Component for human-powered vehicle
The component addresses the issue of tension adjuster contact with external objects by incorporating a protection portion that overlaps with the tension adjusting section, ensuring protection and reliable operation of human-powered vehicle components.
Patent Information
- Application Number
- JP2023181340
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2023-10-20
- Publication Date
- 2025-05-02
AI Technical Summary
The tension adjusting section of human-powered vehicle components may come into contact with external objects while in use, potentially damaging the tension adjuster.
A component with a protection portion that overlaps with the tension adjusting portion, providing protection by being integrally formed with the mounting portion and extending radially to cover the tension adjusting section.
The protection portion effectively prevents the tension adjusting section from contacting external objects, thereby protecting the tension adjuster and ensuring reliable operation of the human-powered vehicle.
Smart Images

Figure 2025070791000001_ABST
Abstract
Description
[Technical field]
[0001] The present disclosure relates to components for human powered vehicles. [Background technology]
[0002] The rear derailleur disclosed in Patent Document 1 is, for example, a mechanical rear derailleur. The rear derailleur disclosed in Patent Document 1 has, for example, a tension adjustment unit for adjusting the tension of the cable. [Prior art documents] [Patent documents]
[0003] [Patent Document 1] JP 2000-247284 A Summary of the Invention [Problem to be solved by the invention]
[0004] A tension adjustment part of a component of a human-powered vehicle may come into contact with an object outside the human-powered vehicle while the vehicle is traveling. One object of the present disclosure is to provide a component that can suitably protect the tension adjustment part. [Means for solving the problem]
[0005] A component according to a first aspect of the present disclosure is a component for a human-powered vehicle that operates by pulling a cable, and includes: a mounting portion having a first central axis extending in a first axial direction, and configured to receive a tension adjustment portion for adjusting the tension of the cable; and a protective portion that protects the tension adjustment portion and is formed integrally with the mounting portion, wherein at least a portion of the protective portion is provided in a position that overlaps with at least a portion of the tension adjustment portion when viewed radially relative to the first central axis. According to the component of the first aspect, the protection portion makes it difficult for the tension adjustment portion to come into contact with objects outside the human-powered vehicle, and therefore the component can effectively protect the tension adjustment portion.
[0006] A component according to a second aspect of the present disclosure is a component for a human-powered vehicle that operates by pulling a cable, the component having a first central axis extending in a first axial direction and comprising: a mounting portion configured to receive a tension adjustment portion for adjusting the tension of the cable; and a protective portion that protects the tension adjustment portion, at least a portion of the protective portion being positioned to overlap at least a portion of the tension adjustment portion when viewed radially from the first central axis, the component being a derailleur. According to the component of the second aspect, the protection portion makes it difficult for the tension adjustment portion to come into contact with objects outside the human-powered vehicle, and therefore the component can effectively protect the tension adjustment portion.
[0007] In the component of a third aspect according to the first or second aspect of the present disclosure, the protective portion includes a protrusion configured to protrude in the radial direction from the mounting portion. According to the component of the third aspect, the protrusion can suitably protect the tension adjustment portion.
[0008] In a fourth aspect of the component according to the third aspect of the present disclosure, the protrusion includes a first end continuous with the mounting portion and a second end opposite to the first end. According to the component of the fourth aspect, the protrusion is continuous with the attachment portion, and therefore the tension adjustment portion can be protected in an appropriate manner.
[0009] In the component of the fifth aspect according to the fourth aspect of the present disclosure, the mounting portion includes an opposing portion that faces the tension adjustment portion in the first axial direction in an attached state in which the tension adjustment portion is attached to the mounting portion, and the first end portion is continuous with the opposing portion. According to the component of the fifth aspect, the first end of the protruding portion is continuous with the opposing portion, and therefore the protruding portion can suitably protect the tension adjusting portion.
[0010] In a component of a sixth aspect according to the fourth or fifth aspect of the present disclosure, the protrusion extends obliquely relative to the mounting portion, radially outward from the first central axis center relative to the first central axis center, as it moves from the first end toward the second end. According to the component of the sixth aspect, the protrusion is unlikely to interfere with the tension adjustment unit, so that the tension adjustment unit can adjust the tension appropriately.
[0011] In the component of a seventh aspect according to any one of the fourth to sixth aspects of the present disclosure, the protrusion has a tapered shape narrowing from the first end toward the second end. According to the component of the seventh aspect, the protruding portion is unlikely to interfere with the tension adjustment portion, so that the tension adjustment portion can suitably adjust the tension.
[0012] In a component of an eighth aspect according to any one of the fourth to seventh aspects of the present disclosure, the first end is provided over a range of 10 degrees or more and 180 degrees or less in a circumferential direction of the mounting portion relative to the first central axis. According to the component of the eighth aspect, the protrusion is provided over a range of 10 degrees or more and 180 degrees or less in the circumferential direction of the mounting portion relative to the first central axis, so that the tension adjuster can be protected in an optimal manner.
[0013] In a component of a ninth aspect according to any one of the fourth to eighth aspects of the present disclosure, the mounting portion has a first mounting portion end and a second mounting portion end disposed away from the first mounting portion end in the first axial direction, the first mounting portion end being located closer to the tension adjustment portion than the second mounting portion end in an attached state in which the tension adjustment portion is attached to the mounting portion, and the second end being located on the opposite side of the second mounting portion end to the first mounting portion end in the first axial direction. According to the component of the ninth aspect, the second end is located on the opposite side of the first attachment portion end to the second attachment portion end in the first axial direction, so that the tension adjusting portion can be protected in an optimal manner.
