Oil mass control structure of shock absorber

Abstract

The utility model relates to the field of vehicle engineering, in particular to an oil mass control structure of a shock absorber, which comprises a fixed pipe, a first oil cylinder, a second oil cylinder and a second oil cylinder. An oil guide hole is formed in the adjusting pipe, two or more adjusting holes penetrating through the oil guide hole are formed in the side wall of the adjusting pipe in the circumferential direction, and the adjusting pipe is rotationally arranged in the assembly hole; the through hole is located in the circumference where the two or more adjusting holes are located, the through hole is connected with one of the oil cup and the oil pipe, and the oil guide hole is connected with the other one of the oil cup and the oil pipe. According to the oil mass control structure of the shock absorber, operation is convenient and fast, meanwhile, oil mass control precision can be guaranteed, and adjusting efficiency is high.

Description

Technical Field

[0001] This utility model relates to the field of vehicle engineering, and in particular to an oil quantity control structure for a shock absorber. Background Technology

[0002] A shock absorber is a device composed of a hydraulic damper and a spring, used to suppress the oscillations during the rebound after the spring absorbs shock and the impact from the road surface, thereby improving the ride smoothness (comfort) of a vehicle. Its structure can be referenced in Chinese Utility Model Patent Application No. CN202322977983.1, entitled "A Hydraulic Shock Absorber with an Oil Reservoir." The flow rate of the shock absorber's oil circuit is closely related to the damping effect. Existing oil flow control structures are neither precise nor convenient, causing certain inconveniences during use. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a simple, accurate, and easy-to-operate oil quantity control structure for shock absorbers.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: an oil quantity control structure for a shock absorber, comprising:

[0005] The fixed tube has an assembly hole inside and a through hole on the side wall that leads to the assembly hole.

[0006] The regulating pipe has an oil guide hole inside, and two or more regulating holes that extend to the oil guide hole are provided on the side wall along the circumferential direction. The regulating pipe is rotatably installed in the assembly hole.

[0007] The through hole is located on the circumference of two or more adjustment holes. The through hole connects to one of the oil cup and the oil pipe, and the guide hole connects to the other of the oil cup and the oil pipe.

[0008] Furthermore, the diameter of the two or more adjustment holes gradually increases along the circumferential direction.

[0009] Furthermore, it also includes a connecting seat, the interior of which is provided with an installation hole, and the side wall of the connecting seat is provided with an oil cup connection hole and an oil pipe connection hole that pass through to the installation hole. A fixing pipe is fixedly installed in the installation hole, a through hole connects to one of the oil cup connection hole and the oil pipe connection hole, and an oil guide hole connects to the other of the oil cup connection hole and the oil pipe connection hole.

[0010] Furthermore, the outer wall of the fixed pipe is provided with an annular oil guide groove, and a through hole is set in the annular oil guide groove. One of the oil cup connection hole and the oil pipe connection hole is connected to the annular oil guide groove.

[0011] Furthermore, the inner wall of the mounting hole is provided with an internal thread, and the outer wall of the fixing tube is provided with an external thread that connects with the internal thread.

[0012] Furthermore, the connector is screwed onto the opening of the oil cup, and the oil cup connection hole communicates with the inner cavity of the oil cup.

[0013] Furthermore, the oil pipe connection hole is screwed onto the connector, and the connector is connected to the oil pipe.

[0014] Furthermore, it also includes a knob, which is rotatably connected to the fixed tube and fixedly connected to the adjusting tube.

[0015] Furthermore, the knob is equipped with a spring bead, and the fixing tube has two or more position holes that engage with the spring bead.

[0016] Furthermore, the knob is provided with an arc-shaped groove, the fixing tube is provided with a positioning hole, and a ball bearing embedded in the arc-shaped groove is provided in the positioning hole.

