Reinforced bicycle framework

By designing an adjustable bicycle skeleton, the problem that the existing frame cannot be adjusted flexibly is solved, achieving higher riding comfort and handling performance, and improving the overall stiffness and torsional strength of the skeleton.

CN222629505UActive Publication Date: 2025-03-18HANGZHOU DMILE POWER CO LTD
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Patent Information

Application Number
CN202420808310.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-18
Publication Date
2025-03-18
Estimated Expiration
2034-04-18

AI Technical Summary

Technical Problem

The existing bicycle frame is designed as a fixed structure and cannot be flexible in telescopic adjustments according to the different needs of users, which affects the comfort and handling performance of riding.

Method used

A reinforced bicycle skeleton is designed to realize the expansion and retracting adjustment of the frame body through the configuration of the upper tube A, extension component, down tube A, extension component and adjustment component, and improve the stiffness and shock absorption performance of the frame through the reinforcement component and shock absorption component.

Benefits of technology

It realizes flexible adjustment of the bicycle frame, adapts to the needs of different users, improves the comfort and handling performance of riding, and increases the stiffness and torsional strength of the skeleton, reducing deformation and deflection during riding.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of bicycles, and discloses a reinforced bicycle framework which comprises a pedal pipe, and two bottom fork strips are welded on one side of the pedal pipe. According to the reinforced bicycle framework, through the arrangement of an upper pipe A, an extension assembly, a lower pipe A, an extension assembly and an adjusting assembly, according to habits of a user, an adjusting outer pipe is rotated, so that an opening of an opening screw ring is opened, the extension pipe and the extension pipe are pulled, and after the positions are determined, the adjusting outer pipe is tightened, so that the opening of the opening screw ring is closed; therefore, the stretching of the bicycle frame body is adjusted, the use flexibility of the bicycle is improved, the burden of the back and the waist can be relieved due to the short bicycle frame body, and riding is more comfortable. The bicycle frame main body is long, so that the body of a rider is more inclined, the bicycle frame is suitable for the rider who races and rides with high requirements on controllability, a user can carry out personalized setting according to own requirements, a more comfortable and low-fatigue riding posture is provided, the controllability is improved, and the applicability is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of bicycles, in particular to a reinforced bicycle frame. Background Art

[0002] Bicycles are a commonly used means of transportation. With the development of society and technology, people have higher and higher requirements for bicycles, such as requiring bicycles to be light in weight, beautiful and novel in appearance, and firm and reliable. However, the frame structures of some existing bicycles are complex and difficult to meet the requirements of users. The frame, as the skeleton of the entire bicycle, determines and affects the correctness and comfort of the riding posture to the greatest extent. The frame components are the basic structure of the bicycle, and are also the skeleton and main body of the bicycle. Other components are also directly or indirectly installed on the frame. The quality of the bicycle frame directly affects the riding comfort and safety of the rider.

[0003] When existing bicycle frames are assembled and used, most of the materials are made of steel, which makes the material heavy, resulting in a large weight of the bicycle and inconvenience in riding.

[0004] After searching the existing patent: Bicycle frame (publication number: CN203410572U), the utility model relates to a bicycle frame, which is provided with a seat tube for installing a seat, a head tube for installing a front fork, at least one cross tube connected between the seat tube and the head tube, a through tube for installing a pedal is provided at the bottom of the seat tube, and a rear fork for installing a rear wheel is connected to the other side of the seat tube opposite to the cross tube; a first brake assembly hole for installing a C-type brake is provided in the middle position of the two upper fork tubes of the rear fork; and a first brake assembly part for installing a V-type brake is provided at the corresponding positions of the two upper fork tubes of the rear fork. Thus, a bicycle frame for installing various types of brakes in the market is obtained.

[0005] Although the above patent reduces the wind resistance caused by the brakes, the overall structure is a fixed design and cannot flexibly adjust the bicycle frame body to meet the different needs of users.

[0006] Therefore, it is necessary to invent a reinforced bicycle frame to solve the above problems. Utility Model Content

[0007] 1. Technical issues to be resolved

[0008] The technical problem solved by the utility model is to provide a reinforced bicycle frame which is highly practical and can be easily operated with a relatively simple structure, thereby solving the problem that the fixed structural design proposed in the above-mentioned background technology cannot flexibly adjust the telescopic body of the bicycle frame according to the different needs of users.

