CN210707771U - Vertical tube of bicycle - Google Patents

Abstract

A vertical tube of a bicycle comprises a handlebar, a frame and a first pipeline set, the vertical tube comprises a body and a front cover, the front cover is connected with a first end of the body, the front cover and the body jointly form at least one first through groove and one second through groove, the first through groove is used for the first pipeline set to penetrate through, the second through groove is used for the handlebar to penetrate through, and the first through groove and the second through groove are separated from each other.

Description

Vertical tube of bicycle

Technical Field

The utility model relates to a bicycle, in particular to a design of a vertical pipe of a bicycle capable of improving the pipeline exposure and the mutual winding of pipelines.

Background

Most of the existing bicycle frames are hollow tubular structures, but the routing of the brake wires, the speed change wires and other pipelines are usually fixed to the outside of the bicycle frame in an exposed manner, and the design of fixing to the outside not only causes the appearance disorder and the unsightly phenomenon, but also increases the wind resistance coefficient of the bicycle.

In order to improve the above situation, a practitioner directly opens a plurality of through holes on the bicycle frame, and then the cables such as the brake cable and the shift cable can be directly inserted into the bicycle frame through the through holes to achieve the design of inner routing.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a bicycle stem design that can improve the problems of exposed and intertwined pipelines.

The present invention provides a bicycle with a vertical tube, the bicycle includes a handlebar, a frame and a first tube set, the vertical tube includes a body and a front cover, the front cover is connected to the first end of the body, and the front cover and the body together form at least one first through groove and a second through groove, the at least one first through groove is used for the first tube set to pass through, the second through groove is used for the handlebar to pass through, and the at least one first through groove and the second through groove are separated from each other.

Wherein two sides of the first end of the main body are respectively provided with a first protruding portion symmetrically arranged, and the first protruding portion and the front cover together form the at least one first through groove.

Wherein, two sides of the front cover are respectively provided with a second protruding part corresponding to the first protruding part, and the second protruding part and the first protruding part together form the at least one first through slot.

Wherein the first protrusion and the second protrusion are both provided with a groove, and the groove of the first protrusion and the groove of the second protrusion together form the at least one first through groove.

Wherein, two sides of the front cover are respectively provided with a second protruding part which is symmetrically arranged, and the second protruding part and the body together form the at least one first through groove.

The vertical tube of the bicycle comprises a lower cover, the lower cover is connected to a bottom surface of the body, a first channel is formed between the lower cover and the body, the first channel is parallel to a long shaft of the vertical tube, the long shaft passes through a first end of the vertical tube and a second end opposite to the first end, and the first pipeline group is arranged in the first channel.

The bicycle comprises a second pipeline group, the vertical pipe is provided with an accommodating space, a second channel is arranged in the accommodating space, the second channel extends along the long axis of the vertical pipe and is communicated with the second through groove, the second pipeline group is arranged in the second channel, and the first channel and the second channel are not communicated with each other.

The lower cover is arranged between the body and the frame, the lower cover is provided with a first through hole and a second through hole, the first through hole and the second through hole are separated from each other, the first through hole is communicated with the first channel, the second through hole is communicated with the second channel, the second end of the body is provided with a combination hole, one part of the frame penetrates through the second through hole and the combination hole, the first pipeline group penetrates through the at least one first through groove and penetrates out of the first through hole through the first channel, and the second pipeline group penetrates through the second through groove and penetrates out of the second through hole through the second channel.

The lower cover is provided with a first side plate, a second side plate and a bottom plate, the first side plate and the second side plate are respectively connected with two sides of the bottom plate, and the first side plate, the second side plate and the bottom plate and the body are enclosed to form the first channel.

The lower cover comprises a first cover part and a second cover part, the first cover part is close to the first end of the vertical pipe, the second cover part is arranged at the second end of the vertical pipe, a first combining part is arranged at the position, facing the second end, of the first cover part, a second combining part is arranged at the position, facing the first end, of the second cover part, and the first combining part of the first cover part is matched with the second combining part of the second cover part in a corresponding structure.

