CN216120835U

CN216120835U - Electrical connector

Info

Publication number: CN216120835U
Application number: CN202121567321.1U
Authority: CN
Inventors: 金左锋
Original assignee: Lotes Co Ltd
Current assignee: Lotes Co Ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2022-03-22
Anticipated expiration: 2031-07-09

Abstract

The utility model discloses an electric connector for electrically connecting a first butt-joint element to a second butt-joint element, which comprises: the insulation body is provided with a first side wall and a second side wall, the first side wall is provided with a first containing groove, the second side wall is provided with a second containing groove, an inserting space is formed between the first side wall and the second side wall, the first terminal is obliquely inserted into the first containing groove from one side of the first side wall, which deviates from the inserting space, to the direction of the second side wall, the first terminal is provided with a first contact part and a first guide connection part, the second terminal is obliquely inserted into the second containing groove from one side of the second side wall, which deviates from the inserting space, to the direction of the first side wall, and the second terminal is provided with a second contact part and a second guide connection part; the first contact part and the first connecting part are correspondingly and electrically connected with the first butt-joint element and the second butt-joint element, and/or the second contact part and the second connecting part are correspondingly and electrically connected with the first butt-joint element and the second butt-joint element, and the electric signal is conducted from the first butt-joint element to the second butt-joint element to form a signal transmission path without bifurcation.

Description

Electrical connector

[ technical field ] A method for producing a semiconductor device

The present invention relates to an electrical connector, and more particularly, to an electrical connector capable of transmitting high-speed signals.

[ technical background ] A method for producing a semiconductor device

Chinese application No. CN201921801428.0 discloses an electrical connector capable of transmitting high-speed signals, which includes a plurality of first terminals and a plurality of second terminals accommodated in an insulating housing, wherein the first terminal and the second terminal are fixed to the insulating housing through a first terminal seat and a second terminal seat which are separated from the insulating housing, the second terminal is vertically inserted into the insulating housing from bottom to top, and the second terminal is fixed to the insulating housing through a pressing strip.

In the above structure, there are the following problems:

1. for the first embodiment, the first terminal and the second terminal both need to be folded back to allow the terminal base to enter into the clamping and fixing structure, so that the conductive path of the terminal is long and is not beneficial to transmitting high-speed signals;

2. for the second embodiment, the first terminal is vertically inserted into the insulating body from bottom to top, and is fixed with the insulating body only through the interference fit of the fixing thorn, and when the pressure of the plate end clamp is applied, the first terminal is easy to loosen and separate from the insulating body downwards.

Therefore, there is a need for a new electrical connector to overcome the above problems.

[ Utility model ] content

The utility model aims to provide an electric connector capable of transmitting high-speed signals.

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

an electrical connector for electrically connecting a first mating component to a second mating component, comprising: the insulation body is provided with a first side wall and a second side wall which are oppositely arranged, the first side wall is provided with at least one first accommodating groove, the second side wall is provided with at least one second accommodating groove, an inserting space is formed between the first side wall and the second side wall, the first butt joint element is inserted into the inserting space along a first direction, and the first accommodating groove and the second accommodating groove are communicated with the inserting space; the first terminal is obliquely inserted into the first accommodating groove from one side of the first side wall, which is far away from the plugging space, to the direction of the second side wall, and comprises a first fixing part, an elastic arm formed by extending from one side of the first fixing part and a first guide connecting part formed by extending from the other side of the first fixing part, wherein the elastic arm is provided with a first contact part, and the first contact part protrudes out of the plugging space; the second terminal is obliquely inserted into the second accommodating groove from one side of the second side wall, which is far away from the plugging space, to the direction of the first side wall, and comprises a second fixing part, a second contact part and a second guide connection part, wherein the second contact part extends from one side of the second fixing part, the second guide connection part extends from the other side of the second fixing part, and the second contact part protrudes into the plugging space; the first contact portion is electrically connected with the first docking element, the first conducting portion is electrically connected with the second docking element, an electric signal is conducted from the first docking element to the second docking element through the first terminal to form a signal transmission path without bifurcation, and/or the second contact portion is electrically connected with the first docking element, the second conducting portion is electrically connected with the second docking element, and an electric signal is conducted from the first docking element to the second docking element through the second terminal to form a signal transmission path without bifurcation.

