Shock absorber damping regulator and shock absorber system

Abstract

The invention discloses a shock absorber damping regulator and a shock absorber system, and belongs to the technical field of shock absorber systems. The shock absorber damping regulator comprises a regulator base body, a regulating valve and a check valve; a regulator first end cover and a regulator second end cover are installed at the two ends of the regulator base body respectively. The adjusting valve comprises an adjusting valve base body, an adjusting valve guide rod penetrates through the adjusting valve base body, and an adjusting valve channel is formed in the adjusting valve base body. The adjusting valve guide rod is sleeved with a first flow stop valve plate, a first adjusting valve plate and a second adjusting valve plate, the first adjusting valve plate and the second adjusting valve plate are provided with a first valve plate hole and a second valve plate hole respectively, and a damping adjusting screw rod is connected to the adjuster first end cover in a screwed mode. And the check valve is mounted in the check valve mounting hole. Oil flows through the regulating valve from the shock absorber to the oil storage tank; oil is returned from the oil storage tank to the shock absorber and flows through the check valve; and the damping adjusting screw rod can be used for rotationally adjusting the second adjusting valve plate, so that the flow section can be adjusted, and the damping force of the shock absorber can be quickly, accurately and reliably adjusted.

Description

Technical Field

[0001] The invention belongs to the technical field of shock absorber systems, in particular to a shock absorber damping regulator and a shock absorber system. Background Art

[0002] Shock absorbers are devices used to suppress or reduce vibrations. They are widely used in various mechanical and vehicle systems to improve the stability and comfort of the equipment. The basic function of a shock absorber is to reduce the vibration amplitude of the system by consuming vibration energy, thereby improving operating performance and extending service life. In the automotive field, shock absorbers are mainly used in suspension systems. Their main function is to suppress the shock when the spring rebounds after shock absorption and the impact from the road surface, so as to improve the vehicle's driving smoothness and ride comfort.

[0003] At present, in the process of adjusting the handling stability and smoothness of commercial vehicle chassis, how to quickly and accurately adjust the damping force of the shock absorber has become a major problem that troubles technicians.

[0004] CDC (Continuous Damping Control) is a shock absorber for automobile shock absorption system that can "automatically identify road conditions". It controls the internal current size by setting a program to form a new oil circuit to adjust the restoring and compressing damping force. It can be used in vehicle chassis tuning. However, the CDC shock absorber has a complex structure and needs to be rewritten when the operating conditions change. It is difficult to operate, has a low reliability compared to mechanical damping force adjustment, and is extremely expensive compared to traditional shock absorbers.

[0005] There is also a method of manually adjusting the shock absorber valve plate combination, which adjusts the shock absorber damping force by continuously replacing the valve plate combination inside the detachable shock absorber. The cost of use is low, but tuning the shock absorber valve plate combination not only requires the tuning personnel to have rich experience, but also takes a long time and has extremely low work efficiency. Summary of the invention

[0006] In order to solve the problem that the damping force of a shock absorber cannot be adjusted quickly, accurately and reliably during the adjustment process of the handling stability and ride comfort of a commercial vehicle chassis, the present invention provides a shock absorber damping regulator and a shock absorber system.

[0007] On the one hand, the present invention is achieved through the following technical solutions: A shock absorber damping regulator comprises a regulator base, a regulating valve and a stop valve; a regulating valve mounting hole and a stop valve mounting hole which are through-through are provided in the regulator base, a regulator first end cover and a regulator second end cover are respectively sealed and installed at the front and rear ends of the regulator base, and an end cover interface is respectively provided on the first end cover and the second end cover of the regulator; The regulating valve comprises a regulating valve base body which is positioned and sealed with the regulating valve mounting hole, a regulating valve guide rod is installed through the middle of the regulating valve base body, and a regulating valve channel which passes through the regulating valve base body from front to back is provided; a first stop valve disc which can block the rear end of the regulating valve channel is slidably sleeved on the regulating valve guide rod, and a first spring which presses the first stop valve disc toward the rear end of the regulating valve base body is provided; a first regulating valve disc and a second regulating valve disc which can block the front end of the regulating valve channel are installed on the regulating valve guide rod, and corresponding arc-shaped first valve disc holes and second valve disc holes are respectively provided on the first regulating valve disc and a damping adjustment screw which can rotationally adjust the second regulating valve disc is screwed on the first end cover of the regulator; The stop valve is installed in the stop valve installation hole and is used for one-way flow from back to front.