[0009] (II) Technical solution

[0010] To achieve the above purpose, the utility model is implemented through the following technical solutions: a reinforced bicycle frame, including a pedal tube, two flat fork bars are welded to one side of the pedal tube, a rotating assembly is welded to the other side of the pedal tube, a lower tube A is rotatably connected to the surface of the rotating assembly, an extension assembly is slidably connected to the interior of the lower tube A, one end of the extension assembly is rotatably connected to a connecting frame, a seat tube is welded to the surface of the pedal tube, a seat fork assembly is sleeved on the surface of the seat tube, an upper tube A is welded to one side of the seat tube, an extension assembly is slidably connected to the interior of the upper tube A, one end of the extension assembly is fixedly connected to a head tube, one end of the lower tube A and the upper tube A are both fixedly connected to an adjustment assembly, the pedal tube, the lower tube A, the extension assembly, the seat tube, the upper tube A, the extension assembly and the interior of the head tube are all fixedly connected to a reinforcing assembly, and the bottom surface of the upper tube A is fixedly connected to a shock absorbing assembly.

[0011] As a further solution of the utility model, the rotating assembly includes a fixing plate welded to the other side of the pedal tube, a through hole is opened on the surface of the fixing plate, and a connecting column is rotatably connected to the inside of the through hole, which facilitates the connection with the lower tube A.

[0012] As a further solution of the utility model, the extension assembly includes an extension tube slidably connected to the inside of the lower tube A, and a lower tube B is welded to one end of the extension tube, and the lower tube B is convenient for providing support.

[0013] As a further solution of the utility model, the fork assembly includes a fork rod sleeved on the surface of the riser, and one end of the fork rod is fixedly connected to a fixing column, which is convenient for providing a connection function.

[0014] As a further solution of the utility model, the extension assembly includes an extension tube slidably connected to the interior of the upper tube A, and an upper tube B is welded to one end of the extension tube, so that the upper tube B is convenient for providing support.

[0015] As a further solution of the utility model, the adjustment component includes an open wire ring fixedly connected to one end of the lower tube A and the upper tube A, and the surface of the open wire ring is threadedly connected to an adjusting outer tube, which facilitates length adjustment.

[0016] As a further solution of the utility model, the reinforcing assembly includes reinforcing ribs which are fixedly connected to the pedal tube, the down tube A, the extension assembly, the seat tube, the upper tube A, the extension assembly and the inside of the head tube, and the bottom surface of the reinforcing ribs is fixedly connected with a carbon fiber composite layer, and the reinforcing ribs facilitate improving the overall rigidity.

[0017] As a further solution of the utility model, the shock absorbing assembly includes a hydraulic rod fixedly connected to the bottom surface of the upper tube A, and a buffer spring is sleeved on the surface of the hydraulic rod, which is convenient for reducing the force.

[0018] (III) Beneficial effects

[0019] The utility model provides a reinforced bicycle frame, which has the following beneficial effects:

[0020] 1. The reinforced bicycle frame, through the setting of the upper tube A, the extension assembly, the lower tube A, the extension assembly and the adjustment assembly, according to the user's habits, rotates the adjustment outer tube to open the opening of the open wire ring, pulls the extension tube and the extension tube, and after determining the position, tightens the adjustment outer tube to close the opening of the open wire ring, thereby adjusting the telescopic movement of the bicycle frame body and improving the flexibility of bicycle use. The short frame body can reduce the burden on the back and waist, making riding more comfortable. The long frame body makes the rider's body more inclined, which is suitable for racing and riders with high requirements for controllability. Users can make personalized settings according to their own needs, providing a more comfortable and low-fatigue riding posture, improving control performance, and improving applicability.

[0021] 2. The reinforced bicycle frame has stiffness due to the setting of the reinforcement components, and the reinforcement ribs can increase the overall stiffness and torsional strength of the bicycle frame, make the frame more stable, reduce deformation and deflection during riding, and provide better handling and stability, especially in curved driving and technical riding. In addition, the use of the carbon fiber composite layer can significantly reduce the weight of the bicycle frame and improve riding efficiency and acceleration performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the extension component of the utility model;

[0024] Figure 3 This is a schematic diagram of the structure of the adjustment component of the utility model;

[0025] Figure 4 This is a schematic diagram of the structure of the shock absorbing component of the utility model;

[0026] Figure 5 This is a schematic diagram of the structure of the reinforcement component of the utility model.

