A crossbar detachable bicycle

By designing a detachable load-bearing structure that connects to the frame, the problem of the existing bicycle crossbeams being unable to be switched is solved, enabling the bicycle to be used for multiple purposes and improving the rider's user experience.

CN224491346UActive Publication Date: 2026-07-14CHUANGSHUO INTELLIGENT TECHNOLOGY (DONGGUAN) CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHUANGSHUO INTELLIGENT TECHNOLOGY (DONGGUAN) CO LTD
Filing Date
2025-09-29
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

The existing bicycle crossbars are difficult to switch easily according to the rider's needs, resulting in limited performance and failing to meet the needs of different riders, thus affecting the user experience.

Method used

Design a bicycle with a detachable crossbeam. A detachable load carrier is installed on the frame, and fasteners are used to achieve a detachable connection between the load carrier and the frame. The load carrier can be a straight tube or a curved tube structure to meet the needs of different riders.

Benefits of technology

It enables convenient installation and removal of the load-bearing structure, improves the versatility and user experience of bicycles, and meets the needs of different riders.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a bicycle technical field especially relates to a kind of detachable bicycle of crossbeam, including frame body and the load carrier of detachable setting in frame body, the frame body includes head tube, and the tail pipe of interval setting with head tube and the body tube of setting between head tube and tail pipe, the head tube, body tube, tail pipe integrated molding, the load carrier includes stem, the clamping portion of setting in one end of stem and the fastening portion of setting in another end of stem, the clamping portion, stem, fastening portion integrated molding, the connecting place between head tube and clamping portion is provided with first fastener, the connecting place between tail pipe and fastening portion is provided with second fastener.The utility model realizes that load carrier is installed and disassembled on frame body, it is simple and convenient to operate, and it is strong in versatility, effectively satisfy the use demand of rider, improve use experience.
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Description

Technical Field

[0001] This utility model relates to the field of bicycle technology, and in particular to a bicycle with a detachable crossbeam. Background Technology

[0002] In modern society, bicycles are not only an important means of transportation but also a popular leisure activity and fitness method. They are widely used in transportation, entertainment, and sports. A bicycle is a small land vehicle propelled by human pedaling, usually consisting of two wheels, although three-wheeled or single-wheeled variations also exist. The rear wheel is driven by a chain drive connected to the pedals, while the front wheel is used for steering. The crossbar, also known as the top tube or frame, is an important component of the frame, responsible for maintaining the overall structure and stability of the bicycle. It is the main load-bearing component of the frame. Existing crossbars are generally fixed to the frame through multiple welding operations. Because the position and shape of the crossbar determine the type and purpose of the bicycle—for example, straight crossbars are often for men, while curved crossbars are often for women—it is difficult to easily switch between different uses on the same bicycle according to the rider's needs. This results in limited functionality and fails to better meet the rider's requirements, affecting the user experience. Utility Model Content

[0003] The purpose of this utility model is to address the shortcomings of existing technologies by providing a bicycle with a detachable crossbeam, enabling the installation and removal of the load on the frame. This is simple and convenient to operate, highly versatile, effectively meets the needs of riders, and improves the user experience.

[0004] To achieve the above objectives, this utility model provides a bicycle with a detachable crossbeam, comprising a frame and a load-bearing device detachably mounted on the frame. The frame includes a head tube, a tail tube spaced apart from the head tube, and a body tube disposed between the head tube and the tail tube. The head tube, body tube, and tail tube are integrally formed. The load-bearing device includes a rod, a clamping part disposed at one end of the rod, and a fastening part disposed at the other end of the rod. The clamping part, rod, and fastening part are integrally formed. A first fastener is provided at the connection between the head tube and the clamping part, and a second fastener is provided at the connection between the tail tube and the fastening part.

[0005] Preferably, the clamping part is U-shaped and has a perforated hole that penetrates the front and rear surfaces of the clamping part.

[0006] Preferably, the tailpipe is provided with an extension frame, the extension frame extends away from the tailpipe, the tailpipe and the extension frame are integrally formed, the extension frame is U-shaped, and the fastening part is connected to the extension frame by a second fastener.

