CN110890643B

CN110890643B - Power supply terminal assembly

Info

Publication number: CN110890643B
Application number: CN201911035450.3A
Authority: CN
Inventors: 金左锋
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2021-04-23
Anticipated expiration: 2039-10-29
Also published as: CN110890643A

Abstract

The invention discloses a power terminal assembly, comprising: the first terminal is provided with a first main body and a first guide connecting piece connected to the first main body in a guide mode, the first main body comprises a first surface and a second surface which are arranged oppositely, the first guide connecting piece is provided with a first installation part which is installed and connected to the first main body in a guide mode, and a first elastic arm which extends from the first installation part to the second surface is formed in an extending mode; the second terminal, dock with first terminal and form electric connection, be equipped with the second main part and lead and connect in the second of second main part and lead the union piece, the second main part is including the third surface and the fourth surface that set up relatively, the third surface upwards contacts the second surface, the second is led the union piece and is equipped with the installation and lead and connect in the second installation department of second main part, extend from the second installation department and form the second that sets up towards third surface extension from the fourth surface, the second plays the first main part of the upwards elasticity butt of arm, first elasticity arm elasticity butt second main part downwards, increase area of contact, be favorable to the transmission of heavy current.

Description

Power supply terminal assembly

[ technical field ] A method for producing a semiconductor device

The present invention relates to a power terminal assembly, and more particularly, to a power terminal assembly for transmitting a large current.

[ background of the invention ]

A current power supply terminal subassembly, including a first power supply terminal and with a first power supply terminal butt joint forms an electric connection's a second power supply terminal, first power supply terminal with the second power supply terminal passes through a bolt and locks each other, first power supply terminal includes a first base member, first base member is flat-plate-shaped setting, first base member is including an upper surface and a lower surface that sets up mutually, the second power supply terminal includes a second base member, the second base member is flat-plate-shaped setting, the second base member is including a top surface and a bottom surface of relative setting, the top surface upwards butt the lower surface.

However, the first power terminal and the second power terminal are locked with each other by the bolt, and if the locking force is small, the first power terminal and the second power terminal are easily separated from each other without being connected together, so that a momentary interruption phenomenon occurs; if the locking force is large, the two ends of the first base body and the second base body are easy to tilt up, so that the contact area between the first power supply terminal and the second power supply terminal is reduced, and the transmission of large current is easily influenced.

Therefore, there is a need for a new power terminal assembly that overcomes the above problems.

[ summary of the invention ]

In view of the problems faced by the background art, the present invention is made to provide a power terminal assembly that increases the contact area between a first terminal and a second terminal.

In order to achieve the purpose, the invention adopts the following technical means:

a power terminal assembly comprising: the first terminal is provided with a first main body and at least one first guide connecting piece connected to the first main body in a guide mode, the first main body comprises a first surface and a second surface which are arranged oppositely in the vertical direction, the first guide connecting piece is provided with a first mounting part, the first mounting part is mounted and connected to the main body in a guide mode, a first elastic arm extends from the first mounting part to form a first elastic arm, and the first elastic arm extends from the first surface to the second surface; a second terminal, with first terminal butt joint forms electric connection, be equipped with a second main part and lead connect in the union piece is led to an at least second of second main part, the second main part includes a third surface and a fourth surface that sets up relatively in the upper and lower direction, the upward contact of third surface the second surface, the second is led the union piece and is equipped with a second installation department, the installation of second installation department and lead connect in the second main part, certainly the second installation department extends and forms a second and plays the arm, the second plays the arm and follows the fourth surface court the third surface extends the setting, the second plays the arm elasticity butt that makes progress first main part, first bullet arm elasticity butt downwards the second main part.

Further, before the first terminal is mated with the second terminal, the first spring arm passes downward over the second surface, and the second spring arm passes upward over the third surface.

Further, the first body and the second body are both in a flat plate shape, the first elastic arm is elastically abutted to the third surface downwards, and the second elastic arm is elastically abutted to the second surface upwards.

Further, the first terminal and the second terminal are identical in structure and are formed by applying the same set of die.

Furthermore, the first guide connecting piece and the second guide connecting piece are both of a blanking type structure, and the first guide connecting piece and one of the second guide connecting pieces are located on the same vertical plane.

Further, the first main body is provided with a first groove which is formed by downwards concave from the first surface, the first installation part is downwards installed on the first groove, the second main body is provided with a second groove which is formed by upwards concave from the fourth surface, and the second installation part is upwards installed on the second groove.

Further, the first groove penetrates through the second surface downwards, the first mounting portion is abutted against the second main body downwards, the second groove penetrates through the third surface upwards, and the second mounting portion is abutted against the first main body upwards.

