CN115224425A

CN115224425A - New energy automobile buffering subassembly

Info

Publication number: CN115224425A
Application number: CN202211001099.8A
Authority: CN
Inventors: 李春和
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2022-10-21

Abstract

The invention provides a new energy automobile buffering assembly, relates to the technical field of new energy automobile buffering, and comprises the following components: the battery pack storage box comprises a box body, wherein a top cover is fixed above the box body through bolts, a battery pack is arranged in the box body, and a placing plate for placing the battery pack is arranged in the battery pack; and the buffer component is arranged between the box body and the placing plate and used for slowing down the influence of vehicle bumping on the battery pack. This kind of subassembly can cushion and offset the external force that vertical direction of group battery and transverse direction received through placing board and buffering subassembly to reduce the vehicle and jolt, accelerate and the emergency brake is to the influence of group battery, with the normal use of guarantee group battery, can not influence the normal radiating effect of group battery itself simultaneously.

Description

New energy automobile buffering subassembly

Technical Field

The invention relates to the technical field of new energy automobile buffering, in particular to a new energy automobile buffering assembly.

Background

The new energy automobile is an automobile which adopts unconventional automobile fuel as a power source, integrates advanced technologies in the aspects of power control and driving of the automobile, has advanced technical principle and new technology and structure and is formed.

The lithium cell group is new energy automobile's main energy memory, generally install on vehicle chassis through fixed knot structure, and the vehicle can meet the influence of synchronous road conditions at the in-process of traveling, for example the road conditions is not good to lead to the vehicle to jolt, the vehicle is with higher speed or vehicle emergency brake etc. all can make vehicle chassis and fixed knot construct and apply the external force to the group battery, especially the vehicle jolts, let the group battery receive great external force in vertical direction easily, it inclines and rocks to lead to the group battery to appear removing, cause the group battery impaired easily, influence the life of group battery, long-time rocking jolt simultaneously lets fixed knot structure's fixed effect descend easily, the safety in utilization of influence group battery.

In view of the above problems, generally, the surface of the battery pack is provided with an airbag or a spring plate for buffering and damping, in the actual use process, although the airbag and the spring plate can play a role in buffering the battery pack, the airbag or the spring plate only adheres to the surface of the battery pack, which easily affects the heat dissipation effect of the battery pack itself, and causes overheating of the battery pack, thereby affecting the normal use of the battery pack, and thus, the heat dissipation performance of the battery pack cannot be guaranteed.

Disclosure of Invention

The invention aims to solve the defects in the background art, and provides a new energy automobile buffer assembly, which can buffer and offset external force applied to a battery pack in the vertical direction and the transverse direction through a placing plate and the buffer assembly, so that the influence of vehicle bumping, acceleration and emergency braking on the battery pack is reduced, the normal use of the battery pack is ensured, and the normal heat dissipation effect of the battery pack is not influenced.

In order to achieve the above object, the present invention provides the following technical solution, a new energy automobile buffer assembly, including: the battery pack storage box comprises a box body, wherein a top cover is fixed above the box body through bolts, a battery pack is arranged in the box body, and a placing plate for placing the battery pack is arranged in the battery pack; and the buffer component is arranged between the box body and the placing plate and used for slowing down the influence of vehicle bumping on the battery pack.

Further, the buffer assembly includes: the mounting blocks are mounted on the bottom plate in the box body, and mounting grooves are formed in the mounting blocks; the second buffer rod is arranged between the placing plate and the bottom plate in the box body, and the rotating plate connected with the second buffer rod is rotatably connected in the mounting groove through a bearing; the first buffer rods are arranged on two opposite sides of the placing plate.

Furthermore, the inner side plates on two opposite sides of the box body are provided with sliding grooves, the first buffer rod is far away from one end of the placing plate, a moving groove is formed in the end of the placing plate, a moving plate is arranged inside the moving groove, one end of the moving plate protrudes out of the outer surface of the first buffer rod and is rotatably connected with a pulley through a bearing, the pulley is located in the sliding grooves, and a first buffer spring is arranged between the moving plate and the moving groove.

Furthermore, the inside inner tube that is equipped with of second buffer beam, the inside quilt of second buffer beam the inner tube is separated and is two parts in hydraulic pressure chamber and atmospheric pressure chamber, piston piece surface connection has the piston rod, the piston rod top is rotated through the bearing and is connected with the mounting panel, just the mounting panel with place the board and be connected, second buffer spring has been cup jointed in the second buffer beam outside, just second buffer spring's both ends respectively with mounting panel and installation piece are connected.

