Folding structure for bicycle handlebar

文档序号:1262471 发布日期:2020-08-25 浏览:20次 中文

阅读说明:本技术 自行车手把折合结构 (Folding structure for bicycle handlebar ) 是由 程宝贤 于 2019-02-15 设计创作,主要内容包括:本发明有关于一种自行车手把折合结构,包括相互接合的上管体、下管体以及锁定上、下管体接合状态的第一锁定机构、第二锁定机构;上管体具有朝下的开口,上管体下端设上座体,下管体顶端设有凸出的轴柱,能对应由上管体的开口穿入上管体内,下管体上端设下座体,上、下座体之间在相对应的两边分别设第一锁定机构、第二锁定机构,第一锁定机构为由下座体向上座体扣合锁定,第二锁定机构则在穿过上座体的导柱上枢设抵压杆,并使抵压杆下端抵顶上座体;折合手把时,先解除第一锁定机构扣合上、下座体的一边以及抵压杆抵顶上座体的状态,便能使上管体沿着导柱向上拉升至下管体的轴柱脱离上管体的套合后,上管体便能以导柱与下座体轴设处为轴向下收折。(The invention relates to a bicycle handlebar folding structure, which comprises an upper pipe body, a lower pipe body, a first locking mechanism and a second locking mechanism, wherein the upper pipe body and the lower pipe body are mutually jointed; the upper pipe body is provided with a downward opening, the lower end of the upper pipe body is provided with an upper seat body, the top end of the lower pipe body is provided with a protruded shaft post which can correspondingly penetrate into the upper pipe body from the opening of the upper pipe body, the upper end of the lower pipe body is provided with a lower seat body, a first locking mechanism and a second locking mechanism are respectively arranged on two corresponding sides between the upper seat body and the lower seat body, the first locking mechanism is buckled and locked on the upper seat body from the lower seat body, the second locking mechanism is pivoted with a pressing rod on the guide post penetrating through the upper seat body, and the lower end of the pressing rod is pressed against the upper; when the handle is folded, the state that the first locking mechanism is buckled on one side of the upper seat body and one side of the lower seat body and the abutting rod abuts against the upper seat body is firstly released, so that the upper tube body can be upwards pulled along the guide post until the shaft post of the lower tube body is separated from the sleeving of the upper tube body, and the upper tube body can be folded downwards by taking the axial arrangement position of the guide post and the shaft of the lower seat body as the axial direction.)

1. A bicycle handlebar folding structure is characterized by comprising an upper pipe body, a lower pipe body, a first locking mechanism and a second locking mechanism; the upper pipe body is provided with a downward opening, and the lower end of the upper pipe body is provided with an upper seat body; the upper end of the lower pipe body is provided with a lower seat body, the top end of the lower pipe body is provided with a protruding shaft post, and the shaft post can penetrate into the upper pipe body correspondingly from an opening of the upper pipe body so as to enable the upper pipe body to be jointed with the lower pipe body; the first locking mechanism and the second locking mechanism are respectively arranged on one side of the joint between the upper seat body and the lower seat body and the other side corresponding to the one side, and are used for locking the joint state between the upper pipe body and the lower pipe body; the second locking mechanism comprises a guide pillar, a penetrating ring and a pressing rod, the lower end of the guide pillar is pivoted with the lower seat body, the penetrating ring is connected with the upper seat body, the guide pillar penetrates through the penetrating ring, the upper end of the pressing rod is pivoted with the upper end of the guide pillar, the lower end of the pressing rod forms a pressing part, and the pressing part can press against the ring surface of the penetrating ring.

2. The bicycle handlebar folding structure as claimed in claim 1, wherein the first locking mechanism comprises a fastener and a resilient piece; the fastener is provided with two side walls and a transverse section connected with the two side walls, the two side walls of the fastener are pivoted on the pivot lug of the lower seat body, a screwing piece is screwed on the transverse section, and the tip of the screwing piece protrudes out of the bottom surface of the transverse section; the elastic sheet is fixed on the upper seat body, and the tip of the screwing piece tightly abuts against the surface of the elastic sheet, so that the fastener is in a lock catch fixing state.

