Segmented combined handlebar vertical pipe mechanism
By using a segmented assembly of the rider seat tube mechanism and fixing the left and right clamps with screws to adjust the handlebar length, the problem of the traditional rider seat tube being unable to be adjusted is solved, enabling flexible adjustment of the handlebar length and saving on packing size.
Patent Information
- Application Number
- CN202520467295.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-14
AI Technical Summary
Traditional bicycle handlebar stem structures do not allow for flexible adjustment of handlebar length and grip posture according to individual needs, failing to meet the flexible adjustment needs of most people.
The bicycle adopts a segmented combination of handlebar stem mechanism, including left handlebar, right handlebar, stem adapter and fork stem. The handlebar length is adjusted by fixing the left and right clamps with screws, and the handlebars can be removed when packing to reduce the packing size.
It allows for flexible adjustment of the handlebar length, reduces the packing size, and facilitates transportation.
Smart Images

Figure CN223803723U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a handlebar riser of bicycle, especially to a sectional combination handlebar riser mechanism. BACKGROUND
[0002] The handlebar riser is a mechanism arranged at the front end of the bicycle and used for controlling the direction, in the traditional handlebar riser structure of the bicycle, the handlebar is installed in the riser of the head tube of the bicycle in a tubular shape, the handlebar penetrates the front extension lock hole of the riser, the front extension pipe has a semicircular structure, the handlebar is clamped into the semicircular structure, and then another semicircular lock cover is used, the lock cover has a group of lock holes, the handlebar is locked and fixed in the circular hole inside the front extension pipe of the riser through locking screws and is fixed, the grip posture of the handlebar can be locked and fixed, and then the position and grip posture of the handlebar are fixed, the whole handlebar and riser structure are simple, and the handlebar is an integrally formed structure, so that the handlebar grip posture cannot be freely adjusted according to the personal demand, and the length position of the handlebar and the angle of the handlebar grip cannot be adjusted according to the length of the arm of the rider, so the demand of most people for flexibly adjusting the length position of the handlebar cannot be met. SUMMARY
[0003] The utility model solves the technical problem in the prior art, provides a sectional combination handlebar riser mechanism which is convenient to adjust the length position of the handlebar and is helpful to reduce the packing size.
[0004] To solve the above technical problems, the utility model adopts the following technical scheme.
[0005] A sectional combination handlebar riser mechanism, which comprises a left handlebar, a right handlebar, a riser adapter seat and a front fork vertical pipe, the middle part of the riser adapter seat is fixedly connected with the upper end of the front fork vertical pipe, the left and right ends of the riser adapter seat are respectively provided with a left hoop and a right hoop, the right end of the left handlebar is inserted into the left hoop by a preset length, and the left hoop is provided with a first screw for fastening the left handlebar, and the left end of the right handlebar is inserted into the right hoop by a preset length, and the right hoop is provided with a second screw for fastening the right handlebar.
[0006] Preferably, the first screw and the second screw are arranged on the bottom side of the riser adapter seat.
[0007] Preferably, the bottom side of the left hoop is provided with two first screws, and the directions of the two first screws are opposite.
[0008] Preferably, the bottom side of the left hoop is provided with two second screws, and the directions of the two second screws are opposite.
[0009] Preferably, a middle hole is arranged in the middle of the riser adapter, a top end of the middle hole is covered with a locking piece, an upper end of the front fork vertical pipe is arranged in the middle hole, a third screw is arranged in the center of the locking piece, and the third screw is screwed to the upper end of the front fork vertical pipe.
[0010] Preferably, a frame head pipe and a bowl are sleeved outside the front fork vertical pipe, and the frame head pipe and the bowl are arranged between the riser adapter and the lower end of the front fork vertical pipe after being stacked.
[0011] Preferably, an elastic sleeve and two washers are arranged in the frame head pipe, the elastic sleeve and the two washers are sleeved outside the front fork vertical pipe, and the two washers are clamped between the lower end of the elastic sleeve and the upper end of the bowl.
[0012] Preferably, a notch is arranged in the side wall of the elastic sleeve, the notch penetrates the upper and lower ends of the elastic sleeve, the elastic sleeve has a conical outer side wall, the middle hole has a conical inner side wall, the upper end of the conical outer side wall is located inside the lower end of the conical inner side wall, and the two are in abutting fit.