Furthermore, the hydraulic cavity is filled with hydraulic oil, a half space inside the air pressure cavity is filled with the hydraulic oil, the inner tube is internally provided with a piston block which is matched with the inner tube for use, the piston block is provided with a plurality of openings, and the position of the inner tube close to the bottom is provided with a through hole which is communicated with the hydraulic cavity and the air pressure cavity.

Further, the relative both sides of box are close to the bottom position and have all seted up the breather pipe, the inside active carbon filter screen that is used for isolated dust that is equipped with of breather pipe, be equipped with on the box bottom plate two with the tuber pipe that the breather pipe switched on mutually, rotate through the bearing on the box bottom plate and be connected with two rotary rods, and two the rotary rod is located two respectively in the tuber pipe, the rotary rod outside is equipped with the flabellum, and two on the rotary rod the flabellum orientation is opposite, the standing groove has been seted up on the standing groove surface, the inside conducting strip that is the honeycomb shape that is equipped with of standing groove.

Further, the thread groove has been seted up on the rotary rod top, the thread inslot portion is equipped with rather than supporting threaded rod of using, the threaded rod top is connected with the lifter, just lifter top protrusion in rotary rod upper surface has the connecting rod through rotation axis connection, the connecting rod top through rotation axis connection have with place the connecting plate that the board is connected.

Further, the group battery with place and be equipped with fixed subassembly between the board for fix the group battery, it is "U" shape structure to place the board, fixed subassembly includes: the protection frame is arranged on the outer side of the battery pack, and clamping grooves are uniformly formed in two opposite sides of the protection frame; the clamping plates are arranged on two opposite sides of the inner wall of the placing plate, one side, close to the protection frame, of each clamping plate is connected with a clamping block, and one end of each clamping block is provided with an inclined surface; the limiting plate is connected with one side, away from the clamping block, of the clamping plate, and an extrusion groove which is obliquely arranged is formed in the limiting plate; and the compression springs are arranged between the clamping plate and the placing plate.

Further, place on the board seted up with the supporting spacing groove that uses of limiting plate, place the board upper surface and seted up a plurality of grooves of pressing, press inslot portion to be equipped with rather than the supporting pressing block that uses, press the pressing block bottom to be equipped with the inclined plane, place inboard set up with the groove that resets that the pressing groove switched on mutually, be connected with the board that resets according to the pressing block, reset the board with it is equipped with reset spring to reset between the groove.

The invention provides a new energy automobile buffer component which has the following beneficial effects:

the battery pack fixing device has the advantages that external force applied to the battery pack in the vertical direction and the transverse direction can be buffered and offset through the placing plate and the buffering assembly, so that the influence of vehicle bumping, acceleration and emergency braking on the battery pack is reduced, the normal use of the battery pack is guaranteed, meanwhile, the normal heat dissipation effect of the battery pack is not influenced, secondly, when the placing plate moves, the box body is ventilated through the rotary rod, the air pipe and the fan blades, the purpose of quickly discharging heat generated by the battery pack is achieved, and then the battery pack can be conveniently clamped and fixed through the fixing assembly.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a sectional view of the overall structure of the present invention.

FIG. 3 is a half sectional view of a second bumper beam structure according to the present invention.

Fig. 4 is a half sectional view of the rotary lever structure of the present invention.

Fig. 5 is a schematic view of a battery pack according to the present invention.

FIG. 6 is a schematic view of a placement board structure of the present invention

Fig. 7 is a schematic view of a structure of a heat conducting sheet according to the present invention.

FIG. 8 is a schematic diagram of a clamping plate structure according to the present invention.

FIG. 9 is a schematic view of a second buffer rod according to the present invention.

Fig. 10 is a schematic structural view of a second buffer spring according to the present invention.

Fig. 11 is a schematic view of the rotating plate structure of the present invention.

Fig. 12 is an enlarged view of fig. 2 at a according to the present invention.

Fig. 13 is an enlarged view of the invention at B in fig. 2.