Further, the first mounting portion includes a first base and a first positioning portion extending downward from the first base, the first positioning portion is fixed to the first groove and abuts against the third surface downward, the first elastic arm extends from the first base, at least one side of the first base abuts against the first surface downward, the second mounting portion includes a second base and a second positioning portion extending downward from the second base, the second positioning portion is fixed to the second groove and abuts against the second surface upward, the second elastic arm extends from the second base, and at least one side of the second base abuts against the fourth surface upward.

Further, the first installation part and the second installation part are arranged in a staggered mode and are not in mutual contact.

Further, the first mounting portion and the second mounting portion are in contact with each other in the vertical direction.

Further, the first main body is provided with a first through groove which penetrates through the first main body from top to bottom, the first elastic arm penetrates through the first through groove downwards and is elastically abutted to the third surface, the second main body is provided with a second through groove which penetrates through the second main body from top to bottom, and the second elastic arm penetrates through the second through groove downwards and is elastically abutted to the second surface.

Further, the first guide connecting pieces are arranged in a plurality of and arranged side by side, each first guide connecting piece is provided with at least one first protrusion formed by extending towards the adjacent one of the first guide connecting pieces, the first protrusions enable the first elastic arms of the adjacent two first guide connecting pieces to form a gap, the second guide connecting pieces are arranged in a plurality of and arranged side by side, each second guide connecting piece is provided with at least one second protrusion formed by extending towards the adjacent one of the second guide connecting pieces, and the second protrusions enable the second elastic arms of the adjacent two second guide connecting pieces to form a gap.

Further, the power terminal assembly further comprises at least one fixing piece, the first main body and the second main body are respectively provided with at least one locking hole, and the fixing piece is inserted into the locking hole to lock the first terminal and the second terminal.

Furthermore, the left side and the right side of the fixing piece are respectively provided with a first guide connection unit, each first guide connection unit comprises a plurality of first guide connection pieces which are arranged side by side left and right and a plurality of second guide connection pieces which are arranged side by side left and right, one side of the left side and the right side of the fixing piece is formed by extending the first elastic arm forwards, the second elastic arm is formed by extending the second elastic arm backwards, the other side of the left side and the right side of the fixing piece is formed by extending the first elastic arm backwards, and the second elastic arm is formed by extending the second elastic arm forwards.

Furthermore, the first guide connecting pieces and the second guide connecting pieces of the first guide connecting unit are the same in number and are in one-to-one correspondence with each other from top to bottom.

Furthermore, both sides are equipped with a second respectively around the holding piece and lead and connect the unit, the second leads and connects the unit including a plurality of side by side around and a plurality of first guide and a plurality of side by side around and the second guide, one side in both sides around the holding piece, first bullet arm extends the formation left, the second bullet arm extends the formation right, the opposite side in both sides around the holding piece, first bullet arm extends the formation right, the second bullet arm extends the formation left.

Further, the first body comprises a front end face, the first elastic arm goes forwards to cross the front end face and is elastically abutted with the third surface downwards, the second body comprises a rear end face, and the second elastic arm goes backwards to cross the rear end face and is abutted with the second surface upwards.

Further, the first terminal further comprises a first cable, the first cable is located behind the first main body and is in conductive connection with the first main body, the second terminal further comprises a second cable, and the second cable is located in front of the second main body and is in conductive connection with the second main body.

Compared with the prior art, the power terminal assembly has the following beneficial effects:

the first terminal is provided with the first body and the first guide piece arranged on the first body, the second terminal and the first terminal are mutually butted to form electric connection, the second terminal is provided with the second body and the second guide piece arranged on the second body, the first elastic arm of the first guide piece extends from the first body to the second body and is elastically abutted downwards against the second body, the second elastic arm of the second guide piece extends from the second body to the first body and is elastically abutted upwards against the first body, except the contact area of the first body and the second body, the contact area of the first elastic arm of the first guide piece and the second body and the contact area of the second elastic arm of the second guide piece and the first body are increased, the transmission of heavy current is facilitated, and stable electrical connection is achieved.

[ description of the drawings ]

FIG. 1 is a perspective assembly view of a first embodiment of a power terminal assembly of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a partial enlarged view of B in FIG. 3;

FIG. 5 is an exploded perspective view of FIG. 1;

FIG. 6 is a front view of the first and second guides of FIG. 5 after installation;

fig. 7 is a perspective assembly view of a second embodiment of a power terminal assembly of the present invention.

FIG. 8 is a top view of FIG. 7;

FIG. 9 is a cross-sectional view taken along line C-C of FIG. 8;

FIG. 10 is an enlarged view of a portion of FIG. 9 taken along line D;

FIG. 11 is an exploded perspective view of FIG. 7;

FIG. 12 is a front view of the first and second guides of FIG. 11 after installation;

FIG. 13 is an enlarged view of a portion E of FIG. 12;

fig. 14 is a partial enlarged view of F in fig. 12.