[0008] A further improvement of the present invention is that the stop valve includes a stop valve base which is positioned and sealed with the stop valve mounting hole, a stop valve guide rod is installed through the middle of the stop valve base, and a stop valve channel which passes through the stop valve base from front to back is opened; a second stop valve plate which can block the front end of the stop valve channel is slidably mounted on the stop valve guide rod, and a second spring which presses the second stop valve plate toward the front end of the stop valve base is mounted on the stop valve guide rod.

[0009] A further improvement of the present invention is that a sleeve is connected to a side of the second regulating valve plate away from the first regulating valve plate, and a slot is provided on the sleeve; a pin engaged with the slot is positioned and installed on the damping adjusting screw.

[0010] A further improvement of the present invention is that a damping adjustment screw locking nut is screwed onto the damping adjustment screw and abuts against the outer side of the first end cover of the regulator.

[0011] A further improvement of the present invention is that an operating notch is provided at the outer end of the damping adjustment screw.

[0012] A further improvement of the present invention is that two second tightening nuts that fit each other are screwed onto the regulating valve guide rod and are used to press-fit the second regulating valve plate to limit the position.

[0013] A further improvement of the present invention is that a first gasket is slidably mounted on the guide rod of the regulating valve and abuts against a side of the first spring away from the first stop valve plate, and a first tightening nut is screwed on the guide rod to limit the abutment of the first gasket.

[0014] A further improvement of the present invention is that the stop valve guide rod is slidably installed through the middle of the stop valve base, and one side of the second spring is supported on the rear end of the stop valve base; a fourth tightening nut for limiting the second stop valve plate and a third tightening nut for abutting the other side of the second spring are screwed on the stop valve guide rod, and a second gasket is provided between the third tightening nut and the second spring.

[0015] Another aspect of the present invention is achieved through the following technical solutions: A shock absorber system comprises a cylindrical shock absorber body, an oil storage tank and two shock absorber damping adjusters; the shock absorber body comprises a cylinder, a piston rod and a piston, and both ends of the cylinder are provided with a first interface and a second interface respectively connected to the end cover interfaces of the first end covers of the adjusters on the two damping adjusters, and the end cover interfaces of the second end covers of the adjusters on the two damping adjusters are connected to the oil storage tank.

[0016] A further improvement of the present invention is that the shock absorber body and the oil storage tank are respectively connected to the two damping adjusters through connecting hoses.

[0017] It can be seen from the above technical solutions that the beneficial effects of the present invention are: When in use, the front ends of the two damping adjusters (the end cover interface of the first end cover of the adjuster) are connected to the two interfaces of the shock absorber body, and the rear ends of the two damping adjusters (the end cover interface of the second end cover of the adjuster) are connected to the oil storage tank; when the corresponding shock absorber body cavity is compressed, the oil enters from the end cover interface of the first end cover of the adjuster of one damping adjuster. Since the check valve is a one-way flow structure from back to front, the oil can only enter the regulating valve channel from the second valve plate hole and the first valve plate hole, thereby pushing the first check valve plate to slide backward (overcoming the elastic force of the first spring) to achieve the oil outflow from the end cover interface of the second end cover of the adjuster; at the same time, the other damping adjuster is on the return oil channel, and the oil in the oil storage tank enters from the end cover interface of the second end cover of the adjuster of the other damping adjuster. Since the first check valve plate blocks the regulating valve channel, the oil only returns to the shock absorber body from the one-way check valve, and the return oil flow is large. By rotating the damping adjustment screw, the second adjustment valve plate can be adjusted to achieve the different overlap degrees between the first valve plate hole and the second valve plate hole, and the convenient adjustment of the flow cross section, so as to achieve the fast, accurate and reliable adjustment of the damping force of the shock absorber. The overall structure is simple, mechanical structure, stable and reliable to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the present invention, the accompanying drawings required for use in the description will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the structure of a damping regulator according to a specific embodiment of the present invention.