3. The folding structure of bicycle handlebar as claimed in claim 2, wherein a through-going ring is sleeved in the through-going ring, the through-going ring is a sleeve body with a through-hole in the middle, the top surface of the through-going ring has an annular surface for the top of the top support part, a sleeving section is formed on the through-going ring and extends downwards along the circumference of the through-hole, the sleeving section passes through the through-going ring, a hook part is arranged at the end of the sleeving section, and the hook part is hooked on the circumference of the through-going ring to fix the through-going ring on the through-going ring.

4. The folding structure of bicycle handlebar as claimed in claim 3, wherein the top end of the guide post has a screw hole with an upward opening, a locking member passing through a spacer is locked in the screw hole, and the top end of the pressing rod is pivoted to the spacer.

5. The folding structure of bicycle handlebar as claimed in claim 1, wherein a through-going ring is sleeved in the through-going ring, the through-going ring is a sleeve body with a through-hole in the middle, the top surface of the through-going ring has an annular surface for the top of the top support part, a sleeving section is formed on the through-going ring and extends downwards along the circumference of the through-hole, the sleeving section passes through the through-going ring, a hook part is arranged at the end of the sleeving section, and the hook part is hooked on the circumference of the through-going ring to fix the through-going ring on the through-going ring.

6. The folding structure of bicycle handlebar as claimed in claim 5, wherein the top end of the guide post has a screw hole with an upward opening, a locking member passing through a spacer is locked into the screw hole, and the top end of the pressing rod is pivoted to the spacer.

7. The folding structure of bicycle handlebar as claimed in claim 1, wherein the top end of the guide post has a screw hole with an upward opening, a locking member passing through a spacer is locked into the screw hole, and the top end of the pressing rod is pivoted to the spacer.

8. The folding structure of bicycle handlebar as claimed in claim 2, wherein the top end of the guide post has a screw hole with an upward opening, a locking member passing through a spacer is locked into the screw hole, and the top end of the pressing rod is pivoted to the spacer.

Technical Field

The present invention relates to a handlebar folding structure, and more particularly, to a handlebar folding structure for a bicycle.

Background

To facilitate storage or transportation of the bicycle, the foldable bicycle is usually designed to minimize the volume of the bicycle after being folded, and the foldable bicycle does not occupy storage space. Basically, in addition to the bicycle frame being collapsible, the handlebar is designed to be collapsible for storage and storage in a reduced size.

Meanwhile, in order to achieve the rapid and simple folding and unfolding operation of the handle, one side of the upper tube body and one side of the lower tube body which form the handle are mutually pivoted by a pivot lug, the other side of the upper tube body and the lower tube body are fixed in the unfolding state of the joint by locking and positioning of the locking and fixing piece, so that a user can ride and control the direction, and when the handle is folded, the upper tube body can be folded downwards by unlocking the locking and fixing piece by taking the pivoting position of the pivot lug at one side of the upper tube body and one side of the lower tube body as an axis, so that the purpose of quickly.

However, the load applied to the handle during use of the folding structure is concentrated at the pivot ears, which causes deformation of the pivot ears and affects the durability of the folding structure.

Now, the present inventors have developed the present invention in view of the disadvantages of the conventional bicycle handlebars in practical implementation.

Disclosure of Invention

The invention aims to provide a folding structure of a bicycle handlebar, which can achieve the purpose of reducing the occupied volume of the folded bicycle through the folding structure, and further improve the structural strength of the folding part of the handlebar, so that the handlebar is firmer and more durable.

The folding structure of the bicycle handlebar is achieved by the following specific technical means:

a bicycle handlebar folding structure comprises an upper pipe body, a lower pipe body, a first locking mechanism and a second locking mechanism; the upper tube body is provided with a downward opening, and the lower end of the upper tube body is provided with an upper seat body; the upper end of the lower pipe body is provided with a lower seat body, the top end of the lower pipe body is provided with a protruded shaft post, and the shaft post can correspondingly penetrate into the upper pipe body from the opening of the upper pipe body so as to enable the upper pipe body to be jointed with the lower pipe body; the first locking mechanism and the second locking mechanism are respectively arranged on one side of the joint between the upper seat body and the lower seat body and the other side corresponding to the one side, and are used for locking the joint state between the upper seat body and the lower seat body; the second locking mechanism comprises a guide pillar, a penetrating ring and a pressing rod, the lower end of the guide pillar is pivoted with the lower seat body, the penetrating ring is connected with the upper seat body, the guide pillar penetrates through the penetrating ring, the upper end of the pressing rod is pivoted with the upper end of the guide pillar, the lower end of the pressing rod forms a pressing part, and the pressing part can press against the ring surface of the penetrating ring.

