CN220302615U

CN220302615U - High leakproofness bumper shock absorber

Info

Publication number: CN220302615U
Application number: CN202321731031.5U
Authority: CN
Inventors: 徐慎; 李军锐; 吴宇森
Original assignee: Changzhou Kaifa Shock Absorber Co ltd
Current assignee: Changzhou Kaifa Shock Absorber Co ltd
Priority date: 2023-07-04
Filing date: 2023-07-04
Publication date: 2024-01-05
Anticipated expiration: 2033-07-04

Abstract

The utility model relates to the technical field of shock absorbers, in particular to a shock absorber with high tightness, which comprises a cylinder body, wherein a piston is arranged in the cylinder body, a piston oil discharge channel is formed in the piston, an a rebound valve is arranged at one end of the oil discharge channel, an oil return channel is further formed in the piston, a b rebound valve is arranged at one end of the oil return channel, a piston rod is connected to one side of the piston, a connecting ring is fixed at one end of the piston rod, a dustproof sealing ring is arranged in the sealing cover, an annular water sprayer is connected to one end of a water delivery pipe, a water suction pipe is connected to a water inlet of a miniature water pump, a water bin is connected to one end of the water suction pipe, and an air valve penetrates through the air bin. The miniature air pump can pressurize the air bin through the air pipe, the air valve can decompress the air bin through deflating the air bin, and the miniature air pump and the air valve can regulate the damping force of the shock absorber according to the requirement of a user.

Description

High leakproofness bumper shock absorber

Technical Field

The utility model relates to the technical field of shock absorbers, in particular to a shock absorber with high tightness.

Background

The shock absorber is an important device of the motorcycle, and is used for relieving and attenuating the impact and vibration of the motorcycle caused by the uneven road in the running process, ensuring the smoothness and comfort of running, being beneficial to improving the service life and the operating stability of the motorcycle, and being provided with the shock absorber device on the motorcycle.

The utility model provides a high leakproofness bumper shock absorber of publication number CN115875395A, includes shock attenuation main part and air receiver, and is used for connecting the upper mounting saddle of shock attenuation main part and air receiver, the shock attenuation main part includes the oil storage section of thick bamboo, and sets up the oil blanket seat in the oil storage section of thick bamboo, and the piston rod that one end links to each other with the oil blanket seat, and set up in the oil storage section of thick bamboo with the piston rod continuous piston assembly, and set up the regulation pole in the piston rod, and set up the regulation needle that restores in regulation pole one end, and set up the ejector pin in the regulation pole other end, and set up the damping spring outside the piston rod, and set up the regulation subassembly that restores in the other end of piston rod. The damping spring can be adjusted due to the arrangement of the adjusting nut on the oil storage cylinder; the piston assembly and the restoration adjusting assembly are arranged, so that the air pressure in the oil storage cylinder can be effectively adjusted and restored, the compression adjusting assembly is used for adjusting the air pressure in the air storage chamber, the adjustment is more convenient, and the bearing and buffering effects are improved.

In summary, the following technical problems exist in the prior art: the shock absorber is easy to generate heat when subjected to high-frequency jolting, thereby affecting the shock absorbing efficiency, and the damping force of the shock absorber cannot be adjusted, so that the shock absorber with high tightness is provided.

Disclosure of Invention

The present utility model is directed to a shock absorber with high sealing performance, which solves the above-mentioned problems of the prior art.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a high leakproofness bumper shock absorber, includes the barrel, the inside of barrel is provided with the piston, and the inside of piston has seted up piston oil extraction passageway, a rebound valve is installed to the one end of oil extraction passageway, oil return passageway has still been seted up to the inside of piston, and the one end of oil return passageway installs b rebound valve, one side of piston is connected with the piston rod, and the one end of piston rod is fixed with the go-between, the outer wall of piston rod is close to the one end of go-between and is fixed with the roof, and one side of roof is provided with the spring, the oil storehouse has been seted up to the inside of barrel, and one side of oil storehouse is provided with floating piston, the opposite side of floating piston is provided with the gas storehouse, the one end of barrel is connected with the connecting block, leak protection sealing washer is installed to the other end of barrel, and leak protection sealing washer's external connection has sealed lid, sealed lid's inside is provided with dustproof sealing washer, the outer wall one side of barrel is fixed with miniature water pump, and be connected with the raceway, the water inlet of miniature water pump is connected with the suction pipe, and the one end of suction pipe is connected with the water pump, and the gas pump is connected with the outer wall of gas storehouse, the gas pump is connected with the gas pump.

Preferably, a sliding structure is formed between the piston and the cylinder, and the piston is tightly attached to the cylinder.

