Fabricated stair section protective barrier

Abstract

The utility model discloses an assembly type stair section protective handrail which comprises a bottom plate, a fixing screw hole is formed in the inner side of the bottom plate, a threaded rod is welded to the top end of the bottom plate, a supporting rod is connected to the outer side of the threaded rod in a threaded mode, and a threaded groove is formed in the bottom end of the supporting rod. A rotating groove pipe is welded to the top of the outer side of each supporting rod, the outer side of each rotating groove pipe is rotationally sleeved with a rotating groove plate, the inner side of each rotating groove pipe is in threaded connection with a fixing screw rod, and a limiting pipe is welded to the end face of one side of each rotating groove plate. The connecting steps are simple and convenient, rapid adjustment and installation can be carried out according to the length of the stairs, the stair protective fence can be suitable for being used in different fabricated buildings, the building construction efficiency is improved, the stair protective fence is very convenient to disassemble and can be repeatedly used, and resources and cost are saved.

Description

Technical Field

[0001] This utility model relates to the field of prefabricated building technology, specifically to a prefabricated staircase guardrail. Background Technology

[0002] Prefabricated stair railings are important components for edge protection of stair sections in prefabricated buildings. They are designed and installed in various ways to meet different construction needs and safety standards. Due to their prefabricated structure, the railings can be easily disassembled after the building is completed and can be reused in other projects, which is in line with the concept of sustainable development and reduces resource waste.

[0003] However, most existing prefabricated staircases are customized according to the building, making it difficult to flexibly adjust to meet the different specifications of the building. This results in cumbersome use and low installation efficiency due to the need for complicated adjustments. To avoid the above technical problems, it is indeed necessary to provide a prefabricated staircase guardrail to overcome the defects mentioned in the existing technology. Utility Model Content

[0004] This utility model provides a prefabricated staircase guardrail, which can effectively solve the problem mentioned in the background art that most existing prefabricated staircases are customized according to the building, making it difficult to flexibly adjust to meet the different specifications of buildings, resulting in more troublesome use and cumbersome adjustment and low installation efficiency.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a prefabricated stair railing, comprising a base plate, wherein an installation assembly is installed on the top of the base plate;

[0006] The installation components include a fixing screw hole, a threaded rod, a support rod, a threaded groove, a rotating groove tube, a rotating groove plate, a fixing screw, a limit tube, an extension rod, a sliding pin, a sliding groove, a snap-fit ​​block, a snap-fit ​​groove, and a positioning groove;

[0007] The base plate has a fixing screw hole on the inner side, a threaded rod is welded to the top of the base plate, a support rod is threaded to the outer side of the threaded rod, a threaded groove is opened at the bottom end of the support rod, and a rotating groove tube is welded at the top position of the outer side of the support rod.

[0008] A rotating groove plate is rotatably sleeved on the outer side of the rotating groove tube, and a fixing screw is threadedly connected to the inner side of the rotating groove tube. A limit tube is welded to one end face of the rotating groove plate, and an extension rod is slidably connected to the inner side of the limit tube. A sliding pin is welded to the outer end face of the extension rod, and a sliding groove is opened on the outer side of the limit tube at the position corresponding to the sliding pin.

[0009] One end of the extension rod is welded with a snap-fit ​​block, the outer side of the support rod is provided with a snap-fit ​​groove corresponding to the position of the rotating slot tube, and the inner side of the snap-fit ​​block is provided with a positioning groove.

[0010] Preferably, there are two rotating grooves, which are symmetrically welded to the outer side of the support rod. Several fixing screw holes are evenly distributed on the inner side of the base plate.

[0011] Preferably, a pin groove is provided on the inner side of the support rod at the position corresponding to the rotating groove tube, and a movable groove is provided on the rotating groove plate at the position corresponding to the rotating groove tube. The rotating groove plate is rotatably connected to the rotating groove tube through the movable groove.

