Integrated automobile thin-wall chassis

Abstract

The utility model belongs to the technical field of automobile chassis, and particularly relates to an integrated automobile thin-wall chassis which comprises two chassis steel beams and a plurality of connecting cross beams, the two chassis steel beams are correspondingly arranged, and the connecting cross beams are arranged on the chassis steel beams. The two ends of each connecting cross beam are fixedly connected with one sides of the two chassis steel beams correspondingly, downward concave parts used for installing a battery pack are arranged in the middles of the chassis steel beams, and an anti-collision assembly is fixedly connected between the two downward concave parts. According to the chassis, the anti-collision assembly is installed between the two chassis steel beams and used for protecting the battery pack, foreign matter on the road surface can be resisted, the allowance space part is formed in the middle of the protection beam, and a safety space can be arranged between the foreign matter and the bottom end of the battery pack; a certain distance can be generated between the bottom end of the battery pack and the bottom end of the protective beam through the space, so that the possibility that foreign matters are in contact with the bottom end of the battery pack is further reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile chassis, concretely relates to an integrated automobile thin-wall chassis. BACKGROUND

[0002] The automobile chassis of the traditional oil vehicle is composed of four parts of a transmission system, a running system, a steering system and a braking system, the chassis functions to support and install an automobile engine and its components and assembly, shape the overall modeling of the automobile, and accept the power of the engine to make the automobile move and ensure normal running, the new energy vehicle has differences from the traditional oil vehicle in terms of power structure and energy source, and thus the chassis thereof also has certain differences from the traditional oil vehicle.

[0003] The new energy automobile chassis needs to install a battery pack, the battery pack is prone to self-ignition after being impacted, and thus the battery pack needs to be protected, a common protection method is to thicken the steel plate corresponding to the bottom of the battery pack to resist the impact from foreign matters, however, this method not only causes the chassis to increase in weight, but also the thicker steel plate is arranged at the bottom end of the battery pack, and once the battery accidentally self-ignites, the thicker steel plate at the bottom is difficult to burn through and open, thereby causing the flame to spurt upward and increase the risk. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing an integrated automobile thin-wall chassis, which can improve safety, reduce the thickness of the thin-wall supporting plate, and make the flame penetrate the battery mounting assembly and spurt downward when the battery accidentally self-ignites, so as to solve the problems in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an integrated automobile thin-wall chassis, comprising chassis steel beams and connecting cross beams, the chassis steel beams are two, the two chassis steel beams are correspondingly arranged, the connecting cross beams are several, the two ends of the several connecting cross beams are respectively fixedly connected with one side of the two chassis steel beams, the middle part of the chassis steel beam is provided with a lower concave part for mounting a battery pack, the two lower concave parts are fixedly connected with an anti-collision assembly, the top end of the anti-collision assembly is fixedly connected with a battery mounting assembly, and the two sides of the battery mounting assembly are respectively fixedly connected with the two sides of the two lower concave parts.

[0006] Further, the anti-collision assembly comprises protective beams and supporting beams, the protective beams and the supporting beams are several, the several protective beams are equidistantly distributed along the length direction of the chassis steel beam, and the supporting beams are equidistantly distributed along the width direction of the chassis steel beam.

[0007] Further, the two ends of the protective beam are respectively fixedly connected with one side of the two chassis steel beams, the end part and the middle part of the protective beam are both horizontal structures, and the part connecting the middle part and the end part of the protective beam is an inclined structure to form a surplus space part above the middle part of the protective beam.

[0008] Further, the two ends of the support beam are fixedly connected with the two protective beams at the end, the middle part of the support beam is provided with an upward bulge, and the two ends of the support beam are U-shaped structures.

[0009] Further, the top end of the support beam and the top end of the protective beam are in the same horizontal plane.

[0010] Further, the battery mounting assembly comprises a thin-wall supporting plate and a battery mounting square, the battery mounting square is fixedly connected to the middle part of the top end of the thin-wall supporting plate, and the top end of the protective beam and the top end of the support beam are fixedly connected with the bottom end of the thin-wall supporting plate.

[0011] Further, the battery mounting square is correspondingly arranged at the middle horizontal part of the protective beam.

