CN206134778U

CN206134778U - Power battery box additional strengthening

Info

Publication number: CN206134778U
Application number: CN201621202590.7U
Authority: CN
Inventors: 刘飞; 文锋; 王占国; 周仁天
Original assignee: Huizhou Epower Electronics Co Ltd
Current assignee: Huizhou Epower Electronics Co Ltd
Priority date: 2016-11-08
Filing date: 2016-11-08
Publication date: 2017-04-26
Anticipated expiration: 2026-11-08

Abstract

The utility model provides a power battery box additional strengthening, cover and be used for placing the drain pan that power battery organized including the face, face lid below is located to the drain pan, the drain pan upper end is equipped with the flange, and the flange and the face of drain pan cover the border to be connected, makes face lid and drain pan form the confined box, still includes the internal frame of bearing power group battery, the internal frame locate between drain pan and the face lid and with drain pan welded fastening, the geomery phase -match of internal frame and drain pan, the internal frame is closely laminated with the inner wall of drain pan. The utility model discloses a design of internal frame for power battery box receives and the time reduces collision or extrusion wherein power battery group receives the impact, thereby improves power battery's anticollision protective properties, improves the security.

Description

A kind of power battery box reinforcement structure

Technical field

This utility model is related to electrokinetic cell field, more particularly to a kind of power battery box reinforcement structure.

Background technology

With the fast development of the industries such as new-energy automobile, for electrokinetic cell energy-storage property and security requirement also get over Come higher, in actual use, electrokinetic cell causes what is exploded or burn probably due to clashed into or extrude and damage Risk.Therefore, to the preventing collision protection of electrokinetic cell be current urgent need to resolve problem.

The content of the invention

For the problems referred to above, this utility model provides a kind of power battery box reinforcement structure, and a kind of power battery box is strengthened Structure, including cover and the drain pan for placing power battery pack, below cover, the drain pan upper end is provided with the drain pan Flange, the flange of drain pan are connected with cover edge, make cover and drain pan form the casing of closing, also including carrying power battery pack Inner frame, the inner frame is located between drain pan and cover and with drain pan and is welded and fixed；The shape of the inner frame and drain pan Size matches, and inner frame is brought into close contact with the inwall of drain pan.

Preferably, rectangular box of the inner frame for upper opening, is easily carried power battery pack, including multiple vertical Beam and multiple crossbeams, the longitudinal and cross beam weld to form one frame structure.

Preferably, also including outside framework, the outside framework is located at below drain pan and is welded and fixed with drain pan；The outside framework Match with the geomery of drain pan, outside framework is wrapped up whole drain pan and is brought into close contact with the outer wall of drain pan.

Further, the outside framework includes flange beam and multiple U-shaped beams, and the U-shaped opening of the U-shaped beam is upwards by drain pan Surround, the flange beam is frame shape, flange beam is located above outside framework edge and connects the two ends of all U-shaped beams, forms one and encloses Flange seal interface.

Further, the flange beam includes four sections of supports, four sides of the four sections of supports as flange beam, and head and the tail are successively It is welded and fixed.

Further, support includes the rib of U-shaped portion and U-shaped portion lower end, and the U-shaped opening of U-shaped portion is parallel towards flange Inside beam, so as to improve support bend resistance intensity in the horizontal direction, rib is vertically arranged, to improve support in vertically side Bend resistance intensity upwards.

Preferably, the flange beam is located at below the flange of drain pan and is provided with project-welding nut, the cover edge, drain pan Flange is corresponding to be provided with screw, and cover, drain pan, flange beam are locked and connected by bolt.

Preferably, the cover upper surface and drain pan bottom surface are provided with reinforcement convex tendon.

Preferably, also including seal washer, the seal washer is located between cover edge and the flange of drain pan.