[0014] In a component of a tenth aspect according to any one of the fourth to ninth aspects of the present disclosure, the mounting portion includes a first hole into which the cable is inserted and a first engagement portion provided in the first hole, the tension adjustment portion includes an axial member into which the cable is inserted and a second engagement portion provided on an outer surface of the axial member and engaging with the first engagement portion, and at least a portion of the first end is provided in a position overlapping with the first engagement portion when viewed from the radial direction. According to the component of the tenth aspect, the first end portion is provided at a position overlapping with the first engagement portion when viewed in the radial direction, and therefore the first engagement portion can be protected.
[0015] In a component of an eleventh aspect according to a tenth aspect of the present disclosure, the tension adjustment portion further includes a tubular member having a second hole in which at least a portion of the axial member is disposed, the tubular member having a first tubular member end and a second tubular member end disposed away from the first tubular member end in the first axial direction, the first tubular member end being located closer to the mounting portion in the first axial direction than the second tubular member end, and the second end being located between the first tubular member end and the second tubular member end in the first axial direction. According to the component of the eleventh aspect, the protrusion can protect the portion between the first tubular member end and the second tubular member end.
[0016] In the component of the twelfth aspect according to any one of the third to ninth aspects of the present disclosure, the side of the protrusion facing the tension adjustment portion has a shape in which the center is recessed along the tension adjustment portion. According to the component of the twelfth aspect, the protruding portion is unlikely to interfere with the tension adjustment portion, so that the tension adjustment portion can suitably adjust the tension.
[0017] In a component of a thirteenth aspect according to any one of the first to twelfth aspects of the present disclosure, at least a part of the protective portion is located farther from a center plane along the fore-and-aft direction of the human-powered vehicle than the mounting portion when the component is mounted to the human-powered vehicle. According to the component of the thirteenth aspect, the protective portion is located farther from the center plane in the fore-and-aft direction of the human-powered vehicle than the mounting portion, thereby effectively protecting the tension adjustment portion from objects external to the human-powered vehicle.
[0018] The component of a fourteenth aspect according to any one of the first to thirteenth aspects of the present disclosure includes a base member having a frame mounting portion for mounting to a frame of the human-powered vehicle, the mounting portion being integrally formed with the base member. According to the component of the fourteenth aspect, since the protective portion is formed integrally with the base member, the protective portion is unlikely to separate from the base member, and therefore the protective portion can suitably protect the tension adjusting portion.
[0019] In the component of the fifteenth aspect according to the fourteenth aspect of the present disclosure, when the component is attached to the human-powered vehicle, the first central axis is configured to be inclined by 30 degrees or more and 45 degrees or less with respect to the central plane when viewed from a direction parallel to the central plane along the fore-and-aft direction of the human-powered vehicle. According to the component of the fifteenth aspect, the protective portion can suitably protect the tension adjustment portion attached to the attachment portion that is inclined at an angle of 30 degrees or more and 45 degrees or less with respect to the central plane.
[0020] A component of a 16th aspect according to the 14th or 15th aspect of the present disclosure includes a movable mechanism that moves relative to the base member by pulling the cable, the movable mechanism including a wire connection portion that is connected to the cable, and when the component is attached to the human-powered vehicle, the protective portion is located farther from a center plane along the fore-and-aft direction of the human-powered vehicle than the wire connection portion. According to the component of the sixteenth aspect, the protection portion can suitably protect the tension adjustment portion at a position farther from the center plane in the front-rear direction of the human-powered vehicle than the wire connecting portion.
[0021] A component according to a seventeenth aspect of the first aspect of the present disclosure, wherein the component is a derailleur. According to the component of the seventeenth aspect, the protective part can suitably protect the tension adjustment part of the derailleur.
[0022] In the component of the eighteenth aspect according to the second or seventeenth aspect of the present disclosure, the derailleur is a rear derailleur. According to the component of the eighteenth aspect, the protective part can suitably protect the tension adjustment part of the rear derailleur.
