Stair preassembling structure

Abstract

The utility model relates to the technical field of stairs, and provides a stair preassembling structure which comprises a square frame, square blocks are fixedly connected to the top of the outer surface, close to the periphery, of the square frame, first threaded rods are movably embedded into the inner walls of the multiple square blocks, and a square plate is arranged at the top of the outer surface of the square frame. The square plate is taken up and then placed over the square frame, then the first threaded rods on the periphery are rotated to move on the inner wall of the square block, the first threaded rods drive the round blocks to move towards the square plate after moving, the square plate can be fixed after moving, and the square plate and the square frame form a whole after being firmly fixed. The lifting column is inserted into the hollow column on the other square frame, the insertion depth can be adjusted according to the height of the step needing to be installed after insertion, the deeper the step inserted into the hollow column is, the lower the height of the step is, and the shallower the step inserted into the hollow column is, the higher the height between the steps is.

Description

TECHNICAL FIELD

[0001] The utility model relates to stair technology field especially relates to a stair preassembly structure. BACKGROUND

[0002] Traditional cast-in-place stair construction consumes too long time, and the construction of stair is undoubtedly one of the most complex, most testing worker construction level and most time-consuming work parts.

[0003] Traditional cast-in-place stair construction needs to carry out measurement and line laying, supports stair bottom mould, rest platform bottom mould, binds the bottom transverse and longitudinal stress reinforcement of stair board, supports the side mould of stair, binds the upper reinforcement of negative reinforcement and stair board, supports step template, concealed acceptance, pours concrete, maintains, demolishes mould, continues to pour water maintenance and a series of steps, the process is very complex, not only consumes a large amount of formwork, and the technology is difficult to control, often causes the problem that the construction progress is stuck on the stair construction after the completion of each layer main building construction.

[0004] Utility model content.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a stair preassembly structure, including: square frame, the outer surface top of square frame near four around is fixedly connected with block, the inner wall of multiple block is movably embedded with threaded rod one, the outer surface top of square frame is provided with square plate, one end of multiple threaded rod one is fixedly connected with round block, multiple round blocks are movably connected around square plate.

[0006] The technical effect of the further scheme is: after the square plate is taken up and placed above the square frame, then the threaded rod one around is rotated and moves in the inner wall of the block, after moving, the threaded rod one drives the round block to move towards the square plate, after moving, the square plate can be fixed, after firm fixation, the square plate and the square frame form an integral whole.

[0007] As a preferred embodiment, the outer surface top of the square frame is fixedly connected with two hollow columns, the outer surface near the top of the two hollow columns is fixedly connected with L plate, the inside of the two L plates is movably embedded with threaded rod two.

[0008] The technical effect of the further scheme is: by rotating the threaded rod two in the inside of the lifting column, so that the threaded rod two moves towards the direction of the clamping hole one, after moving, it is clamped into the inside of the clamping hole one, and the lifting column is inserted into the hollow column and is limited.

[0009] As a preferred embodiment, the outer surface bottom of the square frame away from the two hollow columns is fixedly connected with two lifting columns, the outer surface of the two lifting columns is provided with multiple clamping holes one.

[0010] The technical effect of the further scheme is that the lifting column is inserted into the hollow column of the other square frame, and the depth of insertion can be adjusted according to the height of the steps to be installed, the deeper the insertion into the hollow column, the lower the height of the steps, and the shallower the insertion into the hollow column, the higher the height between the steps.

[0011] As a preferred embodiment, the two threaded rods are movably embedded in the two first clamping holes, the square frame is fixedly connected with side plates on both sides of the outer surface, and the top of the outer surface of the two side plates is fixedly connected with two protective columns.

[0012] The technical effect of the further scheme is that the hollow protective column is sleeved on the outer surface of the protective column, and then two adjacent clamping rods are pressed at the same time, so that the spring and the damper are retracted inward, and the clamping rod slides on the inner wall of the hollow protective column.

[0013] As a preferred embodiment, the inner wall of the top of the protective column is movably embedded with two clamping rods, and the outer surface of the opposite side of the clamping rod is fixedly connected with a spring.

[0014] The technical effect of the further scheme is that the clamping rod is clamped in the second clamping hole to limit the hollow protective column.

[0015] As a preferred embodiment, the outer surface of the opposite side of the clamping rod is fixedly connected with a damper, the damper is located in the spring, the outer surface of the protective column is movably sleeved with a hollow protective column, and the outer surface of the hollow protective column is provided with a plurality of second clamping holes.

[0016] The technical effect of the further scheme is that the height of the horizontal rod can be adjusted by pressing the clamping rod into the second clamping hole, which is suitable for most people's height and convenient for people to hold the horizontal rod when going upstairs.

[0017] As a preferred embodiment, the clamping rod is movably embedded in the second clamping hole, the top of the protective column is fixedly connected with a hollow block, and the horizontal rod is movably embedded in the hollow block.

[0018] The technical effect of the further scheme is that the horizontal rod is inserted into the hollow block, which can protect people when going upstairs.

