CN210224138U

CN210224138U - Light-weight metal plate box structure with reinforced square-shaped structure

Info

Publication number: CN210224138U
Application number: CN201921638370.2U
Authority: CN
Inventors: Shiming Li; 李世明; Xiaoxiang Mao; 毛晓翔; Qiupeng Xu; 徐秋鹏
Original assignee: Jiangxi Special Automobile Technology Co Ltd
Current assignee: Jiangxi Special Automobile Technology Co Ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-03-31
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses a light-weight sheet metal box structure with reinforced square-wave shape, which comprises a bottom box, wherein the bottom box comprises a bottom plate and side plates, the bottom plate comprises a first flat plate and a first concave rib, the lower side of the bottom plate is fixedly connected with a convex rib, the convex rib and the first concave rib are of an integral structure, the upper side of the bottom plate is fixedly welded with a reinforcing rib, the reinforcing rib comprises a second flat plate and a second concave rib, the first concave rib and the second concave rib form a square-wave shape cavity with a square-wave shape in cross section, the side plates comprise a first side plate and a second side plate, the upper side of the first side plate is fixedly connected with a first bending part, the upper side of the second side plate is fixedly connected with a second bending part, the second side plate is provided with two groups, the utility model discloses the light-wave-shaped sheet metal box structure is provided with convex ribs at the lower side of the bottom box, the battery on the box body has a certain damping and buffering function.

Description

Light-weight metal plate box structure with reinforced square-shaped structure

Technical Field

The utility model relates to an automobile spare and accessory part field specifically is a shape reinforcing lightweight panel beating box structure returns.

Background

Nowadays, new energy automobiles mainly using electric vehicles are rapidly developed, and the driving range of the electric vehicles is more and more required by people. The battery package is as the core energy supply part of electric motor car, and its promotion of dress electric quantity and energy density has very big influence to the electric motor car continuation mileage, consequently the weight of minimize battery package is especially important, and the battery panel beating box occupies most weight of battery package, is unfavorable for the lightweight improvement of battery package, nevertheless makes still to have most battery package to adopt the panel beating box at present because the advantage that panel beating box intensity is high and the cost is lower relatively, manufacturing cycle is short. At present, the sheet metal box body structure basically comprises a bottom box, an inner strengthening rib and an outer strengthening rib. The under casing is battery box covering for battery box sealed package, and interior strengthening rib is located the under casing inboard, is used for fixed inside battery module and box to strengthen, and outer strengthening rib is general integrative with whole car mounting bracket, is used for the under casing to lift the enhancement. Based on the above, the structure of the existing sheet metal box body is further simplified, and the lightweight design is particularly necessary to meet the development requirement of the current new energy automobile.

Part of the traditional battery sheet metal box bodies are heavy, so that the light weight of a battery pack is not facilitated, the endurance mileage of the electric vehicle is influenced to a certain extent, and the popularization of new energy automobiles is not facilitated; some traditional battery panel beating boxes can't realize the shock attenuation to battery and subassembly, increase the impaired probability of battery to a certain extent, are unfavorable for improving new energy automobile battery's life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shape reinforcing lightweight panel beating box structure returns sets up the fin at the under casing downside, has replaced outer reinforcing rib, has alleviateed the weight of battery panel beating box, forms between two sets of concave ribs and returns the shape cavity, has certain shock attenuation buffer function to the battery on the box to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a shape reinforcing lightweight panel beating box structure returns, includes the under casing, the under casing includes bottom plate and curb plate, the bottom plate includes first flat board and first concave rib, bottom plate downside fixedly connected with fin, fin and first concave rib formula structure as an organic whole, the fixed welding of bottom plate upside has the strengthening rib, the strengthening rib includes that the second is dull and stereotyped and the concave rib of second, first concave rib and the concave rib of second form the shape cavity of returning of cross-section for returning the font.

Preferably, the side plates comprise a first side plate and a second side plate, and a first bending part is fixedly connected to the upper side of the first side plate.

Preferably, a second bending part is fixedly connected to the upper side of the second side plate.

Preferably, the second side plate is provided with two groups, the outer side of the second side plate is fixedly connected with fixing blocks, and the fixing blocks are provided with positioning holes.

Preferably, the first concave ribs are distributed on the bottom plate in a rectangular array.

Preferably, the surfaces of the bottom box and the reinforcing ribs are covered with anti-rust paint layers.

Compared with the prior art, the beneficial effects of the utility model are that:

1. set up the fin at the bottom plate downside, can replace traditional outer strengthening rib, strengthen under casing downside intensity, on the basis that does not reduce under casing intensity, whole weight reduces, cancels outside strengthening rib simultaneously, reduces the box work load, reduces the technology degree of difficulty to reduction in production cost.

2. The first concave rib is arranged on the inner side of the bottom box, the second concave rib is arranged on the reinforcing rib, and the first concave rib and the second concave rib form a square-shaped cavity, so that the vibration mode of the box body is increased, and the anti-vibration performance of the battery pack is improved.

Drawings

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

FIG. 2 is a schematic view of the structure of the square-shaped chamber of the present invention;

fig. 3 is a schematic view of the bottom view of the present invention.

