Assembly type wood stair structure with handrail convenient to replace
By using a prefabricated design and a handrail structure with limit rods and threaded holes, the problem of the difficulty in quickly replacing existing stair handrails has been solved, achieving convenient installation and improved stability.
Patent Information
- Application Number
- CN202423084397.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-13
AI Technical Summary
Existing stair handrails are difficult to disassemble and replace quickly when damaged, leading to maintenance difficulties.
The design adopts a modular approach, using limit rods and threaded holes for connection, combined with a threaded rod and pressure plate structure to achieve convenient installation and disassembly of the handrail.
It improves the speed and stability of handrail replacement and simplifies the maintenance process.
Smart Images

Figure CN223562440U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to handrail convenient to replace technical field especially relates to a handrail convenient to replace's assembly type wooden stair structure. BACKGROUND
[0002] Stairs are building components for connecting different floors, and it is the main channel of personnel flow in the vertical direction, and the good and bad of stair design not only affects the convenience of use, but also relates to safety, comfort and aesthetics.
[0003] Stairs usually involve the design of handrails, and most of the existing handrails are welded on each mounting plate of the stairs, and if the handrails are damaged due to other reasons, it is very difficult and time-consuming to disassemble and replace.
[0004] To solve the above problems, a handrail convenient to replace assembly type wooden stair structure is proposed. UTILITY MODEL CONTENTS
[0005] The utility model aims at solving the problems in the background art and proposes a handrail convenient to replace assembly type wooden stair structure.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a handrail convenient to replace assembly type wooden stair structure, including installation column one, the left side of installation column one is equipped with installation column two, installation column one is equipped with two openings one, installation column two is equipped with two openings two, installation column one is equipped with two limit rods respectively through opening one, two opening one is equipped with handrail, the outer side of handrail is sleeved on the limit rod, the outer side of handrail is equipped with screw hole one, the outer side of installation column two and the inner side of two opening two are equipped with screw hole two, the outer side of installation column two is equipped with screw rod one.
[0007] In the above-mentioned handrail convenient to replace assembly type wooden stair structure, the bottom of installation column one and installation column two is provided with mounting seat, the top of mounting seat is fixedly connected with mounting frame, the outer side of mounting seat is equipped with a plurality of mounting bolts, the mounting frame is connected with installation column one and installation column two through a plurality of fastening bolts.
[0008] In the assembly type wooden stair structure with the handrail convenient to replace, the outer side of the mounting column one is provided with a reinforcing groove, the reinforcing groove is connected with the opening one, the top of the mounting column one is screwed through with a threaded rod two, the outer side wall of the reinforcing groove is rotationally provided with a rotating plate, the inner side wall of the rotating plate is slidingly connected with a pressing plate one, the inner side wall of the rotating plate is slidingly connected with a pressing plate two below the pressing plate one, the bottom of the pressing plate one is fixedly connected with a connecting rod, the bottom of the connecting rod is fixedly connected with the top of the pressing plate two, the bottom of the pressing plate two is fixedly connected with a spring, and the bottom of the spring is fixedly connected with a touch plate.
[0009] In the assembly type wooden stair structure with the handrail convenient to replace, two opening ones are arranged on the upper and lower sides of the mounting column one, two opening twos are arranged on the upper and lower sides of the mounting column two, the diameter of the threaded hole one is equal to that of the threaded hole two, and the diameter of the threaded rod one is equal to that of the threaded hole one.
[0010] In the assembly type wooden stair structure with the handrail convenient to replace, a plurality of mounting bolts are uniformly arranged at four corners of the mounting seat, and a plurality of fastening bolts are uniformly arranged on the outer side of the mounting frame.
[0011] In the assembly type wooden stair structure with the handrail convenient to replace, the outer side of the rotating plate is fixedly provided with a transparent plate, and the bottom of the threaded rod two is arranged above the pressing plate one.