[0023] In a component of a 19th aspect according to an 18th aspect of the present disclosure, the rear derailleur includes a base member, a movable member arranged to be movably relative to the base member, a link mechanism connecting the movable member to the base member, and a pulley assembly connected to the movable member to be rotatable in a circumferential direction about a first rotational axis, the pulley assembly including at least one pulley having a second rotational axis different from the first rotational axis. According to the component of the nineteenth aspect, the protector can suitably protect a tension adjustment part of a rear derailleur in which the first rotation axis, which is the pivot axis of the pulley assembly, is different from the second rotation axis of the pulley. Effect of the Invention
[0024] The components of the present disclosure provide excellent protection for tension adjustments. [Brief description of the drawings]
[0025] [Figure 1] 1 is a front view showing the periphery of a rear wheel axle of a human-powered vehicle including a component for a human-powered vehicle according to an embodiment. FIG. [Diagram 2]2 is a plan view showing the periphery of a rear wheel axle of the human-powered vehicle including components for the human-powered vehicle of FIG. 1. [Diagram 3] FIG. 2 is a perspective view showing the periphery of a rear wheel axle of the human-powered vehicle including components for the human-powered vehicle of FIG. 1. [Figure 4] FIG. 2 is a front view of the rear derailleur for the human-powered vehicle of FIG. 1. [Diagram 5] FIG. 5 is an enlarged view of the rear derailleur for the human-powered vehicle of FIG. [Figure 6] 5 is an enlarged view of the rear derailleur for a human-powered vehicle shown in FIG. 4, viewed in the axial direction of the first central axis. [Figure 7] 5 is an enlarged view of the rear derailleur for a human-powered vehicle shown in FIG. 4, viewed from a direction perpendicular to the first central axis. [Figure 8] 5 is an enlarged view showing a tension adjustment portion, a mounting portion, a protective portion, and a wire connection portion of the rear derailleur for a human-powered vehicle shown in FIG. 4. [Figure 9] FIG. 7 is a cross-sectional view of the rear derailleur for the human-powered vehicle of FIG. 6. [Figure 10] 13 is an enlarged view of a modified rear derailleur for a human-powered vehicle as viewed in the axial direction of the first central axis. FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
[0026] <Embodiment> A component 20 for a human-powered vehicle according to an embodiment will be described with reference to Figs. 1 to 9. A human-powered vehicle is a vehicle that has at least one wheel and can be driven at least by human-powered driving force. Human-powered vehicles include various types of bicycles, such as mountain bikes, road bikes, city bikes, cargo bikes, hand bikes, and recumbents. The number of wheels that a human-powered vehicle has is not limited. Human-powered vehicles also include, for example, one-wheeled vehicles and vehicles with two or more wheels. Human-powered vehicles are not limited to vehicles that can be driven only by human-powered driving force. Human-powered vehicles include E-bikes that use not only human-powered driving force but also the driving force of an electric motor for propulsion. E-bikes include electrically assisted bicycles whose propulsion is assisted by an electric motor. Hereinafter, in the embodiment, a human-powered vehicle will be described as a bicycle.
[0027] In this specification, the following directional terms "front," "rear," "forward," "rearward," "left," "right," "sideways," "upward," and "downward," as well as any other similar directional terms, refer to those directions determined with reference to a rider in a reference position on the human-powered vehicle (e.g., on a saddle or seat) facing the handlebars.
[0028] The human-powered vehicle has, for example, wheels, a vehicle body, and a crank. The wheels include, for example, front and rear wheels. The vehicle body includes, for example, a frame 10. The crank includes, for example, a crankshaft that is rotatable relative to the frame 10, and two crank arms provided at each end of the crankshaft in the axial direction. For example, a pedal is connected to each crank arm.
[0029] The rear wheel is driven, for example, by the rotation of a crank. The rear wheel is supported, for example, by a frame 10. A wheel axle 14 of the rear wheel has a rear wheel central axis C. The crank is connected to the rear wheel, for example, by a drive mechanism. The drive mechanism includes, for example, a rear sprocket 12 and a chain 16. The drive mechanism includes, for example, a plurality of rear sprockets 12.
[0030] The drive mechanism further includes, for example, at least one front sprocket connected to the crankshaft. The chain 16 is, for example, wound around the front sprocket and the rear sprocket 12. The chain 16 transmits, for example, the rotational force of the front sprocket to the rear sprocket 12.
[0031] As shown in FIG. 1, a component 20 for a human-powered vehicle is attached to a frame 10 of the human-powered vehicle. The component 20 is operated, for example, by traction of a cable 22. The component 20 includes, for example, a base member 24. The base member 24 has, for example, a base member main body 24A. The base member 24 has, for example, a frame attachment portion 24B for attachment to the frame 10 of the human-powered vehicle. The base member 24 is attached to the frame 10 so that, for example, movement of the base member 24 relative to the frame 10 is restricted. The base member 24 is, for example, configured by a single member. The base member 24 is formed, for example, by a single material. The base member 24 is formed, for example, by a metal material. The metal material includes, for example, aluminum, titanium, or chrome molybdenum steel. The frame attachment portion 24B is, for example, formed integrally with the base member main body 24A. The frame attachment portion 24B may be formed separately from the base member main body 24A.
[0032] The component 20 shown in FIG. 1 and FIG. 8 includes a movable mechanism 26 that moves relative to the base member 24 by, for example, pulling the cable 22. The cable 22 includes, for example, an inner wire 22A and an outer case 22B that houses the inner wire 22A. The movable mechanism 26 moves relative to the base member 24 by pulling the inner wire 22A. One end of the inner wire 22A is attached to, for example, the movable mechanism 26, and the other end of the inner wire 22A is attached to, for example, an operating device for operating the component 20. When the component 20 operates, for example, the movable mechanism 26 moves relative to the base member main body 24A by pulling the cable 22. The movable mechanism 26 includes, for example, a wire connecting portion 26A that is connected to the cable 22. For example, one end of the inner wire 22A is connected to the wire connecting portion 26A.
[0033] 1 to 3, the component 20 is, for example, a derailleur 28. The component 20 may be a braking device for a human-powered vehicle. The derailleur 28 is, for example, a rear derailleur 30. The derailleur 28 may be a front derailleur. In the following, the component 20 will be described as the rear derailleur 30.
