Multifunctional modular assembly type house

Abstract

The invention belongs to the technical field of fabricated buildings, and particularly relates to a multifunctional modular fabricated house which comprises symmetrically arranged side plates, and the bottom ends of the side plates are provided with extension structures; according to the technical scheme, the occupied space of the house can be adjusted according to the actual situation of a use site, the house can be assembled according to the adjusted width when the house is assembled, and therefore the assembly type house can adapt to different use scenes, use convenience is improved, meanwhile, assembly of the house can adapt to adjustment of the width, and the assembly efficiency is improved. Meanwhile, a supporting structure is added, after the house is assembled, the positions of supporting legs and a supporting plate are adjusted through an electric push rod according to the horizontal condition of the ground where the house is located, and therefore the whole house is leveled, the levelness of the house is guaranteed, the supporting plate can adapt to part of the inclined ground, and the safety of the house is improved. And the house can be conveniently supported.

Description

Technical Field

[0001] The present invention belongs to the technical field of prefabricated buildings, and particularly relates to a multi-functional modular prefabricated house. Background Art

[0002] A prefabricated building refers to a building in which a large amount of on-site work in the traditional construction method is transferred to a factory. Building components and fittings, such as floor slabs, wall panels, stairs, balconies, etc., are processed and manufactured in the factory and transported to the construction site, and then assembled and installed on-site through reliable connection methods; modular prefabrication is to recombine the assembled components to achieve different assembly schemes. In the prior art, the components of prefabricated houses are usually of fixed dimensions, and the components of fixed dimensions cannot be assembled and used in some places with limited occupied space, resulting in inconvenience in use.

[0003] To solve the above problems, a multi-functional modular prefabricated house is proposed in this application. Summary of the Invention

[0004] To solve the problems raised in the above background art. The present invention provides a multi-functional modular prefabricated house, which has the characteristic of being able to adjust the occupied space of the house.

[0005] To achieve the above object, the present invention provides the following technical solution: A multi-functional modular prefabricated house, including symmetrically arranged side plates, an expansion structure is arranged at the bottom end of the side plates, an assembly structure is arranged on the expansion structure, support structures are symmetrically arranged on both sides of the side plates, and a door frame is arranged on any one of the side plates.

[0006] The expansion structure includes symmetrically arranged connecting columns, connecting sleeves are symmetrically arranged on the outer sides of the connecting columns, threaded sleeves are fixedly connected to both sides of the top and bottom surfaces of the connecting columns, first positioning ports are symmetrically arranged on the connecting sleeves, the threaded sleeves are respectively arranged in the adjacent first positioning ports, clamping plates are symmetrically arranged on the outer sides of the connecting sleeves near the threaded sleeves, the clamping plates are fixedly connected to the adjacent threaded sleeves through bolts, the mutually adjacent clamping plates are fixedly connected through bolts, T-shaped connecting plates are arranged on the top surfaces of the connecting columns, and vertical plates are fixedly connected to the top surfaces of the T-shaped connecting plates.

[0007] As a preferred embodiment of the multi-functional modular prefabricated house of the present invention, first insertion plates are symmetrically arranged on both sides of the vertical plates, first expansion plates are arranged on the outer sides of the first insertion plates, second positioning ports are symmetrically arranged on the first expansion plates, first positioning columns are fixedly connected to the positions of the first insertion plates close to the second positioning ports, and the first positioning columns are respectively arranged in the adjacent second positioning ports.

[0008] Preferably, in a multi-functional modular prefabricated house of the present invention, a bottom plate is arranged between the connecting columns. Second insertion plates are symmetrically arranged on both sides of the bottom plate. Second extension plates are arranged on the outer sides of the second insertion plates. Third positioning ports are symmetrically arranged on the second extension plates. Second positioning columns are fixedly connected to the positions of the second insertion plates close to the third positioning ports, and the second positioning columns are respectively arranged in the adjacent third positioning ports.