The folding structure of the bicycle handlebar, wherein the first locking mechanism comprises a fastener and a spring plate; the fastener is provided with two side walls and a transverse section connected with the two side walls, so that the fastener is in an inverted U-shaped body, the two side walls of the fastener are pivoted on the pivot lug of the lower seat body, a screwing piece is screwed on the transverse section, and the tip of the screwing piece protrudes out of the bottom surface of the transverse section; the spring plate is fixed on the upper seat body, and the tip of the screwing piece is tightly propped against the surface of the spring plate, so that the fastener is in a locking and fixing state.

The folding structure of the bicycle handlebar comprises a through ring sleeved in the through ring, a sleeve body with a through hole in the middle, a ring surface abutting against the top of the through ring, a sleeving section formed by downward extension of the through ring along the periphery of the through hole, a hook part passing through the through ring, and a periphery of the through ring and fixed on the through ring.

The folding structure of the bicycle handlebar comprises a guide post, a gasket, a locking piece, a pressing rod and a bolt, wherein the guide post is provided with a screw hole with an upward opening at the top end, the locking piece penetrates through the gasket and then is locked in the screw hole, and the top end of the pressing rod is pivoted with the gasket.

The invention has the beneficial effects that:

the handlebar of the invention is designed to be foldable, so that the volume of the bicycle is minimized after being folded, the purposes of reducing the size and occupying no storage space during storage and storage are realized, the structural strength of the folded part of the handlebar is further improved, and the handlebar is firmer and more durable.

Drawings

The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:

FIG. 1 is an exploded perspective view of the handlebar folding structure of the bicycle of the present invention;

FIG. 2 is a perspective assembly view of the folding structure of the bicycle handlebar in accordance with the present invention;

FIG. 3 is an assembled side elevational view of the bicycle handlebar folding structure of the present invention;

FIG. 4 is a side cross-sectional view of the bicycle handlebar folding structure of the present invention;

FIG. 5 is a schematic view of the handlebar folding structure of the bicycle in accordance with the present invention, as applied to a bicycle, in an unfolded use state;

FIG. 6 is a schematic view showing the folding structure of the bicycle handlebar in accordance with the present invention;

fig. 7 is a schematic view (two) of the folding structure of the bicycle handlebar of the present invention;

fig. 8 is a schematic view of the folding structure of the bicycle handlebar in the folded and stored state. The reference numbers illustrate:

1. a pipe body is arranged;

11. an opening;

12. an upper base body;

2. a lower pipe body;

21. a lower seat body;

211. a pivot lug;

22. a column shaft;

3. a first locking mechanism;

31. a fastener;

311. a side wall;

312. a transverse segment;

313. a screwing piece;

32. a spring plate;

4. a second locking mechanism;

41. a guide post;

411. a screw hole;

42. a ring is arranged in a penetrating way;

43. a pressing rod;

431. a butting part;

44. a lantern ring is arranged in a penetrating way;

441. perforating;

442. an annulus;

443. a sleeving section;

444. a hook portion;

45. a locking member;

46. and (7) a gasket.

Detailed Description

In order to more fully and clearly disclose the technical content and objects of the present invention and the efficacy achieved thereby, reference is now made to the following detailed description, taken in conjunction with the accompanying drawings and in which:

please refer to fig. 1-4.

The invention discloses a bicycle handlebar folding structure, which comprises an upper pipe body 1, a lower pipe body 2, a first locking mechanism 3 and a second locking mechanism 4; wherein:

the upper tube body 1 is provided with a downward opening 11, and the lower end of the upper tube body 1 is provided with an upper seat body 12;

the upper end of the lower pipe body 2 is provided with a lower seat body 21, the top end of the lower pipe body 2 is provided with a protruded shaft column 22, and the shaft column 22 can correspondingly penetrate through the opening 11 of the upper pipe body 1;

the first locking mechanism 3 is arranged at one side of the connecting part between the upper seat body 12 and the lower seat body 21 and can be used for locking the joint state of one side of the upper pipe body 1 and one side of the lower pipe body 2;

