A shock-absorbing and heat-insulating protection device for lithium battery

Abstract

The present application relates to a kind of protection devices, especially a kind of lithium battery shock absorption heat insulation protection device.The technical problem of the present application is: provide a kind of lithium battery shock absorption heat insulation protection device that can be efficiently radiated, can automatically shock absorption and has the clamping and fixing function of lithium battery and protection device.A kind of lithium battery shock absorption heat insulation protection device, including installation plate, first clamping plate, second clamping plate, first sliding sleeve, third clamping plate and the like;The first baffle is symmetrically connected on the left and right sides of shell upper and lower, the first baffle is symmetrically connected on the left and right sides of shell upper and lower, the first baffle is symmetrically connected on the left and right sides of shell upper and lower, the first baffle is symmetrically connected on the left and right sides of shell upper and lower, the first baffle is symmetrically connected on the left and right sides of shell upper and lower, the first baffle is symmetrically connected on the left and right sides of shell upper and lower, the first baffle is symmetrically connected on the left and right sides of shell upper and lower, the first baffle is symmetrically connected on the left and right sides of shell upper and lower, the first baffle is symmetrically connected on the left and right sides of shell upper and lower, the first baffle is symmetrically connected on the left and right sides of shell upper and lower, the first baffle is symmetrically connected on the left and right sides of shell upper and lower, the first baffle is symmetrically connected on the left and right sides of shell upper and lower, the first baffle is symmetrically connected on the left and right sides of shell upper and lower, the first baffle is symmetrically connected on the left and right sides of shell upper and lower, the first baffle is symmetrically connected on the left and right sides of shell upper and lower, the first baffle is symmetrically connected on the left and right sides of shell upper and lower, the first baffle is symmetrically connected on the left and right sides of shell upper

Description

TECHNICAL FIELD

[0001] The present application relates to a protection device, in particular to a lithium battery shock absorption and heat insulation protection device. BACKGROUND

[0002] With the development of new energy vehicles, the demand for lithium batteries of new energy vehicles is also increasing. New energy vehicles inevitably shake the lithium batteries during driving, and the lithium batteries are easy to overheat during driving. In order to prevent the lithium batteries from being damaged during driving, it is necessary to protect the lithium batteries from shock and heat insulation.

[0003] Column application CN202022120614.7, published on April 6, 2021, discloses a lithium battery protection device for electric vehicles, which comprises a lithium battery protection device, the lithium battery protection device internally comprises an insulating limiting strip, a foam plate, a stress plate and a shockproof device, the stress plate is provided with a pulley, the shockproof device comprises a connecting block, a connecting rod and a hinged wheel, the lithium battery protection device top is provided with a pull rod, the pull rod comprises a fixed plate and a column rod, the back of the lithium battery protection device is provided with a ventilation convection device and a fixing screw. The lithium battery protection device for electric vehicles is provided with a foam plate in the interlayer of the lithium battery protection device, so that the inside is in a dry state, preventing the lithium battery from being damp, the internal ventilation convection device can be used to dissipate heat inside the lithium battery protection device, and the insulating limiting strip can isolate and insulate the lithium batteries, so that the lithium batteries are insulated. The above-mentioned patent can prevent the battery from being shocked by the foam plate and has a certain moisture-proof function, but it cannot efficiently insulate the lithium battery, and cannot tightly clamp the lithium battery and the shell together, which is prone to disintegration in shaking. When encountering vibration, it cannot actively resist shock, the shock absorption effect is not good, and the shell cannot be protected.

[0004] Therefore, it is necessary to design a lithium battery shock absorption and heat insulation protection device capable of automatic shock absorption. SUMMARY

[0005] In order to overcome the shortcoming that the protection device in the prior art cannot actively absorb shock, the technical problem of the present application is to provide a lithium battery shock absorption and heat insulation protection device capable of automatic shock absorption.

