TWM642193U - Motorcycle and stopper member thereof - Google Patents

Abstract

A locomotive includes a power unit and a transmission mechanism. The power unit has a drive shaft. The transmission mechanism has a belt, a front pulley, a rear pulley and a stopper. There is a distance between the front pulley and the rear pulley, the belt is respectively connected to the front pulley and the rear pulley and has a bare section, the stopper has a stop surface, and the stop surface corresponds to the bare section and has a distance from the edge of the bare section.

Description

Locomotives and their stops

This case relates to a locomotive, especially a locomotive with a transmission mechanism.

The locomotive provides people with a convenient and labor-saving vehicle. It outputs power through a power unit, and the transmission mechanism transmits the output power to the wheels to rotate the wheels to generate moving power. Since the transmission mechanism is very important for a locomotive, without the transmission mechanism, the wheels will not be able to rotate smoothly. Therefore, how to optimize the transmission mechanism becomes very important.

One of the embodiments of this case provides a locomotive, including: a power unit and a transmission mechanism, the power unit includes a drive shaft; the transmission mechanism includes a front pulley, a rear pulley, a belt and a stopper, the front The pulley is connected to the drive shaft, and there is a distance between the front pulley and the rear pulley; the belt is respectively connected to the front pulley and the rear pulley and has a bare section; the stopper includes a positioning column and a stop block , the stop block is connected to the positioning post and has a stop surface, and the stop faces the exposed section and has a distance from a side edge of the exposed section.

In this embodiment, when the belt slips laterally during the driving process, the stopper will stop the lateral movement of the belt, so as to avoid contact and friction between the belt and other parts, and also have the effect of positioning to fix the belt. The location of the belt.

The detailed technical characteristics and advantages of this case are described in detail below in the implementation manner, and its content is enough to make those who are familiar with the technical field of this case understand the technical content of this case and realize it accordingly, and according to the content disclosed in this specification, the scope of patent application And drawings, anyone familiar with the general knowledge of the technical field of this case can easily understand the relevant purpose and advantages of this case.

Please refer to FIG. 1 , according to an embodiment, the locomotive includes a locomotive body 10 , a power unit 20 , a transmission mechanism 30 , a rocker arm 40 and a cover 50 . The various embodiments of this case are introduced respectively below through the assistance of drawings.

First of all, one of the embodiments is shown in Figure 1. Among the various components of the locomotive, the components other than the power unit 20, the transmission mechanism 30, the rocker arm 40 and the cover body 50 are the locomotive body 10 referred to in this embodiment. The locomotive body 10 includes a rear wheel 12 . FIG. 1 shows the exterior view of the locomotive, and FIG. 2 shows the corresponding connection relationship between the components in the transmission mechanism 30 and the power unit 20 , rocker arm 40 and rear wheel 12 .

As shown in FIG. 1 , the power unit 20 is arranged inside the locomotive body 10 and is driven by the power unit 20 to provide power for the locomotive to travel. Please refer to Fig. 2 again, which is a partial cross-sectional view of the section line A-A in Fig. 1, and Fig. 3 is a partial enlarged schematic diagram of the dotted circle circle B in Fig. 2, and it can be shown that the power unit 20 includes a drive shaft 22 from Fig. 1 in conjunction with Fig. 6 22 is used to drive the transmission mechanism 30 to operate. Taking this embodiment as an example, the power unit 20 can be an engine or a motor. In any case, all those that can be used as the power source of the locomotive are the power unit 20 referred to in this embodiment.

Please refer to Fig. 6 and shown in Fig. 4 and Fig. 7A～F, transmission mechanism 30 comprises a front pulley 32, a rear pulley 34, a belt 36 and a stopper 38, front pulley 32 connects drive shaft 22, for receiving The driving of the drive shaft 22 forms the rotation. There is a distance between the front pulley 32 and the rear pulley 34. The distance referred to in this embodiment refers to the minimum distance between the outer edge of the front pulley 32 and the outer edge of the rear pulley 34. The belt 36 is connected to the front pulley 32 and the rear pulley 34. When the pulley 32 rotates, the transmission of the belt 36 can drive the rear pulley 34 to rotate, and the rear pulley 34 is connected to the rear wheel 12. When the rear pulley 34 rotates, the rear pulley 12 can be driven to rotate, so that the locomotive can generate forward power.

