TWI400173B - Convertible double bike - Google Patents

Description

Convertible double bicycle

The invention relates to a synergistic bicycle, in particular to a convertible double-assisted bicycle which can provide the user with any two bicycles arranged in a front-to-back manner or in a lateral side-by-side connection to assemble themselves into two different modes of use.

The well-known bicycle structure is usually a two-wheeled bicycle consisting of a frame, a wheel, a seat cushion, a faucet device, a pedal device and a transmission device. One bicycle has only one seat cushion for one person to ride, and the rear shelf has a limited weight bearing strength. It is not suitable to carry another person. In order to make a bicycle allow two people to ride, it is easy to achieve the effect by pedaling together, and the design of the synergy bicycle is derived.

The conventional cooperative bicycle combines two or more front and rear seat cushions, faucets, pedals and transmissions on an extended frame, so that two or more people can ride together, and only the front user controls the direction. . However, the conventional bicycle design does not connect two independent traditional bicycles side by side. Therefore, for a family, group or rental company with many traditional bicycles, the traditional bicycle cannot be arbitrarily converted into a cooperative bicycle. Secondly, the conventional bicycles can only allow two or more users to ride in front and rear, and only the front and rear wheels, so that the wheelbase is too long, it is not easy to maintain balance during riding, and there is a danger of dumping. There are also disadvantages that cannot be folded into the trunk of the car.

Therefore, how to invent a convertible double-assisted bicycle so that two independent bicycles can be connected to each other to form a bicycle, and the two bicycles can be arbitrarily arranged in front and rear, or laterally side by side to assemble into two kinds. The three-wheeled convertible double-assisted bicycle with different usage modes can achieve the effect of changing the use mode, and can achieve the functions of easy self-assembly, stable and safe driving, suitable for leisure activities, etc., and will be actively exposed by the present invention. .

In view of the shortcomings of the above-mentioned prior art, the inventor feels that he has not perfected it, exhausted his mind and researched and overcome it, and based on his accumulated experience in the industry for many years, he developed a convertible double-assisted bicycle to achieve It can be arranged in any combination of front and rear or side by side to form a three-wheeled convertible double-assisted bicycle, and it is easy to assemble by itself, stable and safe driving, and suitable for leisure activities.

The main object of the present invention is to provide a convertible double-assisted bicycle, which is designed by the structure of the main bicycle, the auxiliary bicycle and the connection module and the assembly relationship thereof, so that the two bicycles can be connected in front and rear or side by side to form a bicycle. The three-wheeled cooperative bicycle can be arbitrarily selected for front-to-back connection or lateral side-by-side connection to change the usage mode, easy to assemble by itself, stable and safe driving, and suitable for leisure activities.

In order to achieve the above object, the implementation of the present invention includes: a main bicycle having a detachable cushion pole, the seat cushion is coupled with a seat cushion; and an auxiliary bicycle arranged behind the main bicycle, The auxiliary bicycle has a frame, a seat cushion coupled to the frame, a rear wheel coupled to the rear end of the frame, and a pedal transmission for driving the rear wheel to rotate, and the front of the frame is provided with a The upper rod of the upper side of the upper rod is provided with a cylindrical sleeve portion, the cylindrical sleeve portion is sleeved on the seat cushion of the main bicycle; a vertical rod unit, the lower end of the vertical rod unit a first clip is disposed, the end surface of the first clip is concavely provided with a first sleeve portion for fitting on the upper rod of the auxiliary bicycle; a connecting fork unit having a second end at the upper end of the connecting fork unit a clamping piece, the end surface of the second clamping piece is recessed with a second fitting portion for fitting under the upper rod of the auxiliary bicycle, and the second clamping piece can be interlocked with the first clamping piece to Holding the first set part and the second set part a bicycle upper pole, the vertical pole unit and the connecting fork unit are fixed on the auxiliary bicycle upper pole; and the lower end of the connecting fork unit is provided with two separate fork rods respectively provided with the rear axle of the main bicycle a connecting portion; and a grip unit having a grip bar laterally coupled to the upper end of the vertical rod unit; thereby, the auxiliary bicycle is connected to the rear of the main bicycle to be arranged in front and rear Convertible two-person bicycle.