[0009] Preferably, in a multi-functional modular prefabricated house of the present invention, a top plate is arranged on the top of the bottom plate. Third insertion plates are symmetrically arranged on both sides of the top plate. Third extension plates are arranged on the outer sides of the third insertion plates. Fourth positioning ports are symmetrically arranged on the third extension plates. Third positioning columns are fixedly connected to the positions of the third insertion plates close to the fourth positioning ports, and the third positioning columns are respectively arranged in the adjacent fourth positioning ports.

[0010] Preferably, in a multi-functional modular prefabricated house of the present invention, the assembly structure includes a plurality of connecting pieces. First insertion slots are arranged at both ends of the connecting pieces. First connecting holes are symmetrically arranged at the positions of the connecting pieces close to the first insertion slots. Second insertion slots are arranged on the tops of the connecting pieces. Second connecting holes are arranged at the positions of the connecting pieces close to the second insertion slots. Positioning plates are fixedly connected to the inner corners of the connecting pieces, and the second extension plates are arranged on the top surfaces of the positioning plates.

[0011] Preferably, in a multi-functional modular prefabricated house of the present invention, columns are arranged on the top surfaces of the connecting pieces. Third insertion blocks are fixedly connected to the bottom surfaces of the columns, and the third insertion blocks are respectively arranged in the adjacent second insertion slots. Fourth threaded holes are arranged at the positions of the third insertion blocks close to the second connecting holes. Pressing plates are fixedly connected to the bottom positions of the columns, and the pressing plates are arranged on the top surfaces of the fifth connecting holes. Splicing blocks are arranged on the columns.

[0012] Preferably, in a multi-functional modular prefabricated house of the present invention, first splicing grooves are arranged on one side of the first extension plate close to the column, and the splicing blocks close to the first splicing grooves are arranged in the first splicing grooves. Second splicing grooves are symmetrically arranged on both sides of the side plate, and the splicing blocks close to the second splicing grooves are arranged in the second splicing grooves.

[0013] Preferably, for a multifunctional modular prefabricated house of the present invention, connecting rods are provided on the sides of the second extension plates facing away from each other. Both ends of each connecting rod are fixedly connected with second insertion blocks, and the second insertion blocks are respectively arranged in the first insertion slots nearby. Third threaded holes are provided at positions of the second insertion blocks close to the first connection holes, first threaded holes are provided on the connecting columns, and third connection holes are provided at positions of the T-shaped connecting plates close to the first threaded holes. First insertion blocks are fixedly connected to the sides of the connecting sleeves facing away from each other, and second threaded holes are provided at positions of the first insertion blocks close to the first connection holes.

[0014] Preferably, for a multifunctional modular prefabricated house of the present invention, first threaded columns are fixedly connected to the top surfaces of the columns, second threaded columns are fixedly connected to the top surfaces of the vertical plates, fourth connection holes are symmetrically provided on the top plates, the second threaded columns are arranged in the fourth connection holes nearby, fifth connection holes are symmetrically provided on the third extension plates, and the second threaded columns are respectively arranged in the fifth connection holes nearby.

[0015] Preferably, for a multifunctional modular prefabricated house of the present invention, the support structure includes fixed columns, the fixed columns are fixedly connected to the bottom surfaces of the connectors, mounting plates are fixedly connected to the bottom surfaces of the fixed columns, electric push rods are mounted on the top surfaces of the mounting plates, support legs are fixedly connected to the output shafts of the electric push rods, the bottom ends of the support legs are movably connected with support plates, and ground nails are rotatably connected to the positions of the mounting plates close to the electric push rods.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: By adding an extension structure and an assembly structure to the present application, the occupied space of the house can be adjusted according to the actual situation of the use site, so that the house can be assembled according to the adjusted width during assembly, thereby enabling the prefabricated house to adapt to different use scenarios, improving the convenience during use. At the same time, the assembly of the house can adapt to the width adjustment and has stable and reliable connections. Meanwhile, a support structure is added. After the house is assembled, according to the horizontal situation of the ground where the house is located, the positions of the support legs and the support plates are adjusted using the electric push rods, so as to level the whole house and ensure the levelness of the house. Moreover, the support plate can adapt to a partially inclined ground, which is convenient for supporting the house. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention. In the drawings:

[0018] Figure 1 is a schematic structural diagram of the present invention;

[0019] Figure 2 For the present invention Figure 1 is the first partial structural schematic diagram;

