A cabin structure form that can be expanded two - way in two layers

Abstract

The present invention discloses a cabin structure form that can be expanded two-way in two layers, including a two-layer cabin body, two groups of side-opening doors, two groups of extension components, and a top ventilation component. The two groups of side-opening doors are symmetrically arranged on the two side walls of the two-layer cabin body, and the extension components are symmetrically assembled in the middle of the two sides of the two-layer cabin body. Through the rectangular storage frame, the present invention can quickly hide and store the extended area of the two-layer cabin body, improving the space utilization rate of the two-layer cabin body. At the same time, with the cooperation of the sealing plate and multiple groups of telescopic positioning parts, rapid extension operations can be carried out on both sides of the two-layer cabin body, the internal space of the two-layer cabin body can be expanded, increasing the space of the two-layer cabin body, facilitating operation, and with the assistance of the top ventilation component, it is transmitted to the spray cavity through the flexible telescopic pipe, and fresh gas is sprayed out through the spray cavity, which can maintain the gas cleanliness in the two-layer cabin body, accelerate the internal gas circulation, and improve the internal comfort of the two-layer cabin body.

Description

Technical Field

[0001] The present invention relates to the technical field related to mobile cabins, and specifically to a mobile cabin structure form that can be expanded two - way in two layers. Background Art

[0002] Briefly speaking, a mobile cabin is similar to a container, and its standards are also formulated with reference to container standards. According to different requirements, different equipment and devices are loaded. Compared with a container, a mobile cabin has higher reliability, electromagnetic compatibility, airtightness, heat insulation, etc. However, at present, the mobile cabin does not have a good extension function and cannot perform rapid extension operations on the mobile cabin body, resulting in a relatively large floor area of the mobile cabin and reducing the space utilization rate of the mobile cabin.

[0003] Traditional devices have the following deficiencies: Currently, the mobile cabin does not have a good extension function and cannot perform rapid extension operations on the mobile cabin body, resulting in a relatively large floor area of the mobile cabin and reducing the space utilization rate of the mobile cabin. Moreover, the subsequent storage of some telescopic mobile cabins on the market is relatively complex and cannot be quickly hidden and stored, reducing the aesthetics of the mobile cabin. At the same time, currently, the mobile cabin cannot perform real - time ventilation operations inside the mobile cabin during operation, affecting the comfort inside the mobile cabin. Summary of the Invention

[0004] The purpose of the present invention is to provide a mobile cabin structure form that can be expanded two - way in two layers to solve the problems.

[0005] To achieve the above - mentioned purpose, the present invention provides the following technical solution: A mobile cabin structure form that can be expanded two - way in two layers, including a two - layer mobile cabin body, two groups of side doors, two groups of extension components, and a top ventilation component. The two groups of side doors are symmetrically opened on the two side walls of the two - layer mobile cabin body. The extension components are symmetrically assembled in the middle of the two sides of the two - layer mobile cabin body, and the extension components extend to both sides based on the two - layer mobile cabin body. The top ventilation component is assembled on the top of the two - layer mobile cabin body, and the output end of the top ventilation component extends into the two - layer mobile cabin body.

[0006] As a further preferred solution of this technical solution, one side of the outer wall of the two - layer mobile cabin body is assembled with a movable door, and the contact position between the movable door and the two - layer mobile cabin body is sealed.

[0007] As a further preferred embodiment of the present technical solution, the extension component includes a rectangular storage frame, a flipping motor, a transmission shaft, a blocking plate, multiple groups of telescopic positioning parts and two groups of limiting parts. The rectangular storage frame is symmetrically assembled in the middle of both sides of the two-layer cabin body, and the rectangular storage frame is interconnected with the two-layer cabin body. The flipping motor is assembled on one side of the bottom end of the rectangular storage frame, the transmission shaft is rotatably installed on one side of the bottom end of the rectangular storage frame, and the output end of the flipping motor is correspondingly connected to the transmission shaft. The blocking plate is locked and installed on the transmission shaft, and the blocking plate blocks the front end of the rectangular storage frame. Multiple groups of telescopic positioning parts are hidden and stored in the rectangular storage frame, and the two groups of limiting parts are symmetrically installed on the top of both sides of the rectangular storage frame, and the output end of the limiting part is correspondingly engaged with the blocking plate.

