CN207045566U - High-strength stainless aluminium alloy bicycle car owner's frame - Google Patents

Abstract

The utility model relates to a high-strength stainless aluminum alloy bicycle main frame, which includes a rear wheel frame fork, a seat support shaft is arranged at the top end of the rear wheel frame fork, and the bottom of the seat support shaft is movably connected with the rear wheel frame fork, the seat The support shaft is provided with a first damping spring, the top of the seat support shaft is provided with a first height adjustment buckle, the top of the rear wheel frame fork is provided with a limit plate, and the upper fork of the rear wheel frame fork is provided with a second Two damping springs, one side of the rear wheel frame fork is provided with an intermediate support frame, a folding buckle is provided between the intermediate support frame and the rear wheel frame fork, and telescopic springs are provided on the upper and lower frames of the intermediate support frame. The adjustment buckle, the main frame of the bicycle is made of high-strength stainless aluminum alloy material, with strong structural stability and durability. Multiple shock-absorbing springs are added to enhance the shock-absorbing effect of the bicycle, so that riders will not feel bumps. Riders can adjust the seat and front-to-back distance of the bicycle according to their height and arm conditions, so that the rider can be in the most comfortable posture.

Description

High-strength stainless aluminum alloy bicycle main frame

technical field

The utility model relates to a high-strength stainless aluminum alloy bicycle main frame, which belongs to the technical field of bicycles.

Background technique

Bicycles are generally used for transportation and sports, including handlebars, faucets, seats, front and rear wheels and transmission systems. With the development of bicycles, many mountain bikes and bicycles are now foldable, which greatly reduces the space occupied by bicycles. , in the process of cycling and traveling, a foldable mountain bike is particularly important. The existing folding bikes have poor shock absorption and fixed bike structures. The structure is fixed, requiring personnel to adapt to the bicycle, and the comfort is poor. The personnel need to adjust the sitting posture after riding for a long time. Traditional bicycles cannot freely adjust the sitting posture, which greatly affects people's interest in cycling.

Contents of the invention

The purpose of the utility model is to provide a high-strength stainless aluminum alloy bicycle main frame in order to solve the above problems.

The utility model achieves the above object through the following technical solutions: a high-strength stainless aluminum alloy bicycle main frame, including a rear wheel frame fork, a seat support shaft is arranged at one end of the rear wheel frame fork top, and the seat The bottom of the support shaft is movably connected to the rear wheel frame fork, the seat support shaft is provided with a first damping spring, the top of the seat support shaft is provided with a first height adjustment buckle, and the top of the rear wheel frame fork is provided with a limit plate, the upper fork of the rear wheel frame fork is provided with a second damping spring, one side of the rear wheel frame fork is provided with an intermediate support frame, and a folding buckle is provided between the intermediate support frame and the rear wheel frame fork. The upper and lower frames of the intermediate support frame are all provided with telescopic adjustment buckles, one end of the intermediate support frame is provided with a front wheel frame fork, and a third damping spring is arranged on the front wheel frame fork, and the front wheel frame There is a second height adjustment buckle at the top of the fork.

Preferably, the rear wheel frame fork is provided with a reflector support frame.

Preferably, the front wheel frame fork is provided with a headlight hanging plate.

Preferably, one end of the folding buckle is fixedly connected to the rear wheel frame fork.

Preferably, the other end of the folding buckle is movably connected to the middle support frame.

Preferably, a limit rod is provided on the seat support shaft.

The beneficial effects of the utility model are: the main frame of the bicycle is made of high-strength stainless aluminum alloy material, has strong structural stability, is strong and durable, and a plurality of shock-absorbing springs are added to enhance the shock-absorbing effect of the bicycle, so that riders will not The rider will feel the bumps, and the rider can adjust the seat and the front and rear distance of the bike according to his height and arm conditions, so that the rider is in the most comfortable position. The bike can be folded and stored for easy storage. The structure is simple and practical Strong.

Description of drawings

The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the description, and are used to explain the utility model together with the embodiments of the utility model, and do not constitute a limitation to the utility model.

Fig. 1 is the structural diagram of the main frame of the utility model high-strength stainless aluminum alloy bicycle.

Fig. 2 is a top view structural diagram of the rear wheel frame fork of the main frame of the high-strength stainless aluminum alloy bicycle of the utility model.