Further, the insulating body further includes a main body portion extending from the main body portion to the second direction to form the first side wall and the second side wall, the first side wall and the second side wall are disposed at an interval from top to bottom, the first side wall, the second side wall and the main body portion enclose the insertion space, the main body portion is provided with at least one third accommodating groove, the third accommodating groove is communicated with the first accommodating groove, the third accommodating groove includes a first groove wall and a second groove wall opposite to the first groove wall and disposed at an interval, the first groove wall and the second groove wall are formed in the main body portion by extending from top to bottom and inclining towards the first direction, the first accommodating groove penetrates through the first side wall in the top-to-bottom direction, and the first terminal is inserted into the first accommodating groove and the third accommodating groove from top to bottom, the first fixing part is located between the first groove wall and the second groove wall.

Furthermore, the elastic arm extends from the first fixing portion to the inserting space in an inclined manner, the elastic arm is accommodated in the first accommodating groove, the first contact portion protrudes from the elastic arm to the inserting space in the direction of the second side wall, the first fixing portion is accommodated in the third accommodating groove, and the first guide portion protrudes downwards to protrude out of the third accommodating groove.

Further, in the first direction, a first stopping portion is disposed on a side of the first slot wall close to the first receiving slot, the first butt-joint element is electrically connected to the electrical connector, and the first stopping portion cooperates with the first fixing portion to stop the first terminal from separating from the insulating body upward.

Further, in the first direction, a second blocking portion is disposed on a side of the first slot wall away from the first receiving slot, the first mating component is electrically connected to the electrical connector, and the second blocking portion cooperates with the first fixing portion to block the first terminal from being separated from the insulating body upward.

Further, in the first direction, a third blocking portion is disposed on a side of the second slot wall away from the first accommodating slot, and the third blocking portion cooperates with the first fixing portion to block the first terminal from being separated from the insulating body downward.

Further, the second receiving groove penetrates through the second side wall in the vertical direction, the second receiving groove includes a first inner wall and a second inner wall opposite to the first inner wall and arranged at an interval, the first inner wall and the second inner wall are formed in the second side wall by extending from bottom to top in an inclined manner in the first direction, the second terminal is inserted into the second receiving groove from bottom to top, and the second fixing portion is located between the first inner wall and the second inner wall.

Further, in the first direction, a first abutting portion is arranged on one side, close to the inserting space, of the first inner wall, a second abutting portion is arranged on one side, far away from the first accommodating groove, of the first inner wall, the second fixing portion is located between the second abutting portion and the second inner wall and is in interference fit with the second abutting portion to fix the second terminal to the insulating body, the first butt-joint element is electrically connected with the electric connector, and the second contact portion abuts against the second abutting portion downwards.

Furthermore, a plurality of first terminals are accommodated in the insulating body, the first terminals comprise at least one first signal terminal and at least one first ground terminal positioned on at least one side of the first signal terminal, the electric connector further comprises a metal piece, the metal piece comprises a shielding part and an overlapping part integrally formed with the shielding part, the shielding part shields the first side wall and the main body part, the overlapping part is electrically connected with the first ground terminal, at least one notch is arranged on one side of the main body part, which deviates from the plugging space, the notch corresponds to the first ground terminal, and the overlapping part penetrates through the notch and is electrically connected with the first ground terminal.

Furthermore, the first terminal and the second terminal are blanking terminals formed by directly punching a metal plate, the first fixing part protrudes towards the first direction so as to be in interference fit with the first accommodating groove, the second fixing part protrudes towards the second direction so as to be in fit limit with the second accommodating groove, the first fixing part forms a continuous surface at one side deviating from the first direction, and the second fixing part forms another continuous surface at one side deviating from the second direction.

Compared with the prior art, the utility model has the following beneficial effects:

the first terminal is obliquely inserted into the first receiving groove from top to bottom, and the second terminal is obliquely inserted into the second receiving groove from bottom to top, so that the first terminal and the second terminal do not need to be provided with a folded section, and can be abutted and fixed with the insulating body only by the obliquely arranged first terminal and the obliquely arranged second terminal, so that the first terminal and the second terminal cannot be easily separated from the insulating body due to the abutting force of the first abutting element, and meanwhile, the length of a conductive path between the first terminal and the second terminal can be reduced to the minimum, thereby being beneficial to high-speed signal transmission.

