CN213109656U

CN213109656U - Bicycle front fork with shock-absorbing function

Info

Publication number: CN213109656U
Application number: CN202021767820.0U
Authority: CN
Inventors: 彭福民
Original assignee: Tianjin Ounisite Car Material Co ltd
Current assignee: Tianjin Ounisite Car Material Co ltd
Priority date: 2020-08-22
Filing date: 2020-08-22
Publication date: 2021-05-04
Anticipated expiration: 2030-08-22

Abstract

The embodiment of the utility model discloses a bicycle front fork with shock absorption function, in particular to the technical field of bicycle front forks, which comprises a first vertical rod, a support rod and two fixed blocks, wherein the bottom of each fixed block is provided with a shock absorption mechanism; damper includes two second montants, second montant outer end is equipped with the third montant, the inside movable plate that is equipped with of third montant, a plurality of through-holes have been seted up on the movable plate, the movable plate bottom is equipped with the spring, spring one end and movable plate bottom fixed connection, the spring other end and the inside bottom fixed connection of third montant, the movable plate bottom is equipped with lubricating oil, the spring is established inside lubricating oil, lubricating oil is established inside the third montant. The utility model discloses an utilize lubricating oil to exert the resistance to the movable plate to slow down the movable plate to the compression of spring and the elasticity that the spring was applyed to the movable plate, thereby can slow down the sense of jolting of the in-process of traveling, improve the shock attenuation nature.

Description

Bicycle front fork with shock-absorbing function

Technical Field

The embodiment of the utility model provides a relate to bicycle front fork technical field, concretely relates to bicycle front fork with shock-absorbing function.

Background

The front fork is the soul part of deciding the bicycle comfort level, and the front fork part is in the place ahead position in bicycle structure, and its upper end links to each other with handlebar part, and frame part and head-tube cooperation, lower extreme and front axle subassembly cooperation constitute the guide system of bicycle.

The shock absorption device comprises a spring, a spring fixing device and a damping device, wherein the spring is arranged between the spring and the spring, and the spring is arranged between the spring and the spring.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a bicycle front fork with shock-absorbing function aims at solving among the prior art because the great elasticity that leads to of spring compression deflection is great and influence the problem of the shock attenuation effect of bicycle for giving people and applying.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

a bicycle front fork with a shock absorption function comprises a first vertical rod, a supporting rod and two fixing blocks, wherein the supporting rod is arranged at the bottom of the first vertical rod, one end of the first vertical rod is connected with the supporting rod through threads, the two fixing blocks are respectively arranged at two ends of the supporting rod, the fixing blocks are fixedly connected with the supporting rod, and a shock absorption mechanism is arranged at the bottom of each fixing block;

damping device includes two second montants, the second montant is established in the fixed block bottom, second montant one end is pegged graft inside the fixed block, the second montant passes through threaded connection with the fixed block, second montant outer end is equipped with the third montant, second montant one end extends into inside the third montant, the inside movable plate that is equipped with of third montant, movable plate and second montant bottom fixed connection, a plurality of through-holes have been seted up on the movable plate, the movable plate bottom is equipped with the spring, spring one end and movable plate bottom fixed connection, the spring other end and the inside bottom fixed connection of third montant, the movable plate bottom is equipped with lubricating oil, the spring is established inside lubricating oil, lubricating oil is established inside the third montant.

Further, the outer end of the moving plate is fixedly provided with a rubber ring, and the rubber ring is in contact with the inner wall of the third vertical rod.

Furthermore, a limiting plate is fixedly arranged at the outer end of the second vertical rod, and the limiting plate is in contact with the top end inside the third vertical rod.

Further, a sealing ring is arranged at the outer end of the second vertical rod and fixedly arranged inside the third vertical rod.

Further, a short pipe is fixedly arranged at the bottom of the third vertical rod, one end of the short pipe extends into the third vertical rod, a switch valve is fixedly arranged at the outer end of the short pipe, and the switch valve is arranged at the bottom of the third vertical rod.

