CN217239682U

CN217239682U - Connecting sheet for lithium battery

Info

Publication number: CN217239682U
Application number: CN202220393790.4U
Authority: CN
Inventors: 常志华
Original assignee: Tianjin Chirui Technology Co ltd
Current assignee: Tianjin Chirui Technology Co ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-08-19
Anticipated expiration: 2032-02-25

Abstract

The utility model discloses a connection piece for lithium cell, construct the connecting seat at connecting plate both ends respectively, two including connecting plate and two the top of connecting seat has all constructed fixed establishment, fixed establishment includes solid fixed ring and activity and sets up in the battery end spacing ring on solid fixed ring top, the both sides on solid fixed ring top have all constructed the deflector, and the spacing intra-annular both sides in battery end have all seted up the spout, two the battery end spacing ring slides respectively and sets up in two spouts, the round hole has been seted up between two parties on the top of connecting plate, and round hole female connection has hexagon socket head cap screw, two the center on connecting seat top is fixed contact plush copper and the contact spring of being provided with respectively. This connection piece for battery need not the welding and can accomplish the connection of battery, has avoided because of welding unstability leads to weld the appearance of welding abnormity such as hourglass welding, rosin joint, explosive fire, has reduced the rejection rate when welding the battery by a wide margin.

Description

Connecting sheet for lithium battery

Technical Field

The utility model belongs to the technical field of the lithium cell, concretely relates to connection piece for lithium cell.

Background

The battery pack refers to series-parallel connection of batteries, the voltage of each battery is required to be the same by the parallel battery pack, the parallel battery pack can provide stronger current, and the battery pack is widely applied to the fields of automobiles, electric bicycles, photovoltaic energy storage and the like.

The existing battery pack is characterized in that batteries are connected together through metal sheets, the connection mode between the metal sheets and the batteries is welding, the metal sheets are flat sheets, salient points are arranged on the metal sheets, and a spot welding machine is used for aligning the positions of the salient points to weld the metal sheets on the anodes of the batteries.

However, when a thin metal sheet is welded on a battery core, the welding process has high requirements on welding process parameters, and due to the fact that the metal sheet and the positive electrode are not easy to be stably fixed, welding abnormalities such as missing welding, false welding and fire explosion are easy to occur, and the rejection rate is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connection piece for lithium cell to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme does:

a connecting sheet for a lithium battery comprises a connecting plate and two connecting seats respectively constructed at two ends of the connecting plate;

the top ends of the two connecting seats are respectively provided with a fixing mechanism, and each fixing mechanism comprises a fixing ring and a battery end limiting ring movably arranged at the top end of the fixing ring;

the guide plates are constructed on two sides of the top end of the fixing ring, the sliding grooves are formed in two sides of the battery end limiting ring, and the two battery end limiting rings are arranged in the two sliding grooves in a sliding mode respectively.

Furthermore, a round hole is formed in the middle of the top end of the connecting plate, and an inner hexagon bolt is connected to the round hole in an inner thread mode.

Furthermore, the centers of the top ends of the two connecting seats are respectively and fixedly provided with a contact raised head and a contact spring.

Furthermore, a limiting plate is arranged at the top end of the guide plate, and a positioning key is arranged in the middle of each of two sides of the guide plate.

Furthermore, guide key grooves are formed in two sides of the sliding groove, and the positioning keys are arranged in the two guide key grooves in a sliding mode respectively.

Compared with the prior art, the utility model discloses following beneficial effect has:

due to the arrangement of the contact raised heads, when the battery is arranged on one side of the connecting seat, the battery end limiting ring can be pulled to move on the two guide plates, so that the limitation on one end of the battery is completed, the connection of the battery can be completed without welding, the welding abnormity such as missing welding, false welding and explosion caused by unstable welding is avoided, and the rejection rate of the welded battery is greatly reduced;

benefit from the setting that is connected with the connecting plate of two connecting seats, twist the assigned position through the hexagon socket head cap screw with in the connecting plate, can accomplish the fixed setting to this connection piece, and the mounting means is simple, and convenient to detach does benefit to user-defined battery mounted position, and application scope is great.

Drawings

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

fig. 2 is a schematic structural view of the fixing mechanism of the present invention;

fig. 3 is an enlarged schematic view of a structure a in fig. 2 according to the present invention.