[0012] Compared with the prior art, the assembly type wooden stair structure with the handrail convenient to replace has the advantages that:
[0013] When the handrail needs to be installed, the handrail is placed in the opening one, then the limiting rod is passed through the mounting column one, the opening one and the handrail, then the end of the handrail is placed in the opening two, and finally the threaded rod one is passed through the threaded hole one and the threaded hole two to fix the handrail in the opening, so that the handrail convenient to install and disassemble can improve the replacement speed of the handrail. BRIEF DESCRIPTION OF DRAWINGS
[0014] Fig. 1 A front view of the assembly type wooden stair structure with the handrail convenient to replace is provided in the utility model;
[0015] Fig. 2 A side view of the assembly type wooden stair structure with the handrail convenient to replace is provided in the utility model;
[0016] Fig. 3 A rear view of the assembly type wooden stair structure with the handrail convenient to replace is provided in the utility model.
[0017] In the figure: 1 installation column one, 2 installation column two, 3 threaded rod one, 4 mounting seat, 5 mounting frame, 6 fastening bolt, 7 mounting bolt, 8 rotating plate, 9 pressing plate one, 10 connecting rod, 11 pressing plate two, 12 threaded rod two, 13 handrail, 14 threaded hole one, 15 threaded hole two, 16 spring, 17 touch plate, 18 transparent plate, 19 limiting rod. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0019] Reference Figs. 1-3 A handrail assembly type wooden stair structure convenient to replace, comprising installation column one 1, the left side of installation column one 1 is equipped with installation column two 2, installation column one 1 is equipped with two openings one, installation column two 2 is equipped with two openings two, installation column one 1 is slidably equipped with two limiting rods 19 passing through openings one respectively, two openings one are both provided with handrails 13, the handrails 13 are slidably sleeved on the outside of the limiting rods 19, the outside of the handrails 13 is provided with threaded hole one 14, the outside of installation column two 2 and the inside of two openings two are both provided with threaded hole two 15, the outside of installation column two 2 is provided with threaded rod one 3, the bottom of installation column one 1 and installation column two 2 is both provided with mounting seat 4, the top of mounting seat 4 is fixedly connected with mounting frame 5, the outside of mounting seat 4 is provided with a plurality of mounting bolts 7, mounting frame 5 is connected with installation column one 1 and installation column two 2 through a plurality of fastening bolts 6, two openings one are arranged on the upper and lower sides of installation column one 1, two openings two are arranged on the upper and lower sides of installation column two 2, the diameter of threaded hole one 14 is equal to the diameter of threaded hole two 15, the diameter of threaded rod one 3 is equal to the diameter of threaded hole one 14, a plurality of mounting bolts 7 are evenly arranged at the four corners of mounting seat 4, a plurality of fastening bolts 6 are evenly arranged on the outside of mounting frame 5, installation column one 1 and installation column two 2 are placed on the two sides of the stair through mounting seat 4, and then are fixed on the two sides of the stair through mounting bolts 7, when it is necessary to install handrails 13, the handrails 13 are placed in openings one, then the limiting rods 19 pass through installation column one 1, openings one and handrails 13, then the ends of the handrails 13 are placed in openings two, and then the handrails 13 are fixed in openings through threaded rod one 3 passing through threaded hole one 14 and threaded hole two 15, and the handrails 13 of this convenient installation and disassembly type can improve the replacement speed of the handrails 13.
