Connecting device for guardrail and guardrail

By using the rotating and threaded connections between the built-in components and the main body, the problems of unsightly stair railing connections, non-removable structures, and high transportation costs are solved. This achieves both aesthetic appeal and connection stability for the railings, facilitates disassembly and installation, and reduces transportation costs.

CN223482151UActive Publication Date: 2025-10-28SHANDONG PRINCETON METAL PROD CO LTD
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Patent Information

Application Number
CN202422788735.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-15
Publication Date
2025-10-28
Estimated Expiration
2034-11-15

AI Technical Summary

Technical Problem

The existing connection method of stair guardrails has the problems of being unsightly, non-detachable, occupying a large space, high transportation cost and unstable connection.

Method used

The built-in parts are connected to the main body in a rotating manner. The built-in parts are installed inside the vertical rod. The detachable connection between the main body and the horizontal rod is achieved by combining the threaded connection and the pin structure, thereby avoiding exposing the connection parts and improving the connection stability.

Benefits of technology

It achieves both aesthetic appeal and connection stability of the guardrail, while also facilitating disassembly and installation, reducing transportation costs, and preventing nail detachment and breakage at the connection points.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a connecting device for a guardrail and the guardrail, and relates to the technical field of stair guardrails, the connecting device for the guardrail comprises a body and a built-in piece, the built-in piece is used for being installed in a vertical rod of the guardrail, the built-in piece is rotatably connected with a first end of the body, a second end of the body can penetrate through a cross rod of the guardrail, and the cross rod is connected with the built-in piece. The second end of the body is detachably connected with the cross rod; the guardrail comprises two transverse rods, a plurality of vertical rods and a plurality of connecting devices for the guardrail, each vertical rod can be detachably installed between the two transverse rods, and the two ends of each vertical rod are connected with the different transverse rods through the corresponding connecting device for the guardrail. The connecting device for the guardrail and the guardrail are convenient to transport, stable in connection and attractive in overall appearance.
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Description

Technical Field

[0001] This utility model relates to the field of stair railing technology, specifically to a connecting device for railings and a railing. Background Technology

[0002] Stair railings are common safety features on stairs. Existing tiltable stair railings typically connect the horizontal and vertical bars by drilling holes in the vertical tubes and using rivets to fix the vertical bars to the connecting devices welded to the horizontal bars. This connection method has the following drawbacks: the connection points are exposed and unsightly; the horizontal and vertical bars cannot be disassembled after connection, resulting in large space occupation and high transportation costs; the horizontal bars are prone to deformation; and the rivet connections are prone to detachment and breakage. Utility Model Content

[0003] The purpose of this utility model is to provide a connecting device and a guardrail for guardrails, so as to solve the problems existing in the prior art, facilitate transportation, and provide a stable connection and an overall aesthetically pleasing appearance.

[0004] To achieve the above objectives, the present invention provides the following solution:

[0005] This utility model provides a connecting device for a guardrail, including a body and an internal component. The internal component is installed inside the vertical bar of the guardrail and is rotatably connected to a first end of the body. The second end of the body can pass through the horizontal bar of the guardrail and is detachably connected to the horizontal bar.

[0006] In one embodiment, the body includes a rotating section and a connecting section. One end of the rotating section is rotatably connected to the built-in component, and the other end of the rotating section is fixedly integrated with one end of the connecting section. The other end of the connecting section is used to pass through the crossbar and is detachably connected to the crossbar.

[0007] In one embodiment, the outer wall of the connecting segment is threaded, the connecting segment can pass through the crossbar and be threadedly connected to a nut, and the nut can be confined to the side of the crossbar away from the rotating segment.

[0008] In one embodiment, a pin is inserted at the end of the rotating segment away from the connecting segment, and both ends of the pin extend out of the rotating segment. The built-in component is sleeved on the outer periphery of one end of the rotating segment, and the two opposite inner sidewalls of the built-in component are rotatably connected to the two ends of the pin, respectively.

[0009] In one embodiment, the built-in component includes a main body and two extension plates. The two extension plates are symmetrically disposed at one end of the main body. When the built-in component is connected to the rotating section, the main body is located at one end of the rotating section, and the two extension plates are respectively located on both sides of the rotating section. Each of the two extension plates has a through hole, and the two ends of the pin are rotatably connected to the two through holes.

[0010] In one embodiment, a threaded hole is provided on one side of the main body, and a screw is passed through the side wall of the vertical rod and threaded into the threaded hole to achieve the connection between the main body and the vertical rod.

[0011] In one embodiment, the sidewall on the main body with the threaded hole is a first sidewall, and the sidewall on the main body for connecting the extension plate is a second sidewall, wherein the first sidewall is perpendicular to the second sidewall.

[0012] In one embodiment, the end of the rotating segment away from the connecting segment is an arc-shaped curved surface.

