Assembled oxygen cabin

Abstract

The utility model discloses a split mounting type oxygen cabin which comprises an oxygen cabin main body, the oxygen cabin main body comprises four first cross beams, four second cross beams, four stand columns, a door frame, a cabin door and a plurality of bearing plates, the two first cross beams and the two second cross beams form a rectangular frame, and the door frame is connected with the door frame. The two rectangular frames are arranged at the upper ends and the lower ends of the four stand columns respectively, the multiple bearing plates are arranged between the two rectangular frames respectively, the door frame is arranged between the upper ends and the lower ends of the two rectangular frames, and the bearing plates are in an arc shape. Connecting assemblies are arranged between the first cross beam and the second cross beam and between the second cross beam and the stand columns. The oxygen cabin provided by the utility model adopts an assembly structure, and meanwhile, an aluminum alloy material with small specific gravity is adopted, so that a worker can assemble the oxygen cabin conveniently, and the problems of long production cycle and inconvenience in transportation and hoisting of the oxygen cabin due to the adoption of an integral forming production mode such as welding and the like in the conventional oxygen cabin are effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oxygen cabin technical field, concretely relates to assembled oxygen cabin. BACKGROUND

[0002] Oxygen cabin creates 0.3-0.5kg / cm 2 Atmospheric environment, because of the rise of pressure, a large number of oxygen dissolves in the blood, the human body oxygen solubility increases obviously, and improves the partial pressure of oxygen, improves the blood oxygen diffusion capacity, makes the effective diffusion radius of oxygen increase, people inhale oxygen treatment in the cabin, provides effective, sufficient oxygen to the hypoxia organism, increases the oxygen content and oxygen storage in the tissue, thereby plays the health care treatment efficacy;

[0003] And traditional pressure increasing oxygen supplement square cabin in order to guarantee the pressure bearing capacity and air tightness of cabin body, usually adopts the production mode such as welding and integral molding, leading to long product production cycle, transportation hoisting is inconvenient, not having the plane facade expandability, greatly reduce the convenience of pressure increasing oxygen supplement square cabin. Therefore, it is urgent to design assembled oxygen cabin to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing assembled oxygen cabin to solve the above insufficient in prior art.

[0005] In order to realize the above purpose, the utility model provides the following technical scheme:

[0006] Assembled oxygen cabin, including oxygen cabin main part, the oxygen cabin main part includes first crossbeam, second crossbeam, stand, door frame, cabin door and pressure bearing plate, the number of first crossbeam, second crossbeam and stand is four, the number of pressure bearing plate is several, two first crossbeam and two second crossbeam constitute a rectangular frame, two rectangular frames are arranged at the upper and lower ends of four stands respectively, several pressure bearing plates are arranged between two rectangular frames, the door frame is arranged between the upper and lower of two rectangular frames, the pressure bearing plate is arc-shaped, the cabin door is installed in the door frame through the hinge, the first crossbeam and second crossbeam and second crossbeam and stand are all provided with connecting assembly between, four first crossbeams are connected with four second crossbeams through the connecting assembly, four second crossbeams are connected with four stands through the connecting assembly, the connecting assembly includes connecting pipe, installation metal pin, fixed distance pipe and connecting bolt, two notches are formed in one side of connecting pipe, the number of installation metal pin is two, two installation metal pins are inserted in two notches respectively, the fixed distance pipe is arranged at one side of connecting pipe, and one end of fixed distance pipe is provided with threaded mouth, and the connecting bolt is connected with one end of fixed distance pipe through threaded mouth.

[0007] The inner walls between the two ends of the four columns and the two ends of the four first cross beams are provided with installation grooves, and the connecting pipes and the mounting metal pins are arranged in the installation grooves.

[0008] The adjacent two pressure bearing plates are provided with vertical bars, a plurality of threaded holes are formed in the two sides of the vertical bars and the pressure bearing plates, and a fixing bolt is arranged between adjacent two threaded holes.

[0009] The two sides of the four first cross beams and the four second cross beams are provided with clamping grooves, the two ends of the vertical bars and the pressure bearing plates are provided with plug-in plates, the plug-in plates are inserted into the clamping grooves, a threaded groove is formed in one side of the plug-in plate, a plurality of bolts are arranged on one side of the clamping groove, and the plurality of bolts are respectively screwed with the threaded grooves.