[0008] As a further preferred embodiment of the present technical solution, the blocking plate is made of metal material as a whole, and the blocking plate is arranged corresponding to the rectangular storage frame. Two sets of slide rails are symmetrically opened on both sides of the back of the blocking plate, and one side of the slide rail has multiple sets of threaded holes equidistantly opened side by side on the back of the blocking plate.

[0009] As a further preferred embodiment of the present technical solution, the telescopic positioning part includes two groups of sliding parts, a concave positioning frame, two groups of extension plates, two groups of positioning bolts and reinforced folding materials. The extension plates are symmetrically welded to the bottom end of the outer wall of the sliding part. The two sides of the bottom of the concave positioning frame are respectively welded and fixed to the two groups of sliding parts, and the sliding part slides and engages on the slide rail. The positioning bolts pass through the extension plates and are screwed into the corresponding threaded holes. The reinforced folding materials are symmetrically distributed between the concave positioning frames between the two adjacent groups of telescopic positioning parts.

[0010] As a further preferred embodiment of the present technical solution, the concave positioning frames of the multiple sets of telescopic positioning parts are stored in a rectangular storage frame, and the side wall of the concave positioning frame located at the front end is wrapped by a reinforced folding material.

[0011] As a further preferred embodiment of the present technical solution, the limiting part includes a positioning member, a pull rod, a sliding block, a positioning groove and two sets of positioning springs. The positioning member is symmetrically locked and installed on the top of the two side walls of the rectangular storage frame. The sliding block is slidably installed on the positioning member. The positioning groove is symmetrically opened on the top of the two side walls of the blocking plate. The pull rod slides through the positioning member, and the pull rod is fixedly connected to the sliding block. The pull rod passes through the side wall of the rectangular storage frame and extends into the positioning groove.

[0012] As a further preferred embodiment of the present technical solution, the positioning member is in an L-shaped structure as a whole, and a track corresponding to the sliding block is provided on the positioning member.

[0013] As a further preferred embodiment of the present technical solution, the top ventilation assembly includes a purification box, a horizontal plate, a top cover, an air intake pipe, two groups of pull-out filters, a central pipe, two groups of spray chambers, two groups of flexible telescopic pipes and two groups of regulating and conveying parts. The purification box is locked and installed on the top of the two-layer cabin body, the top cover is assembled on the top of the purification box, the air intake pipe is passed through the center of the top cover, the pull-out filter is parallelly passed through the purification box, the central pipe is passed through the bottom of the purification box, the horizontal plate is assembled at the top of the two-layer cabin body, the regulating and conveying parts are symmetrically assembled on both sides of the horizontal plate, the spray chamber is assembled on the regulating and conveying part, the two ends of the two groups of flexible telescopic pipes are respectively communicated with the central pipe and the spray chamber, and an air pump is installed at the end of the central pipe.

[0014] As a further preferred embodiment of the present technical solution, the regulating conveying part includes a concave part, two sets of side wall slides, a bottom rack and an electric gear. The side wall slides are symmetrically opened on both side walls of the horizontal plate. The concave part is slidably sleeved on both sides of the horizontal plate and engages with the side wall slides respectively, and the concave part is locked and fixed with the spray chamber. The bottom rack is installed on the lower surface of the horizontal plate, and the electric gear is installed on the concave part, and the electric gear is meshed and transmitted with the bottom rack.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The present invention is provided with an extension component. When the two-layer cabin body needs to be extended, the pull rod is pulled out from the positioning groove on the blocking plate. At this time, the flip motor is started again, driving the transmission shaft to rotate accordingly, driving the blocking plate to flip and flatten, providing space for the subsequent installation of the telescopic positioning part. Then, the connected telescopic positioning part is pulled out from the rectangular storage frame, and the sliding part is correspondingly inserted into the slide rail. After moving to the required position, it is fixed by screwing the positioning bolts with the threaded grooves, thereby realizing the extension and expansion of the telescopic positioning part on the blocking plate. It can be extended in two directions on both sides of the two-layer cabin body, and the internal space of the two-layer cabin body can be expanded, which is convenient for adapting to different usage environments.

[0017] 2. The present invention is equipped with a top ventilation assembly to pump fresh air from the outside into the purification box through the air inlet pipe. The air is then purified by two sets of pull-out filters to prevent a large amount of impurities and dust from entering the two-layer shelter body. The purified air is transferred to the spray chamber through a flexible telescopic tube, and the fresh air is sprayed out through the spray chamber, which can maintain the cleanliness of the air in the two-layer shelter body and improve the internal comfort of the two-layer shelter body.

