Quickly-assembled combined house

Abstract

The utility model relates to the field of combined houses, in particular to a fast-assembly combined house which is provided with a first-layer space formed by combining a bottom plate, side wall plates and a top plate. The top wall plate and the top plate are combined to form a second-layer space located at the upper end of the first-layer space. A mounting groove is formed in the bottom plate, a stair assembly is arranged in the mounting groove, the stair assembly comprises a first stair block and a second stair block, the first stair block is rotationally arranged in the mounting groove, the first stair block is rotationally connected with the second stair block through a rotating assembly, the rotating assembly comprises a supporting seat and a supporting rod, and the supporting seat is slidably connected to the middle of the supporting rod in a sleeving mode; limiting blocks capable of being in limiting fit with the supporting seat are fixedly arranged at the left end and the right end of the supporting rod. The top plate is provided with a channel communicated with the first-layer space and the second-layer space, the channel is rotationally provided with a turning plate capable of closing the channel, and the stair can be rotated out from the bottom and is suitable for people of different heights.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of combined house, especially quick -witted combined house of a kind of. BACKGROUND

[0002] Telescopic stairs are stairs that can be freely stretched without relying on anything, with the advantages of convenient carrying and storage, and are often used in home decoration projects.

[0003] In the process of installing quick -witted house, the house with two -story space is built, and the two -story space is used as storage or sightseeing space, at this time, telescopic stairs can be used as the medium connecting the first -story space and the second -story space. The telescopic stairs that are popular on the market mainly have three types: manual telescopic stairs, electric telescopic stairs and side-mounted telescopic stairs. Regardless of the type of telescopic stairs, the floor needs to be turned over when in use, and the telescopic stairs body is exposed. When people with low height use it, it is difficult to turn over the floor, and the use is blocked. INVENTION CONTENTS

[0004] The utility model aims at providing a kind of quick -witted combined house, can be rotated from bottom Stair, suitable for different height crowds.

[0005] The technical scheme for realizing the utility model is: the utility model has a first -story space formed by bottom plate, side wall plate and top plate combination;It is also provided with top wall plate, and the top wall plate and the top plate combination form the second -story space located at the upper end of the first -story space;The bottom plate is provided with mounting groove, and the inside of the mounting groove is provided with stair assembly, the stair assembly includes first ladder block and second ladder block, one end of the first ladder block is rotatably arranged in the inside of the mounting groove, the other end of the first ladder block is rotatably connected with one end of the second ladder block through rotating assembly, the second ladder block can be folded on the side of the first ladder block facing the bottom plate through the rotatable connection with the first ladder block, the rotating assembly includes a plurality of support seats fixedly arranged on the first ladder block and uniformly spaced, and a support rod fixedly arranged on the second ladder block, each support seat is simultaneously slidably sleeved on the middle part of the support rod, and the left and right ends of the support rod are both fixedly provided with limiting block that can form limiting cooperation with the support seat, and the first ladder block is rotatably connected with the second ladder block through the sliding sleeve of the support rod and the support seat;The top plate is provided with passageway communicating the first -story space and the second -story space, the passageway is rotatably provided with flap that can close the passageway, and the other end of the second ladder block can be pressed on the passageway after rotation;It is also provided with driving assembly for driving the first ladder block to rotate and sealing cover for sealing the mounting groove.

[0006] Further, the side wall of the mounting groove is provided with a sliding groove, and the bottom plate is provided with a placing cavity arranged along the extension direction of the mounting groove and communicated with the sliding groove; the driving assembly comprises a driving device, a screw rod, a sliding block and a connecting plate, the driving device is arranged in the placing cavity, one end of the screw rod is fixedly arranged at the driving end of the driving device and can rotate under the driving of the driving device, the other end of the screw rod penetrates out of the placing cavity and extends into the interior of the sliding groove, the sliding block is slidingly arranged in the interior of the sliding groove, the sliding block is provided with a threaded hole capable of threadedly cooperating with the sliding block, and the sliding block is slidingly arranged in the sliding groove through the driving of the driving device and the threaded cooperation of the screw rod and the threaded hole; one end of the connecting plate is rotatably arranged on the first ladder block, and the other end of the connecting plate is rotatably arranged on the side of the sliding block away from the sliding groove, and the driving device drives the first ladder block to rotate through the driving of the screw rod, the threaded cooperation of the screw rod and the threaded hole and the rotation of the connecting plate.