[0017] The beneficial effects of this utility model are as follows: A shock absorber oil quantity control structure is provided, in which the adjusting tube and the fixed tube are nested internally and externally. When the adjusting tube is rotated so that an adjusting hole aligns with a through hole, the oil guide hole, adjusting hole, and through hole are connected to form an oil circuit. The two ends of the oil circuit are connected to an oil cup and an oil pipe, respectively. By rotating the adjusting tube to connect adjusting holes of different diameters with the through hole, the oil flow rate can be changed, thereby adjusting the shock absorber's damping effect. The shock absorber oil quantity control structure provided by this utility model achieves convenient operation while ensuring oil quantity control accuracy and high adjustment efficiency. Attached Figure Description

[0018] Figure 1 A schematic diagram of the oil quantity control structure for a shock absorber;

[0019] Figure 2 Another schematic diagram of the oil quantity control structure for the shock absorber;

[0020] Figure 3 Another schematic diagram of the oil quantity control structure for the shock absorber;

[0021] Figure 4 A cross-sectional view of the oil quantity control structure of the shock absorber;

[0022] Figure 5 Another cross-sectional view of the oil quantity control structure of the shock absorber;

[0023] Description of labels:

[0024] 1. Fixed pipe; 11. Assembly hole; 12. Through hole; 13. Annular oil guide groove; 14. Gear hole; 15. Positioning hole; 16. Ball bearing; 2. Adjusting pipe; 21. Oil guide hole; 22. Adjusting hole; 3. Oil cup; 4. Oil pipe; 41. Connector; 5. Connecting seat; 51. Mounting hole; 52. Oil cup connection hole; 53. Oil pipe connection hole; 6. Knob; 61. Spring ball; 62. Arc groove. Detailed Implementation

[0025] To explain in detail the technical content, objectives, and effects of this utility model, the following description is provided in conjunction with the embodiments and accompanying drawings.

[0026] Please refer to Figures 1 to 5 As shown, the oil quantity control structure of a shock absorber according to this utility model includes:

[0027] The fixed tube 1 has an assembly hole 11 inside and a through hole 12 on the side wall that extends to the assembly hole 11.

[0028] The regulating pipe 2 has an oil guide hole 21 inside, and two or more regulating holes 22 extending to the oil guide hole 21 are provided on the side wall along the circumferential direction. The regulating pipe 2 is rotatably installed in the assembly hole 11.

[0029] The through hole 12 is located on the circumference of two or more adjusting holes 22. The through hole 12 connects to one of the oil cup 3 and the oil pipe 4, and the oil guide hole 21 connects to the other of the oil cup 3 and the oil pipe 4.

[0030] As described above, the beneficial effects of this utility model are as follows: A shock absorber oil quantity control structure, in which the adjusting pipe 2 and the fixed pipe 1 are nested internally and externally. When the adjusting pipe 2 is rotated so that an adjusting hole 22 aligns with a through hole 12, the oil guide hole 21, the adjusting hole 22, and the through hole 12 are connected to form an oil passage. The two ends of the oil passage are connected to an oil cup 3 and an oil pipe 4, respectively. By rotating the adjusting pipe 2 to connect the adjusting holes 22 with different diameters to the through hole 12, the oil flow rate can be changed, thereby adjusting the shock absorber's damping effect. The shock absorber oil quantity control structure provided by this utility model achieves convenient operation while ensuring oil quantity control accuracy and high adjustment efficiency.

[0031] In an optional embodiment, the diameter of the two or more adjustment holes 22 gradually increases along the circumferential direction.

[0032] As can be seen from the above description, when the regulating pipe 2 rotates in the same direction, the oil flow rate increases or decreases step by step, thereby accurately and quickly adjusting the damping effect of the shock absorber.

[0033] In an optional embodiment, a connecting seat 5 is also included. The connecting seat 5 has an installation hole 51 inside. The side wall of the connecting seat 5 has an oil cup connecting hole 52 and an oil pipe connecting hole 53 that pass through the installation hole 51. The fixing pipe 1 is fixedly installed in the installation hole 51. The through hole 12 connects to one of the oil cup connecting hole 52 and the oil pipe connecting hole 53. The oil guide hole 21 connects to the other of the oil cup connecting hole 52 and the oil pipe connecting hole 53.

[0034] As can be seen from the above description, the connecting seat 5 serves to install parts and connect components. The inner wall of the mounting hole 51 is tightly fitted with the outer wall of the fixed pipe 1 to ensure a seal. The oil guide hole 21, the adjusting hole 22 and the through hole 12 are connected to form an oil passage. The two ends of the oil passage are connected to the oil cup connecting hole 52 and the oil pipe connecting hole 53, respectively. The oil cup connecting hole 52 and the oil pipe connecting hole 53 are respectively connected to the oil cup 3 and the oil pipe 4.