The first butt-joint element is inserted into the inserting space, the first terminal and the second terminal are respectively pressed upwards and downwards by the first butt-joint element, at the moment, the first terminal which is obliquely arranged upwards abuts against the first stopping part and the second stopping part in the first accommodating groove, the second terminal downwards abuts against the first abutting part in the second accommodating groove, and therefore the positive force of the first terminal and the second terminal is supplemented, the electrical connection between the first butt-joint element and the second terminal is stable, and the terminals cannot be separated from the insulating body.

The first terminal and the second terminal are inclined towards the first direction and the second direction correspondingly, so that the first terminal and the second terminal are arranged in the insulating body in a splayed shape, a signal transmission path passing through the first terminal and a signal transmission path passing through the second terminal are transmitted towards the direction gradually far away from each other, crosstalk between signal transmission paths in the electric connector is reduced, and high-speed transmission of signals is facilitated.

The first terminal and the second terminal are blanking terminals formed by directly punching a metal plate, one side of the first fixing part protrudes towards the first direction so as to be matched with the first accommodating groove in a blocking mode, the other side of the first fixing part forms a continuous surface, one side of the second fixing part protrudes towards the second direction so as to be matched with the second accommodating groove for limiting, the other side of the second fixing part forms another continuous surface, and the other side of the terminal is fixed with the insulating body in a blocking or interference mode only at one side of the terminal, so that the other side of the terminal is the continuous surface.

The metal plate is used for covering the surface of one side of the first side wall, which is far away from the plugging space, and the surface of one side of the main body part, which is far away from the plugging space, so that the signal loss of the electric connector during signal transmission can be reduced, the first terminal can be prevented from upwards separating from the insulating body, and the metal plate is lapped with the first grounding terminal, so that the first grounding terminal is connected in series, and the crosstalk between the first signal terminals is further reduced.

The first slot wall is provided with a second blocking part at one side far away from the first containing slot, when the first butting element is electrically connected with the electric connector, the second blocking part upwards blocks the first fixing part, so that when the first terminal is subjected to upward abutting force of the first butting element, the first terminal can be elastically deformed by taking the abutting position of the second blocking part and the first fixing part as a fulcrum, the forward force of the terminal is increased, and the electrical connection is more stable.

[ description of the drawings ]

FIG. 1 is an exploded view of the electrical connector of the preferred embodiment of the present invention;

FIG. 2 is a perspective assembly view of the electrical connector of FIG. 1;

FIG. 3 is a schematic view of a terminal according to the preferred embodiment of the present invention;

FIG. 4 is a front view of the electrical connector of FIG. 2;

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

FIG. 6 is a cross-sectional view taken along B-B of FIG. 4 with the first docking element unplugged;

FIG. 7 is a cross-sectional view taken along B-B of FIG. 4 with the first docking element mated therewith;

FIG. 8 is a cross-sectional view taken along C-C of FIG. 4 with the first docking element unplugged;

FIG. 9 is a cross-sectional view taken along line C-C of FIG. 4 with the first docking element mated therewith;

[ detailed description ] embodiments

For a better understanding of the objects, structure, features, and functions of the utility model, reference should be made to the drawings and detailed description that follow.

For ease of understanding, a first direction, a second direction, and an up-down direction are projected into an XYZ coordinate system, the up-down direction being represented by a Z axis (where a positive direction of the Z axis is an upward direction), the first direction being represented by a positive direction of an X axis (where a positive direction of the X axis is the first direction), and the second direction being represented by a negative direction of the X axis.

As shown in fig. 1 to 9, the electrical connector 100 according to the preferred embodiment of the present invention is used to electrically connect a first mating component 200 to a second mating component 300, in the present embodiment, the first mating component 200 is preferably a module card, the second mating component 300 is preferably a printed circuit board, although in other embodiments, the first mating component 200 and the second mating component 300 may be other components, the electrical connector 100 includes an insulating body 1 and a plurality of first terminals 2 and a plurality of second terminals 3 accommodated in the insulating body 1, the insulating body 1 is made of an insulating plastic material, and the first terminals 2 and the second terminals 3 are both formed by stamping on a metal plate made of a conductive material.

