CN216598305U

CN216598305U - Terminal assembly

Info

Publication number: CN216598305U
Application number: CN202123337610.5U
Authority: CN
Inventors: 沈超; 张金国
Original assignee: Dongtai Zhengyao Precision Technology Co ltd
Current assignee: Dongtai Zhengyao Precision Technology Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-05-24
Anticipated expiration: 2031-12-27

Abstract

The utility model provides a terminal subassembly, terminal subassembly is including the public terminal and the female terminal that pair each other, female terminal is including being the pedestal of frame shape in order to form accommodating space and being fixed in a pair of contact shell fragment in the accommodating space, a pair of contact shell fragment set up relatively in accommodating space is in the ascending both sides of direction of height, public terminal is a metal sheet body, and it inserts when the butt joint in the accommodating space and press from both sides and arrange in so that public, female terminal form electric connection between the shell fragment. The utility model discloses the contact when public, female terminal structure of terminal subassembly is simple and the butt joint is stable to can transmit great electric current.

Description

Terminal assembly

Technical Field

The utility model relates to a terminal subassembly.

Background

Conventional electrical connectors are indispensable elements in electronic and electrical devices. With the generation of electrical and electronic devices, electrical connectors have been developed into rather mature products. In an electrical connector, it is necessary to be able to stably and reliably transmit signals or current while the conductive terminals are essential components of the electrical connector, and generally, the terminal assembly generally includes a male conductive terminal and a female conductive terminal that are butted against each other, and the conventional male conductive terminal and the conventional female conductive terminal are complicated in manufacturing process and have a limited contact area when being butted against each other.

In view of the above, there is a need for an improved terminal assembly to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure just contacts stable terminal subassembly.

In order to realize the above object of the present invention, the utility model provides a terminal assembly, it includes the male terminal and the female terminal that pair each other, the female terminal is including being the pedestal of frame shape in order to form accommodating space and being fixed in a pair of contact shell fragment in the accommodating space, a pair of contact shell fragment set up relatively in accommodating space is in the ascending both sides of direction of height, the male terminal is a metal sheet body, and it inserts when the butt joint in the accommodating space and press from both sides and arrange in so that between a pair of contact shell fragment public, female terminal form electric connection.

As a further improvement of the utility model, the pedestal is including the portion of acceping that is the frame shape and being located the installation department of portion of acceping the rear side, the portion of acceping have relative top, the diapire that sets up and will a pair of lateral wall that roof and diapire link to each other, the installation department certainly the rear end of diapire extends backward straightly and forms, a pair of contact shell fragment is fixed in respectively the internal face of top, diapire.

As a further improvement of the present invention, the accommodating portion further has a stopping wall formed by vertically bending and extending downward from the rear end of the top wall, and the stopping wall is located at the rear side of the accommodating space to at least partially block the accommodating space.

As a further improvement, each contact shell fragment has the base plate, arranges in separately before the base plate, two sets of knot claws at back both ends and be located a set of piece of supporting of base plate front side, detain the claw with support and hold the piece and be located contact shell fragment is in the ascending both sides of direction of height.

As a further improvement of the present invention, the holding piece and the locking claw are at least partially arranged in a staggered manner in the transverse direction.

As a further improvement of the utility model, each the support piece includes certainly the first extension arm of buckling backward of the front end of base plate reaches certainly the rear end of first extension arm is the second extension arm of buckling the extension forward backward, the second extension arm is located the downside of first extension arm, just the junction of first extension arm and second extension arm forms butt portion.

As a further improvement of the present invention, each of the contact spring pieces further includes a plurality of elastic contact arms formed by bending and protruding from the substrate, and in a free state, the contact portions of the contact arms are closer to the horizontal center plane of the accommodating portion than the abutting portions of the abutting pieces.

As a further improvement of the present invention, each of the contact arms is in a cantilever shape, and includes a straight section and is disposed in separately a first inclined section and a second inclined section of both sides of the straight section in the front and rear direction, the first inclined section and the second inclined section are located on the same side of the straight section in the height direction, and the extending lengths of the first inclined section and the second inclined section in the front and rear direction are all longer than the extending length of the straight section in the front and rear direction.

