CN218385509U

CN218385509U - Electric automobile battery pack box body holds in palm foot

Info

Publication number: CN218385509U
Application number: CN202221400757.6U
Authority: CN
Inventors: 孟庆义; 徐宽; 张洪杰; 王朝; 李明宸
Original assignee: Tangshan Iron and Steel Group Co Ltd; HBIS Co Ltd Tangshan Branch; Hegang Leting Steel Co Ltd
Current assignee: Tangshan Iron and Steel Group Co Ltd; HBIS Co Ltd Tangshan Branch; Hegang Leting Steel Co Ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2023-01-24
Anticipated expiration: 2032-06-07

Abstract

The utility model relates to an electric automobile battery package box holds in palm foot belongs to electric automobile erection equipment technical field. Including bolt sleeve (1), bradyseism cover (2), support frame, the round body of sleeving of establishing the screw thread in bolt sleeve (1), screw thread and construction bolt phase-match, bradyseism cover (2) is the round cover body that has the breach, two support frames and bradyseism cover (2) symmetric connection, the support frame includes backup pad (3), connecting plate (4), elastic plate (5), a backup pad (3) terminal surface and connecting plate (4) perpendicular fixed connection, another terminal surface and bradyseism cover (2) a breach terminal surface fixed connection, an elastic plate (5) terminal surface and connecting plate (4) fixed connection, another terminal surface and bradyseism cover (2) fixed connection. The utility model discloses simple structure, low cost, simple to operate improve the battery package box anti mechanical shock, collision and extruded ability, have spreading value.

Description

Electric automobile battery pack box body holds in palm foot

Technical Field

The utility model relates to an electric automobile battery package box holds in palm foot belongs to electric automobile erection equipment technical field.

Background

With the development of society, the problems of energy and environment become more and more serious, and the electric vehicle as one of the most effective solutions to the problems of energy and environment becomes the future key development direction of domestic enterprises. The battery pack is used as a core component of the battery pack, and is a main energy storage component, and the safety performance of the battery pack is directly related to the vehicle safety and the whole vehicle performance of the electric vehicle. In order to ensure the safety and the stability of the battery in the use environment, the support leg for connecting the battery pack and the vehicle body is required to have high safety and stability. In order to ensure the mechanical impact, collision and extrusion resistance of the battery pack box body, the currently common method is to increase the thickness of the vehicle body support frame and the strength and thickness attribute of the material of the battery pack side wall so as to achieve the protection effect on the battery module. The increase of the thickness of the support frame can cause the weight of the battery pack box body to be greatly increased, and the energy density of the battery pack is reduced. Increasing the thickness of the support frame and improving the properties of the material used for the support frame results in increased material costs. Therefore, the supporting mode of the battery pack box body needs to be researched, the supporting foot of the battery pack box body of the electric automobile is designed, and the mechanical impact resistance, the collision resistance and the extrusion resistance of the box body are enhanced by improving the connection strength and the force bearing structure of the automobile body and the side wall of the battery pack box body.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an electric automobile battery package box holds in palm foot is provided, through joint strength and the load structure who improves automobile body and battery package box side wall, has realized the reinforcing to the anti mechanical shock of box, collision and extrusion capacity.

The technical scheme of the utility model is that: the utility model provides an electric automobile battery package box holds in palm foot, includes bolt sleeve, bradyseism cover, support frame, the bolt sleeve is the interior round of establishing screw thread body, screw thread and construction bolt phase-match, the bradyseism cover is the round of cover body that has the breach, and the internal diameter of bradyseism cover and the outer warp phase-match of bolt sleeve, two support frames and bradyseism cover symmetric connection, the support frame includes backup pad, connecting plate, elastic plate, a backup pad terminal surface and the perpendicular fixed connection of connecting plate, another terminal surface and a breach terminal surface fixed connection of bradyseism cover, an elastic plate terminal surface and connecting plate fixed connection, another terminal surface and bradyseism cover fixed connection.

According to the support leg of the battery pack box body of the electric automobile, the bolt sleeve is flush with the lower end faces of the cushioning sleeve, the support plate, the connecting plate and the elastic plate.

According to the battery pack box body supporting pin of the electric automobile, the upper end face of the supporting plate is higher than the upper end faces of the bolt sleeve and the cushioning sleeve.

According to the support leg of the battery pack box body of the electric automobile, the included angle between the elastic plate and the connecting plate is 45-60 degrees.

According to the battery pack box body supporting foot of the electric automobile, the gap of the cushioning sleeve is 20% -25% of the circumference.

According to the support leg of the battery pack box body of the electric automobile, the thicknesses of the steel plates of the cushioning sleeve, the support plate, the connecting plate and the elastic plate are 3-5 mm.

According to the battery pack box body support leg of the electric automobile, the length of the shock absorption sleeve is 20-40 mm.

According to the support leg of the battery pack box body of the electric automobile, two ends of the bolt sleeve are 1-3 mm longer than the cushioning sleeve.

According to the electric vehicle battery pack box body support leg, the length of the support plate is 35-50 mm.

According to the support leg of the battery pack box body of the electric automobile, the height of the support plate is 30-45 mm.

According to the support leg of the battery pack box body of the electric automobile, the width of the connecting plate is 10-15 mm.

The utility model has the advantages that: the utility model discloses simple structure, low cost, simple to operate improve the anti mechanical shock of battery package box, collision and extruded ability, have improved the bulk connectivity of battery package box and automobile body tie-beam, effectively avoid the car collision or acutely shake the harm that brings with or the extrusion to the impact of battery box, have spreading value.

