CN213705672U

CN213705672U - Novel bicycle frame

Info

Publication number: CN213705672U
Application number: CN202020891067.XU
Authority: CN
Inventors: 刘骏韬
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-07-16
Anticipated expiration: 2030-05-25

Abstract

The utility model discloses a novel bicycle frame, which relates to the technical field of bicycles and comprises a frame main body, wherein the front end of the frame main body is connected with a front fork, the lower part of the front fork is provided with a second connecting hole for connecting a front wheel shaft, the upper part of the front fork is connected with a head pipe, the head pipe is used for installing a handlebar, and the head pipe is rotatably connected with the front end of the frame main body; the lower part of the rear end of the frame main body is connected with a rear fork, and the lower part of the rear fork is provided with a third connecting hole for connecting a rear wheel shaft; the upper part of the rear end of the frame main body is connected with a saddle mounting rack for mounting a saddle; the bottom of frame main part is provided with first connecting hole for connect axis and running-board crank. The utility model improves the damping effect, and can generate larger deformation compared with the traditional bicycle damping system, and the damping effect is better; the distance between the saddle and the handlebar can be adjusted, the inherent riding posture of daily riding is changed, the comfort level of a rider is improved, and the damage to a fixed joint in a fixed posture is improved.

Description

Novel bicycle frame

Technical Field

The utility model relates to a bicycle technical field especially relates to a novel bicycle frame.

Background

The existing bicycle shock absorber mainly comprises a cylindrical spring shock absorber and a hydraulic shock absorber, which are respectively and widely applied to a frame part and a front fork frame part in a bicycle body. However, the two shock absorber devices have more complex structures and larger mass, and are inconvenient in the later regulation, cleaning and maintenance links, and the shock absorption effect can be rapidly reduced under the condition of lacking maintenance.

In addition, in the current market, the bicycle saddle of various bicycles can not be adjusted left and right; with the increasing of the people who ride the bicycle, the fixed riding posture is long, and the pressure and the damage can be brought to the joint.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel bicycle frame to solve the problem that above-mentioned prior art exists.

In order to achieve the above object, the utility model provides a following scheme: the utility model provides a novel bicycle frame, which comprises a frame main body, wherein the front end of the frame main body is connected with a front fork, the lower part of the front fork is provided with a second connecting hole for connecting a front wheel shaft, the upper part of the front fork is connected with a head pipe, the head pipe is used for installing a handlebar, and the head pipe is rotatably connected with the front end of the frame main body; the lower part of the rear end of the frame main body is connected with a rear fork, and the lower part of the rear fork is provided with a third connecting hole for connecting a rear wheel shaft; the upper part of the rear end of the frame main body is connected with a saddle supporting frame for mounting a saddle; the bottom of the frame main body is provided with a first connecting hole for connecting a middle shaft and a pedal crank.

Preferably, the frame main body comprises an upper beam, a lower beam and an upright column, the front part of the upper beam is connected with the front part of the lower beam, the rear part of the upper beam is connected with the top of the upright column, the bottom of the upright column penetrates through the rear part of the lower beam, and the bottom of the upright column is provided with the first connecting hole.

Preferably, the bottom of stand is U type groove, the rear portion of underbeam is located U type inslot, the open end both sides in U type groove all are provided with first connecting hole, first connecting hole is located the below of underbeam.

Preferably, the front fork is of a U-shaped structure, and the top of the front fork is fixedly connected with the head pipe through a fixing part; and second connecting holes are formed in two sides of the opening end of the front fork.

Preferably, the rear fork is of a U-shaped structure, and the front part of the rear fork is fixedly connected with the lower beam and the upright post; and third connecting holes are formed in two sides of the opening end of the rear fork.

Preferably, both sides of the front fork and the rear fork are wavy.

Preferably, the saddle support frame comprises a cross beam, a slide is arranged on the cross beam, a slide block is arranged on the slide in a sliding manner, and a seat tube is arranged on the slide block and used for installing a saddle.

Preferably, a plurality of mounting holes are arranged side by side above the slide way, mounting holes are correspondingly arranged on the slide block, and fixing pins are arranged in the mounting holes on the slide block.

