Motorcycle chain wheel convenient to lubricate and maintain and long in service life
By designing an oil reservoir and lubrication components in the motorcycle sprocket, centrifugal force is used for automatic lubrication, solving the wear problem caused by lack of lubrication in the sprocket and achieving long service life and efficient lubrication.
Patent Information
- Application Number
- CN202520612812.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-04-02
AI Technical Summary
Motorcycle sprockets are prone to lack of lubrication during use, leading to severe wear, affecting transmission efficiency and safety, and easily accumulating impurities, which exacerbates wear.
A motorcycle sprocket including a wheel assembly and a lubrication component was designed. It achieves automatic lubrication by using an oil reservoir and centrifugal force. The cooperation of a sponge block and a compression block ensures that the lubricating oil effectively seeps out to lubricate the sprocket and chain.
It effectively reduces wear on sprockets and chains, extends the service life of motorcycle sprockets, maintains lubrication, prevents impurity accumulation, and improves transmission efficiency and safety.
Smart Images

Figure CN223854793U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to motorcycle sprocket technical field, concretely is a long life motorcycle sprocket convenient to lubrication maintenance. BACKGROUND
[0002] Motorcycle, by gasoline engine drive, rely on handlebar to control front wheel steering two or three wheeled vehicle, light and flexible, fast, widely used in patrol, passenger and freight transport etc.
[0003] On the existing motorcycle sprocket mostly is through the user in maintenance and maintenance on its surface drop lubricating oil, this makes motorcycle sprocket easy to exist the surface lack of lubrication caused by maintenance not in time. The contact surface between sprocket and chain will generate high heat due to direct metal-to-metal friction in the absence of lubricating oil. This friction not only produces noise, such as sharp and piercing metal friction sound or low-pitched dull friction sound, but also causes the surface material of sprocket and chain to wear rapidly. In addition, the dry friction of time will accelerate the wear process of sprocket and chain. Specifically, the sprocket teeth may become sharp, the chain pitch may be lengthened, and in severe cases, it may also cause chain plate rupture, roller breakage and other problems. These wear phenomena not only reduce the transmission efficiency of motorcycle, but also may affect the performance and safety of motorcycle. Moreover, the sprocket and chain lacking lubricating oil are easy to accumulate impurities such as dust. These impurities act as abrasives between the sprocket and chain, further exacerbating the wear process. Especially in harsh road conditions, such as bumpy mountain roads or small roads, impurities such as mud, sand and other impurities may splash and adhere to the chain, further increasing the risk of wear. SUMMARY
[0004] (I) Technical problem solved
[0005] The utility model provides a long life motorcycle sprocket convenient to lubrication maintenance, solved the motorcycle sprocket easy to maintain not in time surface lack of lubrication, thereby cause the problem of motorcycle sprocket easy to excessive wear.
[0006] (II) Technical scheme
[0007] To achieve the above object, the utility model provides the following technical scheme: A long -life motorcycle chain wheel convenient to lubrication maintenance, including two symmetries wheel body assembly, a plurality of groups lubricating component and a plurality of groups locking piece, the mutual adhesion of two symmetries wheel body assembly between facing sides, and two wheel body assembly between using a plurality of groups locking piece detachably connected fixed, a plurality of groups lubricating component installation setting in two wheel body assembly, and still form the oil storage cavity of storage lubricating oil between two wheel body assembly, the one end of lubricating component enters the oil storage cavity, the other end of lubricating component extends to near wheel body assembly tooth bottom, and lubricating component utilizes centrifugal force effect to export lubricating oil to wheel body assembly outside.
[0008] Preferably, the wheel body assembly includes a base, an inner cavity, an oil storage seat, a number of guide seats equal to the number of lubricating components, oil outlet holes, and a number of connection holes equal to the number of locking pieces. The inner cavity is formed on one side of the base. A plurality of oil outlet holes are formed on the tooth bottom surface of the base and communicate with the inner cavity. The oil storage seat includes two annular structures formed at the center of the inner cavity. The cavity formed between the annular structures of the oil storage seat of the two wheel body assemblies constitutes the oil storage cavity. A plurality of guide seats are formed on the outer side of the oil storage seat and respectively face a plurality of oil outlet holes. A plurality of connection holes are evenly provided on the base and penetrate the base.