[0034] The rear derailleur 30 is configured to be able to change a gear ratio, which is, for example, a ratio of the rotational speed of the rear wheel to the rotational speed of the crank. The rear derailleur 30 is configured to change the gear ratio, for example, by shifting the chain 16 from one of the multiple rear sprockets 12 to another one. The user operates an operating device for operating the component 20 to change the pulling amount of the inner wire 22A. The rear derailleur 30 moves the position of the movable member 32 relative to the multiple rear sprockets 12 in accordance with the pulling amount of the inner wire 22A. By moving the position of the movable member 32 relative to the multiple rear sprockets 12, a gear shifting operation is performed in which the chain 16 is shifted from one of the multiple rear sprockets 12 to another one of the multiple rear sprockets 12.
[0035] 4, the rear derailleur 30 includes, for example, a base member 24, a movable member 32, a link mechanism 34, and a pulley assembly 36. The movable member 32 and the link mechanism 34 are included in, for example, the movable mechanism 26. The base member body 24A is connected to the movable member 32 via the link mechanism 34.
[0036] 1 to 3, the frame 10 includes, for example, a component mounting member 10A. The component mounting member 10A is a member for mounting the component 20 to the frame 10. The component mounting member 10A is, for example, configured as a separate member from the frame 10. The component 20 is mounted to the frame 10, for example, by attaching the base member 24 to the frame 10 via the component mounting member 10A. The rear derailleur 30 is mounted to the frame 10 via, for example, the component mounting member 10A.
[0037] For example, a frame mounting portion 24B is attached to one end of the component mounting member 10A. For example, a frame 10 is attached to the other end of the component mounting member 10A. The other end of the component mounting member 10A is attached to the frame 10 by, for example, a bolt. The central axis of the bolt coincides with, for example, the rear wheel central axis C of the wheel axle 14 of the rear wheel.
[0038] The frame mounting portion 24B has a mounting surface 24C facing the component mounting member 10A. When the component 20 is mounted to the human-powered vehicle, the mounting surface 24C is parallel to a center plane CP along the front-rear direction B1 of the human-powered vehicle. The mounting surface 24C may be in direct contact with the component mounting member 10A. For example, a washer may be provided between the mounting surface 24C and the component mounting member 10A.
[0039] The component mounting member 10A may be omitted. When the component mounting member 10A is omitted, the component 20 is directly mounted to the frame 10, for example, by the frame mounting portion 24B. When the component mounting member 10A is omitted, the mounting surface 24C may be in direct contact with the frame 10, for example. A washer, for example, may be provided between the mounting surface 24C and the frame 10.
[0040] The movable member 32 is, for example, disposed so as to be movable relative to the base member 24. The movable member 32 is, for example, attached to the base member 24 so as to be movable relative to the base member 24. The movable member 32 is configured to move in a direction toward and away from the frame 10 when, for example, the rear derailleur 30 is attached to the human-powered vehicle.
[0041] The link mechanism 34, for example, connects the movable member 32 to the base member 24. The link mechanism 34 is, for example, connected to the base member main body 24A so as to be rotatable. The link mechanism 34 includes, for example, an inner link member 34A and an outer link member 34B. For example, when the rear derailleur 30 is attached to the frame 10, the outer link member 34B is disposed at a position farther from the frame 10 than the inner link member 34A.
[0042] The pulley assembly 36 is, for example, connected to the movable member 32 so as to be rotatable in the circumferential direction of the first rotation axis R1. The pulley assembly 36 includes, for example, at least one pulley 38 having a second rotation axis R2. The pulley assembly 36 includes, for example, at least one of an inner guide plate 44 and an outer guide plate 46.
[0043] The at least one pulley 38 includes, for example, a guide pulley 40 that guides the chain 16. The guide pulley 40 is configured to engage, for example, the chain 16. The guide pulley 40 is rotatably attached to at least one of the inner guide plate 44 and the outer guide plate 46 about a second rotation axis R2. The second rotation axis R2 is, for example, different from the first rotation axis R1.
[0044] The pulley assembly 36 includes, for example, a tension pulley 42 that maintains tension on the chain 16. The tension pulley 42 is configured to engage, for example, the chain 16. The tension pulley 42 is rotatably attached to at least one of the inner guide plate 44 and the outer guide plate 46 about a third rotation axis R3. The third rotation axis R3 is different from, for example, the first rotation axis R1 and the second rotation axis R2.
[0045] The wire connecting portion 26A is attached to, for example, the link mechanism 34. The wire connecting portion 26A is provided on, for example, an inner link member 34A. For example, a change in the amount of traction of the inner wire 22A causes the link mechanism 34 to rotate relative to the base member 24. For example, a change in the position of the movable member 32 relative to the multiple rear sprockets 12 causes a change in the gear ratio.
[0046] 4 to 9, the component 20 includes, for example, an attachment portion 50 and a protective portion 52. The component 20 includes, for example, a tension adjustment portion 48. The tension adjustment portion 48 adjusts, for example, the tension of the cable 22. The tension adjustment portion 48 adjusts, for example, the tension of the inner wire 22A. The tension adjustment portion 48 is configured to be operable, for example, by a user.
