CN212161964U

CN212161964U - Soldering lug and electric bicycle battery applying same

Info

Publication number: CN212161964U
Application number: CN202021082000.8U
Authority: CN
Inventors: 李昌彪; 陈大平; 朱青松
Original assignee: Shenzhen Taike Power System Co ltd
Current assignee: Shenzhen Taike Power System Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2020-12-15
Anticipated expiration: 2030-06-12

Abstract

The utility model discloses an aspect discloses a soldering lug belongs to electric bicycle's technical field. The soldering lug includes the soldering lug main part, and the soldering lug main part is the thin slice of hardware material an organic whole making, and one side of soldering lug main part outwards extends and bends and form the portion of bending, and the portion of bending includes first portion of bending, second portion of bending and third portion of bending, links into between first portion of bending, second portion of bending and the third portion of bending and is "U" style of calligraphy of lying down. The soldering lug has a simple structure, is integrally made of hardware materials and is convenient to manufacture, and the soldering lug can be used as an electric connection part for an electric bicycle battery. The utility model discloses another aspect provides an use electric bicycle battery of above-mentioned soldering lug, including soldering lug, battery holder and PCB board, installation group battery in the battery holder, the PCB grillage is established in the battery holder top, and the group battery passes through the soldering lug to be connected with PCB board electricity, and is simple and convenient, need not to set up on the PCB board and passes through supplying the soldering lug, has improved the intensity of PCB board, guarantees passing through of heavy current.

Description

Soldering lug and electric bicycle battery applying same

Technical Field

The utility model relates to an electric bicycle's technical field, in particular to soldering lug and use its electric bicycle battery.

Background

The lithium battery pack of a common electric bicycle is used after a plurality of single battery cells are connected in parallel and in series, and the battery pack is electrically connected with a PCB plate through a soldering lug. Among the prior art, need set up the through-hole on the PCB board when the soldering lug welds on the PCB board, bend again after the soldering lug passes the through-hole and weld on the PCB board, if the PCB board adopts this kind of structure, need guarantee that the PCB board has sufficient width dimension, if the width of through-hole both sides is not enough then can lead to unable too big electric current, can not reach the design demand. In addition, the through holes formed in the PCB may cause the strength of the PCB to be insufficient, and the PCB may be easily broken.

SUMMERY OF THE UTILITY MODEL

The utility model provides a soldering lug and use its electric bicycle battery can solve one or more among the above-mentioned technical problem.

The utility model discloses a soldering lug includes the soldering lug main part, and the soldering lug main part is the thin slice that hardware material an organic whole was made, and one side of soldering lug main part outwards extends and bends and form the portion of bending, and the portion of bending includes first portion of bending, second portion of bending and third portion of bending, links into between first portion of bending, second portion of bending and the third portion of bending and is "U" style of calligraphy of lying down. The utility model discloses a soldering lug simple structure adopts hardware material an organic whole to make, and the preparation is convenient, and the soldering lug can be used for the electric bicycle battery as the electricity connecting part.

In some embodiments, the tab body is big at both ends and small in the middle, and is dumbbell-shaped.

In some embodiments, both ends of the tab main body are arc-shaped, and the shape of the tab main body is matched with the shape of a battery pack of the electric bicycle battery.

In some embodiments, both ends of the tab body are respectively provided with a weld groove at an intermediate position. The soldering lug is welded on the battery pack through the soldering groove.

In some embodiments, the weld groove is a kidney groove.

Another aspect of the utility model provides an electric bicycle battery.

The utility model discloses an electric bicycle battery includes soldering lug, battery holder and PCB board, installation group battery in the battery holder, and the PCB grillage is established in the battery holder top, and the group battery passes through the soldering lug to be connected with PCB board electricity.

In some embodiments, the battery support is provided with a holding groove at a corresponding position where the PCB board passes through, the side wall of the holding groove is matched with the shape of the bending part of the soldering lug, the holding groove is used for holding the bending part, and the PCB board passes through the bending part and is welded with the bending part.

Through adopting above-mentioned technical scheme, the group battery passes through the soldering lug and forms the electricity with the PCB board and is connected, and is simple and convenient, need not to set up on the PCB board and passes through supplying the soldering lug, has improved the intensity of PCB board, guarantees passing through of heavy current.

In some embodiments, the bending portion includes a first bending portion, a second bending portion, and a third bending portion, the third bending portion is welded to the PCB board, and the tab body of the tab is welded to the battery pack.

By adopting the technical scheme, the battery pack can be electrically connected with the PCB plate through the soldering lug.

In some embodiments, from supreme inclined plane and the slope boss of setting gradually down on the lateral wall of holding tank, the back and the inclined plane laminating of first bending, the second bending support leans on the slope boss.

Through adopting above-mentioned technical scheme, the difficult displacement that takes place of soldering lug guarantees soldering lug and PCB board welded steadiness.

In some embodiments, a clamping interface is arranged on the side edge of the PCB board, and the clamping interface is clamped with the second bending part.

By adopting the technical scheme, the soldering lug and the PCB are stably connected, so that the soldering lug is not easy to fall off from the PCB.

Drawings

Fig. 1 is a schematic structural view of a soldering lug of the present invention;

fig. 2 is a schematic view of the battery structure of the electric bicycle of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

fig. 4 is a schematic diagram of the battery support mechanism of the present invention.

Reference numerals in the drawings indicate: soldering lug 1, soldering lug main part 11, portion of bending 12, first portion of bending 121, second portion of bending 122, third portion of bending 123, soldering groove 124, battery holder 2, PCB board 3, group battery 4, holding tank 21, inclined plane 22, slope boss 23, joint mouth 31.

