Vehicle suspension damping system

Abstract

The invention discloses a vehicle suspension damping system, and relates to the field of damping structures, the vehicle suspension damping system comprises a fork rod, a damper and a first spring, the damper is fixed at the top end of the fork rod, the first spring sleeves the outer side of the damper, and a carry sleeve is arranged between the damper and the first spring; arc-shaped rods are annularly and uniformly mounted through a carry sleeve, the arc-shaped rods are arranged outside a damper of an existing vehicle damping structure through the carry sleeve, and the arc-shaped rods abut against the carry sleeve, so that carry kinetic energy of a vehicle body is converted into elastic potential energy of bending deformation of the arc-shaped rods, and a spring and the damper are helped to quickly consume the kinetic energy of the vehicle body; in addition, compared with a spring structure, the arc-shaped rod arranged on the inner side of the carry sleeve in an abutting mode through the installation block has the more stable damping characteristic, the pressure action borne by the spring connected to the outer side of the damper in a sleeving mode is helped to be shared, vibration borne by a vehicle during driving is smaller, and the driving safety is improved.

Description

Technical Field

[0001] The invention relates to a shock absorber, to the field of vehicle shock absorption, and in particular to a vehicle suspension shock absorption system. Background Art

[0002] Shock absorbers are commonly used devices to suppress the shock caused by rebound after springs absorb shock and the impact from the road surface. In order to meet different usage needs, traditional vehicles often use a shock absorption system with springs and dampers. It is cheap and practical. With the development of technology, the structure of the suspension shock absorption system has become complicated, and the cost has been greatly increased.

[0003] The prior art sets a suspension structure between the frame and the wheels. The suspension structure includes multifunctional components such as guide, buffer and shock absorption. In fact, the spring structure plays a shock absorption role, and other complex components stabilize the vehicle to make driving more comfortable. Although the use effect is good, its complex structure leads to high cost. At the same time, it does not contribute much to shock absorption. When used on the vehicle, the damping characteristics of the simple spring structure are unstable. Excessive vibration of the vehicle during driving on the road will affect driving safety. In addition, the damper is greatly worn, and the oil seal wears accordingly, causing oil leakage.

[0004] To this end, technicians in this field have proposed a vehicle suspension shock absorption system to improve the simple shock absorption structure of existing springs and dampers, reduce vehicle driving vibrations, and help solve the oil pollution problem caused by the wear of the oil seal of the shaking damper. Summary of the invention

[0005] In view of the shortcomings of the prior art, the present invention provides a vehicle suspension shock absorption system. An arc rod is further arranged in the vehicle suspension shock absorption system of the prior art to help with shock absorption. When the spring and the damper are compressed, the arc rod arranged on the periphery of the damper is deformed under the action of pressure, and part of the kinetic energy is converted into elastic potential energy of the arc rod to buffer the vibration amplitude of the vehicle and avoid excessive vibration amplitude affecting driving safety.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a vehicle suspension shock absorption system, including a fork rod, a damper and a first spring, the fork rod connecting the wheel and the frame, the damper is fixed on the top of the fork rod, and the first spring is sleeved on the side of the damper. When the vehicle encounters vibration during driving, the mass of the vehicle body compresses the first spring to deform, and the damper is compressed by the pressure at the same time. The compression of the damper buffers the release of the elastic potential energy of the first spring, thereby achieving the purpose of buffering vibration.

[0007] However, the existing shock-absorbing structure is not very effective. Although it has a simple structure and low manufacturing cost, the damping characteristics are poor during use, resulting in poor shock absorption effect, affecting the vehicle's driving speed and causing certain driving safety hazards. Therefore, certain improvements are made to the structure to increase the shock absorption effect.

[0008] The outer side of the damper is sleeved with an advance sleeve, and an arc rod is arranged on the inner side of the advance sleeve and outside the damper. The vehicle body is connected through the advance sleeve, and pressure is applied to all the arc rods to convert the kinetic energy of the advance sleeve into elastic potential energy of the arc rod.

[0009] When the vehicle vibrates during driving, the first spring and the damper are compressed, and the advancement sleeve advances with the compression of the damper. The multiple arc rods arranged on the inner side of the advancement sleeve are deformed and bent under the action of pressure, and the advancement kinetic energy of the advancement sleeve is converted into the elastic potential energy of the deformed arc rods. In addition, the multiple arc rods arranged equidistantly in a ring on the outside of the damper can better help buffer vibrations, reduce vibration amplitude, and ensure driving safety.