Detailed description of the embodiments reference is made to the accompanying drawings in which:

power terminal assembly 100	Front end direction X	Left and right direction Y	Up and down direction Z
				First terminal 1	First body 11	First surface 111	Second surface 112
Front end face 113	Left end face 114	Right end face 115	First groove 116
				First through groove 117	First wire fixing part 12	First guide connecting piece 13	First mounting part 131
First base 1311	First positioning portion 1312	First elastic arm 132	First contact portion 1321
				First protrusion 133	First cable 14	Second terminal 2	Second body 21
Third surface 211	Fourth surface 212	Rear end face 213	Second groove 214
				Second through slot 215	Second wire fixing part 22	Second guide 23	Second mounting part 231
Second base 2311	Second positioning portion 2312	Second elastic arm 232	Second contact 2321
				Second projection 233	Second cable 24	First locking hole H1	Second locking hole H2
Holder
	3	Screw 31	Nut 32

[ detailed description ] embodiments

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

As shown in fig. 1 to 6, in the first embodiment of the power terminal assembly 100 according to the present invention, the power terminal assembly 100 includes a first terminal 1 and a second terminal 2 butted with the first terminal 1 to form an electrical connection, the first terminal 1 is attached to the second terminal 2 downward, the first terminal 1 and the second terminal 2 are butted to form an electrical connection, the first terminal 1 and the second terminal 2 are respectively provided with at least one locking hole, wherein the locking hole on the first terminal 1 is a first locking hole H1, the locking hole on the second terminal 2 is a second locking hole H2, the power terminal assembly 100 further includes at least one retaining member 3, in the present embodiment, one retaining member 3 is provided, and only one locking hole is provided on each corresponding first terminal 1 and corresponding second terminal 2. The first locking hole H1 is aligned downward with the second locking hole H2, and the retainer 3 passes through the first locking hole H1 and the second locking hole H2 to lock the first terminal 1 and the second terminal 2 to each other. For convenience of understanding the drawings, the front-back direction is defined as an X direction, the left-right direction is defined as a Y direction, and the up-down direction is defined as a Z direction, and the front-back direction X, the left-right direction Y, and the up-down direction Z are perpendicular to each other in pairs.

As shown in fig. 5 and 6, the first terminal 1 includes a first main body 11, a plurality of first guiding members 13, a first wire fixing portion 12 and a first cable 14.

As shown in fig. 5 and 6, the first body 11 is made of a metal material, is configured in a flat plate shape, and has a first surface 111 and a second surface 112 oppositely arranged in the vertical direction, a left end surface 114 and a right end surface 115 oppositely arranged in the left-right direction, and a front end surface 113, wherein the first surface 111 is located above the second surface 112, and the front end surface 113 vertically connects the first surface 111 and the second surface 112, and horizontally connects the left end surface 114 and the right end surface 115.

As shown in fig. 5 and 6, the first locking hole H1 is disposed on the first main body 11 and vertically penetrates the first main body 11, and the first locking hole H1 is located at a substantially middle position of the first main body 11.

As shown in fig. 5 and 6, the first body 11 is provided with a plurality of first grooves 116, the first grooves 116 vertically penetrate through the first surface 111 and the second surface 112, the first grooves 116 are located behind the front end surface 113, the first grooves 116 are located on the left and right sides of the first locking hole H1, the first grooves 116 are aligned with the first locking hole H1 in the left and right direction, the first grooves 116 on the left and right sides of the first locking hole H1 are symmetrically arranged with respect to the first locking hole H1, and the first grooves 116 on the same side of the first locking hole H1 are spaced and arranged in parallel.

As shown in fig. 1, 2 and 5, the first guide members 13 are guided to the first body 11.

As shown in fig. 2, 4 and 6, the first guiding member 13 is formed by blanking a metal plate, and includes a first mounting portion 131, where the first mounting portion 131 is mounted and guided to the first main body 11, in this embodiment, the first mounting portions 131 are respectively located at left and right sides of the first locking hole H1, each first mounting portion 131 has a first base portion 1311 and a first positioning portion 1312 extending downward from the first base portion 1311, each first positioning portion 1312 is fixed to one of the first grooves 116, in this embodiment, the first positioning portion 1312 is fixed to the first main body 11 by riveting, but the first positioning portion 1312 and the first main body 11 may also be fixed together by other manners, such as welding, laser, and the like. The first base 1311 abuts the first surface 111 downward at both front and rear sides of the corresponding first positioning portion 1312. The first guide pieces 13 on the same side of the first locking hole H1 are equally spaced in the left-right direction and are arranged in parallel to each other. In other embodiments, one of the front and rear sides of the first positioning portion 1312 of the first base portion 1311 may abut the first surface 111 downward.