In FIGS. 1-13: 1. a box body; 101. a chute; 102. a breather pipe; 103. an air duct; 104. rotating the rod; 105. a fan blade; 106. a thread groove; 107. a threaded rod; 108. a lifting rod; 109. a connecting rod; 1091. a connecting plate; 2. a top cover; 3. placing a plate; 301. a heat conductive sheet; 302. a compression spring; 303. a clamping plate; 304. a clamping block; 305. a limiting plate; 3051. a limiting groove; 306. extruding a groove; 307. a pressing block; 3071. pressing the groove; 308. a reset plate; 309. a return spring; 3091. a reset groove; 4. a battery pack; 401. a protective frame; 402. a clamping groove; 5. a first buffer rod; 501. a moving groove; 502. a first buffer spring; 503. moving the plate; 504. a pulley; 6. mounting blocks; 601. mounting grooves; 602. a rotating plate; 603. a second buffer rod; 6031. a second buffer spring; 604. an inner tube; 605. a through hole; 606. a piston block; 607. an opening; 608. a piston rod; 609. and (7) mounting the plate.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It should be apparent that the described embodiments are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Further, the present application may repeat reference numerals and/or reference letters in the various examples for simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or arrangements discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

The embodiment of the application provides a new energy automobile buffering subassembly, this new energy automobile buffering subassembly can realize cushioning through placing board and buffering subassembly, can offset to the external force that vertical direction of group battery and transverse direction received to reduce the vehicle and jolt, accelerate and the emergency braking influence to the group battery, with the normal use of guarantee group battery, can not influence the normal radiating effect of group battery itself simultaneously. The new energy automobile buffering assembly is explained in detail below. It should be noted that the following description of the embodiments is not intended to limit the preferred order of the embodiments.

The present application is described in detail below with reference to the attached drawings and the detailed description. Referring to fig. 1 to 13, the new energy vehicle buffering assembly provided in the present embodiment includes: the battery pack storage box comprises a box body 1, wherein a top cover 2 is fixed above the box body 1 through bolts, a battery pack 4 is arranged in the box body 1, and a placing plate 3 for placing the battery pack 4 is arranged in the battery pack 4; and the buffer component is arranged between the box body 1 and the placing plate 3 and is used for slowing down the influence of vehicle bumping on the battery pack 4.

In this embodiment, new energy automobile buffering subassembly mainly includes box 1, top cap 2, places board 3, group battery 4 and buffering subassembly.

Wherein, new energy automobile buffering subassembly include through placing board 3 and buffering subassembly, can cushion the external force that receives to group battery 4 vertical direction and transverse direction and offset, jolt in order to reduce the vehicle, with higher speed and emergency brake to group battery 4's influence, in order to ensure group battery 4's normal use, can not influence the normal radiating effect of group battery 4 itself simultaneously, secondly, when placing board 3 and appear moving, through rotary rod 104, tuber pipe 103 and flabellum 105 take a breath to box 1, in order to reach the thermal purpose of quick discharge group battery 4 production, then, through fixed subassembly, can be convenient for carry out the block to group battery 4 fixed.

In some embodiments, the buffer assembly comprises: the installation blocks 6 are installed on the bottom plate in the box body 1, and installation grooves 601 are formed in the installation blocks 6; a second buffer rod 603 arranged between the placing plate 3 and the bottom plate in the box body 1, wherein the inside of the mounting groove 601 is rotatably connected with a rotating plate 602 connected with the second buffer rod 603 through a bearing; first buffer rods 5 provided on opposite sides of the placement plate 3.

Because new energy automobile's battery is in the use, receive the influence that the vehicle jolted easily, wherein most jolt for vertical direction atress, lead to the easy abnormal problem that goes out of group battery 4, influence the normal use and the life of group battery 4, come to jolt the influence to group battery 4 to slowing down the vehicle through many first buffer poles 5 and many second buffer poles 603 this moment, in order to ensure group battery 4 normal operating to use, slow down the influence of impact to group battery 4 when receiving external striking simultaneously, in order to prevent that group battery 4 from receiving the striking and warping and arousing that electrolyte leaks, even cause the disaster explosion.

In some embodiments, the inner side plates of two opposite sides of the box 1 are both provided with the sliding grooves 101, one end of the first buffer rod 5, which is far away from the placing plate 3, is provided with a moving groove 501, a moving plate 503 is arranged inside the moving groove 501, one end of the moving plate 503 protrudes out of the outer surface of the first buffer rod 5 and is rotatably connected with a pulley 504 through a bearing, the pulley 504 is located in the sliding groove 101, and a first buffer spring 502 is arranged between the moving plate 503 and the moving groove 501.

