Expansion square cabin

Abstract

The invention relates to an expanded square cabin, which comprises a cabin body, a first movable plate, a second movable plate, a first supporting plate, a second supporting plate and a second supporting plate, and is characterized in that the cabin body comprises a first accommodating space and further comprises a first bottom plate and a second bottom plate, and a sliding channel is formed between the first bottom plate and the second bottom plate; the first expansion cabin is in sliding connection with the cabin body and can be located in the first containing space, the first expansion cabin comprises a third bottom plate and a first side plate, a second movable plate is hinged to the third bottom plate, the second movable plate can abut against the first bottom plate, and the first side plate can move along the sliding channel; the second expansion cabin is in sliding connection with the cabin body and can be located in the second containing space, the second expansion cabin comprises a fourth bottom plate and a second side plate, a third movable plate is hinged to the fourth bottom plate, the third movable plate can abut against the first bottom plate, and the second side plate can move along the sliding channel; and the output end of the driving assembly is connected with the first expansion cabin and the second expansion cabin. According to the expansion square cabin, the overall sealing performance of the square cabin can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of shelter structures, in particular to an extended shelter. Background Art

[0002] Medical shelters are usually used as emergency medical facilities. They are easy to transport and build, and are widely used in disaster relief sites as places for medical assistance. Currently, expandable shelters are usually foldable, that is, they are extended shelters formed by hinged connection of multiple connecting plates. During transportation, the extended shelter is in a folded state, and when in use, the extended shelter is unfolded by rotating multiple connecting plates. In some special medical sites, such as the treatment of patients infected with infectious viruses, highly sealed shelters are required. Due to the large number of hinged positions of the connecting plates, the overall sealing of the shelter is poor, and it cannot be used in the above-mentioned special medical sites. Summary of the invention

[0003] Therefore, the technical problem to be solved by the present invention is to provide an expansion cabin, which can improve the overall sealing performance of the cabin.

[0004] To solve the above technical problems, the present invention provides an expansion cabin, comprising: a cabin body, comprising a first accommodating space, the cabin body also comprising a first bottom plate and a second bottom plate, a sliding channel is formed between the first bottom plate and the second bottom plate, the first bottom plate is hinged with a first movable plate, and the first movable plate can abut against the second bottom plate; a first expansion cabin, comprising a second accommodating space, the second accommodating space is communicated with the first accommodating space, the first expansion cabin is slidably connected to the cabin body and can be located in the first accommodating space, the first expansion cabin comprises a third bottom plate and a first side plate, the third bottom plate is hinged with a second movable plate, the second movable plate can abut against the first bottom plate, and the first side plate can move along the sliding channel; a second expansion cabin, slidably connected to the cabin body and can be located in the second accommodating space, the second expansion cabin comprises a fourth bottom plate and a second side plate, the fourth bottom plate is hinged with a third movable plate, the third movable plate can abut against the first bottom plate, and the second side plate can move along the sliding channel; a drive component, the output end of the drive component is connected to the first expansion cabin and the second expansion cabin.

[0005] In one embodiment of the present invention, the second bottom plate is provided with a first protrusion extending toward the first bottom plate, the first movable plate is provided with a first groove engaged with the first protrusion, a first sliding channel is formed between the first protrusion and the second bottom plate, a second sliding channel is formed between the first bottom plate and the first protrusion, the first side plate can move along the first sliding channel, and the second side plate can move along the second sliding channel.

[0006] In one embodiment of the present invention, a fourth movable plate is further included, the fourth movable plate abuts against the first bottom plate and the second bottom plate, and the fourth movable plate can also abut against the second movable plate.

[0007] In one embodiment of the present invention, the cabin body also includes a support frame, and the driving assembly includes a first driving member, a first slide rail, a first movable rod, a second driving member, a second slide rail and a second movable rod, the first driving member and the second driving member are both connected to the support frame, the output end of the first driving member is connected to the first movable rod through a first transmission rod, the first movable rod is slidably connected to the first slide rail, and the first movable rod is connected to the first expansion cabin, the output end of the second driving member is connected to the second movable rod through a second transmission rod, the second movable rod is slidably connected to the second slide rail, and the second movable rod is connected to the second expansion cabin.

