CN106828749B

CN106828749B - Folding handlebar

Info

Publication number: CN106828749B
Application number: CN201710149226.1A
Authority: CN
Inventors: 李峡
Original assignee: Shanghai Himo Electric Technology Co ltd
Current assignee: Shanghai Himo Electric Technology Co ltd
Priority date: 2017-03-14
Filing date: 2017-03-14
Publication date: 2022-08-09
Anticipated expiration: 2037-03-14
Also published as: CN106828749A

Abstract

The invention relates to a folding handlebar, which comprises a first handlebar and a second handlebar, wherein a first splicing part is fixed at the tail end of the first handlebar, a second splicing part is fixed at the tail end of the second handlebar, shaft holes are formed in the first splicing part and the second splicing part, the first splicing part and the second splicing part can rotate around a handlebar rotating shaft to drive the first handlebar and the second handlebar to be opened and closed, a ball spring positioning component is arranged at the first splicing part, a positioning groove is formed in the second splicing part, the ball spring component is matched with the positioning groove to enable the first handlebar and the second handlebar to be fixed after being opened and closed, clamping grooves are formed in the side surfaces of the first splicing part and the second splicing part, movable wrenches are arranged on the first handlebar and the second handlebar, and the ends of the movable wrenches are clamped in the corresponding clamping grooves after the first handlebar and the second handlebar are opened. The bicycle handlebar locking device is stable in structure, and the problem that the folding handlebar is loosened during riding due to misoperation is greatly reduced.

Description

Folding handlebar

[ technical field ]

The invention relates to a handlebar structure, in particular to a folding handlebar.

[ background art ]

In the prior art, the foldable bicycles and the foldable electric vehicles are more and more popular because the foldable bicycles and the foldable electric vehicles are convenient to carry, and can solve the problems of short trip and last kilometer on duty. The folding electric vehicle is a vehicle which can be folded, reduce the volume and realize the purpose of portability, and all parts of the folding electric vehicle can be folded through the ingenious invention design of a designer.

For the folding handlebar, not only the volume problem after folding needs to be considered, but also the safety problem during riding needs to be considered, for example, because of the existence of the bending part, if the structure of the folding handlebar is lack of stability, the handlebar is bent due to force application during riding, traffic accidents are easily caused, and the personal safety is endangered.

[ summary of the invention ]

The invention aims to solve the safety problem of a folding handlebar in the prior art.

In order to achieve the purpose, the folding handlebar comprises a first handlebar and a second handlebar, wherein a first splicing part is fixed at the tail end of the first handlebar, a second splicing part is fixed at the tail end of the second handlebar, shaft holes are formed in the first splicing part and the second splicing part, the first splicing part and the second splicing part are sleeved on a handlebar rotating shaft through the shaft holes after being spliced, the first splicing part and the second splicing part can rotate around the handlebar rotating shaft to drive the first handlebar and the second handlebar to be opened and closed, a plurality of component grooves are formed in the splicing surfaces of the first splicing part, ball spring positioning components are arranged in the component grooves, positioning grooves matched with the ball spring positioning components are formed in a plurality of positions of the splicing surfaces of the second splicing part, the ball spring components are matched with the positioning grooves to enable the handlebars to be fixed after being opened and closed, a first clamping groove is formed in the side surface of the first splicing part, and a second clamping groove is formed in the side surface of the second splicing part, the first movable spanner is arranged on the first handle rod, the second movable spanner is arranged on the second handle rod, after the first handle rod and the second handle rod are opened, the end of the first movable spanner is clamped in the second clamping groove, the end of the second movable spanner is clamped in the first clamping groove, and slopes for guiding the ends of the spanners to enter are arranged on the first clamping groove and the second clamping groove.

The folding handlebar also has the following optimization scheme:

the handle bar rotating shaft is characterized in that handle bar pressing plates are arranged at the top and the bottom of the handle bar rotating shaft, and the first splicing part and the second splicing part are limited on the handle bar rotating shaft between the two handle bar pressing plates.

The handle pressing plate is provided with a lighting assembly.

The first handle rod and the second handle rod are both provided with grooves for placing the adjustable wrench, the adjustable wrench comprises a pulling piece, a supporting rod and a spring, the supporting rod is fixed in the grooves, the pulling piece is movably connected with the supporting rod, the pulling piece takes the supporting rod as a fulcrum to pull, and the spring is connected between the tail of the pulling piece and the bottom of the groove.