[0010] Preferably, the fork rod and the side surface of the advancement sleeve are fixed with fixing rings correspondingly, and the first spring is arranged on the outside of the damper through two fixing rings. The mass of the vehicle body is transferred to the wheel through the first spring arranged between the two fixing rings to play a supporting role, and the first spring is used to buffer the vibration.

[0011] A protective sleeve is also sleeved on the outer side of the first spring, and a protective structure is formed outside the first spring through the protective sleeve to prevent the vibrating first spring from pinching the driver's clothes or even the body.

[0012] Preferably, the top end of the arc rod is pressed against the inner top wall of the advancement sleeve and is fixedly connected with a pressure push block, which expands the contact area between the arc rod and the advancement sleeve, ensuring that the advancement sleeve applies a uniform and stable force to the arc rod, thereby preventing the top end of the arc rod from bending during the compression process.

[0013] The outer wall of the fork rod is fixedly connected with an anti-leakage oil chamber below the damper, and the arc rod is tightly arranged on the inner side of the anti-leakage oil chamber. The anti-leakage oil chamber not only provides an installation space for the arc rod on the outside of the damper, but also can receive lubricating oil when the damper end cover is worn and leaks, thereby preventing oil leakage from polluting the environment.

[0014] Preferably, the bottom outer wall of the advancing sleeve is threadedly sleeved with a limiting end cover, and the installation of the advancing sleeve on the outer side of the damper is limited by the limiting end cover, thereby avoiding the problem of the advancing sleeve easily falling off.

[0015] The advancing sleeve limits the advancing distance through the fixing ring and the limiting end block in cooperation with the oil leakage prevention cavity. When the advancing sleeve advances due to vibration, the advancing distance in which the fixing ring presses against the oil leakage prevention cavity is the maximum advancing distance, so as to avoid irreversible damage to the arc rod caused by excessive advancing distance.

[0016] Preferably, the inner wall of the advancing sleeve is slidably clamped with a mounting block, and the mounting block is pressed tightly between the outer wall of the damper and the inner wall of the anti-oil leakage chamber. The arc rod is arranged on the inner side of the advancing sleeve through the mounting block, and a pressing structure of the arc rod is provided through the mounting block to avoid unexpected bending of the arc rod, and also provide space for installing the arc rod structure.

[0017] The outer wall of the damper is fixedly connected with a mounting block corresponding to the mounting block. After the mounting block is slidably set on the inner side of the advance sleeve, it is limitedly installed with the damper through the mounting partition to ensure compact and stable installation between the components in the advance sleeve and avoid the problem of unstable installation of the arc rod and uneven force.

[0018] Preferably, the inner wall of the carry sleeve is fixedly connected with a mounting rail, the top end of the mounting rail is fixedly connected with a limiting end block corresponding to the mounting block, and the mounting block is slidably mounted on the inner side of the carry sleeve via the mounting rail.

[0019] The mounting block is slidably installed on the inner wall of the advancement sleeve through the mounting guide rail, and the predetermined mounting position of the mounting block and the arc rod inside the mounting block and the advancement sleeve is ensured by the limiting end block at the top end of the mounting guide rail, ensuring that the arc rod can be subjected to stable and balanced pressure from the advancement sleeve during the downward pressing of the advancement sleeve.

[0020] Preferably, a mounting slot is provided on the side of the mounting block corresponding to the arc rod, and the arc rod is inserted into the inner side of the mounting block at an angle of 90-120 degrees. The arc rod installed at a certain angle can bend at a predetermined position when subjected to pressure, thereby converting the kinetic energy of the advancement sleeve into elastic potential energy of the arc rod.

[0021] A deformation chamber is formed on one side of the mounting block close to the advancing sleeve and passes through the mounting slot. Except for the deformation chamber, most other positions of the arc rod are pressed by the mounting block, so that the arc rod can only bend and deform in the deformation chamber when subjected to pressure.

[0022] Preferably, a telescopic rod is provided on the side wall of the deformation chamber that is pressed against the arc rod, and a second spring is provided on the inner side of the telescopic rod. The end of the telescopic rod pressed against the second spring is pressed against the side surface of the arc rod, applying a certain thrust to the arc rod to resist the deformation of the arc rod, thereby increasing the elastic potential energy at the arc rod, thereby better consuming kinetic energy.