[0008] In one embodiment of the present invention, a third driving member is further provided on the support frame, an output end of the third driving member is connected to the first bottom plate, and a driving path of the third driving member is perpendicular to the plane where the first bottom plate is located.

[0009] In one embodiment of the present invention, the third bottom plate is provided with a second protrusion extending toward the second movable plate, the second movable plate is provided with a second groove cooperating with the second protrusion, and the second groove is connected to a first sealing member capable of abutting against the second protrusion.

[0010] In one embodiment of the present invention, the cabin body includes a first top plate, the second expansion cabin includes a second top plate, a fixing frame is provided at the end of the first top plate, a connecting frame is provided on a side of the fixing frame close to the second top plate, and a second seal is provided on an edge of the second top plate away from the first expansion cabin, and the second seal can be abutted against the connecting frame.

[0011] In one embodiment of the present invention, the second top plate is further connected to a sealing cloth, the first top plate is connected to an adhesive strip, and the sealing cloth can be bonded to the adhesive strip.

[0012] In one embodiment of the present invention, the cabin body also includes an end plate, which is hinged with a side door, and the end plate is provided with a third protrusion and a fourth protrusion extending in the direction of the side door, and the side door is provided with a third groove and a fourth groove respectively cooperating with the third protrusion and the fourth protrusion, the third protrusion is provided with a first protrusion extending in the direction of the third groove, and the third groove is provided with a third sealing member capable of resisting against the first protrusion, the fourth protrusion is provided with a second protrusion extending in the direction of the fourth groove, and the fourth groove is provided with a fourth sealing member capable of resisting against the second protrusion, and the fourth groove is also provided with a third protrusion extending toward the fourth protrusion, and the fourth protrusion is provided with a fifth sealing member capable of resisting against the third protrusion.

[0013] In one embodiment of the present invention, a lifting member is further provided in the first expansion cabin, and the lifting member includes a roller, a connecting rope is wound around the roller, and the connecting rope is connected to the second movable plate.

[0014] The above technical solution of the present invention has the following advantages compared with the prior art:

[0015] The expansion cabin described in the present invention is a cabin that moves the first expansion cabin along the sliding channel to the first storage space, and the second expansion cabin moves along the sliding channel to the second storage space, so as to fully utilize the first storage space and the second storage space. At the same time, there is no need to fold the first expansion cabin and the second expansion cabin. The side wall and top of the first expansion cabin and the side wall and top of the second expansion cabin can all be welded and connected with high sealing performance, thereby improving the overall sealing performance of the cabin. The first sealing member can block the gap between the second movable plate and the third bottom plate hinge, thereby improving the sealing performance of the first expansion cabin. The second sealing member can block the gap between the first top plate and the second top plate, thereby improving the sealing performance of the second expansion cabin. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to make the contents of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments of the present invention in conjunction with the accompanying drawings.

[0017] Figure 1 It is a structural schematic diagram of an extended shelter of the present invention;

[0018] Figure 2 yes Figure 1 A schematic diagram of the structure in an expanded state;

[0019] Figure 3 It is a schematic diagram of the structure of the first expansion cabin;

[0020] Figure 4 It is a schematic diagram of the structure of the second expansion cabin;

[0021] Figure 5 It is a schematic diagram of the bottom structure of the cabin;

[0022] Figure 6 It is a schematic diagram of the connection structure between the drive assembly and the cabin;

[0023] Figure 7 It is a schematic diagram of the internal structure of the cabin;

[0024] Figure 8 It is a schematic diagram of the structure of the drive component;

[0025] Fig. 9 is a schematic diagram of the sealing structure between the third bottom plate and the second movable plate;

[0026] Fig.10 is a schematic diagram of the sealing structure of the first top plate and the second top plate;

[0027] Fig.11 It is a schematic diagram of the sealing structure of the side door and the end plate.