As shown in fig. 1, 5 and 8, the insulating housing 1 includes a main body 13, and a first sidewall 11 and a second sidewall 12 extending from the main body 13 to the second direction, the first sidewall 11 and the second sidewall 12 are spaced apart from each other in the vertical direction, and the main body 13, the first sidewall 11 and the second sidewall 12 enclose to form a plug space P, the plug space P is used for being matched and plugged with the first butt-joint element 200, the plug space P is located between the first side wall 11 and the second side wall 12 in the up-down direction, the first side wall 11 is provided with a plurality of first receiving grooves 111 for receiving the first terminals 2, the second side wall 12 is provided with a plurality of second receiving grooves 121 for receiving the second terminals 3, the main body 13 is provided with a plurality of third receiving grooves 131 which are in one-to-one correspondence with the plurality of first receiving grooves 111.

As shown in fig. 5 to 7, each of the first receiving slots 111 penetrates the first sidewall 11 in the vertical direction, each of the third receiving slots 131 includes a first slot wall 1311 and a second slot wall 1314, the first slot wall 1311 and the second slot wall 1314 are disposed opposite to each other and spaced apart from each other in the first direction, the first slot wall 1311 and the second slot wall 1314 are both formed by extending from the top to the bottom of the body 13 and inclining towards the first direction, the first slot wall 1311 is provided with a first stop 1312 on a side close to the first receiving slot 111, the first slot wall 1311 is provided with a second stop 1313 on a side far from the first receiving slot 111, and the second slot wall 1314 is provided with a third stop 1315 on a side far from the first receiving slot 111.

As shown in fig. 8 to 9, the second receiving slots 121 penetrate through the second side wall 12 in the vertical direction, each of the second receiving slots 121 includes a first inner wall 1211 and a second inner wall 1212, the first inner wall 1211 and the second inner wall 1212 are disposed opposite to and spaced apart from each other in the first direction, a first abutting portion 1213 is disposed on a side of the first inner wall 1211 close to the inserting space P, and a second abutting portion 1214 is disposed on a side of the first inner wall 1211 away from the inserting space P.

As shown in fig. 6 and 8, each of the first terminals 2 is received in one of the first receiving grooves 111 and one of the third receiving grooves 131, each of the second terminals 3 is received in one of the second receiving grooves 121, each of the first terminals 2 includes a first fixing portion 21, a spring arm 22 and a first guiding portion 23, the spring arm 22 has a first contact portion 221, the first guiding portion 23 is formed by extending from the first fixing portion 21 in an inclined manner in the first direction, the spring arm 22 is formed by extending from the first fixing portion 21 in an inclined manner in the insertion space P, wherein the spring arm 22 is received in the first receiving groove 111 and the first contact portion 221 protrudes downward in the insertion space P to be electrically connected to the first mating component 200, and the first fixing portion 21 is received in the third receiving groove 131, the first connecting portion 23 protrudes downward out of the third receiving slot 131 and protrudes out of the insulating housing 1, so as to be electrically connected to the second docking element 300; each of the second terminals 3 includes a second fixing portion 31, a second contact portion 32 and a second conductive portion 33, the second conductive portion 33 is formed by extending the second fixing portion 31 in the second direction in an inclined manner, and protrudes downward out of the second receiving groove 121 to protrude out of the insulating housing 1, so as to be electrically connected to the second mating element 300, and the second contact portion 32 is formed by extending the second fixing portion 31 in the first direction in an inclined manner, and protrudes upward out of the inserting space P, so as to be electrically connected to the first mating element 200.

As shown in fig. 1, 6 and 8, the first terminal 2 is inserted into the first receiving slot 111 and the third receiving slot 131 from top to bottom, the second terminal 3 is inserted into the second receiving slot 121 from bottom to top, the first fixing portion 21 is located between the first slot wall 1311 and the second slot wall 1314, and the first fixing portion 21 and the third blocking portion 1315 are blocked and held in fit, so as to prevent the first terminal 2 from being excessively mounted downward, and avoid the damage of the spring arm 22 due to excessive mounting, the second fixing portion 31 is located between the second inner wall 1212 and the second blocking portion 1214, and one side of the second terminal 3 abuts against the second inner wall 1212, so that the other side of the second terminal 3 and the second blocking portion 1214 are in interference fit, so as to fix the second terminal 3 to the insulating body 1.

