Simple stair safety protection device for building construction
By designing a combined connection method of vertical circular pipe, inclined rod and horizontal rod, the problem of difficulty in removing temporary stair guardrails is solved, and convenient installation is achieved without affecting the effect of stair construction.
Patent Information
- Application Number
- CN202421990709.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-16
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-08-16
AI Technical Summary
During the existing construction, temporary stair guardrails are difficult to remove and affect formal stair construction, especially stair leveling, tiling and handrail installation.
A stair protection device including vertical circular tube, oblique rod and transverse rod is designed to achieve rapid installation and removal through a combined connection method of pin holes and grooves without occupying the surface area of the stair step.
It realizes the convenient installation and removal of temporary guardrails, without affecting the stair construction operation, and improves construction efficiency and safety.
Smart Images

Figure CN223119598U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of staircase protection in building construction, and particularly relates to a simple safety protection device for staircases in building construction. Background Art
[0002] During the building construction process, temporary guardrails are generally added to the edges of staircases to ensure the safety of construction workers. Such temporary guardrails are generally made of welded steel pipes or steel bars. When installing the formal staircase, this kind of temporary guardrail needs to be removed. However, due to the welded connection method, it is very difficult to disassemble; moreover, the lower installation positions of such guardrails are mostly installed on the upper surfaces of staircase steps, which will affect the construction of tiling and the formal staircase handrails, including the construction of staircase leveling, tiling, and installation of formal railing handrails.
[0003] In view of the above problems, the present utility model is proposed. Content of the Utility Model
[0004] Aiming at the deficiencies of the existing technology, the purpose of the present utility model is to provide a simple safety protection device for staircases in building construction, which is used to solve the problems mentioned in the background art.
[0005] To solve the above technical problems, the present utility model provides the following technical solutions.
[0006] The present utility model provides a simple safety protection device for staircases in building construction, including vertical round tubes, inclined bars, and cross bars. An installation block is arranged below the front of the vertical round tube, and through holes penetrating the installation block are arranged at the four corner positions of the side of the installation block away from the vertical round tube.
[0007] A first groove is vertically arranged on the left side of the vertical round tube, a second groove is vertically arranged on the right side of the vertical round tube, a third groove is vertically arranged on the back of the vertical round tube. A plurality of first pin holes are arranged on both sides of the first groove on the left side of the vertical round tube, a plurality of second pin holes are arranged on both sides of the second groove on the right side of the vertical round tube, a plurality of third pin holes are arranged on both sides of the third groove on the back of the vertical round tube, and a plurality of fourth pin holes are arranged on the front of the vertical round tube.
[0008] One end of the inclined bar at a lower position is provided with a first joint, and one end of the inclined bar at an upper position is provided with a second joint. The first joint is provided with a fifth pin hole, and the second joint is provided with a sixth pin hole.
[0009] Two T-shaped joints are symmetrically arranged at both ends of the cross bar, and a seventh pin hole penetrating the T-shaped joint is arranged on the T-shaped joint.
[0010] Preferably, the first pin holes, the second pin holes, the third pin holes, and the fourth pin holes are evenly distributed at equal intervals from bottom to top along the height direction of the vertical round tube.
[0011] Preferably, the first pin hole and the second pin hole are aligned in the height direction, the third pin hole and the fourth pin hole are aligned in the height direction, and the upper ends of the first groove, the second groove and the third groove all penetrate through the upper surface of the vertical circular tube.
[0012] Preferably, the first joint is movably inserted into the first groove and the second groove, and the second joint is movably inserted into the first groove and the second groove.
[0013] Preferably, the T-shaped joint is movably inserted into the first groove and the second groove.
[0014] Preferably, the first joint and the second joint are movably inserted into the third groove.
[0015] Preferably, there are three to five layers of the first pin hole, the second pin hole, the third pin hole and the fourth pin hole from bottom to top.