[0020] Figure 3 For the present invention Figure 2 is the partial structural schematic diagram;

[0021] Figure 4 For the present invention Figure 1 is the second partial structural schematic diagram;

[0022] Figure 5 For the present invention Figure 3 is the first partial structural schematic diagram;

[0023] Figure 6 For the present invention Figure 3 is the second partial structural schematic diagram;

[0024] Figure 7 For the present invention Figure 3 is the third partial structural schematic diagram;

[0025] Figure 8 is the structural schematic diagram of the connecting member of the present invention;

[0026] Figure 9 is the structural schematic diagram of the column of the present invention

[0027] Figure 10 is the structural schematic diagram of the support structure of the present invention

[0028] In the figure:

[0029] 1, side plate; 11, door frame;

[0030] 2, expansion structure; 21, connecting column; 22, connecting sleeve; 23, first positioning port; 24, threaded sleeve; 25, clamping plate; 26, T-shaped connecting plate; 27, vertical plate; 28, first insertion plate; 29, first expansion plate; 210, second positioning port; 211, first positioning column; 212, bottom plate; 213, second insertion plate; 214, second expansion plate; 215, third positioning port; 216, second positioning column; 217, top plate; 218, third insertion plate; 219, third expansion plate; 220, fourth positioning port; 221, third positioning column;

[0031] 3. Assembly structure; 31. Connecting piece; 32. First slot; 33. First connecting hole; 34. Second slot; 35. Second connecting hole; 36. Positioning plate; 37. First threaded hole; 38. Third connecting hole; 39. First plug; 310. Second threaded hole; 311. Connecting rod; 312. Second plug; 313. Third threaded hole; 314. Column; 315. Third plug; 316. Fourth threaded hole; 317. Pressure plate; 318. Splicing block; 319. First splicing groove; 320. Second splicing groove; 321. First threaded post; 322. Second threaded post; 323. Fourth connecting hole; 324. Fifth connecting hole;

[0032] 4. Support structure; 41. Fixed column; 42. Mounting plate; 43. Electric push rod; 44. Support leg; 45. Support plate; 46. Ground nail. Detailed implementation mode

[0033] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0034] Embodiment 1

[0035] As Figures 1 to 10 shown;

[0036] In order to adjust the floor space of the house, this multifunctional modular prefabricated house includes symmetrically arranged side plates 1. An expansion structure 2 is provided at the bottom end of the side plate 1. An assembly structure 3 is provided on the expansion structure 2. Support structures 4 are symmetrically arranged on both sides of the side plate 1. A door frame 11 is provided on any one of the side plates 1;

[0037] The expansion structure 2 includes symmetrically arranged connecting columns 21. Connecting sleeves 22 are symmetrically arranged on the outer sides of the connecting columns 21. Threaded sleeves 24 are fixedly connected to both sides of the top and bottom surfaces of the connecting columns 21. First positioning ports 23 are symmetrically arranged on the connecting sleeves 22. The threaded sleeves 24 are respectively arranged in the adjacent first positioning ports 23. Clamping plates 25 are symmetrically arranged on the outer sides of the connecting sleeves 22 near the threaded sleeves 24. The clamping plates 25 are fixedly connected to the adjacent threaded sleeves 24 through bolts. The mutually adjacent clamping plates 25 are fixedly connected through bolts. T-shaped connecting plates 26 are arranged on the top surfaces of the connecting columns 21. Vertical plates 27 are fixedly connected to the top surfaces of the T-shaped connecting plates 26.

[0038] In this implementation: According to the actual situation of the use site, the occupied space of the house can be adjusted. First, disassemble the bolts on the clamping plate 25 and the threaded sleeve 24 so that the clamping plate 25 no longer clamps and limits the connecting sleeve 22. Then, the connecting sleeves 22 on both sides can be moved to adjust the overall width before assembly. After the adjustment is completed, reset the bolts on the clamping plate 25 so that the clamping plate 25 clamps and limits the connecting sleeve 22 to prevent it from moving randomly during use. Then, when assembling the house, the house can be assembled according to the adjusted width, so that the prefabricated house can adapt to different use scenarios and improve the convenience during use.