[0012] Preferably, the inner diameter of the limiting tube is equal to the outer diameter of the extension rod, and the sliding pin is slidably connected to the sliding groove.

[0013] Preferably, a handrail assembly is installed at the top of the support rod;

[0014] The handrail assembly includes an adjustment tube, a square tube, a connecting slot, a limiting slot, a limiting pin, and a connecting pin block;

[0015] An adjusting tube is sleeved at the top of the support rod, and a square tube is rotatably engaged at the top of the adjusting tube. A connecting slot is provided at one end of the square tube, and a limiting groove is provided through the inner side of the square tube. A limiting pin is embedded in the inner side of the limiting groove, and a connecting pin block is welded to the other end of the square tube.

[0016] Preferably, the inner diameter of the adjusting tube is equal to the outer diameter of the support rod, and the limiting pin passes through the adjusting tube and is embedded in the inner side of the limiting groove.

[0017] Compared with the prior art, the advantages of this utility model are: the structure of this utility model is scientific and reasonable, and it is safe and convenient to use.

[0018] 1. The installation components are provided. The fixing screw is passed through the rotating groove tube and the positioning groove and tightened to the inside of the rotating groove tube on the other side. At this time, the two support rods can be connected and fixed. After connecting multiple support rods in this way, a stair railing is formed. The connection steps are simple and convenient, and the installation can be quickly adjusted according to the length of the steps. It can be adapted to different prefabricated buildings, improve the efficiency of building construction, and is very convenient to disassemble and can be reused, saving resources and costs.

[0019] 2. A handrail assembly is installed. The square tube is snapped into the top of the inner side of the adjusting tube. Then, the operator inserts another square tube through the connecting slot onto the outside of the previous connecting pin block. For each square tube connected, the limiting pin is inserted through the adjusting tube into the inside of the limiting groove. At this time, multiple square tubes can be quickly connected to form a stair handrail, which further improves the installation efficiency. Attached Figure Description

[0020] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0021] In the attached diagram:

[0022] Figure 1 This is a schematic diagram of the structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the installation component of this utility model;

[0024] Figure 3 This is a schematic diagram of the installation structure of the fixing screw of this utility model;

[0025] Figure 4 This is a structural schematic diagram of the handrail assembly of this utility model;

[0026] Numbered in the diagram: 1. Base plate;

[0027] 2. Installation components; 201. Fixing screw hole; 202. Threaded rod; 203. Support rod; 204. Threaded groove; 205. Rotating groove tube; 206. Rotating groove plate; 207. Fixing screw; 208. Limiting tube; 209. Extension rod; 210. Sliding pin; 211. Sliding groove; 212. Snap-fit ​​block; 213. Snap-fit ​​groove; 214. Positioning groove;

[0028] 3. Handrail assembly; 301. Adjustment tube; 302. Square tube; 303. Connecting slot; 304. Limiting slot; 305. Limiting pin; 306. Connecting pin block. Detailed Implementation

[0029] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0030] Example: Figure 1-4 As shown, this utility model provides a technical solution: a prefabricated stair railing, including a base plate 1, with an installation component 2 installed on the top of the base plate 1;

[0031] Mounting assembly 2 includes a fixing screw hole 201, a threaded rod 202, a support rod 203, a threaded groove 204, a rotating groove tube 205, a rotating groove plate 206, a fixing screw 207, a limiting tube 208, an extension rod 209, a sliding pin 210, a sliding groove 211, a snap-fit ​​block 212, a snap-fit ​​groove 213, and a positioning groove 214;

[0032] The inner side of the base plate 1 is provided with a fixing screw hole 201. A threaded rod 202 is welded to the top of the base plate 1. A support rod 203 is threaded to the outer side of the threaded rod 202. A threaded groove 204 is provided at the bottom end of the support rod 203. A rotating groove tube 205 is welded at the top position of the outer side of the support rod 203. Two rotating groove tubes 205 are provided. The two rotating groove tubes 205 are symmetrically welded to the outer side of the support rod 203. Several fixing screw holes 201 are provided. Several fixing screw holes 201 are evenly provided on the inner side of the base plate 1 for easy and quick disassembly.