Further, a fixing plate is fixedly arranged at the bottom of the third vertical rod.

Furthermore, a fork bridge is arranged on the front side of each third vertical rod, and two ends of the fork bridge are fixedly connected with the front sides of the two third vertical rods respectively.

Further, fixed block one side is equipped with the bolt, the bolt is established outside the fixed block and is extended into the fixed block inside, the bolt runs through the second montant, the bolt all passes through threaded connection with fixed block and second montant.

The embodiment of the utility model provides a have following advantage:

the utility model discloses an utilize the nozzle stub to the inside appropriate amount lubricating oil that pours into of third montant into, make lubricating oil can pass the through-hole at the in-process of the downward compression spring of movable plate and move the top of movable plate, and lubricating oil can apply the resistance to the movable plate at the in-process that removes, thereby can prevent that the decrement of spring is great, compared with the prior art, the effectual emergence probability that reduces the great condition of spring compression deflection, and lubricating oil can apply the resistance to the movable plate at the in-process that passes the through-hole, thereby can prevent that the spring from applying great elasticity to the movable plate, in order to prevent that it from increasing the jolt of bicycle travel in-process and feel, thereby can improve the shock attenuation effect of bicycle.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic view of an overall structure provided by an embodiment of the present invention;

fig. 2 is a cross-sectional view provided by an embodiment of the present invention;

fig. 3 is a schematic structural view of a third vertical rod, a second vertical rod and a moving plate according to an embodiment of the present invention;

fig. 4 is a side view of a fixing plate according to an embodiment of the present invention;

fig. 5 is a perspective view of a second vertical rod and a limiting plate according to an embodiment of the present invention;

fig. 6 is an enlarged view of a in fig. 2 according to an embodiment of the present invention.

In the figure: the device comprises a first vertical rod 1, a supporting rod 2, a fixing block 3, a second vertical rod 4, a third vertical rod 5, a movable plate 6, a through hole 7, a spring 8, lubricating oil 9, a rubber ring 10, a limiting plate 11, a sealing ring 12, a short pipe 13, a switching valve 14, a fixing plate 15, a fork bridge 16 and a bolt 17.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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 the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.

Referring to the attached drawings 1-6 in the specification, the bicycle front fork with the shock absorption function comprises a first vertical rod 1, a support rod 2 and two fixing blocks 3, wherein the support rod 2 is arranged at the bottom of the first vertical rod 1, one end of the first vertical rod 1 is connected with the support rod 2 through threads, the two fixing blocks 3 are respectively arranged at two ends of the support rod 2, the fixing blocks 3 are fixedly connected with the support rod 2, and the bottom of the fixing blocks 3 is provided with a shock absorption mechanism;

the damping mechanism comprises two second vertical rods 4, the second vertical rods 4 are arranged at the bottom of a fixed block 3, one ends of the second vertical rods 4 are inserted into the fixed block 3, the second vertical rods 4 are connected with the fixed block 3 through threads, third vertical rods 5 are arranged at the outer ends of the second vertical rods 4, one ends of the second vertical rods 4 extend into the third vertical rods 5, a movable plate 6 is arranged inside the third vertical rods 5, the movable plate 6 is fixedly connected with the bottom ends of the second vertical rods 4, a plurality of through holes 7 are formed in the movable plate 6, springs 8 are arranged at the bottom of the movable plate 6, one ends of the springs 8 are fixedly connected with the bottom of the movable plate 6, the other ends of the springs 8 are fixedly connected with the bottom ends inside the third vertical rods 5, lubricating oil 9 is arranged at the bottom of the movable plate 6, the springs 8 are arranged inside the lubricating oil 9, and the lubricating oil, by injecting the lubricating oil 9 into the third vertical rod 5 and applying resistance to the moving plate 6 by using the lubricating oil 9, the compression of the moving plate 6 on the spring 8 and the elastic force applied to the moving plate 6 by the spring 8 are reduced, so that the bumpiness in the driving process can be reduced, and the shock absorption performance is improved.

