CN213109667U - Folding handlebar - Google Patents

Abstract

The utility model discloses a folding handlebar hand, including upset folding device, folding device of withdrawing, the folding shell of upset, folding shell of withdrawing, folding connecting rod, the folding slider and the spacing fixture block of withdrawing of upset. The utility model belongs to the technical field of the bicycle accessory, specifically a folding handlebar hand has improved folding handlebar hand's work efficiency through setting up the fixed unit of direction, gear upset drive unit and the folding unit of upset, through setting up upset folding device, folding recovery device for convenient parking, the flexibility ratio is high, folding mode is simple and convenient, the high folding handlebar hand of security provides probably, has improved folding handlebar hand's use and has experienced, has reduced the cost that folding handlebar hand maintained. The service life of folding handlebar hand has been prolonged, has effectively solved folding handlebar hand inefficiency in the existing market, and self structure is complicated, maintains comparatively inconvenient problem.

Description

Folding handlebar

Technical Field

The utility model belongs to the technical field of the bicycle accessory, specifically indicate a folding handlebar hand.

Background

Bicycles, also known as bicycles or bicycles, are typically two-wheeled small land vehicles. After a person rides the vehicle, the person steps on the pedal as power, and the vehicle is a green and environment-friendly vehicle. In mainland china, taiwan, singapore, it is commonly referred to as a "bicycle" or "pedal"; it is commonly called "bicycle" in hong kong and australia, china (its cantonese is commonly called as such); and is called "self-carriage" in Japan. Can be used as an environment-friendly vehicle for riding instead of walking and going out; more and more people use bicycles as fitness equipment for riding exercise and bicycle touring. The existing folding bicycle handlebar has a complex structure and a plurality of components, and once misoperation occurs in the unfolding riding state, the handlebar is unbalanced, so that dangerous conditions are caused; the existing folding bicycle handle can not be completely folded and retracted, and the bicycle handle is usually the widest part in the whole bicycle, and can be clamped between adjacent parked bicycles due to the handle when being parked, so that the bicycle is inconvenient to take out and ride again, and is difficult to park in a small space, thereby limiting the flexibility of the bicycle; in addition, the folding mode of the existing folding bicycle handle is complicated.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a folding handlebar hand has improved folding handlebar hand's work efficiency, for convenient parking, the flexibility ratio is high, folding mode is simple and convenient, the high folding handlebar hand of security provides probably, has improved folding handlebar hand's use and has experienced, has reduced the cost that folding handlebar hand maintained. The service life of folding handlebar hand has been prolonged, has effectively solved folding handlebar hand inefficiency in the existing market, and self structure is complicated, maintains comparatively inconvenient problem.

The utility model adopts the following technical scheme: the utility model relates to a folding handlebar, which comprises a turning folding device, a folding withdrawing device, a turning folding shell, a folding withdrawing connecting rod, a turning folding slider and a limiting block, wherein the folding withdrawing shell is arranged on a plane with smooth surface, the folding withdrawing shell is a hollow shell, the turning folding shell is fixedly connected on the upper bottom wall of the folding withdrawing shell, the turning folding shell is a hollow shell, the folding withdrawing device is arranged in the folding withdrawing shell, the folding withdrawing connecting rod is arranged on the folding withdrawing device, the folding withdrawing connecting rod runs through the upper bottom wall of the turning folding shell, the turning folding slider is slidably embedded on the inner side wall of the turning folding shell, the turning folding slider is fixedly connected on the upper bottom wall of the folding withdrawing connecting rod, the turning folding device is arranged on the turning folding slider, and the limiting fixture block is fixedly connected to the outer side wall of the turnover folding shell.

Further, the turnover folding device comprises a guiding and fixing unit, a gear turnover driving unit and a turnover folding unit, the guide fixing unit is arranged on the turnover folding slide block, the gear turnover driving unit is arranged on the guide fixing unit, the overturning and folding unit is arranged on the gear overturning and driving unit and comprises a handle body, an overturning connecting rod, a handle overturning groove and a connecting rod overturning shaft, the connecting rod overturning shaft is rotatably arranged on the outer side wall of the overturning and folding sliding block, the handle body penetrates through and is fixedly connected with two sides of the connecting rod overturning shaft, the handle body is provided with two groups, the turning connecting rods penetrate through and are fixedly connected with two sides of the connecting rod turning shaft, the handle body is provided with a handle overturning groove, the handle overturning groove is arranged on the handle overturning folding shell in a penetrating mode, and the handle body is arranged in the handle overturning groove in a rotating mode.