Another embodiment of the present invention includes: a main bicycle having a detachable cushion pole, the seat cushion being coupled with a seat cushion; and an auxiliary bicycle side by side of the main bicycle, the auxiliary bicycle The utility model has a frame, a seat cushion coupled to the frame, a rear wheel coupled to the rear end of the frame, and a pedal transmission for driving the rear wheel to rotate, and a front side of the frame is provided a top end of the upper rod, the front end of the upper rod is provided with a cylindrical sleeve portion, the cylindrical sleeve portion is sleeved on the seat cushion of the main bicycle; a vertical rod unit, the lower end of the vertical rod unit is provided with a a first clamping piece, the end surface of the first clamping piece is concavely provided with a first fitting portion for fitting on the upper rod of the auxiliary bicycle; and a second clamping piece, the end surface of the second clamping piece is concavely provided Engaging the second sleeve portion under the upper rod of the auxiliary bicycle, and engaging the second clip with the first clip to clamp the first sleeve portion and the second sleeve portion The auxiliary bicycle upper rod fixes the vertical rod unit and the second clip to the auxiliary self a grip unit, the grip unit having a grip, the grip is laterally coupled to the upper end of the upright unit; a first frame coupling unit having a first link And a first fixed module respectively coupled to the two ends of the first link, the first fixed module is respectively coupled to the frame rods of the main bicycle and the auxiliary bicycle, so that the main bicycle and the auxiliary bicycle are connected side by side; a second frame connecting unit, the second frame connecting unit has a second connecting rod, and a second fixing module respectively coupled to the two ends of the second connecting rod, wherein the second fixed module is respectively coupled to the main bicycle And a fixing portion of the end of the rear fork of the auxiliary bicycle; thereby, the auxiliary bicycle is configured to be connected side by side on the side of the main bicycle to present a three-wheeled three-point fixed convertible double-assisted bicycle which is laterally side by side.

The first clips of the vertical rod unit may be respectively provided with a first locking portion, and the second clips may be respectively provided with a second lock that is coupled or separated from the first locking portion. The joint portion is fixed to the upper rod of the auxiliary bicycle by interlocking the first lock portion and the second lock portion to fix the vertical rod unit and the joint fork unit (or the second clip).

More specifically, the first clip and the second clip are: the first clip is an upper semi-circular piece, and the first sleeve portion is an upper concave portion of the upper semi-circular piece. The first locking portion is integrally formed with an upper ear piece connected to both sides of the upper semi-circular piece; the second clamping piece is a lower semi-circular piece, and the second clamping part is Forming a concave arc portion of the lower semi-circular piece, the second locking portion is integrally formed by a lower ear piece connected to both sides of the lower semi-circular piece; and the upper ear piece and the lower part The ear pieces are respectively provided with corresponding through holes, and the fixing holes which are connected in series with the upper ear piece and the lower ear piece are disposed in the through hole. In addition, the upper concave arc portion and the lower concave arc portion respectively incorporate a slip washer to prevent the vertical rod unit and the connecting fork unit (or the second clip) from loosening.

In addition, the implementation of the present invention further includes: the first fixing module of the first frame connecting unit comprises two butted annular plates for covering the frame rod, and the two semi-rings The two ends are respectively provided with fixing members for abutting the two semi-annular sheets. The second fixing module of the second frame connecting unit includes an L-shaped piece and a fixing element for coupling to a fixing portion at the end of the rear fork. This allows the user to assemble or disassemble on their own to facilitate the connection of the main bicycle and the auxiliary bicycle.

In this way, the convertible double-assisted bicycle of the present invention can achieve a three-wheel convertible double-assisted bicycle that can be arbitrarily selected to be connected in front and rear or side by side to be assembled into two different structures and different usage modes, and is easy to achieve. Self-assembly, stable and safe driving, suitable for leisure activities, and also folded into the trunk of the car and so on.

