Bicycle rim with good side wall protection performance
By incorporating cushioning and protective components on bicycle rims, impact forces are absorbed and dispersed, solving the problem of rim wear when in contact with curbs during riding and achieving better protection and extended service life.
Patent Information
- Application Number
- CN202520052697.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-01-10
AI Technical Summary
Bicycle rims are easily scratched and worn when they come into contact with curbs during riding, resulting in a shortened lifespan, and existing protective measures are insufficient.
A bicycle rim comprising a buffer assembly, a protective inner ring assembly, and a protective outer ring assembly has been designed. By having the metal casing make early contact and move, combined with air damping within the air reservoir and the rolling of the built-in ball, the impact force is absorbed and dispersed, reducing damage.
Effective cushioning and shock absorption reduce wheel damage, extend service life, improve protective performance, and enhance durability.
Smart Images
Figure CN223686253U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of bicycle rim, concretely is a bicycle rim with good sidewall protection. BACKGROUND
[0002] The bicycle rim, also known as a wheel rim, is a core component in a bicycle wheel set, which connects the spokes and the tire and constitutes the main structure of the wheel. The main function of the rim is to support the tire, maintain the shape and air pressure of the tire, and together with the spokes, bear the rotational force transmitted from the axle and various impact forces during riding. The sidewall protection can improve the strength of the rim body and prevent damage or deformation of the rim during riding due to external impact.
[0003] Most of the damage to the bicycle rim occurs during riding, especially when the rim comes into contact with the curb. The probability of such collisions is quite high, and this contact can cause the rim to be scratched and worn on both sides, thereby shortening its service life. Therefore, when designing protective measures for the bicycle rim, the actual collision situation during riding must be considered. If the protective measures cannot effectively respond to these collisions during riding, the protective performance of the rim will be greatly compromised. Therefore, a bicycle rim with good sidewall protection is proposed to address the above problems. SUMMARY
[0004] The utility model aims at providing a bicycle rim with good sidewall protection to solve the problem that when the rim comes into contact with the curb, it can cause the rim to be scratched and worn on both sides, thereby shortening its service life. If the protective measures cannot effectively respond to these collisions during riding, the protective performance of the rim will be greatly compromised.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions:
[0006] The utility model provides a bicycle wheel rim with good side wall protection, which comprises a bicycle wheel rim body, a cylindrical mounting groove is formed on the inner side of the bicycle wheel rim body near a buffer assembly, the buffer assembly is fixedly connected to the inner side of the cylindrical mounting groove formed on the bicycle wheel rim body, a protection inner ring assembly is fixedly connected to one side of the buffer assembly, a protection outer ring assembly is sleeved on the outer side of the protection inner ring assembly, the buffer assembly comprises a cylindrical shell, a gas storage column groove is formed on the inner side of the cylindrical shell, a cylindrical sliding block is slidably connected to the inner side of the cylindrical shell, a rubber ring is fixedly connected to the outer side of the cylindrical sliding block, a taper block is fixedly connected to one side of the cylindrical sliding block, an embedded ball is fixedly connected to one side of the taper block, the embedded ball is embedded in the inner side of a ball groove, the ball groove is formed on the inner side of a ball seat, the protection inner ring assembly comprises a metal inner ring, a ball rotating groove is formed on the inner side of the metal inner ring near the protection outer ring assembly, a shaft column is fixedly connected to the inner side of the ball rotating groove formed on the metal inner ring, an inner hole steel ball is rotatably connected to the outer side of the shaft column, the protection outer ring assembly comprises a metal sleeve shell, a sleeve groove is formed on the inner side of the metal sleeve shell near the metal inner ring, and a rubber ring pad is fixedly connected to one side of the metal sleeve shell near the bicycle wheel rim body.
[0007] As a further optimization of the utility model, one end of the cylindrical mounting groove penetrates the bicycle wheel rim body, the cylindrical mounting groove is in the shape of a cylinder, cylindrical mounting grooves are formed on the left and right ends of the bicycle wheel rim body, and the inner side of the cylindrical mounting groove formed on the bicycle wheel rim body is fixedly connected to the outer side of the cylindrical shell.
[0008] As a further optimization of the utility model, the cylindrical shell is in the shape of a slotted cylinder, the gas storage column groove is in the shape of two cylinders, one end of the gas storage column groove penetrates the cylindrical shell, and the outer side of the rubber ring is in close contact with the inner side of the gas storage column groove formed on the cylindrical shell.
[0009] As a further optimization of the utility model, the cylindrical sliding block is in the shape of a cylinder, the outer side of the cylindrical sliding block is in close contact with the inner side of the gas storage column groove formed on the cylindrical shell, and a spacing of the length of the gas storage column groove is provided between the cylindrical sliding block and the cylindrical shell.