[0010] One side of two of the pressure bearing plates is provided with a viewing window, and the viewing window and the hatch are made of acrylic material.

[0011] Two reinforcing ribs are arranged on one side of the pressure bearing plates on the upper and lower sides through screws, and the two ends of the four reinforcing ribs are connected with the four first cross beams through fixing bolts.

[0012] The hatch is provided with a hatch fixing assembly, the hatch is provided with a first sealing strip and a second sealing strip, and the first sealing strip and the second sealing strip are tightly attached to the door frame.

[0013] The hatch fixing assembly comprises a cam, a sliding plug-in rod, a rotating rod and a limiting assembly, the number of the limiting assembly, the sliding plug-in rod and the rotating rod is two, the hatch is provided with an installation groove, the cam is rotatably installed in the installation groove, the installation groove is provided with a guide sliding groove on the upper and lower sides, the two sliding plug-in rods are respectively slidably installed in the two guide sliding grooves, the two sliding plug-in rods correspond to the cam, the installation groove is provided with a rotating groove on the two sides, the two rotating rods are respectively rotatably installed in the two rotating grooves, one end of the two rotating rods is respectively fixedly connected with the two sides of the cam, the two limiting assemblies are respectively arranged on the two sides of the hatch, and the two limiting assemblies correspond to the two rotating rods, the door frame is provided with a plug-in groove on the upper and lower sides, and one end of the two sliding plug-in rods is respectively movably inserted into the two plug-in grooves.

[0014] Two said guide chute inner wall side are provided with limiting slot, the sliding insertion rod circumferential side fixedly installs limiting slide plate, the limiting slide plate is slidably installed in the limiting slot, the limiting slide plate and the limiting slot between be provided with spring.

[0015] The limiting assembly comprises a fixed sleeve, a rotating sleeve and four protrusions, the fixed sleeve is fixedly installed on one side of the cabin door, the rotating sleeve is sleeved on the circumferential side of the fixed sleeve and the rotating rod, four limiting sliding grooves are formed in the circumferential side of the rotating rod and the fixed sleeve, and the four protrusions are fixedly installed on the circumferential side of the rotating sleeve and slidably installed in the eight limiting sliding grooves.

[0016] In the above technical scheme, the assembled oxygen cabin has the advantages that:

[0017] (1) The oxygen cabin adopts the assembled structure, and the aluminum alloy material with small specific gravity is used, so that the staff can assemble the oxygen cabin, thereby effectively solving the problem that the existing oxygen cabin is integrally formed by welding, resulting in long production cycle and inconvenient transportation and hoisting.

[0018] (2) The oxygen cabin is designed to meet the requirements of pressure bearing, sealing and assembly by using the aluminum alloy profile extrusion process, and the first cross beam, the second cross beam, the column, the door frame, the vertical reinforcement and the pressure bearing plate are integrally formed without welding, thereby improving the structural strength and the effectiveness of the sealing of the oxygen cabin.

[0019] (3) The oxygen cabin is integrally extruded, and the pressure bearing plate is arranged in an arc shape, so that the bearing pressure can be met, and the deformation of the oxygen cabin during use can be effectively avoided. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art according to these drawings.

[0021] Figure 1 The overall structure schematic view of the assembled oxygen cabin embodiment of the present application is provided.

[0022] Figure 2 The connection assembly structure schematic view of the assembled oxygen cabin embodiment of the present application is provided.

[0023] Figure 3The pressure bearing plate upper view section structure schematic diagram is provided for the embodiment of the assembled oxygen cabin of the utility model.

[0024] Figure 4 The door frame and cabin door sealing structure schematic diagram is provided for the embodiment of the assembled oxygen cabin of the utility model.

[0025] Figure 5 The cabin door fixing assembly structure schematic diagram is provided for the embodiment of the assembled oxygen cabin of the utility model.

[0026] Figure 6 The limiting assembly structure schematic diagram is provided for the embodiment of the assembled oxygen cabin of the utility model.

