New energy automobile convenient for protecting battery tray

Abstract

The new energy automobile comprises an electrical storage device and a protective cover plate, a metal base is installed on the surface of the bottom end of the electrical storage device, the protective cover plate is in threaded connection to the upper end of the electrical storage device, and the electrical storage device comprises a steel support, a storage battery, a protective device, a limiting frame and a cooling plate. The steel support is installed at the lower end of the protection device, the cooling plate is installed on the surface of the bottom end in the protection device, the storage battery is installed on the surface of the top end of the cooling plate, and the limiting frame is in threaded connection with the upper end of the protection device. According to the storage battery fixing device, the clamping plates, the inserting frames and the second spiral springs are arranged, the second spiral springs are used for pushing the clamping plates to move left and right on the inner wall surface of the lower tray, so that a storage battery can be clamped and fixed through the four sets of clamping plates, the clamping plates of different specifications can be clamped and fixed through the clamping plates, and the safety of the clamping plates can be protected.

Description

Technical Field

[0001] The present invention relates to the technical field of new energy vehicles, and specifically relates to a new energy vehicle that is convenient for protecting a battery tray. Background Art

[0002] A new energy vehicle refers to a vehicle that uses unconventional vehicle fuels as the power source, integrates advanced technologies in vehicle power control and drive, and forms an advanced technical principle, a new vehicle with new technologies and new structures.

[0003] The prior art discloses a battery tray for a new energy vehicle with the application number: CN202410362003.3, which includes a tray frame, a tray bottom plate, a battery pack multi-hole clamping plate, and a front-leaning protection component. The tray bottom plate is detachably arranged at the bottom of the tray frame, the battery pack multi-hole clamping plate is detachably arranged on the tray bottom plate, the front-leaning protection component is arranged inside the tray frame, and the front-leaning protection component includes a front-leaning monitoring unit and a battery pack protection unit. The present invention specifically provides a battery tray for a new energy vehicle that includes a front-leaning monitoring unit, an emergency stop monitoring mechanism, and a battery pack protection unit, and can provide different protection measures for the battery pack according to the deceleration amplitude of the vehicle.

[0004] The above-mentioned battery pack multi-hole clamping plate is detachably arranged on the tray bottom plate, and the battery components can be clamped and fixed through the battery pack multi-hole clamping plate. However, since the specifications of the battery components are different, different types of battery pack multi-hole clamping plates need to be disassembled and replaced, and a lot of time is required for the maintenance of the battery pack multi-hole clamping plate. Summary of the Invention

[0005] The purpose of the present invention is to provide a new energy vehicle that is convenient for protecting a battery tray, so as to solve the problems raised in the above background art.

[0006] To solve the above technical problems, the present invention provides the following technical solution: A new energy vehicle that is convenient for protecting a battery tray, including a power storage device and a protection cover plate. A metal base is installed on the bottom surface of the power storage device, and the protection cover plate is threadedly connected to the upper end of the power storage device.

[0007] The power storage device includes a steel bracket, a storage battery, a protection device, a limiting frame, and a cooling plate. The steel bracket is installed at the lower end of the protection device, the cooling plate is installed on the inner bottom surface of the protection device, the storage battery is installed on the top surface of the cooling plate, and the limiting frame is threadedly connected to the upper end of the protection device.

[0008] The protection device includes a lower tray, a support frame, a clamping assembly, a limiting rod, and a second connecting piece. The support frame is fixedly connected to the bottom surface inside the lower tray. The limiting rod is fixedly connected to the bottom surface inside the lower tray. The clamping assembly is fixedly connected to the left and right ends of the lower tray. The second connecting piece is threadedly connected to the outward end of the clamping assembly.

[0009] The clamping assembly includes a first metal shell, a locking device, a limiting cover plate, a spring-back device, a sliding metal rod, and a cooling device. The cooling device is threadedly connected to the top surface of the first metal shell. The sliding metal rod is fixedly connected to the inner wall surface of the first metal shell. The spring-back device is slidably connected to the inner wall surface of the first metal shell. The limiting cover plate is threadedly connected to the outward side surface of the first metal shell. The locking device is threadedly connected to the front and rear ends of the limiting cover plate.

