CN216773456U

CN216773456U - Copper-nickel composite sheet for connecting lithium ion battery

Info

Publication number: CN216773456U
Application number: CN202123399866.9U
Authority: CN
Inventors: 钟玉军
Original assignee: Jiangsu Jiuxingyuan New Energy Technology Co ltd
Current assignee: Jiangsu Jiuxingyuan New Energy Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-17
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a copper-nickel composite sheet for connecting a lithium ion battery, and particularly relates to the technical field of battery connecting sheets. According to the copper-nickel composite sheet for connecting the lithium ion battery, the connecting piece is arranged, when one welding piece is broken and damaged, the normal work of the copper-nickel composite sheet is not influenced, the damaged welding piece can be taken down and replaced by a new welding piece, the operation is simple and convenient, the actual use cost can be effectively reduced, the material waste is reduced, and the practicability is remarkably improved.

Description

Copper-nickel composite sheet for connecting lithium ion battery

Technical Field

The utility model relates to the technical field of battery connecting sheets, in particular to a copper-nickel composite sheet for connecting a lithium ion battery.

Background

The lithium ion battery is the preferred power source for people because of its advantages of high energy density, safety, small volume, etc. The single batteries of the power battery pack are connected in series or in parallel to form the power battery pack, so that various power requirements of the automobile are met. The electrode terminals of the single batteries are correspondingly connected to form series connection or parallel connection between the single batteries, so that the power battery pack is formed. Obviously, since the power output of the power battery is extremely dependent on the connection structure of the electrode terminals, the connection structure between the electrode terminals of the respective unit cells has a large influence on the performance of the power battery, and the reliability, internal resistance, and the like of the connection structure are closely related to the stability and power output performance of the power battery.

In the prior art, the power battery packs are connected in series or in parallel through battery connecting sheets, one end of each battery connecting sheet is connected with the positive end of each power battery pack during connection, and the other end of each battery connecting sheet is connected with the negative end of each power battery pack. The nickel sheet of the existing copper-nickel composite sheet is often flat, and the existing copper-nickel composite sheet has the following defects: power battery pack often appears because of rocking the phenomenon that great and lead to nickel piece and group battery welding part separation in the use to and present compound piece causes single nickel piece to damage easily, causes the problem that needs to change whole copper nickel compound piece, and this has improved use cost undoubtedly, so, we provide a lithium ion battery and connect and use copper nickel compound piece.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a copper-nickel composite sheet for connecting a lithium ion battery, which can effectively solve the problems in the background technology.

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

a copper-nickel composite sheet for connecting a lithium ion battery comprises a copper sheet and a nickel sheet, wherein two first U-shaped openings are formed in the edge of the copper sheet, two second U-shaped openings are formed in the edge of the nickel sheet, the two second U-shaped openings are respectively positioned right above the two first U-shaped openings, four corners of the copper sheet and the nickel sheet are respectively provided with a mounting hole which is penetrated through from top to bottom, the nickel sheet is fixedly arranged at the upper end of the copper sheet in an overlapping way, and the upper end of the nickel sheet is provided with a plurality of accommodating cavities, the accommodating cavities are all internally provided with rubber limiting parts, connecting pieces and fixing seats, two welding parts are inserted at two sides of the fixed seat, the fixed seat comprises two fixed plates and a connecting plate, and connecting plate fixed connection is between two fixed plates and rather than integrated into one piece, two fixed plate symmetry fixed mounting holds the chamber diapire, and the spout has all been seted up to the one side that the lower terminal surface of two fixed plates kept away from each other.

Preferably, the rubber locating part includes rubber backing plate and rubber curb plate, the rubber curb plate is provided with two and respectively fixed connection at the both ends of rubber backing plate, two rubber curb plate and rubber backing plate integrated into one piece, and the equal fixedly connected with rubber slide in one end lower part that two rubber curb plates are close to each other, rubber slide and rubber curb plate integrated into one piece.

Preferably, the distance between the two rubber sliding plates is equal to the distance between the two sliding chutes, and the size of the rubber sliding plate is equal to that of the sliding chute.

