CN210779335U

CN210779335U - Electrical connector

Info

Publication number: CN210779335U
Application number: CN201921438202.9U
Authority: CN
Inventors: 刘秀慧
Original assignee: Cen Link Co ltd
Current assignee: Cen Link Co ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-06-16
Anticipated expiration: 2029-08-30

Abstract

The utility model provides an electric connector, a butt joint space is formed in the base of the base body, a plurality of first terminal grooves are arranged in the butt joint space and a butt joint seat is positioned, a plurality of second terminal grooves are arranged at the rear side of the butt joint seat, a socket is arranged in front of each second terminal groove, a plurality of first terminals and a plurality of second terminals of terminal groups are respectively positioned in the base and the butt joint seat, the first terminals are provided with first base parts positioned in the first terminal grooves, one side of each first base part is provided with a first connecting part extending into the butt joint space, the other side is provided with a welding part extending out of the base, the second terminals are provided with second base parts positioned in the second terminal grooves, one side of each second base part is provided with a butt joint part extending to the socket joint part, the other side is provided with a second connecting part elastically butted with the first connecting part, because the first connecting part and the second connecting part are elastically butted, the terminal group has higher pulling margin, so the situation of damage caused by overlarge plugging force is not easy to occur.

Description

Electrical connector

Technical Field

The utility model relates to an electric connector indicates that the base of pedestal has been installed the butt joint seat through the butt joint space especially, and the mutual elasticity butt joint of first connecting portion of plural number and the second connecting portion of this terminal group utilization, so at the plug in-process, the difficult condition that leads to warping, damaging that receives too big plug power way of plural number first terminal of this terminal group takes place.

Background

The connector is used in the connection element of electronic signal and power supply and its accessory, and has the main functions of providing connection between various electronic devices and equipment and ensuring accurate signal transmission, and may be developed into various types depending on the product, power and use environment, and may be used in computer, server, computer peripheral equipment (such as keyboard, mouse, printer, etc.), vehicle host computer peripheral equipment (such as vehicle computer or satellite navigation, etc.), household appliance, telecommunication equipment, communication equipment, etc.

Furthermore, since the design of electronic products is developed in a direction of being light, thin, short and small, in order to match the size reduction of various electronic products, the connector inside the electronic product needs to be more precise and smaller to meet the development trend of the electronic products.

However, most of the electrical connectors in the electronic products in the market are connected to the circuit board, and another corresponding electrical connector can be used for plugging to form electrical connection, the other opposite type of electric connector can transmit signals or power to the control circuit through the circuit board, however, the base of the electrical connector is generally provided with a plurality of terminals which, when mated with an opposing electrical connector, the plurality of terminals are easily affected by plugging or bumping force, and are easily shaken back and forth or left and right, and accumulated with time, the connection between the base and the terminals is prone to crack or deform, and the terminals are also prone to bend, deform or structural damage, so that the overall structure of the electrical connector is rather unstable, thereby affecting the stability of overall signal transmission.

Therefore, how to try to solve the above-mentioned existing drawbacks and inconveniences is a direction that the related art needs to research and improve.

SUMMERY OF THE UTILITY MODEL

Therefore, in view of the above problems and disadvantages, the present invention provides a new electrical connector, which is designed by collecting relevant data, evaluating and considering in many ways, and trying and modifying continuously based on the accumulated years of experience in the industry.

In order to achieve the above object, the utility model adopts the following technical scheme:

an electrical connector, comprising a base and a terminal set, wherein:

the base body comprises a base and a butt joint seat, wherein a butt joint space with an opening in the front is formed in the base, a plurality of first terminal grooves are formed in the butt joint space, the butt joint seat is positioned in the butt joint space, a plurality of second terminal grooves are formed in the rear side surface of the butt joint seat, and a plug-in port penetrating to the outside of the butt joint seat is formed in the front wall surface of each second terminal groove;

the terminal group comprises a plurality of first terminals and a plurality of second terminals, wherein the first terminals are provided with first base parts positioned in the first terminal grooves, one sides of the first base parts are provided with first connecting parts extending into the butt joint space, the other sides of the first base parts, relative to the first connecting parts, are bent and extended with welding parts extending out of the base, the second terminals are provided with second base parts positioned in the second terminal grooves, one sides of the second base parts are provided with butt joint parts extending to the insertion joint parts, and the other sides of the second base parts are provided with second connecting parts elastically butted with the first connecting parts.

The electrical connector, wherein: the back side wall of the butt joint space of the base is respectively provided with a plurality of check blocks which extend forwards and are abutted against the top surface of the second connecting part at the positions above the plurality of first terminal grooves.

