CN117039483A - Electric connector - Google Patents

Abstract

The application discloses an electric connector capable of effectively reducing contact impedance, each terminal of the electric connector is provided with two first walls and a second wall, the two first walls are oppositely arranged, the two first walls are respectively extended backwards to form a first elastic arm, a bridging part is bent and extended from one first wall to the other first wall, an extending wall is extended from the bridging part to the second wall, the extending wall is positioned between the two first walls, a second elastic arm is extended backwards from the extending wall, the two first elastic arms are bent and extended towards the second elastic arm, a plurality of contact parts are respectively and convexly arranged on the two first elastic arms and the second elastic arm to be electrically connected with the same conductive part, so that the contact parts of the same terminal can be in central abutting joint with the middle position of the corresponding conductive part, the contact parts on the first elastic arms are prevented from deviating from the corresponding conductive parts, the contact area of the terminal and an electronic element is increased, the contact impedance is reduced, the contact transmission rate of the terminal is improved, and the contact stability of the contact part and the corresponding conductive part is improved.

Description

Electric connector

[ field of technology ]

The present application relates to an electrical connector, and more particularly, to an electrical connector capable of effectively reducing contact resistance.

[ background Art ]

Electrical connectors are one of the vital components in electronic systems that connect various circuits, sensors and actuators to a main circuit board. The terminal structure of the connector is one of the key components, and the functions of the terminal structure are mainly that the external device is connected with the main circuit board, and the electric and mechanical connection is provided, while the terminal of the connector must be tightly connected with the corresponding conductive part of the electronic element to realize stable electric signal transmission, if the connection mode of the terminal of the connector and the electronic element is imperfect, the contact reliability is easily affected to cause instant short circuit or open circuit.

In the existing electric connector applied to the automobile, the electric connector is provided with an insulating body and a plurality of connector terminals accommodated in the insulating body, the connector terminals are provided with two elastic arms which are transversely arranged, the two elastic arms are convexly provided with contact parts so as to be connected with corresponding conductive parts of an electronic element, and a large gap exists between the two elastic arms; and the insulating body is not provided with a pressing piece which enables the contact part to be stably connected towards the corresponding conductive part of the electronic element, when the elastic arm vibrates up and down and the vibration amplitude is large, the elastic arm is easy to separate from the corresponding conductive part to cause disconnection, and in severe cases, the electronic element can be directly separated from the insulating body to seriously influence the signal transmission stability.

Therefore, there is a need to design a new electrical connector to overcome the above-mentioned problems.

[ application ]

In view of the problems of the prior art, an object of the present application is to provide an electrical connector capable of providing two first elastic arms and a second elastic arm located between the two first elastic arms, wherein the first elastic arms and the second elastic arms are each provided with a terminal where the contact portion abuts against the same conductive portion of the electronic component, and the first elastic arms and the second elastic arms are pressed by a pressing member to stably connect the contact portion with the corresponding conductive portion of the electronic component.

In order to achieve the above purpose, the application adopts the following technical scheme:

an electrical connector for electrically connecting with an electronic component having a plurality of conductive portions disposed side by side, comprising: the rear end of the insulating body is provided with at least one insertion space which is used for accommodating the conductive part of the electronic element, the insulating body is provided with a plurality of terminal grooves along the front-rear direction, and the terminal grooves are communicated with the insertion space; the terminals are correspondingly accommodated in the terminal grooves, each terminal is provided with two first walls and a second wall, the two first walls are oppositely arranged, the two first walls are respectively provided with a first elastic arm in a backward extending mode, at least one bridging part is bent and extended from one first wall towards the other first wall, an extending wall is extended from the bridging part towards the second wall, the extending wall is positioned between the two first walls, a second elastic arm is bent and extended from the extending wall, the two first elastic arms are respectively bent and extended towards the second elastic arm, a contact part is protruded and extended into the insertion space from each first elastic arm and each second elastic arm along a first direction perpendicular to the front-back direction, the contact parts are arranged on the same side of the insertion space along a second direction perpendicular to the first direction, and the contact parts of the terminals are abutted against the first conductive parts of the electronic elements along the same direction; at least one pressing piece is assembled on the insulating body and is positioned on one side of the first elastic arm and one side of the second elastic arm, which are far away from the insertion space, and the pressing piece presses the first elastic arm and the second elastic arm which are positioned in front of the contact part along the first direction, so that a plurality of contact parts of each terminal are tightly abutted against the same conductive part.