[0020] Figure 2 It is a schematic diagram of an explosion of a damping adjuster according to a specific embodiment of the present invention.

[0021] Figure 3It is a schematic diagram from the first perspective of the arrangement of the regulating valve and the stop valve according to a specific embodiment of the present invention.

[0022] Figure 4 It is a schematic diagram from a second perspective of the arrangement of the regulating valve and the stop valve according to a specific embodiment of the present invention.

[0023] Figure 5 It is a schematic diagram of an explosion of a regulating valve according to a specific embodiment of the present invention.

[0024] Figure 6 It is a schematic diagram of the structure of a regulating valve according to a specific embodiment of the present invention.

[0025] Figure 7 It is a schematic diagram of the explosion of the stop valve according to a specific embodiment of the present invention.

[0026] Figure 8 It is a schematic diagram of the structure of a stop valve according to a specific embodiment of the present invention.

[0027] Fig. 9 It is a schematic diagram of a shock absorber system according to a specific embodiment of the present invention.

[0028] Fig.10 It is a schematic diagram of an explosion of a shock absorber body according to a specific embodiment of the present invention.

[0029] Fig.11 It is a schematic diagram of the structure of the shock absorber body according to a specific embodiment of the present invention.

[0030] In the accompanying drawings: 1. shock absorber body, 101. cylinder, 102. piston rod nut, 103. piston ring, 104. piston, 105. end cover, 106. piston rod, 107. first interface, 108. second interface, 2. connecting hose, 3. damping adjuster, 301. first end cover of adjuster, 302. damping adjusting screw locking nut, 303. connecting bolt, 304. damping adjusting screw, 3041. bayonet, 3042. operating notch, 305. regulating valve, 3051. regulating valve base, 3052. regulating valve guide rod, 3053. first regulating valve plate, 3054. second regulating valve plate, 3055. first valve plate hole, 305 6. Second valve plate hole, 3057. Slot, 3058. First stop valve plate, 3059. First spring, 30510. First gasket, 30511. Guide rod fixing nut, 30512. First tightening nut, 30513. Second tightening nut, 30514. Control valve channel, 306. Regulator base, 307. Stop valve, 3071. Stop valve base, 3072. Stop valve guide rod, 3073. Second spring, 3074. Second gasket, 3075. Third tightening nut, 3076. Second stop valve plate, 3077. Fourth tightening nut, 3078. Stop valve channel, 308. Regulator second end cover, 4. Oil storage tank. DETAILED DESCRIPTION

[0031] In order to make the purpose, features and advantages of the present invention more obvious and easy to understand, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in this specific embodiment. Obviously, the embodiments described below are only part of the embodiments of the present invention, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this patent.

[0032] like Figure 1-8 As shown, the present invention discloses a shock absorber damping regulator, comprising a regulator base 306, a regulating valve 305 and a stop valve 307; a regulating valve mounting hole and a stop valve mounting hole are provided in the regulator base 306, and a regulator first end cover 301 (for the front end) and a regulator second end cover 308 (for the rear end) are respectively sealed and installed at the front and rear ends of the regulator base 306 through a plurality of connecting bolts 303, and end cover interfaces are respectively provided on the regulator first end cover 301 and the regulator second end cover 308; The regulating valve 305 comprises a cylindrical regulating valve base 3051 which is positioned and sealed with the regulating valve mounting hole. A regulating valve guide rod 3052 is positioned and installed through the middle part of the regulating valve base 3051 (along its axis), and a plurality of regulating valve channels 30514 which are connected front to back are provided on the regulating valve base 3051. A first stop valve plate 3058 which can block the rear end of the regulating valve channel 30514 is slidably mounted on the regulating valve guide rod 3052 (rear part), and a first spring 3059 which presses the first stop valve plate 3058 toward the rear end of the regulating valve base 3051 is mounted on the regulating valve guide rod 3052. A spring 3059 which can press the first stop valve plate 3058 toward the rear end of the regulating valve base 3051 is rotatably mounted on the regulating valve guide rod 3052 (front part). The first regulating valve disc 3053 and the second regulating valve disc 3054 are blocked at the front end of 514, the second regulating valve disc 3054 is on the front side of the first regulating valve disc 3053, and the first regulating valve disc 3053 is limited by the protrusion on its edge and the groove on the regulating valve base 3051 (the first regulating valve disc 3053 cannot rotate), the first regulating valve disc 3053 and the second regulating valve disc 3054 are respectively provided with corresponding arc-shaped first valve disc holes 3055 and second valve disc holes 3056, the first valve disc holes 3055 are connected with the regulating valve channel 30514, and the damping adjustment screw 304 capable of rotating and adjusting the second regulating valve disc 3054 is installed through the rotary seal on the first end cover 301 of the regulator; The stop valve 307 is installed in the stop valve installation hole for one-way flow from back to front.