[0028] Explanation of the reference numerals in the specification: 1. Cabin; 2. First expansion cabin; 3. Second expansion cabin; 4. Side door; 5. Sealing plate; 6. Driving assembly; 7. Lifting member; 11. First top plate; 12. End plate; 13. Support frame; 14. First bottom plate; 15. Second bottom plate; 16. First movable plate; 17. Fourth movable plate; 18. Third driving member; 21. Third bottom plate; 22. Second movable plate; 23. First side plate; 24. Second protrusion; 25. Second groove; 26. First sealing member; 27. Locking member; 28. Baffle; 31. Fourth bottom plate; 32. Third movable plate; 33. Second top plate; 34. Third Two side plates; 35, second sealing member; 36, sealing cloth; 41, third groove; 42, third sealing member; 43, fourth groove; 44, fourth sealing member; 45, third convex portion; 61, first driving member; 62, first transmission rod; 63, first slide rail; 64, first movable rod; 65, second driving member; 66, second transmission rod; 67, second slide rail; 68, second movable rod; 111, fixed frame; 112, connecting frame; 121, third convex block; 122, first convex portion; 123, fourth convex block; 124, second convex portion; 125, fifth sealing member; 151, first convex block; 161, first groove. DETAILED DESCRIPTION

[0029] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0030] Reference Figures 1 to 6As shown, an expansion cabin of the present invention comprises: a cabin body 1, comprising a first accommodation space, the cabin body 1 further comprising a first bottom plate 14 and a second bottom plate 15, a sliding channel is formed between the first bottom plate 14 and the second bottom plate 15, the first bottom plate 14 is hinged with a first movable plate 16, the first movable plate 16 can abut against the second bottom plate 15; a first expansion cabin 2, comprising a second accommodation space, the second accommodation space is communicated with the first accommodation space, the first expansion cabin 2 is slidably connected to the cabin body 1 and can be located in the first accommodation space, the first expansion cabin 2 comprises a third bottom plate 21 and a first side plate 23, the The third bottom plate 21 is hinged with a second movable plate 22, and the second movable plate 22 can be abutted against the first bottom plate 14, and the first side plate 23 can move along the sliding channel; the second expansion cabin 3 is slidably connected to the cabin body 1 and can be located in the second accommodating space, the second expansion cabin 3 includes a fourth bottom plate 31 and a second side plate 34, the fourth bottom plate 31 is hinged with a third movable plate 32, the third movable plate 32 can be abutted against the first bottom plate 14, and the second side plate 34 can move along the sliding channel; the driving component 6, the output end of the driving component 6 is connected to the first expansion cabin 2 and the second expansion cabin 3.

[0031] In an expansion cabin of the present embodiment, when the expansion cabin needs to be reset, the first movable plate 16 is flipped over, the second movable plate 22 is flipped over, the first expansion cabin 2 is moved along the sliding channel to the first accommodating space, the third movable plate 32 is flipped over, and the second expansion cabin 3 is moved along the sliding channel to the second accommodating space, thereby fully utilizing the first accommodating space and the second accommodating space. At the same time, there is no need to fold the first expansion cabin 2 and the second expansion cabin 3. The side walls and top of the first expansion cabin 2 and the side walls and top of the second expansion cabin 3 can all be connected by welding with high sealing properties, thereby improving the overall sealing properties of the cabin.

[0032] The cabin body 1 is in the shape of a quadrangular prism as a whole, and includes a frame and a first top plate 11, an end plate 12 and a third side plate connected to the frame, and the third side plate is arranged opposite to each other and is provided with an opening for the first expansion cabin 2 and the second expansion cabin 3 to pass through. A support frame 13 is also provided at the bottom of the cabin body 1, and a first bottom plate 14 and a second bottom plate 15 are connected to the support frame 13. A sliding channel is formed between the second bottom plate 15 and the first bottom plate 14, and the first bottom plate 14 and the second bottom plate 15 are located in the same plane. The first bottom plate 14 is hinged with a first movable plate 16, and the first movable plate 16 can abut against the second bottom plate 15, and the first movable plate 16 can completely cover the sliding channel, so that when the first movable plate 16 is located in the sliding channel, the first movable plate 16 and the first bottom plate 14 and the second bottom plate 15 are located in the same plane. Specifically, the second bottom plate 15 is provided with a first protrusion 151 extending toward the first bottom plate 14, the first movable plate 16 is provided with a first groove 161 engaged with the first protrusion 151, a first sliding channel is formed between the first protrusion 151 and the second bottom plate 15, and a second sliding channel is formed between the first bottom plate 14 and the first protrusion 151. Preferably, the first sliding channel and the second sliding channel are both symmetrically arranged, that is, the second bottom plates 15 are both provided at both ends of the first bottom plate 14, and the first movable plates 16 are symmetrically arranged at both ends of the first bottom plate 14. A fourth movable plate 17 is also included, and the fourth movable plate 17 abuts against the first bottom plate 14 and the second bottom plate 15, that is, the fourth movable plate 17 is engaged between the two second bottom plates 15.