In order to fully understand the objects, features, and advantages of the present invention, the present invention will be described in detail by the following specific embodiments and the accompanying drawings, which are illustrated as follows: Figure 1 and Figure 2 The preferred first embodiment of the convertible double-assisted bicycle of the present invention comprises: a main bicycle 1, an auxiliary bicycle 2 arranged behind the main bicycle 1, and a front bicycle 1 for connecting front and rear with the main bicycle 1 The connection module of the auxiliary bicycle 2 includes a vertical rod unit 3, a connecting fork unit 4 and a grip unit 5, wherein: as shown in Figures 1 and 2, the main bicycle 1 is The conventional two-wheeled bicycle has a detachable cushion pole 11 on the frame, and the upper end of the cushion pole 11 is coupled with a seat cushion 12, and the front seat connection of the auxiliary bicycle 2 is provided by the detachable cushion pole 11; As shown in FIG. 1 to FIG. 3, the auxiliary bicycle 2 has a frame 21, a seat cushion 22 coupled to the frame 21, a rear wheel 23 coupled to the rear end of the frame 21, and a a pedal transmission 24 that drives the rear wheel 23 to rotate, and is provided in front of the frame 21 The upper rod 25 (foldable upper rod) can be folded sideways, and the front end of the upper rod 25 is provided with a cylindrical sleeve portion 26, which can provide a conventional faucet and front fork A component such as a rod is assembled, but in the present invention, it can be used to fit over the seat upright 11 of the main bicycle 1; as shown in Figures 3 and 4, the vertical rod unit 3 is a hollow tube, and a lower end is provided with a The first clip 31, the lower end surface of the first clip 31 is recessed with a first sleeve portion 32 for fitting over the rod 25 of the auxiliary bicycle 2, so that the vertical rod unit 3 can be put on the upper part. The top of the rod 25; as shown in FIG. 3 and FIG. 4, the connecting fork unit 4 is provided with a second clip 41 at the upper end, and the upper end surface of the second clip 41 is recessed for fitting on the auxiliary bicycle 2. a second sleeve portion 42 under the rod 25, and the second clip piece 41 can be interlocked with the first clip piece 31, so that the first sleeve portion 32 and the second sleeve portion 42 are clamped to the auxiliary bicycle 2 The upper rod 25 further fixes the vertical rod unit 3 and the connecting fork unit 4 to the upper rod 25; moreover, the lower end of the connecting fork unit 4 is provided with two separate fork rods 43 and is near the end of the fork rod 43 At the end, a connecting portion 431 for coupling to the rear axle 13 of the main bicycle 1 is provided, so that the auxiliary bicycle 2 can pass through the cylindrical sleeve portion 26 in front of the front bicycle, and the fork rod 43 and the connecting portion 431 of the connecting fork unit 4 are connected. At the rear of the main bicycle 1; as shown in FIGS. 3 and 4, the grip unit 5 has a grip 51 for laterally engaging the grip 51 at the upper end of the vertical rod unit 3, and is at the grip 51. The two ends are combined with a grip sleeve and a brake device; by the structure of the main bicycle 1, the auxiliary bicycle 2, the vertical rod unit 3, the connecting fork unit 4 and the grip unit 5, and the assembly relationship thereof, the auxiliary bicycle 2 can be connected. Behind the main bicycle 1, a three-wheeled convertible double-assisted bicycle arranged in front and rear is presented.