[0018] 3. With the assistance of the adjustment and conveying part, when it is necessary to adjust the spraying position of the spraying cavity, the electric gear is started. Under the guidance of the bottom rack, the concave part is driven to slide back and forth on the cross plate, so as to finely adjust the position of the spraying cavity in the two-layer mobile cabin body, facilitating the staff to adjust the spraying position according to their own usage needs and improving the usage effect of the two-layer mobile cabin body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is the overall front view of the present invention;

[0020] Figure 2 is the schematic diagram of the opening of the sealing plate of the present invention;

[0021] Figure 3 is the schematic diagram of the extension component of the present invention opened on the two-layer mobile cabin body;

[0022] Figure 4 is the structural schematic diagram of the extension component of the present invention;

[0023] Figure 5 is the schematic diagram of the opening of each telescopic positioning part of the present invention;

[0024] Figure 6 is the structural schematic diagram of the top ventilation component of the present invention;

[0025] Figure 7 is the structural schematic diagram of the adjustment and conveying part of the present invention;

[0026] Figure 8 is the schematic diagram of the distribution of the spraying cavity of the present invention on the cross plate.

[0027] In the figure: 1. Two-layer mobile cabin body; 2. Side opening door; 3. Movable door; 4. Rectangular storage frame; 5. Reversing motor; 6. Transmission shaft; 7. Sealing plate; 8. Slide rail; 9. Threaded hole; 10. Sliding part; 11. Concave positioning frame; 12. Extension plate; 13. Positioning bolt; 14. Reinforced folding material; 15. Positioning part; 16. Pull rod; 17. Sliding block; 18. Positioning groove; 19. Positioning spring; 20. Purification box; 21. Cross plate; 22. Top cover; 23. Air inlet pipe; 24. Pull-out filter screen; 25. Central pipe; 26. Spraying cavity; 27. Flexible telescopic pipe; 28. Concave part; 29. Side wall slideway; 30. Bottom rack; 31. Electric gear. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention.

[0029] Please refer to Figure 1-8The present invention provides a technical solution: a two-story, bidirectionally expandable square cabin structure, comprising a two-story square cabin body 1, two sets of side doors 2, two sets of extension components, and a top ventilation component. The two sets of side doors 2 are symmetrically opened on both side walls of the two-story square cabin body 1. The extension components are symmetrically assembled in the middle of both sides of the two-story square cabin body 1, and the extension components and the two-story square cabin body 1 are used as the basis to extend to both sides. The top ventilation component is assembled on the top of the two-story square cabin body 1, and the output end of the top ventilation component extends into the two-story square cabin body 1.

[0030] In this embodiment, specifically, a movable door 3 is installed on one side of the outer wall of the two-layer shelter body 1, and the contact position between the movable door 3 and the two-layer shelter body 1 is sealed.

[0031] In this embodiment, specifically, the extension component includes a rectangular storage frame 4, a flip motor 5, a transmission shaft 6, a blocking plate 7, multiple sets of telescopic positioning parts and two sets of limit parts. The rectangular storage frame 4 is symmetrically assembled in the middle of both sides of the two-layer cabin body 1, and the rectangular storage frame 4 is interconnected with the two-layer cabin body 1. The flip motor 5 is assembled on one side of the bottom end of the rectangular storage frame 4, and the transmission shaft 6 is rotatably mounted on one side of the bottom end of the rectangular storage frame 4, and the output end of the flip motor 5 is correspondingly connected to the transmission shaft 6 for transmission, the blocking plate 7 is locked and mounted on the transmission shaft 6, and the blocking plate 7 is used to perform a rotation on the front end of the rectangular storage frame 4. Blocking, multiple groups of telescopic positioning parts are hidden and stored in the rectangular storage frame 4, two groups of limiting parts are symmetrically installed on the top of both sides of the rectangular storage frame 4, and the output end of the limiting part is correspondingly engaged with the blocking plate 7, driving the blocking plate 7 to flip and flatten, providing space for the subsequent installation of the telescopic positioning part, and then the connected telescopic positioning part is pulled out from the rectangular storage frame 4, and the sliding part 10 is correspondingly inserted into the slide rail 8, and after moving to the required position, it is fixed by screwing the positioning bolt 13 with the thread groove, thereby realizing the extension and expansion of the telescopic positioning part on the blocking plate 7, which can be extended in both directions on both sides of the two-layer cabin body 1.