[0035] In an optional embodiment, the outer wall of the fixed tube 1 is provided with an annular oil guide groove 13, and the through hole 12 is provided in the annular oil guide groove 13. One of the oil cup connection hole 52 and the oil pipe connection hole 53 is connected to the annular oil guide groove 13.

[0036] As can be seen from the above description, the inner walls of the annular oil guide groove 13 and the mounting hole 51 form an annular oil guide cavity. The oil entering and exiting from the through hole 12 needs to pass through the annular oil guide cavity and then enter and exit from one of the oil cup connection hole 52 and the oil pipe connection hole 53.

[0037] In an optional embodiment, the inner wall of the mounting hole 51 is provided with an internal thread, and the outer wall of the fixing tube 1 is provided with an external thread that connects with the internal thread.

[0038] As can be seen from the above description, the threaded fit between the fixing tube 1 and the mounting hole 51 ensures both tight assembly and improved disassembly and assembly efficiency.

[0039] In an optional embodiment, the connecting seat 5 is screwed onto the opening of the oil cup 3, and the oil cup connecting hole 52 communicates with the inner cavity of the oil cup 3.

[0040] As can be seen from the above description, the connector 5 is installed by screwing, which is convenient for disassembly and assembly and can ensure the sealing of the oil cup 3.

[0041] In an optional embodiment, the oil pipe connection hole 53 is screwed onto the connector 41, and the connector 41 is connected to the oil pipe 4.

[0042] As can be seen from the above description, the connector 41 is installed by screwing, which is convenient for disassembly and assembly and can ensure the sealing of the oil pipe 4.

[0043] In an optional embodiment, a knob 6 is also included, which is rotatably connected to the fixed tube 1 and fixedly connected to the adjusting tube 2.

[0044] As can be seen from the above description, the function of knob 6 is to facilitate the rotation of regulating tube 2 to adjust the oil volume.

[0045] In an optional embodiment, the knob 6 is provided with a spring bead 61, and the fixing tube 1 is provided with two or more stop holes 14 that engage with the spring bead 61.

[0046] As can be seen from the above description, when the spring ball 61 is engaged with the different gear holes 14, the corresponding through hole 12 is connected to the different oil guide holes 21, thus changing the oil volume.

[0047] In an optional embodiment, the knob 6 is provided with an arc-shaped groove 62, the fixing tube 1 is provided with a positioning hole 15, and a ball bearing 16 embedded in the arc-shaped groove 62 is provided in the positioning hole 15.

[0048] As can be seen from the above description, the smoothness and accuracy of the rotation of the knob 6 can be improved by the guiding cooperation between the ball bearing 16 and the arc groove 62.

[0049] Please refer to Figures 1 to 5 As shown, Embodiment 1 of this utility model is: an oil quantity control structure for a shock absorber, comprising:

[0050] The fixed tube 1 has an assembly hole 11 inside and a through hole 12 on the side wall that extends to the assembly hole 11.

[0051] The regulating pipe 2 has an oil guide hole 21 inside, and two or more regulating holes 22 extending to the oil guide hole 21 are provided on the side wall along the circumferential direction. The regulating pipe 2 is rotatably installed in the assembly hole 11.

[0052] The through hole 12 is located on the circumference of two or more adjusting holes 22. The through hole 12 connects to one of the oil cup 3 and the oil pipe 4, and the oil guide hole 21 connects to the other of the oil cup 3 and the oil pipe 4.