And group battery 4 is when receiving the external force of jolting of horizontal direction, place board 3 and appear the offset trend, absorb the external force through the first buffer spring 502 who places the board both sides this moment and resist, reduce to use the external force on placing board 3, and place board 3 when moving, drive second buffer spring 6031 through mounting panel 609 and carry out bending deformation and produce elasticity, the removal trend of board 3 is placed in further reduction, thereby reach the influence that slows down the vehicle and jolt and bring, then place board 3 when the trend that the vertical direction removed appears.

In some embodiments, an inner tube 604 is arranged inside the second buffer rod 603, the inside of the second buffer rod 603 is divided into two parts, namely a hydraulic chamber and an air pressure chamber, by the inner tube 604, a piston rod 608 is connected to the upper surface of the piston block 606, the top end of the piston rod 608 is rotatably connected with a mounting plate 609 through a bearing, the mounting plate 609 is connected with the placing plate 3, a second buffer spring 6031 is sleeved outside the second buffer rod 603, and two ends of the second buffer spring 6031 are respectively connected with the mounting plate 609 and the mounting block 6.

When the battery pack 4 receives a bumping external force in the vertical direction, the placing plate 3 tends to move in the vertical direction, and the external force is absorbed and resisted through the second buffer spring 6031, so that the second buffer rod 603 can rotate along with the transverse deviation of the placing plate 3 through the arrangement of the mounting groove 601 and the rotating plate 602, and the buffer effect of the second buffer rod 603 is guaranteed.

In some embodiments, the hydraulic chamber is filled with hydraulic oil, a half space of the pneumatic chamber is filled with hydraulic oil, the inner tube 604 is provided with a piston block 606 used in cooperation therewith, the piston block 606 is provided with a plurality of openings 607, and a through hole 605 communicating the hydraulic chamber and the pneumatic chamber is provided at a position of the inner tube 604 close to the bottom.

Meanwhile, the placing plate 3 drives the piston block 606 to move downwards through the mounting plate 609 and the piston rod 608, so that the piston block 606 extrudes hydraulic oil in the hydraulic cavity, and the piston block 606 is in the moving process, the hydraulic oil circulates through the plurality of openings 607, and meanwhile, under the condition that the downward movement speed of the piston block 606 is too high, the hydraulic oil cannot flow through the openings 607 in time, so that the piston block 606 is subjected to the resistance of the hydraulic oil, thereby resisting the stress that the placing plate 3 is bumped in the vertical direction, so as to achieve the buffering effect on the placing plate 3 and the battery pack 4, and then the hydraulic oil is extruded by the piston block 606 and flows into the air pressure cavity through the through hole 605, so that the air pressure ascending pressure in the air pressure cavity is increased, when the moving speed and the force of the piston block 606 are reduced, the hydraulic oil is pressed back into the hydraulic cavity under the action of the air pressure, and then the piston block 606 is driven by the placing plate 3, the piston rod 608 and the mounting plate 609 to move upwards, so that the piston block 606 is also subjected to the resistance brought by the hydraulic oil, thereby reducing the upward moving speed and the vertical bumping effect of the battery pack 4 in the vertical direction by the second buffer rod 603 in cooperation with the second buffer spring 603.

In some embodiments, the ventilating pipes 102 have been both opened near the bottom of the two opposite sides of the box 1, the inside of the ventilating pipe 102 is provided with an activated carbon filter screen for isolating dust, the bottom plate of the box 1 is provided with two air pipes 103 communicated with the ventilating pipes 102, the bottom plate of the box 1 is rotatably connected with two rotating rods 104 through bearings, the two rotating rods 104 are respectively located in the two air pipes 103, the outer sides of the rotating rods 104 are provided with fan blades 105, the fan blades 105 on the two rotating rods 104 face oppositely, the surface of the placing plate 3 is provided with a placing groove, and the inside of the placing groove is provided with a heat conducting fin 301 in a honeycomb shape.

Group battery 4 can produce a large amount of heats when using, in the heat that group battery 4 produced was conducted and was gived off to box 1 through honeycomb conducting strip 301 this moment, can increase group battery 4 bottom surface and gaseous contact surface through honeycomb conducting strip 301 simultaneously under the prerequisite that the guarantee supported group battery 4, improvement radiating effect.

In some embodiments, a threaded groove 106 is formed at the top end of the rotating rod 104, a threaded rod 107 used in cooperation with the threaded groove 106 is arranged inside the threaded groove 106, a lifting rod 108 is connected to the top end of the threaded rod 107, the top end of the lifting rod 108 protrudes out of the upper surface of the rotating rod 104 and is connected with a connecting rod 109 through a rotating shaft, and the top end of the connecting rod 109 is connected with a connecting plate 1091 connected with the placing plate 3 through a rotating shaft.

