TW200940403A - Straddle-type vehicle and handle thereof - Google Patents

Abstract

It is an object of the present invention to provide a handle of a straddle-type vehicle capable of increasing the degree of freedom of the selection of a weight or damper reducing the vibration of the handle. A left handle 30L has a handlebar 31, a grip 32 and a weight 33. The handlebar 31 has a tubularly formed pipe part 31c. The grip 32 is fitted onto the pipe part 31c. The weight 33 has a part arranged on the inner side of the pipe part 31c, the part provided so as to be vibratable with respect to the handlebar 31 in the pipe part 31c. An abutting part 32c is formed on the grip 32, the abutting part 32c abutted on the weight 33 to buffer the vibration of the weight 33.

Description

200940403 IX. Description of the Invention: TECHNICAL FIELD OF THE INVENTION The present invention relates to a straddle type vehicle handle. In particular, the present invention relates to a technique for reducing the vibration of a handle generated during driving of a vehicle. [Prior Art] A conventional example of a handle includes a handle having a weight disposed on one of the inner sides of a tubular steering rod and relatively vibrating relative to the steering rod to suppress the vibration of the handle generated during traveling of a vehicle. For example, in one of the handles of Patent Document 1, an annular damper is assembled to a cylindrical weight housed in a steering rod, and the weight is supported by the damper to vibrate in the steering rod . In this handle, the weight and the size of the shock absorber are selected according to the frequency and amplitude of the vibration generated in the handle. [Patent Document 1] This Utility Model Patent Application (Jp_LT) No. 3_55938. SUMMARY OF THE INVENTION [Problems to be Solved by the Invention] However, since the weight and the damper are accommodated in the elongated tubular steering rod in the above-mentioned conventional handle, the self-selection degree is low. For example, it is difficult to increase the weight when maintaining the size of the damper or it is difficult to increase the damper while maintaining the dispensing time. A method for increasing the number of shock absorbers assembled to the counterweight in response to an increase in the shock absorber is also contemplated. However, unfortunately, the number of components constituting the handle is increased in this case. The present invention has been made in view of the above problems, and an object of the present invention is to provide 136008.doc 200940403 a straddle type vehicle capable of increasing the degree of freedom of the burying, counterweight, and shock absorber while suppressing an increase in the number of parts, and a handle thereof . [Method for Solving the Problems] In order to eliminate the above PI Bg, the straddle type vehicle handle package handle rod according to the present invention is provided with a 5 ^ portion; and y has a tubular shape at one end portion thereof. Tube (4) Baqi is assembled to the tube portion of the steering rod; and _ 丨· »_ has a score of $ in the tube portion of the steering rod, which is set to be vibratable relative to the steering rod. The grip has an abutment that abuts the counterweight to cushion the vibration of the counterweight. In order to eliminate the above problem, the straddle type vehicle according to the present invention has the above-described handle. ...f month can more freely choose the counterweight according to the frequency and amplitude of the vibration, and the increase in the number of cows in the suppression section is the vibration of the buffer weight of the armor. The cross-sitting vehicle is a vehicle in which a driver rides (where the driver sits across a seat). Examples include: a locomotive (including an electric small wheel locomotive), a motorcycle and a light-duty four-wheeled vehicle. [Embodiment] Hereinafter, embodiments of the present invention will be described with reference to the drawings. A side view of a locomotive i having a handle of % as an example of an embodiment of the present invention. 2 is a plan view of one of the handles 30. Figure 3 is a cross-sectional view taken along line ι of Figure 2. Figure 4 is an enlarged view of one of Figure 3. 136008.doc 200940403 As shown in Figure 1, in addition to the handle 30, the locomotive! There is also an engine 2, a front wheel 3, a rear wheel 4, a front 5 and a vehicle body frame 2〇. The vehicle body frame 20 includes a head pipe 21 and a main frame 22. The head officer 21 is located at the front end of the vehicle body frame 2〇. The main frame 22 has a front end connected to the head pipe 21. The main frame 22 is disposed to extend from the head pipe 21 in a downward direction toward the rear of the vehicle body, and the main frame 22 supports the engine 2 located below the main frame 22. The rear wheel 4 is disposed behind the engine 2. The rear φ wheel 4 has an axle 4a attached to the rear end of a rear arm 6. The rear arm 6 has a front end attached to a pivot 7 supported by the main frame 22. The rear wheel 4 is rotated by the driving force of the engine 2 transmitted from the engine 2 via a chain and a belt (chain and belt not shown). The seat U is disposed above the rear wheel 4, and a driver sits on the seat 11. The head tube 21 rotatably supports a steering shaft disposed on the inner side of the head tube 2 (the steering shaft is not shown to have an attachment to an upper end of the upper bracket 8 and an attachment to the lower end of the lower bracket 9) The upper bracket 8 and the lower bracket 9 each have a plurality of right end portions and a left end portion for clamping the upper portion of the front fork 5. The front wheel 3 is disposed between the front and the rear 5. Further, one of the five axles 3 of the wheel 3 a. The handle 3 〇 is attached to the upper end of the front 5. The handle 30 is rotated left and right to center the front fork 5 and the front wheel 3 on the steering. As shown in Figure 2, in the example set forth herein The handle 3〇 (the so-called separate handle) has a right handle 3〇R and a left handle 3〇1. The right handle and the left handle 30L have almost the same configuration, and the left handle 30L will be mainly described herein. As shown in FIG. 2 or FIG. 3, the left handle 3〇]1 has: a steering rod 3 136008.doc -9- 200940403 grip 32 grasped by the driver, once supported to be in the steering rod A counterweight 33 vibrating at a plurality of positions in the middle, and a shock absorber 36, 37 housed in the steering rod 31 and rotatably supporting the weight 33. The weight 33 is relative to the operation The rod 3 is "visually vibrated to suppress the vibration of the handle 30L. The steering rod 31 has a center side in the vehicle width direction fixed to the vehicle body. Specifically, a cylindrical attachment member 31b is in the vehicle width direction (Fig. 2 The direction indicated by W is provided on one of the centroid side end portions 3i & of the steering rod 31. The attachment member 31b fitted to the upper end of the front fork 5 is fixed to the upper end. The rod 31 has a tubular tube portion 31c which extends outwardly (see Fig. 3). A switch unit 39 is provided adjacent the central part of the tube portion, the switch unit 39 having a "on" flash or the like (see Fig. 2) The switch unit 39 has an annular shape, and the tube portion 31c is inserted into the switch unit 39. As shown in Fig. 3, the grip 32 is assembled to the tube portion 3 in the vehicle width direction.