[0032] In this embodiment, specifically, the blocking plate 7 is made of metal material as a whole, and the blocking plate 7 is arranged corresponding to the rectangular storage frame 4. Two sets of slide rails 8 are symmetrically opened on both sides of the back of the blocking plate 7, and one side of the slide rail 8 has multiple sets of threaded holes 9 arranged side by side and equidistantly on the back of the blocking plate 7.

[0033] In this embodiment, specifically, the telescopic positioning part includes two sets of sliding members 10, a concave positioning frame 11, two sets of extension plates 12, two sets of positioning bolts 13, and a reinforcing folding material 14. The extension plates 12 are symmetrically welded to the bottom ends of the outer walls of the sliding members 10. Both sides of the bottom of the concave positioning frame 11 are fixedly welded to the two sets of sliding members 10, and the sliding members 10 are slidably engaged with the slide rails 8. The positioning bolts 13 pass through the extension plates 12 and are correspondingly screwed into the threaded holes 9. The reinforcing folding materials 14 are symmetrically distributed between the concave positioning frames 11 between two adjacent telescopic positioning parts. The connected telescopic positioning parts are pulled out from the rectangular storage frame 4, and the sliding members 10 are correspondingly inserted into the slide rails 8. After moving to the required position, they are fixed by screwing the positioning bolts 13 with the threaded grooves, realizing the extension and expansion of the telescopic positioning part on the sealing plate 7.

[0034] In this embodiment, specifically, the concave positioning frames 11 of multiple sets of telescopic positioning parts are stored in the rectangular storage frame 4, and the side walls of the concave positioning frame 11 at the forefront are wrapped by the reinforcing folding material 14.

[0035] In this embodiment, specifically, the limiting part includes a positioning member 15, a pull rod 16, a sliding block 17, a positioning groove 18, and two sets of positioning springs 19. The positioning members 15 are symmetrically locked and installed at the top ends of both side walls of the rectangular storage frame 4. The sliding block 17 is slidably installed on the positioning member 15. The positioning grooves 18 are symmetrically opened at the top ends of both side walls of the sealing plate 7. The pull rod 16 is slidably arranged through the positioning member 15, and the pull rod 16 is fixedly connected to the sliding block 17. The pull rod 16 extends through the side wall of the rectangular storage frame 4 and into the positioning groove 18.

[0036] In this embodiment, specifically, the positioning member 15 is integrally in an L-shaped structure, and a track corresponding to the sliding block 17 is opened on the positioning member 15.

[0037] In this embodiment, specifically, the top ventilation assembly includes a purification box 20, a horizontal plate 21, a top cover 22, an air intake pipe 23, two sets of pull-out filters 24, a central pipe 25, two sets of spray chambers 26, two sets of flexible telescopic pipes 27 and two sets of adjustment and conveying parts. The purification box 20 is locked and installed on the top of the two-layer square cabin body 1, the top cover 22 is assembled on the top of the purification box 20, the air intake pipe 23 is arranged at the center of the top cover 22, the pull-out filter 24 is arranged in parallel in the purification box 20, the central pipe 25 is arranged at the bottom of the purification box 20, and the horizontal plate 21 is assembled on the two-layer square cabin body. At the top of the cabin body 1, the regulating and conveying part is symmetrically assembled on both sides of the horizontal plate 21, and the spray chamber 26 is assembled on the regulating and conveying part. The two ends of the two sets of flexible telescopic tubes 27 are respectively communicated with the central tube 25 and the spray chamber 26, and an air pump is installed at the end of the central tube 25. The gas can be purified by two sets of pull-out filters 24 to prevent a large amount of impurities and dust in the gas from entering the two-layer cabin body 1. The purified gas is transferred to the spray chamber 26 through the flexible telescopic tube 27, and the fresh gas is sprayed out through the spray chamber 26, which can maintain the cleanliness of the gas in the two-layer cabin body 1.

[0038] In this embodiment, specifically, the regulating and conveying part includes a concave part 28, two sets of side wall slides 29, a bottom rack 30 and an electric gear 31. The side wall slides 29 are symmetrically arranged on the two side walls of the horizontal plate 21. The concave part 28 is slidably sleeved on both sides of the horizontal plate 21 and engages with the side wall slides 29 accordingly, and the concave part 28 is locked and fixed with the spray chamber 26. The bottom rack 30 is installed on the lower surface of the horizontal plate 21, and the electric gear 31 is installed on the concave part 28. The electric gear 31 is engaged with the bottom rack 30 for transmission connection, which can fine-tune the position of the spray chamber 26 in the two-layer cabin body 1, making it convenient for the staff to adjust the spraying position according to their own needs, thereby improving the use effect of the two-layer cabin body 1.