[0053] The diameters of two or more adjusting holes 22 gradually increase circumferentially. It also includes a connecting seat 5, which has an internal mounting hole 51. The side wall of the connecting seat 5 has an oil cup connecting hole 52 and an oil pipe connecting hole 53 that extend to the mounting hole 51. A fixed pipe 1 is fixedly installed inside the mounting hole 51. A through hole 12 connects to one of the oil cup connecting hole 52 and the oil pipe connecting hole 53, and an oil guide hole 21 connects to the other of the oil cup connecting hole 52 and the oil pipe connecting hole 53. The outer wall of the fixed pipe 1 has an annular oil guide groove 13, and the through hole 12 is located in the annular oil guide groove 13. One of the oil cup connecting hole 52 and the oil pipe connecting hole 53 communicates with the annular oil guide groove 13. The inner wall of the mounting hole 51 has an internal thread, and the outer wall of the fixed pipe 1 has an external thread that connects to the internal thread. The connecting seat 5 is screwed onto the opening of the oil cup 3, and the oil cup connecting hole 52 communicates with the inner cavity of the oil cup 3. The oil pipe connecting hole 53 is screwed onto a connector 41, and the connector 41 connects to the oil pipe 4. It also includes a knob 6, which is rotatably connected to the fixed tube 1 and fixedly connected to the adjusting tube 2. The knob 6 is provided with a spring ball 61, and the fixed tube 1 is provided with two or more position holes 14 that engage with the spring ball 61. The knob 6 is provided with an arc-shaped groove 62, and the fixed tube 1 is provided with a positioning hole 15, in which a ball 16 is embedded in the arc-shaped groove 62.

[0054] In summary, the oil volume control structure of this invention for a shock absorber features an inner and outer nested arrangement of the adjusting pipe and the fixed pipe. When the adjusting pipe is rotated to align one adjusting hole with the through hole, the oil guide hole, adjusting hole, and through hole are connected to form an oil circuit. The two ends of the oil circuit are connected to an oil cup and an oil pipe, respectively. By rotating the adjusting pipe to connect adjusting holes of different diameters with the through hole, the oil flow rate can be changed, thereby adjusting the shock absorber's damping effect. The oil volume control structure of this invention provides convenient operation while ensuring precise oil volume control and high adjustment efficiency.

[0055] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent modifications made based on the content of this utility model specification and drawings, or direct or indirect applications in related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. An oil quantity control structure for a shock absorber, characterized in that, include: The fixed tube has an assembly hole inside and a through hole on the side wall that leads to the assembly hole. The regulating pipe has an oil guide hole inside, and two or more regulating holes that extend to the oil guide hole are provided on the side wall along the circumferential direction. The regulating pipe is rotatably installed in the assembly hole. The through hole is located on the circumference of two or more adjustment holes. The through hole connects to one of the oil cup and the oil pipe, and the guide hole connects to the other of the oil cup and the oil pipe.

2. The oil quantity control structure for the shock absorber according to claim 1, characterized in that, The diameter of two or more adjustment holes gradually increases along the circumference.

3. The oil quantity control structure for the shock absorber according to claim 1, characterized in that, It also includes a connecting seat, which has an internal mounting hole. The side wall of the connecting seat has an oil cup connecting hole and an oil pipe connecting hole that extend to the mounting hole. A fixing pipe is fixedly installed in the mounting hole. A through hole connects to one of the oil cup connecting hole and the oil pipe connecting hole, and an oil guide hole connects to the other of the oil cup connecting hole and the oil pipe connecting hole.

4. The oil quantity control structure for the shock absorber according to claim 3, characterized in that, The outer wall of the fixed pipe is provided with an annular oil guide groove, and a through hole is set in the annular oil guide groove. One of the oil cup connection hole and the oil pipe connection hole is connected to the annular oil guide groove.

5. The oil quantity control structure for the shock absorber according to claim 3, characterized in that, The inner wall of the mounting hole is provided with an internal thread, and the outer wall of the fixing tube is provided with an external thread that connects with the internal thread.

6. The oil quantity control structure for the shock absorber according to claim 3, characterized in that, The connector is screwed onto the opening of the oil cup, and the oil cup connection hole communicates with the inner cavity of the oil cup.

7. The oil quantity control structure for the shock absorber according to claim 3, characterized in that, The oil pipe connection hole is screwed onto the connector, and the connector is connected to the oil pipe.

8. The oil quantity control structure for the shock absorber according to claim 1, characterized in that, It also includes a knob, which is rotatably connected to the fixed tube and fixedly connected to the adjusting tube.

9. The oil quantity control structure for the shock absorber according to claim 8, characterized in that, The knob is equipped with a spring ball, and the fixing tube has two or more stop holes that engage with the spring ball.

10. The oil quantity control structure for the shock absorber according to claim 8, characterized in that, The knob has an arc-shaped groove, the fixing tube has a positioning hole, and the positioning hole has a ball embedded in the arc-shaped groove.

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