CN215933717U

CN215933717U - New energy automobile battery box reaches car including this battery box

Info

Publication number: CN215933717U
Application number: CN202121867584.4U
Authority: CN
Inventors: 刘海龙
Original assignee: Lingyun Southwest Industrial Co ltd
Current assignee: Lingyun Southwest Industrial Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-03-01
Anticipated expiration: 2031-08-10

Abstract

The utility model relates to the technical field of new energy automobiles, and particularly discloses a new energy automobile battery box body which comprises a bottom plate and fixing beams fixedly connected to the top surface of the bottom plate and close to the front side and the rear side, wherein edge beams are fixedly connected to the top surface of the bottom plate and close to the left side and the right side, the bottom plate, the edge beams and the fixing beams form a frame body with an opening at the upper end and used for placing a power battery, the cross section of each edge beam is concave, concave surfaces of the edge beams are arranged towards the inside of the bottom plate, and two concave convex surfaces of the edge beams are positioned in the same vertical plane. The utility model can solve the problem that the power battery in the battery box body is easy to damage in collision in the prior art.

Description

New energy automobile battery box reaches car including this battery box

Technical Field

The utility model relates to the technical field of new energy automobiles, in particular to a battery box body of a new energy automobile and an automobile comprising the battery box body.

Background

With the continuous popularization of new energy automobiles, people have higher and higher requirements on the endurance of the new energy automobiles, and factors influencing the endurance of the new energy automobiles are many, wherein a power battery system is used as a core component of the new energy automobiles and needs to be protected in a key mode in the design process.

At present, power batteries of new energy vehicles are regularly arranged in a battery box body, and in order to improve the protection of the power batteries in the battery box body, side beams with strong impact resistance are arranged on two sides of the battery box body. For example, chinese patent publication No. CN 112078525 a discloses a supporting reinforcing beam, which has a hollow structure with an L-shaped cross section, and although the structure has a low weight and a strong impact resistance, the following problems still exist in the using process: when this reinforcing beam is fixed in on the battery box, if the battery box receives the side direction striking, the easy atress of vertical section that is L type reinforcing beam then takes place crooked in the battery box, causes the top of reinforcing beam to insert in the battery box and damage power battery's inner structure, still can cause power battery to appear the circumstances such as burning when serious, influences new forms of energy vehicle's security. Therefore, it is necessary to improve the structure of the existing battery box to improve the protection effect of the battery box on the power battery.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a new energy automobile battery box body to solve the problem that a power battery in a power battery box body in the prior art is easy to damage in collision.

In order to achieve the purpose, the basic technical scheme of the utility model is as follows: the utility model provides a new energy automobile battery box, includes that bottom plate and fixed connection are close to the fixed beam of preceding, back both sides on the top surface of bottom plate, close to left and right both sides fixedly connected with boundary beam on the top surface of bottom plate, and bottom plate, boundary beam and fixed beam enclose into the open-ended framework that is used for placing power battery in the upper end, and the font is personally submitted to the transversal shape of personally submitting of boundary beam, and the boundary beam is the concave surface of font and sets up within the bottom plate, and two protrusion faces that are the font are located same vertical plane.

The principle of the scheme is as follows: in the application, the bottom plate, the edge beam and the fixed beam are enclosed to form the frame body with an opening at the upper end, the power battery can be conveniently placed in the frame body, meanwhile, the fixed beam and the edge beam are fixed on the bottom plate, so that the bottom plate has stronger deformation resistance, the fixed beam and the bottom plate mainly play a bearing role, the edge beam is positioned at two sides of the bottom plate, when the power battery is placed in the battery box body, the concave surface of the edge beam faces towards the power battery on the bottom plate, and because the two concave convex surfaces on the edge beam are positioned in the same vertical plane, the power battery can simultaneously contact with the two concave convex surfaces on the edge beam when in contact with the edge beam, so that when the battery box body is impacted by the side surface, the two convex surfaces simultaneously generate acting force with the power battery, when the two convex surfaces deform under stress, the concave surfaces of partial opposite edge beams can deform in the concave surfaces, thereby reducing the impact on the power battery, the power battery is effectively protected.

