CN216389799U

CN216389799U - Large-current multi-fisheye connecting terminal

Info

Publication number: CN216389799U
Application number: CN202122552214.8U
Authority: CN
Inventors: 吴晓峰; 谢国良
Original assignee: Dongguan Fujin Precision Components Co ltd
Current assignee: Dongguan Fujin Precision Components Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-04-26
Anticipated expiration: 2031-10-22

Abstract

The utility model discloses a large-current multi-fisheye connecting terminal which comprises a flat contact plate, a connecting part and a plurality of fisheye parts which are sequentially and integrally connected; wherein: the width of the connecting part is larger than that of the flat contact plate, and both sides of the connecting part extend beyond two corresponding sides of the flat contact plate to form extending parts; the material belt cutting position is arranged on the outer side of the extending part, so that the adjacent large-current multi-fisheye connecting terminals are sequentially and integrally connected through the extending part to serve as the material belt; the plurality of fisheye parts are divided into a first fisheye part and a second fisheye part, the first fisheye part is arranged in the area where the end part of the connecting part corresponds to the flat contact plate, and the second fisheye part is connected to the end part of the extending part. The large-current multi-fisheye connecting terminal increases the contact area during plugging use so as to improve the conductivity and reduce the heat productivity; meanwhile, the large-current multi-fisheye connecting terminal does not need an additional material belt, and the extending parts are sequentially connected integrally to serve as the material belt, so that waste materials are reduced.

Description

Large-current multi-fisheye connecting terminal

Technical Field

The utility model relates to the technical field of fisheye connecting terminals, in particular to a high-current multi-fisheye connecting terminal.

Background

The high-current connector is widely applied to the fields of electric automobiles, electric forklifts, general power supplies, medical equipment, solar energy, new energy and the like. The high-current connector needs to transmit higher current, so that the terminal of the high-current connector needs to bear higher current so as to prevent the terminal from being broken down and burnt, and the charging or data connection stability of the electronic product is ensured.

At present, a connection terminal used for large current mostly adopts a crimping technology to electrically connect a fisheye terminal and a PCB (printed circuit board), specifically, two elastic parts of the fisheye terminal are extruded to generate elastic shrinkage, so that the fisheye terminal is inserted into an insertion hole of the PCB. In the conventional technology, the contact part and the inserting part of the fisheye terminal adopted by the large-current connector are arranged in an up-and-down connection mode, and the inserting part is mostly provided with a fisheye structure. Therefore, the prior art also presents a novel fish-eye terminal, and the fish-eye structure of the fish-eye terminal is arranged at the side, so that the number of the arranged fish-eye structures is increased. Compared with the former, the latter has a larger number of fish-eye structures, however, the latter has fish-eye structures arranged beside the material belt and fish-eye terminals arranged on the material belt in a spacing manner, and when the material belt is produced, the occupied area of waste materials generated between the adjacent fish-eye terminals is larger. Still, this kind of novel fisheye terminal, the elasticity holding power of its fisheye portion is not ideal, and usually fisheye portion cartridge is in the spliced eye of PCB board in the back, still needs the supplementary enhancement of welding to fix, leads to the process many, machining efficiency is lower.

Therefore, a new technical solution is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a large-current multi-fisheye connecting terminal, which has extending portions respectively added to two sides of a connecting portion, wherein a first fisheye portion is disposed at an end of the connecting portion corresponding to a gap between flat contact plates, and a second fisheye portion is disposed at an end of the extending portion, so as to increase a fisheye structure of the large-current multi-fisheye connecting terminal, increase a contact area during plugging use, improve conductivity, and reduce heat generation; meanwhile, the terminal does not need an additional material belt, and the extending parts are sequentially and integrally connected to serve as the material belt, so that waste materials are reduced.

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

a large-current multi-fisheye connecting terminal comprises a flat contact plate, a connecting part and a plurality of fisheye parts which are sequentially and integrally connected; wherein:

the width of the connecting part is larger than that of the flat contact plate, and both sides of the connecting part extend beyond two corresponding sides of the flat contact plate to form extending parts; the material belt cutting position is arranged on the outer side of the extending part, so that the adjacent large-current multi-fisheye connecting terminals are sequentially and integrally connected through the extending part to serve as the material belt; the plurality of fisheye parts are divided into a first fisheye part and a second fisheye part, the first fisheye part is arranged in the area where the end part of the connecting part corresponds to the flat contact plate, and the second fisheye part is connected to the end part of the extending part.

