CN219393568U

CN219393568U - Full plastic seat tube type lithium battery shell

Info

Publication number: CN219393568U
Application number: CN202320682153.3U
Authority: CN
Inventors: 陈松; 陈昊哲; 何祖丹
Original assignee: Shanghai Baoe Industrial Co ltd
Current assignee: Shanghai Baoe Industrial Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-07-21
Anticipated expiration: 2033-03-31

Abstract

The utility model provides an all-plastic seat tube type lithium battery shell which comprises a fixed shell, a plastic end cover, fastening bolts, a first reinforcing rib plate, a connecting support rod and a second reinforcing rib plate, wherein the front side of the annular side of the fixed shell is provided with the first reinforcing rib plate, the rear side of the annular side of the fixed shell is provided with the second reinforcing rib plate, the connecting support rod is arranged at four corner parts at the joint of the first reinforcing rib plate and the second reinforcing rib plate, the front end surface of the fixed shell is provided with the plastic end cover, a protective cover is arranged inside the fixed shell, and a buffer gasket strip is arranged on the inner wall of the fixed shell.

Description

Full plastic seat tube type lithium battery shell

Technical Field

The utility model relates to an all-plastic seat tube type lithium battery shell, and belongs to the technical field of lithium battery shells.

Background

Lithium metal batteries are generally batteries using manganese dioxide as a positive electrode material, metallic lithium or its alloy metal as a negative electrode material, and nonaqueous electrolyte solutions, and can be broadly classified into two types: lithium metal batteries and lithium ion batteries. The lithium ion battery does not contain metallic lithium and can be charged, and the safety, specific capacity, self-discharge rate and cost performance of lithium metal are all superior to those of the lithium ion battery.

The seat tube type lithium battery in the prior art has the advantages that most of the shell body adopts a metal shell matched up and down, the metal shell is easy to collide with the battery to generate short circuit under the collision, and the shock absorption buffer structure is not arranged, so that the protection effect on the lithium battery is not good enough, and the full-plastic seat tube type lithium battery shell is urgently needed at present to solve the problems.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide the all-plastic seat tube type lithium battery shell, so as to solve the problems in the prior art.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides an all plastic seat tubular lithium battery shell, includes fixed shell, plastic end cover, fastening bolt, first deep floor, connection branch and second deep floor, fixed shell annular side front side is provided with first deep floor, fixed shell annular side rear side is provided with the second deep floor, four corner positions of first deep floor and second deep floor junction all are provided with connection branch, the terminal surface is equipped with plastic end cover before the fixed shell, fixed shell inside is provided with the protection casing, be provided with the cushion strip on the fixed shell inner wall, the inside spacing baffle that is provided with of protection casing, lithium cell has been placed to spacing baffle inside, the inside left side of protection casing is fixed and is provided with fixed stop.

Further, the front end face of the plastic end cover is provided with a handle, and the handle and the plastic end cover are manufactured by adopting an integral injection molding process.

Further, the left side and the right side of the front end face of the plastic end cover are provided with electric connection electrodes, the left side of the electric connection electrodes is the positive electrode, the right side of the electric connection electrodes is the negative electrode, and the two groups of the electric connection electrodes are electrically connected with the lithium battery unit through wires.

Further, a fastening bolt is arranged at the joint of the plastic end cover and the fixed shell, a threaded counter bore is formed in the front end face of the fixed shell, the fastening bolt penetrates through the plastic end cover and is inserted into the threaded counter bore, and the fastening bolt is in threaded screwing airtight connection with the threaded counter bore.

Further, the limiting partition plate is made of plastic, the limiting partition plate is arranged into a grid structure, and the lithium battery unit is arranged in a gap inside the limiting partition plate.

Further, a positioning clamping groove is formed in the fixing baffle, the inner diameter of the positioning clamping groove is the same as the diameter of the lithium battery unit, and the positioning clamping groove is of a stepped through groove structure.

