Indoor scaffold for house maintenance and modification

CN224648093UActive Publication Date: 2026-08-18CSCEC BRIDGES CO LTD +1
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Patent Information

Application Number
CN202522048834.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-24
Publication Date
2026-08-18
Estimated Expiration
2035-09-24

AI Technical Summary

Technical Problem

[0004]上述现有技术的室内脚手架虽然可以方便携带,但是使用时,其面板尺寸固定,导致脚手架展开后其作业长度有限,施工时针对单面墙体施工需要多次搬运脚手架,影响施工效率

Benefits of technology

[0014]1、本实用新型第一横杆和第二横杆配合端板共同构成一个可踩踏的台面,其可以滑动延伸,并通过锁紧螺栓的锁紧,通过夹块抵紧固定,从而实现长度调节,从而方便适配不同长度墙面的施工使用,降低施工时脚手架移动的次数。

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Abstract

The utility model discloses a kind of indoor scaffolds for house maintenance and alteration, including end plate, first cross bar and second cross bar.The indoor scaffold for house maintenance and alteration, first cross bar and second cross bar are misaligned and mutually adhere, and the end portion bottom surface of first cross bar is fixedly connected with first connecting beam, and the end portion bottom surface of second cross bar is fixedly connected with second connecting beam, and first connecting beam and second connecting beam are symmetrically fixedly connected with corresponding end plate between first guide rod and second guide rod fixedly connected respectively, first guide rod is slidably penetrated through second connecting beam, and second guide rod is slidably penetrated through first connecting beam, and first cross bar and second cross bar cooperate end plate to form a treadable mesa, it can slide extension, and lock by locking bolt, and fixed by clamping block, so as to realize length adjustment, so as to facilitate the construction use of different length wall surface adaptation, reduce the number of scaffold movement when construction.
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Description

Technical Field

[0001] This utility model relates to the field of scaffolding, specifically an indoor scaffolding for house repair and renovation. Background Technology

[0002] Building maintenance and renovation refers to construction activities involving the maintenance, repair, renovation, functional improvement, or partial reconstruction of existing buildings through a series of engineering measures. Its core purpose is to repair damage, eliminate hidden dangers, improve functionality, enhance comfort and aesthetics, and extend the lifespan of the building. Scaffolding is a working platform erected to ensure the smooth progress of various construction processes. It is classified according to its location as external scaffolding and internal scaffolding; and according to different materials as wooden scaffolding, bamboo scaffolding, and steel pipe scaffolding. When used indoors, indoor scaffolding is required.

[0003] When carrying out indoor construction work for house renovation and repair, scaffolding is required due to the high height of the roof and walls. A search revealed a patent document with publication number CN 221546300 U, which discloses a foldable indoor scaffolding whose legs can be folded and fixed, making it convenient to move and carry.

[0004] While the existing indoor scaffolding technology is convenient to carry, its fixed panel dimensions limit its working length after deployment. This necessitates multiple moves of the scaffolding during single-wall construction, impacting efficiency. Therefore, this paper proposes an optimized version of the existing indoor scaffolding technology for building repair and renovation. Utility Model Content

[0005] The purpose of this utility model is to provide an indoor scaffold for house repair and renovation, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] An indoor scaffold for house repair and renovation includes symmetrically arranged end plates. First and second horizontal bars are fixedly connected at equal intervals to opposite sides of each end plate. Each end plate is connected to a support structure. The first and second horizontal bars are staggered and fit together. A first connecting beam is fixedly connected to the bottom surface of the end of each first horizontal bar, with the top surface of the first connecting beam fitting against the bottom surface of the second horizontal bar. A second connecting beam is fixedly connected to the bottom surface of the end of each second horizontal bar, with the top surface of the second connecting beam fitting against the bottom surface of the first horizontal bar. First and second guide rods are symmetrically fixedly connected to the first and second connecting beams and their corresponding end plates, respectively. The first guide rod slides through the second connecting beam, and the second guide rod slides through the first connecting beam. Each first horizontal bar located at the edge has a contraction cavity, within which a matching clamping block is movably arranged. The clamping block corresponds to the corresponding second horizontal bar. A locking bolt is provided on the outer side of the clamping block, threaded onto the first horizontal bar with its end abutting against the clamping block. An anti-slip layer is provided on the end face of the clamping block.

