Portable small outdoor power supply energy storage product

Abstract

The utility model relates to the technical field of power supply energy storage products, and discloses a portable small outdoor power supply energy storage product, which comprises a main body mechanism, a dragging mechanism, a folding lighting mechanism and a damping moving mechanism, the dragging mechanism is positioned at the back of the main body mechanism, the folding lighting mechanism is positioned above the main body mechanism, and the damping moving mechanism is positioned above the folding lighting mechanism. The damping moving mechanism is located below the main body mechanism; the main body mechanism comprises an anti-collision layer, an air outlet, a charging socket and a controller, the anti-collision layer is fixedly installed on the outer side of the device, the air outlet is fixedly formed in the left side of the anti-collision layer, and the charging socket is fixedly installed on the lower left portion of the front face of the anti-collision layer. When the battery is collided, the internal battery can be effectively protected from being damaged, and the air outlet and the air inlet are formed, so that the battery can be quickly cooled through the internal fan, and the battery is prevented from being thermally attenuated during working.

Description

Technical Field

[0001] The utility model relates to the technical field of power supply energy storage, in particular to a portable small-sized outdoor power supply energy storage product. Background Art

[0002] Outdoor energy storage power supply is one of the important links in the current development of people's livelihood. It can be used in field emergency, natural disaster emergency, outdoor tourism, business travel, outdoor work, suburban gatherings, power outage emergency and other fields.

[0003] According to the application number CN202220110609.4, it includes a power supply body, a handle is installed on the top surface of the power supply body, three USB fast charging sockets and one PD fast charging socket are installed on the front of the power supply body, two AC plug boards and a power display meter are installed on the front of the power supply body, a USB power switch and an inverter switch are installed on the front of the power supply body, an LED light and an LED light switch are installed on the front of the power supply body, a charging input port and a PD fast charging input port are installed on the back of the power supply body; a shock absorbing mechanism is installed on the bottom surface of the power supply body. The utility model is small in size, light in weight, easy to carry, and suitable for various outing scenes; it accurately displays various parameters such as battery current and temperature, provides users with comprehensive parameter services, and makes them more assured and safe to use, and the functions are simple and convenient, which is convenient for mobile phone charging, supports multiple fast charging protocols, and charging is more convenient and time-saving.

[0004] The above basically meets the needs, but since the energy storage equipment is generally heavy, it is still quite difficult to carry it by hand during movement. In addition, energy storage products often work in the field. At night, external lighting devices are required, which makes the operation complicated and increases the number of items to be carried. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The purpose of the utility model is to provide a portable small-scale outdoor power supply energy storage product to solve the problem mentioned in the above background technology that since the energy storage equipment is basically heavy, it is still quite laborious to carry it by hand during movement, and the energy storage product often works in the wild, and at night, an external lighting device must be connected, which makes the operation complicated and increases the number of items to be carried.

[0007] (II) Technical solution

[0008] To achieve the above purpose, the utility model provides the following technical solutions: a portable small outdoor power storage product, including a main body mechanism, a dragging mechanism, a folding lighting mechanism and a shock-absorbing moving mechanism, wherein the dragging mechanism is located at the back of the main body mechanism, the folding lighting mechanism is located above the main body mechanism, and the shock-absorbing moving mechanism is located below the main body mechanism;

[0009] The main body structure includes an anti-collision layer, an air outlet, a charging socket and a controller. The anti-collision layer is fixedly installed on the outside of the device, the air outlet is fixedly arranged on the left side of the anti-collision layer, the charging socket is fixedly installed on the lower left front side of the anti-collision layer, and the controller is fixedly installed on the upper left front side of the anti-collision layer. By installing the anti-collision layer, when the battery is hit, the internal battery can be effectively protected from damage. By installing the air outlet and the air inlet, the battery can be quickly cooled by the internal fan to avoid thermal attenuation of the battery during operation. By installing the charging socket and the controller, the battery can be easily charged and operated.

