Motorcycle spring hydraulic damping shock absorber

Abstract

The utility model relates to the technical field of shock absorbers, in particular to a motorcycle spring hydraulic damping shock absorber which comprises a piston cylinder, a spring and a piston rod. An inner cylinder is arranged in the piston cylinder, a piston block is arranged at the end of the piston rod and slidably connected with the inner wall of the inner cylinder, a first liquid bin is arranged in the inner cylinder, and a second liquid bin is arranged in the piston cylinder. An isolating ring is slidably arranged on the peripheral surface of the inner cylinder; a fixing plate is arranged at the end of the inner cylinder and provided with a plurality of through holes, and the piston cylinder is provided with an adjusting mechanism. The piston cylinder is provided with a first mounting plate, the piston rod is provided with a second mounting plate, the spring sleeves the piston cylinder, and two ends of the spring are respectively connected with the first mounting plate and the second mounting plate. According to the utility model, the size of the through hole can be adjusted through the adjusting mechanism to further adjust the passing speed of the liquid, so that the damping of the shock absorber can be adjusted, and the shock absorber can be correspondingly adjusted according to different use conditions.

Description

Technical Field

[0001] The utility model relates to the technical field of shock absorbers, in particular to a motorcycle spring hydraulic damping shock absorber. Background Technique

[0002] Shock absorbers are mainly used to suppress the oscillation after the spring absorbs shock and the impact from the road surface. In order to relieve and attenuate the impact and vibration suffered by a motorcycle during driving due to uneven road surfaces, ensure the smoothness and comfort of driving, and be beneficial to improving the service life and handling stability of the motorcycle, shock absorbers are provided on motorcycles, and hydraulics are commonly used buffer structures in existing motorcycle shock absorbers.

[0003] Chinese Patent with publication number CN117128277A discloses a motorcycle shock absorber, including a monitoring component for monitoring the impact force received by the piston cylinder. The monitoring component includes a hollow ring member fixedly installed at the top of the piston cylinder. A sliding block and a pushing block are slidably installed in the hollow ring member. A connecting block is provided on the inner side of the hollow ring member. A connecting member is slidably inserted into the connecting block. The connecting member is fixedly connected to the pushing block. The bottom of the hollow ring member is fixedly connected to a conduit, and the conduit is communicated with the piston cylinder. In the present invention, by providing the monitoring component and the flow control component, at the first moment when the shock absorber is impacted, the flowing hydraulic oil enters the hollow ring member through the conduit to push the sliding block, and then the connecting member on the pushing block drives the rotating ring to rotate together. The connecting pipe on the rotating ring drives the flow control plate to rotate, and then the misalignment gap size between the fixing member and the through hole on the flow control plate is adjusted, so as to achieve the effect of automatically adjusting the damping.

[0004] However, in the motorcycle shock absorber of the above solution, the liquid flow rate is adjusted by adjusting the misalignment gap between the flow control plate and the fixing member. However, there will be residual liquid when the liquid passes between the flow control plate and the fixing member, so there will be residual liquid between the flow control plate and the fixing member, which affects the liquid flow and is not convenient to use. Content of the Utility Model

[0005] The purpose of the present utility model is to propose a motorcycle spring hydraulic damping shock absorber for the problems existing in the background technique.

[0006] The technical solution of the present utility model: A motorcycle spring hydraulic damping shock absorber includes a piston cylinder, a spring and a piston rod;

[0007] An inner cylinder is provided in the piston cylinder. The inner cylinder and the piston cylinder are coaxially distributed. A piston block is provided at the end of the piston rod. The piston block is slidably connected to the inner wall of the inner cylinder. A first liquid chamber is provided in the inner cylinder, and a second liquid chamber is provided in the piston cylinder;

[0008] An isolation ring is slidably provided on the outer peripheral surface of the inner cylinder. The isolation ring is located in the second liquid chamber, and the outer peripheral surface of the isolation ring is pressed against the inner wall of the piston cylinder;

[0009] The end of the inner cylinder is provided with a fixing plate which is provided with a plurality of through holes. The through holes communicate the first liquid chamber and the second liquid chamber. An adjusting mechanism for adjusting the size of the through holes is arranged in the piston cylinder;

[0010] The piston cylinder is provided with a first mounting plate, the piston rod is provided with a second mounting plate, a spring is sleeved outside the piston cylinder, and two ends of the spring are respectively connected to the first mounting plate and the second mounting plate.