[0033] Reference Figure 7 As shown, preferably, a third driving member 18 is further provided on the support frame 13, the output end of the third driving member 18 is connected to the first bottom plate 14, and the driving path of the third drive is perpendicular to the plane where the first bottom plate 14 is located, that is, the third driving member 18 can drive the first bottom plate 14 to rise, and the third driving member 18 is also located in the middle position of the support frame 13. After the third driving member 18 drives the first bottom plate 14 to rise, the space between the first bottom plate 14 and the support frame 13 is used to accommodate the bottom of the first expansion cabin 2 and the second expansion cabin 3.

[0034] Reference Figure 8As shown, the driving assembly 6 includes a first driving member 61, a first slide rail 63, a first movable rod 64, a second driving member 65, a second slide rail 67 and a second movable rod 68. The first driving member 61 and the second driving member 65 are both connected to the support frame 13. The first driving member 61 is a rotating driving member. The output end of the first driving member 61 is connected to the first movable rod 64 through the first transmission rod 62. Specifically, a rack is provided on the first movable rod 64, and a gear meshing with the rack is fixedly connected to the first transmission rod 62, so that the first driving member 61 can drive the first movable rod 64 to move. The first slide rail 63 is connected to the support frame 13, and the first movable rod 64 is slidably connected to the first slide rail 63, and the first slide rail 63 is sleeved on the first movable rod 64. The first movable rod 64 is parallel to the first sliding channel, and the end of the first movable rod 64 is connected to the first expansion cabin 2, so that the first driving member 61 can drive the first expansion cabin 2 to move. The output end of the second driving member 65 is connected to the second movable rod 68 through the second transmission rod 66. The transmission structure of the second transmission rod 66 and the second movable rod 68 is the same as the transmission structure of the first transmission rod 62 and the first movable rod 64, and will not be repeated. The second slide rail 67 is connected to the support frame 13, and the second movable rod 68 is slidably connected to the second slide rail 67. The second movable rod 68 is parallel to the second sliding channel, and the second movable rod 68 is parallel to the first movable rod 64. The end of the second movable rod 68 is connected to the second expansion cabin 3, so that the second driving member 65 can drive the second expansion cabin 3 to move.

[0035] The first expansion cabin 2 includes a second storage space, and the first expansion cabin 2 is cylindrical as a whole, and the side of the first expansion cabin 2 close to the cabin body 1 is an open side, so that the second storage space is connected to the first storage space. The first expansion cabin 2 is connected to the first movable rod 64 so that the first expansion cabin 2 is slidably connected to the cabin body 1, and the first expansion cabin 2 can be driven to move to the first storage space or move from the first storage space to the outside through the first driving member 61. The first expansion cabin 2 includes a third bottom plate 21, a third top plate and a first side plate 23, and the first side plate 23 can move along the first sliding channel. The side of the third bottom plate 21 close to the first bottom plate 14 is hinged with a second movable plate 22, and the second movable plate 22 can be against the first bottom plate 14. Specifically, it also includes a fourth movable plate 17, and the fourth movable plate 17 is against the first bottom plate 14 and the second bottom plate 15, that is, the fourth movable plate 17 is clamped between the two second bottom plates 15, and when the first expansion cabin 2 is in an expanded state, the second movable plate 22 is against the fourth movable plate 17. When the first expansion compartment 2 is reset, the first movable plate 16 is moved out to enable the first expansion compartment 2 to move, and the first side plate 23 moves along the first sliding channel until the first side plate 23 abuts against the first protrusion 151 .

