CN204173119U - Front wheel shock absorber - Google Patents

Abstract

The utility model provides a front wheel mechanism of moving away to avoid possible earthquakes assembles between the front wheel of scooter and the turning connection seat of locomotive, wherein, the utility model discloses a front wheel mechanism of moving away to avoid possible earthquakes includes the oil pressure shock absorber, the oil pressure shock absorber contains the oil pressure cylinder body, relatively the slip flexible telescopic link of moving away to avoid possible earthquakes of oil pressure cylinder body and annotate in fluid in the oil pressure cylinder body, the oil pressure cylinder body is installed front wheel and turn to one in the connecting seat, the telescopic link of moving away to avoid possible earthquakes is installed another in front wheel and the turning connection seat. Because the front wheel shock-absorbing mechanism of the utility model uses the oil pressure shock absorber to absorb shock of the front wheel, on one hand, the problem of noise generated by spring shock absorption can be overcome; on the other hand, the shock-absorbing effect is better.

Description

Front wheel shock absorber

technical field

The utility model relates to a scooter, in particular to a front wheel shock-absorbing mechanism for shock-absorbing the front wheels of the scooter.

Background technique

With the continuous development of the economy and the continuous progress of the society, a variety of consumer goods are provided for people's lives to meet people's individual pursuits, and scooters are one of the many consumer goods.

As we all know, scooters can be divided into electric scooters and human-powered scooters. Among them, for the human-powered scooter, it relies on one foot of the user to stand on the body of the scooter, and the other foot relies on the support to push the ground to realize the purpose of the scooter walking on the ground. Therefore, the human-powered scooter Can exercise the user well. For the electric scooter, it uses electricity as the driving force for the electric scooter to drive the electric scooter to walk on the ground, so it is convenient for the user to travel far. Therefore, the scooter is more and more favored by people.

Among them, no matter for electric scooters or human-powered scooters, the front wheels generally do not have a shock-absorbing structure, so this type of scooters will jump violently when walking on uneven or even bumpy roads, seriously affecting users. Control of the car. Although, the front wheels of electric scooters or human-powered scooters currently on the market are also provided with a shock-absorbing structure, which is formed by a spring, so that the scooter can achieve the effect of buffering and unloading force by virtue of the elastic deformation produced by the spring. .

But, because the shock absorbing of front wheel is finished by the elastic deformation that spring produces, so make the noise of front wheel in the shock absorbing process extremely; Press to the bottom, so except that the shock absorbing effect is poor, there is also the defect that the front wheel collides with other parts of the scooter during the shock absorbing process.

Therefore, be badly in need of a kind of front-wheel suspension mechanism to overcome above-mentioned defective.

Utility model content

The purpose of the utility model is to provide a front wheel shock absorbing mechanism with good shock absorbing effect and low noise.

In order to achieve the above object, the utility model provides a front wheel shock absorbing mechanism, which is assembled between the front wheel of the scooter and the steering connection seat of the front of the scooter, wherein the front wheel shock absorbing mechanism of the utility model includes oil Hydraulic shock absorber, the hydraulic shock absorber includes a hydraulic cylinder, a shock-absorbing telescopic rod that slides and expands relative to the hydraulic cylinder, and oil injected into the hydraulic cylinder. The cylinder body is installed on one of the front wheel and the steering connection seat, and the shock-absorbing telescopic rod is installed on the other of the front wheel and the steering connection seat.

Preferably, the rotating shaft of the front wheel is fixed on the hydraulic cylinder, and the shock-absorbing telescopic rod is fixed on the steering connecting seat.

Preferably, there are two hydraulic shock absorbers, and the two hydraulic shock absorbers and the steering connecting seat form a door frame-shaped front fork structure.