[0019] Compared with the prior art, the advantages and positive effects of the utility model lie in that

[0020] The utility model discloses, when using, the square board is placed to the square frame's right above after taking up, then rotates the threaded rod one in the inner wall movement of square, after moving, the threaded rod one drives the round block to move to the direction of square, after moving, can fix to square, after firm fixing, square and square frame form a whole, insert the hollow column's inside on another square frame, after inserting, can adjust the depth of insertion according to the height of the step of installation, the height of the step is lower when inserting to the inside of hollow column deeper, the height between the step is higher when inserting to the inside of hollow column shallower.

[0021] The utility model discloses, when using, through rotating the threaded rod two inside the lift column rotates to make the threaded rod two move to the direction of card hole one, after moving, card to the inside of card hole one, after the lift column is inserted to the hollow column and carries out the location, the hollow column is fixed, after fixing, the hollow protection column is set to the outer surface of protection column, then press two close card bar simultaneously to make spring and damper retract to the inside, and the card bar slides on the inner wall of hollow protection column, and the card bar is clamped in the inside of card hole two and carries out the location to the hollow protection column, insert the horizontal pole to the inside of hollow block, can protect when people go upstairs, can adjust the height of horizontal pole by pressing the card bar to the inside of arbitrary card hole two, adapts to the height of most people, and the people go upstairs and help horizontal pole. DRAWINGS

[0022] Figure 1 A three-dimensional structure schematic diagram of the stair pre-assembly structure is provided for the utility model;

[0023] Figure 2 An enlarged structure schematic diagram of place A of the stair pre-assembly structure is provided for the utility model;

[0024] Figure 3 A protection column internal structure schematic diagram of the stair pre-assembly structure is provided for the utility model;

[0025] Figure 4 A horizontal pole and hollow block connecting structure schematic diagram of the stair pre-assembly structure is provided for the utility model.

[0026] Legend: 101, square frame;102, square;103, threaded rod one;104, square board;105, hollow column;106, L plate;107, threaded rod two;108, lift column;109, card hole one;110, side plate;111, protection column;112, card bar;113, spring;114, damper;115, hollow protection column;116, card hole two;117, hollow block;118, horizontal pole. DETAILED DESCRIPTION

[0027] In order to enable the above-mentioned purposes, features and advantages of the present application to be more clearly understood, the present application will be further described below with reference to the drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0028] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can be practiced in different ways from those described herein, therefore, the present application is not limited to the specific embodiments disclosed in the following description.

[0029] Please refer to Figures 1-4 , the present application provides a kind of stair preloading structure, comprising: square frame 101, square frame 101 is close to the outer surface top of four around and is fixedly connected with block 102, the inner wall of multiple block 102 is movably embedded with threaded rod one 103, the outer surface top of square frame 101 is provided with square plate 104, one end of multiple threaded rod one 103 is fixedly connected with round block, multiple round blocks are movably connected in the four around of square plate 104, square plate 104 is placed to the just above of square frame 101 after being picked up, then threaded rod one 103 around is rotated and moves in the inner wall of block 102, after moving, threaded rod one 103 drives round block to move towards the direction of square plate 104, after moving, square plate 104 can be fixed, after being fixed firmly, square plate 104 and square frame 101 form an entirety.

[0030] As Figures 1-4 Indicated, the outer surface top of square frame 101 is fixedly connected with two hollow columns 105, two hollow columns 105 are fixedly connected with L plate 106 close to the outer surface top thereof, the inside of two L plates 106 is movably embedded with threaded rod two 107, by rotating threaded rod two 107 in the inside of lifting column 108, so that threaded rod two 107 moves towards the direction of clamping hole one 109, after moving, it is inserted into the inside of clamping hole one 109, after lifting column 108 is inserted into hollow column 105, it is positioned.

[0031] As Figures 1-4 Indicated, the outer surface bottom of square frame 101 away from two hollow columns 105 is fixedly connected with two lifting columns 108, the outer surface of two lifting columns 108 is provided with multiple clamping holes one 109, lifting column 108 is inserted into the inside of hollow column 105 on another square frame 101, after insertion, the depth of insertion can be adjusted according to the height of step to be installed, the deeper the insertion into the inside of hollow column 105, the lower the height of step, the shallower the insertion into the inside of hollow column 105, the higher the height between steps.

[0032] As Figures 1-4As shown, the two threaded rods 107 are movably embedded in the two clamping holes 109, the outer surface of the square frame 101 is fixedly connected with two side plates 110, the top of the outer surface of the two side plates 110 is fixedly connected with two protective columns 111, the hollow protective column 115 is sleeved on the outer surface of the protective column 111, and then the two adjacent clamping rods 112 are pressed at the same time, so that the spring 113 and the damper 114 are telescopic inward, and the clamping rod 112 slides on the inner wall of the hollow protective column 115.

[0033] As shown in Figures 1-4 The inner wall of the top of the plurality of protective columns 111 is movably embedded with two clamping rods 112, the outer surface of the opposite side of the plurality of clamping rods 112 is fixedly connected with a spring 113, and the clamping rod 112 is clamped in the clamping hole 116 to limit the hollow protective column 115.