Further, the first direction is an up-down direction, and a contact surface is formed on one side of each contact portion along the first direction, the contact surface is used for contacting with the same conductive portion of each electronic component, and a plurality of contact surfaces of each terminal are located at the same height.

Further, the contact portion is formed by punching and blanking, the blanking surface at the lower end of the contact portion forms the contact surface, the terminal is bent in front of the bridging portion by punching to form a butt joint portion, the butt joint portion is of a cylindrical structure, a spring plate is bent and extended inwards from one side wall surface of the butt joint portion, a shielding portion is bent and extended from the other side wall surface adjacent to the spring plate towards the spring plate, and the shielding portion is used for preventing the spring plate from excessively deflecting.

Further, a sum of thicknesses of the plurality of contact portions of each of the terminals in the second direction is smaller than a width of the conductive portion in the second direction.

Further, each terminal is provided with two bridging portions between the extending wall and one of the first walls, the two bridging portions are arranged at intervals in the front-rear direction, a groove is formed between the two bridging portions, at least one mounting groove is concavely formed in one side of the insulating body, the mounting groove is communicated with a plurality of terminal grooves, the mounting groove is used for correspondingly accommodating a terminal position assurance member, the terminal position assurance member is convexly provided with a plurality of stop blocks corresponding to a plurality of terminals, and the stop blocks are correspondingly inserted into the grooves so as to stop the rear ends of the bridging portions at the front positions.

Further, the insulating body is provided with a plurality of limiting holes in front of the mounting groove, each limiting hole is correspondingly communicated with each terminal groove, the rear end of each limiting hole is provided with a limiting surface, each terminal is provided with a cylindrical butt joint part, the butt joint part is positioned in front of the bridging part, an inclined buckle arm is formed by cutting the butt joint part, and the rear end of the buckle arm is clamped on the limiting surface.

Further, the first direction is the upper and lower direction, the second direction is the left and right directions, the insulator is in first direction is provided with a roof and a diapire relatively, a plurality of the terminal is followed first direction sets up to upper and lower two rows, same row the terminal is followed the second direction is arranged, from the roof an organic whole extends has a latch piece, from the roof in two the mounting groove is offered in the left and right sides of latch piece is used for two terminal position assurance spare installations, two terminal position assurance spare jointly keeps off the upper row the terminal, at least one the mounting groove is offered is used for installing one terminal position assurance spare is used for keeping off the lower row the terminal, each of roof with on the diapire the mounting groove runs through forward from its front edge and sets up at least a first recess, each the terminal position assurance spare corresponds first recess concave has the second recess, each the second recess with the corresponding first recess is followed the front edge the terminal position assurance spare the terminal the front end the same number of the mounting groove is located the two recess the same the terminal the front end position the certificate the front end groove the front end of the terminal has the recess.

Further, a first gap is provided between the first elastic arm and the second elastic arm of the same terminal in the second direction, and a second gap is provided between the adjacent contact portions of the same terminal in the second direction, the second gap being smaller than the first gap.

Further, a barrier is disposed between the contact portions of the two adjacent terminals, a third gap is formed between the barrier and the contact portion closest to the barrier along the second direction, the insertion space has two opposite inner wall surfaces in the second direction, a supporting member supports the electronic component along the first direction and is accommodated in the insertion space, two sides of the supporting member are respectively provided with a limiting block, and a fourth gap is formed between the limiting block and the adjacent inner wall surface along the second direction, and is smaller than the third gap.

Further, the pressing member has a base portion, the front end of the base portion is provided with a plurality of protruding portions corresponding to the plurality of first elastic arms and the plurality of second elastic arms, each protruding portion is used for pressing the first elastic arm or the second elastic arm of each terminal, and the rear portion of the base portion is opposite to the contact portion in the first direction and has a space with the contact portion.