Preferably, the two hydraulic shock absorbers are arranged parallel to each other, one end of the rotating shaft of the front wheel is fixed on the hydraulic cylinder of one of the hydraulic shock absorbers, and the rotating shaft of the front wheel The other end is fixed on the hydraulic cylinder block of another hydraulic shock absorber, and the front wheel is located between the two hydraulic shock absorbers.

Preferably, the end of the shock-absorbing telescopic rod away from the hydraulic cylinder is provided with a threaded section, and the threaded section passes through the steering connecting seat so that the steering connecting seat is located at the starting end of the threaded section and Between the terminal ends, the first nut is threadedly fitted on the threaded section and pressed against one side of the steering connection seat, and the second nut is threadedly fitted on the threaded section and pressed against The other side of the steering connection seat.

Preferably, the length of the threaded section is greater than the superimposed thickness of the first nut, the second nut, and the portion where the steering connecting seat passes through the threaded section.

Preferably, the front wheel shock absorbing mechanism of the present utility model also includes an elastic element sleeved on the shock absorbing telescopic rod, one end of the elastic element is connected with the hydraulic cylinder, and the other end of the elastic element It is connected with one of the shock-absorbing telescopic rod and the steering connection seat.

Preferably, the elastic element abuts between the hydraulic cylinder and the shock-absorbing telescopic rod, and the elastic element constantly drives the shock-absorbing telescopic rod to be in an extended state.

Preferably, the end of the shock-absorbing telescopic rod away from the hydraulic cylinder is provided with a threaded section, and the threaded section passes through the steering connecting seat and makes the steering connecting seat located at the starting end of the threaded section and the terminal end, the first nut is threadedly fitted on the threaded section and pressed against one side of the steering connection seat, and the second nut is threadedly fitted on the threaded section and pressed against On the other side of the steering connection seat, the elastic element abuts between the hydraulic cylinder and the first nut.

Preferably, the hydraulic cylinder includes a cylindrical first cylinder part and a second cylinder part arranged coaxially, the diameter of the first cylinder part is larger than the diameter of the second cylinder part; The first nut includes a columnar coaxial first nut part and a second nut part, the diameter of the first nut part is smaller than the diameter of the second nut part; the elastic element is also sleeved on the The second cylinder part and the first nut part, and the elastic element abuts between the first cylinder part and the second nut part.

Compared with the prior art, since the hydraulic cylinder of the hydraulic shock absorber is installed in one of the front wheel and the steering connection seat, the shock absorbing telescopic rod of the hydraulic shock absorber is installed in the front wheel and the steering connection seat. The other one, so when the scooter equipped with the front wheel shock-absorbing mechanism of the present utility model walks on uneven or even bumpy roads, at this time, it is formed by the cooperation of the shock-absorbing telescopic rod, the hydraulic cylinder and the oil. The oil pressure damping effect is used to carry out stable and reliable shock absorption on the front wheels; and because the oil pressure shock absorber is realized through the slow release of oil pressure during the shock absorption process, the front wheel shock absorber of the utility model The shock absorbing effect of the mechanism on the front wheel is better and the noise is smaller, thereby improving the stability and safety of the scooter walking.

Description of drawings

Fig. 1 is the plane structure schematic diagram of the scooter that the front wheel shock-absorbing mechanism of the present utility model is installed.

Fig. 2 is the three-dimensional structure diagram that the front wheel shock absorbing mechanism of the present invention is installed on the steering connection seat of the front wheel and the front of the car.

Fig. 3 is the plane structure schematic diagram that the front wheel shock-absorbing mechanism of the present invention is installed on the steering connection seat of the front wheel and the headstock.

Detailed ways

In order to describe the technical content and structural features of the present utility model in detail, further description will be made below in conjunction with the embodiments and accompanying drawings.