[0023] Preferably, one end of the telescopic rod close to the arc-shaped rod is fixedly connected to a tightening block, and a contact groove is formed on one side of the tightening block close to the arc-shaped rod.

[0024] A wedge block is fixed at the bottom end of the arc-shaped rod corresponding to the contact groove, and the telescopic rod and the arc-shaped rod are arranged at an inclination angle of 90-150 degrees.

[0025] A tightening block is arranged at the end of the telescopic rod to tightly contact the arc-shaped rod, and the tightening effect on the arc-shaped rod in the deformed state is ensured by the contact groove.

[0026] The bottom end of the arc rod is fixed with a wedge block to facilitate the installation of the arc rod in the installation slot, and cooperates with the contact slot opened on the side of the clamping block to apply force to the clamping block to push the clamping block to continue to advance.

[0027] A certain installation angle between the telescopic rod and the arc rod can ensure that the second spring has a better pressing effect on the deformed arc rod, thereby preventing the telescopic rod from being separated from the arc rod after the arc rod is partially deformed, thereby preventing the structure from being damaged.

[0028] The present invention discloses a vehicle suspension shock absorption system, which has the following beneficial effects:

[0029] 1. The vehicle suspension shock absorption system is provided with an arc rod through an advance sleeve outside the damper of the existing vehicle shock absorption structure. The arc rod is pressed against the advance sleeve to convert the advance kinetic energy of the vehicle body into elastic potential energy of the bending deformation of the arc rod, which helps the spring and the damper to quickly consume the kinetic energy of the vehicle body, thereby obtaining a better shock absorption effect. In addition, the arc rod set on the inner side of the advance sleeve through the mounting block has a more stable damping characteristic than the spring structure, which helps to share the pressure effect on the outer sleeve spring of the damper, so that the vehicle is less shaken when driving, thereby increasing driving safety.

[0030] 2. In the vehicle suspension shock absorbing system, a telescopic rod is arranged inside the mounting block to press against the arc rod. The telescopic rod is pressed against the deformation zone of the arc rod by a second spring to enhance the ability of the deformation zone of the arc rod to consume kinetic energy. The arc rod is installed in the mounting block and the telescopic rod is installed relative to the arc rod at a certain tilt angle to ensure that the arc rod can convert kinetic energy into elastic potential energy when subjected to the pressure of the advancement sleeve, and to ensure that the telescopic rod exerts a stable pressing effect on the elastically deformed arc rod. While ensuring the arc rod's conversion effect on kinetic energy, it also prevents the deformed arc rod from causing the telescopic rod to deviate from the pressing position and cause deflection, bending and damage.

[0031] 3. The vehicle suspension shock absorption system has an anti-leakage oil chamber fixed on the side of the fork rod in conjunction with the advance sleeve. When the damper oil seal leaks due to wear, the lubricating oil enters the anti-leakage oil chamber and continues to serve as a friction protector between the arc rod and the mounting block, and will not drip outside the vehicle to affect the appearance of the vehicle or cause environmental pollution.

[0032] 4. The vehicle suspension shock absorption system has a mounting block equipped with an arc rod which is slidably connected to the inner wall of the advancement sleeve through a mounting guide rail, and a mounting baffle is fixed to the outer wall of the damper corresponding to the mounting block. The mounting guide rail and the mounting baffle ensure that the arc rod and the mounting block are tightly installed on the inner side of the advancement sleeve, thereby ensuring the stability of the arc rod and the mounting block structure, and also ensuring the stable deformation law of the arc rod.

[0033] 5. The vehicle suspension shock absorption system has a clamping block at the end of the telescopic rod for clamping the arc rod, and a contact groove is provided on the side of the clamping block corresponding to the arc rod to ensure that the telescopic rod has a stable clamping effect on the arc rod. At the same time, the wedge block provided at the end of the arc rod ensures that the arc rod applies a thrust to the telescopic rod through the contact groove when it is installed in the installation slot, thereby ensuring the accurate installation of the arc rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0035] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0036] Figure 2 It is a schematic diagram of the installation and protection structure of the first spring on the outer side of the damper of the present invention;

[0037] Figure 3 It is a schematic diagram of the installation structure of the arc rod on the inner side of the advancing sleeve of the present invention;

[0038] Figure 4 For the present invention Figure 3 A schematic diagram of the structure enlargement in the middle;

[0039] Figure 5 It is a schematic diagram of the limiting structure of the advancing sleeve and the anti-leakage oil chamber against the arc rod in the present invention;

[0040] Figure 6 It is a schematic diagram of the compensating structure of the inner side of the mounting block against the arc rod of the present invention;

[0041] Figure 7It is a schematic diagram of the matching installation and abutment structure of the telescopic rod and the arc rod of the present invention.