[0010] The spring-back device includes a plugging frame, a first spiral spring, a clamping plate, a metal plug, and a second spiral spring. The first spiral spring is installed at the outward end of the plugging frame. The metal plug is installed at the lower end of the plugging frame. The metal plug is slidably connected to the inward end of the clamping plate. The second spiral spring is fixedly connected to the outward end of the clamping plate.

[0011] The clamping plate includes a clamping plate body, a metal plugging rod, a sliding plate, and moving rollers. The metal plugging rod is fixedly connected to the outward side surface of the clamping plate body. The sliding plate is slidably connected to the surface of the metal plugging rod. The moving rollers are installed at the outward end of the sliding plate.

[0012] According to the above technical solution, the plugging frame includes a first plugging piece, a connecting plate, and a second plugging piece. The second plugging piece is fixedly connected to the upward end of the connecting plate. The first plugging piece is fixedly connected to the upward end of the connecting plate.

[0013] According to the above technical solution, the cooling device includes a second metal shell, an L-shaped connecting plate, a first connecting piece, an air extraction fan, a filtering frame, and a third spiral spring. The L-shaped connecting plate is threadedly connected to the outward side surface of the second metal shell. The air extraction fan is installed on the inner wall surface of the second metal shell. The first connecting piece is fixedly connected to the outward side surface of the second metal shell. The filtering frame is threadedly connected to the inner wall surface of the second metal shell. The third spiral spring is fixedly connected to the front and rear ends of the second metal shell.

[0014] According to the above technical solution, the steel support is movably connected to the upper surface of the metal base. The steel support is slidably connected to the lower surface of the lower tray. The metal base is installed at the lower end of the lower tray. The metal base and the steel support can determine the position of the lower tray, so that the position of the lower tray can be determined and the safety of the steel support can be protected.

[0015] According to the above technical solution, the protective cover plate is threadedly connected to the upper end of the limit frame, the protective cover plate is movably connected to the upper end of the inner wall surface of the lower tray, the protective cover plate is movably connected to the top surface of the connecting plate, and the protective cover plate and the lower tray are threadedly connected, so as to be able to protect the storage battery, thereby increasing the service time of the device.

[0016] According to the above technical solution, the limit frame is threadedly connected to the upper end of the limit rod, the cooling plate is movably connected to the top surface of the support frame, and the limit frame slides on the surface of the limit rod, so as to be able to determine the position of the storage battery, prevent the storage battery from shaking, and can carry out reinforcement operations on the storage battery to protect the safety of the storage battery.

[0017] According to the above technical solution, the connecting plate is slidably connected to the upper surface of the lower tray, the second plug-in part is slidably connected to the outer end of the second metal shell, and the air extraction fan is connected to the outer end of the second plug-in part, so as to be able to determine the position of the second metal shell.

[0018] According to the above technical solution, the second spiral spring is fixedly connected to the inner wall surface of the first metal shell, the moving roller is rollingly connected to the inner wall surface of the first metal shell, and the sliding plate is slidably connected to the surface of the sliding metal rod. Due to the resilience of the second spiral spring, the second spiral spring can push the sliding plate to slide on the surface of the sliding metal rod, enabling the sliding of the clamping plate body to be smoother and faster.

[0019] According to the above technical solution, the second connecting piece is inserted into the inner wall surface of the steel support, and the second connecting piece is movably connected to the lower end of the connecting plate. The connecting plate slides on the surface of the second connecting piece, so as to be able to determine the position of the connecting plate and avoid the shaking of the first plug-in part.

[0020] According to the above technical solution, the metal insert block is installed on the bottom surface of the first plug-in part, and the metal insert block is fixedly connected to the bottom surface of the first spiral spring. The metal insert block slides on the surface of the first plug-in part, and a nut is threadedly connected to the lower end of the first plug-in part. The nut can adjust the position of the metal insert block and determine the positions of clamping plates of different specifications.

[0021] Compared with the prior art, the beneficial effects achieved by the present invention are as follows: 1. In the present invention, by providing the clamping plate, the plug-in frame and the second spiral spring, the second spiral spring can push the clamping plate to move left and right on the inner wall surface of the lower tray, so that the four clamping plates can clamp and fix the storage battery. The clamping plate can clamp and fix clamping plates of different specifications, protect the safety of the clamping plate, and thereby increase the service time of the device.