[0007] Preferably, the head tube is rotatably equipped with a handlebar and a front fork, the front fork is equipped with a front tire, and the handlebar is connected to the front tire through the front fork.

[0008] Preferably, a seat is provided at the top of the tailpipe, a rear fork is provided on the tailpipe, and a rear tire is provided on the rear fork.

[0009] Preferably, the vehicle body tube is equipped with pedals, and the pedals are connected to the rear tires by a chain.

[0010] The beneficial effects of this utility model are: it enables the installation and disassembly of the load on the frame, which is simple and convenient to operate, highly versatile, effectively meets the needs of cyclists, and improves the user experience. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of this utility model.

[0012] Figure 2 This is a schematic diagram of the load-carrying structure of this utility model.

[0013] The reference numerals in the figures include:

[0014] 1 - Frame; 11 - Head tube; 12 - Rear tube

[0015] 13 - Body tube 14 - Extension frame 15 - Handlebars

[0016] 16 - Front fork 17 - Front tire 18 - Seat

[0017] 19 - Rear fork assembly; 110 - Rear tire; 111 - Foot pedal assembly

[0018] 112 - Chain

[0019] 2——Load carrier 21——Rod 22——Clamping part

[0020] 23 – Fastener; 24 – First Fastener; 25 – Second Fastener

[0021] 26 - Hollowed-out holes. Detailed Implementation

[0022] The present invention will now be described in detail with reference to the accompanying drawings.

[0023] like Figures 1 to 2As shown, this utility model discloses a bicycle with a detachable crossbeam, comprising a frame 1 and a load carrier 2 detachably mounted on the frame 1. The frame 1 includes a head tube 11, a tail tube 12 spaced apart from the head tube 11, and a body tube 13 disposed between the head tube 11 and the tail tube 12. The head tube 11, body tube 13, and tail tube 12 are integrally formed. The load carrier 2 includes a rod 21, a clamping part 22 disposed at one end of the rod 21, and a fastening part 23 disposed at the other end of the rod 21. The clamping part 22, rod 21, and fastening part 23 are integrally formed. A first fastener 24 is provided at the connection between the head tube 11 and the clamping part 22, and a second fastener 25 is provided at the connection between the tail tube 12 and the fastening part 23.

[0024] The front tube 11, body tube 13, and rear tube 12 are integrally formed to form the frame 1. Because the frame 1 is integrally formed, it has good structural stability and requires minimal assembly steps, resulting in efficient manufacturing. The clamping part 22, rod part 21, and fastening part 23 are integrally formed to form the load carrier 2. Because the load carrier 2 is integrally formed, it has good structural stability and requires minimal assembly steps, resulting in efficient manufacturing. The clamping part 22 is connected to the front tube 11 via a first fastener 24, and the fastening part 23 is connected to the rear tube 12 via a second fastener 25, thus achieving a detachable connection between the load carrier 2 and the frame 1. The rod part 21 can be divided into straight tube and curved tube structures. Since men are generally larger and have longer upper limbs and body structures, the straight tube pole 21 design not only helps maintain the stability and comfort of men's riding posture but also provides better support and stability for the frame 1. The relatively low-positioned curved tube pole 21 design facilitates women's mounting and dismounting, preventing accidental pulling or tearing of clothing. The curved tube pole 21 design also contributes to the comfort and stability of women's riding posture, making it especially suitable for shorter or less mobile women. Therefore, cyclists can easily switch between different types of load carriers 2 according to their own needs, facilitating installation, disassembly, and replacement, and efficiently meeting diverse usage requirements. This utility model enables the installation and disassembly of the load carrier 2 on the frame 1, is simple and convenient to operate, highly versatile, effectively meets the needs of cyclists, and improves the user experience.

[0025] In this embodiment, the clamping part 22 is U-shaped and has a perforated hole 26 that penetrates the front and rear surfaces of the clamping part 22. Specifically, the U-shaped clamping part 22 is fitted around the outside of the head tube 11, and the perforated hole 26 penetrates the front and rear surfaces of the clamping part 22. The perforated hole 26 can reduce the weight of the clamping part 22, saving materials, reducing production costs, and ensuring good structural strength.