By adopting the technical scheme, the utility model has the beneficial effects that: according to the all-plastic seat tube type lithium battery shell, the lithium battery can be protected from the outside through the fixed shell, the plastic end cover, the first reinforcing rib plate, the connecting support rod, the second reinforcing rib plate, the protective cover, the lithium battery unit, the limiting partition plate and the fixed baffle plate, the lithium battery can be further buffered and protected through the protective cover, meanwhile, the lithium battery can be separated and limited through the limiting partition plate, extrusion between the lithium batteries is prevented, the use safety of the lithium battery is improved, the problem that most of the shell of the original seat tube type lithium battery adopts the metal shell matched up and down, the metal shell is easy to collide with the battery under collision, a shock absorption buffer structure is not arranged, the protection effect of the lithium battery is not good is solved, and the protection effect of the lithium battery is improved.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic view of a full plastic seat tube lithium battery shell according to the present utility model;

fig. 2 is a schematic diagram of the internal structure of a fixed casing in an all-plastic seat tube type lithium battery casing according to the present utility model;

FIG. 3 is a schematic view showing the internal structure of a protective cover in an all-plastic seat tube type lithium battery shell;

in the figure: the lithium battery pack comprises a 1-fixed shell, a 2-plastic end cover, a 21-electric connection electrode, a 3-handle, a 4-fastening bolt, a 5-first reinforcing rib plate, a 6-connecting support rod, a 7-second reinforcing rib plate, an 8-threaded counter bore, a 9-buffer filler strip, a 10-protective cover, a 11-lithium battery unit, a 12-limiting baffle plate, a 13-fixed baffle plate and a 14-positioning clamping groove.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides an all plastic seat tubular lithium battery shell, including fixed shell 1, plastic end cover 2, fastening bolt 4, first deep floor 5, connect branch 6 and second deep floor 7, fixed shell 1 annular side front side is provided with first deep floor 5, fixed shell 1 annular side rear side is provided with second deep floor 7, four corner of first deep floor 5 and second deep floor 7 junction all are provided with connect branch 6, fixed shell 1 front end face is equipped with plastic end cover 2, fixed shell 1 inside is provided with protection casing 10, be provided with cushion strip 9 on the fixed shell 1 inner wall, the inside spacing baffle 12 that is provided with of protection casing 10, the inside lithium cell 11 of having placed of spacing baffle 12, the fixed baffle 13 that is provided with of protection casing 10 inside left side, the design has been solved its most shell body of original seat tubular lithium battery and has been adopted upper and lower supporting metal casing, metal casing is easy to take place the short circuit with the battery collision under receiving the striking, and it does not set up the shock attenuation buffer structure, the problem that the protection effect to the lithium battery is not enough.

The handle 3 is arranged on the front end face of the plastic end cover 2, the handle 3 and the plastic end cover 2 are manufactured by adopting an integral injection molding process, the plastic end cover 2 is conveniently opened and closed through the arranged handle 3, and meanwhile, the whole fixed shell 1 is conveniently lifted and carried.

The left side and the right side of the front end face of the plastic end cover 2 are provided with electric electrodes 21, the left side electric electrode 21 is an anode, the right side electric electrode 21 is a cathode, and the two groups of electric electrodes 21 are electrically connected with the lithium battery unit 11 through wires.

The plastic end cover 2 is provided with fastening bolt 4 with fixed shell 1 junction, and fixed shell 1 front end face is inside to be offered screw thread counter bore 8, and fastening bolt 4 runs through plastic end cover 2 and inserts in screw thread counter bore 8, and fastening bolt 4 closes airtight connection through the screw thread with screw thread counter bore 8, is convenient for install fixedly to plastic end cover 2 through fastening bolt 4 that sets up.

The limiting partition plate 12 is made of plastic, the limiting partition plate 12 is arranged into a grid-shaped structure, the lithium battery units 11 are arranged in gaps inside the limiting partition plate 12, the limiting partition plate 12 is arranged to limit and fix the lithium battery units 11, meanwhile, the lithium battery units 11 can be separated, and the lithium battery units 11 are prevented from being mutually extruded.