[0013] In the segmented combination bicycle hand riser pipe mechanism, the upper end of the front fork vertical pipe is fixedly connected to the middle of the riser adapter, so that the riser adapter and the front fork vertical pipe are fixedly assembled, the left clamp and the right clamp are integrally arranged at the left and right ends of the riser adapter, respectively, the right end of the left handlebar is inserted into the left clamp, the left end of the right handlebar is inserted into the right clamp, and the insertion lengths of the left handlebar and the right handlebar can be flexibly adjusted. The left clamp and the right clamp are locked by the first screw and the second screw, so that the left handlebar and the right handlebar are fixed at the preset length position. Based on the above structure, the length positions of the left handlebar and the right handlebar can be flexibly adjusted according to the body shape of the user. In addition, when the box is packed, the left handlebar and the right handlebar can be separately placed after being detached from the riser adapter. Thus, the packing size is not too large due to the outward extension of the handlebars, space is saved, and transportation is facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a sectional view of the segmented combination bicycle hand riser pipe mechanism.
[0015] Figure 2 It is an exploded view of the segmented combination bicycle hand riser pipe mechanism. Figure 1 ;
[0016] Figure 3 It is an exploded view of the segmented combination bicycle hand riser pipe mechanism. Figure 2 . DETAILED DESCRIPTION
[0017] The utility model discloses make more detailed description to the utility model below combining the drawings and examples.
[0018] The utility model discloses a kind of segmented combination car hand riser pipe mechanism, combining Figures 1 to 3 As shown in the figure, it includes left handlebar 1, right handlebar 2, riser pipe adapter seat 3 and front fork vertical pipe 4, the middle of riser pipe adapter seat 3 is fixedly connected with the upper end of front fork vertical pipe 4, the left and right ends of riser pipe adapter seat 3 are respectively provided with left hoop 30 and right hoop 31, the right end of left handlebar 1 is inserted into left hoop 30 with a preset length, and first screw 32 for fastening left handlebar 1 is arranged on left hoop 30, the left end of right handlebar 2 is inserted into right hoop 31 with a preset length, and second screw 33 for fastening right handlebar 2 is arranged on right hoop 31.
[0019] In the above structure, the upper end of front fork vertical pipe 4 is fixedly connected with the middle of riser pipe adapter seat 3, so as to fix and assemble riser pipe adapter seat 3 and front fork vertical pipe 4, left hoop 30 and right hoop 31 are integrally formed at the left and right ends of riser pipe adapter seat 3, the right end of left handlebar 1 is inserted into left hoop 30, the left end of right handlebar 2 is inserted into right hoop 31, and the insertion length of left handlebar 1 and right handlebar 2 can be flexibly adjusted, and then left hoop 30 and right hoop 31 are locked by first screw 32 and second screw 33, so as to fix left handlebar 1 and right handlebar 2 at a preset length position. Based on the above structure, the length position of left handlebar 1 and right handlebar 2 can be flexibly adjusted according to the user's body shape. In addition, left handlebar 1 and right handlebar 2 can be placed separately after being detached from riser pipe adapter seat 3 during packing. Thus, the packing size is avoided to be too large due to the outward extension of handlebars, which saves space and facilitates transportation.
[0020] As a preferred mode, first screw 32 and second screw 33 are arranged on the bottom side of riser pipe adapter seat 3. In this embodiment, first screw 32 and second screw 33 are hidden on the bottom side of riser pipe adapter seat 3, which can avoid the interference between first screw 32 and second screw 33 and the position of handlebar top side mounted bell, lamp holder and the like.
[0021] Combining Figure 2 and Figure 3 As shown in the figure, in this embodiment, the bottom side of left hoop 30 is provided with two first screws 32, and the directions of the two first screws 32 are opposite. Correspondingly, the bottom side of left hoop 30 is provided with two second screws 33, and the directions of the two second screws 33 are opposite.
[0022] In the structure, each group of screws arranged at the bottom side of the riser adapter 3 is arranged oppositely, which helps to balance the stress of the clamp after locking.
[0023] In order to better install and fix the front fork vertical pipe 4, in the embodiment, a middle hole 34 is arranged at the middle of the riser adapter 3, the top end of the middle hole 34 is covered with a locking piece 5, the upper end of the front fork vertical pipe 4 is arranged in the middle hole 34, and a third screw 6 is arranged at the center of the locking piece 5 and screwed into the upper end of the front fork vertical pipe 4.
[0024] Further, the outside of the front fork vertical pipe 4 is sleeved with a head tube 7 and a bowl 8, and the head tube 7 and the bowl 8 are arranged between the riser adapter 3 and the lower end of the front fork vertical pipe 4 after being stacked in layers.