[0042] In the figure: 1, fork rod; 2, damper; 3, first spring; 4, advance sleeve; 5, arc rod; 6, fixing ring; 7, protective sleeve; 8, pressure push block; 9, oil leakage prevention chamber; 10, limit end cover; 12, mounting block; 13, mounting partition; 14, mounting guide rail; 15, limit end block; 16, mounting slot; 17, deformation chamber; 18, telescopic rod; 19, second spring; 20, tightening block; 21, contact slot; 22, wedge block. DETAILED DESCRIPTION

[0043] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are described clearly and completely. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0044] The embodiment of the present invention discloses a vehicle suspension shock absorption system;

[0045] According to the attached Figure 1 and attached Figure 2 As shown, it includes a fork rod 1, a damper 2 and a first spring 3. The fork rod 1 connects the wheel and the frame, the damper 2 is fixed on the top end of the fork rod 1, and the first spring 3 is sleeved on the side of the damper 2.

[0046] If the vehicle encounters vibration during driving, the mass of the vehicle body exerts pressure on the first spring 3 to compress it. When the first spring 3 is compressed, the damper 2 absorbs kinetic energy and contracts. The damping characteristics of this traditional shock-absorbing structure are unstable. Although the structure is simple and the cost is low, the poor shock-absorbing effect greatly limits the driving speed of the vehicle.

[0047] According to the attached Figure 2 and attached Figure 3 As shown, in order to solve the problem that the simple shock-absorbing structure of the spring and the damper 2 on the existing vehicle has poor effect, some structural improvements are made on the basis of this structure to increase the shock-absorbing effect of the shock-absorbing structure. An advance sleeve 4 is sleeved on the outer side of the damper 2, and the vehicle body and the fork rod 1 are connected through the advance sleeve 4. When the vehicle body vibrates during driving, the advance sleeve 4 advances relative to the fork rod 1, and pressure is applied to the first spring 3 through the advance sleeve 4.

[0048] An arc rod 5 is arranged on the inner side of the advancement sleeve 4 and outside the damper 2. When the vehicle vibrates during driving, the first spring 3 and the damper 2 are compressed, and the advancement sleeve 4 advances with the compression of the damper 2. The multiple arc rods 5 arranged on the inner side of the advancement sleeve 4 are deformed and bent under the action of pressure, converting the advancement kinetic energy of the advancement sleeve 4 into elastic potential energy of the arc rods 5 after deformation.

[0049] The multiple arc rods 5 evenly distributed in a ring outside the damper 2 undergo different degrees of deformation as the advancement sleeve 4 advances. The deformation of the arc rods 5 converts kinetic energy into elastic potential energy, quickly consumes the vibration of the vehicle body, and effectively reduces the vibration of the vehicle body, which is beneficial to safe driving of the vehicle.

[0050] A fixing ring 6 is fixed corresponding to the side of the fork rod 1 and the advancing sleeve 4. The first spring 3 is arranged on the outside of the damper 2 through two fixing rings 6. When the advancing sleeve 4 advances downward, pressure is applied to the first spring 3 through the fixing ring 6. The kinetic energy is consumed by the deformation of the first spring 3, thereby achieving the effect of vehicle shock absorption.

[0051] A protective sleeve 7 is also sleeved on the outside of the first spring 3. The protective sleeve 7 is arranged outside the first spring 3 to prevent the telescopic first spring 3 from pinching the driver's clothes or body. The protective sleeve 7 arranged here can be a bellows with a deformation effect, or a similar structure with deformation and protective effects. They can be used interchangeably in actual use. This structure is easy to associate and will not be described in detail here.

[0052] According to the attached Figure 3 and attached Figure 4 As shown, the top end of the arc rod 5 is pressed against the inner top wall of the advancement sleeve 4 and is fixedly connected with a pressure push block 8. The arc rod 5 is pressed against the advancement sleeve 4 through the pressure push block 8 to avoid the problem that the top of the arc rod 5 set at a certain angle is bent under the advancement pressure of the advancement sleeve 4, which affects the use effect.