The fixed baffle 13 is internally provided with a positioning clamping groove 14, the inner diameter of the positioning clamping groove 14 is the same as the diameter of the lithium battery unit 11, the positioning clamping groove 14 is of a stepped through groove structure, and the lithium battery unit 11 is conveniently limited and fixed from the bottom through the arranged positioning clamping groove 14.

As an embodiment of the present utility model: when using, open plastics end cover 2, place protection casing 10 in fixed shell 1, and make protection casing 10 surface and cushion strip 9 surface laminating, the effect of shock attenuation buffering has been played to protection casing 10 through cushion strip 9, then place lithium cell 11 one-to-one in spacing baffle 12 inside clearance, can carry out spacing fixedly to lithium cell 11 through spacing baffle 12, simultaneously can separate lithium cell 11, prevent lithium cell 11 extrudees each other, and make the bottom card of lithium cell 11 go into the inside location draw-in groove 14 of fixed stop 13, can carry out spacing fixedly to lithium cell 11 from the bottom through location draw-in groove 14, and then the installation to lithium cell 11 has been accomplished, then pass through wire and electric pole 21 line connection with lithium cell 11, install and be fixed in fixed shell 1 front end with lithium cell 11 through fastening bolt 4, can carry out spacing protection to lithium cell 11 from the front side through plastics end cover 2, fixed shell 1 can protect lithium cell from the outside, and can carry out further buffering protection to lithium cell through the protection casing 10 that sets up, the buffer protection to lithium cell has been improved.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a full plastic seat tubular lithium battery shell, includes fixed shell (1), plastics end cover (2), fastening bolt (4), first deep floor (5), connection branch (6) and second deep floor (7), its characterized in that: the lithium battery pack is characterized in that a first reinforcing rib plate (5) is arranged on the front side of the annular side of the fixed casing (1), a second reinforcing rib plate (7) is arranged on the rear side of the annular side of the fixed casing (1), connecting support rods (6) are arranged at four corner parts of the joint of the first reinforcing rib plate (5) and the second reinforcing rib plate (7), a plastic end cover (2) is assembled on the front end face of the fixed casing (1), a protective cover (10) is arranged inside the fixed casing (1), a buffer filler strip (9) is arranged on the inner wall of the fixed casing (1), a limiting partition plate (12) is arranged inside the protective cover (10), and a lithium battery unit (11) is fixedly arranged on the left side inside the protective cover (10).

2. The all-plastic seat tube lithium battery shell according to claim 1, wherein: the front end face of the plastic end cover (2) is provided with a handle (3), and the handle (3) and the plastic end cover (2) are manufactured by adopting an integral injection molding process.

3. The all-plastic seat tube lithium battery shell according to claim 1, wherein: the left side and the right side of the front end face of the plastic end cover (2) are provided with electric connection electrodes (21), the left side of the electric connection electrodes (21) are positive poles, the right side of the electric connection electrodes (21) are negative poles, and the two groups of the electric connection electrodes (21) are electrically connected with the lithium battery unit (11) through wires.

4. The all-plastic seat tube lithium battery shell according to claim 1, wherein: the plastic end cover (2) is provided with a fastening bolt (4) at the joint of the plastic end cover (2) and the fixed shell (1), a threaded counter bore (8) is formed in the front end face of the fixed shell (1), the fastening bolt (4) penetrates through the plastic end cover (2) and is inserted into the threaded counter bore (8), and the fastening bolt (4) is in threaded screwing airtight connection with the threaded counter bore (8).

5. The all-plastic seat tube lithium battery shell according to claim 1, wherein: the limiting partition plate (12) is made of plastic, the limiting partition plate (12) is of a grid structure, and the lithium battery unit (11) is arranged in a gap inside the limiting partition plate (12).

6. The all-plastic seat tube lithium battery shell according to claim 1, wherein: the inside of the fixed baffle (13) is provided with a positioning clamping groove (14), the inner diameter of the positioning clamping groove (14) is the same as the diameter of the lithium battery unit (11), and the positioning clamping groove (14) is of a stepped through groove structure.