Further, the fixed unit of direction is including upset gib block, gib block fixed block, limit baffle, direction dogtooth, direction disc and direction sand grip, gib block fixed block rigid coupling is on the lateral wall of the folding slider of upset, upset gib block rigid coupling is on the gib block fixed block, the cross-section of upset gib block is ring shape, the direction dogtooth is around locating on the inside wall of upset gib block, the limit baffle rigid coupling is on the inside wall of upset gib block, the outside of direction dogtooth is located to limit baffle, the direction disc runs through and locates on the connecting rod trip shaft, the direction disc is located between the handle body, the direction sand grip is around locating on the lateral wall of direction disc.

Further, gear upset drive unit includes upset drive gear, upset gear pivot, upset driving motor and gear groove, upset drive gear locates between upset gib block and the direction disc, the gear groove is the annular and locates on the upset drive gear, upset drive gear locates on the direction sand grip through the gomphosis of gear groove slip, upset drive gear meshing is connected on the direction convex tooth, the rigid coupling is run through in upset drive gear's center in the upset gear pivot, the tip of upset connecting rod is located in the rotation through the upset gear pivot, upset driving motor locates in the upset gear pivot, the outside of upset connecting rod is located to upset driving motor.

Further, the lower bottom wall of the handle body is in contact with the upper bottom wall of the limiting clamping block.

Further, the folding withdrawing device comprises a screw driving unit, a folding withdrawing driving gear, a folding withdrawing driven gear, a bearing seat I, a bearing body I, a bearing seat II, a bearing body II, a folding withdrawing driving wheel shaft, a folding withdrawing driven wheel shaft and a hand-operated turntable, wherein the bearing seat I is fixedly connected to the upper bottom wall in the folding withdrawing shell, the bearing body I is rotatably arranged in the bearing seat I in a clamping manner, the folding withdrawing driven wheel shaft is arranged on the bearing body I, the folding withdrawing driven gear penetrates through and is fixedly connected to the folding withdrawing driven wheel shaft, the screw driving unit is arranged on the upper bottom wall of the folding withdrawing driven wheel shaft, the bearing seat II is fixedly connected to the outer side wall of the folding withdrawing shell, the bearing body II is rotatably arranged in the bearing seat II in a clamping manner, and the folding withdrawing driving wheel shaft penetrates through the folding withdrawing shell and is arranged on, the hand-operated turntable is arranged on a folding withdrawing driving wheel shaft, the folding withdrawing driving gear penetrates through the folding withdrawing driving wheel shaft and is fixedly connected with the folding withdrawing driving wheel shaft, and the folding withdrawing driving gear and the folding withdrawing driven gear are in meshed connection.

Furthermore, the screw driving unit comprises a ball screw, a screw guide rail and a screw nut, the ball screw is arranged on the upper bottom wall of the foldable withdrawing driven wheel shaft, the screw guide rail is arranged on the ball screw, the screw nut is arranged on the ball screw and the screw guide rail in a sliding manner, the screw nut and the ball screw are mechanically connected, and the foldable withdrawing connecting rod is fixedly connected to the outer side wall of the screw nut.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: this scheme folding handlebar hand has improved folding handlebar hand's work efficiency through setting up fixed unit of direction, gear upset drive unit and the folding unit of upset, through setting up upset folding device, folding receipts device and for conveniently parking, the flexibility ratio is high, folding mode is simple and convenient, the high folding handlebar hand of security provides probably, has improved folding handlebar hand's use and has experienced, has reduced the cost that folding handlebar hand maintained. The service life of folding handlebar hand has been prolonged, has effectively solved folding handlebar hand inefficiency in the existing market, and self structure is complicated, maintains comparatively inconvenient problem.

Drawings

FIG. 1 is a front view of the foldable handlebar of the present invention;

FIG. 2 is a cross-sectional view of the foldable handlebar of the present invention;

FIG. 3 is a front view of the turning and folding device of the foldable handlebar of the present invention;

fig. 4 is a partially enlarged view of a portion a of fig. 2;

fig. 5 is a left side view of the turnover driving gear of the folding handlebar of the present invention.