[0036] Reference Figure 7As shown, preferably, the inner side wall of the first extension side is connected with a lifting plate member 7, and the lifting plate member 7 includes a roller, which is located near the third top plate, and a connecting rope is wound around the roller, and the end of the connecting rope is connected to the side of the second movable plate 22 close to the second extension cabin 3, so that the second movable plate 22 can be gradually rotated to a vertical state by pulling the other end of the connecting rope, and the second movable member can be rotated to a horizontal state by loosening the other end of the connecting rope. Preferably, a rope winding drive can be provided at one end of the connecting rope away from the second movable plate 22, and the position of the second movable plate 22 can be controlled by the rope winding drive.

[0037] The second expansion cabin 3 includes a third storage space, and the second expansion cabin 3 is cylindrical as a whole, and the side of the second expansion cabin 3 close to the cabin body 1 is an open side, so that the third storage space is connected to the first storage space. The second expansion cabin 3 is connected to the second movable rod 68, so that the second expansion cabin 3 is slidably connected to the cabin body 1, and the second expansion cabin 3 can be driven to move into the first storage space or move from the first storage space to the outside through the second driving member 65. Specifically, the size of the opening side of the second expansion cabin 3 is smaller than the size of the opening side of the first expansion cabin 2. When the first expansion cabin 2 and the second expansion cabin 3 are both reset, the second expansion cabin 3 can be located in the second storage space, so that the overall volume of the expansion cabin is small when it is in a folded state. The second expansion cabin 3 includes a fourth bottom plate 31, a second top plate 33 and a second side plate 34, and the second side plate 34 can move along the second sliding channel. The third movable plate 32 is hinged on the side of the fourth bottom plate 31 close to the first bottom plate 14, and the third movable plate 32 can be against the first bottom plate 14, and the width of the third movable plate 32 is smaller than the width of the second movable plate 22.

[0038] Preferably, the panels of the cabin 1, the first expansion cabin 2 and the second expansion cabin 3 all adopt a sandwich structure, wherein the outermost side adopts an aluminum skin, which can withstand axial loads and radial shear forces. The middle is composed of a rigid polyurethane foam sandwich panel and an insulation board, and the rigid polyurethane foam has good thermal insulation performance, light weight and high strength, and has good heat resistance and low water absorption, and has good bonding performance to a variety of materials.

[0039] Reference Fig. 9As shown, preferably, the third bottom plate 21 is provided with a second protrusion 24 extending toward the second movable plate 22, the second movable plate 22 is provided with a second groove 25 matched with the second protrusion 24, the gap between the second protrusion 24 and the second groove 25 is the gap between the second movable plate 22 and the third bottom plate 21 hinged, the second groove 25 is connected with a first sealing member 26 capable of abutting against the second protrusion 24, the first sealing member 26 can block the gap between the second movable plate 22 and the third bottom plate 21 hinged, thereby improving the sealing of the first expansion cabin 2. The second movable plate 22 is also connected with a locking member 27, the locking member 27 includes a rotatable baffle 28, the baffle 28 is located on the side of the second movable member away from the hinged position, and the baffle 28 is rotated to make the baffle 28 abut against the third bottom plate 21, so that the third bottom plate 21 and the second movable plate 22 are fixed. Preferably, the sealing structure and locking structure between the third movable plate 32 and the fourth bottom plate 31 are the same as those between the second movable plate 22 and the third bottom plate 21 , and are not described in detail, thereby improving the sealing performance of the first expansion compartment 2 .

[0040] Reference Fig.10 As shown, preferably, a fixing frame 111 is provided at the end of the first top plate 11, and a connecting frame 112 is provided on the side of the fixing frame 111 close to the second top plate 33. A second sealing member 35 is provided at the edge of the second top plate 33 away from the first expansion cabin 2. The second sealing member 35 extends along the moving path of the second expansion cabin 3. When the second expansion cabin 3 is in an expanded state, the second sealing member 35 abuts against the connecting frame 112, so that the second sealing member 35 can block the gap between the first top plate 11 and the second top plate 33, thereby improving the sealing of the second expansion cabin 3. The second top plate 33 is also connected to a sealing cloth 36, and the first top plate 11 is connected to an adhesive strip. When the second expansion cabin 3 is in an expanded state, the sealing cloth 36 is bonded to the adhesive strip, thereby further improving the sealing of the second expansion cabin 3. Preferably, the sealing structure between the third top plate and the first top plate 11 is the same as the sealing structure between the second top plate 33 and the first top plate 11, and no further description is given, thereby improving the sealing of the first expansion cabin 2.