Then place board 3 in the in-process that removes, through connecting plate 1091, connecting rod 109 and lifter 108 drive threaded rod 107 and move, and threaded rod 107 is connected with thread groove 106 threaded engagement, and then drive rotary rod 104 and rotate, so that flabellum 105 is rotatory in tuber pipe 103, and because flabellum 105 orientation on two rotary rods 104 is opposite, make place board 3 in the removal process, two rotary rods 104 and its corresponding flabellum 105 are the opposite direction and rotate, make tuber pipe 103 in box 1 one be the state of blowing, another is the state of breathing in, and take a breath to the gas in box 1 fast through breather pipe 102, so as to reach the heat that quick discharge group battery 4 produced, and carry out filtration treatment to the dust impurity in the gas through the active carbon filter screen in breather pipe 102, in order to prevent that group battery 4 from appearing the laying dust and influencing the normal use of group battery 4.

In some embodiments, a fixing assembly is disposed between the battery pack 4 and the placing plate 3 for fixing the battery pack 4, the placing plate 3 is in a "U" shape, and the fixing assembly includes: the protection frame 401 is arranged on the outer side of the battery pack 4, and clamping grooves 402 are uniformly formed in two opposite sides of the protection frame 401; the clamping plates 303 are arranged on two opposite sides of the inner wall of the placing plate 3, one sides of the clamping plates 303 close to the protection frame 401 are connected with clamping blocks 304, and one ends of the clamping blocks 304 are provided with inclined surfaces; a limiting plate 305 connected with the clamping plate 303 at the side far away from the clamping block 304, wherein the limiting plate 305 is provided with an extrusion groove 306 which is obliquely arranged; a plurality of compression springs 302 provided between the holding plate 303 and the placing plate 3.

When the battery pack 4 is placed on the placing plate 3, the inclined surface of the clamping block 304 is in contact with the bottom end of the protection frame 401 and is squeezed open, at the moment, the compression spring 302 generates elastic deformation to generate elastic force, after the battery pack 4 is completely placed on the placing plate 3, the clamping block 304 is opposite to the clamping groove 402 in position, the clamping plate 303 and the clamping block 304 rebound under the action of the elastic force of the compression spring 302, the protection frame 401 is connected with the clamping plate 303 in a clamping mode through the clamping block 304 and the clamping groove 402, fixing of the battery pack 4 is completed, the battery pack 4 is prevented from being separated from the placing plate 3, and the effect that buffering cannot be achieved on the battery pack 4 is achieved.

In some embodiments, the placing plate 3 is provided with a limiting groove 3051 used with the limiting plate 305 in a matching manner, the upper surface of the placing plate 3 is provided with a plurality of pressing grooves 3071, the pressing groove 3071 is internally provided with a pressing block 307 used in a matching manner, the bottom end of the pressing block 307 is provided with an inclined surface, the placing plate 3 is internally provided with a resetting groove 3091 communicated with the pressing groove 3071, the pressing block 307 is connected with a resetting plate 308, and a resetting spring 309 is arranged between the resetting plate 308 and the resetting groove 3091.

Through the setting of limiting plate 305 and spacing groove 3051, can prescribe a limit to the moving direction of grip block 303, when the group battery 4 is required to be taken out, press piece 307 through pressing, make the inclined plane that presses the piece 307 bottom contact with extrusion groove 306 and drive limiting plate 305 and to keeping away from group battery 4 direction removal, and then let block 304 and block groove 402 separate, so that the staff takes out the group battery, loosen after taking out and press piece 307, make and press piece 307 kick-back to former under the effect of reset plate 308 and reset spring 309 elasticity, through the setting of reset groove 3091 and reset plate 308 simultaneously, can prescribe a limit to the moving direction and the distance that press piece 307.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to the related descriptions of other embodiments.

The new energy automobile buffer assembly provided by the embodiment of the application is described in detail, a specific example is applied to explain the principle and the implementation mode of the application, and the description of the embodiment is only used for helping to understand the technical scheme and the core idea of the application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically, electrically or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Claims

1. The utility model provides a new energy automobile buffering subassembly which characterized in that includes:

the battery pack box comprises a box body, wherein a top cover is fixed above the box body through bolts, a battery pack is arranged in the box body, and a placing plate for placing the battery pack is arranged in the battery pack; and

and the buffer component is arranged between the box body and the placing plate and used for relieving the influence of vehicle bumping on the battery pack.