Design of this utility model by inner frame so that power battery box receives collision or reduces wherein power when extruding Set of cells is impacted, and so as to improve the preventing collision protection performance of electrokinetic cell, improves safety.And outside framework is designed, in face Arrange on lid and bottom shell and strengthen convex tendon, further improve the firmness of power battery box, additionally, also being ensured using seal washer Power battery box has higher dustproof and waterproof grade.

Description of the drawings

Fig. 1 is the power battery box reinforcement structure embodiment overall diagram that this utility model is provided.

Fig. 2 is the power battery box reinforcement structure embodiment explosive view that this utility model is provided.

Fig. 3 is the power battery box reinforcement structure embodiment face cover structure figure that this utility model is provided.

Fig. 4 is the power battery box reinforcement structure embodiment drain pan schematic diagram that this utility model is provided.

Fig. 5 is the power battery box reinforcement structure embodiment outside framework schematic diagram that this utility model is provided.

Fig. 6 is the power battery box reinforcement structure embodiment U-shaped beam schematic diagram that this utility model is provided.

Fig. 7 is the power battery box reinforcement structure embodiment flange beam schematic diagram that this utility model is provided.

Fig. 8 is the power battery box reinforcement structure embodiment flange boom support cross-sectional view that this utility model is provided.

Specific embodiment

This utility model is described in further detail below in conjunction with specific embodiment and accompanying drawing.

Power battery box reinforcement structure, including cover as shown in Figure 1, 21, drain pan 2, inner frame 3, outside framework 4.It is wherein interior Framework 3 includes multiple longitudinal and cross beams, and longitudinal and cross beam welds to form one frame structure, and inner frame 3 is located in drain pan 2 to be used for Carry power battery pack and be welded and fixed with drain pan 2, inner frame 3 is matched with the geomery of drain pan 2, makes inner frame 3 and bottom The inwall of shell 2 is brought into close contact, so that the power battery pack that inner frame 3 is carried is firmly secured in drain pan 2.Cover 1 is located at bottom Above shell, cover 1 forms the casing of closing with drain pan 2.Outside framework 4 is located at below drain pan 2 and is welded and fixed with drain pan, outside framework 4 Match with the geomery of drain pan 2, wrap up whole drain pan 2 and be brought into close contact with the outer wall of drain pan 2, drain pan is protected from outside Clash into or crimp.Seal washer 5 is additionally provided between drain pan 2 and cover 1, reaches the water proof and dust proof grade of power battery box IP67。

As shown in figure 3, the upper surface of cover 1 is provided with the reinforcement convex tendon 12 of raising cover intensity, cover edge 11 is provided with spiral shell Hole.The bottom surface of drain pan 2 is provided with reinforcement convex tendon 22 to improve the intensity of drain pan as shown in Figure 4, and the edge of drain pan 2 is provided with flange, bottom The flange 21 of shell is provided with screw.Seal washer 5 is arranged between the flange 21 of drain pan and cover edge 11, the flange of drain pan 21 with Cover edge 11 connects, and makes cover 1 and drain pan 2 form the casing of closing.

As shown in Fig. 5,6,7, outside framework 4 includes flange beam 42 and multiple U-shaped beams 41.The U-shaped opening of U-shaped beam 41 upwards will Drain pan 2 is surrounded；Flange beam 42 is frame shape, is formed by four sections of supports, 421 head and the tail successively welding.

Flange beam 42 is located at 4 top edge of outside framework, and connects the two ends of all U-shaped beams 41, under the flange 21 of drain pan It is square to enclose flange seal interface into one.Flange beam 42 is provided with multiple project-welding nuts 422, by project-welding nut 422 and cover side Along 11 and drain pan flange 21 on screw so that cover, drain pan, flange beam are locked and connected by bolt.

The cross-sectional view of flange boom support as shown in Figure 8 421, the support 421 of flange beam include U-shaped portion 43 and U-shaped The rib 44 at subordinate end, the U-shaped opening of U-shaped portion 43 are parallel towards inside flange beam 42, so as to improve support 421 in level side Bend resistance intensity upwards, rib 44 are vertically arranged, to improve 421 in the vertical direction bend resistance intensity of support, so as to carry The bulk strength of high flange beam 42.

