An assembled railing

Abstract

The utility model relates to the field of balustrade, and specifically discloses an assembly type balustrade, which comprises a ladder section handrail, a starting handrail connected to the first end of the ladder section handrail, a platform handrail connected to the tail end, a stand column connected to the lower part of the starting handrail and the platform handrail through a first connecting assembly, the first connecting assembly comprising a first connecting seat and a stud; the angle between the first connecting seat and the stud is adjustable; the starting handrail is connected to the corresponding first connecting seat, the platform handrail is connected to the corresponding first connecting seat, and the stud is connected to the stand column. With the above structure, the installation can be completed by using plug-in connection and threaded assembly without welding. The utility model solves the problems of inconvenient installation, high skill requirement for construction personnel, generation of pollutants during the welding process and inconvenient disassembly in the prior art.

Description

Technical Field

[0001] This utility model relates to the field of railings, specifically to a prefabricated railing. Background Technology

[0002] Railings are facilities used for edge area isolation and safety protection in buildings, viewing platforms, staircases, and other similar locations. They are also common and critical safety components in daily life, playing important roles in personnel protection, area separation, movement guidance, and safety warnings. They are widely used in residential buildings, industrial plants, public transportation facilities, and various public buildings. Current railing technology typically consists of handrails, posts, balustrades, and various connecting parts. Under traditional manufacturing processes, their main components are often made of one-piece metal molding and fixed or connected by on-site welding.

[0003] The existing railings have the following problems: the railings in the current technology are generally welded on site, which is inconvenient to install and requires high skills from the construction personnel; the welding process is also prone to generating pollutants such as smoke and harmful gases, which will pollute the environment; moreover, disassembly is inconvenient and not conducive to later dismantling or maintenance. Utility Model Content

[0004] The purpose of this utility model is to provide a prefabricated railing to address the above-mentioned problems, thereby solving the issues of inconvenient installation, high skill requirements for construction personnel, and inconvenient disassembly in the existing technology.

[0005] To achieve the above objectives, this utility model discloses a prefabricated railing, including a stair section handrail. The first end of the stair section handrail is connected to a starting handrail, and the last end is connected to a platform handrail. Both the starting handrail and the platform handrail are connected to a post below via a first connecting assembly. The first connecting assembly includes a first connecting seat and a post head. The first connecting seat is connected to the post head, and the angle between the first connecting seat and the post head is adjustable. The starting handrail is connected to the corresponding first connecting seat, the platform handrail is connected to the corresponding first connecting seat, and the post head is connected to the post.

[0006] With the above structure, both the starting handrail and the platform handrail are connected to the column via the first connecting component, and installation can be completed using fastening assembly. This structure is not only easy to install, allowing ordinary workers to complete the installation, but also avoids the generation of harmful substances caused by welding during the installation process. Furthermore, the first connecting component can be adjusted to accommodate different installation angles of the starting handrail or platform handrail. When the starting handrail or platform handrail is installed in an environment with a certain degree of inclination, the angle between the starting handrail or platform handrail and the column head can be adjusted by adjusting the relative angle between the first connecting seat and the column head, and then fastened with bolts or other means, thus facilitating the inclined installation of the starting handrail or platform handrail. This solves the problems of inconvenient installation, high skill requirements for construction personnel, and inconvenient disassembly in existing technologies.

[0007] As a further improvement of this utility model, the stair handrail includes multiple handrail bars connected by a first connecting rod, and the first connecting rod and the handrail bars are connected by a first screw assembly. The first screw assembly includes two first sealing plates and a first screw. The two first sealing plates are respectively fixed to the ends of the first connecting rod and the handrail bar that are close to each other. The first screw is fixedly connected to one of the first sealing plates and threadedly connected to a threaded hole on the adjacent first sealing plate. With the above structure, the first screw is threadedly assembled with the two first sealing plates, and the two first sealing plates are threadedly assembled with the corresponding handrail bars, thus achieving a tight assembly of adjacent handrail bars. The first connecting rod and the stair handrail are connected by the first screw assembly, allowing multiple stair handrail sections to be easily and stably extended, enabling the prefabricated railing to be extended as a whole as needed.