Please refer to Fig. 2 and Fig. 3, the direction that belt 36 is away from rear wheel is defined as outward, otherwise is inward. Please refer to shown in Fig. 5, belt 36 is respectively sheathed in the partial outside of front pulley 32 and rear pulley 34, because front pulley 32 has distance with rear pulley 34, makes belt 36 have between front pulley 32 and rear pulley 34. A bare segment 362 . As shown in FIG. 3, the stopper 38 includes a positioning post 384 and a stop block 385. The stop block 385 is connected to the positioning post 384 and has a stop surface 382, and the stop surface 382 corresponds to the exposed section 362 and There is a distance D1 from one side edge of the exposed section 362, and the stop surface 382 can have a distance D1 from the inner edge or the outer edge of the exposed section 362. The following description takes the stop surface 382 and the outer edge of the exposed section 362 as examples. illustrate.

When the belt 36 drives the rear pulley 34 to rotate, the belt 36 may slide laterally along the ring side of the front pulley 32, especially the probability of sliding outward is relatively high. At this time, the stop surface 382 will partially or fully Contact with the outer edge of the belt 36, and play a stop effect on the belt 36, so as to prevent the belt 36 from partially or completely slipping out of the front pulley 32, or rubbing against other components to cause noise or wear, and also has the function of positioning the belt 36 position The effect. In addition, the stop surface 382 corresponding to the bare section 362 means that when the belt 36 laterally slips, at least a part of the stop surface 382 contacts the outer edge of the belt 36 , or the entire stop surface 382 contacts the outer edge of the belt 36 .

The other embodiments of the present case are introduced below respectively according to the figures. First, as shown in Figure 5, the exposed section 362 includes an upper exposed subsection 3622 and a lower exposed subsection 3624, and the stop surface 382 can correspond to the upper exposed subsection 3622 or the lower exposed subsection 3624, both of which can achieve the aforementioned Prevent the belt 36 from slipping excessively and reduce wear and tear. As shown in Figure 5, the rotation direction of the belt 36 presents counterclockwise rotation, as can be seen from Figures 5 and 6, when the front pulley 32 drives the rear pulley 34 to rotate, the upper exposed subsection 3622 will be tightened to become a tight side, a lower The exposed subsection 3624 will loosen and become a loose edge, so that the lower exposed subsection 3624 is easy to loosen and therefore the stop surface 382 corresponding to the outer edge of the lower exposed subsection 3624 has a better stopping effect on the belt 36 . In addition, in some embodiments, the belt 36 and the front pulley 32 have a point of tangency P3, the belt 36 and the rear pulley 34 have a point of tangency P4, and there is a distance L1 between the point of tangency P3 and the point of tangency P4, and the distance between the stopper 38 and the point of tangency P3 The distance L2, when the distance L2 is much smaller than the distance L1, makes the stop surface 382 adjacent to the front pulley 32 have a very good stop effect. During the assembly process of the transmission mechanism 30, when the belt 36 wraps around the front pulley 32 or the rear pulley 34, the stop surface 382 can also play a positioning effect, so that the assembly of the belt 36 becomes quite easy.