As shown in fig. 1, 4 and 6, a first elastic arm 132 extends forward from the first base 1311, and the first elastic arm 132 extends from the first surface 111 toward the second surface 112 and forward beyond the front end surface 113, the first elastic arm 132 is provided with a first contact portion 1321, and the first contact portion 1321 is located in front of the front end surface 113. The first contact portion 1321 is positioned downward beyond the second surface 112 before the first terminal 1 is mated with the second terminal 2.

As shown in fig. 1, 3 and 4, the first wire fixing portion 12 is integrally connected to the first body 11 forward, that is, the first body 11 and the first wire fixing portion 12 are made of the same metal material, and the first wire fixing portion 12 fixes the first cable 14, so that the first cable 14 is located behind the first body 11 and electrically connected to the first body 11.

As shown in fig. 1, 3 and 5, the second terminal 2 includes a second body 21, a plurality of second guiding members 23, a second wire fixing portion 22 and a second cable 24.

As shown in fig. 4, 5 and 6, the second body 21 is made of a metal material, and has the third surface 211 and the fourth surface 212 which are oppositely arranged in the vertical direction, and a rear end surface 213 which connects the third surface 211 and the fourth surface 212 in the vertical direction, the third surface 211 is located above the fourth surface 212, the first base 1311 is located in front of the rear end surface 213, the third surface 211 abuts against the second surface 112 upward, the first positioning portion 1312 passes through the second surface 112 and abuts against the third surface 211 downward, and the first contact portion 1321 abuts against the third surface 211 elastically downward.

As shown in fig. 5 and 6, the second locking hole H2 is provided in the second body 21 and vertically penetrates the second body 21, and the second locking hole H2 is located at a substantially middle position of the second body 21.

As shown in fig. 5 and 6, the second body 21 is provided with a plurality of second grooves 214, the second grooves 214 vertically penetrate the third surface 211 and the fourth surface 212, the second grooves 214 are located in front of the rear end surface 213, the plurality of second grooves 214 are respectively located on the left and right sides of the second locking hole H2, the second grooves 214 are aligned with the second locking hole H2 in the left-right direction, and the second grooves 214 on the left and right sides of the second locking hole H2 are symmetrically arranged with respect to the second locking hole H2. The plurality of second grooves 214 correspond to the plurality of first grooves 116 one by one up and down, and the second grooves 214 communicate with the corresponding first grooves 116 up and down, but the second grooves 214 are staggered with the corresponding first grooves 116 in the front and rear direction, that is, not aligned up and down completely.

As shown in fig. 1, 2 and 3, the second guide members 23 are guided to the second body 21.

As shown in fig. 2, fig. 4 and fig. 5, the second guiding member 23 is formed by blanking a metal plate, and includes a second mounting portion 231, the second mounting portion 231 is mounted and guided to the second main body 21, and is a plurality of the second mounting portion 231 is respectively located at the left and right sides of the second locking hole H2, and is aligned with the second locking hole H2 in the left and right direction, and the first mounting portion 131 is substantially aligned with the second mounting portion 231 in the up and down direction. Each of the second mounting portions 231 has a second base portion 2311 and a second positioning portion 2312 extending downward from the second base portion 2311, each of the second positioning portions 2312 is fixed to one of the second grooves 214 and abuts against the second surface 112 upward, the first positioning portions 1312 and the corresponding second positioning portions 2312 contact with each other in the vertical direction and are electrically connected to each other, in this embodiment, the second positioning portions 2312 are fixed to the second main body 21 by riveting, but the second positioning portions 2312 and the second main body 21 may also be fixed together by other manners, such as welding, laser, and the like. The second base 2311 abuts the fourth surface 212 downward at both front and rear sides of the second positioning portion 2312. In other embodiments, one of the front and rear sides of the second base 2311 corresponding to the second positioning portions 2312 may abut the fourth surface 212 downward.

As shown in fig. 1, 4 and 6, a second elastic arm 232 extends backward from the second base 2311, the second elastic arm 232 extends from the fourth surface 212 toward the third surface 211 and backward beyond the rear end surface 213, the second elastic arm 232 is provided with a second contact portion 2321, and the second contact portion 2321 is located behind the rear end surface 213. The second contact portion 2321 passes upward over the third surface 211 before the first terminal 1 is mated with the second terminal 2.

As shown in fig. 1, 3 and 4, the second fixing portion 22 is integrally connected to the second body 21 forward, that is, the second body 21 and the second fixing portion 22 are made of the same metal material, the second fixing portion 22 fixes the second cable 24, and the second cable 24 is located in front of the second body 21 and electrically connected to the second body 21.

As shown in fig. 1, 3 and 6, the holder 3 includes a screw 31 and a nut 32 engaged with the screw 31, and the screw 31 is inserted into the first locking hole H1 and the second locking hole H2 and the nut 32 to lock the first body 11 and the second body 21.

