CN213660706U - Electrical connector - Google Patents

Abstract

The utility model discloses an electric connector, the first isolation portion of spacer and the first roof and two second roofs of two second isolation portions and first casing are equallyd divide and are do not set up with insulator's first insulation portion and two second insulation portions relatively, it is located the upper and lower both sides of first isolation portion and all accepts in first insulation portion to go up row terminal and lower row terminal, insulator is located the space that first casing and second casing fixed connection formed, the buckle arm and second insulation portion buckle fixed connection that second isolation portion set up through it, the spacer has been assembled the back, pass through laser spot welding fixed connection with second roof and second isolation portion, can avoid two second isolation portions and two roofs to upwarp, make electric connector's structure more firm, the stability of electric connector operation has further been improved.

Description

Electrical connector

Technical Field

The utility model relates to a power electronic technology field, concretely relates to electric connector.

Background

When the conventional I/0 connector structure is assembled, firstly, the spacer is riveted on the insulating body through the riveting jig, the upper iron shell is riveted on the insulating body and the spacer, and the lower iron shell is bent through the jig and assembled with the upper iron shell. The two sides of the assembled spacer are not buckled with the insulation body, so that the upper warping phenomenon is easy to occur, the lower iron shell can rebound after the lower iron shell is bent by adopting a jig, the lower iron shell and the upper iron shell are not buckled and leveled, the upper warping phenomenon of the iron shell can also occur, and in actual operation, the spacer and the lower iron shell are easy to deform due to the upward warping phenomenon, so that the operation stability is reduced; go up and do not connect through the lock between iron casing and the insulator, lead to easily that the iron casing drops, need the manual work to push down the iron casing and assemble when carrying out follow-up iron casing equipment down, this makes the unable assembly line work that uses of connector equipment, has reduced the stability and the packaging efficiency of operation.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an electric connector through the buckle arm with spacer and insulator fixed connection and through laser spot welding and first casing fixed connection, can avoid spacer and first casing upwarp for electric connector's structure is more firm, has improved the stability of electric connector operation.

An embodiment of the utility model provides an electric connector, electric connector includes:

the insulation body comprises a first insulation part and second insulation parts arranged at two ends of the first insulation part;

the isolating sheet comprises a first isolating part and second isolating parts, wherein the first isolating part is partially accommodated in the first insulating part, the second isolating parts are arranged at two ends of the first isolating part, the first isolating part and the two second isolating parts are respectively arranged opposite to the first insulating part and the two second insulating parts, a clamping arm is arranged on each second isolating part, and the clamping arm is fixedly connected with the second insulating parts in a clamping manner;

the upper row of terminals and the lower row of terminals are accommodated in the insulating body and are positioned at the upper side and the lower side of the first isolating part;

the first shell comprises a first top plate and second top plates arranged at two ends of the first top plate, the first top plate and the two second top plates are respectively arranged opposite to the first insulating part and the two second insulating parts, and the second top plates and the second insulating parts are fixedly connected through laser spot welding;

the second shell is fixedly connected with the first shell in a buckling mode, and the insulating body is contained between the first shell and the second shell.

Furthermore, a groove is formed in the surface, away from the first shell, of the second insulating portion, and one end, away from the second isolating portion, of the clamping arm is contained in the groove.

Further, the buckle arm is hook-shaped.

Further, the buckle arm is provided with a plurality of.

Furthermore, at least one clamping hole is formed in the surface, close to the first shell, of the first insulating part;

the first top plate is provided with at least one clamping piece, and the clamping piece is buckled in the clamping hole.

Furthermore, a clamping block is arranged on the surface, close to the first shell, of the first insulating portion, a clamping hole is formed in the first top plate, and the clamping block is contained in the clamping hole.

Furthermore, the transverse outer sides of the two second top plates are respectively provided with a first connecting sheet extending towards the direction close to the second shell, the two sides of the second shell are provided with second connecting sheets extending towards the direction close to the first shell, the first connecting sheet and the second connecting sheet are respectively provided with a buckle and a clamping groove, and the buckle is contained in the clamping groove.

Furthermore, two sides of the second shell are respectively provided with an extension part, the extension parts are partially attached to the first top plate, and the extension parts are fixedly connected with the first top plate through laser spot welding.