The foldable folding device comprises a folding recovery device 1, a turnover folding device 2, a folding recovery device 3, a turnover folding shell 4, a folding recovery shell 5, a folding recovery connecting rod 6, a turnover folding slider 7, a limiting clamping block 8, a guiding fixing unit 9, a gear turnover driving unit 10, a turnover folding unit 11, a handle body 12, a turnover connecting rod 13, a handle turnover groove 14, a connecting rod turnover shaft 15, a turnover guiding strip 16, a guiding strip fixing block 17, a limiting baffle 18, a guiding convex tooth 19, a guiding disc 20, a guiding convex strip 21, a turnover driving gear 22, a turnover gear rotating shaft 23, a turnover driving motor 24, a gear groove 25, a lead screw driving unit 26, a folding recovery driving gear 27, a folding recovery driven gear 28, a bearing seat I29, a bearing seat I, a bearing seat II 31, a bearing seat II, a bearing seat, The bearing body II, 32, a folding withdrawing driving wheel shaft, 33, a folding withdrawing driven wheel shaft, 34, a hand-operated turntable, 35, a ball screw, 36, a screw guide rail, 37 and a screw nut.

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-5, the foldable handlebar of the present invention comprises an overturning folding device 1, a folding retrieving device 2, an overturning folding shell 3, a folding retrieving shell 4, a folding retrieving connecting rod 5, an overturning folding slider 6 and a limiting block 7, wherein the folding retrieving shell 4 is disposed on a plane with a smooth surface, the folding retrieving shell 4 is a hollow shell, the overturning folding shell 3 is fixedly connected to the upper bottom wall of the folding retrieving shell 4, the overturning folding shell 3 is a hollow shell, the folding retrieving device 2 is disposed in the folding retrieving shell 4, the folding retrieving connecting rod 5 is disposed on the folding retrieving device 2, the folding retrieving connecting rod 5 penetrates through the upper bottom wall of the overturning folding shell 3, the overturning folding slider 6 is slidably embedded on the inner side wall of the overturning folding shell 3, the overturning folding slider 6 is fixedly connected to the upper bottom wall of the folding connecting rod 5, the overturning and folding device 1 is arranged on an overturning and folding sliding block 6, and the limiting clamping block 7 is fixedly connected to the outer side wall of the overturning and folding shell 3.

The overturning and folding device 1 comprises a guide fixing unit 8, a gear overturning driving unit 9 and an overturning and folding unit 10, wherein the guide fixing unit 8 is arranged on an overturning and folding slider 6, the gear overturning driving unit 9 is arranged on the guide fixing unit 8, the overturning and folding unit 10 is arranged on the gear overturning driving unit 9, the overturning and folding unit 10 comprises a handle body 11, an overturning connecting rod 12, a handle overturning groove 13 and a connecting rod overturning shaft 14, the connecting rod overturning shaft 14 is rotatably arranged on the outer side wall of the overturning and folding slider 6, the handle body 11 penetrates through two sides fixedly connected on the connecting rod overturning shaft 14, the handle body 11 is provided with two groups, the overturning connecting rod 12 penetrates through two sides fixedly connected on the connecting rod overturning shaft 14, the overturning connecting rod 12 is arranged on the outer side of the handle body 11, the handle overturning groove 13 penetrates through the overturning and folding shell 3, the handle body 11 is rotatably arranged in the handle overturning groove 13.

The fixed unit 8 of direction is including upset gib block 15, gib block fixed block 16, limit baffle 17, direction dogtooth 18, direction disc 19 and direction sand grip 20, 16 rigid couplings of gib block fixed block are on the lateral wall of the folding slider 6 of upset, 15 rigid couplings of upset gib block are on gib block fixed block 16, the cross-section of upset gib block 15 is ring shape, direction dogtooth 18 encircles on locating the inside wall of upset gib block 15, limit baffle 17 rigid coupling is on the inside wall of upset gib block 15, limit baffle 17 locates the outside of direction dogtooth 18, direction disc 19 runs through on locating connecting rod trip shaft 14, direction disc 19 is located between the handle body 11, direction sand grip 20 encircles on locating the lateral wall of direction disc 19.

Gear upset drive unit 9 includes upset drive gear 21, upset gear pivot 22, upset driving motor 23 and gear groove 24, upset drive gear 21 is located between upset gib block 15 and direction disc 19, gear groove 24 is the annular and locates on upset drive gear 21, upset drive gear 21 passes through gear groove 24 slip gomphosis and locates on the direction sand grip 20, upset drive gear 21 meshes and connects on direction convex tooth 18, upset gear pivot 22 runs through the rigid coupling in the center of upset drive gear 21, upset gear pivot 22 runs through the tip of rotating and locating upset connecting rod 12, upset driving motor 23 is located on upset gear pivot 22, upset driving motor 23 locates the outside of upset connecting rod 12.

The lower bottom wall of the handle body 11 is contacted with the upper bottom wall of the limiting clamping block 7.