[0020] The outer side of the mounting column one 1 is provided with a reinforcing groove connected with the opening one, the top of the mounting column one 1 is threaded through with a threaded rod two 12, the outer side wall of the reinforcing groove is rotationally provided with a rotating plate 8, the inner side wall of the rotating plate 8 is slidingly connected with a pressing plate one 9, the inner side wall of the rotating plate 8 is slidingly connected with a pressing plate two 11 located below the pressing plate one 9, the bottom of the pressing plate one 9 is fixedly connected with a connecting rod 10, the bottom of the connecting rod 10 is fixedly connected with the top of the pressing plate two 11, the bottom of the pressing plate two 11 is fixedly connected with a spring 16, the bottom of the spring 16 is fixedly connected with a touch plate 17, the outer side of the rotating plate 8 is fixedly provided with a transparent plate 18, the bottom of the threaded rod two 12 is located above the pressing plate one 9, the rotating plate 8 is rotated, the pressing plate one 9 is located above the upper opening one, the pressing plate two 11 is located above the lower opening two, at this time, the touch plate 17 is in contact with the bottom of the reinforcing groove, after the handrail 13 is installed, the threaded rod two 12 is rotated to move the bottom of the threaded rod two 12 downward, when the bottom of the threaded rod two 12 is in contact with the pressing plate one 9, the pressing plate one 9 drives the pressing plate two 11 to move downward through the connecting rod 10, when the pressing plate one 9 and the pressing plate two 11 are respectively in contact with the handrail 13, the threaded rod two 12 can be stopped rotating, in this way, the pressing plate one 9 and the pressing plate two 11 can improve the stability of the handrail 13, the transparent plate 18 can facilitate personnel to observe whether the pressing plate one 9 and the pressing plate two 11 are in contact with the handrail 13, and facilitate personnel to judge.
[0021] Further, the fixed connection should be understood in a broad sense unless otherwise specified and limited, for example, can be welding, or gluing, or integrally formed with the usual means familiar to those skilled in the art.
[0022] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims
1. A prefabricated wooden staircase structure with easily replaceable handrails, comprising a mounting column (1), characterized in that, Mounting post one (1) is provided with mounting post two (2) on the left side. Mounting post one (1) is provided with two openings one and mounting post two (2) is provided with two openings two. Mounting post one (1) is provided with two limiting rods (19) that pass through opening one respectively. Each of the two openings one is provided with a handrail (13). The handrail (13) is slidably sleeved on the outside of the limiting rod (19). The outside of the handrail (13) is provided with a threaded hole one (14). The outside of mounting post two (2) and the inside of the two openings two are provided with threaded holes two (15). The outside of mounting post two (2) is provided with a threaded rod one (3).
2. The prefabricated wooden staircase structure with easily replaceable handrails according to claim 1, characterized in that, The bottom of both mounting column one (1) and mounting column two (2) is provided with mounting base (4), and the top of the mounting base (4) is fixedly connected with mounting frame (5). Multiple mounting bolts (7) are provided on the outside of the mounting base (4), and the mounting frame (5) is connected to mounting column one (1) and mounting column two (2) by multiple fastening bolts (6).
3. The prefabricated wooden staircase structure with easily replaceable handrails according to claim 1, characterized in that, The outer side of the mounting post 1 (1) is provided with a reinforcing groove, which is connected to the opening 1. The top of the mounting post 1 (1) is threaded through a threaded rod 2 (12). The outer side wall of the reinforcing groove is rotatably provided with a rotating plate (8). The inner side wall of the rotating plate (8) is slidably connected with a pressure plate 1 (9). The inner side wall of the rotating plate (8) is slidably connected with a pressure plate 2 (11) located below the pressure plate 1 (9). The bottom of the pressure plate 1 (9) is fixedly connected with a connecting rod (10). The bottom of the connecting rod (10) is fixedly connected with the top of the pressure plate 2 (11). The bottom of the pressure plate 2 (11) is fixedly connected with a spring (16). The bottom of the spring (16) is fixedly connected with a contact plate (17).
4. The prefabricated wooden staircase structure with easily replaceable handrails according to claim 1, characterized in that, Two openings are provided on the upper and lower sides of mounting post one (1), and two openings are provided on the upper and lower sides of mounting post two (2). The diameter of threaded hole one (14) is equal to the diameter of threaded hole two (15), and the diameter of threaded rod one (3) is equal to the diameter of threaded hole one (14).
5. A prefabricated wooden staircase structure with easily replaceable handrails according to claim 2, characterized in that, Multiple mounting bolts (7) are evenly arranged at the four corners of the mounting base (4), and multiple fastening bolts (6) are evenly arranged on the outside of the mounting frame (5).
6. A prefabricated wooden staircase structure with easily replaceable handrails according to claim 3, characterized in that, A transparent plate (18) is fixedly installed on the outside of the rotating plate (8), and the bottom of the threaded rod (12) is located above the pressure plate (9).