[0022] 2. In the present invention, by providing a plug-in frame, a first helical spring, and a metal plug, the first helical spring starts to rebound, and the first helical spring can push the metal plug downward, so that the metal plug is inserted into the inside of the clamping plate, thereby being able to determine the position of the clamping plate, and being able to determine the position of the clamping plate.

[0023] 3. In the present invention, by providing a limit cover plate, a first metal shell, and a rebounding device, the locking device can threadedly connect the first metal shell and the limit cover plate, and can repair the rebounding device inside the first metal shell, making the position of the rebounding device more convenient and fast.

[0024] 4. In the present invention, by providing an exhaust fan, a filter frame, and a second metal shell, the filter frame is inserted into the inside of the second metal shell, and the filter frame can filter the extracted air, can maintain the cleanliness of the battery inside the lower tray, and can protect the safety of the battery.

[0025] 5. In the present invention, by providing an L-shaped connecting plate, a lower tray, a first metal shell, and a second metal shell, the L-shaped connecting plate can determine the position of the second metal shell, and threadedly fix the second metal shell, the first metal shell, and the lower tray, facilitating the disassembly and replacement of the second metal shell, making the replacement of the second metal shell fast and convenient.

[0026] 6. In the present invention, by providing a second metal shell, an exhaust fan, and a cooling plate, the exhaust fan and the cooling plate can cool the battery, can keep the battery at the optimal temperature, thereby being able to extend the service time of the battery, and thus being able to increase the service time of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The drawings are used to provide a further understanding of the present invention, and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention, and do not constitute a limitation to the present invention. In the drawings: Figure 1 is the overall three-dimensional schematic diagram of the present invention; Figure 2 is the Figure 1 partial enlarged schematic diagram of the structure at A in Figure 3 is the three-dimensional schematic diagram of the steel bracket, the protection device, and the cooling plate of the present invention; Figure 4 is the three-dimensional schematic diagram of the steel bracket, the battery, the protection device, and the limit frame of the present invention; Figure 5 is the three-dimensional schematic diagram of the steel bracket, the battery, and the protection device of the present invention; Figure 6 is the three-dimensional schematic diagram of the lower tray, the support frame, and the limit rod of the present invention; Figure 7It is a three-dimensional schematic diagram of the cooling device, the rebounding device and the second connecting piece of the present invention; Figure 8 It is of the present invention Figure 7 The partial enlarged schematic diagram of the structure at position B in Figure 9 It is a three-dimensional schematic diagram of the second metal shell, the L-shaped connecting plate and the first connecting piece of the present invention; Figure 10 It is a three-dimensional schematic diagram of the second metal shell, the filter frame and the spiral spring three of the present invention; Figure 11 It is a three-dimensional schematic diagram of the rebounding device of the present invention; Figure 12 It is a three-dimensional schematic diagram of the plug-in frame of the present invention; Figure 13 It is a three-dimensional schematic diagram of the steel support and the plug-in frame of the present invention.

[0028] In the figure: 1. Power storage device; 11. Steel support; 12. Storage battery; 13. Protection device; 131. Lower tray; 132. Support frame; 133. Clamping assembly; 1331. First metal shell; 1332. Locking device; 1333. Limit cover plate; 1334. Rebounding device; 21. Plug-in frame; 211. First plug-in part; 212. Connecting plate; 213. Second plug-in part; 22. First spiral spring; 23. Clamping plate; 231. Clamping plate body; 232. Metal insertion rod; 233. Sliding plate; 234. Moving roller; 24. Metal insertion block; 25. Second spiral spring; 1335. Sliding metal rod; 1336. Cooling device; 31. Second metal shell; 32. L-shaped connecting plate; 33. First connecting piece; 34. Exhaust fan; 35. Filter frame; 36. Third spiral spring; 134. Limit rod; 135. Second connecting piece; 14. Limit frame; 15. Cooling plate; 2. Metal base; 3. Protection cover plate. Detailed implementation manners

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0030] Please refer to Figure 1-13 , the present invention provides the following technical solutions: Embodiment 1: A new energy vehicle facilitating the protection of a battery tray, including a power storage device 1 and a protection cover plate 3. The bottom surface of the power storage device 1 is provided with a metal base 2, and the protection cover plate 3 is threadedly connected to the upper end of the power storage device 1.