[0006] The utility model provides a lithium battery shock absorption heat insulation protection device, including mounting plate, first clamping plate, second clamping plate, first sliding sleeve, third clamping plate, shell, first backing plate, heat insulation mechanism and shock absorption mechanism, the both sides of shell are symmetrical slidingly connected with first backing plate, the upper side first backing plate upper part is connected with first clamping plate, the upper side first clamping plate is connected with mounting plate, the lower side first clamping plate is connected with second clamping plate, the lower side second clamping plate of left side is connected with third clamping plate, the lower side second clamping plate of right side is also connected with third clamping plate, the upper side third clamping plate is connected with the lower side first backing plate, the lower part right side of left first clamping plate is connected with first sliding sleeve, the lower part left side of right first clamping plate is also connected with first sliding sleeve, the right side of left third clamping plate is connected with first sliding sleeve, the left side of right third clamping plate is also connected with first sliding sleeve, the upper side of shell and the upper side first backing plate are equipped with heat insulation mechanism, and the shell and second clamping plate are slidingly equipped with shock absorption mechanism.

[0007] Further illustrate, heat insulation mechanism includes guide rod, pressure rod, heat insulation plate and first tension spring, the both sides of shell upper portion are connected with guide rod, and the guide rod is slidingly connected with pressure rod, and the first tension spring is connected between pressure rod and shell, and the first tension spring is around guide rod, and heat insulation plate is connected between pressure rod, and heat insulation plate is located the upper side of first backing plate.

[0008] Further illustrate, shock absorption mechanism includes guide plate, first guide frame, shock absorption block and second tension spring, the upper left side of second clamping plate is connected with guide plate, and the left side of left guide plate is slidingly connected with first guide frame, and the upper right side of right second clamping plate is also connected with guide plate, and the right side of right guide plate is also slidingly connected with first guide frame, and the second tension spring is connected between first guide frame and adjacent guide plate, and the rear side of first guide frame is connected with shock absorption block, and the front side of rear first guide frame is also connected with shock absorption block, and shock absorption block is located between first guide frame and shell.

[0009] Further illustrate, still including a buffer mechanism, buffer mechanism includes the second sliding sleeve, slide rod, push block, second guide frame, pull plate, third tension spring, buffer block and fourth tension spring, the lower side of the first clamping plate is connected with second sliding sleeve, the second sliding sleeve is slidably connected with slide rod, the left side of two slide rods is connected with pull plate, the right side of two slide rods is also connected with pull plate, the third tension spring is connected between pull plate and second sliding sleeve, the third tension spring is wound on slide rod, the right side of the left slide rod is connected with push block, the left side of the right slide rod is also connected with push block, push block is used to push buffer block to move inward, the lower side of pull plate is connected with first guide frame, the lower right of the left side of first clamping plate is connected with two second guide frames, the lower left of the right side of first clamping plate is also connected with two second guide frames, the rear side of the two second guide frames is slidably connected with buffer block, the front side of the two second guide frames is also slidably connected with buffer block, the fourth tension spring is connected between buffer block and second guide frame.

[0010] Further illustrate, still including a fixing mechanism, fixing mechanism includes third sliding sleeve, fixed rod and compression spring, the right side of the second clamping plate is connected with third sliding sleeve, the first sliding sleeve of the lower right of the left side of first clamping plate and the third sliding sleeve of the upper right of the left side of second clamping plate are slidably connected with fixed rod, the first sliding sleeve of the right side of third clamping plate and the third sliding sleeve of the lower right of the left side of second clamping plate are also slidably connected with fixed rod, similarly, the first sliding sleeve of the lower left of the right side of first clamping plate and the third sliding sleeve of the upper left of the right side of second clamping plate are slidably connected with fixed rod, the first sliding sleeve of the left side of third clamping plate and the third sliding sleeve of the lower left of the right side of second clamping plate are also slidably connected with fixed rod, the compression spring is connected between fixed rod and third sliding sleeve, the compression spring is wound on fixed rod.

[0011] Further illustrate, still including a limiting mechanism, limiting mechanism includes limiting frame, connecting plate, second pad plate, guide sleeve, clamping block, push rod and fifth tension spring, the lower side of the first clamping plate is connected with limiting frame, the lower side of the middle of limiting frame is connected with connecting plate, the second pad plate is connected between limiting frame and connecting plate, the left and right sides of connecting plate are connected with guide sleeve, the push rod is slidably connected with guide sleeve, the push block moves to the left and contacts with push rod, the fifth tension spring is connected between guide sleeve and push rod, the fifth tension spring is wound on push rod, the right side of the right side of push rod is connected with clamping block, the left side of the left side of push rod is also connected with clamping block, clamping block is used to push fixed rod to move to the upper and lower sides.