Wherein, one of the first combining part or the second combining part comprises at least one bolt, the other one of the first combining part or the second combining part comprises at least one slot, and the at least one bolt and the at least one slot are mutually matched and connected.

Wherein the lower cover comprises a third cover member having a third joint portion facing the first end, a fourth joint portion facing the second end, the third joint portion of the third cover member being engaged with the first joint portion of the first cover member in a corresponding configuration, the fourth joint portion of the third cover member being engaged with the second joint portion of the second cover member in a corresponding configuration.

Wherein, one of the first combining part or the third combining part comprises at least one bolt, and the other of the first combining part or the third combining part comprises at least one slot, and the at least one bolt and the at least one slot are mutually matched and connected.

Wherein the lower cover comprises a plurality of third cover parts, wherein the third combining part of one of the plurality of third cover parts can be matched with the fourth combining part of another one of the plurality of third cover parts in a corresponding structure.

The third combining part comprises at least one slot, the fourth combining part comprises at least one bolt, and the at least one bolt and the at least one slot are matched and connected with each other.

The lower cover is arranged between the body and the frame, the lower cover is provided with a first through hole and a second through hole, the first through hole and the second through hole are separated from each other, the second end of the body is provided with a combination hole and a communication hole, the combination hole and the communication hole are separated from each other, one part of the frame penetrates through the second through hole and the combination hole, the second pipeline group penetrates through the second through groove, and penetrates out of the second through hole after passing through the communication hole through the second channel.

The utility model has the advantages that the structure design can prevent the pipelines from winding in the frame, and the service life of the pipelines can be prolonged.

Drawings

Fig. 1 is a perspective view of a stand pipe of a bicycle according to a first preferred embodiment of the present invention.

FIG. 2 is a partially exploded perspective view of the standpipe of the bicycle in accordance with the preferred embodiment.

FIG. 3 is a partially exploded perspective view of the standpipe of the bicycle in accordance with the preferred embodiment.

Fig. 4 is a cross-sectional view of fig. 1.

Fig. 5 is a schematic view of a stand pipe of a bicycle according to a second preferred embodiment of the present invention.

Fig. 6 is a schematic view of a standpipe of a bicycle according to a third preferred embodiment of the present invention.

Fig. 7 is a schematic view of a standpipe of a bicycle according to a fourth preferred embodiment of the present invention.

Fig. 8 is a cross-sectional view of fig. 7.

FIG. 9 is a partially exploded perspective view of the standpipe of the bicycle in accordance with the preferred embodiment.

FIG. 10 is a partially exploded perspective view of a vertical tube of a bicycle in accordance with a fifth preferred embodiment of the present invention.

FIG. 11 is a schematic view of a vertical tube of a bicycle in accordance with another preferred embodiment of the present invention, with parts separated.

Description of the reference numerals

[ the utility model ]

10 vertical tube

101a, 101b, 101c, 101d, 101e, 101f grooves

101 first through groove 102 second through groove

103 first channel 104 second channel

12 body

12a first end 12b second end 12c top

12d bottom 12e bottom surface 121 first projection

122 first screw hole 123 combined with the hole 124 bolt

125 second screw hole of communication hole 126

13 Top cover

131 screw hole

14 front cover

141 second projection 142 bottom

16 lower cover

161 first side plate 162 second side plate 163 bottom plate

163a first through hole 163b, second through hole 163c, and third through hole

17 first cover member

171 end 172 first joint

18 second cover part

181 end 182 second engaging portion

19 third cover part

191a, 191b, 192, and 193, and fourth

20 vehicle handle

30 first line set

40 second line set

50. 60, 70, 80 standpipe

A1 first axis A2 second axis A3 Long axis

Detailed Description

In order to more clearly illustrate the present invention, the following preferred embodiments are described in detail with reference to the accompanying drawings. Referring to fig. 1 to 4, a bicycle stem 10 according to a first preferred embodiment of the present invention includes a handlebar 20, a frame (not shown), a first cable assembly 30 and a second cable assembly 40, wherein the first cable assembly 30 and the second cable assembly 40 may include at least one cable, one end of the cable is connected to a controller (such as a speed change controller, a seat height controller, a brake lever, etc.) of the bicycle, and the other end of the cable is connected to a bicycle component (such as a transmission, a brake, a telescopic seat lever, etc.).