[0007] Further, each support seat is provided with a through hole through which the support rod passes, the support rod is fixedly provided with a positive ratchet tooth arranged around the support rod as an axis, and the hole wall of the through hole is fixedly provided with a reverse ratchet tooth capable of being in clamping cooperation with the positive ratchet tooth; the two sides of the second ladder block are fixedly provided with connecting ends for forming fixed connection with the support rod, and the connecting ends on the two sides form an avoidance space for the second ladder block to avoid each support seat; when the support rod and the support seat form limiting cooperation, the support seat moves in the avoidance space; when the limiting block at the right end of the support rod forms limiting cooperation with the closest support seat, the positive ratchet tooth and the reverse ratchet tooth form clamping cooperation, and the first ladder block and the second ladder block form one-way rotation; when the limiting block at the left end of the support rod forms limiting cooperation with the closest support seat, the positive ratchet tooth and the reverse ratchet tooth are out of clamping cooperation, and the first ladder block and the second ladder block form free rotation.

[0008] Further, the first ladder block and the second ladder block are each provided with an escalator assembly, the escalator assembly comprises a handrail and a plurality of connecting rods, each connecting rod is uniformly arranged along the extension direction of the handrail, one end of each connecting rod is rotatably arranged on the handrail, and the other end of each connecting rod in the escalator assembly on the first ladder block and the second ladder block is rotatably arranged on the corresponding first ladder block and second ladder block respectively, the handrail in the escalator assembly of the first ladder block can be accommodated on the first ladder block through the rotation arrangement of the two ends of the connecting rod, and the handrail in the escalator assembly of the second ladder block can be accommodated on the second ladder block through the rotation arrangement of the two ends of the connecting rod; a plurality of limiting blocks corresponding to each connecting rod and capable of forming limiting cooperation are fixedly arranged on the first ladder block and the second ladder block, and the handrail is fixed through the limiting cooperation of the limiting blocks and the connecting rods.

[0009] Further, the side wall plate comprises a left side plate, a right side plate, a front plate and a back plate, and the top plate is fixedly connected with the left side plate, the right side plate, the front plate and the back plate; the top wall plate comprises a first support plate, a second support plate, a third support plate and a filling plate; the top end of the left side plate is rotatably connected to one end of the first support plate through a first connecting piece, the top end of the right side plate is rotatably connected to one end of the second support plate through a second connecting piece, the other end of the second support plate is rotatably connected to one end of the third support plate through a third connecting piece, the extension direction of the third support plate can be consistent with the extension direction of the second support plate under the rotatable connection of the third connecting piece, the other end of the first support plate is provided with a clamping groove, the other end of the third support plate is provided with a clamping block capable of being clamped with the clamping groove, the first support plate, the second support plate and the third support plate are combined to form a two-layer space communicated with the outside through the connection and clamping of the first connecting piece, the second connecting piece and the third connecting piece and the clamping of the clamping block and the clamping groove, and the filling plate is fixedly connected with the top plate, the first support plate, the second support plate and the third support plate and is used for filling the part of the two-layer space communicated with the outside.

[0010] Further, the first connecting piece, the second connecting piece and the third connecting piece each comprise a first connecting block and a second connecting block, the first connecting block is provided with a rotating groove extending along the extension direction of the first connecting block, and the first connecting block is provided with a rotating lug extending along the extension direction of the first connecting block and capable of being matched with the rotating groove; the top end of the left side plate is rotatably connected to one end of the first support plate through the matching of the rotating groove on the first connecting block of the first connecting piece and the rotating lug on the second connecting block of the first connecting piece, the top end of the right side plate is rotatably connected to one end of the second support plate through the matching of the rotating groove on the first connecting block of the second connecting piece and the rotating lug on the second connecting block of the second connecting piece, and the other end of the second support plate is rotatably connected to one end of the third support plate through the matching of the rotating groove on the first connecting block of the third connecting piece and the rotating lug on the second connecting block of the third connecting piece.

[0011] Further, the horizontal position of the first connecting piece is higher than that of the second connecting piece, when the first support plate, the second support plate and the third support plate do not rotate, the third support plate is stacked on the second support plate, the first support plate is pressed on the third support plate, and the entering space is formed between the first support plate and the top plate.

