Garbage can and transfer equipment

Abstract

The utility model discloses a garbage can and transfer equipment, the garbage can comprises a lower can body and an upper can body, the lower can body is provided with a first locking part, and the first locking part comprises a bolt; the upper box body is arranged above the lower box body, a first opening is formed in the bottom of the upper box body, the front end of the upper box body is rotationally connected with the lower box body, the upper box body has a first position and a second position, and the second position is located above the first position; at the first position, the bottom of the upper box body is connected with the lower box body, and a storage cavity is formed between the upper box body and the lower box body; at the second position, the bottom of the upper box body is separated from the lower box body; wherein the rear end of the upper box body is provided with a second locking part, the second locking part comprises a lock pin, and at the first position, the plug pin moves in the front-back direction so as to lock and unlock the lock pin. According to the garbage can provided by the embodiment of the utility model, when garbage with a large expansion coefficient is transferred, the garbage can can be reliably locked, and secondary pollution to the environment is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of sanitation transportation technology especially relates to a garbage can and transfer equipment. BACKGROUND

[0002] In the related art, the transfer equipment mainly comprises a garbage can, a compression mechanism and a carrier. The garbage can usually adopts an integral box body to load materials, so as to avoid the secondary pollution to the environment caused by the falling garbage during transportation. In the transportation process, the box body should be kept in a reliable locking state. When the garbage transfer equipment transfers the garbage with a large expansion coefficient, such as plastic bottles, the plastic bottles will generate a large force on the inner wall of the box body, and it is more difficult to lock the box body of the garbage can. SUMMARY

[0003] One purpose of the utility model is to provide a garbage can and transfer equipment, which can be reliably locked when transferring the garbage with a large expansion coefficient, thereby avoiding the secondary pollution to the environment.

[0004] According to the garbage can of the utility model embodiment, the garbage can comprises a lower box body and an upper box body, the lower box body is provided with a first locking part, the first locking part comprises a bolt, the upper box body is arranged above the lower box body and is provided with a first opening at the bottom, the front end of the upper box body is rotationally connected to the lower box body, the upper box body has a first position and a second position, the second position is located above the first position, in the first position, the bottom of the upper box body is connected to the lower box body, and a storage cavity is formed between the upper box body and the lower box body, in the second position, the bottom of the upper box body is separated from the lower box body, wherein the rear end of the upper box body is provided with a second locking part, the second locking part comprises a lock pin, and the bolt is moved in the front-rear direction to lock and unlock the lock pin in the first position.

[0005] According to the garbage can of the utility model embodiment, when transferring the garbage with a large expansion coefficient, the garbage can can be reliably locked, thereby avoiding the secondary pollution to the environment.

[0006] In addition, the garbage can according to the utility model embodiment can also have the following additional technical features:

[0007] In some embodiments, in the first position, the bolt is movable in the front-rear direction and has a locking position and an unlocking position, in the locking position, at least a part of the bolt is located above the lock pin, and in the unlocking position, the bolt is staggered with the lock pin.

[0008] In some embodiments, the first locking part further comprises a first mounting base, the first mounting base comprising a first side plate and a second side plate, the first side plate and the second side plate being distributed along a front-rear direction, the bolt being movably arranged through the first side plate and the second side plate along the front-rear direction.

[0009] In some embodiments, the first mounting base further comprises a first mounting plate and a driving part, the first mounting plate, the first side plate and the second side plate being distributed along a front-rear direction, the driving part being drivingly connected to the bolt.

[0010] In some embodiments, the bolt is detachably connected to the first mounting base.

[0011] In some embodiments, the first locking part further comprises a positioning block, the positioning block being connected to the bolt and positioned between the first side plate and the second side plate or outside the first side plate and the second side plate.

[0012] In some embodiments, the second locking part further comprises a second mounting base, the second mounting base comprising a third side plate and a fourth side plate, the third side plate and the fourth side plate being distributed along a left-right direction, the lock pin being connected to the third side plate and the fourth side plate.

[0013] In some embodiments, the second mounting base further comprises a second mounting plate, the second mounting plate being connected to a rear end of the upper cabinet, the third side plate and the fourth side plate being connected to the second mounting plate.

[0014] In some embodiments, the lock pin is detachably connected to the second mounting base.

[0015] In some embodiments, the lower cabinet is further provided with a lower guide part, the upper cabinet is further provided with an upper guide part, the upper guide part and the lower guide part cooperating to guide the upper cabinet to be centrally positioned along the left-right direction.

[0016] In some embodiments, the lower guide part has a first cooperating surface, the upper guide part has a second cooperating surface, in the first position, the first cooperating surface and the second cooperating surface are opposite along the left-right direction, wherein in the first position, an upper portion of the first cooperating surface is inclined in a downward direction away from the second cooperating surface.

[0017] In some embodiments, in the first position, a lower portion of the second cooperating surface is inclined in an upward direction away from the first cooperating surface.

[0018] In some embodiments, the lower guide portion comprises a first lower guide portion and a second lower guide portion, the first lower guide portion is arranged at the left side of the lower cabinet, the second lower guide portion is arranged at the right side of the lower cabinet, the upper guide portion comprises a first upper guide portion and a second upper guide portion, the first upper guide portion is arranged at the left side of the upper cabinet, the second upper guide portion is arranged at the right side of the upper cabinet, in the first position, the first upper guide portion is arranged at the right side of the first lower guide portion, and the second upper guide portion is arranged at the left side of the second lower guide portion.

[0019] In some embodiments, the front end of the upper cabinet is rotationally connected to the lower cabinet around a fixed axis.

[0020] According to the transfer equipment provided in the embodiments of the present application, the garbage can is arranged on the chassis, and the rear end of the lower cabinet is rotationally connected to the chassis, so that the lower cabinet can rotate in the up-down direction.

[0021] According to the transfer equipment provided in the embodiments of the present application, the garbage can can be reliably locked when large garbage is transferred, and secondary pollution to the environment is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a schematic view of the garbage can in some embodiments of the present application, and the upper cabinet is located at the first position.

[0023] Figure 2 is Figure 1 is a sectional view of A-A.