As shown in fig. 7 to 14, a second embodiment of the power terminal assembly 100 according to the present invention is different from the first embodiment in that: the first main body 11 further includes a plurality of first through grooves 117, the first through grooves 117 all penetrate through the first surface 111 and the second surface 112 from top to bottom, the plurality of first grooves 116 and the plurality of first through grooves 117 are respectively enclosed in the first locking hole H1 and are uniformly distributed, in this embodiment, four first grooves 116 and four first through grooves 117 are respectively disposed, one first groove 116 and one first through groove 117 are located on the left side of the first locking hole H1, one first groove 116 and one first through groove 117 are located on the right side of the first locking hole H1, one first groove 116 and one first through groove 117 are located on the front side of the first locking hole H1, one first groove 116 and one first through groove 117 are located on the rear side of the first locking hole H1, and the first groove 116 and the first through groove 117 in the left and right sides of the first locking hole H1 are adjacent to each other in the front and rear directions The first through grooves 116 on one of the left and right sides of the first locking hole H1 are located on the front side of the first through groove 117 on the corresponding side, the first through grooves 116 on the other of the left and right sides of the first locking hole H1 are located on the rear side of the first through groove 117 on the corresponding side, the first through grooves 116 and the first through grooves 117 on the same one of the left and right sides of the first locking hole H1 are adjacently arranged in the left-right direction and are not communicated with each other, the first through grooves 117 on one of the front and rear sides of the first locking hole H1 are located on the left side of the first through grooves 116, and the first through grooves 117 on the other of the front and rear sides of the first locking hole H1 are located on the right side of the first through grooves 116.

As shown in fig. 9, 10 and 12, the first elastic arms 132 located at the left and right sides of the first locking hole H1 are formed to extend in the front-rear direction, the first elastic arms 132 located at the left and right sides of the first locking hole H1 are formed to extend in the left-right direction, each first elastic arm 132 extends from the first groove 116 toward the corresponding first through groove 117, and the corresponding first contact portion 1321 thereof passes through the first through groove 117.

As shown in fig. 8, 12 and 13, the plurality of first guides 13 are divided into four groups, the first positioning portions 1312 of the plurality of first guides 13 in each group are fixed to the same first groove 116, and the first elastic arms 132 of the plurality of first guides 13 in each group pass through the same first through groove 117.

As shown in fig. 9, 10 and 11, each of the first guides 13 further has a plurality of first protrusions 133 protruding outward from one side of the first base 1311, and the first protrusion 133 of one of the first guides 13 in each group abuts against the first base 1311 of an adjacent one of the first guides 13, so that a gap is formed between two first contact portions 1321 of two adjacent first elastic arms 132. In other embodiments, there may be one first protrusion 133 of each first guiding element 13.

As shown in fig. 11 and 12, the second body 21 further includes a plurality of second through slots 215, the second through grooves 215 penetrate the third surface 211 and the fourth surface 212 from top to bottom, the plurality of second grooves 214 and the plurality of second through grooves 215 are respectively and uniformly distributed around the second locking holes H2, in this embodiment, four second grooves 214 and four second through grooves 215 are provided, one second groove 214 and one second through groove 215 are located on the left side of the second locking hole H2, one second groove 214 and one second through groove 215 are located on the right side of the second locking hole H2, one second groove 214 and one second through groove 215 are located on the front side of the second locking hole H2, and one second groove 214 and one second through groove 215 are located on the rear side of the second locking hole H2; the second groove 214 and the second through groove 215 located on the same side of the left and right sides of the first locking hole H1 are adjacently disposed in the front-rear direction and are not communicated with each other, the second through groove 215 located on one side of the front and rear sides of the second locking hole H2 is located on the left side of the second groove 214, and the second through groove 215 located on the other side of the front and rear sides of the second locking hole H2 is located on the right side of the second groove 214; the second groove 214 and the second through groove 215 located on the same side of the front and rear sides of the first locking hole H1 are adjacently disposed in the left-right direction and are not communicated with each other, the second through groove 215 located on one side of the left and right sides of the second locking hole H2 is located on the front side of the second groove 214, and the second through groove 215 located on the other side of the left and right sides of the second locking hole H2 is located on the rear side of the second groove 214. In this embodiment, the first groove 116 and the second groove 214 on the same side of the front and back sides of the first locking hole H1 or the second locking hole H2 are not communicated with each other in the vertical direction, and are completely staggered in the horizontal direction, the first through groove 117 and the second through groove 215 are not communicated with each other in the vertical direction, and are completely staggered in the horizontal direction, the first groove 116 and the second groove 214 on the same side of the left and right sides of the first locking hole H1 or the second locking hole H2 are not communicated with each other in the vertical direction, and are completely staggered in the front and back direction, and the first through groove 117 and the second through groove 215 are not communicated with each other in the vertical direction, and are completely staggered in the front and back direction.