Drawings

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

FIG. 2 is a front view of the device of the present invention;

FIG. 3 is a side view of the device of the present invention;

FIG. 4 is a top view of the device of the present invention;

FIG. 5 is a diagram illustrating the operation state of the device of the present invention;

labeled as: bolt sleeve 1, bradyseism cover 2, backup pad 3, connecting plate 4, elastic plate 5, support foot 6, battery package case 7, battery 8.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in the attached drawing, a battery pack box body support foot of an electric vehicle comprises a bolt sleeve 1, a shock absorption sleeve 2 and a support frame, wherein the bolt sleeve 1 is a circular sleeve body with internal threads, the threads are matched with a mounting bolt, the shock absorption sleeve 2 is a circular sleeve body with a notch, the internal diameter of the shock absorption sleeve 2 is matched with the external diameter of the bolt sleeve 1, the two support frames are symmetrically connected with the shock absorption sleeve 2, the support frame comprises a support plate 3, a connecting plate 4 and an elastic plate 5, one end surface of the support plate 3 is fixedly connected with the connecting plate 4 in a vertical mode, the other end surface of the support plate is fixedly connected with the notch end surface of the shock absorption sleeve 2, one end surface of the elastic plate 5 is fixedly connected with the connecting plate 4, and the other end surface of the elastic plate is fixedly connected with the shock absorption sleeve 2. The bolt sleeve 1 is flush with the lower end faces of the shock absorption sleeve 2, the support plate 3, the connecting plate 4 and the elastic plate 5. The upper end face of the supporting plate 3 is higher than the upper end faces of the bolt sleeve 1 and the shock absorption sleeve 2. The included angle between the elastic plate 5 and the connecting plate 4 is 50 degrees. The gap of the shock absorption sleeve 2 is 25 percent of the circumference. The thickness of the steel plates of the shock absorption sleeve 2, the support plate 3, the connecting plate 4 and the elastic plate 5 is 4 mm. The length of the shock absorption sleeve 2 is 30 mm. The two ends of the bolt sleeve 1 are 2 mm longer than the shock absorption sleeve 2. The length of the support plate 3 is 40 mm. The height of the support plate 3 is 40 mm. The width of the connecting plate 4 is 12 mm.

When the battery pack box of the electric automobile is installed, 4-8 supporting feet are selected from each side face according to the size of the battery pack box, during installation, the bolt sleeve 1, the lower end face of the cushioning sleeve 2, the supporting plate 3, the connecting plate 4 and the elastic plate 5 are parallel and level downwards, the proper distance from the carriage bottom plate is selected, the connecting plate 4 is vertically and flatly attached to the battery pack box, and welding fixation is achieved. And the bolt sleeve 1 and a mounting seat arranged on the carriage bottom plate are assembled and fixed together by bolts.

The utility model discloses simple structure, low cost, simple to operate improve the anti mechanical shock of battery package box, collision and extruded ability, have improved battery package box and automobile body coupling beam's overall connectivity, effectively avoid the car collision or acutely shake the harm that brings the impact andor the extrusion of battery box, have spreading value.

Claims

1. The utility model provides an electric automobile battery package box holds in palm foot, characterized by includes bolt sleeve (1), bradyseism cover (2), support frame, bolt sleeve (1) is for establishing the circular lantern ring body of screw thread in, screw thread and construction bolt phase-match, bradyseism cover (2) is the circular lantern ring body that has the breach, and the internal diameter of bradyseism cover (2) and the outer warp phase-match of bolt sleeve (1), two support frames and bradyseism cover (2) symmetric connection, the support frame includes backup pad (3), connecting plate (4), elastic plate (5), backup pad (3) a terminal surface and connecting plate (4) perpendicular fixed connection, another terminal surface and the breach terminal surface fixed connection of bradyseism cover (2), an elastic plate (5) terminal surface and connecting plate (4) fixed connection, another terminal surface and bradyseism cover (2) fixed connection.

2. The battery pack box bracket of the electric vehicle as claimed in claim 1, wherein the bolt sleeve (1) is flush with the lower end surfaces of the cushioning sleeve (2), the support plate (3), the connecting plate (4) and the elastic plate (5).

3. The battery pack box body support leg of the electric automobile as claimed in claim 1, characterized in that the included angle between the elastic plate (5) and the connecting plate (4) is 45-60 degrees.

4. The battery pack box bracket of the electric vehicle as claimed in claim 1, wherein the gap of the shock absorption sleeve (2) is 20-25% of the circumference.

5. The battery pack box supporting leg of the electric vehicle as claimed in claim 1, wherein the thickness of the steel plate of the shock absorption sleeve (2), the supporting plate (3), the connecting plate (4) and the elastic plate (5) is 3-5 mm.

6. The battery pack box bracket of the electric vehicle as claimed in claim 1, wherein the length of the shock absorption sleeve (2) is 20-40 mm.

7. The battery pack box bracket of the electric vehicle as claimed in claim 1, wherein both ends of the bolt sleeve (1) are 1-3 mm longer than the cushioning sleeve (2).

8. The battery pack box bracket of the electric vehicle as claimed in claim 1, wherein the length of the support plate (3) is 35-50 mm.

9. The battery pack box bracket of the electric vehicle as set forth in claim 1, characterized in that the height of the support plate (3) is 30-45 mm.

10. The battery pack box bracket of the electric vehicle as set forth in claim 1, characterized in that the width of the connecting plate (4) is 10-15 mm.