Further, the second housing includes a bottom plate disposed between the two extensions;

the extension part comprises a bottom wall extending outwards from two transverse ends of the bottom plate, a first side wall extending from the tail end of the bottom wall to the direction of the first shell, and a top wall extending inwards from the tail end of the first side wall in a transverse direction;

wherein the top wall part is attached to the first top plate, and the top wall is fixedly connected with the first top plate through laser spot welding.

Furthermore, the extension portion further comprises a second side wall arranged between the top wall and the bottom wall, the second side wall is located between the second connecting piece and the first side wall, the bottom wall, the first side wall, the top wall and the second side wall surround to form an accommodating cavity, the top wall, the bottom wall and the second side wall are respectively provided with an elastic sheet, and the tail end of the elastic sheet extends towards the inside of the accommodating cavity.

The spacing block of the electric connector of the embodiment is fixedly connected with the buckle of the insulating body through the buckle arm arranged on the spacing block, and after the spacing block is assembled, the first shell and the spacing block are fixedly connected through laser spot welding, so that the spacing block and the first shell can be prevented from upwarping, the structure of the electric connector is firmer, and the operation stability of the electric connector is further improved.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:

fig. 1 is a first schematic structural diagram of an electrical connector according to an embodiment of the present invention;

fig. 2 is a second schematic structural diagram of the electrical connector according to the embodiment of the present invention;

fig. 3 is an exploded schematic view of an electrical connector according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a first housing according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a spacer according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of an insulating body according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a second housing according to an embodiment of the present invention;

fig. 8 is a first schematic connection diagram of the upper row of terminals, the lower row of terminals, the spacer and the insulating body according to the embodiment of the present invention;

fig. 9 is a second schematic connection diagram of the upper row of terminals, the lower row of terminals, the spacer and the insulating body according to the embodiment of the present invention;

fig. 10 is a schematic connection diagram of the first housing, the spacer and the insulating body according to the embodiment of the present invention;

fig. 11 is a schematic view of the connection of the first housing and the second housing of the embodiment of the present invention;

fig. 12 is a schematic structural view of a spacer and a base according to an embodiment of the present invention.

Detailed Description

The present invention will be described below based on examples, but the present invention is not limited to only these examples. In the following detailed description of the present invention, certain specific details are set forth in detail. It will be apparent to those skilled in the art that the present invention may be practiced without these specific details. Well-known methods, procedures, components and circuits have not been described in detail so as not to obscure the present invention.

Further, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.

Unless the context clearly requires otherwise, throughout the description, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, what is meant is "including, but not limited to".

In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are intended to be inclusive and mean that, for example, they may be fixedly connected or detachably connected or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Fig. 1-12 are schematic structural views of the electrical connector of the present embodiment. The electric connector is used for being in butt joint fit with the butting connector so as to realize information transmission or current transmission. As shown in fig. 1 to 3, the electrical connector includes an insulative housing 1, a spacer 2, an upper row of terminals 3, a lower row of terminals 4, a first housing 5, and a second housing 6. The upper row of terminals 3 and the lower row of terminals 4 are disposed on the insulating body 1 through the spacer 2, and the terminals of the butting connector are butted with the upper row of terminals 3 and the lower row of terminals 4 of the electric connector of the embodiment, so that the two terminals are electrically connected.

Specifically, the insulating body 1 includes a first insulating portion 11 and two second insulating portions 12, and the two second insulating portions 12 are respectively disposed on both sides of the first insulating portion 11, as shown in fig. 6. In the present embodiment, two second insulating portions 12 are respectively disposed on both sides of the first insulating portion 11 in the length direction, and the two second insulating portions 12 extend outward from one side of the first insulating portion 11 in the width direction, as shown in fig. 6. In the present embodiment, the thickness of the second insulating portion 12 is smaller than that of the first insulating portion 11, so that the first insulating portion 11 can accommodate the upper row terminals 3, the lower row terminals 4, and part of the separator 2. In this embodiment, the insulating body 1 is used to form a supporting framework of an electrical connector, so that the upper row terminal 3 and the lower row terminal 4 of the electrical connector are electrically connected to a charging plug, respectively.

