CN209064280U - Vertical tube shockproof front forks for bicycle - Google Patents

Abstract

The utility model discloses a bicycle vertical tube type shock-absorbing front fork, which comprises a front fork bracket, a top of the front fork bracket is welded with a fixing block, and the fixing block is connected with a vertical tube through a first shock absorbing mechanism. The utility model utilizes the cooperation of the first damping mechanism, the fixing block and the rubber layer, so that the sliding block on the damping ring plate and the damping chute slide up and down, so that the first spring is deformed, and the first spring is used. The elastic potential energy can offset the bumpy vibration, and at the same time, the shock-absorbing ring plate is used to protect the device inside the shock-absorbing ring plate. The inner side wall of the standpipe slides up and down, driving the rotating connecting rod to pull the movable block to move upward, and the movable block moves up and down, which will deform the second spring, and use the elastic potential energy of the second spring to offset the bumpy vibration and improve the comfort of the rider .

Description

Bicycle Steering Tube Suspension Front Fork

technical field

The utility model relates to the technical field of bicycles, in particular to a vertical tube type shock-absorbing front fork of a bicycle.

Background technique

Bicycles, also known as bicycles or bicycles, are usually small land vehicles with two wheels. After a person rides on a car, it is a green and environmentally friendly means of transportation that uses the pedals as power.

With the rapid development of society, people's living standards are constantly improving, and at the same time, people's requirements for means of transportation are getting higher and higher. The traditional bicycle front fork is not equipped with a shock-absorbing structure. The road is bumpy, which makes the rider uncomfortable. The existing shock-absorbing structure is mainly installed inside the two side tubes of the bicycle front fork, so that the front fork has a shock-absorbing effect. When the front fork has a shock-absorbing structure on both sides of the tube, due to vibration on one side, the shock-absorbing is deformed, causing the front wheel to deflect, causing the bicycle to shake, causing the rider to fall and cause a safety accident.

To this end, we designed a bicycle vertical suspension front fork.

Utility model content

The purpose of the utility model is to solve the problem that the shock-absorbing structure is arranged inside the two side tubes of the front fork in the prior art, and the deflection occurs when the vibration occurs, and the proposed bicycle vertical tube type shock-absorbing front fork is proposed.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A bicycle vertical tube type shock-absorbing front fork includes a front fork bracket, the top of the front fork bracket is welded with a fixed block, the fixed block is connected with a vertical pipe through a first shock absorption mechanism, and the top of the fixed block is fixed by a fixed rod A shock absorbing ball is connected, and the side wall of the shock absorbing ball is connected with the inner side wall of the vertical pipe through two symmetrical second shock absorbing mechanisms.

Preferably, the first shock absorbing mechanism includes a shock absorbing ring plate fixedly connected to the bottom of the standpipe, the top of the fixing block is provided with a shock absorbing ring groove corresponding to the shock absorbing ring plate, and the shock absorbing ring plate is connected to the shock absorbing ring plate. The inner side walls of the shock-absorbing ring groove are slidably connected, and one end of the shock-absorbing ring plate away from the bottom of the standpipe is fixedly connected to the inner bottom of the shock-absorbing ring groove through a first spring.

Preferably, sliding blocks are fixedly connected to both sides of the shock absorbing ring plate, and sliding grooves corresponding to the sliding blocks are provided on the inner side walls of the shock absorbing ring groove.

Preferably, the second shock absorbing mechanism comprises a connecting rod rotatably connected to the side wall of the shock absorbing ball, a movable block is rotatably connected to one end of the connecting rod away from the shock absorbing ball, and the inner side wall of the vertical pipe is provided with a The movable slot corresponding to the movable block, the inner side wall of the movable slot is fixedly connected to the limit shaft, the movable block is slidably sleeved on the limit shaft, and a second spring is sleeved on the limit shaft, and the second The two ends of the spring are respectively fixedly connected with the side wall of the movable block and the inner side wall of the movable slot.

Preferably, the side wall of the shock absorbing ball and the side wall of the movable block are fixedly connected with a mounting seat, the inner side wall of the mounting seat is fixedly connected with a rotating shaft, and the two ends of the connecting rod are respectively rotatably sleeved on the two on the reel.

Preferably, a rubber layer is fixedly connected to the bottom of the vertical pipe and the top of the fixing block.

