TWM543822U - Foldable bicycle body - Google Patents

Description

Retractable bicycle body

This creation is about a bicycle, especially a retractable bicycle body.

In order to facilitate the carrying and reducing of the size of the bicycle for placement, etc., a variety of folding bicycles have been available for users to purchase. In general, the known folding bicycle mainly utilizes the structural design of the lever member in the frame to combine the quick release joint, so that the body of the folding bicycle can be folded and folded.

However, the front folding bicycle is folded and folded, and the frame is folded and folded, which is not a flat shape, but the skeleton, the handlebar and the driving mechanism of the rear wheel are all exposed, which is inconvenient to collect and use. It is also inconvenient to pull the folded bicycle to move, which is inconvenient to use.

The main purpose of the present invention is to provide a folding bicycle body, which solves the problem that the existing folding bicycle is inconvenient to move and collect after being folded.

In order to achieve the foregoing, the folding bicycle system proposed by the present invention comprises: a folding body comprising a front body portion, a rear body portion and a cushion member, the front body portion and The rear body portion is a box-shaped body, and a front movable space extending downward from a top portion thereof is formed in the front body portion, and a front wheel groove connecting the front movable space is formed at a front end of the front body portion, the rear body portion a rear movable space is formed in the rear portion, and a rear wheel groove connecting the rear movable space is formed at a rear end of the rear body portion, and a rear end of the front body portion and a front end portion of the rear body portion are pivotally connected to a vehicle body. a pivotal connection, a first fastener group is disposed between the rear end of the front body portion and the front end of the rear body portion relative to the other side of the vehicle body pivot member, and the front body portion and the rear vehicle portion are provided The body portion can be connected to each other and fixed by the first fastener group, and the folding body can be folded in half to form a shape in which the front body portion and the rear body portion are opposite to each other, and the seat member is disposed on a front portion of the rear body; a front wheel that is steerably and rotatably mounted on the front wheel of the front body portion The front wheel has an axle; a rear wheel is rotatably pivoted in the rear wheel groove of the rear body portion, the rear wheel has an axle; a front wheel steering operating mechanism is mounted on In the front body portion of the retractable body, the front wheel steering operating mechanism includes a front wheel frame bar and a folding handlebar, and the front wheel frame bar is mounted on the front movable space of the front body portion to extend to the front wheel The front axle of the front wheel is pivotally connected to the front wheel body, and the folding handlebar is rotatably mounted in the front body portion, and the front movable space is connected from the top of the front body portion to the front wheel frame bar. The retractable handlebar can be folded into the front movable space of the front body portion; and a rear wheel drive mechanism is mounted on the rear body portion of the retractable body and connects the axle of the rear wheel.

By the front-removing bicycle body creation, the main body is a retractable body that is pivotally connected by the front body portion and the rear body portion, and is connected to the front body portion of the front wheel steering operating mechanism. The wheel is provided with a rear wheel connected to the rear wheel drive mechanism in the rear body portion, and a seat cushion member is mounted on the top of the rear body portion to form a bicycle for the user to ride, and the folding is completed. The body can also be folded in half, and the front wheel steering mechanism and the rear wheel drive mechanism are respectively housed in the front body portion and the rear body, so that the folded bicycle body is folded to form a flat box similar to the suitcase. The body and the folding body are folded in half, and the rear wheel is juxtaposed with the front wheel, so that the folded bicycle body after folding can be moved on the ground and can be conveniently collected.

The seat cushion member of the bicycle body of the present invention can include a mat and an adjustable support rod assembly. The adjustable support rod is assembled on the top of the rear body portion and connected to the bottom of the seat cushion to enable The user adjusts the height of the seat cushion.

The retractable bicycle body can further be provided with a telescopic pull handle at either or both of the front end of the front body portion and the front end of the rear body portion of the folding body, and the folding bicycle body is folded Thereafter, the telescopic pull handle is pulled out from the folding body, and the telescopic pull handle is used to provide a position hand held by the user, so as to pull the folding bicycle body of the synthetic suitcase shape to move on the ground. .

The creative folding bicycle body may further be provided with a storage chamber in either or both of the front body portion of the folding body and the top of the rear body portion, and is provided with a cover plate to open and close, and provides a user. The article is placed by the storage compartment.

As shown in FIG. 1 and FIG. 2, a preferred embodiment of the bicycle body of the present invention is disclosed. As can be seen from the drawings, the folding bicycle body includes a folding body 10 and a The front wheel 20, a rear wheel 30, a front wheel steering operating mechanism 40, and a rear wheel drive mechanism 50, or further include a telescoping handle 60.