[0010] As a further optimization of the utility model, the taper block is in the shape of a cone, part of the taper block is embedded in the inner side of the gas storage column groove, the embedded ball is in the shape of a sphere, and three-fifths of the embedded ball is installed in the inner side of the ball groove.
[0011] As a further optimization of the utility model, one end of the ball groove penetrates the ball seat, one side of the ball seat is fixedly connected to one side of the metal inner ring, and there is a spacing of five millimeters between the inner side of the ball seat and the metal sleeve shell.
[0012] As the further optimization of the utility model, wherein: the shape of the metal inner ring is a circular body, the metal inner ring is embedded and installed in the sleeve groove of the metal sleeve shell, the outer side of the inner hole steel ball is attached to the inner side of the sleeve groove of the metal sleeve shell, the shape of the sleeve groove is a circular body, and a spacing is arranged between the metal sleeve shell and the bicycle rim body.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] In the utility model, the buffer assembly, the protective inner ring assembly and the protective outer ring assembly are arranged, when the rim collides with the curb, the device can effectively absorb and disperse the impact force, reduce the damage to the rim directly, and reduce the damage of the protective device caused by the collision;
[0015] Specifically, through the advance contact and movement of the metal sleeve shell and the damping effect of the air in the gas column groove, the impact force is buffered and damped, and the rolling of the built-in ball and the ball groove further reduces the local vibration, protects the rim body, in addition, the protection of the rubber ring pad and the limiting rotation design of the inner hole steel ball reduce the damage of the metal sleeve shell caused by friction, improve the protection performance of the rim as a whole, prolong the service life, and the design makes the rim more solid and durable in the face of collision and impact in daily riding. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a whole structure schematic view of the utility model;
[0017] Figure 2 It is a cut open structure schematic view of the bicycle rim body of the utility model;
[0018] Figure 3 It is a structure schematic view of the A place of the utility model; Figure 2
[0019] Figure 4 It is an explosion structure schematic view of the whole of the utility model;
[0020] Figure 5 It is a cut open structure schematic view of the metal inner ring of the utility model;
[0021] Figure 6 It is a structure schematic view of the B place of the utility model; Figure 5
[0022] Figure 7 It is a cut open structure schematic view of the cylindrical shell of the utility model;
[0023] Figure 8 It is a cylindrical slider structure schematic view of the utility model.
[0024] In the figure: 1, bicycle wheel body;
[0025] 2, buffer assembly; 21, cylindrical shell; 22, gas storage column groove; 23, cylindrical slider; 24, rubber ring; 25, tapered block; 26, built-in ball; 27, ball groove; 28, ball seat;
[0026] 3, protective inner ring assembly; 31, metal inner ring; 32, ball rotation groove; 33, shaft column; 34, inner hole steel ball;
[0027] 4, protective outer ring assembly; 41, metal sleeve shell; 42, sleeve groove; 43, rubber ring pad;
[0028] 5, cylindrical mounting groove. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0030] It should be noted that the terms used herein are only for the purpose of describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.
[0031] Please refer to Figures 1-8 The present application provides a technical solution:
[0032] The utility model provides a bicycle wheel rim with good sidewall protection, which comprises a bicycle wheel rim body 1, a cylindrical mounting groove 5 is formed on the inner side of the bicycle wheel rim body 1 close to a buffer assembly 2, the buffer assembly 2 is fixedly connected to the inner side of the cylindrical mounting groove 5 formed on the bicycle wheel rim body 1, a protective inner ring assembly 3 is fixedly connected to one side of the buffer assembly 2, a protective outer ring assembly 4 is sleeved on the outer side of the protective inner ring assembly 3, the buffer assembly 2 comprises a cylindrical shell 21, a gas storage column groove 22 is formed on the inner side of the cylindrical shell 21, a cylindrical sliding block 23 is slidably connected to the inner side of the cylindrical shell 21, a rubber ring 24 is fixedly connected to the outer side of the cylindrical sliding block 23, a taper block 25 is fixedly connected to one side of the cylindrical sliding block 23, an embedded ball 26 is fixedly connected to one side of the taper block 25, the embedded ball 26 is embedded in the inner side of a ball groove 27, the ball groove 27 is formed on the inner side of a ball seat 28, the protective inner ring assembly 3 comprises a metal inner ring 31, a ball rotating groove 32 is formed on the inner side of the metal inner ring 31 close to the protective outer ring assembly 4, a shaft column 33 is fixedly connected to the inner side of the ball rotating groove 32 formed on the metal inner ring 31, an inner hole steel ball 34 is rotatably connected to the outer side of the shaft column 33, the protective outer ring assembly 4 comprises a metal sleeve shell 41, a sleeve groove 42 is formed on the inner side of the metal sleeve shell 41 close to the metal inner ring 31, a rubber ring pad 43 is fixedly connected to one side of the metal sleeve shell 41 close to the bicycle wheel rim body 1.