[0024] Figure 3 is a rear view of the garbage can in some embodiments of the present application, and the upper cabinet is located at the first position.

[0025] Figure 4 is a schematic view of the garbage can in some embodiments of the present application, the upper cabinet is located at the first position, and the first locking portion is located at the locking position.

[0026] Figure 5 is Figure 4 is a local enlarged schematic view of the A area.

[0027] Figure 6 is a schematic view of the garbage can in some embodiments of the present application, the upper cabinet is located at the first position, and the first locking portion is located at the locking position.

[0028] Figure 7 is a schematic view of the garbage can in some embodiments of the present application, the upper cabinet is located at the first position, and the first locking portion is located at the unlocking position.

[0029] Figure 8is Figure 7 A partial enlarged view of the B region of the middle circle.

[0030] Figure 9 is a schematic view of the garbage can in some embodiments of the utility model, the upper box body is located at the first position, and the first locking part is located at the unlocking position.

[0031] Figure 10 is Figure 3 A partial enlarged view of the rear view.

[0032] Figure 11 is a schematic view of the garbage can in some embodiments of the utility model, the upper box body is located at the second position.

[0033] Figure 12 is a schematic view of the garbage can in some embodiments of the utility model, the upper box body is located at the second position.

[0034] Reference signs: garbage can 100, lower box body 10, first locking part 11, bolt 111, first mounting seat 112, positioning block 113, first side plate 1121, second side plate 1122, first mounting plate 1123, driving part 1124, first lower guide part 121, second lower guide part 122, third lower guide part 131, upper box body 20, first opening 21, second locking part 22, lock pin 221, second mounting seat 222, third side plate 2221, fourth side plate 2222, second mounting plate 2223, first upper guide part 231, second upper guide part 232, lifting mechanism 30, rotating shaft 40, bottom disc 200, pull arm car 300. DETAILED DESCRIPTION

[0035] The embodiments of the utility model are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as limiting the utility model.

[0036] As Figure 1 and Figure 11According to the garbage can 100, the upper box 20 is provided above the lower box 10 and is provided with a first opening 21 at the bottom, and the front end of the upper box 20 is rotatably connected to the lower box 10 to open and close the first opening 21. When the upper box 20 is rotated upward to be separated from the lower box 10, the lower box 10 can open the first opening 21 of the upper box 20, and the materials and garbage stored in the upper box 20 can be unloaded from the first opening 21; when the upper box 20 is connected to the lower box 10, the lower box 10 can cover the first opening 21 of the upper box 20, and a storage cavity can be formed between the upper box 20 and the lower box 10 to store garbage.

[0037] In combination with Figure 1 , Figure 6 , Figure 9 and Figure 11 , the upper box 20 has a first position and a second position, and the second position is above the first position. In the first position, the bottom of the upper box 20 is connected to the lower box 10, and a storage cavity is formed between the upper box 20 and the lower box 10; in the second position, the bottom of the upper box 20 is separated from the lower box 10. Further, the lower box 10 is provided with a first locking portion 11 including a latch 111, and the rear end of the upper box 20 is provided with a second locking portion 22 including a lock pin 221, and the latch 111 is moved in the front-rear direction to lock and unlock the lock pin 221 in the first position. When the garbage can 100 stores garbage and materials, the upper box 20 is in the first position, the latch 111 locks the lock pin 221, and the rotation of the upper box 20 is limited; when the garbage can 100 needs to unload garbage and materials, the latch 111 unlocks the lock pin 221, the rotation of the upper box 20 is released, the upper box 20 opens the first opening 21, and the garbage is poured out.

[0038] Specifically, the upper box 20 is in the first position, the latch 111 locks the lock pin 221, the upper box 20 is connected to the lower box 10 and locked, the front end of the upper box 20 cannot be rotated upward relative to the lower box 10, the freedom of the upper box 20 relative to the lower box 10 in the up-down direction is limited, the upper box 20 and the lower box 10 are stably assembled together, a storage cavity is formed between the upper box 20 and the lower box 10 to facilitate the storage of garbage; the garbage can 100 can further include a lifting mechanism 30, when the latch 111 is moved in the front-rear direction and unlocks the lock pin 221, the lower box 10 is unlocked from the upper box 20, the lifting mechanism 30 can drive the upper box 20 to rotate upward around the front end, the upper box 20 is separated from the lower box 10, the balance state of the material with a large expansion coefficient is destroyed, and the garbage and materials stored in the storage cavity are easily poured out.

[0039] According to the garbage can 100, when garbage with a large expansion coefficient is transferred, the garbage can 100 can be reliably locked, and secondary pollution to the environment is avoided.

[0040] Optionally, as Figure 3 The first locking part 11 can be located at the bottom of the lower box body 10, and the latch 111 can be located at the bottom of the lower box body 10, so as to avoid the first locking part 11 occupying the storage space of the lower box body 10 for storing materials, and improve the loading capacity of the lower box body 10. Of course, according to actual use requirements, the first locking part 11 can also be arranged at other positions of the lower box body 11, for example, the first locking part 11 is arranged inside the bottom wall of the lower box body 11, is arranged at the upper part of the bottom wall of the lower box body 11 and / or is arranged at the side of the lower box body 11, and the second locking part 22 can be arranged on the upper box body 20 and opposite to the first locking part 11.

[0041] The first locking part 11 and the second locking part 22 in the utility model can be provided in multiple forms, for example, the first locking part 11 can be used to hook the second locking part 22 to lock the upper box body 20, or other ways can be used to lock the upper box body 20. The utility model provides some specific embodiments for locking and unlocking the first locking part 11 and the second locking part 22, and of course, this is not a limitation on the protection scope of the utility model.

[0042] In combination Figure 4 to Figure 9 In some embodiments, the latch 111 is movable along the front-rear direction at the first position and has a locking position and an unlocking position, at the locking position, at least a part of the latch 111 is located above the lock pin 221, and at the unlocking position, the latch 111 is staggered with the lock pin 221, the latch 111 can move along the front-rear direction and exit the position above the lock pin 221, so as to realize locking and unlocking of the upper box body 20.