As shown in FIG. 1 , FIG. 2 and FIG. 5 , the folding body 10 includes a front body portion 11 , a rear body portion 12 , and a pad member 13 , and the front body portion 11 and the rear body portion 12 . In the box body, a front movable space 111 extending downward from the top of the front body portion 11 to the inside of the front body portion 11 is formed in the front body portion 11, and a front wheel connecting the front movable space 111 is formed at the front end of the front body portion 11. In the groove 112, a rear movable space 121 is formed in the rear body portion 12, and a rear wheel groove 122 communicating with the rear movable space 121 is formed at the rear end of the rear body portion 12. The rear end of the front body portion 11 and the front end side of the rear body portion 12 are pivotally connected by a vehicle body pivoting member 14, and the rear end of the front body portion 11 and the front end of the rear body portion 12 are pivotally connected with respect to the vehicle body. The other side of the member 14 is provided with a first fastener group (not shown), which is a conventional member, so that the front body portion 11 and the rear body portion 12 can be connected back and forth, and The first fastener group is fixed by the first fastener group to form an elongated object, and the front body portion 11 and the rear body portion 12 are in a state where the first fastener group is unfastened. Either the vehicle body pivot member 14 can be rotated in the horizontal direction, and the folding body 10 can be folded in half to form a shape in which the front body portion 11 and the rear body portion 12 are opposed to each other. The retractable body 10 can also be provided with a second fastener group (not shown) on the side corresponding to the rear end of the front body portion 11 and the rear end of the rear body portion 12, the second fastener group The conventional member is used to fix the front body portion 11 and the rear body portion 12 when the folded body 10 is folded in half, and is fixed by the second fastener group.

In the preferred embodiment, the front body portion 11 and the rear body portion 12 are respectively hollow rectangular boxes, and the front body portion 11 and the rear body portion 12 are substantially equal in size, so as to be relatively combined. After that, a box resembling a suitcase shape is formed. As shown in FIG. 1 and FIG. 3, any one or two of the top of the front body portion 11 and the top of the rear body portion 12 may also form a storage chamber 113, 124, and a cover plate is disposed on the storage chambers 113, 124. 114 and 125 are used to open and close the storage chambers 113 and 124.

As shown in FIG. 1 and FIG. 2, the seat cushion member 13 is disposed on the top of the rear body portion 12 to provide a seat for a user. The cushion member 13 includes a mat 131 and an adjustable support rod set. 132. The adjustable support rod set 132 is mounted on the top of the rear body portion 12 and connected to the bottom of the seat cushion 131, so that the seat cushion 131 can adjust its height. In the preferred embodiment, the top of the rear body portion 12 is formed with a receiving recess 123 corresponding to the shape and size of the seat cushion 131. The adjustable supporting rod set 132 is mounted in the receiving recess 123. The pad 131 can be lowered and folded into the corresponding accommodating recess 123 at the top of the rear body portion 12, and the seat cushion 131 can be disengaged from the accommodating recess 123 and raised above the top of the rear body portion 12.

As shown in FIGS. 1 and 2, the front wheel 20 is rotatably and rotatably mounted in the front wheel groove 112 of the front body portion 11, and the rear wheel 30 is rotatably mounted to the rear body portion 12. In the rear wheel groove 122.

As shown in FIG. 1 and FIG. 2, the front wheel steering operating mechanism 40 is detachably mounted in the front body portion 11, and extends from the top of the front body portion 11 through the front movable space 111 to the front wheel slot 112. The front wheel 20 is used to control the steering of the front wheel 20. As shown in FIG. 1 and FIG. 2, the front wheel steering operating mechanism 40 includes a front wheel frame bar and a folding handlebar 42. The front wheel frame bar 41 is mounted. The front movable space 111 of the front body portion 11 extends to the axle of the front wheel groove 112 pivotally connected to the front wheel 20, and the folding handlebar 42 is rotatably mounted in the front body portion 11 and from the front body The front movable space 111 extends above the top of the portion 11 to connect the front wheel frame bar 41, so that the folding handlebar 42 can control the steering of the front wheel 20 via the front wheel frame bar 41, and the folding handlebar 42 can be folded forward. The front body space 111 of the body portion 11 is in the front.

As shown in FIG. 1 and FIG. 2, the rear wheel drive mechanism 50 is mounted on the rear body portion 12 of the folding body 10 and connects the axle of the rear wheel 30. In the preferred embodiment, the rear wheel drive The mechanism 50 includes a drive shaft 51, two pedal sets 52, and a drive sprocket set 53. The drive shaft 51 is pivotally disposed in the rear movable space 121 of the rear body portion 12, and the two ends of the drive shaft 51 are respectively located The left and right side walls of the rear body portion 12 are respectively disposed on the outer side surfaces of the left and right side walls of the rear body portion 12 and connected to the end portion of the drive shaft 51. The transmission sprocket set 53 is mounted on the rear side. The rear movable space 121 of the body portion 12 is connected to the axles of the drive shaft 51 and the rear wheel 30, whereby the drive shaft 51 can be driven to rotate by stepping on the two pedal groups 52, thereby driving the rear wheel via the transmission sprocket set 53. 30 rotations.