[0012] Further, the protection mechanism includes the mounting rod, screw rod and protection plate, the mounting rod is symmetrically connected to the left side of the third clamping plate, the screw rod is connected to the right side of the mounting rod through the thread, the mounting rod is symmetrically connected to the left side of the third clamping plate on the right side, and the screw rod is connected to the left side of the mounting rod through the thread, and the protection plate is connected between the screw rods.

[0013] The present application has the following advantages: 1. When the shell moves with the lithium battery, the first guide frame can move with the shell and move in a direction, and the slide rod and the push block are moved by the pull plate, so that the push block moves inward to clamp the shell, thereby achieving the buffering effect.

[0014] 2. The clamping block extrudes the fixed rod to clamp and fix the first clamping plate, the second clamping plate and the third clamping plate.

[0015] 3. The third clamping plate is clamped and fixed by the screw rod on the lower side of the third clamping plate, so that the protection plate has the protection function for the shell. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the present application.

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the present application.

[0018] Figure 3 It is a first schematic diagram of the three-dimensional structure of the heat insulation mechanism of the present application.

[0019] Figure 4 It is a second schematic diagram of the three-dimensional structure of the heat insulation mechanism of the present application.

[0020] Figure 5 It is a first schematic diagram of the three-dimensional structure of the shock absorption mechanism of the present application.

[0021] Figure 6 It is a first schematic diagram of the three-dimensional structure of the buffer mechanism of the present application.

[0022] Figure 7 It is a second schematic diagram of the three-dimensional structure of the buffer mechanism of the present application.

[0023] Figure 8 It is a schematic diagram of the three-dimensional structure of the fixing mechanism of the present application.

[0024] Figure 9 It is a first schematic diagram of the three-dimensional structure of the limiting mechanism of the present application.

[0025] Figure 10 It is a second schematic diagram of the three-dimensional structure of the limiting mechanism of the present application.

[0026] Figure 11A perspective view of the protection mechanism of the present application.

[0027] Figure 12 A second perspective view of the damping mechanism of the present application.

[0028] Reference signs in the drawings: 1: mounting plate, 2: first clamping plate, 3: second clamping plate, 4: first sliding sleeve, 5: third clamping plate, 6: housing, 7: first pad plate, 11: heat insulation mechanism, 111: guide rod, 112: pressing rod, 113: heat insulation plate, 114: first tension spring, 12: damping mechanism, 121: guide plate, 122: first guide frame, 124: damping block, 125: second tension spring, 13: buffer mechanism, 131: second sliding sleeve, 132: sliding rod, 133: push block, 134: second guide frame, 135: pull plate, 136: third tension spring, 137: buffer block, 138: fourth tension spring, 14: fixing mechanism, 141: third sliding sleeve, 142: fixing rod, 143: compression spring, 15: limiting mechanism, 151: limiting frame, 152: connecting plate, 153: second pad plate, 154: guide sleeve, 155: clamping block, 156: push rod, 157: fifth tension spring, 16: protection mechanism, 161: mounting rod, 162: screw rod, 163: protection plate. DETAILED DESCRIPTION

[0029] The present application will be further described below in conjunction with specific embodiments. The illustrative embodiments of the present application and the description used to explain the present application are not intended to be limiting of the present application. EMBODIMENTS

[0030] A lithium battery damping and heat insulation protection device, as shown in Figure 1 , Figure 2 and Figure 3As shown, including the mounting plate 1, the first clamping plate 2, the second clamping plate 3, the first sliding sleeve 4, the third clamping plate 5, the shell 6, the first pad plate 7, the heat insulation mechanism 11 and the damping mechanism 12, the shell 6 is symmetrically connected with the first pad plate 7 on both sides, the upper side of the first pad plate 7 is connected with the first clamping plate 2, the upper side of the first clamping plate 2 is symmetrically connected with the mounting plate 1, the lower side of the first clamping plate 2 is symmetrically connected with the second clamping plate 3, the lower side of the second clamping plate 3 is symmetrically connected with the third clamping plate 5, the upper side of the third clamping plate 5 is connected with the first pad plate 7, the lower right side of the first clamping plate 2 is connected with the first sliding sleeve 4, the lower left side of the first clamping plate 2 is also connected with the first sliding sleeve 4, the right side of the third clamping plate 5 is connected with the first sliding sleeve 4, the left side of the third clamping plate 5 is also connected with the first sliding sleeve 4, the upper side of the shell 6 is connected with the first pad plate 7, and the heat insulation mechanism 11 is arranged between the shell 6 and the second clamping plate 3.