The standpipe 10 includes a main body 12 and a front cover 14, the front cover 14 is connected to a first end 12a of the main body 12, and the front cover 14 and the main body 12 together form a first through slot 101 and a second through slot 102, the first through slot 101 is for the first pipeline set 30 to pass through, the second through slot 102 is for the handlebar 20 to pass through, and the first through slot 101 of the standpipe 10 has a first axis a1, the second through slot 102 has a second axis a2, the first axis a1 is not collinear with the second axis a 2. In the present embodiment, the first shaft a1 is disposed radially below the second shaft a2 from an axial perspective.

Wherein the body 12 of the standpipe 10 has a second end 12b opposite the first end 12a, the second end 12b has a top 12c open to the outside on one side thereof and a bottom 12d on a side opposite the top 12c, the body 12 has a bottom 12e, the bottom 12e is disposed on the bottom 12d and extends from the first end 12a toward the second end 12b of the body 12, the bottom 12e has a major axis a3 passing through the first end 12a and the second end 12b of the body 12. The vertical tube 10 includes a top cover 13, the top cover 13 covers the top portion 12c, and the bottom portion 12d has a coupling hole 123 for a portion of a vehicle frame, such as a head pipe (not shown), to pass through, and the vertical tube 10 and the vehicle frame are fastened by fasteners (not shown) through the screw holes 131 of the top cover 13.

In this embodiment, two sides of the first end 12a of the main body 12 are respectively provided with symmetrical first protrusions 121, and the first protrusions 121 extend from the bottom surface 12e of the first end 12a away from the main body 12; the two sides of the front cover 14 are respectively provided with a second protrusion 141 corresponding to the first protrusion 121, and the second protrusion 141 extends from the bottom 142 of the front cover 14 in a direction away from the front cover 14. The first protrusion 121 is provided with a groove 101a recessed away from the second protrusion 141, the second protrusion 141 is provided with a groove 101b recessed away from the first protrusion 141, and the grooves 101a, 101b may be arc-shaped grooves. When the front cover 14 is screwed to the body 12 by bolts (not shown) through first screw holes 122 in the body 12, the recessed groove 101a of the first protrusion 121 and the recessed groove 101b of the second protrusion 141 are combined together to form a first through groove 101. The first end 12a of the body 12 is provided with a recessed groove 101c recessed away from the front cover 14, the front cover 14 is provided with a recessed groove 101d recessed away from the body 12 at a position corresponding to the recessed groove 101c, the recessed groove 101c on the body 12 and the recessed groove 101d on the front cover together form a second through groove 102, and a groove wall of the recessed groove 101c on the body 12 and a groove wall of the recessed groove 101d on the front cover 14 are clamped and squeezed on the handlebar 20 at the same time, so as to achieve the purpose of fixing the handlebar 20.

The standpipe 10 includes a lower cover 16, the lower cover 16 is disposed on the bottom surface 12e of the main body 12 and extends from the second end 12b toward the first end 12a, i.e., the lower cover 16 extends along the long axis a 3. The lower cover 16 and the body 12 together form a first channel 103 therebetween, and the first set of pipes 30 is disposed in the first channel 103. The vertical pipe 10 has a receiving space defined therein as a second channel 104, the second channel 104 extends from the first end 12a of the body 12 toward the second end 12b and is communicated with the top portion 12c and the bottom portion 12d, and the second pipeline set 40 is disposed in the second channel 104. In the embodiment, the first channel 103 and the second channel 104 are not connected to each other, so that the first pipeline set 30 and the second pipeline set 40 can be separated by shunting the first channel 103 and the second channel 104, thereby generating an isolation effect, preventing the first pipeline set 30 and the second pipeline set 40 from being twisted or interfered with each other, further prolonging the service life of pipelines, and achieving the effect of making the appearance of the bicycle stand neat.

