CN215567591U - Front-leaning car dumper shock absorber - Google Patents
Front-leaning car dumper shock absorber Download PDFInfo
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- CN215567591U CN215567591U CN202121973341.9U CN202121973341U CN215567591U CN 215567591 U CN215567591 U CN 215567591U CN 202121973341 U CN202121973341 U CN 202121973341U CN 215567591 U CN215567591 U CN 215567591U
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Abstract
The utility model relates to a front-leaning tippler shock absorber, which comprises an oil cylinder, wherein a damping adjusting device, an oil storage device and a shock absorbing device are arranged on the oil cylinder, the damping adjusting device comprises a spring, a first mounting seat, an upper hanging ring, a second mounting seat, a lower hanging ring, a piston rod and an adjusting nut, the first mounting seat is connected with the top of the oil cylinder, one end of the piston rod is connected with the second mounting seat, the other end of the piston rod penetrates through the oil cylinder, the upper hanging ring and the lower hanging ring are respectively arranged on the upper surface of the first mounting seat and the lower surface of the second mounting seat, the spring is arranged outside the oil cylinder and the piston rod, one end of the spring is connected with the second mounting seat, the other end of the spring is connected with the adjusting nut, and the adjusting nut is sleeved outside the oil cylinder in a threaded manner. According to the utility model, by arranging the damping adjusting device, the initial compression length of the spring can be adjusted by rotating the adjusting nut, and the compression length of the spring is adjusted when the tippler vibrates up and down, so that the damping force of the tippler is suitable for tipplers of different models.
Description
Technical Field
The utility model relates to the technical field of damping devices, in particular to a front-leaning dumper damper.
Background
When the shock absorber passes through the uneven road surface, although the shock absorbing spring can filter the shock of the road surface, the spring can still reciprocate, and the shock absorber is used for inhibiting the spring from jumping. In the compression stroke (the axle and the frame are close to each other), the damping force of the shock absorber is small, so that the elastic action of the elastic element is fully exerted, and the impact is relieved; during the suspension extension stroke (the axle and the frame are far away from each other), the damping force of the shock absorber should be large, and shock absorption can be rapidly carried out.
Patent number CN200620141855.7 discloses a barrel type hydraulic shock absorber with a floating piston, in this patent, different models of tipplers need shock absorbers with different damping forces, but the damping force in this patent cannot be adjusted, and the application range is small; in addition, when the piston in the oil cylinder moves downwards, because the piston rod exists in the upper cavity, the increased volume of the upper cavity is smaller than the decreased volume of the lower cavity, so that the pressure in the lower cavity is increased, and oil leakage are easy to occur; meanwhile, the damping force of the shock absorber cannot be reduced in a compression stroke and increased in an extension stroke, and a new solution is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides a front-leaning tippler shock absorber to solve the technical problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a front-leaning tippler shock absorber comprises an oil cylinder, wherein a damping adjusting device, an oil storage device and a shock absorbing device are arranged on the oil cylinder, the damping adjusting device comprises a spring, a first mounting seat, an upper lifting ring, a second mounting seat, a lower lifting ring, a piston rod and an adjusting nut, the first mounting seat is connected with the top of the oil cylinder, one end of the piston rod is connected with the second mounting seat, the other end of the piston rod penetrates through the oil cylinder, the upper lifting ring and the lower lifting ring are respectively arranged on the upper surface of the first mounting seat and the lower surface of the second mounting seat, the spring is arranged outside the oil cylinder and the piston rod, one end of the spring is connected with the second mounting seat, the other end of the spring is connected with the adjusting nut, and the adjusting nut is sleeved outside the oil cylinder in a threaded manner; the oil storage device comprises an oil storage tank, a first sealing seat and a second sealing seat, wherein the first sealing seat and the second sealing seat are respectively arranged at the top and the bottom of the oil storage tank, and the first sealing seat is connected with a first mounting seat.
Preferably, the damping device comprises a first piston, the first piston is provided with a plurality of liquid through holes, and the first piston is connected with the oil cylinder in a sliding manner. The design of the damping device can reduce the vibration generated when the elastic element rebounds after buffering the tipper, so that the elastic element is fast and stable.