As a further improvement of the utility model, the detain the claw with support the piece branch and arrange in the base plate is in the ascending both sides of direction of height, detain the claw set up in contact shell fragment keeps away from one side of accommodating space, support the piece set up in contact shell fragment is close to one side of accommodating space and orientation projecting in the accommodating space, detain the claw catch in roof or diapire.

As a further improvement of the utility model, it is two sets of detain the claw including a set of first knot claw that is located the front side and a set of second knot claw that is located the rear side, first knot claw and second knot claw's quantity is different, just first knot claw and second knot claw dislocation set in horizontal direction.

The utility model has the advantages that: the male terminal in the terminal assembly of the utility model is only formed by a metal sheet, the female terminal has simple structure and convenient manufacture, has larger contact area when inserted oppositely, can transmit larger current, and has the function of multi-path parallel connection of the traditional round torsion spring terminal; meanwhile, under the same through-current condition, the male terminal and the female terminal are small in structural size and stable in contact, the size of a product can be effectively controlled, and the electric performance is stable.

Drawings

Fig. 1 is a perspective view of a terminal assembly according to the present invention.

Fig. 2 is an exploded perspective view of the female terminal of the terminal assembly shown in fig. 1.

Fig. 3 is a view of the female terminal of fig. 2 from another perspective.

Fig. 4 is a perspective assembly view of the female terminal shown in fig. 2.

Fig. 5 is a side view of the female terminal shown in fig. 4.

Fig. 6 is a side view of a pair of contact springs of the female terminal of fig. 4.

Fig. 7 is a front view of the female terminal shown in fig. 4.

Fig. 8 is a front view of a pair of contact springs of the female terminal of fig. 4.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiment, and the structural, method, or functional changes made by those skilled in the art according to the embodiment are all included in the scope of the present invention.

Please refer to fig. 1 to 8, which illustrate a preferred embodiment of the terminal assembly of the present invention, the terminal assembly includes a male terminal 1 and a female terminal 2, for convenience of description, when the male terminal 1 or the female terminal 2 is introduced separately, the direction in which the butt end is the front end and the other end opposite to the butt end is the rear end is described below, that is, the butt direction of the male and female terminals 1 and 2 is the front-back direction, one direction perpendicular to the front-back direction is the height direction, and the other direction perpendicular to the front-back direction is the transverse direction.

The female terminal 2 includes a base 21 in a frame shape to form an accommodating space 210 and a pair of contact spring pieces 23 fixed in the accommodating space 210, the pair of contact spring pieces 23 are oppositely disposed at two sides of the accommodating space 210 in a height direction, and the male terminal 1 is a metal sheet body which is inserted into the accommodating space 210 and clamped between the pair of contact spring pieces 23 when in butt joint so as to enable the male and female terminals 1 and 2 to form electrical connection.

The housing 21 includes a frame-shaped housing portion 212 and a mounting portion 213 located at the rear side of the housing portion, and the housing portion 212 includes top and

bottom walls

2121 and 2122 arranged opposite to each other and a pair of side walls 2123 connecting the top wall 2121 and the bottom wall 2122. The mounting portion 213 is formed in a flat plate shape and extends straight and rearward from the rear end of the bottom wall 2122, and the pair of contact springs 23 are fixed to inner wall surfaces of the top and

bottom walls

2121 and 2122, respectively.

The receiving portion 212 further has a stopper wall 2124 formed by bending and extending vertically downward from the rear end of the top wall 2121, and the stopper wall 2124 at least partially blocks the receiving space 210 at the rear side thereof. In this embodiment, the stopping wall 2124 has a structure with a small top and a large bottom, so as to facilitate the bending action and achieve an effective stopping effect.

In this embodiment, one side of each contact spring 23 close to the other contact spring 23 is an inner side thereof, and one side of each contact spring 23 away from the other contact spring 23 is an outer side thereof. Specifically, each contact spring 23 has a base plate 231, two sets of clasps 232 respectively disposed at the front and rear ends of the base plate 231, and a set of supporting pieces 234 disposed at the front side of the base plate 231, where the clasps 232 and the supporting pieces 234 are disposed at two sides of the contact spring 23 in the height direction, that is, the clasps 232 and the supporting pieces 234 are disposed at two sides of the base plate 231 in the height direction.