[0016] Compared with the prior art, the utility model has the following beneficial effects:
[0017] When the first joint is inserted into the second groove from top to bottom and the second joint is inserted into the first groove from top to bottom, the fifth pin hole can be aligned with the fourth pin hole and the third pin hole, and the sixth pin hole can be aligned with the fourth pin hole and the third pin hole. Then, by inserting a pin, four inclined rods can be installed in two adjacent vertical circular tubes;
[0018] Insert the T-shaped joints at both ends of the cross bar into the second grooves of two adjacent vertical circular tubes from top to bottom, so that the seventh pin hole is aligned with the fourth pin hole and the third pin hole. Then, by inserting a pin, four cross bars can be installed between two adjacent vertical circular tubes;
[0019] The mounting block at the lower end of the vertical circular tube just fits against the side of the stairs. Use bolts to pass through the through holes and then screw them into the side of the stairs. In this way, the stair protection device assembled by multiple vertical circular tubes, inclined rods and cross bars can be installed on the side of the stairs to play a protective role. When construction workers go up and down the stairs, they will not fall from the stairs;
[0020] The stair protection device is installed on the side of the stairs through the mounting block, so that it will not occupy the area on the upper surface of the stair tread. When performing construction operations such as leveling the stairs, tiling, and installing formal railing handrails, the stair protection device of the utility model will not affect or interfere. It will be more convenient for construction workers to perform construction operations such as leveling the stairs, tiling, and installing formal railing handrails. Description of the Drawings
[0021] Figure 1 It is a three-dimensional view of the vertical circular tube of the utility model;
[0022] Figure 2 It is a three-dimensional view of the inclined rod of the utility model;
[0023] Figure 3 This is the three-dimensional view of the cross bar of the present utility model;
[0024] Figure 4 This is the three-dimensional view of the splicing of the vertical circular tube and the inclined rod of the present utility model;
[0025] Figure 5 This is the overall three-dimensional view of the present utility model installed on the staircase.
[0026] In the figure: 1, vertical circular tube; 11, mounting block; 12, through hole; 13, first groove; 14, second groove; 15, third groove; 16, first pin hole; 17, second pin hole; 18, third pin hole; 19, fourth pin hole; 2, inclined rod; 21, first joint; 22, second joint; 23, fifth pin hole; 24, sixth pin hole; 3, cross bar; 31, T-shaped joint; 32, seventh pin hole. Specific embodiments
[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.
[0028] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.
[0029] As Figures 1-5 shown, a simple safety protection device for a staircase in building construction includes a vertical circular tube 1, an inclined rod 2, and a cross bar 3. A mounting block 11 is provided below the front surface of the vertical circular tube 1. Through holes 12 penetrating the mounting block 11 are provided at the four corner positions of the surface of the mounting block 11 away from the vertical circular tube 1. The mounting block 11 can just fit the side surface of the staircase step. Bolts are used to pass through the through holes 12 and then screwed into the side surface of the staircase step, which is convenient for installing the entire protection device.
[0030] On the left vertical side of the vertical circular tube 1, a first groove 13 is vertically provided. On the right vertical side of the vertical circular tube 1, a second groove 14 is vertically provided. On the back vertical side of the vertical circular tube 1, a third groove 15 is vertically provided. On both sides of the first groove 13 on the left vertical side of the vertical circular tube 1, a plurality of first pin holes 16 are provided. On both sides of the second groove 14 on the right vertical side of the vertical circular tube 1, a plurality of second pin holes 17 are provided. On both sides of the third groove 15 on the back vertical side of the vertical circular tube 1, a plurality of third pin holes 18 are provided. On the front side of the vertical circular tube 1, a plurality of fourth pin holes 19 are provided.
[0031] One end of the inclined rod 2 at a lower position is provided with a first joint 21, and one end of the inclined rod 2 at an upper position is provided with a second joint 22. The first joint 21 is provided with a fifth pin hole 23, and the second joint 22 is provided with a sixth pin hole 24. The first joint 21 can be inserted into the second groove 14, and the second joint 22 can be inserted into the first groove 13. The fifth pin hole 23 can be aligned with the fourth pin hole 19 and the third pin hole 18 on one vertical circular tube 1, and the sixth pin hole 24 can be aligned with the fourth pin hole 19 and the third pin hole 18 on the other vertical circular tube 1.
[0032] At both ends of the cross bar 3, two T-shaped joints 31 are symmetrically provided. The T-shaped joint 31 is provided with a seventh pin hole 32 penetrating through the T-shaped joint 31. The T-shaped joint 31 can just be inserted into the first groove 13 and the second groove 14 of two adjacent vertical circular tubes 1, and the seventh pin hole 32 can be aligned with the fourth pin hole 19 and the third pin hole 18.
[0033] The first pin holes 16, the second pin holes 17, the third pin holes 18 and the fourth pin holes 19 are evenly distributed at equal intervals from bottom to top along the height direction of the vertical circular tube 1.
[0034] The first pin holes 16 and the second pin holes 17 are aligned in the height direction, the third pin holes 18 and the fourth pin holes 19 are aligned in the height direction, and the upper ends of the first groove 13, the second groove 14 and the third groove 15 all penetrate through the upper surface of the vertical circular tube 1.
[0035] The first joint 21 is movably inserted into the first groove 13 and the second groove 14, and the second joint 22 is movably inserted into the first groove 13 and the second groove 14.
[0036] The T-shaped joint 31 is movably inserted into the first groove 13 and the second groove 14.