In the first preferred embodiment of the present invention, when self-assembly is used, as shown in FIGS. 1 and 2, the seat cushion 11 of the main bicycle 1 can be detached first, and then the cylindrical sleeve portion of the auxiliary bicycle 2 can be removed. 26 sets are placed on the seat upright 11 and then the seat upright 11 is integrated in the home position of the main bicycle 1 (i.e., on the main bicycle 1 frame), so that the front end of the upper pole 25 of the auxiliary bicycle 2 is connected to the main bicycle 1 Cushion pole 11. In addition, the user can clamp the upper rod 25 of the auxiliary bicycle 2 through the first clip 31 of the vertical rod unit 3 and the second clip 41 of the connecting fork unit 4, and the first clip 31 and the second clip 41 interlocking, the vertical rod unit 3 and the connecting fork unit 4 can be fixed to the upper rod 25, and then joined to the rear wheel shaft 13 of the main bicycle 1 by the connecting portion 431 of the fork rod 43 of the connecting fork unit 4, thus, The main bicycle 1 and the auxiliary bicycle 2 can be quickly and easily connected, thereby being connected into a three-wheel type front and rear straight row convertible double-assisted bicycle. On the other hand, the main bicycle 1 can be used separately from the auxiliary bicycle 2 as long as the disassembly operation is reversed. For example, after the auxiliary bicycle 2 is separated, the conventional faucet rod is assembled to the cylindrical sleeve portion 26 of the auxiliary bicycle 2, Bicycle grip, front fork and front wheel (not shown).

As shown in FIG. 3 and FIG. 4, in order to make the first clip 31 of the vertical rod unit 3 and the second clip 41 of the connecting fork unit 4 interlock with each other, the first unit of the vertical rod unit 3 can be A first locking portion 33 is respectively disposed on two sides of the clip 31, and a second locking portion 44 is respectively disposed on two sides of the second clip 41 of the connecting fork unit 4, by the first locking portion 33 and the second portion The locking portions 44 are interlocked to fix the vertical rod unit 3 and the connecting fork unit 4 to the upper rod 25 of the auxiliary bicycle 2.

The first clip 31 and the second clip 41 are more specifically embodied in that the first clip 31 is a press-formed upper semi-circle, and the first sleeve 32 is the upper half. The upper locking portion 33 is integrally formed by the upper ear piece 331 connected to both sides of the upper semi-circular piece; the second clamping piece 41 is formed by stamping. a lower semi-circular piece, the second nesting portion 42 is formed by a concave arc portion of the lower semi-circular piece, and the second locking portion 44 is integrally formed on both sides of the lower semi-circular piece The lower ear piece 441 is formed. Moreover, the upper ear piece 331 and the lower ear piece 441 are respectively provided with corresponding through holes 332, 442, and the fixing holes 443 of the upper ear piece 331 and the lower ear piece 441 are disposed in the through holes 332, 442. The fixing member 443 comprises, but is not limited to, a screw, a nut and a gasket. In addition, the present invention may also incorporate a slip washer 34, 45 in the upper concave arc portion and the lower concave arc portion to prevent the vertical rod unit 3 and the connecting fork unit 4 from being fixed when the upper rod 25 of the auxiliary bicycle 2 is fixed. Loose, can achieve a stable combination of effects.