The beneficial effect of this scheme is: compare fixed beam (being the boundary beam in this application) in prior art and be the L type, the vertical section of fixed beam warp easily and insert in power battery when receiving external force and collide, causes the damage to power battery. In the application, the cross section of the edge beam is arranged to be concave, and the concave surface faces the power battery, so that when the edge beam receives external force impact, on one hand, two convex surfaces of the edge beam are in contact with the power battery, and therefore the edge beam can be effectively prevented from being bent and inserted into the power battery to damage the power battery when the edge beam is stressed; on the other hand, the concave surface of boundary beam can provide the buffering to two protruding faces and dodge the space to carry out effectual buffering to impact force, further promote its guard action to power battery.

Furthermore, a plurality of lifting lugs are fixedly connected to the side wall of the fixed beam, which faces the outside of the bottom plate, and the lifting lugs are arranged along the length direction of the fixed beam.

Preferably, the whole battery box body is conveniently, quickly and stably installed by arranging the lifting lug on the fixed beam.

Furthermore, a plurality of positioning columns matched with the power battery are fixedly connected to the top surface of the bottom plate.

As the preferred, in this scheme, utilize the reference column to play the guide effect to power battery, conveniently place power battery in the framework fast, can also utilize the reference column to play the assistance-localization real-time effect to the power battery of putting into the framework simultaneously for power battery is located the framework more firmly.

Furthermore, the top surface fixedly connected with of bottom plate and boundary beam parallel arrangement's reinforcement roof beam.

Preferably, the reinforcing beam is used for reinforcing the battery box body, so that the impact resistance of the battery box body is improved.

Furthermore, the quantity of reference column is four at least, and all reference columns divide equally into two sets ofly, and two sets of location group are located the both sides of reinforcing beam.

As the preferred, in this scheme, can all include two reference columns at least in the space of reinforcement roof beam both sides, utilize two at least reference columns to carry out assistance-localization real-time to power battery, its assistance-localization real-time is better with supplementary firm effect.

Further, the boundary beam comprises a first vertical section, a first protrusion, a second protrusion and a second vertical section, the first protrusion and the second protrusion are two protruding parts in the concave beam body respectively, the first vertical section and the second vertical section are arranged between the first protrusion and the second protrusion in parallel, the second vertical section is close to the outer side of the bottom plate, and a buffering gap is arranged between the first vertical section and the second vertical section.

Preferably, in this scheme, through set up the buffering clearance between first vertical section and the vertical section of second, when the boundary beam receives and collides, the buffering clearance can play the cushioning effect to further reduce the impact that power battery received, play better protection to power battery.

Further, a buffer assembly is arranged in the buffer gap.

Preferably, the buffering assembly is arranged in the buffering gap, so that the side beam has better impact resistance.

Further, buffer unit includes the depressed part on the lateral wall of fixed connection orientation first vertical section on the vertical section of second, and the one end that the second vertical section was kept away from to the depressed part offsets with first vertical section.

Preferably, in this scheme, utilize the depressed part to provide the support to the buffering clearance between first vertical section and the vertical section of second to promote the vertical section of second impact resistance when receiving external impact.

Furthermore, one end of the concave part, which is far away from the second vertical section, is fixedly connected with the first vertical section.

Preferably, the recess is fixedly connected with the first vertical section, so that the connection between the first vertical section and the second vertical section is more stable, and the impact resistance of the first vertical section and the second vertical section is stronger.

The utility model provides a new energy automobile, includes the automobile body, can dismantle on the automobile body and be connected with the battery box, the boundary beam on the battery box is located the left and right both sides of automobile body.

In this scheme, can dismantle on the car and be connected with above-mentioned battery box, in the use, the boundary beam can play good impact resistance to the both sides of battery box to power battery in the battery box provides good protection, makes the security performance of car obtain promoting.