[0008] As a further improvement of this utility model, the first connecting rod is a hollow tubular structure; the two first lead screws on the two first lead screw assemblies located at both ends of the first connecting rod are an integral structure penetrating the interior of the first connecting rod; the first sealing plate on the handrail has threaded holes and is threadedly connected to the ends of the first lead screws; the first lead screws are coaxial with the first connecting rod. With the above structure, since the first lead screws coaxially penetrate the first connecting rod or the handrail section, they can prevent the first connecting rod or the handrail section from shifting eccentrically, making the connection between the first connecting rod and the handrail section more stable.

[0009] As a further improvement of this utility model, the first connecting rod is connected to a column via a first connecting assembly; the first connecting seat is connected to the first connecting rod, and the column head is connected to the column. With this structure, the column supports the first connecting rod, thereby supporting the stair handrail, improving the load-bearing capacity of the stair handrail, and making the overall structure of the prefabricated railing more stable.

[0010] As a further improvement of this utility model, the starting handrail and the stair handrail are connected by a first plug-in assembly, which includes a first plug-in part and a first receiving part; one end of the first plug-in part is connected to the first receiving part, and the other end is connected to the end of the starting handrail; one end of the first receiving part is connected to the first plug-in part, and the other end is connected to the end of the stair handrail; the angle between the first plug-in part and the first receiving part is adjustable. With the above structure, when a certain turning angle is required between the starting handrail and the stair handrail, the installation requirements for different turning angles can be achieved by adjusting the angle between the first plug-in part and the first receiving part and tightening it with screws.

[0011] As a further improvement of this utility model, the starting handrail has a U-shaped structure, comprising an interface segment, a bending section, and a sealing segment connected in sequence. The interface segment connects to the stair handrail, and the extension direction of the sealing segment is parallel to the extension direction of the interface segment, with the sealing segment located directly below the interface segment. The platform handrail is L-shaped, with one end connected to the stair handrail and the other end connected to the stair handrail in the turning direction, for extending the stair handrail in the turning direction. With this structure, when a user reaches the end of the railing, their hand can naturally and comfortably slide down the curve, effectively avoiding the risk of the user being scratched by the end of the handrail. The bending change also serves as a guide and a warning of the end of the journey. The turning section connects to the stair handrail 1 at the turning point, achieving a smooth transition and extension of the stair handrail 1 at the turning point.

[0012] As a further improvement of this utility model, the post is a hollow tubular structure with multiple through holes on its side wall; a pre-embedded pipe passes through the bottom of the post, and a base is fixedly installed at the bottom of the pre-embedded pipe; the post and the pre-embedded pipe are connected by a fastener passing through the through holes and the side wall of the pre-embedded pipe. Using the above structure, the overall height of the railing can be flexibly adjusted by adjusting the alignment of the through holes and the side wall of the pre-embedded pipe, thus adapting to the height requirements of the railing in different installation environments.

[0013] As a further improvement of this utility model, a child handrail is provided below the stair section handrail. The first end of the child handrail is connected to a starting child handrail, and the last end is connected to a platform child handrail. The starting child handrail is connected to a corresponding column via a corresponding second connecting component, and the platform child handrail is also connected to a corresponding column via a corresponding second connecting component. The second connecting component includes a second connecting seat and a child handrail connecting seat. The second connecting seat is connected to the child handrail connecting seat, and the angle between the second connecting seat and the child handrail connecting seat is adjustable. The starting child handrail is connected to its corresponding second connecting seat, the platform child handrail is connected to its corresponding second connecting seat, and the child handrail connecting seat is connected to its corresponding column. With this structure, the child handrail below the stair section handrail can meet the needs of children. The connection of the starting child handrail and the platform child handrail to the column makes the structure more stable, providing children with a reliable and secure handrail facility. The second connecting component can also be adjusted to suit the different installation requirements of the starting child handrail and the platform child handrail. When the starting child handrail or the platform child handrail is installed in an environment with a certain degree of inclination, the relative angle between the second connecting seat and the child handrail connecting seat can be adjusted and fastened with bolts or other means to achieve the angle adjustment between the starting child handrail or the platform child handrail and the column, which facilitates the inclined installation of the starting child handrail or the platform child handrail.