Preferably, the welding piece includes the fixed block, the lower extreme fixed mounting of fixed block has the L template, the vertical part inboard fixed mounting of L template has the clamp plate, the one end fixed mounting that the fixed block is close to the L template has the horizontal plate, and the up end of horizontal plate keeps away from one side of fixed block and has seted up two rectangular channels.

Preferably, inserting joints are arranged between the two fixing plates and two side walls of the containing cavity respectively, the horizontal part of the L-shaped plate is inserted into the sliding groove, and the vertical part of the L-shaped plate is inserted into the inserting joints to insert the welding part into the containing cavity.

Preferably, when the welding part is inserted into the accommodating cavity, the lower end surface of the pressure plate is tightly attached to the upper end surface of the fixing plate.

Preferably, the connecting piece includes the roof, four inserted bar inserted bars are fixedly mounted to the lower extreme rectangular array of roof.

Preferably, a plurality of tooth sockets are formed in the bottom wall of the inner cavity of the accommodating cavity, the tooth sockets are located below the rubber base plate, and a plurality of racks matched with the tooth sockets for use are arranged at the lower end of the rubber base plate.

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

by arranging the connecting piece, in the actual use process, when one welding piece is broken and damaged, the connection between the connecting piece and the other welding piece is not affected, and the normal work of the copper-nickel composite sheet is further not affected; through being provided with the rubber locating part, when the welding of damage is changed to needs, through taking the inserted bar out from the rectangular channel, take off the connecting piece, then lift up the rubber backing plate and make its below rack and tooth's socket break away from each other, can take off the rubber locating part, this moment with the welding of damage take off change on new welding can, easy operation is convenient, can effectively reduce the in-service use cost, reduce the waste of material, the practicality has showing the promotion.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the structure of FIG. 1 at A in accordance with the present invention;

FIG. 3 is a schematic view of the mounting position of the fixing base of the present invention;

FIG. 4 is a schematic view of an overall structure of a rubber stopper according to the present invention;

FIG. 5 is a schematic view of the overall structure of the weldment of the present invention;

FIG. 6 is a schematic view showing the overall structure of the connector of the present invention;

fig. 7 is a schematic view of the overall structure of the fixing base of the present invention.

In the figure: 1. a copper sheet; 2. a nickel sheet; 3. mounting holes; 4. a first U-shaped opening; 5. a second U-shaped opening; 6. an accommodating chamber; 7. a rubber stopper; 71. a rubber pad plate; 72. a rubber side plate; 73. a rubber slide plate; 8. a welding part; 81. a fixed block; 82. a horizontal plate; 83. a rectangular groove; 84. an L-shaped plate; 85. pressing a plate; 9. a connecting member; 91. a top plate; 92. inserting a rod; 10. a fixed seat; 101. a fixing plate; 102. a connecting plate; 103. a chute; 11. a tooth socket.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further explained below by combining the attached drawings and the detailed implementation modes.

As shown in fig. 1-6, a copper-nickel composite sheet for connecting lithium ion batteries comprises a copper sheet 1 and a nickel sheet 2, wherein two first U-shaped openings 4 are formed at the edge of the copper sheet 1, two second U-shaped openings 5 are formed at the edge of the nickel sheet 2, the two second U-shaped openings 5 are respectively located right above the two first U-shaped openings 4, four corners of the copper sheet 1 and the nickel sheet 2 are respectively provided with a mounting hole 3 which penetrates up and down, so as to fix the whole copper-nickel composite sheet, the nickel sheet 2 is fixedly stacked on the upper end of the copper sheet 1, the upper end of the nickel sheet 2 is provided with a plurality of accommodating cavities 6, the accommodating cavities 6 are respectively provided with a rubber stopper 7, a connecting piece 9 and a fixing seat 10, two welding pieces 8 are inserted into two sides of the fixing seat 10, the fixing seat 10 comprises two fixing plates 101 and a connecting plate 102, and the connecting plate 102 is fixedly connected between the two fixing plates 101 and integrally formed therewith, two fixed plate 101 symmetry fixed mounting hold 6 diapalls in the chamber, and the spout 103 has all been seted up to the one side that the lower terminal surface of two fixed plate 101 kept away from each other.