The beneficial effects of the present utility model:

1. Through the cooperation of the first shock absorbing mechanism, the fixing block and the rubber layer, the slider on the shock absorbing ring plate and the shock absorbing chute slide up and down to deform the first spring. The elastic potential energy is used to offset the bumpy vibration, and the shock absorber ring plate is used to protect the device inside the shock absorber ring plate;

2. Through the synergy of the second damping mechanism, the damping ball, the fixed rod and the vertical pipe, the damping ball is used to slide up and down on the inner side wall of the vertical pipe, and the rotating connecting rod is driven to pull the movable block to move upward, and the movable block moves up and down. , the second spring will be deformed, and the elastic potential energy of the second spring will be used to offset the bumpy vibration and improve the comfort of the rider.

Description of drawings

Fig. 1 is the structural representation of the bicycle vertical tube type shock-absorbing front fork proposed by the utility model;

Fig. 2 is the enlarged view of A in Fig. 1;

Fig. 3 is the enlarged view of B in Fig. 1;

FIG. 4 is a view from C-C in FIG. 1 .

In the picture: 1 front fork bracket, 2 fixed block, 3 vertical pipe, 4 fixed rod, 5 damping ball, 6 damping ring plate, 7 first spring, 8 slider, 9 connecting rod, 10 movable block, 11 limit Position shaft, 12 second spring, 13 mounting seat, 14 rotating shaft, 15 rubber layer.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inside", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation , are constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

Referring to Figures 1-4, a bicycle vertical tube type shock absorber front fork includes a front fork bracket 1, a fixed block 2 is welded on the top of the front fork bracket 1, and the fixed block 2 is connected with a vertical tube 3 through a first shock absorbing mechanism. The shock absorbing mechanism includes a shock absorbing ring plate 6 fixedly connected to the bottom of the standpipe 3, the top of the fixed block 2 is provided with a shock absorbing ring groove corresponding to the shock absorbing ring plate 6, the shock absorbing ring plate 6 and the inner side of the shock absorbing ring groove The wall is slidingly connected, and the end of the shock absorber ring plate 6 away from the bottom of the vertical pipe 3 is fixedly connected to the inner bottom of the shock absorber ring groove through the first spring 7. When the bicycle travels on a bumpy road, vibration is generated, which drives the shock absorber ring plate 6 up and down. Movement, the shock absorber ring plate 6 deforms the first spring 7, so that the elastic potential energy of the first spring 7 is used to offset the external vibration, and at the same time, the shock absorber ring plate 6 is used to offset the entry of external dust and particles into the standpipe 3, resulting in subsequent reductions. The vibration device is faulty.

The sliders 8 are fixedly connected to both sides of the shock-absorbing ring plate 6 , and the inner wall of the shock-absorbing ring groove is provided with a sliding groove corresponding to the slider 8 . Sliding up and down is convenient for the damping ring plate 6 and the first spring 7 to cooperate to dampen the vibration. The top of the fixing block 2 is fixedly connected with the damping ball 5 through the fixing rod 4, and the side wall of the damping ball 5 passes through two symmetrical first The second shock absorbing mechanism is connected to the inner side wall of the vertical pipe 3 , and the second shock absorbing mechanism includes a connecting rod 9 rotatably connected to the side wall of the shock absorbing ball 5 , and a movable block 10 is rotatably connected to the end of the connecting rod 9 away from the shock absorbing ball 5 . , the inner side wall of the vertical pipe 3 is provided with a movable groove corresponding to the movable block 10, the inner side wall of the movable groove is fixedly connected to the limit shaft 11, the movable block 10 is slidably sleeved on the limit shaft 11, and the limit shaft 11 is sleeved There is a second spring 12, the two ends of the second spring 12 are respectively fixedly connected with the side wall of the movable block 10 and the inner side wall of the movable slot. When the bicycle travels on a bumpy road, it will vibrate and drive the fixed rod 4 to push the shock-absorbing ball upward. 5. The shock-absorbing ball 5 drives the connecting rod 9 to rotate, so that the connecting rod 9 drives the movable block 10 to move up and down, so that the second spring 12 is deformed, and the elastic potential energy of the second spring 12 is used to offset the external vibration.

Wherein, the side wall of the damping ball 5 and the side wall of the movable block 10 are fixedly connected with the mounting seat 13, the inner side wall of the mounting seat 13 is fixedly connected with the rotating shaft 14, and the two ends of the connecting rod 9 are respectively rotatably sleeved on the two rotating shafts 14, in this way, the action of the mounting seat 13 and the rotating shaft 14 is used to assist the rotation of the connecting rod 9, so that the connecting rod 9 drives the movable block 10 to move up and down, and the bottom of the vertical pipe 3 and the top of the fixed block 2 are fixedly connected with a rubber layer 15. In this way, the action of the rubber layer 15 is used to prevent the top of the fixed block 2 from colliding with the bottom of the standpipe 3 during the shock absorption process, resulting in damage to the fixed block 2 and the standpipe 3 .