In a further preferred aspect, a first oil baffle is disposed on the piston rod, and the first oil baffle is disposed below the first piston. The design of the first oil baffle plate is that when the first piston moves upwards, namely the elastic element buffers the car dumper, oil enters the lower cavity through the liquid through hole, when the first piston moves downwards, namely the elastic element rebounds, the oil enters the liquid through the gap between the first oil baffle plate and the first piston and then enters the upper cavity, the damping force of the downward movement of the first piston is larger than that of the upward movement, the elastic element keeps the stroke of the car dumper when buffering, and the stroke of the elastic element when rebounding is reduced.
In a further preferred embodiment, a second piston is provided in the oil reservoir, the second piston being slidably connected to the oil reservoir. And due to the design of the second piston, when oil enters the oil storage tank from the oil cylinder, the second piston is pushed to move downwards, and air in the lower cavity of the oil storage tank is compressed.
Preferably, a second oil baffle is arranged in the oil storage tank, and a plurality of liquid passing grooves are formed in the second oil baffle. This design can increase the resistance when fluid passes through, makes first piston be difficult for removing, realizes the shock attenuation to elastic element.
In a further preferred mode, the first piston and the second piston are both provided with grooves, and the grooves are both provided with first sealing gaskets. The design can improve the sealing performance between the first piston and the oil cylinder and between the second piston and the oil storage tank.
In a further preferred mode, second sealing gaskets are arranged at the joint of the oil storage tank and the first sealing seat and the second sealing seat, the joint of the oil cylinder and the first mounting seat and the joint of the piston rod and the oil cylinder. The design can improve the sealing performance of the oil cylinder and the oil storage tank.
In a further preferred mode, the oil storage tank and the oil cylinder are communicated through the first seal seat and the first mounting seat. The design can make the oil convenient to circulate between the oil storage tank and the oil cylinder.
In a further preferred mode, the bottom of the second sealing seat is provided with an air outlet hole. The air outlet hole is designed, when the second piston moves downwards, air is discharged through the air outlet hole, and when the second piston moves upwards, air enters through the air outlet hole, so that the pressure stability of the oil storage tank can be maintained.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the damping adjusting device is arranged, and the adjusting nut is rotated to adjust the initial compression length of the spring, so that the compression length of the spring when the tippler vibrates up and down is adjusted, and the damping force of the tippler is suitable for tipplers of different models; in addition, by arranging the oil storage device, when the spring is compressed, the first piston moves upwards to push redundant oil into the oil storage tank, and when the spring is restored and stretched, the oil returns to the upper cavity of the oil cylinder from the oil storage tank, so that the pressure in the oil cylinder is stable, and the oil leakage and oil seepage situations are avoided; and meanwhile, the damping device is arranged, so that the vibration generated when the elastic element rebounds after buffering the car dumper can be reduced, and the elastic element is fast and stable.
Drawings
FIG. 1 is a schematic view of the overall structure of a front tipping tippler shock absorber according to the present invention;
FIG. 2 is an exploded view of the shock absorbing device of the present invention;
fig. 3 is an exploded view of the oil storage device of the present invention.
In the figure: 1. an oil cylinder; 2. a spring; 3. a first mounting seat; 4. an upper hanging ring; 5. a second mounting seat; 6. a lower lifting ring; 7. a piston rod; 8. adjusting the nut; 9. an oil storage tank; 10. a first seal seat; 11. a second seal seat; 12. a first piston; 13. a liquid through hole; 14. a first oil baffle plate; 15. a second piston; 16. a second oil baffle; 17. a liquid introducing groove; 18. a groove; 19. a first gasket; 20. a second gasket; 21. and an air outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to fig. 1-3, a front tilting car dumper shock absorber comprises an oil cylinder 1, wherein a damping adjusting device, an oil storage device and a shock absorbing device are arranged on the oil cylinder 1, the damping adjusting device comprises a spring 2, a first mounting seat 3, an upper lifting ring 4, a second mounting seat 5, a lower lifting ring 6, a piston rod 7 and an adjusting nut 8, the first mounting seat 3 is connected with the top of the oil cylinder 1, one end of the piston rod 7 is connected with the second mounting seat 5, the other end of the piston rod penetrates through the oil cylinder 1, the upper lifting ring 4 and the lower lifting ring 6 are respectively arranged on the upper surface of the first mounting seat 3 and the lower surface of the second mounting seat 5, the spring 2 is arranged outside the oil cylinder 1 and the piston rod 7, one end of the spring is connected with the second mounting seat 5, the other end of the spring is connected with the adjusting nut 8, and the adjusting nut 8 is sleeved outside the oil cylinder 1 in a threaded manner; the oil storage device comprises an oil storage tank 9, a first sealing seat 10 and a second sealing seat 11, the first sealing seat 10 and the second sealing seat 11 are respectively arranged at the top and the bottom of the oil storage tank 9, and the first sealing seat 10 is connected with the first mounting seat 3. And second sealing gaskets 20 are arranged at the joints of the oil storage tank 9, the first sealing seat 10 and the second sealing seat 11, the joints of the oil cylinder 1 and the first mounting seat 3 and the joints of the piston rod 7 and the oil cylinder 1.