Referring to fig. 3, 4 and 7, the rubber stopper 7 includes a rubber pad 71 and two rubber side plates 72, the two rubber side plates 72 are respectively and fixedly connected to two ends of the rubber pad 71, the two rubber side plates 72 and the rubber pad 71 are integrally formed, the lower parts of the two adjacent ends of the two rubber side plates 72 are respectively and fixedly connected to a rubber sliding plate 73, and the rubber sliding plate 73 and the rubber side plates 72 are integrally formed; it should be noted that, in the present invention, the distance between the two rubber sliding plates 73 is equal to the distance between the two sliding chutes 103, and the size of the rubber sliding plate 73 is the same as the size of the sliding chute 103, when in actual use, the rubber sliding plate 73 is inserted into the sliding groove 103 to fix the rubber limiting piece 7, and the friction force between the rubber limiting piece 7 and the side walls of the accommodating cavity 6 and the fixed seat 10 can ensure that the welding piece 8 is connected and fastened with the fixed seat 10 and the accommodating cavity 6, in the utility model, the bottom wall of the inner cavity of the accommodating cavity 6 is provided with a plurality of tooth grooves 11, the tooth grooves 11 are positioned below the rubber limiting piece 7, the lower end of the rubber base plate 71 is provided with a plurality of racks matched with the tooth grooves 11 for use, the friction force between the rubber limiting piece 7 and the accommodating cavity 6 can be further improved by utilizing the matching of the racks and the tooth grooves 11, and the separation of a welding piece 8 caused by the sliding-out of the rubber limiting piece 7 in the daily use process is avoided.

Referring to fig. 5 and 3, the welding part 8 includes a fixing block 81, an L-shaped plate 84 is fixedly mounted at the lower end of the fixing block 81, a pressing plate 85 is fixedly mounted inside the vertical portion of the L-shaped plate 84, a horizontal plate 82 is fixedly mounted at one end of the fixing block 81 close to the L-shaped plate 84, and two rectangular grooves 83 are formed in one side of the upper end surface of the horizontal plate 82 far from the fixing block 81; it should be noted that in the present invention, insertion joints are respectively provided between the two fixing plates 101 and the two side walls of the accommodating cavity 6, the horizontal portion of the L-shaped plate 84 is inserted into the sliding groove 103, and the vertical portion of the L-shaped plate 84 is inserted into the insertion joints to insert the welding member 8 into the accommodating cavity 6, so that the insertion work of the welding member 8 can be completed, and when the welding member 8 is broken, only the rubber stopper 7 needs to be taken out to replace the welding member 8.

It should be noted that, when the welding member 8 is inserted into the accommodating cavity 6, the lower end surface of the pressure plate 85 is tightly attached to the upper end surface of the fixing plate 101, so as to further improve the stability of the welding member 8 inserted into the accommodating cavity 6.

As shown in fig. 6 and 5, the connecting member 9 includes a top plate 91, and four insertion rods 92 are fixedly mounted on a lower rectangular array of the top plate 91; it should be noted that, in practice, four insertion rods 92 are respectively inserted into four rectangular grooves 83, and the insertion rods 92 bend the insertion rods after insertion, so as to prevent the insertion rods from automatically separating from the rectangular grooves 83, and further complete the fixation of the connecting piece 9 and two welding pieces 8 in the same accommodating cavity 6, the stability of the connection of the whole connecting piece 9 and the electrode end of the battery pack can be ensured through the raised top plate 91, and meanwhile, the simultaneous welding of two parts is also avoided, so that the operation difficulty is reduced, when one of the fixing blocks 81 is broken and damaged, the connection between the connecting piece 9 and the other welding piece 8 is not affected, and the insertion rods 92 can be pulled out from the rectangular grooves 83, so that the damaged welding pieces 8 can be replaced.