[0009] In further preferred embodiments, the lubricating component includes a first sponge block, at least one second sponge block, and a pressing block. The first sponge block is inserted into the adjacent guide seat and abuts the outer annular wall of the inner cavity. One end of the second sponge block is formed on the side of the first sponge block opposite the oil outlet hole. The other end of the second sponge block extends into the oil storage cavity. The pressing block is sleeved on the outer side of the second sponge block and is slidingly arranged on the inner side of the guide seat. A polysiloxane coating is provided on the surface of the first sponge block and the second sponge block. The pressing block is a solid metal block, and a rust-proof coating is provided on the outer surface of the pressing block.
[0010] In further preferred embodiments, the wheel body assembly further includes a positioning ring, which is sleeved on the outer side of the oil storage seat and is welded and fixed thereto. The positioning ring has a groove formed thereon. The long-life motorcycle chain wheel convenient to lubrication maintenance further includes a sealing ring, which is embedded in the groove of the positioning ring in the two wheel body assemblies.
[0011] In further preferred embodiments, the locking piece includes a double-headed stud and two nuts. The double-headed stud passes through the coaxially distributed connection holes in the two wheel body assemblies, and the two ends of the double-headed stud are threadedly connected with the nuts.
[0012] (Three) beneficial effects
[0013] Compared with the prior art, the long service life motorcycle sprocket convenient to lubricate and maintain has the following beneficial effects:
[0014] In the utility model, through cooperation of the wheel body set and the lubricating assembly, the motorcycle sprocket can absorb lubricating oil in the oil storage cavity of the wheel body set through the first sponge block and the second sponge block during use, and the extrusion block extrudes the first sponge block by centrifugal force when the wheel body set rotates at high speed, so that the motorcycle sprocket and the chain can be lubricated by the exudation of lubricating oil from the oil outlet hole, thereby reducing wear between the two and prolonging the service life of the motorcycle sprocket. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is an exploded structural schematic view of the long service life motorcycle sprocket convenient to lubricate and maintain according to the embodiment.
[0016] Figure 2 It is Figure 1 It is a structural schematic view of the long service life motorcycle sprocket convenient to lubricate and maintain in combination according to the embodiment.
[0017] Figure 3 It is a cooperation structural schematic view of the wheel body set and the lubricating assembly according to the embodiment.
[0018] Figure 4 It is a structural schematic view of the wheel body set according to the embodiment.
[0019] In the drawings: 10, wheel body set; 11, base body; 12, inner cavity; 13, oil storage seat; 14, positioning ring; 15, guide seat; 16, oil outlet hole; 17, connecting hole; 20, lubricating assembly; 21, first sponge block; 22, second sponge block; 23, extrusion block; 30, sealing ring; 40, locking piece; 41, double-headed stud; 42, nut. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0021] Please refer to Figures 1 to 3The application discloses a long-service-life motorcycle sprocket facilitating lubrication maintenance, which comprises two symmetrical sprocket body sets 10, a plurality of lubricating assemblies 20, a sealing ring 30 and a plurality of locking pieces 40. The two symmetrical sprocket body sets 10 are mutually adhered on the opposite sides, and the two sprocket body sets 10 are detachably connected and fixed by the plurality of locking pieces 40. The plurality of lubricating assemblies 20 are arranged in the two sprocket body sets 10, and an oil storage cavity for storing lubricating oil is formed between the two sprocket body sets 10, and the sealing ring 30 is used for sealing the oil storage cavity formed by the two sprocket body sets 10. One end of the lubricating assembly 20 extends into the oil storage cavity, and the other end of the lubricating assembly 20 extends to the tooth bottom of the sprocket body set 10, and the lubricating assembly 20 uses centrifugal force to guide the lubricating oil out of the sprocket body set 10.