[0041] Reference Fig.11As shown, the end plate 12 is also hinged with a side door 4 for connecting the first accommodation space with the outside to facilitate people to enter and exit. Preferably, the end plate 12 is provided with a third protrusion 121 and a fourth protrusion 123 extending toward the side door 4, and the side door 4 is provided with a third groove 41 and a fourth groove 43 respectively cooperating with the third protrusion 121 and the fourth protrusion 123, and the extension distances of the third protrusion 121 and the fourth protrusion 123 are different, so that the third protrusion 121 and the fourth protrusion 123 are stepped, and the third groove 41 and the fourth groove 43 are also stepped. The third protrusion 121 is provided with a first protrusion 122 extending toward the third groove 41, the third groove 41 is provided with a third sealing member 42 capable of abutting against the first protrusion 122, the fourth protrusion 123 is provided with a second protrusion 124 extending toward the fourth groove 43, the fourth groove 43 is provided with a fourth sealing member 44 capable of abutting against the second protrusion 124, the fourth groove 43 is further provided with a third protrusion 45 extending toward the fourth protrusion 123, and the fourth protrusion 123 is provided with a fifth sealing member 125 capable of abutting against the third protrusion 45. When the side door 4 is in a closed state, the first protrusion 122 abuts against the third sealing member 42, the second protrusion 124 abuts against the fourth sealing member 44, and the third protrusion 45 abuts against the fifth sealing member 125, so that the gap between the side door 4 and the end plate 12 is sealed, thereby improving the sealing performance of the cabin 1.

[0042] The end plate 12 is also provided with an air port. When the air port needs to be sealed, the air port is sealed by a sealing plate 5. The sealing structure of the sealing plate 5 and the end plate 12 is the same as the sealing structure of the end plate 12 and the side door 4, and will not be repeated.

[0043] When the expansion cabin is expanded, the first expansion cabin 2 is driven to move outward by the first drive member, and the second expansion cabin 3 is driven to move in the opposite direction of the first expansion cabin 2 by the second drive member 65, until the first expansion cabin 2 and the second expansion cabin 3 are in an expanded state, and then the third drive member 18 drives the first bottom plate 14 to descend, flips the first movable plate 16 so that the first movable plate 16 is coplanar with the first bottom plate 14, flips the second movable plate 22 so that the second movable plate 22 is coplanar with the third bottom plate 21, flips the third movable plate 32 so that the third movable plate 32 is coplanar with the fourth bottom plate 31, and finally the fourth movable plate 17 is clamped with the second bottom plate 15, thereby completing the expansion of the expansion cabin. The process of resetting the expansion cabin is the reverse step of the above process, which will not be repeated.

[0044] An expansion cabin of the present invention is a cabin that moves the first expansion cabin 2 along the sliding channel to the first storage space, and the second expansion cabin 3 along the sliding channel to the second storage space, thereby fully utilizing the first storage space and the second storage space. At the same time, there is no need to fold the first expansion cabin 2 and the second expansion cabin 3. The side wall and top of the first expansion cabin 2 and the side wall and top of the second expansion cabin 3 can all be welded and connected with high sealing performance, thereby improving the overall sealing performance of the cabin. The first sealing member 26 can block the gap between the second movable plate 22 and the third bottom plate 21, thereby improving the sealing performance of the first expansion cabin 2. The second sealing member 35 can block the gap between the first top plate 11 and the second top plate 33, thereby improving the sealing performance of the second expansion cabin 3.

[0045] Obviously, the above embodiments are merely examples for clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the protection scope of the invention.