In summary, the working principle of the utility model is as follows: through being provided with connecting piece 9, in the in-process of in-service use, when one of them fixed block 81 breaks down and damages, utilize inserted bar 92 and rectangular channel 83 cooperation, can make the connection between connecting piece 9 and another welding piece 8 not influenced, when needing to change the welding piece 8 that damages, through taking out inserted bar 92 from rectangular channel 83, take off connecting piece 9, then lift up rubber backing plate 71 and make the rack and the tooth's socket 11 of its below break away from each other, take out rubber slide 73 from spout 103, can take off rubber locating part 7, can pass through L template 84 and spout 103 cooperation this moment, it can to change new welding piece 8 into to take off the welding piece 8 that damages, easy operation is convenient, can effectively reduce the in-service use cost, reduce the waste of material, the practicality has showing and promotes.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a lithium ion battery connects uses copper-nickel composite sheet, includes copper sheet (1) and nickel piece (2), its characterized in that: the edge of the copper sheet (1) is provided with two first U-shaped openings (4), the edge of the nickel sheet (2) is provided with two second U-shaped openings (5), the two second U-shaped openings (5) are respectively positioned right above the two first U-shaped openings (4), four corners of the copper sheet (1) and the nickel sheet (2) are respectively provided with a mounting hole (3) which is vertically penetrated, the nickel sheet (2) is fixedly arranged at the upper end of the copper sheet (1) in a superposed manner, the upper end of the nickel sheet (2) is provided with a plurality of accommodating cavities (6), the accommodating cavities (6) are respectively internally provided with a rubber limiting part (7), a connecting part (9) and a fixed seat (10), two welding parts (8) are inserted at two sides of the fixed seat (10), the fixed seat (10) comprises two fixed plates (101) and a connecting plate (102), and the connecting plate (102) is fixedly connected between the two fixed plates (101) and integrally formed with the fixed plates (101), two fixed plate (101) symmetry fixed mounting holds chamber (6) diapire, and spout (103) have all been seted up to the one side that the lower terminal surface of two fixed plates (101) kept away from each other.

2. The copper-nickel composite sheet for connecting a lithium ion battery according to claim 1, wherein: rubber locating part (7) includes rubber backing plate (71) and rubber curb plate (72), rubber curb plate (72) are provided with two and respectively fixed connection at the both ends of rubber backing plate (71), two rubber curb plate (72) and rubber backing plate (71) integrated into one piece, and two equal fixedly connected with rubber slide (73) in one end lower part that rubber curb plate (72) are close to each other, rubber slide (73) and rubber curb plate (72) integrated into one piece.

3. The copper-nickel composite sheet for connecting a lithium ion battery according to claim 2, wherein: the distance between the two rubber sliding plates (73) is equal to the distance between the two sliding chutes (103), and the size of the rubber sliding plates (73) is equal to that of the sliding chutes (103).

4. The copper-nickel composite sheet for connecting a lithium ion battery according to claim 1, wherein: welding spare (8) are including fixed block (81), the lower extreme fixed mounting of fixed block (81) has L template (84), the vertical part inboard fixed mounting of L template (84) has clamp plate (85), the one end fixed mounting that fixed block (81) are close to L template (84) has horizontal plate (82), and one side that fixed block (81) were kept away from to the up end of horizontal plate (82) has seted up two rectangular channels (83).

5. The copper-nickel composite sheet for connecting a lithium ion battery according to claim 4, wherein: two fixed plates (101) are respectively provided with an inserting joint with two side walls of the accommodating cavity (6), the horizontal part of the L-shaped plate (84) is inserted in the sliding groove (103), and the vertical part of the L-shaped plate (84) is inserted in the inserting joint to insert the welding part (8) in the accommodating cavity (6).

6. The copper-nickel composite sheet for connecting a lithium ion battery according to claim 4, wherein: when the welding piece (8) is inserted into the containing cavity (6), the lower end face of the pressure plate (85) is tightly attached to the upper end face of the fixing plate (101).

7. The copper-nickel composite sheet for connecting a lithium ion battery according to claim 4, wherein: the connecting piece (9) comprises a top plate (91), and four inserted bars (92) are fixedly mounted at the lower end of the top plate (91) in a rectangular array mode.

8. The copper-nickel composite sheet for connecting a lithium ion battery according to claim 2, wherein: a plurality of tooth sockets (11) are arranged on the bottom wall of the inner cavity of the accommodating cavity (6), the tooth sockets (11) are located below the rubber base plate (71), and a plurality of racks matched with the tooth sockets (11) for use are arranged at the lower end of the rubber base plate (71).