CN210503037U

CN210503037U - Hook type front fork and handlebar stem quick assembling and disassembling bicycle structure

Info

Publication number: CN210503037U
Application number: CN201921505394.0U
Authority: CN
Inventors: 陈英杰; 邢燕铭
Original assignee: Tianjin Fuji Ta Bicycle Co ltd
Current assignee: Tianjin Fujita Bicycle Industry Co ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-05-12
Anticipated expiration: 2029-09-11

Abstract

The utility model relates to a handlebar discloses a couple formula front fork and upright quick assembly disassembly's bicycle structure, including standing, be equipped with frame head pipe and bowl group to standing lower part, be equipped with the front fork to standing the lower end, be equipped with the double-screw bolt on standing upper portion, double-screw bolt threaded connection nut, the front fork upper portion is equipped with front fork riser round pin axle, and front fork riser round pin axle joint is located the draw-in groove of standing the bottom, be equipped with handlebar round pin shaft hole to standing upper portion, handlebar round pin shaft hole through connection round pin axle, the couple through-hole of round pin rotation hookup upper end, the upper portion of couple is equipped with the button, couple lower part sliding connection sets up in the guide way at holder middle part, and the holder left side is equipped with the holder. The utility model is suitable for a couple formula front fork and in standing quick assembly disassembly's bicycle structure, through setting up the couple, will be connected standing with the front fork, whole firm in connection has prevented that the screens is not hard up, has eliminated the beating of warp direction, and whole device easy operation dismantles the convenience, suitable using widely.

Description

Hook type front fork and handlebar stem quick assembling and disassembling bicycle structure

Technical Field

The utility model relates to a handlebar, specifically a couple formula front fork and upright quick assembly disassembly's bicycle structure.

Background

Traditional bicycle front fork links to each other with the frame through screw thread pressure bearing bowl group, and the handlebar passes through screw rod sloping block or screw compress tightly fixed with the front fork, and the dismouting all needs specialized tool, has both increased manpower and materials cost, also brings inconvenience for the assembly. The current market environment pursues low cost, simple structure, convenient operation, both guarantee the facility of dismouting, also guarantee the device of functional reliability after the assembly.

In order to solve the technical problem, a device which does not adopt a special tool and can quickly separate the front fork, the handlebar stem and the frame by hand only needs to be designed, and the function is stable and reliable after the device is assembled.

SUMMERY OF THE UTILITY MODEL

The utility model provides a couple formula front fork and standing quick assembly disassembly's bicycle structure has solved the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a couple formula front fork and upright quick assembly disassembly's bicycle structure, includes and stands, is equipped with frame head pipe and bowl group to standing the lower part, is equipped with the front fork to standing the lower end, is equipped with the double-screw bolt to standing upper portion, double-screw bolt threaded connection nut, the front fork upper portion is equipped with front fork riser round pin axle, and the draw-in groove of standing the bottom is located to front fork riser round pin axle joint, it is equipped with handlebar round pin shaft hole to stand upper portion, handlebar round pin shaft hole through connection pin axle, and the couple through-hole of round pin rotation connection couple upper end, the upper portion of couple are equipped with the button, couple lower part sliding connection sets up in the guide way at holder middle part, and the holder left side is equipped with the holder side opening, and the inside spring that is equipped with of holder side opening, the.

As a preferred technical scheme of the utility model, the holder openly is equipped with the holder boss, and holder boss joint sets up in the spacing hole of holder of standing the lower part.

As an optimal technical scheme of the utility model, the double-screw bolt middle part is equipped with the stud hole, and the stud hole is concentric with handlebar round pin shaft hole, stud hole through connection round pin axle.

As a preferred technical scheme of the utility model, couple upper portion right side is equipped with the button draw-in groove, and button draw-in groove joint button is equipped with the through-hole to founding the middle part right side, through-hole through connection button.

As an optimized technical proposal of the utility model, a spacer sleeve is arranged between the handlebar stem and the frame head tube and between the handlebar stem and the bowl group.

As a preferred technical scheme of the utility model, the nut lower part is equipped with the groove of stepping down, the groove sliding connection button of stepping down.

As a preferred technical scheme of the utility model, the nut lower part is equipped with the groove of stepping down, and the inslot diameter of stepping down is greater than button length.