[0027] 1, oxygen cabin main body;2, first cross beam;3, second cross beam;4, stand column;5, door frame;6, cabin door;7, pressure bearing plate;8, visible window;9, vertical rib;11, connecting assembly;12, rectangular frame;13, reinforcing rib;14, plugboard;15, bolt;16, installation groove;17, connecting pipe;18, installation metal pin;19, fixed distance pipe;20, connecting bolt;21, first sealing strip;22, second sealing strip;23, cabin door fixing assembly;24, limiting assembly;25, installation groove;26, cam;27, guide sliding groove;28, plug groove;29, sliding plug rod;31, pulley;32, rotating rod;33, fixed sleeve;34, rotating sleeve;35, limiting sliding groove;36, protruding block;37, rotating groove;38, screw hole;39, limiting groove;40, limiting sliding plate;41, spring. DETAILED DESCRIPTION

[0028] In order to make the technical personnel in the art better understand the technical scheme of the utility model, the utility model will be further introduced in detail below in conjunction with the drawings.

[0029] As Figures 1-6As shown, the utility model embodiment provides assembled oxygen cabin, including oxygen cabin main body 1, oxygen cabin main body 1 includes first crossbeam 2, second crossbeam 3, stand 4, door frame 5, hatch 6 and pressure plate 7, the quantity of first crossbeam 2, second crossbeam 3 and stand 4 is four, the quantity of pressure plate 7 is several, two first crossbeam 2 and two second crossbeam 3 constitute a rectangular frame 12, two rectangular frame 12 are arranged respectively at four stand 4 upper and lower ends, several pressure plate 7 are arranged respectively between two rectangular frame 12, door frame 5 is arranged between two rectangular frame 12 upper and lower, pressure plate 7 is arc, hatch 6 is installed in door frame 5 through hinge, and it is provided with connecting assembly 11 between first crossbeam 2 and second crossbeam 3 and between second crossbeam 3 and stand 4, four first crossbeam 2 are connected with four second crossbeam 3 through connecting assembly 11, four second crossbeam 3 are connected with four stand 4 through connecting assembly 11, connecting assembly 11 includes connecting pipe 17, installation metal pin 18, fixed distance pipe 19 and connecting bolt 20, two notches are set up in one side of connecting pipe 17, the quantity of installation metal pin 18 is two, two installation metal pins 18 are inserted in two notches respectively, fixed distance pipe 19 is set up in one side of connecting pipe 17, and one end of fixed distance pipe 19 is provided with threaded orifice, and connecting bolt 20 is connected with one end of fixed distance pipe 19 through threaded orifice, and the inner wall between both ends of four stand 4 and the inner wall between both ends of four first crossbeam 2 are provided with installation groove 16, several connecting pipes 17 and several installation metal pins 18 are arranged in the installation groove 16 of both ends of four stand 4 and both ends of four first crossbeam 2 respectively, the both sides of both ends of four second crossbeam 3 are provided with notch, and several notches correspond to several installation grooves 16 respectively, fixed distance pipe 19 is located between installation groove 16 and notch, and connecting bolt 20 is connected with fixed distance pipe 19 through notch, and it is provided with vertical reinforcement 9 between adjacent two pressure plate 7, several vertical reinforcements 9 and the both sides of several pressure plate 7 are provided with several threaded holes 38, it is provided with fixed bolt between adjacent two threaded holes 38, the both sides of four first crossbeam 2 and four second crossbeam 3 are provided with clamping groove, the both ends of several pressure plate 7 and several vertical reinforcements 9 are provided with plugboard 14, plugboard 14 is inserted in clamping groove, the one side of several plugboards 14 is provided with threaded slot, and the one side of clamping groove is provided with several bolts 15, and several bolts 15 are respectively connected with several threaded slots in threaded mode, and it is provided with two reinforcing ribs 13 between the one side of several pressure plate 7 located upper and lower sides through screw, and the both ends of four reinforcing ribs 13 are connected with four first crossbeam 2 through fixed bolt.