[0043] Specifically, at the first position, the first locking part 11 and the second locking part 22 are opposite along the front-rear direction, when the latch 111 moves to the locking position, the latch 111 moves backward to the position above the lock pin 221, and the latch 111 can limit the upward movement of the lock pin 221, so as to limit the upward rotation of the upper box body 20, at the unlocking position, the latch 111 moves forward and exits the position above the lock pin 221, the latch 111 is staggered with the lock pin 221, and the locking of the rotation of the upper box body 20 is released, and the upper box body 20 can rotate upward around the front end.

[0044] Optionally, the plug-in 111 can be a rhombic pin with certain stress intensity, so that the positional relationship between the parts is more stable and is not easy to move and deform; the locking pin 221 can be a cylindrical pin with high stability and good wear resistance, and the processing cost is lower. The lower end of the plug-in 111 in the locked position can be a plane and abut with the cylindrical surface of the locking pin 221. Compared with the cylindrical plug-in 111, the lower end of the plug-in 111 adopts a plane which can have a larger contact surface, and the stress of the plug-in 111 can be more uniform, thereby improving the stress intensity of the plug-in 111; when the garbage in the garbage can 100 expands, the locking pin 221 is offset, and the cylindrical surface of the locking pin 221 can still abut with other positions of the plane of the plug-in 111, thereby further avoiding the leakage of materials caused by the upward rotation of the upper box body 20 due to the failure of the plug-in 111 and the locking pin 221 to lock tightly.

[0045] Optionally, the first locking part 11 can include at least two distributed in the left-right direction, and the second locking part 22 includes at least two corresponding to the first locking part 11, that is, the number of the first locking part 11 can be set to two, three or more. The second locking part 22 can also be provided as at least two corresponding to the first locking part 11, wherein the at least two first locking parts 11 can be distributed on the bottom of the lower box body 10 in the left-right direction, and the first locking part 11 in the utility model can be arranged at the rear of the lower box body 10. The at least two second locking parts 22 can be arranged at the rear of the upper box body 20 and can be arranged at the lower end of the rear of the upper box body 20. The at least two first locking parts 11 and the at least two second locking parts 22 can further limit the locking of the upper box body 20 at the first position and prevent the upward rotation of the upper box body 20 during the storage of materials and garbage, thereby preventing the leakage of materials and garbage, and ensuring the storage effect of the garbage can 100.

[0046] In combination Figure 6In some embodiments, the first locking part 11 further comprises a first mounting seat 112, the first mounting seat 112 comprises a first side plate 1121 and a second side plate 1122, the first side plate 1121 and the second side plate 1122 are distributed along the front-rear direction, the bolt 111 is movably threaded through the first side plate 1121 and the second side plate 1122 along the front-rear direction, the first side plate 1121 and the second side plate 1122 limit the movement of the bolt 111 only along the front-rear direction, and ensure that the bolt 111 can smoothly enter the upper side of the locking pin 221. In addition, the first side plate 1121 and the second side plate 1122 can provide support for the bolt 111 and can constrain the bolt 111 from shaking in a direction perpendicular to the front-rear direction, so as to facilitate the stable movement of the bolt 111 along the front-rear direction, improve the stability and structural strength of the bolt 111, and stably lock the upper box body 20 at the first position when the bolt 111 moves to the locking position. Even when the garbage in the garbage can 100 expands, the locking state of the upper box body 20 can be maintained, thereby ensuring the storage effect of the garbage can 100.

[0047] In some embodiments, the first locking part 11 can be arranged at the bottom of the lower box body 10, avoiding occupying the storage space for storing materials and increasing the storage volume. The first side plate 1121 and the second side plate 1122 can be arranged to extend along the left-right direction, the first side plate 1121 is provided with a first positioning hole, the second side plate 1122 is provided with a second positioning hole, the bolt 111 is threaded through the first positioning hole and the second positioning hole along the front-rear direction, the first positioning hole and the second positioning hole limit the movement of the bolt 111 only along the front-rear direction, and cannot move in the left-right or up-down direction, so as to ensure that the backward movement of the bolt 111 can accurately enter the upper side of the locking pin 221, and avoid the bolt 111 moving to the lower side or other positions of the locking pin 221, so that the bolt 111 can stably lock the upper box body 20.

[0048] In some embodiments, the first mounting seat 112 further comprises a first mounting plate 1123 and a driving part 1124, the first mounting plate 1123, the first side plate 1121 and the second side plate 1122 are distributed along the front-rear direction, the driving part 1124 is drivingly connected with the bolt 111, the rear end of the driving part 1124 is threaded through the first mounting plate 1123, and the front end of the bolt 111 is drivingly connected with the driving part 1124, and the driving part 1124 drives the bolt 111 to move along the front-rear direction.

[0049] For example, the driving part 1124 can include a main body part arranged at the front of the first mounting plate 1123 and a driving member arranged in the main body part and movable in the front-rear direction. The rear end of the driving member is arranged in the first mounting plate 1123 and connected to the front end of the latch 111. When the driving member moves in the front-rear direction, the latch 111 is driven to move, thereby driving the latch 111 to move between the locked position and the unlocked position. The first mounting plate 1123 can be used to position the driving part 1124, which facilitates the movement of the driving part 1124 to drive the latch 111.

[0050] Alternatively, the driving part 1124 can be an oil cylinder, which converts the pressure energy of the liquid into mechanical energy for moving the latch 111 in the front-rear direction, thereby ensuring the smooth movement of the latch 111. In addition, the driving part 1124 can also be a gas cylinder or an electric motor.

[0051] In some embodiments, the latch 111 is detachably connected to the first mounting seat 112, which facilitates the disassembly and replacement of the latch 111. This avoids the wear and failure of the latch 111 caused by friction with the lock pin 221, thereby reducing the maintenance cost of the garbage can 100.

[0052] In some embodiments, the first locking part 11 further includes a positioning block 113 connected to the latch 111 and positioned between the first side plate 1121 and the second side plate 1122 or outside the first side plate 1121 and the second side plate 1122. The positioning block 113 limits the range of movement of the latch 111 in the front-rear direction, thereby preventing the latch 111 from disengaging from the first locking part 11.