[0012] The utility model discloses have positive effect: (1) the utility model discloses one end of first ladder piece is rotatably arranged in the inside of mounting groove, and first ladder piece forms rotary connection with one end of second ladder piece through rotating component, and second ladder piece can be folded on the side of first ladder piece towards bottom plate through the rotary connection with first ladder piece, and rotating component includes support seat and support rod, and support seat is slidably sleeved in the middle part of support rod, and the left and right ends of support rod are all fixedly provided with limiting block that can form limiting cooperation with support seat, and first ladder piece forms rotary connection with second ladder piece through the slidable sleeve of support rod and support seat, and first ladder piece is rotatably arranged in the inside of bottom plate, and the rotary setting of second ladder piece prolongs the use length of stair, changes the structure that the existing telescopic stair is telescopic from top plate, and does not need to turn over telescopic stair from top plate from bottom, is applicable to more height difference or inconvenient crowd, and the applicability is wide.

[0013] (2) the utility model discloses drive component includes drive arrangement, screw rod, sliding block and connecting plate, and drive arrangement is arranged in the placing cavity, and one end of screw rod is fixedly arranged in the drive end of drive arrangement and can rotate under the drive of drive arrangement, and the other end of screw rod is out of the placing cavity and extends to the inside of sliding slot, and sliding block is slidably arranged in the inside of sliding slot, and sliding block is equipped with the screw hole that can form the thread cooperation with sliding block, one end of connecting plate is rotatably arranged on first ladder piece, and the other end of connecting plate is rotatably arranged on the side of sliding block towards the outside of sliding slot, and drive arrangement drives first ladder piece to rotate through the drive of screw rod, the thread cooperation of screw rod and screw hole and the rotary connection of connecting plate, and the rotation of first ladder piece is driven through drive arrangement, reduces the possibility of danger when manual turning over, and is more labor-saving.

[0014] (3) the utility model discloses that the through -hole that can supply support rod is set up on each support seat, and the right end of support rod is fixedly provided with the positive ratchet that is circumferentially arranged around the axis of support rod, and the hole wall of through -hole is fixedly provided with the reverse ratchet that can form the clamping cooperation with positive ratchet, when the limiting block of right end of support rod forms limiting cooperation with the closest support seat, positive ratchet and reverse ratchet form clamping cooperation, and the one -way rotation is formed between first ladder piece and second ladder piece, and does not occur when second ladder piece unfolds Reverse, when the limiting block of left end of support rod forms limiting cooperation with the closest support seat, positive ratchet and reverse ratchet are separated from clamping cooperation, and the free rotation is formed between first ladder piece and second ladder piece, and second ladder piece can be rotatably pressed on first ladder piece, and the safety during use is ensured.

[0015] (4) The escalator assembly is arranged on the first ladder block and the second ladder block, the escalator assembly comprises a handrail and a plurality of connecting rods, each connecting rod is uniformly arranged along the extension direction of the handrail, one end of each connecting rod is rotationally arranged on the handrail, a plurality of limiting blocks corresponding to each connecting rod and capable of forming limiting cooperation are fixedly arranged on the first ladder block and the second ladder block, and the handrail is fixed through the limiting cooperation of the limiting blocks and the connecting rods; the handrail is convenient for supporting the user during use, and the handrail is rotationally connected through the connecting rods, so that the handrail can be stored when the stair assembly is used.

[0016] (5) The first supporting plate, the second supporting plate and the third supporting plate are combined to form a two-layer space communicated with the outside through the connecting cooperation of the first connecting piece, the second connecting piece and the third connecting piece and the clamping cooperation of the clamping blocks and the clamping grooves, and the filling plate is simultaneously fixedly connected with the top plate, the first supporting plate, the second supporting plate and the third supporting plate and used for filling the two-layer space and communicating with the outside; the volume of the fast-assembled house during transportation is reduced, and the transportation safety is ensured.