[0031] As shown in Figure 3 and Figure 4 The heat insulation mechanism 11 includes a guide rod 111, a pressing rod 112, a heat insulation plate 113 and a first tension spring 114, the upper left and right sides of the shell 6 are symmetrically connected with the guide rod 111, the guide rod 111 is symmetrically connected with the pressing rod 112, the first tension spring 114 is connected between the pressing rod 112 and the shell 6, the first tension spring 114 is wound on the guide rod 111, the heat insulation plate 113 is connected between the pressing rod 112, and the heat insulation plate 113 is located on the upper side of the first pad plate 7.

[0032] As shown in Figure 5 and Figure 12 The damping mechanism 12 includes a guide plate 121, a first guide frame 122, a damping block 124 and a second tension spring 125, the upper left side of the second clamping plate 3 is connected with the guide plate 121, the left side of the guide plate 121 is connected with the first guide frame 122, the upper right side of the second clamping plate 3 is also connected with the guide plate 121, the right side of the guide plate 121 is also connected with the first guide frame 122, the second tension spring 125 is connected between the first guide frame 122 and the adjacent guide plate 121, the rear side of the first guide frame 122 is connected with the damping block 124, the front side of the first guide frame 122 is also connected with the damping block 124, and the damping block 124 is located between the first guide frame 122 and the shell 6.

[0033] In the initial state, the lithium battery is located inside the shell 6, when the lithium battery is in the working state, the heat generated by the lithium battery will be dissipated from the upper part of the shell 6, the hand pulls the pressing rod 112 to move upwards, which can drive the heat insulation plate 113 to move upwards, the pressing rod 112 drives the heat insulation plate 113 to move upwards, the first extension spring 114 is stretched, so that the heat insulation plate 113 is away from the upper part of the shell 6, the air accelerates the heat dissipation of the heat insulation plate 113, the temperature of the heat insulation plate 113 is reduced, so that the heat insulation effect is achieved, when people do not need to insulate the lithium battery, the hand releases the pressing rod 112, under the action of the first extension spring 114, the pressing rod 112 moves downwards, the pressing rod 112 drives the heat insulation plate 113 to move downwards and reset, when the shell 6 moves left due to shaking, the shell 6 drives the lithium battery to move left, when the shell 6 moves left and contacts the left damping block 124, the shell 6 drives the left damping block 124 to move left, the damping block 124 drives the left first guide frame 122 to move left, the left second extension spring 125 is stretched, when the shaking stops, the left first guide frame 122 is driven to move right under the action of the left second extension spring 125, the left first guide frame 122 drives the left damping block 124 to move right, the left damping block 124 drives the shell 6 and the lithium battery to move right and reset, similarly, when the shell 6 moves right due to shaking, the shell 6 drives the lithium battery to move right, when the shell 6 moves right and contacts the right damping block 124, the shell 6 drives the right damping block 124 to move right, the damping block 124 drives the right first guide frame 122 to move right, the right second extension spring 125 is stretched, when the shaking stops, the right first guide frame 122 is driven to move left under the action of the right second extension spring 125, the right first guide frame 122 drives the right damping block 124 to move left, the right damping block 124 drives the shell 6 and the lithium battery to move left and reset, so as to play a damping effect on the shell 6 and the lithium battery. Embodiment