The electrical connector, wherein: the bottom surface of the butt joint space of the base is respectively provided with a plurality of guide grooves for the second connecting parts of the second terminals to slide in front of the plurality of first terminal grooves.

The electrical connector, wherein: the base has a plurality of limiting grooves on the bottom surface of the butt space at the left and right sides of the plurality of guiding grooves, and a plurality of limiting blocks for positioning in the limiting grooves are arranged on the left and right sides of the bottom surface of the butt seat.

The electrical connector, wherein: the left and right side walls of the butt joint space of the base are provided with a plurality of inwards extending embedded blocks, and the left and right side walls of the butt joint base are provided with a plurality of embedded grooves for the embedding of the plurality of embedded blocks at the bent angle parts adjacent to the rear side wall.

The electrical connector, wherein: the back side of the base top surface of the base body is bent with a plurality of positioning arms extending to the upper part of the butt joint space, the bottom surface of the front end of each positioning arm is provided with a guide inclined surface, a raised buckling block is arranged at a distance behind the guide inclined surface, and a plurality of buckling grooves for buckling the plurality of buckling blocks to form positioning are concavely arranged at the left side and the right side of the top surface of the butt joint base.

The electrical connector, wherein: the surface of the base body is provided with a plurality of through holes which longitudinally penetrate through the left side and the right side of the butt joint space, the plurality of through holes are internally provided with a plurality of positioning sheets of positioning terminals, and pins which extend to the outside of the base are arranged below the positioning sheets.

The electrical connector, wherein: the first connecting part of the plurality of first terminals is bent and extended with a sheet body in front of the first base part, the second connecting part of the plurality of second terminals is provided with a supporting piece which extends backwards, the left side wall surface of the supporting piece is provided with a bending piece which bends downwards, the rear part of the bending piece is provided with a clamping piece which extends upwards and obliquely, and a clamping space for the sheet body to enter into for clamping and positioning is formed between the clamping piece and the supporting piece.

The electrical connector, wherein: the butt joint part of the plurality of second terminals is provided with two clamping elastic arms extending forwards, and clamping ends bent inwards relatively are arranged in front of the two clamping elastic arms.

The utility model has the advantages of, the butt joint seat has been installed through the butt joint space because of the base of pedestal, and the first terminal of plural number and the second terminal of terminal group utilize first connecting portion and second connecting portion to come mutual elasticity butt joint, so that terminal group has higher pulling margin, so at the in-process that supplies the external connector plug, the first terminal of plural number of this terminal group is difficult for receiving too big plug power and leads to warping, the condition of damage takes place, and then reach the purpose that promotes whole life.

Another objective of the present invention is to provide a base of the base body, which is located at the rear side wall of the docking space and is provided with a plurality of stoppers extending forward, and when the docking base is located at the docking space, the bottom surface of the plurality of stoppers of the base is for supporting the top surface of the supporting piece, so that the first connecting portion of the plurality of first terminals and the second connecting portion of the plurality of second terminals are firmly connected to form an electrical contact, thereby achieving the purpose of improving the stability of electrical transmission.

Drawings

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

Fig. 2 is an exploded perspective view of the present invention.

Fig. 3 is an exploded perspective view of another perspective of the present invention.

Fig. 4 is a side sectional view of the present invention before assembly.

Fig. 5 is a side sectional view of the present invention after assembly.

Fig. 6 is a perspective view of the present invention before being mated with the connector.

Fig. 7 is an exploded perspective view of another embodiment of the present invention.

Fig. 8 is a side sectional view of another embodiment of the present invention, after assembly.

Description of reference numerals: 1-a seat body; 11-a base; 110-a docking space; 1101-an opening; 111-first terminal slot; 112-a stop; 113-a guide slot; 114-a limiting groove; 115-an insert; 116-a positioning arm; 1161-a guiding bevel; 1162-a fastening block; 117-perforation; 12-a docking station; 121-a second terminal slot; 122-a socket; 123-a limiting block; 124-caulking groove; 125-catching groove; 2-terminal group; 21-a first terminal; 211-a first base; 212-a first connection; 2120-a clamping space; 2121-tablet; 2122-holding sheet; 2123-bending sheet; 2124-clamping piece; 213-a weld; 22-a second terminal; 221-a second base; 222-a docking station; 2221-holding the elastic arm; 2222-a clamping end; 223-a second connection; 2230-a holding space; 2231-holding sheet; 2232-bending sheets; 2233-holding pieces; 2234-tablet; 23-positioning terminals; 231-a positioning sheet; 232-pin; 3-a connector; 31-conductive terminal.