As an optimal technical scheme of the utility model, the guide way right side is equipped with spacing boss, and the couple lower part is equipped with the direction inclined plane.

As an optimal technical scheme of the utility model, couple upper portion left side is equipped with the button draw-in groove, button draw-in groove joint button.

As a preferred technical scheme of the utility model, be equipped with between nut and the spacer and keep off the ring, keep off the ring middle part and be equipped with the fixed orifices, the fixed orifices passes through the screw hole that bolted connection nut lower extreme set up.

The utility model discloses have following useful part:

the utility model is suitable for a couple formula front fork and in standing quick assembly disassembly's bicycle structure, through setting up the couple, will be connected with the front fork standing, and drive the removal of button through the nut, perhaps manual control button's removal, make the couple take place to rotate, thereby realize standing the breaking away from with the front fork, and through the tight and couple anticreep taut connected mode in screw thread top, make whole firm in connection, the screens has been prevented not hard up, the beat of warp direction has been eliminated, whole device easy operation, it is convenient to dismantle, suitable using widely.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an assembly view of a first embodiment of a hanger type front fork and handlebar stem quick release bicycle structure.

FIG. 2 is a schematic view of a structure of a handlebar stem in an embodiment of a hook type front fork and handlebar stem quick assembly and disassembly bicycle structure.

FIG. 3 is an exploded view of a front fork and a handlebar stem in a front fork and handlebar stem quick release bicycle structure.

FIG. 4 is a detailed view of the retainer and hook portions of a first embodiment of a hook type front fork and handlebar stem quick release bicycle structure.

FIG. 5 is an internal structural view of a hook type front fork and a handlebar stem when the handlebar stem is separated from the front fork in an embodiment of a bicycle structure for quick assembly and disassembly of the handlebar stem.

FIG. 6 is a view showing the inner structure of the hook type front fork and the handlebar stem when the handlebar stem and the front fork are locked in a first embodiment of the bicycle structure for quick assembly and disassembly of the hook type front fork and the handlebar stem.

FIG. 7 is a view showing the inner structure of the hook type front fork and the stem when the stem is locked with the front fork in the second embodiment of the bicycle structure for quick assembly and disassembly of the stem.

FIG. 8 is an internal structural view of a hook type front fork and a stem when the stem is separated from the front fork in a second embodiment of a bicycle structure for quick assembly and disassembly of the stem.

FIG. 9 is a view showing the inner structure of the hook type front fork and the stem when the stem is locked with the front fork in the third embodiment of the bicycle structure for quick assembly and disassembly of the stem.

FIG. 10 is a view of the interior of the third embodiment of a hook type front fork and a stem quick release bicycle structure with the stem separated from the front fork.

In the figure: 1. standing; 1-1, a clamping groove; 1-2, a retainer limiting hole; 1-3, through holes; 1-4, a handle bar pin shaft hole; 2. a frame head pipe and a bowl group; 3. a front fork; 3-1, a front fork vertical pipe pin shaft; 5. a nut; 5-1, an abdicating groove; 5-2, a threaded hole; 6. a stud; 6-1, stud holes; 7. a pin shaft; 8. hooking; 8-1, hook through holes; 8-2, a button slot; 8-3, spring grooves; 8-4, a guide inclined plane; 8-5, limiting bosses; 9. a spring; 10. a holder; 10-1, a retainer boss; 10-2, a retainer side hole; 10-3, a guide groove; 11. a spacer sleeve; 12. a button; 13. a baffle ring; 13-1, fixing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Example one