[0047] As shown in Fig. 3, the tension adjustment unit 48 has a first central axis C1 extending in the first axial direction A1. When the component 20 is attached to the human-powered vehicle, the first central axis C1 is configured to be inclined, for example, by 30 degrees or more and 45 degrees or less with respect to the central plane CP when viewed from a direction parallel to the central plane CP along the front-rear direction B1 of the human-powered vehicle. When the component 20 is attached to the human-powered vehicle, the first central axis C1 is configured to be inclined, for example, by 34 degrees or more and 40 degrees or less with respect to the central plane CP when viewed from a direction parallel to the central plane CP along the front-rear direction B1. When the component 20 is attached to the human-powered vehicle, the inclination angle X of the first central axis C1 with respect to the central plane CP when viewed from a direction parallel to the central plane CP along the front-rear direction B1 is, for example, 35.2 degrees.
[0048] As shown in FIG. 5, the mounting portion 50 is configured to mount, for example, the tension adjustment portion 48. The mounting portion 50 is provided, for example, on the base member 24. The mounting portion 50 is formed, for example, integrally with the base member 24. The mounting portion 50 is provided, for example, on the base member main body 24A. The mounting portion 50 extends, for example, from the base member main body 24A toward the first axial direction A1. In an attached state in which the tension adjustment portion 48 is attached to the mounting portion 50, the central axis of the mounting portion 50 coincides, for example, with the first central axis C1.
[0049] 9, the attachment portion 50 includes, for example, a first hole 50D into which the cable 22 is inserted, and a first engagement portion 50E provided in the first hole 50D. The first engagement portion 50E includes, for example, a female thread.
[0050] The tension adjustment unit 48 is attached to, for example, the attachment unit 50. The tension adjustment unit 48 includes, for example, an axial member 56 into which the cable 22 is inserted, and a second engagement portion 56B that is provided on an outer surface 56A of the axial member 56 and engages with the first engagement portion 50E. The second engagement portion 56B includes, for example, a male thread.
[0051] The shaft member 56 includes, for example, an insertion hole 56C into which the cable 22 is inserted. The insertion hole 56C includes, for example, a first insertion hole 56D and a second insertion hole 56E having a diameter larger than that of the first insertion hole 56D. An end of the outer case 22B is inserted into the second insertion hole 56E. A portion of the inner wire 22A protruding from the outer case 22B is inserted into the first insertion hole 56D. A portion of the inner wire 22A on the opposite side to the outer case 22B than the portion of the inner wire 22A disposed in the first insertion hole 56D is inserted into the first hole 50D of the mounting portion 50. A portion of the inner wire 22A drawn out from the first hole 50D is connected to the wire connecting portion 26A.
[0052] The tension adjuster 48 further includes, for example, a tubular member 58 having a second hole 58A in which at least a portion of the shaft member 56 is disposed. The tubular member 58 has, for example, a first tubular member end 58B and a second tubular member end 58C disposed away from the first tubular member end 58B in the first axial direction A1. The first tubular member end 58B is located closer to the attachment portion 50 than the second tubular member end 58C in the first axial direction A1.
[0053] The tension adjustment unit 48 further includes, for example, a biasing member 60 that biases the tubular member 58. The biasing member 60 is disposed, for example, in the second hole 58A. The biasing member 60 is disposed, for example, between the shaft member 56 and the tubular member 58 in the first axial direction A1. The biasing member 60 biases, for example, the tubular member 58 toward the attachment unit 50. The biasing member 60 includes, for example, a coil spring.
[0054] 7, the mounting portion 50 includes, for example, a facing portion 50A that faces the tension adjusting portion 48 in the first axial direction A1 in an attached state in which the tension adjusting portion 48 is attached to the mounting portion 50. The facing portion 50A includes, for example, a first mounting portion end portion 50B. The facing portion 50A faces, for example, a first cylindrical member end portion 58B of the cylindrical member 58.
[0055] The mounting portion 50 has, for example, a first mounting portion end 50B and a second mounting portion end 50C disposed away from the first mounting portion end 50B in the first axial direction A1. For example, in an attached state in which the tension adjustment portion 48 is attached to the mounting portion 50, the first mounting portion end 50B is located closer to the tension adjustment portion 48 than the second mounting portion end 50C. For example, in an attached state in which the tension adjustment portion 48 is attached to the mounting portion 50, the second mounting portion end 50C is located closer to the wire connecting portion 26A of the movable mechanism 26 than the first mounting portion end 50B.
[0056] As shown in FIG. 9, the component 20 further includes, for example, an annular member 54. The annular member 54 protects the mounting portion 50 from wear and the like that occurs in the mounting portion 50 due to friction caused by the operation of the cable 22. The mounting portion 50 includes, for example, a recess 50F. The recess 50F is provided, for example, in the second mounting portion end portion 50C. The recess 50F is provided, for example, in the second mounting portion end portion 50C so as to be recessed in the first axial direction A1 from the end face of the second mounting portion end portion 50C. The annular member 54 is disposed, for example, in the recess 50F. The annular member 54 is, for example, press-fitted into the recess 50F. The annular member 54 may be attached to the recess 50F by an adhesive or the like. The annular member 54 may be omitted.
[0057] The shaft member 56 has, for example, a first shaft member end 56F and a second shaft member end 56G disposed away from the first shaft member end 56F in the first axial direction A1. For example, in an attached state in which the tension adjustment unit 48 is attached to the attachment unit 50, the first shaft member end 56F is located closer to the annular member 54 than the second shaft member end 56G. For example, in an attached state in which the tension adjustment unit 48 is attached to the attachment unit 50, the second shaft member end 56G is located on the cylindrical member 58 side.