Made of Ο materials such as rubber. The grip 32 has a cover). The grip 32 is covered by a bullet outside the tube portion 3 1 c

I36008.doc 200940403

On the outer side of the grip 32 (the end portion is like the outer side in the width direction of the handle) and the outer side outer side weight portion 35. The inner weight portion 34 has a cylindrical trunk line 34a having an unevenness The outer peripheral surface and a uniform outer diameter; and a plurality of (herein two) shock absorber clamping members 34b, 34c having an outer diameter smaller than the outer diameter of the trunk portion 34a. the trunk portion 34a and the damper are clamped The members 34b, 3 are diametrically located on the inner side of the tube portion 3ic of the steering rod 31. The outer diameter of one of the trunk portions 34a is slightly smaller than the inner diameter of the tube portion 31c. A gap is provided to the trunk portion 34a and the tube portion 31. (Between: The dampers 36, 37 are provided near the both end portions of the inner weight portion 34. The positions of the dampers are separated from each other along the extending direction of the tube portion 31c. Specific and δ, damper clamping The members 34b, 34c are provided with mutually opposite sides of the trunk portion 34a therebetween. Shock absorbers %, 37 having an annular shape are respectively fitted to the damper holding members 34b, 3, thereby defining the reduction The positions of the shock absorbers %, 37 are on the outer circumferential surface of the inner weight portion 34. The shock absorbers 36, 37 are made of an elastic material. For example, rubber is produced such that its outer peripheral surface is in contact with the inner circumferential surface of the tube portion 31c. Thereby, the damper "vibratesly supports the weight 33 in the tube portion 31c and absorbs the vibration of the weight 33. It is arranged to be aligned with the inner weight 3 4 in the extending direction of the pipe portion 3 1 c. The outer side weight portion 35 is fixed to the inner weight portion 34 by bolts 39. That is, as shown in FIG. 4, a bolt hole is provided. 34e is formed in the inner weight portion 34. A hole 35a is formed at the center of the outer weight portion 35, and the hole 35a penetrates the outer weight portion 35. The bolt 39 is fitted into the bolt hole 34e and the hole 3. The recessed member 35b is formed in the outer weight portion 35, which accommodates a head member 39a of the bolt 39. 136008.doc 200940403 One outer diameter of the outer weight portion 35 is larger than the outer diameter of the inner weight portion 34 Specifically, the outer weight portion 35 has a small-diameter member 35c whose outer diameter is almost the same as the inner diameter of the tube portion 3丨c, and a large-diameter member 35d whose diameter is larger than the diameter of the small-diameter member 35c. The two members are integrally formed. In the embodiment shown in Fig. 4, the outer diameter of the large diameter member 35d is almost the same as The outer diameter of the cylindrical portion 32a of 32 is the same. The large-diameter member 35d is located on the outer side of the small-diameter member 35c in the diametrical direction and is located at a position separated from the end portion 32b of the grip 32 in the vehicle width direction. 3 5 c is formed so as to protrude in the vehicle width direction to the center side (the inner weight portion 34 side). The small diameter member 35c has an end surface 35e that abuts against the end surface 34d of the inner weight portion 34. Cylindrical stopper The member 38 controls the movement of the weight 33 in the tube portion 31. In particular, as shown in Figure 4, the stop member 38 has a first end edge 38a that is curved outwardly in the diametrical direction. The edge 38a catches one end 31d of the tube portion 31c. A groove member 37a is formed in the outer peripheral surface of the damper 37, and the grooved groove member 37a extends in the circumferential direction. The stopper 38 has a second end edge 38b which is diametrically bent toward the center side, and the second end edge 38b is caught on the groove member 37a of the damper 37. A plurality of (two in this case) holes 31 [, 31f are formed in the tube portion 31c, and the holes 311 [·, 3 lf penetrate the tube portion 31c in the diametrical direction. The leaf spring members 38c, 38c are formed in the stoppers 38, and the leaf spring members 38 are elastically expanded outward in the diametrical direction. The leaf spring members: 38 (;, 38 〇 are assembled to the pipe portion 3 1 c hole 3 1 f, 3 1 f. Thereby, the movement of the weight 33 in the tube portion 31c is controlled. Here, the abutment portion 32e formed on the grip 32 will be explained. The abutment 136008. Doc 200940403 The portion 32 is formed on the outer side end portion 32b of the grip 32 in the vehicle width direction. The abutting portion 32c abuts the weight 33 on the outer side of the steering rod 3丨 in the vehicle width direction to buffer the weight 33 Vibration As shown in Fig. 4A, in the example described herein, the grip 32 has a barrel 卩32a extending outward in the vehicle width direction beyond the end 31d of the tube portion 31c, and located in the vehicle