[0033] As a further embodiment of the present scheme, the cylindrical mounting groove 5 penetrates one end of the bicycle wheel rim body 1, the cylindrical mounting groove 5 is in the shape of a cylinder, the left end and the right end of the bicycle wheel rim body 1 are both provided with the cylindrical mounting groove 5, the inner side of the cylindrical mounting groove 5 formed on the bicycle wheel rim body 1 is fixedly connected to the outer side of the cylindrical shell 21, which facilitates the uniform and equidistant circumferential distribution of the buffer assembly 2 on the outer side of the bicycle wheel rim body 1, thereby improving the stability of the connection of the protective inner ring assembly 3;
[0034] As a further embodiment of the present scheme, the cylindrical shell 21 is in the shape of a slotted cylinder, the gas storage column groove 22 is in the shape of two cylinders, the gas storage column groove 22 penetrates one end of the cylindrical shell 21, the outer side of the rubber ring 24 is in close contact with the inner side of the gas storage column groove 22 formed on the cylindrical shell 21, the cylindrical sliding block 23 is in the shape of a cylinder, the outer side of the cylindrical sliding block 23 is in close contact with the inner side of the gas storage column groove 22 formed on the cylindrical shell 21, the cylindrical sliding block 23 and the cylindrical shell 21 are spaced apart by the length of the gas storage column groove 22, the cylindrical sliding block 23 is slid in the gas storage column groove 22, and the air in the gas storage column groove 22 is compressed, thereby achieving the effect of damping and buffering when the protective inner ring assembly 3 and the protective outer ring assembly 4 are impacted;
[0035] As a further implementation of the scheme, the shape of the cone block 25 is a cone, and the cone block 25 is partially embedded in the inside of the gas column groove 22. The shape of the built-in ball 26 is a sphere, and three-fifths of the built-in ball 26 is installed in the inside of the ball groove 27. The ball groove 27 penetrates one end of the ball seat 28, and the ball seat 28 is fixedly connected to one side of the metal inner ring 31. There is a five-millimeter gap between the ball seat 28 and the inside of the metal sleeve 41. By setting the built-in ball 26 and the ball seat 28, the protective inner ring assembly 3 and the protective outer ring assembly 4 are allowed to partially deviate when the device is subjected to the protective inner ring assembly 3 and the protective outer ring assembly 4, thereby reducing the impact on cycling. A buffer space is left between the metal sleeve 41 and the bicycle rim body 1.
[0036] As a further implementation of the scheme, the shape of the metal inner ring 31 is a circular ring, and the outer part of the metal inner ring 31 is embedded in the inside of the sleeve groove 42 of the metal sleeve 41. The outer side of the inner hole steel ball 34 is in contact with the inner side of the sleeve groove 42 of the metal sleeve 41. The sleeve groove 42 is in the shape of a circular ring. There is a gap between the metal sleeve 41 and the bicycle rim body 1, which greatly reduces the friction when the metal sleeve 41 rotates. By rotating the metal sleeve 41, the force of the metal sleeve 41 colliding with the curbstone is dispersed, which has the effect of protecting the bicycle rim body 1. At the same time, it can reduce the phenomenon of damage to the metal sleeve 41.
[0037] Workflow: when the device collides with the curb during the process of riding, since the bicycle rim body 1 is in a rotating state during the process of riding, at this time the protective inner ring assembly 3, the buffer assembly 2 and the protective outer ring assembly 4 will rotate as a whole with the bicycle rim body 1, the protective outer ring assembly 4 and the protective inner ring assembly 3 are arranged on both sides of the bicycle rim body 1, and the protective outer ring assembly 4 protrudes outside the protective inner ring assembly 3, when colliding, the metal sleeve shell 41 will contact the curb in advance, after the metal sleeve shell 41 contacts the curb, part of the metal sleeve shell 41 will move towards the bicycle rim body 1, at this time the metal sleeve shell 41 drives the metal inner ring 31 to move towards the bicycle rim body 1, the metal inner ring 31 drives the ball seat 28, the built-in ball 26, the taper block 25 and the cylindrical slider 23 to move towards the bicycle rim body 1, since the rubber ring 24 seals between the cylindrical slider 23 and the cylindrical shell 21, at this time the cylindrical slider 23 extrudes the air in the air storage column groove 22, through the damping of the air in the air storage column groove 22, the effect of buffering and shock absorption between the metal sleeve shell 41 and the curb is realized, during the process that part of the metal inner ring 31 moves towards the bicycle rim body 1, the built-in ball 26 will roll in the ball groove 27, the arrangement of the built-in ball 26 and the ball seat 28 can realize the effect of damping and buffering of the metal inner ring 31 and the metal sleeve shell 41, and at the same time, the influence on riding can be avoided, when the metal sleeve shell 41 moves, the rubber ring pad 43 will move towards the bicycle rim body 1, the rubber ring pad 43 plays the effect of protecting the metal sleeve shell 41, so as to prevent the metal sleeve shell 41 from being damaged due to collision with the bicycle rim body 1, and at the same time, during the process that the metal sleeve shell 41 contacts the curb, due to the friction between the curb and the metal sleeve shell 41, the metal sleeve shell 41 will rotate outside the metal inner ring 31, when the metal sleeve shell 41 rotates, the inner hole steel ball 34 is driven to rotate by friction, the inner hole steel ball 34 rotates outside the shaft column 33, plays the role of limiting the rotation of the inner hole steel ball 34, through the arrangement of the inner hole steel ball 34, the friction of the metal sleeve shell 41 during rotation can be greatly reduced, through the rotating mode of the metal sleeve shell 41, the effect of dispersing the force of the collision between the metal sleeve shell 41 and the curb is realized, that is, the effect of protecting the bicycle rim body 1 is realized, and the phenomenon of damage of the metal sleeve shell 41 can be reduced.