[0033] When using, please refer to Fig. 9The front ends of the two damping adjusters 3 (the end cover interface of the first end cover 301 of the adjuster) are connected to the two interfaces of the shock absorber body 1, and the rear ends of the two damping adjusters 3 (the end cover interface of the second end cover 308 of the adjuster) are connected to the oil storage tank 4; when the corresponding shock absorber body 1 cavity is compressed, the oil enters from the end cover interface of the first end cover 301 of the adjuster of a damping adjuster 3, and because the stop valve 307 is a one-way flow structure from back to front, the oil can only enter the adjuster from the second valve plate hole 3056 and the first valve plate hole 3055. The throttle valve channel 30514 pushes the first stop valve plate 3058 to slide backward (overcoming the elastic force of the first spring 3059), so that the oil flows out from the end cover interface of the second end cover 308 of the regulator; at the same time, the other damping regulator 3 is on the return oil channel, and the oil in the oil storage tank 4 enters from the end cover interface of the second end cover 308 of the regulator of the other damping regulator 3. Due to the blocking of the regulating valve channel 30514 by the first stop valve plate 3058, the oil only returns to the shock absorber body 1 from the one-way stop valve 307, and the return oil flow is large. By rotating the damping adjustment screw 304, the rotation adjustment of the second regulating valve plate 3054 can be achieved, so as to achieve the adjustment of the different overlap degrees of the first valve plate hole 3055 and the second valve plate hole 3056, and realize the convenient adjustment of the flow section, so as to achieve the fast, accurate and reliable adjustment of the damping force of the shock absorber. The overall structure is simple, the mechanical structure is stable and reliable to use.

[0034] Further, such as Figure 5-6 As shown, the regulating valve guide rod 3052 is provided with a boss that can abut against one end of the regulating valve base 3051, and the regulating valve guide rod 3052 is screwed with a guide rod fixing nut 30511 that abuts against the other end of the regulating valve base 3051, thereby realizing convenient disassembly and assembly and reliable positioning installation of the regulating valve guide rod 3052 and the regulating valve base 3051.

[0035] Furthermore, a first gasket 30510 is slidably sleeved on the regulating valve guide rod 3052, which abuts against the first spring 3059 on the side away from the first stop valve plate 3058, and a first tightening nut 30512 is screwed on to limit the abutment of the first gasket 30510. The first gasket 30510 is used to reliably press-fit the first spring 3059, and the first tightening nut 30512 is used to conveniently adjust the elastic pressure of the first spring 3059 on the first stop valve plate 3058, which has a simple structure, is easy to implement, and is convenient to use.

[0036] like Figure 1 , 2As shown in Figures 3, 4, 7 and 8, the stop valve 307 includes a stop valve base 3071 which is positioned and sealed with the stop valve mounting hole, a stop valve guide rod 3072 is installed through the middle of the stop valve base 3071 (along its axis), and a plurality of stop valve channels 3078 are provided on the stop valve base 3071. A second stop valve plate 3076 which can block the front end of the stop valve channel 3078 is slidably mounted on the stop valve guide rod 3072, and a second spring 3073 which presses the second stop valve plate 3076 toward the front end of the stop valve base 3071 is mounted on the stop valve guide rod 3072. The second spring 3073 cooperates with the second stop valve plate 3076 to realize one-way flow from back to front and cut-off from front to back. The stop valve 307 has a simple structure and is easy to disassemble and assemble.