As shown in fig. 9, 10 and 11, each of the first guide pieces 13 and one of the second guide pieces 23 are located on the same vertical plane in the vertical direction, and the first positioning portions 1312 on the same side of the front and rear sides of the first locking hole H1 or the second locking hole H2 and the corresponding second positioning portions 2312 are arranged in a staggered manner in the left-right direction and do not contact with each other; the first positioning portions 1312 on the same side of the left and right sides of the first locking hole H1 or the second locking hole H2 and the corresponding second positioning portions 2312 are disposed in a staggered manner in the front-rear direction and do not contact with each other.

As shown in fig. 8, 12 and 14, each of the second elastic arms 232 located at the left and right sides of the second locking hole H2 is formed to extend in the front-rear direction, each of the second elastic arms 232 located at the front and rear sides of the second locking hole H2 is formed to extend in the left-right direction, each of the second elastic arms 232 extends from the second groove 214 toward the corresponding second through groove 215, and the corresponding second contact portion 2321 thereof passes through the second through groove 215.

As shown in fig. 8, 10 and 14, the plurality of second guides 23 are divided into four groups, the second positioning portions 2312 of the plurality of second guides 23 of each group are fixed to the same second groove 214, and the second elastic arms 232 of the plurality of second guides 23 of each group pass through the same second through groove 215.

As shown in fig. 9, 10 and 11, each of the second guides 23 further has a plurality of second protrusions 233 formed by protruding outward from one side of the second base 2311, and the second protrusion 233 of one of the second guides 23 in each group abuts against the second base 2311 of an adjacent one of the second guides 23, so that a gap is formed between two second contact portions 2321 of two adjacent second elastic arms 232. In other embodiments, there may be one second protrusion 233 of each second guiding member 23.

As shown in fig. 7, 8 and 9, a first guiding unit is respectively disposed on the left and right sides of the fixing member 3, the first guiding unit includes a group of the first guiding members 13 arranged side by side in the left and right direction and a group of the second guiding members 23 arranged side by side in the left and right direction, one of the left and right sides of the fixing member 3 is formed by extending the first elastic arm 132 of the first guiding member 13 to the front end surface 113, the second elastic arm 232 of the second guiding member 23 is formed by extending to the rear end surface 213, the other of the left and right sides of the fixing member 3 is formed by extending the first elastic arm 132 of the first guiding member 13 to the rear end surface 213, the second elastic arm 232 of the second guiding member 23 is formed by extending to the front end surface 113, the number of the first guiding members 13 and the number of the second guiding members 23 of the first guiding unit are the same, and are in one-to-one correspondence from top to bottom. The front and back sides of the fixing piece 3 are respectively provided with a second guide connection unit, the second guide connection unit comprises a group of a plurality of first guide connection pieces 13 which are arranged side by side in the front and back direction and a group of a plurality of second guide connection pieces 23 which are arranged side by side in the front and back direction, the first elastic arm 132 of the first guiding element 13 is formed to extend toward the left end surface 114 on one of the front and rear sides of the retainer 3, the second elastic arm 232 of the second guiding member 23 is formed to extend toward the right end surface 115, the other side of the front and rear sides of the retainer 3, the first elastic arm 132 of the first guiding member 13 is formed to extend toward the right end surface 115, the second elastic arm 232 of the second guiding component 23 is formed to extend toward the left end surface 114, the number of the first guide connecting pieces 13 and the number of the second guide connecting pieces 23 of the second guide connecting unit are the same, and the first guide connecting pieces and the second guide connecting pieces are in one-to-one correspondence. The first guide units and the second guide units are arranged around the fixing piece 3 in the anticlockwise direction and are distributed in a uniformly staggered manner.

As shown in fig. 7, 11 and 12, the first terminal 1 and the second terminal 2 have the same structure, in other words, the first terminal 1 and the second terminal 2 have the same structure, shape and size, so that the first terminal 1 and the second terminal 2 can be manufactured by the same set of mold, thereby saving the manufacturing cost.

In summary, the power terminal assembly of the present invention has the following advantages:

(1) the first terminal 1 is provided with the first body 11 and the first guiding element 13 mounted on the first body 11, the second terminal 2 and the first terminal 1 are butted with each other to form an electrical connection, the second terminal 2 is provided with the second body 21 and the second guiding element 23 mounted on the second body 21, the first elastic arm 132 of the first guiding element 13 extends from the first body 11 to the second body 21 and elastically abuts against the second body 21 downwards, the second elastic arm 232 of the second guiding element 23 extends from the second body 21 to the first body 11 and elastically abuts against the first body 11 upwards, and besides the contact area between the first body 11 and the second body 21, the contact area between the first elastic arm 132 of the first guiding element 13 and the second body 21 is increased, And the contact area between the second elastic arm 232 of the second guiding member 23 and the first body 11 is favorable for large current transmission and stable electrical connection.

