Quickly assembled and disassembled stair handrail for building construction

Abstract

The utility model relates to the technical field of building construction, and discloses a quickly assembled and disassembled stair handrail for building construction, which comprises two stand columns, first connecting pieces are fixedly connected to the upper ends and the lower ends of the opposite sides of the stand columns, and first cross rods are rotatably connected to the exteriors of the first connecting pieces. A second cross rod is installed at the end of the first cross rod through an adjusting assembly and used for adjusting the length of the handrail, a lifting plate is connected to the outer portion of the lower end of the stand column in an up-down sliding mode, a back plate is fixedly connected to the rear end of the lifting plate, and a tightening latch is fixedly connected to the lower end of the back plate. According to the stair handrail, the overall length of the handrail is adjusted through stretching and retracting of the second transverse rod relative to the first transverse rod, the handrail is made to meet the requirements of different stair lengths, the applicability and universality of the stair handrail are improved, the handrail is fixed to the edge of a stair through cooperation of the rotating cylinder and the stand column, operation is easy and fast, and the stair handrail is suitable for building construction. And temporary installation is used for guaranteeing the safety of constructors.

Description

TECHNICAL FIELD

[0001] The utility model relates to building construction technical field especially, relates to a building construction is with quick assembly disassembly stair handrail. BACKGROUND

[0002] Building stair is the vertical traffic facility for connecting different floors in building, and is an indispensable part in building design. It not only has functionality, but also often serves as part of architectural aesthetics. Stair handrail is a vertical or horizontal support structure installed on one side or both sides of the stair, mainly used for providing grip and support to enhance safety when going up and down the stairs.

[0003] During building construction, the stair is in a state of not being decorated, and during the construction process, construction personnel will go up and down the stair or carry building materials. The stair without stair handrail has high safety hazards when the construction personnel goes up and down, so a building construction quick assembly disassembly stair handrail is proposed to ensure the safety of construction personnel. UTILITY MODEL CONTENT

[0004] The utility model discloses a building construction quick assembly disassembly stair handrail, which can install a snack handrail on the stair during building construction to ensure the safety of construction personnel, and is simple and convenient to install and disassemble.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme.

[0006] A building construction quick assembly disassembly stair handrail, comprising two columns, the upper and lower ends of the opposite side of the column are fixedly connected with first connecting pieces, the outer part of the first connecting piece is rotatably connected with a first horizontal rod, the end of the first horizontal rod is provided with a second horizontal rod through an adjusting assembly for adjusting the length of the handrail, the lower end of the outer part of the column is slidably connected with a lifting plate, the rear end of the lifting plate is fixedly connected with a back plate, the lower end of the back plate is fixedly connected with a bolt rod, the outer part of the bolt rod is rotatably connected with a rotating cylinder, and the inner part of the column is provided with a lifting assembly for driving the lifting plate to move up and down.

[0007] Further, the opposite side of the first horizontal rod outside the same column is fixedly connected with a second connecting piece, and the inner side of a plurality of second connecting pieces is rotatably connected with a first vertical rod.

[0008] Further, the opposite side of the second horizontal rod is fixedly connected with a third connecting piece, and the inner side of a plurality of third connecting pieces is rotatably connected with a second vertical rod.

[0009] Further, the adjusting assembly comprises an adjusting rod fixedly connected to the first cross bar end, and the end of the adjusting rod is movably connected to the inside of the second cross bar, and the middle of the adjusting rod is provided with an adjusting hole.

[0010] Further, the adjusting assembly further comprises bolt holes formed in the left and right ends of the second cross bar, and a fixing pin is inserted into the inside of the bolt hole, and the middle of the fixing pin is inserted into the inside of the adjusting hole.

[0011] Further, the lifting assembly comprises a movable groove arranged at the lower end of the stand, and the movable groove is movably connected with a movable block, and the front and rear ends of the movable block are fixedly connected to the inner wall of the lifting plate.

[0012] Further, the lifting assembly further comprises a rotating rod rotatably connected to the inside of the upper end of the stand, and the lower end of the rotating rod is fixedly connected with a screw rod, and the screw rod is screw-connected to the middle of the movable block, and the top of the rotating rod is fixedly connected with a rotating handle for driving the rotating rod and the screw rod to rotate.

[0013] The utility model has the advantages of:

[0014] 1、the utility model discloses, through the position of adjusting the fixing pin in the adjusting hole and bolt hole, can realize the telescopic of second cross bar relative to first cross bar, and then adjust the length of the whole handrail, make it adapt to the requirement of different stair length, improve the applicability and versatility of the stair handrail, avoid the need for customizing different specifications of handrail because of the size difference of stair, save the cost.