[0053] For example, the first side plate 1121 is arranged behind the second side plate 1122, and the positioning block 113 can be arranged at the front of the second side plate 1122. When the latch 111 moves to the locked position, the positioning block 113 is positioned at the front of the second side plate 1122 and abuts against the front of the second side plate 1122, thereby limiting the latch 111 to remain in the locked position and preventing the latch 111 from moving further backward. This avoids the disengagement of the latch 111 from the first locking part 11 and the damage of the driving part 1124 caused by the continuous backward movement of the latch 111.

[0054] Alternatively, the positioning block 113 can be arranged between the first side plate 1121 and the second side plate 1122. When the latch 111 moves to the locked position, the positioning block 113 is positioned at the first side plate 1121 and abuts against the front of the first side plate 1121, thereby limiting the latch 111 to remain in the locked position and preventing the latch 111 from moving further backward. When the latch 111 moves to the unlocked position, the positioning block 113 is positioned at the second side plate 1122 and abuts against the rear of the second side plate 1122, thereby limiting the latch 111 to remain in the unlocked position and preventing the latch 111 from moving further forward. The positioning block 113 can also be arranged outside the first side plate 1121.

[0055] In addition, the first mounting base 112 can further include a first baffle and a second baffle, which can extend in the front-rear direction, the first baffle can be connected with the first side plate 1121, the second side plate 1122 and the first mounting plate 1123 respectively, and the second baffle can be opposite to the first baffle in the left-right direction. The first baffle, the second baffle, the first side plate 1121, the second side plate 1122 and the first mounting plate 1123 can form a partial space, and the latch 111 can move in the front-rear direction in the partial space. When the latch 111 is in the locking position, the first baffle and the second baffle can reduce the influence of external factors on the latch 111, so as to ensure that the latch 111 is always above the lock pin 221 in the locking position.

[0056] In combination Figure 7 to Figure 9 In some embodiments, the second locking part 22 further includes a second mounting base 222, which includes a third side plate 2221 and a fourth side plate 2222, the third side plate 2221 and the fourth side plate 2222 are distributed in the left-right direction, and the lock pin 221 is connected with the third side plate 2221 and the fourth side plate 2222. The third side plate 2221 and the fourth side plate 2222 can provide support for the lock pin 221, so that the latch 111 can be stably matched with the lock pin 221, so as to stably lock the upper box body 20 in the first position. In addition, the third side plate 2221 and the fourth side plate 2222 can also provide limiting for the latch 111 in the left-right direction, which can further improve the stability and structural strength of the cooperation between the upper box body 20 and the lower box body 10.

[0057] Specifically, the third side plate 2221 and the fourth side plate 2222 can extend in the front-rear direction, the third side plate 2221 is provided with a third positioning hole, the fourth side plate 2222 is provided with a fourth positioning hole, the lock pin 221 passes through the third positioning hole and the fourth positioning hole in the left-right direction, the third positioning hole and the fourth positioning hole limit the lock pin 221 to extend only in the left-right direction, and the lock pin 221 is fixed between the third side plate 2221 and the fourth side plate 2222 and cannot move in a direction perpendicular to the left-right direction, so as to ensure that the position of the lock pin 221 is unchanged, the latch 111 can smoothly enter the upper side of the lock pin 221 when moving in the front-rear direction, and remain in the locking position, avoiding the movement of the lock pin 221 between the third side plate 2221 and the fourth side plate 2222, and the latch 111 cannot accurately move to the locking position, resulting in that the first locking part 11 does not have locking effect, and the upper box body 20 cannot be locked with the lower box body 10.

[0058] Optionally, the two ends of the lock pin 221 can be provided with threads, and the lock pin 221 can be fixed between the third side plate 2221 and the fourth side plate 2222 by installing a nut, so as to avoid the movement of the lock pin 221 to make the latch 111 difficult to be locked above the lock pin 221.

[0059] In addition, the locking pin 221 can include a head and a rod, one end of the rod is connected with the head, the head is arranged outside the third side plate 2221, the rod penetrates the third side plate 2221 and the fourth side plate 2222, and the other end of the rod is connected with a locking nut, so that the locking pin 221 is positioned on the third side plate 2221 and the fourth side plate 2222. In addition, the other end of the locking pin 221 can also be provided with an open pin, the open pin is connected with the other end of the locking pin 221 and limits the locking nut, so as to improve the connection stability of the locking nut and the rod.

[0060] In some embodiments, the second mounting seat 222 further includes a second mounting plate 2223, the second mounting plate 2223 is connected to the rear end of the upper box body 20, the third side plate 2221 and the fourth side plate 2222 are connected with the second mounting plate 2223, so as to avoid the second positioning part occupying the space of the upper box body 20 for storing materials and increase the storage volume of the upper box body 20.

[0061] Specifically, the upper box body 20 includes a rear side plate, the second mounting plate 2223 has a first surface and a second surface, the first surface is connected with the second surface, the first surface is arranged at the rear part of the rear side plate, the second surface is arranged at the bottom part of the rear side plate, a part of the third side plate 2221 is connected with the first surface, and the other part is connected with the second surface, a part of the fourth side plate 2222 is connected with the first surface, and the other part is connected with the second surface, so as to increase the connection surface of the third side plate 2221 and the fourth side plate 2222 with the second mounting plate 2223 and enhance the stress intensity of the third side plate 2221 and the fourth side plate 2222. When the bolt 111 is in the locking position, the locking pin 221 is subjected to the downward force of the bolt 111 when the upper box body 20 continues to rotate upward, so as to prevent the upper box body 20 from rotating upward, the force acting on the locking pin 221 is transmitted to the third side plate 2221 and the fourth side plate 2222, so as to increase the stress intensity of the third side plate 2221 and the fourth side plate 2222 and avoid the third side plate 2221 and the fourth side plate 2222 from being broken when subjected to stress.

[0062] In some embodiments, the locking pin 221 is detachably connected with the second mounting seat 222, so as to facilitate the disassembly and replacement of the locking pin 221.