As shown in fig. 6 and 7, the first docking element 200 is electrically connected to the second docking element 300 through the electrical connector 100, the first docking element 200 abuts the first terminal 2 upwards to make the first fixing portion 21 abut the first stopping portion 1312 and the second stopping portion 1313 upwards to prevent the first terminal 2 from being separated from the insulating body 1 upwards, in other words, the first stopping portion 1312 abuts the first fixing portion 21 downwards to increase the positive force of the first terminal 2, the second stopping portion 1313 abuts the first fixing portion 21 downwards to make the position where the first fixing portion 21 abuts the second stopping portion 1313 form a fulcrum, the portion of the second fixing portion 31 above the fulcrum can be elastically deformed upwards from the fulcrum to further increase the positive force of the first terminal 2, the electrical connection between the first terminal 2 and the first docking element 200 is more stable, and the electrical signal is conducted from the first docking element 200 to the second docking element 300 through the first terminal 2 to form a signal transmission path without branch.

As shown in fig. 8 and 9, the first docking element 200 is electrically connected to the second docking element 300 through the electrical connector 100, the first docking element 200 abuts the second terminal 3 downward, the second contact portion 32 elastically deforms downward, and the second contact portion 32 abuts the first abutting portion 1213, so as to prevent the second terminal 3 from being detached from the insulating body 1 downward, in other words, the first abutting portion 1213 abuts the second contact portion 32 upward, so as to increase the forward force of the second terminal 3, so that the electrical connection between the first docking element 200 and the second terminal 3 is more stable, and an electrical signal forms a signal transmission path without bifurcation from the first docking element 200 to the second docking element 300 through the second terminal 3.

As shown in fig. 4 and 5, the plurality of first terminals 2 include a plurality of first signal terminals 2S and a plurality of first ground terminals 2G, at least one side of each of the first signal terminals 2S is provided with one first ground terminal 2G, the electrical connector 100 further includes a metal member 4, the metal member 4 is formed by bending and punching a metal plate, the metal member 4 includes a shielding portion 41 and a bridging portion 42, the bridging portion 42 is formed by bending and extending downward from the shielding portion 41, the shielding portion 41 shields the first side wall 11 and the main body portion 13, so as to reduce the dissipation of internal signals and the interference of external signals, in the first direction, the main body portion 13 is provided with a plurality of slots 132 on a side away from the plugging space P corresponding to the plurality of first ground terminals 2G, one bridging portion 42 passes through one slot 132 and is electrically connected to one first ground terminal 2G, therefore, the first ground terminals 2G are connected in series, so that crosstalk between signal transmission paths inside the electrical connector 100 is reduced, and the signal transmission performance of the electrical connector 100 is improved.

As shown in fig. 3, 6 and 8, the first terminal 2 and the second terminal 3 are disposed in a shape of a Chinese character 'ba', the first terminal 2 and the second terminal 3 are both blanking terminals formed by directly stamping a metal plate, one side of the first fixing portion 21 protrudes in a step shape toward the first direction to be matched with the first receiving groove 111 in a blocking manner, one side of the second fixing portion 31 protrudes in a step shape toward the second direction to be matched with the second receiving groove 121 for limiting, so that the other side of the first fixing portion 21 forms a continuous surface, the other side of the second fixing portion 31 forms another continuous surface, so that the first terminal 2 and the second terminal 3 have better signal continuity during signal transmission, further, the first fixing portion 21 and the second fixing portion 31 protrude relatively to be fixed with the insulating body 1, therefore, the signal dissipation at the first fixing portion 21 and the second fixing portion 31 can be reduced, and the impedance of the terminal can be optimized by the stepped protruding design, so that the impedance of the terminal is continuous, thereby improving the signal transmission performance of the electrical connector 100.

In summary, the connector of the present invention has the following advantages:

1. the first terminal 2 is inserted into the first receiving cavity 111 from top to bottom in an inclined manner, and the second terminal 3 is inserted into the second receiving cavity 121 from bottom to top in an inclined manner, so that the first terminal 2 and the second terminal 3 do not need to be provided with a folded section, and can be abutted and fixed with the insulating body 1 only by the first terminal 2 and the second terminal 3 which are obliquely arranged, so that the first terminal 2 and the second terminal 3 are not easily separated from the insulating body 1 due to the abutting force of the first abutting element 200, and the length of the conductive path between the first terminal 2 and the second terminal 3 is minimized, thereby facilitating high-speed signal transmission.

