CN217416010U - Front fork hydraulic shock-absorbing variable locking spring - Google Patents

Abstract

The utility model discloses a front fork hydraulic shock-absorbing variable locking spring, which belongs to the field of locking springs and comprises a steel pipe, wherein a hollow rod is arranged inside the steel pipe, and a first supporting screw is arranged inside the hollow rod; through setting up hollow pole, a supporting screw, the rod end ejector pin, the uide bushing, the oil blanket, the spacer, the steel pipe, the rod end valve body, the rod end case, inactive oil, the pipe end case, the pipe end valve body, the pipe end connecting piece, pipe end ejector pin and No. two supporting screws, can be at the in-process that variable locking spring used, rebound stroke speed is adjustable, the hardness of moving away to avoid possible earthquakes is adjustable, can lock, damping pressure size is adjustable, as long as rotate adjust knob, can control the difference of passing through of fluid air current in the unit interval through valve system adjusting piston oilhole size, thereby reach the purpose of adjusting rebound speed, the lock state, the driver of riding can reduce the lac power, it becomes easier to make the climbing, the smoothness is better, thereby greatly promoted the enjoyment of riding.

Description

Front fork hydraulic shock-absorbing variable locking spring

Technical Field

The utility model belongs to the technical field of the locking spring, concretely relates to front fork hydraulic pressure variable locking spring of moving away to avoid possible earthquakes.

Background

In the front fork of mountain country vehicle or highway bicycle is moved away to avoid possible earthquakes, generally need front fork hydraulic pressure spring of moving away to avoid possible earthquakes for the shock attenuation, however, most current front fork hydraulic pressure spring of moving away to avoid possible earthquakes is at the in-process that uses, and the effect of moving away to avoid possible earthquakes is poor, and the sense of jolting is strong, thereby just move away to avoid possible earthquakes the softness and hardness and be difficult to adjust and reduced the practicality of front fork hydraulic pressure spring of moving away to avoid possible earthquakes, for this reason, we provide a front fork hydraulic pressure variable locking spring of moving away to avoid possible earthquakes.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a front fork hydraulic pressure variable locking spring of moving away to avoid possible earthquakes to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a front fork hydraulic shock absorption variable locking spring comprises a steel pipe, wherein a hollow rod is arranged inside the steel pipe, a first supporting screw is arranged inside the hollow rod, a rod end ejector rod is arranged inside the hollow rod, a guide sleeve is arranged outside the hollow rod, an oil seal is arranged inside the steel pipe, a spacer sleeve is arranged inside the steel pipe, a rod end valve body is arranged inside the steel pipe, a rod end valve core is arranged inside the rod end valve body, a second O-shaped ring is arranged at the top of the rod end valve core, a first spring is arranged at the top of the rod end valve core, a first tetrafluoro piston ring is arranged outside the rod end valve body, a pipe end valve body is arranged inside the steel pipe, a second tetrafluoro piston ring is arranged outside the pipe end valve body, a second spring is arranged inside the pipe end valve body, and a pipe end valve core is arranged inside the pipe end valve body, the top of pipe end case is provided with No. three O type circles, the inside of pipe end valve body is provided with the pipe end connecting piece, the top of pipe end connecting piece is provided with No. four O type circles, and the inside of pipe end connecting piece is provided with the pipe end ejector pin, the inside of pipe end connecting piece is provided with No. two supporting screws, and the top of pipe end connecting piece is provided with No. five O type circles.

In a preferred embodiment, the steel pipe is made of a high-strength aircraft aluminum alloy material.

In a preferred embodiment, the hollow stem is located inside the rod end valve body, and a number one O-ring is provided between the outside of the hollow stem and the inside of the rod end valve body.