[0039] Furthermore:

[0040] In an alternative embodiment, first insertion plates 28 are symmetrically arranged on both sides of the vertical plate 27. Second extension plates 29 are arranged on the outer sides of the first insertion plates 28. Second positioning ports 210 are symmetrically arranged on the second extension plates 29. First positioning columns 211 are fixedly connected to the positions of the first insertion plates 28 close to the second positioning ports 210. The first positioning columns 211 are respectively arranged in the adjacent second positioning ports 210. A bottom plate 212 is arranged between the connecting columns 21. Second insertion plates 213 are symmetrically arranged on both sides of the bottom plate 212. Second extension plates 214 are arranged on the outer sides of the second insertion plates 213. Third positioning ports 215 are symmetrically arranged on the second extension plates 214. Second positioning columns 216 are fixedly connected to the positions of the second insertion plates 213 close to the third positioning ports 215. The second positioning columns 216 are respectively arranged in the adjacent third positioning ports 215. A top plate 217 is arranged at the top of the bottom plate 212. Third insertion plates 218 are symmetrically arranged on both sides of the top plate 217. Third extension plates 219 are arranged on the outer sides of the third insertion plates 218. Fourth positioning ports 220 are symmetrically arranged on the third extension plates 219. Third positioning columns 221 are fixedly connected to the positions of the third insertion plates 218 close to the fourth positioning ports 220. The third positioning columns 221 are respectively arranged in the adjacent fourth positioning ports 220.

[0041] In this embodiment: The second extension plates 29 on both sides of the vertical plate 27 can move horizontally on the first insertion plates 28, the second extension plates 214 on both sides of the bottom plate 212 can move horizontally on the second insertion plates 213, and the third extension plates 219 on both sides of the top plate 217 can move horizontally on the third insertion plates 218, so that the second extension plates 29, the second extension plates 214 and the third extension plates 219 can still adapt to the assembly after the width of the house is adjusted.

[0042] Furthermore:

[0043] In an alternative embodiment, the assembly structure 3 includes a plurality of connecting members 31. Both ends of the connecting member 31 are provided with first slots 32. First connecting holes 33 are symmetrically arranged at positions of the connecting member 31 close to the first slots 32. Second slots 34 are arranged at the tops of the connecting members 31. Second connecting holes 35 are arranged at positions of the connecting member 31 close to the second slots 34. Positioning plates 36 are fixedly connected to the inner corners of the connecting members 31. The second extension plates 214 are arranged on the top surfaces of the positioning plates 36. Connecting rods 311 are arranged on the sides of the second extension plates 214 away from each other. Second plug blocks 312 are fixedly connected to both ends of the connecting rod 311. The second plug blocks 312 are respectively arranged in the adjacent first slots 32. Third threaded holes 313 are arranged at positions of the second plug blocks 312 close to the first connecting holes 33. First threaded holes 37 are arranged on the connecting columns 21. Third connecting holes 38 are arranged at positions of the T-shaped connecting plates 26 close to the first threaded holes 37. First plug blocks 39 are fixedly connected to the sides of the connecting sleeves 22 away from each other. Second threaded holes 310 are arranged at positions of the first plug blocks 39 close to the first connecting holes 33.

[0044] In this embodiment: After the preset width of the house is adjusted, the house can be assembled. During assembly, first, the connecting rods 311 are arranged on both sides, and the second plug blocks 312 on the connecting rods 311 are inserted into the adjacent first slots 32. Then, bolts are used to pass through the first connecting holes 33 and the third threaded holes 313 to fix the connecting rods 311. Then, the connecting columns 21 are arranged between the connecting members 31, and the first plug blocks 39 on the connecting sleeves 22 are inserted into the adjacent first slots 32. Then, the adjusted second extension plates 214 are placed on the positioning plates 36, thus completing the assembly of the bottom frame of the house.