The spacer 2 includes a first isolation portion 21 and two second isolation portions 22, and the two second isolation portions 22 are respectively disposed at two sides of the first isolation portion 21 in the length direction, as shown in fig. 5. In the present embodiment, two second isolation portions 22 are respectively disposed on two sides of the first isolation portion 21 in the length direction, and the two second isolation portions 22 extend outward from one side of the first isolation portion 21 in the width direction, as shown in fig. 5. The first isolation portion 21 and the two second isolation portions 22 are respectively disposed opposite to the first insulation portion 11 and the two second insulation portions 12, the first isolation portion 21 is partially contained in the first insulation portion 11, and the two second isolation portions 22 are respectively attached above the two second insulation portions 12 and fixedly connected to the second insulation portions 12, as shown in fig. 8 and 9.

In this embodiment, the electrical connector further includes a base portion 7, and the first isolation portion 21 passes through the middle of the base portion 7, as shown in fig. 12. The base 7 is made of an insulating material. Preferably, the base 7 is injection molded.

Specifically, the first isolation portion 21 is provided with two connecting arms 211 and a plurality of inserting pieces 212 extending outwards on a side away from the second isolation portion 22, as shown in fig. 5. The two connecting arms 211 are symmetrically disposed on two sides of the first isolation portion 21, and the plurality of inserting pieces 212 are disposed between the two connecting arms 211. In this embodiment, two connecting arms 211 and a plurality of tabs 212 are located on the outside of the base 7, as shown in fig. 12.

The top and the bottom of the base 7 are respectively provided with a plurality of limiting grooves 71 arranged side by side, the outer side of the base 7 is convexly provided with two connecting columns 72, and the two connecting columns 72 are arranged between the inserting sheet 212 and the connecting arm 211, as shown in fig. 12.

The first insulating portion 11 includes a plurality of insertion holes 111, two fixing holes 112 and two connection holes 113, wherein the insertion holes 111, the two fixing holes 112 and the two connection holes 113 are arranged side by side, the two connection holes 113 are located at two sides of the first insulating portion 11, the plurality of insertion holes 111 are located between the two connection holes 113, and the two fixing holes 112 are respectively located between the insertion holes 111 and the connection holes 113, as shown in fig. 6. Wherein, the insertion holes 111 and the connection holes 113 penetrate along the width direction of the first insulating portion 11, and the number of the insertion holes 111 is the same as that of the insertion pieces 212. The positions of the insertion holes 111, the fixing holes 112 and the connecting holes 113 correspond to the positions of the insertion pieces 212, the connecting columns 72 and the connecting arms 211 one by one respectively.

When the first isolation portion 21 and the base portion 7 are connected to the first insulation portion 11, the plurality of insertion pieces 212 are respectively inserted into the plurality of insertion holes 111 of the first insulation portion 11, the two connection arms 211 are respectively inserted into the two connection holes 113 to abut against the inner wall of the first insulation portion 11, the two connection posts 72 are respectively inserted into the two fixing holes 112, and meanwhile, the two side portions of the base portion 7 are inserted into the two connection holes 113, so that the first isolation portion 21 is fixedly connected to the first insulation portion 11, as shown in fig. 8 and 9. After the first isolation portion 21 is connected to the first insulating portion 11, the base portion 7 is located outside the first insulating portion 11 and bonded to the outer side surface of the first insulating portion 11.

In the present embodiment, two rows of receiving grooves 114 are formed in the first insulating portion 11 along the thickness direction, the two rows of receiving grooves 114 penetrate the first insulating portion 11 along the width direction, and the two rows of receiving grooves 114 are respectively symmetrically disposed on the upper and lower sides of the insertion hole 111, as shown in fig. 6. The two rows of receiving grooves 114 are respectively located above and below the base 7, and the two rows of receiving grooves 114 are respectively and correspondingly communicated with the two rows of limiting grooves 71 at the top and the bottom of the base 7. The upper row terminals 3 and the lower row terminals 4 extend from the two rows of the retainer grooves 71 of the base 7 into the two rows of the receiving grooves 114 of the first insulating portion 11, respectively, as shown in fig. 8 and 9. One end of the upper row terminal 3 and the lower row terminal 4 is positioned in the limiting groove 71, and the other end abuts against the inner wall of the accommodating groove 114. Preferably, the two rows of receiving grooves 114 of the first insulating portion 11 are symmetrically arranged, so that the upper row terminals 3 and the lower row terminals 4 arranged in the two rows of receiving grooves 114 are symmetrically arranged. The upper row terminal 3 and the lower row terminal 4 are used for being electrically connected with a charging plug, so that current or signal transmission is realized.

