House building construction protective fence
By designing a sliding connection structure and positioning component with adjustable height, the problem of insufficient suitability and strength of existing guardrails is solved, and stable installation and better protection effect is achieved on stairs of different slopes.
Patent Information
- Application Number
- CN202421616019.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-10
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-07-10
AI Technical Summary
The protective railings for existing house construction are poor in their suitability and are difficult to apply to stairs of different slopes. They have low strength and poor protection effect.
A guardrail including the first column and the second column is designed, and a fixed column and crossbar structure that is connected by slidingly, allows for flexible adjustment of the height difference, and ensures stable installation through positioning components, enhancing impact resistance.
The wide applicability of guardrails on stairs of different slopes has been achieved, the installation strength and protection effect have been improved, and the interception ability on both sides of the stairs has been enhanced.
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Figure CN223048482U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of building construction protection, and particularly relates to a building construction protection railing. Background Art
[0002] The stairs are an important part of a building. During the construction process, construction workers need to move between multiple floors in the building. During the building construction stage, handrails have not been installed beside the stairs yet. Therefore, in order to protect the safety of construction workers in the building, temporary protection railings need to be installed on the stairs.
[0003] In the Chinese utility model patent with the publication number CN221219793U, a building construction protection railing is disclosed. The position of the adjusting block can be adjusted, so that the size of the distance between the adjusting block and the center line of the base can be adjusted, so that different-sized connecting seats can be adapted. In this way, when replacing the railing, the base component can still adapt to the new railing, which facilitates the installation of the new railing and effectively reduces the damage to the stairs.
[0004] After retrieval and research, it is found that there are still some defects and deficiencies in the protection railing proposed in the above-mentioned comparative document during actual application: First, the above protection railing is an integral structure, and the height difference between the left and right two support rods is constant and cannot be adjusted, making it difficult to be applicable to stairs with different slopes, and the applicability of the device is poor. Moreover, the distance between the railing and the stair floor is too large, and it is only supported by two support rods, so the strength of the entire protection railing is low, and the protection effect still needs to be improved. Therefore, it is urgent to improve the existing building construction protection railing to provide a building construction protection railing with better protection effect. Summary of the Utility Model
[0005] The purpose of the utility model is to provide a building construction protection railing with reasonable design, simple structure, wide application range, higher strength and better protection effect for solving the problems existing in the prior art.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A building construction protection railing includes a first upright post. There are two second upright posts between the two first upright posts. Fixed bases are fixedly installed at the bottoms of the first upright post and the second upright posts. Vertical through grooves are opened inside the first upright post and the second upright posts. A fixed column is fixedly connected to the inner bottom end of the vertical through groove inside the second upright post. A first cross bar is sleeved outside the fixed column. A first sliding groove is opened inside the first cross bar. An upper connecting rod assembly is arranged directly above the first cross bar. Positioning components are arranged on the outer walls of the tops of the two second upright posts.
[0008] As a preferred embodiment, the middle part of the fixed column is located in the first sliding groove opened inside the first cross bar, and the connection mode between the fixed column and the first cross bar is a sliding connection.
[0009] As a preferred embodiment, the upper connecting rod assembly includes a second cross bar, a second sliding groove and positioning round holes. The second cross bar is located directly above the first cross bar. A second sliding groove is opened inside the second cross bar. A plurality of the positioning round holes are arranged at equal intervals along the length direction on the outer side of the second sliding groove, and all the plurality of positioning round holes are communicated with the second sliding groove.
[0010] As a preferred embodiment, the first cross bar and the second cross bar are equal in length and always parallel to each other. The first cross bar and the second cross bar are both slidably connected to the second upright column, and the first cross bar and the second cross bar are both rotatably connected to the first upright column. The first sliding groove and the second sliding groove are equal in length.
[0011] As a preferred embodiment, the positioning assembly includes a sleeve, a movable rod, a pull ring, a round block and a spring. The sleeve is embedded and fixed on the outer wall of the top of the second upright column. A movable rod is slidably connected inside the sleeve. A pull ring is fixedly connected to the end of the movable rod outside the sleeve. A round block is fixedly sleeved on the outer side of the middle part of the movable rod, and a spring is arranged between the round block and the sleeve.
[0012] As a preferred embodiment, the movable rod is slidably connected to the second cross bar through the second sliding groove. The round block is snap-fitted to the second cross bar through the positioning round hole, and the round block forms a sliding and telescopic structure inside the sleeve.
