CN210798104U

CN210798104U - Variable angle formula stair protector for construction

Info

Publication number: CN210798104U
Application number: CN201921618538.3U
Authority: CN
Inventors: 刘勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-06-19
Anticipated expiration: 2029-09-26

Abstract

The utility model belongs to the field of building construction, in particular to a variable angle type stair protection device for building construction, aiming at the problem that the angle adjustment of a stair guard fence is needed due to the different angles and spans of the stairs adopted by different projects, the utility model provides a scheme which comprises a stair main body, a first upright post and a second upright post, wherein one end of the first upright post, which is symmetrically and rotationally connected with two first connecting rods, is rotationally connected with one side of the second upright post, a plurality of second connecting rods are rotationally connected between the two first connecting rods at equal intervals, and a fixed seat is fixedly connected with the bottom of the first upright post, the diversity is greatly improved.

Description

Variable angle formula stair protector for construction

Technical Field

The utility model relates to a construction technical field especially relates to a variable angle formula stair protector for construction.

Background

In the field of building engineering, after the construction of an external frame of a built building is completed, the interior of the building needs to be constructed, equipment, materials and personnel which need to be used in the construction process need to be transported to a high-rise building, stairs are already built in the building, and stair protection devices are generally required to be installed on two sides of the stairs in order to improve safety.

Because the angle and span of the stairs used in different projects are different, the stair guard rail needs to be adjusted in angle, so that the variable-angle stair protection device for building construction is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the stair guardrail needs to be adjusted in angle due to the difference of the stair angle and the span adopted by different projects in the prior art, and providing the variable-angle stair protection device for building construction.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a variable-angle stair protection device for building construction comprises a stair main body, a first upright post and a second upright post, wherein one side of the first upright post is symmetrically and rotatably connected with two first connecting rods, one end of each first connecting rod is rotatably connected with one side of the second upright post, a plurality of second connecting rods are rotatably connected between the two first connecting rods at equal intervals, the bottom of the first upright post is fixedly connected with a fixed seat, a fixed cavity is arranged on the fixed seat, a rotating shaft is rotatably connected on the inner wall of one side of the fixed cavity, two movable plates are symmetrically and threadedly connected on the rotating shaft, the threads of the two movable plates are opposite, a sliding plate is slidably connected in the fixed cavity, the bottom of the sliding plate is fixedly connected with a triangular plate, the tops of the two movable plates are respectively slidably connected with the two sides of the triangular plate, the bottom of the first upright post penetrates through the top of the fixed, the bottom of first stand and the top fixed connection of sliding plate can make two first connecting rods and second connecting rod take place to rotate through the axis of rotation, and then can adjust the angle between first stand and the second stand, just so can adapt to different angles and span stair main part, have improved the variety greatly, have solved the not enough that exists among the prior art.

Preferably, the sliding groove is formed in the inner wall of the bottom of the fixed cavity, the bottoms of the two moving plates extend into the sliding groove and are in sliding connection with the inner wall of the bottom of the sliding groove, the sliding groove is formed, the moving plates can slide better, and the moving plates cannot rotate along with the rotating shaft.

Preferably, the top of sliding plate symmetry fixedly connected with two second springs, the top of two second springs all with fixed cavity's top inner wall fixed connection, set up the second spring, can cushion the sliding plate, and can provide the power that resets for the sliding plate.

Preferably, the one end of pivot runs through the opposite side inner wall of fixed cavity and extends to one side of fixing base, fixed cover is equipped with interior ring gear in the pivot, the meshing has outer ring gear on the interior ring gear, and through the meshing of interior ring gear and outer ring gear, can carry out spacingly to the pivot, prevents that the pivot from taking place the unexpected rotation.

Preferably, the top and the equal fixedly connected with limiting plate in bottom of outer ring gear, the first spring of the equal fixedly connected with in one side of two limiting plates, the one end of two first springs all with one side fixed connection of fixing base, through the pulling limiting plate, can make outer ring gear break away from the meshing of interior ring gear, make things convenient for the rotation of pivot, first spring can provide the power that resets for outer ring gear.

The utility model discloses in, a variable angle formula stair protector for construction, owing to set up the pivot, can make two movable plates be close to each other or keep away from each other through rotating the pivot, and then can drive the set-square and drive the sliding plate rebound and can move down, the sliding plate can drive first stand rebound or move down, first stand removes and can make two first connecting rods take place to rotate, two first connecting rods rotate and can make a plurality of second connecting rods rotate, and then can adjust the angle between first stand and the second stand, just so can adapt to different angles and span stair main part, the diversity has been improved greatly.