Preferably, the surface of the frame main body is plated with a ceramic film layer.

Preferably, the ceramic film layer is prepared by adopting a micro-arc oxidation technology.

The utility model discloses for prior art gain following technological effect:

1. the shock absorption effect is improved, and compared with the traditional bicycle shock absorption system, the bicycle shock absorption system can generate larger deformation and has better shock absorption effect;

2. the distance between the saddle and the handlebar can be adjusted, the inherent riding posture of daily riding is changed, the comfort level of a rider is improved, and the damage to a fixed joint in a fixed posture is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the novel bicycle frame of the present invention;

fig. 2 is a schematic structural view of the saddle support frame of the present invention;

the bicycle frame comprises a frame body 1, an upper beam 11, a vertical column 12, a lower beam 13, a first connecting hole 14, a front fork 2, a fixing part 3, a head pipe 4, a saddle support frame 5, a cross beam 51, a mounting hole 52, a seat pipe 53, a sliding block 54, a sliding way 55, a fixing pin 56, a rear fork 6, a second connecting hole 7 and a third connecting hole 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Example one

As shown in fig. 1-2, the present embodiment provides a novel bicycle frame, which includes a frame body 1, a front fork 2 is connected to a front end of the frame body 1, a second connection hole 7 is formed in a lower portion of the front fork 2 for connecting a front wheel axle, a head pipe 4 is connected to an upper portion of the front fork 2, the head pipe 4 is used for mounting a handlebar, the head pipe 4 is rotatably connected to the front end of the frame body 1, specifically, a through hole is formed in a front portion of the frame body 1, and the head pipe 4 passes through the through hole and is rotatably connected thereto through a bearing; the lower part of the rear end of the frame main body 1 is connected with a rear fork 6, and the lower part of the rear fork 6 is provided with a third connecting hole 8 for connecting a rear wheel shaft; a saddle support frame 5 is connected to the upper part of the rear end of the frame body 1 and is used for mounting a saddle; the bottom end of the frame main body 1 is provided with a first connecting hole 14 for connecting a middle shaft and a pedal crank.

Preferably, the frame body 1 comprises an upper beam 11, a lower beam 13 and a column 12, wherein the front part of the upper beam 11 is fixedly connected with the front part of the lower beam 13, the rear part of the upper beam 11 is fixedly connected with the top part of the column 12, the bottom part of the column 12 penetrates through the rear part of the lower beam 13, and the bottom part of the column 12 is provided with the first connecting hole 14; the fixed connection mode can adopt welding or other modes.

Preferably, the bottom of the upright post 12 is a U-shaped groove, the rear portion of the lower beam 13 is located in the U-shaped groove, the first connection holes 14 are formed in both sides of the open end of the U-shaped groove, and the first connection holes 14 are located below the lower beam 13; the first connecting holes 14 arranged on the two sides of the U-shaped groove are respectively connected with the two ends of the middle shaft. When riding the bicycle, the U-shaped groove can penetrate through the lower beam 13 to move up and down (the rear part of the lower beam 13 moves in the space of the U-shaped groove), so that the upper beam 11 can move up and down to absorb shock; the upper beam 11 is made of alloy steel, aluminum alloy, carbon fiber or other elastic materials with high strength.

Preferably, the front fork 2 is of a U-shaped structure, and the top of the front fork 2 is fixedly connected with the head pipe 4 through a fixing part 3; two sides of the opening end of the front fork 2 are provided with second connecting holes 7; the rear fork 6 is of a U-shaped structure, and the front part of the rear fork 6 is fixedly connected with the lower beam 13 and the upright post 12; and third connecting holes 8 are formed in two sides of the opening end of the rear fork 6.

Specifically, U type structure includes two sides, and the bottom of two sides is connected, and the top is the open end, and in this embodiment, two sides are the wave structure, can produce great deformation, improve the shock attenuation effect.

