Foreign matter prevention motorcycle shock absorber sealing structure

Abstract

The utility model relates to the technical field of shock absorbers, and provides an anti-foreign-matter motorcycle shock absorber sealing structure which comprises a shock absorber body and further comprises a protection mechanism. In the anti-foreign-matter motorcycle shock absorber sealing structure, through the action of a fastening ring A and a fastening ring B, one end of a sleeve and one end of a telescopic cylinder are fixed to the outer side of an oil cylinder and the outer side of a piston rod in a sealed mode respectively; the oil cylinder, the piston rod and the joint of the oil cylinder and the piston rod are sealed and protected through the sleeve and the telescopic cylinder, and the joint of the sleeve and the telescopic cylinder is kept sealed through the arrangement of the fixing ring and the sealing gasket at the joint of the sleeve and the telescopic cylinder, so that the shock absorber body is protected; by means of the technical scheme, the problems that in the prior art, floating dust is likely to be attached to the surface of the piston rod of a shock absorber, the surface of the piston rod of the shock absorber is likely to collide with other foreign matter, and the service life of the shock absorber is influenced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of shock absorbers, and in particular to a foreign body-proof motorcycle shock absorber sealing structure. Background Art

[0002] Shock absorbers are used to cushion the impact of a vehicle during driving to ensure that the vehicle can run smoothly and stably. Many vehicles in our lives are equipped with shock absorbers, and motorcycles are one of them.

[0003] The shock absorbers of motorcycles may have some problems during daily use, the most common of which is oil leakage. When the shock absorber leaks oil, its functions are usually greatly affected. There are many reasons for shock absorber leakage. When riding a motorcycle, it is easy for dust to adhere to the surface of the shock absorber's piston rod and collide with other foreign objects, which will affect the working effect of the shock absorber. In severe cases, it will damage the shock absorber's oil seal, and then cause the shock absorber to leak oil and fail.

[0004] Therefore, a foreign body-proof motorcycle shock absorber sealing structure is proposed. Utility Model Content

[0005] The utility model provides a foreign body-proof motorcycle shock absorber sealing structure, which solves the problem in the related art that during riding of a motorcycle, the piston rod surface of the shock absorber is easily adhered to dust and collides with other foreign bodies, thus affecting the service life of the shock absorber.

[0006] The technical solution of the utility model is as follows:

[0007] A foreign body-proof motorcycle shock absorber sealing structure comprises a shock absorber body and further comprises:

[0008] The protective mechanism includes a sleeve, a telescopic cylinder and a mounting assembly, the sleeve is sleeved on the outer side of the top of the oil cylinder on the shock absorber body, and is detachably connected to the oil cylinder through a connecting assembly, the telescopic cylinder is sleeved on the outer side of the piston rod on the shock absorber body, and is detachably connected to the piston rod through a mounting assembly, one end of the piston rod is arranged inside the oil cylinder and is slidably connected to the oil cylinder, one end of the telescopic cylinder passes through the top of the sleeve and is slidably connected to the sleeve, a fixing ring is fixedly connected to the outer side of the bottom of one end of the telescopic cylinder extending into the interior of the sleeve, a sliding groove is provided inside the sleeve for the fixing ring to slide up and down, a layer of sealing gasket is fixedly connected to the top and bottom of the fixing ring, and the outer sides of the two sealing gaskets are respectively sealingly and slidably connected to the inner wall of the sleeve.

[0009] Preferably, the connecting assembly includes a fastening ring A and a placement groove, the placement groove is opened on the outer side of the bottom of the sleeve, the fastening ring A is arranged inside the placement groove, and the two ends of the opening are removably connected by bolts, and the bottom of the sleeve is fixed to the cylinder by the fastening ring A.

[0010] Preferably, the mounting assembly includes a connecting ring and a fastening ring B, the connecting ring is fixedly connected to the top of the telescopic cylinder, a limiting groove for limiting the position of the fastening ring B is provided on the outer side of the connecting ring, the two ends of the opening of the fastening ring B are removably connected by bolts, and the connecting ring is fixed to the piston rod through the fastening ring B.

[0011] Preferably, a layer of sealing ring is fixedly connected to the inner side walls of the sleeve, the connecting ring, the oil cylinder and the outer side of the piston rod, and the positions of the sealing ring correspond to the fastening ring A and the fastening ring B respectively.

[0012] Preferably, the connecting ring and the top of the sleeve are both arranged as sloped surfaces, and the tops of the sloped surfaces on the connecting ring and the sleeve fit with the outer sides of the piston rod and the telescopic cylinder respectively.

[0013] Preferably, the bottom of the sleeve is arranged as a slope surface inclined upward, and the bottom of the slope surface is in contact with the outer side of the oil cylinder.