[0037] Furthermore, the stop valve guide rod 3072 is slidably installed in the middle of the stop valve base 3071, and one side of the second spring 3073 is supported at the rear end of the stop valve base 3071; the stop valve guide rod 3072 is screwed with a fourth tightening nut 3077 for limiting the second stop valve plate 3076 and a third tightening nut 3075 for abutting the other side of the second spring 3073, and a second gasket 3074 is provided between the third tightening nut 3075 and the second spring 3073. The second spring 3073 and the first spring 3059 are installed on the same side, with reasonable arrangement and space saving; the second spring 3073 is reliably supported by the second gasket 3074, and the elastic pressure of the second stop valve plate 3076 by the second spring 3073 is conveniently adjusted by the third tightening nut 3075, with a simple structure, easy implementation and convenient use.

[0038] In one embodiment, the regulating valve base 3051 is screwed and installed with the regulating valve mounting hole, and the stop valve base 3071 is screwed and installed with the stop valve mounting hole, thereby achieving reliability in the connection and installation of the regulating valve 305 and the stop valve 307 .

[0039] In another embodiment, a ring platform is provided at one end of the regulating valve mounting hole and the stop valve mounting hole. After the regulating valve base 3051 and the stop valve base 3071 are respectively installed, a limiting clamping ring is clamped into the other end of the regulating valve mounting hole and the stop valve mounting hole to realize convenient installation of the regulating valve 305 and the stop valve 307.

[0040] The regulating valve channel 30514 (stop valve channel 3078) has a fan-shaped cross-section and is distributed in a ring array, which ensures the structural strength of the regulating valve base 3051 (stop valve base 3071) while achieving smooth flow of oil and is easy to process and form; a ring platform is provided at the front end of the regulating valve channel 30514 to support and seal the first regulating valve plate 3053, so that the first regulating valve plate 3053 is at a certain distance from the port of the regulating valve channel 30514, effectively ensuring that the first valve plate hole 3055 is connected to all the regulating valve channels 30514.

[0041] The second regulating valve disc 3054 is connected to a sleeve (welded or integrally formed) on one side away from the first regulating valve disc 3053, and the sleeve is provided with two symmetrical axial slots 3057; a bayonet 3041 engaging with the slot 3057 is positioned and installed on the damping adjustment screw 304. The bayonet 3041 is engaged with the slot 3057 (having a certain depth), and when the damping adjustment screw 304 is rotated, the second regulating valve disc 3054 can be conveniently rotated and adjusted.

[0042] The damping adjustment screw 304 is screwed with a damping adjustment screw locking nut 302 that abuts against the outer side of the first end cover 301 of the regulator. The damping adjustment screw 304 can be tightened by the damping adjustment screw locking nut 302 to prevent the damping adjustment screw 304 from rotating at will; and a sealing gasket can be pressed between the damping adjustment screw locking nut 302 and the first end cover 301 of the regulator to prevent oil leakage.

[0043] like Figure 4 As shown, an operating notch 3042 is provided at the outer end of the damping adjustment screw rod 304. The operating notch 3042 is in a cross shape, a slotted shape, etc., so as to facilitate rotation and adjustment using tools such as a screwdriver.

[0044] like Figure 5-6 As shown, two second tightening nuts 30513 that fit each other are screwed on the regulating valve guide rod 3052 (front end) to limit the press-fitting of the second regulating valve disc 3054. By adjusting the position of the second tightening nuts 30513, the press-fitting limit of the second regulating valve disc 3054 can be achieved, which requires both ensuring that the second regulating valve disc 3054 and the first regulating valve disc 3053 are tightly pressed together without gaps, and ensuring that the second regulating valve disc 3054 can rotate relatively without effort.

[0045] like Figure 9-11 The present invention also discloses a shock absorber system, comprising a cylinder-type shock absorber body 1, an oil storage tank 4 and two shock absorber damping adjusters; the shock absorber body 1 comprises a cylinder 101, an end cover 105 installed on the upper end of the cylinder 101, a piston rod 106 slidingly passing through the end cover 105, a piston 104 connected to the lower end of the piston rod 106 and a piston ring 103 installed on the piston 104, and the piston 104 is pressed and positioned by a piston rod nut 102; the upper and lower ends of the cylinder 101 are provided with a first interface 107 and a second interface 108 respectively connected to the end cover interface of the first end cover 301 of the two damping adjusters 3, and the end cover interface of the second end cover 308 of the two damping adjusters 3 is connected to the oil storage tank 4.

