CN215266589U

CN215266589U - Prevent iron phosphate lithium cell utmost point ear connecting device that drops

Info

Publication number: CN215266589U
Application number: CN202121394803.1U
Authority: CN
Inventors: 周文杰; 吴欣
Original assignee: Anhui Zhitong New Energy Co ltd
Current assignee: Anhui Zhitong New Energy Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-12-21
Anticipated expiration: 2031-06-22

Abstract

The utility model discloses a prevent iron phosphate lithium battery tab connecting device that drops, including electric core and the utmost point post of setting at electric core top, the welding hole has been seted up on the utmost point post, and be provided with coupling mechanism in the utmost point post, the last utmost point ear that is provided with of coupling mechanism, coupling mechanism is including compressing tightly the subassembly, connecting block and cylinder manifold, it is provided with the connecting block to compress tightly the subassembly bottom, the fixed slot has been seted up on the connecting block, be provided with utmost point ear in the fixed slot, and the connecting block bottom is provided with the cylinder manifold, the cylinder manifold bottom is provided with electric core, it includes rotatory piece to compress tightly the subassembly, screw lead screw and compact heap, rotatory piece bottom is provided with the screw lead screw, the one end that rotatory piece was kept away from to the screw lead screw runs through out utmost point post and is connected with the compact heap. The device can prevent utmost point ear from droing when utmost point ear welding, and the people of being convenient for weld.

Description

Prevent iron phosphate lithium cell utmost point ear connecting device that drops

Technical Field

The utility model relates to a lithium iron phosphate battery field especially relates to a prevent lithium iron phosphate battery utmost point ear connecting device that drops.

Background

A lithium iron phosphate battery is a lithium iron phosphate (LiFePO)₄) The lithium ion battery with carbon as a cathode material as an anode material has a monomer rated voltage of 3.2V and a charge cut-off voltage of 3.6V-3.65V, and part of lithium ions in lithium iron phosphate are removed in the charging process, transferred to a cathode through an electrolyte and embedded into a cathode carbon material; meanwhile, electrons are released from the anode and reach the cathode from an external circuit, so that the balance of chemical reaction is maintained. In the discharging process, lithium ions are separated from a negative electrode and reach a positive electrode through electrolyte, meanwhile, electrons are released from the negative electrode and reach the positive electrode from an external circuit to provide energy for the outside, the lithium iron phosphate battery has the advantages of high working voltage, high energy density, long cycle life, good safety performance, small self-discharging rate and no memory effect, the battery is divided into the positive electrode and the negative electrode, tabs are metal conductors leading out the positive electrode and the negative electrode from a battery core, and ears of the positive electrode and the negative electrode of the battery are contact points during charging and discharging.

The existing lithium iron phosphate battery tab is mainly placed on a terminal post in the connection process and then welded, so that the tab is connected to achieve the effect of being capable of being used.

Although the conventional lithium iron phosphate battery tab can be welded, the tab is easy to fall off when placed, so that the workload is increased, and the working efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a prevent iron phosphate lithium cell utmost point ear connecting device that drops has solved among the prior art when utmost point ear is placed, drops easily, causes the increase of work load to reduce work efficiency's technical problem.

The technical scheme of the utility model is realized like this:

the utility model provides a prevent iron phosphate lithium cell utmost point ear connecting device that drops, is in including electric core and setting the utmost point post at electric core top, the welding hole has been seted up on the utmost point post, just be provided with coupling mechanism in the utmost point post, the last utmost point ear that is provided with of coupling mechanism.

The connecting mechanism comprises a pressing assembly, a connecting block and a bus bar, wherein the bottom of the pressing assembly is provided with the connecting block, a fixing groove is formed in the connecting block, the lug is arranged in the fixing groove, the bottom of the connecting block is provided with the bus bar, and the bottom of the bus bar is provided with the battery core.