[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0014] In the solution of the present utility model:
[0015] In this guardrail, two first cross bars and second cross bars that are equal in length and always parallel to each other are used, which is convenient for flexibly controlling the height difference between the two first upright columns, and can also keep the first upright column and the second upright column in a stable vertical state, facilitating the installation of this guardrail on building stairs with different slopes for protection. Compared with the comparative document, the applicable range of this guardrail is wider and the practicability is stronger. Moreover, the first cross bar and the second cross bar can effectively intercept both sides of the stairs, and the protection effect is better;
[0016] Pull the movable rod to move through the pull ring. When the round block disengages from the positioning round hole, the positioning of the second upright column can be released. At this time, the movable rod and the fixed column can be used to control the two second upright columns to move synchronously along the first chute and the second chute until the fixed bases at the bottoms of the two second upright columns can all abut and fit against the steps of the stairs. Then release the pull ring, use the spring to reset the movable rod, and make the round block snap into another positioning round hole, then the second upright column can be positioned. Using the two second upright columns to cooperate with the two first upright columns can further improve the installation strength of the guardrail, and the impact resistance and protection are stronger. Brief Description of the Drawings
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Now, the drawings are described as follows:
[0018] Figure 1 It is a front view structural schematic diagram of the installation state of the present invention;
[0019] Figure 2 It is a three-dimensional front view structural schematic diagram of the present invention;
[0020] Figure 3 It is a front view structural schematic diagram of the whole upper link assembly of the present invention;
[0021] Figure 4 It is a left view sectional structural schematic diagram of the whole positioning assembly of the present invention;
[0022] Figure 5 It is a left view sectional structural schematic diagram of the state where the round block disengages from the positioning round hole of the present invention.
[0023] In the figure:
[0024] 1, first upright column; 2, second upright column; 3, fixed base; 4, vertical through groove; 5, fixed column; 6, first cross bar; 7, first chute; 8, upper link assembly; 81, second cross bar; 82, second chute; 83, positioning round hole; 9, positioning assembly; 91, sleeve; 92, movable rod; 93, pull ring; 94, round block; 95, spring. Detailed Embodiments
[0025] The following described embodiments are only a part of the embodiments of the present invention and do not represent all embodiments consistent with the present invention. Now, in combination with the drawings, the exemplary embodiments are described as follows:
[0026] As Figures 1-5As shown in the figure, the protective fence for building construction of the utility model includes a first upright post 1. There are two second upright posts 2 between the two first upright posts 1. Fixed bases 3 are fixedly installed at the bottoms of the first upright post 1 and the second upright post 2. Vertical through grooves 4 are opened inside the first upright post 1 and the second upright post 2. A fixed column 5 is fixedly connected to the inner side of the bottom end of the vertical through groove 4 inside the second upright post 2. A first cross bar 6 is sleeved outside the fixed column 5. A first sliding groove 7 is opened inside the first cross bar 6. An upper connecting rod assembly 8 is arranged directly above the first cross bar 6. Positioning assemblies 9 are arranged on the outer walls of the tops of the two second upright posts 2.
[0027] On the basis of the above structure, the middle part of the fixed column 5 is located in the first sliding groove 7 opened inside the first cross bar 6, and the connection mode between the fixed column 5 and the first cross bar 6 is a sliding connection.
[0028] In this embodiment, by setting the fixed column 5, it is convenient for the second upright post 2 to stably slide and adjust along the direction of the first cross bar 6 and the first sliding groove 7.
[0029] On the basis of the above structure, the upper connecting rod assembly 8 includes a second cross bar 81, a second sliding groove 82 and positioning round holes 83. The second cross bar 81 is located directly above the first cross bar 6. A second sliding groove 82 is opened inside the second cross bar 81. A plurality of positioning round holes 83 are equidistantly arranged along the length direction on the outer side of the second sliding groove 82, and all the plurality of positioning round holes 83 are communicated with the second sliding groove 82.
[0030] On the basis of the above structure, the first cross bar 6 and the second cross bar 81 are equal in length and always parallel to each other. Both the first cross bar 6 and the second cross bar 81 are slidably connected to the second upright post 2, and both the first cross bar 6 and the second cross bar 81 are rotatably connected to the first upright post 1. The first sliding groove 7 and the second sliding groove 82 are equal in length.
[0031] In this embodiment, by using the two first cross bars 6 and the second cross bar 81 that are equal in length and always parallel to each other, it is convenient to flexibly control the height difference between the two first upright posts 1, and it is convenient for the protective fence to be installed on building stairs with different slopes for protection.
[0032] On the basis of the above structure, the positioning assembly 9 includes a sleeve 91, a movable rod 92, a pull ring 93, a round block 94 and a spring 95. The sleeve 91 is inlaid and fixed on the outer wall of the top of the second upright post 2. A movable rod 92 is slidably connected inside the sleeve 91. A pull ring 93 is fixedly connected to the end of the movable rod 92 outside the sleeve 91. A round block 94 is fixedly sleeved on the outer side of the middle part of the movable rod 92. A spring 95 is arranged between the round block 94 and the sleeve 91.
[0033] On the basis of the above structure, the movable rod 92 is slidably connected to the second cross bar 81 through the second chute 82. The round block 94 is snap-fitted to the second cross bar 81 through the positioning round hole 83. The round block 94 forms a sliding telescopic structure inside the sleeve 91.