[0063] Specifically, since the lower end of the bolt 111 rubs against the upper end of the locking pin 221 for multiple times when the bolt 111 enters or exits the locking position, the upper end of the locking pin 221 is prone to wear and failure. When the bolt 111 is in the locking position, the upper end of the locking pin 221 cannot abut against the lower end of the bolt 111, and there is a small distance between the bolt 111 and the locking pin 221, so the bolt 111 cannot lock the upper box body 20 in the first position. Therefore, the locking pin 221 needs to be replaced multiple times, so as to ensure that the bolt 111 can limit the upper box body 20 to be located in the first position and cannot rotate upward.

[0064] In combination Figure 5 andFigure 8 In some embodiments, the lower housing 10 is further provided with a lower guide portion, and the upper housing 20 is further provided with an upper guide portion. The upper guide portion and the lower guide portion cooperate to guide the upper housing 20 to be centered and positioned in the left-right direction.

[0065] For example, when the upper housing 20 rotates from the second position to the first position, the upper housing 20 vibrates in the left-right direction. The upper guide portion rotates downward with the upper housing 20, and the lower end of the upper guide portion tilts in a direction away from the lower guide portion, allowing the upper guide portion to smoothly enter the inner side of the lower guide portion. When the upper guide portion and the lower guide portion are opposite each other, the lower guide portion restricts the upper guide portion from moving in the left-right direction and ensures that when the upper housing 20 rotates to the first position, the central axis of the upper housing 20 in the front-back direction coincides with the central axis of the lower housing 10 in the front-back direction, so that the first locking portion 11 and the second locking portion 22 are opposite each other, making it easy for the first locking portion 11 to move in the front-back direction to the locked position and the unlocked position.

[0066] Optionally, the upper guide portion may be provided with a first reinforcing plate and a second reinforcing plate. The first and second reinforcing plates can be connected to the upper guide portion, and the first and second reinforcing plates are opposite each other in the front-rear direction. Providing the first and second reinforcing plates can enhance the stress resistance of the upper guide portion and prevent it from cracking under stress. The bottom of the lower housing 10 is provided with a roller seat, and the lower guide portion can be fixed to the roller seat to enhance the stress resistance of the lower guide portion. The lower guide portion may be provided with a third reinforcing plate, which can be connected to the outer side of the lower guide portion and can be perpendicular to the lower guide portion, thereby enhancing the stress resistance of the lower guide portion and preventing it from cracking under stress.

[0067] In some embodiments, the lower guide portion has a first mating surface, and the upper guide portion has a second mating surface. In a first position, the first and second mating surfaces are opposite each other in the left-right direction. To facilitate the mating of the upper and lower guide portions, a wedge-shaped surface structure can be provided in at least one of the first and second mating surfaces. This includes, but is not limited to, the following embodiments.

[0068] In the first embodiment, in the first position, the upper part of the first mating surface is inclined in the direction away from the second mating surface from bottom to top, so as to facilitate the smooth entry of the upper guide part into the inner side of the lower guide part and prevent the upper guide part from rotating to other positions of the lower guide part.

[0069] Specifically, when the upper box 20 rotates from above the first position to the first position, the upper guide portion rotates downward with the upper box 20, and when the upper box 20 is about to rotate to the first position, due to the shaking of the upper box 20 during rotation, the second matching surface has a slight displacement in the left-right direction, the inclination of the upper part of the first matching surface forms a local space, so that the second matching surface can also smoothly enter the local space during shaking and continue to rotate downward along the inclined surface of the upper part of the first matching surface, the first matching surface restricts the second matching surface from continuing to shake in the left-right direction, until the lower part of the first matching surface is opposite to the second matching surface, ensuring that the center line of the upper box 20 in the front-rear direction can be aligned with the center line of the lower box 10 in the front-rear direction, so that the first locking portion 11 can lock and unlock the second locking portion 22 in the front-rear direction, and the locking of the upper box 20 and the lower box 10 is realized.

[0070] In the second embodiment, in the first position, the lower part of the second matching surface is inclined in the downward direction away from the first matching surface, which facilitates the smooth entry of the upper guide portion into the inside of the lower guide portion and avoids the rotation of the upper guide portion to other positions of the lower guide portion.

[0071] Specifically, when the upper box 20 rotates from above the first position to the first position, the upper guide portion rotates downward with the upper box 20, and when the upper box 20 is about to rotate to the first position, due to the shaking of the upper box 20 during rotation, the second matching surface has a slight displacement in the left-right direction, the inclination of the lower part of the second matching surface forms a local space, so that the lower part of the second matching surface can also smoothly enter the inside of the lower guide portion through the local space during shaking and continue to rotate downward, the first matching surface restricts the second matching surface from continuing to shake in the left-right direction, until the upper part of the second matching surface is opposite to the first matching surface, ensuring that the center line of the upper box 20 in the front-rear direction can be aligned with the center line of the lower box 10 in the front-rear direction, so that the first locking portion 11 can move in the front-rear direction to lock and unlock the second locking portion 22, and the locking of the upper box 20 and the lower box 10 is realized.

[0072] In the third embodiment, in the first position, the upper part of the first matching surface is inclined in the upward direction away from the second matching surface, and the lower part of the second matching surface is inclined in the downward direction away from the first matching surface.

[0073] Specifically, when the upper box 20 rotates from above the first position to the first position, the upper guide portion rotates downward with the upper box 20, and when the upper box 20 is about to rotate to the first position, due to the shaking of the upper box 20 during rotation, the second matching surface has a slight displacement in the left-right direction, the inclination of the upper part of the first matching surface forms a first partial space, which can make the second matching surface smoothly enter the first partial space during shaking, the inclination of the lower part of the second matching surface forms a second partial space, which can make the lower part of the second matching surface smoothly enter the inside of the lower guide portion through the second partial space during shaking and continue to rotate downward, the first matching surface limits the second matching surface from continuing to shake in the left-right direction, until the second matching surface is opposite to the first matching surface, ensuring that the center line of the upper box 20 in the front-back direction is aligned with the center line of the lower box 10 in the front-back direction, so that the first locking portion 11 can move in the front-back direction to lock and unlock the second locking portion 22, realizing the locking of the upper box 20 and the lower box 10.