Preferably, a sliding structure is formed between the floating piston and the cylinder, and the floating piston is tightly attached to the cylinder.

Preferably, the miniature water pump is communicated with the annular water sprayer through a water pipe, and the miniature water pump is connected with the cylinder body in a welded mode.

Preferably, the miniature water pump is communicated with the water bin through a water suction pipe, and the water bin is fixedly connected with the cylinder.

Preferably, the air bin is communicated with the miniature air pump through an air pipe, and the miniature air pump is fixedly connected with the cylinder.

Preferably, the air valve is communicated with the air bin, and the air valve is connected with the air bin in a sealing way.

The above description shows that, by the above technical solution of the present application, the technical problem to be solved by the present application can be necessarily solved.

Meanwhile, through the technical scheme, the utility model has at least the following beneficial effects:

the cylinder is internally provided with the piston, the tire transmits force to the piston rod through the connecting ring, the spring can absorb a part of force, the piston rod is forced to push the piston to move, under the influence of the pressure, damping oil in the oil bin rushes out of the a rebound valve through the oil discharge channel to flow to the piston, in the process, a part of force is consumed, when jolting is serious, the damping oil can push the floating piston to compress air in the air bin due to potential energy of the damping oil, so that a part of force is stored, when jolting is finished, the air in the air bin pushes the floating piston to rebound to release a part of force, meanwhile, the spring also releases the absorbed force to drive the piston rod to retreat and drive the piston to retreat, the damping oil is extruded to push out of the b rebound valve through the oil return channel to return to the original position, and the retreating speed of the piston rod is reduced due to the smaller diameter of the oil return channel, so that the shock absorber is connected with the vehicle body through the connecting block.

The anti-leakage sealing ring can prevent damping oil from leaking, the sealing cover can further seal the cylinder under the pressure of the spring, the anti-leakage sealing ring is combined with the cylinder tightly to prevent leakage, the anti-dust sealing ring can prevent the piston rod from bringing external dust into the oil bin during movement, the miniature water pump can pump water from the water bin through the water pumping pipe and convey the water into the annular water sprayer through the water conveying pipe, and the annular water sprayer can spray water and cool the outer wall of the cylinder.

The miniature air pump can pressurize the air bin through the air pipe, the air valve can decompress the air bin through deflating the air bin, and the miniature air pump and the air valve can regulate the damping force of the shock absorber according to the requirement of a user.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic side cross-sectional view of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

FIG. 4 is a schematic view of an annular sprinkler according to the present utility model;

in the figure: 1. a cylinder; 2. a piston; 3. an oil discharge channel; 4. a rebound valve; 5. an oil return passage; 6. b a rebound valve; 7. a piston rod; 8. a leak-proof seal ring; 9. sealing cover; 10. a dust-proof sealing ring; 11. a spring; 12. a top plate; 13. a connecting ring; 14. an oil bin; 15. a floating piston; 16. a gas bin; 17. a micro water pump; 18. a water pipe; 19. a water pumping pipe; 20. a water bin; 21. an annular water sprayer; 22. a micro air pump; 23. a gas pipe; 24. an air valve; 25. and (5) connecting a block.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Example 1

As shown in fig. 1 and 2, the present utility model provides a technical solution: the high-tightness shock absorber comprises a cylinder body 1, wherein a piston 2 is arranged in the cylinder body 1, a piston oil discharge channel 3 is arranged in the piston 2, an a rebound valve 4 is arranged at one end of the oil discharge channel 3, an oil return channel 5 is also arranged in the piston 2, a b rebound valve 6 is arranged at one end of the oil return channel 5, a piston rod 7 is connected to one side of the piston 2, a connecting ring 13 is fixed to one end of the piston rod 7, a top plate 12 is fixed to one end of the outer wall of the piston rod 7, which is close to the connecting ring 13, a spring 11 is arranged on one side of the top plate 12, an oil bin 14 is arranged in the cylinder body 1, a floating piston 15 is arranged on one side of the oil bin 14, an air bin 16 is arranged on the other side of the floating piston 15, a connecting block 25 is connected to one end of the cylinder body 1, a sliding structure is formed between the piston 2 and the cylinder body 1, the piston 2 is tightly attached to the cylinder body 1, a sliding structure is formed between the floating piston 15 and the cylinder body 1, the floating piston 15 is tightly attached to the cylinder body 1, the piston 2 is arranged in the cylinder body 1, the tire transmits force to the piston rod 7 through the connecting ring 13, the spring 11 can absorb a part of force, the piston rod 7 is forced to push the piston 2 to move, under the influence of the pressure, damping oil in the oil bin 14 is flushed out of the a rebound valve 4 through the oil discharge channel 3 to flow to the piston 2, in the process, a part of force is consumed, when jolting is serious, the damping oil can push the floating piston 15 to compress air in the air bin 16 due to potential energy of the damping oil, so that a part of force is stored, when jolting is finished, the air in the air bin 16 pushes the floating piston 15 to rebound to release a part of force, meanwhile, the spring 11 also releases the absorbed force to drive the piston rod 7 to retract, the piston 2 is extruded to flush out of the b rebound valve 6 through the oil return channel 5 to return to the original position, since the oil return passage 5 has a small diameter, the speed of the retraction of the piston rod 7 is reduced, thereby achieving a shock absorbing effect, and the connection block 25 enables the shock absorber to be connected to the vehicle body.