width direction. An end portion 32b at a position outwardly separated from the end portion 3 Id. The abutting portion 32c extending from the end portion 32b to the φ center side of the cylindrical portion 32a in the diametrical direction abuts the small-diameter member 3 of the outer weight portion 35 The outer peripheral surface of the brother. The abutting portion 32c vibrates to support the weight 33 at a position separated from the damper 37. The diametrical direction extends to the middle The side abutting portion 32c has an annular shape, and the entire inner circumferential surface of the abutting portion 32 is in contact with the outer peripheral surface of the small-diameter member 35c. The left handle 30L described above has a steering rod 31 having a tubular shape. a tube portion 31c is formed; a grip 32 is assembled to the tube portion 31c of the steering rod 31; and a weight 33' is located in the tube portion 3ic of the steering rod η and is set to be movable relative to the operation The abutment portion 32c is abutted against the weight 33 to cushion the vibration of the weight 33. Since the grip 32 cushions the vibration of the weight 33 in the left handle 30L, Therefore, the weight 33 or the dampers 36, 37 can be more freely selected according to the frequency and amplitude of the vibration while suppressing an increase in the number of components. In the left handle 30L, the weight 33 on the outer side of the grip 32 has exposure to the outside. The outer weight portion 35. Thereby, the degree of freedom in selecting the weight can be increased. In the left handle 30L, the 'weight 33 has an inner side 136008.doc 200940403 weight portion 34 on the inner side of the grip 32, and the outer portion is provided The diameter of the heavy portion 35 is larger than the diameter of the inner (four) heavy portion η. In the left handle 30L, the abutting portion 32 is located on the outer side of the tube portion 31〇 in the vehicle width direction. Thereby, the weight can be more effectively The vibration near the end portion 3 1 d of the steering rod 31 is reduced. In the left handle 30L, the grip 32 extends beyond the steering lever 31 in the vehicle width direction, and the abutting portion 32 is formed in the grip in the vehicle width direction. The outer end portion 32b is 32. Thereby, a portion of the grip 32 which is located on the outer side of the end portion 3id of the steering lever" is elastically deformed in accordance with the vibration of the weight 33. Even when the vibration amplitude of the steering lever 31 is large, the vibration can be effectively reduced. In the left handle 30L, the outer side weight portion 35 of the weight 33 located on the outer side of the grip 32 is disposed to be exposed outward. The abutting portion 32c abuts against the outer weight portion 35^, whereby the vibration in the vehicle width direction on the outer side of the handle 30 can be effectively reduced.握 The grip 32 has a cylindrical portion 32a covering the outer peripheral surface of the tube portion 31c. The abutting portion 32c extending from the end portion 32b of the tubular portion 32a to the center side of the tubular portion 31c in the diameter direction abuts against the outer peripheral surface of the outer weight portion 35. Thereby, the abutting portion 32c abuts against the outer weight portion 35' in the vibration direction of the weight 33 (the diameter direction of the tube portion 31c) and more effectively dampens the vibration of the left handle 3?L. The left handle 30L has dampers 36, 37 housed in the tube portion 31c of the steering lever 31 and oscillated to support the weight 33 on the inner side of the official portion 31c. Thereby, an elastic material having different elastic modulus can be used as the material constituting the shock absorbers %, 37 and the grip 32. By varying the elastic modulus of the elastic material constituting the dampers 36, 37 and the grip 32, the vibration of a wide frequency range can be effectively reduced. The present invention is not limited to the above-described left handle 30L, which may have different changes. For example, in the left handle 30, the abutting portion 32c abuts against the outer peripheral surface of the small-diameter member 35c of the outer weight adjacent portion 35. However, the abutting portion may be formed at a position where the abutting portion abuts against the end surface 35e of the small-diameter member 35c. Fig. 5 is a view showing an enlarged view of the left handle 300L as an example of the embodiment. In Fig. 5, the same reference numerals denote the same components as those of the above-described components, and the description thereof will be omitted. As shown in Fig. 5, in the left handle 300L, an abutting portion 32e projects in the diametrical direction from the inner circumferential surface of the cylindrical portion 32& of the grip 32 to the center side of the cylindrical portion 32a. One of the outer side surfaces 32h of the abutting portion 32e abuts against the end surface 35e of the small-diameter member 35c in the vehicle width direction. In the example shown in Fig. 5, the abutting portion 32e is sandwiched between the end surface 35e of the small-diameter member 35c and the