[0038] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A bicycle rim with good sidewall protection, comprising a bicycle rim body (1), characterized in that: The bicycle rim body (1) is provided with a cylindrical mounting groove (5) near the inner side of the buffer assembly (2), the cylindrical mounting groove (5) of the bicycle rim body (1) is fixedly connected with the buffer assembly (2) on the inner side, the buffer assembly (2) is fixedly connected with the protective inner ring assembly (3) on one side, and the protective inner ring assembly (3) is sleeved with the protective outer ring assembly (4) on the outer side. The buffer assembly (2) comprises a cylindrical shell (21), a gas storage column groove (22) is formed in the inner side of the cylindrical shell (21), a cylindrical sliding block (23) is slidably connected to the inner side of the cylindrical shell (21), a rubber ring (24) is fixedly connected to the outer side of the cylindrical sliding block (23), a taper block (25) is fixedly connected to one side of the cylindrical sliding block (23), an embedded ball (26) is fixedly connected to one side of the taper block (25), the embedded ball (26) is embedded and installed in the inner side of a ball groove (27), the ball groove (27) is formed in the inner side of a ball seat (28), the protective inner ring assembly (3) comprises a metal inner ring (31), a ball rotating groove (32) is formed in the inner side of the metal inner ring (31) near the protective outer ring assembly (4), a shaft column (33) is fixedly connected to the inner side of the ball rotating groove (32) of the metal inner ring (31), an inner hole steel ball (34) is rotatably connected to the outer side of the shaft column (33), and the protective outer ring assembly (4) comprises a metal sleeve shell (41).
2. The bicycle rim according to claim 1, wherein: One end of the cylindrical mounting groove (5) penetrates the bicycle rim body (1), the cylindrical mounting groove (5) is in the shape of a cylinder, the left end and the right end of the bicycle rim body (1) are both provided with the cylindrical mounting groove (5), and the inner side of the cylindrical mounting groove (5) of the bicycle rim body (1) is fixedly connected with the outer side of the cylindrical shell (21).
3. The bicycle rim according to claim 1, wherein: The cylindrical shell (21) is in the shape of a slotted cylinder, the gas storage column groove (22) is in the shape of two cylinders, one end of the gas storage column groove (22) penetrates the cylindrical shell (21), and the outer side of the rubber ring (24) is in close contact with the inner side of the gas storage column groove (22) of the cylindrical shell (21).
4. The bicycle rim according to claim 1, wherein: The cylindrical sliding block (23) is in the shape of a cylinder, the outer side of the cylindrical sliding block (23) is in close contact with the inner side of the gas storage column groove (22) of the cylindrical shell (21), and the cylindrical sliding block (23) and the cylindrical shell (21) are spaced apart by a length of the gas storage column groove (22).
5. The bicycle rim according to claim 1, wherein: The taper block (25) is in the shape of a cone, part of the taper block (25) is embedded and installed in the inner side of the gas storage column groove (22), and the embedded ball (26) is in the shape of a sphere.
6. The bicycle rim according to claim 1, wherein: One end of the ball groove (27) penetrates the ball seat (28), one side of the ball seat (28) is fixedly connected with one side of the metal inner ring (31), and there is a five-millimeter spacing between the inner side of the ball seat (28) and the metal sleeve shell (41).
7. The bicycle rim according to claim 1, wherein: The metal inner ring (31) is in the shape of a circular ring body, the outer part of the metal inner ring (31) is embeddedly installed inside the sleeve groove (42) of the metal sleeve shell (41), the outer side of the inner hole steel ball (34) is attached to the inner side of the sleeve groove (42) of the metal sleeve shell (41), the sleeve groove (42) is in the shape of a circular ring body, and a spacing is arranged between the metal sleeve shell (41) and the bicycle rim body (1).