Based on the principle of the above-mentioned connection module, as shown in FIGS. 5 and 6, the convertible double-assisted bicycle of the present invention, another preferred embodiment of the present invention comprises: a main bicycle 1, a side by side on the main bicycle 1 An auxiliary bicycle 2 on one side, and a connection module for connecting the main bicycle 1 and the auxiliary bicycle 2 side by side, the connection module includes a vertical rod unit 3, a grip unit 5, and a second clip 6, A first frame connecting unit 7 and a second frame connecting unit 8 are provided. The structures of the main bicycle 1 and the auxiliary bicycle 2 are the same as those described above, as shown in FIGS. 5 and 6. However, in the present embodiment, the auxiliary bicycle 2 is arranged side by side on the side of the main bicycle 1, and the upper rod 25 of the auxiliary bicycle 2 frame 21 is laterally bent, so that the cylindrical sleeve portion 26 can be sleeved on the main The cushion pole 11 of the bicycle 1; as shown in Figures 7 and 8, the lower end of the vertical rod unit 3 is also provided with a first clip 31, and the lower end surface of the first clip 31 is also recessed for fitting a first sleeve portion 32 on the upper bicycle 25 of the auxiliary bicycle 2; as shown in Figures 7 and 8, the grip The element 5 also has a grip 51 for engaging the grip 51 to the upper end of the vertical rod unit 3, and a grip sleeve and a brake device are coupled to both ends of the grip rod 51; as shown in Figures 7 and 8, the The second clip 6 is a sheet-like structure, and the upper end surface is recessed with a second sleeve portion 61 for fitting under the rod 25 of the auxiliary bicycle 2, and the second clip 6 and the first clip 31 are mutually Locking, so that the first sleeve portion 32 and the second sleeve portion 61 are clamped to the upper rod 25 of the auxiliary bicycle 2, and the vertical rod unit 3 and the second clip 6 are fixed to the upper rod 25; As shown in FIG. 6, the first frame connecting unit 7 has a long rod-shaped first connecting rod 71, and a first fixing module 72 respectively coupled to the two ends of the first connecting rod 71, which can be fixed by the first fixing. The modules 72 are respectively coupled to the frame rods or other selected places of the main bicycle 1 and the auxiliary bicycle 2 to connect the main bicycle 1 and the auxiliary bicycle 2 side by side; as shown in Figures 5 and 6, the second frame The connecting unit 8 has a second rod 81 having a long rod shape, and a second fixing module 82 respectively coupled to the two ends of the second rod 81 for combining with the second fixing module 82 respectively. a fixing portion at the end of the main bicycle 1 and the auxiliary bicycle 2 rear fork; by the main bicycle 1, the auxiliary bicycle 2, the vertical rod unit 3, the grip unit 5, the second clip 6, and the first frame connecting unit 7, And the structure of the second frame connecting unit 8 and its assembly relationship can form a three-wheel convertible double-assisted bicycle in which the auxiliary bicycles 2 are connected side by side on the main bicycle 1 side by side.

In another preferred embodiment of the present invention, when the user assembles himself, as shown in FIGS. 5 and 6, the seat cushion 11 of the main bicycle 1 can be detached first, and then the upper rod 25 of the auxiliary bicycle 2 can be detached. Laterally bent, so that the cylindrical sleeve portion 26 is sleeved on the seat cushion upright 11, and then the seat cushion upright 11 is coupled to the home position of the main bicycle 1, so that the upper rod 25 of the auxiliary bicycle 2 is laterally connected to the main Cushion pole 11 of bicycle 1. In addition, the user can clamp the upper rod 25 of the auxiliary bicycle 2 through the first clip 31 and the second clip 6 of the vertical rod unit 3, and lock the first clip 31 and the second clip 6 to each other. The upright unit 3 can be fixed to the upper rod 25 of the auxiliary bicycle 2 to use the grip unit 5 as an auxiliary grip. In this way, the first fixed module 72 at both ends of the first frame connecting unit 7 is combined with the frame bar or other selected portion of the main bicycle 1 and the auxiliary bicycle 2, and the second end of the second frame connecting unit 8 is utilized. The fixed modules 82 are respectively coupled to the fixed portions of the rear ends of the main bicycle 1 and the auxiliary bicycle 2, whereby the main bicycle 1 and the auxiliary bicycle 2 can be connected into a three-wheel type laterally side-by-side convertible double-assisted bicycle. On the other hand, the main bicycle 1 and the auxiliary bicycle 2 can be used separately as long as the dismounting operation is performed in the reverse direction.

As shown in FIGS. 7 and 8 , in order to make the first clip 31 of the vertical rod unit 3 and the second clip 6 interlock with each other, the present invention can also be used in the first clip of the vertical rod unit 3 . A first locking portion 33 is disposed on each of the two sides of the second clamping piece 63, and a second locking portion 62 is respectively disposed on the two sides of the second clamping piece 6. The first locking portion 33 and the second locking portion 62 are coupled to each other. To fix the vertical rod unit 3 to the upper rod 25 of the auxiliary bicycle 2.

