Aluminum alloy handrail corner connecting and fixing structure
By using the rotating connection design of hemispherical seats A and B, combined with the limiting plate and through hole, the problem of insufficient versatility of aluminum alloy handrail corner connectors is solved, achieving adaptability and stability for various installation needs and preventing corrosion.
Patent Information
- Application Number
- CN202520632895.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-07
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-04-07
AI Technical Summary
Existing aluminum alloy handrail corner connectors have poor versatility and are difficult to adapt to various installation requirements.
The design employs hemispherical seats A and B, which are rotatably connected to the connecting pipe via connecting pins. Combined with the design of limiting plates and through holes, it enables flexible adjustment of the handrail's turning angle. The complementary structure of the docking seats ensures the stability and sealing of the connection.
It achieves both flexibility and stability in the corner connection of aluminum alloy handrails, can adapt to various installation requirements, and at the same time ensures sealing and prevents rust.
Smart Images

Figure CN223708291U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of connection and fixation, specifically relates to an aluminium alloy handrail corner connecting and fixing structure. BACKGROUND
[0002] The aluminium alloy handrail corner connecting piece is a crucial component in the aluminium alloy handrail system, and it is mainly used for connecting different parts of the handrail, especially at the corner, to ensure the continuity and stability of the handrail.
[0003] However, the current handrail corner connecting piece has poor versatility, and generally two connecting pipes with a ninety-degree or other required angle are connected through a hinge, which cannot well adapt to the installation requirements of various handrails, and therefore an aluminium alloy handrail corner connecting and fixing structure is proposed. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving the above problems and provides an aluminium alloy handrail corner connecting and fixing structure that can adapt to various installation requirements.
[0005] The utility model realizes the above-mentioned purposes through the following technical solutions.
[0006] An aluminium alloy handrail corner connecting and fixing structure comprises a hemispherical seat A and a hemispherical seat B arranged on the hemispherical seat A, and further comprises:
[0007] A connecting pipe is arranged on the hemispherical seat A and the hemispherical seat B respectively.
[0008] A connecting pin is rotatably arranged on the connecting pipe, and the connecting pipe is rotatably connected with the hemispherical seat A and the hemispherical seat B through the connecting pin.
[0009] As a further optimization scheme of the utility model, a notch is formed on the connecting pin, and a limiting plate is arranged on the connecting pin.
[0010] As a further optimization scheme of the utility model, a through hole is formed on the connecting pipe, the connecting pin penetrates the connecting pipe through the through hole, and the limiting plate is arranged in the connecting pipe.
[0011] As a further optimization scheme of the utility model, an installation opening is formed on each of the hemispherical seat A and the hemispherical seat B, the connecting pin is connected with the hemispherical seat A and the hemispherical seat B through the installation opening, and the edges of the hemispherical seat A and the hemispherical seat B are respectively embedded in the corresponding notches.
[0012] As a further optimization scheme of the utility model, a butt joint seat is arranged in each of the hemispherical seat A and the hemispherical seat B, the butt joint seat is a hollow structure, a strip-shaped block is arranged on one of the butt joint seats, a convex column is arranged between the strip-shaped block and the butt joint seat, and a strip-shaped hole is formed on the other butt joint seat.
[0013] As a further optimization scheme of the utility model, the strip-shaped block can be embedded into the strip-shaped hole.
[0014] The utility model has the advantages of:
[0015] Different from the prior art, in actual use, the connecting pipe is rotatably connected with the hemispherical seat A and the hemispherical seat B by means of the connecting pin rotatably arranged thereon, this design gives great flexibility to the handrail corner, can easily adapt to the installation needs of various different angles, at the same time, the sealing property between the hemispherical seat A and the hemispherical seat B is ensured, and rust caused by water to the inside of the hemispherical seat A and the hemispherical seat B is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the overall structure schematic view of the utility model;
[0017] Figure 2 It is the utility model Figure 1 Explosive structure schematic view;
[0018] Figure 3 It is the utility model Figure 1 Another form structure schematic view;
[0019] Figure 4 It is the utility model along Figure 3 The middle L-L section structure schematic view.
[0020] In the figure: hemispherical seat A; 2, hemispherical seat B; 3, connecting pipe; 31, through hole; 4, connecting pin; 41, notch; 42, limit plate; 5, installation port; 6, butt joint seat; 61, strip-shaped block; 611, convex column; 62, strip-shaped hole. DETAILED DESCRIPTION
[0021] It is necessary to point out here that the following detailed description is only used to further illustrate the application, and cannot be understood as limiting the protection scope of the application, and the skilled in the art can make some non-essential improvements and adjustments to the application according to the above application content.
[0022] Example 1
[0023] As Figure 1 - Figure 4 Indicated, an aluminum alloy handrail corner connecting and fixing structure, including hemispherical seat A1 and the hemispherical seat B2 set on hemispherical seat A1, still including:
[0024] Connecting pipe 3, connecting pipe 3 is arranged on hemispherical seat A1 and hemispherical seat B2 respectively;
[0025] The connecting pin 4 is rotatably arranged on the connecting pipe 3, and the connecting pipe 3 is rotatably connected with the hemispherical seat A1 and the hemispherical seat B2 through the connecting pin 4.
[0026] The connecting pin 4 is provided with a notch 41 for embedding the edges of the hemispherical seat A1 and the hemispherical seat B2, which plays a role of positioning and preliminary fixing, and does not hinder the rotation between the hemispherical seat A1 and the hemispherical seat B2. The connecting pin 4 is provided with a limiting plate 42.