[0014] As a further improvement of this utility model, the stair section child handrail includes multiple child handrail bars, which are connected by a second connecting rod. The second connecting rod and the child handrail bars are connected by a second screw assembly. The second screw assembly includes a second sealing plate and a second screw. Both ends of the second connecting rod and the end of the child handrail bar near the second connecting rod are connected to a second sealing plate. The second screw is fixedly connected to one of the second sealing plates and threadedly connected to the adjacent second sealing plate. The child handrail bar and the second connecting rod are hollow tubular structures. The second screw is an integral rod structure passing through the second connecting rod and connected to both ends of the second connecting rod. The second screw and the second connecting rod are coaxial. Using the above structure, the second connecting rod and the child handrail bar can be conveniently and stably extended by the second screw assembly.

[0015] As a further improvement of this utility model, the second connecting rod is connected to the column via a second connecting assembly; the second connecting seat of the second connecting assembly is connected to the second connecting rod, and the child handrail connecting seat of the second connecting assembly is connected to the column; the starting child handrail is connected to the child handrail bar via a second plug-in assembly, which includes a second plug-in part and a second receiving part; one end of the second plug-in part is connected to the second receiving part, and the other end is connected to the child handrail of the escalator section; one end of the second receiving part is connected to the second plug-in part, and the other end is connected to the starting child handrail; the angle between the second plug-in part and the second receiving part is adjustable; the starting child handrail has a U-shaped structure, including a straight section, a curved section, and a parallel section connected in sequence; the straight section is connected to the child handrail bar, the parallel section is parallel to the straight section, and the parallel section and the straight section are respectively located on both sides of the corresponding column. With the above structure, the second connecting rod is connected to the column, and the column supports the child handrail of the escalator section, improving the load-bearing capacity of the child handrail of the escalator section. By adjusting the relative angle between the second connector and the second receiving part, and tightening it with screws, the installation requirements for different turning angles between the starting child handrail and the step child handrail can be met. Furthermore, the U-shaped structure of the starting child handrail can serve as a guide and a warning at the end of the journey through its bending changes.

[0016] In summary, the beneficial effects of this utility model are as follows: the handrails of the stair section handrail are connected to each other via a first connecting rod; the stair section handrail is connected to the starting handrail via a first plug-in assembly; the stair section handrail is connected to the platform handrail via a first threaded rod assembly; and the stair section handrail, starting handrail, platform handrail, and uprights are all connected via the first connecting assembly. Installation can be completed using plug-in and threaded assembly, eliminating the need for welding. Furthermore, the angles of the first plug-in assembly and the first connecting assembly can be adjusted according to the installation environment. This solves the problems of inconvenient installation and high skill requirements for construction personnel in existing technologies, the easy generation of pollutants such as fumes and harmful gases during welding, and the inconvenience of disassembly, which hinders later modification or maintenance. Attached Figure Description

[0017] Figure 1 This is a front view of one embodiment of a prefabricated railing according to this utility model.

[0018] Figure 2 yes Figure 1 A top view of an embodiment of the prefabricated railing shown.

[0019] Figure 3 yes Figure 1 A perspective view of an embodiment of the prefabricated railing shown.

[0020] Figure 4 yes Figure 2 The illustrated embodiment of the prefabricated railing is shown in a sectional view along the AA direction.

[0021] Figure 5 yes Figure 4 The enlarged view of point C in the embodiment of the prefabricated railing shown.

[0022] Figure 6 yes Figure 2 The illustrated embodiment of the prefabricated railing is shown in a cross-sectional view along the BB direction.

[0023] Figure 7 This is a structural view of the first plug-in component according to an embodiment of the present invention.

[0024] Figure 8 yes Figure 1 The diagram shows a cross-sectional view of one embodiment of the prefabricated railing after it has been installed on the ground.