Please refer to Fig. 1 to Fig. 3, the front wheel shock absorbing mechanism 100 of the present utility model is assembled between the front wheel 230 of the scooter and the steering connection seat 211 of the headstock 210 of the scooter, to carry out hydraulic shock absorber to the front wheel 230 And improve the shock absorbing effect. Specifically, the scooter equipped with the front wheel shock absorber mechanism 100 of the present utility model includes a vehicle body 220, a rear wheel 240, the front wheel shock absorber mechanism 100 of the present utility model, the aforementioned front wheel 230 and the headstock 210, and the vehicle body 220 is along the Arranged parallel to the direction of the horizontal ground, and the front end of the body 220 is assembled and connected with the front 210, and the rear end of the body 220 is assembled and connected with the rear wheel 210 to form a desired scooter.

Wherein, the front wheel shock absorber mechanism 100 of the present utility model includes a hydraulic shock absorber 10, and the hydraulic shock absorber 10 includes a hydraulic cylinder block 11, a shock absorbing telescopic rod 12 that slides and stretches relative to the hydraulic cylinder block 11, and an injector. The oil in the hydraulic cylinder 11 is used to make the oil, the shock-absorbing telescopic rod 12 and the hydraulic cylinder 11 cooperate to form a hydraulic shock-absorbing effect. The hydraulic cylinder 11 is installed on one of the front wheel 230 and the steering connection seat 211. Specifically, in this embodiment, the hydraulic cylinder 11 is installed on the front wheel 230 in the vertical direction, preferably , the rotating shaft 231 of the front wheel 230 is fixed on the hydraulic cylinder 11 to provide better shock absorbing support for the front wheel 230 to decompress and shock absorb; of course, in other embodiments, the hydraulic cylinder 11 can also be installed on the Turn to the connecting seat 211, so it is not limited to the above examples. The shock-absorbing telescopic rod 12 is installed on the other of the front wheel 230 and the steering connection seat 211. Specifically, in this embodiment, the shock-absorbing telescopic rod 12 is installed on the steering connection seat 211. The shock absorbing telescopic rod 12 is fixed on the steering connection seat 211 so as to facilitate the assembly between the two; certainly, in other embodiments, the shock absorbing telescopic rod 12 can also be installed on the front wheel 230, so the above example is not used as an example. limit. More specifically, as follows:

More preferably, there are two hydraulic shock absorbers 10, and the three of the two hydraulic shock absorbers 10 and the steering connection seat 211 form a door frame-shaped shock-absorbing front fork structure, which provides better shock absorption for the front-wheel 230. Buffering effect; of course, in other embodiments, the number of hydraulic shock absorbers 10 can also be one, three, four or five, so it is not limited to the above examples. When there are two hydraulic shock absorbers 10, the two hydraulic shock absorbers 10 are arranged parallel to each other, and one end of the rotating shaft 231 of the front wheel 230 is fixed on the hydraulic cylinder of one hydraulic shock absorber 10. On the body 11, the other end of the rotating shaft 231 of the front wheel 230 is fixed on the hydraulic cylinder 11 of another hydraulic shock absorber 10, and the front wheel 230 is located between the two hydraulic shock absorbers 10, so that the front wheel 230 is better supported and connected in the front fork structure formed by the two hydraulic shock absorbers 10 and the steering connection seat 211.

