Stairway turnover type safety protection device
Patent Information
- Application Number
- CN202522330790.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-03
- Publication Date
- 2026-09-22
- Estimated Expiration
- 2035-11-03
AI Technical Summary
[0004]但该类技术存在以下不足之处:在安装完竖向防护立杆后,固定端横向圆管和移动端横向圆管的倾斜角度就已经确定,在通过固定片对竖向防护立杆与横杆伸缩管组进行连接固定时,很难保证固定片两个卡扣刚好完全准确的插入到对应第二螺栓孔内,需要很高的精度才能完成连接,在实际安装过程中往往会出现过长或者过短的情况,还需要将竖向防护立杆调节至倾斜状态,保证固定片两个卡扣刚好插入到对应第二螺栓孔内,不仅操作麻烦,倾斜状态的竖向防护立杆也会影响整体稳定性
[0013]与现有技术相比,通过旋转丝杆,可以带动定位块上下移动,从而实现对支撑杆的稳固固定,有效防止了支撑杆在使用过程中的滑动或偏移,保证了装置的整体稳定性,为施工人员提供了可靠的安全保障。
Smart Images

Figure CN224785396U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of stairwell safety protection devices, specifically a reusable and standardized safety protection device for stairwells. Background Technology
[0002] In the field of building construction, stairwells are key areas for vertical transportation, and safety protection during their construction is of paramount importance to ensure the safety of construction workers.
[0003] For example, Chinese Patent No. CN222207328U disclosed on December 20, 2024, a reusable safety protection device for stairwells that can be adaptively adjusted. This device features a retractable horizontal circular tube that can adapt to different stair lengths, and is securely connected to an aluminum alloy template via pins. Since the telescopic tube assembly is rotatably connected to the vertical protective poles, after the vertical protective poles are fixed at both ends of the stair section, the telescopic tube assembly rotates around the vertical protective poles to form protective railings on both sides of the stair steps. Finally, fixing plates are used to connect and fix the vertical protective poles and the horizontal telescopic tube assembly, increasing the stability of the telescopic tube assembly and preventing forward and backward displacement. Through this structural design, assembly and disassembly are quick and efficient, and it can be adjusted according to different stair lengths, making it highly adaptable.
[0004] However, this type of technology has the following drawbacks: After the vertical protective pole is installed, the tilt angles of the horizontal tube at the fixed end and the horizontal tube at the moving end are already determined. When connecting and fixing the vertical protective pole and the horizontal telescopic tube assembly with the fixing plate, it is difficult to ensure that the two clips of the fixing plate are inserted exactly and accurately into the corresponding second bolt holes. High precision is required to complete the connection. In actual installation, the pole is often too long or too short. It is also necessary to adjust the vertical protective pole to a tilted state to ensure that the two clips of the fixing plate are inserted exactly into the corresponding second bolt holes. This is not only cumbersome to operate, but the tilted vertical protective pole will also affect the overall stability. Utility Model Content
[0005] The purpose of this utility model is to provide a reusable and standardized safety protection device for stairwells to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a reusable and standardized safety protection device for stairwells, comprising columns, each column having a pin at its bottom end; two corresponding railings are provided between the two columns, with the opposite ends of the two railings rotatably connected to two mounting blocks, the two mounting blocks being fixed to the outside of the two columns; one end of one railing is fixedly connected to a rod, and the other end of the rod is movably inserted into the other railing; each of the bottom ends of the two railings is fixedly connected to a connecting block, and each of the bottom ends of the two connecting blocks is rotatably connected to a support rod;
[0007] Both columns are fixedly connected to a fixing plate on their outer side. Both fixing plates have an opening on one side. The bottom ends of both support rods are inserted into the corresponding openings. Both fixing plates have a positioning component at their bottom ends.
[0008] Each of the positioning components includes a positioning block, the upper end of which is movably inserted into the opening. A lead screw and a guide rod are provided between the bottom end of the positioning block and the bottom wall of the fixing plate. The lead screw is rotatably connected to the fixing plate and threadedly connected to the positioning block. A fixing block is fixedly connected to the bottom end of the lead screw. The guide rod is fixedly connected to the fixing plate and movably sleeved with the positioning block.
[0009] Preferably, the positioning block is L-shaped, and the bottom end of the support rod is located between the inner wall of the opening and the side wall of the positioning block.