It should be noted that the bottom cover 16 has a first side plate 161, a second side plate 162 and a bottom plate 163, and the first side plate 161 and the second side plate 162 are respectively connected to two sides of the bottom plate 163. When the bottom cover 16 is connected to the body 12, the first side plate 161, the second side plate 162, and the bottom plate 163 surround the bottom 12e of the body 12 to form the first channel 103. The bottom plate 163 of the bottom cover 16 is provided with a first through hole 163a and a second through hole 163b, the first through hole 163a and the second through hole 163b are adjacent to the bottom 12d of the second end 12b of the standpipe 10, the first through hole 163a and the second through hole 163b are separated from each other, and the first through hole 163a and the second through hole 163b communicate with the first passage 103. Thus, the first pipeline group 30 can pass through the at least one first through slot 101, pass through the first channel 103, and pass out of the first through hole 163a or the second through hole 163 b. The second through hole 163b communicates with the combining hole 123 of the body 12 and communicates with the second passage 104, and the lower cover 16 is disposed between the vertical tube 10 and the frame. Thus, when a portion of the frame (e.g., a head pipe) passes through the second through hole 163b of the lower cover 16 and enters the coupling hole 123 of the main body 12 of the vertical pipe 10, the second pipe set 40 can pass through the handle 20 into the second channel 104 and the coupling hole 123 of the vertical pipe 10 and enter the frame through the second through hole 163 b.

Referring to fig. 5, a standpipe 50 of a bicycle according to a second preferred embodiment of the present invention has a structure substantially the same as that of the first preferred embodiment, except that a first protrusion 121 extends from a bottom surface 12e of a body 12 toward a front cover 14, the first protrusion 121 is provided with a recess 101e recessed away from the front cover 14, and the recess 101e and a bottom 142 of the front cover 14 together form a first through groove 101. Referring to fig. 6, a standpipe 60 of a bicycle according to a third preferred embodiment of the present invention has a structure substantially the same as that of the first preferred embodiment, except that a second protrusion 141 extends from the bottom of the front cover 14 toward the main body 12, the second protrusion 141 has a recess 101f recessed away from the standpipe 12, and the recess 101f and the bottom of the main body 12 together form a first through groove 101.

Referring to fig. 7 to 9, a standpipe 70, a front cover 14 and a body 12 of the standpipe 70 according to a fourth preferred embodiment of the present invention are substantially the same as those of the first preferred embodiment, except that a bottom 12d of a second end 12b of the body 12 of the standpipe 70 is provided with a communication hole 125 separated from a coupling hole 123, the communication hole 125 is communicated with the second channel 104, a bottom surface 12e adjacent to the first end 12a is provided with a second screw hole 126, and a lower cover 16 of the standpipe 70 includes a first cover member 17 and a second cover member 18. The first cover 17 is disposed on the bottom 12e of the body 12 near the first end 12a, the first cover 17 has a third through hole 163c corresponding to the second screw hole 126 of the body 12, and a first coupling portion 172 is disposed on an end 171 of the first cover 17 facing the second end 12b of the body 12. The second cover member 18 is disposed on the bottom 12e of the body 12 and extends from the second end 12b toward the first end 12a, i.e. the second cover member 18 extends along the long axis a3, and the second cover member 18 is disposed with a first through hole 163a and a second through hole 163b corresponding to the connection hole 123 and the communication hole 125 of the standpipe 70. A second coupling portion 182 is provided on an end portion 181 of the second cover 18 facing the first end 12a of the body 12.

During assembly, the first coupling portion 172 of the first cover 17 and the second coupling portion 182 of the second cover 18 are engaged with each other, and the bolt 124 is sequentially inserted through the third through hole 163c of the lower cover 16 and screwed into the second screw hole 126 of the main body, so as to fasten the lower cover 16 to the main body 12. In the present embodiment, the first combining portion 172 and the second combining portion 182 can be corresponding pins and slots, the first combining portion 172 can be pins, and the second combining portion 182 can be slots, but is not limited thereto. In practice, the first coupling portion 172 and the second coupling portion 182 may be coupled to each other by other methods, and the coupling method of the pin and the slot is not limited. In addition, in the embodiment, the number of the pins and the slots is three, and in other embodiments, the number of the pins and the slots may be one, two or more than three, which can achieve the effect of mutual connection.