[0012] Compared with the prior art, the base plate is provided with the anti-collision assembly between the two base plate steel beams for protecting the battery pack, and can resist foreign matters on the road surface, the middle part of the protective beam forms a surplus space part, an insurance space can be arranged between the foreign matter and the bottom end of the battery pack, the space can make the bottom end of the battery pack and the bottom end of the protective beam have a certain distance, and the possibility of contact between the foreign matter and the bottom end of the battery pack is further reduced, so that the risk of the battery pack being impacted is reduced, and the safety is improved; the thickness of the thin-wall supporting plate can be reduced by arranging the anti-collision assembly, when the battery accidentally self-ignites, the flame can penetrate the battery mounting assembly and spray downward, and the safety is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a bottom view structural schematic diagram of the utility model;

[0014] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 3 It is a three-dimensional structural schematic diagram of the anti-collision assembly of the utility model;

[0016] Figure 4 It is a front view of the anti-collision assembly of the utility model;

[0017] Figure 5 It is a three-dimensional structural schematic diagram of the battery mounting assembly of the utility model.

[0018] In the drawings, the components represented by each reference number are listed as follows:

[0019] 1, chassis steel beam; 11, lower recess; 2, connecting cross beam; 3, anti-collision assembly; 31, protective beam; 32, support beam; 33, excess space part; 4, battery mounting assembly; 41, thin-walled supporting plate; 42, battery mounting grid. DETAILED DESCRIPTION

[0020] In order to make the purpose and advantages of the utility model more clear and apparent, the utility model is specifically described below in combination with examples. It should be understood that the following text is only used to describe one or several specific embodiments of the utility model, and does not strictly limit the specific protection scope requested by the utility model.

[0021] As shown in Figure 1 and 2 , an integrated automobile thin-walled chassis comprises two chassis steel beams 1 and a plurality of connecting cross beams 2. The two chassis steel beams 1 are arranged correspondingly. The two ends of the plurality of connecting cross beams 2 are fixedly connected to one side of the two chassis steel beams 1 respectively. The middle part of the chassis steel beam 1 is provided with a lower recess 11 for mounting a battery pack. An anti-collision assembly 3 is fixedly connected between the two lower recesses 11. The top end of the anti-collision assembly 3 is fixedly connected with a battery mounting assembly 4. The two sides of the battery mounting assembly 4 are fixedly connected to the two sides of the two lower recesses 11 respectively.

[0022] According to the above structure, the chassis can protect the battery pack by installing the anti-collision assembly 3 between the two chassis steel beams 1. The chassis can resist foreign matter on the road surface, avoid the contact between the foreign matter and the bottom end of the battery pack, reduce the risk of the battery pack being hit, improve the safety, and further reduce the thickness of the battery mounting assembly 4. When the battery accidentally self-ignites, the flame can penetrate the battery mounting assembly 4 and spray downward, further improving the safety. The chassis steel beam 1, the connecting cross beam 2 and the anti-collision assembly 3 of the chassis are connected in an integrated manner, reducing the use of connecting parts and redundant structures, and improving the strength of the chassis.

[0023] As shown in Figure 3 and 4 , the anti-collision assembly 3 comprises a protective beam 31 and a support beam 32. The protective beam 31 and the support beam 32 are both provided with a plurality of beams. The plurality of protective beams 31 are equidistantly distributed along the length direction of the chassis steel beam 1. The plurality of support beams 32 are equidistantly distributed along the width direction of the chassis steel beam 1. The two ends of the protective beam 31 are fixedly connected to one side of the two chassis steel beams 1 respectively. The end part and the middle part of the protective beam 31 are both horizontal structures. The part connecting the middle part and the end part of the protective beam 31 is an inclined structure, so that an excess space part 33 is formed above the middle part of the protective beam 31.

[0024] According to the above structure, in use, the protection beams 31 are arranged between the two chassis steel beams 1, the middle part of the protection beams 31 is formed with a downward recess, which can resist potential dangerous sources, and the middle part of the protection beams 31 is formed with a surplus space part 33, which can set an insurance space between the foreign matter and the bottom end of the battery pack, and the space can make the bottom end of the battery pack and the bottom end of the protection beams 31 have a certain distance, further reducing the possibility of the foreign matter contacting the bottom end of the battery pack.

[0025] As shown in Figure 3 and 4 , the two ends of the support beam 32 are fixedly connected with the two protection beams 31 at the ends, respectively, the middle part of the support beam 32 is provided with an upward protrusion, the two ends of the support beam 32 are both U-shaped structures, and the top end of the support beam 32 and the top end of the protection beam 31 are in the same horizontal plane.

[0026] According to the above structure, the arrangement of the support beam 32 not only can support the battery mounting assembly 4 and improve the stability of the battery mounting assembly 4, but also can connect the protection beams 31 and improve the strength of the protection beams 31.