[0010] Preferably, the outer side of the railing is provided with a storage component, the storage component includes a sleeve block, the sleeve block is movably fitted on the outer side of the railing, the upper end of the sleeve block is threaded with a first bolt, the bottom end of the first bolt fits against the outer side of the railing, the bottom end of the sleeve block is provided with a storage opening, the storage opening matches the support rod.
[0011] Preferably, the outer side of the insertion rod is provided with a side groove, and a second bolt is threadedly connected to the outer side of the railing, with the end of the second bolt inserted into the side groove.
[0012] Preferably, the connecting block is designed to be concave.
[0013] Compared with existing technologies, rotating the lead screw can drive the positioning block to move up and down, thereby achieving a stable fixation of the support rod, effectively preventing the support rod from sliding or shifting during use, ensuring the overall stability of the device, and providing reliable safety for construction personnel. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the structure of this utility model;
[0015] Figure 2 This is a schematic diagram of the positioning component structure of this utility model;
[0016] Figure 3 This is a schematic diagram of the storage component structure of this utility model.
[0017] In the diagram: 1. Post; 2. Pin; 3. Railing; 4. Mounting block; 5. Insert rod; 6. Positioning assembly; 61. Positioning block; 62. Screw rod; 63. Guide rod; 64. Fixing block; 7. Storage assembly; 71. Sleeve block; 72. First bolt; 73. Storage opening; 8. Side groove; 9. Second bolt; 10. Support rod; 11. Fixing plate; 12. Opening; 13. Connecting block. Detailed Implementation
[0018] 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.
[0019] Please see Figure 1-3 The present invention provides the following technical solution:
[0020] Example 1: A reusable, standardized safety protection device for stairwells includes two columns 1, each with a pin 2 at its bottom. Two corresponding railings 3 are positioned between the two columns 1, with their opposite ends rotatably connected to two mounting blocks 4. The mounting blocks 4 are fixed to the outside of the two columns 1. One end of one railing 3 is fixedly connected to a rod 5, with the other end of the rod 5 movably inserted into the other railing 3. Connecting blocks 13 are fixedly connected to the bottom of each railing 3, and support rods 10 are rotatably connected to the bottom of each connecting block 13. Fixing plates 11 are fixedly connected to the outside of each column 1, with openings 12 on one side of each fixing plate 11. The bottom ends of the two support rods 10 are inserted into the corresponding openings 12. Each of the following is provided at the bottom: a positioning component 6; each positioning component 6 includes a positioning block 61, the upper end of which is movably inserted into the opening 12. A lead screw 62 and a guide rod 63 are provided between the bottom end of the positioning block 61 and the bottom wall of the fixing plate 11. The lead screw 62 is rotatably connected to the fixing plate 11 and threadedly connected to the positioning block 61. A fixing block 64 is fixedly connected to the bottom end of the lead screw 62. The guide rod 63 is fixedly connected to the fixing plate 11 and movably sleeved with the positioning block 61. By rotating the lead screw 62, the positioning block 61 can be moved up and down, thereby achieving a stable fixation of the support rod 10, effectively preventing the support rod 10 from sliding or shifting during use, ensuring the overall stability of the device, and providing reliable safety for construction personnel.
[0021] The positioning block 61 is set in an "L" shape, and the bottom end of the support rod 10 is located between the inner wall of the opening 12 and the side wall of the positioning block 61 to ensure the restriction effect on the support rod 10.
[0022] The outer side of the insert rod 5 is provided with a side groove 8, and a second bolt 9 is threadedly connected to the outer side of the railing 3. The end of the second bolt 9 is inserted into the side groove 8. The end of the second bolt 9 fits against the inner wall of the side groove 8, thereby ensuring the expansion and contraction stability between the railing 3 and the insert rod 5.
[0023] The connecting block 13 is designed to be concave to ensure that the support rod 10 can be rotated 180 degrees.