[0015] 2、the utility model discloses, the rotating handle of setting drives the rotating rod to rotate, thereby driving the screw rod to rotate, and through the cooperation of screw rod and movable block, drives the lifting plate, backboard and rotating cylinder to go up, and the rotating cylinder cooperates with the stand on the upper side of the stair from the lower side of the stair, and the handrail is fixed at the edge of the stair, and the operation is simple and quick, can realize the installation and disassembly of handrail quickly, is applicable to the temporary installation when building construction, and is used to guarantee the safety of construction personnel. DRAWINGS

[0016] Figure 1 It is a whole schematic view of the utility model for building construction and quick disassembly and assembly stair handrail;

[0017] Figure 2 It is an adjusting rod schematic view of the utility model for building construction and quick disassembly and assembly stair handrail;

[0018] Figure 3 It is a stand schematic view of the utility model for building construction and quick disassembly and assembly stair handrail;

[0019] Figure 4The utility model provides a kind of movable block schematic diagram of quick dismounting stair handrail for building construction.

[0020] Legend:

[0021] 1, column; 2, first connecting piece; 3, first cross bar; 4, second connecting piece; 5, first vertical rod; 6, second cross bar; 7, third connecting piece; 8, second vertical rod; 9, movable slot; 10, movable block; 11, rotating rod; 12, screw rod; 13, rotating handle; 14, lifting plate; 15, back plate; 16, bolt rod; 17, rotating cylinder; 18, adjusting rod; 19, adjusting hole; 20, bolt hole; 21, fixed pin. Specific embodiments

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Reference Figures 1-2 , the utility model provides an embodiment: a kind of building construction quick dismounting stair handrail, including two columns 1, the upper and lower ends of opposite side of column 1 are all fixedly connected with first connecting piece 2, the outside of first connecting piece 2 is all rotatably connected with first cross bar 3, the end of first cross bar 3 is provided with second cross bar 6, the end of first cross bar 3 is fixedly connected with adjusting rod 18, the end of adjusting rod 18 is movably connected in the inside of second cross bar 6, the middle part of adjusting rod 18 is provided with adjusting hole 19, the left and right ends of second cross bar 6 are all provided with bolt hole 20, fixed pin 21 is inserted in the inside of bolt hole 20, the middle part of fixed pin 21 is inserted in the inside of adjusting hole 19, the opposite side of first cross bar 3 outside same column 1 is all fixedly connected with second connecting piece 4, the inside of multiple second connecting pieces 4 is all rotatably connected with first vertical rod 5, the opposite side of second cross bar 6 is all fixedly connected with third connecting piece 7, the inside of multiple third connecting pieces 7 is all rotatably connected with second vertical rod 8.

[0024] The upper and lower ends of the two opposite sides of the two columns 1 are rotatably connected with the first cross bar 3 through the first connecting pieces 2, so that the first cross bar 3 can be flexibly rotated around the first connecting pieces 2, which provides the possibility for the installation of the stair handrail at different angles, thereby being applicable to stairs with different inclination angles; the adjusting rod 18 at the end of the first cross bar 3 is movable in the second cross bar 6, and the adjusting rod 18 can be fixed at different positions in the second cross bar 6 by passing the fixing pin 21 through the bolt holes 20 at the two ends of the second cross bar 6 and the adjusting hole 19 in the middle of the adjusting rod 18, thereby realizing the adjustment of the overall length of the handrail to adapt to stairs with different lengths. Through the adjustment of the angle and length of the handrail, the applicability and versatility of the handrail can be improved.

[0025] Referring to Figure 1 , Figure 3 and Figure 4 The lower end of the column 1 is slidably connected with the lifting plate 14 outside, the rear end of the lifting plate 14 is fixedly connected with the back plate 15, the lower end of the back plate 15 is fixedly connected with the bolt rod 16, the outside of the bolt rod 16 is rotatably connected with the rotating cylinder 17, the lower end of the column 1 is provided with the movable groove 9, the inside of the movable groove 9 is movably connected with the movable block 10, the front and rear ends of the movable block 10 are both fixedly connected inside the lifting plate 14, the inside of the upper end of the column 1 is rotatably connected with the rotating rod 11, the lower end of the rotating rod 11 is fixedly connected with the screw rod 12, the outside of the screw rod 12 is threadedly connected in the middle of the movable block 10, and the top of the rotating rod 11 is fixedly connected with the rotating handle 13 for driving the rotating rod 11 and the screw rod 12 to rotate.