[0011] Preferably, the adjusting mechanism includes a slide bar;

[0012] A partition plate is arranged in the piston cylinder. The lower part of the partition plate is an installation chamber. A plurality of slide bars are arranged. The plurality of slide bars are slidably connected to the partition plate. A lifting component for adjusting the heights of the plurality of slide bars is arranged in the installation chamber;

[0013] Thimble is arranged at the upper ends of the slide bars. The thimbles correspond to the through holes one by one, and the thimbles and the through holes are coaxially distributed.

[0014] Preferably, the outer diameter value of the thimble gradually decreases along the axial direction of the slide bar away from the slide bar.

[0015] Preferably, the lifting component includes a moving plate and a screw rod;

[0016] A guide rod is arranged in the installation chamber. The screw rod is rotatably connected to the installation chamber. The moving plate is slidably connected to the guide rod. The moving plate is in threaded fit with the screw rod. The plurality of slide bars are connected to the upper end of the moving plate. A driving component for driving the screw rod to rotate is arranged in the installation chamber.

[0017] Preferably, the driving component includes a knob;

[0018] A worm gear is arranged on the screw rod. A worm is rotatably arranged in the installation chamber. The worm is meshed with the worm gear;

[0019] A driven wheel is arranged on the worm. A connecting rod is rotatably arranged in the installation chamber. A driving wheel is arranged on the connecting rod. The driving wheel is meshed with the driven wheel. The connecting rod extends out of the piston cylinder. The knob is connected to the end of the connecting rod.

[0020] Preferably, a plurality of sealing rings a are arranged on the outer peripheral surface of the piston block.

[0021] Preferably, a plurality of sealing rings b are arranged on the outer peripheral surface of the isolation ring.

[0022] Compared with the prior art, the above technical solution of the utility model has the following beneficial technical effects:

[0023] 1. In the utility model, the size of the through hole can be adjusted through the adjusting mechanism to further adjust the liquid passing speed, that is, the damping size of the shock absorber can be adjusted, so that the shock absorber can be adjusted accordingly according to different usage conditions.

[0024] 2. In the present utility model, rotating the rotary knob drives the connecting rod and the driving wheel to rotate. The driving wheel drives the driven wheel and the worm to rotate. The worm drives the worm gear and the screw rod to rotate. The moving plate moves along the axial direction of the screw rod. The moving plate can drive a plurality of sliding rods to move along the axial direction of the piston cylinder. The adjusting mechanism is convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 FIG. 6 is a perspective view of a motorcycle spring hydraulic damper proposed by the present utility model.

[0026] Figure 2 FIG. 10 is a cross-sectional view of a motorcycle spring hydraulic damper proposed by the present utility model.

[0027] Figure 3 FIG. 14 is a schematic structural diagram of an adjusting mechanism in an embodiment proposed by the present utility model.

[0028] Reference numerals: 1, piston cylinder; 2, first mounting plate; 3, spring; 4, piston rod; 5, second mounting plate; 6, knob; 7, connecting rod; 8, piston block; 9, seal ring a; 10, isolation ring; 11, seal ring b; 12, thimble; 13, sliding rod; 14, through hole; 15, moving plate; 16, guide rod; 17, screw rod; 18, worm gear; 19, worm; 20, driven wheel; 21, fixed plate; 22, partition plate; 23, first liquid chamber; 24, second liquid chamber; 25, inner cylinder. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] Embodiment 1

[0030] As Figures 1-3 shown, a motorcycle spring hydraulic damper proposed by the present utility model includes a piston cylinder 1, a spring 3 and a piston rod 4;

[0031] An inner cylinder 25 is provided in the piston cylinder 1. The inner cylinder 25 and the piston cylinder 1 are coaxially distributed. A piston block 8 is provided at the end of the piston rod 4. The piston block 8 is slidably connected to the inner wall of the inner cylinder 25. A first liquid chamber 23 is provided in the inner cylinder 25. A second liquid chamber 24 is provided in the piston cylinder 1;