[0046] The cylinder 101 is divided into an upper chamber A and a lower chamber B by the piston 104; when the shock absorber body 1 is restored and stretched, the piston 104 moves upward, the volume of the chamber A decreases, and the oil in the chamber A flows to the damping adjuster 3 at the upper part, enters the regulating valve channel 30514 from the second valve plate hole 3056 and the first valve plate hole 3055, pushes the first stop valve plate 3058 to slide backward (overcoming the elastic force of the first spring 3059), and enters the oil storage tank 4 from the end cover interface of the second end cover 308 of the regulator; the oil in the oil storage tank 4 enters from the end cover interface of the second end cover 308 of the regulator of the lower damping adjuster 3, and due to the blocking of the regulating valve channel 30514 by the first stop valve plate 3058, the oil only returns to the chamber B of the shock absorber body 1 from the one-way stop valve 307. When the shock absorber body 1 is compressed, the principle is the same as above. The damping force of the shock absorber body 1 during the recovery of tension and compression can be adjusted quickly, accurately and reliably.

[0047] The shock absorber body 1 and the oil storage tank 4 are respectively connected to the two damping adjusters 3 through the connecting hose 2. In order to ensure the smoothness of the oil flow, the connecting hose 2 itself has a certain buffering performance.

[0048] When the damping regulator and the damping regulator system of the shock absorber are used, the front ends of the two damping regulators 3 (the end cover interface of the first end cover 301 of the regulator) are connected to the two interfaces of the shock absorber body 1, and the rear ends of the two damping regulators 3 (the end cover interface of the second end cover 308 of the regulator) are connected to the oil storage tank 4; when the corresponding shock absorber body 1 cavity is compressed, the oil enters from the end cover interface of the first end cover 301 of the regulator of a damping regulator 3, and because the stop valve 307 is a one-way flow structure from back to front, the oil can only flow from the second valve plate hole 3056 and the first valve plate hole 3057. The plate hole 3055 enters the regulating valve channel 30514, thereby pushing the first stop valve plate 3058 to slide backward (overcoming the elastic force of the first spring 3059), so that the oil flows out from the end cover interface of the second end cover 308 of the regulator; at the same time, the other damping regulator 3 is on the return oil channel, and the oil in the oil storage tank 4 enters from the end cover interface of the second end cover 308 of the regulator of the other damping regulator 3. Due to the blocking of the regulating valve channel 30514 by the first stop valve plate 3058, the oil only returns to the shock absorber body 1 from the one-way stop valve 307, and the return oil flow is large. By rotating the damping adjustment screw 304, the rotation adjustment of the second regulating valve plate 3054 can be achieved, so as to achieve the adjustment of the different overlap degrees of the first valve plate hole 3055 and the second valve plate hole 3056, and realize the convenient adjustment of the flow section, so as to achieve the fast, accurate and reliable adjustment of the damping force of the shock absorber. The overall structure is simple, the mechanical structure is stable and reliable to use.

[0049] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same and similar parts between the various embodiments can be referenced to each other.

