Anti-abrasion motorcycle chain

Abstract

An anti-abrasion motorcycle chain comprises inner chain plates and outer chain plates, the outer chain plates are installed on the outer sides of the inner chain plates and used for connecting the inner chain plates adjacent in the radial direction, the two opposite outer chain plates and a pin shaft are assembled to form an outer chain link, the inner chain plates and the pin shaft are assembled to form an independent inner chain link, and the pin shaft between the outer chain plates is sleeved with a pipe sleeve. Rollers are arranged outside the pipe sleeves between the inner chain plates, and annular grooves are formed in the positions, located on the contact faces of the outer chain plates and the inner chain plates on the same side, of the ends of the pin shafts. Lubricating oil can more smoothly immerse between the pin shaft and the pipe sleeve through the annular groove at the end part, so that the friction between the pin shaft and the pipe sleeve during operation is reduced, the wear resistance of the chain is improved, and the service life of the motorcycle chain is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to motorcycle chain technical field, concretely relates to a kind of anti-abrasion motorcycle chain. BACKGROUND

[0002] Chain is a kind of component that can be relatively flexible pivot between elements, so it is widely used in power transmission of motorcycle, bicycle, mechanical equipment. At present, the traditional chain generally has the defects of small tensile strength, poor wear resistance and low service life.

[0003] CN205534019U discloses a kind of motorcycle chain, including inner chain plate component and outer chain plate component, the inner chain plate component includes two opposite parallel inner chain plates and two pairs of fitting structure connected to two inner chain plates, the outer chain plate component includes two opposite parallel outer chain plates and two pin shafts connected to two outer chain plates, characterized in that, two pairs of fitting structure are fitted on one pin shaft of one outer chain plate component respectively, i.e. one inner chain plate component left and right ends are connected to one outer chain plate component respectively;Every chain plate in the outer chain plate and the inner chain plate is 8-shaped, including left and right outer circles and waist, the width of the waist is shorter than the maximum longitudinal diameter of left and right two outer circles, the inner chain plate and the outer chain plate are respectively provided with through hole for installing pin shaft and for clamping and fitting structure. The motorcycle chain of this structure still has the problem of poor wear resistance. SUMMARY

[0004] To overcome the deficiencies of the prior art, the utility model provides an anti-abrasion motorcycle chain, which improves the wear resistance of the chain, prolongs the service life, and improves the tensile strength.

[0005] The utility model adopts the technical scheme that:

[0006] An anti-abrasion motorcycle chain includes an inner chain plate and an outer chain plate. The outer chain plate is installed on the outer side of the inner chain plate to connect radially adjacent inner chain plates. Two opposite outer chain plates and pin shafts are assembled to form an outer chain link. The inner chain plate and the pin shaft are assembled to form an independent inner chain link. A sleeve is provided on the pin shaft between the outer chain plates. A roller is provided on the sleeve between the inner chain plates. An annular groove is formed in the end of the pin shaft at the contact surface of the outer chain plate and the inner chain plate on the same side. The annular groove in the end of the pin shaft allows the lubricating oil to flow smoothly between the pin shaft and the sleeve, reducing the friction between the pin shaft and the sleeve during operation, improving the wear resistance of the chain, and prolonging the service life of the motorcycle chain.

[0007] Further, the annular groove is provided on both ends of the pin shaft.

[0008] Further, one end of the pin shaft is a round rivet structure, and the other end is an expanded rivet structure, preventing the chain plate from falling off.

[0009] Further, the outer chain plate is a straight plate structure, the width of the middle part is consistent with the maximum width of the two ends, so as to increase the overall tensile strength of the outer chain plate.

[0010] Further, the two ends of the outer chain plate are circular arc structures.

[0011] Further, the inner chain plate is a straight plate structure, the width of the middle part is consistent with the maximum width of the two ends, so as to increase the overall tensile strength of the outer chain plate.

[0012] Further, the two ends of the inner chain plate are circular arc structures.

[0013] Further, the size of the outer chain plate and the inner chain plate is consistent.

[0014] Further, the diameter of the through hole on the inner chain plate is larger than the diameter of the through hole on the outer chain plate.

[0015] The utility model discloses beneficial effects:

[0016] 1, through the annular groove of end portion makes lubricating oil more smoothly immerse between pin shaft and pipe cover, thereby reduces the friction when running between pin shaft and pipe cover, thereby improves the wear resistance of chain, prolongs the service life of motorcycle chain.

[0017] 2, the outer chain plate and the inner chain plate are provided as straight strip structures, so as to increase the overall tensile strength. DRAWINGS

[0018] Fig. 1 is the partial sectional structure schematic diagram of the utility model.

