Novel stair protective fence

Abstract

The utility model belongs to the technical field of guardrails, and particularly relates to a novel stair guardrail which comprises two supporting rods, the two supporting rods are symmetrically arranged, first limiting pipes are arranged at the upper ends and the lower ends of the rod walls of the two supporting rods in a sleeved mode, and transverse rods are transversely arranged between the two sets of symmetrical first limiting pipes. Insertion pipes which are evenly distributed are fixedly arranged on the sides, close to each other, of the two transverse rods, handrails are longitudinally arranged between the two insertion pipes which correspond to each other up and down, U-shaped plates are arranged at the lower ends of the outer portions of the two supporting rods, and a foot blocking plate is jointly and fixedly arranged between the two U-shaped plates. Through cooperation of the clamping plates and the first fastening bolts, the railings can be fixedly clamped to the two sides of the stair plate, trepanning does not need to be conducted on the stair plate, installation is convenient, the stair plate can be rapidly disassembled when not used, the overall structure is fixed through the multiple bolts, and transportation is convenient after disassembly.

Description

Technical Field

[0001] The utility model relates to the technical field of guardrails, in particular to a new type of staircase guardrail. Background Art

[0002] In architecture, staircases play a very important role in the entire building system. As the main vertical traffic and the main passage during emergency evacuation in a building, staircases have an important impact on the normal use and emergency evacuation of the entire building. To increase the safety of staircase use, guardrails are installed on both sides of the staircase.

[0003] However, the existing guardrails still have the following technical problems during use:

[0004] Currently, the installation of guardrails is difficult. Drilling holes is required during installation, which not only damages the wall but also makes it inconvenient to disassemble when the guardrail is not in use.

[0005] Therefore, a new type of staircase guardrail is proposed to solve the above-mentioned problems. Content of the Utility Model

[0006] The purpose of the utility model is to provide a new type of staircase guardrail to solve the problems mentioned in the above background art.

[0007] To achieve the above purpose, the utility model provides the following technical solution: A new type of staircase guardrail includes two support rods, the two support rods are symmetrically arranged, the upper and lower ends of the rod walls of the two support rods are both sleeved with first limiting tubes, cross bars are horizontally arranged between two groups of symmetric first limiting tubes, uniformly arranged inserting tubes are fixedly arranged on the closer sides of the two cross bars, railings are longitudinally arranged between the upper and lower corresponding inserting tubes, U-shaped plates are arranged at the lower ends of the outsides of the two support rods, a footrest is fixedly arranged between the two U-shaped plates, a second limiting tube is sleeved at the lower end of the outside of the two support rods, and a clamping plate is fixedly arranged on the front side wall of the second limiting tube.

[0008] Preferably, first fastening bolts are threadedly arranged on both the upper and lower side walls of the clamping plate.

[0009] Preferably, second fastening bolts are threadedly arranged on the side wall of the first limiting tube, and the support rod is connected and fixed to the first limiting tube through the second fastening bolts.

[0010] Preferably, third fastening bolts are threadedly arranged on the front side wall of the inserting tube, and both ends of the railing are connected and fixed to the inserting tube through the third fastening bolts.

[0011] Preferably, the front side wall and the rear side wall of the U-shaped plate are both provided with fourth fastening bolts in a threaded manner, and the U-shaped plate is fixedly connected to the support rod through the fourth fastening bolts.

[0012] Preferably, the rear side wall of the second limiting tube is provided with a fifth fastening bolt in a threaded manner, and the second limiting tube is fixedly connected to the support rod through the fifth fastening bolt.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] In this application, through the cooperation of the clamping plate and the first fastening bolt, the railing can be fixedly clamped on both sides of the stair plate without opening holes in the stair plate, which is convenient for installation, and can be quickly disassembled when not in use. The overall structure is fixed by multiple bolts and is convenient for transportation after disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic structural diagram of the present utility model;

[0016] Figure 2 It is a schematic side structure diagram of the U-shaped plate;

[0017] Figure 3 It is a schematic right view structure diagram of the clamping plate.

[0018] In the figure: 1 support rod, 2 first limiting tube, 3 cross bar, 4 insertion tube, 5 railing, 6 U-shaped plate, 7 footrest, 8 second limiting tube, 9 clamping plate, 10 first fastening bolt, 11 second fastening bolt, 12 third fastening bolt, 13 fourth fastening bolt, 14 fifth fastening bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] 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. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0020] 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.

