TW201446583A - An easy-pedaling and labor-saving bicycle - Google Patents

Abstract

An easy-pedaling and labor-saving bicycle comprises a frame, a front wheel set and a rear wheel set disposed on the frame, a transmission set driving the rear wheel set, and a pedal device driving the transmission set. The pedal device includes a crank disposed on the frame, a link-up member activating a rotation of a first link-up plate, a link-up strip disposed between an end of the crank and the link-up member, a pedal unit disposed at the other end of the crank, and a straining member disposed between the frame and the link-up strip. When a user pedals the pedal unit, the crank is applied as an extension of a moment arm for increasing a force moment imparting to the transmission set, driving the crank to swing downward easily, and allowing the other end of the crank to pull the link-up strip to rotate, whereby the link-up member, the transmission set, and the rear wheel of the rear wheel set are all driven for attaining an easy-pedaling effect, saving labors, and driving quickly.

Description

Bicycle with easy pedaling and effort

The invention relates to a bicycle, in particular to a bicycle with easy pedaling and labor saving.

Referring to FIG. 1 , the bicycle 1 includes a frame 11 pivoted on the frame 11 , a rear wheel 12 , 13 , and a pedal device 14 for driving the rear wheel 13 . The device 14 includes a front sprocket 141. The two are pivotally mounted on the frame 11 and coupled to the support arm 142 of the front sprocket 141, respectively connected to the foot pedal 143 on the front sprocket 141. The wheel 13 and the sprocket wheel 144 after the rear wheel 13 is rotated in one direction, and a chain 145 disposed between the front sprocket wheel 141 and the rear sprocket wheel 144; that is, when the user rides the bicycle 1 The pedal 143 is circumferentially rotated to sequentially pass through the front sprocket 141, the chain 145, and the rear sprocket 144 to drive the rear wheel 13 to rotate, thereby giving the bicycle 1 a forward force; It has been found that since the length of the support arm 142 is too short, the generated torque is limited, and it is more labor intensive, and it is necessary to improve.

Accordingly, it is an object of the present invention to provide a bicycle that is easy to pedal and labor-saving, which saves the user's effort when stepping on the pedal.

Therefore, the bicycle with easy pedaling and labor saving includes a frame, which is respectively disposed on the front frame of the frame, the rear wheel set, the drive group that drives the rear wheel set drive, and the drive set that drives the rear wheel set. Actuating the pedal device; wherein the pedal device comprises a crank pivoted on the frame, a linkage member for interlocking the rotation of the front linkage disc, and a linkage belt disposed between the end of the crank and the linkage member, a foot unit disposed at the other end of the crank, and a foot unit disposed at the a tensioning piece between the frame and the linkage belt; that is, when the user steps on the pedal unit, the crank acts as an extension of the force arm, and the torque applied to the transmission group is increased, so that the crank can be easily The crank is driven to swing downward, so that the other end of the crank will simultaneously pull the linkage belt to rotate, so that the linkage is linked to the linkage of the transmission group and the rear wheel group after the linkage is operated. It is effortlessly pedaled and achieves a fast driving effect.

3‧‧‧Bicycle

31‧‧‧ frame

32‧‧‧front wheel set

321‧‧‧Handle

322‧‧‧ front wheel

331‧‧‧ rear one-way bearing

33‧‧‧ Rear wheel set

332‧‧‧ Rear wheel

34‧‧‧Transmission group

341‧‧‧After linkage

342‧‧‧ Front linkage

343‧‧‧ drive belt

35‧‧‧foot device

351‧‧‧ crank

352‧‧‧ linkages

353‧‧‧ linkage belt

354‧‧‧foot unit

355‧‧‧tight pull parts

356‧‧‧ front one-way bearing

3521‧‧‧swing rod

3522‧‧‧Extension rod

3531‧‧‧First linkage belt

3532‧‧‧Second linkage belt

3511‧‧‧Action area

3512‧‧‧Linked area

3513‧‧‧ Telescopic rod

36‧‧‧Swing arm

37‧‧‧Flexible parts

38‧‧‧Extended group

381‧‧‧First rotating part

382‧‧‧Second rotating parts

383‧‧‧Connecting belt

39‧‧‧stop block

Figure 1 is a schematic view of a conventional bicycle.

Figure 2 is a schematic illustration of a first preferred embodiment of the present invention.

Figure 3 is an exploded view of the first preferred embodiment of the present invention.

Figure 4 is a plan view of a first preferred embodiment of the present invention.

Figure 5 is a schematic view showing the operation of the first preferred embodiment of the present invention.

Figure 6 is a schematic view showing the operation of the first preferred embodiment of the present invention.

Figure 7 is a schematic illustration of a second preferred embodiment of the present invention.

Figure 8 is a plan view of a second preferred embodiment of the present invention.