Compared with the prior art, the application has the following beneficial effects:

1. according to the terminal, the two first elastic arms and one second elastic arm positioned between the two first elastic arms are arranged, the contact parts are arranged on the first elastic arms and the second elastic arms and are abutted against the same conductive parts of the electronic element, the contact area of each terminal and the corresponding conductive parts is increased, the contact parts are electrically connected with the same conductive parts, the contact resistance is effectively reduced, the contact transfer rate of the terminal is improved, the two first elastic arms are bent and extended towards the second elastic arms, the contact parts on the first elastic arms are prevented from deviating from the corresponding conductive parts, the contact parts of the same terminal can be concentrated and abutted against the middle positions of the conductive parts correspondingly, the contact stability of the contact parts and the corresponding conductive parts is greatly improved, the occurrence of a disconnection phenomenon is avoided, and the phenomenon that the contact parts are deviated to the adjacent conductive parts under a high-speed vibration environment can be effectively prevented.

2. The pressing piece is arranged to enable the contact part to be closely abutted against the corresponding conductive part, the contact stability of the contact part and the corresponding conductive part is improved again, and the electronic component is prevented from being separated from the insulating body.

[ description of the drawings ]

FIG. 1 is a perspective view of an electrical connector and an electrical component according to the present application;

FIG. 2 is a perspective view of the other view of FIG. 1;

FIG. 3 is an exploded view of FIG. 2;

FIG. 4 is a partial front view of FIG. 2;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

fig. 6 is a perspective view of a terminal of the present application;

FIG. 7 is a front view of FIG. 6;

FIG. 8 is a top view of the terminals of the present application in contact with an electronic component;

fig. 9 is a partial perspective view of a pressed terminal of the press of the application;

reference numerals of the specific embodiments illustrate:

[ detailed description ] of the application

For a better understanding of the application with objects, structures, features, and effects, the application will be described further with reference to the drawings and to the detailed description.

As shown in fig. 1 to 9, the electrical connector 100 of the present application defines a front-rear direction and a first direction perpendicular to the front-rear direction and a second direction perpendicular to the first direction. The front-back direction is the X direction in the figure, the X axis forward direction is the front direction, the first direction vertical to the front-back direction is the Z axis direction in the figure, the Z axis forward direction is the up direction, the second direction vertical to the first direction is the Y axis direction in the figure, the Y axis forward direction is the left direction, in this embodiment, the first direction (i.e., the Z axis direction) is the up-down direction, the second direction (i.e., the Y axis direction) is the left-right direction, in other embodiments, the first direction (i.e., the Z axis direction) may be the left-right direction, and the second direction (i.e., the Y axis direction) may be the up-down direction.

In the description of the present application, it should be noted that, if the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present application and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application.

As shown in fig. 1 to 9, an electrical connector 100 according to the present application is provided, wherein the electrical connector 100 is electrically connected to an electronic component 200 along a front-back direction, and the electronic component 200 has a plurality of conductive portions 201 arranged side by side. The electrical connector 100 of the present application includes: the insulation body 1 is provided with at least one insertion space 11 at the rear end of the insulation body 1, the insertion space 11 is used for accommodating the conductive part 201 of the electronic component 200, the insulation body 1 is provided with a plurality of terminal grooves 12 along the front-rear direction, the terminal grooves 12 are communicated with the insertion space 11, at least one mounting groove 13 is concavely arranged inwards in the first direction (namely the Z-axis direction) from one side of the insulation body 1, the mounting groove 13 is communicated with the terminal grooves 12, and each mounting groove 13 is used for correspondingly accommodating a terminal position assurance member 3. The plurality of terminals 2 are correspondingly accommodated in the plurality of terminal slots 12, each of the terminals 2 is provided with two first elastic arms 211 and a second elastic arm 241, the second elastic arm 241 is located between the two first elastic arms 211, and each of the first elastic arms 211 and the second elastic arms 241 is provided with a contact portion S for abutting against the same conductive portion 201 on the electronic component 200 along the first direction (i.e. the Z-axis direction). At least one pressing member 4 is assembled on the insulating body 1 and located on a side of the first elastic arm 211 and the second elastic arm 241 away from the insertion space 11, and the pressing member 4 presses the first elastic arm 211 and the second elastic arm 241 located in front of the contact portion S along the first direction (i.e. the Z-axis direction), so that the contact portions S of each of the terminals 2 closely abut against the same conductive portion 201.