[0030] Specifically, in the embodiment, the door frame 5 is located between one of the columns 4 and the pressure bearing plate 7, the interfaces of the first cross beam 2, the second cross beam 3 and the column 4 are provided with sealing strips, the mounting metal pin 18 is inserted into the notch on one side of the connecting pipe 17, so that the mounting metal pin 18 is fixed in the mounting groove 16 of the first cross beam 2 or the column 4, then the notches on both sides of the second cross beam 3 are inserted into one end of the distance pipe 19, and the connecting bolt 20 is aligned with the threaded hole at one end of the distance pipe 19 by penetrating the notch, then the connecting bolt 20 is fixedly connected with the distance pipe 19 by rotating the connecting bolt 20 with a tool, then the above steps are repeated, four first cross beams 2 and four second cross beams 3 are combined into two rectangular frames 12, then the four second cross beams 3 of the two rectangular frames 12 are connected with the two ends of the four columns 4, when assembling the rectangular frame 12, the plug plates 14 of the plurality of pressure bearing plates 7 and the plurality of vertical bars 9 are inserted into the corresponding clamping grooves, then the plug plates 14 are fixed in the clamping grooves by the bolts 15, then the bolts are penetrated through the threaded holes 38 between the adjacent two pressure bearing plates 7 and vertical bars 9 on one side, and the bolts are tightened by using a tool to fix the pressure bearing plates 7 and the vertical bars 9, when connecting the rectangular frame 12 with the four columns 4, the plug plates 14 of the other plurality of pressure bearing plates 7 and vertical bars 9 are inserted into the corresponding clamping grooves of the upper and lower first cross beams 2 or the upper and lower second cross beams 3, and the plug plates 14 are fixed in the clamping grooves by the bolts 15, and the adjacent two pressure bearing plates 7 and vertical bars 9 are fixed by the bolts, wherein the sealing strips are arranged between the plug plates 14 and the clamping grooves, and the sealing strips are also arranged between the adjacent two pressure bearing plates 7 and vertical bars 9, the interfaces in the utility model are all provided with sealing strips, the whole is not welded, thereby meeting the assembly requirements of customers for entering and exiting the home, the door frame is composed of vertical door frames and horizontal door frames, the strength and controllable elastic disturbance are ensured under the condition of 0.05Mpa pressure working condition, the sealing strips are arranged at the interfaces to control the sealing of the matching surface, and the first cross beam 2, the second cross beam 3, the column 4 and the pressure bearing plate 7 can meet the strength and anti-deformation requirements during use of the oxygen cabin by using the profile extrusion process.

[0031] The utility model provides an assembly type oxygen cabin, two pressure bearing plates 7 one side are provided with visible window 8, visible window 8 and hatch 6 are all acrylic material, be provided with hatch fixed assembly 23 in hatch 6, and first sealing strip 21 and second sealing strip 22 are fixedly installed respectively on the periphery of hatch 6, and first sealing strip 21 and second sealing strip 22 are all closely combined with door frame 5, and hatch fixed assembly 23 includes cam 26, sliding insertion rod 29, rotating rod 32 and stop component 24, the number of stop component 24, sliding insertion rod 29 and rotating rod 32 is two, and installation groove 25 is seted up in hatch 6, and cam 26 is rotatably installed in installation groove 25, and guide sliding slot 27 is seted up on the upper and lower sides of installation groove 25, and two sliding insertion rods 29 are slidably installed in two guide sliding slots 27 respectively, and two sliding insertion rods 29 correspond with cam 26, and rotating groove 37 is seted up on the both sides of installation groove 25, and two rotating rods 32 are rotatably installed in two rotating grooves 37 respectively, and one end of two rotating rods 32 is fixedly connected with the both sides of cam 26 respectively, and two stop components 24 are seted up on the both sides of hatch 6 respectively, and two stop components 24 correspond with two rotating rods 32 respectively, and slot 28 is seted up on the upper and lower sides of door frame 5, and one end of two sliding insertion rods 29 is movably inserted in two slots 28 respectively, and limiting slot 39 is seted up on the periphery of the inner wall of two guide sliding slots 27, and limiting sliding plate 40 is fixedly installed on the periphery of sliding insertion rod 29, and limiting sliding plate 40 is slidably installed in limiting slot 39, and spring 41 is arranged between limiting sliding plate 40 and limiting slot 39, and stop component 24 includes fixed sleeve 33, rotating sleeve 34 and lug 36, and fixed sleeve 33 is fixedly installed on one side of hatch 6, and fixed sleeve 33 is sleeved on the periphery of one end of rotating rod 32, and rotating sleeve 34 is sleeved on the periphery of fixed sleeve 33 and rotating rod 32, and four limiting sliding grooves 35 are seted up on the periphery of one end of rotating rod 32 and the periphery of fixed sleeve 33, and the number of lug 36 is four, and four lugs 36 are fixedly installed on the periphery of the inner wall of rotating sleeve 34 respectively, and four lugs 36 are slidably installed in eight limiting sliding grooves 35 respectively.