As shown in FIG. 1 and FIG. 2, the two pedal sets are retractably connected to the end of the drive shaft, and the left and right sides of the rear body portion 12 are respectively provided with a receiving groove 126, and the pedal group 52 can The fold is placed in the corresponding receiving groove 126.

As shown in FIG. 1 and FIG. 2, the folding bicycle system combines one or two sets of brake components (not shown) to connect the rear wheel 30 or the front wheel 20, and utilizes the front body portion 11 and the rear body. The portion 12 is pivotally coupled to the retractable body 10, and the front wheel body portion 11 is provided with a front wheel 20 that connects the front wheel steering operating mechanism 40, and the rear body portion 12 is provided with a rear wheel and rear wheel drive mechanism 50. The seat body member 12 is provided with a seat cushion member 13 and the like on the top of the rear body portion 12. After the folding body 10 is unfolded and fixed, a bicycle for the user to ride is formed. As shown in FIG. 4 to FIG. 6 , at the time of folding, the folding handlebar 42 of the front wheel steering operating mechanism is first folded into the front movable space 111 of the front body portion 11 , and the left and right pedal groups are further folded. The accommodating groove 126 is placed at the left and right sides of the rear body portion. Then, the fastening state of the first fastener group of the folding body 10 is released, and any of the front body portion 11 and the rear body portion 12 can be rotated in the horizontal direction by the vehicle body pivoting member 14 as a rotation axis. The folded body 10 is folded in half to form a shape in which the front body portion 11 and the rear body portion 12 are opposite to each other, and the rear wheel 30 and the front wheel 20 are juxtaposed, so that the folded bicycle body is folded and formed into a similar shape. The flat box of the suitcase allows it to be placed flat.

Alternatively, as shown in FIG. 7, the telescopic handle 60 is pulled out from the folding body 10, and the user holds the telescopic handle 60 to drag the retractable bicycle body on the ground. Move on. In addition, the folding body 10 can further add an auxiliary wheel (not shown) on the side of the front wheel 20 and the rear wheel 30, so that the folded bicycle body is folded, and the folded bicycle body is folded. After that, a flat-shaped box similar to a suitcase is formed, which enables the front wheel 20, the rear wheel 30 and the auxiliary wheel to contact the ground together, and can be easily moved.

10‧‧‧Retractable ontology
11‧‧‧ Front body
111‧‧‧Pre-event space
112‧‧‧ front wheel slot
113‧‧‧ Storage room
114‧‧‧ Cover
12‧‧‧ Rear body
121‧‧‧After the event space
122‧‧‧ Rear wheel slot
123‧‧‧ accommodating recess
124‧‧‧ Storage room
125‧‧‧ cover
126‧‧‧ accommodating slots
13‧‧‧Cushion member
131‧‧‧Cushion
132‧‧‧Adjustable support rod set
14‧‧‧Car body pivoting parts
20‧‧‧ front wheel
30‧‧‧ rear wheel
40‧‧‧Front wheel steering operating mechanism
41‧‧‧Front wheel rod
42‧‧‧Retractable handlebars
50‧‧‧ Rear wheel drive mechanism
51‧‧‧Drive shaft
52‧‧‧ pedal group
53‧‧‧Sprocket
60‧‧‧Retractable pull handle

1 is a perspective view of a preferred embodiment of the present retractable bicycle body. 2 is a side plan view showing a preferred embodiment of the folding bicycle body shown in FIG. 1. 3 is a perspective view showing a preferred embodiment of the retractable bicycle body shown in FIG. 1 in which the cover is opened to expose the storage compartment. 4 is a perspective view showing the preferred embodiment of the folding bicycle body shown in FIG. 1 after the folding handlebar of the front wheel steering operating mechanism is folded into the front body portion and the height of the seat cushion is lowered. FIG. 5 is a perspective view showing the preferred embodiment of the folding bicycle body shown in FIG. 4 for bending the folded body. FIG. 6 is a perspective view showing a preferred embodiment of the folding bicycle body shown in FIG. 5 after the folded body is folded in half, and the front body portion and the rear body portion are oppositely combined. FIG. 7 is a perspective view of the preferred embodiment of the folding bicycle body shown in FIG. 6 after the folded body is folded in half, and then the telescopic pull handle is pulled out.