After the lower cover 16 is screwed to the body 12 through the bolt 124 and the second screw hole 126 of the body 12, the peripheries of the first cover 17 and the second cover 18 together form a first side plate 161, a second side plate 162 and a bottom plate 163 of the lower cover 16, so that the lower cover 16 and the body 12 together form a first channel 103, and the first pipeline set 30 can be disposed in the first channel 103. The second pipe line set 40 can be inserted into the second channel 104 and the communication hole 125 of the vertical pipe 10 from the handle 20, and then enter the frame from the communication hole 125 through the second through hole 163 b.

The standpipe 80 of the fifth preferred embodiment of the present invention is substantially the same as the standpipe of the fourth preferred embodiment, except that the standpipe 80 is shown in fig. 10, the lower cover 16 further comprises a third cover 19, and the third cover 19 is disposed on the bottom surface 12e of the body 12 and between the first cover 17 and the second cover 18. The third cover 19 has a third coupling portion 192 at one end 191a facing the first end 12a of the body 12 and a fourth coupling portion 193 at the other end 191b facing the second end 12b of the body 12. During assembly, the first coupling portion 172 of the first cover 17 and the third coupling portion 192 of the third cover 19 are structurally engaged with each other, and the second coupling portion 182 of the second cover 18 and the fourth coupling portion 193 of the third cover 19 are structurally engaged with each other. In this embodiment, the corresponding first and third combining portions 172 and 192 and the corresponding second and fourth combining portions 182 and 193 may be pins and slots that are engaged with each other. In practice, the corresponding first and third combining portions 172 and 192 and the corresponding second and fourth combining portions 182 and 193 can be combined by other methods to achieve the effect of mutual connection, and the combination method of the pin and the slot is not limited to the above-mentioned combination method. In addition, in the embodiment, the number of the pins and the slots is three, and in other embodiments, the number of the pins and the slots may be one, two or more than three, which can achieve the effect of mutual connection.

After the lower cover 16 is screwed to the body 12 through the bolt 124 and the second screw hole 126 of the body 12, the peripheries of the first cover 17, the second cover 18 and the third cover 19 together form a first side plate 161, a second side plate 162 and a bottom plate 163 of the lower cover 16, so that the lower cover 16 and the body 12 together form a first channel 103 for the first pipeline set 30 to be disposed in the first channel 103.

In addition, referring to fig. 11, in another embodiment, the number of the third cover members 19 is two, wherein the third combining portion 192 of one third cover member 19 can be combined with the fourth combining portion 193 of another third cover member 19, and wherein the third combining portion 192 of one third cover member 19 and the another fourth combining portion 193 of the third cover member 19 can be pins and slots which are matched and connected with each other. Therefore, the user can increase the number of the third lid members 19 according to the requirement to match the body 12 of the vertical tube 10, so as to extend the length of the first channel 103, thereby achieving the specific effect of preventing the first pipeline assembly 30 from being exposed outside the vertical tube 80. In practice, three or more third lid members 19 may be added to the user according to the user's needs.

The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications to the application of the present invention and the claims should be considered to be included in the scope of the present invention.

Claims (16)

1. A stem for a bicycle, said bicycle comprising a handlebar, a frame and a first set of lines, said stem comprising:

the standpipe comprises a body and a front cover, the front cover is connected to the first end of the body, at least one first penetrating groove and a second penetrating groove are formed on the front cover and the body together, the first penetrating groove is used for the first pipeline set to penetrate through, the second penetrating groove is used for the handlebar to penetrate through, and the first penetrating groove and the second penetrating groove are separated from each other.

2. The standpipe of claim 1, wherein the first end of the body is symmetrically provided with a first protrusion on each side, and the first protrusion and the front cover together form the at least one first through slot.