[0013] This utility model also provides a guardrail, including two horizontal bars, multiple vertical bars, and multiple guardrail connecting devices as described in any of the above technical solutions. Each of the vertical bars can be detachably installed between the two horizontal bars, and the two ends of each vertical bar are respectively connected to different horizontal bars through a guardrail connecting device.

[0014] In one embodiment, a connecting hole is provided on the vertical rod corresponding to the position of each of the built-in components, and the connecting hole is used to connect to the threaded hole on the built-in component by screw.

[0015] The present invention achieves the following technical advantages over the prior art:

[0016] The present invention provides a connecting device and a guardrail for railings. An internal component is fixedly installed inside the vertical bars of the guardrail, thus concealing the internal component within the vertical bars to avoid affecting aesthetics. The internal component is rotatably connected to the first end of the main body, and the second end of the main body can pass through the horizontal bars of the guardrail. The second end of the main body and the horizontal bars are detachably connected, thereby achieving the connection between the horizontal bars and vertical bars. Simultaneously, the rotatable connection between the main body and the internal component allows for the tilt angle of the vertical bars relative to the horizontal bars. The detachable connection facilitates the installation and disassembly of the horizontal bars and vertical bars, thus facilitating transportation. Each vertical bar can be detachably installed between two horizontal bars, and both ends of each vertical bar are connected to different horizontal bars via a guardrail connecting device. Through the cooperation between the guardrail connecting device and the horizontal and vertical bars, a tiltable guardrail is formed. Compared to existing rivet connections, this avoids the possibility of detachment and breakage, thus preventing disruption of connection stability. Attached Figure Description

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 This is a schematic diagram of the connecting device for the guardrail in Embodiment 1;

[0019] Figure 2 This is a schematic diagram of the main structure in Example 1;

[0020] Figure 3 This is a schematic diagram of the guardrail structure in Example 2;

[0021] Figure 4 This is a schematic diagram of the connection between the vertical pole and the guardrail in Embodiment 2;

[0022] In the diagram: 100-Connecting device for guardrail, 200-Guardrail, 1-Body, 2-Interior component, 3-Threaded hole, 4-Rotating section, 5-Connecting section, 6-Pin, 7-Horizontal bar, 8-Vertical bar, 9-Screw. Detailed Implementation

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] The purpose of this utility model is to provide a connecting device and guardrail for guardrails, so as to solve the problems existing in the prior art, facilitate transportation, and provide stable connection and overall aesthetics.

[0025] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0026] Example 1

[0027] like Figure 1-Figure 2As shown, this embodiment provides a connecting device 100 for a guardrail, including a body 1 and an internal component 2. The internal component 2 is installed inside the vertical bar 8 of the guardrail 200, thereby hiding the internal component 2 through the vertical bar 8 to avoid affecting the aesthetics. The internal component 2 is rotatably connected to the first end of the body 1, and the second end of the body 1 can pass through the horizontal bar 7 of the guardrail 200. The second end of the body 1 and the horizontal bar 7 can be detachably connected. The rotatable connection between the body 1 and the internal component 2 can realize the tilt angle of the vertical bar 8 relative to the horizontal bar 7. The detachable connection facilitates the installation and removal of the horizontal bar 7 and the vertical bar 8, thereby facilitating transportation. For the material of the connecting device 100 for the guardrail, nylon is preferred, which can achieve a stable connection and has low cost. However, the material of the connecting device 100 for the guardrail provided in this embodiment is not limited to the above limitation, as long as it can meet the usage requirements.

[0028] Specifically, the main body 1 includes a rotating section 4 and a connecting section 5. One end of the rotating section 4 is rotatably connected to the built-in component 2, thereby facilitating the relative rotation of the horizontal bar 7 and the vertical bar 8. The other end of the rotating section 4 is fixed to one end of the connecting section 5. The other end of the connecting section 5 is used to pass through the horizontal bar 7 and can be detachably connected to the horizontal bar 7. Thus, during transportation, the connecting section 5 can be directly removed from the horizontal bar 7, so that the vertical bar 8 can be removed from the horizontal bar 7, saving space and reducing transportation costs.

[0029] The outer wall of the connecting section 5 is threaded, allowing the connecting section 5 to pass through the crossbar 7 and be threadedly connected to a nut. The nut is positioned on the crossbar 7 away from the rotating section 4. The threaded connection improves disassembly and installation speed. Meanwhile, a hole is provided on the crossbar 7 at the position corresponding to the connecting section 5. The inner diameter of the hole is not less than the outer diameter of the connecting section 5 and not greater than the outer diameter of the nut. This ensures that the connecting section 5 can pass through while also ensuring that the nut is positioned at the hole.

[0030] A pin 6 is inserted at the end of the rotating section 4 away from the connecting section 5, and both ends of the pin 6 extend out of the rotating section 4. The inner part 2 is sleeved on the outer periphery of one end of the rotating section 4, and the two opposite inner sidewalls of the inner part 2 are rotatably connected to the two ends of the pin 6, so as to realize the rotation of the vertical rod 8 relative to the horizontal rod 7.