[0025] In the diagram: 1. Staircase handrail; 100. Handrail bar; 2. Starting handrail; 200. Interface section; 201. Sealing section; 202. Bending part; 3. Platform handrail; 4. First connecting assembly; 41. First connecting seat; 411. Socket; 412. Mounting plate; 42. Column head; 421. Plug; 422. Sleeve; 5. Column; 6. First connecting rod; 7. First lead screw assembly; 71. First sealing plate; 72. First lead screw; 73. First connecting plate; 8. First plug-in assembly; 81. First plug-in part; 811. Protrusion; 82. First receiving part; 822. Groove; 9. Through hole; 10. Embedded pipe. 11. Embedded opening; 12. Base; 13. Fixing plate; 14. Filler; 15. Child handrail for stair section; 150. Child handrail bar; 16. Terminal child handrail; 161. Straight section; 162. Curved section; 163. Parallel section; 17. Platform child handrail; 18. Second connecting assembly; 181. Second connecting seat; 182. Child handrail connecting seat; 19. Second connecting rod; 20. Fixing piece; 21. Second screw assembly; 211. Second sealing plate; 212. Second screw; 213. Second connecting plate; 22. Second plug-in assembly; 221. Second plug-in part; 222. Second receiving part. Detailed Implementation

[0026] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit its scope.

[0027] Reference Figures 1 to 6 , Figure 8In some embodiments of this utility model, a prefabricated railing includes a staircase handrail 1, with a starting handrail 2 connected to the first end of the staircase handrail 1 and a platform handrail 3 connected to the last end; both the starting handrail 2 and the platform handrail 3 are connected to a post 5 via a first connecting assembly 4, which includes a first connecting seat 41 and a post head 42; the first connecting seat 41 and the post head 42 are connected by bolts or by a threaded connecting shaft and nut. When the angle needs to be adjusted, the bolts or nuts are loosened; after adjustment, the bolts or nuts are tightened to achieve an adjustable angle between the first connecting seat 41 and the post head 42; the starting handrail 2 is connected to the corresponding first connecting seat 41, the platform handrail 3 is connected to the corresponding first connecting seat 41, and the post head 42 is connected to the post 5.

[0028] Through the above improvements, both the starting handrail 2 and the platform handrail 3 are connected to the column 5 via the first connecting component 4. The connection method is plug-in or threaded assembly, eliminating the need for welding. This structure not only simplifies installation, allowing ordinary workers to complete the installation, but also avoids the generation of harmful substances caused by welding during installation. Furthermore, the first connecting component 4 can be adjusted to accommodate different installation angles of the starting handrail 2 and the platform handrail 3. When the starting handrail 2 and the platform handrail 3 are installed in an environment with a certain degree of inclination, the angle between the starting handrail 2 or the platform handrail 3 and the column head 42 can be adjusted by adjusting the relative angle between them, facilitating the inclined installation of the starting handrail 2 or the platform handrail 3. This solves the problems of inconvenient installation, high skill requirements for construction personnel, easy generation of contaminants during welding, and inconvenient disassembly in existing technologies.