3. The standpipe of claim 2, wherein both sides of the front cover are respectively provided with a second protrusion corresponding to the first protrusion, and the second protrusion and the first protrusion together form the at least one first through slot.

4. The standpipe of claim 3, wherein the first protrusion and the second protrusion are each provided with a groove, the groove of the first protrusion and the groove of the second protrusion together forming the at least one first through slot.

5. The standpipe of claim 1, wherein the two sides of the front cover are respectively provided with a second protrusion symmetrically arranged, and the second protrusion and the body together form the at least one first through slot.

6. The bicycle standpipe of claim 1, comprising a bottom cap connected to a bottom surface of the body, and the bottom cap and the body together define a first passageway therebetween, the first passageway being parallel to a longitudinal axis of the standpipe, the longitudinal axis passing through a first end of the standpipe and a second end opposite the first end, the first set of lines being disposed in the first passageway.

7. The standpipe of claim 6, wherein the bicycle comprises a second set of lines, the standpipe having a receiving space with a second channel therein, the second channel extending along a longitudinal axis of the standpipe and communicating with the second through slot, the second set of lines being disposed in the second channel, the first channel and the second channel not communicating with each other.

8. The standpipe of claim 7, wherein the bottom cap is disposed between the body and the frame, the bottom cap defines a first aperture and a second aperture, the first aperture and the second aperture are spaced apart from each other, the first aperture communicates with the first passage, the second aperture communicates with the second passage, the second end of the body defines a coupling aperture, a portion of the frame extends through the second aperture and the coupling aperture, the first line set extends through the at least one first slot, through the first passage, and out of the first aperture, and the second line set extends through the second slot, through the second passage, and out of the second aperture.

9. The standpipe of claim 6, wherein the bottom cover has a first side plate, a second side plate and a bottom plate, the first side plate and the second side plate are respectively connected to two sides of the bottom plate, and the first side plate, the second side plate and the bottom plate enclose the body to form the first channel.

10. The standpipe of claim 9, wherein said lower cover comprises a first cover member adjacent a first end of said standpipe and a second cover member disposed at a second end of said standpipe, said first cover member having a first engagement portion disposed toward said second end, said second cover member having a second engagement portion disposed toward said first end, said first engagement portion of said first cover member mating with said second engagement portion of said second cover member in a corresponding configuration.

11. The standpipe of claim 10, wherein one of the first engaging portion or the second engaging portion comprises at least one latch, and the other of the first engaging portion or the second engaging portion comprises at least one slot, the at least one latch and the at least one slot cooperatively connecting with each other.

12. The bicycle standpipe of claim 10, wherein the bottom cap comprises a third cap member having a third engagement portion located toward the first end, the third cap member having a fourth engagement portion located toward the second end, the third engagement portion of the third cap member mating with the first engagement portion of the first cap member in a corresponding configuration, the fourth engagement portion of the third cap member mating with the second engagement portion of the second cap member in a corresponding configuration.

13. The standpipe of claim 12, wherein one of the first engaging portion or the third engaging portion comprises at least one latch and the other of the first engaging portion or the third engaging portion comprises at least one slot, the at least one latch and the at least one slot cooperatively connecting with each other.

14. The bicycle standpipe of claim 12, wherein said lower cover includes a plurality of third cover members, wherein said third engagement portion of one of said plurality of third cover members is engageable with said fourth engagement portion of another of said plurality of third cover members in a corresponding configuration.

15. The standpipe of claim 14, wherein the third engagement portion comprises at least one slot and the fourth engagement portion comprises at least one latch, the at least one latch and the at least one slot cooperatively connecting with each other.

16. The standpipe of claim 7, wherein the lower cover is disposed between the body and the frame, the lower cover has a first through hole and a second through hole, the first through hole and the second through hole are separated from each other, the second end of the body has a coupling hole and a communication hole, the coupling hole and the communication hole are separated from each other, a portion of the frame passes through the second through hole and the coupling hole, the second pipe set passes through the second through groove, passes through the communication hole via the second channel, and then passes through the second through hole.

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