As a preferable scheme, the flat contact plate is a rectangular strip structure, and two sides of the end portion of the flat contact plate, which is far away from the connecting portion, are respectively provided with a convex arc edge, so that: the end part of the flat contact plate far away from the connecting part forms a U-shaped structure.

As a preferred scheme, the fisheye part comprises an insertion section and a compression joint section which are sequentially arranged, wherein guide surfaces are respectively arranged on two sides of the insertion section; the compression joint section is provided with a through hole in a penetrating manner, and two sides of the through hole are respectively provided with an elastic arm; the through hole runs through and sets up on the crimping section to, the through hole runs through and extends to the connecting portion upper end.

Preferably, the outer side edge of the elastic arm is in an arc structure.

Preferably, a concave arc edge is further arranged at the joint of the crimping section and the connecting part.

As a preferred scheme, the through hole is of a structure with a large middle part and two gradually-reduced ends, a first straight extending hole extends towards the connecting part at one end of the through hole, the first straight extending hole extends to the inside of the area where the connecting part or the extending part is located, a second straight extending hole extends towards the inserting section at the other end of the through hole, and the second straight extending hole extends to the inside of the area where the inserting section is located.

As a preferable scheme, the first fisheye part and the second fisheye part are arranged in the same structure.

Preferably, two or more first fisheye portions are provided.

Compared with the prior art, the connector has the obvious advantages and beneficial effects, and particularly, according to the technical scheme, the connector is mainly characterized in that the extending parts are additionally arranged on the two sides of the connecting part respectively, the first fisheye parts are arranged at the end parts of the connecting part corresponding to the intervals of the flat contact plates, and the second fisheye parts are arranged at the end parts of the extending parts, so that the fisheye structure of the large-current multi-fisheye connecting terminal is increased, the contact area in plugging use is increased, the electric conductivity is improved, and the heat productivity is reduced; meanwhile, the terminal does not need an additional material belt, and the extending parts are sequentially and integrally connected to serve as the material belt, so that waste materials are reduced.

Secondly, the fisheye part is ingenious in structural design, the through hole is a structure with a large middle and two gradually-reduced ends, a first straight extending hole extends towards the connecting part at one end of the through hole, the first straight extending hole extends into the connecting part or the area where the extending part is located, a second straight extending hole extends towards the inserting section at the other end of the through hole, and the second straight extending hole extends into the area where the inserting section is located; like this for the elasticity holding power of elastic arm is better, and fisheye portion cartridge can form reliable connection after in the spliced eye of PCB board, can no longer weld supplementary enhancement fixedly.

To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a front view of a first embodiment of the present invention;

FIG. 2 is a side view of a first embodiment of the present invention;

FIG. 3 is a partial view of a first embodiment of the present invention;

FIG. 4 is a cross-sectional view taken at A-A in FIG. 3;

FIG. 5 is a partial view of a fisheye according to a first embodiment of the utility model;

FIG. 6 is a front view of a second embodiment of the present invention;

FIG. 7 is a partial view of a second embodiment of the present invention.

The attached drawings indicate the following:

10. fisheye part 11 and first fisheye part

12. Second fisheye part 13, insertion section

14. Guide surface 15, crimping section

16. Through hole 161, first straight extension hole

162. A second straight extension hole 17 and an elastic arm

18. Concave arc edge 20, flat contact plate

21. Convex arc edge 30 and connecting part

40. Extension 50, tape.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "upper", "lower", "front", "rear", "left", "right", etc., indicating the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation and operation, and should not be construed as limiting the specific scope of the present invention.

Referring to fig. 1 to 7, specific structures of embodiments of the present invention are shown.

A large-current multi-fisheye connecting terminal comprises a flat contact plate 20, a connecting part 30 and a plurality of fisheye parts 10 which are integrally connected in sequence; wherein: the width of the connecting portion 30 is greater than the width of the flat contact plate 20, and both sides of the connecting portion 30 extend beyond both corresponding sides of the flat contact plate 20 to form an extending portion 40; the outside of extension portion 40 is the material area and cuts the position for: the adjacent large-current multi-fisheye connecting terminals are sequentially and integrally connected through the extending parts 40 to serve as the material belt 50; the fisheye parts 10 are divided into a first fisheye part 11 and a second fisheye part 12, the first fisheye part 11 is arranged in the area where the end of the connecting part 30 is corresponding to the flat contact plate 20, and the second fisheye part 12 is connected to the end of the extending part 40. And, the many fisheyes of heavy current connecting terminal is flat structure. Preferably, the first fisheye part 11 and the second fisheye part 12 are arranged in the same structure.