[0045] Furthermore:

[0046] In an alternative embodiment, columns 314 are arranged on the top surfaces of the connecting members 31. Third plug blocks 315 are fixedly connected to the bottom surfaces of the columns 314. The third plug blocks 315 are respectively arranged in the adjacent second slots 34. Fourth threaded holes 316 are arranged at positions of the third plug blocks 315 close to the second connecting holes 35. Pressing plates 317 are fixedly connected to the bottom positions of the columns 314. The pressing plates 317 are respectively arranged on the top surfaces of the fifth connecting holes 324. Splicing blocks 318 are arranged on the columns 314. First splicing grooves 319 are arranged on the sides of the first extension plates 29 close to the columns 314. The splicing blocks 318 close to the first splicing grooves 319 are arranged in the first splicing grooves 319. Second splicing grooves 320 are symmetrically arranged on both sides of the side plates 1. The splicing blocks 318 close to the second splicing grooves 320 are arranged in the second splicing grooves 320.

[0047] In this embodiment: After completing the assembly of the bottom frame of the house, the third insertion block 315 on the upright column 314 is placed into the second slot 34, and bolts are used to pass through the second connection hole 35 and the fourth threaded hole 316 to fix the upright column 314. After that, the side plate 1 can be placed between the upright columns 314, and the splicing block 318 close to the side plate 1 is arranged in the second splicing groove 320 to complete the assembly of the side plate 1. After that, the first extension plate 29 is placed, and the splicing block 318 close to the first extension plate 29 is arranged in the adjacent first splicing groove 319, thus completing the assembly of the house wall.

[0048] Furthermore:

[0049] In an alternative embodiment, first threaded columns 321 are fixedly connected to the top surfaces of the upright columns 314, second threaded columns 322 are fixedly connected to the top surfaces of the vertical plates 27, fourth connection holes 323 are symmetrically arranged on the top plates 217, the second threaded columns 322 are arranged in the adjacent fourth connection holes 323, fifth connection holes 324 are symmetrically arranged on the third extension plates 219, and the second threaded columns 322 are respectively arranged in the adjacent fifth connection holes 324.

[0050] In this embodiment: After completing the assembly of the house wall, the top plate 217 is placed on the top surface of the vertical plate 27, so that the second threaded column 322 is arranged in the fourth connection hole 323, and at the same time the first threaded column 321 is arranged in the adjacent fifth connection hole 324, and nuts are used on the first threaded column 321 and the second threaded column 322 to fix the top plate 217 and the third extension plate 219, thus completing the assembly of the house roof, enabling the assembly of the house to be carried out more conveniently, and the connection is stable, firm and reliable.

[0051] Furthermore:

[0052] In an alternative embodiment, the support structure 4 includes fixed columns 41, the fixed columns 41 are fixedly connected to the bottom surfaces of the connecting members 31, mounting plates 42 are fixedly connected to the bottom surfaces of the fixed columns 41, electric push rods 43 are mounted on the top surfaces of the mounting plates 42, support legs 44 are fixedly connected to the output shafts of the electric push rods 43, the bottom ends of the support legs 44 are movably connected to support plates 45, and ground nails 46 are rotatably connected to positions of the mounting plates 42 close to the electric push rods 43.

[0053] In this embodiment: After the house is assembled, according to the level condition of the ground where the house is located, the electric push rod 43 is used to adjust the positions of the support leg 44 and the support plate 45, so as to level the whole house, ensure the levelness of the house, and the support plate 45 can adapt to a partially inclined ground, facilitating the support of the house, and the ground nail 46 can be inserted into the ground to improve the stability of the house fixation, thus improving the wind resistance effect of the house.

