A multi-piston damper adjustable shock absorber mechanism

Abstract

The utility model relates to the technical field of shock absorber, concretely to a kind of multiple piston damping adjustable shock absorber mechanism, including base, shock absorber cylinder, piston rod, adjusting assembly and preloading, the base upper portion is provided with shock absorber cylinder, the piston rod is also provided in the shock absorber cylinder, the piston rod upper portion is through the shock absorber cylinder, the preloading includes spring, lower ring and upper ring, the shock absorber cylinder and piston rod outside are equipped with the preloading, this multiple piston damping adjustable shock absorber mechanism, by the cooperation of "adjusting assembly+preloading", preloading force can be flexibly adjusted, hydraulic adjusting seat (annularly set shock absorber cylinder circumferential side) is standard hydraulic executing element, by adjusting switch control hydraulic oil in and out: clockwise rotation adjusting switch, hydraulic oil enters hydraulic adjusting seat, and adjustment ring is pushed vertically to rise;Counterclockwise rotation is then hydraulic oil backflow, and adjustment ring is lowered under the gravity of preloading.

Description

Technical Field

[0001] This utility model relates to the field of shock absorber technology, specifically to a multi-piston damping adjustable shock absorber mechanism. Background Technology

[0002] Shock absorbers are core mechanical components that suppress vibration and reduce impact. They are widely used in automobiles, machinery and equipment, construction, rail transportation and other fields, converting vibration energy into heat energy or other dissipable energy. Traditional shock absorbers only provide shock absorption and cannot adjust their preload, making them inconvenient to use. Furthermore, it is difficult to install preload adjustment components, resulting in lower user comfort. Summary of the Invention

[0003] (a) Technical problems to be solved To address the shortcomings of existing technologies, this utility model provides a multi-piston damping adjustable shock absorber mechanism.

[0004] (II) Technical Solution To achieve the above objectives, this utility model provides the following technical solution: a multi-piston damping adjustable shock absorber mechanism, comprising a base, a shock absorber cylinder, a piston rod, an adjustment assembly, and a preload component. The shock absorber cylinder is positioned above the base, and the piston rod is also positioned inside the shock absorber cylinder, with the piston rod extending through the shock absorber cylinder. The preload component includes a spring, a lower ring, and an upper ring. The preload component is sleeved on the outer side of the shock absorber cylinder and the piston rod. The upper and lower ends of the spring are respectively connected to the upper ring and the lower ring. The adjustment assembly is also positioned on the base, and an auxiliary component is positioned above the piston rod to abut against the upper ring. The adjustment assembly includes a hydraulic adjustment seat, an adjustment ring, and an adjustment switch. The hydraulic adjustment seat is also positioned on the base, and the hydraulic adjustment seat is annularly sleeved around the shock absorber cylinder. The adjustment ring is positioned at the output end of the hydraulic adjustment seat, and the upper part of the adjustment ring contacts the lower ring. An adjustment switch is also positioned around the periphery of the hydraulic adjustment seat.

[0005] To facilitate the limiting of the preload component, this utility model is improved in that the auxiliary component includes a mounting base, a guide block, a support ring, and a fixing component. The mounting base is provided above the piston rod, and two sets of guide grooves are provided below the mounting base. Two sets of support rings connected to the guide grooves are provided above the support rings. The mounting base is also provided with a fixing component connected to the support rings. The support rings are provided with a U-shaped notch adapted to the piston rod. The outer diameter of the mounting base is smaller than the inner diameter of the preload component.

[0006] Preferably, the guide block is T-shaped.

[0007] Preferably, the fastener includes a stud and an end, with the stud located below the end and a threaded groove on the support ring. The stud passes through the mounting base and is connected to the threaded groove.

[0008] Preferably, the end is a regular hexagon.

[0009] Preferably, the upper and lower rings are further provided with protective pads on the side away from the spring.