[0034] Based on Embodiment 1, as Figure 6 and Figure 7As shown, it also includes a buffering mechanism 13, which includes a second sliding sleeve 131, a slide rod 132, a push block 133, a second guide bracket 134, a pull plate 135, a third tension spring 136, a buffering block 137 and a fourth tension spring 138, the lower side of each of the first clamping plates 2 is connected with the second sliding sleeve 131 symmetrically from front to back, each of the second sliding sleeves 131 is slidably connected with the slide rod 132, each of the left two slide rods 132 is connected with the pull plate 135 on the left side, each of the right two slide rods 132 is also connected with the pull plate 135 on the right side, each of the third tension springs 136 is connected between the pull plate 135 and the second sliding sleeve 131, each of the third tension springs 136 is wound on the slide rod 132, each of the left slide rods 132 is connected with the push block 133 on the right side, each of the right slide rods 132 is also connected with the push block 133 on the left side, the push block 133 is used to push the buffering block 137 to move inward, the lower side of each of the pull plates 135 is connected with the first guide bracket 122, the lower right side of each of the left first clamping plates 2 is connected with two second guide brackets 134, the lower left side of each of the right first clamping plates 2 is also connected with two second guide brackets 134, the rear side of each of the front two second guide brackets 134 is slidably connected with the buffering block 137, the front side of each of the rear two second guide brackets 134 is also slidably connected with the buffering block 137, each of the fourth tension springs 138 is connected between the buffering block 137 and the second guide bracket 134.

[0035] When the shell 6 drives the left damping block 124 to move left, the left damping block 124 drives the left first guide frame 122 to move left, the left first guide frame 122 drives the left pull plate 135 to move left, the left pull plate 135 drives the left slide rod 132 to move left, the left third tensile spring 136 is stretched, the left slide rod 132 drives the left push block 133 to move left, the left push block 133 moves left to drive the left buffer block 137 to move inward, the left fourth tensile spring 138 is stretched, the buffer block 137 can clamp the shell 6, and the buffer effect is achieved. When buffering is not needed, the left slide rod 132 is driven to move right under the action of the left third tensile spring 136, the left slide rod 132 drives the left push block 133 to move right to reset, when the left push block 133 moves right, the buffer block 137 is driven to move outward to reset under the action of the left fourth tensile spring 138. Similarly, when the shell 6 drives the right damping block 124 to move right, the right damping block 124 drives the right first guide frame 122 to move right, the right first guide frame 122 drives the right slide rod 132 to move right, the right third tensile spring 136 is stretched, the right slide rod 132 drives the right push block 133 to move right, the right push block 133 moves right to drive the right buffer block 137 to move inward, the right fourth tensile spring 138 is stretched, and the buffer block 137 can clamp the shell 6, and the buffer effect is achieved. When buffering is not needed, the right slide rod 132 is driven to move left under the action of the right third tensile spring 136, the right slide rod 132 drives the right push block 133 to move left to reset, when the right push block 133 moves left, the buffer block 137 is driven to move outward to reset under the action of the right fourth tensile spring 138.

[0036] As Figure 8As shown, it also includes a fixing mechanism 14, which includes a third sliding sleeve 141, a fixing rod 142 and a compression spring 143. The left second clamping plates 3 are symmetrically connected with the third sliding sleeves 141 on the upper and lower sides, and the right second clamping plates 3 are also symmetrically connected with the third sliding sleeves 141 on the upper and lower sides. The fixing rods 142 are symmetrically and slidingly connected between the left third clamping plates 5, the right first sliding sleeves 4 and the third sliding sleeves 141 on the upper and lower sides of the left second clamping plates 3. The fixing rods 142 are symmetrically and slidingly connected between the right third clamping plates 5, the left first sliding sleeves 4 and the third sliding sleeves 141 on the upper and lower sides of the right second clamping plates 3. Similarly, the fixing rods 142 are symmetrically and slidingly connected between the right first clamping plates 2, the left first sliding sleeves 4 and the third sliding sleeves 141 on the upper and lower sides of the right second clamping plates 3. The fixing rods 142 are symmetrically and slidingly connected between the left third clamping plates 5, the right first sliding sleeves 4 and the third sliding sleeves 141 on the upper and lower sides of the right second clamping plates 3. The compression springs 143 are connected between the fixing rods 142 and the third sliding sleeves 141, and are wound around the fixing rods 142.

[0037] As shown in Figure 10 It also includes a limiting mechanism 15, which includes a limiting frame 151, a connecting plate 152, a second pad plate 153, a guide sleeve 154, a clamping block 155, a push rod 156 and a fifth tension spring 157. The limiting frames 151 are symmetrically connected between the lower sides of the first clamping plates 2. The connecting plates 152 are connected to the lower sides of the limiting frames 151. The second pad plates 153 are connected between the limiting frames 151 and the connecting plates 152. The guide sleeves 154 are connected to the left and right sides of the connecting plates 152. The push rods 156 are slidingly connected to the guide sleeves 154. The fifth tension springs 157 are connected between the guide sleeves 154 and the push rods 156, and are wound around the push rods 156. The clamping blocks 155 are connected to the right sides of the push rods 156 on the right side. The clamping blocks 155 are also connected to the left sides of the push rods 156 on the left side. The clamping blocks 155 are used to push the fixing rods 142 to move up and down.