[0019] Fig. 2 is the three-dimensional structure schematic diagram of the utility model.

[0020] Fig. 3 is the setting structure schematic diagram of the pin shaft of the utility model.

[0021] In the drawing: 1, outer chain plate, 2, inner chain plate, 3, pin shaft, 4, pipe cover, 5, roller, 6, annular groove. DETAILED DESCRIPTION

[0022] The utility model will be further described in connection with specific embodiment, but will not limit the utility model to these specific embodiments. Those skilled in the art should realize that the utility model covers all alternatives, improvements and equivalent schemes possibly included in the scope of claims.

[0023] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more, unless otherwise explicitly limited.

[0024] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] In the utility model, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0026] Referring to Figs. 1-3The utility model provides a kind of wear-resistant motorcycle chain, including inner chain plate 2, outer chain plate 1, the outer chain plate 1 is installed to the outside of inner chain plate 2 to connect the inner chain plate 2 of adjacent radial, two opposite outer chain plates 1 are assembled to form outer link, the inner chain plate 2 is assembled to form independent inner link with pin shaft 3, the pin shaft 2 outer sleeve of between outer chain plate 1 is equipped with pipe sleeve 4, the pipe sleeve 4 between inner chain plate 2 is equipped with roller 5 outside, the end of pin shaft 3 is located in the position of same side outer chain plate 1 and inner chain plate 2 contact surface and is equipped with annular groove 6.This utility model through the annular groove 6 of end portion makes lubricating oil more smoothly immerse between pin shaft 3 and pipe sleeve 4, to reduce the friction when running between pin shaft 3 and pipe sleeve 4, to improve the wear resistance of chain, prolong the service life of motorcycle chain.

[0027] The utility model discloses the both ends of pin shaft 3 are equipped with annular groove 6, more favorably lubrication of motorcycle chain is filled to the pin shaft 3 of the utility model one end is round rivet structure, and the other end is expansion rivet structure, prevents chain plate from falling off.

[0028] The outer chain plate 1 of the utility model is straight plate shape structure, and the both ends are circular arc structure, and the width of the middle part is consistent with the maximum width of both ends, so that the overall tensile strength of the outer chain plate is increased.The inner chain plate 2 is straight plate shape structure, and the both ends are circular arc structure, and the width of the middle part is consistent with the maximum width of both ends, so that the overall tensile strength of the outer chain plate is increased.The size of the outer chain plate 1 and the inner chain plate 2 is consistent.The diameter of the through hole provided on the inner chain plate 2 is greater than the diameter of the through hole provided on the outer chain plate 1.

[0029] The utility model through the annular groove of end portion makes lubricating oil more smoothly immerse between pin shaft and pipe sleeve, to reduce the friction when running between pin shaft and pipe sleeve, to improve the wear resistance of chain, prolong the service life of motorcycle chain.

Claims

1. A wear-resistant motorcycle chain, comprising inner chain plates and outer chain plates, wherein the outer chain plates are mounted on the outside of the inner chain plates to connect radially adjacent inner chain plates, two opposing outer chain plates are assembled with pins to form outer chain links, the inner chain plates are assembled with pins to form independent inner chain links, the pins between the outer chain plates are fitted with sleeves, and the sleeves between the inner chain plates are fitted with rollers, characterized in that: The end of the pin has an annular groove at the contact surface between the outer and inner chain plates on the same side.

2. The wear-resistant motorcycle chain according to claim 1, characterized in that: Both ends of the pin are provided with annular grooves.

3. The wear-resistant motorcycle chain according to claim 1, characterized in that: One end of the pin is a round riveting structure, and the other end is an expansion riveting structure.

4. The wear-resistant motorcycle chain according to claim 1, characterized in that: The outer chain plate has a straight plate structure, and the width of its middle part is the same as the maximum width of its two ends.

5. The wear-resistant motorcycle chain according to claim 4, characterized in that: The two ends of the outer chain plate are arc-shaped structures.

6. The wear-resistant motorcycle chain according to claim 4, characterized in that: The inner chain plate has a straight plate structure, and the width of its middle part is the same as the maximum width of its two ends.

7. The wear-resistant motorcycle chain according to claim 6, characterized in that: The two ends of the inner chain plate are arc-shaped structures.

8. The wear-resistant motorcycle chain according to claim 6, characterized in that: The outer and inner chain plates are the same size.

9. The wear-resistant motorcycle chain according to claim 1, characterized in that: The diameter of the through hole on the inner chain plate is larger than the diameter of the through hole on the outer chain plate.

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