CN216213670U

CN216213670U - Adjustable charging contact assembly for battery with lugs at two ends

Info

Publication number: CN216213670U
Application number: CN202122762069.6U
Authority: CN
Inventors: 杨国乐; 郭梦军
Original assignee: Shenzhen Chuangyou Automation Equipment Co ltd
Current assignee: Shenzhen Chuangyou Automation Equipment Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-04-05
Anticipated expiration: 2031-11-10

Abstract

The utility model discloses a charging contact assembly with adjustable battery with lugs at two ends, which comprises: the PCB board is equipped with the gilding contact, the central line of spring with the key coincidence of gilding contact. This contact subassembly is equipped with customized conical spring, and when hot plate assembly pushed down, the conical spring of upper contact subassembly contacted the utmost point ear of lower floor's battery with gilt contact pressfitting, under the prerequisite of guaranteeing into the effect, this kind of structure adopted the mode of utmost point ear briquetting more economical than the tradition, has saved the cost. The laminated plate is not required to be grooved, the spring has a large compression range size, and the occupied thickness space is small during compression, so that the spring pressing lug is adopted, and the laminated plate can be suitable for batteries with various thickness sizes. The contact assembly is provided with a waist-shaped hole on the side surface, so that the contact assembly can move left and right, and is suitable for batteries with various length sizes.

Description

Adjustable charging contact assembly for battery with lugs at two ends

Technical Field

The utility model relates to the field of battery formation, in particular to a battery adjustable charging contact assembly with lugs at two ends.

Background

The hot-pressing formation of the battery refers to that a pressing plate is pressed on the surface of the battery under the states of constant temperature and constant pressure, and simultaneously positive and negative active substances in the battery are activated through certain charging current, so that the deformation of the battery is improved, the surface of the battery is smooth, and an SEI film on the surface of a pole piece is formed more compactly. The process of the primary thermocompression charging of the battery is called thermocompression formation.

In the pressure formation, a contact is usually arranged on the top surface of the laminated plate, a tab pressing block is arranged on the bottom surface of the laminated plate in a groove, and when a battery with a tab at one end is manufactured, the battery is not influenced by the height and the thickness of the battery. When the battery with the lugs at the two ends is manufactured, only special equipment can be customized, or the thin alligator clip is used for temporary connection, so that the mass production is inconvenient, and the flexible use of various varieties is impossible. Because the hot pressing formation machine of the lugs at two ends can only open the grooves according to the length and thickness of the battery to order the lug pressing block position, the hot pressing formation machine can not be used universally when batteries with different lengths and thickness are manufactured.

Accordingly, the prior art is deficient and needs improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a battery adjustable charging contact assembly with lugs at two ends.

The technical scheme of the utility model is as follows: a charging contact assembly with adjustable both ends utmost point ear battery includes: the contact seat, locate the PCB board of contact seat top surface, locate the spring holder of contact seat bottom surface and locating the spring of spring holder bottom surface, be equipped with the gilding contact on the PCB board, the central line of spring with the key coincidence of gilding contact.

Furthermore, the contact base comprises a horizontal part and a vertical part arranged on the side surface of the horizontal part, the vertical part is perpendicular to the horizontal part, the PCB is arranged on the horizontal part, the horizontal part is fixedly arranged on the top surface of the laminate, the vertical part is fixedly arranged on the side surface of the laminate, and the spring seat is positioned on the bottom surface of the laminate.

Furthermore, a waist-shaped hole is formed in the vertical portion, a threaded hole is formed in the side face of the layer plate corresponding to the waist-shaped hole, and a screw penetrates through the waist-shaped hole and is locked in the threaded hole.

Further, the spring is a conical spring, and a large-diameter end of the conical spring is fixed on the spring seat.

Furthermore, the spring seat is a stainless steel sheet, and the spring seat and the spring are connected through punching, turning and riveting.

Furthermore, the utility model also comprises a limiting part arranged beside the gold-plated contact, wherein the limiting part is used for limiting the position of the lug.

Furthermore, the limiting part is a manganese steel spring piece, and the position of the contact seat and the position of the PCB, which correspond to the limiting part, are provided with accommodating cavities.

By adopting the scheme, the utility model has the following beneficial effects:

1. the contact assembly is provided with the customized conical spring, when the heating plate assembly presses down, the conical spring of the upper layer contact assembly presses the lug of the lower layer battery and the gold-plated contact, and on the premise of ensuring the formation effect, the structure is more economical than the traditional mode of adopting a lug pressing block, so that the cost is saved;

2. the contact assembly does not need to be grooved on the laminate, and the spring has a large compression range size and occupies a small thickness space during compression, so that the tab is pressed by the spring, and the contact assembly can be suitable for batteries with various thickness sizes;

3. the contact assembly is provided with a waist-shaped hole on the side surface, so that the contact assembly can move left and right, and is suitable for batteries with various length sizes.

Drawings

Fig. 1 is a first structural schematic diagram of the present invention.

