CN211417509U - Shock-absorbing bicycle frame - Google Patents

Abstract

The utility model discloses a shock attenuation bicycle frame relates to bicycle frame field, and its technical scheme main points include top tube, well pipe, low tube, go up fork, lower fork and connect the head pipe of top tube and low tube, go up fork, well pipe and low tube and make by titanium alloy material, the one end of lower fork articulate in on the outer wall of well pipe, the one end of going up the fork articulates there is damper, be provided with the mount pad on the outer wall of low tube, damper deviates from the one end of going up the fork articulate in on the mount pad, the utility model discloses have stronger shock attenuation effect, can satisfy mountain bike's requirement.

Description

Shock-absorbing bicycle frame

Technical Field

The utility model relates to a bicycle frame, more specifically say that it relates to a shock attenuation bicycle frame.

Background

As a convenient and environment-friendly transportation tool and sports and leisure equipment, the bicycle is always popular with people due to the characteristics of high quality and low price. The strength of the bicycle frame is a key factor in protecting the rider's personal safety, and its resilience is a key factor in making the rider feel comfortable.

At present, chinese patent with publication number CN201124898Y discloses a bicycle frame, which comprises an upper tube, a middle tube, a lower tube, an upper fork, a lower fork, a head tube connecting the upper tube and the lower tube, a five-way tube connecting the middle tube, the lower tube and the lower fork, and a middle tube joint connecting the upper tube, the middle tube and the upper fork. One or more of the upper pipe, the middle pipe, the lower pipe, the upper fork, the lower fork, the head pipe, the five-way pipe and the middle pipe joint are made of magnesium alloy materials, and one or more of the other upper pipe, the middle pipe, the lower pipe, the upper fork, the lower fork, the head pipe, the five-way pipe and the middle pipe joint are made of carbon fiber materials.

Similar to the bicycle frame in the prior art, the bicycle frame enhances the shock absorption performance of the frame by limiting the material of the frame, the shock absorption effect is not obvious for the whole bicycle, and particularly for a mountain bike with high shock absorption requirements, the shock absorption effect of the bicycle frame is weak, and the requirement of the current market cannot be met.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a shock attenuation bicycle frame, its advantage is in having stronger shock attenuation effect, can satisfy the requirement of climbing bicycle.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a shock attenuation bicycle frame, includes top tube, well pipe, low tube, goes up fork, lower fork and connection the head pipe of top tube and low tube, go up fork, well pipe and low tube and make by the titanium alloy material, the one end of lower fork articulate in on the outer wall of well pipe, the one end of going up the fork articulates there is damper, be provided with the mount pad on the outer wall of low tube, damper deviates from the one end of going up the fork articulate in on the mount pad.

Through adopting above-mentioned technical scheme, when meetting jolting at the in-process of riding, the fork rotates around its junction with well pipe down, drives the fork and rotates, and the one end of going up the fork promotes damper to remove to the mount pad direction, can transmit damper with the impact that the rear wheel received on to absorb the impact through damper, thereby improve the experience of riding when the hand rides.

To sum up, on original basis through material reinforcing shock attenuation effect, articulate through setting up damper in last fork and low tube between, can shift the impact that the rear wheel received to damper in to through damper absorption impact, consequently can make the frame have stronger shock attenuation effect, satisfy the requirement of climbing bicycle.

The utility model discloses further set up to: shock-absorbing component includes shock attenuation back courage and articulates the connecting rod that deviates from mount pad one end in shock attenuation back courage, the one end of connecting rod with the one end of fork is kept away from down to the last fork is articulated mutually, the other end with the outer wall of well pipe is articulated mutually.

Through adopting above-mentioned technical scheme, when running into jolting, go up the fork and promote the connecting rod around its and well union coupling department rotation to promote shock attenuation back courage body of moving away to avoid possible earthquakes and get into the outer cup of air spring, thereby alleviate the impact that the frame received, realize the shock attenuation effect.

The utility model discloses further set up to: the connecting rod is L shape, the shock attenuation back courage install in the corner of connecting rod.

Through adopting above-mentioned technical scheme, for the straight-bar, design the connecting rod into L shape, can conveniently promote the body of moving away to avoid possible earthquakes of shock attenuation back courage when the connecting rod rotates to have stronger structural strength, prolong the life of connecting rod.

The utility model discloses further set up to: the connecting rod is provided with a yielding groove extending along the length direction of the connecting rod.

Through adopting above-mentioned technical scheme, the quality of connecting rod can be alleviateed in the setting in groove of stepping down to improve the elasticity of connecting rod, make things convenient for the connecting rod to rotate.

The utility model discloses further set up to: an adjusting groove is formed in the hinged position of the lower fork and the middle pipe on the outer wall of the lower fork, an adjusting hole perpendicular to the length direction of the adjusting groove is formed in the outer wall of the lower fork, and an adjusting screw rod penetrating through the adjusting groove is connected to the inner thread of the adjusting hole.