At the same time, the end of the shock-absorbing telescopic rod 12 away from the hydraulic cylinder 11 is provided with a threaded section 121, and the threaded section 121 is inserted into the steering connection seat 211 so that the steering connection seat 211 is located between the starting end and the termination end of the threaded section 121. Between them, the first nut 20 fits threadably on the threaded section 121 and presses against one side of the steering connecting seat 211, and the second nut 30 fits threadably on the threaded section 121 and presses against the steering connecting seat 211 The other side of the steering connection seat 211 is clamped together by the first nut 20 and the second nut 30 so as to facilitate the assembly and disassembly between the hydraulic shock absorber 10 and the steering connection seat 211 . Specifically, the length of the threaded section 121 is greater than the thickness of the superposition of the first nut 20, the second nut 30, and the position where the steering connecting seat 211 passes through the threaded section 121, so when the first nut 20 is screwed to the threaded section 121 When the starting end of the second nut 30 is screwed to the terminal end of the threaded section 121, the distance between the first nut 20 and the second nut 30 is greater than the position where the steering connecting seat 211 is placed on the threaded section 121 Therefore, the steering connecting seat 211 at this time can be adjusted freely along the axial direction of the shock absorbing telescopic rod 12, thus making the position of the steering connecting seat 211 relative to the shock absorbing telescopic rod 12 adjustable, thereby changing the direction of the steering connecting seat. 211 relative to the distance of the front wheel 230 to adjust the height of the front end of the vehicle body 230 . In order to further improve the shock absorbing effect, the front wheel shock absorbing mechanism 100 of the present utility model also includes an elastic element 40 sleeved on the shock absorbing telescopic rod 12, one end of the elastic element 40 is connected with the hydraulic cylinder 11, and the elastic element 40 The other end of the other end is connected to one of the shock-absorbing telescopic rod 12 and the steering connection seat 211. Preferably, the elastic element 40 abuts between the hydraulic cylinder 11 and the shock-absorbing telescopic rod 12, and the elastic element 40 is constant Drive the shock-absorbing telescopic rod 12 to be in extended state. It can be understood that when the shock-absorbing telescopic rod 12 and the steering connection seat 211 are fixed by the first nut 20 and the second nut 30, the elastic element 40 at this time is in contact with the hydraulic cylinder 11 and the first nut. Between 20. More specifically, the hydraulic cylinder 11 includes a cylindrical first cylinder part 111 and a second cylinder part 112 arranged coaxially, the diameter of the first cylinder part 111 is larger than the diameter of the second cylinder part 112, so as to The first cylinder portion 111 and the second cylinder portion 112 jointly form a stepped structure. The first nut 20 comprises a cylindrical first nut part 21 and a second nut part 22 coaxially arranged, and the diameter of the first nut part 21 is smaller than the diameter of the second nut part 22, so that the first nut part 21 and the second The nut portion 22 also jointly forms a stepped structure. At this time, the elastic element 40 sleeved on the shock-absorbing telescopic rod 12 is also sleeved on the second cylinder portion 112 and the first nut portion 21, and the elastic element 40 abuts against the first cylinder portion 111 and the second nut. Between the parts 22, reliable support is provided for the elastic element 40 for elastic deformation, and the reliability of the elastic deformation of the elastic element 40 is ensured. Optionally, the elastic element 40 is a spring to simplify its structure.

Compared with the prior art, since the hydraulic cylinder 11 of the hydraulic shock absorber 10 is installed on one of the front wheel 230 and the steering connection seat 211, the shock absorbing telescopic rod 12 of the hydraulic shock absorber 10 is installed on the front. Wheel 230 and turn to the other one in connecting seat 211, so when the scooter that the front wheel shock-absorbing mechanism 100 of the present utility model is installed walks on the uneven or even bumpy road surface, at this moment by means of shock-absorbing telescopic rod 12, oil The oil pressure damping effect formed by the cooperation of the cylinder body 11 and the oil liquid can carry out stable and reliable shock absorption for the front wheel 230; And realize, so the shock-absorbing effect of front-wheel 230 of front-wheel shock-absorbing mechanism 100 of the present utility model is better and noise is smaller, thereby improved the smoothness and safety of scooter walking.

It should be noted that the principle of hydraulic shock absorption of the hydraulic shock absorber 10 is well known in this field, so it will not be described in detail.

What is disclosed above is only a preferred example of the utility model, which certainly cannot limit the scope of rights of the utility model. Therefore, the equivalent changes made according to the claims of the utility model still belong to the scope covered by the utility model.