Detailed Description

To facilitate understanding of the present invention by those skilled in the art, the present invention will be further described with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.

Fig. 1 to 4 schematically show the soldering lug of the present invention and the electric bicycle battery using the same.

As shown in fig. 1, the soldering lug 1 of the present invention includes a soldering lug main body 11, and the soldering lug main body 11 is a thin sheet made of hardware material, such as a nickel sheet. The two ends of the soldering lug main body 11 are big and the middle is small, and the soldering lug main body is in a dumbbell shape. Both ends of soldering lug main part 11 all are circular-arc, make soldering lug main part 11 and electric bicycle battery's group battery looks adaptation to make soldering lug 1 be applicable to the electric bicycle battery. The two ends of the lug main body 11 are respectively provided with a waist-shaped welding groove 124 at the middle position thereof, and the lug 1 can be welded on the battery pack of the electric bicycle battery through the welding grooves 124. One side of the soldering lug main body 11 extends outwards and is bent to form a bent part 12. Specifically, the bent portion 12 is formed by extending and bending outward from a connection between the head portion and the intermediate portion of the tab main body 11. The bending portion 12 includes a first bending portion 121, a second bending portion 122 and a third bending portion 123, and the first bending portion 121, the second bending portion 122 and the third bending portion 123 are connected together to form a substantially horizontal U-shape.

The utility model discloses a soldering lug simple structure adopts hardware material an organic whole to make, and the preparation is convenient, and the soldering lug can be applied to the electric bicycle battery as the electricity connecting part.

Another aspect of the utility model provides an electric bicycle battery of using above-mentioned soldering lug.

As shown in fig. 1 to 4, the battery of the electric bicycle of the present invention includes a soldering terminal 1, a battery holder 2 and a PCB 3. Install group battery 4 in battery holder 2, PCB board 3 erects in battery holder 2 top, and group battery 4 is connected with PCB board 3 electricity through soldering lug 1.

Specifically, battery holder 2 sets up holding tank 21 in the relevant position department that PCB board 3 passes through, and the lateral wall of holding tank 21 and the shape looks adaptation of the portion 12 of bending of soldering lug 1, holding tank 21 are used for holding the portion 12 of bending, and PCB board 3 passes the portion 12 of bending and is in the same place with the welding of the portion 12 of bending. Tab body 11 of tab 1 is welded to battery pack 4 through kidney-shaped weld groove 124. Therefore, the battery pack 4 is electrically connected with the PCB 3 through the soldering lug 1, and the method is simple and convenient.

Bending portion 12 includes first bending portion 121, second bending portion 122 and third bending portion 123, and PCB board 3 passes the U type space that forms between first bending portion 121, second bending portion 122 and the third bending portion 123, makes third bending portion 123 can laminate and weld on PCB board 3 with PCB board 3.

The lateral wall of holding tank 21 sets gradually inclined plane 22 and slope boss 23 from supreme down, and the back and the inclined plane 22 laminating of first portion 121 of bending, second portion 122 of bending support and lean on slope boss 23, make the difficult emergence displacement of soldering lug 1, guarantee soldering lug 1 and PCB board 3 welded steadiness. Set up joint interface 31 on the side of PCB board 3, joint interface 31 and the joint of the portion 122 of bending of second, soldering lug 1 forms firm the connection with PCB board 3, makes soldering lug 1 be difficult for droing from PCB board 3.

The utility model discloses a group battery of electric bicycle battery passes through the soldering lug and is connected with PCB board electricity, and the PCB board passes the soldering lug and with soldering lug laminating welding, compares with prior art, need not to set up the through-hole on the PCB board and supply the soldering lug to pass, has improved the intensity of PCB board and has guaranteed that the heavy current passes through, satisfies the designing requirement.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. Soldering lug, its characterized in that: including the soldering lug main part, the soldering lug main part is the integrative thin slice of making of five metals material, one side of soldering lug main part outwards extends and bends and form the portion of bending, the portion of bending includes first portion of bending, second portion of bending and third portion of bending, first portion of bending the second portion of bending with link into between the third portion of bending and be "U" style of calligraphy of lying down.

2. The solder lug of claim 1, wherein: the two ends of the soldering lug main body are big and the middle is small, and the soldering lug main body is in a dumbbell shape.

3. The solder lug of claim 2, wherein: the two ends of the soldering lug main body are arc-shaped.

4. The solder lug of claim 2, wherein: two ends of the soldering lug main body are respectively provided with a soldering groove at the middle position.

5. The solder lug of claim 4, wherein: the welding groove is a waist-shaped groove.

6. An electric bicycle battery to which the tab of any one of claims 1 to 5 is applied, characterized in that: including soldering lug, battery holder and PCB board, installation group battery in the battery holder, the PCB grillage is established battery holder top, the group battery passes through the soldering lug with PCB board electricity is connected.

7. The electric bicycle battery of claim 6, wherein: the battery support is in the relevant position department that the PCB board passes through sets up the holding tank, the lateral wall of holding tank with the shape looks adaptation of the portion of bending of soldering lug, the holding tank is used for holding the portion of bending, the PCB board pass the portion of bending and with the portion welding of bending.

8. The electric bicycle battery of claim 7, wherein: the bending part comprises a first bending part, a second bending part and a third bending part, the third bending part is welded with the PCB, and a soldering lug main body of the soldering lug is welded with the battery pack.

9. The electric bicycle battery of claim 8, wherein: follow supreme inclined plane and the slope boss of setting gradually down on the lateral wall of holding tank, the back of first portion of bending with the inclined plane laminating, the second portion of bending support and lean on the slope boss.

10. The electric bicycle battery of claim 8, wherein: the side of PCB board sets up the joint interface, the joint interface with bend the portion joint.