[0010] (III) Beneficial Effects Compared with the prior art, this utility model provides a multi-piston damping adjustable shock absorber mechanism, which has the following advantages: This multi-piston damping adjustable shock absorber mechanism can flexibly adjust the preload force through the cooperation of "adjustment component + preload component". The hydraulic adjustment seat (ring-shaped sleeve around the shock absorber cylinder) is a standard hydraulic actuator. The hydraulic oil inlet and outlet are controlled by the adjustment switch: rotating the adjustment switch clockwise, the hydraulic oil enters the hydraulic adjustment seat and pushes the adjustment ring to rise vertically; rotating it counterclockwise, the hydraulic oil flows back and the adjustment ring descends under the gravity of the preload component. Attached Figure Description

[0011] Figure 1 is a schematic diagram of the structure of this utility model; Figure 2 is a schematic diagram of the structure of this utility model; Figure 3 is a schematic diagram of the structure of this utility model; Figure 4 is a schematic diagram of the structure of this utility model.

[0012] In the diagram: 1. Base; 2. Shock absorber; 3. Piston rod; 4. Spring; 5. Lower ring; 6. Upper ring; 7. Hydraulic adjustment seat; 8. Adjustment ring; 9. Adjustment switch; 10. Mounting seat; 11. Guide block; 12. Support ring; 13. Stud; 14. End; 15. Protective pad. Detailed Implementation

[0013] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0014] Please see Figures 1-4A multi-piston damping adjustable shock absorber mechanism includes a base 1, a shock absorber cylinder 2, a piston rod 3, an adjustment assembly, and a preload component. The shock absorber cylinder 2 is disposed above the base 1, and the piston rod 3 is disposed inside the shock absorber cylinder 2. The piston rod 3 passes through the shock absorber cylinder 2. The preload component includes a spring 4, a lower ring 5, and an upper ring 6. The preload component is sleeved on the outside of the shock absorber cylinder 2 and the piston rod 3. The upper and lower ends of the spring 4 are connected to the upper ring 6 and the lower ring 5, respectively. The adjustment assembly is also disposed on the base 1. An auxiliary component is disposed above the piston rod 3 to abut against the upper ring 6. The adjustment assembly includes a hydraulic adjustment seat 7, an adjustment ring 8, and an adjustment switch 9. The hydraulic adjustment seat 7 is disposed on the base 1. The hydraulic adjustment seat 7 is annularly sleeved around the shock absorber cylinder 2. The adjustment ring 8 is disposed at the output end of the hydraulic adjustment seat 7. The upper part of the adjustment ring 8 contacts the lower ring 5. The adjustment switch 9 is also disposed around the hydraulic adjustment seat 7.

[0015] The shock absorber 2 is vertically fixed above the base 1, and the piston rod 3 passes through the inside of the shock absorber 2 (the piston rod 3 and the shock absorber 2 are sealed by a seal to ensure that the internal damping medium does not leak). The preload component (spring 4 + upper ring 6 + lower ring 5) is sleeved on the outside of the shock absorber 2 and the piston rod 3. The upper and lower ends of the spring 4 are rigidly connected to the upper ring 6 and the lower ring 5 respectively (such as by welding or bolting). The lower ring 5 is initially in slight contact with the adjusting ring 8 of the hydraulic adjusting seat 7. The preload component is compressed using a strap with clamps, and the hydraulic adjusting seat 7 (circularly fitted around the shock absorber on both sides) is in a "no-pressure state," with the adjusting ring 8 at its lowest position (10-20mm from the base 1). The adjusting switch 9 is closed, preventing hydraulic oil from entering the adjusting seat and ensuring stable initial preload force (no unexpected changes). The protective pads 15 (nitrile rubber) on the side of the upper ring 6 and lower ring 5 away from the spring 4 are respectively fitted to the support ring 12 and the adjusting ring 8 to avoid hard metal-to-metal contact. At this point, the auxiliary components are installed, including the mounting base 10, guide block 11, and support ring 12. The mounting base 10 is provided above the piston rod 3, and two sets of guide grooves are provided below the mounting base 10. Two sets of support rings 12 connected to the guide grooves are provided above the support ring 12. The mounting base 10 is also provided with a fixing member connected to the support ring 12. The support ring 12 is provided with a U-shaped notch adapted to the piston rod 3. The outer diameter of the mounting base 10 is smaller than the inner diameter of the preload member. The mounting base 10 is fixed to the top of the piston rod 3 with bolts. The support ring 12 is initially positioned with the mounting base 10 by the "T-shaped guide block 11 + guide groove" (the U-shaped notch is adapted to the piston rod 3 to avoid the support ring 12 from shifting). Then, the support ring 12 is rigidly fixed to the mounting base 10 by the fastener (regular hexagonal end 14 + stud 13). The bottom of the support ring 12 abuts against the upper ring 6 to form the axial limit of "piston rod 3 - auxiliary part - preload part". Then loosen the straps, and spring 4 returns to its original position. At this point, the preload of the preload component can be adjusted by adjusting the adjustment assembly.