As shown in fig. 1 to 5, two insertion spaces 11 are formed by recessing forward from the upper and lower sides of the rear end of the insulating body 1, and a plurality of terminal grooves 12 are arranged in two rows in the first direction (i.e., Z-axis direction), the terminal grooves 12 in the same row are arranged in the second direction (i.e., Y-axis direction), the terminal grooves 12 in the upper row are communicated with the insertion spaces 11 located at the upper side, and the terminal grooves 12 in the lower row are communicated with the insertion spaces 11 located at the lower side. The insulation body 1 is provided with a top wall 14 and a bottom wall 15 opposite to each other in the first direction (i.e. in the Z-axis direction), a locking piece 16 integrally extends from the top wall 14, two mounting grooves 13 are concavely formed in the first direction (i.e. in the Z-axis direction) from both sides of the top wall 14 on both sides of the locking piece 16 for mounting two terminal position assurance units 3, one mounting groove 13 is concavely formed in the first direction (i.e. in the Z-axis direction) on the bottom wall 15 for mounting one terminal position assurance unit 3, a first groove 131 is concavely formed in each mounting groove 13 on the top wall 14 from the front edge of the mounting groove 13, three first grooves 131 are concavely formed in each mounting groove 13 from the front edge of the bottom wall 15, a plurality of limiting holes 17 are formed in the front of the mounting groove 13 in the first direction (i.e. in the Z-axis direction), each limiting hole 17 is correspondingly communicated with each terminal 12, and each limiting hole 171 is a limiting structure L-shaped end 171. In other embodiments, when a plurality of the terminals 2 are provided in only one row, the insertion space 11 is provided correspondingly to one.

The insertion space 11 is used for inserting the electronic component 200, and in this embodiment, the electronic component 200 is a flexible flat cable, i.e. an FFC, and in other embodiments, the electronic component 200 may be a flexible circuit board FPC. Since the electronic component 200 is flexible, when the electronic component 200 is inserted into the insertion space 11, a supporting member 5 is added to the electronic component 200 to support the electronic component 200 to be smoothly inserted into the insertion space 11, the supporting member 5 supports the electronic component 200 along the first direction (i.e., the Z-axis direction) and is accommodated in the insertion space 11, the insulating body 1 is provided with a barrier 18 between the adjacent contact portions S of the two terminals 2, a third gap D3 exists between the barrier 18 and the contact portion S closest thereto along the second direction (i.e., the Y-axis direction), the insertion space 11 has two opposite inner wall surfaces in the second direction (i.e., the Y-axis direction), two sides of the supporting member 5 are respectively provided with a stopper 51, the stopper 51 and the adjacent inner wall surfaces have a fourth gap D4 along the second direction (i.e., the Y-axis direction), and the fourth gap D4 is smaller than the third gap D3.