[0022] Referring to Figure 4 The sprocket body set 10 comprises a base body 11, an inner cavity 12, an oil storage seat 13, a positioning ring 14, a plurality of guide seats 15 equal in number to the lubricating assemblies 20, a plurality of oil outlet holes 16 and a plurality of connecting holes 17 equal in number to the locking pieces 40. The inner cavity 12 is formed on one side of the base body 11, and the inner cavities 12 of the two base bodies 11 opposingly form a cavity of the sprocket when the two sprocket body sets 10 are connected and fixed. The oil storage seat 13 comprises two annular structures formed at the center of the inner cavity 12, and a cavity surrounded by the annular structures of the oil storage seats 13 in the two sprocket body sets 10 forms an oil storage cavity. The positioning ring 14 is sleeved on the outer side of the oil storage seat 13 and is welded and fixed, the positioning ring 14 is provided with a groove, and the opposite sides of the sealing ring 30 are respectively embedded into the grooves of the positioning rings 14 in the two sprocket body sets 10, so that the sealing ring 30 can be clamped and used for sealing the oil storage cavity after the two sprocket body sets 10 are connected and fixed. A plurality of oil outlet holes 16 are formed on the tooth bottom surface of the base body 11 and are communicated with the inner cavity 12, and a plurality of guide seats 15 are formed on the outer side of the oil storage seat 13 and respectively face the plurality of oil outlet holes 16, and the guide seats 15 are used for matching the installation of the lubricating assemblies 20. A plurality of connecting holes 17 are uniformly arranged on the base body 11 and penetrate through the base body 11, and the connecting holes 17 are used for matching the installation of the locking pieces 40.
[0023] Referring to Figure 3The lubricating assembly 20 comprises a first sponge block 21, at least one second sponge block 22 and a pressing block 23. The first sponge block 21 and the second sponge block 22 are both made of porous sponge material and are provided with a polysiloxane coating on the surfaces thereof. One end of the second sponge block 22 is formed on the side of the first sponge block 21 away from the oil outlet hole 16, and the other end of the second sponge block 22 extends into the oil storage cavity so as to absorb lubricating oil in the oil storage cavity. The first sponge block 21 is inserted into the adjacent guide seat 15 and abuts against the outer annular wall of the inner cavity 12, and the pressing block 23 made of a solid metal block with a rust-proof coating on the outer surface is sleeved on the outer side of the second sponge block 22 and is slidingly arranged on the inner side of the guide seat 15, so that the pressing block 23 can slide outward in the guide seat 15 and press the first sponge block 21 under the action of centrifugal force when the motorcycle sprocket rotates at a high speed, and the lubricating oil absorbed by the first sponge block 21 can seep out from the oil outlet hole 16 when the first sponge block 21 is pressed, thereby lubricating the motorcycle sprocket and the chain. In the prior art, the sol-gel reaction process of a multi-component silane system can be used to prepare a siloxane coating, and the solution immersion method can be used to realize effective adhesion of polysiloxane on the surface of the polymer sponge, thereby obtaining a high-performance oil-absorbing material with rich pore structure. Cross-linking reaction occurs between the organic silane and the sponge matrix, which not only makes the material surface contain a large number of non-polar groups, giving the material hydrophobic and lipophilic effects, but also maintains the three-dimensional porous structure of the sponge, so that the material as a whole exhibits excellent oil-water selectivity and high oil absorption capacity. The obtained hydrophobic sponge can absorb organic solvents and various oil compounds with its own weight multiplied by several times, and has stable oil absorption properties. In addition, the oil retention rate is still high after multiple cycles of compression.
[0024] Referring to Figure 1 The locking member 40 comprises a stud 41 and two nuts 42. The stud 41 can pass through the coaxially distributed connecting holes 17 in the two wheel body assemblies 10, and the two ends of the stud 41 can be screwed into the nuts 42, so that the nuts 42 at the two ends of the stud 41 can limit and fix the two wheel body assemblies 10.