[0017] (6) The horizontal position of the first connecting piece is higher than that of the second connecting piece, when the first supporting plate, the second supporting plate and the third supporting plate do not rotate, the third supporting plate is stacked on the second supporting plate, the first supporting plate is pressed on the third supporting plate, and an entering space is formed between the first supporting plate and the top plate; the entering space can be used by personnel to enter the inside of the fast-assembled house through the stair assembly, the first supporting plate, the second supporting plate and the third supporting plate are conveniently unfolded and fixed through the cooperation of the first connecting piece, the second connecting piece, the third connecting piece, the clamping grooves and the clamping blocks from the inside, and the construction of the fast-assembled house is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to make the content of the utility model more easily understood clearly, the utility model is further explained in detail below according to specific embodiments and in conjunction with the drawings, wherein

[0019] Figure 1 It is the whole structure schematic view of the utility model;

[0020] Figure 2 It is the front view sectional view of the utility model;

[0021] Figure 3 It is the structure schematic view of the rotating assembly of the utility model;

[0022] Figure 4 It is the cooperation schematic view of the positive ratchet and the reverse ratchet of the utility model;

[0023] Figure 5 It is Figure 2 It is the partial enlarged view of A in the utility model;

[0024] Figure 6Fig. 1 is a structural schematic view of the utility model; Figure 2 Fig. 2 is a partial enlarged view of the middle B of Fig. 1;

[0025] Figure 7 Fig. 3 is a partial enlarged view of the middle C of Fig. 1; Figure 2

[0026] Figure 8 Fig. 4 is a partial enlarged view of the middle D of Fig. 1; Figure 2

[0027] Figure 9 Fig. 5 is a structural schematic view of the first connecting piece, the second connecting piece and the third connecting piece of the utility model. DETAILED DESCRIPTION

[0028] Fig. 1 is a structural schematic view of the utility model; Figures 1 to 9 , the utility model has a space formed by the combination of the bottom plate 1, the side wall plate and the top plate 2; a top wall plate 5 is further arranged, and the top wall plate 5 and the top plate 2 combine to form a second floor space at the upper end of the first floor space; the bottom plate 1 is provided with a mounting groove 11, and the inside of the mounting groove 11 is provided with a staircase assembly 6; the staircase assembly 6 comprises a first ladder block 61 and a second ladder block 62; one end of the first ladder block 61 is rotatably arranged in the inside of the mounting groove 11; the other end of the first ladder block 61 is rotatably connected to one end of the second ladder block 62 through a rotating assembly 7; the second ladder block 62 can be folded on the side of the first ladder block 61 facing the bottom plate 1 through the rotatable connection with the first ladder block 61; the rotating assembly 7 comprises a plurality of support seats 71 fixedly arranged on the first ladder block 61 and uniformly and spacedly arranged, and a support rod 72 fixedly arranged on the second ladder block 62; each support seat 71 is simultaneously and slidingly sleeved on the middle part of the support rod 72; a limiting block 73 capable of limiting the support seat 71 is fixedly arranged on the left and right ends of the support rod 72; the first ladder block 61 is rotatably connected to the second ladder block 62 through the sliding sleeve of the support rod 72 and the support seat 71; the top plate 2 is provided with a passageway 21 communicating the first floor space and the second floor space; the passageway 21 is rotatably provided with a flap 22 capable of closing the passageway 21; the other end of the second ladder block 62 can be pressed on the passageway 21 after being rotated; a driving assembly for driving the first ladder block 61 to rotate and a cover for sealing the mounting groove 11 are further arranged.

[0029] The first ladder block 61 is rotatably arranged at the bottom of the mounting groove 11; the length of the first ladder block 61 is 1.5m to 1.6m; and the length of the second ladder block 62 is slightly smaller than the length of the first ladder block 61.

[0030] ​​Further, a sliding groove 111 is arranged on the side wall of the mounting groove 11, and a placing cavity 12 is arranged on the bottom plate 1 and communicates with the sliding groove 111 along the extending direction of the mounting groove 11; the driving assembly comprises a driving device 81, a screw rod 82, a sliding block 83 and a connecting plate 84, the driving device 81 is arranged in the placing cavity 12, one end of the screw rod 82 is fixedly arranged on the driving end of the driving device 81 and can rotate under the driving of the driving device 81, the other end of the screw rod 82 extends into the interior of the sliding groove 111 through the placing cavity 12, the sliding block 83 is slidingly arranged in the interior of the sliding groove 111, a screw hole is arranged on the sliding block 83 and can threadedly cooperate with the sliding block 83, the sliding block 83 is slidingly arranged in the sliding groove 111 through the driving of the driving device 81 and the thread cooperation of the screw rod 82 and the screw hole; one end of the connecting plate 84 is rotatably arranged on the first ladder block 61, the other end of the connecting plate 84 is rotatably arranged on the side of the sliding block 83 away from the sliding groove 111, and the driving device 81 drives the first ladder block 61 to rotate through the driving of the screw rod 82, the thread cooperation of the screw rod 82 and the screw hole and the rotation of the connecting plate 84.