[0039] Working principle: When in use, assemble the two-layer cabin body 1 at the designated position for use, and side opening doors 2 are provided on both sides of the two-layer cabin body 1, which is convenient for users to freely open and use. By providing a top ventilation component, when it is necessary to ventilate the two-layer cabin body 1, the fresh external gas is pumped into the purification box 20 through the air inlet pipe 23, and then the gas can be purified through two groups of pull-out filters 24 to prevent a large amount of impurities, dust, etc. in the gas from entering the two-layer cabin body 1. The purified gas is transmitted to the spray cavity 26 through the flexible telescopic pipe 27, and the fresh gas is sprayed through the spray cavity 26, which can maintain the cleanliness of the gas in the two-layer cabin body 1, accelerate the internal gas circulation, improve the comfort level inside the two-layer cabin body 1, and with the assistance of the adjustment and transmission part, when it is necessary to adjust the spraying position of the spray cavity 26, start the electric gear 31, and drive the concave part 28 to slide back and forth on the cross plate 21 under the guidance of the bottom rack 30, so as to finely adjust the position of the spray cavity 26 in the two-layer cabin body 1, which is convenient for the staff to adjust the spraying position according to their own use needs and improves the use effect of the two-layer cabin body 1. By providing an extension component, in the initial state, the rectangular storage frame 4 is used to hide and store multiple sets of telescopic positioning parts, reducing the floor area of the two-layer cabin body 1. And because the top of the pull rod 16 is inserted into the blocking plate 7, the blocking plate 7 can be positioned, and the front end of the rectangular storage frame 4 is blocked by the blocking plate 7, improving the aesthetic degree of the two-layer cabin body 1. When it is necessary to extend the two-layer cabin body 1, pull the pull rod 16 in the reverse direction, drive the sliding block 17 to move accordingly and compress the positioning spring 19, so that the pull rod 16 is pulled out from the positioning groove 18 on the blocking plate 7. At this time, start the flipping motor 5 again, drive the transmission shaft 6 to rotate accordingly, and drive the blocking plate 7 to flip and flatten, providing space for the subsequent installation of the telescopic positioning parts. Then, pull out the connected telescopic positioning parts from the rectangular storage frame 4, and correspondingly insert the sliding parts 10 into the slide rails 8. After moving to the required position, fix them by screwing the positioning bolts 13 with the threaded grooves, realizing the extension and expansion of the telescopic positioning parts on the blocking plate 7, enabling two-way extension on both sides of the two-layer cabin body 1, expanding the internal space of the two-layer cabin body 1, being convenient to adapt to different use environments, improving the space utilization rate of the two-layer cabin body 1, and the overall operation of the equipment is convenient.

[0040] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A two - layer and two - way expandable mobile cabin structure, characterized in that, The invention comprises a two-layer square cabin body (1), two sets of side doors (2), two sets of extension components and a top ventilation component, wherein the two sets of side doors (2) are symmetrically opened on the two side walls of the two-layer square cabin body (1), the extension components are symmetrically assembled in the middle of both sides of the two-layer square cabin body (1), and the extension components and the two-layer square cabin body (1) are extended to both sides as a basis, the top ventilation component is assembled on the top of the two-layer square cabin body (1), and the output end of the top ventilation component extends into the two-layer square cabin body (1); A movable door (3) is installed on one side of the outer wall of the two-layer square cabin body (1), and the contact position between the movable door (3) and the two-layer square cabin body (1) is sealed; The top ventilation assembly includes a purification box (20), a horizontal plate (21), a top cover (22), an air inlet pipe (23), two sets of pull-out filters (24), a central pipe (25), two sets of spray chambers (26), two sets of flexible telescopic pipes (27) and two sets of regulating and conveying parts. The purification box (20) is locked and installed on the top of the two-layer cabin body (1). The top cover (22) is assembled on the top of the purification box (20). The air inlet pipe (23) is passed through the center of the top cover (22). The pull-out filter (24) is arranged in parallel in the purification box (20), the central tube (25) is arranged at the bottom of the purification box (20), the transverse plate (21) is assembled at the top end of the two-layer cabin body (1), the regulating conveying part is symmetrically assembled on both sides of the transverse plate (21), the spray chamber (26) is assembled on the regulating conveying part, the two ends of the two sets of flexible telescopic tubes (27) are respectively communicated with the central tube (25) and the spray chamber (26), and an air pump is installed at the end of the central tube (25); The regulating conveying portion includes a concave member (28), two sets of side wall slides (29), a bottom rack (30) and an electric gear (31), wherein the side wall slides (29) are symmetrically arranged on both side walls of the transverse plate (21), the concave member (28) is slidably sleeved on both sides of the transverse plate (21) and correspondingly engaged with the side wall slides (29), and the concave member (28) is locked and fixed with the spray chamber (26), the bottom rack (30) is installed on the lower surface of the transverse plate (21), the electric gear (31) is installed on the concave member (28), and the electric gear (31) is meshed and transmission-connected with the bottom rack (30).