Detailed Description

To achieve the above objects and advantages, the preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, which are a perspective view, a three-dimensional exploded view at another viewing angle, a side sectional view before assembly, and a side sectional view after assembly of the present invention, as can be clearly seen from the figures, the present invention includes a base body 1 and a terminal set 2, wherein:

the base body 1 comprises a base 11 and a butt-joint base 12, wherein the base 11 is formed with a butt-joint space 110 with an opening 1101 in the front, a plurality of first terminal slots 111 penetrating through the front and the back are arranged on the back side wall surface of the butt-joint space 110, a plurality of stoppers 112 extending forward are arranged on the back side wall surface of the butt-joint space 110 and above the plurality of first terminal slots 111, a plurality of guide slots 113 are arranged on the bottom surface of the butt-joint space 110 and in front of the plurality of first terminal slots 111, a plurality of semi-arc-shaped limit slots 114 are arranged on the bottom surface of the butt-joint space 110 and on the left and right sides of the plurality of guide slots 113, a plurality of inwardly extending blocks 115 are arranged on the left and right side wall surfaces of the butt-joint space 110, a plurality of positioning arms 116 extending to the upper side of the butt-joint space 110 are bent on the back side of the top surface of the base 11, a guide inclined surface 1161 is arranged on the bottom surface of the front end of each positioning arm 116, the surface of the base 11 and the left and right sides of the docking space 110 are provided with a plurality of through holes 117 that penetrate longitudinally.

The rear side of the docking station 12 is concavely provided with a plurality of second terminal grooves 121, the front wall of each second terminal groove 121 is provided with a socket 122 with a smaller aperture and penetrating to the outside of the docking station 12, the left and right sides of the bottom surface of the docking station 12 are provided with a plurality of semicircular limiting blocks 123, the left and right sides of the wall surface of the docking station 12 are provided with a plurality of caulking grooves 124 adjacent to the corner of the rear side wall, and the left and right sides of the top surface of the docking station 12 are concavely provided with a plurality of fastening grooves 125.

The terminal set 2 includes a plurality of first terminals 21, a plurality of second terminals 22 and a plurality of positioning terminals 23, wherein the first terminal 21 has a vertical first base 211, and a first connection portion 212 is disposed on one side of the first base 211, and the first connection portion 212 is located in front of the first base 211 and bent and extended with a rectangular sheet 2121, and the first base 211 is bent and extended with a welding portion 213 on the other side with respect to the first connection portion 212, and the second terminal 22 has a ㄩ -shaped second base 221, and a docking portion 222 is disposed on one side of the second base 221, and the docking portion 222 has two holding elastic arms 2221 extending forward, and a holding end 2222 bent inward relatively is disposed in front of the two holding elastic arms 2221, and a second connection portion 223 is disposed on the other side of the second base 221, and the second connection portion 223 has a supporting piece 2231 extending backward, and a bent piece 2232 bent downward is disposed on the left side wall of the supporting piece 2231, a clamping piece 2233 extending obliquely upwards is arranged behind the bending piece 2232, and a clamping space 2230 is formed between the clamping piece 2233 and the abutting piece 2231; in addition, the positioning terminal 23 has a positioning piece 231 having a rectangular shape, and a pin 232 extends below the positioning piece 231.

When the present invention is assembled, the plurality of first terminals 21 and the plurality of second terminals 22 of the terminal set 2 are respectively formed into the base 11 and the docking seat 12 of the seat 1 by Insert injection (Insert Molding), so that the first base 211 of the plurality of first terminals 21 is positioned in the plurality of first terminal grooves 111 of the base 11, the sheet 2121 of the first connection portion 212 of the plurality of first terminals 21 extends into the docking space 110 of the base 11 to form a suspended shape, the welding portion 213 of the plurality of first terminals 21 extends backward to the outside of the base 11, the second base 221 of the plurality of second terminals 22 is positioned in the plurality of second terminal grooves 121 of the docking seat 12, and the two clamping resilient arms 2221 of the docking portion 222 of the plurality of second terminals 22 extend to the docking port 122 in front of the plurality of second terminal grooves 121, and the second connection portion 223 behind the plurality of second terminals 22 extends to the outside of the docking seat 12, the plurality of first terminals 21 and the plurality of second terminals 22 of the terminal set 2 can be firmly combined in the base 11 and the butt-joint seat 12 of the seat body 1.