2. The new energy automobile buffering assembly as claimed in claim 1, wherein the buffering assembly comprises:

the mounting blocks are mounted on the bottom plate in the box body, and mounting grooves are formed in the mounting blocks;

the second buffer rod is arranged between the placing plate and the bottom plate in the box body, and the rotating plate connected with the second buffer rod is rotatably connected in the mounting groove through a bearing;

the first buffer rods are arranged on two opposite sides of the placing plate.

3. The new energy automobile buffering assembly as claimed in claim 2, wherein sliding grooves are formed in the inner side plates on two opposite sides of the box, a moving groove is formed in one end of the first buffering rod away from the placing plate, a moving plate is arranged in the moving groove, one end of the moving plate protrudes out of the outer surface of the first buffering rod and is rotatably connected with a pulley through a bearing, the pulley is located in the sliding groove, and a first buffering spring is arranged between the moving plate and the moving groove.

4. The new energy automobile buffering assembly according to claim 2, wherein an inner pipe is arranged inside the second buffering rod, the inside of the second buffering rod is divided into two parts, namely a hydraulic cavity and a pneumatic cavity, by the inner pipe, a piston rod is connected to the upper surface of the piston block, a mounting plate is rotatably connected to the top end of the piston rod through a bearing, the mounting plate is connected to the placing plate, a second buffering spring is sleeved on the outer side of the second buffering rod, and two ends of the second buffering spring are respectively connected to the mounting plate and the mounting block.

5. The new energy automobile buffering assembly according to claim 4, wherein hydraulic oil is filled in the hydraulic cavity, oil and hydraulic oil is filled in a half space in the air pressure cavity, a piston block matched with the inner tube is arranged in the inner tube, a plurality of openings are formed in the piston block, and through holes communicating the hydraulic cavity with the air pressure cavity are formed in the position, close to the bottom, of the inner tube.

6. The new energy automobile buffer assembly according to claim 1, wherein vent pipes are respectively disposed at two opposite sides of the box body near the bottom, an activated carbon filter screen for isolating dust is disposed inside the vent pipes, two air pipes communicated with the vent pipes are disposed on a bottom plate in the box body, two rotating rods are rotatably connected to the bottom plate in the box body through bearings, the two rotating rods are respectively located in the two air pipes, fan blades are disposed outside the rotating rods, the fan blades on the two rotating rods face opposite directions, a placement groove is disposed on the surface of the placement plate, and a heat conducting fin in a honeycomb shape is disposed inside the placement groove.

7. The new energy automobile buffer assembly according to claim 6, wherein a threaded groove is formed at the top end of the rotating rod, a threaded rod matched with the threaded groove is arranged in the threaded groove, a lifting rod is connected to the top end of the threaded rod, the top end of the lifting rod protrudes out of the upper surface of the rotating rod and is connected with a connecting rod through a rotating shaft, and the top end of the connecting rod is connected with a connecting plate connected with the placing plate through a rotating shaft.

8. The new energy automobile buffer assembly as claimed in claim 1, wherein a fixing assembly is provided between the battery pack and the placing plate for fixing the battery pack, the placing plate is in a "U" shape, and the fixing assembly comprises:

the protection frame is arranged on the outer side of the battery pack, and clamping grooves are uniformly formed in two opposite sides of the protection frame;

the clamping plates are arranged on two opposite sides of the inner wall of the placing plate, one side, close to the protection frame, of each clamping plate is connected with a clamping block, and one end of each clamping block is provided with an inclined surface;

the limiting plate is connected with one side, away from the clamping block, of the clamping plate, and an extrusion groove which is obliquely arranged is formed in the limiting plate;

and the compression springs are arranged between the clamping plate and the placing plate.

9. The new energy automobile buffering assembly according to claim 8, wherein a limiting groove matched with the limiting plate is formed in the placing plate, a plurality of pressing grooves are formed in the upper surface of the placing plate, pressing blocks matched with the pressing grooves are arranged in the pressing grooves, an inclined surface is arranged at the bottom end of each pressing block, a reset groove communicated with the pressing grooves is formed in the placing plate, a reset plate is connected to each pressing block, and a reset spring is arranged between each reset plate and each reset groove.