Fig. 1 is a front view of a first embodiment of a high-current multi-fisheye connection terminal, specifically showing a front view of the high-current multi-fisheye connection terminal in a strap state. In the first embodiment, the fisheye portion 10 is provided with two first fisheye portions 11 at intervals corresponding to the upper ends of the flat contact plates 20. In addition, the two ends of the connecting portion 30 are respectively provided with an extending portion 40, and the extending portions 40 are respectively provided with a second fisheye portion 12. In the first embodiment, the high-current multi-fisheye connection terminal is provided with two first fisheye portions 11, so that: the large-current multi-fisheye connecting terminal is stably spliced with the PCB; meanwhile, when the connector is used in a butt joint mode, the large-current multi-fisheye connecting terminal is connected with the PCB in an inserting mode and conducts electricity.

Fig. 2 is a side view of a first embodiment of the high-current multi-fisheye connection terminal, and particularly shows a side view of the high-current multi-fisheye connection terminal in a strap state. The large-current multi-fisheye connecting terminals are adjacently arranged on the material belt 50, and the extending portions 40 of the adjacent large-current multi-fisheye connecting terminals are adjacently arranged. Many fisheyes of heavy current connecting terminal is flat structure for: the large-current multi-fisheye connecting terminal can be punched by a punching machine to form the material belt 50 of the large-current multi-fisheye connecting terminal, and the production is easy. In this embodiment, the front end surface and the rear end surface of the large-current multi-fisheye connection terminal are flush with each other.

Fig. 3 and 4 are a partial view of a first embodiment of a high-current multi-fisheye connection terminal, and a cross-sectional view of the first embodiment of a high-current multi-fisheye connection terminal at a-a in fig. 3, respectively. The flat contact plate 20 is a rectangular strip structure, and two sides of the end of the flat contact plate 20 away from the connecting portion 30 are respectively provided with a convex arc edge 21, so that: the end of the flat contact plate 20 far from the connecting portion 30 forms a U-shaped structure. In the first embodiment, the flat contact plate 20 is a rectangular strip structure, and the two sides of the lower end of the flat contact plate 20 are respectively provided with the convex arc edges 21, and the lower end of the flat contact plate 20 forms a U-shaped structure, which increases the cross-sectional area of the flat contact plate 20, so that: the large-current multi-fisheye connecting terminal can bear larger current, so that the large-current multi-fisheye connecting terminal is prevented from being broken down and burnt in a large-current transmission process, and the service life is prolonged.

Fig. 5 is a partial diagram of a fisheye portion of a first embodiment of a high current multi-fisheye connection terminal. The first fisheye part 11 comprises an inserting section 13 and a pressing section 15 which are arranged up and down. The insertion section 13 is disposed at an end of the first fisheye portion 11, and guide surfaces 14 are respectively disposed at two sides of the insertion section 13, so that: the insertion section 13 of the first fisheye part 11 is arranged towards the end part in a gradually-reduced mode, and the first fisheye part 11 can be conveniently inserted into the insertion hole of the PCB.

