Water-drop-shaped frame stand pipe internally provided with reinforcing ribs

By designing a water drop-type frame riser with reinforcement ribs, the problem of high wind resistance of traditional bicycle standpipes is solved, and the effect of reducing wind resistance and enhancing structural strength is achieved, which improves riding efficiency and riser life.

CN223200225UActive Publication Date: 2025-08-08OYAMA BICYCLE TAICANG CO LTD
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Patent Information

Application Number
CN202422210234.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-10
Publication Date
2025-08-08
Estimated Expiration
2034-09-10

AI Technical Summary

Technical Problem

The traditional folding bicycle standpipe is cylindrical, causing greater wind resistance when riding at high speed, causing rider energy loss.

Method used

Design a water drop-type frame riser with reinforcement ribs inside, including straight tubes, circular rings, semi-circular rings and reinforcement rib strips, reducing wind resistance and enhancing structural strength through a raindrop-like design.

Benefits of technology

Effectively reduce wind resistance, save energy consumption of long-distance riders, and improve the strength and service life of the riser.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a water-drop-shaped frame stand pipe internally provided with reinforcing ribs, which relates to the technical field of frame stand pipe production and comprises a straight pipe, one end of the straight pipe is fixedly connected with a circular clamping ring, and a first fixing part is arranged on the circular clamping ring. A semicircular ring is fixedly connected to the other end of the straight pipe, a semicircular clamping ring is arranged on one side of the semicircular ring, and a second fixing piece is arranged on the semicircular ring; a plurality of third reinforcing ribs are evenly arranged on the inner wall of the straight pipe. By using the raindrop-shaped semicircular clamping ring, the wind resistance coefficient of the vertical pipe is reduced, so that the energy of a long-distance rider can be effectively saved; the strength of the straight pipe is conveniently improved by using the third reinforcing rib, so that the strength of the vertical pipe is improved, the strength of the semicircular ring and the circular clamping ring is conveniently improved by using the first reinforcing rib and the second reinforcing rib in a matched mode, and the strength of the vertical pipe can be improved by using the first reinforcing rib, the second reinforcing rib and the third reinforcing rib in a matched mode. Therefore, the service life of the straight pipe is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of vehicle frame riser production, in particular to a teardrop-shaped vehicle frame riser with reinforcing ribs inside. Background Art

[0002] Traditional folding bicycle seat tubes are typically cylindrical due to manufacturing and process limitations. When riding at high speeds, the seat tube, as the front component of the bicycle, directly generates significant wind resistance, causing excessive energy loss and affecting the rider's riding experience. Therefore, a teardrop-shaped frame seat tube with internal reinforcement ribs is proposed to address this issue. Summary of the Invention

[0003] The purpose of the utility model is to solve the above problems and to provide a teardrop-shaped frame riser with internal reinforcement ribs.

[0004] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0005] A teardrop-shaped frame riser with internal reinforcement ribs, comprising a straight tube, one end of which is fixedly connected to a circular clamping ring, and a fixing member 1 is provided on the circular clamping ring;

[0006] The other end of the straight tube is fixedly connected to a semicircular ring, one side of the semicircular ring is provided with a semicircular clamping ring, and the semicircular ring is provided with a second fixing member acting on the semicircular clamping ring;

[0007] A plurality of reinforcing ribs 3 are evenly arranged on the inner wall of the straight tube.

[0008] Preferably, the front end surface of the semicircular clamping ring is raindrop-shaped.

[0009] Preferably, the fixing member 1 includes a connecting plate symmetrically arranged on a circular clamping ring, wherein one of the connecting plates is evenly provided with a circular hole 1, and the other connecting plate is evenly provided with multiple threaded holes 1 cooperating with the circular hole 1, and a locking bolt cooperating with the threaded hole 1 is provided in the circular hole 1.

[0010] Preferably, the second fixing member includes a plurality of connecting blocks 1 arranged on a semicircular ring and a plurality of connecting blocks 2 arranged on a semicircular retaining ring, a circular hole 2 is provided on the second connecting block, a threaded hole 2 is provided on the first connecting block, and a hexagon socket bolt matching the threaded hole 2 is provided in the second circular hole.

[0011] Preferably, a plurality of reinforcing ribs 1 are evenly arranged in the semicircular ring, a plurality of reinforcing ribs 2 are evenly opened on the inner wall of the circular clamp, and flexible rubber is provided on the outer walls of the reinforcing ribs 2 and 1.

[0012] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0013] The utility model reduces the wind resistance coefficient of the seat tube by using a raindrop-shaped semicircular clamping ring, thereby effectively saving energy for long-distance cyclists; the use of the third reinforcing rib facilitates improving the strength of the straight tube, thereby improving the strength of the seat tube; the mutual cooperation of the first and second reinforcing ribs facilitates improving the strength of the semicircular ring and the circular clamping ring; the mutual use of the first, second and third reinforcing ribs can improve the strength of the seat tube, thereby increasing the service life of the straight tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It shows a schematic structural diagram of a front view provided according to an embodiment of the utility model;

[0015] Figure 2 A schematic diagram of a structure from a top view according to an embodiment of the present utility model is shown;

[0016] Figure 3 A schematic diagram of a cross-sectional structure from a side perspective provided according to an embodiment of the present utility model is shown.

[0017] Legend:

[0018] 1. Straight pipe; 2. Semicircular ring; 3. Reinforcement bar 1; 4. Hexagon socket bolt; 5. Semicircular retaining ring; 6. Connecting block 1; 7. Circular retaining ring; 8. Reinforcement bar 2; 9. Connecting plate; 10. Locking bolt; 11. Connecting block 2; 12. Reinforcement bar 3. DETAILED DESCRIPTION

[0019] The following will be combined with the accompanying 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.