[0027] In the figure: 1. pedal tube; 2. flat fork bar; 3. rotating assembly; 301. fixing plate; 302. connecting column; 4. down tube A; 5. extension assembly; 501. extension tube; 502. down tube B; 6. connecting frame; 7. seat tube; 8. seat fork assembly; 801. seat fork rod; 802. fixing column; 9. upper tube A; 10. extension assembly; 1001. extension tube; 1002. upper tube B; 11. head tube; 12. adjustment assembly; 1201. open wire ring; 1202. adjusting outer tube; 13. reinforcement assembly; 1301. reinforcement rib; 1302. carbon fiber composite layer; 14. shock absorbing assembly; 1401. hydraulic rod; 1402. buffer spring. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figures 1 to 5The utility model provides a technical solution: a reinforced bicycle frame, including a pedal tube 1, two flat fork bars 2 are welded to one side of the pedal tube 1, a rotating assembly 3 is welded to the other side of the pedal tube 1, a lower tube A4 is rotatably connected to the surface of the rotating assembly 3, an extension assembly 5 is slidably connected to the interior of the lower tube A4, one end of the extension assembly 5 is rotatably connected to a connecting frame 6, a seat tube 7 is welded to the surface of the pedal tube 1, a seat fork assembly 8 is sleeved on the surface of the seat tube 7, an upper tube A9 is welded to one side of the seat tube 7, an extension assembly 10 is slidably connected to the interior of the upper tube A9, and one end of the extension assembly 10 is fixedly connected to a head tube 11, One end of the lower tube A4 and the upper tube A9 are fixedly connected with an adjustment component 12. Through the arrangement of the upper tube A9, the extension component 10, the lower tube A4, the extension component 5 and the adjustment component 12, according to the user's habit, the adjustment outer tube 1202 is rotated to open the opening of the open wire ring 1201, and the extension tube 1001 and the extension tube 501 are pulled out. After the position is determined, the adjustment outer tube 1202 is tightened to close the opening of the open wire ring 1201, thereby adjusting the telescopic movement of the bicycle frame body and improving the flexibility of the bicycle. The shortened frame body can reduce the burden on the back and waist, making riding more comfortable. The length of the main body of the frame allows the rider to lean more, which is suitable for racing and riders with high requirements for controllability. Users can make personalized settings according to their own needs, providing a more comfortable and low-fatigue riding posture, improving controllability, and improving applicability. The pedal tube 1, the down tube A4, the extension component 5, the seat tube 7, the upper tube A9, the extension component 10 and the head tube 11 are all fixedly connected with a reinforcing component 13. Through the setting of the reinforcing component 13, the reinforcing ribs 1301 have rigidity, which can increase the overall rigidity and torsional strength of the bicycle frame, make the frame more stable, reduce deformation and deflection during riding, especially in curved driving and technical riding, and provide better controllability and stability. In addition, the use of the carbon fiber composite layer 1302 can significantly reduce the weight of the bicycle frame, improve riding efficiency and acceleration performance, and the bottom surface of the upper tube A9 is fixedly connected with a shock absorbing component 14;

[0030] The rotating assembly 3 includes a fixing plate 301 welded to the other side of the pedal tube 1. A through hole is formed on the surface of the fixing plate 301. A connecting column 302 is rotatably connected inside the through hole. The setting of the rotating assembly 3 facilitates the adjustment of the angle of the extending assembly 5.

[0031] The extension assembly 5 includes an extension tube 501 slidably connected to the inside of the lower tube A4, and one end of the extension tube 501 is welded to the lower tube B502. The setting of the extension assembly 5 plays a role in adjusting the length of the bicycle frame;

[0032] The fork assembly 8 includes a fork rod 801 sleeved on the surface of the seat tube 7, and one end of the fork rod 801 is fixedly connected to a fixing column 802. The arrangement of the fork assembly 8 facilitates fixing the wheel hub.

[0033] The extension assembly 10 includes an extension tube 1001 slidably connected to the interior of the upper tube A9, and an upper tube B1002 is welded to one end of the extension tube 1001. The setting of the extension assembly 10 plays a role in adjusting the length of the bicycle frame;

[0034] The adjustment component 12 includes an open wire ring 1201 fixedly connected to one end of the lower tube A4 and the upper tube A9, and the surface of the open wire ring 1201 is threadedly connected with an adjustment outer tube 1202. The setting of the adjustment component 12 plays the role of adjustment and fixing;

[0035] The reinforcement component 13 includes reinforcement ribs 1301 fixedly connected to the pedal tube 1, the down tube A4, the extension component 5, the seat tube 7, the upper tube A9, the extension component 10 and the head tube 11. The bottom surface of the reinforcement rib 1301 is fixedly connected with a carbon fiber composite layer 1302. The reinforcement component 13 is arranged to improve the overall rigidity and anti-twisting effect.