[0031] Each support base 71 is provided with a through hole through which the support rod 72 passes, and the support rod 72 is fixedly provided with a positive ratchet 721 arranged circumferentially around the support rod 72 as an axis, and the hole wall of the through hole is fixedly provided with a reverse ratchet 711 which can be in clamping cooperation with the positive ratchet 721; the two sides of the second ladder block 62 are fixedly provided with connecting ends 621 for forming fixed connection with the support rod 72, and the connecting ends 621 between the two sides form an avoidance space 622 for the second ladder block 62 to avoid each support base 71, and when the support rod 72 and the support base 71 form limiting cooperation, the support base 71 moves in the avoidance space 622; when the limiting block 73 at the right end of the support rod 72 forms limiting cooperation with the closest support base 71, the positive ratchet 721 and the reverse ratchet 711 form clamping cooperation, and the first ladder block 61 and the second ladder block 62 form one-way rotation; when the limiting block 73 at the left end of the support rod 72 forms limiting cooperation with the closest support base 71, the positive ratchet 721 and the reverse ratchet 711 are out of clamping cooperation, and the first ladder block 61 and the second ladder block 62 form free rotation.

[0032] The first ladder block 61 and the second ladder block 62 are each provided with an escalator assembly 9, which includes a handrail 91 and a plurality of connecting rods 92, each of which is arranged uniformly along the extension direction of the handrail 91 and is rotatably arranged at one end of the handrail 91, and the other end of each of the connecting rods 92 in the escalator assembly 9 on the first ladder block 61 and the second ladder block 62 is rotatably arranged on the corresponding first ladder block 61 and the second ladder block 62, respectively, and the handrail 91 in the escalator assembly 9 on the first ladder block 61 can be accommodated on the first ladder block 61 through the rotatable arrangement of the two ends of the connecting rod 92, and the handrail 91 in the escalator assembly 9 on the second ladder block 62 can be accommodated on the second ladder block 62 through the rotatable arrangement of the two ends of the connecting rod 92; a plurality of limiting blocks 93 corresponding to each of the connecting rods 92 and capable of forming limiting cooperation are fixedly arranged on the first ladder block 61 and the second ladder block 62, and the handrail 91 forms fixation through the limiting cooperation of the limiting blocks 93 and the connecting rods 92.

[0033] The side wall plate includes a left side plate 3, a right side plate 4, a front plate and a rear plate, and the top plate 2 is fixedly connected with the left side plate 3, the right side plate 4, the front plate and the rear plate; the top wall plate 5 includes a first support plate 51, a second support plate 52, a third support plate 53 and a filling plate 54; the top end of the left side plate 3 is rotatably connected to one end of the first support plate 51 through a first connecting piece, the top end of the right side plate 4 is rotatably connected to one end of the second support plate 52 through a second connecting piece, the other end of the second support plate 52 is rotatably connected to one end of the third support plate 53 through a third connecting piece, the extension direction of the third support plate 53 can be consistent with the extension direction of the second support plate 52 under the rotatable connection of the third connecting piece, the other end of the first support plate 51 is provided with a clamping groove 511, the other end of the third support plate 53 is provided with a clamping block 531 capable of forming clamping cooperation with the clamping groove 511, and the first support plate 51, the second support plate 52 and the third support plate 53 are combined to form a two-story space communicated with the outside through the connecting cooperation of the first connecting piece, the second connecting piece and the third connecting piece and the clamping cooperation of the clamping block 531 and the clamping groove 511, and the filling plate 54 is fixedly connected with the top plate 2, the first support plate 51, the second support plate 52 and the third support plate 53 and is used to fill the part of the two-story space communicated with the outside.