Fig. 2 is a second structural schematic diagram of the present invention.

Detailed Description

The utility model is described in detail below with reference to the figures and the specific embodiments.

Referring to fig. 1 and 2, the present invention provides an adjustable charging contact assembly for a battery with two terminal tabs, comprising: contact seat 1, locate the PCB board 2 of 1 top surface of contact seat, locate the spring holder 3 of 1 bottom surface of contact seat and locate the spring 4 of 3 bottom surfaces of spring holder. And a gold-plated contact 5 is arranged on the PCB 2, and a lug of the battery is placed on the gold-plated contact 5 during formation. The center line of the spring 4 coincides with the focus of the gold-plated contact 5, so that the spring 4 on the upper layer plate is exactly aligned with the tab on the lower layer plate when the spring is formed.

The contact base 1 comprises a horizontal part 11 and a vertical part 12 arranged on the side surface of the horizontal part 11, wherein the vertical part 12 is perpendicular to the horizontal part 11. The PCB board 2 is arranged on the horizontal part 11, the horizontal part 11 is fixedly arranged on the top surface of the laminate, the vertical part 12 is fixedly arranged on the side surface of the laminate, and the spring seat 3 is positioned on the bottom surface of the laminate. In the present embodiment, the horizontal portion 11 is integrally formed with the vertical portion 12.

The vertical portion 12 is provided with a waist-shaped hole 6, the side face of the laminate is provided with a threaded hole corresponding to the waist-shaped hole 6, and a screw penetrates through the waist-shaped hole 6 and is locked in the threaded hole. When the battery formation device is used for battery formation of lugs at two ends, a contact assembly is placed on the left side and the right side of the battery, and each contact assembly corresponds to the formation of one lug. Due to the kidney-shaped holes 6, the positions of the contact assemblies can be adjusted left and right, so that the distance between the two sets of contact assemblies can be adjusted, and the battery can be adapted to batteries with different sizes.

The spring 4 is a conical spring, and the large-diameter end of the conical spring is fixed on the spring seat 3. In the process of pressing down, the small-diameter end of the conical spring presses the lug, so that the lug is attached to the gold-plated area on the PCB 2 to ensure the formation effect of the battery. The conical spring can achieve a nearly fully compressed state when compressed, so that the conical spring can be adapted to batteries of different thicknesses.

The utility model also comprises a limiting part 7 arranged at the side of the gold-plated contact 5, wherein the limiting part 7 is used for limiting the position of the lug. In this embodiment, the limiting portion 7 is a manganese steel spring piece, the positions of the contact base 1 and the PCB 2 corresponding to the limiting portion 7 are provided with an accommodating cavity, and the limiting portion 7 is located in the accommodating cavity. In a normal state, the manganese steel spring piece is stretched to limit the polar lug. When the manganese steel spring piece is formed, the manganese steel spring piece is pressed into the accommodating cavity without occupying space.

In this embodiment, the spring seat 3 is a stainless steel sheet, and the spring seat 3 and the spring 4 are connected by punching and riveting.

In conclusion, the utility model has the following beneficial effects:

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a contact subassembly that charges with adjustable both ends utmost point ear battery which characterized in that includes: the contact base, locate the PCB board of contact base top surface, locate the spring holder of contact base bottom surface and locate the spring of spring holder bottom surface, be equipped with the gilding contact on the PCB board, the central line of spring with the mid point coincidence of gilding contact.

2. The adjustable battery charging contact assembly with two end tabs according to claim 1, wherein the contact base comprises a horizontal portion and a vertical portion disposed on a side surface of the horizontal portion, the vertical portion is perpendicular to the horizontal portion, the PCB is disposed on the horizontal portion, the horizontal portion is fixedly mounted on a top surface of the laminate, the vertical portion is fixedly mounted on a side surface of the laminate, and the spring seat is disposed on a bottom surface of the laminate.

3. The adjustable battery charging contact assembly with two end tabs according to claim 2, wherein the vertical portion is provided with a kidney-shaped hole, the side surface of the laminate plate is provided with a threaded hole corresponding to the kidney-shaped hole, and a screw passes through the kidney-shaped hole and is locked in the threaded hole.

4. The adjustable two-terminal-tab battery charging contact assembly as recited in claim 1, wherein the spring is a conical spring having a larger diameter end secured to the spring seat.

5. The battery adjustable charging contact assembly with two end tabs according to claim 1, wherein the spring seat is a stainless steel sheet, and the spring seat and the spring are connected by punching and riveting.

6. The adjustable battery charging contact assembly with two terminal lugs as claimed in any one of claims 1 to 5, further comprising a limiting part disposed beside the gold-plated contact, wherein the limiting part is used for limiting the position of the terminal lug.

7. The battery adjustable charging contact assembly with two end tabs according to claim 6, wherein the limiting part is a manganese steel spring plate, and the contact base and the PCB are provided with accommodating cavities at positions corresponding to the limiting part.