The first clip 31 and the second clip 6 are more specifically embodied in that the first clip 31 is a press-formed upper semi-circle, and the first sleeve 32 is the upper half. The upper locking portion 33 is formed by integrally forming the upper locking piece 331 connected to both sides of the upper semi-circular piece; the second clamping piece 6 is formed by stamping. a lower semi-circular piece, the second set part 61 is formed by a concave arc of the lower semi-circular piece, and the second locking part 62 is integrally formed on both sides of the lower semi-circular piece The lower ear piece 621 is formed. Moreover, the upper ear piece 331 and the lower ear piece 621 are respectively provided with corresponding through holes 332, 622, and the fixing elements of the upper ear piece 331 and the lower ear piece 621 are provided in the through holes 332, 622. 623, the fixing component 623 comprises, but is not limited to, a screw, a nut and a gasket. In addition, in the present invention, a sliding washer 34, 63 may be respectively coupled to the upper concave arc portion of the first clip 31 and the concave concave portion of the second clip 6, to prevent the vertical rod unit 3 and the second clip. 6 Loosening occurs when the upper rod 25 of the auxiliary bicycle 2 is fixed, and the stable bonding effect can also be achieved.

In addition, as shown in FIG. 9 , the first embodiment of the first fixing module 72 of the first frame connecting unit 7 of the present invention includes two butted annular rings for covering the frame rod. 721, two ends of the two semi-annular sheets 721 are respectively provided with fixing members 722 for abutting the two semi-annular sheets 721, and the fixing member 722 comprises, but is not limited to, screws and spacers. As shown in FIG. 10, the second fixing module 82 of the second frame connecting unit 8 includes an L-shaped piece 821 and a fixing member 822 for fixing the fixing portion at the end of the rear fork bar. The 822 includes, but is not limited to, a screw and a gasket, thereby allowing the user to assemble or disassemble it to connect the main bicycle 1 and the auxiliary bicycle 2.

As shown in FIG. 11, the present invention further includes a storage basket unit 9 having a grid-like storage basket 91 and a hooking module 92 coupled to both sides of the storage basket 91 so that The hooking module 92 is respectively hooked on the rear racks of the main bicycle 1 and the auxiliary bicycle 2 to provide an item to be placed.

As described above, the present invention fully complies with the three requirements of the patent: novelty, advancement, and industrial applicability. In terms of novelty and advancement, the invention is designed by the structure of the main bicycle, the auxiliary bicycle and the connecting module and the assembly relationship thereof, so that the two bicycles can be arranged in front and rear, or can be connected side by side in a horizontal direction. Converting a two-wheeled three-wheeled bicycle to achieve the effect of arbitrarily selecting front-to-back or side-by-side connection to change the usage mode; and composing a convertible double three-wheeled bicycle, which can be arranged in tandem or side by side. It is safe and safe for driving, suitable for leisure activities, and also has the effect of folding into the trunk of the car. In terms of industrial availability, the products derived from the present invention can fully satisfy the needs of the current market.

The invention has been described above in terms of the preferred embodiments, and it should be understood by those skilled in the art that the present invention is not intended to limit the scope of the invention. It should be noted that variations and permutations equivalent to those of the embodiments are intended to be included within the scope of the present invention. Therefore, the scope of the invention is defined by the scope of the following claims.

1. . . Main bicycle

11. . . Cushion pole

12. . . cushion

13. . . Rear axle

2. . . Auxiliary bicycle

twenty one. . . Frame

twenty two. . . cushion

twenty three. . . rear wheel

twenty four. . . Pedal transmission

25. . . Upper pole

26. . . Cylindrical socket

3. . . Vertical rod unit

31. . . First clip

32. . . First set of joints

33. . . First lock

331. . . Upper ear

332. . . Through hole

34. . . Slip pad

4. . . Connection fork unit

41. . . Second clip

42. . . Second set of joints

43. . . Fork lever

431. . . Connection

44. . . Second lock

441. . . Lower ear

442. . . Through hole

443. . . Fixed component

45. . . Slip pad

5. . . Grip unit

51. . . Grip

6. . . Second clip

61. . . Second set of joints

62. . . Second lock

621. . . Lower ear

622. . . Through hole

623. . . Fixed component

63. . . Slip pad

7. . . First frame link unit

71. . . First link

72. . . First fixed module

721. . . Semi-ring

722. . . Fixed component

8. . . Second frame link unit

81. . . Second link

82. . . Second fixed module

821L. . . Shape

822. . . Fixed component

9. . . Basket unit

91. . . Basket

92. . . Hooking module

Figure 1 is an exploded perspective view of a first embodiment of the present invention.