[0029] Reference Figure 5In some embodiments of this utility model, the stair handrail 1 includes multiple handrail bars 100, which are connected by a first connecting rod 6. The first connecting rod 6 and the handrail bars 100 are connected by a first lead screw assembly 7. The first lead screw assembly 7 includes two first sealing plates 71 and a first lead screw 72. The two first sealing plates 71 are respectively fixed to the ends of the first connecting rod 6 and the handrail bars 100 that are close to each other. The first lead screw 72 is fixedly connected to one of the first sealing plates 71 and threadedly connected to the threaded hole on the adjacent first sealing plate 71. The first connecting rod 6 is a hollow tubular structure. The two first lead screws 72 on the two first lead screw assemblies 7 at both ends of the first connecting rod 6 are integral structures that penetrate the interior of the first connecting rod 6. The first sealing plate 71 on the handrail bar 100 is provided with a threaded hole and threadedly connected to the end of the first lead screw 72. The first lead screw 72 is coaxial with the first connecting rod 6. The first connecting rod 6 is connected to the column 5 via the first connecting assembly 4; the first connecting seat 41 of the first connecting assembly 4 is connected to the first connecting rod 6, and the column head 42 of the first connecting assembly 4 is connected to the column 5. With the above structure, the first connecting rod 6 and the handrail 100 can be conveniently and stably extended via the first threaded rod 72 assembly 7, allowing the stair handrail 1 to be extended as needed; moreover, since the two first threaded rods 72 on the two first threaded rod assemblies 7 at both ends of the first connecting rod 6 are an integral structure penetrating the interior of the first connecting rod 6, and the coaxial first threaded rods 72 penetrate the first connecting rod 6, they can prevent the first connecting rod 6 from shifting eccentrically, making the connection between the first connecting rod 6 and the handrail 100 more stable; furthermore, the column 5 supports the stair handrail 1 via the first connecting rod 6, making the overall structure of the railing more stable.

[0030] Reference Figures 1 to 4 and Figures 6 to 8 In some embodiments of this utility model, the starting handrail 2 and the stair handrail 1 are connected by a first plug-in assembly 8. The first plug-in assembly 8 includes a first plug-in part 81 and a first receiving part 82. One end of the first plug-in part 81 is connected to the first receiving part 82, and the other end is connected to the end of the starting handrail 2. One end of the first receiving part 82 is connected to the first plug-in part 81, and the other end is connected to the end of the stair handrail 1. The first plug-in part 81 and the first receiving part 82 are connected by bolts or by a connecting shaft and nut with internal threads. When the angle needs to be adjusted, the bolts or nuts are loosened; after adjustment, the bolts or nuts are tightened to achieve adjustable angle between the first plug-in part 81 and the first receiving part 82. With the above structure, when a certain turning angle is required between the starting handrail 2 and the stair handrail 1, the installation requirements for different turning angles can be achieved by adjusting the angle between the first plug-in part 81 and the first receiving part 82 and tightening with screws.

[0031] Reference Figures 1 to 4 , Figure 6 , Figure 8 The starting handrail 2 has a U-shaped structure, comprising an interface section 200, a bend 202, and a sealing section 201 connected in sequence. The interface section 200 connects to the stair handrail 1, and the sealing section 201 extends parallel to the extension direction of the interface section 200, with the sealing section 201 located directly below the interface section 200. The platform handrail 3 is L-shaped, with one end connected to the stair handrail 1 and the other end connected to the stair handrail 1 in the turning direction, serving as an extension of the stair handrail 1 in the turning direction. With this structure, when a user reaches the end of the railing, their hand can slide naturally and comfortably down the curve, effectively avoiding the risk of being scratched by the end of the stair handrail 1. The bending change also serves as a guide and a warning of the end of the journey. The turning section 32 connects to the stair handrail 1 at the turning point, achieving a smooth transition and extension of the stair handrail 1 at the turning point.

[0032] Reference Figure 3 and Figure 8 The column 5 is a hollow tubular structure with multiple through holes 9 on its sidewalls. A pre-embedded pipe 10 passes through the bottom of the column 5, and a base 12 is fixedly installed at the bottom of the pre-embedded pipe 10. A downward-extending pre-embedded opening 11 is provided on the ground, and the base 12 is fixedly installed at the bottom of the pre-embedded opening 11. The pre-embedded pipe 10 is reinforced by a fixing plate 12 and / or filler 13. The fixing plate 13 can be a stone slab or other plate-like material for fixing, and the filler 14 can be cement or other cast-in-place material for fixing. The column 5 and the pre-embedded pipe 10 are connected by a fastener 20 passing through the through holes 9 and the sidewalls of the pre-embedded pipe 10. The fastener 20 can be an expansion bolt or a self-drilling screw. Using this structure, the overall height of the railing can be flexibly adjusted by adjusting the mating position of the through holes 9 and the sidewalls of the pre-embedded pipe 10, thus adapting to the height requirements of the railing in environments where installation is not required.