Each of the holding pieces 234 includes a first extension arm 2341 bent backward from the front end of the base plate 231 and a second extension arm 2342 bent backward from the rear end of the first extension arm 2341, the second extension arm 2342 is located at the lower side of the first extension arm 2341, and a joint of the first extension arm 2341 and the second extension arm 2342 forms a contact part 2340.

Each contact spring piece 23 further has a plurality of elastic contact arms 235 bent and protruded from the substrate 231, and in a free state, the contact portions 2350 of the contact arms 235 are closer to the horizontal central plane of the accommodating portion than the contact portions 2340 of the supporting pieces 234.

Each contact arm 235 is cantilever-shaped and comprises a straight section 2351 and first and second

inclined sections

2352 and 2353 respectively arranged on two sides of the straight section 2351 in the front-back direction, wherein the first inclined section 2352 and the second inclined section 2353 are positioned on the same side of the straight section 2351 in the height direction, and the extension lengths of the first and second

inclined sections

2352 and 2353 in the front-back direction are longer than that of the straight section 2351 in the front-back direction.

The contact arms 25 are arranged in five rows in the front-rear direction, and are arranged in the first row to the fifth row in this order, and two rows of the contact arms 25 adjacent to each other in the front-rear direction are also arranged in a staggered manner in the lateral direction.

The fastening claw 232 and the abutting piece 234 are respectively disposed on two sides of the base plate 231 in the height direction, the fastening claw 232 is disposed on one side of the contact elastic piece 2 away from the accommodating space 210, the abutting piece 234 is disposed on one side of the contact elastic piece 2 close to the accommodating space 210 and protrudes toward the accommodating space 210, and the fastening claw 232 is fastened to the top wall 2121 or the bottom wall 2122.

Specifically, each of the fastening claws 232 has a connecting portion 2324 connected to the front end or the rear end of the substrate 231 and a fastening portion 2325 bent and extended from the connecting portion 2324, and the connecting portion 2324 and the fastening portion 2325 are connected to form an L shape.

The two sets of the fastening claws 232 include a set of first fastening claws 2321 located at the front side and a set of second fastening claws 2323 located at the rear side, the number of the first fastening claws 2321 and the number of the second fastening claws 2323 are different, and the first fastening claws 2321 and the second fastening claws 2323 are arranged in a staggered manner in the transverse direction.

Further, in the present embodiment, the first fastening claw 2321 and the second fastening claw 2323 are completely disposed in a staggered manner in the transverse direction, so that the contact elastic piece 23 and the seat body 21 are more reliably combined in the transverse direction. In this embodiment, each of the contact springs 23 has a pair of the second fastening claws 2323, and the stop wall 2124 is bent downward from between the pair of the second fastening claws 2323.

The receiving portion 212 further has a plurality of recesses 2125 and mounting holes 2126 formed by penetrating the bottom wall 2122 thereof, wherein the number of the mounting holes 2126 is the same as the number of the second fastening claws 2323, so as to receive and fix the corresponding second fastening claws 2323 on the lower contact spring 23. The concave portion 2125 is formed at the front and rear ends of the top wall 2121 and the front end of the bottom wall 2122 for receiving and fixing the other locking claw 232.

The retaining tab 234 and the catch 232 are at least partially offset in the transverse direction. Further, the abutting piece 234 and the first catch 2321 are completely staggered in the transverse direction, so as to be bent upward or downward from the front end of the base plate 231, respectively.

In addition, in the present invention, each of the contact spring pieces 23 further has a pair of reinforcing ribs 236 disposed on both sides in the transverse direction thereof, and at least one of the reinforcing ribs 236 is completely disposed outside the catching jaw 232 in the transverse direction.

The male terminal 2 includes a main body 201 and an insertion portion 203 extending from the main body 201, a width of the insertion portion 203 in the transverse direction is smaller than a width of the main body 201 in the transverse direction, and the insertion portion 203 is inserted into the receiving space 210 and sandwiched between the pair of contact spring pieces 23 when being mated, so as to achieve electrical connection between the male terminal 2 and the female terminal 1.

Compared with the traditional conductive terminal, the male terminal 2 in the terminal assembly of the utility model is only formed by a metal sheet, the female terminal 1 has simple structure and convenient manufacture, has larger contact area when inserted oppositely, can transmit larger current, and has the function of multipath parallel connection of the traditional round torsion spring terminal; meanwhile, under the same through-current condition, the male terminal 2 and the female terminal 1 are small in structural size and stable in contact, the size of a product can be effectively controlled, and the electric performance is stable.