[0058] The user can adjust the tension of the cable 22, for example, by turning the tubular member 58 by hand. The user can change the amount of threading of the male thread of the second engagement portion 56B into the female thread of the first engagement portion 50E, for example, by turning the tension adjustment portion 48 by hand. The tension of the inner wire 22A changes as the amount of threading of the male thread of the second engagement portion 56B into the female thread of the first engagement portion 50E is changed, and the tension of the inner wire 22A is adjusted. For example, when the tubular member 58 rotates so that the shaft member 56 approaches the annular member 54, the tension of the inner wire 22A is weakened. For example, when the tubular member 58 rotates so that the shaft member 56 moves away from the annular member 54, the tension of the inner wire 22A is strengthened.
[0059] 5 to 7, the protective portion 52 protects, for example, the tension adjustment portion 48. The protective portion 52 protects, for example, the tension adjustment portion 48 and is formed integrally with the mounting portion 50. When the mounting portion 50 is formed integrally with the base member 24, the protective portion 52 may be formed integrally with the base member 24. The protective portion 52 protects, for example, the tension adjustment portion 48 so that the tension adjustment portion 48 does not come into contact with objects outside the human-powered vehicle. Objects outside the human-powered vehicle are, for example, obstacles on the driving path, the ground, gravel, etc.
[0060] The protective portion 52 is formed of, for example, metal. The protective portion 52 may be formed of resin. When the protective portion 52 and the mounting portion 50 are integrally formed, for example, the protective portion 52 and the mounting portion 50 are formed of the same material. The protective portion 52 and the mounting portion 50 may be integrally formed by, for example, at least one of casting and forging. When the protective portion 52 and the mounting portion 50 are integrally formed and the protective portion 52 is formed of resin, the protective portion 52 may be integrally formed with the mounting portion 50 by insert molding.
[0061] At least a part of the protective portion 52 is provided at a position overlapping with at least a part of the tension adjustment portion 48, for example, when viewed in the radial direction relative to the first central axis C1. At least a part of the protective portion 52 covers, for example, the radial outside of at least a part of the tension adjustment portion 48. At least a part of the protective portion 52 is provided at a position overlapping with at least a part of the tubular member 58, for example, when viewed in the radial direction relative to the first central axis C1. At least a part of the protective portion 52 is provided at a position overlapping with at least a part of the tension adjustment portion 48, for example, in the first axial direction A1. At least a part of the protective portion 52 is disposed at the same position as at least a part of the tension adjustment portion 48, for example, in the first axial direction A1.
[0062] As shown in Figures 2 and 3, at least a portion of the protective portion 52 is located, for example, on a side farther from the center plane CP in the fore-and-aft direction B1 of the human-powered vehicle than the mounting portion 50 when the component 20 is mounted to the human-powered vehicle.
[0063] When the component 20 is attached to the human-powered vehicle, the protective part 52 is located, for example, farther from the center plane CP along the front-rear direction B1 of the human-powered vehicle than the wire connecting part 26A. When the component 20 is attached to the human-powered vehicle, the wire connecting part 26A is located, for example, closer to the center plane CP than the mounting part 50 and the protective part 52. When the component 20 is attached to the human-powered vehicle and in an attachment state in which the tension adjusting part 48 is attached to the mounting part 50, at least a part of the tension adjusting part 48 is located, for example, closer to the center plane CP than at least a part of the protective part 52.
[0064] The protective portion 52 includes a protruding portion 62 configured to protrude radially from the mounting portion 50, for example. The protruding portion 62 protrudes from the base member main body 24A, for example. As shown in FIG. 7 and FIG. 9, the protruding portion 62 extends obliquely with respect to the mounting portion 50, from the first central axis C1 toward the radially outward direction with respect to the first central axis C1, for example, as it moves from the first end portion 62A to the second end portion 62B. The protruding portion 62 extends linearly so as to be inclined with respect to the first central axis C1, for example. The inclination angle of the protruding portion 62 with respect to the first central axis C1 is, for example, 5 degrees or more and smaller than 90 degrees. The inclination angle of the protruding portion 62 with respect to the first central axis C1 is, for example, 10 degrees or more and smaller than 45 degrees.
[0065] As shown in FIG. 7 to FIG. 9, the protrusion 62 includes, for example, a first end 62A that is continuous with the mounting portion 50, and a second end 62B that is opposite to the first end 62A. The second end 62B is formed, for example, flat. The second end 62B is located, for example, in the first axial direction A1, on the opposite side to the second mounting portion end 50C with respect to the first mounting portion end 50B. The second end 62B is not located, for example, between the first mounting portion end 50B and the second mounting portion end 50C in the first axial direction A1. The second end 62B is located, for example, outside the region between the first mounting portion end 50B and the second mounting portion end 50C in the first axial direction A1. The first end 62A is, for example, continuous with the opposing portion 50A of the mounting portion 50. The first end 62A is, for example, continuous with the first mounting portion end 50B of the tension adjustment portion 48.
[0066] At least a part of the first end 62A is provided at a position overlapping, for example, the first engaging portion 50E when viewed from the radial direction relative to the first central axis C1. In a mounting state in which the tension adjusting portion 48 is mounted on the mounting portion 50, at least a part of the first end 62A is provided at a position overlapping, for example, the second engaging portion 56B when viewed from the radial direction relative to the first central axis C1. The second end 62B is located, for example, between the first cylindrical member end 58B and the second cylindrical member end 58C in the first axial direction A1. The second end 62B is located, for example, closer to the first cylindrical member end 58B than the second cylindrical member end 58C in the first axial direction A1. The amount of protrusion of the protruding portion 62 on the second cylindrical member end 58C side from the first mounting portion end 50B is shorter than the length of the portion of the mounting portion 50 on the second mounting portion end 50C side from the first mounting portion end 50B in the first axial direction A1.
