Temporary protective barrier for staircase

The design of retractable connecting columns and slope adjustment devices solves the problems of applicability and ease of installation of existing stairwell guardrails, realizes flexible adjustment of guardrail height and angle, and simplifies the use process on the construction site.

CN224063972UActive Publication Date: 2026-03-31HUNAN NO 2 ENG
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-23
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

The current stairwell guardrails at construction sites have fixed dimensions, making it difficult to adapt to staircases with different slopes, and their installation and dismantling are inconvenient.

Method used

It adopts a telescopic connection post and slope adjustment device, including post base, post connection standard section, post connection end section and slope adjustment device, which can freely adjust the height and tilt angle of the guardrail, and achieve quick installation and disassembly through locking pins and positioning balls.

Benefits of technology

It enables flexible adjustment of the guardrail height and tilt angle, simplifies the installation and dismantling process, improves the applicability and reusability of the guardrail, and reduces safety hazards.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224063972U_ABST
    Figure CN224063972U_ABST
Patent Text Reader

Abstract

The utility model discloses a staircase temporary protective barrier, which relates to the technical field of protective barriers, and comprises a telescopic connecting upright post and a protective barrier main body, the telescopic connecting upright post comprises an upright post base, an upright post connecting standard section, an upright post connecting tail section and a gradient adjusting device, the stand column connecting standard knots are installed in the lower stand column bases and can freely adjust the height, the upper stand column connecting standard knot is installed in the lower stand column connecting standard knot and can freely adjust the height, and the stand column connecting tail knot is installed in the lower stand column connecting standard knot and can freely adjust the height. The gradient adjusting devices are installed in the stand column connecting standard section and the stand column connecting tail section respectively and can freely adjust the inclination angle, and the protective handrail body is installed in the gradient adjusting devices. The height of the guardrail and the inclination degree of the guardrail can be freely adjusted, the guardrail is easy to assemble and disassemble and convenient to use, factory prefabrication production is adopted, reutilization can be achieved, the quality of components is guaranteed, and potential safety hazards of the edge of the stair can be effectively reduced.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of guardrail technology, specifically to a temporary guardrail for stairwells. Background Technology

[0002] Currently, the modular temporary guardrails used in stairwells at construction sites often have fixed dimensions. The same set of temporary guardrails is not widely applicable to stairwells with different slopes, and the height of the guardrails cannot be adjusted, which is not conducive to the turnover of temporary guardrails.

[0003] CN204238578U discloses an assembled temporary protective railing for stairwells, including uprights, a swivel joint, a connecting arm, a railing joint, a railing, a telescopic sleeve, and a toe plate. The swivel joint is fitted onto the upright, the connecting arm is inserted into the swivel joint, the railing joint is clamped onto the connecting arm, the railing is housed within the cylinder of the railing joint or the telescopic sleeve, and the toe plate is located at the bottom of the two uprights. Its drawbacks are that installation and disassembly are relatively cumbersome, and it is inconvenient to use. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a temporary protective railing for stairwells that can freely adjust the height and inclination of the railing, and is simple to install and dismantle and easy to use, in order to overcome the shortcomings of the existing technology.

[0005] The technical solution adopted by this utility model to solve its technical problem is: a temporary protective railing for stairwells, including a telescopic connecting post and a railing body. The telescopic connecting post includes a post base, a post connecting standard section, a post connecting end section, and a slope adjustment device. The post connecting standard section is installed in the lower post base and can be freely adjusted in height. The upper post connecting standard section is installed in the lower post connecting standard section and can be freely adjusted in height. The post connecting end section is installed in the lower post connecting standard section and can be freely adjusted in height. The slope adjustment device is installed in the post connecting standard section and the post connecting end section and can be freely adjusted in tilt angle. The railing body is installed in the slope adjustment device.

[0006] Furthermore, the column base includes a base bottom gasket, a base sleeve, and base connection holes; the base bottom gasket is located at the bottom of the base sleeve, and the base connection holes are opened on the side of the base sleeve.

[0007] Furthermore, a connection hole is provided on the bottom pad of the base.

[0008] Furthermore, the standard section connecting the column includes a standard section adjustment box, a standard section locking pin, a standard section sleeve, a standard section positioning ball, and a standard section connection hole; the standard section locking pin is located at the bottom of the standard section adjustment box, the standard section sleeve is located at the top of the standard section adjustment box, the standard section positioning ball is located on the bottom side of the standard section locking pin, the standard section connection hole is located on the side of the standard section sleeve, and holes for installing slope adjustment devices are provided on both sides of the standard section adjustment box.

[0009] Furthermore, the end section of the column connection includes an end section adjustment box, an end section locking pin, and an end section positioning ball. The end section locking pin is located at the bottom of the end section adjustment box, and the end section positioning ball is located on the side of the end section locking pin. The end section adjustment box has holes on both sides for installing a slope adjustment device.