The handlebar rotating shaft is connected with the handlebar vertical pipe through the handlebar connecting part.

The handle bar connecting part is provided with a convex rib matched with the groove.

The handlebar connecting part is provided with a hook.

And the first handle bar and/or the second handle bar are/is provided with a brake component.

The spring positioning component comprises a spring and a steel ball.

The first splicing part and the second splicing part are spliced up and down, and the splicing surfaces of the first splicing part and the second splicing part can rotate relatively.

Compared with the prior art, the folding handlebar has the advantages that the occupied space can be remarkably reduced after the folding handlebar is folded, the structure is stable when the folding handlebar is unfolded, the handlebar is bidirectionally locked through the wrenches at the two sides, the problem of loosening of the folding handlebar during riding caused by misoperation is greatly reduced, the stability of the handlebar is improved, and the safety of the folding bicycle is greatly improved.

[ description of the drawings ]

FIG. 1 is a schematic structural view of a folding handlebar;

FIG. 2 is a schematic structural view of the first handle bar, the first splicing portion and the handle bar rotating shaft;

FIG. 3 is a schematic structural view of the second handle bar and the second splicing part;

FIG. 4 is a schematic view of the folding handlebar in a folded state;

figure 5 is a side view of the stacked handlebars,

in the drawing, 101, a first handle rod 102, a first adjustable wrench 103, a positioning groove 104, a handle rotating shaft 105, a first splicing part 106, a second handle rod 107, a second splicing part 108, a second clamping groove 109, an assembly groove 110, a shaft hole 111, a second adjustable wrench 112, a brake assembly 113, an instrument panel 114, a handle stem 115, a ball spring positioning assembly 116, a convex rib 117 and a handle connecting part are arranged.

[ detailed description of the invention ]

The invention is further described below with reference to examples and figures, which are only illustrative and not intended to limit the scope of the invention.

The folding handlebar structure in this embodiment is as follows:

as shown in fig. 1, the main structure includes a first handle bar, a second handle bar and a handle bar stem, wherein, as shown in fig. 2 and fig. 3, a first splicing portion is fixed at the tail end of the first handle bar, a second splicing portion is fixed at the tail end of the second handle bar, shaft holes are respectively arranged on the first splicing portion and the second splicing portion, the first splicing portion and the second splicing portion are spliced up and down, and the splicing surfaces of the first splicing portion and the second splicing portion can rotate relatively. First and second concatenation portion are spliced the back and are established on a handlebar pivot through the shaft hole cover, handlebar pivot top and bottom are provided with the handlebar clamp plate, first and second concatenation portion be restricted in the handlebar pivot between two handlebar clamp plates on, this is to the restriction that the handlebar moved in the axial, ensures that the handlebar can be stable in going. First and second concatenation portion can be opened and fold around the rotatory first, second barre that drives of handlebar pivot, in this embodiment, is 180 degrees after two barres are opened, forms the handlebar in the straight line, and in other circumstances, it also can rotate other angles, reduces the linear distance between the handlebar both ends, adapts to different ages's crowd. First concatenation portion is provided with a plurality of component grooves on the concatenation face, and the component inslot all sets up ball spring positioning assembly, and spring positioning assembly includes spring and steel ball, and this kind of ball spring positioning assembly can all be seen in many occasions, and this is clear to technical personnel in the field, in fig. 2, has revealed its major structure, and this structure is just for showing convenient showing in fig. 2, and it actually sets up in first concatenation portion, and its effect is to increase the damping and fix a position. The second splicing part is provided with positioning grooves matched with the ball spring positioning components at a plurality of positions on the splicing and stacking surface, the ball spring components are matched with the positioning grooves to ensure that the handle bars are fixed after being opened and closed, in the embodiment, the positioning can be carried out when the two handles are at 180 degrees or 0 degree, the side surface of the first splicing part is provided with a first clamping groove, the side surface of the second splicing part is provided with a second clamping groove, the first handle bar is provided with a first adjustable wrench, the second handle bar is provided with a second adjustable wrench, the first handle bar and the second handle bar are both provided with grooves for placing the adjustable wrenches, each adjustable wrench comprises a wrench piece, a support rod and a spring, the support rod is fixed in the grooves, the wrench pieces are movably connected with the support rod, the wrench pieces are lifted by taking the support rod as a fulcrum, the springs are connected between the tail parts of the wrench pieces and the bottoms of the grooves, and the wrench pieces can be always kept in a clamping state with the clamping grooves, not to loosen. After the first and second handles are opened, the end of the first adjustable wrench is clamped in the second clamping groove, the end of the second adjustable wrench is clamped in the first clamping groove, and slopes for guiding the ends of the wrenches to enter are arranged on the first and second clamping grooves. As shown in fig. 5.