[0034] In this embodiment, the movable rod 92 is pulled to move by the pull ring 93. When the round block 94 disengages from the positioning round hole 83, the positioning of the second upright column 2 can be released, and then the second upright column 2 can be pushed to slide along the first chute 7 and the second chute 82, so that the fixed base 3 at the bottom of the second upright column 2 can be in contact with and fit against the steps of the stairs, further improving the installation strength, impact resistance and protection of the guardrail.
[0035] The working principle of the present utility model is as follows:
[0036] During use, first, the first cross bar 6 and the second cross bar 81, which are equal in length and always parallel to each other, are used to flexibly adjust the height difference between the two first upright columns 1 of the guardrail, and make both the first upright column 1 and the second upright column 2 in a stable vertical state. Then, the guardrail is fixedly installed beside the stairs through the fixed bases 3 fixedly provided at the bottoms of the first upright column 1 and the second upright column 2. As Figure 1 shown in, the guardrail of the present invention can quickly adjust the height difference of the two first upright columns 1 according to the building stairs with different slopes, which is convenient for installation and use on the stairs in various buildings, has a wider application range and stronger practicability. Moreover, the first cross bar 6 and the second cross bar 81 can effectively intercept both sides of the stairs, and the protection effect is better;
[0037] After the guardrail is initially installed on the stairs, the movable rod 92 can also be manually pulled towards the sleeve 91 by the pull ring 93. When the round block 94 disengages from the positioning round hole 83, the positioning of the second upright column 2 can be released. At this time, the movable rod 92 and the fixed column 5 can be used to control the two second upright columns 2 to stably move synchronously along the first chute 7 and the second chute 82 until the fixed bases 3 at the bottoms of the two second upright columns 2 are in contact with and fit against the steps of the stairs as Figure 1 shown. Then, the pull ring 93 is released, and the spring 95 is used to reset the movable rod 92 and the round block 94, so that the round block 94 is snap-fitted into another equally spaced positioning round hole 83 again, and the second upright column 2 can be repositioned. Through the mutual cooperation of the two second upright columns 2 and the two first upright columns 1, the installation strength of the guardrail on the stairs, the overall impact resistance and protection of the guardrail can be further improved.
[0038] The above are only the preferred specific embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model; all equivalent changes, modifications, substitutions and variations made by those skilled in the art in this technical field based on the concept of the present utility model through logical analysis, reasoning or limited experiments on the basis of the prior art shall fall within the protection scope determined by the claims.
Claims
1. A building construction guardrail, comprising a first column (1), characterized in that: Two second columns (2) are arranged between the two first columns (1); a fixed base (3) is fixedly installed at the bottom of the first column (1) and the second column (2); a vertical through groove (4) is provided inside the first column (1) and the second column (2); a fixed column (5) is fixedly connected to the inner side of the bottom end of the vertical through groove (4) inside the second column (2); a first cross bar (6) is sleeved on the outer side of the fixed column (5); a first sliding groove (7) is provided inside the first cross bar (6); an upper connecting rod assembly (8) is arranged directly above the first cross bar (6); and a positioning assembly (9) is provided on the top outer wall of the two second columns (2).
2. A building construction guardrail according to claim 1, characterized in that: The middle part of the fixed column (5) is located in a first sliding groove (7) provided inside the first cross bar (6), and the fixed column (5) and the first cross bar (6) are connected in a sliding manner.
3. A building construction guardrail according to claim 1, characterized in that: The upper connecting rod assembly (8) comprises a second cross bar (81), a second slide groove (82) and a positioning circular hole (83); the second cross bar (81) is located directly above the first cross bar (6); a second slide groove (82) is provided inside the second cross bar (81); a plurality of positioning circular holes (83) are provided on the outer side of the second slide groove (82) at equal intervals along its length direction; and the plurality of positioning circular holes (83) are all connected to the second slide groove (82).
4. A building construction guardrail according to claim 3, characterized in that: The first cross bar (6) and the second cross bar (81) are of equal length and are always in a parallel state with each other; the first cross bar (6) and the second cross bar (81) are both slidably connected to the second column (2); the first cross bar (6) and the second cross bar (81) are both rotationally connected to the first column (1); and the first sliding groove (7) and the second sliding groove (82) are of equal length.
5. A building construction guardrail according to claim 4, characterized in that: The positioning assembly (9) comprises a sleeve (91), a movable rod (92), a pull ring (93), a round block (94) and a spring (95); the sleeve (91) is embedded and fixed on the top outer wall of the second column (2); the interior of the sleeve (91) is slidably connected to the movable rod (92); one end of the movable rod (92) located outside the sleeve (91) is fixedly connected to the pull ring (93); a round block (94) is fixedly sleeved on the outer side of the middle part of the movable rod (92); and a spring (95) is provided between the round block (94) and the sleeve (91).
6. A building construction guardrail according to claim 5, characterized in that: The movable rod (92) is slidably connected to the second cross bar (81) via the second sliding groove (82), the round block (94) is snap-fitted and connected to the second cross bar (81) via the positioning circular hole (83), and the round block (94) forms a sliding telescopic structure on the inner side of the sleeve (91).
Citation Information
Patent Citations
House building construction protective fence
CN221219793U