In a preferred embodiment, the inert oil is provided inside the steel pipe, and the high-purity nitrogen gas is provided inside the steel pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

the front fork hydraulic shock absorption variable locking spring is characterized in that a hollow rod, a first supporting screw, a rod end ejector rod, a guide sleeve, an oil seal, a spacer sleeve, a steel pipe, a rod end valve body, a rod end valve core, inactive oil, a pipe end valve core, a pipe end valve body, a pipe end connecting piece, a pipe end ejector rod and a second supporting screw are arranged, the rebound stroke speed can be adjusted, the shock absorption softness and hardness can be adjusted, the locking can be realized, the damping pressure can be adjusted, the passing difference of oil gas flow in unit time can be controlled by adjusting the size of an oil hole of a piston through a valve system only by rotating an adjusting knob, so that the rebound speed can be adjusted, an in-cylinder damping system controls the actions and the speeds of compression and rebound by using an oil-gas mixing system, a double-air chamber oil-gas pressure spring system is adopted, the front and back cavity are designed, two independent damping pistons are arranged, and the front cavity controls rebound, rear chamber drive compression is died with the lock, the inside high-purity nitrogen gas that fills of front fork variable locking spring of moving away to avoid possible earthquakes, form the oil-gas mixture structure, the oil-gas medium has splendid acuity through high-speed impact in the jar, can bear sufficient shock-resistant ability, the front fork lock is died just like hard fork, do not have absorbing reaction to any barrier, the lock state of dying, the driver of riding can reduce the relaxation, it becomes easier to make the climbing, it can be more laborsaving to ride long-distance, smoothness nature is better, thereby greatly promoted the enjoyment of riding and taking advantage of, and then the practicality of locking the spring has been improved.

Drawings

Fig. 1 is a front sectional view of the structure of the present invention.

In the figure: 1. a hollow rod; 2. a first support screw; 3. a rod end ejector rod; 4. a guide sleeve; 5. oil sealing; 6. a spacer sleeve; 7. a steel pipe; 8. a rod end valve body; 9. a first O-shaped ring; 10. a second O-shaped ring; 11. a first spring; 12. a rod end valve core; 13. a first tetrafluoro piston ring; 14. an inactive oil; 15. a second tetrafluoro piston ring; 16. a second spring; 17. a pipe end valve core; 18. a third O-shaped ring; 19. a pipe end valve body; 20. a fourth O-shaped ring; 21. a pipe end connector; 22. a pipe end ejector rod; 23. a fifth O-shaped ring; 24. and a second supporting screw.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1, the present invention provides a front fork hydraulic shock absorbing variable locking spring, which comprises a steel tube 7, in order to improve the practicability of the variable locking spring, a hollow rod 1 is disposed inside the steel tube 7, a first supporting screw 2 is disposed inside the hollow rod 1, a rod end ejector rod 3 is disposed inside the hollow rod 1, a guide sleeve 4 is disposed outside the hollow rod 1, an oil seal 5 is disposed inside the steel tube 7, a spacer 6 is disposed inside the steel tube 7, a rod end valve body 8 is disposed inside the steel tube 7, a rod end valve core 12 is disposed inside the rod end valve body 8, a second O-ring 10 is disposed on the top of the rod end valve core 12, a first spring 11 is disposed on the top of the rod end valve core 12, a first tetrafluoro piston ring 13 is disposed outside the rod end valve body 8, a pipe end valve body 19 is disposed inside the steel tube 7, a second tetrafluoro piston ring 15 is disposed outside the pipe end valve body 19, a second spring 16 is arranged in the pipe end valve body 19, a pipe end valve core 17 is arranged in the pipe end valve body 19, a third O-shaped ring 18 is arranged at the top of the pipe end valve core 17, a pipe end connecting piece 21 is arranged in the pipe end valve body 19, a fourth O-shaped ring 20 is arranged at the top of the pipe end connecting piece 21, a pipe end ejector rod 22 is arranged in the pipe end connecting piece 21, a second supporting screw 24 is arranged in the pipe end connecting piece 21, a fifth O-shaped ring 23 is arranged at the top of the pipe end connecting piece 21, the steel pipe 7 is made of high-strength aviation aluminum alloy materials, the hollow rod 1 is positioned in the rod end valve body 8, a first O-shaped ring 9 is arranged between the outside of the hollow rod 1 and the inside of the rod end valve body 8, non-active oil 14 is arranged in the steel pipe 7, high-purity nitrogen is arranged in the steel pipe 7, and the rebound stroke speed can be adjusted in the using process of the variable locking spring, the damping softness is adjustable, the locking is realized, the damping pressure is adjustable, as long as the adjusting knob is rotated, the passing difference of oil gas flow in unit time can be controlled by adjusting the size of the oil hole of the piston through a valve system, so as to achieve the purpose of adjusting the rebound speed, the in-cylinder damping system controls the action and the speed of compression and rebound through an oil-gas mixing system, a double-air-chamber oil-gas pressure spring system is adopted, the design of a front cavity and a rear cavity is divided into two independent damping pistons, the rebound is controlled by a front cavity, the driving compression and the locking of the rear cavity are realized, high-purity nitrogen is filled in the front fork damping variable locking spring to form an oil-gas mixing structure, an oil-gas medium in the cylinder has excellent acuity through high-speed impact and can bear sufficient impact resistance, the front fork locking is the same as a hard fork, no damping reaction is generated on any obstacle, the locking state is realized, and the rider can reduce the strength, the climbing is easier, the riding is more labor-saving in a long distance, and the smoothness is better, so that the riding pleasure is greatly improved, and the practicability of the locking spring is further improved.