[0032] An isolation ring 10 is slidably provided on the outer peripheral surface of the inner cylinder 25. The isolation ring 10 is located in the second liquid chamber 24. The outer peripheral surface of the isolation ring 10 is pressed against the inner wall of the piston cylinder 1;

[0033] Furthermore, a plurality of seal rings a9 are provided on the outer peripheral surface of the piston block 8. A plurality of seal rings b11 are provided on the outer peripheral surface of the isolation ring 10;

[0034] A fixed plate 21 is provided at the end of the inner cylinder 25. The fixed plate 21 is provided with a plurality of through holes 14. The through holes 14 communicate the first liquid chamber 23 and the second liquid chamber 24. An adjusting mechanism for adjusting the size of the through holes 14 is provided in the piston cylinder 1;

[0035] The piston cylinder 1 is provided with a first mounting plate 2, the piston rod 4 is provided with a second mounting plate 5, the spring 3 is sleeved outside the piston cylinder 1, and two ends of the spring 3 are respectively connected to the first mounting plate 2 and the second mounting plate 5.

[0036] In the present utility model, the inner cylinder 25 is filled with liquid, the second liquid chamber 24 is filled with liquid near one end of the through hole 14, and gas is filled on the other side of the isolation ring 10. When the piston block 8 squeezes the liquid, the liquid enters the second liquid chamber 24 through the through hole 14. The size of the through hole can be adjusted by the adjusting mechanism to further adjust the liquid passing speed, that is, the damping size of the shock absorber can be adjusted, so that the shock absorber can be adjusted accordingly according to different usage situations.

[0037] Embodiment Two

[0038] As Figures 2-3 shown, a motorcycle spring hydraulic damping shock absorber proposed by the present utility model. Compared with Embodiment One, in this embodiment, the adjusting mechanism includes a sliding rod 13;

[0039] A partition plate 22 is arranged in the piston cylinder 1. Below the partition plate 22 is an installation chamber. There are multiple sliding rods 13, and the multiple sliding rods 13 are slidably connected to the partition plate 22. An elevating assembly for adjusting the heights of the multiple sliding rods 13 is arranged in the installation chamber;

[0040] Thimble 12 is provided at the upper end of each sliding rod 13. The thimble 12 corresponds to the through hole 14 one by one, and the thimble 12 and the through hole 14 are coaxially distributed.

[0041] Further, the outer diameter value of the thimble 12 gradually decreases along the axis direction of the sliding rod 13 away from the sliding rod 13.

[0042] In this embodiment, the elevating assembly drives the multiple sliding rods 13 and the thimbles 12 to move. When the thimble 12 gradually approaches the through hole 14, the through hole 14 gradually becomes smaller and the liquid passing speed becomes slower. On the contrary, when the thimble 12 moves away from the through hole 14, the liquid passing speed becomes faster, so that the damping size can be adjusted, and the shock absorber can be applicable to more scenarios.

[0043] Embodiment Three

[0044] As Figures 2-3 shown, a motorcycle spring hydraulic damping shock absorber proposed by the present utility model. Compared with Embodiment One, in this embodiment, the elevating assembly includes a moving plate 15 and a screw rod 17;

[0045] A guide rod 16 is arranged in the installation chamber. The screw rod 17 is rotatably connected to the installation chamber. The moving plate 15 is slidably connected to the guide rod 16. The moving plate 15 is in threaded fit with the screw rod 17. The multiple sliding rods 13 are connected to the upper end of the moving plate 15. A driving assembly for driving the screw rod 17 to rotate is arranged in the installation chamber.

[0046] The driving assembly includes a knob 6; a worm gear 18 is provided on the screw rod 17, and a worm 19 is rotatably provided in the installation chamber, and the worm 19 is meshed and connected with the worm gear 18;

[0047] A driven wheel 20 is provided on the worm 19, a connecting rod 7 is rotatably provided in the installation chamber, a driving wheel is provided on the connecting rod 7, the driving wheel is meshed and connected with the driven wheel 20, the outer diameter value of the driving wheel is smaller than the outer diameter value of the driven wheel 20, and the connecting rod 7 extends out of the piston cylinder 1, and the knob 6 is connected to the end of the connecting rod 7.