The crimping section 15 is provided with a through hole 16 in a penetrating manner, and two sides of the through hole 16 are respectively provided with an elastic arm 17. The through hole 16 is penetratingly disposed on the crimping section 15, and the through hole 16 penetratingly extends to an upper end of the connecting portion 30. Specifically, the head end of the through hole 16 is provided at the lower end of the insertion section 13, and the tail end of the through hole 16 is provided at the upper end of the connection portion 30, such that: the through holes 16 reserve enough deformation space for the elastic arms 17 at both sides, and at the same time, the whole crimping strength of the first fisheye part 11 can be increased by using the ends of the through holes 16. In the first embodiment, the through hole 16 is in a shuttle shape, specifically, the through hole 16 has a structure with a large middle and gradually reduced ends, and a first straight extending hole 161 extends from one end of the through hole 16 toward the connecting portion 30, and the first straight extending hole 161 extends to the inside of the area where the connecting portion 30 or the extending portion 40 is located; at the other end of the through hole 16, a second straight extension hole 162 extends toward the insertion section 13, and the second straight extension hole 162 extends to the inside of the region where the insertion section 13 is located. In addition, the outside border of elastic arm 17 sets up for the arc structure to avoid first fisheye portion 11 to begin to press in the PCB board when taking place hard interference. The joint of the crimping section 15 and the connecting part 30 is also provided with a concave arc edge 18, so that: the end of the through hole 16 is matched with the concave arc edge 18 to increase the width of the root of the first fisheye part 11, so that the first fisheye part 11 is prevented from bending, breaking and buckling when being pressed into the plug hole of the PCB. In this embodiment, the first fisheye portion 11 and the second fisheye portion 12 are configured in the same structure, and detailed descriptions of the specific structure of the second fisheye portion 12 are not repeated herein, so that redundant descriptions are avoided.

Fig. 6 and 7 are a front view and a partial view respectively showing a second embodiment of the high-current multi-fisheye connection terminal. Embodiment two is based on embodiment one, and the number of the first fisheye parts 11 is three. Specifically, the fisheye portion 10 is provided with first fisheye portions 11 corresponding to the upper end intervals of the flat contact plate 20, and in the present embodiment, the fisheye portion 10 is provided with three first fisheye portions 11, so that: the large-current multi-fisheye connecting terminal is stably spliced with the PCB; simultaneously, when butt joint is used, the multiple fisheye connecting terminal of heavy current is electrically conductive with the grafting of PCB board, and a plurality of fisheye portions increase the area of contact of the multiple fisheye connecting terminal of heavy current and PCB board, and the multiple fisheye connecting terminal of heavy current electric conduction volume is bigger, and calorific capacity is littleer. In practical implementation, the number of the first fisheye portions 11 may be four or more.

The utility model is mainly characterized in that the two sides of the connecting part are respectively provided with the extending parts, the end parts of the connecting part are provided with the first fisheye parts corresponding to the intervals of the flat contact plates, and the end parts of the extending parts are provided with the second fisheye parts, so that the fisheye structure of the large-current multi-fisheye connecting terminal is increased, the contact area during plugging use is increased, the electric conductivity is improved, and the heat productivity is reduced; meanwhile, the terminal does not need an additional material belt, and the extending parts are sequentially and integrally connected to serve as the material belt, so that waste materials are reduced.

Claims

1. The utility model provides a many fisheyes of heavy current connecting terminal which characterized in that: comprises a flat contact plate, a connecting part and a plurality of fisheye parts which are sequentially and integrally connected; wherein:

2. A high current multi-fisheye connection terminal according to claim 1, characterised in that: the flat contact plate is of a rectangular band-shaped structure, and convex arc edges are respectively arranged on two sides of the end part of the flat contact plate, which is far away from the connecting part, so that: the end part of the flat contact plate far away from the connecting part forms a U-shaped structure.

3. A high current multi-fisheye connection terminal according to claim 1, characterised in that: the fisheye part comprises an insertion section and a compression joint section which are arranged in sequence, wherein guide surfaces are respectively arranged on two sides of the insertion section; the compression joint section is provided with a through hole in a penetrating manner, and two sides of the through hole are respectively provided with an elastic arm; the through hole runs through and sets up on the crimping section to, the through hole runs through and extends to the connecting portion upper end.

4. A high current fisheye connection terminal according to claim 3, wherein: the outside border of elastic arm sets up for the arc structure.

5. A high current fisheye connection terminal according to claim 3, wherein: and a concave arc edge is also arranged at the joint of the crimping section and the connecting part.

6. A high current fisheye connection terminal according to claim 3, wherein: the through-hole is big both ends gradually little structure in the middle of, and, has first straight shape extension hole in the one end of through-hole extends towards connecting portion, first straight shape extension hole extends to connecting portion or extension portion place inside, has the straight shape extension hole of second in the other end orientation of through-hole insertion section extension, the straight shape extension hole of second extends to the insertion section place inside.

7. A high current fisheye connection terminal according to any of claims 1 to 6, characterised in that: the first fisheye part and the second fisheye part are arranged in the same structure.

8. A high current multi-fisheye connection terminal according to claim 1, characterised in that: the number of the first fisheye parts is more than two.