[0053] The outer wall of the fork rod 1 is fixedly connected with an anti-leakage oil chamber 9 located below the damper 2, and the arc rod 5 is tightly arranged on the inner side of the anti-leakage oil chamber 9. The anti-leakage oil chamber 9 not only provides an installation space for the arc rod 5 outside the damper 2, but also can receive lubricating oil when the oil seal launch tube of the damper 2 wears and leaks oil, which is used as telescopic lubrication and rust prevention for the arc rod 5, avoiding the problem of oil leakage contaminating the vehicle body or even dripping to cause environmental pollution.

[0054] The bottom outer wall of the advancing sleeve 4 is threadedly sleeved with a limiting end cover 10, and the advancing sleeve 4 is limitedly installed below the oil leakage prevention chamber 9 through the limiting end cover 10 to prevent the advancing sleeve 4 from being separated from the use position.

[0055] The advancing sleeve 4 limits the advancing distance through the fixing ring 6 and the limiting end cover 10 in cooperation with the anti-leakage oil chamber 9. The fixing ring 6 is pressed against the top side wall of the anti-leakage oil chamber 9 to limit the advancing distance of the advancing sleeve 4, thereby preventing the advancing sleeve 4 from excessively advancing and causing deformation of the arc rod 5 that is difficult to recover.

[0056] The inner wall of the advancing sleeve 4 is slidably clamped with a mounting block 12, and the mounting block 12 is tightly pressed between the outer wall of the damper 2 and the inner wall of the anti-leakage oil chamber 9. The arc rod 5 is inserted and arranged on the inner side of the mounting block 12. The mounting block 12 provides a tight installation of the arc rod 5 on the inner side of the advancing sleeve 4, which facilitates the control of the deformation position of the arc rod 5 to further enhance the deformation shock absorption effect of the arc rod 5.

[0057] According to the attached Figure 5 As shown, the outer wall of the damper 2 is fixedly connected with a mounting baffle 13 corresponding to the mounting block 12, the inner wall of the advancement sleeve 4 is fixedly connected with a mounting guide rail 14, and the mounting block 12 is slidably mounted on the inner side of the advancement sleeve 4 through the mounting guide rail 14.

[0058] The mounting block 12 is first slidably installed through the mounting guide rail 14 and the inner wall of the advancement sleeve 4, and then positioned in the oil leakage prevention chamber 9 through the mounting partition 13, so as to realize the positioning and installation of the damper 2, the advancement sleeve 4 and the mounting block 12 and ensure the structural strength.

[0059] The top end of the mounting rail 14 corresponds to the mounting block 12 and is fixedly connected to a limiting end block 15. During the sliding installation of the mounting block 12 through the mounting rail 14, the contact pressure between the arc rod 5 and the inner top wall of the advancement sleeve 4 is controlled by the limiting end block 15 to ensure that the arc rod 5 is in tight contact with the inner top wall of the advancement sleeve 4, thereby ensuring the shock absorbing effect of the shock absorbing structure and avoiding problems such as abnormal noise.

[0060] According to the attached Figure 6 and attached Figure 7 As shown, a mounting slot 16 is provided on the side of the mounting block 12 corresponding to the arc rod 5, and the arc rod 5 is inserted into the mounting slot 16 from the bottom of the mounting block 12. The arc rod 5 is tightened and limited at various locations by the mounting block 12 to control the deformation position of the arc rod 5, so as to facilitate the adoption of other structures to compensate for the problem of insufficient strength of the arc rod 5 and enhance the shock absorption effect of the present structure.

[0061] A deformation chamber 17 is provided on the side of the mounting block 12 close to the advancing sleeve 4 and passes through the mounting slot 16. The arc rod 5 except for the area of ​​the deformation chamber 17 is tightly protected by the mounting block 12. When the end of the arc rod 5 is subjected to the pressure of the advancing sleeve 4, the arc rod 5 is bent in a specified direction in the area of ​​the deformation chamber 17 to consume kinetic energy.

[0062] A telescopic rod 18 is arranged on the inner side of the deformation chamber 17, pressing against the side wall of the arc-shaped rod 5. A second spring 19 is arranged on the inner side of the telescopic rod 18. One end of the telescopic rod 18 pressed against the second spring 19 is pressed against the side of the arc-shaped rod 5 where deformation occurs, thereby compensating for the strength of the material and structure of the arc-shaped rod 5 and enhancing the kinetic energy consumption capacity of the arc-shaped rod 5. The kinetic energy consumed at the arc-shaped rod 5 is equal to the sum of the deformation potential energy of the arc-shaped rod 5 itself and the elastic potential energy of the second spring 19.