end portion 31d of the tube portion 31c. In the above description, the abutting portions 32c, 326 project from the inner circumferential surface of the grip 32 to the center side in the diametrical direction. However, the inner circumferential surface of the grip 32 can be brought into contact with the outer peripheral surface of the weight 33 by increasing the outer diameter of the weight 33. Figure 1 is an expanded cross-sectional view of one of the left handles 3〇1L as an example of the embodiment. Also, the same reference numerals are given to the same parts as those of the above-mentioned parts, and the description thereof will be omitted. As shown in Fig. 6, in the left handle 301L, the outer weight portion 35 has a tapered member 35f formed in a central side portion in a tapered shape in the vehicle width direction. An abutting surface 32f formed on the inner circumferential surface of the end portion 32b of the grip 32 abuts against the outer peripheral surface of the tapered member 35f. 136008.doc •15- 200940403 In the above description, the abutting portion 32c or the abutting surface 32f of the grip 32 abuts against the weight 33 in the diameter direction of the tube portion 31c of the operating lever 31. However, the abutting portion abuts the weight 33 in the extending direction of the steering rod 31. Figure 7 is an expanded cross-sectional view of one of the left handles 302L in accordance with the present embodiment. Also, in FIG. 7, the same reference numerals denote the same components as those of the above-described components, and the description thereof will be omitted. As shown in Fig. 7, in the left handle 302L, the outer side end surface of the grip 32 in the vehicle width direction is abutted against the surface 32g. That is, the abutting surface 32g abuts in the extending direction of the steering rod 31. The large diameter member 35d of the outer weight portion 35. In the above description, the abutting portions 32c, 32e or the abutting surfaces 32f, 32g are provided on the outer side of the pipe portion 31c in the vehicle width direction. However, the abutting portion may be formed on the grip 32 which penetrates the tube portion 31c in the diametrical direction and abuts against the weight 33. Fig. 8 is a cross-sectional view showing a left handle 3〇3L as an example of the embodiment. As shown in Fig. 8, in the left handle 303L, a small-diameter member 34f is formed on the center side 内侧 of the inner weight portion 34 in the vehicle width direction. 'The diameter of one of the small-diameter members 34f is smaller than the diameter of the trunk portion 34a. . A plurality of (two in the present) holes 31g, 31g are formed in the tube portion 31 (; the holes 31g, 31g penetrate the tube portion 31ce in the diametrical direction on the other hand, and the abutting portions 32i, 32i are formed in the grip portion On the inner circumferential surface of 32, the abutting portions 32i, 32 2 project in the diametrical direction to the center side. The abutting portions 32i, 32i fit into the holes 31g, 31g' and the tips thereof abut against the outer periphery of the small-diameter member 34f In the steering rod 31, the tube portion 31c is provided from the center side end portion 3u to the outer side end portion 31d in the vehicle width direction. However, the tube portion 31c may be provided only in a middle portion of which the weight 33 is disposed on the steering rod Part of 31. 136008.doc • 16 · 200940403 When a throttle that rotates relative to the steering lever 31 is provided on the right handle, and the grip 32 of the right handle rotates with the throttle, it is different from the left handle 30L. The right handle grip 32 does not need to abut the weight 3 3 disposed in the grip to allow smooth rotation of the grip 3 2 and the throttle. In the above description, the locomotive is used as an example to illustrate the straddle type vehicle. However, the present invention is applicable to a snowmobile and a light-duty four-wheeled vehicle or the like.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side view of a locomotive having a handle according to an embodiment of the present invention. FIG. 3 is a plan view of the handle. FIG. 3 is a view along the line of FIG. FIG. 5 is an enlarged cross-sectional view of a handle according to another embodiment of the present invention. FIG. 6 is an enlarged cross-sectional view of a handle according to another embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 8 is an enlarged cross-sectional view of a handle according to another embodiment of the present invention. FIG. 8 is an enlarged cross-sectional view of a handle according to another embodiment of the present invention. [Main Symbol Description] 1 Locomotive 2 Engine 3 Front wheel 3a Wheelbarrow from 4 Rear wheel 4a Axle 136008.doc 200940403 ❿ 5 Front fork 6 Rear arm 7 Pivot 8 Upper bracket 9 Lower bracket 11 Seat 20 Vehicle body frame 21 Head tube 22 Main frame 30 Handle 30L Left handle 30R Right handle 31 Centering lever 31a Center side End portion 31b Attachment member 31c Tube portion 31d End portion 31f Hole 31g Hole 32 Grip 32a Tube portion 32b End portion 32c Abutment portion 32e Abutment portion 32h Outer surface 136008.doc • 18, 200940403