[0034] As shown in Figures 1-4 The outer surface of the plurality of protective columns 111 is movably sleeved with a hollow protective column 115, and the outer surface of the plurality of hollow protective columns 115 is provided with a plurality of clamping holes 116, the height of the cross rod 118 can be adjusted by pressing the clamping rod 112 into the inner wall of the clamping hole 116, and the height of the cross rod 118 can be adjusted by pressing the clamping rod 112 into the inner wall of the clamping hole 116. Adapt to the height of most people, convenient for people to hold the cross rod 118 when going upstairs.

[0035] As shown in Figures 1-4 The inner wall of the plurality of clamping rods 112 is movably embedded in the plurality of clamping holes 116, the top of the plurality of protective columns 111 is fixedly connected with a hollow block 117, and the inner wall of the plurality of hollow blocks 117 is movably embedded with a cross rod 118. The cross rod 118 is inserted into the inner wall of the hollow block 117, which can protect people when going upstairs.

[0036] Working principle: after taking the square plate 104, place it above the square frame 101, then rotate the four threaded rods 103 on the inner wall of the square block 102, move the circular block in the direction of the square plate 104, then fix the square plate 104, after fixing, the square plate 104 and the square frame 101 form a whole, insert the lifting column 108 into the hollow column 105 on the other square frame 101, then adjust the depth of insertion according to the height of the steps to be installed, the deeper the insertion into the hollow column 105, the lower the height of the steps, the shallower the insertion into the hollow column 105, the higher the height between the steps, rotate the threaded rod 107 in the lifting column 108, so that the threaded rod 107 moves in the direction of the clamping hole 109, then clamps into the clamping hole 109, limits the insertion of the lifting column 108 into the hollow column 105, fixes the hollow column 105, then sets the hollow protective column 115 on the outer surface of the protective column 111, then presses the two adjacent clamping rods 112 at the same time, so that the spring 113 and the damper 114 stretch and retract, the clamping rod 112 slides on the inner wall of the hollow protective column 115, and the clamping rod 112 is clamped in the clamping hole 116 to limit the hollow protective column 115, inserts the cross rod 118 into the hollow block 117, which can protect people when going upstairs, and can adjust the height of the cross rod 118 by pressing the clamping rod 112 into any clamping hole 116, which is suitable for most people's height and convenient for people to hold the cross rod 118 when going upstairs.

[0037] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments without departing from the technical scheme of the present application, according to the technical essence of the present application, still belongs to the protection scope of the present application.

Claims

1. A stair pre-assembly structure, characterized by, Include: The square frame (101) is fixedly connected with a square block (102) on the top of the outer surface near the four sides, the inner wall of the plurality of square blocks (102) is movably embedded with a threaded rod one (103), the outer surface top of the square frame (101) is provided with a square plate (104), one end of the plurality of threaded rods one (103) is fixedly connected with a round block, and the plurality of round blocks are movably connected on the four sides of the square plate (104).

2. A stair pre-assembly according to claim 1, wherein: The outer surface top of the square frame (101) is fixedly connected with two hollow columns (105), two L plates (106) are fixedly connected on the outer surface near the top of the two hollow columns (105), and the inner part of the two L plates (106) is movably embedded with a threaded rod two (107).

3. A stair pre-assembly according to claim 2, wherein: The outer surface bottom of the square frame (101) is fixedly connected with two lifting columns (108) away from the two hollow columns (105), and a plurality of clamping holes one (109) are formed on the outer surface of the two lifting columns (108).

4. A stair pre-assembly according to claim 3, wherein: The two threaded rods two (107) are movably embedded in the inner part of the two clamping holes one (109), the outer surface of the square frame (101) is fixedly connected with a side plate (110) on both sides, and the top of the outer surface of the two side plates (110) is fixedly connected with two protection columns (111).

5. A stair pre-assembly according to claim 4, wherein: The inner wall of the plurality of protection columns (111) near the top is movably embedded with two clamping rods (112), and the outer surface of the opposite side of the plurality of clamping rods (112) is fixedly connected with a spring (113).

6. A stair pre-assembly according to claim 5, wherein: The outer surface of the opposite side of the plurality of clamping rods (112) is fixedly connected with a damper (114), and the plurality of dampers (114) are located in the inner part of the plurality of springs (113).

7. A stair pre-assembly according to claim 6, wherein: The outer surface of the plurality of protection columns (111) is movably sleeved with a hollow protection column (115), and the outer surface of the plurality of hollow protection columns (115) is provided with a plurality of clamping holes two (116).

8. A stair pre-assembly according to claim 7, wherein: The plurality of clamping rods (112) are movably embedded in the inner part of the plurality of clamping holes two (116), the top of the plurality of protection columns (111) is fixedly connected with a hollow block (117), and the inner part of the plurality of hollow blocks (117) is movably embedded with a cross rod (118).

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