the second locking mechanism 4 is arranged at the other side of the connecting part between the upper seat body 12 and the lower seat body 21, corresponds to the first locking mechanism 3 and is used for locking the joint state of the other sides of the upper pipe body 1 and the lower pipe body 2; the second locking mechanism 4 includes a guide post 41, a through ring 42 and a pressing rod 43, the lower end of the guide post 41 is pivoted to the lower seat 21, the through ring 42 is connected to the upper seat 12, the through ring 42 is penetrated by the guide post 41, the upper end of the pressing rod 43 is pivoted to the upper end of the guide post 41, and the lower end of the pressing rod 43 forms an annular surface where the pressing part 431 can press against the through ring 42.

Please refer to fig. 2-5. Accordingly, the axle column 22 of the lower tube 2 is inserted into the opening 11 of the upper tube 1, and the first locking mechanism 3 locks one side of the upper seat 12 and one side of the lower seat 21, and meanwhile, the second locking mechanism 4 locks the other side of the upper seat 12 and the lower seat 21 by using the abutting portion 431 of the lower end of the abutting rod 43 to abut against the annular surface of the penetrating ring 42, so as to achieve the purpose of stably joining the upper tube 1 and the lower tube 2 of the handle. In this state, the load applied to the handle during use is transmitted to the central upper seat 12 and the lower seat 21, and the upper tube 1 and the lower tube 2, and the first locking mechanism 3 and the second locking mechanism 4 on both sides are no longer the main stressed components, so that the folding structure of the handle of the present invention is more sturdy and durable.

Please refer to fig. 6-8. If the handle is to be folded, the state of locking one side of the upper seat 12 and the lower seat 21 by the first locking mechanism 3 needs to be released, and then the pressing rod 43 is pulled to disengage the top 431 at the lower end of the pressing rod 43 from the ring surface of the pressing ring 42, so that the upper tube 1 can be pulled upward by the design of the guide post 41 and the upper tube 1 penetrated by the shaft post 22 through the penetrating ring 42, and the user can fold the upper tube 1 with the pivot joint of the guide post 41 and the lower seat 21 as the axis after the shaft post 22 of the lower tube 2 is disengaged from the upper tube 1, thereby completing the operation of folding the handle.

Please refer to fig. 1, 2 and 4. In the preferred embodiment of the folding structure of bicycle handlebar of the present invention, the first locking mechanism 3 comprises a fastener 31 and a spring plate 32; the fastener 31 has two side walls 311 and a transverse section 312 connecting the two side walls 311, so that the fastener 31 is in a shape of inverted U, the fastener 31 is pivoted on the pivot lug 211 of the lower seat body 21 by the two side walls 311, a screw member 313 is screwed on the transverse section 312, and the tip of the screw member 313 protrudes out of the bottom surface of the transverse section 312; the elastic sheet 32 is fixed to the upper base 12 at its two ends, so that the top surface of the elastic sheet 32 is convex and elastic, and when the upper plate fastener 31 makes the tip of the screw member 313 abut against the surface of the elastic sheet 32, the fastener 31 can be used to lock and fix one side of the upper tube 1 and one side of the lower tube 2.

Please refer to fig. 1 and 4. In the preferred embodiment of the folding structure of the bicycle handlebar of the present invention, the through-going ring 42 is further sleeved with a through-going collar 44, the through-going collar 44 is a sleeve body having a through hole 441 in the middle, the top surface of the through-going collar 44 has an annular surface 442 for pushing against the top portion 431 of the pressing rod 43, the through-going collar 44 is formed with a sheathing section 443 extending downward along the periphery of the through hole 441, the end of the sheathing section 443 is provided with a hook portion 444, and after the sheathing section 443 penetrates through the through-going ring 42, the periphery of the through-going ring 42 is hooked by the hook portion to fix the through-going collar 44 on the through-going ring 42.

Please refer to fig. 1 and 4. In the preferred embodiment of the folding structure of the bicycle handlebar of the present invention, the top end of the guide post 41 has a screw hole 411 with an upward opening, a locking member 45 passes through a gasket 46 and then is locked into the screw hole 411, and the top end of the pressing rod 43 is pivoted to the gasket 46, so that the assembling of the pressing rod 43 is easier due to the structural design.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the invention should fall within the protection scope of the invention.

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