Figure 2 is a schematic view showing the overall combination of the first embodiment of the present invention.

FIG. 3 is a schematic view showing the assembled state of the connection module according to the first embodiment of the present invention.

Figure 4 is a schematic exploded view of the connection module of the first embodiment of the present invention.

Fig. 5 is a perspective view showing the combination of the second embodiment of the present invention.

Figure 6 is a combined plan view of a second embodiment of the present invention.

Figure 7 is a schematic view showing the state of the connection module according to the second embodiment of the present invention.

Figure 8 is a schematic exploded view of the connection module of the second embodiment of the present invention.

Figure 9 is a perspective view of the first frame coupling unit of the second embodiment of the present invention.

Figure 10 is a perspective view of a second frame coupling unit according to a second embodiment of the present invention.

Figure 11 is a perspective view of a basket unit of a second embodiment of the present invention.

1. . . Main bicycle

11. . . Cushion pole

12. . . cushion

13. . . Rear axle

2. . . Auxiliary bicycle

twenty one. . . Frame

twenty two. . . cushion

twenty three. . . rear wheel

twenty four. . . Pedal transmission

25. . . Upper pole

26. . . Cylindrical socket

3. . . Vertical rod unit

31. . . First clip

33. . . First lock

4. . . Connection fork unit

41. . . Second clip

43. . . Fork lever

431. . . Connection

44. . . Second lock

5. . . Grip unit

51. . . Grip

Claims (10)