[0033] A rotating groove plate 206 is rotatably sleeved on the outer side of the rotating groove tube 205. A pin groove is opened on the inner side of the support rod 203 at the position corresponding to the rotating groove tube 205. A movable groove is opened on the rotating groove plate 206 at the position corresponding to the rotating groove tube 205. The rotating groove plate 206 is rotatably connected to the rotating groove tube 205 through the movable groove, which is conducive to adjusting the angle. A fixing screw 207 is threadedly connected to the inner side of the rotating groove tube 205. A limiting tube 208 is welded to one end face of the rotating groove plate 206. An extension rod 209 is slidably connected to the inner side of the limiting tube 208. The inner diameter of the limiting tube 208 is equal to the outer diameter of the extension rod 209. A sliding pin 210 is slidably connected to a sliding groove 211, which is convenient for adjusting the length. A sliding pin 210 is welded to the outer end face of the extension rod 209. A sliding groove 211 is opened on the outer side of the limiting tube 208 at the position corresponding to the sliding pin 210.

[0034] One end of the extension rod 209 is welded with a snap-fit ​​block 212. The outer side of the support rod 203 is provided with a snap-fit ​​groove 213 corresponding to the position of the rotating groove tube 205. The inner side of the snap-fit ​​block 212 is provided with a positioning groove 214.

[0035] A handrail assembly 3 is installed at the top of the support rod 203;

[0036] Handrail assembly 3 includes an adjustment tube 301, a square tube 302, a connecting slot 303, a limiting slot 304, a limiting pin 305, and a connecting pin block 306;

[0037] An adjusting tube 301 is sleeved on the top of the support rod 203. A square tube 302 is rotatably snapped onto the top of the adjusting tube 301. A connecting slot 303 is provided at one end of the square tube 302. A limiting groove 304 is provided through the inner side of the square tube 302. A limiting pin 305 is embedded in the inner side of the limiting groove 304. The inner diameter of the adjusting tube 301 is equal to the outer diameter of the support rod 203. The limiting pin 305 passes through the adjusting tube 301 and is embedded in the inner side of the limiting groove 304, which is conducive to quick installation. A connecting pin block 306 is welded to the other end of the square tube 302.

[0038] The working principle and usage process of this utility model are as follows: First, the operator can fix the base plate 1 to the top of the stair steps through the fixing screw hole 201. Then, the operator can thread the support rod 203 to the outer side of the top of the threaded rod 202 through the threaded groove 204. At this time, the support rod 203 and the base plate 1 will be connected as a whole. Then, the operator can rotate the rotating groove plate 206 on the outside of the rotating groove tube 205. And according to the installation position of the two support rods 203, the extension rod 209 can be pulled on the inner side of the limiting tube 208. Then, the snap-fit ​​block 212 can be inserted into the other support rod 203. The inner side of the snap-fit ​​groove 213 is then aligned with the positioning groove 214 and the rotating groove tube 205. Next, the fixing screw 207 is passed through the rotating groove tube 205 and the positioning groove 214 and tightened to the inner side of the rotating groove tube 205 on the other side. At this time, the two support rods 203 can be connected and fixed. After connecting multiple support rods 203 in this way, a stair railing is formed. The connection steps are simple and convenient, and the installation can be quickly adjusted according to the length of the steps. It can be adapted to different prefabricated buildings, improve the efficiency of building construction, and is very convenient to disassemble and can be reused, saving resources and costs.

[0039] Next, the operator can attach the adjusting tube 301 to the top of the support rod 203, and then snap the square tube 302 into the top of the inner side of the adjusting tube 301. Then, the operator can attach another square tube 302 to the outside of the previous connecting pin block 306 through the connecting slot 303. For each square tube 302 connected, the limiting pin 305 is inserted through the adjusting tube 301 into the inner side of the limiting groove 304. At this time, multiple square tubes 302 can be quickly connected to form a stair handrail, which further improves the installation efficiency.