[0034] The first connecting piece, the second connecting piece and the third connecting piece each comprise a first connecting block 10-1 and a second connecting block 10-2, the first connecting block 10-1 is provided with a rotating groove 10-3 extending along the extension direction of the first connecting block 10-1, and the first connecting block 10-1 is provided with a rotating lug 10-4 extending along the extension direction of the first connecting block 10-1 and capable of cooperating with the rotating groove 10-3; the top end of the left side plate 3 is rotationally connected with one end of the first supporting plate 51 through the cooperation of the rotating groove 10-3 on the first connecting block 10-1 of the first connecting piece and the rotating lug 10-4 on the second connecting block 10-2 of the first connecting piece, the top end of the right side plate 4 is rotationally connected with one end of the second supporting plate 52 through the cooperation of the rotating groove 10-3 on the first connecting block 10-1 of the second connecting piece and the rotating lug 10-4 on the second connecting block 10-2 of the second connecting piece, and the other end of the second supporting plate 52 is rotationally connected with one end of the third supporting plate 53 through the cooperation of the rotating groove 10-3 on the first connecting block 10-1 of the third connecting piece and the rotating lug 10-4 on the second connecting block 10-2 of the third connecting piece.

[0035] The first connecting block 10-1 of the first connecting piece is fixedly arranged on the left side plate 3, and the second connecting block 10-2 of the first connecting piece is fixedly arranged on the first supporting plate 51; the first connecting block 10-1 of the second connecting piece is fixedly arranged on the second supporting plate 52, and the second connecting block 10-2 of the first connecting piece is fixedly arranged on the right side plate 4; the first connecting block 10-1 of the third connecting piece is fixedly arranged on the right side plate 4, and the second connecting block 10-2 of the first connecting piece is fixedly arranged on the third supporting plate 53.

[0036] The rotating groove 10-3 on the first connecting block 10-1 of the first connecting piece and the rotating groove 10-3 on the first connecting block 10-1 of the second connecting piece are arranged towards the inside of the two-story space, and the rotating groove 10-3 on the first connecting block 10-1 of the third connecting piece is arranged towards the outside.

[0037] The horizontal position of the first connecting piece is higher than that of the second connecting piece, when the first supporting plate 51, the second supporting plate 52 and the third supporting plate 53 do not rotate, the third supporting plate 53 is stacked on the second supporting plate 52, the first supporting plate 51 is pressed on the third supporting plate, and an entering space is formed between the first supporting plate 51 and the top plate 2.

[0038] The utility model discloses a working principle: take away the cover on the mounting groove 11, through the rotation of driving device 81, the screw thread cooperation of screw rod 82 and screw hole and the rotation of both ends of connecting rod 92 drive first ladder block 61 to rotate, and first ladder block 61 drives second ladder block 62 synchronous rotation to the position that can provide second ladder block 62 can overturn to the extension direction with the extension direction of first ladder block 61 is consistent, when the limiting block 73 of right -hand end of support rod 72 and the closest support seat 71 form the limit cooperation, the clamping cooperation of positive ratchet tooth 721 on support rod 72 and reverse ratchet tooth 711 on support seat 71, second ladder block 62 utilizes clamping cooperation and rotates on first ladder block 61 one-way, until the extension direction of second ladder block 62 with the extension direction of first ladder block 61 is consistent, in the rotation process, second ladder block 62 can push open the flap 22 on the top plate 2, at this moment, through the rotation of driving device 81, the screw thread cooperation of screw rod 82 and screw hole and the rotation of both ends of connecting rod 92 drive first ladder block 61 to rotate direction, until second ladder block 62 leans to the passage 21, utilize the limit cooperation of limiting block 93 and connecting rod 92 and make the handrail 91 form fixed.

[0039] When needing to fold up the stair assembly 6, the handrail 91 is stored through the rotation of connecting rod 92, first ladder block 61 drives second ladder block 62 synchronous rotation through the rotation of driving device 81, the screw thread cooperation of screw rod 82 and screw hole and the rotation of both ends of connecting rod 92, and first ladder block 61 drives second ladder block 62 synchronous rotation to the position that can provide second ladder block 62 can overturn out of the passage 21, the limiting block 73 of left end of support rod 72 and the closest support seat 71 form the limit cooperation, at this moment, positive ratchet tooth 721 and reverse ratchet tooth 711 are separated from clamping cooperation, and first ladder block 61 and second ladder block 62 form free rotation, and second ladder block 62 is rotated to overlap with first ladder block 61, and first ladder block 61 is rotated into the mounting groove 11 through the rotation of driving device 81, the screw thread cooperation of screw rod 82 and screw hole and the rotation of both ends of connecting rod 92, and the cover is covered, and the storage of the stair assembly 6 can be completed.