[0010] Furthermore, the slope adjustment device includes a slope adjustment sleeve, a first fastening bolt, and a second fastening bolt. The first fastening bolt passes through the side of the slope adjustment sleeve and is threadedly connected to the slope adjustment sleeve. The second fastening bolt passes through the end of the slope adjustment sleeve and is threadedly connected to the slope adjustment sleeve.

[0011] Furthermore, there are two sets of the first fastening bolts, which are respectively located on both sides of the slope adjustment sleeve; there are two sets of the second fastening bolts, which are respectively located at both ends of the same side of the slope adjustment sleeve.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] The temporary protective railing for stairwells described in this utility model can freely adjust the height and tilt of the railing, and is simple to install and dismantle and easy to use. This utility model is prefabricated in the factory, can be reused, and the quality of the components is guaranteed, which can effectively reduce the safety hazards at the edge of the stairwell. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure when the present utility model is applied in an embodiment;

[0015] Figure 2 This is a structural schematic diagram of the retractable connecting column according to an embodiment of the present utility model;

[0016] Figure 3 This is a split diagram of the retractable connecting column according to an embodiment of the present utility model;

[0017] Figure 4 This is a detailed drawing of the slope adjustment device according to an embodiment of the present utility model;

[0018] Explanation of the reference numerals in the figure:

[0019] 1. Telescopic connecting post; 2. Guardrail body; 3. Staircase; 1.1 Post base; 1.2 Post connecting standard section; 1.3 Post connecting end section; 1.4 Slope adjustment device; 1.1.1 Base bottom gasket; 1.1.2 Base sleeve; 1.1.3 Base connecting holes; 1.2.1 Standard section adjustment box; 1.2.2 Standard section locking pin; 1.2.3 Standard section sleeve; 1.2.4 Standard section positioning ball; 1.2.5 Standard section connecting holes; 1.3.1 End section adjustment box; 1.3.2 End section locking pin; 1.3.3 End section positioning ball; 1.4.1 Slope adjustment sleeve; 1.4.2 First fastening bolt; 1.4.3 Second fastening bolt. Detailed Implementation

[0020] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings and embodiments. Obviously, the described embodiments are only some embodiments, not all embodiments. Based on this embodiment, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0021] Reference Figures 1 to 4 This embodiment provides a temporary protective railing for stairwells, including a retractable connecting post 1 and a railing body 2. The retractable connecting post 1 includes a post base 1.1, a post connecting standard section 1.2, a post connecting end section 1.3, and a slope adjustment device 1.4. The post connecting standard section 1.2 is installed in the lower post base 1.1 and can be freely adjusted in height. The upper post connecting standard section 1.2 is installed in the lower post connecting standard section 1.2 and can be freely adjusted in height. The post connecting end section 1.3 is installed in the lower post connecting standard section 1.2 and can be freely adjusted in height. The slope adjustment device 1.4 is installed in the post connecting standard section 1.2 and the post connecting end section 1.3 respectively and can be freely adjusted in tilt angle. The railing body 2 is installed in the slope adjustment device 1.4.

[0022] In this embodiment, the column base 1.1 includes a base bottom gasket 1.1.1, a base sleeve 1.1.2, and a base connecting hole 1.1.3. The base bottom gasket 1.1.1 is located at the bottom of the base sleeve 1.1.2, and the base connecting hole 1.1.3 is located on the side of the base sleeve 1.1.2. The base bottom gasket 1.1.1 has a connecting hole, which can be used to achieve a fixed connection with the staircase through a connector. The base sleeve 1.1.2 is used to install the column connecting standard section 1.2, and the base connecting hole 1.1.3 allows adjustment of the height of the column connecting standard section 1.2 by selecting the position of the mounting hole.

[0023] In this embodiment, the column connecting standard section 1.2 includes a standard section adjusting box 1.2.1, a standard section locking pin 1.2.2, a standard section sleeve 1.2.3, a standard section positioning ball 1.2.4, and a standard section connecting hole 1.2.5. The standard section locking pin 1.2.2 is located at the bottom of the standard section adjusting box 1.2.1, the standard section sleeve 1.2.3 is located at the top of the standard section adjusting box 1.2.1, the standard section positioning ball 1.2.4 is located on the bottom side of the standard section locking pin 1.2.2, and the standard section connecting hole 1.2.5 is located on the side of the standard section sleeve 1.2.3. The standard section adjusting box 1.2.1 has holes on both sides for installing the slope adjustment device 1.4. The standard section locking pin 1.2.2 is assembled and connected and its height is adjusted via the standard section positioning ball 1.2.4. The standard section connecting holes 1.2.5 allow for adjustment of the height of the standard section 1.2 or the end section 1.3 of the column connection by selecting the position of the mounting holes.

[0024] In this embodiment, the column connecting end section 1.3 includes an end section adjustment box 1.3.1, an end section locking pin 1.3.2, and an end section positioning ball 1.3.3. The end section locking pin 1.3.2 is located at the bottom of the end section adjustment box 1.3.1, and the end section positioning ball 1.3.3 is located on the side of the end section locking pin 1.3.2. The end section adjustment box 1.3.1 has holes on both sides for installing the slope adjustment device 1.4. The end section locking pin 1.3.2 is assembled and connected and its height is adjusted via the end section positioning ball 1.3.3.