Drawings

Fig. 1 is a schematic view of a battery box of a new energy vehicle according to an embodiment of the utility model.

Figure 2 is a longitudinal section of the edge beam.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the structure comprises a bottom plate 1, a fixed beam 2, an edge beam 3, a first vertical section 301, a first protrusion 302, a second protrusion 303, a second vertical section 304, a connecting hole 305, a concave part 306, a reinforcing beam 4, a positioning column 5 and a lifting lug 6.

Example one

An embodiment substantially as shown in figure 1: the utility model provides a new energy automobile battery box, including bottom plate 1 and riveting before 1 top surface of bottom plate is close to, the fixed beam 2 of back both sides, the top surface of bottom plate 1 is close to a left side, the equal fixedly connected with boundary beam 3 in right side both sides, bottom plate 1, boundary beam 3 and fixed beam 2 enclose into the upper end open-ended framework that is used for placing power battery among the prior art, the top surface of bottom plate 1 is close to the middle part and passes through bolt fixedly connected with and the parallel anchor beam 4 of boundary beam 3, through four reference columns 5 of screw fixedly connected with on the top surface of bottom plate 1, four reference columns 5 are equallyd divide for two sets ofly, and two sets of reference columns 5 are located the left side and the right side of anchor beam 4.

As shown in fig. 2, the edge beam 3 is hollow, the cross section of the edge beam 3 is concave, the concave surface of the edge beam 3 is concave and faces the inside of the bottom plate 1, and the two concave convex surfaces are located in the same vertical plane. Specifically, the side sill 3 includes a first vertical section 301, a first protrusion 302, a second protrusion 303, and a second vertical section 304, which are rolled by a roller press, the first protrusion 302 and the second protrusion 303 are two protruding parts of a beam body shaped like a Chinese character 'ao', the left end surfaces of the two convex parts are positioned in the same vertical plane, a first vertical section 301 and a second vertical section 304 are arranged between a first bulge 302 and a second bulge 303 in parallel, the first bulge 302 and the second bulge 303 are provided with connecting holes 305 which vertically penetrate through the boundary beam 3, in fig. 1, a through hole is formed on the bottom plate 1 to be matched with the connection hole 305, and after a bolt is passed through the connection hole 305 and the through hole, the edge beam 3 may be fixed to the top surface of the base plate 1, and when the edge beam 3 is fixed to the base plate 1, the second vertical section 304 is close to the outer side of the base plate 1, and the first protrusion 302 and the second protrusion 303 are both facing the inner side of the base plate 1.

A buffer gap is arranged in the first vertical section 301 and the second vertical section 304, and a buffer component is arranged in the buffer gap, in this embodiment, the buffer component includes a concave portion 306 integrally formed on the second vertical section 304, the concave portion 306 protrudes leftward, and an end portion of the concave portion 306 protruding leftward (i.e., a left end of the concave portion 306 in fig. 2) abuts against a right side wall of the first vertical section 301.

The utility model provides a new energy automobile, includes the automobile body, and automobile body bottom can dismantle and be connected with above-mentioned battery box, and the concrete connection mode of battery box and automobile body is: as shown in fig. 1, on the fixed beam 2 towards the bottom plate 1 outside the lateral wall on the welding have a plurality of (two in this embodiment) lugs 6, it has the lewis hole to open on the lug 6, the welding has the lifting hook with lewis hole complex on the automobile body, when needs assemble the battery box to the automobile body, directly articulate lug 6 on the lifting hook, can make the battery box be connected on the automobile body, of course, connect on the automobile body for making the battery box more firm, can also adopt auxiliary bolt etc. to fix the battery box, no longer describe here any more.