In this embodiment, the damping device includes a first piston 12, the first piston 12 is provided with a plurality of fluid holes 13, and the first piston 12 is slidably connected to the cylinder 1. The piston rod 7 is provided with a first oil baffle 14, and the first oil baffle 14 is arranged below the first piston 12. The oil storage tank 9 is communicated with the oil cylinder 1 through the first sealing seat 10 and the first mounting seat 3. When the automobile oil storage tank is used, when the road surface is uneven and the axle and the frame are close to each other, namely the elastic element is compressed, the piston rod 7 drives the first piston 12 to move upwards, oil in the upper cavity of the oil cylinder 1 enters the lower cavity through the liquid through hole 13 and a gap between the first oil baffle plate 14 and the first piston 12, the reduced volume of the upper cavity is larger than the increased volume of the lower cavity due to the piston rod 7 in the lower cavity, and redundant oil enters the oil storage tank 9 through the first mounting seat 3 and the first sealing seat 10; when the axle and the frame are far away from each other, namely when the elastic element rebounds, the piston rod 7 drives the first piston 12 to move downwards, oil in the lower cavity of the oil cylinder 1 enters the upper cavity of the oil cylinder 1 through the gap between the first oil baffle plate 14 and the first piston 12 and the liquid through hole 13, and the oil enters the upper cavity of the oil cylinder 1 from the oil storage tank 9 because the increased volume of the upper cavity is larger than the reduced volume of the lower cavity.
In this embodiment, a second piston 15 is provided in the oil tank 9, and the second piston 15 and the oil tank 9 are slidably connected. A second oil baffle 16 is arranged in the oil storage tank 9, and a plurality of liquid through grooves 17 are arranged on the second oil baffle 16. Grooves 18 are formed in the first piston 12 and the second piston 15, and first sealing gaskets 19 are arranged in the grooves 18. In use, oil in the cylinder 1 enters the oil storage tank 9 through the liquid passing groove 17 on the second oil baffle plate 16, and pushes the second piston 15 to move downwards.
In this embodiment, the bottom of the second sealing seat 11 is provided with an air outlet 21. In use, the second piston 15 moves downwardly to compress air in the lower chamber of the reservoir 9 to be discharged through the outlet aperture 21.
Example 2:
when the automobile oil storage tank is used, when the road surface is uneven and the axle and the frame are close to each other, namely the elastic element is compressed, the piston rod 7 drives the first piston 12 to move upwards, oil in the upper cavity of the oil cylinder 1 enters the lower cavity through the liquid through hole 13 and a gap between the first oil baffle plate 14 and the first piston 12, the reduced volume of the upper cavity is larger than the increased volume of the lower cavity due to the piston rod 7 in the lower cavity, and redundant oil enters the oil storage tank 9 through the first mounting seat 3 and the first sealing seat 10; when the axle and the frame are far away from each other, namely when the elastic element rebounds, the piston rod 7 drives the first piston 12 to move downwards, oil in the lower cavity of the oil cylinder 1 enters the upper cavity of the oil cylinder 1 through a gap between the first oil baffle plate 14 and the first piston 12 and the liquid through hole 13, and the oil enters the upper cavity of the oil cylinder 1 from the oil storage tank 9 because the increased volume of the upper cavity is larger than the reduced volume of the lower cavity; when first piston 12 moves upwards, under the resistance of fluid, the gap grow between first oil baffle 14 and first piston 12, the resistance that fluid passes through is less, when first piston 12 moves downwards, under the resistance of fluid, the gap between first oil baffle 14 and first piston 12 diminishes, the resistance that makes fluid pass through is great, realize when elastic element cushions, the damping force of bumper shock absorber is little, be convenient for exert elastic element's elastic action, when elastic element kick-backs, the damping force of bumper shock absorber is big, shock attenuation rapidly.
