CN213483871U

CN213483871U - Lithium battery capable of quickly combining battery packs

Info

Publication number: CN213483871U
Application number: CN202022600667.9U
Authority: CN
Inventors: 杨明强; 童威
Original assignee: Huizhou Tianli New Energy Technology Co ltd
Current assignee: Huizhou Tianli New Energy Technology Co ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-06-18
Anticipated expiration: 2030-11-12

Abstract

The utility model discloses a but lithium cell of fast assembly group battery, including battery, outer box and lid, there is the electrode on the battery top, and there is the battery handle on the battery top, by hinged joint between outer box and the lid, two sheetmetals are installed to the lid bottom, and there is the battery case handle on the lid top, the outer box outside is provided with riveting groove and riveting piece respectively, and riveting groove and riveting piece surface are provided with the electrode contact, spacing post is installed to outer box inboard, and outer box inboard is provided with outage mechanism, outage mechanism includes the separation piece, first spring, pivot, trigger bar and second spring, outer box inboard fixed mounting has resilience frame and screens piece, and outer box inside bottom swing joint has the backup pad. The device is simple and convenient to take out or place the battery, has certain shock resistance, is convenient to assemble and disassemble, and has the characteristic of rapid power failure in emergency.

Description

Lithium battery capable of quickly combining battery packs

Technical Field

The utility model relates to a lithium cell field, in particular to but lithium cell of rapid combination group battery.

Background

Lithium batteries are a type of batteries which use a nonaqueous electrolyte solution and use lithium metal or lithium alloy as a negative electrode material, and the lithium batteries are increasingly widely used due to the advantages of high specific energy, large specific power, long cycle life and no toxic substances.

The traffic accident of taking place unavoidably in daily life because the power of electric motor car is provided by the battery, and in case the electric leakage of battery during the car accident, all very dangerous to electric motor car driver or passenger, takes place for avoiding such dangerous situation, and present safety design is the power supply of utilizing computer system control battery mostly for when the electric motor car bumps, cut off the danger of battery power supply in order to avoid accidental electric shock. The safety design that a plurality of fuses are additionally arranged on a proper circuit of an electric vehicle on the market, a computer system is used for controlling the power supply of a battery and the like, however, the trouble that the battery cannot supply power and the electric vehicle cannot run can be caused in case of error of the computer system. The design of using fuses to block current transmission also increases the complexity of the circuit assembly. When a plurality of lithium batteries are connected for use, generally connecting wires, bolt connection and the like are needed, and the connection and the disassembly are troublesome.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at solving the deficiencies in the prior art and providing a lithium battery of a fast combined battery group.

The technical scheme is as follows: the utility model relates to a lithium battery capable of quickly combining a battery pack, which comprises a battery body, an outer box body and a box cover, wherein the top end of the battery body is provided with an electrode, the top end of the battery body is provided with a battery handle, the outer box body is connected with the box cover through a hinge, the outer box body is positioned outside the battery body, the inner end surface of the box cover is provided with two metal sheets, the outer end surface of the box cover is provided with the battery box handle, the outer wall of the outer box body is respectively provided with a riveting groove and a riveting block, the surfaces of the riveting groove and the riveting block are provided with electrode contacts, the electrode contacts are electrically connected with the battery body, the inner side of the outer box body is provided with a plurality of limiting columns, the inner side of the outer box body is provided with a power-off mechanism, the power-off mechanism comprises a separation sheet arranged inside the outer box body, the two sides, and be connected with the second spring between trigger lever lateral surface and the outer box body, with first spring coupling between outer box body inboard and the separation piece, outer box body inboard fixed mounting has the screens piece, fixed surface is connected with the frame of kick-backing on the screens piece, the inside bottom swing joint of outer box body has the backup pad, and fixedly connected with third spring between backup pad and the outer box body bottom.

The utility model discloses a further improvement lies in, spacing post front end is the hemisphere type structure, and swing joint between spacing post and the battery body.