When the plurality of first terminals 21 and the plurality of second terminals 22 of the terminal group 2 are formed in the base 11 and the docking seat 12 of the base 1, the docking seat 12 can be inserted from the opening 1101 in the front of the docking space 110, the second connecting portions 223 of the plurality of second terminals 22 can enter the plurality of guiding grooves 113 of the base 11 to slide and continuously insert into the docking seat 12, so that the rear side of the docking seat 12 abuts against the guiding inclined surfaces 1161 of the plurality of positioning arms 116, thereby the plurality of positioning arms 116 are spread outward, and then the docking seat 12 is continuously inserted, so that the sheet body 2121 of the first connecting portion 212 of the plurality of first terminals 21 is inserted into the clamping space 2230 of the second connecting portions 223 of the plurality of second terminals 22, and the upper and lower surfaces of the sheet body 2121 are elastically clamped by the supporting pieces 2231 and the clamping pieces 3 to form a positioning, and at the same time, the bottom surfaces of the plurality of stoppers 112 abut against the top surfaces of the supporting pieces 2231 to make the first connecting portions 212 of the plurality of first terminals 21 and the second connecting portions 223 of the second terminals 22 dock, when the first connection portion 212 of the plurality of first terminals 21 and the second connection portion 223 of the plurality of second terminals 22 are butted, the plurality of stoppers 123 on the bottom surface of the butting base 12 enter the plurality of stopper grooves 114 of the base 11, and the plurality of inserts 115 of the base 11 are embedded in the plurality of insert grooves 124 of the butting base 12 to form a stopper, and the fastening block 1162 of the plurality of positioning arms 116 is fastened in the plurality of fastening grooves 125 on the top surface of the butting base 12 to form a positioning, thereby preventing the butting base 12 from being separated back, thus completing the assembly of the present invention.

The base 11 of the base 1 can be further provided with the positioning terminal 23 of the terminal set 2, and the positioning terminal 23 of the terminal set 2 can be formed in the base 11 of the base 1 by insert injection molding, so that the positioning piece 231 of the positioning terminal 23 is positioned in the plurality of through holes 117 of the base 11, and the pin 232 of the positioning terminal 23 extends to the lower outer side of the base 11.

Furthermore, the plurality of first terminals 21, the plurality of second terminals 22 and the plurality of positioning terminals 23 of the terminal set 2 are preferably formed by respectively and jointly coating and injecting the base 11 and the docking seat 12 of the seat body 1 by plastic in an insert injection manner, but in practical application, this is not taken as a limitation, and the base 11 and the docking seat 12 of the seat body 1 can be integrally formed or assembled by insert injection in accordance with practical requirements or different structural designs to be positioned.

Referring to fig. 6, which is a perspective view of the present invention before being abutted with the connector, it can be seen clearly from the figure that when the present invention is used in practice, the present invention can be electrically connected to an external circuit board (not shown in the figure) to make the welding portion 213 of the first terminals 21 of the terminal set 2 be welded on the contacts of the external circuit board to form electrical contact, and the pins 232 of the positioning terminals 23 are welded and positioned in the insertion holes passing through the external circuit board, so that the external connector 3 can be inserted into the docking seat 12 of the seat body 1, the conductive terminals 31 of the external connector 3 can be inserted from the insertion openings 122 of the docking seat 12 to make the conductive terminals 31 be inserted between the two clamping elastic arms 2221 of the docking portion 222 of the second terminals 22, and the clamping ends 2222 in front of the two clamping elastic arms 2222221 are clamped on the surfaces of the conductive terminals 31 to form electrical contact, when the present invention performs electrical transmission with the external connector 3, the electrical signal is transmitted from the plurality of conductive terminals 31 to the butt-joint portion 222 of the plurality of second terminals 22, and transmitted to the first connecting portion 212 of the plurality of first terminals 21 through the second connecting portion 223 of the plurality of second terminals 22, and then transmitted to the external circuit board by the welding portion 213 of the plurality of first terminals 21, thereby completing the transmission of the electrical signal.

When the external connector 3 is separated from the housing 1, the external connector 3 can be directly pulled out to separate the plurality of conductive terminals 31 of the external connector 3 from the two elastic clamping arms 2221, so as to release the electrical contact state, because the terminal set 2 is elastically butted with each other by using the first connecting portions 212 of the plurality of first terminals 21 and the second connecting portions 223 of the plurality of second terminals 22, the plurality of first terminals 21 of the terminal set 2 are not easily deformed or damaged by an excessive pulling force during the pulling process.