[0008] As a further embodiment of this utility model: the support structure includes symmetrically arranged hinged mounting seats, each of which is fixedly installed with an end plate. A support tube is hinged to the lower part of the end plate corresponding to the hinged mounting seat. A first fixing hole is provided below the hinge point of the support tube corresponding to the hinged mounting seat. A fixing bolt passes through the first fixing hole and also passes through the support tube.

[0009] As a further improvement of this utility model, a first connecting rod is fixedly connected to the bottom of the supporting tubes.

[0010] As a further embodiment of this utility model: a second fixing hole is provided on the hinge mounting base at a horizontally flush position with the hinge point of the support tube. The diameter of the second fixing hole is equal to that of the first fixing hole, and the distance between the second fixing hole and the hinge point of the support tube is equal to the distance between the first fixing hole and the hinge point of the support tube.

[0011] As a further improvement of this utility model: each of the support tubes is slidably connected to an extension rod adapted to it, the bottom end of the extension rod is fixedly connected to a support foot, the bottom end of the support tube is connected to the extension rod through an adjusting bolt, and the extension rod is provided with adjusting holes at equal intervals for the adjusting bolts to pass through.

[0012] As a further improvement of this utility model, a second connecting rod is fixedly connected to the bottom ends of the extension rods.

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

[0014] 1. The first and second horizontal bars of this utility model, together with the end plate, form a platform that can be stepped on. It can slide and extend, and is locked by locking bolts and fixed by clamping blocks, thereby realizing length adjustment. This makes it convenient to adapt to the construction of walls of different lengths and reduces the number of times the scaffolding needs to be moved during construction.

[0015] 2. The support tube of this utility model can rotate around the hinged mounting base as the rotation center, and is vertically fixed by fixing bolts in conjunction with the first fixing hole, and horizontally fixed by fixing bolts in conjunction with the second fixing hole, thereby facilitating the unfolding and folding of the support tube, thus giving the scaffolding a folding function, making it convenient to carry and transport.

[0016] 3. The adjusting bolt of this utility model can pass through different adjusting holes, thereby adjusting the length of the extension rod extending out of the support tube, and thus controlling the support height of the scaffold. It is convenient to adapt to construction needs of different heights. Attached Figure Description

[0017] Figure 1 This is a structural diagram of an indoor scaffolding used for house repair and renovation.

[0018] Figure 2 This is a three-dimensional view of an indoor scaffold used for house repair and renovation.

[0019] Figure 3 This is a partial structural sectional view of an indoor scaffolding used for house repair and renovation.

[0020] Figure 4 This is a diagram illustrating an indoor scaffolding support structure used for house repair and renovation.

[0021] In the diagram: 1. End plate; 2. First crossbar; 3. Second crossbar; 4. Support structure; 5. First connecting beam; 6. Second connecting beam; 7. First guide rod; 8. Second guide rod; 9. Contraction chamber; 10. Clamping block; 11. Locking bolt; 12. Hinge mounting base; 13. Support tube; 14. First fixing hole; 15. Fixing bolt; 16. First connecting rod; 17. Second fixing hole; 18. Extension rod; 19. Support leg; 20. Adjusting bolt; 21. Adjusting hole; 22. Second connecting rod. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1-3 In this embodiment of the utility model, an indoor scaffold for house repair and renovation includes symmetrically arranged end plates 1. First horizontal bars 2 and second horizontal bars 3 are fixedly connected at equal intervals to opposite sides of the end plates 1. Each end plate 1 is connected to a support structure 4. The first horizontal bars 2 and second horizontal bars 3 are staggered and closely fitted together. A first connecting beam 5 is fixedly connected to the bottom surface of the end of the first horizontal bar 2. The top surface of the first connecting beam 5 is fitted to the bottom surface of the second horizontal bar 3. A second connecting beam 6 is fixedly connected to the bottom surface of the end of the second horizontal bar 3. The top surface of the second connecting beam 6 is fitted to the bottom surface of the first horizontal bar 2. First guide rods 7 and 8 guide rods 9 are symmetrically fixedly connected to the corresponding end plates 1. Guide rod 8, first guide rod 7 slides through second connecting beam 6, second connecting beam 6 is provided with guide sleeve for first guide rod 7 to slide through, second guide rod 8 slides through first connecting beam 5, first connecting beam 5 is provided with guide sleeve for second guide rod 8 to slide through, first crossbar 2 located at the edge is provided with contraction cavity 9, a clamping block 10 adapted to it is movably arranged in contraction cavity 9, clamping block 10 corresponds to the corresponding second crossbar 3, a locking bolt 11 is provided on the outside of clamping block 10, locking bolt 11 is threaded to first crossbar 2 and its end abuts against clamping block 10, the end face of clamping block 10 is provided with anti-slip layer, first crossbar 2 is provided with threaded hole for locking bolt 11 threaded connection.