Further, the outer end of the moving plate 6 is fixedly provided with a rubber ring 10, the rubber ring 10 is in contact with the inner wall of the third vertical rod 5, and the lubricating oil 9 at the bottom of the moving plate 6 is prevented from moving to the top of the moving plate 6 through a gap between the moving plate 6 and the third vertical rod 3.

Further, the fixed limiting plate 11 that is equipped with in 4 outer ends of second montant, limiting plate 11 contacts with the inside top of third montant 5, is favorable to preventing that second montant 4 from taking out from the inside of third montant 5.

Further, the outer end of the second vertical rod 4 is provided with a sealing ring 12, the sealing ring 12 is fixedly arranged inside the third vertical rod 5, and the lubricating oil 9 is prevented from overflowing from the inside of the third vertical rod 5.

Further, a short pipe 13 is fixedly arranged at the bottom of the third vertical rod 5, one end of the short pipe 13 extends into the third vertical rod 5, a switch valve 14 is fixedly arranged at the outer end of the short pipe 13, and the switch valve 14 is arranged at the bottom of the third vertical rod 5, so that lubricating oil 9 can be conveniently injected into the third vertical rod 5.

Further, the fixed plate 15 that is equipped with in 5 bottoms of third montant is convenient for general the utility model discloses install the both sides at the bicycle wheel.

Furthermore, a fork bridge 16 is arranged on the front side of each third vertical rod 5, and two ends of each fork bridge 16 are fixedly connected with the front sides of the two third vertical rods 5, so that the mudguard can be conveniently installed.

Further, fixed block 3 one side is equipped with bolt 17, inside bolt 17 established outside fixed block 3 and extended into fixed block 3, bolt 17 runs through second montant 4, bolt 17 all passes through threaded connection with fixed block 3 and second montant 4, is convenient for be in the same place second montant 4 and fixed block 3 fixed mounting.

The implementation scenario is specifically as follows: when the utility model is used, the first vertical rod 1 can be inserted into the support rod 2 and the first vertical rod 1 is screwed, then one end of the second vertical rod 4 can be inserted into the fixed block 3 and the second vertical rod 4 is screwed, the bolt 17 is inserted into the fixed block 3 and the second vertical rod 4 and the bolt 17 is screwed, so that the second vertical rod 4 and the fixed block 3 can be fixedly connected together, thereby the utility model can be assembled, when the utility model is not used, the utility model can be disassembled, thereby being convenient for people to store the utility model, when the utility model meets bumpy road sections in the driving process, the first vertical rod 1 can move downwards due to the existence of the spring 8, then the first vertical rod 1 can move to drive the support rod 2 to move downwards, and the fixed block 3 can be driven to move downwards through the support rod 2, thereby the second vertical rod 4 can be driven to move downwards through the fixed block 3, then the second vertical rod 4 moves to drive the moving plate 6 to move downwards, then the moving plate 6 compresses the spring 8 downwards in the downward movement process, meanwhile, the moving plate 6 contacts with the lubricating oil 9 at the bottom of the moving plate 6 in the downward movement process, then the lubricating oil 9 passes through the through hole 7 to move to the top of the moving plate 6 in the continuous downward movement process of the moving plate 6, and fluid resistance is applied to the moving plate 6 in the process that the lubricating oil 9 passes through the through hole 7 to reduce the compression of the moving plate 6 on the spring 8, so that the situation that the compression amount of the spring 8 is large can be effectively prevented, further, the situation that the spring 8 applies large elastic force to a vehicle handle through the moving plate 6, the second vertical rod 4, the fixed block 3, the supporting rod 2 and the first vertical rod 1 when releasing the elastic force can be prevented, and the bumping feeling of people in the riding process can be relieved, in order to improve the utility model discloses a shock attenuation effect, when the spring 8 of compression is when the reverse extension in addition, can drive movable plate 6 rebound, then the lubricating oil 9 at 6 tops of movable plate can remove movable plate 6 bottom through-hole 7, thereby can be once more to the movable plate 6 fluid pressure that applies, thereby can slow down spring 8 and give the elasticity that movable plate 6 was applyed, and then can avoid the emergence of the too big condition of elasticity of spring 8 release, thereby can reduce the jolt of driving in-process and feel and improve the shock attenuation effect, this embodiment has specifically solved because the great elasticity of giving people and applying of leading to of the great volume of deformation of spring compression is great and influence the problem of the shock attenuation effect of bicycle.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a bicycle front fork with shock-absorbing function, includes first montant (1), bracing piece (2) and two fixed blocks (3), establish in first montant (1) bottom bracing piece (2), threaded connection is passed through with bracing piece (2) in first montant (1) one end, two fixed block (3) are established respectively at bracing piece (2) both ends, fixed block (3) and bracing piece (2) fixed connection, its characterized in that: the bottom of the fixed block (3) is provided with a damping mechanism;