[0010] Preferably, the main body structure includes a multifunctional socket strip, a reserved slot, a handle and a rotating shaft. The multifunctional socket strip is fixedly installed on the upper end of the anti-collision layer, the reserved slot is fixedly arranged in the middle of the upper end of the anti-collision layer, the handle is movably installed inside the reserved slot through the rotating shaft, and the rotating shaft is fixedly installed inside the reserved slot. By installing the multifunctional socket strip, the energy storage device can provide power for various electrical equipment outdoors, thereby improving the practicality of the device. By installing the reserved slot, the handle and the rotating shaft, it is convenient for users to take and put, and the handle can be hidden for convenient storage.

[0011] Preferably, the main body structure includes an induction groove 1, an induction groove 2 and an air inlet, the induction groove 1 is fixedly arranged at the upper end of the anti-collision layer, the induction groove 2 is fixedly arranged on the back of the anti-collision layer, and the air inlet is fixedly installed on the right side of the anti-collision layer. By installing the induction groove 1, it is convenient to store the folding lighting mechanism and reduce the storage volume. By installing the induction groove 2, it is convenient to store the dragging mechanism and reduce the storage volume.

[0012] Preferably, the dragging mechanism includes a telescopic rod 1, a rotating shaft 2, a fixed ball 1, a fixed ball 2 and a handle, the telescopic rod 1 is movably mounted inside the induction groove 2 through the rotating shaft 2, the rotating shaft 2 is fixedly mounted at the lower end inside the induction groove 2, the fixed ball 1 is movably mounted in the middle of the front side of the telescopic rod 1, the fixed ball 2 is movably mounted at the middle and upper end of the front side of the telescopic rod 1, and the handle is fixedly mounted at the upper end of the telescopic rod 1. By installing the telescopic rod 1, the rotating shaft 2, the fixed ball 1, the fixed ball 2 and the handle, it is convenient to push and pull the device, and it can be retracted and inducted to reduce the storage volume, thereby improving the practicality of the device.

[0013] Preferably, the folding lighting mechanism includes a fixed column, a rotating shaft three, a turntable one and a telescopic rod two, the fixed column is movably installed inside the induction groove one through the rotating shaft three, the rotating shaft three is fixedly installed inside the induction groove one, the turntable one is movably installed on the upper end of the fixed column, and the telescopic rod two is fixedly installed on the upper end of the turntable one. By installing the fixed column, the rotating shaft three, the turntable one and the telescopic rod two, the turntable one can be rotated to realize multi-angle adjustment of the folding lighting mechanism.

[0014] Preferably, the folding lighting mechanism includes a limiting bolt 1, a fixing bolt 1, a telescopic rod 3 and a limiting bolt 2, the limiting bolt 1 is movably installed in the middle part of the telescopic rod 2, the fixing bolt 1 is movably installed on the top of the telescopic rod 2, the telescopic rod 3 is movably installed on the upper end of the telescopic rod 2 through the fixing bolt 1, and the limiting bolt 2 is movably installed in the middle part of the telescopic rod 3. By installing the limiting bolt 1, the fixing bolt 1, the telescopic rod 3 and the limiting bolt 2, the folding lighting mechanism can be adjusted in multiple heights and is suitable for various working environments.

[0015] Preferably, the folding lighting mechanism includes a second turntable, a fixing frame, two fixing bolts, a connecting rod, a lamp holder and a light strip, the second turntable is movably mounted on the top of the third telescopic rod, the fixing frame is fixedly mounted on the upper end of the second turntable, the second fixing bolt is fixedly mounted inside the fixing frame, the connecting rod is movably mounted inside the fixing frame through the second fixing bolt, the lamp holder is fixedly mounted on the upper end of the connecting rod, and the light strip is fixedly mounted inside the lamp holder; by installing the second turntable, the fixing frame and the two fixing bolts, the folding lighting mechanism can be adjusted to multiple angles for easy use and adaptability to a variety of working environments; by installing the connecting rod, the lamp holder and the light strip, the structure of the folding lighting mechanism is stable for easy outdoor use.

