CN209929357U

CN209929357U - Lithium battery anti-collision structure for automobile

Info

Publication number: CN209929357U
Application number: CN201920303347.1U
Authority: CN
Inventors: 顾慧军; 艾立华; 顾善华; 顾鹏; 徐建军
Original assignee: HUNAN HUAHUI NEW ENERGY CO Ltd
Current assignee: HUNAN HUAHUI NEW ENERGY CO Ltd
Priority date: 2019-03-11
Filing date: 2019-03-11
Publication date: 2020-01-10
Anticipated expiration: 2029-03-11

Abstract

The utility model discloses a lithium cell protection field specifically is a car uses lithium cell anticollision structure, include: frame, transmission shaft, wheel, battery support frame, bearing and battery, battery outside evenly distributed has buffering baffle, and the outer protection frame of battery is installed in the buffering baffle outside, the outer protection frame outside of battery is provided with the inoxidizing coating, buffering baffle middle part is buffering energy-absorbing chamber, buffering energy-absorbing intracavity portion installs spring mount pad, and spring mount pad is inside installs spring A through fastening screw, buffering energy-absorbing chamber middle part still is provided with the conquassation pole. The crushing rod is made of an aluminum alloy material, is designed to be hollow, and is judged according to the collision standard set by the requirement on thickness; still be provided with spring B between protection frame and the buffer stop outside the battery, spring B is in compression state all the time, can make the piston rod with it is in maximum stroke department to can promote the compression stroke, absorb more energy of colliding.

Description

Lithium battery anti-collision structure for automobile

Technical Field

The utility model relates to a lithium cell protection field specifically is a lithium cell anticollision structure is used to car.

Background

A dehydrated lithium battery, also called a lithium ion battery, is a rechargeable battery that mainly relies on lithium ions moving between a positive electrode and a negative electrode to operate. During charging and discharging, Li + is inserted and extracted back and forth between two electrodes: when the battery is charged, Li + is extracted from the positive electrode and is inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; the opposite is true during discharge. A battery using a material containing lithium as an electrode is generally used. Lithium batteries are representative of modern high performance batteries. Compared with the traditional battery, such as a lead-acid battery, the lithium ion battery has high energy density and higher average output voltage. Small self-discharge, good battery, below 2% per month (recoverable). There is no memory effect. The working temperature range is wide from minus 20 ℃ to 60 ℃. Excellent cycle performance, rapid charge and discharge, high charging efficiency up to 100%, and high output power. The service life is long. Contains no toxic and harmful substances, and is called green battery.

In the practical use process of the anti-collision lithium battery box disclosed in the chinese patent (publication No. CN103151478A, published as 2013.06.12), the anti-collision lithium battery box provided by the above document has the advantages that the inner oval ball is a solid ball or a hollow ball filled with compressed gas, and the anti-collision lithium battery box adopting the structure has a reasonable structure, can effectively buffer impact force, provides reliable protection for the lithium battery, and has a low cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell anticollision structure is used to car to solve the problem that proposes among the above-mentioned background art.

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

an automotive lithium battery crash prevention structure comprising: the outer side of the battery is uniformly distributed with buffer clapboards, the outer side of each buffer clapboard is provided with a battery outer protection frame, the outer side of each battery outer protection frame is provided with a protection layer, the surface of each protection layer is subjected to rust prevention treatment, the outer sides of the protection layers are symmetrically provided with battery support frames, the other end of each battery support frame is fixedly arranged on the inner side of the corresponding frame, and the stability of the outer protection frame of the outer battery is improved through the plurality of symmetrical battery support frames, so that the equipment is prevented from shaking and swaying due to the vibration of a vehicle; the buffer baffle is formed by pressing an aluminum alloy material, a plurality of reinforcing ribs are arranged on the buffer baffle, so that the stability of the equipment is improved, the middle part of the buffer baffle is a buffer energy absorption cavity, a spring mounting seat is arranged in the buffer energy absorption cavity, a mounting bracket is welded on the left side of the buffer baffle, mounting holes are arranged on two sides of the mounting bracket and fixedly mounted on the surface of the battery through mounting bracket fixing screws, a buffer pin is arranged on the right side of the buffer baffle, a second bearing is fixedly mounted on the left side of the buffer baffle through fastening screws, a chute is arranged in the second bearing, a piston rod is slidably mounted through the chute, the right side of the piston rod is fixedly mounted in an outer battery protection frame, a spring B is also arranged between the outer battery protection frame and the buffer baffle, the spring B is always in a compression, thereby, the compression stroke can be improved, and more collision energy can be absorbed.