(2) Before the first terminal 1 is mated with the second terminal 2, the first elastic arm 132 passes downward over the second surface 112, and the second elastic arm 232 passes upward over the third surface 211, so that after the first terminal 1 is mated with the second terminal 2, the first elastic arm 132 can elastically abut against the first body 11, and the second elastic arm 232 can elastically abut against the second body 21, and after the first terminal 1 is mated with the second terminal 2, the crimping force between the two can be enhanced, so that a stable contact area between the first elastic arm 132 and the first body 11 and between the second elastic arm 232 and the second body 21 is ensured, and stable transmission of large current is facilitated.

(3) The first terminal 1 and the second terminal 2 are identical in structure, and are formed by using the same set of die, so that the cost is saved, and the production efficiency is improved.

(4) The first groove 116 penetrates the second surface 112 downwards, the first mounting portion 131 abuts against the second main body 21 downwards, the second groove 214 penetrates the third surface 211 upwards, and the second mounting portion 231 abuts against the first main body 11 upwards, so that the contact area between the first terminal 1 and the second terminal 2 is increased, and large current transmission is facilitated.

(5) First main part 11 is equipped with and runs through from top to bottom first logical groove 117, first bullet arm 132 passes downwards first logical groove 117 and elasticity butt in third surface 211, second main part 21 is equipped with and runs through from top to bottom second logical groove 215, second bullet arm 232 passes downwards second logical groove 215 and elasticity butt second surface 112 is favorable to the miniaturization of structure, saves space, just first logical groove 117 restriction the great angle of first bullet arm 132 beat, second logical groove 215 restriction the great angle of second bullet arm 232 beat.

(6) The first guiding pieces 13 are arranged in a plurality of and arranged side by side, the first guiding pieces 13 are provided with a plurality of first bulges 133 formed by extending towards the adjacent one of the first guiding pieces 13, the first bulges 133 enable the adjacent two of the first guiding pieces 13 to form a gap between the first elastic arms 132, the second guiding pieces 23 are arranged in a plurality of and arranged side by side, the second guiding pieces 23 are provided with a plurality of second bulges 233 formed by extending towards the adjacent one of the second guiding pieces 23, and the second bulges 233 enable the adjacent two of the second guiding pieces 23 to form a gap between the second elastic arms 232, so that the elastic deformation when the first elastic arms 132 are abutted downwards against the third surface 211 and the elastic deformation when the second elastic arms 232 are elastically abutted upwards against the second surface 112 are facilitated.

(7) The first elastic arm 132 passes forward over the front end surface 113 and elastically abuts against the third surface 211 downward, the second elastic arm 232 passes backward over the rear end surface 213 and elastically abuts against the second surface 112 upward, so that when the front end of the first main body 11 and the rear end of the second main body 21 are warped, the first elastic arm 132 can inhibit the warping of the front end of the first main body 11, and the second elastic arm 232 can inhibit the warping of the rear end of the second main body 21, so that the contact area between the first terminal 1 and the second terminal 2 is increased, the effective contact area between the first main body 11 and the second main body 21 is ensured, and the transmission of large current is facilitated.

(8) The first and second mounting

portions

131 and 231 are in contact with each other in the vertical direction, and in the case of the contact area existing between the first and

second bodies

11 and 21, the contact area between the first and second terminals 1 and 2 can be increased, which is advantageous for transmitting a large current.

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 the drawings are included in the scope of the present invention.

Claims

1. A power terminal assembly, comprising:

the first terminal is provided with a first main body and at least one first guide connecting piece connected to the first main body in a guide mode, the first main body comprises a first surface and a second surface which are arranged oppositely in the vertical direction, the first guide connecting piece is provided with a first mounting part, the first mounting part is mounted and connected to the main body in a guide mode, a first elastic arm extends from the first mounting part to form a first elastic arm, and the first elastic arm extends from the first surface to the second surface;

a second terminal, with first terminal butt joint forms electric connection, be equipped with a second main part and lead connect in the union piece is led to an at least second of second main part, the second main part includes a third surface and a fourth surface that sets up relatively in the upper and lower direction, the upward contact of third surface the second surface, the second is led the union piece and is equipped with a second installation department, the installation of second installation department and lead connect in the second main part, certainly the second installation department extends and forms a second and plays the arm, the second plays the arm and follows the fourth surface court the third surface extends the setting, the second plays the arm elasticity butt that makes progress first main part, first bullet arm elasticity butt downwards the second main part.

2. The power terminal assembly of claim 1, wherein: before the first terminal is butted with the second terminal, the first elastic arm goes downward to cross the second surface, and the second elastic arm goes upward to cross the third surface.