Figure 9 is a schematic view showing the operation of the second preferred embodiment of the present invention.

Figure 10 is a schematic view of a third preferred embodiment of the present invention.

Figure 11 is a plan view showing a third preferred embodiment of the present invention.

Figure 12 is a schematic view of a fourth preferred embodiment of the present invention.

Figure 13 is a schematic view of a fifth preferred embodiment of the present invention.

Figure 14 is a schematic view of a sixth preferred embodiment of the present invention.

The above and other technical contents, features, and advantages of the present invention will become apparent from the Detailed Description of the <RTIgt;

Before the present invention is described in detail, it is to be noted that in the following description, similar elements are denoted by phase numbers.

Referring to FIG. 2, FIG. 3 and FIG. 4, in the first preferred embodiment of the present invention, the bicycle 3 with easy pedaling and labor saving includes a frame 31 which is respectively disposed on the frame 31 before and after the rear wheel set 32, 33. a drive set 34 for driving the rear wheel set 33, and a pedal device 35 for driving the drive set 34; wherein the front wheel set 32 includes a handle frame 321 pivoted at one end of the frame 31, and a front wheel 322 is disposed at the end of the handle frame 321; further, the rear wheel set 33 includes a one-way bearing 331 pivoted to the other end of the frame 31, and a rear one-way bearing 331 is disposed on the The rear one-way bearing 331 transmits the rear wheel 332 in one direction; as shown in the embodiment, the transmission group 34 is connected to the frame 31 after the rotation of the rear one-way bearing 331 is included. The upper interlocking disc 342 and a driving belt 343 disposed between the front and rear interlocking discs 342 and 341 are exemplified.

Continuing the foregoing, the pedal device 35 includes a crank 351 pivotally mounted on the frame 31, and a linking member 352 for interlocking the rotation of the front linkage plate 342, and is disposed between one end of the crank 351 and the linking member 352. a linkage belt 353, a pedal unit 354 disposed at the other end of the crank 351, and a tensioning member 355 disposed between the frame 31 and the linkage belt 353 and having an elastic force, and the crank 351 has a An action area 3511 extending outward from the pivot point and connected to the foot unit 354, and a linking area 3512 extending outward from the pivot point and connected to the linkage belt 353. In this embodiment, in order to make the linkage The member 352 can only unidirectionally drive the front linkage plate 342 to rotate. Therefore, a front one-way bearing 356 or a general bearing can be disposed between the front linkage plate 342 and the linkage member 352, and the front linkage plate is the following in this embodiment. A front one-way bearing 356 is disposed between the 342 and the linking member 352 as an example. In addition, an elastic member 37 can be disposed between the crank 351 and the frame 31 so that the crank 351 can be easily returned to the original position after being stepped on. The crank 351 is returned through the elastic member 37, and at the same time Embodiment, when the swingable crank 351 in the lower inner section, on the frame 31 is provided with an outwardly projecting stop block 39 to limit the swinging range of the crank 351; As for the pull tight The member 355 can be a general telescopic spring as shown in the figure, or a vortex spring hidden in the linking member 352. In the figure, only a general telescopic spring is taken as an example, and in the embodiment, the interlocking belt 353 is The connecting device 352 is connected to the tensioning member 355 as an example. Finally, the pedal device 35 and the transmission group 34 can be symmetrically disposed on both sides of the frame 31, and the following is to avoid the drawing. Confusion, so mainly draw only one side for representation.

Referring to FIG. 3 and FIG. 5, in use, the user can ride on the bicycle 3 and step on the pedal unit 354 to apply a pressure amount to pivot the working area 3511 and the crank 351. The point is a force arm, so that the user can easily interlock the crank 351 to generate a rotation without using a large pedaling force, and the linkage area 3512 will pull the linkage belt 353, so that the linkage belt 353 is pulled. The linkage member 352 is rotated to cause the linkage member 352 to interlock with the front linkage plate 342, and the front linkage plate 342 is coupled to the rear linkage plate 341 through the transmission belt 343, thereby driving the rear wheel 332. Rotating to advance the bicycle 3; otherwise, referring to FIG. 6, when the user steps up, the elastic member 37 will drive the crank 351 to return, and the linkage 353 is also subjected to the tension member 355. Pulling back in reverse and rotating the linkage 352 in the other direction, and by the design of the front one-way bearing 356, the linkage 352 does not move when the linkage 352 is rotated in the other direction. The front linkage plate 342 is interlocked, and the front linkage 342 can continue to move forward due to an inertial force to rotate the rear wheel 332 interlocking also proceeds, so the foot repeatedly, the effort to drive the rear wheel 332 can easily generate a rotational force.