The utility model discloses a theory of operation and use flow: firstly, in the process of using the variable locking spring, the rebound stroke speed is adjustable, the shock absorption hardness and the hardness are adjustable, the locking is realized, the damping pressure is adjustable, as long as an adjusting knob is rotated, the passing difference of oil gas flow in unit time can be controlled by adjusting the size of an oil hole of a piston through a valve system, so that the aim of adjusting the rebound speed is fulfilled, an in-cylinder damping system controls the action and the speed of compression and rebound by using an oil-gas mixing system, a double-air-chamber oil-gas pressure spring system is adopted, the design is divided into a front cavity and a rear cavity, two independent damping pistons, a front cavity controls rebound, the rear cavity drives compression and locking, high-purity nitrogen is filled in the front fork shock absorption variable locking spring to form an oil-gas mixing structure, an oil-gas medium in the cylinder has excellent acutance through high-speed impact, can bear enough impact resistance, the front fork locking is the same as a hard fork, and has no shock absorption reaction to any barrier, the lock is dead, and the car hand of riding can reduce the lacy power, makes the climbing become easier, rides long-distance can be more laborsaving, and smooth and easy nature is better to promote the enjoyment of riding and taking advantage of by a wide margin, and then improved the practicality of locking spring.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a front fork hydraulic pressure variable locking spring that moves away to avoid possible earthquakes, includes steel pipe (7), its characterized in that: the inner part of the steel pipe (7) is provided with a hollow rod (1), the inner part of the hollow rod (1) is provided with a first supporting screw (2), the inner part of the hollow rod (1) is provided with a rod end ejector rod (3), the outer part of the hollow rod (1) is provided with a guide sleeve (4), the inner part of the steel pipe (7) is provided with an oil seal (5), the inner part of the steel pipe (7) is provided with a spacer sleeve (6), the inner part of the steel pipe (7) is provided with a rod end valve body (8), the inner part of the rod end valve body (8) is provided with a rod end valve core (12), the top of the rod end valve core (12) is provided with a second O-shaped ring (10), the top of the rod end valve core (12) is provided with a first spring (11), the outer part of the rod end valve body (8) is provided with a first tetrafluoro piston ring (13), the inner part of the steel pipe (7) is provided with a pipe end valve body (19), the outside of pipe end valve body (19) is provided with No. two tetrafluoro piston rings (15), and the inside of pipe end valve body (19) is provided with No. two spring (16), the inside of pipe end valve body (19) is provided with pipe end case (17), the top of pipe end case (17) is provided with No. three O type circle (18), the inside of pipe end valve body (19) is provided with pipe end connecting piece (21), the top of pipe end connecting piece (21) is provided with No. four O type circle (20), and the inside of pipe end connecting piece (21) is provided with pipe end ejector pin (22), the inside of pipe end connecting piece (21) is provided with No. two supporting screw (24), and the top of pipe end connecting piece (21) is provided with No. five O type circle (23).

2. The front fork hydraulic suspension variable lock spring as claimed in claim 1, wherein: the steel pipe (7) is made of high-strength aviation aluminum alloy materials.

3. The front fork hydraulic suspension variable lock spring as claimed in claim 1, wherein: hollow pole (1) are located the inside of rod end valve body (8), be provided with O type circle (9) No. one between the outside of hollow pole (1) and the inside of rod end valve body (8).

4. The front fork hydraulic suspension variable lock spring as claimed in claim 1, wherein: the inside of steel pipe (7) is provided with inactive oil (14), and the inside of steel pipe (7) is provided with high-purity nitrogen gas.

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