Claims

1. An expansion shelter, characterized in that: include: The cabin body comprises a first accommodating space, and the cabin body further comprises a first bottom plate and a second bottom plate, wherein a sliding channel is formed between the first bottom plate and the second bottom plate, and the first bottom plate is hinged with a first movable plate, and the first movable plate can abut against the second bottom plate; A first expansion cabin, comprising a second accommodation space, the second accommodation space being communicated with the first accommodation space, the first expansion cabin being slidably connected to the cabin body and being capable of being located in the first accommodation space, the first expansion cabin comprising a third bottom plate and a first side plate, the third bottom plate being hinged with a second movable plate, the second movable plate being capable of abutting against the first bottom plate, and the first side plate being capable of moving along the sliding channel; a second expansion cabin, slidably connected to the cabin body and capable of being located in the second accommodation space, the second expansion cabin comprising a fourth bottom plate and a second side plate, the fourth bottom plate being hinged with a third movable plate, the third movable plate being capable of abutting against the first bottom plate, and the second side plate being capable of moving along the sliding channel; A driving component, wherein an output end of the driving component is connected to the first expansion compartment and the second expansion compartment.

2. The expansion shelter according to claim 1, characterized in that: The second bottom plate is provided with a first protrusion extending toward the first bottom plate, the first movable plate is provided with a first groove engaged with the first protrusion, a first sliding channel is formed between the first protrusion and the second bottom plate, a second sliding channel is formed between the first bottom plate and the first protrusion, the first side plate can move along the first sliding channel, and the second side plate can move along the second sliding channel.

3. The expansion shelter according to claim 2, characterized in that: The device further comprises a fourth movable plate, wherein the fourth movable plate abuts against the first bottom plate and the second bottom plate, and the fourth movable plate can also abut against the second movable plate.

4. The expansion shelter according to claim 1, characterized in that: The cabin body also includes a support frame, and the driving assembly includes a first driving member, a first slide rail, a first movable rod, a second driving member, a second slide rail and a second movable rod. The first driving member and the second driving member are both connected to the support frame, the output end of the first driving member is connected to the first movable rod through a first transmission rod, the first movable rod is slidably connected to the first slide rail, and the first movable rod is connected to the first expansion cabin, the output end of the second driving member is connected to the second movable rod through a second transmission rod, the second movable rod is slidably connected to the second slide rail, and the second movable rod is connected to the second expansion cabin.

5. The expansion shelter according to claim 4, characterized in that: A third driving member is also provided on the support frame, an output end of the third driving member is connected to the first bottom plate, and a driving path of the third driving member is perpendicular to the plane where the first bottom plate is located.

6. The expansion shelter according to claim 1, characterized in that: The third bottom plate is provided with a second protrusion extending toward the second movable plate, the second movable plate is provided with a second groove matched with the second protrusion, and the second groove is connected with a first sealing member capable of abutting against the second protrusion.

7. The expansion shelter according to claim 1, characterized in that: The cabin body includes a first top plate, and the second expansion cabin includes a second top plate. A fixing frame is provided at the end of the first top plate, a connecting frame is provided on a side of the fixing frame close to the second top plate, and a second seal is provided on an edge of the second top plate away from the first expansion cabin, and the second seal can be abutted against the connecting frame.

8. The expansion shelter according to claim 7, characterized in that: The second top plate is also connected to a sealing cloth, and the first top plate is connected to an adhesive strip, and the sealing cloth can be bonded to the adhesive strip.

9. The expansion shelter according to claim 1, characterized in that: The cabin body also includes an end plate, which is hinged with a side door. The end plate is provided with a third protrusion and a fourth protrusion extending toward the side door, and the side door is provided with a third groove and a fourth groove respectively cooperating with the third protrusion and the fourth protrusion, the third protrusion is provided with a first protrusion extending toward the third groove, the third groove is provided with a third sealing member capable of resisting against the first protrusion, the fourth protrusion is provided with a second protrusion extending toward the fourth groove, the fourth groove is provided with a fourth sealing member capable of resisting against the second protrusion, the fourth groove is also provided with a third protrusion extending toward the fourth protrusion, and the fourth protrusion is provided with a fifth sealing member capable of resisting against the third protrusion.

10. The expansion shelter according to claim 1, characterized in that: A lifting plate is also provided in the first expansion cabin. The lifting plate includes a roller. A connecting rope is wound around the roller. The connecting rope is connected to the second movable plate.

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