By said structure, the bulk strength of power battery box will be enhanced, and the power battery pack being placed therein is not Easily caused to damage by extraneous shock extruding, and with higher water proof and dust proof performance, with higher safety.

Although carrying out with reference to embodiments above to description of the present utility model, it is familiar with the art Personnel can carry out many replacements, modifications and variations, be obvious according to above-mentioned content.Therefore, it is all such Substitute, improve and change and be included in the spirit and scope of appended claims.

Claims

1. a kind of power battery box reinforcement structure, including cover（1）With for placing the drain pan of power battery pack（2）, the bottom Shell（2）Located at cover（1）Lower section, the drain pan（2）Upper end is provided with flange（21）, the flange of drain pan（21）With cover edge（11） Connection, makes cover（1）And drain pan（2）Form the casing of closing, it is characterised in that：Also include carrying the inner frame of power battery pack （3）, the inner frame（3）Located at drain pan（2）With cover（1）Between and be welded and fixed with drain pan；The inner frame（3）With drain pan （2）Geomery match, inner frame（3）With drain pan（2）Inwall be brought into close contact.

2. according to a kind of power battery box reinforcement structure described in claim 1, it is characterised in that：The inner frame（3）For top The rectangular box of opening, is easily carried power battery pack, including multiple longerons and multiple crossbeams, the longitudinal and cross beam welding Form one frame structure.

3. according to a kind of power battery box reinforcement structure described in claim 1, it is characterised in that：Also include outside framework（4）, it is described Outside framework（4）Positioned at drain pan（2）Lower section is simultaneously welded and fixed with drain pan；The outside framework（4）With drain pan（2）Geomery phase Match somebody with somebody, outside framework（4）Wrap up whole drain pan（2）And be brought into close contact with the outer wall of drain pan.

4. according to a kind of power battery box reinforcement structure described in claim 3, it is characterised in that：The outside framework（4）Including method Lan Liang（42）With multiple U-shaped beams（41）, the U-shaped beam（41）U-shaped opening upwards by drain pan（2）Surround, the flange beam （42）For frame shape, flange beam（42）Positioned at outside framework（4）Top edge simultaneously connects all U-shaped beams（41）Two ends, formed one enclose Flange seal interface.

5. according to a kind of power battery box reinforcement structure described in claim 4, it is characterised in that：The flange beam（42）Including four Section support（421）, four sections of supports（421）As flange beam（42）Four sides, head and the tail be welded and fixed successively.

6. according to a kind of power battery box reinforcement structure described in claim 5, it is characterised in that：Support（421）Including U-shaped portion （43）With the rib of U-shaped portion lower end（44）, U-shaped portion（43）U-shaped opening it is parallel towards flange beam（42）Inside, so as to improve Support（421）Bend resistance intensity in the horizontal direction, rib（44）It is vertically arranged, to improve support（421）In vertically side Bend resistance intensity upwards.

7. according to a kind of power battery box reinforcement structure described in claim 4, it is characterised in that：The flange beam（42）The bottom of positioned at The flange of shell（21）Lower section and be provided with project-welding nut（422）, the cover edge（11）, drain pan flange（21）It is corresponding to be provided with Screw, cover（1）, drain pan（2）, flange beam（42）Locked and connected by bolt.

8. according to a kind of power battery box reinforcement structure described in claim 1, it is characterised in that：The cover（1）Upper surface and Drain pan（2）Bottom surface is provided with reinforcement convex tendon（22）.

9. according to a kind of power battery box reinforcement structure described in claim 1, it is characterised in that：Also include seal washer（5）, institute State seal washer（5）Located at cover edge（11）With the flange of drain pan（21）Between.