[0040] The above-described specific embodiments further illustrate the purpose, technical solutions and beneficial effects of the utility model, and it should be understood that the above-described only is the specific embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A fast-assembly combined house having a one-floor space formed by a bottom plate (1), side wall plates, and a top plate (2); characterized in that: The top wall plate (5) and the top plate (2) combine to form a second floor space at the upper end of a first floor space; the bottom plate (1) is provided with a mounting groove (11), the inside of the mounting groove (11) is provided with a staircase assembly (6), the staircase assembly (6) comprises a first ladder block (61) and a second ladder block (62), one end of the first ladder block (61) is rotatably arranged in the inside of the mounting groove (11), the other end of the first ladder block (61) is rotatably connected with one end of the second ladder block (62) through a rotating assembly (7), the second ladder block (62) can be folded on the side of the first ladder block (61) facing the bottom plate (1) through the rotatable connection with the first ladder block (61), the rotating assembly (7) comprises a plurality of support seats (71) fixedly arranged on the first ladder block (61) and uniformly spaced, and a support rod (72) fixedly arranged on the second ladder block (62), each support seat (71) is simultaneously and slidingly sleeved on the middle part of the support rod (72), the left and right ends of the support rod (72) are both fixedly provided with a limiting block (73) capable of limiting the support seat (71), the first ladder block (61) is rotatably connected with the second ladder block (62) through the sliding sleeve of the support rod (72) and the support seat (71).

2. The fast-assembled combined house according to claim 1, characterized in that: The side wall of the mounting groove (11) is provided with a sliding groove (111), and the bottom plate (1) is provided with a placement cavity (12) arranged along the extension direction of the mounting groove (11) and communicated with the sliding groove (111); the driving assembly comprises a driving device (81), a screw rod (82), a sliding block (83) and a connecting plate (84), the driving device (81) is arranged in the placement cavity (12), one end of the screw rod (82) is fixedly arranged on the driving end of the driving device (81) and can rotate under the driving of the driving device (81), the other end of the screw rod (82) penetrates out of the placement cavity (12) and extends into the inside of the sliding groove (111), the sliding block (83) is slidingly arranged in the inside of the sliding groove (111), the sliding block (83) is provided with a screw hole capable of threadedly cooperating with the sliding block (83), and the sliding block (83) is slidingly arranged in the sliding groove (111) through the driving of the driving device (81) and the thread cooperation of the screw rod (82) and the screw hole; one end of the connecting plate (84) is rotatably arranged on the first ladder block (61), and the other end of the connecting plate (84) is rotatably arranged on the side of the sliding block (83) facing away from the sliding groove (111), and the driving device (81) drives the first ladder block (61) to rotate through the driving of the screw rod (82), the thread cooperation of the screw rod (82) and the screw hole and the rotary connection of the connecting plate (84).

3. The fast-assembled combined house according to claim 1, characterized in that: Each of the support seats (71) is provided with a through hole through which the support rod (72) passes, the support rod (72) is fixedly provided with a positive ratchet (721) circumferentially arranged around the support rod (72) as an axis, and the hole wall of the through hole is fixedly provided with a reverse ratchet (711) capable of being in clamping connection with the positive ratchet (721); the second ladder block (62) is fixedly provided with a connecting end (621) on both sides for forming fixed connection with the support rod (72), the connecting ends (621) on both sides form an avoidance space (622) for the second ladder block (62) to avoid each support seat (71), when the support rod (72) and the support seat (71) form a limiting fit, the support seat (71) moves in the avoidance space (622); when the limiting block (73) at the right end of the support rod (72) forms a limiting fit with the closest support seat (71), the positive ratchet (721) and the reverse ratchet (711) form a clamping fit, and the first ladder block (61) and the second ladder block (62) form one-way rotation; when the limiting block (73) at the left end of the support rod (72) forms a limiting fit with the closest support seat (71), the positive ratchet (721) and the reverse ratchet (711) are disengaged from the clamping fit, and the first ladder block (61) and the second ladder block (62) form free rotation.

