CN223880657U - Quick assembly disassembly stair railing for construction - Google Patents

Abstract

The utility model relates to the technical field of building construction and discloses a quick-disassembly stair railing for building construction, which comprises two upright posts, wherein the upper end and the lower end of one side opposite to the upright posts are fixedly connected with first connecting pieces, the outer parts of the first connecting pieces are rotatably connected with first cross rods, the end parts of the first cross rods are provided with second cross rods through adjusting components and are used for adjusting the length of the stair railing, the outer parts of the lower ends of the upright posts are connected with lifting plates in an up-down sliding manner, the rear ends of the lifting plates are fixedly connected with back plates, and the lower ends of the back plates are fixedly connected with bolts. According to the utility model, the second cross rod stretches relative to the first cross rod, so that the overall length of the handrail is adjusted, the handrail is adapted to the requirements of different stair lengths, the applicability and the universality of the stair handrail are improved, the handrail is fixed at the edge of the stair through the cooperation of the rotating cylinder and the upright post, the operation is simple and quick, the stair handrail is suitable for temporary installation in building construction, and the safety of constructors is ensured.

Description

Quick assembly disassembly stair railing for construction

Technical Field

The utility model relates to the technical field of building construction, in particular to a quick assembly disassembly stair railing for building construction.

Background

Building stairs are vertical traffic facilities in a building for connecting different floors, and are an indispensable part of building design. It is not only functional, but often also part of the architectural aesthetics, a stair railing is a vertical or horizontal support structure mounted on one or both sides of a stair, primarily to provide grip and support to enhance safety in going up and down stairs.

When the building construction, the stairway is in a state of not being decorated, and in the construction process, constructors can go upstairs and downstairs through the stairway, or carry building materials, and the stairway without the stair railing is provided, so that the high potential safety hazard exists when the constructors go up and down, and the quick assembly disassembly stair railing for the building construction is provided, and the safety of the constructors is guaranteed.

Disclosure of utility model

The utility model aims to solve the defects in the prior art, and provides the quick assembly disassembly stair railing for building construction, which can be used for mounting the snack handrail on a stair during building construction, so that the safety of constructors is ensured, and the assembly and disassembly are simple and convenient.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a quick assembly disassembly stair railing for construction, includes two stands, the equal fixedly connected with first connecting piece in upper and lower both ends of stand opposite side, the outside of first connecting piece is all rotated and is connected with first horizontal pole, the second horizontal pole is installed through adjusting part to the tip of first horizontal pole for adjust the length of handrail, the outside sliding connection has the lifter plate from top to bottom of lower extreme of stand, the rear end fixedly connected with backplate of lifter plate, the lower extreme fixedly connected with bolt of backplate, the outside rotation of bolt is connected with the rotation section of thick bamboo, the inside of stand is provided with the lifting assembly who is used for driving lifter plate up-and-down motion.

Further, the second connecting pieces are fixedly connected to the opposite sides of the first cross bars on the outer sides of the same upright posts, and the inner sides of the second connecting pieces are rotatably connected with first vertical bars.

Further, the opposite sides of the second cross rod are fixedly connected with third connecting pieces, and the inner sides of the plurality of groups of third connecting pieces are rotationally connected with second vertical rods.

Further, the adjusting assembly comprises an adjusting rod fixedly connected with the end part of the first cross rod, the end part of the adjusting rod is movably connected with the inside of the second cross rod, and an adjusting hole is formed in the middle of the adjusting rod.

Further, the adjusting component further comprises bolt holes formed in the left end and the right end of the second cross rod, fixing pins are inserted into the bolt holes, and the middle parts of the fixing pins are inserted into the adjusting holes.

Further, the lifting assembly comprises a movable groove arranged at the lower end of the upright post, a movable block is movably connected in the movable groove, and the front end and the rear end of the movable block are fixedly connected to the inner wall of the lifting plate.

Further, the lifting assembly further comprises a rotating rod which is connected with the upper end of the upright post in a rotating mode, the lower end of the rotating rod is fixedly connected with a screw rod, the outer thread of the screw rod is connected with the middle of the movable block, and the top of the rotating rod is fixedly connected with a rotating handle which is used for driving the rotating rod and the screw rod to rotate.

The utility model has the following beneficial effects:

1. According to the utility model, the positions of the fixing pins in the adjusting holes and the bolt holes are adjusted, so that the second cross rod can stretch and retract relative to the first cross rod, and the whole length of the handrail is adjusted, so that the handrail meets the requirements of different stair lengths, the applicability and the universality of the stair handrail are improved, the handrail with different specifications is prevented from being customized due to the difference of stair sizes, and the cost is saved.