[0031] The energy storage device 1 includes a steel bracket 11, a storage battery 12, a protection device 13, a limit frame 14 and a cooling plate 15. The steel bracket 11 is installed at the lower end of the protection device 13. The cooling plate 15 is installed on the inner bottom surface of the protection device 13. The storage battery 12 is installed on the top surface of the cooling plate 15. The limit frame 14 is threadedly connected to the upper end of the protection device 13.

[0032] The protection device 13 includes a lower tray 131, a support frame 132, a clamping assembly 133, a limit rod 134 and a second connecting piece 135. The support frame 132 is fixedly connected to the inner bottom surface of the lower tray 131. The limit rod 134 is fixedly connected to the inner bottom surface of the lower tray 131. The limit frame 14 is threadedly connected to the upper end of the limit rod 134. The cooling plate 15 is movably connected to the top surface of the support frame 132. The limit frame 14 slides on the surface of the limit rod 134, so that the position of the storage battery 12 can be determined, the storage battery 12 can be prevented from shaking, the storage battery 12 can be reinforced, and the safety of the storage battery 12 can be protected. The clamping assembly 133 is fixedly connected to the left and right ends of the lower tray 131. The steel bracket 11 is movably connected to the upper surface of the metal base 2. The steel bracket 11 is slidably connected to the lower surface of the lower tray 131. The metal base 2 is installed at the lower end of the lower tray 131. The metal base 2 and the steel bracket 11 can determine the position of the lower tray 131, so that the position of the lower tray 131 can be determined, and the safety of the steel bracket 11 can be protected. The second connecting piece 135 is threadedly connected to the outer end of the clamping assembly 133.

[0033] The clamping assembly 133 includes a first metal shell 1331, a locking device 1332, a limit cover plate 1333, a rebounding device 1334, a sliding metal rod 1335 and a temperature reduction device 1336. The temperature reduction device 1336 is threadedly connected to the top surface of the first metal shell 1331. The sliding metal rod 1335 is fixedly connected to the inner wall surface of the first metal shell 1331. The second spiral spring 25 is fixedly connected to the inner wall surface of the first metal shell 1331. The moving roller 234 is rotatably connected to the inner wall surface of the first metal shell 1331. The sliding plate 233 is slidably connected to the surface of the sliding metal rod 1335. Due to the rebounding of the second spiral spring 25, the second spiral spring 25 can push the sliding plate 233 to slide on the surface of the sliding metal rod 1335, making the sliding of the clamping plate body 231 smoother and faster. The rebounding device 1334 is slidably connected to the inner wall surface of the first metal shell 1331. The limit cover plate 1333 is threadedly connected to the outer side surface of the first metal shell 1331. The locking device 1332 is threadedly connected to the front and rear ends of the limit cover plate 1333.

[0034] The resilient device 1334 includes a plug-in frame 21, a first helical spring 22, a clamping plate 23, a metal insert block 24, and a second helical spring 25. The first helical spring 22 is installed at the outward end of the plug-in frame 21. The metal insert block 24 is installed at the lower end of the plug-in frame 21. The metal insert block 24 is slidably connected to the inward end of the clamping plate 23. The second helical spring 25 is fixedly connected to the outward end of the clamping plate 23.

[0035] The clamping plate 23 includes a clamping plate body 231, a metal insertion rod 232, a sliding plate 233, and a moving roller 234. The metal insertion rod 232 is fixedly connected to the outward side surface of the clamping plate body 231. The sliding plate 233 is slidably connected to the surface of the metal insertion rod 232. The moving roller 234 is installed at the outward end of the sliding plate 233.

[0036] As can be seen from the above, during use, the steel support 11 is pushed downward. The steel support 11 moves downward along the surface of the lower tray 131, so that the bottom surface of the steel support 11 is connected to the top surface of the metal base 2, thereby being able to determine the position of the steel support 11.

[0037] The clamping plate body 231 is pushed to move from outside to inside. The clamping plate body 231 can drive the metal insertion rod 232 to slide along the inner wall surface of the lower tray 131, so that the metal insertion rod 232 is inserted into the inside of the first metal shell 1331.