The folding withdrawing device 2 comprises a screw driving unit 25, a folding withdrawing driving gear 26, a folding withdrawing driven gear 27, a bearing seat I28, a bearing body I29, a bearing seat II 30, a bearing body II 31, a folding withdrawing driving wheel shaft 32, a folding withdrawing driven wheel shaft 33 and a hand-operated turntable 34, wherein the bearing seat I28 is fixedly connected to the upper bottom wall in the folding withdrawing shell 4, the bearing body I29 is clamped and rotatably arranged in the bearing seat I28, the folding withdrawing driven wheel shaft 33 is arranged on the bearing body I29, the folding withdrawing driven gear 27 is fixedly connected to the folding withdrawing driven wheel shaft 33 in a penetrating manner, the screw driving unit 25 is arranged on the upper bottom wall of the folding withdrawing driven wheel shaft 33, the bearing seat II 30 is fixedly connected to the outer side wall of the folding withdrawing shell 4, the bearing body II 31 is clamped and rotatably arranged in the bearing seat II 30, and the folding withdrawing driving wheel shaft 32 is arranged on the folding withdrawing shell 4 and arranged on the bearing, the hand-operated rotary disc 34 is arranged on the folding and withdrawing driving wheel shaft 32, the folding and withdrawing driving gear 26 is fixedly connected on the folding and withdrawing driving wheel shaft 32 in a penetrating way, and the folding and withdrawing driving gear 26 is in meshed connection with the folding and withdrawing driven gear 27.

The screw driving unit 25 comprises a ball screw 35, a screw guide rail 36 and a screw nut 37, the ball screw 35 is arranged on the upper bottom wall of the folding driven wheel shaft 33, the screw guide rail 36 is arranged on the ball screw 35, the screw nut 37 is arranged on the ball screw 35 and the screw guide rail 36 in a sliding manner, the screw nut 37 is mechanically connected with the ball screw 35, and the folding retracting connecting rod 5 is fixedly connected to the outer side wall of the screw nut 37.

When the folding and withdrawing device is used specifically, a user starts the overturning driving motor 23, then the overturning driving gear 21 rotates along with the overturning driving motor, so that the overturning driving gear 21 moves between the overturning guide strip 15 and the guide disc 19 along the guide convex teeth 18 and the guide convex strips 20, then the overturning connecting rod 12 is driven to rotate along the connecting rod overturning shaft 14 along with the rotation of the overturning driving gear 21, then the connecting rod overturning shaft 14 is driven to rotate, then the handle body 11 rotates along with the connecting rod overturning shaft 14, then the handle body 11 passes through the handle overturning groove 13, slowly rotates from the horizontal position to the vertical position, at the moment, the overturning driving motor 23 is stopped, then the handle body 11 is positioned and is in the vertical state, at the moment, the hand-operated turntable 34 is held by a hand and shaken, then the folding and withdrawing driving wheel shaft 32 is driven to rotate, so that the folding and, then fold and withdraw driven wheel axle 33 and rotate, drive ball 35 and rotate, then screw nut 37 moves down along ball 35 and lead screw guide rail 36, withdraw connecting rod 5 through folding and drive the folding slider 6 of upset along the folding shell 3 lapse of upset, then handle body 11 synchronous downstream moves gradually to in the folding shell 3 of upset, make handle body 11 fold to in the folding shell 3 of upset, the volume that occupies of handle body 11 has been reduced greatly, improved and be furnished with the utility model discloses the flexibility of folding handlebar's bicycle, during normal use, spacing fixture block 7 withstands handle body 11, provide the supporting effect, but both are not the rigid coupling, and spacing baffle 17 provides spacing effect for upset drive gear 21, above just the utility model discloses holistic work flow, repeat this step when using next time can.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims (7)

1. A folding handlebar characterized in that: comprises a turnover folding device, a folding withdrawing device, a turnover folding shell, a folding withdrawing connecting rod, a turnover folding sliding block and a limiting clamping block, the folding and withdrawing shell is arranged on a plane with a smooth surface, the folding and withdrawing shell is a hollow shell, the turnover folding shell is fixedly connected to the upper bottom wall of the folding withdrawing shell, the turnover folding shell is a hollow shell, the folding and withdrawing device is arranged in the folding and withdrawing shell, the folding and withdrawing connecting rod is arranged on the folding and withdrawing device, the folding and withdrawing connecting rod penetrates through the upper bottom wall of the turnover folding shell, the turnover folding sliding block is embedded on the inner side wall of the turnover folding shell in a sliding way, the turnover folding sliding block is fixedly connected to the upper bottom wall of the folding withdrawing connecting rod, the turnover folding device is arranged on the turnover folding sliding block, and the limiting clamping block is fixedly connected to the outer side wall of the turnover folding shell.