[0026] When installing the handrail, the handrail is placed at the edge of the stairs, the edge of the stairs is clamped between the bottom of the column 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 column 1, thereby driving the rotating cylinder 17 to move upwards, reducing the distance between the rotating cylinder 17 and the bottom of the column 1, thereby fixing the column 1 on the stairs, and completing the installation of the handrail; the protective nails at the bottom of the column 1 can improve the stability during the installation of the handrail; the existing building stairs are generally inclined planes on the lower side, and the inclination angles of the inclined planes are different with different specifications of the stairs, the rotating cylinder 17 is cylindrical and can rotate, which can be better applicable to the inclined planes, facilitating the installation and fixation of the handrail, and the installation process is simple and fast, the handrail can be quickly installed and disassembled, which is applicable to temporary installation during construction and is used for ensuring the safety of construction personnel.

[0027] Working principle: when installing the handrail, the handrail is placed on the edge of the stairs, the edge of the stairs is clamped between the bottom of the stand column 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 slot 9, thereby driving the lifting plate 14 to move upwards outside the stand column 1, thereby driving the rotating cylinder 17 to move upwards, reducing the distance between the rotating cylinder 17 and the bottom of the stand column 1, thereby fixing the stand column 1 on the stairs, completing the installation of the handrail; when adjusting the length of the handrail, the fixing pin 21 inserted in the bolt hole 20 is pulled out, then the adjusting rod 18 is pulled out from the second cross rod 6 through pulling, thereby adjusting the length of the handrail, after the length is adjusted, the fixing pin 21 is inserted into the bolt hole 20, the adjusting rod 18 is fixed, the adjustment of the length of the handrail is completed.

[0028] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application is described in detail with reference to the foregoing embodiments, for the skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. A quick-assembly and disassembly stair handrail for building construction, characterized in that, The utility model provides a kind of adjustable handrail, including two columns (1), the upper and lower ends of opposite side are fixedly connected with first connecting piece (2), the outside of first connecting piece (2) is rotatably connected with first cross bar (3), the end of first cross bar (3) is equipped with second cross bar (6) by adjusting assembly, for adjusting the length of handrail, the outside of the lower end of column (1) is slidably connected with lifting plate (14), the rear end of lifting plate (14) is fixedly connected with backplate (15), the lower end of backplate (15) is fixedly connected with bolt rod (16), the outside of bolt rod (16) is rotatably connected with rotating cylinder (17), the inside of column (1) is provided with lifting assembly for driving lifting plate (14) to move up and down.

2. A quickly assembled and disassembled stair handrail for construction according to claim 1, characterized in that: The opposite side of first cross bar (3) outside the same column (1) is fixedly connected with second connecting piece (4), the inside of multiple groups of second connecting piece (4) is rotatably connected with first vertical rod (5).

3. A quickly assembled and disassembled stair handrail for construction according to claim 1, characterized in that: The opposite side of second cross bar (6) is fixedly connected with third connecting piece (7), and the inside of multiple groups of third connecting piece (7) is rotatably connected with second vertical rod (8).

4. The quickly assembled and disassembled stair handrail for construction according to claim 1, characterized in that: The adjusting assembly includes the adjusting rod (18) fixedly connected at the end of first cross bar (3), the end of adjusting rod (18) is movably connected in the inside of second cross bar (6), and the middle part of adjusting rod (18) is provided with adjusting hole (19).

5. The quickly assembled and disassembled stair handrail for construction according to claim 1, characterized in that: The adjusting assembly further includes bolt hole (20) formed in the left and right ends of second cross bar (6), and fixed pin (21) is inserted into the inside of bolt hole (20), and the middle part of fixed pin (21) is inserted into the inside of adjusting hole (19).

6. A quickly assembled and disassembled stair handrail for construction according to claim 1, characterized in that: The lifting assembly includes movable slot (9) arranged at the lower end of column (1), movable block (10) is movably connected in the inside of movable slot (9), and the front and rear ends of movable block (10) are fixedly connected in the inside of lifting plate (14).

7. A quickly assembled and disassembled stair handrail for construction according to claim 6, characterized in that: The lifting assembly further includes rotating rod (11) rotatably connected in the inside of the upper end of column (1), screw rod (12) is fixedly connected to the lower end of rotating rod (11), screw rod (12) is screw-connected in the middle part of movable block (10) outside, and rotating handle (13) is fixedly connected to the top of rotating rod (11) for driving rotating rod (11) and screw rod (12) to rotate.

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