In the figure: 1. a connecting plate; 2. a connecting seat; 3. a contact nose; 4. a contact spring; 5. a fixing mechanism; 501. a fixing ring; 502. a battery end limiting ring; 503. a guide plate; 504. a limiting plate; 505. a positioning key; 6. and (4) an inner hexagon bolt.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1 to 3, a connecting sheet for a lithium battery comprises a connecting plate 1 and two connecting seats 2 respectively configured at two ends of the connecting plate 1, wherein a fixing mechanism 5 is configured at the top end of each of the two connecting seats 2, each fixing mechanism 5 comprises a fixing ring 501 and a battery end limiting ring 502 movably arranged at the top end of the fixing ring 501, guide plates 503 are configured at two sides of the top end of the fixing ring 501, sliding grooves are formed at two sides in the battery end limiting ring 502, the two battery end limiting rings 502 are respectively slidably arranged in the two sliding grooves, when a battery is mounted at one side of the connecting seat 2, the battery end limiting ring 502 can be pulled to move on the two guide plates 503, so that the limiting of one end of the battery is completed, the connection of the battery can be completed without welding, and the occurrence of welding abnormality such as missing welding, false welding, fire explosion and the like caused by unstable welding is avoided, the rejection rate of the welded battery is greatly reduced.

Wherein, the round hole has been seted up between two parties on the top of connecting plate 1, and round hole female connection has hexagon socket head cap screw 6, two the center on 2 tops of connecting seat is fixed respectively and is provided with contact plush copper 3 and contact spring 4, and through twisting the interior hexagon socket head cap screw 6 in the connecting plate 1 into the assigned position, can accomplish the fixed setting to this connection piece, the mounting means is simple, and convenient to detach does benefit to user-defined battery mounted position, and application scope is great.

Wherein, the top of the guide plate 503 is configured with a positioning plate 504, and both sides of the guide plate 503 are configured with a positioning key 505 in the middle.

Guide key grooves are formed in the two sides of the sliding groove, and the positioning keys 505 are arranged in the two guide key grooves in a sliding mode respectively.

The working principle is as follows: this connection piece for lithium cell, during the use, twist the assigned position through hexagon socket head cap screw 6 with in the connecting plate 1, can accomplish the fixed setting to this connection piece, then when installing the battery in connecting seat 2 one side, and make it pass battery end spacing ring 502, and then accessible pulling battery end spacing ring 502 makes it move on two deflectors 503, thereby accomplish spacingly to battery one end, need not to weld and can accomplish the connection of battery, avoided leading to the hourglass to weld because of the welding is unstable, rosin joint, welding unusual appearance such as deep-fry fire, the rejection rate when having reduced the welding battery by a wide margin, high durability and convenient use, and is simple in operation.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A connecting sheet for a lithium battery comprises a connecting plate (1) and two connecting seats (2) which are respectively constructed at two ends of the connecting plate (1);

the method is characterized in that: the top ends of the two connecting seats (2) are respectively provided with a fixing mechanism (5), and each fixing mechanism (5) comprises a fixing ring (501) and a battery end limiting ring (502) movably arranged at the top end of the fixing ring (501);

the both sides on solid fixed ring (501) top all are constructed deflector (503), and the spout has all been seted up to both sides in battery end spacing ring (502), two battery end spacing ring (502) slide respectively and set up in two spouts.

2. The connecting sheet for a lithium battery as claimed in claim 1, wherein: a round hole is formed in the center of the top end of the connecting plate (1), and an inner hexagon bolt (6) is connected to the round hole in an inner thread mode.

3. The connecting sheet for a lithium battery as claimed in claim 1, wherein: the centers of the top ends of the two connecting seats (2) are respectively and fixedly provided with a contact raised head (3) and a contact spring (4).

4. The connecting sheet for a lithium battery as claimed in claim 1, wherein: a limiting plate (504) is formed at the top end of the guide plate (503), and a positioning key (505) is formed in the middle of each of two sides of the guide plate (503).

5. The connecting sheet for a lithium battery as claimed in claim 4, wherein: the both sides of spout have all been seted up the direction keyway, two positioning key (505) slide respectively and set up in two direction keyways.