Example two

The scheme in the first embodiment is further described below in conjunction with a specific working manner, and the details are described below:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, as a preferred embodiment, further, the other end of the cylinder 1 is provided with a leak-proof sealing ring 8, the outside of the leak-proof sealing ring 8 is connected with a sealing cover 9, the inside of the sealing cover 9 is provided with a dustproof sealing ring 10, one side of the outer wall of the cylinder 1 is fixed with a micro water pump 17, the water outlet of the micro water pump 17 is connected with a water delivery pipe 18, one end of the water delivery pipe 18 is connected with an annular water sprayer 21, the water inlet of the micro water pump 17 is connected with a water suction pipe 19, one end of the water suction pipe 19 is connected with a water bin 20, the micro water pump 17 is communicated with the annular water sprayer 21 through the water delivery pipe 18, the micro water pump 17 is in welded connection with the cylinder 1 and is communicated with the water bin 20 through the water suction pipe 19, the water bin 20 is fixedly connected with the cylinder 1, the leak-proof sealing ring 8 can prevent damping oil from leaking, meanwhile, the sealing cover 9 can further seal the cylinder 1 under the pressure of the spring 11, and the leak-proof sealing ring 10 can prevent the outside dust from being brought into the oil delivery bin 14 during movement, the micro water pump 17 can be prevented from leaking through the water delivery pipe 21, and can cool down the annular water sprayer 21 through the water suction pipe 21.

As shown in fig. 1, 2 and 3, as a preferred embodiment, further, on the basis of the above mode, a micro air pump 22 is fixed on the other side of the outer wall of the cylinder 1, an air pipe 23 is connected to an air outlet of the micro air pump 22, an air valve 24 penetrates through the interior of the air chamber 16, the air chamber 16 is communicated with the micro air pump 22 through the air pipe 23, the micro air pump 22 is fixedly connected with the cylinder 1, the air valve 24 is communicated with the air chamber 16, the air valve 24 is in sealing connection with the air chamber 16, the micro air pump 22 can pressurize the air chamber 16 through the air pipe 23, the air valve 24 can decompress the air chamber 16 through deflating, and both can adjust the damping force of the shock absorber according to the requirement of a user.

From the above, it can be seen that:

the utility model aims at the technical problems that: the shock absorber is easy to generate heat when subjected to high-frequency jolting, thereby affecting the shock absorption efficiency, and the damping force of the shock absorber cannot be adjusted; the technical scheme of each embodiment is adopted. Meanwhile, the implementation process of the technical scheme is as follows:

as a high-tightness shock absorber, the device has the shock absorbing function of a common shock absorber, the piston 2 is arranged in the cylinder body 1, the piston 2 is connected with the piston rod 7, when jolting is carried out, the tire transmits force to the piston rod 7 through the connecting ring 13, the top plate 12 is fixed on the outer wall of the piston rod 7, therefore, the spring 11 can absorb a part of force, the piston rod 7 is forced to push the piston 2 to move, under the influence of the force, damping oil in the oil bin 14 blows the a rebound valve 4 to the piston 2 through the oil discharge channel 3, a part of force is consumed in the process, when jolting is serious, the damping oil can push the floating piston 15 to compress air in the air bin 16 due to the potential energy of the damping oil, so as to store a part of force, when jolting is finished, the air in the air bin 16 pushes the floating piston 15 to rebound to release a part of force, simultaneously, the spring 11 releases the absorbed force to drive the piston rod 7 to retreat and drive the piston 2 to retreat, damping oil is extruded to rush b the rebound valve 6 to return to the original position through the oil return channel 5, the speed of retreating the piston rod 7 can be reduced due to the smaller diameter of the oil return channel 5, thereby achieving the damping effect, one end of the cylinder 1 is fixed with the sealing cover 9, the sealing cover 9 is internally provided with the anti-leakage sealing ring 8 to prevent the damping oil from overflowing, simultaneously the sealing cover 9 is released from the spring 11, therefore, the spring 11 can exert force on the sealing cover 9 to prevent the sealing cover 9 from being insufficiently tight, simultaneously the sealing cover 9 is contacted with the piston rod 7 through the dustproof sealing ring 10, thereby preventing dust stained on the surface of the piston rod 7 from being brought into the oil bin 14, the outer wall of the cylinder 1 is fixed with the micro water pump 17, the micro water pump 17 pumps water from the water bin 20 through the water pumping pipe 19, is conveyed into the annular water sprayer 21 through the water conveying pipe 18. The annular water sprayer 21 cools the cylinder 1, so that the shock absorber heat caused by frequent jolting is prevented from affecting the performance, the miniature air pump 22 can pressurize the air chamber 16 through the air pipe 23, the air valve 24 can enable the air chamber 16 to deflate for decompression, the effect of adjusting the shock absorber to change damping force is achieved, and the connecting block 25 is connected with the objects to be damped.