Next please refer to FIGS. 7A-7F , the following introduces the embodiments of various stoppers 38 corresponding to the outer edge of the belt 36 . In the embodiment of Fig. 7A, the thickness T1 of the stop member 38 is equivalent to the thickness T2 of the belt 36, and the position of the stop member 38 is slightly higher than the position of the belt 36, so that the stop surface 382 is partially in contact with the local outer edge of the belt 36 to Produces a stop effect. In the embodiment of FIG. 7B , the thickness T1 of the stopper 38 is equivalent to the thickness T2 of the belt 36 , and the position of the stopper 38 is substantially equal to the position of the belt 36 . In the embodiment of FIG. 7C , the position of the stopper 38 is substantially equal to that of the belt 36 , but the thickness T1 of the stopper 38 is smaller than the thickness T2 of the belt 36 . Both FIG. 7B and FIG. 7C show that the entire stop surface 382 is in contact with the outer edge of the belt 36 to produce a stop effect. In the embodiment of Fig. 7D, the horizontal position of the stop member 38 is equal to the horizontal position of the belt 36, and the thickness T1 of the stop member 38 is greater than the thickness T2 of the belt 36, so that the stop surface 382 is partially in contact with the entire outer edge of the belt 36 to Produces a stop effect. FIG. 7E shows another embodiment of the belt 36. The belt 36 includes a belt body 364 and a rack 366. The rack 366 is arranged on one side of the belt body 364. As shown in FIG. 7E, the rack 366 is arranged on the inside of the belt body 364. , for contacting the front pulley 32 and the rear pulley 34, in this embodiment, the position of the stop surface 382 is substantially equal to the position of the belt body 364, so that the stop surface 382 produces a stop effect on the belt body 364. The corresponding relationship between the stopper 38 and the belt 36 in the embodiments of FIGS. 7A to 7D can be applied to the belt body 364 of the belt 36 in FIG. 7E . Finally, please refer to FIG. 7F, the stop surface 382 is located on a second imaginary plane P2, the outer edge of the belt 36 is located on a first imaginary plane P1, and the first imaginary plane P1 and the second imaginary plane P2 form an acute angle θ, so that the stop The face 382 locally contacts the outer edge of the belt 36 to create a stop effect. The acute angle θ is between 0° and 5° including 0° and 5°. In addition, as shown in FIG. 7F , the opening of the acute angle θ is not limited to facing upward, and the opening of the acute angle θ can also be downward.

Please refer to FIG. 4 , another embodiment of the present case is provided with a first baffle plate 322 and a second baffle plate 324 at intervals along the circumference of the front pulley 32 , and the belt 36 is located between the first baffle plate 322 and the second baffle plate 324 , the first baffle 322 and the second baffle 324 have a positioning effect, so that the belt 36 is positioned on the front pulley 32 . Referring to Fig. 3, the distance D1 between the stop surface 382 and the belt 36 in one embodiment is 0.1 to 0.5 centimeters, and referring to Fig. 4, the distance D2 between the inner surface of the second baffle plate 324 and the outer edge of the belt 36 is greater than spacing D1. Therefore, when the belt 36 slips, the outer edge of the belt 36 will be stopped by the stopper 38 first and will not collide with the second baffle plate 324, so as to avoid friction between the belt 36 and the second baffle plate 324. noise.

Please refer to Fig. 6, according to one embodiment, the two ends of the rocker arm 40 are respectively connected to the front pulley 32 and the rear pulley 34, and the stopper 38 is fixed on the rocker arm 40. In one embodiment, the stopper 38 is fixed on the rocker arm 40 bottom surface, so that the stopper 38 corresponds to the lower exposed subsection 3624.

Please refer to FIG. 8 to FIG. 10 , the following describes the embodiment of the stopper 38 , as shown in FIG. 10 , the stopper block 385 and the positioning post 384 can be a single component integrally formed, or two separate components. The material of the stop block 385 can be plastic or metal. In one embodiment, the stop surface 382 is a smooth surface, so as to reduce the friction between the outer edge of the belt 36 and the stop surface 382 . Please refer to FIG. 9 , in one embodiment, the stop block 385 is a collar 386 , the collar 386 is pivotally mounted on the positioning column 384 , and a circumferential surface of the collar 386 stops against the stop surface 382 . In this embodiment, the collar 386 can rotate relative to the positioning post 384 , and when the belt 36 touches the stop surface 382 , the collar 386 can rotate to reduce the friction between the outer edge of the belt 36 and the stop surface 382 And reduce the noise of the contact between the two.