[0063] One end of the telescopic rod 18 close to the arc rod 5 is fixedly connected with a clamping block 20, and a contact groove 21 is provided on the side of the clamping block 20 close to the arc rod 5. The clamping block 20 with the contact groove 21 is provided at the end of the telescopic rod 18 and is pressed against the deformed side of the arc rod 5, thereby ensuring that the telescopic rod 18 is pressed against the side of the arc rod 5 after deformation, and also avoiding the problem of the telescopic rod 18 being damaged due to angle deviation caused by the deformation of the arc rod 5.

[0064] A wedge block 22 is fixed at the bottom end of the arc rod 5 corresponding to the contact groove 21. When the arc rod 5 is inserted into the side mounting slot 16 of the mounting block 12, the wedge block 22 at the end applies a thrust to the contact groove 21 to ensure that the arc rod 5 is plugged in and installed in the mounting block 12.

[0065] The arc rod 5 is inserted into the inner side of the mounting block 12 at an angle of 90-120 degrees, and the telescopic rod 18 and the arc rod 5 are set at an inclination angle of 90-150 degrees. The arc rod 5 inclined at a certain angle is convenient for bending to consume kinetic energy when subjected to pressure. The telescopic rod 18 pressed against the side of the arc rod 5 at a certain angle ensures that the telescopic rod 18 is pressed against the arc rod 5 when the arc rod 5 is deformed, thereby avoiding the problem that the bending of the arc rod 5 affects the pressing effect of the telescopic rod 18.

[0066] The vehicle suspension shock absorption system is provided with an arc rod 5 outside the damper 2 of the existing vehicle shock absorption structure through an advance sleeve 4. The arc rod 5 is pressed against the advance sleeve 4 to convert the advance kinetic energy of the vehicle body into elastic potential energy of the bending deformation of the arc rod 5, which helps the first spring 3 and the damper 2 to quickly consume the kinetic energy of the vehicle body, thereby obtaining a better shock absorption effect. In addition, the arc rod 5 pressed against the inner side of the advance sleeve 4 by the mounting block 12 has a more stable damping characteristic than a single spring shock absorption structure, which helps to share the pressure effect on the first spring 3 sleeved on the outer side of the damper 2, so that the vibration of the vehicle is smaller when driving, thereby increasing driving safety.

[0067] Furthermore, a telescopic rod 18 is provided on the inner side of the mounting block 12 to press against the arc rod 5. The telescopic rod 18 is pressed against the deformation zone of the arc rod 5 by a second spring 19 to enhance the ability of the deformation zone of the arc rod 5 to consume kinetic energy. In addition, the installation of the arc rod 5 in the mounting block 12 and the installation of the telescopic rod 18 relative to the arc rod 5 both adopt a certain inclination angle to ensure that the arc rod 5 can convert kinetic energy into elastic potential energy when subjected to the pressure of the advance sleeve 4, and to ensure that the telescopic rod 18 exerts a stable pressing effect on the elastically deformed arc rod 5. While ensuring the kinetic energy conversion effect of the arc rod 5, it also prevents the deformed arc rod 5 from causing the telescopic rod 18 to deviate from the pressing position and cause deflection, bending and damage.

[0068] Furthermore, an anti-leakage oil chamber 9 is fixed on the side of the fork rod 1 in cooperation with the advancement sleeve 4. When the oil seal of the damper 2 leaks oil due to wear, the lubricating oil enters the anti-leakage oil chamber 9 and continues to serve as a friction protection agent between the arc rod 5 and the mounting block 12, and will not drip outside the vehicle to affect the appearance of the vehicle and cause environmental pollution.

[0069] Furthermore, the mounting block 12 on which the arc rod 5 is mounted is slidably connected to the inner wall of the advancement sleeve 4 via a mounting guide rail 14, and a mounting partition 13 is fixed to the outer wall of the damper 2 corresponding to the mounting block 12. The mounting guide rail 14 and the mounting partition 13 ensure that the arc rod 5 and the mounting block 12 are tightly mounted on the inner side of the advancement sleeve 4, thereby ensuring the structural stability of the arc rod 5 and the mounting block 12, and also ensuring the stable deformation law of the arc rod 5.