Through above-mentioned setting, this application must solve above-mentioned technical problem, simultaneously, realizes following technical effect:

the leak protection sealing washer 8 can prevent that damping oil from revealing, and sealed lid 9 can further seal up barrel 1 under the pressure of spring 11 simultaneously, and make leak protection sealing washer 8 and barrel 1 combine inseparabler prevent revealing, and dustproof sealing washer 10 then can prevent that piston rod 7 from bringing external dust into oil storehouse 14 when the motion, miniature water pump 17 can take water from water storehouse 20 through drinking-water pipe 19 in to carry to annular sprinkler 21 in through raceway 18, annular sprinkler 21 can carry out watering cooling to barrel 1 outer wall.

The micro air pump 22 can pressurize the air chamber 16 through the air pipe 23, and the air valve 24 can depressurize the air chamber 16 by deflating the air chamber, both of which can adjust the damping force of the shock absorber according to the requirement of the user.

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

Claims

1. A high tightness damper comprising: barrel (1), its characterized in that, the inside of barrel (1) is provided with piston (2), and piston oil extraction passageway (3) have been seted up to the inside of piston (2), a rebound valve (4) are installed to the one end of oil extraction passageway (3), oil return passageway (5) have still been seted up to the inside of piston (2), and b rebound valve (6) are installed to the one end of oil return passageway (5), one side of piston (2) is connected with piston rod (7), and the one end of piston rod (7) is fixed with go-between (13), the outer wall of piston rod (7) is close to the one end of go-between (13) and is fixed with roof (12), and one side of roof (12) is provided with spring (11), oil storehouse (14) have been seted up to the inside of barrel (1), and one side of oil storehouse (14) is provided with floating piston (15), the opposite side of floating piston (15) is provided with air storehouse (16), the one end of barrel (1) is connected with connecting block (25), leak protection sealing washer (8) are installed to the other end of barrel (1), and the one side of leak protection sealed lid (8) is fixed with go-between (9), one side of the outside of sealing washer (10) is provided with miniature water pump (17), and the delivery port of miniature water pump (17) is connected with raceway (18), the one end of raceway (18) is connected with annular sprinkler (21), the water inlet of miniature water pump (17) is connected with drinking-water pipe (19), and the one end of drinking-water pipe (19) is connected with sump (20), the outer wall opposite side of barrel (1) is fixed with miniature air pump (22), and the gas outlet of miniature air pump (22) is connected with gas-supply pipe (23), the inside of gas sump (16) is run through and is gone out has pneumatic valve (24).

2. A shock absorber with high tightness according to claim 1, characterized in that a sliding structure is formed between the piston (2) and the cylinder (1), and the piston (2) is tightly attached to the cylinder (1).

3. A shock absorber with high tightness according to claim 1, characterized in that a sliding structure is formed between the floating piston (15) and the cylinder (1), and the floating piston (15) is tightly attached to the cylinder (1).

4. A shock absorber with high tightness according to claim 1, characterized in that said micro water pump (17) is connected to the annular water sprayer (21) by means of a water pipe (18), and that the micro water pump (17) is welded to the cylinder (1).

5. The high-tightness damper according to claim 1, wherein the miniature water pump (17) is communicated with the water sump (20) through a water suction pipe (19), and the water sump (20) is fixedly connected with the cylinder (1).

6. The high-tightness damper according to claim 1, wherein the air chamber (16) is communicated with the micro air pump (22) through an air pipe (23), and the micro air pump (22) is fixedly connected with the cylinder (1).

7. A shock absorber with high tightness according to claim 1, characterized in that said gas valve (24) is in communication with the gas reservoir (16) and that the gas valve (24) is in sealing connection with the gas reservoir (16).