[0032] The utility model provides another embodiment provided by the utility model discloses a cabin door 6 is fixed, and the rotating sleeve 34 is driven to rotate the rotating rod 32, and the rotating rod 32 is driven to rotate the cam 26, and the cam 26 can extrude two sliding insertion rods 29, then, two sliding insertion rods 29 are extruded and move along the guide sliding slot 27 and insert into two insertion slots 28, then when the rotating sleeve 34 moves inwards, four lugs 36 are moved, so that four lugs 36 move to four limiting sliding slots 35 on the circumferential side of the fixed sleeve 33, and because the length of four limiting sliding slots 35 on the circumferential side of the fixed sleeve 33 is shorter than the length of the limiting sliding slot 35 on the circumferential side of the rotating rod 32, when the lug 36 moves to four limiting sliding slots 35 on the circumferential side of the fixed sleeve 33, the rear end is still in the limiting sliding slot 35 on the circumferential side of the rotating rod 32, and then the rotating rod 32 can be fixed and limited, when the limiting of the rotating rod 32 is removed, the rotating sleeve 34 is pulled outwards, so that four lugs 36 move to four limiting sliding slots 35 on the circumferential side of the rotating rod 32, then the rotating sleeve 34 is rotated, so that the rotating rod 32 is driven to rotate by the lug 36 and the limiting sliding slot 35, and the rotating rod 32 can drive the cam 26 to rotate, so that the cam 26 stops extruding the sliding insertion rod 29, and the sliding insertion rod 29 is reset by the elastic force of the spring 41, so that the sliding insertion rod 29 is separated from the insertion slot 28, wherein the contact end of the sliding insertion rod 29 and the cam 26 is rotatably installed with a pulley 31, when the cam 26 extrudes the sliding insertion rod 29, the smoothness of the cam 26 rotation and the smoothness of the sliding insertion rod 29 movement can be improved.

[0033] Working principle: through several connecting components 11, four first cross beams 2 and four second cross beams 3 can form two rectangular frames 12, and the two rectangular frames 12 and four stand columns 4 are fixed through the connecting components 11, forming the complete frame of the oxygen cabin, meanwhile, the plug plate 14 of the several pressure bearing plates 7 and the stud 9 is inserted into the corresponding clamping groove between the inner walls of the two rectangular frames 12 and the corresponding clamping groove between the two rectangular frames 12, and is fixed through bolts, and the door frame 5 is installed between the two rectangular frames 12, and a sealing strip is arranged at each interface, so that a new type of oxygen cabin meeting the working condition of the oxygen cabin can be formed, through the arc-shaped pressure bearing plate 7, the bearing pressure can be met, and the deformation of the oxygen cabin in the use process is effectively avoided, and the first cross beam 2, the second cross beam 3, the stand column 4 and the pressure bearing plate 7 can meet the strength and anti-deformation requirements in the use of the oxygen cabin through the profile extrusion process.

[0034] The above has only described certain exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and descriptions are illustrative in nature, and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. A modular oxygen cabin comprising an oxygen cabin body (1), characterized in that, The oxygen cabin body (1) comprises a first cross beam (2), a second cross beam (3), a column (4), a door frame (5), a cabin door (6) and a pressure plate (7), the number of the first cross beam (2), the second cross beam (3) and the column (4) is four, the number of the pressure plate (7) is several, two first cross beams (2) and two second cross beams (3) form a rectangular frame (12), two rectangular frames (12) are arranged at the upper and lower ends of the four columns (4), and several pressure plates (7) are arranged between the two rectangular frames (12); the door frame (5) is arranged between the two rectangular frames (12); the pressure plate (7) is arc-shaped; the cabin door (6) is installed in the door frame (5) through a hinge; the connecting assembly (11) is arranged between the first cross beam (2) and the second cross beam (3) and between the second cross beam (3) and the column (4); the four first cross beams (2) are connected with the four second cross beams (3) through the connecting assembly (11); the four second cross beams (3) are connected with the four columns (4) through the connecting assembly (11); the connecting assembly (11) comprises a connecting pipe (17), a mounting metal pin (18), a distance pipe (19) and a connecting bolt (20); two notches are formed in one side of the connecting pipe (17); the number of the mounting metal pin (18) is two; the two mounting metal pins (18) are respectively inserted into the two notches; the distance pipe (19) is arranged on one side of the connecting pipe (17), and a threaded hole is formed in one end of the distance pipe (19); and the connecting bolt (20) is connected with one end of the distance pipe (19) through the threaded hole.