[0070] Furthermore, a clamping block 20 for clamping the arc rod 5 is provided at the end of the telescopic rod 18, and a contact groove 21 is provided on the side of the clamping block 20 corresponding to the arc rod 5, thereby ensuring that the telescopic rod 18 has a stable clamping effect on the arc rod 5. At the same time, a wedge block 22 is provided at the end of the arc rod 5 to ensure that the arc rod 5 applies a thrust to the telescopic rod 18 through the contact groove 21 when the arc rod 5 is installed in the installation slot 16, thereby ensuring the accurate installation of the arc rod 5.

[0071] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A vehicle suspension damping system, comprising a fork rod (1), a damper (2) and a first spring (3), wherein the fork rod (1) connects a wheel and a frame, the damper (2) is fixed to the top of the fork rod (1), and the first spring (3) is sleeved on the side of the damper (2), characterized in that: The outer side of the damper (2) is sleeved with an advancing sleeve (4), and an arc-shaped rod (5) is arranged inside the advancing sleeve (4) and outside the damper (2). When the vehicle vibrates during driving, the first spring (3) and the damper (2) are compressed, and the advancing sleeve (4) advances with the compression of the damper (2). The plurality of arc-shaped rods (5) arranged inside the advancing sleeve (4) are deformed and bent under the action of pressure, so that the advancing kinetic energy of the advancing sleeve (4) is converted into the elastic potential energy of the arc-shaped rods (5) after deformation.

2. The vehicle suspension damping system according to claim 1, characterized in that: A fixing ring (6) is fixed to the side of the fork rod (1) and the advancing sleeve (4) correspondingly, the first spring (3) is sleeved and arranged on the outside of the damper (2) through two fixing rings (6), and a protective sleeve (7) is also sleeved and arranged on the outside of the first spring (3).

3. The vehicle suspension damping system according to claim 1, characterized in that: The top end of the arc rod (5) is pressed against the inner top wall of the advancement sleeve (4) and is fixedly connected to a pressure push block (8); the outer wall of the fork rod (1) is fixedly connected to an anti-leakage oil chamber (9) located below the damper (2); and the arc rod (5) is pressed against the inner side of the anti-leakage oil chamber (9).

4. The vehicle suspension damping system according to claim 1, characterized in that: The bottom outer wall of the advancing sleeve (4) is threadedly sleeved with a limiting end cover (10), and the advancing sleeve (4) cooperates with the anti-leakage oil chamber (9) to limit the advancing distance through the fixing ring (6) and the limiting end block (10).

5. The vehicle suspension damping system according to claim 1, characterized in that: The inner wall of the advancing sleeve (4) is slidably engaged with a mounting block (12), the mounting block (12) is tightly pressed between the outer wall of the damper (2) and the inner wall of the anti-leakage oil chamber (9), and the outer wall of the damper (2) is fixedly connected with a mounting partition (13) corresponding to the mounting block (12).

6. The vehicle suspension damping system according to claim 5, characterized in that: The inner wall of the advancing sleeve (4) is fixedly connected with a mounting rail (14), the top end of the mounting rail (14) is fixedly connected with a limiting end block (15) corresponding to the mounting block (12), and the mounting block (12) is slidably mounted on the inner side of the advancing sleeve (4) via the mounting rail (14).

7. The vehicle suspension damping system according to claim 5, characterized in that: A mounting slot (16) is provided on the side of the mounting block (12) corresponding to the arc-shaped rod (5), and a deformation chamber (17) is provided on the side of the mounting block (12) close to the advancing sleeve (4) and penetrating through the mounting slot (16).

8. The vehicle suspension damping system according to claim 7, characterized in that: A telescopic rod (18) is arranged on the inner side of the deformation chamber (17) against the side wall of the arc-shaped rod (5), and a second spring (19) is arranged on the inner side of the telescopic rod (18).

9. The vehicle suspension damping system according to claim 8, characterized in that: One end of the telescopic rod (18) close to the arc-shaped rod (5) is fixedly connected to a pressing block (20), and a contact groove (21) is provided on one side of the pressing block (20) close to the arc-shaped rod (5).

10. The vehicle suspension damping system according to claim 9, characterized in that: A wedge block (22) is fixed at the bottom end of the arc rod (5) corresponding to the contact groove (21); the arc rod (5) is inserted into the inner side of the mounting block (12) at an angle of 90-120 degrees; and the telescopic rod (18) and the arc rod (5) are arranged at an inclination angle of 90-150 degrees.

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