As shown in fig. 3 to 9, the terminals 2 are arranged in two rows along the first direction (i.e. the Z-axis direction), the terminals 2 in the same row are arranged along the second direction (i.e. the Y-axis direction), the terminals 2 are correspondingly accommodated in the terminal slots 12, each of the terminals 2 has two first walls 21 and a second wall 22 connecting the two first walls 21, the two first walls 21 are respectively extended backward with one first elastic arm 211, and two bridge portions 23 are bent and extended from one of the first walls 21 toward the other first wall 21, an extension wall 24 is extended from the bridge portion 23 toward the second wall 22, the extension wall 24 is located between the two first walls 21, the two bridge portions 23 are arranged at intervals along the front-rear direction and form a slot 25 therebetween, the stoppers 31 of the terminal position document 3 are correspondingly inserted into the slots 25, and the stoppers are displaced backward from the front ends of the bridge portions 23 toward the rear ends of the terminals 2. Each of the terminals 2 has a cylindrical mating portion 26 located in front of the bridge portion 23 and the mating portion 26 is configured to connect with a mating terminal (not shown) of a mating connector (not shown), and an inclined latch arm 261 is formed by cutting from the mating portion 26, and a rear end of the latch arm 261 has an L-shaped structure for latching the L-shaped limiting surface 171 at a rear end of the limiting hole 17 in the front-rear direction. A spring plate 262 is bent and extended inwards from one side wall surface of the abutting portion 26, a shielding portion 263 is protruding towards the spring plate 262 from the other side wall surface adjacent to the spring plate 262, the shielding portion 263 of the upper row of the terminals 2 is located above the spring plate 262 in a first direction (i.e. in the Z-axis direction), the shielding portion 263 of the lower row of the terminals 2 is located below the spring plate 262 in the first direction (i.e. in the Z-axis direction), and the shielding portion 263 is used for blocking the spring plate 262 to prevent the spring plate 262 from excessively deflecting. A second elastic arm 241 extends backward from the extension wall 24, two first elastic arms 211 are bent and extended toward the second elastic arm 241, a contact portion S protruding from the insertion space 11 is protruding from each of the first elastic arms 211 and the second elastic arms 241 along a first direction (i.e. a Z-axis direction) perpendicular to the front-back direction, a plurality of contact portions S are arranged on the same side of the insertion space 11 along the second direction (i.e. a Y-axis direction), the contact portions S of each of the terminals 2 are configured to abut against the same conductive portion 201 on the conductive assembly along the first direction (i.e. the Z-axis direction), and a sum T1 of thicknesses of the contact portions S of each of the terminals 2 along the second direction (i.e. the Y-axis direction) is smaller than a width T2 of the conductive portion 201 along the second direction (i.e. the Y-axis direction). The first elastic arm 211 and the second elastic arm 241 have a first gap D1 along the second direction (i.e., the Y-axis direction), and the adjacent contact portions S have a second gap D2 along the second direction (i.e., the Y-axis direction), and the second gap D2 is smaller than the first gap D1. Each contact portion S has a contact surface S1 along the lower side of the first direction (i.e. the Z-axis direction), a plurality of contact surfaces S1 of each terminal 2 are located at the same height, the contact surfaces S1 are used for contacting the same conductive portion 201 of each electronic component 200, the contact portions S are formed by stamping and blanking, the blanking at the lower end of the contact portions S is formed into the contact surfaces S1, and the terminal 2 is bent behind the bridge portion 23 by stamping to form a butt joint portion 26. In the present embodiment, the terminal 2 is provided with two bridging portions 23, and in other embodiments, only one bridging portion 23 may be provided on the terminal 2, as long as the extending wall 24 is connected to the first wall 21, and the plurality of stoppers 31 of the terminal position assurance member 3 can prevent the bridging portions 23 from being displaced rearward.

As shown in fig. 1 to 4, two terminal position assurance members 3 mounted in two mounting grooves 13 of the top wall 14 are provided with a plurality of stoppers 31 protruding from the terminals 2 of the upper row corresponding to the plurality of upper rows, one terminal position assurance member 3 mounted in one mounting groove 13 of the bottom wall 15 is provided with a plurality of stoppers 31 protruding from the terminals 2 of the lower row corresponding to the plurality of lower rows, each of the terminal position assurance members 3 is provided with a second groove 32 recessed from the corresponding first groove 131, and each of the second grooves 32 is aligned with the corresponding first groove 131 in the front-rear direction. In this embodiment, the number of the first grooves 131 formed in the bottom wall 15 is three, the number of the second grooves 32 formed in the mounting groove 13 of the bottom wall 15 by recessing the terminal position assurance member 3 is correspondingly three, the three second grooves 32 are aligned with the three first grooves 131 one by one in the front-rear direction and extend continuously to guide a mating connector (not shown) for plugging engagement, the number of the first grooves 131 formed in the top wall 14 is two, the terminal position assurance members 3 disposed in the two mounting grooves 13 of the top wall 14 are each provided with one second groove 32 respectively aligned with the two first grooves 131 of the top wall 14 in the front-rear direction and extend continuously to guide a mating connector (not shown), and in order to prevent the mating connector (not shown) from plugging in the opposite direction, only the number of the second grooves 32 formed in the terminal position assurance member 3 disposed in the mounting groove 13 of the bottom wall 15 is required to be the same as the sum of the number of the second grooves 32 formed in the mounting groove 13 of the top wall 14.