[0031] The built-in component 2 includes a main body and two extension plates. The two extension plates are symmetrically arranged at one end of the main body. When the built-in component 2 is connected to the rotating section 4, the main body is located at one end of the rotating section 4, and the two extension plates are located on both sides of the rotating section 4. A through hole is opened on each of the two extension plates. The two ends of the pin 6 are rotatably connected to the two through holes, so as to realize the relative rotation between the built-in component 2 and the pin 6.

[0032] A threaded hole 3 is provided on one side of the main body. A screw 9 passes through the side wall of the vertical rod 8 and is threaded into the threaded hole 3 to connect the main body and the vertical rod 8. This connection is easy to process and has good stability.

[0033] The side wall with threaded hole 3 on the main body is the first side wall, and the side wall on the main body used to connect the extension plate is the second side wall. The first side wall and the second side wall are perpendicular.

[0034] The end of the rotating section 4 away from the connecting section 5 is an arc-shaped surface to avoid affecting the rotation of the built-in component 2 relative to the rotating section 4.

[0035] Example 2

[0036] like Figures 3-4 As shown, this embodiment provides a guardrail 200, including two horizontal bars 7, multiple vertical bars 8, and a guardrail connecting device 100 as described in Embodiment 1. Each vertical bar 8 can be detachably installed between two horizontal bars 7, and both ends of each vertical bar 8 are connected to different horizontal bars 7 through a guardrail connecting device 100. Through the cooperation between the guardrail connecting device 100 and the horizontal bars 7 and vertical bars 8, a tiltable guardrail 200 is formed. Compared with existing rivet connections, it can avoid rivet breakage and affect connection stability.

[0037] Specifically, a connecting hole is provided on the vertical rod 8 at the position corresponding to each built-in component 2. The connecting hole is used to connect the threaded hole 3 on the built-in component 2 through the screw 9, thereby realizing the connection between the vertical rod 8 and the built-in component 2, and finally realizing the connection between the horizontal rod 7 and the vertical rod 8.

[0038] This utility model uses specific examples to illustrate its principles and implementation methods. The above description of the embodiments is only for the purpose of helping to understand the method and core idea of ​​this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the idea of ​​this utility model. In summary, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A connecting device for a guardrail, characterized in that: It includes a main body and an internal component, the internal component being installed inside the vertical bar of the guardrail and being rotatably connected to a first end of the main body, the second end of the main body being able to pass through the horizontal bar of the guardrail and being detachably connected to the horizontal bar; The main body includes a rotating section and a connecting section. One end of the rotating section is rotatably connected to the built-in component, and the other end of the rotating section is fixed to one end of the connecting section. The other end of the connecting section is used to pass through the crossbar and can be detachably connected to the crossbar. The outer wall of the connecting section is threaded, the connecting section can pass through the crossbar and be threadedly connected to a nut, and the nut can be confined to the side of the crossbar away from the rotating section.

2. The connecting device for guardrails according to claim 1, characterized in that: The rotating segment has a pin at one end away from the connecting segment, and both ends of the pin extend out of the rotating segment. The built-in component is sleeved on the outer periphery of one end of the rotating segment, and the two opposite inner sidewalls of the built-in component are rotatably connected to the two ends of the pin.

3. The connecting device for guardrails according to claim 2, characterized in that: The built-in component includes a main body and two extension plates. The two extension plates are symmetrically arranged at one end of the main body. When the built-in component is connected to the rotating section, the main body is located at one end of the rotating section, and the two extension plates are located on both sides of the rotating section. Each of the two extension plates has a through hole, and the two ends of the pin are rotatably connected to the two through holes.

4. The connecting device for guardrails according to claim 3, characterized in that: A threaded hole is provided on one side of the main body component. A screw passes through the side wall of the vertical rod and is threaded into the threaded hole to connect the main body component and the vertical rod.

5. The connecting device for guardrails according to claim 4, characterized in that: The side wall on the main body with the threaded hole is the first side wall, and the side wall on the main body for connecting the extension plate is the second side wall. The first side wall and the second side wall are perpendicular.

6. The connecting device for guardrails according to claim 1, characterized in that: The end of the rotating segment away from the connecting segment is an arc-shaped curved surface.

7. A guardrail, characterized in that: The guardrail includes two horizontal bars, multiple vertical bars, and multiple connecting devices for guardrails as described in any one of claims 1-6, wherein each vertical bar is detachably installed between two horizontal bars, and both ends of each vertical bar are connected to different horizontal bars via one of the connecting devices for guardrails.

8. The guardrail according to claim 7, characterized in that: Each vertical rod has a connecting hole corresponding to the position of each of the built-in components. The connecting hole is used to connect to the threaded hole on the built-in component by screw.