Through adopting above-mentioned technical scheme, when installation bicycle frame, will descend the fork to install back on well tub outer wall, rotate adjusting screw, make the notch of adjustment tank reduce to can adjust the elasticity degree of fork and well articulated department down, can make the rider adjust the shock attenuation performance under the road conditions of difference, enlarge the application scope of frame.

The utility model discloses further set up to: the adjusting hole is a counter bore, an adjusting nut is arranged at the upper end of the adjusting screw rod, and the adjusting nut is located in the adjusting hole.

Through adopting above-mentioned technical scheme, counter bore and adjusting nut's setting can avoid receiving the earth and stone striking on the road surface and influence the damping performance at the in-process adjusting nut that rides.

The utility model discloses further set up to: and a limiting block for limiting the rotation angle of the lower fork is arranged at the joint of the lower fork and the middle pipe.

Through adopting above-mentioned technical scheme, the rotation range of fork can be down restricted in the setting of stopper, avoids making the fork rotate excessively to lead to rear wheel and well pipe to bump because of the road is too jolt.

The utility model discloses further set up to: and a cushion pad is arranged on the outer wall of one side of the limiting block facing the lower fork.

Through adopting above-mentioned technical scheme, the setting of blotter can reduce the impact of fork and stopper down, makes the rider have better experience of riding.

To sum up, the utility model has the advantages of it is following:

1. when bumping during riding, the lower fork rotates around the joint of the lower fork and the middle pipe to drive the upper fork to rotate, one end of the upper fork pushes the damping component to move towards the direction of the mounting seat, so that the impact on the rear wheel can be transmitted to the damping component, and the damping component absorbs the impact, thereby improving the experience of a rider during riding;

2. the damping rear liner and the connecting rod are arranged, so that the bicycle has a good damping effect in the riding process;

3. through setting up adjustment tank and adjusting screw, can adjust the damping performance under the road conditions of difference, enlarge the application scope of frame.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic sectional view of the present embodiment;

fig. 3 is a schematic partial sectional view of the protruding adjustment groove and the limiting block in this embodiment.

Description of reference numerals: 1. feeding a pipe; 2. a middle tube; 3. a lower pipe; 4. an upper fork; 5. a lower fork; 6. a first pipe; 7. a shock absorbing assembly; 71. damping the rear bladder; 72. a connecting rod; 8. a mounting seat; 9. a yielding groove; 10. an adjustment groove; 11. an adjustment hole; 12. adjusting the screw rod; 13. adjusting the screw cap; 14. a limiting block; 15. a cushion pad.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a shock attenuation bicycle frame, as shown in fig. 1, including top tube 1, well pipe 2, low tube 3, go up fork 4, lower fork 5 and connect the head pipe 6 of top tube 1 and low tube 3, wherein go up fork 4, well pipe 2 and low tube 3 are made by the titanium alloy material, go up fork 4 and the one end fixed connection who keeps away from well pipe of fork 5 down, the one end that fork 4 was kept away from to fork 5 down articulates on well pipe 2's outer wall, the one end that fork 5 was kept away from down to fork 4 articulates there is damper 7, be fixed with mount pad 8 on the outer wall of low tube 3, damper 7 deviates from the one end of fork 4 and articulates on mount pad 8. When running into jolting, lower fork 5 receives to strike and rotates around its and well pipe 2 junction, goes up fork 4 and will strike and transmit to damper assembly 7 to by damper assembly 6 absorption impact, thereby make the frame have stronger shock attenuation effect.

As shown in fig. 2, the damping assembly 7 includes a damping rear bladder 71 and a connecting rod 72 hinged to one end of the damping rear bladder 71 away from the mounting seat 8, one end of the connecting rod 72 is hinged to one end of the upper fork 4 away from the lower fork 5, and the other end is hinged to the outer wall of the middle tube 2. When bumping during riding, the upper fork 4 pushes the connecting rod 72 to rotate around the joint of the connecting rod and the middle tube 2, and pushes the shock absorbing body of the shock absorbing rear container 71 to enter the outer cup of the air spring, so that the impact on the frame is reduced, and the shock absorbing effect is realized.

Further, the connecting rod 72 is L-shaped, and the shock-absorbing rear bladder 71 is mounted at a corner of the connecting rod 72. For the straight rod, the connecting rod 72 is designed to be L-shaped, so that the shock absorption body of the shock absorption rear liner 71 can be conveniently pushed when the connecting rod 72 rotates, and the connecting rod has stronger structural strength and prolongs the service life of the connecting rod 72.

Further, in order to reduce the mass of the connecting rod 72 and improve the elasticity of the connecting rod 72, the connecting rod 72 is convenient to rotate, in this embodiment, the yielding groove 9 extending along the length direction of the connecting rod 72 is formed in the connecting rod 72.