Symbols in the figure: 1, rear wheel frame fork; 2, seat support shaft; 3, first damping spring; 4, first height adjustment buckle; 5, limit plate; 6, second damping spring; 7, Middle support frame; 8, folding buckle; 9, telescopic adjustment buckle; 10, front wheel frame fork; 11, the third damping spring; 12, the second height adjustment buckle.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. For example, based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

Please refer to Figures 1 and 2, a high-strength stainless aluminum alloy bicycle main frame, including a rear wheel frame fork 1, the top end of the rear wheel frame fork 1 is provided with a seat support shaft 2, and the seat support shaft 2. The bottom is movably connected to the rear wheel frame fork 1, and the seat support shaft 2 is a seat mounting frame for personnel to support personnel. The seat support shaft 2 is provided with a first damping spring 3, which buffers personnel The vibration of moving up and down, the top of the seat support shaft 2 is provided with a first height adjustment buckle 4, the first height adjustment buckle 4 adjusts the height of the seat support shaft 2, thereby adjusting the height of the seat, the rear wheel frame fork 1 The top is provided with a limit plate 5, which blocks the seat support shaft 2, and adjusts the position of the seat support shaft 2 in the limit plate 5, thereby adjusting the sitting posture of the personnel. The second shock absorbing spring 6 is provided, and the second shock absorbing spring 6 reduces the impact of the vibration of the rear wheel. One side of the rear wheel frame fork 1 is provided with an intermediate support frame 7, and the intermediate support frame 7 is an intermediate connecting frame, which plays the role of The function of connecting the front and rear wheel frames to form a whole. There is a folding buckle 8 between the middle support frame 7 and the rear wheel frame fork 1, and the buckle on the folding buckle 8 is released to fold and store the middle support frame 7 and the front parts. , the upper and lower frames of the intermediate support frame 7 are provided with a telescopic adjustment buckle 9, and the telescopic adjustment buckle 9 adjusts the length of the intermediate support frame 7, thereby adjusting the length of the entire bicycle to a suitable length for personnel. The intermediate support frame 7. One end is provided with a front wheel frame fork 10, and the front wheel frame fork 10 is a front wheel support frame. The front wheel frame fork 10 is provided with a third shock absorbing spring 11, and the third shock absorbing spring 11 reduces the impact of front wheel vibration. , the top of the front wheel frame fork 10 is provided with a second height adjustment buckle 12, and the second height adjustment buckle 12 adjusts the height of the armrest.

The rear wheel frame fork 1 is provided with a reflector support frame, which is convenient for the installation of the light-emitting board. The front wheel frame fork 10 is provided with a headlight hanging plate, which is convenient for the headlight installation. One end of the folding buckle 8 The rear wheel frame fork 1 is fixedly connected, the other end of the folding buckle 8 is movably connected to the middle support frame 7, and the folding buckle 8 is opened to drive the middle support frame 7 to move and fold. The position of the limit rod is stuck on the limit plate 5, thereby limiting the position of the intermediate support frame 7.

When the utility model is in use, when the main frame of the bicycle is in use, the first damping spring 3 reduces the impact of the vibration of the intermediate support frame 7 on the rider, and the second damping spring 6 reduces the impact of the vibration of the rear wheel on the rider , the third damping spring 11 reduces the impact of the front wheel vibration on the cyclist, adjusts the telescopic adjustment button 9 according to the height and arm length of the cyclist, thereby changing the length of the bicycle to meet the cyclist, and the cyclist needs to change When sitting, adjust the position of the limit lever, and hang it on different positions of the limit plate 5, so as to meet the sitting posture requirements of the rider. When not using the bicycle, open the folding buckle 8, the middle support frame 7 together with the front wheel frame fork 10 and the rear The wheel frame fork can be folded in half to reduce storage space.

For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model, therefore , no matter from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalent elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (6)

1. A main frame of a high-strength stainless aluminum alloy bicycle, including a rear wheel frame fork (1), characterized in that, the top end of the rear wheel frame fork (1) is provided with a seat support shaft (2), and the The bottom of the seat support shaft (2) is movably connected to the rear wheel frame fork (1), the seat support shaft (2) is provided with a first damping spring (3), and the top of the seat support shaft (2) A first height adjustment buckle (4) is provided, a limit plate (5) is provided on the top of the rear wheel frame fork (1), and a second damping spring (6) is provided on the upper frame of the rear wheel frame fork (1). ), one side of the rear wheel frame fork (1) is provided with an intermediate support frame (7), and a folding buckle (8) is provided between the intermediate support frame (7) and the rear wheel frame fork (1). The upper and lower frames of the intermediate support frame (7) are provided with telescopic adjustment buckles (9), and one end of the intermediate support frame (7) is provided with a front wheel frame fork (10), and the front wheel frame fork (10) is A third damping spring (11) is provided, and a second height adjustment buckle (12) is provided on the top of the front wheel frame fork (10). 2. The main frame of a high-strength stainless aluminum alloy bicycle according to claim 1, characterized in that: the rear wheel frame fork (1) is provided with a reflector support frame. 3. The main frame of a high-strength stainless aluminum alloy bicycle according to claim 1, characterized in that: the front wheel frame fork (10) is provided with a headlight hanging plate. 4. The main frame of a high-strength stainless aluminum alloy bicycle according to claim 1, characterized in that: one end of the folding buckle (8) is fixedly connected to the rear wheel frame fork (1). 5. A high-strength stainless aluminum alloy bicycle main frame according to claim 4, characterized in that: the other end of the folding buckle (8) is movably connected to the middle support frame (7). 6. The main frame of a high-strength stainless aluminum alloy bicycle according to claim 1, characterized in that: the seat support shaft (2) is provided with a limit rod.