[0033] Reference Figures 1 to 4 , Figure 6 , Figure 8Below the handrail 1 of the stair section, there is a child handrail 15. The first end of the child handrail 15 is connected to the starting child handrail 16, and the last end is connected to the platform child handrail 17. The starting child handrail 16 is connected to the corresponding column 5 through the corresponding second connecting component 18, and the platform child handrail 17 is connected to the corresponding column 5 through the corresponding second connecting component 18. The second connecting component 18 includes a second connecting seat 181 and a child handrail connecting seat 182. The second connecting seat 181 and the child handrail connecting seat 182 are connected by bolts or by a connecting shaft and nut with internal threads. When the angle needs to be adjusted, the bolts or nuts are loosened. After adjustment, the bolts or nuts are tightened to make the angle between the second connecting seat 181 and the child handrail connecting seat 182 adjustable. The starting child handrail 16 is connected to the corresponding second connecting seat 181, the platform child handrail 17 is connected to the corresponding second connecting seat 181, and the child handrail connecting seat 182 is connected to the corresponding column 5. With the above structure, the child handrail 15 of the escalator can meet the needs of children; the starting child handrail 16 and the platform child handrail 17 are connected to the column 5, making the structure more stable and providing children with reliable and stable handrail facilities.

[0034] Reference Figure 6 The child handrail 15 of the stair section includes multiple child handrail bars 150, which are connected by a second connecting rod 19. The second connecting rod 19 and the child handrail bars 150 are connected by a second screw assembly 21. The second screw assembly 21 includes a second sealing plate 211 and a second screw 212. The two ends of the second connecting rod 19 and the end of the child handrail bar 150 near the second connecting rod 19 are connected to the second sealing plate 211. The second screw 212 is fixedly connected to one of the second sealing plates 211 and threadedly connected to the other adjacent second sealing plate 211. A second connecting plate 213 connects the two adjacent second sealing plates 212. The child handrail bar 150 and the second connecting rod 19 are hollow tubular structures. The second screw 212 is an integral rod structure that passes through the second connecting rod 19 and is connected to both ends of the second connecting rod 19. The second screw 212 and the second connecting rod 19 are coaxial. With the above structure, the second connecting rod 19 and the child handrail 150 can be conveniently and stably extended through the second lead screw 212 assembly 21.

[0035] Reference Figure 1 , Figure 3 , Figure 6The second connecting rod 19 is connected to the column 5 via the second connecting assembly 18; the second connecting seat 181 of the second connecting assembly is connected to the second connecting rod 19, and the child handrail connecting seat 182 of the second connecting assembly is connected to the column 5; the starting child handrail 16 and the child handrail 150 are connected via the second plug-in assembly 22, which includes a second plug-in part 221 and a second receiving part 222; one end of the second plug-in part 221 is connected to the second receiving part 222, and the other end is connected to the child handrail 15 of the escalator; one end of the second receiving part 222 is connected to the second plug-in part 221, and the other end is connected to the starting child handrail 15. 6. The second insertion part 221 and the second receiving part 222 are connected by bolts or by a threaded connecting shaft and nut. When the angle needs to be adjusted, the bolts or nuts are loosened; after adjustment, the bolts or nuts are tightened to make the angle between the second insertion part 221 and the second receiving part 222 adjustable. The starting child handrail 16 has a U-shaped structure, including a straight section 161, a curved section 162 and a parallel section 163 connected in sequence. The straight section 161 is connected to the child handrail 150, and the parallel section 163 is parallel to the straight section 161, and the parallel section 163 and the straight section 161 are located on both sides of the corresponding upright 5. With the above structure, the second connecting rod 19 is connected to the upright 5, and the upright 5 supports the child handrail 15 of the stair section, improving the load-bearing capacity of the child handrail 15 of the stair section. Furthermore, by adjusting the relative angle between the second insertion part 221 and the second receiving part 222, the installation requirements for different turning angles between the starting child handrail 16 and the step child handrail 15 can be met.