Terms such as "upper," "lower," "left," "right," "front," "rear," and the like, used herein to denote relative spatial positions, are used for ease of description to describe one feature's relationship to another feature as illustrated in the figures. It will be understood that the spatially relative positional terms may be intended to encompass different orientations than those shown in the figures depending on the product presentation position and should not be construed as limiting the claims. In addition, the descriptor "horizontal" as used herein is not entirely equivalent to allowing an angular tilt along a direction perpendicular to the direction of gravity.

Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that various modifications and equivalent arrangements can be made without departing from the spirit and scope of the present invention.

Claims

1. A terminal assembly, its male terminal and female terminal including mate each other, its characterized in that: the female terminal comprises a seat body which is in a frame shape to form an accommodating space and a pair of contact elastic sheets fixed in the accommodating space, the pair of contact elastic sheets are oppositely arranged on two sides of the accommodating space in the height direction, and the male terminal is a metal sheet body which is inserted into the accommodating space and clamped between the pair of contact elastic sheets when in butt joint so as to enable the male terminal and the female terminal to form electric connection.

2. The terminal assembly of claim 1, wherein: the base comprises a frame-shaped accommodating part and an installation part located on the rear side of the accommodating part, the accommodating part is provided with a top wall, a bottom wall and a pair of side walls, the top wall and the bottom wall are oppositely arranged, the side walls are connected with the top wall and the bottom wall, the installation part is formed by flatly and straightly extending the rear end of the bottom wall backwards, and the pair of contact elastic sheets are respectively fixed on the inner wall surfaces of the top wall and the bottom wall.

3. The terminal assembly of claim 2, wherein: the accommodating part is also provided with a stopping wall which is formed by vertically bending and extending downwards from the rear end of the top wall, and the stopping wall at least partially shields the accommodating space at the rear side of the accommodating space.

4. The terminal assembly of claim 2, wherein: each contact elastic sheet is provided with a substrate, two groups of buckling claws arranged at the front end and the rear end of the substrate respectively and a group of abutting pieces positioned at the front side of the substrate, wherein the buckling claws and the abutting pieces are positioned at the two sides of the contact elastic sheet in the height direction.

5. The terminal assembly of claim 4, wherein: the abutting piece and the buckling claw are at least partially arranged in a staggered mode in the transverse direction.

6. A terminal assembly according to claim 4 or 5, characterised in that: each supporting piece comprises a first extending arm and a second extending arm, wherein the first extending arm is bent backwards from the front end of the substrate, the second extending arm is bent forwards and backwards from the rear end of the first extending arm, the second extending arm is located on the lower side of the first extending arm, and a supporting part is formed at the joint of the first extending arm and the second extending arm.

7. The terminal assembly of claim 4, wherein: each contact spring piece is also provided with a plurality of elastic contact arms which are bent and protruded from the substrate, and in a free state, the contact parts of the contact arms are closer to the horizontal central plane of the accommodating part than the contact parts of the abutting pieces.

8. The terminal assembly of claim 7, wherein: each contact arm is cantilever-shaped and comprises a straight section and a first inclined section and a second inclined section which are respectively arranged at two sides of the straight section in the front-back direction, the first inclined section and the second inclined section are positioned at the same side of the straight section in the height direction, and the extension length of the first inclined section and the extension length of the second inclined section in the front-back direction are both longer than that of the straight section in the front-back direction.

9. A terminal assembly according to claim 4 or 5, characterised in that: the buckling claw and the abutting piece are respectively arranged on two sides of the base plate in the height direction, the buckling claw is arranged on one side, away from the accommodating space, of the contact elastic piece, the abutting piece is arranged on one side, close to the accommodating space, of the contact elastic piece and protrudes towards the accommodating space, and the buckling claw is buckled on the top wall or the bottom wall in a grabbing mode.

10. A terminal assembly according to claim 4 or 5, characterised in that: two sets of detain the claw including a set of first knot claw that is located the front side and a set of second knot claw that is located the rear side, first knot claw and second knot claw's quantity is different, just first knot claw and second knot claw are in the lateral direction dislocation set.