[0037] The first joint 21 and the second joint 22 are movably inserted into the third groove 15.
[0038] The first pin holes 16, the second pin holes 17, the third pin holes 18 and the fourth pin holes 19 have three to five layers from bottom to top.
[0039] In summary: When the first joint 21 is inserted into the second groove 14 from top to bottom, and the second joint 22 is inserted into the first groove 13 from top to bottom, the fifth pin hole 23 can be aligned with the fourth pin hole 19 and the third pin hole 18, and the sixth pin hole 24 can be aligned with the fourth pin hole 19 and the third pin hole 18. Then, by inserting a pin, the four diagonal rods 2 can be installed in two adjacent vertical circular tubes 1.
[0040] Insert the T-shaped joints 31 at both ends of the cross bar 3 into the second grooves 14 of two adjacent vertical circular tubes 1 from top to bottom, so that the seventh pin hole 32 is aligned with the fourth pin hole 19 and the third pin hole 18. Then, by inserting a pin, the four cross bars 3 can be installed between two adjacent vertical circular tubes 1.
[0041] The mounting block 11 at the lower end of the vertical circular tube 1 just fits against the side of the staircase. Use bolts to pass through the through holes 12 and then screw them into the side of the staircase. In this way, the staircase protection device assembled by multiple vertical circular tubes 1, diagonal rods 2 and cross bars 3 can be installed on the side of the staircase to play a role in protection. When construction workers go up and down the staircase, they will not fall from the staircase.
[0042] The staircase protection device is installed on the side of the staircase through the mounting block 11, so that it will not occupy the area on the upper surface of the staircase steps. When performing construction operations such as leveling the staircase, tiling, and installing formal railing handrails, the staircase protection device of the present invention will not affect or interfere. It will be more convenient for construction workers to perform construction operations such as leveling the staircase, tiling, and installing formal railing handrails.
[0043] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present invention.
Claims
1. A simple safety protection device for stairs used in building construction, characterized in that: It includes a vertical circular pipe (1), inclined rods (2) and cross bars (3). An installation block (11) is provided below the front of the vertical circular pipe (1). Through holes (12) penetrating the installation block (11) are provided at the four corner positions of the side of the installation block (11) away from the vertical circular pipe (1). A first groove (13) is vertically provided on the left side of the vertical circular pipe (1), a second groove (14) is vertically provided on the right side of the vertical circular pipe (1), a third groove (15) is vertically provided on the back of the vertical circular pipe (1). A plurality of first pin holes (16) are provided on both sides of the first groove (13) on the left side of the vertical circular pipe (1), a plurality of second pin holes (17) are provided on both sides of the second groove (14) on the right side of the vertical circular pipe (1), a plurality of third pin holes (18) are provided on both sides of the third groove (15) on the back of the vertical circular pipe (1), and a plurality of fourth pin holes (19) are provided on the front of the vertical circular pipe (1). One end of the inclined rod (2) at a position slightly lower is provided with a first joint (21), one end of the inclined rod (2) at a position slightly higher is provided with a second joint (22). The first joint (21) is provided with a fifth pin hole (23), and the second joint (22) is provided with a sixth pin hole (24). Two T-shaped joints (31) are symmetrically provided at both ends of the cross bar (3). A seventh pin hole (32) penetrating the T-shaped joint (31) is provided on the T-shaped joint (31).
2. The simple safety protection device for stairs used in building construction according to claim 1, wherein: The first pin holes (16), second pin holes (17), third pin holes (18) and fourth pin holes (19) are evenly distributed at equal intervals from bottom to top along the height direction of the vertical circular pipe (1).
3. The simple safety protection device for stairs used in building construction according to claim 1, characterized in that: The first pin holes (16) and the second pin holes (17) are aligned in the height direction, the third pin holes (18) and the fourth pin holes (19) are aligned in the height direction, and the upper ends of the first groove (13), the second groove (14) and the third groove (15) all penetrate the upper surface of the vertical circular pipe (1).
4. A simple safety protection device for stairs used in building construction according to claim 1, characterized in that: The first joint (21) is movably inserted into the first groove (13) and the second groove (14), and the second joint (22) is movably inserted into the first groove (13) and the second groove (14).
5. A simple safety protection device for stairs used in building construction according to claim 1, characterized in that: The T-shaped joint (31) is movably inserted into the first groove (13) and the second groove (14).
6. The simple safety protection device for stairs used in building construction according to claim 1, characterized in that: The first joint (21) and the second joint (22) are movably inserted into the third groove (15).
7. A simple safety protection device for stairs used in building construction according to claim 1, characterized in that: The first pin holes (16), second pin holes (17), third pin holes (18) and fourth pin holes (19) have three to five layers from bottom to top.