[0036] The working principle of this prefabricated railing is as follows: The handrail 100 of the stair section handrail 1 is fastened to the first connecting rod 6 via the first threaded rod assembly 7. The child handrail 15 of the stair section is fastened to the second connecting rod 19 via the second threaded rod assembly 21. The sleeve 422 at the lower end of the column head 42 is fastened to the column 5 via a threaded or snap-fit ​​connection, without welding. Then, the socket 411 on the plug 421 at the upper end of the column head 42 and the socket 411 on the first connecting seat 41 are fixed and locked with bolts or a connecting shaft with internal threads and nuts. The second connecting rod 19 is connected to the side wall of the column 5 via the second connecting assembly 18. The installation angle of the stair section handrail 1 can be adjusted according to the actual site conditions by adjusting the relative angle between the column head 42 and the first connecting seat 41; similarly, the installation angle of the child handrail 15 of the stair section can also be adjusted. A downward-extending pre-embedded opening 11 is provided on the ground. After the base 12 is fixedly installed to the bottom of the pre-embedded opening 11, the pre-embedded pipe 10 is fixedly connected to the base 12, and the pre-embedded pipe 10 is reinforced with stone slabs and / or cement. After the pre-embedded pipe 10 is installed, the column 5 is fixed to the pre-embedded pipe 10 with stainless steel self-tapping screws. Then, the starting handrail 2 and the starting child handrail 16 are installed on the corresponding stair section handrail 1 and stair section child handrail 15 respectively through the first plug-in component 8 and the second plug-in component 22; the starting handrail 2 and the starting child handrail 16 are installed on the column 5 respectively through the first connecting component 4 and the second connecting component 18.

[0037] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and substitutions can be made without departing from the technical principles of the present utility model, and these improvements and substitutions should also be considered within the protection scope of the present utility model.

Claims

1. A prefabricated railing, comprising a stair section handrail (1), wherein the first end of the stair section handrail (1) is connected to a starting handrail (2), and the last end is connected to a platform handrail (3), characterized in that, Both the starting handrail (2) and the platform handrail (3) are connected to a column (5) via a first connecting component (4). The first connecting component (4) includes a first connecting seat (41) and a column head (42). The first connecting seat (41) is connected to the column head (42), and the angle between the first connecting seat (41) and the column head (42) is adjustable. The starting handrail (2) is connected to the corresponding first connecting seat (41), the platform handrail (3) is connected to the corresponding first connecting seat (41), and the column head (42) is connected to the column (5). The stair handrail (1) includes multiple handrail bars (100), which are connected to each other via a first connecting rod (6). The first connecting rod (6) and the handrail bars (100) are connected via a first screw assembly (7). It includes two first sealing plates (71) and a first lead screw (72). The two first sealing plates (71) are respectively fixed to the ends of the first connecting rod (6) and the handrail (100) that are close to each other. The first lead screw (72) is fixedly connected to one of the first sealing plates (71) and threadedly connected to the threaded hole on the adjacent other first sealing plate (71). The first connecting rod (6) is a hollow tubular structure. The two first lead screws (72) on the two first lead screw assemblies (7) located at both ends of the first connecting rod (6) are an integral structure that penetrates the interior of the first connecting rod (6). The first sealing plate (71) on the handrail (100) is provided with a threaded hole and threadedly connected to the end of the first lead screw (72). The first lead screw (72) is coaxial with the first connecting rod (6).

2. The prefabricated railing as described in claim 1, characterized in that, The first connecting rod (6) is connected to the column (5) via the first connecting component (4); the first connecting seat (41) of the first connecting component (4) is connected to the first connecting rod (6), and the column head (42) of the first connecting component (4) is connected to the column (5).

3. The prefabricated railing as described in claim 1, characterized in that, The starting handrail (2) and the stair handrail (1) are connected by a first plug-in assembly (8), which includes a first plug-in part (81) and a first receiving part (82). One end of the first plug-in part (81) is connected to the first receiving part (82), and the other end is connected to the end of the starting handrail (2). One end of the first receiving part (82) is connected to the first plug-in part (81), and the other end is connected to the end of the stair handrail (1). The angle between the first plug-in part (81) and the first receiving part (82) is adjustable.