[0014] The working principle and beneficial effects of the utility model are:

[0015] 1. In the utility model, the sleeve and one end of the telescopic cylinder are sealed and fixed to the outside of the oil cylinder and the piston rod respectively through the action of the fastening ring A and the fastening ring B, and the oil cylinder, the piston rod and the connection between the oil cylinder and the piston rod are sealed and protected by the sleeve and the telescopic cylinder to prevent the oil cylinder and the piston rod from being damaged by stones and other foreign objects splashed during the riding of the motorcycle. When the shock absorber body is working, the piston rod drives the telescopic cylinder to slide inside the sleeve to avoid affecting the normal shock absorption work of the shock absorber body. Then, the fixing ring and the sealing gasket at the connection between the sleeve and the telescopic cylinder are set to keep the connection between the sleeve and the telescopic cylinder sealed, so as to achieve the purpose of protecting the shock absorber body through the setting of the protective mechanism, and preventing foreign objects from hitting the piston rod and dust from adhering to the surface of the piston rod and entering the inside of the oil cylinder, thereby affecting the service life of the shock absorber body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is the front view of the utility model;

[0019] Figure 3 It is a partial cross-sectional view of the utility model;

[0020] Figure 4 This is a schematic diagram of the split structure of the utility model;

[0021] In the figure: 1. shock absorber body; 2. protection mechanism; 3. sleeve; 4. telescopic cylinder; 5. cylinder; 6. piston rod; 7. fixing ring; 8. sealing gasket; 9. fastening ring A; 10. placement groove; 11. connecting ring; 12. fastening ring B. DETAILED DESCRIPTION

[0022] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example 1

[0024] like Figure 1~Figure 4 As shown, this embodiment provides a foreign body-proof motorcycle shock absorber sealing structure, including a shock absorber body 1, and also including:

[0025] The protective mechanism 2 includes a sleeve 3, a telescopic cylinder 4 and a mounting assembly. The sleeve 3 is sleeved on the outer side of the top of the oil cylinder 5 on the shock absorber body 1, and is detachably connected to the oil cylinder 5 through a connecting assembly. The telescopic cylinder 4 is sleeved on the outer side of the piston rod 6 on the shock absorber body 1, and is detachably connected to the piston rod 6 through a mounting assembly. One end of the piston rod 6 is arranged inside the oil cylinder 5 and is slidably connected to the oil cylinder 5. One end of the telescopic cylinder 4 passes through the top of the sleeve 3 and is slidably connected to the sleeve 3. A fixing ring 7 is fixedly connected to the outer side of the bottom of one end of the telescopic cylinder 4 extending into the interior of the sleeve 3. A sliding groove is provided inside the sleeve 3 for the fixing ring 7 to slide up and down. A layer of sealing gasket 8 is fixedly connected to the top and bottom of the fixing ring 7 respectively, and the outer sides of the two sealing gaskets 8 are respectively sealed and slidably connected to the inner wall of the sleeve 3.

[0026] Preferably, the connection assembly includes a fastening ring A9 and a placement groove 10, the placement groove 10 is opened on the outside of the bottom of the sleeve 3, the fastening ring A9 is arranged inside the placement groove 10, and the two ends of the opening are detachably connected by bolts, and the bottom of the sleeve 3 is fixed to the cylinder 5 by the fastening ring A9. The purpose of this arrangement is to achieve the purpose of fixing one end of the sleeve 3 on the outside of the cylinder 5 by the fastening ring A9.

[0027] Preferably, the mounting assembly includes a connecting ring 11 and a fastening ring B12, the connecting ring 11 is fixedly connected to the top of the telescopic cylinder 4, a limiting groove for limiting the position of the fastening ring B12 is provided on the outside of the connecting ring 11, the two ends of the fastening ring B12 opening are detachably connected by bolts, and the connecting ring 11 is fixed to the piston rod 6 by the fastening ring B12. The purpose of this arrangement is to achieve the purpose of fixing one end of the telescopic cylinder 4 on the piston rod 6 by the fastening ring B12.

[0028] Preferably, a sealing ring is fixedly connected to the inner side wall of the sleeve 3, the connecting ring 11, and the outer side of the oil cylinder 5 and the piston rod 6, and the position of the sealing ring corresponds to the fastening ring A9 and the fastening ring B12 respectively. The purpose of this arrangement is to achieve the purpose of ensuring the sealing connection between the sleeve 3, the connecting ring 11, the oil cylinder 5, and the piston rod 6 through the setting of the sealing ring, and preventing foreign matter and other impurities from entering the sleeve 3 and the telescopic cylinder 4.

[0029] In this embodiment, the sleeve 3 and one end of the telescopic cylinder 4 are sealed and fixed to the outside of the cylinder 5 and the piston rod 6 respectively through the action of the fastening ring A9 and the fastening ring B12, and the sleeve 3 and the telescopic cylinder 4 are sealed and protected for the cylinder 5, the piston rod 6 and the connection between the cylinder 5 and the piston rod 6 to prevent the stones and other foreign objects flying during the riding of the motorcycle from causing impact damage to the cylinder 5 and the piston rod 6. When the shock absorber body 1 is working, the piston rod 6 drives the telescopic cylinder 4 to slide into the sleeve 3 to avoid affecting the normal shock absorption work of the shock absorber body 1. Then, the fixing ring 7 and the sealing gasket 8 at the connection between the sleeve 3 and the telescopic cylinder 4 are set to keep the connection between the sleeve 3 and the telescopic cylinder 4 sealed, so as to achieve the purpose of protecting the shock absorber body 1 through the setting of the protective mechanism 2, and preventing foreign objects from hitting the piston rod 6 and dust from adhering to the surface of the piston rod 6 and entering the cylinder 5, thereby affecting the service life of the shock absorber body 1.