[0027] The connecting pipe 3 is provided with a through hole 31, and the connecting pin 4 penetrates the connecting pipe 3 through the through hole 31. The limiting plate 42 is arranged in the connecting pipe 3 and is accurately matched with the outer diameter of the connecting pin 4, so that the connecting pin 4 can smoothly penetrate, and the rotation of the connecting pin 4 in the connecting pipe 3 is provided with a space basis, so that the connecting pipe 3 can rotate on the hemispherical seat A1 and the hemispherical seat B2, and cooperate with the limiting plate 42 to play a role of stabilizing the connection structure.
[0028] The hemispherical seat A1 and the hemispherical seat B2 are both provided with a mounting port 5, and the connecting pin 4 is connected with the hemispherical seat A1 and the hemispherical seat B2 through the mounting port 5. The edges of the hemispherical seat A1 and the hemispherical seat B2 are respectively embedded in the corresponding notches 41.
[0029] The hemispherical seat A1 and the hemispherical seat B2 are both provided with a butt joint seat 6, which is a hollow structure. One of the butt joint seats 6 is provided with a strip-shaped block 61, and a convex column 611 is arranged between the strip-shaped block 61 and the butt joint seat 6. The other butt joint seat 6 is provided with a strip-shaped hole 62.
[0030] The strip-shaped block 61 can be embedded in the strip-shaped hole 62, and the strip-shaped block 61 and the strip-shaped hole 62 form a complementary structure. After the strip-shaped block 61 is embedded in the strip-shaped hole 62, the hemispherical seat A1 and the hemispherical seat B2 will not easily separate once the hemispherical seat A1 and the hemispherical seat B2 are angularly rotated, thereby ensuring the accuracy and firmness of the connection.
[0031] It should be noted that the working principle of the aluminum alloy handrail corner connecting and fixing structure is as follows: first, the hemispherical seat A1 and the hemispherical seat B2 are used as basic components, the connecting pipes 3 are installed on the hemispherical seat A1 and the hemispherical seat B2 respectively, the connecting pins 4 are rotatably arranged on the connecting pipes 3, the connecting pipes 3 can be rotatably connected with the hemispherical seat A1 and the hemispherical seat B2 through the connecting pins 4, and the rotatable connection mode provides the possibility of flexible adjustment for the handrail corner, wherein the notch 41 formed on the connecting pin 4 and the limiting plate 42 play a key role, the through hole 31 on the connecting pipe 3 is penetrated by the connecting pin 4, the limiting plate 42 is arranged in the connecting pipe 3, the stability of the connection is ensured, and the connecting pin 4 is prevented from being pulled out. Meanwhile, the mounting holes 5 on the hemispherical seat A1 and the hemispherical seat B2 are used for mounting the connecting pins 4, the edges of the hemispherical seat A1 and the hemispherical seat B2 are respectively embedded in the corresponding notches 41, the structure is further fixed, meanwhile, the hemispherical seat A1 and the hemispherical seat B2 can be rotatable on the premise that the sealing between the hemispherical seat A1 and the hemispherical seat B2 is ensured, so that the included angle between the connecting pipes 3 can be changed, and in addition, the butt joint seats 6 in the hemispherical seat A1 and the hemispherical seat B2 are hollow structures, the strip block 61 and the convex column 611 on the strip block 61 on one butt joint seat 6 can be matched with the strip hole 62 formed on another butt joint seat 6, the strip block 61 can be embedded in the strip hole 62, so that the stability of the connection is ensured when the handrail corner is connected, and accurate butt joint can be ensured, so that the rotatable connecting pipes 3 are matched with the included angle between the connecting pipes 3 which can be changed, so that the entire aluminum alloy handrail corner connecting and fixing structure can flexibly adapt to various installation requirements.
[0032] The above-described embodiments only express several embodiments of the present application, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application.
Claims
1. An aluminum alloy handrail corner connecting fixing structure comprising a hemispherical seat A (1) and a hemispherical seat B (2) arranged on the hemispherical seat A (1), characterized in that: Also include: Connecting pipe (3), the connecting pipe (3) is arranged respectively on hemispherical seat A (1) and hemispherical seat B (2); Connecting pin (4), the connecting pin (4) is rotatably arranged on connecting pipe (3), and the connecting pipe (3) is rotatably connected with hemispherical seat A (1) and hemispherical seat B (2) by connecting pin (4).
2. The aluminum alloy handrail corner connection fixed structure according to claim 1, characterized by: The connecting pin (4) is provided with a notch (41), and the connecting pin (4) is provided with a limiting plate (42).
3. The aluminum alloy handrail corner connection fixed structure according to claim 2, characterized by: The connecting pipe (3) is provided with a through hole (31), the connecting pin (4) penetrates the connecting pipe (3) through the through hole (31), and the limiting plate (42) is arranged in the connecting pipe (3).
4. The aluminum alloy handrail corner connection fixed structure according to claim 2, characterized by: The hemispherical seat A (1) and the hemispherical seat B (2) are provided with mounting ports (5), the connecting pin (4) is connected with the hemispherical seat A (1) and the hemispherical seat B (2) through the mounting port (5), and the edges of the hemispherical seat A (1) and the hemispherical seat B (2) are respectively embedded in the corresponding notch (41).
5. The aluminum alloy handrail corner connection fixed structure according to claim 1, characterized by: The hemispherical seat A (1) and the hemispherical seat B (2) are provided with docking seats (6), the docking seat (6) is a hollow structure, one of the docking seats (6) is provided with a strip-shaped block (61), the strip-shaped block (61) and the docking seat (6) are provided with a convex column (611), and the other docking seat (6) is provided with a strip-shaped hole (62).
6. The aluminum alloy handrail corner connection fixed structure according to claim 5, characterized by: The strip-shaped block (61) can be embedded in the strip-shaped hole (62).