2. The first docking element 200 is inserted into the insertion space P, the first terminal 2 and the second terminal 3 are respectively pressed by the first docking element 200 upwards and downwards, at this time, the first terminal 2 arranged obliquely upwards abuts against the first stopping portion 1312 and the second stopping portion 1313 in the first receiving groove 111, and the second terminal 3 downwards abuts against the first abutting portion in the second receiving groove 121, so as to supplement the positive force of the first terminal 2 and the second terminal 3, so that the electrical connection between the first terminal 2 and the second terminal 3 is stable and the terminals cannot be separated from the insulating body 1.

3. The first terminal 2 and the second terminal 3 are respectively inclined towards the first direction and the second direction, so that the first terminal 2 and the second terminal 3 are arranged in the insulating body 1 in a splayed shape, and thus, a signal transmission path passing through the first terminal 2 and a signal transmission path passing through the second terminal 3 are transmitted towards a direction gradually far away from each other, thereby reducing crosstalk between signal transmission paths inside the electric connector 100 and facilitating high-speed transmission of signals.

4. The first terminal 2 and the second terminal 3 are blanking terminals directly stamped and formed by a metal plate, one side of the first fixing portion 21 protrudes in the first direction to be matched with the first accommodating groove 111 in a blocking manner, the other side of the first fixing portion 21 forms a continuous surface, one side of the second fixing portion 31 protrudes in the second direction to be matched with the second accommodating groove 121 for limiting, the other side of the second fixing portion 31 forms another continuous surface, and the other side of the terminal is fixed with the insulating body 1 in a blocking or interference manner only on one side of the terminal, so that the other side of the terminal is a continuous surface.

5. The metal plate is used for covering a surface of one side of the first sidewall 11 away from the plugging space P and a surface of one side of the main body 13 away from the plugging space P, so that not only can the signal dissipation of the electrical connector 100 during signal transmission be reduced, but also the first terminal 2 can be prevented from being separated from the insulating body 1 upwards, and the metal plate is lapped with the first ground terminal 2G, so as to connect the first ground terminal 2G in series and further reduce the crosstalk between the first signal terminals 2S.

6. The first groove wall 1311 is provided with a second blocking portion 1313 on a side away from the first receiving groove 111, when the first mating element 200 is electrically connected to the electrical connector 100, the second blocking portion 1313 blocks the first fixing portion 21 upwards, so that when the first terminal 2 is subjected to an upward abutting force of the first mating element 200, the first terminal 2 can be elastically deformed with a position where the second blocking portion 1313 abuts against the first fixing portion 21 as a fulcrum, thereby increasing a forward force of the terminal, and the electrical connection is more stable.

The above detailed description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the scope of the present invention, therefore, all technical changes that can be made by applying the present specification and drawings are included in the scope of the present invention.

Claims

1. An electrical connector for electrically connecting a first mating component to a second mating component, comprising:

the insulation body is provided with a first side wall and a second side wall which are oppositely arranged, the first side wall is provided with at least one first accommodating groove, the second side wall is provided with at least one second accommodating groove, an inserting space is formed between the first side wall and the second side wall, the first butt joint element is inserted into the inserting space along a first direction, and the first accommodating groove and the second accommodating groove are communicated with the inserting space;

the first terminal is obliquely inserted into the first accommodating groove from one side of the first side wall, which is far away from the plugging space, to the direction of the second side wall, and comprises a first fixing part, an elastic arm formed by extending from one side of the first fixing part and a first guide connecting part formed by extending from the other side of the first fixing part, wherein the elastic arm is provided with a first contact part, and the first contact part protrudes out of the plugging space;

the second terminal is obliquely inserted into the second accommodating groove from one side of the second side wall, which is far away from the plugging space, to the direction of the first side wall, and comprises a second fixing part, a second contact part and a second guide connection part, wherein the second contact part extends from one side of the second fixing part, the second guide connection part extends from the other side of the second fixing part, and the second contact part protrudes into the plugging space;

the first contact portion is electrically connected with the first docking element, the first conducting portion is electrically connected with the second docking element, an electric signal is conducted from the first docking element to the second docking element through the first terminal to form a signal transmission path without bifurcation, and/or the second contact portion is electrically connected with the first docking element, the second conducting portion is electrically connected with the second docking element, and an electric signal is conducted from the first docking element to the second docking element through the second terminal to form a signal transmission path without bifurcation.