[0038] When the left push block 133 moves to the left and contacts the push rod 156, the push block 133 pushes the push rod 156 to move to the left, the fifth tensile spring 157 is stretched, the push rod 156 pushes the clamping block 155 to move to the left, the clamping block 155 extrudes the fixed rod 142 to move outward, the compression spring 143 is compressed, thereby clamping and fixing the second clamping plate 3 with the first clamping plate 2 and the third clamping plate 5, when the left push block 133 moves to the right and resets, under the action of the fifth tensile spring 157, the push rod 156 is driven to move to the right, the push rod 156 drives the clamping block 155 to move to the right and reset, the clamping block 155 is out of contact with the fixed rod 142, under the action of the compression spring 143, the upper fixed rod 142 is pushed to move downward and reset, the lower fixed rod 142 is pushed to move upward and reset, similarly, when the right push block 133 moves to the right and contacts the push rod 156, the push block 133 pushes the push rod 156 to move to the right, the fifth tensile spring 157 is stretched, the push rod 156 pushes the clamping block 155 to move to the right, when the right push block 133 moves to the left and resets, under the action of the fifth tensile spring 157, the push rod 156 is driven to move to the left, the push rod 156 drives the clamping block 155 to move to the left and reset.

[0039] As shown in Figure 11 Preventive mechanism 16 is further included, preventive mechanism 16 includes installation rod 161, screw rod 162 and protective plate 163, the left third clamping plate 5 is connected with installation rod 161 right and left and front and back symmetry, installation rod 161 is connected with screw rod 162 right through the thread, the right third clamping plate 5 is also connected with installation rod 161 left and front and back symmetry, installation rod 161 is connected with screw rod 162 left through the thread, and screw rod 162 is connected with protective plate 163.

[0040] When the shell 6 needs to be protected, the screw rod 162 is rotated, the screw rod 162 clamps and fixes the protective plate 163 under the shell 6, thereby playing a role in protecting the shell 6.

[0041] The skilled in the art should understand that the above embodiments do not limit the present application in any form, and any technical solutions obtained by equivalent replacement or equivalent transformation fall within the protection scope of the present application.

Claims

1. A lithium battery shock absorption and heat insulation protection device, characterized in that: The utility model provides a kind of heat insulation and shock absorption mechanism for shell, including mounting plate, first clamping plate, second clamping plate, first sliding sleeve, third clamping plate, shell, first backing plate, heat insulation mechanism and shock absorption mechanism, and the first backing plate is symmetrically slidably connected on the left and right sides of shell, the first clamping plate is connected on the upper side of first backing plate, the mounting plate is symmetrically connected on the upper side of first clamping plate, the second clamping plate is symmetrically connected on the lower side of first clamping plate, the third clamping plate is connected between the lower side of second clamping plate on the left side, the third clamping plate is also connected between the lower side of second clamping plate on the right side, the first backing plate is connected on the upper side of third clamping plate, the first sliding sleeve is symmetrically connected on the lower right side of first clamping plate, the first sliding sleeve is also symmetrically connected on the lower left side of first clamping plate, the first sliding sleeve is symmetrically connected on the right side of third clamping plate on the left side, the first sliding sleeve is also symmetrically connected on the left side of third clamping plate on the right side, heat insulation mechanism is arranged between the upper side of shell and the first backing plate, and shock absorption mechanism is slidably arranged between shell and second clamping plate. The shock absorption mechanism includes guide plate, first guide frame, shock absorption block and second tension spring. Further including buffer mechanism, buffer mechanism includes second sliding sleeve, slide rod, push block, second guide frame, pull plate, third tension spring, buffer block and fourth tension spring. Further including fixing mechanism, fixing mechanism includes third sliding sleeve, fixing rod and compression spring, the third sliding sleeve is symmetrically connected on the right side of second clamping plate on the left side, the third sliding sleeve is also symmetrically connected on the left side of second clamping plate on the right side, the fixing rod is slidably connected between the first sliding sleeve on the lower right side of first clamping plate and the third sliding sleeve on the upper right side of second clamping plate on the left side, the fixing rod is also slidably connected between the first sliding sleeve on the right side of third clamping plate on the left side and the third sliding sleeve on the lower right side of second clamping plate on the left side, and the fixing rod is slidably connected between the first sliding sleeve on the lower left side of first clamping plate and the third sliding sleeve on the upper left side of second clamping plate on the right side, the fixing rod is also slidably connected between the first sliding sleeve on the left side of third clamping plate on the right side and the third sliding sleeve on the lower left side of second clamping plate on the right side, the compression spring is connected between the fixing rod and the third sliding sleeve, and the compression spring is wound on the fixing rod. Further including limiting mechanism, limiting mechanism includes limiting frame, connecting plate, second backing plate, guide sleeve, clamping block, push rod and fifth tension spring, the limiting frame is symmetrically connected between the lower side of first clamping plate, the connecting plate is connected on the lower side of limiting frame, the second backing plate is connected between the limiting frame and the connecting plate, the guide sleeve is connected on the left and right sides of connecting plate, the push rod is slidably connected on the guide sleeve, the push block is contacted with the push rod when moving left, the fifth tension spring is connected between the guide sleeve and the push rod, the fifth tension spring is wound on the push rod, the clamping block is connected on the right side of push rod on the right side, the clamping block is also connected on the left side of push rod on the left side, and the clamping block is used to push the fixing rod to move up and down.