Further, a snap arm 23 is disposed on the second isolation portion 22, and the second insulation portion 12 is provided with a groove 13 corresponding to the snap arm 23 and fixedly connected with a snap, as shown in fig. 5 and 6. Specifically, the latch arm 23 is bent downward along one side of the first insulating portion 11 in the length direction to form a hook-shaped structure, a groove 13 is formed on the surface of the second insulating portion 12 away from the first housing 5, and one end of the latch arm 23 away from the second isolating portion 22 is accommodated in the groove 13. The second isolation part 22 and the second insulation part 12 are connected with the groove 13 in a buckling mode through the buckling arm 23, then the buckling arm 23 is riveted in place through the riveting jig, the second isolation part 22 can be prevented from warping upwards to cause product deformation, and the operation efficiency of the first shell 5 and the second shell 6 in subsequent assembly and the operation stability of the electric connector are improved.

In the present embodiment, the snap arm 23 is disposed on the opposite side of the two second isolation portions 22 and far away from the first isolation portion 21, and correspondingly, the groove 13 is recessed on the opposite side of the two second isolation portions 12 and far away from the first isolation portion 11. The number of the snap arms 23 and the grooves 13 is not limited and can be set according to requirements. Preferably, the two second isolation portions 22 and the two second insulation portions 12 are respectively and correspondingly provided with at least one snap arm 23 and the groove 13, so that the two second isolation portions 22 can be prevented from being warped.

The first housing 5 includes a first top plate 51 and two second top plates 52, and the two second top plates 52 are disposed on both sides of the first top plate 51 in the length direction and extend outward in the width direction, as shown in fig. 4. The first top plate 51 and the two second top plates 52 are disposed opposite to the first insulating portion 11 and the two second insulating portions 12, respectively. The first top plate 51 covers the first insulating portion 11, and the two second top plates 52 are respectively attached to the two second isolation portions 22 and fixedly connected by laser spot welding, as shown in fig. 10. The second top plate 52 and the second isolation portion 22 are fixedly connected through laser spot welding, so that the second top plate 52 can be effectively prevented from upwarping, and the product is firmer. In this embodiment, the positions of the welding points and the number of the welding points of the second top plate 52 and the second isolation portion 22 can be set according to specific requirements, and are not described herein again.

Further, the first top board 51 is provided with a locking hole 54 and at least one locking piece 53, as shown in fig. 4. Wherein, the locking hole 54 is arranged at the middle position of the first top board 51, and the locking piece 53 is bent downwards along one side of the length direction of the first top board 51. Correspondingly, the surface of the first insulating portion 11 close to the first housing 5 is provided with a latch 15 and a latch hole 14, as shown in fig. 6. The latch 15 is disposed at a middle position of the first insulating portion 11. The latch 15 is protruded on the surface of the first insulating portion 11, and is connected to the latch hole 54 of the first top plate 51 in a matching manner, and the latch piece 53 extends downward into the latch hole 14, as shown in fig. 10. The first top plate 51 is connected with the first insulating portion 11 through the clamping block 15, the clamping hole 54, the clamping hole 14 and the clamping piece 53 in a clamping mode, the first shell 5 can be prevented from rotating, meanwhile, the gap between the first shell 5 and the first insulating portion 11 is small, the first shell 5 and the first insulating portion 11 are combined more tightly, the stability of products is effectively improved, manual pressing actions are reduced, and operation is smoother. Furthermore, the buckling structure facilitates seamless welding of the second top plate 52 and the second isolation portion 22, so that welding spots of laser welding are attractive, welding force is better, and poor spot welding breakdown is reduced.

The shape of the latch 15 is adapted to the shape of the latch hole 54, and the length and width of the latching piece 53 are adapted to the depth and width of the latching hole 14, so that the first housing 5 can be prevented from shaking relative to the insulating body 1 to affect the working efficiency and the product yield. Further, the number of the latch 15 and the retaining hole 14 and the number of the latch hole 54 and the retaining piece 53 may be set as required. Preferably, at least one catching piece 53 is respectively disposed on both sides of the first top plate 51, and the catching holes 14 corresponding to the catching pieces 53 are respectively disposed on both sides of the first insulating portion 11, so that both sides of the first top plate 51 can be prevented from being upwarped.