The utility model discloses a further improvement lies in, the screens piece includes the first screens piece of fixed mounting at outer box inner wall, and first screens piece passes through fifth spring fixedly connected with second screens piece, be connected with the fourth spring between resilience frame and the first screens piece.

The utility model discloses a further improvement lies in, be swing joint between backup pad and the outer box, and the backup pad upper end is provided with the draw-in groove to constitute the block between draw-in groove and the battery body and be connected.

The utility model discloses a further improvement lies in, the sheetmetal is hemispherical structure, and keeps relatively between sheetmetal and the electrode.

The utility model discloses a further improvement lies in, the cross-section of riveting groove and riveting piece all is trapezoidal shape structure, and constitutes riveted structure between riveting groove and the riveting piece.

The utility model discloses a further improvement lies in, be swing joint between separation piece and the trigger bar, and the trigger bar passes through the inner wall constitution elastic construction of second spring and outer box body.

Compared with the prior art, the utility model provides a pair of, following beneficial effect has been realized at least: the device is simple and convenient to take out or place the battery body, the battery body is directly put in, only simple pressing is needed when the battery body is taken out, the arrangement condition of the battery body is stable, and certain shock resistance is realized; the device is convenient to combine, a plurality of devices can form a riveting structure through the riveting grooves and the riveting blocks without bolt connection or excessive wire connection, and the combination and the disassembly are convenient; the device has the characteristic of rapid power failure in emergency, the electric vehicle provided with the device can realize rapid power failure through a mechanical transmission structure under the condition of receiving large impact force, the generation of secondary accidents is avoided, the structure is simple, and the reaction is rapid.

Of course, it is not necessary for any product of the present invention to achieve all of the above-described technical effects simultaneously.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

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

fig. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the power-off mechanism of the present invention;

FIG. 4 is a schematic view of the riveting mechanism of the present invention;

FIG. 5 is an enlarged view of the power-off mechanism of the present invention;

figure 6 is the utility model discloses resilience frame and screens piece enlargements.

Wherein, 1-the battery body; 101-an electrode; 102-a battery handle; 2-outer box body; 3-a box cover; 4-a metal sheet; 5-battery box handle; 6-riveting groove; 7-riveting block; 8-electrode contact; 9-a limiting column; 10-a power-off mechanism; 1001-barrier sheet; 1002-a first spring; 1003-rotating shaft; 1004-trigger lever; 1005-a second spring; 11-a rebound frame; 1101-a fourth spring; 12-a block of stuck bits; 1201-first block of stuck bits; 1202-a fifth spring; 1203-second bit block; 13-a support plate; 14-a card slot; 15-third spring.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

The utility model relates to a lithium battery capable of quickly assembling a battery pack, which comprises a battery body 1, an outer box body 2 and a box cover 3, wherein the top end of the battery body 1 is provided with an electrode 101, the top end of the battery body 1 is provided with a battery handle 102, the outer box body 2 is connected with the box cover 3 through a hinge, the outer box body 2 is positioned outside the battery body 1, the inner end surface of the box cover 3 is provided with two metal sheets 4, the outer end surface of the box cover 3 is provided with a battery box handle 5, the outer wall of the outer box body 2 is respectively provided with a riveting groove 6 and a riveting block 7, the surfaces of the riveting groove 6 and the riveting block 7 are provided with an electrode contact 8, the electrode contact 8 is electrically connected with the battery body 1, the inner side of the outer box body 2 is provided with a plurality of limit posts 9, the inner side of the outer box body 2 is provided with a power-off mechanism 10, the pivot 1003 is installed to the inside both sides of outer box 2, and pivot 1003 runs through from top to bottom and installs the flip-flop pole 1004, and be connected with second spring 1005 between flip-flop pole 1004 lateral surface and the outer box 2, be connected with first spring 1002 between the inboard and separation piece 1001 of outer box 2, the inboard fixed mounting of outer box 2 has screens piece 12, fixed surface is connected with resilience frame 11 on screens piece 12, the inside bottom swing joint of outer box 2 has backup pad 13, and fixedly connected with third spring 15 between backup pad 13 and the outer box 2 bottom.