[0016] Preferably, the shock-absorbing moving mechanism includes a shock-absorbing box, a shock-absorbing damper, a fixed block, a support rod, a fourth rotating shaft and a roller. The shock-absorbing box is fixedly installed at the bottom of the anti-collision layer, the shock-absorbing damper is fixedly installed at the top of the inside of the shock-absorbing box, the fixed block is fixedly installed at the lower end of the shock-absorbing damper, the support rod is fixedly installed at the lower end of the fixed block, the fourth rotating shaft is fixedly installed between two support rods, and the roller is movably installed on the outside of the fourth rotating shaft. By installing the shock-absorbing box, the shock-absorbing damper, the fixed block, the support rod, the fourth rotating shaft and the roller, the movement of the device is facilitated, and the vibration generated during movement is reduced to prevent the vibration from causing damage to the internal battery.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. This portable small outdoor power energy storage product can effectively protect the internal battery from damage when the battery is hit by a collision by installing an anti-collision layer. By installing an air outlet and an air inlet, the battery can be quickly cooled by an internal fan to prevent the battery from being thermally attenuated during operation. By installing a charging socket and a controller, it is convenient to replenish the battery and operate it. By installing a multi-functional socket strip, the energy storage device can provide power to various electrical equipment outdoors, thereby improving the practicality of the device. By installing a reserved slot, a handle and a rotating shaft 1, it is convenient for users to take and put, and the handle can be hidden for convenient storage. By installing an induction slot 1, it is convenient to store the folding lighting mechanism and reduce the storage volume. By installing an induction slot 2, it is convenient to store the dragging mechanism and reduce the storage volume.

[0019] 2. The portable small outdoor power storage product is convenient for pushing and pulling the device by installing a telescopic rod 1, a rotating shaft 2, a fixed ball 1, a fixed ball 2 and a handle, and can be retracted to reduce the storage volume and improve the practicality of the device; by installing a fixed column, a rotating shaft 3, a turntable 1 and a telescopic rod 2, the turntable 1 can be rotated to achieve multi-angle adjustment of the folding lighting mechanism; by installing a limiting bolt 1, a fixing bolt 1, a telescopic rod 3 and a limiting bolt 2, the folding lighting mechanism can be adjusted in multiple heights, which is suitable for various working environments;

[0020] 3. This portable small outdoor power storage product can adjust the folding lighting mechanism at multiple angles by installing a turntable 2, a fixing frame and a fixing bolt 2, which is convenient to use and adaptable to various working environments. By installing a connecting rod, a lamp holder and a light strip, the structure of the folding lighting mechanism is stable and convenient for outdoor use. By installing a shock-absorbing box, a shock-absorbing damper, a fixing block, a support rod, a rotating shaft 4 and a roller, the movement of the device is facilitated, and the vibration generated during movement is reduced to prevent the vibration from causing damage to the internal battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the bottom three-dimensional structure of the main mechanism of the utility model;

[0023] Figure 3 This is a schematic diagram of the three-dimensional structure of the folding lighting mechanism of the utility model;

[0024] Figure 4 This is a schematic diagram of the three-dimensional structure of the shock-absorbing mobile mechanism of the utility model;

[0025] Figure 5 This is a schematic diagram of the cross-sectional structure of the shock-absorbing moving mechanism of the utility model;

[0026] Figure 6 This is a schematic diagram of the three-dimensional structure of the dragging mechanism of the utility model;

[0027] Figure 7 It is a schematic diagram of a partial three-dimensional structure of the utility model.