[0027] As shown in Figure 4 and 5 , the battery mounting assembly 4 includes a thin-walled supporting plate 41 and a battery mounting square 42, the battery mounting square 42 is fixedly connected to the middle part of the top end of the thin-walled supporting plate 41, the top end of the protection beam 31 and the top end of the support beam 32 are both fixedly connected with the bottom end of the thin-walled supporting plate 41, and the battery mounting square 42 is arranged corresponding to the middle horizontal part of the protection beam 31.

[0028] According to the above structure, the battery pack is mounted in the battery mounting square 42, the thin-walled supporting plate 41 can support and protect the battery pack, the battery mounting square 42 is arranged above the middle horizontal part of the protection beam 31, which can make the battery pack and the bottom end of the protection beam 31 have a larger distance, thereby improving the safety of the battery pack.

[0029] The utility model discloses a working principle is: in use, the protection beam 31 sets up between two bottom disc steel beam 1, and the middle part of protection beam 31 forms the recess to the downwards, can resist the potential danger source, and the middle part of protection beam 31 forms the excess space portion 33, can set up an insurance space between the foreign matter and the bottom end of battery pack, this space can make the bottom end of battery pack and the bottom end between protection beam 31 produce certain distance, further reduce the possibility that foreign matter and the bottom end of battery pack contact, the setting of support beam 32 not only can support battery installation component 4, improve the stability of battery installation component 4, and can make protection beam 31 between produce the connection, improve the strength of protection beam 31, and battery pack is installed in the inside of battery installation square 42, and thin wall supporting plate 41 can support protection battery pack, and battery installation square 42 sets up in the top of protection beam 31 middle part horizontal portion, can make battery pack and the bottom end between protection beam 31 produce greater distance, thereby improve the security of battery pack.

[0030] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled person in the art, on the premise of not departing from the principle of the utility model, can make a number of improvements and refinements, these improvements and refinements also should be regarded as the protection scope of the utility model. The structure, device and operation method not specifically described and explained in the utility model, are implemented according to conventional means in the field, unless specifically described and limited.

Claims

1. An integrated thin-walled chassis for a vehicle, comprising a chassis beam (1) and a connecting cross beam (2), characterized in that: The chassis steel beams (1) are two, two said chassis steel beams (1) are correspondingly arranged, the connecting beams (2) are several, the two ends of the several connecting beams (2) are respectively fixedly connected with one side of the two chassis steel beams (1), the middle part of the chassis steel beam (1) is provided with a lower recess (11) for mounting a battery pack, two said lower recesses (11) are fixedly connected with a collision prevention assembly (3), the top end of the collision prevention assembly (3) is fixedly connected with a battery mounting assembly (4), the two sides of the battery mounting assembly (4) are respectively fixedly connected with the two sides of the two lower recesses (11). The collision prevention assembly (3) comprises a protection beam (31) and a support beam (32), the protection beam (31) and the support beam (32) are both several, the several protection beams (31) are equidistantly distributed along the length direction of the chassis steel beam (1), and the support beams (32) are equidistantly distributed along the width direction of the chassis steel beam (1).

2. The integrated automotive thin- walled chassis of claim 1, wherein: The two ends of the protection beam (31) are respectively fixedly connected with one side of the two chassis steel beams (1), the end part and the middle part of the protection beam (31) are both horizontal structures, and the part connecting the middle part and the end part of the protection beam (31) is an inclined structure so that a surplus space part (33) is formed above the middle part of the protection beam (31).

3. The integrated automotive thin-skin chassis of claim 2, wherein: The two ends of the support beam (32) are respectively fixedly connected with the two protection beams (31) located at the end part, the middle part of the support beam (32) is provided with an upward protrusion, and the two ends of the support beam (32) are both U-shaped structures.

4. The integrated automotive thin- walled chassis of claim 3, wherein: The top end of the support beam (32) and the top end of the protection beam (31) are in the same horizontal plane.

5. An integrated automotive thin- walled chassis according to claim 4, characterized in that: The battery mounting assembly (4) comprises a thin-walled supporting plate (41) and a battery mounting square (42), the battery mounting square (42) is fixedly connected to the middle part of the top end of the thin-walled supporting plate (41), and the top end of the protection beam (31) and the top end of the support beam (32) are fixedly connected with the bottom end of the thin-walled supporting plate (41).

6. An integrated automotive thin- walled chassis according to claim 5, characterized in that: The battery mounting square (42) is correspondingly arranged with the middle horizontal part of the protection beam (31).

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