To explain the embodiment further, it should be noted that the limiting post 9 limits and fixes the battery body 1, so that the battery body 1 cannot move freely, when the battery body 1 is impacted greatly, the front end of the limiting post 9 is made of elastic material and can deform, and the battery body 1 can touch the trigger bar 1004, so as to realize emergency power off and prevent the occurrence of accidental touch. Specifically, in the present embodiment, the front end of the position-limiting column 9 is a hemispherical structure, and the position-limiting column 9 is movably connected to the battery body 1.

To explain the embodiment further, it should be noted that the second locking block 1203 retracts during the falling process of the battery body 1, the second locking block 1203 retracts when the battery body 1 is placed, the battery body 1 is fixed, and when the battery body 1 is taken out, the resilient frame 11 is pressed, the second locking block 1203 retracts, and meanwhile, the support plate 13 is upwardly ejected under the action of the third spring 15, so that the battery body 1 is conveniently taken away. Specifically, in this embodiment, the positioning block 12 includes a first positioning block 1201 fixedly mounted on the inner wall of the outer casing 2, and the first positioning block 1201 is fixedly connected to a second positioning block 1203 via a fifth spring 1202, and a fourth spring 1101 is connected between the resilient frame 11 and the first positioning block 1201.

To explain the embodiment further, it should be noted that the battery body 1 is placed into the device, the bottom of the device is engaged with the slot 14 to fix the battery body 1, and the supporting plate 13 can move in the outer case 2 to adjust the position of the battery body 1. Specifically, in the present embodiment, the supporting plate 13 is movably connected to the outer case 2, and the upper end of the supporting plate 13 is provided with a slot 14, and the slot 14 is connected to the battery body 1 in a snap-fit manner.

To explain the embodiment further, it should be noted that the metal sheet 4 contacts the electrode 101 after the lid 3 is closed, the external lead can be directly connected to the metal sheet 4, and the power can be cut off directly after the metal sheet 4 and the electrode 101 are separated. Specifically, in the present embodiment, the metal sheet 4 has a hemispherical structure, and the metal sheet 4 and the electrode 101 are opposite to each other.

To further explain the present embodiment, it should be noted that the device can be assembled and disassembled through the riveting slot 6 and the riveting block 7, and the electrode contacts 8 can be contacted with each other to realize the function of the lead. Specifically, in the present embodiment, the cross sections of the riveting groove 6 and the riveting block 7 are both in a trapezoidal structure, and a riveting structure is formed between the riveting groove 6 and the riveting block 7.

To explain the present embodiment further, it should be noted that one end of the trigger bar 1004 hooks the blocking plate 1001, and when an impact occurs, the blocking plate 1001 is released, and the blocking plate 1001 isolates the connection between the metal plate 4 and the electrode 101 under the action of the first spring 1002. Specifically, in this embodiment, the blocking plate 1001 is movably connected to the triggering rod 1004, and the triggering rod 1004 and the inner wall of the outer box 2 form an elastic structure through the second spring 1005.

The working principle is as follows: open lid 3, put into battery body 1, battery body 1 whereabouts in-process screens piece 12 shortens, screens piece 12 resumes when battery body 1 places the completion, battery body 1 bottom agrees with draw-in groove 14 simultaneously, accomplish the fixed to battery body 1, when taking out battery body 1, press resilience frame 11, screens piece 12 contracts back, backup pad 13 pops out upwards under the effect of third spring 15 simultaneously, conveniently take away battery body 1, when needing to make up into the group battery, connect riveting groove 6 and riveting piece 7 and form the riveted structure. When a collision accident with large impact force occurs, the front end of the limiting column 9 deforms, the battery body 1 touches the trigger rod 1004, the second spring 1005 which stabilizes the action of the trigger rod 1004 is compressed, the trigger rod 1004 rotates around the rotating shaft 1003, one end of the trigger rod 1004 hooks the blocking piece 1001, the blocking piece 1001 is loosened when impact occurs, the blocking piece 1001 is isolated from the metal sheet 4 and is connected with the electrode 101 under the action of the first spring 1002, and emergency power off is realized.