Owing to set up interior ring gear, through the meshing of interior ring gear and outer ring gear, can carry on spacingly to the pivot, the effectual pivot that prevents is unexpected to be rotated, and then can make between first stand and the second stand more stable, and the effectual stair main part that can protect prevents unexpected the emergence.

The utility model discloses rational in infrastructure, easy operation can make two first connecting rods and second connecting rod take place to rotate through the axis of rotation, and then can adjust the angle between first stand and the second stand, just so can adapt to different angles and span stair main part, has improved the variety greatly.

Drawings

Fig. 1 is a schematic view of a main view structure of a variable angle stair protection device for building construction according to the present invention;

fig. 2 is a schematic view of a sectional structure of a fixing seat of the variable angle stair protection device for building construction according to the present invention;

fig. 3 is the utility model provides a but, a part A of variable angle formula stair protector for construction enlarges the schematic structure.

In the figure: the stair comprises a stair body 1, a first upright post 2, a second upright post 3, a fixed seat 4, a first connecting rod 5, a second connecting rod 6, a fixed cavity 7, a rotating shaft 8, a movable plate 9, a sliding plate 10, a triangular plate 11, a first spring 12, a sliding chute 13, a second spring 14, an inner toothed ring 15, an outer toothed ring 16, a limiting plate 17 and a fixing plate 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-3, a variable angle stair protection device for building construction comprises a stair main body 1, a first upright post 2 and a second upright post 3, one side of the first upright post 2 is symmetrically and rotatably connected with two first connecting rods 5, one ends of the two first connecting rods 5 are rotatably connected with one side of the second upright post 6, a plurality of second connecting rods 6 are rotatably connected between the two first connecting rods 5 at equal intervals, a fixed seat 4 is fixedly connected with the bottom of the first upright post 2, a fixed cavity 7 is arranged on the fixed seat 4, a rotating shaft 8 is rotatably connected with the inner wall of one side of the fixed cavity 7, two movable plates 9 are symmetrically and threadedly connected on the rotating shaft 8, the threads of the two movable plates 9 are opposite, a sliding plate 10 is slidably connected in the fixed cavity 7, a triangular plate 11 is fixedly connected with the bottom of the sliding plate 10, and the tops of the two movable plates 9 are, the bottom of the first upright post 2 penetrates through the top of the fixed seat 4 and extends into the fixed cavity 7, the bottom of the first upright post 2 is fixedly connected with the top of the sliding plate 10, the two first connecting rods and the second connecting rod 6 can be rotated through the rotating shaft 8, and further the angle between the first upright post 2 and the second upright post 3 can be adjusted, so that the stair main body 1 with different angles and spans can be adapted, the diversity is greatly improved, the defects in the prior art are overcome, the rotating shaft 8 is arranged, the two moving plates 9 can be close to or far away from each other through rotating the rotating shaft 8, and further the triangular plate 11 can be driven to drive the sliding plate 10 to move upwards and downwards, the sliding plate 10 can drive the first upright post 2 to move upwards or downwards, the first upright post 2 can drive the two first connecting rods 5 to rotate, the two first connecting rods 5 can rotate to drive the second connecting rods 6 to rotate, and then can adjust the angle between first stand 2 and the second stand 3, just so can adapt to different angles and span stair main part 1, the variety has been improved greatly, owing to set up interior ring gear 15, through the meshing of interior ring gear 15 and outer ring gear 16, can carry on spacingly to pivot 8, the effectual pivot 8 that prevents takes place unexpected rotation, and then can make between first stand 2 and the second stand 6 more stable, effectually can protect stair main part 1, prevent unexpected emergence, the utility model discloses rational in infrastructure, easy operation can make two first connecting rods and second connecting rod 6 take place to rotate through pivot 8, and then can adjust the angle between first stand 2 and the second stand 3, just so can adapt to different angles and span stair main part 1, has improved the variety greatly.

Example two

The utility model discloses in, seted up spout 13 on the bottom inner wall of fixed cavity 7, the bottom of two movable plates 9 all extend to in spout 13 and with spout 13's bottom inner wall sliding connection, set up spout 13, can make the better slip of movable plate 9, and can not rotate along with pivot 8.

The utility model discloses in, two second springs 14 of the top symmetry fixedly connected with of sliding plate 10, the top of two second springs 14 all with the top inner wall fixed connection of fixed cavity 7, set up second spring 14, can cushion sliding plate 10, and can provide the power that resets for sliding plate 10.