As shown in fig. 3, an adjusting groove 10 is formed in the outer wall of the lower fork 5 at the hinge joint of the lower fork 5 and the middle pipe 2, an adjusting hole 11 perpendicular to the length direction of the adjusting groove 10 is formed in the outer wall of the lower fork 5, and an adjusting screw 12 penetrating through the adjusting groove 10 is connected to the inner thread of the adjusting hole 11. When the installation bicycle frame, will descend fork 5 to install back on well 2 outer walls of pipe, rotate adjusting screw 12, make the notch of adjustment tank 10 reduce to can adjust the elasticity degree of fork 5 and well 2 articulated departments down, can make the rider adjust the shock attenuation performance under the road conditions of difference, enlarge the application scope of frame.

Further, in order to avoid that the adjusting screw 12 is impacted by soil and stones on the road surface to affect the damping performance during the riding process, the adjusting hole 11 is a countersunk hole in the embodiment, the upper end of the adjusting screw 12 is fixed with an adjusting nut 13, and the adjusting nut 13 is located in the adjusting hole 11.

As shown in fig. 3, in order to limit the rotation range of the bottom fork 5 and avoid the collision between the rear wheel and the middle tube 2 caused by the excessive rotation of the bottom fork 5 due to the excessive bumpiness of the road, a limit block 14 for limiting the rotation angle of the bottom fork 5 is connected to the joint between the bottom fork 5 and the middle tube 2 in this embodiment.

Further, in order to reduce the impact of lower fork 5 and stopper 14, make the rider have better experience of riding, be fixed with blotter 15 on the one side outer wall of stopper 14 face lower fork 5 in this embodiment.

The utility model discloses a working process and beneficial effect as follows: when running into jolting in the in-process of riding, lower fork 5 receives the road surface to strike and drive fork 4 and rotate, goes up fork 4 and promotes connecting rod 72 and rotate, can transmit the impact that well pipe 3 and lower fork 5 received to shock attenuation back courage 71 in to absorb by shock attenuation back courage 71, can make the frame have stronger shock attenuation effect.

To sum up, on original basis through material reinforcing shock attenuation effect, articulate between fork 4 and low tube 3 through setting up damper 7, can make the frame have stronger shock attenuation effect, satisfy the requirement of climbing bicycle.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims (8)

1. The utility model provides a shock attenuation bicycle frame, includes top tube (1), well pipe (2), low tube (3), goes up fork (4), lower fork (5) and connects top tube (6) of top tube (1) and low tube (3), its characterized in that: go up fork (4), well pipe (2) and low tube (3) and make by the titanium alloy material, the one end of fork (5) articulates down on the outer wall of well pipe (2), the one end of going up fork (4) articulates there is damper assembly (7), be provided with on the outer wall of low tube (3) mount pad (8), damper assembly (7) deviate from the one end of going up fork (4) articulate in on mount pad (8).

2. A shock absorbing bicycle frame as defined in claim 1, wherein: shock-absorbing component (7) include shock attenuation back courage (71) and articulate connecting rod (72) that deviate from mount pad (8) one end in shock attenuation back courage (71), the one end of connecting rod (72) with go up fork (4) and keep away from the one end of lower fork (5) and articulate mutually, the other end with the outer wall of well pipe (2) articulates mutually.

3. A shock absorbing bicycle frame as defined in claim 2, wherein: the connecting rod (72) is L-shaped, and the damping rear liner (71) is installed at the corner of the connecting rod (72).

4. A shock absorbing bicycle frame as defined in claim 2, wherein: the connecting rod (72) is provided with a yielding groove (9) extending along the length direction of the connecting rod.

5. A shock absorbing bicycle frame as defined in claim 1, wherein: the outer wall of the lower fork (5) is provided with an adjusting groove (10) at the hinged position of the lower fork (5) and the middle pipe (2), the outer wall of the lower fork (5) is provided with an adjusting hole (11) perpendicular to the length direction of the adjusting groove (10), and the adjusting hole (11) is internally connected with an adjusting screw (12) penetrating through the adjusting groove (10).

6. A shock absorbing bicycle frame as claimed in claim 5, wherein: the adjusting hole (11) is a counter bore, an adjusting nut (13) is arranged at the upper end of the adjusting screw rod (12), and the adjusting nut (13) is located in the adjusting hole (11).

7. A shock absorbing bicycle frame as defined in claim 1, wherein: and a limiting block (14) used for limiting the rotation angle of the lower fork (5) is arranged at the joint of the lower fork (5) and the middle pipe (2).

8. A shock absorbing bicycle frame as defined in claim 7, wherein: and a buffer pad (15) is arranged on the outer wall of one side of the limiting block (14) facing the lower fork (5).

Images