According to the above embodiment, the utility model provides a pair of, following beneficial effect has been realized at least: the device is simple and convenient to take out or place the battery body 1, the battery body 1 can be directly put in, only simple pressing is needed when the battery body 1 is taken out, the arrangement condition of the battery body 1 is stable, and certain shock resistance is achieved; the device is convenient to combine, a plurality of devices can form a riveting structure through the riveting groove 6 and the riveting block 7, bolt connection is not needed, excessive lead connection is not needed, and the combination and the disassembly are convenient; the device has the characteristic of rapid power failure in emergency, the electric vehicle provided with the device can realize rapid power failure through a mechanical transmission structure under the condition of receiving large impact force, the generation of secondary accidents is avoided, the structure is simple, and the reaction is rapid.

Although certain specific embodiments of the present invention have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. The utility model provides a but lithium cell of fast assembly group battery which characterized in that: comprises a battery body (1), an outer box body (2) and a box cover (3), wherein an electrode (101) is installed at the top end of the battery body (1), a battery handle (102) is arranged at the top end of the battery body (1), the outer box body (2) is connected with the box cover (3) through a hinge, the outer box body (2) is positioned outside the battery body (1), two metal sheets (4) are installed on the inner end face of the box cover (3), a battery box handle (5) is arranged on the outer end face of the box cover (3), the outer wall of the outer box body (2) is respectively provided with a riveting groove (6) and a riveting block (7), electrode contacts (8) are arranged on the surfaces of the riveting groove (6) and the riveting block (7), the electrode contacts (8) are electrically connected with the battery body (1), a plurality of limiting columns (9) are installed on the inner side of the outer box body (2), and a power-off mechanism (10) is arranged, outage mechanism (10) including installing separation piece (1001) at outer box (2) inside, and separation piece (1001) both sides are connected with first spring (1002), pivot (1003) are installed to outer box (2) inside both sides, and pivot (1003) from top to bottom run through and install trigger bar (1004), and be connected with second spring (1005) between trigger bar (1004) lateral surface and outer box (2), be connected with first spring (1002) between outer box (2) inboard and separation piece (1001), outer box (2) inboard fixed mounting has clamping block (12), fixed surface is connected with resilience frame (11) on clamping block (12), outer box (2) inside bottom swing joint has backup pad (13), and fixedly connected with third spring (15) between backup pad (13) and outer box (2) bottom.

2. The lithium battery of the fast-assembled battery pack as claimed in claim 1, wherein the front end of the limiting column (9) is of a hemispherical structure, and the limiting column (9) is movably connected with the battery body (1).

3. The lithium battery of claim 1, wherein the clamping block (12) comprises a first clamping block (1201) fixedly mounted on the inner wall of the outer casing (2), the first clamping block (1201) is fixedly connected with a second clamping block (1203) through a fifth spring (1202), and a fourth spring (1101) is connected between the rebounding frame (11) and the first clamping block (1201).

4. The lithium battery of the fast-assembled battery pack as claimed in claim 1, wherein the support plate (13) is movably connected with the outer casing (2), a slot (14) is formed at the upper end of the support plate (13), and the slot (14) is connected with the battery body (1) in a snap fit manner.

5. The lithium battery of claim 1, wherein the metal sheet (4) has a hemispherical structure, and the metal sheet (4) is opposite to the electrode (101).

6. The lithium battery of the fast-combinable battery pack according to claim 1, wherein the cross-sections of the riveting groove (6) and the riveting block (7) are both in a trapezoidal structure, and a riveting structure is formed between the riveting groove (6) and the riveting block (7).

7. The lithium battery of claim 1, wherein the blocking plate (1001) is movably connected to the trigger bar (1004), and the trigger bar (1004) forms a flexible structure with the inner wall of the outer case (2) through the second spring (1005).