The pressing assembly comprises a rotating block, a threaded lead screw and a pressing block, the threaded lead screw is arranged at the bottom of the rotating block, one end, far away from the rotating block, of the threaded lead screw penetrates through the pole, a threaded block is arranged on the threaded lead screw, and two sides of the threaded block are connected with the inner wall of the pole through moving blocks.

Preferably, the bottom of the lug is provided with an L-shaped conductive fixing block, and the L-shaped conductive fixing block is matched with the fixing groove.

Preferably, the pressing block is made of an insulating material.

Preferably, a sliding groove is formed in the inner wall of the pole, the sliding block is arranged in the sliding groove, and the sliding block is arranged on the moving block.

Preferably, an insulating pad is arranged at the bottom of the threaded screw rod.

The utility model has the advantages that: the top of the electric core is provided with a pole, a welding hole is formed on the pole, a connecting mechanism is arranged in the pole, a pole ear is arranged on the connecting mechanism, the pole ear is fixed on the pole through the connecting mechanism, welding is carried out through the welding hole, the bottom of the compressing assembly is provided with a connecting block, a fixing groove is formed on the connecting block, the pole ear is arranged in the fixing groove, the bottom of the connecting block is provided with a bus plate, the bottom of the bus plate is provided with an electric core, the pole ear is fixed through the fixing groove, the pole ear is compressed and fixed through the compressing assembly, the bottom of the rotating block is provided with a threaded lead screw, one end of the threaded lead screw, which is far away from the rotating block, penetrates out of the pole, a threaded block is arranged on the threaded lead screw, two sides of the threaded block are connected with the inner wall of the pole through moving blocks, the threaded block drives the moving blocks to slide on the inner wall through the threaded lead screw, and compresses the pole ear, the device can prevent utmost point ear from droing when utmost point ear welding, and the people of being convenient for weld.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic block diagram of the overall structure of a lithium iron phosphate battery tab connection device for preventing falling off according to the present invention;

fig. 2 is a schematic structural view of a pole in the anti-falling lithium iron phosphate battery tab connection device of the present invention;

fig. 3 is a schematic structural view of an internal cross-sectional view of a pole of a lithium iron phosphate battery tab connection device for preventing falling off according to the present invention;

fig. 4 is a schematic structural diagram of a connection block of the anti-falling lithium iron phosphate battery tab connection device of the present invention;

fig. 5 is the utility model relates to a prevent structure schematic diagram of lithium iron phosphate battery utmost point ear connecting device slider that drops.

Reference numerals: 1. an electric core; 101. a pole column; 102. welding the hole; 103. a tab; 104. connecting blocks; 105. a bus bar; 106. fixing grooves; 107. a threaded lead screw; 108. a compression block; 109. a thread block; 110. a moving block; 111. an L-shaped conductive fixing block; 112. a chute; 113. a slider; 114. the block is rotated.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the utility model provides a prevent technical scheme of lithium iron phosphate battery utmost point ear connecting device that drops:

the utility model provides a prevent iron phosphate lithium battery utmost point ear connecting device that drops, includes electric core 1 and sets up the utmost point post 101 at electric core 1 top, has seted up welding hole 102 on the utmost point post 101, and is provided with coupling mechanism in the utmost point post 101, is provided with utmost point ear 103 on the coupling mechanism, makes utmost point ear 103 pass through coupling mechanism and fixes on utmost point post 101, then welds through welding hole 102.

Coupling mechanism is including compressing tightly the subassembly, connecting block 104 and cylinder manifold 105, compresses tightly the subassembly bottom and is provided with connecting block 104, has seted up fixed slot 106 on the connecting block 104, is provided with utmost point ear 103 in the fixed slot 106, and connecting block 104 bottom is provided with cylinder manifold 105, and cylinder manifold 105 bottom is provided with electric core 1, fixes utmost point ear 103 through fixed slot 106 on the connecting block 104, then compresses tightly fixedly utmost point ear 103 through compressing tightly the subassembly.