[0040] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A prefabricated stairway segment guardrail, comprising a bottom plate (1), characterized in that: The top end of the bottom plate (1) is provided with a mounting assembly (2); The mounting assembly (2) comprises a fixed screw hole (201), a threaded rod (202), a supporting rod (203), a threaded groove (204), a rotating groove pipe (205), a rotating groove plate (206), a fixed screw rod (207), a limiting pipe (208), an extension rod (209), a sliding pin (210), a sliding groove (211), a clamping block (212), a clamping groove (213) and a positioning groove (214); The inner side of the bottom plate (1) is provided with a fixed screw hole (201), the top end of the bottom plate (1) is welded with a threaded rod (202), the outer side of the threaded rod (202) is threadedly connected with a supporting rod (203), the bottom end of the supporting rod (203) is provided with a threaded groove (204), and the outer side of the supporting rod (203) is welded with a rotating groove pipe (205) at the top position. The outer side of the rotating groove pipe (205) is rotatably sleeved with a rotating groove plate (206), the inner side of the rotating groove pipe (205) is threadedly connected with a fixed screw rod (207), one side end face of the rotating groove plate (206) is welded with a limiting pipe (208), the inner side of the limiting pipe (208) is slidably connected with an extension rod (209), the outer side end face of the extension rod (209) is welded with a sliding pin (210), and the outer side of the limiting pipe (208) is provided with a sliding groove (211) at the corresponding position of the sliding pin (210). One end of the extension rod (209) is welded with a clamping block (212), the outer side of the supporting rod (203) is provided with a clamping groove (213) at the corresponding position of the rotating groove pipe (205), and the inner side of the clamping block (212) is provided with a positioning groove (214).

2. The prefabricated stairway segment guardrail according to claim 1, characterized in that: The rotating groove pipe (205) is provided with two, and the two rotating groove pipes (205) are symmetrically welded at the outer side position of the supporting rod (203), and the fixed screw hole (201) is provided with a plurality of, and the plurality of fixed screw holes (201) are evenly provided at the inner side of the bottom plate (1).

3. The prefabricated stairway segment guardrail according to claim 1, characterized in that: The inner side of the supporting rod (203) is provided with a pin groove at the corresponding position of the rotating groove pipe (205), the rotating groove plate (206) is provided with a movable groove at the corresponding position of the rotating groove pipe (205), and the rotating groove plate (206) is rotatably connected with the rotating groove pipe (205) through the movable groove.

4. The prefabricated stairway segment guardrail according to claim 1, characterized in that: The inner diameter of the limiting pipe (208) is equal to the outer diameter of the extension rod (209), and the sliding pin (210) is slidably connected with the sliding groove (211).

5. The prefabricated stair segment guardrail according to claim 1, characterized in that: The top end of the supporting rod (203) is provided with a handrail assembly (3); The handrail assembly (3) comprises an adjusting pipe (301), a square pipe (302), a connecting slot (303), a limiting slot (304), a limiting pin (305) and a connecting pin block (306); The top end of the supporting rod (203) is sleeved with an adjusting pipe (301), the top end of the adjusting pipe (301) is rotationally clamped with a square pipe (302), one end of the square pipe (302) is provided with a connecting slot (303), the inner side of the square pipe (302) is through-provided with a limiting slot (304), the inner side of the limiting slot (304) is embedded with a limiting pin (305), the other end of the square pipe (302) is welded with a connecting pin block (306).

6. A fabricated stair segment guardrail according to claim 5, characterised in that: The inner diameter of the adjusting pipe (301) is equal to the outer diameter of the supporting rod (203), the limiting pin (305) is embedded in the inner side of the limiting slot (304) through the adjusting pipe (301).

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