[0025] In this embodiment, the slope adjustment device 1.4 includes a slope adjustment sleeve 1.4.1, a first fastening bolt 1.4.2, and a second fastening bolt 1.4.3. The first fastening bolt 1.4.2 passes through the side of the slope adjustment sleeve 1.4.1 and is threadedly connected to it. The second fastening bolt 1.4.3 passes through the end of the slope adjustment sleeve 1.4.1 and is threadedly connected to it. The first fastening bolt 1.4.2 is used to fix the slope adjustment device 1.4 to the standard section 1.2 or the end section 1.3 of the column connection. The second fastening bolt 1.4.3 is used to fix the slope adjustment device 1.4 to the guardrail 2.

[0026] In this embodiment, there are two sets of the first fastening bolts 1.4.2, which are respectively located on both sides of the slope adjusting sleeve 1.4.1; there are two sets of the second fastening bolts 1.4.3, which are respectively located at both ends of the same side of the slope adjusting sleeve 1.4.1.

[0027] The specific implementation process of this embodiment:

[0028] Insert the standard section locking pin 1.2.2 into the base sleeve 1.1.2 and the end section locking pin 1.3.2 into the standard section sleeve 1.2.3. The standard section positioning ball 1.2.4 is matched with the base connecting hole 1.1.3 and the end section positioning ball 1.3.3 is matched with the standard section connecting hole 1.2.5, which can effectively fix and combine the column base 1.1, column connecting standard section 1.2, and column connecting end section 1.3 into a whole, and can also freely adjust the height. The slope adjustment device 1.4 is fixed to the standard section adjustment box 1.2.1 and the end section adjustment box 1.3.1 by the first fastening bolt 1.4.2, and can adjust the angle to adapt to the slope of the stairs. The guardrail body 2 and the telescopic connecting column 1 are connected by the slope adjustment device 1.4. The guardrail body 2 is fixed by tightening the second fastening bolt 1.4.3, and the slope adjustment device 1.4 is adjusted by rotating its angle to adapt to the slope of the stairs.

[0029] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made to it in form and detail without departing from the scope defined by the claims of this utility model.

Claims

1. A temporary stairwell guardrail, characterized by: The utility model provides a kind of telescopic connection stand column and guardrail body, the telescopic connection stand column includes stand column base, stand column connection standard section, stand column connection end section and slope adjustment device, the stand column connection standard section is installed in the stand column base below height freely adjustable, the stand column connection standard section is installed in the stand column connection standard section below height freely adjustable, the stand column connection end section is installed in the stand column connection standard section below height freely adjustable, the slope adjustment device is installed in the stand column connection standard section, the stand column connection end section height freely adjustable inclination angle respectively, the guardrail body is installed in the slope adjustment device.

2. A temporary stairway guardrail according to claim 1, wherein: The stand column base includes base bottom pad, base sleeve and base connection row hole; the base bottom pad is arranged at the bottom of the base sleeve, and the base connection row hole is arranged on the side of the base sleeve.

3. A temporary stairway guardrail according to claim 2, wherein: A connecting hole is arranged on the base bottom pad.

4. A temporary stairway guardrail according to claim 1 or 2, characterised in that: The stand column connection standard section includes standard section adjustment box, standard section locking pin, standard section sleeve, standard section positioning ball and standard section connection row hole; the standard section locking pin is arranged at the bottom of the standard section adjustment box, the standard section sleeve is arranged at the top of the standard section adjustment box, the standard section positioning ball is arranged at the side of the bottom of the standard section locking pin, the standard section connection row hole is arranged on the side of the standard section sleeve, and holes for installing the slope adjustment device are arranged on both sides of the standard section adjustment box.

5. A temporary stairway guardrail according to claim 1 or 2, wherein: The stand column connection end section includes end section adjustment box, end section locking pin and end section positioning ball, the end section locking pin is arranged at the bottom of the end section adjustment box, the end section positioning ball is arranged at the side of the end section locking pin, and holes for installing the slope adjustment device are arranged on both sides of the end section adjustment box.

6. A temporary stairway guardrail according to claim 1 or 2, wherein: The slope adjustment device includes slope adjustment sleeve, first fastening bolt and second fastening bolt, the first fastening bolt penetrates the side of the slope adjustment sleeve and is threadedly connected with the slope adjustment sleeve, and the second fastening bolt penetrates the end of the slope adjustment sleeve and is threadedly connected with the slope adjustment sleeve.

7. A temporary stairway guardrail according to claim 6, wherein: The first fastening bolt has two groups, and is arranged on both sides of the slope adjustment sleeve respectively; the second fastening bolt has two groups, and is arranged at both ends of the same side of the slope adjustment sleeve respectively.

Citation Information

Patent Citations

  • Assembly-type temporary protective handrail for staircase

    CN204238578U