[0038] The metal insertion rod 232 is inserted into the inner wall surface of the sliding plate 233, and the position between the metal insertion rod 232 and the sliding plate 233 can be determined.

[0039] The limit cover plate 1333 is pushed to move from outside to inside, so that the limit cover plate 1333 is connected to the outer side surface of the first metal shell 1331. Then the locking device 1332 is pushed. The locking device 1332 can thread-fix the limit cover plate 1333 and the first metal shell 1331, thereby being able to determine the position of the sliding plate 233.

[0040] Hold the cooling plate 15 and move it downward, so that the bottom surface of the cooling plate 15 is connected to the top surface of the support frame 132, being able to determine the position of the cooling plate 15, and being able to perform a cooling operation on the battery 12 by means of the cooling plate 15.

[0041] Hold the battery 12 and move it downward. The bottom surface of the battery 12 is connected to the top surface of the cooling plate 15, thereby being able to determine the position of the battery 12.

[0042] When the storage battery 12 moves downward, the storage battery 12 can be movably connected to the inner wall surface of the clamping plate body 231. The clamping plate body 231 can drive the sliding plate 233 to slide through the metal insertion rod 232. The sliding plate 233 slides on the surface of the sliding metal rod 1335, and a second helical spring 25 can be compressed between the sliding plate 233 and the first metal housing 1331, so that the position of the clamping plate body 231 can be determined.

[0043] The clamping plate body 231 drives the sliding plate 233 to slide on the sliding metal rod 1335 on the inner wall surface of the first metal housing 1331. At the same time, the clamping plate body 231 can drive the moving roller 234 to roll on the inner wall surface of the first metal housing 1331, making the movement of the sliding plate 233 smoother and faster.

[0044] Push the plugging frame 21 downward. The plugging frame 21 can push the metal plug 24 downward through the first helical spring 22, so that the metal plug 24 is plugged into the outer end of the clamping plate body 231, and the position of the clamping plate body 231 can be determined.

[0045] Push the limiting frame 14 downward. The limiting frame 14 slides on the surface of the limiting rod 134, so that the bottom surface of the limiting frame 14 is connected to the top surface of the storage battery 12. Then rotate the nut, and the nut can thread-fix the limiting frame 14 and the lower tray 131, so that the position of the limiting frame 14 can be determined.

[0046] Push the protection cover plate 3 downward, so that the protection cover plate 3 is plugged into the upper end of the lower tray 131, and the protection cover plate 3 slides on the threaded rod surface of the limiting frame 14. Then rotate the nut, so that the position of the protection cover plate 3 can be determined.

[0047] Embodiment 2: On the basis of Embodiment 1, the plugging frame 21 includes a first plugging member 211, a connecting plate 212, and a second plugging member 213. The second plugging member 213 is fixedly connected to the upper end of the connecting plate 212. The protection cover plate 3 is threadedly connected to the upper end of the limiting frame 14. The protection cover plate 3 is movably connected to the upper end of the inner wall surface of the lower tray 131. The protection cover plate 3 is movably connected to the top surface of the connecting plate 212. The protection cover plate 3 is threadedly connected to the lower tray 131, so that the storage battery 12 can be protected, and the service time of the device can be increased. The first plugging member 211 is fixedly connected to the upper end of the connecting plate 212. The metal plug 24 is installed on the bottom surface of the first plugging member 211. The metal plug 24 is fixedly connected to the bottom surface of the first helical spring 22. The metal plug 24 slides on the surface of the first plugging member 211, and a nut is threadedly connected to the lower end of the first plugging member 211. The nut can adjust the position of the metal plug 24 and determine the positions of clamping plates 23 of different specifications.

[0048] As can be seen from the above, during use, when the connecting plate 212 is pushed downward, the connecting plate 212 can drive the first connector 211 and the second connector 213 downward, so that the connecting plate 212 is inserted into the upper end of the lower tray 131.

[0049] The connecting plate 212 can drive the first connector 211 and the second connector 213 downward, so that the position of the second connector 213 can be adjusted.

[0050] When the first connector 211 moves downward, the first connector 211 can drive the limiting rod 134 to be inserted into the inner end of the clamping plate body 231, so that the position of the clamping plate body 231 can be determined, and thus the position of the exhaust fan 34 can be determined.