Referring to FIG. 7, in the second preferred embodiment of the present invention, the bicycle 3 still includes a frame 31, a front wheel set 32, a rear wheel set 33, a transmission set 34, a pedal device 35, and the like; The same as the first embodiment, it will not be described in detail; in particular, the linkage member 352 includes a rocking rod 3521 pivoted on the frame 31, and an extension rod respectively telescopically adjustable at both ends of the rocking rod 3521. In addition, the interlocking belt 353 includes a first linking belt 3531 disposed between the working area 3511 and the one extending rod 3522, and a first connecting rod 3532 disposed on the other extending rod 3522 and surrounding the rear linking plate 341. And the tight pull The second linkage strip 3532 is connected to the piece 355.

With reference to FIG. 8 , the extension rods 3522 can be telescopically adjusted on the swing rods 3521 , so that the distance of the extension rods 3522 protruding from the swing rods 3521 can be adjusted in time, thereby adjusting the length of the power arm. Referring to FIG. 9, when the pedal unit 354 is applied to apply a pressure amount, the pivoting point of the working area 3511 and the crank 351 is a force arm, and the crank 351 and the interlocking area 3512 are stretched and contracted. The adjustment design is adopted to adjust the length of the arm of the active area 3511, so that the user can easily interlock the crank 351 to generate a rotation without consuming a large pedaling force, so that the first linkage belt 3531 interlocks the linkage 352. A rotation is generated, and the linkage 352 also drives the second linkage belt 3532 and the rear wheel 332 to rotate during the rotation, thereby advancing the bicycle 3.

Referring to FIG. 10 and FIG. 11 , in the third preferred embodiment of the present invention, the bicycle 3 still includes a structure of the frame 31, the front wheel set 32, the rear wheel set 33, the transmission set 34, the pedal device 35, and the like; The functions of the first embodiment are the same as those of the first embodiment, and will not be described in detail; in particular, when the bicycle unit 3 is pedaled, the pedal unit 354 can exhibit a circumferential rotation, and the frame 31 and the pedal unit can be used. A swinging arm 36 is pivotally disposed between the 354, so that the pedal unit 354 can be pivoted on the swing arm 36, and can be displayed in a circumferential mode when stepping on the pedal, and the active area 3511 includes a plurality of sockets. The telescopic rod 3513; at the same time, in the present embodiment, two sets of pedal devices 35 are provided as an example for description.

Referring to FIG. 11 , in use, the user steps on the pedal unit 354 to apply a pressure to the pedal unit 354 . However, since the pedal unit 354 is limited by the swing arm 36 , the pedal unit is The 354 can only be circumferentially shaped, and then the linkage belt 353, the linkage member 352, the front linkage disc 342, the transmission belt 343, the rear linkage disc 341, and the rear wheel 332 are rotated, so that the bicycle 3 has a forward force before the forward advancement; The telescopic rod 3513 is designed to allow the user to push the pedal unit 354 forward, and the distance between the pedal unit 354 and the crank 351 is increased, so that the telescopic rods 3513 will be stretched. When the pedal unit 354 is swung back, the pivoting distance between the pedal unit 354 and the crank 351 is shortened, and the telescopic rods 3513 are shortened. The bicycle 3 can be made to have a circumferential swing mode when the bicycle 3 is actuated, so that the bicycle 3 can be easily familiar to the user.

Referring to FIG. 12, the fourth preferred embodiment of the present invention has the same main components as the first embodiment, and will not be described in detail; in particular, the pivoting position of the crank 351 can be further away from the distance of the pedal unit 354. The action area 3511 of the crank 351 is further extended, so that the crank 351 can swing downward more easily, thereby easily and labor-savingly interlocking the linkage member 352, the transmission group 34, and the rear wheel 332 to achieve a labor-saving effect. .

Referring to FIG. 13, in the fifth preferred embodiment of the present invention, the bicycle 3 still includes a structure of the frame 31, the front wheel set 32, the rear wheel set 33, the pedal device 35, the transmission set 34, and the like, and the structure and the first implementation. The examples are the same and will not be described in detail. In particular, in the embodiment, as shown in the figure, the frame 31 can be a reclining design, and the posture can be changed in addition to changing the pedal position. In addition to diversification, the action area 3511 of the crank 351 can be extended at the same time, so that the force is less labor-saving when stepping on.

Referring to FIG. 14, the bicycle 3 of the sixth preferred embodiment of the present invention still has the same main structure as that of the second embodiment, and will not be described in detail, in particular, the transmission process of the linkage member 352 and the rear linkage plate 341 An extension group 38 is disposed between the first rotation member 381 and the second rotation member 382 respectively pivotally mounted on the frame 31, and the plurality of first and second rotation members 381 and 382 are alternately connected. The connecting strip 383 is disposed between one end of the linking member 352 and one end of the second rotating member 382, and the other end of the second rotating member 382 is opposite the end of the first rotating member 381, and the second portion The interlocking belt 3532 is disposed at the other end of the first rotating member 381; so that the crank 351, the linking member 352, the first rotating member 381, and the second rotating member 382 can be disposed through the extension of the extending group 38. The action of the force arm makes the arm more prolonged, and the effect of applying the torque of the transmission group 34 is further increased, which makes the foot pedal more labor-saving and easy.