In the utility model, when the bicycle travels on a bumpy road, when vibration occurs, the vibration will be transmitted to the fixed block 2 through the front fork bracket 1, the fixed block 2 drives the fixed rod 4 to move upward, and the fixed rod 4 drives the shock-absorbing ball 5 to move upward. , wherein, the damping ball 5 can slide stably in the inner side wall of the vertical pipe 3, and the damping ball 5 drives the connecting rod 9 to rotate, wherein the connecting rod 9 rotates with the assistance of the rotating shaft 14 and the mounting seat 13, and the rotating connecting rod 9 The movable block 10 is driven to move upward, the movable block 10 presses the second spring 12 upward, and the second spring 12 is deformed, so that the elastic potential energy of the second spring 12 is used to offset the external vibration. At the same time, under the force of the second spring 12, The vertical pipe 3 moves downward, which drives the shock absorber ring plate 6 to move downward, wherein the shock absorber ring plate 6 moves downward with the assistance of the slider 8, and the shock absorber ring plate 6 presses the first spring 7, so that the first The spring 7 is deformed, and the elastic potential energy of the first spring 7 is used to offset the acting force, so as to ensure that the distance between the vertical pipe 3 and the fixed block 2 remains unchanged, and to ensure that the rider rides stably.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (6)

1. A bicycle vertical tube type shock-absorbing front fork, comprising a front fork bracket (1), characterized in that a fixing block (2) is welded on the top of the front fork bracket (1), and the fixing block (2) passes through the first fork bracket (1). A shock absorbing mechanism is connected with a vertical pipe (3), the top of the fixing block (2) is fixedly connected with a shock absorbing ball (5) through a fixing rod (4), and the side wall of the shock absorbing ball (5) passes through two The symmetrical second damping mechanism is connected with the inner side wall of the vertical pipe (3). 2 . The bicycle stand-tube type shock-absorbing front fork according to claim 1 , wherein the first shock absorbing mechanism comprises a shock-absorbing ring plate ( 6 ) fixedly connected to the bottom of the stand pipe ( 3 ). 3 . The top of the fixing block (2) is provided with a shock-absorbing ring groove corresponding to the shock-absorbing ring plate (6), the shock-absorbing ring plate (6) is slidably connected with the inner side wall of the shock-absorbing ring groove, and the shock-absorbing ring plate (6) The end away from the bottom of the vertical pipe (3) is fixedly connected to the inner bottom of the shock-absorbing ring groove through the first spring (7). 3. The bicycle vertical tube type shock-absorbing front fork according to claim 2, characterized in that, the two sides of the shock-absorbing ring plate (6) are fixedly connected with sliders (8), and the shock-absorbing ring groove is The inner side wall is provided with a chute corresponding to the slider (8). 4. The bicycle vertical tube type shock-absorbing front fork according to claim 1, wherein the second shock-absorbing mechanism comprises a connecting rod (9) rotatably connected to the side wall of the shock-absorbing ball (5), so One end of the connecting rod (9) away from the shock-absorbing ball (5) is rotatably connected with a movable block (10), and the inner side wall of the vertical pipe (3) is provided with a movable groove corresponding to the movable block (10). The inner side wall of the groove is fixedly connected with a limit shaft (11), the movable block (10) is slidably sleeved on the limit shaft (11), and a second spring (12) is sleeved on the limit shaft (11). , the two ends of the second spring (12) are respectively fixedly connected with the side wall of the movable block (10) and the inner side wall of the movable slot. 5. The bicycle vertical tube type shock-absorbing front fork according to claim 4, characterized in that, a mounting seat (13) is fixedly connected to the side wall of the shock-absorbing ball (5) and the side wall of the movable block (10). ), the inner side wall of the mounting seat (13) is fixedly connected with a rotating shaft (14), and the two ends of the connecting rod (9) are respectively rotatably sleeved on the two rotating shafts (14). 6 . The bicycle vertical tube type shock-absorbing front fork according to claim 1 , wherein a rubber layer ( 15 ) is fixedly connected to the bottom of the vertical tube ( 3 ) and the top of the fixing block ( 2 ). 7 .