[0025] On this basis, the head tube 7 is provided with an expansion sleeve 9 and two gaskets 10, the expansion sleeve 9 and the two gaskets 10 are sleeved on the outside of the front fork vertical pipe 4, and the two gaskets 10 are clamped between the lower end of the expansion sleeve 9 and the upper end of the bowl 8.
[0026] In actual application, the middle hole of the riser adapter can make the front fork vertical pipe penetrate and press into the head tube bowl, two gaskets are added above the bowl to adjust the height of the rider, the expansion sleeve is clamped into the front fork vertical pipe and penetrates into the vertical hole of the riser adapter, and then the locking piece is covered and locked on the screw thread of the sunflower locking piece of the front fork vertical pipe by the screw, so as to achieve the purpose of locking the rider and the front fork.
[0027] As a preferred mode, the side wall of the expansion sleeve 9 is provided with a notch 90 penetrating the upper and lower ends of the expansion sleeve 9, the expansion sleeve 9 has a tapered outer side wall 91, the middle hole 34 has a tapered inner side wall 35, and the upper end of the tapered outer side wall 91 is located inside the lower end of the tapered inner side wall 35 and abuts and cooperates with the lower end of the tapered inner side wall 35.
[0028] In the structure, based on the cooperation of the tapered inner side wall 35 and the tapered outer side wall 91, the expansion sleeve 9 can strengthen the sleeving stress on the front fork vertical pipe 4, so as to further fix the riser adapter 3 and the front fork vertical pipe 4.
[0029] The above description is only the preferred embodiment of the present application and is not used to limit the present application, and any modification, equivalent replacement or improvement made within the technical scope of the present application shall be included in the scope of protection of the present application.
Claims
1. A segmented combination bicycle hand tube mechanism, characterized by, The utility model provides a bicycle frame, including left handlebar (1), right handlebar (2), vertical pipe adapter (3) and fork vertical pipe (4), the middle part of vertical pipe adapter (3) is fixedly connected with the upper end of fork vertical pipe (4), the left and right ends of vertical pipe adapter (3) are equipped with left hoop (30) and right hoop (31) respectively, the right end of left handlebar (1) is inserted into left hoop (30) inside the preset length, and first screw (32) for fastening left handlebar (1) is equipped on left hoop (30), the left end of right handlebar (2) is inserted into right hoop (31) inside the preset length, and second screw (33) for fastening right handlebar (2) is equipped on right hoop (31).
2. The segment combination vehicle stand pipe mechanism according to claim 1, characterized by, The first screw (32) and the second screw (33) are both arranged on the bottom side of the vertical pipe adapter (3).
3. The segment combination vehicle stand pipe mechanism according to claim 2, characterized by, The bottom side of the left hoop (30) is provided with two first screws (32), and the directions of the two first screws (32) are opposite.
4. The segment combination vehicle stand pipe mechanism according to claim 2, characterized by, The bottom side of the left hoop (30) is provided with two second screws (33), and the directions of the two second screws (33) are opposite.
5. The segment combination vehicle stand pipe mechanism according to claim 1, wherein The middle part of the vertical pipe adapter (3) is provided with a middle hole (34), the top end of the middle hole (34) is covered with a locking piece (5), the upper end of the fork vertical pipe (4) is arranged in the middle hole (34), a third screw (6) is arranged at the center of the locking piece (5), and the third screw (6) is screwed into the upper end of the fork vertical pipe (4).
6. The segment combination vehicle stand pipe mechanism according to claim 5, wherein The outer side of the fork vertical pipe (4) is sleeved with a head tube (7) and a bowl (8), and the head tube (7) and the bowl (8) are arranged between the vertical pipe adapter (3) and the lower end of the fork vertical pipe (4) after being stacked.
7. The segment combination vehicle stand pipe mechanism according to claim 6, wherein The head tube (7) is provided with an expansion sleeve (9) and two gaskets (10), the expansion sleeve (9) and the two gaskets (10) are both sleeved on the outer side of the fork vertical pipe (4), and the two gaskets (10) are clamped between the lower end of the expansion sleeve (9) and the upper end of the bowl (8).
8. The segment combination vehicle stand pipe mechanism according to claim 7, characterized by, The side wall of the expansion sleeve (9) is provided with a notch (90), the notch (90) penetrates the upper and lower ends of the expansion sleeve (9), the expansion sleeve (9) has a tapered outer side wall (91), the middle hole (34) has a tapered inner side wall (35), the upper end of the tapered outer side wall (91) is located inside the lower end of the tapered inner side wall (35), and the two are in abutting cooperation.