[0028] In the figure: 1. Main body; 2. Drag mechanism; 3. Folding lighting mechanism; 4. Shock-absorbing mobile mechanism; 101. Anti-collision layer; 102. Air outlet; 103. Charging socket; 104. Controller; 105. Multi-function socket; 106. Reserved slot; 107. Handle; 108. Rotating shaft 1; 109. Induction slot 1; 110. Induction slot 2; 111. Air inlet; 201. Telescopic rod 1; 202. Rotating shaft 2; 203. Fixed ball 1; 204. Fixed ball 2; 205. Handle ; 301, fixed column; 302, rotating shaft three; 303, turntable one; 304, telescopic rod two; 305, limiting bolt one; 306, fixing bolt one; 307, telescopic rod three; 308, limiting bolt two; 309, turntable two; 310, fixed frame; 311, fixing bolt two; 312, connecting rod; 313, lamp stand; 314, lamp strip; 401, shock absorbing box; 402, shock absorbing damping; 403, fixed block; 404, support rod; 405, rotating shaft four; 406, roller. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figure 1 - Figure 7The utility model provides a technical solution: a portable small outdoor power supply energy storage product, including a main body mechanism 1, a dragging mechanism 2, a folding lighting mechanism 3 and a shock-absorbing moving mechanism 4, the dragging mechanism 2 is located at the back of the main body mechanism 1, the folding lighting mechanism 3 is located above the main body mechanism 1, and the shock-absorbing moving mechanism 4 is located below the main body mechanism 1, the main body mechanism 1 includes an anti-collision layer 101, an air outlet 102, a charging socket 103 and a controller 104, the anti-collision layer 101 is fixedly installed on the outside of the device, the air outlet 102 is fixedly arranged on the left side of the anti-collision layer 101, the charging socket 103 is fixedly installed on the lower left front side of the anti-collision layer 101, and the controller 104 is fixedly installed on the upper left front side of the anti-collision layer 101. By installing the anti-collision layer 101, when the battery is hit, the internal battery can be effectively protected from damage. By installing the air outlet 102 and the air inlet 111, the battery can be quickly cooled by the internal fan to avoid thermal attenuation of the battery during operation. By installing the charging socket 103 and the controller 104, the battery replenishment and operation are convenient. The main body 1 includes a multifunctional socket 105, a reserved slot 106, a handle 107 and a shaft 108. The multifunctional socket 105 is fixedly installed on the upper end of the anti-collision layer 101, the reserved slot 106 is fixedly arranged in the middle of the upper end of the anti-collision layer 101, the handle 107 is movably installed inside the reserved slot 106 through the shaft 108, and the shaft 108 is fixedly installed inside the reserved slot 106. By installing the multifunctional socket 105, it is convenient for the energy storage device to provide power to various electrical equipment outdoors, thereby improving the practicality of the device. By installing the reserved slot 106, the handle 107 and The rotating shaft 108 is convenient for users to take and put, and the handle 107 can be hidden for easy storage; the main body mechanism 1 includes an induction groove 109, an induction groove 2 110 and an air inlet 111, the induction groove 109 is fixedly arranged on the upper end of the anti-collision layer 101, the induction groove 2 110 is fixedly arranged on the back of the anti-collision layer 101, and the air inlet 111 is fixedly arranged on the right side of the anti-collision layer 101. By installing the induction groove 109, it is convenient to store the folding lighting mechanism 3 and reduce the storage volume. By installing the induction groove 2 110, it is convenient to store the dragging mechanism 2 and reduce the storage volume.

[0031] The dragging mechanism 2 includes a telescopic rod 201, a rotating shaft 202, a fixed ball 203, a fixed ball 204 and a handle 205. The telescopic rod 201 is movably installed inside the induction groove 110 through the rotating shaft 202. The rotating shaft 202 is fixedly installed at the lower end inside the induction groove 110. The fixed ball 203 is movably installed in the middle of the front of the telescopic rod 201. The fixed ball 204 is movably installed at the middle and upper end of the front of the telescopic rod 201. The handle 205 is fixedly installed at the upper end of the telescopic rod 201. By installing the telescopic rod 201, the rotating shaft 202, the fixed ball 203, the fixed ball 204 and the handle 205, it is convenient to push and pull the device, and it can be retracted and summarized to reduce the storage volume, thereby improving the practicality of the device. The folding lighting mechanism 3 includes a fixed column 301, a rotating shaft 302, a turntable 1 303 and a telescopic rod 2 304. The fixed column 301 is movably installed inside the induction groove 109 through the rotating shaft 302. The rotating shaft 302 is fixedly installed inside the induction groove 109. The turntable 1 303 is movably installed on the upper end of the fixed column 301. The telescopic rod 2 304 is fixedly installed on the upper end of the turntable 1 303. By installing the fixed column 301, the rotating shaft 302, the turntable 1 303 and the telescopic rod 2 304, the turntable 1 303 can be rotated to realize multi-angle adjustment of the folding lighting mechanism 3. The folding lighting mechanism 3 includes a limiting bolt 1 305, a fixing bolt 1 306, a telescopic rod 307 and a limiting bolt 2 308. The limiting bolt 1 305 is movably installed in the middle of the telescopic rod 2 304, the fixing bolt 1 306 is movably installed on the top of the telescopic rod 2 304, the telescopic rod 3 307 is movably installed on the upper end of the telescopic rod 2 304 through the fixing bolt 1 306, and the limiting bolt 2 308 is movably installed in the middle of the telescopic rod 3 307. By installing the limiting bolt 1 305, the fixing bolt 1 306, the telescopic rod 3 307 and the limiting bolt 2 308, the folding lighting mechanism 3 can be adjusted in multiple heights and is suitable for various working environments. The folding lighting mechanism 3 includes a turntable 2 309, a fixing frame 310, a fixing bolt 2 311, a connecting rod 312, a lamp holder 313 and a lamp strip 314. The turntable 2 309 is movably mounted on the top of the telescopic rod 307, the fixing frame 310 is fixedly mounted on the upper end of the turntable 2 309, the fixing bolt 2 311 is fixedly mounted inside the fixing frame 310, the connecting rod 312 is movably mounted inside the fixing frame 310 through the fixing bolt 2 311, the lamp holder 313 is fixedly mounted on the upper end of the connecting rod 312, and the lamp strip 314 is fixedly mounted inside the lamp holder 313. By installing the turntable 2 309, the fixing frame 310 and the fixing bolt 2 311, the folding lighting mechanism 3 can be adjusted at multiple angles for easy use and adaptability to a variety of working environments. By installing the connecting rod 312, the lamp holder 313 and the lamp strip 314, the structure of the folding lighting mechanism 3 is stable for easy outdoor use.