The second housing 6 is fixedly connected with the first housing 5 to form a cavity, and the insulation body 1 is accommodated in the cavity formed by the first housing 5 and the second housing 6, as shown in fig. 1 and 2. In this embodiment, the first housing 5 is located above the insulating body 1, and the second housing 6 is located below the insulating body 1 and is partially bent upward to be fixedly connected with the first housing 5.

Specifically, the second housing 6 includes a bottom plate 65 and two extending portions 63, and the two extending portions 63 extend outwards along two longitudinal sides of the bottom plate 65, respectively located on two longitudinal sides of the first insulating portion 11, as shown in fig. 7. The bottom plate 65 is attached to the bottom surface of the first insulating portion 11, and the length of the bottom plate 65 is the same as that of the first insulating portion 11. The two extending portions 63 extend from both sides of the bottom plate 65 and partially abut against the first top plate 51, and are fixedly connected by laser spot welding. The second shell 6 and the first shell 5 are welded together through laser, and the problem that the two sides of the second shell 6 upwarp to cause poor size and appearance can be avoided.

The extension 63 includes a bottom wall 631 extending outward from both ends in the transverse direction (longitudinal direction) of the bottom plate 65, a first side wall 632 extending from the end of the bottom wall 631 toward the first housing 5, and a top wall 633 extending inward in the transverse direction from the end of the first side wall 632, as shown in fig. 7. Wherein, the top wall 633 partially abuts against the first top plate 51, and the top wall 633 and the first top plate 51 are fixedly connected through laser spot welding, thereby improving the stability of the connection of the two housings.

The extension portion 63 further includes a second side wall 634 disposed between the top wall 633 and the bottom wall 631, wherein the second side wall 634 is close to the first side wall 632 and is located on a side of the second insulating portion 12 close to the first insulating portion 11. The bottom wall 631, the first side wall 632, the top wall 633, the second side wall 634 and the outer side wall of the first insulating portion 11 enclose a receiving cavity 64 therebetween, as shown in fig. 1. The accommodating cavity 64 is used for accommodating structures such as magnets and the like and preventing current leakage. Further, the top wall 633, the bottom wall 631 and the second side wall 634 are respectively provided with a spring piece 66, and a tip of the spring piece 66 extends towards the inside of the receiving cavity 64 for fixing a magnet and the like.

Further, the two second top plates 52 have first connecting pieces 55 extending in the direction approaching the second casing 6 on the lateral outer sides thereof, and second connecting pieces 61 extending in the direction approaching the first casing 5 on both sides of the second casing 6, as shown in fig. 4 and 7. Wherein the first connecting piece 55 and the second connecting piece 61 are located outside the second insulating part 12 in the length direction, as shown in fig. 2. That is, the second side wall 634 is between the second connecting piece 61 and the extension 63.

Specifically, the first connecting tab 55 is bent downward from one side of the second top sheet 52 to be attached to the outer side wall of the second insulating portion 12, as shown in fig. 10. The first connecting piece 55 is provided with a buckle 56 protruding outwards, and the buckle 56 has elasticity. The second connecting piece 61 is bent upward from one side of the bottom plate 65 to fit the corresponding first connecting piece 55, as shown in fig. 11. The second connecting sheet 61 is provided with a clamping groove 62, and after the second connecting sheet 61 is attached to the first connecting sheet 55, the buckle 56 is accommodated in the clamping groove 62, so that the second shell 6 and the first shell 5 are buckled and connected. The stability between two casings is increased by the buckling mode, so that the product is more stable in strength. The second shell 6 and the first shell 5 are welded together through laser after being buckled, so that the buckling force of the second shell and the first shell is more stable, and the two shells are prevented from opening and falling off.

In this embodiment, the first housing 5 and the second housing 6 are metal housings, and can be used for grounding in connection with a ground wire of a connection terminal, thereby preventing an accident caused by leakage of the housing of the electrical connector.