2. The assembled oxygen cabin according to claim 1, characterized in that, The distance pipe (19) is located between the installation groove (16) and the notch, and the connecting bolt (20) is connected with the distance pipe (19) through the notch.

3. The assembled habitat of claim 1, wherein, The vertical reinforcement (9) is arranged between the adjacent two pressure plates (7); the number of the vertical reinforcement (9) and the number of the pressure plate (7) are both several; a plurality of threaded holes (38) are formed in the two sides of the vertical reinforcement (9) and the pressure plate (7); and the fixing bolt is arranged between the adjacent two threaded holes (38).

4. The assembled oxygen cabin according to claim 3, characterized in that, Four said first beam (2) and four said second beam (3) both sides are provided with clamping groove, several said pressure plate (7) and several said vertical reinforcement (9) both ends are provided with plugboard (14), the plugboard (14) is inserted in the clamping groove, several said plugboard (14) one side is provided with threaded slot, the clamping groove one side is provided with several bolts (15), several said bolt (15) are all respectively with several said threaded slot screw connection.

5. The assembled habitat of claim 4, wherein, Wherein two said pressure plate (7) one side is provided with visual window (8), the visual window (8) and the hatch (6) are both acrylic material.

6. The assembled habitat of claim 5, wherein, The upper and lower sides of several said pressure plate (7) are connected by screws on one side of the two reinforcing ribs (13), and the two ends of the four reinforcing ribs (13) are connected with the four first beams (2) by fixing bolts.

7. The assembled habitat of claim 1, wherein, The hatch (6) is provided with a hatch fixing assembly (23), and the first and second sealing strips (21) and (22) are respectively fixedly installed on the circumferential side of the hatch (6). The first and second sealing strips (21) and (22) are tightly attached to the door frame (5).

8. The assembled habitat of claim 7, wherein, The hatch fixing assembly (23) comprises a cam (26), a sliding plug rod (29), a rotating rod (32) and a limiting assembly (24). The limiting assembly (24), the sliding plug rod (29) and the rotating rod (32) are all two in number. The hatch (6) is provided with a mounting groove (25). The cam (26) is rotatably installed in the mounting groove (25). The mounting groove (25) is provided with guide sliding grooves (27) on the upper and lower sides. Two sliding plug rods (29) are respectively slidably installed in the two guide sliding grooves (27). The two sliding plug rods (29) correspond to the cam (26). The mounting groove (25) is provided with rotating grooves (37) on both sides. Two rotating rods (32) are respectively rotatably installed in the two rotating grooves (37). One end of each of the two rotating rods (32) is fixedly connected with the cam (26) on both sides. Two limiting assemblies (24) are respectively arranged on both sides of the hatch (6). The two limiting assemblies (24) correspond to the two rotating rods (32). The door frame (5) is provided with plug slots (28) on the upper and lower sides. One end of each of the two sliding plug rods (29) is movably inserted into the two plug slots (28).

9. The assembled habitat of claim 8, wherein, The inner walls of the two guide sliding grooves (27) are provided with limiting grooves (39) on the circumferential sides. The sliding plug rods (29) are fixedly installed with limiting sliding plates (40) on the circumferential sides. The limiting sliding plates (40) are slidably installed in the limiting grooves (39). The limiting sliding plates (40) and the limiting grooves (39) are provided with springs (41).

10. The modular habitat of claim 8, wherein, Said limiting assembly (24) includes fixed sleeve (33), rotating sleeve (34) and lug (36), fixed sleeve (33) is fixedly installed on one side of the hatch (6), and the fixed sleeve (33) is sleeved on one end of the rotating rod (32) periphery, the rotating sleeve (34) is sleeved on the fixed sleeve (33) and the rotating rod (32) periphery, the rotating rod (32) one end periphery and fixed sleeve (33) periphery are all provided with four limiting sliding slot (35), the number of lug (36) is four, four the lug (36) is fixedly installed in the rotating sleeve (34) inner wall periphery respectively, and four the lug (36) is slidably installed in eight limiting sliding slot (35) respectively.

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