[0024] The first horizontal bar 2 and the second horizontal bar 3 together with the end plate 1 form a platform that can be stepped on. It can slide and extend, and is locked by the locking bolt 11 and fixed by the clamping block 10, thereby realizing the length adjustment. This makes it convenient to adapt to the construction of walls of different lengths and reduces the number of times the scaffolding is moved during construction.

[0025] Please see Figure 4 In this embodiment of the utility model, an indoor scaffold for house repair and renovation includes a support structure 4 comprising symmetrically arranged hinged mounting seats 12, each hinged mounting seat 12 being fixedly installed with an end plate 1. A support tube 13 is hinged to the lower part of the end plate 1 corresponding to the hinged mounting seat 12. A first fixing hole 14 is provided below the hinge point of the support tube 13 corresponding to the hinged mounting seat 12. A fixing bolt 15 passes through the first fixing hole 14 and simultaneously passes through the support tube 13. A threaded hole is provided on the support tube 13 for the fixing bolt 15 to pass through and be threadedly connected.

[0026] A first connecting rod 16 is fixedly connected to the bottom of the support tubes 13, thereby increasing the connection strength between the support tubes 13.

[0027] A second fixing hole 17 is provided on the hinge mounting base 12 at a horizontal position corresponding to the hinge point of the support tube 13. The diameter of the second fixing hole 17 is equal to that of the first fixing hole 14. The distance between the second fixing hole 17 and the hinge point of the support tube 13 is equal to the distance between the first fixing hole 14 and the hinge point of the support tube 13.

[0028] The support tube 13 can rotate around the hinged mounting base 12 as the rotation center, and is vertically fixed by the fixing bolt 15 in conjunction with the first fixing hole 14, and horizontally fixed by the fixing bolt 15 in conjunction with the second fixing hole 17. This makes it easy for the support tube 13 to unfold and fold, thus giving the scaffolding a folding function, making it easy to carry and transport.

[0029] Please see Figure 4 In this embodiment of the utility model, an indoor scaffold for house repair and renovation has an extension rod 18 that is slidably connected inside the support tube 13. The bottom end of the extension rod 18 is fixedly connected to a support leg 19. The bottom end of the support tube 13 is connected to the extension rod 18 through an adjusting bolt 20. The extension rod 18 is provided with adjusting holes 21 at equal intervals for the adjusting bolt 20 to pass through. The adjusting holes 21 are threaded holes. The support tube 13 is provided with a round hole for the adjusting bolt 20 to pass through.

[0030] A second connecting rod 22 is fixedly connected to the bottom ends of the extension rods 18, thereby increasing the connection strength between the extension rods 18.

[0031] The adjusting bolt 20 can pass through different adjusting holes 21 to adjust the length of the extension rod 18 extending out of the support tube 13, thereby controlling the support height of the scaffold. This allows for easy adaptation to construction needs at different heights.