A convertible double-assisted bicycle comprising: a main bicycle having a detachable cushion pole, the cushion pole being coupled with a seat cushion; and an auxiliary bicycle arranged behind the main bicycle, the auxiliary bicycle having a frame, a seat cushion coupled to the frame, a rear wheel coupled to the rear end of the frame, and a pedal transmission for driving the rear wheel to rotate, and a side bend is provided in front of the frame a folding upper rod, the front end of the upper rod is provided with a cylindrical sleeve portion, the cylindrical sleeve portion is sleeved on the seat cushion of the main bicycle; a vertical rod unit, the lower end of the vertical rod unit is provided with a first rod a clip, the end surface of the first clip is recessed with a first sleeve portion for fitting on the upper rod of the auxiliary bicycle; a connecting fork unit having a second clip at the upper end of the connecting fork unit; The end surface of the second clip is recessed with a second sleeve portion for fitting under the upper rod of the auxiliary bicycle, and the second clip can be interlocked with the first clip to make the first a set of joints and a second set of joints clamp the auxiliary self The upper rod unit and the connecting fork unit are fixed on the auxiliary bicycle upper rod; and the lower end of the connecting fork unit is provided with two separate fork rods respectively provided with the rear axle of the main bicycle a connecting portion; and a grip unit having a grip bar laterally coupled to the upper end of the vertical rod unit; thereby, the auxiliary bicycle is connected to the rear of the main bicycle to be arranged in front and rear Convertible two-person bicycle. The convertible double-assisted bicycle according to the first aspect of the invention, wherein the first clip of the vertical rod unit is respectively provided with a first locking portion, and the second clip of the connecting fork unit has two sides respectively A second locking portion is coupled to or separated from the first locking portion. The convertible double-assisted bicycle according to claim 2, wherein the first clip is an upper semi-circular piece, and the first set is a concave arc of the upper semi-circular piece. The first locking portion is integrally formed with an upper ear piece connected to both sides of the upper semi-circular piece; the second clamping piece is a lower semi-circular piece, and the second clamping part is Forming a concave arc portion of the lower semi-circular piece, the second locking portion is integrally formed by a lower ear piece connected to both sides of the lower semi-circular piece; and the upper ear piece and the lower part The ear pieces are respectively provided with corresponding through holes, and the fixing holes which are connected in series with the upper ear piece and the lower ear piece are disposed in the through hole. The convertible double-assisted bicycle according to claim 3, wherein the upper concave arc portion and the lower concave arc portion respectively have a sliding washer. A convertible double-assisted bicycle, comprising: a main bicycle having a detachable cushion pole, the seat cushion being combined with a seat cushion; an auxiliary bicycle arranged side by side on the main bicycle, the auxiliary bicycle The utility model has a frame, a seat cushion coupled to the frame, a rear wheel coupled to the rear end of the frame, and a pedal transmission for driving the rear wheel to rotate, and a front side of the frame is provided a top end of the upper rod, the front end of the upper rod is provided with a cylindrical sleeve portion, the cylindrical sleeve portion is sleeved on the seat cushion of the main bicycle; a vertical rod unit, the lower end of the vertical rod unit is provided with a a first clamping piece, the end surface of the first clamping piece is concavely provided with a first fitting portion for fitting on the upper rod of the auxiliary bicycle; and a second clamping piece, the end surface of the second clamping piece is concavely provided Engaging the second sleeve portion under the upper rod of the auxiliary bicycle, and engaging the second clip with the first clip to clamp the first sleeve portion and the second sleeve portion The auxiliary bicycle is mounted on the rod, and the vertical rod unit and the second clip are fixed in the auxiliary a bicycle upper pole; a grip unit having a grip, the grip is laterally coupled to the upper end of the vertical rod unit; a first frame coupling unit, the first frame coupling unit having a first connection a first fixed module coupled to the two ends of the first link, the first fixed module is respectively coupled to the frame rods of the main bicycle and the auxiliary bicycle, so that the main bicycle and the auxiliary bicycle are connected side by side; a second frame connecting unit, the second frame connecting unit has a second connecting rod, and a second fixing module respectively coupled to the two ends of the second connecting rod, wherein the second fixing module is respectively coupled to the main frame A fixed portion of the end of the rear fork of the bicycle and the auxiliary bicycle; thereby, the auxiliary bicycle is connected side by side to the side of the main bicycle to present a three-wheeled three-point fixed convertible double-assisted bicycle that is laterally side by side. The convertible double-assisted bicycle according to the fifth aspect of the invention, wherein the first clip of the vertical rod unit is respectively provided with a first locking portion, and the second clip is respectively provided with one side and the second clip a second locking portion in which the first locking portions are coupled or separated from each other. The convertible double-assisted bicycle according to claim 6, wherein the first clip is an upper semi-circular piece, and the first set is a concave arc of the upper semi-circular piece. The first locking portion is integrally formed with an upper ear piece connected to both sides of the upper semi-circular piece; the second clamping piece is a lower semi-circular piece, and the second clamping part is Forming a concave arc portion of the lower semi-circular piece, the second locking portion is integrally formed by a lower ear piece connected to both sides of the lower semi-circular piece; and the upper ear piece and the lower part The ear pieces are respectively provided with corresponding through holes, and the fixing holes which are connected in series with the upper ear piece and the lower ear piece are disposed in the through hole. The convertible double-assisted bicycle according to claim 7, wherein the upper concave arc portion and the lower concave arc portion respectively have a slip washer. The convertible double-assisted bicycle according to claim 5, wherein the first fixed module of the first frame connecting unit comprises two butted annular plates for covering the frame rod. The two ends of the two semi-annular sheets are respectively provided with fixing members for abutting the two semi-annular sheets. The convertible double-assisted bicycle according to claim 5, wherein the second fixing module of the second frame connecting unit comprises an L-shaped piece and a fixing element for being coupled to the end fixing portion of the rear fork.