[0074] In combination Figure 10 In some embodiments, the lower guide portion includes a first lower guide portion 121 and a second lower guide portion 122, the first lower guide portion 121 is arranged on the left side of the lower box 10, and the second lower guide portion 122 is arranged on the right side of the lower box 10. The upper guide portion includes a first upper guide portion 231 and a second upper guide portion 232, the first upper guide portion 231 is arranged on the left side of the upper box 20, and the second upper guide portion 232 is arranged on the right side of the upper box 20. In the first position, the first upper guide portion 231 is arranged on the right side of the first lower guide portion 121, and the second upper guide portion 232 is arranged on the left side of the second lower guide portion 122. The first lower guide portion 121 cooperates with the first upper guide portion 231, and the second lower guide portion 122 cooperates with the second upper guide portion 232, realizing the centering positioning of the upper box 20.

[0075] For example, when the upper box 20 rotates from above the first position to the first position, the first upper guide part 231 and the second upper guide part 232 rotate downward with the upper box 20, and when the upper box 20 is about to rotate to the first position, due to the shaking of the upper box 20 during rotation, the first upper guide part 231 and the second upper guide part 232 have a slight displacement in the left-right direction, the upper part of the first lower guide part 121 tilts away from the first upper guide part 231, the upper part of the second lower guide part 122 tilts away from the second upper guide part 232, the tilt of the upper part of the first lower guide part 121 forms a first partial space, and the tilt of the upper part of the second lower guide part 122 forms a second partial space, so that the lower part of the first upper guide part 231 smoothly enters the right side of the first lower guide part 121 through the first partial space during shaking, and the lower part of the second upper guide part 232 also smoothly enters the left side of the second lower guide part 122 through the second partial space; the upper box 20 continues to rotate downward, the lower part of the first lower guide part 121 restricts the first upper guide part 231 from continuing to shake in the left-right direction, and the lower part of the second lower guide part 122 restricts the second upper guide part 232 from continuing to shake in the left-right direction, until the upper box 20 is completely rotated to the first position, ensuring that the center line of the upper box 20 in the front-rear direction is aligned with the center line of the lower box 10 in the front-rear direction, so that the first locking part 11 can move in the front-rear direction to lock and unlock the second locking part 22, achieving the locking of the upper box 20 and the lower box 10.

[0076] Optionally, a plurality of first lower guide parts 121, second lower guide parts 122, first upper guide parts 231 and second upper guide parts 232 can be provided, the plurality of first lower guide parts 121 can be distributed on the left side of the lower box 10 in the front-rear direction, the plurality of second lower guide parts 122 can be distributed on the right side of the lower box 10 in the front-rear direction, the plurality of first upper guide parts 231 can be distributed on the left side of the upper box 20 in the front-rear direction, and the plurality of second upper guide parts 232 can be distributed on the right side of the upper box 20 in the front-rear direction, the plurality of first lower guide parts 121 cooperate with the plurality of first upper guide parts 231, and the plurality of second lower guide parts 122 cooperate with the plurality of second upper guide parts 232, further ensuring that when the upper box 20 rotates from above the first position to the first position, the middle part of the upper box 20 can coincide with the middle part of the lower box 10.

[0077] In combination Figure 2 and Figure 11Optionally, the left side of the upper end of the lower cabinet 10 can be provided with a plurality of third lower guide portions 131, and the right side of the upper end of the lower cabinet 10 can be provided with a plurality of fourth lower guide portions (not shown in the figure). The plurality of third lower guide portions 131 can be distributed on the left side of the upper end of the lower cabinet 10 along the front-rear direction, and the plurality of fourth lower guide portions can be distributed on the right side of the upper end of the lower cabinet 10 along the front-rear direction. The upper part of the plurality of third lower guide portions 131 can be inclined to the right side, and the left side of the upper cabinet 20 can be located to the left side of the third lower guide portion 131; the upper part of the plurality of fourth lower guide portions can be inclined to the left side, and the right side of the upper cabinet 20 can be located to the right side of the fourth lower guide portion. The plurality of third lower guide portions 131 and the plurality of fourth lower guide portions are provided to ensure that the center line of the upper cabinet 20 along the front-rear direction can be aligned with the center line of the lower cabinet 10 along the front-rear direction.

[0078] In combination Figure 11 In some embodiments, the front end of the upper cabinet 20 is rotationally connected to the lower cabinet 10 about a fixed axis, and after the first locking portion 11 releases the locking of the upper cabinet 20, the upper cabinet 20 can rotate about the front end between the first position and the second position. The fixed axis refers to the relative position of the axis to the lower cabinet 10 being fixed. That is, the upper cabinet 20 can be arranged to only perform a flip along the up-down direction, and not to translate along the front-rear direction.

[0079] For example, the lower cabinet 10 includes a front half and a rear half, the rear half extends along the front-rear direction and is connected to the lower part of the front half, the upper part of the front half is provided with a first hinge portion, the front upper part of the upper cabinet 20 is provided with a second hinge portion, and the garbage can 100 further includes a rotating shaft 40, the rotating shaft 40 passes through the first hinge portion and the second hinge portion and is rotationally connected to the first hinge portion.

[0080] Of course, the upper cabinet 20 in the utility model can also be arranged to be able to translate along the front-rear direction and to be rotationally connected to the lower cabinet 10 about an axis along the left-right direction.

[0081] Optionally, the garbage can 100 further includes a lifting mechanism 30, the lower part of the upper cabinet 20 is provided with a third hinge portion, one end of the lifting mechanism 30 is fixed to the middle part of the front half of the lower cabinet 10, and the other end of the lifting mechanism 30 is rotationally connected to the third hinge portion. When the first locking portion 11 releases the locking of the second locking portion 22, the upper cabinet 20 can rotate about the rotating shaft 40, and the lifting mechanism 30 can drive the upper cabinet 20 to rotate about the rotating shaft 40 between the first position and the second position, thereby realizing the connection and separation of the upper cabinet 20 and the lower cabinet 10.