As shown in fig. 3, 4, 5 and 9, two pressing members 4 are assembled in the insulating body 1, the two pressing members 4 are respectively assembled on the upper and lower sides of the insulating body 1 and are located on one side of the first elastic arm 211 and the second elastic arm 241 away from the insertion space 11, and the pressing members 4 press the first elastic arm 211 and the second elastic arm 241 located in front of the contact portion S along the first direction (i.e. the Z-axis direction), so that the contact portions S of each terminal 2 closely contact the same conductive portion 201. Each pressing member 4 has a base 41, and a plurality of protruding portions 42 are provided at a front end of the base 41 in correspondence with the plurality of first elastic arms 211 and the plurality of second elastic arms 241, each protruding portion 42 being configured to press the first elastic arms 211 and the second elastic arms 241 of each terminal 2, and a rear portion of the base 41 facing the contact portion S in the first direction (i.e., Z-axis direction) with a space therebetween. In the present embodiment, the plurality of terminals 2 are arranged in two rows, so the number of the pressing members 4 is two, so as to respectively press the first elastic arms 211 and the second elastic arms 241 of the two rows of the terminals 2, and in other embodiments, when the terminals 2 are arranged in only one row, the pressing members 4 may be arranged in one row.

The assembly sequence of the present electrical connector 100 is: a plurality of terminals 2 are inserted into the plurality of terminal grooves 12 of the insulating body 1 from the back to the front, the plurality of contact portions S of each of the terminals 2 are protruded to be positioned at the insertion space 11, and the plurality of contact portions S are arranged on the same side of the insertion space 11 in the second direction (i.e., Y-axis direction); then, the terminal position assurance member 3 is fitted into the mounting groove 13 in the first direction (i.e., the Z-axis direction), so that each stopper 31 of the terminal position assurance member 3 is inserted into each slot 25 of each terminal 2 to block rearward displacement of the bridge portion 23 at the front; then, the electronic component 200 provided with the supporting piece 5 is inserted into the insertion space 11 from back to front, and the same conductive part 201 on the electronic component 200 is abutted with a plurality of contact parts S of each terminal 2 along a first direction (namely, a Z-axis direction); finally, the two pressing members 4 are respectively inserted from the rear to the front into the outer sides of the two insertion spaces 11, and the first elastic arms 211 and the second elastic arms 241 in front of the contact portions S of the plurality of terminals 2 are pressed in the first direction (i.e., the Z-axis direction) so that the plurality of contact portions S of each of the terminals 2 closely contact the same conductive portion 201.

In summary, the electrical connector 100 of the present application has the following advantages:

(1) The terminal 2 is provided with two first elastic arms 211 and one second elastic arm 241 positioned between the two first elastic arms 211, the first elastic arms 211 and the second elastic arms 241 are respectively provided with the contact parts S which are abutted with the same conductive part 201 of the electronic component 200, so that the contact area between each terminal 2 and the corresponding conductive part 201 is increased, a plurality of contact parts S are electrically connected with the same conductive part 201, the contact resistance can be effectively reduced, the contact transfer rate of the terminal 2 is improved, the two first elastic arms 211 are bent and extended towards the second elastic arms 241, the contact parts S on the first elastic arms 211 can be prevented from deviating from the corresponding conductive parts 201, the contact parts S of the same terminal 2 can be concentrated and correspondingly abutted against the middle positions of the conductive parts 201, the contact stability between the contact parts S and the corresponding conductive parts 201 can be greatly improved, and the phenomenon that the adjacent contact parts are in short-circuited can be effectively prevented from occurring under the short-circuited condition that the contact parts 201 are in short-circuited condition; the pressing piece 4 capable of tightly abutting the contact part S against the corresponding conductive part 201 is arranged, so that the contact stability of the contact part S against the corresponding conductive part 201 is improved again, and the electronic component 200 is prevented from being separated from the insulating body 1, and the pressing piece 4 of the application does not directly press the contact part S of the terminal 2, but presses the first elastic arm 211 and the second elastic arm 241 in front of the contact part S, so that the contact part S is effectively prevented from being deviated due to the pressing of the contact part S, even elastic fatigue occurs, and the contact part S is prevented from being accurately abutted against the conductive part 201 of the electronic component 200.

(2) The contact surfaces S1 of each terminal 2 are located at the same height, so that the contact surfaces S1 of each terminal 2 can be guaranteed to be in contact with the same conductive portion 201 of each electronic component 200, the contact area between each terminal 2 and the electronic component 200 is increased, and the contact resistance of the electrical connection between the contact portions S and the same conductive portion 201 is effectively reduced.