As a further aspect of the present invention: the middle part around the frame is provided with first bearing, rotates through first bearing and installs the transmission shaft, fixed mounting has the battery in the middle of the frame is inside.

As a further aspect of the present invention: the frame is the outside braced frame of equipment, adopts the aluminum alloy material, alleviates the dead weight when promoting intensity.

As a further aspect of the present invention: the transmission shaft both ends are provided with the wheel, the wheel outside is provided with the rubber protection layer, has good buffering and protective capacities.

As a further aspect of the present invention: the spring A is arranged in the spring mounting seat through a fastening screw and is made of stainless steel materials through cold rolling treatment, and the spring A has good toughness and fatigue resistance.

As a further aspect of the present invention: the middle part of the buffering energy-absorbing cavity is also provided with a crushing rod, the crushing rod is made of an aluminum alloy material and is designed in a hollow mode, and the thickness of the crushing rod is judged according to a collision standard set by requirements.

Compared with the prior art, the beneficial effects of the utility model are that: the battery support frames are symmetrically arranged on the outer side of the protective layer, and the stability of the protective frame outside the outer battery is improved through the plurality of symmetrical battery support frames, so that the equipment is prevented from shaking and shaking due to the vibration of a vehicle; the spring A is made of stainless steel materials through cold rolling treatment, the spring A has good toughness and fatigue resistance, the crushing rod is made of aluminum alloy materials and is designed in a hollow mode, and the thickness of the crushing rod is judged according to a collision standard set as required; still be provided with spring B between protection frame and the buffer stop outside the battery, spring B is in compression state all the time, can make the piston rod with it is in maximum stroke department to can promote the compression stroke, absorb more energy of colliding.

Drawings

Fig. 1 is a schematic structural diagram of a lithium battery anti-collision structure for an automobile.

Fig. 2 is a schematic structural diagram of a buffer separator in a lithium battery anti-collision structure for an automobile.

Fig. 3 is a schematic structural diagram of a buffer pin in a lithium battery anti-collision structure for an automobile.

In the figure: the automobile bumper comprises a frame 1, a transmission shaft 2, wheels 3, a battery support frame 4, a battery outer protection frame 5, a battery 6, a buffer clapboard 7, a first bearing 8, a buffer energy absorption cavity 9, a mounting bracket 10, a mounting bracket 11, a mounting bracket fixing screw 12, a crushing rod 13, a protection layer 14, a spring mounting seat 15, a spring A, a buffer pin 16, a spring B17, a piston rod 18, a second bearing 19 and a fastening screw 20.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Example 1

Referring to fig. 1, a lithium battery anti-collision structure for an automobile includes: the automobile frame comprises an automobile frame 1, a transmission shaft 2, wheels 3, a battery support frame 4 and batteries 6, wherein the automobile frame 1 is an external support frame of equipment and is made of aluminum alloy materials, the dead weight is reduced while the strength is improved, the first bearing 8 is arranged in the middle of the periphery of the automobile frame 1, the transmission shaft 2 is rotatably installed through the first bearing 8, the wheels 3 are arranged at two ends of the transmission shaft 2, a rubber protective layer is arranged on the outer side of each wheel 3 and has good buffering and protecting capabilities, the batteries 6 are fixedly installed in the middle of the inside of the automobile frame 1, the batteries 6 are uniformly distributed with buffering partition plates 7, the outer side of each buffering partition plate 7 is provided with the external protection frame 5, the outer side of the external protection frame 5 is provided with a protective layer 13, the surface of the protective layer 13 is subjected to rust prevention treatment, the battery support frame 4, the stability of the outer protective frame 5 of the outer battery is improved through the plurality of symmetrical battery support frames 4, and the equipment is prevented from shaking and shaking due to the vibration of a vehicle;