[0036] The shock absorbing assembly 14 includes a hydraulic rod 1401 fixedly connected to the bottom surface of the upper tube A9. A buffer spring 1402 is sleeved on the surface of the hydraulic rod 1401. The setting of the shock absorbing assembly 14 can reduce the impact of the rear seat.

[0037] In the utility model, the working steps of the device are as follows:

[0038] Step 1: According to the user's habit, rotate and adjust the outer tube 1202 to open the opening of the open wire ring 1201, pull out the extension tube 1001 and the extension tube 501, and after determining the position, tighten the outer tube 1202 to close the opening of the open wire ring 1201;

[0039] Step 2: The reinforcing ribs 1301 have rigidity, which can increase the overall rigidity and torsional strength of the bicycle frame. In addition, the use of the carbon fiber composite layer 1302 can significantly reduce the weight of the bicycle frame.

[0040] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0041] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reinforced bicycle frame, comprising a pedal tube (1), characterized in that: Two flat fork bars (2) are welded to one side of the pedal tube (1), a rotating assembly (3) is welded to the other side of the pedal tube (1), a lower tube A (4) is rotatably connected to the surface of the rotating assembly (3), an extension assembly (5) is slidably connected inside the lower tube A (4), one end of the extension assembly (5) is rotatably connected to a connecting frame (6), a riser (7) is welded to the surface of the pedal tube (1), a fork assembly (8) is sleeved on the surface of the riser (7), and an upper tube A (9) is welded to one side of the riser (7). The upper tube A (9) is slidably connected to an extension assembly (10), one end of the extension assembly (10) is fixedly connected to a head tube (11), one end of the lower tube A (4) and the upper tube A (9) are both fixedly connected to an adjustment assembly (12), the pedal tube (1), the lower tube A (4), the extension assembly (5), the seat tube (7), the upper tube A (9), the extension assembly (10) and the head tube (11) are all fixedly connected to a reinforcement assembly (13), and the bottom surface of the upper tube A (9) is fixedly connected to a shock absorbing assembly (14).

2. A reinforced bicycle frame according to claim 1, characterized in that: The rotating assembly (3) comprises a fixing plate (301) welded to the other side of the pedal tube (1), a through hole is provided on the surface of the fixing plate (301), and a connecting column (302) is rotatably connected inside the through hole.

3. The reinforced bicycle frame according to claim 1, characterized in that: The extension assembly (5) comprises an extension tube (501) slidably connected to the interior of the lower tube A (4), and one end of the extension tube (501) is welded to the lower tube B (502).

4. The reinforced bicycle frame according to claim 1, characterized in that: The fork assembly (8) comprises a fork rod (801) sleeved on the surface of the stand pipe (7), and one end of the fork rod (801) is fixedly connected to a fixing column (802).

5. The reinforced bicycle frame according to claim 1, characterized in that: The extension assembly (10) comprises an extension tube (1001) slidably connected to the interior of the upper tube A (9), and one end of the extension tube (1001) is welded to the upper tube B (1002).

6. The reinforced bicycle frame according to claim 1, characterized in that: The adjustment component (12) comprises an open wire ring (1201) fixedly connected to one end of the lower tube A (4) and the upper tube A (9), and the surface of the open wire ring (1201) is threadedly connected to an adjustment outer tube (1202).

7. The reinforced bicycle frame according to claim 1, characterized in that: The reinforcing assembly (13) comprises reinforcing ribs (1301) which are fixedly connected to the pedal tube (1), the down tube A (4), the extension assembly (5), the seat tube (7), the upper tube A (9), the extension assembly (10) and the inside of the head tube (11); the bottom surface of the reinforcing ribs (1301) is fixedly connected to a carbon fiber composite layer (1302).

8. The reinforced bicycle frame according to claim 1, characterized in that: The shock absorbing assembly (14) comprises a hydraulic rod (1401) fixedly connected to the bottom surface of the upper tube A (9), and a buffer spring (1402) is sleeved on the surface of the hydraulic rod (1401).

Citation Information

Patent Citations

  • Bicycle frame

    CN203410572U