Low-speed compression regulating valve

Abstract

The utility model discloses a low-speed compression regulating valve which comprises a valve seat, a regulating valve mounting hole, an oil inlet and an oil outlet are formed in the valve seat, a compression positioning seat is in threaded connection with the interior of the regulating valve mounting hole, an oil outlet hole of an annular structure is formed in the compression positioning seat, and a spiral groove is longitudinally formed in the compression positioning seat. An oil inlet is formed in the bottom of the spiral groove, an oil passing channel is formed between the spiral groove and the oil outlet for communication, an adjusting core is arranged in the spiral groove, an adjusting wheel is arranged at the top of the adjusting core and fixed through an end screw, and an oil passing hole is formed in the bottom of the adjusting core. And the oil passing hole is communicated or closed with the oil passing channel when the adjusting core moves up and down. By rotating the adjusting wheel, the adjusting core can move up and down, and the contact area between the oil passing hole and the oil passing channel is changed, so that the accurate adjustment of the oil flow and the damping force of the shock absorber is realized, a user can adjust the performance of the shock absorber according to different road conditions, and the driving feeling is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of shock absorbers, in particular to a low-speed compression regulating valve. Background Art

[0002] The compression regulating valve is usually installed on the automobile shock absorber to adjust the shock absorber damping, thereby improving the vehicle's driving performance.

[0003] The existing low-speed regulating valve has deficiencies in control accuracy, which easily affects the damping adjustment accuracy of the shock absorber, thereby reducing the user experience of the shock absorber. Utility Model Content

[0004] The utility model aims to provide a low-speed compression regulating valve in view of the defects and shortcomings of the prior art.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a low-speed compression regulating valve, including a valve seat, the valve seat is provided with a regulating valve mounting hole, an oil inlet and an oil outlet, and its innovation lies in: the regulating valve mounting hole is internally threadedly connected to the compression positioning seat, the compression positioning seat is provided with an oil outlet hole of an annular structure, the compression positioning seat is longitudinally provided with a spiral groove, the bottom of the spiral groove is the oil inlet, an oil passage is provided between the spiral groove and the oil outlet, an adjusting core is provided in the spiral groove, an adjusting wheel is provided on the top of the adjusting core and is fixed by an end screw, an oil passage is provided at the bottom of the adjusting core, and the oil passage is connected or closed with the oil passage when the adjusting core moves up and down.

[0006] Furthermore, a cylindrical pin is transversely arranged in the middle of the compression positioning seat, an arc-shaped guide groove is provided on the surface of the adjustment core, one end of the cylindrical pin passes through the spiral groove and is embedded in the arc-shaped guide groove, which can guide and axially position the adjustment core.

[0007] Furthermore, sealing rings are arranged between the valve seat and the compression positioning seat, between the compression positioning seat and the adjustment core, and between the adjustment wheel and the compression positioning seat.

[0008] After adopting the above structure, the utility model has the following beneficial effects:

[0009] The utility model can move the adjustment core up and down by rotating the adjustment wheel, thereby changing the contact area between the oil hole and the oil channel, thereby achieving precise adjustment of the oil flow and the damping force of the shock absorber, so that the user can adjust the shock absorber performance according to different road conditions and further improve the driving experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural schematic diagram of the utility model.

[0011] Description of reference numerals:

[0012] 1 valve seat, 11 oil inlet, 12 oil outlet, 2 compression positioning seat, 21 oil outlet hole, 22 oil inlet hole, 23 oil passage, 3 adjusting core, 31 oil passage hole, 32 arc guide groove, 4 adjusting wheel, 5 cylindrical pin, 6 sealing ring. DETAILED DESCRIPTION

[0013] The utility model is further described below in conjunction with the accompanying drawings.

[0014] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the specific implementation methods described here are only used to explain the utility model and are not used to limit the utility model.

[0015] See also Figure 1 A low-speed compression regulating valve comprises a valve seat 1, on which a regulating valve mounting hole, an oil inlet 11 and an oil outlet 12 are provided, the regulating valve mounting hole is internally threadedly connected to a compression positioning seat 2, an annular oil outlet hole 21 is provided on the compression positioning seat 2, a spiral groove is longitudinally provided on the compression positioning seat 2, the bottom of the spiral groove is an oil inlet 22, an oil passage 23 is provided between the spiral groove and the oil outlet hole 21 for communication, an regulating core 3 is provided in the spiral groove, an regulating wheel 4 is provided on the top of the regulating core 3 and is fixed by an end screw, an oil passage 31 is provided at the bottom of the regulating core 3, and the oil passage 31 is communicated with or closed to the oil passage 23 when the regulating core 3 moves up and down. Specifically, the oil enters from the oil inlet 11, and is then discharged from the oil hole 31, the oil channel 23, the oil outlet 21 and the oil outlet 12 in sequence. During this process, the adjusting core 3 is driven to rotate by rotating the adjusting wheel 4, that is, the connecting area between the oil hole 31 and the oil channel 23 is adjusted, thereby realizing the adjustment function and realizing precise adjustment of the oil flow and the damping force of the shock absorber, so that the user can adjust the shock absorber performance according to different road conditions and further improve the driving experience.

[0016] In this embodiment, a cylindrical pin 5 is transversely arranged in the middle of the compression positioning seat 2, and an arc guide groove 32 is provided on the surface of the adjustment core 3. One end of the cylindrical pin 5 is embedded in the arc guide groove 32, which can guide and axially position the adjustment core 3.

[0017] In this embodiment, sealing rings 6 are provided between the valve seat 1 and the compression positioning seat 2, between the compression positioning seat 2 and the adjustment core 3, and between the adjustment wheel 4 and the compression positioning seat 2 to ensure the sealing between the components and avoid oil leakage and dust.

[0018] The above description is only used to illustrate the technical solution of the utility model rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the utility model by ordinary technicians in this field should be included in the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical solution of the utility model.

Claims

1. A low-speed compression regulating valve, comprising a valve seat, wherein the valve seat is provided with a regulating valve mounting hole, an oil inlet and an oil outlet, and characterized in that: The internal thread of the regulating valve mounting hole is connected to the compression positioning seat, and the compression positioning seat is provided with an oil outlet hole of an annular structure, and the compression positioning seat is provided with a spiral groove longitudinally, and the bottom of the spiral groove is the oil inlet hole, and an oil passage is provided between the spiral groove and the oil outlet hole, and an adjusting core is arranged in the spiral groove, and an adjusting wheel is arranged on the top of the adjusting core and fixed by an end screw, and an oil hole is arranged at the bottom of the adjusting core, and the oil hole is connected with or closed to the oil passage when the adjusting core moves up and down.

2. A low speed compression regulating valve according to claim 1, characterized in that: A cylindrical pin is horizontally arranged in the middle of the compression positioning seat, an arc-shaped guide groove is provided on the surface of the adjusting core, one end of the cylindrical pin passes through the spiral groove and is embedded in the arc-shaped guide groove, which can guide and axially position the adjusting core.

3. A low speed compression regulating valve according to claim 1, characterized in that: Sealing rings are arranged between the valve seat and the compression positioning seat, between the compression positioning seat and the adjusting core, and between the adjusting wheel and the compression positioning seat.

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