2. According to the utility model, the rotating rod is driven to rotate through the rotating handle, so that the screw is driven to rotate, the lifting plate, the backboard and the rotating cylinder are driven to ascend through the cooperation of the screw and the movable block, the rotating cylinder is matched with the upright post on the upper side of the stair from the lower side of the stair, the handrail is fixed at the edge of the stair, the operation is simple and quick, the installation and the disassembly of the handrail can be realized quickly, and the device is suitable for temporary installation in building construction and is used for guaranteeing the safety of constructors.

Drawings

FIG. 1 is an overall schematic view of a quick assembly disassembly stair railing for building construction according to the present utility model;

FIG. 2 is a schematic view of an adjusting rod for quickly assembling and disassembling a stair railing for building construction;

FIG. 3 is a schematic view of a column of a quick-release stair railing for construction according to the present utility model;

Fig. 4 is a schematic diagram of a movable block of a quick assembly disassembly stair railing for building construction.

Legend description:

1. A column; 2, a first connecting piece, 3, a first cross rod, 4, a second connecting piece, 5, a first vertical rod, 6, a second cross rod, 7, a third connecting piece, 8, a second vertical rod, 9, a movable groove, 10, a movable block, 11, a rotating rod, 12, a screw rod, 13, a rotating handle, 14, a lifting plate, 15, a back plate, 16, a bolt rod, 17, a rotating cylinder, 18, an adjusting rod, 19, an adjusting hole, 20, a bolt hole, 21 and a fixing pin.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the quick assembly disassembly stair railing for building construction comprises two upright posts 1, wherein the upper end and the lower end of one opposite side of each upright post 1 are fixedly connected with first connecting pieces 2, the outer parts of the first connecting pieces 2 are respectively and rotatably connected with first cross rods 3, the end parts of the first cross rods 3 are provided with second cross rods 6, the end parts of the first cross rods 3 are fixedly connected with adjusting rods 18, the end parts of the adjusting rods 18 are movably connected in the second cross rods 6, the middle parts of the adjusting rods 18 are provided with adjusting holes 19, the left end and the right end of each second cross rod 6 are respectively provided with a bolt hole 20, fixing pins 21 are inserted into the inner parts of the corresponding bolt holes 20, the middle parts of the fixing pins 21 are inserted into the adjusting holes 19, the opposite sides of the first cross rods 3 on the outer sides of the same upright post 1 are respectively and rotatably connected with second connecting pieces 4, the inner sides of a plurality of groups of the second connecting pieces 4 are respectively and rotatably connected with first vertical rods 5, the opposite sides of the second cross rods 6 are respectively and rotatably connected with third connecting pieces 7, and the inner sides of a plurality of groups of the third vertical rods 7 are respectively and rotatably connected with second vertical rods 8.

The upper end and the lower end of the opposite sides of the two upright posts 1 are rotationally connected with the first cross rod 3 through the first connecting piece 2, so that the first cross rod 3 can flexibly rotate around the first connecting piece 2, the stair railing can be installed at different angles, the stair railing is suitable for stairs with different inclination angles, the adjusting rod 18 at the end part of the first cross rod 3 can move inside the second cross rod 6, the fixing pin 21 can penetrate through the bolt holes 20 at the two ends of the second cross rod 6 and the adjusting holes 19 in the middle part of the adjusting rod 18, the adjusting rod 18 can be fixed at different positions in the second cross rod 6, the overall length of the stair railing can be adjusted, the stair railing can be suitable for stairs with different lengths, and the applicability and the universality of the stair railing can be improved through adjusting the angle and the length of the stair railing.

Referring to fig. 1, 3 and 4, the lower extreme outside of stand 1 is sliding connection from top to bottom has lifter plate 14, the rear end fixedly connected with backplate 15 of lifter plate 14, the lower extreme fixedly connected with bolt 16 of backplate 15, the outside rotation of bolt 16 is connected with a rotary drum 17, the lower extreme of stand 1 is provided with movable groove 9, the inside swing joint of movable groove 9 has movable block 10, both ends all fixed connection in the inside of lifter plate 14 around the movable block 10, the inside rotation of upper end of stand 1 is connected with bull stick 11, the lower extreme fixedly connected with screw rod 12 of bull stick 11, the outside threaded connection of screw rod 12 is at the middle part of movable block 10, the top fixedly connected with of bull stick 11 is used for driving bull stick 11 and screw rod 12 pivoted rotation handle 13.