(3) The contact surface S1 is a blanking surface formed by punching and blanking the contact portion S, the friction force of the contact surface S1 is greater than the friction force of the plate surface of the contact portion S, and the oxide on the surface of the conductive portion 201 of the electronic component 200 can be effectively removed when the electronic component 200 is inserted into the insertion space 11 to be in contact with a plurality of contact portions S, so that the electrical connection performance between the terminal 2 and the electronic component 200 is improved, and the insertion loss is smaller; and the rough blanking surface of the contact surface S1 can increase the contact normal force with the conductive portion 201 of the electronic component 200, so that the contact portion S of the terminal 2 is abutted with the conductive portion 201 of the electronic component 200 more tightly.

(4) The second gap D2 along the second direction (i.e., the Y-axis direction) between the adjacent contact portions S of the same terminal 2 is smaller than the first gap D1 along the second direction (i.e., the Y-axis direction) between the first elastic arm 211 and the second elastic arm 241 of the same terminal 2, so that the contact portions S of the terminal 2 are close to each other, and the contact portions S can be located at intermediate positions of the corresponding conductive portions 201, thereby greatly improving the contact stability between the contact portions S and the corresponding conductive portions 201, avoiding the occurrence of a disconnection phenomenon, and also effectively preventing the contact portions S from being offset to the adjacent conductive portions 201 to cause the occurrence of a short circuit phenomenon in a high-speed vibration environment.

(5) The fourth gap D4 between the stopper 51 of the supporting member 5 and the adjacent nearest inner wall surface along the second direction (i.e., the Y-axis direction) is smaller than the third gap D3 between the barrier 18 and the nearest contact portion S along the second direction (i.e., the Y-axis direction), so that the present electrical connector 100 can have a certain assembly space with the electronic component 200 in a high-speed vibration environment, so that the electronic component 200 is conveniently inserted into the insertion space 11, and the contact portion S is not deviated from the contact position of the corresponding conductive portion 201, thereby further improving the stable connection effect between the terminal 2 and the electronic component 200.

(6) The terminal position assurance member 3 is provided with a plurality of stoppers 31 corresponding to the plurality of terminals 2 and inserted into the plurality of slots 25, so that the terminal 2 can be effectively prevented from being displaced backward, the terminal 2 is always positioned in the insulating body 1, and the terminal 2 is prevented from being separated from the insulating body 1 due to high-speed vibration; meanwhile, a plurality of limiting holes 17 are concavely formed in front of the mounting groove 13 along the first direction (i.e. the Z-axis direction), and the latch arms 261 of each of the terminals 2 are configured to latch each of the limiting surfaces 171 at the rear end of each of the limiting holes 17, so as to again ensure that the terminals 2 are located in the insulating body 1.

(7) The number of the second grooves 32 recessed in the terminal position assurance member 3 located in the mounting groove 13 of the bottom wall 15 is different from the sum of the numbers of the second grooves 32 recessed in the terminal position assurance members 3 located in the two mounting grooves 13 of the top wall 14, so that the electrical connector 100 can be effectively prevented from being erroneously inserted, reversely inserted, or misplaced into the mating connector (not shown).

The above detailed description is merely illustrative of the preferred embodiments of the present application and is not intended to limit the scope of the application, therefore, all technical equivalents which may be employed in the present specification and illustrations are included in the scope of the application.

Claims (10)

1. An electrical connector for electrically connecting with an electronic component having a plurality of conductive portions disposed side by side, comprising:

the rear end of the insulating body is provided with at least one insertion space which is used for accommodating the conductive part of the electronic element, the insulating body is provided with a plurality of terminal grooves along the front-rear direction, and the terminal grooves are communicated with the insertion space;

the terminals are correspondingly accommodated in the terminal grooves, each terminal is provided with two first walls and a second wall, the two first walls are oppositely arranged, the two first walls are respectively provided with a first elastic arm in a backward extending mode, at least one bridging part is bent and extended from one first wall towards the other first wall, an extending wall is extended from the bridging part towards the second wall, the extending wall is positioned between the two first walls, a second elastic arm is bent and extended from the extending wall, the two first elastic arms are respectively bent and extended towards the second elastic arm, a contact part is protruded and extended into the insertion space from each first elastic arm and each second elastic arm along a first direction perpendicular to the front-back direction, the contact parts are arranged on the same side of the insertion space along a second direction perpendicular to the first direction, and the contact parts of the terminals are abutted against the first conductive parts of the electronic elements along the same direction;

at least one pressing piece is assembled on the insulating body and is positioned on one side of the first elastic arm and one side of the second elastic arm, which are far away from the insertion space, and the pressing piece presses the first elastic arm and the second elastic arm which are positioned in front of the contact part along the first direction, so that a plurality of contact parts of each terminal are tightly abutted against the same conductive part.