Please refer to FIG. 8 and FIG. 3 at the same time. In this embodiment, the positioning column 384 is fixed to the rocker arm 40 by a nut. The stop block 385 includes a bearing 387 and a guide wheel 388 , the bearing 387 is pivotally mounted on the positioning post 384 , the guide wheel 388 is sleeved on the bearing 387 , and a circumferential surface of the guide wheel 388 stops at the stop surface 382 . When the belt 36 contacts the stop surface of the guide wheel 388, the guide wheel 388 can rotate relative to the positioning column 384 based on the bearing 387, so that the friction force generated by the stop member 38 against the outer edge of the belt 36 can be greatly reduced and then reduced. wear and tear. In one embodiment, the stop block 385 includes a bearing 387, a guide wheel 388 and a first fixing member 380, the bearing 387 is pivotally arranged on the positioning column 384, the guide wheel 388 is sleeved on the bearing 387, and the guide wheel 388 A circumferential surface stops at the retaining surface 382, and the first fixing member 380 is used to maintain the bearing 387 in the guide wheel 388 (see FIG. 3). The first fixing member 380 may be, but not limited to, a C-shaped buckle. It can be seen from FIG. 3 that the guide wheel 388 has an inner groove 390 (see FIG. 3 ), and the first fixing member 380 is disposed in the inner groove 390 to maintain the bearing 387 in the guide wheel 388 . In one embodiment, the stop member 38 further includes two dust-proof covers 389 and a second fixing member 381, the two dust-proof covers 389 are respectively arranged on both sides of the guide wheel 388, and the second fixing member 381 is used to hold the stop block 385 And the second dust cover 389 is limited to the positioning column 384, and the second fixing member 381 can be but not limited to a C-shaped buckle. Please see FIG. 3 , in one embodiment, the end of the positioning column 384 (the bottom of FIG. 3 ) has an outer groove 391 (see FIG. 8 ), and the second fixing member 381 is fixed in the outer groove 391 to secure the stopper 385 and the two The dustproof cover 389 is limited between the outer groove 391 and the protruding ring 3841 of the positioning post 384 . Dustproof cover 389 can reduce dust, foreign matter to enter guide wheel and influence the rotation of Bearing 387.

Please refer to Fig. 6 and shown in Fig. 1, according to one embodiment, utilize locomotive to have cover body 50 (shown with dotted line in Fig. 6) to shield the characteristic of belt 36 in transmission mechanism 30, this embodiment sets stop member 38 on cover Inside the body 50, the cover body 50 covers the belt 36 and the stopper 38 at the same time, so as to prevent sludge, dust, water or other external forces or foreign objects from affecting the stopper 38, so as to extend the stopper 38 service life.

Although the technical content of this case has been disclosed above with various embodiments, it is not used to limit the scope of protection of this case. Anyone who is familiar with the common knowledge in the field of this case and does not deviate from the spirit of this case makes any changes or modifications. Therefore, the scope of protection in this case should be based on the content stated in the scope of the patent application.

10: Locomotive body 12: rear wheel 20: Power unit 22: drive shaft 30: transmission mechanism 32: front pulley 322: the first baffle 324: second baffle 34: rear pulley 36: belt 362: naked segment 3622: Upper bare subsection 3624: The next exposed subsection 364: belt body 366: Rack 38: stopper 380: the first fixing part 381: the second fixing part 382: stop surface 384: positioning column 3841: convex ring 385: stop block 386: Collar 387: Palin 388: guide wheel 389: dust cover 390: inner groove 391: Outer Groove 40: rocker arm 50: cover body A: Sectional line P1: the first imaginary plane P2: Second imaginary plane P3: cut point P4: cut point L1: distance L2: Distance D1: Spacing D2: Spacing T1: Thickness T2: Thickness θ: acute angle

Fig. 1 depicts the exterior view of an embodiment of the locomotive of this case. FIG. 2 is a cross-sectional view of the line A-A in FIG. 1 . FIG. 3 shows a partially enlarged view of the dotted circle B in FIG. 2 . Fig. 4 shows a top view of the power unit, transmission unit and wheels of an embodiment of the present case. FIG. 5 is a schematic diagram of a transmission system according to an embodiment. Fig. 6 shows a partial side view of an embodiment of the present case. 7A-7F are diagrams illustrating various embodiments of the belt and the stopper of the present case. FIG. 8 is a schematic diagram of an embodiment of the stopper in this case. FIG. 9 shows a schematic diagram of an embodiment of the stopper in this case. FIG. 10 shows a schematic diagram of an embodiment of the stopper in this case.