Preferably, the seat support frame 5 includes a cross beam 51, a slide way 55 is disposed on the cross beam 51, a slide block 54 is slidably disposed on the slide way 55, and a seat tube 53 is disposed on the slide block 54 for mounting a seat. Preferably, a plurality of mounting holes 52 are arranged above the slide rail 55, the mounting holes 52 are correspondingly arranged on the slide block 54, and the fixing pins 56 sequentially penetrate through the mounting holes 52 on the slide block 54 and the mounting holes 52 on the cross beam 51, so that the saddle can be mounted at different positions of the cross beam 51, the front and back adjustment can be realized, and the riding posture can be adjusted.

Example two

The embodiment is an improvement on the basis of the first embodiment, and the improvement is as follows: the surface of the frame main body 1 is plated with a ceramic film layer; specifically, the ceramic film layer is prepared by adopting a micro-arc oxidation technology.

Micro-arc oxidation, also called micro-plasma oxidation, is a ceramic film layer mainly based on matrix metal oxide, which grows on the surfaces of aluminum, magnesium, titanium and alloys thereof under the action of instantaneous high temperature and high pressure generated by arc discharge through the combination of electrolyte and corresponding electrical parameters; the method has the characteristics of high material surface hardness, good wear resistance, reliable process, simple equipment, convenient operation and the like.

Furthermore, in the embodiment, the surfaces of the front fork 2 and the rear fork 6 can also be coated with ceramic films by micro-arc oxidation,

in the present embodiment, the frame body 1, the front fork 2, and the rear fork 6 are preferably made of a titanium alloy or an aluminum alloy material.

The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. A novel bicycle frame, its characterized in that: the front end of the frame main body is connected with a front fork, a second connecting hole is formed in the lower portion of the front fork and used for connecting a front wheel shaft, a head pipe is connected to the upper portion of the front fork and used for mounting a handlebar, and the head pipe is rotatably connected with the front end of the frame main body; the lower part of the rear end of the frame main body is connected with a rear fork, and the lower part of the rear fork is provided with a third connecting hole for connecting a rear wheel shaft; the upper part of the rear end of the frame main body is connected with a saddle supporting frame for mounting a saddle; the bottom of the frame main body is provided with a first connecting hole for connecting a middle shaft and a pedal crank.

2. The novel bicycle frame as claimed in claim 1, wherein: the frame main part includes upper beam, underbeam and stand, the front portion of upper beam and the front portion of underbeam are connected, the rear portion of upper beam with the top of stand is connected, the bottom of stand passes the rear portion of underbeam, the bottom of stand is provided with first connecting hole.

3. The novel bicycle frame as claimed in claim 2, wherein: the bottom of stand is U type groove, the rear portion of underbeam is located U type groove, the open end both sides in U type groove all are provided with first connecting hole, first connecting hole is located the below of underbeam.

4. The novel bicycle frame as claimed in claim 3, wherein: the front fork is of a U-shaped structure, and the top of the front fork is fixedly connected with the head pipe through a fixing part; and second connecting holes are formed in two sides of the opening end of the front fork.

5. The novel bicycle frame as claimed in claim 4, wherein: the rear fork is of a U-shaped structure, and the front part of the rear fork is fixedly connected with the lower beam and the upright post; and third connecting holes are formed in two sides of the opening end of the rear fork.

6. The novel bicycle frame as claimed in claim 5, wherein: both sides of the front fork and the rear fork are wavy.

7. The novel bicycle frame as claimed in claim 1, wherein: the saddle support frame comprises a cross beam, a slide is arranged on the cross beam, a slide block is arranged on the slide in a sliding mode, and a seat tube is arranged on the slide block and used for installing a saddle.

8. The novel bicycle frame as claimed in claim 7, wherein: the top of slide is provided with a plurality of mounting holes side by side, the correspondence is provided with the mounting hole on the slider, install the fixed pin in the mounting hole on the slider.

9. The novel bicycle frame as claimed in claim 1, wherein: the surface of the frame main body is plated with a ceramic film layer.

10. The novel bicycle frame as claimed in claim 9, wherein: the ceramic film layer is prepared by adopting a micro-arc oxidation technology.