[0016] In this document, the term "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The term "embodiment" appearing in various places throughout the specification does not necessarily refer to the same embodiment, nor does it specifically limit its independence or connection with other embodiments. In principle, in this application, as long as there are no technical contradictions or conflicts, the technical features mentioned in each embodiment can be combined in any way to form corresponding implementable technical solutions.

[0017] Unless otherwise defined, the technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the use of related terms herein is merely for the purpose of describing particular embodiments and is not intended to limit this application.

[0018] Although embodiments of the present invention 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 to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A multi-piston damping adjustable shock absorber mechanism, comprising a base (1), a shock absorber cylinder (2), a piston rod (3), an adjustment assembly, and a preload component, characterized in that, A shock absorber (2) is provided above the base (1), and a piston rod (3) is also provided inside the shock absorber (2). The piston rod (3) passes through the shock absorber (2) above. The preload component includes a spring (4), a lower ring (5), and an upper ring (6). The preload component is sleeved on the outside of the shock absorber (2) and the piston rod (3). The upper and lower ends of the spring (4) are respectively connected to the upper ring (6) and the lower ring (5). The adjustment component is also provided on the base (1). An auxiliary component that abuts against the upper ring (6) is also provided above the piston rod (3). The adjustment component includes a hydraulic adjustment seat (7), an adjustment ring (8), and an adjustment switch (9). A hydraulic adjustment seat (7) is also provided on the upper part. The hydraulic adjustment seat (7) is ring-shaped and sleeved around the shock absorber (2). The output end of the hydraulic adjustment seat (7) is provided with the adjustment ring (8). The upper part of the adjustment ring (8) is in contact with the lower ring (5). An adjustment switch (9) is also provided around the hydraulic adjustment seat (7).

2. The multi-piston damping adjustable shock absorber mechanism according to claim 1, characterized in that, The auxiliary components include a mounting base (10), a guide block (11), a support ring (12), and a fixing component. The mounting base (10) is provided above the piston rod (3). Two sets of guide grooves are provided below the mounting base (10). Two sets of support rings (12) connected to the guide grooves are provided above the support rings (12). The mounting base (10) is also provided with a fixing component connected to the support rings (12). The support rings (12) are provided with a U-shaped notch adapted to the piston rod (3). The outer diameter of the mounting base (10) is smaller than the inner diameter of the preload component.

3. The multi-piston damping adjustable shock absorber mechanism according to claim 2, characterized in that, The guide block (11) is T-shaped.

4. The multi-piston damping adjustable shock absorber mechanism according to claim 3, characterized in that, The fastener includes a stud (13) and an end (14). The stud (13) is provided below the end (14). The support ring (12) is also provided with a threaded groove. The stud (13) passes through the mounting base (10) and is connected to the threaded groove.

5. The multi-piston damping adjustable shock absorber mechanism according to claim 4, characterized in that, The end (14) is a regular hexagon.

6. The multi-piston damping adjustable shock absorber mechanism according to claim 5, characterized in that, The upper ring (6) and lower ring (5) are also provided with protective pads (15) on the side away from the spring (4).

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