[0025] In all the above-mentioned solutions, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut cooperation connection, bolt or screw connection or other known connection methods, which will not be described one by one. In the above, when it is mentioned that it is fixedly connected, welding is preferred. Although embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A long life motorcycle sprocket for ease of lubrication maintenance, characterized by, The application relates to a wheel body set, which comprises two symmetrical wheel body sets (10), a plurality of lubricating assemblies (20) and a plurality of locking members (40), the two symmetrical wheel body sets (10) are mutually attached on the opposite sides, the two wheel body sets (10) are detachably connected and fixed by the plurality of locking members (40), the plurality of lubricating assemblies (20) are arranged in the two wheel body sets (10), and oil storage cavities for storing lubricating oil are formed between the two wheel body sets (10), one end of the lubricating assembly (20) extends into the oil storage cavity, the other end of the lubricating assembly (20) extends to the tooth bottom of the wheel body set (10), and the lubricating assembly (20) guides the lubricating oil out of the wheel body set (10) by the centrifugal force.
2. A long life motorcycle sprocket for ease of lubrication maintenance as claimed in claim 1 wherein: The wheel body set (10) comprises a base body (11), an inner cavity (12), an oil storage seat (13), a plurality of guide seats (15) and oil outlet holes (16) which are equal in number to the lubricating assemblies (20), and a plurality of connecting holes (17) which are equal in number to the locking members (40), the inner cavity (12) is formed on one side of the base body (11), a plurality of the oil outlet holes (16) are formed on the tooth bottom surface of the base body (11) and are communicated with the inner cavity (12), the oil storage seat (13) comprises two annular structures formed at the center of the inner cavity (12), the cavity formed between the annular structures of the oil storage seats (13) in the two wheel body sets (10) constitutes the oil storage cavity, a plurality of the guide seats (15) are formed on the outer side of the oil storage seat (13) and respectively face a plurality of the oil outlet holes (16), and a plurality of the connecting holes (17) are uniformly arranged on the base body (11) and penetrate through the base body (11).
3. A long life motorcycle sprocket for ease of lubrication maintenance as claimed in claim 2 wherein: The lubricating assembly (20) comprises a first sponge block (21), at least one second sponge block (22) and a pressing block (23), the first sponge block (21) is inserted into the adjacent guide seat (15) and abuts against the outer annular wall of the inner cavity (12), one end of the second sponge block (22) is formed on the side of the first sponge block (21) away from the oil outlet hole (16), the other end of the second sponge block (22) extends into the oil storage cavity, and the pressing block (23) is sleeved on the outer side of the second sponge block (22) and is slidingly arranged on the inner side of the guide seat (15).
4. A long life motorcycle sprocket for ease of lubrication maintenance as claimed in claim 3 wherein: The surfaces of the first sponge block (21) and the second sponge block (22) are provided with a polysiloxane coating.
5. A long life motorcycle sprocket for ease of lubrication maintenance as claimed in claim 4 wherein: The pressing block (23) is a solid metal block, and the outer surface of the pressing block (23) is provided with an anti-rust coating.
6. A long life motorcycle sprocket for ease of lubrication maintenance according to any one of claims 2 to 5 wherein: The wheel body set (10) further comprises a positioning ring (14) which is sleeved on the outer side of the oil storage seat (13) and is welded and fixed, and the positioning ring (14) is provided with a groove.
7. A long life motorcycle sprocket for ease of lubrication maintenance as claimed in claim 6 wherein: The application further comprises a sealing ring (30) which is embedded into the groove of the positioning ring (14) in the two wheel body sets (10) respectively on the opposite sides.
8. A long life motorcycle sprocket for ease of lubrication maintenance according to any one of claims 2 to 5, wherein: The locking piece (40) comprises a stud (41) and two nuts (42), the stud (41) passes through the coaxially distributed connecting holes (17) in the two wheel body sleeves (10), and the two ends of the stud (41) are both threadedly connected with the nuts (42).