[0026] In this embodiment, the tailpipe 12 is provided with an extension frame 14, which extends away from the tailpipe 12. The tailpipe 12 and the extension frame 14 are integrally formed, and the extension frame 14 is U-shaped. The fastening part 23 is connected to the extension frame 14 by a second fastener 25. Specifically, the extension frame 14 protrudes from the outer wall of the tailpipe 12, and the tailpipe 12 and the extension frame 14 are integrally formed, resulting in high structural strength. The U-shaped extension frame 14 surrounds the outside of the fastening part 23, so that the fastening part 23 can be connected to the extension frame 14 by the second fastener 25, thereby enhancing the connection firmness.

[0027] In this embodiment, the head tube 11 is rotatably equipped with a handlebar 15 and a front fork 16. The front fork 16 is equipped with a front tire 17, and the handlebar 15 is connected to the front tire 17 via the front fork 16. Specifically, the handlebar 15 is the bicycle's steering control component, and the rider controls the bicycle's steering through the handlebar 15. The handlebar 15 is connected to the front fork 16 via the stem tube (not shown), and the front fork 16 is connected to the front tire 17, thus forming a complete bicycle structure. The front fork 16 is located at the front of the frame 1 and rotates around the head tube 11. The upper end of the front fork 16 is connected to the handlebar 15, and the lower end of the front fork 16 is connected to the front tire 17. The main functions of the front fork 16 are shock absorption and steering control. By rotating the front fork 16, the direction of movement of the front tire 17 can be adjusted.

[0028] In this embodiment, a seat 18 is provided on the top of the tail tube 12, and a rear fork 19 is provided on the tail tube 12, with a rear tire 110 mounted on the rear fork 19. Specifically, the seat 18 is inserted and accommodated on the tail tube 12, and the tail tube 12 is connected to the rear tire 110 through the rear fork 19, resulting in a compact and reasonable structure.

[0029] In this embodiment, the vehicle body tube 13 is equipped with pedals 111, and a chain 112 is connected between the pedals 111 and the rear tire 110. Specifically, the rear tire 110 is driven forward by the pedals 111 and the chain 112, while the front tire 17 is used to change direction, resulting in high transmission efficiency.

[0030] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. A bicycle with a detachable crossbeam, characterized in that: The device includes a frame and a load-bearing structure detachably mounted on the frame. The frame includes a front tube, a rear tube spaced apart from the front tube, and a body tube disposed between the front tube and the rear tube. The front tube, body tube, and rear tube are integrally formed. The load-bearing structure includes a rod, a clamping part disposed at one end of the rod, and a fastening part disposed at the other end of the rod. The clamping part, rod, and fastening part are integrally formed. A first fastener is provided at the connection between the front tube and the clamping part, and a second fastener is provided at the connection between the rear tube and the fastening part.

2. A bicycle with a detachable crossbeam according to claim 1, characterized in that: The clamping part is U-shaped and has a hollow hole that penetrates the front and rear surfaces of the clamping part.

3. A bicycle with a detachable crossbeam according to claim 2, characterized in that: The tailpipe is provided with an extension frame, which extends away from the tailpipe. The tailpipe and the extension frame are integrally formed. The extension frame is U-shaped. The fastening part is connected to the extension frame through a second fastener.

4. A bicycle with a detachable crossbeam according to claim 1, characterized in that: The head tube is rotatably equipped with a handlebar and a front fork. The front fork is equipped with a front tire, and the handlebar is connected to the front tire via the front fork.

5. A bicycle with a detachable crossbeam according to claim 1, characterized in that: A seat is provided on the top of the tail tube, a rear fork is provided on the tail tube, and a rear tire is provided on the rear fork.

6. A bicycle with a detachable crossbeam according to claim 5, characterized in that: The vehicle body tube is equipped with pedals, and a chain connects the pedals to the rear tires.