[0054] Working principle and usage process of the present invention: According to the actual situation of the use site, adjust the occupied space of the house. First, disassemble the bolts on the clamping plate 25 and the threaded sleeve 24 so that the clamping plate 25 no longer clamps and limits the connecting sleeve 22. Then, the connecting sleeves 22 on both sides can be moved to adjust the overall width before assembly. After the adjustment is completed, reset the bolts on the clamping plate 25 to make the clamping plate 25 clamp and limit the connecting sleeve 22 to prevent it from moving randomly during use. Then, move and adjust the first extension plate 29, the second extension plate 214, and the third extension plate 219 so that they can still adapt to the assembly after the width of the house is adjusted. Then, when assembling the house, the house can be assembled according to the adjusted width, so that the prefabricated house can adapt to different use scenarios and improve the convenience during use. During assembly, first, set the connecting rod 311 on both sides and make the second plug 312 on the connecting rod 311 enter the first slot 32 that is close. Then, use bolts to pass through the first connection hole 33 and the third threaded hole 313 to fix the connecting rod 311. Then, set the connecting column 21 between the connectors 31 and make the first plug 39 on the connecting sleeve 22 enter the first slot 32 that is close. Then, place the adjusted second extension plate 214 on the positioning plate 36 to complete the assembly of the bottom frame of the house. After the assembly of the bottom frame of the house is completed, put the third plug 315 on the column 314 into the second slot 34 and use bolts to pass through the second connection hole 35 and the fourth threaded hole 316 to fix the column 314. Then, then the side plate 1 can be placed between the columns 314 and make the splicing block 318 close to the side plate 1 be set in the second splicing groove 320 to complete the assembly of the side plate 1. Then, place the first extension plate 29 and make the splicing block 318 close to the first extension plate 29 be set in the first splicing groove 319 that is close to complete the assembly of the house wall. After the assembly of the house wall is completed, place the top plate 217 on the top surface of the vertical plate 27, make the second threaded column 322 be set in the fourth connection hole 323, and at the same time make the first threaded column 321 be set in the fifth connection hole 324 that is close, and use nuts on the first threaded column 321 and the second threaded column 322 to fix the top plate 217 and the third extension plate 219 to complete the assembly of the house roof, so that the assembly of the house can be carried out more conveniently, and the connection is stable, firm and reliable. After the house is assembled, according to the horizontal situation of the ground where the house is located, use the electric push rod 43 to adjust the positions of the support legs 44 and the support plate 45 to level the whole house and ensure the levelness of the house. And the support plate 45 can adapt to some inclined ground to facilitate the support of the house.

[0055] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A multi-functional modular prefabricated house, comprising symmetrically arranged side plates (1), characterized in that: The bottom end of the side plate (1) is provided with an expansion structure (2), an assembly structure (3) is arranged on the expansion structure (2), support structures (4) are symmetrically arranged on both sides of the side plate (1), and a door frame (11) is arranged on any one side of the side plate (1); The expansion structure (2) includes connecting columns (21) symmetrically arranged. Connecting sleeves (22) are symmetrically arranged on the outer sides of the connecting columns (21). Threaded sleeves (24) are fixedly connected to both sides of the top and bottom surfaces of the connecting columns (21). First positioning ports (23) are symmetrically arranged on the connecting sleeves (22). The threaded sleeves (24) are respectively arranged in the adjacent first positioning ports (23). Clamping plates (25) are symmetrically arranged on the outer sides of the connecting sleeves (22) near the threaded sleeves (24). The clamping plates (25) are fixedly connected to the adjacent threaded sleeves (24) by bolts. The mutually adjacent clamping plates (25) are fixedly connected by bolts. T-shaped connecting plates (26) are arranged on the top surfaces of the connecting columns (21). Vertical plates (27) are fixedly connected to the top surfaces of the T-shaped connecting plates (26).

2. A multi-functional modular prefabricated house according to claim 1, characterized in that: First insertion plates (28) are symmetrically arranged on both sides of the vertical plate (27). First expansion plates (29) are arranged on the outer sides of the first insertion plates (28). Second positioning ports (210) are symmetrically arranged on the first expansion plates (29). First positioning columns (211) are fixedly connected to the positions of the first insertion plates (28) close to the second positioning ports (210). The first positioning columns (211) are respectively arranged in the adjacent second positioning ports (210).

3. The multifunctional modular prefabricated house according to claim 2, characterized in that: A bottom plate (212) is arranged between the connecting columns (21). Second insertion plates (213) are symmetrically arranged on both sides of the bottom plate (212). Second expansion plates (214) are arranged on the outer sides of the second insertion plates (213). Third positioning ports (215) are symmetrically arranged on the second expansion plates (214). Second positioning columns (216) are fixedly connected to the positions of the second insertion plates (213) close to the third positioning ports (215). The second positioning columns (216) are respectively arranged in the adjacent third positioning ports (215).