[0050] The terms "upper", "lower", "outer side", "inner side", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish the relative relationship in position if they exist, and do not need to be qualitative. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present invention described here can be implemented in an order other than those illustrated or described here. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0051] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A shock absorber damping regulator, characterized in that: The regulator comprises a regulator base (306), a regulating valve (305) and a stop valve (307); a regulating valve mounting hole and a stop valve mounting hole are provided in the regulator base (306) and are connected front to back; a regulator first end cover (301) and a regulator second end cover (308) are respectively sealed and installed at the front and rear ends of the regulator base (306); and end cover interfaces are respectively provided on the regulator first end cover (301) and the regulator second end cover (308); The regulating valve (305) comprises a regulating valve base (3051) which is positioned and sealed with the regulating valve mounting hole; a regulating valve guide rod (3052) is installed through the middle of the regulating valve base (3051); a regulating valve channel (30514) which is connected front to back is provided on the regulating valve base (3051); a first stop valve plate (3058) which can block the rear end of the regulating valve channel (30514) is slidably mounted on the regulating valve guide rod (3052); and a pressure relief valve (3058) which can press the first stop valve plate (3058) toward the rear end of the regulating valve base (3051) is mounted. a first spring (3059) for closing the regulating valve; a first regulating valve disc (3053) and a second regulating valve disc (3054) capable of blocking the front end of the regulating valve channel (30514) are mounted on the regulating valve guide rod (3052); corresponding arc-shaped first valve disc holes (3055) and second valve disc holes (3056) are respectively provided on the first regulating valve disc (3053) and the second regulating valve disc (3054); a damping adjustment screw (304) capable of rotationally adjusting the second regulating valve disc (3054) is screwed onto the first end cover (301) of the regulator; The stop valve (307) is installed in the stop valve installation hole and is used for one-way flow from back to front.

2. The shock absorber damping adjuster according to claim 1, characterized in that: The stop valve (307) comprises a stop valve base (3071) which is positioned and sealed with the stop valve mounting hole; a stop valve guide rod (3072) is installed through the middle of the stop valve base (3071); a stop valve passage (3078) which passes through the stop valve base (3071) is provided; a second stop valve plate (3076) which is capable of blocking the front end of the stop valve passage (3078) is slidably mounted on the stop valve guide rod (3072); and a second spring (3073) which presses the second stop valve plate (3076) toward the front end of the stop valve base (3071) is mounted on the stop valve guide rod (3072).

3. The shock absorber damping adjuster according to claim 1, characterized in that: A sleeve is connected to a side of the second regulating valve plate (3054) away from the first regulating valve plate (3053), and a clamping groove (3057) is provided on the sleeve; a clamping pin (3041) is positioned and installed on the damping adjusting screw rod (304) and is engaged with the clamping groove (3057).

4. The shock absorber damping adjuster according to claim 1, characterized in that: A damping adjustment screw locking nut (302) is screwed onto the damping adjustment screw (304) and abuts against the outer side of the first end cover (301) of the regulator.

5. The shock absorber damping adjuster according to claim 1, characterized in that: An operating notch (3042) is provided at the outer end of the damping adjustment screw rod (304).

6. The shock absorber damping adjuster according to claim 1, characterized in that: Two second tightening nuts (30513) that fit in with each other are screwed onto the regulating valve guide rod (3052) and are used to press-fit and limit the second regulating valve plate (3054).

7. The shock absorber damping adjuster according to claim 1, characterized in that: A first gasket (30510) is slidably mounted on the regulating valve guide rod (3052) and abuts against a side of the first spring (3059) away from the first stop valve plate (3058), and a first tightening nut (30512) is screwed on to limit the abutment against the first gasket (30510).

8. The shock absorber damping adjuster according to claim 2, characterized in that: The stop valve guide rod (3072) is slidably installed in the middle of the stop valve base (3071), and one side of the second spring (3073) is supported on the rear end of the stop valve base (3071); a fourth tightening nut (3077) for limiting the second stop valve plate (3076) and a third tightening nut (3075) for abutting against the other side of the second spring (3073) are screwed on the stop valve guide rod (3072), and a second gasket (3074) is provided between the third tightening nut (3075) and the second spring (3073).

9. A shock absorber system, characterized in that: The invention comprises a cylindrical shock absorber body (1), an oil storage tank (4) and two shock absorber damping adjusters as described in any one of claims 1 to 8; the shock absorber body (1) comprises a cylinder (101), a piston rod (106) and a piston (104); two ends of the cylinder (101) are provided with a first interface (107) and a second interface (108) which are respectively connected to the end cover interfaces of the first end covers (301) of the two damping adjusters (3); the end cover interfaces of the second end covers (308) of the two damping adjusters (3) are connected to the oil storage tank (4).

10. The shock absorber system according to claim 9, characterized in that The shock absorber body (1) and the oil storage tank (4) are respectively connected to the two damping adjusters (3) via connecting hoses (2).

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