The specific implementation mode is as follows:

when the new energy automobile in the embodiment is used, if the automobile is impacted by side collision, the battery box body in the embodiment can play a good role in protecting the power battery because the two sides of the battery box body are both provided with the edge beams 3, so that the edge beams 3 are firstly stressed when impacted, the edge beams 3 can generate large deformation to play a role in buffering because the edge beams 3 are in the cross section of the concave shape when impacted, and meanwhile, the two convex parts of the edge beams 3 are both contacted with the power battery, so that the edge beams 3 have two supporting points when the power battery is contacted, and the concave surface between the two convex parts provides a deformation space for the deformation of the two convex parts, further the impact resistance of the edge beams 3 is enhanced, and the concave parts 306 on the edge beams 3 also play a role in buffering, so that when the automobile is impacted by side collision, the battery box body in the embodiment can play a good role in protecting the power battery, the risk of safety accidents of the power battery when the automobile is impacted laterally is reduced.

Example two

On the basis of embodiment one, in order to make the depressed part 306 more stable with being connected of first vertical section 301, weld the left end of depressed part 306 and the right side wall of first vertical section 301 in this embodiment, utilize the connection effect of depressed part 306 for first vertical section 301 and second vertical section 304 are even as an organic whole, and when second vertical section 304 received external impact, depressed part 306 can play cushioning effect and make the damage that the frame received littleer to second vertical section 304, thereby plays better guard action to power battery.

The foregoing is merely an example of the present invention and common general knowledge in the art of specific structures and/or features of the utility model has not been set forth herein in any way. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a new energy automobile battery box, includes bottom plate and fixed connection near the fixed beam of preceding, back both sides on the top surface of bottom plate, its characterized in that: the top surface of the bottom plate is close to the left side and the right side, the edge beams are fixedly connected to the top surface of the bottom plate, the edge beams and the fixed beams form a frame body with an upper end opening for placing a power battery, the cross section of each edge beam is in a concave shape, concave surfaces of the edge beams in the concave shape face the inside of the bottom plate, and two convex surfaces in the concave shape are located in the same vertical plane.

2. The new energy automobile battery box body of claim 1, characterized in that: the side wall of the fixed beam, which faces the outside of the bottom plate, is fixedly connected with a plurality of lifting lugs, and the plurality of lifting lugs are arranged along the length direction of the fixed beam.

3. The new energy automobile battery box body of claim 2, characterized in that: and the top surface of the bottom plate is fixedly connected with a plurality of positioning columns matched with the power battery.

4. The new energy automobile battery box body of claim 3, characterized in that: the top surface fixedly connected with of bottom plate and boundary beam parallel arrangement's reinforcement roof beam.

5. The new energy automobile battery box body of claim 4, characterized in that: the quantity of reference column is four at least, and all reference columns divide equally into two sets ofly, and two sets of location group are located the both sides of reinforcing beam.

6. The battery box body of the new energy automobile according to any one of claims 1 to 5, characterized in that: the boundary beam comprises a first vertical section, a first protrusion, a second protrusion and a second vertical section, the first protrusion and the second protrusion are two protruding parts in the concave beam body respectively, the first vertical section and the second vertical section are arranged between the first protrusion and the second protrusion in parallel, the second vertical section is close to the outer side of the bottom plate, and a buffer gap is arranged between the first vertical section and the second vertical section.

7. The new energy automobile battery box body of claim 6, characterized in that: and a buffer assembly is arranged in the buffer gap.

8. The new energy automobile battery box body of claim 7, characterized in that: the buffer component comprises a concave part fixedly connected to the side wall of the second vertical section and facing the first vertical section, and one end, far away from the second vertical section, of the concave part is abutted to the first vertical section.

9. The new energy automobile battery box body of claim 8, characterized in that: one end of the concave part far away from the second vertical section is fixedly connected with the first vertical section.

10. The utility model provides a new energy automobile, includes the automobile body, its characterized in that: the battery box body of the new energy automobile as claimed in any one of claims 1 to 9 is detachably connected to the automobile body, and the boundary beams on the battery box body of the new energy automobile are positioned on the left side and the right side of the automobile body.