32f Abutment surface 32g Abutment surface 32i Abutment 33 Counterweight 34 Inner weight portion 34a Main pipe portion 34b Damping isolating member 34c Shock absorber holding member 34e Bolt hole 34d End surface 34f Small diameter member 35 Outside Weight portion 35a Sub L 35b Recessed member 35c Small diameter member 35d Large diameter member 35e End surface 35f Tapered member 36 Shock absorber 37 Shock absorber 37a Groove member 38 Cylindrical stopper 38a First end edge 38b Second End edge 136008.doc -19- 200940403

38c 39 39a 41 42 300L 301L 302L 303L Board unit Switch unit Head unit Bracket Joystick Left handle Left handle Left handle Left handle

136008.doc -20-

Claims (1)

200940403 X. Patent application scope: 1. A handle for a straddle type vehicle, comprising: - steering #, having a tubular portion formed at least at its end; a grip fitted to the steering rod And a weight, at least a portion of which is located in the tube portion of the #向杆, the weight is configured to be vibratable relative to the steering rod; wherein the grip has abutting the weight The abutting portion for damping the vibration of the weight. 2. The handle of a straddle type vehicle of the claim item, wherein the weight has one outer side of the grip and an outwardly facing outer side weight. 3) The handle of the straddle type vehicle of the present invention, wherein the weight further has an inner weight portion located inside the grip, and the outer weight portion has a diameter larger than a diameter of the inner weight portion. 4. The handle of the straddle type vehicle of claim 1, wherein the abutting portion is located on the outer side of the tube portion in the vehicle width direction. 5. The handle of the straddle type vehicle of claim 4, wherein the grip extends in the width direction of the vehicle to show the steering direction #, and the abutting portion # is formed in the vehicle width direction of the grip The outer end. 6) The handle of the straddle type vehicle of the present invention, wherein the weight has one outer side of the grip and is outwardly exposed to the outer side weight portion, and the abutting portion abuts the outer weight portion. 7. The handle of the straddle type vehicle of claim 6, wherein the grip has a tubular portion covering the outer peripheral surface of the official portion; and the abutting portion is 136008.doc 200940403 from the tubular portion The portion extends along the outer surface of the side weight portion of the tube portion in the direction of the τ<τ< ancient A and the 铋.铡 且 抵 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 The weight is oscillatably supported inside the tube portion. 9. A straddle-type vehicle having a handle as claimed. ❹ 136008.doc -2-