When the handrail is installed, the handrail is arranged at the edge of a stair, the edge of the stair is clamped between the bottom of the upright post 1 and the rotating cylinder 17, then the rotating handle 13 is rotated, the rotating handle 13 drives the screw rod 12 to rotate through the rotating rod 11, the rotating screw rod 12 drives the movable block 10 to move upwards in the movable groove 9, thereby driving the lifting plate 14 to move upwards outside the upright post 1, driving the rotating cylinder 17 to move upwards, reducing the distance between the rotating cylinder 17 and the bottom of the upright post 1, fixing the upright post 1 on the stair, completing the installation of the handrail, and arranging protective nails at the bottom of the upright post 1, so that the stability of the handrail during installation can be improved.

The operating principle is that when the handrail is installed, the handrail is placed at the edge of a stair, the edge of the stair is clamped between the bottom of the upright post 1 and the rotating cylinder 17, then the rotating handle 13 is rotated, the rotating handle 13 drives the screw rod 12 to rotate through the rotating rod 11, the rotating screw rod 12 drives the movable block 10 to move upwards in the movable groove 9, the lifting plate 14 is driven to move upwards outside the upright post 1, the rotating cylinder 17 is driven to move upwards, the distance between the rotating cylinder 17 and the bottom of the upright post 1 is shortened, the upright post 1 is fixed on the stair, the installation of the handrail is completed, when the length of the handrail is adjusted, the fixed pin 21 inserted into the bolt hole 20 is pulled out, then the adjusting rod 18 is pulled out from the second transverse rod 6 through pulling, the length of the handrail is adjusted, and after the length adjustment, the fixed pin 21 is inserted into the bolt hole 20, the adjusting rod 18 is fixed, and the length of the handrail is adjusted.

It should be noted that the foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present utility model.

Claims (7)

1. The utility model provides a quick assembly disassembly stair railing for construction, its characterized in that, includes two stand (1), the equal fixedly connected with first connecting piece (2) in upper and lower both ends of stand (1) opposite side, the outside of first connecting piece (2) is all rotated and is connected with first horizontal pole (3), second horizontal pole (6) are installed through adjusting part to the tip of first horizontal pole (3) for adjust the length of handrail, the outside sliding connection of lower extreme of stand (1) has lifter plate (14) from top to bottom, the rear end fixedly connected with backplate (15) of lifter plate (14), the lower extreme fixedly connected with bolt (16) of backplate (15), the outside rotation of bolt (16) is connected with rotary drum (17), the inside of stand (1) is provided with the lifting assembly that is used for driving lifter plate (14) up-and-down motion.

2. The quick assembly disassembly stair railing for building construction according to claim 1, wherein the second connecting pieces (4) are fixedly connected to opposite sides of the first transverse rods (3) on the outer sides of the same upright post (1), and the inner sides of the plurality of groups of second connecting pieces (4) are rotatably connected with first vertical rods (5).

3. The quick assembly disassembly stair railing for building construction according to claim 1, wherein the opposite sides of the second cross rod (6) are fixedly connected with third connecting pieces (7), and the inner sides of the plurality of groups of third connecting pieces (7) are rotatably connected with second vertical rods (8).

4. The quick assembly disassembly stair railing for building construction according to claim 1, wherein the adjusting assembly comprises an adjusting rod (18) fixedly connected with the end part of the first cross rod (3), the end part of the adjusting rod (18) is movably connected with the inside of the second cross rod (6), and an adjusting hole (19) is formed in the middle of the adjusting rod (18).

5. The quick assembly disassembly stair railing for building construction according to claim 1, wherein the adjusting component further comprises bolt holes (20) formed in the left end and the right end of the second cross rod (6), fixing pins (21) are inserted into the bolt holes (20), and the middle parts of the fixing pins (21) are inserted into the adjusting holes (19).

6. The quick assembly disassembly stair railing for building construction according to claim 1, wherein the lifting assembly comprises a movable groove (9) arranged at the lower end of the upright post (1), a movable block (10) is movably connected in the movable groove (9), and the front end and the rear end of the movable block (10) are fixedly connected in the lifting plate (14).

7. The quick assembly disassembly stair railing for building construction of claim 6, wherein the lifting assembly further comprises a rotating rod (11) rotatably connected with the upper end of the upright post (1), a screw rod (12) is fixedly connected with the lower end of the rotating rod (11), the outer thread of the screw rod (12) is connected with the middle part of the movable block (10), and a rotating handle (13) for driving the rotating rod (11) and the screw rod (12) to rotate is fixedly connected with the top of the rotating rod (11).