2. The shock-absorbing and heat-insulating protection device for lithium batteries according to claim 1, characterized in that: The heat insulation mechanism comprises guide rods, pressing rods, heat insulation plates and first extension springs, the upper left and right sides of the shell are symmetrically connected with guide rods in front and back, the pressing rods are slidably connected with the guide rods, the first extension springs are connected between the pressing rods and the shell, the first extension springs are wound around the guide rods, the heat insulation plates are arranged between the pressing rods and are located on the upper side of the first pad.

3. The shock-absorbing and heat-insulating protection device for lithium batteries according to claim 2, characterized in that: The upper left side of the second clamping plate on the left side is connected with guide plates, the left side of the guide plates on the left side is slidably connected with first guide frames, the upper right side of the second clamping plate on the right side is also connected with guide plates, the right side of the guide plates on the right side is also slidably connected with first guide frames, the second extension springs are connected between the first guide frames and the guide plates, the rear side of the first guide frames on the front side is connected with damping blocks, the front side of the first guide frames on the rear side is also connected with the damping blocks, and the damping blocks are located between the first guide frames and the shell.

4. The shock-absorbing and heat-insulating protection device for lithium batteries according to claim 3, characterized in that: The lower side of the first clamping plate is symmetrically connected with second sliding sleeves in front and back, the sliding sleeves are slidably connected with slide rods, the left side of the slide rods on the left side is connected with pull plates, the right side of the slide rods on the right side is also connected with pull plates, the third extension springs are connected between the pull plates and the second sliding sleeves, the third extension springs are wound around the slide rods, the right side of the slide rods on the left side is connected with push blocks, the left side of the slide rods on the right side is also connected with push blocks, the push blocks are used for pushing the buffer blocks to move inward, the lower side of the pull plates is connected with the first guide frames, the lower right side of the first clamping plate on the left side is connected with two second guide frames, the lower left side of the first clamping plate on the right side is also connected with two second guide frames, the rear side of the two second guide frames on the front side is slidably connected with buffer blocks, the front side of the two second guide frames on the rear side is also slidably connected with buffer blocks, and the fourth extension springs are connected between the buffer blocks and the second guide frames.

5. The shock-absorbing and heat-insulating protection device for lithium batteries according to claim 4, characterized in that: The protection mechanism comprises mounting rods, screws and protection plates, the right side of the third clamping plate on the left side is symmetrically connected with mounting rods in front and back, the screws are threadedly connected with the right side of the mounting rods, the left side of the third clamping plate on the right side is also symmetrically connected with mounting rods in front and back, the screws are threadedly connected with the left side of the mounting rods, and the protection plates are connected between the screws.

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