[0051] When the connecting plate 212 moves downward, the connecting plate 212 slides on the surface of the second connecting member 135, and then the nut is rotated. The nut rotates on the threaded rod surface of the second connecting member 135, so that the position of the connecting plate 212 can be determined, and thus the position of the second connector 213 can be determined.

[0052] Embodiment 3: On the basis of Embodiment 2, the cooling device 1336 includes a second metal shell 31, an L-shaped connecting plate 32, a first connecting member 33, an exhaust fan 34, a filter frame 35 and a third spiral spring 36. The L-shaped connecting plate 32 is threadedly connected to the outer surface of the second metal shell 31. The connecting plate 212 is slidably connected to the upper surface of the lower tray 131. The second connector 213 is slidably connected to the outer end of the second metal shell 31. The exhaust fan 34 is connected to the outer end of the second connector 213, so that the position of the second metal shell 31 can be determined. The exhaust fan 34 is installed on the inner wall surface of the second metal shell 31. The first connecting member 33 is fixedly connected to the outer surface of the second metal shell 31. The filter frame 35 is threadedly connected to the inner wall surface of the second metal shell 31. The third spiral spring 36 is fixedly connected to the front and rear ends of the second metal shell 31.

[0053] As can be seen from the above, during use, when the second metal shell 31 is pushed into the upper end of the lower tray 131, the second metal shell 31 can drive the L-shaped connecting plate 32 to slide, and the L-shaped connecting plate 32 is threadedly connected to the top surface of the first metal shell 1331, so that the positions of the second metal shell 31 and the first metal shell 1331 can be determined.

[0054] When the second metal shell 31 is inserted into the first metal shell 1331, the second metal shell 31 can drive the exhaust fan 34 to move from the outside to the inside, and the position of the exhaust fan 34 can be determined.

[0055] Hold the filter frame 35 and move it from the inside to the outside, so that the filter frame 35 can drive the third helical spring 36 to move, enabling the third helical spring 36 to be inserted into the interior of the second metal housing 31, such that the third helical spring 36 can be compressed between the filter frame 35 and the second metal housing 31. Then rotate the nut, which can thread-fix the filter frame 35 and the second metal housing 31 together.

[0056] Start the exhaust fan 34. The exhaust fan 34 can perform an exhaust operation on the interior of the lower tray 131, and can cool the battery 12, thereby extending the service life of the battery 12 and protecting the safety of the battery 12. At the same time, the filter frame 35 can filter the dust inside the lower tray 131, thus protecting the safety of the devices inside the lower tray 131.

[0057] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device.

[0058] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent substitution on some of the technical features. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A new energy vehicle that is convenient for protecting a battery tray, comprising a power storage device (1) and a protective cover plate (3), characterized in that: A metal base (2) is installed on the bottom surface of the power storage device (1), and a protective cover plate (3) is threadedly connected to the upper end of the power storage device (1); The power storage device (1) comprises a steel support (11), a storage battery (12), a protection device (13), a limit frame (14) and a cooling plate (15), wherein the steel support (11) is mounted on the lower end of the protection device (13), the cooling plate (15) is mounted on the inner bottom surface of the protection device (13), the storage battery (12) is mounted on the top surface of the cooling plate (15), and the limit frame (14) is threadedly connected to the upper end of the protection device (13); The protection device (13) comprises a lower tray (131), a support frame (132), a clamping assembly (133), a limiting rod (134) and a second connecting member (135), wherein the support frame (132) is fixedly connected to the inner bottom surface of the lower tray (131), the limiting rod (134) is fixedly connected to the inner bottom surface of the lower tray (131), the clamping assembly (133) is fixedly connected to the left and right ends of the lower tray (131), and the second connecting member (135) is threadedly connected to an outward end of the clamping assembly (133); The clamping assembly (133) comprises a metal shell (1331), a locking device (1332), a limiting cover plate (1333), a rebound device (1334), a sliding metal rod (1335) and a cooling device (1336); the cooling device (1336) is threadedly connected to the top surface of the metal shell (1331); the sliding metal rod (1335) is fixedly connected to the inner wall surface of the metal shell (1331); the rebound device (1334) is slidably connected to the inner wall surface of the metal shell (1331); the limiting cover plate (1333) is threadedly connected to the outward side surface of the metal shell (1331); and the locking device (1332) is threadedly connected to the front and rear ends of the limiting cover plate (1333); The rebound device (1334) comprises a plug-in frame (21), a coil spring 1 (22), a clamping plate (23), a metal plug block (24) and a coil spring 2 (25), wherein the coil spring 1 (22) is mounted on an outward end of the plug-in frame (21), the metal plug block (24) is mounted on a lower end of the plug-in frame (21), the metal plug block (24) is slidably connected to an inward end of the clamping plate (23), and the coil spring 2 (25) is fixedly connected to an outward end of the clamping plate (23); The clamping plate (23) comprises a clamping plate body (231), a metal insert rod (232), a sliding plate (233) and a moving roller (234); the metal insert rod (232) is fixedly connected to an outward side surface of the clamping plate body (231); the sliding plate (233) is slidably connected to the surface of the metal insert rod (232); and the moving roller (234) is installed at an outward end of the sliding plate (233).