[0067] The protrusion 62 has, for example, a tapered shape that narrows from the first end 62A toward the second end 62B. The protrusion 62 has, for example, a tapered shape that narrows from the first end 62A toward the second end 62B in a cross section including the protrusion 62 and the first central axis C1. The protrusion 62 has, for example, a tapered shape that narrows from the first end 62A toward the second end 62B when viewed from a direction parallel to the first axial direction A1.
[0068] 5 and 6, the first end 62A is provided, for example, over a range DX of 10 degrees or more and 180 degrees or less in the circumferential direction about the first central axis C1 of the mounting portion 50. The second end 62B is provided, for example, over a range shorter than the range DX of the mounting portion 50 in the circumferential direction about the first central axis C1.
[0069] 5 and 6, the side surface 64 of the protruding portion 62 facing the tension adjusting portion 48 has a shape in which, for example, a central portion 64A is recessed along the tension adjusting portion 48. The central portion 64A is, for example, the center of the side surface 64 in the circumferential direction relative to the first central axis C1. The side surface 64 has a shape in which, for example, the central portion 64A is recessed so as to surround the tension adjusting portion 48. The outer side surface 66 of the protruding portion 62 on the radial opposite side to the side surface 64 has, for example, a flat shape. The outer side surface 66 may have a shape in which the central portion bulges in the circumferential direction relative to the first central axis C1.
[0070] <Example of change> The description of the embodiments is merely an example of a form that the components according to the present disclosure may take, and is not intended to limit the form. The components according to the present disclosure may take, for example, modified examples of the embodiments shown below, and forms that combine at least two modified examples that are not mutually contradictory. In the modified examples below, parts that are common to the embodiments are given the same reference numerals as in the embodiments, and descriptions thereof are omitted.
[0071] The protective portion 52 may include a plurality of protruding portions 62. For example, each of the plurality of protruding portions 62 may be provided over a range of 10 degrees or more and 180 degrees or less in the circumferential direction of the mounting portion 50 with respect to the first central axis C1.
[0072] The shape and dimensions of the protrusion 62 can be changed as appropriate. For example, the protrusion 62 extends from the first end 62A toward the second end 62B, from the first central axis C1 radially outward relative to the first central axis C1, so as to curve relative to the mounting portion 50. The protrusion 62 may include a first portion extending parallel to the first central axis C1 radially outward relative to the first central axis C1, and a second portion that is continuous with the first portion and extends parallel to the first central axis C1.
[0073] The shape and dimensions of the protective portion 52 are not limited as long as it can protect the tension adjusting portion 48. The protective portion 52 may be provided over a range of 180 degrees or more and 360 degrees or less in the circumferential direction of the mounting portion 50 relative to the first central axis C1. The protective portion 52 may be provided intermittently over a range of 180 degrees or more and 360 degrees or less in the circumferential direction of the mounting portion 50 relative to the first central axis C1. The protective portion 52 shown in FIG. 10 is provided so as to cover the entire circumference of the mounting portion 50 in the circumferential direction relative to the first central axis C1.
[0074] The component 20 for a human-powered vehicle is a component 20 for a human-powered vehicle that operates by pulling a cable 22, and includes a mounting part 50 having a first central axis C1 extending in a first axial direction A1 and configured to mount a tension adjustment part 48 for adjusting the tension of the cable 22, and a protective part 52 that protects the tension adjustment part 48 and is formed integrally with the mounting part 50, and other configurations may be omitted as long as at least a part of the protective part 52 is provided in a position overlapping at least a part of the tension adjustment part 48 when viewed in the radial direction relative to the first central axis C1. In this modified example, the component 20 may be, for example, a brake, an adjustable seat post, or a suspension.
[0075] The component 20 for a human-powered vehicle is a component 20 for a human-powered vehicle that operates by pulling a cable 22, and has a first central axis C1 extending in a first axial direction A1, and includes a mounting portion 50 configured to mount a tension adjustment portion 48 for adjusting the tension of the cable 22, and a protective portion 52 that protects the tension adjustment portion 48, and at least a portion of the protective portion 52 is provided in a position that overlaps with at least a portion of the tension adjustment portion 48 when viewed from a radial direction relative to the first central axis C1, and the component 20 is a derailleur 28, and other configurations may be omitted. In this modified example, for example, the protective portion 52 may be configured separately from the mounting portion 50 and attached to the mounting portion 50. In this modified example, for example, the protective portion 52 is attached to the mounting portion 50 by a bolt, an adhesive, or the like.
[0076] The term "at least one" as used herein means "one or more" of the desired options. As an example, the term "at least one" as used herein means "only one option" or "both of two options" if the number of options is two. As another example, the term "at least one" as used herein means "only one option" or "any combination of two or more options" if the number of options is three or more.