Example 3:
when the oil storage tank is used, oil enters the top of the oil storage tank 9 from the oil cylinder 1 through the first mounting seat 3 and the first sealing seat 10, then enters the oil storage tank 9 through the liquid passing groove 17 on the second oil baffle plate 16, pushes the second piston 15 to move downwards, and discharges air in the lower cavity of the oil storage tank 9 through the air outlet hole 21; when the first piston 12 moves downwards, the oil in the oil cylinder 1 is not enough to fill the whole oil cylinder 1, air enters the lower cavity of the oil storage tank 9 through the air outlet 21, the second piston 15 is pushed to move upwards, and the oil enters the upper cavity of the oil cylinder 1 through the liquid passing groove 17, the first sealing seat 10 and the first mounting seat 3.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a formula tipper bumper shock absorber that leans forward, includes hydro-cylinder (1), its characterized in that: the damping device comprises a spring (2), a first mounting seat (3), an upper lifting ring (4), a second mounting seat (5), a lower lifting ring (6), a piston rod (7) and an adjusting nut (8), wherein the first mounting seat (3) is connected with the top of the oil cylinder (1), one end of the piston rod (7) is connected with the second mounting seat (5), the other end of the piston rod penetrates through the oil cylinder (1), the upper lifting ring (4) and the lower lifting ring (6) are respectively arranged on the upper surface of the first mounting seat (3) and the lower surface of the second mounting seat (5), the spring (2) is arranged outside the oil cylinder (1) and the piston rod (7), one end of the spring is connected with the second mounting seat (5), and the other end of the spring is connected with the adjusting nut (8), the adjusting nut (8) is sleeved outside the oil cylinder (1) in a threaded manner; the oil storage device comprises an oil storage tank (9), a first sealing seat (10) and a second sealing seat (11), wherein the first sealing seat (10) and the second sealing seat (11) are respectively arranged at the top and the bottom of the oil storage tank (9), and the first sealing seat (10) is connected with a first mounting seat (3).
2. The front tipping tippler shock absorber of claim 1, wherein: the damping device comprises a first piston (12), a plurality of liquid through holes (13) are formed in the first piston (12), and the first piston (12) is connected with the oil cylinder (1) in a sliding mode.
3. The front tipping tippler shock absorber of claim 2, wherein: the piston rod (7) is provided with a first oil baffle plate (14), and the first oil baffle plate (14) is arranged below the first piston (12).
4. The front tipping tippler shock absorber of claim 2, wherein: and a second piston (15) is arranged in the oil storage tank (9), and the second piston (15) is connected with the oil storage tank (9) in a sliding manner.
5. The front tipping tippler shock absorber of claim 1, wherein: and a second oil baffle (16) is arranged in the oil storage tank (9), and a plurality of liquid passing grooves (17) are formed in the second oil baffle (16).
6. The front tipping tippler shock absorber of claim 4, wherein: the piston is characterized in that grooves (18) are formed in the first piston (12) and the second piston (15), and first sealing gaskets (19) are arranged in the grooves (18).
7. The front tipping tippler shock absorber of claim 1, wherein: the oil storage tank (9) with the junction of first seal receptacle (10) and second seal receptacle (11) hydro-cylinder (1) with the junction of first mount pad (3) and piston rod (7) with the junction of hydro-cylinder (1) all is equipped with the sealed pad (20) of second.
8. The front tipping tippler shock absorber of claim 1, wherein: the oil storage tank (9) is communicated with the oil cylinder (1) through a first sealing seat (10) and a first mounting seat (3).
9. The front tipping tippler shock absorber of claim 1, wherein: and an air outlet (21) is formed in the bottom of the second sealing seat (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121973341.9U CN215567591U (en) | 2021-08-22 | 2021-08-22 | Front-leaning car dumper shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121973341.9U CN215567591U (en) | 2021-08-22 | 2021-08-22 | Front-leaning car dumper shock absorber |
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| Publication Number | Publication Date |
|---|---|
| CN215567591U true CN215567591U (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121973341.9U Active CN215567591U (en) | 2021-08-22 | 2021-08-22 | Front-leaning car dumper shock absorber |
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| Country | Link |
|---|---|
| CN (1) | CN215567591U (en) |
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2021
- 2021-08-22 CN CN202121973341.9U patent/CN215567591U/en active Active
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