[0032] The shock-absorbing mobile mechanism 4 includes a shock-absorbing box 401, a shock-absorbing damper 402, a fixed block 403, a support rod 404, a rotating shaft four 405 and a roller 406. The shock-absorbing box 401 is fixedly installed at the bottom of the anti-collision layer 101, the shock-absorbing damper 402 is fixedly installed at the top of the shock-absorbing box 401, the fixed block 403 is fixedly installed at the lower end of the shock-absorbing damper 402, the support rod 404 is fixedly installed at the lower end of the fixed block 403, the rotating shaft four 405 is fixedly installed between the two support rods 404, and the roller 406 is movably installed on the outside of the rotating shaft four 405. By installing the shock-absorbing box 401, the shock-absorbing damper 402, the fixed block 403, the support rod 404, the rotating shaft four 405 and the roller 406, the movement of the device is facilitated, and the vibration generated during movement is reduced to prevent the vibration from causing damage to the internal battery.

[0033] Working principle: When the power storage equipment is needed outdoors, take out the handle 107 from the reserved slot 106, lift the device with the handle 107, and place it on the movable road surface. Pull the telescopic rod 1 201 out of the induction slot 2 110. A shock-absorbing moving mechanism 4 is installed at the bottom of the device. Pull it away with the handle 205 and move the device to the designated position. The multi-function socket 105 can be used to provide power to a variety of electrical equipment. When it is outdoors with insufficient lighting, the folding lighting mechanism 3 can be taken out from the induction slot 1 109, and the lighting position can be adjusted by the rotating shaft 302. The height of the folding lighting mechanism 3 can be adjusted by controlling the telescopic rod 2 304 and the telescopic rod 3 307. When the energy storage equipment is short of power, it can be charged and replenished through the charging socket 103.

[0034] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A portable small-sized outdoor power supply energy storage product, comprising a main body mechanism (1), a dragging mechanism (2), a folding lighting mechanism (3) and a shock-absorbing moving mechanism (4), characterized in that: The dragging mechanism (2) is located on the back of the main body mechanism (1), the folding lighting mechanism (3) is located above the main body mechanism (1), and the shock-absorbing moving mechanism (4) is located below the main body mechanism (1); The main body (1) comprises an anti-collision layer (101), an air outlet (102), a charging socket (103) and a controller (104); the anti-collision layer (101) is fixedly mounted on the outside of the battery, the air outlet (102) is fixedly arranged on the left side of the anti-collision layer (101), the charging socket (103) is fixedly mounted on the lower left side of the front side of the anti-collision layer (101), and the controller (104) is fixedly mounted on the upper left side of the front side of the anti-collision layer (101).

