the positioning protrusion 42.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model. It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The use of directional or positional relationship terms in the description is based on the orientation or positional relationship shown in the drawings is for convenience of description and simplicity of description only, and is not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items. In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Example 1

As shown in fig. 1 to 5, the present embodiment provides an electrical connector assembly, which includes: an insulating housing I6, a terminal module arranged in the insulating housing I; the insulating housing body is internally provided with a containing cavity 61 for containing the circuit board, the side edge of the insulating housing extends out of the connector 62, and the outer side surface of the connector, which is far away from the containing cavity, is sunken to form an inserting port 621. The accommodating cavity is internally provided with a circuit board to be connected, and the connector is used for plugging other electronic components.

The terminal module consists of a plurality of terminals which are arranged in an array, and in order to realize the electric connection between the circuit board and other electronic components, one end of the terminal extending to the outside of the insulating shell is provided with an elastic plug-in connection part for plugging the circuit board, and the other end of the terminal extending to the outside of the insulating shell is provided with a rod-shaped tail needle 5. The elastic plug-in part is electrically connected with the circuit board and the tail needle is electrically connected with other electronic components, so that stable electrical connection between the circuit board and the external electronic components mounted in the electric connector assembly is realized; and this arrangement achieves a solderless connection of the circuit board to the terminals.

Specifically, as shown in fig. 4 and 6, in the terminal of the present embodiment, the elastic plug-in portion includes an elastic deformation portion 2 formed by connecting two symmetrical arc-shaped connection portions 2 end to end, a tip portion 1 located at the front end of the elastic deformation portion, and inner side surfaces of the two arc-shaped connection portions enclosing to form a through hole 22.

The end of the elastic plug-in part of each terminal vertically penetrates through the bottom wall of the accommodating cavity and extends into the accommodating cavity 61, so that stable electric connection can be realized by plugging with the circuit board arranged in the cavity, and the end of the tail needle 51 of the terminal extends into the inner cavity of the plug-in port 621.

When the electric connector assembly is applied, the stable electric connection between the circuit board and other electronic components is realized through each terminal of the terminal module, the use is simple, the installation is quick, and the application range is wide.

As shown in fig. 1 to 2, in order to facilitate stable connection of the insulating housing one with other structures, the following arrangement is made: the first positioning columns 63 are symmetrically and vertically arranged on the bottom surface of the accommodating cavity 61, and each first positioning column comprises a hot melting column 631 positioned in the center and a supporting portion 632 formed by extending along the radial direction of the outer side wall of the hot melting column, and the height of the supporting portion is lower than that of the first positioning column.

The hot-melt column is used for riveting with other insulating shells (such as a second insulating shell mentioned later) or a circuit board through hot melting.

In this embodiment, in the electric connector assembly, the supporting part of hot melt post periphery sets up to three, and three supporting part is central symmetry setting as the center with the hot melt post, and the supporting part extends to the bottom surface of holding chamber, improves the structural stability of supporting part.

In use, the support portion 632 supports the circuit board mounted in the accommodating chamber from below, and the heat stake reinforces the connection stability of the circuit board and the electrical connector.

Preferably, the number of the first positioning columns 63 is two, and the two first positioning columns are respectively and symmetrically arranged at two corners of the accommodating cavity far away from the terminal module. The terminal module is connected with the stable electricity of one end of circuit board, first reference column is riveted with the other end of circuit board to guarantee the stable connection and the location of circuit board and electric connector subassembly, avoid its aversion to influence its normal use, increase of service life.

The position of the terminal module is close to the connector and the terminal is parallel to the end face of the connector. In this embodiment, the terminal modules are arranged in a group; in other embodiments, the terminal modules are arranged in two or more groups that are parallel to each other up and down, and the arrangement of the terminal modules can be flexibly adjusted according to the specific requirements of the circuit board to be mounted and the types of components to be connected corresponding to the connectors.

Further, in order to position the circuit board, the proximal surface or the inner surface of the bottom surface of the accommodating cavity 61 extends perpendicularly out of the supporting column 64, the top surface of the supporting column and the top surface of the supporting portion of the first positioning column 63 are in a plane, and the supporting column and the first positioning column cooperate together to improve the positioning reliability of the circuit board.

In addition, the side surface of the first insulating housing extends outwards horizontally to form a connecting arm 65, a connecting hole 651 is formed in the connecting arm in a penetrating manner, and the first insulating housing is fixedly connected with other structures (such as the second insulating housing serving as an upper cover or other external structures) through cooperation of a fastener and the connecting hole. The fixed connection is a screw connection, and the fastening piece is a screw, a bolt or a pin, etc.

As shown in fig. 5, a positioning fixture block 622 for clamping with a clamping groove of a component to be connected is axially arranged on the inner wall of the plug-in interface 621. The positioning fixture block not only plays the quick plug-in position of being convenient for terminal and external electronic components when pegging graft, prevents that both from taking place to rock relatively to still play the direction, avoid pegging graft reverse, play and prevent slow-witted effect.