2. The electrical connector of claim 1, wherein: the first direction is an up-down direction, one side of each contact part along the first direction is provided with a contact surface, the contact surface is used for contacting with the same conductive part of each electronic element, and a plurality of contact surfaces of each terminal are positioned at the same height.

3. The electrical connector of claim 2, wherein: the contact part is formed by stamping and blanking, the blanking surface at the lower end of the contact part forms the contact surface, the terminal is bent in front of the bridging part by stamping to form a butt joint part, the butt joint part is of a cylindrical structure, a spring plate is bent and extended inwards from one side wall surface of the butt joint part, a shielding part is bent and extended from the other side wall surface adjacent to the spring plate towards the spring plate, and the shielding part is used for preventing the spring plate from excessively deflecting.

4. The electrical connector of claim 1, wherein: the sum of thicknesses of the plurality of contact portions of each of the terminals in the second direction is smaller than the width of the conductive portion in the second direction.

5. The electrical connector of claim 1, wherein: each terminal is provided with two bridging parts between the extending wall and one of the first walls, the two bridging parts are arranged at intervals along the front-back direction, a groove is formed between the two bridging parts, at least one mounting groove is concavely formed in one side of the insulating body inwards, the mounting groove is communicated with a plurality of terminal grooves and is used for correspondingly accommodating a terminal position assurance member, the terminal position assurance member is convexly provided with a plurality of stop blocks corresponding to a plurality of terminals, and the stop blocks are correspondingly inserted into the grooves so as to stop the rear ends of the bridging parts at the positions which are close to the front.

6. The electrical connector of claim 5, wherein: the insulating body is provided with a plurality of limiting holes in front of the mounting groove, each limiting hole is correspondingly communicated with each terminal groove, the rear end of each limiting hole is provided with a limiting surface, each terminal is provided with a cylindrical butt joint part, the butt joint part is positioned in front of the bridging part, an inclined buckle arm is formed by cutting the butt joint part, and the rear end of the buckle arm is clamped on the limiting surface.

7. The electrical connector of claim 6, wherein: the first direction is the upper and lower direction, the second direction is the left and right directions, the insulator is in first direction is provided with a roof and a diapire relatively, a plurality of the terminal is followed first direction sets up into upper and lower two rows, same row the terminal is followed the second direction is arranged, from the integrative extension of roof has a latch fitting, from the roof in two is offered in the left and right sides of latch fitting the mounting groove is used for supplying two terminal position assurance spare installations, two terminal position assurance spare jointly keeps off the upper row the terminal, at least one the mounting groove has been offered for installing one terminal position assurance spare is used for keeping off the terminal of lower row, each on the roof with the diapire the mounting groove runs through the recess forward from its front edge and sets up at least one first recess, each terminal position assurance spare corresponds first recess concave has the second recess, each second recess with corresponding first recess is followed the front direction the terminal position assurance spare the terminal the roof is located the second recess the same in number of recesses that the terminal position was located the recess is located the same the recess of two certificate.

8. The electrical connector of claim 1, wherein: the first elastic arm and the second elastic arm of the same terminal have a first gap along the second direction, and the adjacent contact part of the same terminal has a second gap along the second direction, wherein the second gap is smaller than the first gap.

9. The electrical connector of claim 8, wherein: the insulation body is provided with a barrier between the contact parts of two adjacent terminals, a third gap exists between the barrier and the contact part closest to the barrier along the second direction, the insertion space is provided with two opposite inner wall surfaces along the second direction, a supporting piece supports the electronic element along the first direction and is accommodated in the insertion space, two sides of the supporting piece are respectively provided with a limiting block, a fourth gap exists between the limiting block and the adjacent inner wall surface along the second direction, and the fourth gap is smaller than the third gap.

10. The electrical connector of claim 1, wherein: the pressing piece is provided with a base, the front end of the base is provided with a plurality of protruding parts corresponding to the first elastic arms and the second elastic arms, each protruding part is used for pressing the first elastic arm or the second elastic arm of each terminal, and the rear part of the base is opposite to the contact part in the first direction and is spaced from the contact part.