The handlebar rotating shaft is connected with the handlebar vertical pipe through the handlebar connecting part. The tail ends of the first handle bar and the second handle bar are oppositely provided with jackscrews, when the first handle bar and the second handle bar are unfolded, the jackscrews of the two handle bars and the side edges of the first splicing part and the second splicing part form a groove, the handlebar connecting part is provided with a convex rib matched with the groove, the structure can enable the handlebar not to integrally move, and the jackscrews are respectively arranged above the left handlebar body and the right handlebar body and used for adjusting the gap of the handlebar caused by manufacturing tolerance.

The handle pressing plate is provided with a lighting assembly. The handlebar connecting part is provided with a hook. And the first handle bar and/or the second handle bar are/is provided with a brake component.

Handlebar spanner about both hands are pulled up, and handlebar can be rotated from top to bottom about this moment, when rotatory to the bottom, under the pressure of spring and pearl, can stop at flagging position. When the bicycle needs to be unfolded, the left handlebar and the right handlebar are lifted by two hands, and after the bicycle is rotated for a certain angle, the small wrench in the left handlebar and the right handlebar assembly can automatically fall into the grooves embedded with the metal sheets of the left handlebar body and the right handlebar body and return to the unfolded state.

Claims

1. A folding handlebar comprises a first handlebar and a second handlebar, and is characterized in that a first splicing part is fixed at the tail end of the first handlebar, a second splicing part is fixed at the tail end of the second handlebar, shaft holes are formed in the first splicing part and the second splicing part, the first splicing part and the second splicing part are sleeved on a handlebar rotating shaft through the shaft holes after being spliced, the first splicing part and the second splicing part can rotate around the handlebar rotating shaft to drive the first handlebar and the second handlebar to be opened and closed, a plurality of component grooves are formed in the splicing surface of the first splicing part, ball spring positioning components are arranged in the component grooves, positioning grooves matched with the ball spring positioning components are formed in a plurality of positions of the splicing surface of the second splicing part, the ball spring positioning components are matched with the positioning grooves to fix the handlebars after being opened and closed, a first clamping groove is formed in the side surface of the tail end of the first splicing part, a second clamping groove is formed in the side surface of the tail end of the second splicing part, a first adjustable wrench is arranged at the head end of the first splicing part on the first handle bar, a second adjustable wrench is arranged at the head end of the first splicing part on the second handle bar, after the first and second handle bars are opened, the end head of the first adjustable wrench is clamped in the second clamping groove, the end head of the second adjustable wrench is clamped in the first clamping groove, and slopes for guiding the end heads of the wrenches to enter are arranged on the first and second clamping grooves; the first handle rod and the second handle rod are both provided with grooves for placing the adjustable wrench, the adjustable wrench comprises a pulling piece, a supporting rod and a spring, the supporting rod is fixed in the grooves, the pulling piece is movably connected with the supporting rod, the pulling piece takes the supporting rod as a fulcrum to pull, and the spring is connected between the tail of the pulling piece and the bottom of the groove.

2. The folding handlebar as claimed in claim 1, wherein the top and bottom portions of the handlebar stem are provided with handlebar grips, and the first and second split portions are constrained to the handlebar stem between the two handlebar grips.

3. The folding handlebar of claim 2 wherein the handlebar grips have an illumination assembly disposed thereon.

4. The folding handlebar of claim 1 wherein the handlebar stem is connected to the stem by a handlebar attachment portion.

5. The foldable handlebar as claimed in claim 4, wherein the first and second bars have a top thread at the opposite end, and when the first and second bars are unfolded, the top threads of the two bars and the side edges of the first and second splicing parts form a groove, and the handlebar connecting part is provided with a rib engaged with the groove.

6. The folding handlebar as claimed in claim 4, wherein the handlebar attachment portion is provided with a hook.

7. The foldable handlebar of claim 1 wherein the first lever and/or the second lever is provided with a brake assembly.

8. The folding handlebar of claim 1 wherein the spring positioning assembly includes a spring and a steel ball.

9. The foldable handlebar as claimed in claim 1, wherein the first and second segments are joined together in an up-and-down manner, and the joining surfaces of the first and second segments are rotatable relative to each other.