3. The power terminal assembly of claim 1, wherein: the first body and the second body are both in a flat plate shape, the first elastic arm is elastically abutted to the third surface downwards, and the second elastic arm is elastically abutted to the second surface upwards.

4. The power terminal assembly of claim 1, wherein: the first terminal and the second terminal are identical in structure and are formed by applying the same set of die.

5. The power terminal assembly of claim 1, wherein: the first guide connecting piece and the second guide connecting piece are both of blanking type structures, and the first guide connecting piece and one of the second guide connecting pieces are located on the same vertical plane.

6. The power terminal assembly of claim 1, wherein: the first main body is provided with a first groove which is formed by downwards concave arranging of the first surface, the first installation part is downwards installed on the first groove, the second main body is provided with a second groove which is formed by upwards concave arranging of the fourth surface, and the second installation part is upwards installed on the second groove.

7. The power terminal assembly of claim 6, wherein: the first groove penetrates through the second surface downwards, the first installation portion is abutted against the second main body downwards, the second groove penetrates through the third surface upwards, and the second installation portion is abutted against the first main body upwards.

8. The power terminal assembly of claim 7, wherein: the first mounting portion includes a first base and a first positioning portion extending downward from the first base, the first positioning portion is fixed to the first groove and abuts against the third surface downward, the first elastic arm extends from the first base, at least one side of the first base abuts against the first surface downward, the second mounting portion includes a second base and a second positioning portion extending downward from the second base, the second positioning portion is fixed to the second groove and abuts against the second surface upward, the second elastic arm extends from the second base, and at least one side of the second base abuts against the fourth surface upward.

9. The power terminal assembly of claim 7, wherein: the first installation part and the second installation part are arranged in a staggered mode and are not in mutual contact.

10. The power terminal assembly of claim 7, wherein: the first installation part and the second installation part are in mutual contact in the vertical direction.

11. The power terminal assembly of claim 1, wherein: the first main body is provided with a first through groove which penetrates through the first main body from top to bottom, the first elastic arm penetrates through the first through groove downwards and is elastically abutted to the third surface, the second main body is provided with a second through groove which penetrates through the second main body from top to bottom, and the second elastic arm penetrates through the second through groove upwards and is elastically abutted to the second surface.

12. The power terminal assembly of claim 1, wherein: the first guide connecting piece is provided with a plurality of first bulges which are formed by extending towards the adjacent first guide connecting piece, the first bulges enable the adjacent two first guide connecting pieces to form a gap between the first elastic arms, the second guide connecting piece is provided with a plurality of second bulges which are formed by extending towards the adjacent second guide connecting piece, and the second bulges enable the adjacent two second guide connecting pieces to form a gap between the second elastic arms.

13. The power terminal assembly of claim 1, wherein: the first body and the second body are respectively provided with at least one locking hole, and the fixing piece is inserted into the locking hole to lock the first terminal and the second terminal.

14. The power terminal assembly of claim 13, wherein: the left and right sides of the fixing piece are respectively provided with a first guide connection unit, the first guide connection unit comprises a plurality of first guide connection pieces which are arranged side by side left and right and a plurality of second guide connection pieces which are arranged side by side left and right, one side of the left and right sides of the fixing piece is formed by extending the first elastic arm forwards, the second elastic arm is formed by extending backwards, the other side of the left and right sides of the fixing piece is formed by extending backwards, and the second elastic arm is formed by extending forwards.

15. The power terminal assembly of claim 14, wherein: the first guide connecting pieces and the second guide connecting pieces of the first guide connecting unit are the same in number and are in one-to-one correspondence with each other from top to bottom.

16. The power terminal assembly of claim 14, wherein: the front side and the rear side of the fixing piece are respectively provided with a second guide unit, the second guide unit comprises a plurality of first guide pieces arranged side by side from front to back and a plurality of second guide pieces arranged side by side from front to back, one side of the front side and the rear side of the fixing piece is provided with a first elastic arm extending leftwards to form, the second elastic arm extending rightwards to form, the other side of the front side and the rear side of the fixing piece is provided with a second guide unit, the first elastic arm extends rightwards to form, and the second elastic arm extends leftwards to form.

17. The power terminal assembly of claim 1, wherein: the first body comprises a front end face, the first elastic arm forwards crosses the front end face and is elastically abutted with the third surface downwards, the second body comprises a rear end face, and the second elastic arm backwards crosses the rear end face and is abutted with the second surface upwards.

18. The power terminal assembly of claim 1, wherein: the first terminal further comprises a first cable, the first cable is located behind the first main body and is in conductive connection with the first main body, the second terminal further comprises a second cable, and the second cable is located in front of the second main body and is in conductive connection with the second main body.