The utility model provides an electric connector's spacing block passes through the buckle arm that sets up on it and insulator buckle fixed connection, and the spacing block is assembled the back, passes through laser spot welding fixed connection with first casing and spacing block, can avoid the both sides of spacing block and the both sides of first casing to upwarp for electric connector's structure is more firm, has further improved the stability of electric connector operation.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. An electrical connector, comprising:

the insulation body (1) comprises a first insulation part (11) and second insulation parts (12) arranged at two ends of the first insulation part (11);

the isolation sheet (2) comprises a first isolation part (21) and second isolation parts (22), wherein the first isolation part (21) is partially accommodated in the first insulation part (11), the second isolation parts (22) are arranged at two ends of the first isolation part (21), the first isolation part (21) and the two second isolation parts (22) are respectively arranged opposite to the first insulation part (11) and the two second insulation parts (12), a clamping arm (23) is arranged on each second isolation part (22), and the clamping arm (23) is fixedly connected with the second insulation parts (12) in a clamping manner;

the upper row of terminals (3) and the lower row of terminals (4) are accommodated in the insulating body (1) and are positioned at the upper side and the lower side of the first isolating part (21);

the first shell (5) comprises a first top plate (51) and second top plates (52) arranged at two ends of the first top plate (51), the first top plate (51) and the two second top plates (52) are respectively arranged opposite to the first insulating part (11) and the two second insulating parts (12), and the second top plates (52) are fixedly connected with the second insulating parts (22) through laser spot welding;

the second shell (6) is fixedly connected with the first shell (5) in a buckling mode, and the insulating body (1) is contained between the first shell (5) and the second shell (6).

2. The electrical connector of claim 1, wherein a groove (13) is formed on a surface of the second insulating portion (12) away from the first housing (5), and an end of the snap arm (23) away from the second isolation portion (22) is received in the groove (13).

3. Electrical connector according to claim 1 or 2, characterized in that the snap arms (23) are hook-shaped.

4. Electrical connector according to claim 1 or 2, characterized in that the snap arm (23) is provided in plurality.

5. The electrical connector of claim 1, wherein the surface of the first insulating portion (11) adjacent to the first housing (5) is provided with at least one retaining hole (14);

the first top plate (51) is provided with at least one clamping piece (53), and the clamping piece (53) is buckled in the clamping hole (14).

6. The electrical connector according to claim 5, wherein a latch (15) is disposed on a surface of the first insulating portion (11) close to the first housing (5), the first top plate (51) is provided with a latch hole (54), and the latch (15) is received in the latch hole (54).

7. The electrical connector of claim 1, wherein the two second top plates (52) have first connecting plates (55) extending toward the second housing (6) on the lateral outer sides thereof, the second housing (6) has second connecting plates (61) extending toward the first housing (5) on both sides thereof, the first connecting plates (55) and the second connecting plates (61) are respectively provided with a buckle (56) and a clamping groove (62), and the buckle (56) is accommodated in the clamping groove (62).

8. The electrical connector according to claim 7, wherein the second housing (6) has extensions (63) on both sides, the extensions (63) partially abut against the first top plate (51), and the extensions (63) are fixedly connected to the first top plate (51) by laser spot welding.

9. The electrical connector of claim 8, wherein the second housing (6) comprises a base plate (65) disposed between the two extensions (63);

the extension part (63) comprises a bottom wall (631) extending outwards from two transverse ends of the bottom plate (65), a first side wall (632) extending from the tail end of the bottom wall (631) to the direction of the first shell (5), and a top wall (633) extending inwards from the tail end of the first side wall (632);

wherein the top wall (633) partially abuts against the first top plate (51), and the top wall (633) is fixedly connected with the first top plate (51) through laser spot welding.

10. The electrical connector of claim 9, wherein the extending portion (63) further comprises a second side wall (634) disposed between the top wall (633) and the bottom wall (631), the second side wall (634) is disposed between the second connecting piece (61) and the first side wall (632), the bottom wall (631), the first side wall (632), the top wall (633), and the second side wall (634) enclose an accommodating cavity (64), the top wall (633), the bottom wall (631), and the second side wall (634) are respectively provided with a spring piece (66), and a tip of the spring piece (66) extends toward an inside of the accommodating cavity (64).

Images