In the figure: 1. a bottom box; 2. a base plate; 3. a side plate; 4. a first plate; 5. a first concave rib; 6. a rib; 7. reinforcing ribs; 8. a second plate; 9. a second concave rib; 10. a square-shaped cavity; 11. a first side plate; 12. a second side plate; 13. a first bending portion; 14. a second bending portion; 15. a fixed block; 16. and (7) positioning the holes.

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. 1-3, the present invention provides a technical solution: the utility model provides a shape reinforcing lightweight panel beating box structure returns, includes under casing 1, for preventing under casing 1 from rustting, increases its life, has anti-rust paint layer at under casing 1 surface covering. The bottom box 1 is a thin-wall steel plate with the thickness of 1.0-1.5 mm.

The bottom case 1 comprises a bottom plate 2 and side plates 3, the side plates 3 comprise a first side plate 11 and a second side plate 12, and a first bending part 13 is fixedly connected to the upper side of the first side plate 11. A second bending part 14 is fixedly connected to the upper side of the second side plate 12. In order to fix the bottom case 1, the second side plate 12 is provided with two sets, the outer side of the second side plate 12 is fixedly connected with a fixing block 15, and the fixing block 15 is provided with a positioning hole 16. The base plate 2 comprises a first flat plate 4 and a first concave rib 5.

2 downside fixedly connected with fins 6 of bottom plate,

fin

6 and 5 formula structures as an organic whole of first concave rib, to 1 outsiders of under casing, inside decurrent first concave rib 5 is outside fin 6 promptly, and structural strength satisfies the operation requirement, and outside strengthening rib can cancel, reaches the purpose of further simplifying the box structure, reduction box weight. In order to increase the strengthening and damping effect, the first concave ribs 5 and the convex ribs 6 need to be provided with a plurality of groups, and the first concave ribs 5 and the convex ribs 6 are distributed on the bottom plate 2 in a rectangular array. The first concave rib 5 and the convex rib 6 are formed by punch forming or bending forming to form a reinforcing structure with local shape like Chinese character 'tian'.

The fixed welding of 2 upsides of bottom plate has strengthening rib 7, for preventing that strengthening rib 7 from rustting, increases its life, has the anti-rust paint layer at the surface covering of strengthening rib 7. The reinforcing rib 7 comprises a second flat plate 8 and a second concave rib 9, and the first concave rib 5 and the second concave rib 9 form a square-shaped cavity 10 with a square-back-shaped cross section. The reinforcing ribs 7 are thin-walled steel plates, the thickness of the reinforcing ribs is 0.8-1.2mm, the reinforcing ribs 7 are formed by stamping or bending, and the cross section of the reinforcing ribs is in a shape like a Chinese character 'ji'. The battery module and the electrical component are fixed on the reinforcing rib 7.

The working principle is as follows: the convex rib 6 is located 2 downside of bottom plate, can replace traditional outer strengthening rib, increases 1 downside intensity of under casing, on the basis that does not reduce 1 intensity of under casing, reduces the whole weight of battery panel beating box, returns shape cavity 10 and comprises first concave rib 5 and second concave rib 9, is favorable to promoting the anti-vibration performance of battery package, and strengthening rib 7 is used for fixed battery module and electrical components, the bearing gravity that can be better.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a shape reinforcing lightweight panel beating box structure returns, includes under casing (1), its characterized in that: bottom case (1) includes bottom plate (2) and curb plate (3), bottom plate (2) are including first flat board (4) and first concave rib (5), bottom plate (2) downside fixedly connected with fin (6), fin (6) and first concave rib (5) formula structure as an organic whole, bottom plate (2) upside fixed weld has strengthening rib (7), strengthening rib (7) are including dull and stereotyped (8) of second and second concave rib (9), first concave rib (5) and second concave rib (9) form shape cavity (10) back of cross-section for returning the font.

2. The light-weight metal plate box structure with the reinforcing structure in the shape of a Chinese character 'hui' as claimed in claim 1, wherein: the side plate (3) comprises a first side plate (11) and a second side plate (12), and a first bending portion (13) is fixedly connected to the upper side of the first side plate (11).

3. The light-weight metal plate box structure with the reinforcing square-wave shape as claimed in claim 2, wherein: a second bending part (14) is fixedly connected to the upper side of the second side plate (12).

4. The clip-shaped reinforced lightweight sheet metal box structure according to claim 3, characterized in that: the two groups of second side plates (12) are arranged, fixing blocks (15) are fixedly connected to the outer sides of the second side plates (12), and positioning holes (16) are formed in the fixing blocks (15).

5. The light-weight metal plate box structure with the reinforcing structure in the shape of a Chinese character 'hui' as claimed in claim 1, wherein: the first concave ribs (5) are distributed on the bottom plate (2) in a rectangular array.

6. The light-weight metal plate box structure with the reinforcing structure in the shape of a Chinese character 'hui' as claimed in claim 1, wherein: and the surfaces of the bottom box (1) and the reinforcing ribs (7) are covered with antirust paint layers.