10‧‧‧Retractable ontology

11‧‧‧ Front body

12‧‧‧ Rear body

123‧‧‧ accommodating recess

13‧‧‧Cushion member

131‧‧‧Cushion

132‧‧‧Adjustable support rod set

14‧‧‧Car body pivoting parts

20‧‧‧ front wheel

30‧‧‧ rear wheel

40‧‧‧Front wheel steering operating mechanism

41‧‧‧Front wheel rod

42‧‧‧Retractable handlebars

50‧‧‧ Rear wheel drive mechanism

51‧‧‧Drive shaft

52‧‧‧ pedal group

53‧‧‧Sprocket

Claims (12)

A folding bicycle body comprises: a folding body comprising a front body portion, a rear body portion and a pad member, wherein the front body portion and the rear body portion are box-shaped bodies a front movable space extending downward from a top portion thereof is formed in the front body portion, and a front wheel groove connecting the front movable space is formed at a front end of the front body portion, and a rear movable space is formed in the rear body portion. The rear end of the rear body portion forms a rear wheel groove that communicates with the rear movable space. The rear end of the front body portion and the front end side of the rear body portion are pivotally connected by a vehicle body pivoting member. A first fastener group is disposed between the rear end of the body portion and the front end of the rear body portion relative to the other side of the vehicle body pivot member, and the front body portion and the rear body portion are connected to each other and utilized. The first fastener group is fixed, and the folding body can be folded in half to form a shape in which the front body portion and the rear body portion are opposite to each other, and the seat member is disposed on the top of the rear body portion; The front wheel is steerably and rotatably mounted in the front wheel groove of the front body portion, and has a wheel in the front wheel a rear wheel rotatably pivoted in a rear wheel groove of the rear body portion, the rear wheel having an axle; a front wheel steering operating mechanism mounted to the front body of the folding body The front wheel steering operating mechanism includes a front wheel frame bar and a folding handlebar, and the front wheel frame bar is mounted on the front movable space of the front body portion and extends to the axle of the front wheel slot pivotally connected to the front wheel. The folding handlebar is rotatably mounted in the front body portion, and extends from the top of the front body portion into the front movable space to connect the front wheel frame bar, and the folding handlebar can be folded The front movable space of the front body portion; and a rear wheel drive mechanism are mounted on the rear body portion of the folding body and connected to the axle of the rear wheel. The retractable bicycle body according to claim 1, wherein the rear wheel drive mechanism comprises a drive shaft, two pedal sets and a drive sprocket set, the drive shaft being pivotally disposed at a rear of the rear body portion. In the space, the two ends of the driving shaft are respectively located on the left and right side walls of the rear body portion, and the two pedal groups are respectively disposed on the outer side surfaces of the left and right side walls of the rear body portion and are connected to the end of the driving shaft, and the driving sprocket is assembled. An axle disposed in the rear movable space of the rear body portion and connecting the drive shaft and the rear wheel. The retractable bicycle body according to claim 2, wherein the two pedal sets are retractably connected to the end of the drive shaft, and the left and right sides of the rear body portion are respectively provided with a receiving groove. The pedal set can be folded and placed in the corresponding receiving slot. The retractable bicycle body according to any one of claims 1 to 3, wherein the seat cushion member comprises a mat and an adjustable support rod assembly, the adjustable support rod being assembled to the rear body The top of the part is connected to the bottom of the seat cushion, and the height of the seat cushion can be adjusted. The retractable bicycle body according to claim 4, wherein the top of the rear body portion forms an accommodating recess corresponding to the shape and size of the seat cushion, and the adjustable support rod is assembled in the accommodating recess. The seat cushion can be lowered and folded into a corresponding receiving recess at the top of the rear body portion. The retractable bicycle body according to any one of claims 1 to 3, wherein the folding body is provided at a front end of the front body portion and a rear side of the rear body portion. The second fastener group is fixed by the second fastener group when the folding body is folded in half and the front body portion and the rear body portion are opposite to each other. The retractable bicycle body according to claim 5, wherein the folding body is provided with a second fastener group at a front end of the front body portion and a rear side of the rear body portion, When the folded body is folded in half and the front body portion and the rear body portion are opposed to each other, they are fixed by the second fastener group. The retractable bicycle body according to any one of claims 1 to 3, wherein either or both of the front body portion top and the rear body portion top form a storage chamber in the storage chamber Set the cover on the top. The folding bicycle body according to any one of the preceding claims, wherein any one or two of the front body portion top and the rear body portion top form a storage chamber, and the storage room is disposed on the storage room Cover plate. The retractable bicycle body according to any one of claims 1 to 3, wherein a telescopic type is provided at either or both of a front end portion of the front body portion and a front end portion of the rear body portion of the folding body Pull the handle. The retractable bicycle body according to claim 7, wherein a telescopic pull handle is disposed on either or both of the front end of the front body portion and the front end of the rear body portion of the folding body. The retractable bicycle body according to claim 9, wherein a telescopic pull handle is disposed on either or both of the front end of the front body portion and the front end of the rear body portion of the folding body.