4. A multi-functional modular prefabricated house according to claim 3, characterized in that: A top plate (217) is arranged at the top end of the bottom plate (212). Third insertion plates (218) are symmetrically arranged on both sides of the top plate (217). Third expansion plates (219) are arranged on the outer sides of the third insertion plates (218). Fourth positioning ports (220) are symmetrically arranged on the third expansion plates (219). Third positioning columns (221) are fixedly connected to the positions of the third insertion plates (218) close to the fourth positioning ports (220). The third positioning columns (221) are respectively arranged in the adjacent fourth positioning ports (220).

5. A multifunctional modular prefabricated house according to claim 4, characterized in that: The assembly structure (3) includes a plurality of connecting members (31). Both ends of the connecting member (31) are provided with first slots (32). First connecting holes (33) are symmetrically arranged at positions of the connecting member (31) close to the first slots (32). Second slots (34) are arranged at the tops of the connecting members (31). Second connecting holes (35) are arranged at positions of the connecting member (31) close to the second slots (34). Positioning plates (36) are fixedly connected to the inner corners of the connecting members (31). The second extension plate (214) is arranged on the top surface of the positioning plate (36).

6. The multifunctional modular prefabricated house according to claim 5, wherein: Columns (314) are arranged on the top surfaces of the connecting members (31). Third insertion blocks (315) are fixedly connected to the bottom surfaces of the columns (314). The third insertion blocks (315) are respectively arranged in the adjacent second slots (34). Fourth threaded holes (316) are arranged at positions of the third insertion blocks (315) close to the second connecting holes (35). Pressing plates (317) are fixedly connected to the bottom positions of the columns (314). The pressing plates (317) are respectively arranged on the top surfaces of the fifth connecting holes (324). Splicing blocks (318) are arranged on the columns (314).

7. A multi-functional modular prefabricated house according to claim 6, characterized in that: First splicing grooves (319) are arranged on one side of the first extension plate (29) close to the columns (314). The splicing blocks (318) close to the first splicing grooves (319) are arranged in the first splicing grooves (319). Second splicing grooves (320) are symmetrically arranged on both sides of the side plate (1). The splicing blocks (318) close to the second splicing grooves (320) are arranged in the second splicing grooves (320).

8. A multi-functional modular prefabricated house according to claim 5, characterized in that: Connecting rods (311) are arranged on the mutually remote sides of the second extension plates (214). Second insertion blocks (312) are fixedly connected to both ends of the connecting rods (311). The second insertion blocks (312) are respectively arranged in the adjacent first slots (32). Third threaded holes (313) are arranged at positions of the second insertion blocks (312) close to the first connecting holes (33). First threaded holes (37) are arranged on the connecting columns (21). Third connecting holes (38) are arranged at positions of the T-shaped connecting plates (26) close to the first threaded holes (37). First insertion blocks (39) are fixedly connected to the mutually remote sides of the connecting sleeves (22). Second threaded holes (310) are arranged at positions of the first insertion blocks (39) close to the first connecting holes (33).

9. A multi-functional modular prefabricated house according to claim 6, characterized in that: First threaded columns (321) are fixedly connected to the top surfaces of the columns (314). Second threaded columns (322) are fixedly connected to the top surfaces of the vertical plates (27). Fourth connecting holes (323) are symmetrically arranged on the top plates (217). The second threaded columns (322) are arranged in the adjacent fourth connecting holes (323). Fifth connecting holes (324) are symmetrically arranged on the third extension plates (219). The second threaded columns (322) are respectively arranged in the adjacent fifth connecting holes (324).

10. A multifunctional modular prefabricated house according to claim 5, characterized in that: The support structure (4) includes fixed columns (41), the fixed columns (41) are fixedly connected to the bottom surface of the connecting member (31), mounting plates (42) are fixedly connected to the bottom surfaces of the fixed columns (41), electric push rods (43) are mounted on the top surfaces of the mounting plates (42), support legs (44) are fixedly connected to the output shafts of the electric push rods (43), the bottom ends of the support legs (44) are movably connected to support plates (45), and ground nails (46) are rotatably connected to positions of the mounting plates (42) close to the electric push rods (43).

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