[0024] In use, adjust the distance between the two uprights 1 according to the length of different stair sections. After adjustment, connect the two uprights 1 to the aluminum alloy template through the pin 2, and then rotate the second bolt 9 to make the end of the second bolt stick tightly fit with the inner wall of the side groove 8, thereby ensuring the telescopic stability between the railing 3 and the insert rod 5. Then, flip the support rod 10 so that the bottom end of the support rod 10 is inserted into the opening 12. At the same time, rotate the screw 62 through the fixing block 64. The screw 62 will drive the positioning block 61 to move stably upward, and the bottom end of the support rod 10 will be stably located between the inner wall of the opening 12 and the side wall of the positioning block 61, ensuring the stability of the support rod 10, thereby ensuring the stability between the tie rod and the uprights 1, preventing front and back displacement. The operation is more convenient, and the stability between the uprights 1 and the railing 3 can be guaranteed without high precision, making it convenient and practical.
[0025] Example 2, the technical solution of this example, which differs from that of Example 1, further includes: a storage component 7 is provided on the outside of the railing 3, the storage component 7 includes a sleeve block 71, the sleeve block 71 is movably sleeved on the outside of the railing 3, the upper end of the sleeve block 71 is threadedly connected to a first bolt 72, the bottom end of the first bolt 72 is in contact with the outside of the railing 3, the bottom end of the sleeve block 71 is provided with a storage opening 73, and the storage opening 73 is matched with the support rod 10.
[0026] In use, when idle, slide the sleeve block 71 horizontally. When the distance between the slider and the connecting block 13 is sufficient, flip the support rod 10 to a horizontal state. Then slide the sleeve block 71 in the opposite direction so that the end of the support rod 10 away from the connecting block 13 is movably inserted into the storage opening 73 at the bottom of the sleeve block 71. Finally, rotate the first bolt 72. The end of the first bolt 72 is in contact with the outside of the pull rod, thereby preventing the sleeve block 71 from sliding. This allows the support rod 10 to be stored, preventing it from flipping over at will and facilitating transportation.
[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A reusable and standardized safety protection device for stairwells, including columns (1), with pins (2) at the bottom of both columns (1); Its features are, Two corresponding railings (3) are provided between the two columns (1). The opposite ends of the two railings (3) are rotatably connected to two mounting blocks (4). The two mounting blocks (4) are fixed on the outside of the two columns (1). One end of one railing (3) is fixedly connected to a plug (5). One end of the plug (5) is movably inserted into the other railing (3). Both of the railings (3) are fixedly connected to the bottom end of a connecting block (13), and both of the connecting blocks (13) are rotatably connected to a support rod (10); Both of the two columns (1) are fixedly connected to the outside of the fixing plate (11), and both of the two fixing plates (11) have an opening (12) on one side. The bottom ends of the two support rods (10) are inserted into the corresponding openings (12), and both of the two fixing plates (11) have a positioning component (6) at the bottom. Each of the positioning components (6) includes a positioning block (61), the upper end of which is movably inserted into the opening (12). A lead screw (62) and a guide rod (63) are provided between the bottom end of the positioning block (61) and the bottom wall of the fixing plate (11). The lead screw (62) is rotatably connected to the fixing plate (11). The lead screw (62) is threadedly connected to the positioning block (61). A fixing block (64) is fixedly connected to the bottom end of the lead screw (62). The guide rod (63) is fixedly connected to the fixing plate (11). The guide rod (63) is movably sleeved with the positioning block (61).
2. The reusable and standardized safety protection device for stairwells according to claim 1, characterized in that: The positioning block (61) is set in an "L" shape, and the bottom end of the support rod (10) is located between the inner wall of the opening (12) and the side wall of the positioning block (61).
3. The reusable and standardized safety protection device for stairwells according to claim 1, characterized in that: The railing (3) is provided with a storage component (7) on the outside. The storage component (7) includes a sleeve (71). The sleeve (71) is movably fitted on the outside of the railing (3). The upper end of the sleeve (71) is threaded with a first bolt (72). The bottom end of the first bolt (72) is in contact with the outside of the railing (3). The bottom end of the sleeve (71) is provided with a storage opening (73). The storage opening (73) matches the support rod (10).
4. The reusable and standardized safety protection device for stairwells according to claim 1, characterized in that: The outer side of the insert rod (5) is provided with a side groove (8), and a second bolt (9) is threadedly connected to the outer side of the railing (3). The end of the second bolt (9) is inserted into the side groove (8).
5. The reusable and standardized safety protection device for stairwells according to claim 1, characterized in that: The connecting block (13) is designed to be concave.
Citation Information
Patent Citations
Turnover safety protection device capable of being adaptively adjusted in staircase
CN222207328U