30: transmission mechanism

32: front pulley

36: belt

38: stopper

380: the first fixing part

381: the second fixing part

382: stop surface

384: positioning column

387: Palin

388: guide wheel

389: dust cover

390: inner groove

40: rocker arm

50: cover body

D1: Spacing

Claims (19)

A locomotive comprising: a power unit including a drive shaft; and a transmission mechanism including: a front pulley connected to the drive shaft; a rear pulley with a distance from the front pulley; a belt connected to the front pulley and the rear pulley have an exposed section; and a stopper, including a positioning column and a stop block, the stop block is connected to the positioning column and has a stop surface, and the stop surface should be exposed segment and has a distance from one side edge of the bare segment. The locomotive according to claim 1 includes a cover covering the stopper. The locomotive according to claim 1, wherein the exposed section includes an upper exposed subsection and a lower exposed subsection, and the stopper faces the side edge of the lower exposed subsection. The locomotive according to claim 3, wherein the stopper faces the outer edge of the lower exposed subsection. The locomotive according to claim 1, wherein the bare section includes a belt and a rack, the rack is arranged on one side of the belt; the stopper faces the side edge of the belt. The locomotive of claim 1, wherein the stop surface is adjacent to the front pulley. The locomotive according to any one of claims 1 to 6, comprising a rocker arm, two ends of the rocker arm are respectively connected to the front pulley and the rear pulley, and the positioning post is fixed to the rocker arm. The locomotive as described in claim 7, wherein the stop block includes a bearing and a guide wheel, the bearing is pivotally arranged on the positioning column, the guide wheel is sleeved on the bearing, and a circumferential surface of the guide wheel is the stop surface. The locomotive according to claim 8, wherein the stop block further includes a first fixing part, and the first fixing part is used to maintain the bearing in the guide wheel. The locomotive as described in claim 9, wherein the stop member further includes two dust-proof covers and a second fixing member, the two dust-proof covers are respectively arranged on both sides of the guide wheel, and the second fixing member is used to stop the stop The block and the two dust-proof covers are limited to the positioning post. The locomotive according to claim 7, wherein the stop block is a collar, the collar is pivotally mounted on the positioning post, and a peripheral surface of the collar is the stop surface. The locomotive according to claim 1, wherein the distance is 0.1 to 0.5 cm mm. The locomotive as described in claim 12, wherein the stop block includes a bearing, a guide wheel and a first fixing member, the bearing is pivotally arranged on the positioning column, the guide wheel is sleeved on the bearing, and the guide One of the circumferential surfaces of the wheel is the stop surface, and the first fixing part is used to maintain the bearing in the guide wheel; the stop part also includes two dust-proof covers and a second fixing part, and the two dust-proof covers are respectively set On both sides of the guide wheel, the second fixing piece is used to limit the stop block and the two dust-proof covers to the positioning post. A stopper, comprising: a positioning post; and a stop block connected to the positioning post and having a stop surface. The stopper as claimed in claim 14, wherein the stopper comprises a bearing And a guide wheel, the bearing is pivotally arranged on the positioning column, the guide wheel is sleeved on the bearing, and a circumferential surface of the guide wheel is the stop surface. The stopper according to claim 15, wherein the stopper further includes a first fixing part, and the first fixing part is used to maintain the bearing in the guide wheel. The stopper as described in claim 16, wherein the stopper further includes two dust-proof covers and a second fixing part, and the two dust-proof covers are respectively arranged on both sides of the guide wheel, and the second fixing part is used to The stop block and the two dust-proof covers are limited on the positioning column. The stopper as described in Claim 14, wherein the stop block is a collar, the collar is pivotally mounted on the positioning column, and a circumferential surface of the collar is the stop surface. The stopper according to claim 14, wherein the positioning post and the stop block are integrally formed as a single component.

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