[0032] The working principle of this utility model is as follows:

[0033] In use, first move the scaffolding to the interior of the building that needs repair or renovation. Then, unscrew the fixing bolt 15 until it comes out of the second fixing hole 17. Flip the support tube 13 so that it stands upright. Then, pass the fixing bolt 15 through the first fixing hole 14 and screw it into the threaded hole on the support tube 13 to fix the support tube 13. At this point, the extension rod 18 can be pulled out from the support tube 13 according to the construction height. The adjusting bolt 20 is screwed into the corresponding adjusting hole 21 to form a fixation, so that the scaffolding is supported on the ground. At this point, the locking bolt 11 can be loosened so that the first horizontal bar 2 and the second horizontal bar 3 can slide relative to each other. The length of the platform formed by the first horizontal bar 2 and the second horizontal bar 3 together with the end plate 1 can be adjusted. Then, rotate the locking bolt 11 in the opposite direction so that the clamping block 10 abuts against the second horizontal bar 3 to form a squeezing and fixing effect, thus fixing the scaffolding completely, so that workers can stand on the scaffolding to carry out construction work.

[0034] Although the present invention 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 the present invention should be included within the protection scope of the present invention.

Claims

1. An indoor scaffold for house repair and renovation, comprising symmetrically arranged end plates (1), characterized in that: The end plate (1) is fixedly connected to the opposite sides of the first crossbar (2) and the second crossbar (3) at equal intervals. Each end plate (1) is connected to a support structure (4). The first crossbar (2) and the second crossbar (3) are staggered and fit together. The bottom surface of the end of the first crossbar (2) is fixedly connected to the first connecting beam (5). The top surface of the first connecting beam (5) fits with the bottom surface of the second crossbar (3). The bottom surface of the end of the second crossbar (3) is fixedly connected to the second connecting beam (6). The top surface of the second connecting beam (6) fits with the bottom surface of the first crossbar (2). The first connecting beam (5) and the second connecting beam (6) are both fixedly connected to the corresponding end plate (1). The symmetrical fixed connection has a first guide rod (7) and a second guide rod (8) fixedly connected respectively. The first guide rod (7) slides through the second connecting beam (6), and the second guide rod (8) slides through the first connecting beam (5). A contraction cavity (9) is provided on the first cross bar (2) located at the edge. A clamping block (10) adapted to it is movably arranged in the contraction cavity (9). The clamping block (10) corresponds to the corresponding second cross bar (3). A locking bolt (11) is provided on the outside of the clamping block (10). The locking bolt (11) is threaded to the first cross bar (2) and its end abuts against the clamping block (10). The end face of the clamping block (10) is provided with an anti-slip layer.

2. The indoor scaffolding for house repair and renovation according to claim 1, characterized in that: The support structure (4) includes symmetrically arranged hinged mounting seats (12), each of which is fixedly installed on the end plate (1). A support tube (13) is hinged to the lower part of the end plate (1) of the hinged mounting seat (12). A first fixing hole (14) is provided below the hinge point of the support tube (13) of the hinged mounting seat (12). A fixing bolt (15) passes through the first fixing hole (14) and also passes through the support tube (13).

3. The indoor scaffolding for house repair and renovation according to claim 2, characterized in that: The bottoms of the support tubes (13) are all fixedly connected by a first connecting rod (16).

4. The indoor scaffolding for house repair and renovation according to claim 2, characterized in that: The hinge mounting base (12) has a second fixing hole (17) at the horizontal level of the hinge point of the support tube (13). The diameter of the second fixing hole (17) is equal to that of the first fixing hole (14). The distance between the second fixing hole (17) and the hinge point of the support tube (13) is equal to the distance between the first fixing hole (14) and the hinge point of the support tube (13).

5. An indoor scaffold for house repair and renovation according to claim 2, characterized in that: Each support tube (13) is slidably connected to an extension rod (18) that is adapted to it. The bottom end of the extension rod (18) is fixedly connected to a support foot (19). The bottom end of the support tube (13) is connected to an adjusting bolt (20) through the extension rod (18). The extension rod (18) is provided with adjusting holes (21) at equal intervals for the adjusting bolt (20) to pass through.

6. The indoor scaffolding for house repair and renovation according to claim 5, characterized in that: The bottom ends of the extension rods (18) are fixedly connected to a second connecting rod (22).

Citation Information

Patent Citations

  • Foldable indoor scaffold

    CN221546300U