In summary, the present invention includes a crank provided on the frame, a linkage that interlocks the rotation of the front linkage, a linkage belt disposed between one end of the crank and the linkage, and a The other end of the crank a stepping unit and a tensioning member disposed between the frame and the linkage belt; therefore, when the user steps on the pedal unit, the crank acts as an extension of the force arm to increase the torque applied to the transmission group Therefore, the crank can be easily swung downward, so that the other end of the crank will pull the linkage belt to rotate, thereby interlocking the linkage, the transmission group, and the rear wheel group to drive the rear wheel, thereby achieving easy and labor-saving foot. Step and achieve a fast driving effect.

The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made in accordance with the scope of the present invention and the contents of the description of the invention. All should remain within the scope of the invention patent.

3‧‧‧Bicycle

31‧‧‧ frame

32‧‧‧front wheel set

321‧‧‧Handle

322‧‧‧ front wheel

33‧‧‧ Rear wheel set

332‧‧‧ Rear wheel

34‧‧‧Transmission group

341‧‧‧After linkage

342‧‧‧ Front linkage

343‧‧‧ drive belt

35‧‧‧foot device

351‧‧‧ crank

352‧‧‧ linkages

353‧‧‧ linkage belt

354‧‧‧foot unit

355‧‧‧tight pull parts

356‧‧‧ front one-way bearing

3511‧‧‧Action area

3512‧‧‧Linked area

37‧‧‧Flexible parts

39‧‧‧stop block

Claims (8)

A bicycle with easy pedaling and labor saving, comprising: a frame; a front wheel set including a handle frame pivoted at one end of the frame, and a front wheel disposed at the end of the handle frame; a rear wheel a set comprising a one-way bearing pivoted to the other end of the frame, and a rear wheel disposed on the rear one-way bearing and unidirectionally driven by the rear one-way bearing; a pedal device including a crank pivoted on the frame, a linkage pivoted on the frame, a linkage belt disposed between the end of the crank and the linkage, and a pedal unit disposed at the other end of the crank The crank has an action area extending outward from the pivot point and connected to the pedal unit, a linkage area extending outward from the pivot point and connected to the linkage belt, and a frame disposed on the frame a tensioning member between the linkage belts; and a transmission group that can interlock the rotation of the rear one-way bearing after the rotation of the one-way bearing, and the rear linkage disk can be interlocked by the linkage member. The bicycle with easy pedaling and labor saving according to the first aspect of the patent application, wherein the transmission group further includes a linkage disk pivoted on the frame, and a transmission belt disposed between the front and rear linkage plates. At the same time, the front linkage plate is interlocked by the linkage member; and the linkage belt is connected to the tension member via the linkage member. According to the second aspect of the patent application, the bicycle with easy pedaling and labor saving is provided, wherein a front one-way bearing is arranged between the front linkage plate and the linkage member, so that the linkage member can only drive the front linkage disk to rotate in a single direction. . The bicycle with easy pedaling and labor saving according to the first aspect of the patent application, wherein the linking member comprises a rocking lever pivoted on the frame, and an extension rod respectively telescopically adjustable at both ends of the rocking rod In addition, the linkage belt has a first connection between the active area and the one of the extension rods a moving belt, and a second interlocking belt disposed on the other extension rod and connected to the tensioning member via the rear linkage plate. According to the first or fourth aspect of the patent application, the bicycle has an easy pedaling and labor saving, wherein the swinging arm is pivoted between the frame and the pedal unit, and the active area is telescopically stretched. Rod composition. A bicycle having an easy pedaling and labor saving according to the first or fourth aspect of the patent application, wherein an elastic member is disposed between the crank and the frame to drive the crank to return through the elastic member. According to the fourth aspect of the patent application, the bicycle has an easy pedaling and labor saving, wherein the connecting member and the rear interlocking disc drive process are connected with an extension group, and the extension group has a first rotation pivoted on the frame respectively. a second rotating member, and a plurality of connecting strips of the first and second rotating members are interleaved, and the connecting belt is respectively disposed between one end of the linking member and the second rotating end, and the second rotating member is further One end is opposite to one end of the first rotating member, and the second driving belt is disposed at the other end of the first rotating member. According to the bicycle with easy pedaling and labor saving according to the first aspect of the patent application, the pedal device and the transmission group are respectively provided with two groups, and respectively correspond to the two sides of the frame.