4. The prefabricated railing as described in claim 1, characterized in that, The starting handrail (2) has a U-shaped structure. The starting handrail (2) includes an interface section (200), a bending part (202), and a sealing section (201) connected in sequence. The interface section (200) is connected to the stair section handrail (1). The extension direction of the sealing section (201) is parallel to the extension direction of the interface section (200), and the sealing section (201) is located directly below the interface section (200). The platform handrail (3) is L-shaped. One end of the platform handrail (3) is connected to the stair section handrail (1), and the other end is used to connect to the stair section handrail (1) in the turning direction.

5. The prefabricated railing as described in claim 1, characterized in that, The column (5) is a hollow tubular structure with multiple through holes (9) on its side wall; a pre-embedded pipe (10) is inserted into the bottom of the column (5), and a base (12) is fixedly installed at the bottom of the pre-embedded pipe (10). The column (5) and the pre-embedded pipe (10) are connected by a fastener (20) passing through the through holes (9) and the side wall of the pre-embedded pipe (10).

6. The prefabricated railing as described in any one of claims 2 to 5, characterized in that, The lower part of the stair handrail (1) is provided with a stair child handrail (15). The first end of the stair child handrail (15) is connected to the starting child handrail (16), and the last end is connected to the platform child handrail (17). The starting child handrail (16) is connected to the corresponding column (5) through the corresponding second connecting component (18), and the platform child handrail (17) is connected to the corresponding column (5) through the corresponding second connecting component (18). The second connecting component (18) includes a second connecting seat (181) and a child handrail connecting seat (182). The second connecting seat (181) is connected to the child handrail connecting seat (182), and the angle between the second connecting seat (181) and the child handrail connecting seat (182) is adjustable. The starting child handrail (16) is connected to the corresponding second connecting seat (181), the platform child handrail (17) is connected to the corresponding second connecting seat (181), and the child handrail connecting seat (182) is connected to the corresponding column (5).

7. The prefabricated railing as described in claim 6, characterized in that, The child handrail (15) of the stair section includes multiple child handrail bars (150), which are connected by a second connecting rod (19). The second connecting rod (19) and the child handrail bars (150) are connected by a second screw assembly (21). The second screw assembly (21) includes a second sealing plate (211) and a second screw (212). Both ends of the second connecting rod (19) and the end of the child handrail bar (150) near the second connecting rod (19) are connected to a second sealing plate. The mouth plate (211), the second screw (212) is fixedly connected to one of the second sealing plates (211), and threadedly connected to the other adjacent second sealing plate (211); the child handrail (150) and the second connecting rod (19) are hollow tubular structures; the second screw (212) is an integral rod structure that passes through the second connecting rod (19) and is connected to both ends of the second connecting rod (19); the second screw (212) and the second connecting rod (19) are coaxial.

8. The prefabricated railing as described in claim 7, characterized in that, The second connecting rod (19) is connected to the column (5) via the second connecting assembly (18); the second connecting seat (181) of the second connecting assembly is connected to the second connecting rod (19), and the child handrail connecting seat (182) of the second connecting assembly is connected to the column (5); the starting child handrail (16) and the child handrail bar (150) are connected via the second plug-in assembly (22), the second plug-in assembly (22) including a second plug-in part (221) and a second receiving part (222); one end of the second plug-in part (221) is connected to the second receiving part (222), and the other end is connected to the step child handrail (150). The second receiving part (222) is connected to the second insert part (221) at one end and to the starting child handrail (16) at the other end. The angle between the second insert part (221) and the second receiving part (222) is adjustable. The starting child handrail (16) is a U-shaped structure, including a straight section (161), a curved section (162) and a parallel section (163) connected in sequence. The straight section (161) is connected to the child handrail (150), and the parallel section (163) is parallel to the straight section (161). The parallel section (163) and the straight section (161) are located on both sides of the corresponding column (5).

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