the buffer baffle plate 7 is made of aluminum alloy materials in a pressing mode, a plurality of reinforcing ribs are arranged on the buffer baffle plate 7, the stability of the equipment is improved, the middle of the buffer baffle plate 7 is a buffer energy absorption cavity 9, a spring mounting seat 14 is mounted inside the buffer energy absorption cavity 9, a spring A15 is mounted inside the spring mounting seat 14 through fastening screws, the spring A15 is made of stainless steel materials through cold rolling treatment, the buffer baffle plate has good toughness and fatigue resistance, a crushing rod 12 is further arranged in the middle of the buffer energy absorption cavity 9, the crushing rod 12 is made of aluminum alloy materials and is designed in a hollow mode, the thickness is judged according to collision standards set as required, a mounting bracket 10 is welded and mounted on the left side of the buffer baffle plate 7, mounting holes are formed in the two sides of the mounting bracket 10 and is fixedly mounted on the surface of the battery 6 through mounting bracket fixing screws 11, and a, as shown in fig. 3, a second bearing 19 is fixedly mounted on the left side of the buffer partition plate 7 through a fastening screw 20, a sliding groove is formed in the second bearing 19, a piston rod 18 is slidably mounted through the sliding groove, the right side of the piston rod 18 is fixedly mounted in the battery outer protection frame 5, a spring B17 is further arranged between the battery outer protection frame 5 and the buffer partition plate 7, and the spring B17 is always in a compression state, so that the piston rod 18 and the piston rod are located at the maximum stroke position, the compression stroke can be increased, and more collision energy can be absorbed.

Example 2

The difference between this embodiment 2 and embodiment 1 is that the crushing rod 12 is made of medium carbon steel, has a hollow structure inside and a tapered design in the middle, and is crushed when subjected to a rapid impact, thereby absorbing energy to protect the internal battery 6 from being damaged.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An automotive lithium battery crash prevention structure comprising: the vehicle frame comprises a vehicle frame (1), a transmission shaft (2), wheels (3), a battery support frame (4), first bearings (8) and batteries (6), wherein the first bearings (8) are arranged in the middle of the periphery of the vehicle frame (1), the transmission shaft (2) is rotatably installed through the first bearings (8), the wheels (3) are arranged at two ends of the transmission shaft (2), the other end of the battery support frame (4) is fixedly installed on the inner side of the vehicle frame (1), the batteries (6) are fixedly installed in the middle of the interior of the vehicle frame (1), the vehicle frame is characterized in that buffering partition plates (7) are uniformly distributed on the outer side of the batteries (6), a battery outer protective frame (5) is installed on the outer side of the battery outer protective frame (5), a protective layer (13) is arranged on the outer side of the battery outer protective frame (5), a buffering energy-absorbing partition plate (7) is arranged, a spring A (15) is installed inside the spring installation seat (14) through a fastening screw, a crushing rod (12) is further arranged in the middle of the buffering energy absorption cavity (9), and a buffering pin (16) is arranged on the right side of the buffering partition plate (7).

2. The anti-collision structure for the lithium battery used for the automobile according to claim 1, wherein: the frame (1) is an external supporting frame of the equipment and is made of aluminum alloy; the buffer baffle plate (7) is provided with a mounting bracket (10) on the left side in a welding mode, and mounting holes are formed in two sides of the mounting bracket (10).

3. The anti-collision structure for the lithium battery used for the automobile according to claim 2, wherein: the outer side of the wheel (3) is provided with a rubber protective layer, and the outer side of the protective layer (13) is symmetrically provided with a battery support frame (4).

4. The anti-collision structure for the lithium battery used for the automobile according to claim 3, wherein: the buffer baffle (7) is formed by pressing an aluminum alloy material, and the buffer baffle (7) is provided with a plurality of reinforcing ribs.

5. The anti-collision structure for the lithium battery used for the automobile according to claim 4, wherein: the spring A (15) is made of stainless steel materials through cold rolling treatment, and the crushing rod (12) is made of aluminum alloy materials.

6. The anti-collision structure for the lithium battery used for the automobile according to claim 5, wherein: buffer baffle (7) left side has second bearing (19) through fastening screw (20) fixed mounting, the inside spout that is provided with of second bearing (19), have piston rod (18) through spout slidable mounting, piston rod (18) right side fixed mounting is inside protection frame (5) outside the battery, still be provided with spring B (17) between protection frame (5) and buffer baffle (7) outside the battery.