[0020] See also Figure 1-3 , the utility model provides a technical solution:

[0021] A teardrop-shaped frame riser with internal reinforcement ribs comprises a straight tube 1, one end of which is fixedly connected to a circular collar 7, and a fixing member 1 is provided on the circular collar 7. The fixing member 1 facilitates fixing the riser to the frame.

[0022] A semicircular ring 2 is fixed to the other end of the straight tube 1, and a semicircular clamping ring 5 is provided on one side of the semicircular ring 2. A fixing part 2 is provided on the semicircular ring 2 to act on the semicircular clamping ring 5. The use of the fixing part 2 makes it easy to connect the handle to the vertical pipe.

[0023] A plurality of reinforcing ribs 3 12 are evenly arranged on the inner wall of the straight pipe 1 . The use of the reinforcing ribs 3 12 can improve the strength of the straight pipe 1 , thereby improving the strength of the vertical pipe.

[0024] In the present invention, the front end surface of the semicircular clamping ring 5 is raindrop-shaped. By using the raindrop-shaped semicircular clamping ring 5, the wind resistance coefficient of the seat tube is reduced, thereby effectively saving energy for long-distance cyclists.

[0025] In the present invention, the fixing part 1 includes a connecting plate 9 symmetrically arranged on the circular clamping ring 7, one of the connecting plates 9 is evenly provided with a circular hole 1, and the other connecting plate 9 is evenly provided with a plurality of threaded holes 1 that match the circular hole 1, and a locking bolt 10 that matches the threaded hole 1 is provided in the circular hole 1; the use of the circular clamping ring 7 and the locking bolt 10 facilitates the installation of the seat tube on the frame.

[0026] In the present invention, the second fixing member includes a plurality of connecting blocks 6 arranged on the semicircular ring 2 and a plurality of connecting blocks 11 arranged on the semicircular retaining ring 5. A circular hole 2 is provided on the connecting block 11, and a threaded hole 2 is provided on the connecting block 6. The circular hole 2 is provided with a hexagon socket bolt 4 that matches the threaded hole 2.

[0027] In the present invention, a plurality of reinforcing ribs 3 are evenly arranged in the semicircular ring 2, a plurality of reinforcing ribs 2 8 are evenly opened on the inner wall of the circular clamp 7, and flexible rubber (not shown in the figure) is provided on the outer wall of the reinforcing ribs 2 8 and the reinforcing ribs 3, so as to improve the flexibility of the reinforcing ribs 1 3 and the reinforcing ribs 2 8; the friction between the vertical tube and the frame can be increased, thereby improving the stability of the connection between the vertical tube and the frame; through the mutual use of the reinforcing ribs 1 3 and the reinforcing ribs 2 8, the strength of the semicircular ring 2 and the circular clamp 7 can be improved, thereby improving the service life of the straight tube.

[0028] Working principle: When the utility model is in use, when installing the standpipe, first fix the circular clamp ring 7 to the frame through the locking bolt 10, and then fix the handle to the standpipe through the semicircular clamp ring 5 and the hexagon socket bolt 4 to achieve the installation of the standpipe;

[0029] While riding, since the windward end surface of the semicircular clamping ring 5 is in the shape of a raindrop, wind resistance can be reduced, thereby effectively saving energy for long-distance riders.

[0030] The above description of the embodiments is intended to enable those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A teardrop-shaped frame riser with internal reinforcement ribs, comprising a straight tube (1), characterized in that: One end of the straight tube (1) is fixedly connected to a circular clamp (7), and a fixing member 1 is provided on the circular clamp (7); The other end of the straight tube (1) is fixedly connected to a semicircular ring (2), one side of the semicircular ring (2) is provided with a semicircular clamping ring (5), and the semicircular ring (2) is provided with a second fixing member acting on the semicircular clamping ring (5); A plurality of reinforcing ribs (12) are evenly arranged on the inner wall of the straight tube (1).

2. The teardrop-shaped frame riser with internal reinforcement ribs according to claim 1, characterized in that: The front end surface of the semicircular clamping ring (5) is in a raindrop shape.

3. The teardrop-shaped frame riser with internal reinforcement ribs according to claim 1, characterized in that: The fixing member 1 includes a connecting plate (9) symmetrically arranged on a circular clamping ring (7), wherein one of the connecting plates (9) is evenly provided with a circular hole 1, and the other connecting plate (9) is evenly provided with a plurality of threaded holes 1 that match the circular hole 1, and a locking bolt (10) that matches the threaded hole 1 is provided in the circular hole 1.

4. The teardrop-shaped frame riser with internal reinforcement ribs according to claim 1, characterized in that: The fixing member 2 comprises a plurality of connecting blocks 1 (6) arranged on the semicircular ring (2) and a plurality of connecting blocks 2 (11) arranged on the semicircular clamping ring (5), wherein the connecting block 2 (11) is provided with a circular hole 2, the connecting block 1 (6) is provided with a threaded hole 2, and the circular hole 2 is provided with a hexagon socket bolt (4) matched with the threaded hole 2.

5. The teardrop-shaped frame riser with internal reinforcement ribs according to claim 1, characterized in that: A plurality of reinforcing ribs (3) are evenly arranged in the semicircular ring (2), a plurality of reinforcing ribs (8) are evenly opened on the inner wall of the circular clamping ring (7), and flexible rubber is provided on the outer walls of the reinforcing ribs (8) and the reinforcing ribs (3).