2. A new energy vehicle that is convenient for protecting a battery tray according to claim 1, characterized in that: The plug-in frame (21) comprises a first plug-in connector (211), a connecting plate (212) and a second plug-in connector (213), wherein the second plug-in connector (213) is fixedly connected to an upward end of the connecting plate (212), and the first plug-in connector (211) is fixedly connected to an upward end of the connecting plate (212).

3. A new energy vehicle that is convenient for protecting a battery tray according to claim 2, characterized in that: The cooling device (1336) comprises a second metal shell (31), an L-shaped connecting plate (32), a first connecting piece (33), an exhaust fan (34), a filter frame (35) and a third coil spring (36), wherein the L-shaped connecting plate (32) is threadedly connected to the outward side surface of the second metal shell (31), the exhaust fan (34) is installed on the inner wall surface of the second metal shell (31), the first connecting piece (33) is fixedly connected to the outward side surface of the second metal shell (31), the filter frame (35) is threadedly connected to the inner wall surface of the second metal shell (31), and the third coil spring (36) is fixedly connected to the front and rear ends of the second metal shell (31).

4. A new energy vehicle that is convenient for protecting a battery tray according to claim 3, characterized in that: The steel bracket (11) is movably connected to the upper end surface of the metal base (2), the steel bracket (11) is slidably connected to the lower end surface of the lower tray (131), and the metal base (2) is installed at the lower end of the lower tray (131).

5. A new energy vehicle for easily protecting a battery tray according to claim 4, characterized in that: The protective cover plate (3) is threadedly connected to the upper end of the limiting frame (14), the protective cover plate (3) is movably connected to the upper end of the inner wall surface of the lower tray (131), and the protective cover plate (3) is movably connected to the top end surface of the connecting plate (212).

6. A new energy vehicle for easily protecting a battery tray according to claim 5, characterized in that: The limiting frame (14) is threadedly connected to the upper end of the limiting rod (134), and the cooling plate (15) is movably connected to the top surface of the support frame (132).

7. A new energy vehicle for easily protecting a battery tray according to claim 6, characterized in that: The connecting plate (212) is slidably connected to the upper end surface of the lower tray (131), the second connector (213) is slidably connected to the outward end of the second metal shell (31), and the exhaust fan (34) is connected to the outward end of the second connector (213).

8. A new energy vehicle for easily protecting a battery tray according to claim 7, characterized in that: The coil spring 2 (25) is fixedly connected to the inner wall surface of the metal shell 1 (1331), the moving roller (234) is rollingly connected to the inner wall surface of the metal shell 1 (1331), and the sliding plate (233) is slidingly connected to the surface of the sliding metal rod (1335).

9. A new energy vehicle for easily protecting a battery tray according to claim 8, characterized in that: The second connecting member (135) is plugged into the inner wall surface of the steel support (11), and the second connecting member (135) is movably connected to the lower end of the connecting plate (212).

10. A new energy vehicle for easily protecting a battery tray according to claim 9, characterized in that: The metal plug block (24) is mounted on the bottom surface of the first plug connector (211), and the metal plug block (24) is fixedly connected to the bottom surface of the first coil spring (22).

Images