4. The fast-assembled combined house according to claim 1, characterized in that: The first ladder block (61) and the second ladder block (62) are each provided with an escalator assembly (9), the escalator assembly (9) comprises a handrail (91) and a plurality of connecting rods (92), each connecting rod (92) is uniformly arranged along the extension direction of the handrail (91), one end of each connecting rod (92) is rotatably arranged on the handrail (91), the other end of each connecting rod (92) in the escalator assembly (9) on the first ladder block (61) and the second ladder block (62) is rotatably arranged on the corresponding first ladder block (61) and the second ladder block (62) respectively, the handrail (91) in the escalator assembly (9) of the first ladder block (61) can be accommodated on the first ladder block (61) through the rotation arrangement of the connecting rods (92) at both ends, and the handrail (91) in the escalator assembly (9) of the second ladder block (62) can be accommodated on the second ladder block (62) through the rotation arrangement of the connecting rods (92) at both ends; a plurality of limiting blocks (93) corresponding to each connecting rod (92) and capable of forming a limiting fit are fixedly arranged on the first ladder block (61) and the second ladder block (62), and the handrail (91) is fixed through the limiting fit of the limiting blocks (93) and the connecting rods (92).

5. The fast-assembled combined house according to claim 1, characterized in that: The side wall plate comprises a left side plate (3), a right side plate (4), a front plate and a rear plate, the top plate (2) is fixedly connected with the left side plate (3), the right side plate (4), the front plate and the rear plate; the top wall plate (5) comprises a first supporting plate (51), a second supporting plate (52), a third supporting plate (53) and a filling plate (54); the top end of the left side plate (3) is rotatably connected to one end of the first supporting plate (51) through a first connecting piece, the top end of the right side plate (4) is rotatably connected to one end of the second supporting plate (52) through a second connecting piece, the other end of the second supporting plate (52) is rotatably connected to one end of the third supporting plate (53) through a third connecting piece, the extending direction of the third supporting plate (53) can be consistent with the extending direction of the second supporting plate (52) under the rotatable connection of the third connecting piece, the other end of the first supporting plate (51) is provided with a clamping groove (511), the other end of the third supporting plate (53) is provided with a clamping block (531) capable of being clamped with the clamping groove (511), the first supporting plate (51), the second supporting plate (52) and the third supporting plate (53) are combined to form a two-layer space communicated with the outside through the connection of the first connecting piece, the second connecting piece and the third connecting piece and the clamping of the clamping block (531) and the clamping groove (511), and the filling plate (54) is fixedly connected with the top plate (2), the first supporting plate (51), the second supporting plate (52) and the third supporting plate (53) and used for filling the part of the two-layer space communicated with the outside.

6. The fast-assembled combined house according to claim 5, characterized in that: The first connecting piece, the second connecting piece and the third connecting piece each comprise a first connecting block (10-1) and a second connecting block (10-2), the first connecting block (10-1) is provided with a rotating groove (10-3) extending along the extending direction of the first connecting block (10-1), and the first connecting block (10-1) is provided with a rotating lug (10-4) extending along the extending direction of the first connecting block (10-1) and capable of being matched with the rotating groove (10-3); the top end of the left side plate (3) is rotatably connected to one end of the first supporting plate (51) through the matching of the rotating groove (10-3) on the first connecting block (10-1) of the first connecting piece and the rotating lug (10-4) on the second connecting block (10-2) of the first connecting piece, the top end of the right side plate (4) is rotatably connected to one end of the second supporting plate (52) through the matching of the rotating groove (10-3) on the first connecting block (10-1) of the second connecting piece and the rotating lug (10-4) on the second connecting block (10-2) of the second connecting piece, and the other end of the second supporting plate (52) is rotatably connected to one end of the third supporting plate (53) through the matching of the rotating groove (10-3) on the first connecting block (10-1) of the third connecting piece and the rotating lug (10-4) on the second connecting block (10-2) of the third connecting piece.

7. The fast-assembled combined house according to claim 5, characterized in that: The horizontal position of the first connecting piece is higher than that of the second connecting piece, the third support plate (53) is stacked on the second support plate (52), the first support plate (51) is pressed against the third support plate, and an access space is formed between the first support plate (51) and the top plate (2) when the first support plate (51), the second support plate (52) and the third support plate (53) do not rotate.

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