the damping mechanism comprises two second vertical rods (4), the second vertical rods (4) are arranged at the bottom of the fixed block (3), one ends of the second vertical rods (4) are inserted into the fixed block (3), the second vertical rods (4) are in threaded connection with the fixed block (3), third vertical rods (5) are arranged at the outer ends of the second vertical rods (4), one ends of the second vertical rods (4) extend into the third vertical rods (5), a movable plate (6) is arranged inside the third vertical rods (5), the movable plate (6) is fixedly connected with the bottom ends of the second vertical rods (4), a plurality of through holes (7) are formed in the movable plate (6), a spring (8) is arranged at the bottom of the movable plate (6), one end of the spring (8) is fixedly connected with the bottom of the movable plate (6), and the other end of the spring (8) is fixedly connected with the bottom end inside the third vertical rods (5), the movable plate (6) bottom is equipped with lubricating oil (9), establish inside lubricating oil (9) spring (8), establish inside third montant (5) lubricating oil (9).

2. The bicycle front fork with shock absorbing function according to claim 1, wherein: the outer end of the moving plate (6) is fixedly provided with a rubber ring (10), and the rubber ring (10) is in contact with the inner wall of the third vertical rod (5).

3. The bicycle front fork with shock absorbing function according to claim 1, wherein: and a limiting plate (11) is fixedly arranged at the outer end of the second vertical rod (4), and the limiting plate (11) is contacted with the top end inside the third vertical rod (5).

4. The bicycle front fork with shock absorbing function according to claim 1, wherein: and a sealing ring (12) is arranged at the outer end of the second vertical rod (4), and the sealing ring (12) is fixedly arranged inside the third vertical rod (5).

5. The bicycle front fork with shock absorbing function according to claim 1, wherein: the bottom of the third vertical rod (5) is fixedly provided with a short pipe (13), one end of the short pipe (13) extends into the third vertical rod (5), the outer end of the short pipe (13) is fixedly provided with a switch valve (14), and the switch valve (14) is arranged at the bottom of the third vertical rod (5).

6. The bicycle front fork with shock absorbing function according to claim 1, wherein: and a fixing plate (15) is fixedly arranged at the bottom of the third vertical rod (5).

7. The bicycle front fork with shock absorbing function according to claim 1, wherein: the front side of each third vertical rod (5) is provided with a fork bridge (16), and two ends of each fork bridge (16) are fixedly connected with the front sides of the two third vertical rods (5) respectively.

8. The bicycle front fork with shock absorbing function according to claim 1, wherein: fixed block (3) one side is equipped with bolt (17), inside bolt (17) were established fixed block (3) outside and extended into fixed block (3), second montant (4) are run through in bolt (17), bolt (17) all pass through threaded connection with fixed block (3) and second montant (4).