The compressing assembly comprises a rotating block 114, a threaded lead screw 107 and a compressing block 108, the threaded lead screw 107 is arranged at the bottom of the rotating block 114, one end, far away from the rotating block 114, of the threaded lead screw 107 penetrates out of the pole 101, a threaded block 109 is arranged on the threaded lead screw 107, two sides of the threaded block 109 are connected with the inner wall of the pole 101 through a moving block 110, the threaded lead screw 107 is driven through the rotating block 114 to enable the threaded block 109 to drive the moving block 110 to slide on the inner wall, and the pole lug 103 is compressed through the compressing block 108.

The bottom of the tab 103 is provided with an L-shaped conductive fixing block 111, and the L-shaped conductive fixing block 111 is matched with the fixing groove 106, so that the L-shaped conductive fixing block 111 on the tab enters the fixing groove 106, and a fixing effect is achieved.

The pressing block 108 is made of an insulating material, so that an insulating effect is achieved.

The inner wall of the pole 101 is provided with a sliding groove 112, a sliding block 113 is arranged in the sliding groove 112, the sliding block 113 is arranged on the moving block 110, and the sliding block 113 drives the moving block 110 to move through the sliding groove 112.

The bottom of the threaded screw rod 107 is provided with an insulating pad, so that an insulating effect is achieved.

The utility model discloses a theory of operation and use flow: the device has the advantages that firstly, the L-shaped conductive fixing block 111 on the lug enters the fixing groove 106 to achieve a fixing effect, the rotating block 114 drives the threaded lead screw 107 to enable the threaded block 109 to drive the moving block 110 to slide on the inner wall, the lug 103 is compressed through the compression block 108, the sliding block 113 drives the moving block 110 to move through the sliding groove 112, then welding is conducted through the welding hole 102, the compression block 108 is made of an insulating material to achieve an insulating effect, the device can prevent the lug from falling off when the lug is welded, and people can weld the lug conveniently.

The basic principles, main features and advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and only the preferred embodiments of the present invention are described in the above embodiments and the description, and the present invention is not limited by the above embodiments, and the present invention can also have various changes and improvements, which fall within the scope of the claimed 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. The utility model provides a prevent lithium iron phosphate battery tab connecting device that drops which characterized in that: the battery comprises a battery cell (1) and a pole (101) arranged on the top of the battery cell (1); a welding hole (102) is formed in the pole (101), and a connecting mechanism is arranged in the pole (101); a tab (103) is arranged on the connecting mechanism;

the connecting mechanism comprises a pressing assembly, a connecting block (104) and a bus board (105); the bottom of the compressing assembly is provided with the connecting block (104); a fixing groove (106) is formed in the connecting block (104); the tabs (103) are arranged in the fixing grooves (106), and the bus board (105) is arranged at the bottom of the connecting block (104); the battery cell (1) is arranged at the bottom of the bus bar (105);

the pressing assembly comprises a rotating block (114), a threaded screw rod (107) and a pressing block (108); the bottom of the rotating block (114) is provided with the threaded screw rod (107); one end, far away from the rotating block (114), of the threaded screw rod (107) penetrates through the pole (101), and a threaded block (109) is arranged on the threaded screw rod (107); both sides of the thread block (109) are connected with the inner wall of the pole (101) through a moving block (110).

2. The lithium iron phosphate battery tab connection device for preventing the falling off as claimed in claim 1, wherein: the bottom of the tab (103) is provided with an L-shaped conductive fixing block (111), and the L-shaped conductive fixing block (111) is matched with the fixing groove (106).

3. The lithium iron phosphate battery tab connection device for preventing the falling off as claimed in claim 1, wherein: the pressing block (108) is made of insulating materials.

4. The lithium iron phosphate battery tab connection device for preventing the falling off as claimed in claim 1, wherein: a sliding groove (112) is formed in the inner wall of the pole (101), a sliding block (113) is arranged in the sliding groove (112), and the sliding block (113) is arranged on a moving block (110).

5. The lithium iron phosphate battery tab connection device for preventing the falling off as claimed in claim 1, wherein: and an insulating pad is arranged at the bottom of the threaded screw rod (107).