2. A portable small outdoor power storage product according to claim 1, characterized in that: The main body structure (1) comprises a multifunctional socket strip (105), a reserved slot (106), a handle (107) and a rotating shaft (108); the multifunctional socket strip (105) is fixedly mounted on the upper end of the anti-collision layer (101); the reserved slot (106) is fixedly arranged in the middle of the upper end of the anti-collision layer (101); the handle (107) is movably mounted inside the reserved slot (106) via the rotating shaft (108); and the rotating shaft (108) is fixedly mounted inside the reserved slot (106).

3. The portable small outdoor power storage product according to claim 2 is characterized by: The main body structure (1) comprises an induction groove 1 (109), an induction groove 2 (110) and an air inlet (111); the induction groove 1 (109) is fixedly arranged at the upper end of the anti-collision layer (101); the induction groove 2 (110) is fixedly arranged at the back of the anti-collision layer (101); and the air inlet (111) is fixedly installed at the right side of the anti-collision layer (101).

4. The portable small outdoor power storage product according to claim 3 is characterized by: The dragging mechanism (2) comprises a telescopic rod (201), a rotating shaft (202), a fixed ball (203), a fixed ball (204) and a handle (205); the telescopic rod (201) is movably mounted inside the induction groove (110) via the rotating shaft (202); the rotating shaft (202) is fixedly mounted at the lower end inside the induction groove (110); the fixed ball (203) is movably mounted at the middle of the front of the telescopic rod (201); the fixed ball (204) is movably mounted at the middle and upper end of the front of the telescopic rod (201); and the handle (205) is fixedly mounted at the upper end of the telescopic rod (201).

5. The portable small outdoor power storage product according to claim 4 is characterized by: The folding lighting mechanism (3) comprises a fixed column (301), a rotating shaft three (302), a rotating disk one (303) and a telescopic rod two (304); the fixed column (301) is movably mounted inside the induction groove one (109) via the rotating shaft three (302); the rotating shaft three (302) is fixedly mounted inside the induction groove one (109); the rotating disk one (303) is movably mounted on the upper end of the fixed column (301); and the telescopic rod two (304) is fixedly mounted on the upper end of the rotating disk one (303).

6. The portable small-scale outdoor power storage product according to claim 5 is characterized in that: The folding lighting mechanism (3) comprises a limiting bolt (305), a fixing bolt (306), a telescopic rod (307) and a limiting bolt (308); the limiting bolt (305) is movably mounted on the middle of the telescopic rod (304); the fixing bolt (306) is movably mounted on the top of the telescopic rod (304); the telescopic rod (307) is movably mounted on the upper end of the telescopic rod (304) through the fixing bolt (306); and the limiting bolt (308) is movably mounted on the middle of the telescopic rod (307).

7. The portable small outdoor power storage product according to claim 6 is characterized by: The folding lighting mechanism (3) comprises a second turntable (309), a fixing frame (310), a second fixing bolt (311), a connecting rod (312), a lamp holder (313) and a lamp strip (314); the second turntable (309) is movably mounted on the top of the third telescopic rod (307); the fixing frame (310) is fixedly mounted on the upper end of the second turntable (309); the second fixing bolt (311) is fixedly mounted inside the fixing frame (310); the connecting rod (312) is movably mounted inside the fixing frame (310) via the second fixing bolt (311); the lamp holder (313) is fixedly mounted on the upper end of the connecting rod (312); and the lamp strip (314) is fixedly mounted inside the lamp holder (313).

8. The portable small outdoor power storage product according to claim 7 is characterized by: The shock-absorbing moving mechanism (4) comprises a shock-absorbing box (401), a shock-absorbing damper (402), a fixed block (403), a support rod (404), a rotating shaft four (405) and a roller (406); the shock-absorbing box (401) is fixedly mounted at the bottom of the anti-collision layer (101); the shock-absorbing damper (402) is fixedly mounted at the top of the inside of the shock-absorbing box (401); the fixed block (403) is fixedly mounted at the lower end of the shock-absorbing damper (402); the support rod (404) is fixedly mounted at the lower end of the fixed block (403); the rotating shaft four (405) is fixedly mounted between the two support rods (404); and the roller (406) is movably mounted on the outside of the rotating shaft four (405).

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