2. The two - layer and two - way expandable mobile cabin structure according to claim 1, wherein: The extension component comprises a rectangular storage frame (4), a flip motor (5), a transmission shaft (6), a blocking plate (7), a plurality of telescopic positioning parts and two sets of limiting parts. The rectangular storage frame (4) is symmetrically assembled at the middle of both sides of the two-layer cabin body (1), and the rectangular storage frame (4) is interconnected with the two-layer cabin body (1). The flip motor (5) is assembled on one side of the bottom end of the rectangular storage frame (4). The transmission shaft (6) is rotatably mounted on one side of the bottom end of the rectangular storage frame (4), and the output end of the flip motor (5) is correspondingly connected to the transmission shaft (6). The blocking plate (7) is locked and mounted on the transmission shaft (6), and the blocking plate (7) blocks the front end of the rectangular storage frame (4). The plurality of telescopic positioning parts are hidden and stored in the rectangular storage frame (4). The two sets of limiting parts are symmetrically mounted on the top of both sides of the rectangular storage frame (4), and the output end of the limiting part is correspondingly engaged with the blocking plate (7).

3. A two - layer and two - way expandable mobile cabin structure according to claim 2, characterized in that: The blocking plate (7) is made of metal material as a whole, and the blocking plate (7) is arranged corresponding to the rectangular storage frame (4). Two sets of slide rails (8) are symmetrically opened on both sides of the back of the blocking plate (7), and one side of the slide rail (8) is provided with multiple sets of threaded holes (9) arranged side by side and at equal distances on the back of the blocking plate (7).

4. A two-layer and two-way expandable shelter structure according to claim 3, characterized in that: The telescopic positioning portion includes two groups of sliding members (10), a concave positioning frame (11), two groups of extension plates (12), two groups of positioning bolts (13) and a reinforcing folding material (14). The extension plates (12) are symmetrically welded to the bottom end of the outer wall of the sliding member (10). The two sides of the bottom of the concave positioning frame (11) are respectively welded and fixed to the two groups of sliding members (10), and the sliding member (10) is slidably engaged on the slide rail (8). The positioning bolts (13) pass through the extension plates (12) and are correspondingly screwed into the threaded holes (9). The reinforcing folding material (14) is symmetrically distributed between the concave positioning frames (11) between the two adjacent groups of telescopic positioning portions.

5. A two - layer and two - way expandable mobile cabin structure according to claim 4, characterized in that: The concave positioning frames (11) of the multiple sets of telescopic positioning parts are stored in the rectangular storage frame (4), and the side wall of the concave positioning frame (11) located at the front end is wrapped by the reinforced folding material (14).

6. A two - layer and two - way expandable mobile cabin structure according to claim 5, characterized in that: The limiting portion includes a positioning member (15), a pull rod (16), a sliding block (17), a positioning groove (18) and two sets of positioning springs (19). The positioning member (15) is symmetrically locked and installed on the top of the two side walls of the rectangular storage frame (4). The sliding block (17) is slidably installed on the positioning member (15). The positioning groove (18) is symmetrically opened on the top of the two side walls of the blocking plate (7). The pull rod (16) slides through the positioning member (15) and is fixedly connected to the sliding block (17). The pull rod (16) passes through the side wall of the rectangular storage frame (4) and extends into the positioning groove (18).

7. A two - layer and two - way expandable shelter structure according to claim 6, characterized in that: The positioning member (15) is an L-shaped structure as a whole, and a track corresponding to the sliding block (17) is provided on the positioning member (15).

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