[0021] Embodiment:

[0022] Please refer to Figures 1-3 , the present utility model provides a technical solution:

[0023] A novel staircase guardrail, comprising two support rods 1, the two support rods 1 are symmetrically arranged, the upper and lower ends of the rod walls of the two support rods 1 are sleeved with first limiting tubes 2, cross bars 3 are horizontally arranged between two groups of symmetric first limiting tubes 2, uniformly arranged inserting tubes 4 are fixedly arranged on one side of the two cross bars 3 close to each other, a railing 5 is longitudinally arranged between two vertically corresponding inserting tubes 4, U-shaped plates 6 are arranged at the lower ends of the outsides of the two support rods 1, a footrest plate 7 is fixedly arranged between the two U-shaped plates 6, a second limiting tube 8 is sleeved at the lower end of the outside of the two support rods 1, a clamping plate 9 is fixedly arranged on the front side wall of the second limiting tube 8. In this application, the railing can be fixedly clamped on both sides of the staircase slab through the cooperation of the clamping plate 9 and the first fastening bolt 10, without opening holes in the staircase slab, which is convenient for installation, and can also be quickly disassembled when not in use. The overall structure is fixed by a plurality of bolts, and is convenient for transportation after disassembly.

[0024] The upper and lower side walls of the clamping plate 9 are both threadedly provided with first fastening bolts 10, which is convenient for fixing the whole guardrail to the staircase slab through the cooperation of the clamping plate 9 and the first fastening bolt 10.

[0025] The side wall of the first limiting tube 2 is threadedly provided with a second fastening bolt 11, and the support rod 1 is connected and fixed to the first limiting tube 2 through the second fastening bolt 11.

[0026] The front side wall of the inserting tube 4 is threadedly provided with a third fastening bolt 12, and both ends of the railing 5 are connected and fixed to the inserting tube 4 through the third fastening bolt 12.

[0027] The front and rear side walls of the U-shaped plate 6 are both threadedly provided with fourth fastening bolts 13, and the U-shaped plate 6 is connected and fixed to the support rod 1 through the fourth fastening bolts 13. The U-shaped plate 6 and the support rod 1 are fixed through the fourth fastening bolts 13, and can also be disassembled.

[0028] The rear side wall of the second limiting tube 8 is threadedly provided with a fifth fastening bolt 14, and the second limiting tube 8 is connected and fixed to the support rod 1 through the fifth fastening bolt 14. The second limiting tube 8 and the support rod 1 are fixed through the fifth fastening bolt 14, and can be disassembled.

[0029] Working principle:

[0030] When installing the entire guardrail, first, sleeved two second limit tubes 8 on the lower ends of the outer sides of two support rods 1 and connect and fix the two with a fifth fastening bolt 14. Sleeved symmetric first limit tubes 2 on the outer sides of the support rods 1 at the upper ends of the second limit tubes 8. Cross bars 3 were welded between the two groups of symmetric first limit tubes 2 during original processing, and railings were longitudinally fixed between the two cross bars 3 with a third fastening bolt 12. Connected and fixed a U-shaped plate 6 and the support rod 1 with a fourth fastening bolt 13 on the outer side of the support rod 1 between the first limit tube 2 and the second limit tube 8, thereby fixing a footrest 7 at the lower end of the guardrail. Finally, fixed the guardrail on both sides of the stair tread through the cooperation of a clamping plate 9 and a first fastening bolt 10.

[0031] The foregoing has shown and described the basic principles, main features and advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-described exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, it is intended to embrace all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention, and any reference signs in the claims should not be regarded as limiting the claims involved.

[0032] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel stair guardrail, comprising two support rods (1), characterized in that: The two support rods (1) are symmetrically arranged, the upper ends and lower ends of the rod walls of the two support rods (1) are sleeved with first limit tubes (2), a cross bar (3) is transversely arranged between the two groups of symmetrical first limit tubes (2), the two cross bars (3) are fixedly provided with evenly arranged insert tubes (4) on the sides close to each other, a handrail (5) is longitudinally arranged between the two corresponding insert tubes (4) above and below, a U-shaped plate (6) is provided at the lower ends of the outer parts of the two support rods (1), a foot plate (7) is fixedly arranged between the two U-shaped plates (6), a second limit tube (8) is sleeved with the lower ends of the outer parts of the two support rods (1), and a clamping plate (9) is fixedly arranged on the front side wall of the second limit tube (8).

2. A new type of stair guardrail according to claim 1, characterized in that: The upper side wall and the lower side wall of the clamping plate (9) are both threadedly provided with a first fastening bolt (10).

3. The novel stair guardrail according to claim 1 is characterized in that: The side wall of the first position limiting tube (2) is threadedly provided with a second fastening bolt (11), and the support rod (1) is connected and fixed to the first position limiting tube (2) via the second fastening bolt (11).

4. The novel stair guardrail according to claim 1 is characterized in that: The front side wall of the insert pipe (4) is threadedly provided with a third fastening bolt (12), and both ends of the railing (5) are connected and fixed to the insert pipe (4) via the third fastening bolt (12).

5. The novel stair guardrail according to claim 1 is characterized in that: The front side wall and the rear side wall of the U-shaped plate (6) are both threadedly provided with fourth fastening bolts (13), and the U-shaped plate (6) is connected and fixed to the support rod (1) via the fourth fastening bolts (13).

6. The novel stair guardrail according to claim 1 is characterized by: A fifth fastening bolt (14) is threadedly provided on the rear side wall of the second position limiting tube (8), and the second position limiting tube (8) is connected and fixed to the support rod (1) via the fifth fastening bolt (14).

Images