[0082] Optionally, the lower box body 10 can be provided with a fourth hinge part, and the upper box body 20 can be provided with a support part, one end of the support part is connected with the middle part of the upper box body 20, and the other end of the support part is rotationally connected with the fourth hinge part, when the upper box body 20 is rotated to the upper side of the first position, the support part can further support the upper box body 20 to keep in the upper side of the first position, so as to avoid the upper box body 20 from accidentally falling downward.

[0083] According to the transfer equipment of the embodiment of the utility model, the transfer equipment comprises: a chassis 50 and the garbage can 100, the garbage can 100 is arranged on the chassis 50, the rear end of the lower box body 10 is rotationally connected with the chassis 50, and the lower box body 10 is used to rotate along the up-down direction, when the garbage can 100 is unloaded, the upper box body 20 is moved to the second position, and the lower box body 10 rotates upward around the rear end, so that the garbage can 100 can be fully unloaded, and the working efficiency of unloading is improved.

[0084] According to the transfer equipment of the embodiment of the utility model, by applying the garbage can 100, when the garbage with a large expansion coefficient is transferred, the garbage can 100 can be reliably locked, and secondary pollution to the environment is avoided.

[0085] The transfer equipment of one specific embodiment of the utility model is described below with reference to the drawings.

[0086] As shown in Figure 1 , the garbage can 100 comprises an upper box body 20 and a lower box body 10, and the upper box body 20 is located at the upper part of the lower box body 10. When the garbage can 100 compresses and stores materials, the upper box body 20 is locked with the lower box body 10, and a storage cavity is formed between the upper box body 20 and the lower box body 10. As shown in Figure 3 、 Figure 5 and Figure 6 , the bottom of the lower box body 10 is distributed with two first locking parts 11 along the left-right direction, and the rear end of the upper box body 20 is correspondingly provided with two second locking parts 22 along the left-right direction, when the upper box body 20 is at the first position, the first locking part 11 and the second locking part 22 are opposite, the driving part drives the bolt 111 to move to the locking position, at this time, the bolt 111 is located above the lock pin 221, and the upper box body 20 is limited from rotating upward, so as to avoid material leakage.

[0087] Among them, as shown in Figure 2 and Figure 10As shown, the bottom of the lower box body 10 is distributed with two first lower guide portions 121 in the left-right direction, and the rear end of the upper box body 20 is correspondingly provided with two first upper guide portions 231 in the left-right direction. The lower end of the left first upper guide portion 231 is inclined away from the left first lower guide portion 121, and the lower end of the right first upper guide portion 231 is inclined away from the right first lower guide portion 121. When the upper box body 20 is in the first position, the left first upper guide portion 231 is opposite to the left first lower guide portion 121, and the right first upper guide portion 231 is opposite to the right first lower guide portion 121. The left side of the upper end of the lower box body 10 is also provided with a third lower guide portion 131, and the upper part of the third lower guide portion 131 is inclined to the right side of the lower box body 10. The left side of the upper box body 20 is located to the left side of the third lower guide portion 131. The right side of the upper end of the lower box body 10 is also provided with a fourth lower guide portion (not shown in the figure), and the upper part of the fourth lower guide portion is inclined to the left side of the lower box body 10. The right side of the upper box body 20 is located to the right side of the fourth lower guide portion.

[0088] In combination with Figure 7 , Figure 8 , Figure 9 and Figure 11 , the latch 111 releases the locking of the lock pin 221, and the driving portion 1124 drives the latch 111 to exit above the lock pin 221, so that the upper box body 20 can be rotated upward. The upper end of the front part of the upper box body 20 is provided with a first hinge portion, the lower box body 10 has a front half and a rear half, and the upper end of the front half is provided with a second hinge portion. The garbage can 100 includes a rotating shaft 40 penetrating the first hinge portion and the second hinge portion, and the upper box body 20 can rotate around the rotating shaft 40 between the first position and the second position. The garbage can 100 includes a lifting mechanism 30, and the lower end of the front part of the upper box body 20 is provided with a third hinge portion. The other end of the lifting mechanism 30 is hinged to the third hinge portion and drives the upper box body 20 to rotate around the rotating shaft 40.

[0089] As shown in Figure 12 , the transfer device can be provided with a pull arm vehicle 300. When the garbage can 100 is unloaded, the pull arm vehicle 300 can be driven by the driving portion 1124 and the lifting mechanism 30. The driving portion 1124 drives the latch 111 to exit above the lock pin 221, the latch 111 releases the locking of the lock pin 221, and the upper box body 20 is driven by the lifting mechanism 30 to rotate upward around the rotating shaft 40 to the second position. The upper box body 20 is separated from the lower box body 10, the rear end of the lower box body 10 is rotationally connected to the chassis 50, the lower box body 10 rotates around the rear end of the lower box body 10 in the up-down direction, and the material is poured out of the first opening 21 to the outside, realizing the unloading process.

[0090] As shown in Figure 1 , Figure 2 , Figure 10 and Figure 11When the garbage bin 100 is unloaded, the lower box body 10 rotates downward around the rear end of the lower box body 10 to the original position, the lifting mechanism 30 drives the upper box body 20 to return from the second position to the first position, the lower part of the left first upper guide part 231 smoothly enters the right side of the left first lower guide part 121, the lower part of the right first upper guide part 231 smoothly enters the left side of the right first lower guide part 121, finally, the left first upper guide part 231 is opposite to the left first lower guide part 121, and the right first upper guide part 231 is opposite to the right first lower guide part 121; the left side of the upper box body 20 smoothly enters the left side of the third lower guide part 131, and the right side of the upper box body 20 smoothly enters the right side of the fourth lower guide part, finally, the left side of the upper box body 20 is located at the left side of the third lower guide part 131, and the right side of the upper box body 20 is located at the right side of the fourth lower guide part.