The utility model discloses in, the opposite side inner wall of fixed cavity 7 is run through to the one side of fixing base 4 to the one end of pivot 8, and fixed cover is equipped with interior ring gear 15 in the pivot 8, and the meshing has outer ring gear 16 on the interior ring gear 15, through the meshing of interior ring gear 15 and outer ring gear 16, can carry on spacingly to pivot 8, prevents that pivot 8 from taking place the unexpected rotation.

The utility model discloses in, the top of outer ring gear 16 and the equal fixedly connected with limiting plate 17 in bottom, the first spring 12 of the equal fixedly connected with in one side of two limiting plates 17, the one end of two first springs 12 all with one side fixed connection of fixing base 4, through pulling limiting plate 17, can make outer ring gear 16 break away from the meshing of interior ring gear 15, make things convenient for the rotation of pivot 8, first spring 12 can provide the power that resets for outer ring gear 16.

In the utility model, when in use, the angles of the first upright post 2 and the second upright post 3 are adjusted according to the angle of the stair body 1, at this time, the two limiting plates 17 are pulled outwards, the two limiting plates 17 can drive the outer toothed ring 16 to move, so that the outer toothed ring 16 is separated from the meshing of the inner toothed ring 15, at this time, the first spring 12 is deformed, the limitation on the rotating shaft 8 is removed, then the rotating shaft 8 is rotated, because the rotating shaft 8 is in threaded connection with the two moving plates 9, and the threads of the two moving plates 9 are opposite, the two moving plates 9 can be close to each other or be far away from each other by the rotation of the rotating shaft 8, further the triangular plate 11 can be driven to drive the sliding plate 10 to move upwards and downwards, the sliding plate 10 can drive the first upright post 2 to move upwards or downwards, the first upright post 2 can drive the two first connecting rods 5 to rotate, the rotation of the two first connecting rods 5 can, and then can adjust the angle between first stand 2 and the second stand 3, after adjusting the angle, stall pivot 8, then loosen two limiting plates 17, under the effect of first spring 12, make outer ring gear 16 mesh with interior ring gear 15 again, fix current position, then fix fixing base 4 and second stand 3 on stair main body 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A variable-angle stair protection device for building construction comprises a stair main body (1), a first upright post (2) and a second upright post (3), and is characterized in that one side of the first upright post (2) is symmetrically and rotatably connected with two first connecting rods (5), one ends of the two first connecting rods (5) are rotatably connected with one side of the second upright post (3), a plurality of second connecting rods (6) are rotatably connected between the two first connecting rods (5) at equal intervals, the bottom of the first upright post (2) is fixedly connected with a fixed seat (4), a fixed cavity (7) is arranged on the fixed seat (4), a rotating shaft (8) is rotatably connected on the inner wall of one side of the fixed cavity (7), two movable plates (9) are symmetrically and threadedly connected on the rotating shaft (8), the threads of the two movable plates (9) are opposite, and a sliding plate (10) is slidably connected in the fixed cavity (7), the bottom of the sliding plate (10) is fixedly connected with a triangular plate (11), the tops of the two moving plates (9) are respectively in sliding connection with the two sides of the triangular plate (11), the bottom of the first upright post (2) penetrates through the top of the fixed seat (4) and extends into the fixed cavity (7), and the bottom of the first upright post (2) is fixedly connected with the top of the sliding plate (10).

2. The variable-angle stair protection device for building construction according to claim 1, wherein a sliding groove (13) is formed in the inner wall of the bottom of the fixed cavity (7), and the bottoms of the two moving plates (9) extend into the sliding groove (13) and are in sliding connection with the inner wall of the bottom of the sliding groove (13).

3. The variable angle stair guard for building construction according to claim 1, wherein two second springs (14) are symmetrically and fixedly connected to the top of the sliding plate (10), and the top ends of the two second springs (14) are fixedly connected to the inner wall of the top of the fixed chamber (7).

4. The stair guard according to claim 1, wherein one end of the shaft (8) extends through the inner wall of the other side of the fixed chamber (7) and to one side of the fixed seat (4), the shaft (8) is fixed with an inner toothed ring (15), and the inner toothed ring (15) is engaged with an outer toothed ring (16).

5. The variable angle stair guard for building construction according to claim 4, characterized in that limiting plates (17) are fixedly connected to the top and bottom of the outer gear ring (16), first springs (12) are fixedly connected to one side of each of the two limiting plates (17), and one end of each of the two first springs (12) is fixedly connected to one side of the fixing base (4).