Claims (10)

1. a front-wheel shockproof mechanism, between the front-wheel turning to Connection Block and Kickboard Scooter being assemblied in the headstock of Kickboard Scooter, it is characterized in that, described front-wheel shockproof mechanism comprises oil buffer, described oil buffer comprises oil-hydraulic cylinder, the shock-absorbing expansion link of relatively described oil-hydraulic cylinder sliding extension and the fluid noted in described oil-hydraulic cylinder, described oil-hydraulic cylinder is arranged on described front-wheel and turns to the one in Connection Block, and described shock-absorbing expansion link is arranged on described front-wheel and turns to the another one in Connection Block.

2. front-wheel shockproof mechanism as claimed in claim 1, it is characterized in that, the rotating shaft of described front-wheel is fixed on described oil-hydraulic cylinder, turns on Connection Block described in described shock-absorbing expansion link is fixed on.

3. front-wheel shockproof mechanism as claimed in claim 2, it is characterized in that, described oil buffer is two, oil buffer described in two and the described front fork structure turning to Connection Block three to form doorframe shape.

4. front-wheel shockproof mechanism as claimed in claim 3, it is characterized in that, oil buffer described in two is in the layout be parallel to each other, one end of the rotating shaft of described front-wheel is fixed on the oil-hydraulic cylinder of a described oil buffer, the other end of the rotating shaft of described front-wheel is fixed on the oil-hydraulic cylinder of oil buffer described in another, and described front-wheel is described in two between oil buffer.

5. front-wheel shockproof mechanism as claimed in claim 1, it is characterized in that, described shock-absorbing expansion link is provided with thread segment away from one end of described oil-hydraulic cylinder, turn to Connection Block described in described thread segment is placed through and make this turn to Connection Block between the initiating terminal and clearing end of this thread segment, first nut be screw thread fit to be placed on described thread segment and described in pressing on, to turn to the side of Connection Block, the second nut be screw thread fit to be placed on described thread segment and described in pressing on, to turn to the opposite side of Connection Block.

6. front-wheel shockproof mechanism as claimed in claim 5, is characterized in that, the thickness turning to Connection Block to be placed through position on described thread segment, the first nut and the second nut three described in the length of described thread segment is greater than to superpose.

7. front-wheel shockproof mechanism as claimed in claim 1, it is characterized in that, also comprise the elastic element be placed on described shock-absorbing expansion link, one end of described elastic element is connected with described oil-hydraulic cylinder, and the other end of described elastic element is with described shock-absorbing expansion link and turn to the one in Connection Block to be connected.

8. front-wheel shockproof mechanism as claimed in claim 7, it is characterized in that, described elastic element is connected between described oil-hydraulic cylinder and shock-absorbing expansion link, and described elastic element perseverance is ordered about described shock-absorbing expansion link and is in the state of stretching out.

9. front-wheel shockproof mechanism as claimed in claim 8, it is characterized in that, described shock-absorbing expansion link is provided with thread segment away from one end of described oil-hydraulic cylinder, turn to Connection Block described in described thread segment is placed through and turn to Connection Block between the initiating terminal and clearing end of this thread segment described in making, first nut be screw thread fit to be placed on described thread segment and described in pressing on, to turn to the side of Connection Block, second nut be screw thread fit to be placed on described thread segment and described in pressing on, to turn to the opposite side of Connection Block, described elastic element is connected between described oil-hydraulic cylinder and described first nut.

10. front-wheel shockproof mechanism as claimed in claim 9, it is characterized in that, described oil-hydraulic cylinder comprises the first cylinder body portion and the second cylinder body portion of the coaxial setting of cylindricality, and the diameter in described first cylinder body portion is greater than the diameter in described second cylinder body portion; Described first nut comprises the first nut portions and second nut portions of the coaxial setting of cylindricality, and the diameter of described first nut portions is less than the diameter of described second nut portions; Described elastic element is also sheathed in described second cylinder body portion and the first nut portions, and described elastic element is connected between described first cylinder body portion and described second nut portions.