[0091] Compared with a traditional fixed box body, the difficulty in unloading is a difficult problem to solve when a material with a large expansion coefficient is pressed and expanded, and the upper-lower separation type box body structure solves the current difficulty in unloading. The upper-lower separation type garbage bin 100 of the utility model realizes the separation and locking of the upper box body 20 and the lower box body 10 through the driving member of the lifting mechanism 30 and the first locking part 11, and the operation is simple and reliable. The first locking part 11 and the second locking part 22 of the utility model are located at the rear end of the box body, the width of the box body is increased, the volume of the box body is improved, the actual loading capacity of the pressed material is increased, and the operation cost is reduced. The upper-lower separation type garbage bin 100 of the utility model is locked as a stable box body structure when being compressed, meets the compression requirement, and is separated when being unloaded, meets the unloading requirement. The upper-lower separation type garbage bin 100 of the utility model realizes the separation and locking function requirements of the upper box body 20 and the lower box body 10 through the fixed rotating shaft 40. The upper-lower separation type garbage bin 100 of the utility model increases the limiting guide device at the tail and the inner side of the box body, and the lifting and lowering operation of the upper box body 20 is stable and reliable.

[0092] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0093] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and do not connote or imply any relative importance or any meaning pertaining to the quantity of the features being described. Thus, a feature defined with "first", "second", etc. can include at least one of the features, explicitly or implicitly. In the description of the present application, the meaning of "a plurality" is at least two, such as two, three, etc., unless specifically defined otherwise.

[0094] In the present application, unless specifically defined and limited otherwise, the terms "mounting", "connecting", "connection", "fixed", and the like should be interpreted broadly, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless specifically defined otherwise. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0095] In the present application, unless specifically defined and limited otherwise, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0096] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms is not necessarily for the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or features of different embodiments or examples described in the present application without contradiction.

[0097] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application. Those skilled in the art can make changes, modifications, replacements and variations to the above embodiments within the scope of the present application.

Claims

1. A waste bin (100) for a transfer device, characterized in that, The utility model relates to a kind of storage box, including: Lower box (10), the first locking portion (11) including bolt (111) is equipped with the first locking portion (11); Upper box (20), the first opening (21) is equipped with the first opening (21) in the bottom of the upper box (20) being located above the lower box (10), the front end of the upper box (20) is rotatably connected with the lower box (10), the upper box (20) has first position and second position, the second position is located above the first position;In the first position, the bottom of the upper box (20) is connected with the lower box (10), and storage cavity is formed between the upper box (20) and the lower box (10);In the second position, the bottom of the upper box (20) is separated from the lower box (10). Wherein, the rear end of the upper box (20) is equipped with the second locking portion (22), the second locking portion (22) includes lock pin (221), in the first position bolt (111) moves along front-back direction to lock and unlock lock pin (221).

2. The waste bin (100) according to claim 1, characterized in that In the first position, the bolt (111) is movable along front-back direction and has locking position and unlocking position, In the locking position, at least a portion of the bolt (111) is located above the lock pin (221);In the unlocking position, the bolt (111) is staggered with the lock pin (221).

3. The waste bin (100) according to claim 2, characterized in that The first locking portion (11) further includes first mounting seat (112), the first mounting seat (112) includes first side plate (1121) and second side plate (1122), the first side plate (1121) and the second side plate (1122) are distributed along front-back direction, and the bolt (111) is movably threaded through the first side plate (1121) and second side plate (1122) along front-back direction.

4. The waste bin (100) according to claim 3, characterized in that The first mounting seat (112) further includes first mounting plate (1123) and driving portion (1124), the first mounting plate (1123), the first side plate (1121) and the second side plate (1122) are distributed along front-back direction, and the driving portion (1124) is drivingly connected with the bolt (111); And / or, the bolt (111) is detachably connected with the first mounting seat (112); And / or, the first locking portion (11) further includes positioning block (113), the positioning block (113) is connected with the bolt (111), and positioned between the first side plate (1121) and the second side plate (1122) or outside the first side plate (1121) and the second side plate (1122).

5. The waste bin (100) according to claim 2, characterized in that, The second locking portion (22) further includes second mounting seat (222), the second mounting seat (222) includes third side plate (2221) and fourth side plate (2222), the third side plate (2221) and the fourth side plate (2222) are distributed along left-right direction, and the lock pin (221) is connected with the third side plate (2221) and the fourth side plate (2222).

6. The waste bin (100) according to claim 5, characterized in that The second mounting base (222) further comprises a second mounting plate (2223) connected to the rear end of the upper cabinet (20), and the third side plate (2221) and the fourth side plate (2222) are connected to the second mounting plate (2223). And / or, the locking pin (221) is detachably connected to the second mounting base (222).

7. The waste bin (100) according to any one of claims 1-4, characterized in that, The lower cabinet (10) is further provided with a lower guide part, and the upper cabinet (20) is further provided with an upper guide part, the upper guide part and the lower guide part cooperate to guide the upper cabinet (20) to be centrally positioned in the left-right direction.

8. The waste bin (100) according to claim 7, characterized in that The lower guide part has a first matching surface, and the upper guide part has a second matching surface, in the first position, the first matching surface and the second matching surface are opposite in the left-right direction, wherein, in the first position, the upper part of the first matching surface is inclined in the downward direction away from the second matching surface; and / or, in the first position, the lower part of the second matching surface is inclined in the upward direction away from the first matching surface. And / or, the lower guide part comprises a first lower guide part (121) and a second lower guide part (122), the first lower guide part (121) is arranged on the left side of the lower cabinet (10), and the second lower guide part (122) is arranged on the right side of the lower cabinet (10), the upper guide part comprises a first upper guide part (231) and a second upper guide part (232), the first upper guide part (231) is arranged on the left side of the upper cabinet (20), and the second upper guide part (232) is arranged on the right side of the upper cabinet (20), in the first position, the first upper guide part (231) is arranged on the right side of the first lower guide part (121), and the second upper guide part (232) is arranged on the left side of the second lower guide part (122).

9. The waste bin (100) according to claim 1, characterized in that The front end of the upper cabinet (20) is rotatably connected to the lower cabinet (10) about a fixed axis.

10. A transfer apparatus characterized by comprising: Comprising: a chassis (200); The trash can (100) of any one of claims 1-9 is arranged on the chassis (200), and the rear end of the lower cabinet (10) is rotatably connected to the chassis (200) for rotating the lower cabinet (10) in the up-down direction.

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