2. A folding handlebar as claimed in claim 1, wherein: the turnover folding device comprises a guide fixing unit, a gear turnover driving unit and a turnover folding unit, the guide fixing unit is arranged on the turnover folding slide block, the gear turnover driving unit is arranged on the guide fixing unit, the overturning and folding unit is arranged on the gear overturning and driving unit and comprises a handle body, an overturning connecting rod, a handle overturning groove and a connecting rod overturning shaft, the connecting rod overturning shaft is rotatably arranged on the outer side wall of the overturning and folding sliding block, the handle body penetrates through and is fixedly connected with two sides of the connecting rod overturning shaft, the handle body is provided with two groups, the turning connecting rods penetrate through and are fixedly connected with two sides of the connecting rod turning shaft, the handle body is provided with a handle overturning groove, the handle overturning groove is arranged on the handle overturning folding shell in a penetrating mode, and the handle body is arranged in the handle overturning groove in a rotating mode.

3. A folding handlebar as claimed in claim 2, wherein: the fixed unit of direction is including upset gib block, gib block fixed block, limit baffle, direction dogtooth, direction disc and direction sand grip, gib block fixed block rigid coupling is on the lateral wall of the folding slider of upset, upset gib block rigid coupling is on the gib block fixed block, the cross-section of upset gib block is ring shape, the direction dogtooth encircles on locating the inside wall of upset gib block, the limit baffle rigid coupling is on the inside wall of upset gib block, limit baffle locates the outside of direction dogtooth, the direction disc runs through and locates on the connecting rod trip shaft, the direction disc is located between the handle body, the direction sand grip encircles on locating the lateral wall of direction disc.

4. A folding handlebar as claimed in claim 3, wherein: the gear upset drive unit includes upset drive gear, upset gear pivot, upset driving motor and gear groove, upset drive gear locates between upset gib block and the direction disc, the gear groove is the annular and locates on the upset drive gear, upset drive gear locates on the direction sand grip through the gomphosis of gear groove slip, upset drive gear meshing is connected on the direction convex tooth, the centre of rigid coupling in upset drive gear is run through in the upset gear pivot, the tip of locating the upset connecting rod is run through in the upset gear pivot to the upset driving motor, upset driving motor locates in the upset gear pivot, the outside of upset connecting rod is located to upset driving motor.

5. The folding handlebar of claim 4, wherein: the lower bottom wall of the handle body is in mutual contact with the upper bottom wall of the limiting clamping block.

6. A folding handlebar as claimed in claim 5, in which: the folding withdrawing device comprises a screw rod driving unit, a folding withdrawing driving gear, a folding withdrawing driven gear, a bearing seat I, a bearing body I, a bearing seat II, a bearing body II, a folding withdrawing driving wheel shaft, a folding withdrawing driven wheel shaft and a hand-operated turntable, wherein the bearing seat I is fixedly connected to the upper bottom wall in the folding withdrawing shell, the bearing body I is rotatably arranged in the bearing seat I in a clamping way, the folding withdrawing driven wheel shaft is arranged on the bearing body I, the folding withdrawing driven gear penetrates through and is fixedly connected to the folding withdrawing driven wheel shaft, the screw rod driving unit is arranged on the upper bottom wall of the folding withdrawing driven wheel shaft, the bearing seat II is fixedly connected to the outer side wall of the folding withdrawing shell, the bearing body II is rotatably arranged in the bearing seat II in a clamping way, and the folding withdrawing driving wheel shaft penetrates through the folding withdrawing shell, the hand-operated turntable is arranged on a folding withdrawing driving wheel shaft, the folding withdrawing driving gear penetrates through the folding withdrawing driving wheel shaft and is fixedly connected with the folding withdrawing driving wheel shaft, and the folding withdrawing driving gear and the folding withdrawing driven gear are in meshed connection.

7. The folding handlebar of claim 6, wherein: the lead screw drive unit comprises a ball screw, a lead screw guide rail and a lead screw nut, the ball screw is arranged on the upper bottom wall of the foldable withdrawing driven wheel shaft, the lead screw guide rail is arranged on the ball screw, the lead screw nut is arranged on the ball screw and the lead screw guide rail in a sliding mode, the lead screw nut and the ball screw are mechanically connected, and the foldable withdrawing connecting rod is fixedly connected to the outer side wall of the lead screw nut.

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