[0048] In this embodiment, rotating the knob 6 drives the connecting rod 7 and the driving wheel to rotate, the driving wheel drives the driven wheel 20 and the worm 19 to rotate, the worm 19 drives the worm gear 18 and the screw rod 17 to rotate, and the moving plate 15 moves along the axial direction of the screw rod 17, and the moving plate can drive a plurality of sliding rods 13 to move along the axial direction of the piston cylinder 1.

[0049] The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto. Various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art to which the present invention pertains.

Claims

1. A motorcycle spring hydraulic damping shock absorber, characterized in that, It includes a piston cylinder (1), a spring (3) and a piston rod (4); An inner cylinder (25) is provided inside the piston cylinder (1). The inner cylinder (25) is coaxially distributed with the piston cylinder (1). A piston block (8) is provided at the end of the piston rod (4). The piston block (8) is slidably connected to the inner wall of the inner cylinder (25). A first liquid chamber (23) is provided inside the inner cylinder (25), and a second liquid chamber (24) is provided inside the piston cylinder (1); An isolation ring (10) is slidably provided on the outer peripheral surface of the inner cylinder (25). The isolation ring (10) is located inside the second liquid chamber (24), and the outer peripheral surface of the isolation ring (10) is pressed against the inner wall of the piston cylinder (1); A fixing plate (21) is provided at the end of the inner cylinder (25). The fixing plate (21) is provided with a plurality of through holes (14). The through holes (14) communicate the first liquid chamber (23) and the second liquid chamber (24). An adjusting mechanism for adjusting the size of the through holes (14) is provided inside the piston cylinder (1); The piston cylinder (1) is provided with a first mounting plate (2), and the piston rod (4) is provided with a second mounting plate (5). The spring (3) is sleeved outside the piston cylinder (1), and the two ends of the spring (3) are respectively connected to the first mounting plate (2) and the second mounting plate (5).

2. The motorcycle spring hydraulic damping shock absorber according to claim 1, characterized in that, The adjusting mechanism includes a slide rod (13); A partition plate (22) is provided inside the piston cylinder (1). Below the partition plate (22) is an installation chamber. A plurality of slide rods (13) are provided. The plurality of slide rods (13) are slidably connected to the partition plate (22). An elevating assembly for adjusting the height of the plurality of slide rods (13) is provided inside the installation chamber; Top pins (12) are provided at the upper ends of the slide rods (13). The top pins (12) correspond to the through holes (14) one by one, and the top pins (12) are coaxially distributed with the through holes (14).

3. The motorcycle spring hydraulic damping shock absorber according to claim 2, characterized in that, The outer diameter value of the top pin (12) gradually decreases along the axial direction of the slide rod (13) away from the slide rod (13).

4. A motorcycle spring hydraulic damping shock absorber according to claim 2, characterized in that, The elevating assembly includes a moving plate (15) and a screw rod (17); A guide rod (16) is provided inside the installation chamber. The screw rod (17) is rotatably connected to the installation chamber. The moving plate (15) is slidably connected to the guide rod (16). The moving plate (15) is in threaded fit with the screw rod (17). The plurality of slide rods (13) are connected to the upper end of the moving plate (15). A driving assembly for driving the screw rod (17) to rotate is provided inside the installation chamber.

5. A motorcycle spring hydraulic damping shock absorber according to claim 4, characterized in that, The driving assembly includes a knob (6); A worm gear (18) is provided on the screw rod (17). A worm (19) is rotatably provided inside the installation chamber. The worm (19) is meshed with the worm gear (18); A driven wheel (20) is provided on the worm (19). A connecting rod (7) is rotatably provided inside the installation chamber. The connecting rod (7) is provided with a driving wheel. The driving wheel is meshed with the driven wheel (20). The connecting rod (7) extends out of the piston cylinder (1), and the knob (6) is connected to the end of the connecting rod (7).

6. A motorcycle spring hydraulic damping shock absorber according to claim 1, characterized in that, A plurality of sealing rings a (9) are provided on the outer peripheral surface of the piston block (8).

7. A motorcycle spring hydraulic damping shock absorber according to claim 1, characterized in that, A plurality of sealing rings b (11) are provided on the outer peripheral surface of the isolation ring (10).

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