Referring to fig. 7 and 8, which are a perspective exploded view and an assembled side sectional view of another embodiment of the present invention, it can be clearly seen from the drawings that in another embodiment of the present invention, compared with the preferred embodiment, the first connecting portion 212 of the first terminal 21 and the second connecting portions 223 of the plurality of second terminals 22 are designed to be interchangeable, the first connecting portion 212 can be modified with a supporting piece 2122 extending forward, the left side wall of the supporting piece 2122 is provided with a bending piece 2123 bending downward, the rear of the bending piece 2123 is provided with a clamping piece 2124 extending obliquely upward, a clamping space 2120 is formed between the clamping piece 2124 and the supporting piece 2122, and the second connecting portion 223 can be modified with a piece 2234 extending backward and inserted into the clamping space 2120 to form a clamping and positioning piece.

The utility model has the advantages of that:

the base 11 of the base 1 is provided with the docking seat 12 through the docking space 110, and the plurality of first terminals 21 and the plurality of second terminals 22 of the terminal set 2 are elastically docked with each other by the first connection portion 212 and the second connection portion 223, so that the terminal set 2 has a high pulling margin, and therefore, in the process of plugging and unplugging the external connector 3, the plurality of first terminals 21 of the terminal set 2 are not easily deformed or damaged due to an excessive plugging and unplugging force, and the service life of the whole body can be prolonged, thereby ensuring the electrical contact effect for multiple plugging and unplugging docks, and ensuring the signal transmission to be exact.

Second, the base 11 of the base body 1 is provided with a plurality of stoppers 112 extending forward on the rear side wall surface of the docking space 110, and when the docking seat 12 is positioned in the docking space 110, the bottom surfaces of the stoppers 112 of the base 11 are abutted against the top surfaces of the abutting pieces 2231, so that the first connecting portions 212 of the plurality of first terminals 21 and the second connecting portions 223 of the plurality of second terminals 22 form electrical contact stably, thereby achieving the effect of improving the stability of electrical transmission.

The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. An electrical connector, comprising a base and a terminal set, wherein:

2. The electrical connector of claim 1, wherein: the back side wall of the butt joint space of the base is respectively provided with a plurality of check blocks which extend forwards and are abutted against the top surface of the second connecting part at the positions above the plurality of first terminal grooves.

3. The electrical connector of claim 1, wherein: the bottom surface of the butt joint space of the base is respectively provided with a plurality of guide grooves for the second connecting parts of the second terminals to slide in front of the plurality of first terminal grooves.

4. The electrical connector of claim 3, wherein: the base has a plurality of limiting grooves on the bottom surface of the butt space at the left and right sides of the plurality of guiding grooves, and a plurality of limiting blocks for positioning in the limiting grooves are arranged on the left and right sides of the bottom surface of the butt seat.

5. The electrical connector of claim 1, wherein: the left and right side walls of the butt joint space of the base are provided with a plurality of inwards extending embedded blocks, and the left and right side walls of the butt joint base are provided with a plurality of embedded grooves for the embedding of the plurality of embedded blocks at the bent angle parts adjacent to the rear side wall.

6. The electrical connector of claim 1, wherein: the back side of the base top surface of the base body is bent with a plurality of positioning arms extending to the upper part of the butt joint space, the bottom surface of the front end of each positioning arm is provided with a guide inclined surface, a raised buckling block is arranged at a distance behind the guide inclined surface, and a plurality of buckling grooves for buckling the plurality of buckling blocks to form positioning are concavely arranged at the left side and the right side of the top surface of the butt joint base.

7. The electrical connector of claim 1, wherein: the surface of the base body is provided with a plurality of through holes which longitudinally penetrate through the left side and the right side of the butt joint space, the plurality of through holes are internally provided with a plurality of positioning sheets of positioning terminals, and pins which extend to the outside of the base are arranged below the positioning sheets.

8. The electrical connector of claim 1, wherein: the first connecting part of the plurality of first terminals is bent and extended with a sheet body in front of the first base part, the second connecting part of the plurality of second terminals is provided with a supporting piece which extends backwards, the left side wall surface of the supporting piece is provided with a bending piece which bends downwards, the rear part of the bending piece is provided with a clamping piece which extends upwards and obliquely, and a clamping space for the sheet body to enter into for clamping and positioning is formed between the clamping piece and the supporting piece.

9. The electrical connector of claim 1, wherein: the butt joint part of the plurality of second terminals is provided with two clamping elastic arms extending forwards, and clamping ends bent inwards relatively are arranged in front of the two clamping elastic arms.