[0077] As used in this specification, ordinal numbers such as "first, second, and third" are used merely to distinguish between multiple elements having the same name and do not have any special meaning. [Explanation of symbols]
[0078] 10...frame, 20...component, 22...cable, 24...base member, 24B...frame mounting portion, 26...movable mechanism, 26A...wire connecting portion, 28...derailer, 30...rear derailleur, 32...movable member, 34...link mechanism, 36...pulley assembly, 38...pulley, 48...tension adjustment portion, 50...mounting portion, 50A...opposing portion, 50B...first mounting portion end, 50C...second mounting portion end, 50D...first hole, 50E...first engagement portion, 52...protective portion, 56...shaft member, 56A...outer surface, 56B...second engagement portion, 58...tubular member, 58A...second hole, 58B...first tubular member end, 58C...second tubular member end, 62...protruding portion, 62A...first end, 62B...second end, 64...side, 64A...central portion.
Claims
1. 1. A component for a human-powered vehicle operated by cable traction, comprising: a mounting portion having a first central axis extending in a first axial direction and configured to mount a tension adjustment portion for adjusting tension of the cable; a protective portion that protects the tension adjustment portion and is integrally formed with the mounting portion, A component, wherein at least a portion of the protective portion is positioned to overlap at least a portion of the tension adjustment portion when viewed in a radial direction relative to the first central axis.
2. 1. A component for a human-powered vehicle operated by cable traction, comprising: a mounting portion having a first central axis extending in a first axial direction and configured to mount a tension adjustment portion for adjusting tension of the cable; A protection portion that protects the tension adjustment portion, At least a portion of the protection portion is provided at a position overlapping at least a portion of the tension adjustment portion when viewed in a radial direction relative to the first central axis, The component is a derailleur.
3. The component of claim 1 or 2, wherein the protective portion includes a protrusion configured to protrude in the radial direction from the mounting portion.
4. The component of claim 3 , wherein the projection includes a first end contiguous with the mounting portion and a second end opposite the first end.
5. the mounting portion includes an opposing portion that faces the tension adjustment portion in the first axial direction in an attached state in which the tension adjustment portion is attached to the mounting portion, The component of claim 4 , wherein the first end is contiguous with the opposing portion.
6. The component of claim 4 , wherein the protrusion extends radially outward from the first central axis relative to the first central axis and obliquely relative to the mounting portion as the protrusion moves from the first end to the second end.
7. The component of claim 4 , wherein the protrusion has a tapered shape that narrows from the first end to the second end.
8. The component according to claim 4 , wherein the first end is provided over a range of 10 degrees or more and 180 degrees or less in a circumferential direction of the mounting portion with respect to the first central axis.
9. the mounting portion has a first mounting portion end and a second mounting portion end spaced apart from the first mounting portion end in the first axial direction, the first attachment portion end is located closer to the tension adjustment portion than the second attachment portion end in an attachment state in which the tension adjustment portion is attached to the attachment portion, The component of claim 4 , wherein the second end is located on an opposite side of the first mounting end from the first mounting end in the first axial direction.
10. the mounting portion includes a first hole into which the cable is inserted and a first engagement portion provided in the first hole, the tension adjustment portion includes a shaft member into which the cable is inserted, and a second engagement portion provided on an outer surface of the shaft member and engaging with the first engagement portion, The component according to claim 4 , wherein at least a portion of the first end is positioned to overlap the first engagement portion when viewed in the radial direction.
11. the tension adjustment portion further includes a tubular member having a second hole in which at least a portion of the shaft member is disposed, the tubular member has a first tubular member end and a second tubular member end spaced apart from the first tubular member end in the first axial direction; an end of the first tubular member is located closer to the attachment portion in the first axial direction than an end of the second tubular member; The component of claim 10 , wherein the second end is located between the first tubular member end and the second tubular member end in the first axial direction.
12. The component according to claim 3 , wherein a side surface of the protrusion facing the tension adjustment portion has a shape that is concave in the center along the tension adjustment portion.
13. 3. The component according to claim 1, wherein at least a portion of the protective portion is located farther from a center plane along the fore-and-aft direction of the human-powered vehicle than the mounting portion when the component is mounted to the human-powered vehicle.
14. a base member having a frame attachment portion for attachment to a frame of the human-powered vehicle; The component of claim 1 or 2, wherein the mounting portion is integrally formed with the base member.
15. 15. The component according to claim 14, wherein when the component is attached to the human-powered vehicle, the first central axis is inclined by 30 degrees or more and 45 degrees or less with respect to a central plane along a front-to-rear direction of the human-powered vehicle when viewed in a direction parallel to the central plane.
16. a movable mechanism that moves relative to the base member by pulling the cable; the movable mechanism includes a wire connection portion connected to the cable, The component according to claim 14 , wherein, in a state in which the component is attached to the human-powered vehicle, the protection portion is located farther from a center plane along the front-rear direction of the human-powered vehicle than the wire connection portion.
17. The component of claim 1 , wherein the component is a derailleur.
18. The component of claim 2 or 17, wherein the derailleur is a rear derailleur.
19. the rear derailleur includes a base member, a movable member arranged to be movable relative to the base member, a link mechanism connecting the movable member to the base member, and a pulley assembly connected to the movable member to be rotatable in the circumferential direction of a first rotation axis, the pulley assembly includes at least one pulley having a second axis of rotation; The component of claim 18 , wherein the second axis of rotation is different from the first axis of rotation.
Citation Information
Patent Citations
Derailer cable router and bicycle derailer
JP2000247284A