As shown in fig. 6, in the present embodiment, in the terminal, the other end of the elastic deformation portion 2 away from the tip portion is provided with a stopper portion 3 that extends in the width direction of the elastic deformation portion. The terminal is L-shaped. The upper surface and the lower surface of the elastic deformation part 2 are parallel, and smooth transition is carried out between the upper surface and the lower surface of the elastic deformation part 2 and the adjacent left and right side surfaces through at least one cambered surface 23. On the basis, the tip part 1 transits to the upper surface and the lower surface of the elastic deformation part 2 through the inclined surface 11; preferably, the connection between the elastic deformation portion 2 and the stop portion 3 is smoothly transited.

In order to make the terminal fit better with the first insulating housing (usually by injection molding), the two side surfaces of the connecting rod 4 of the terminal in the first insulating housing 6 are symmetrically provided with positioning grooves 41 and/or positioning protrusions 42. In this embodiment, the positioning groove is semicircular, and the positioning protrusion is rectangular.

In other embodiments, the number, positions and shapes of the positioning grooves 41 and the positioning protrusions 42 may be different, and may be appropriately adjusted to meet different use requirements, and the shape of the terminal in other embodiments is not limited to this embodiment.

Further, the width of the tail needle may be set to be equal to or smaller than the width of the connecting rod. In some embodiments, the width of the tail needle of the terminal is smaller than the width of the connecting rod, and the joint of the tail needle and the connecting rod is smoothly transited, namely, rounded corner setting is performed.

The present embodiment also provides an electrical connector, including: the electric connector assembly, the circuit board and the insulating housing II of the embodiment, the circuit board is provided with a conductive jack for being in plug-in fit with the terminal, the insulating housing I and the insulating housing II are covered and connected (not shown in the drawing), and the two covered insulating housings encapsulate the circuit board inside.

It will be understood that equivalents and modifications will occur to those skilled in the art in light of the present teachings and concepts, and all such modifications and substitutions are intended to be included within the scope of the present utility model as defined in the accompanying claims.

Claims

1. An electrical connector assembly, comprising: the terminal module consists of a plurality of terminals which are arranged in the first insulating shell, an elastic plug-in part for plugging the circuit board is arranged at one end of the terminal extending out of the first insulating shell, and a tail needle (5) which is in a rod shape and extends out of the first insulating shell is arranged at the other end of the terminal; the elastic plug-in connection part comprises an elastic deformation part (2) formed by connecting two symmetrical arc-shaped connection parts in a head-to-tail correspondence manner, a pointed part (1) positioned at the front end of the elastic deformation part, and through holes (22) formed by enclosing the inner side surfaces of the two arc-shaped connection parts;

a containing cavity (61) for containing the circuit board is arranged in the insulating shell I main body, a connector (62) extends out of the side edge of the insulating shell I, and the outer side surface of the connector, far away from the containing cavity, is recessed to form an inserting port (621); the end of the elastic plug-in part of each terminal vertically penetrates through the bottom wall of the accommodating cavity and extends into the accommodating cavity, and the end of the tail needle of the terminal extends into the inner cavity of the plug-in port.

2. The electrical connector assembly of claim 1, wherein the first positioning posts (63) are symmetrically and vertically disposed on the bottom surface of the receiving cavity (61), and the first positioning posts include a centrally located heat stake (631) and support portions (632) extending radially along the outer side walls of the heat stake, the support portions being lower in height than the first positioning posts.

3. The electrical connector assembly of claim 2, wherein the plurality of support portions on the first positioning post are arranged in a central symmetry manner with respect to the heat stake, and the support portions extend to the bottom surface of the accommodating cavity.

4. An electrical connector assembly according to claim 3, wherein the first positioning posts (63) are provided in at least two positions, respectively symmetrically located away from the terminal module.

5. The electrical connector assembly of claim 3, wherein the terminal module is positioned adjacent the header and the terminals are disposed parallel to the end surfaces of the header; the terminal modules are arranged in a group, or the terminal modules are arranged in two or more groups which are parallel to each other up and down.

6. The electrical connector assembly of claim 5, wherein a bottom proximal or inner side of the receiving cavity (61) extends perpendicularly out of the support post (64), the top surface of the support post being in a plane with the top surface of the support portion of the first positioning post.

7. The electrical connector assembly of claim 5, wherein the first side of the insulative housing extends horizontally outwardly from the connecting arm (65) and the connecting arm is provided with a connecting hole (651) therethrough for fixedly connecting the first insulative housing to other structures by engaging a fastener with the connecting hole.

8. The electrical connector assembly of claim 1, wherein an inner wall of the socket (621) is provided with a positioning block (622) for clamping with a clamping groove of the component to be connected in an axial direction.

9. The electrical connector assembly according to claim 8, wherein the other end of the elastically deformable portion (2) remote from the tip portion is provided with a stopper portion (3) extending in a width direction of the elastically deformable portion.

10. An electrical connector, comprising: the electrical connector assembly as claimed in any one of claims 1 to 9, wherein the circuit board is provided with a conductive jack for mating with the terminals, and the first and second insulating housings are covered and connected.