2. The electrical connector of claim 1, wherein: the insulating body further comprises a main body part, the main body part extends towards the second direction to form the first side wall and the second side wall, the first side wall and the second side wall are arranged at intervals up and down, the first side wall, the second side wall and the main body part are arranged to surround to form the splicing space, the main body part is provided with at least one third accommodating groove, the third accommodating groove is communicated with the first accommodating groove, in the first direction, the third accommodating groove comprises a first groove wall and a second groove wall which is opposite to the first groove wall and is arranged at intervals, the first groove wall and the second groove wall are formed in the main body part in a way that the first groove wall and the second groove wall extend obliquely from top to bottom towards the first direction, the first accommodating groove penetrates through the first side wall from top to bottom, and the first terminal is inserted into the first accommodating groove and the third accommodating groove from top to bottom, the first fixing part is located between the first groove wall and the second groove wall.

3. The electrical connector of claim 2, wherein: the elastic arm extends obliquely from the first fixing part to the inserting space, the elastic arm is contained in the first containing groove, the first contact part extends towards the inserting space from the elastic arm in a protruding mode in the direction of the second side wall, the first fixing part is contained in the third containing groove, and the first guide connecting part extends out of the third containing groove in a protruding mode.

4. The electrical connector of claim 2, wherein: in the first direction, a first stopping portion is disposed on a side of the first slot wall close to the first accommodating slot, the first butt-joint element is electrically connected to the electrical connector, and the first stopping portion is matched with the first fixing portion to stop the first terminal from being separated from the insulating body upwards.

5. The electrical connector of claim 2, wherein: in the first direction, a second blocking portion is disposed on a side of the first slot wall away from the first accommodating slot, the first mating component is electrically connected to the electrical connector, and the second blocking portion cooperates with the first fixing portion to block the first terminal from being separated from the insulating body.

6. The electrical connector of claim 2, wherein: in the first direction, a third stopping portion is arranged on one side, far away from the first accommodating groove, of the second groove wall, and the third stopping portion is matched with the first fixing portion to stop the first terminal from being excessively mounted downwards.

7. The electrical connector of claim 1, wherein: the second accommodating groove penetrates through the second side wall in the vertical direction, in the second direction, the second accommodating groove comprises a first inner wall and a second inner wall opposite to the first inner wall and arranged at an interval, the first inner wall and the second inner wall are formed in the second side wall in a manner of obliquely extending from bottom to top in the first direction, the second terminal is inserted into the second accommodating groove from bottom to top, and the second terminal is located between the first inner wall and the second inner wall.

8. The electrical connector of claim 7, wherein: in the first direction, a first abutting portion is arranged on one side, close to the inserting space, of the first inner wall, a second abutting portion is arranged on one side, far away from the first accommodating groove, of the first inner wall, the second fixing portion is located between the second abutting portion and the second inner wall and is in interference fit with the second abutting portion to fix the second terminal on the insulating body, the first butting element is electrically connected with the electric connector, and the second contact portion abuts against the second abutting portion downwards.

9. The electrical connector of claim 1, wherein: the insulating body accommodates a plurality of first terminals, the first terminals comprise at least one first signal terminal and at least one first grounding terminal positioned on at least one side of the first signal terminal, the electric connector further comprises a metal piece, the metal piece comprises a shielding part and an overlapping part integrally formed with the shielding part, the shielding part covers the first side wall and the main body part, the main body part is provided with at least one slot on one side deviating from the plugging space, the slot corresponds to the first grounding terminal, and the overlapping part penetrates through the slot and is electrically connected with the first grounding terminal.

10. The electrical connector of claim 1, wherein: the first terminal and the second terminal are blanking terminals formed by directly punching a metal plate, one side of the first fixing part protrudes towards the first direction so as to be matched with the first accommodating groove in a blocking manner, the other side of the first fixing part forms a continuous surface, one side of the second fixing part protrudes towards the second direction so as to be matched with the second accommodating groove for limiting, and the other side of the second fixing part forms another continuous surface.