[0030] Example 2

[0031] like Figure 1~Figure 4 As shown, based on the same concept as the above-mentioned embodiment 1, this embodiment also proposes that the connecting ring 11 and the top of the sleeve 3 are both set as sloped surfaces, and the tops of the sloped surfaces on the connecting ring 11 and the sleeve 3 are respectively fitted with the outer sides of the piston rod 6 and the telescopic cylinder 4.

[0032] Preferably, the bottom of the sleeve 3 is set as an inclined slope surface inclined upward, and the bottom of the slope surface is in contact with the outer side of the oil cylinder 5. The purpose of this setting is to achieve the purpose of protecting the sleeve 3 by reducing the contact area of ​​foreign matter hitting the bottom of the sleeve 3 through the setting of the slope surface at the bottom of the sleeve 3.

[0033] In this embodiment, by setting the connecting ring 11 and the sloped surface on the top of the sleeve 3, the sloped surface is used to guide foreign matter and floating dust, thereby preventing foreign matter, floating dust and other impurities from accumulating at the connection between the connecting ring 11 and the piston rod 6, and the sleeve 3 and the telescopic tube 4, thereby achieving the purpose of reducing the entry of foreign matter and floating dust into the sleeve 3 and the telescopic tube 4.

[0034] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A foreign body-proof motorcycle shock absorber sealing structure, comprising a shock absorber body (1), characterized in that: Also includes: A protection mechanism (2), the protection mechanism (2) comprising a sleeve (3), a telescopic cylinder (4) and a mounting assembly, the sleeve (3) being sleeved on the outer side of the top of the oil cylinder (5) on the shock absorber body (1) and being detachably connected to the oil cylinder (5) through a connecting assembly, the telescopic cylinder (4) being sleeved on the outer side of the piston rod (6) on the shock absorber body (1) and being detachably connected to the piston rod (6) through a mounting assembly, one end of the piston rod (6) being arranged inside the oil cylinder (5) and being slidably connected to the oil cylinder (5), one end of the telescopic cylinder (4) passing through the top of the sleeve (3) and being slidably connected to the sleeve (3), a fixing ring (7) being fixedly connected to the outer side of the bottom of one end of the telescopic cylinder (4) extending into the interior of the sleeve (3), a sliding groove for the fixing ring (7) to slide up and down being provided inside the sleeve (3), a sealing gasket (8) being fixedly connected to the top and bottom of the fixing ring (7), respectively, and the outer sides of the two sealing gaskets (8) being sealingly slidably connected to the inner wall of the sleeve (3) respectively.

2. The foreign body-proof motorcycle shock absorber sealing structure according to claim 1, characterized in that: The connection assembly comprises a fastening ring A (9) and a placement groove (10), wherein the placement groove (10) is opened on the outside of the bottom of the sleeve (3), the fastening ring A (9) is arranged inside the placement groove (10), and the two ends of the opening are detachably connected by bolts, and the bottom of the sleeve (3) is fixed to the oil cylinder (5) by the fastening ring A (9).

3. The foreign body-proof motorcycle shock absorber sealing structure according to claim 1, characterized in that: The mounting assembly comprises a connecting ring (11) and a fastening ring B (12); the connecting ring (11) is fixedly connected to the top of the telescopic cylinder (4); a limiting groove for limiting the position of the fastening ring B (12) is provided on the outer side of the connecting ring (11); both ends of the opening of the fastening ring B (12) are detachably connected by bolts; the connecting ring (11) is fixed to the piston rod (6) by the fastening ring B (12).

4. The foreign body-proof motorcycle shock absorber sealing structure according to claim 1, characterized in that: A layer of sealing ring is fixedly connected to the inner side walls of the sleeve (3), the connecting ring (11) and the outer sides of the oil cylinder (5) and the piston rod (6), respectively, and the positions of the sealing rings correspond to the fastening ring A (9) and the fastening ring B (12).

5. The foreign body-proof motorcycle shock absorber sealing structure according to claim 3, characterized in that: The tops of the connecting ring (11) and the sleeve (3) are both arranged as sloped surfaces, and the tops of the sloped surfaces on the connecting ring (11) and the sleeve (3) are respectively fitted with the outer sides of the piston rod (6) and the telescopic cylinder (4).

6. The foreign body-proof motorcycle shock absorber sealing structure according to claim 1, characterized in that: The bottom of the sleeve (3) is arranged as a sloped surface inclined upward, and the bottom of the sloped surface is in contact with the outer side of the oil cylinder (5).

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