Referring to fig. 1-6, a hook type front fork and handlebar stem quick assembly disassembly bicycle structure comprises a handlebar stem 1, a frame head tube and bowl group 2 is arranged at the lower part of the handlebar stem 1, a spacer 11 is arranged between the handlebar stem 1 and the frame head tube and bowl group 2, a front fork 3 is arranged at the lower end of the handlebar stem 1, a stud 6 and a threaded connection nut 5 of the stud 6 are arranged at the upper part of the handlebar stem 1, a handlebar stem pin shaft 3-1 is arranged at the upper part of the front fork 3, the handlebar stem pin shaft 3-1 is clamped in a clamping groove 1-1 at the bottom of the handlebar stem 1 to ensure the synchronous rotation of the handlebar stem 1 and the front fork 3, a handlebar stem hole 1-4 is arranged at the upper part of the handlebar stem 1, the handlebar stem hole 1-4 is penetrated and connected with a pin shaft 7, a stud hole 6-1 is arranged at the middle part of the stud 6, the stud hole 6-1 is concentric with the handlebar stem hole 1-4, the stud, the two ends of the pin shaft 7 cannot exceed the threaded bottom hole of the stud 6 and cannot be shorter than the diameter of the inner hole of the handle 1; the pin shaft 7 is rotatably connected with a hook through hole 8-1 at the upper end of the hook 8, a button 12 is arranged at the upper part of the hook 8, a button clamping groove 8-2 is arranged at the right side of the upper part of the hook 8, the button 8-2 is clamped with the button 12, a through hole 1-3 is arranged at the right side of the middle part of the handle 1, the through hole 1-3 penetrates through the button 12, a abdicating groove 5-1 is arranged at the lower part of the screw cap 5, the abdicating groove 5-1 is slidably connected with the button 12, the lower part of the hook 8 is slidably connected with a guide groove 10-3 arranged at the middle part of the retainer 10, a retainer side hole 10-2 is arranged at the left side of the retainer 10, a spring 9 is arranged inside the retainer side hole 10-2, a spring groove 8-3 is arranged at the left side of the hook 8, a spring 9 is, the retainer 10, the spring 9 and the hook 8 penetrate into the inner cavity of the handlebar stand 1 until the retainer boss 10-1 on the retainer 10 is clamped into the retainer 10 limiting block on the handlebar stand 1, then the pin shaft 7 sequentially penetrates through the stud hole 6-1 on the stud 6, the pin shaft 7 hole on the handlebar stand 1 and the hook through hole 8-1 on the hook 8, and the lower end of the hook 8 is clamped with the front fork vertical pipe pin shaft 3-1. The control mode is touch locking, in a free state, under the action of a spring 9, a hook 8 and a front fork vertical pipe pin shaft 3-1 are in a separated state, a rotating nut 5 moves downwards, a abdication groove 5-1 of the nut 5 is in contact with a button 12 while pressing a spacer 11, the hook 8 is pushed to rotate for a certain angle, the hook 8 is in a state of hooking the front fork vertical pipe pin shaft 3-1, the larger the pressure of the nut 5 on the spacer 11 is, the larger the hooking force of the hook 8 on the front fork vertical pipe pin shaft 3-1 is, at the moment, the tighter the assembly of the stand 1, a frame head pipe, a bowl group 2 and the front fork 3 is, when the rotating nut 5 moves upwards, the abdication groove 5-1 of the nut 5 is separated from the button 12, the hook 8 automatically separates from the front fork vertical pipe pin shaft 3-1 under the action of the spring 9, and returns to an initial state, at the moment, the stand 1, The head tube and the bowl group 2 of the bicycle frame and the front fork 3 can be freely separated.

Example two

Referring to fig. 7-8, the other contents of the present embodiment are the same as those of the first embodiment, except that: the lower portion of the nut 5 is provided with a abdicating groove 5-1, the inner diameter of the abdicating groove 5-1 is larger than the length of the button 12, the button 12 is not contacted with the abdicating groove 5-1 at the lower portion of the nut 5, the right side of the guide groove 10-3 is provided with a limiting boss 8-5, and the lower portion of the hook 8 is provided with a guide inclined surface 8-4. When in use, under the action of the spring 9 and the limiting boss 8-5 of the hook 8, the hook 8 is in a state of hooking the front fork vertical pipe pin shaft 3-1, when the hook 8 moves downwards, the guide inclined plane 8-4 contacts with the front fork vertical pipe pin shaft 3-1, the hook 8 rotates, and finally the lower end of the hook 8 is clamped with the front fork vertical pipe pin shaft 3-1 under the action of the spring 9, unlike the touch unlocking method, the button 12 is not in contact with the nut 5, the nut 5 is rotated to move downward, the button 12 is shielded by the nut 5, when it is desired to control the separation of the stem 1 from the fork 3, the nut 5 is turned upwards to expose the button 12, the button 12 is pressed by hand, as shown in the direction F, the button 12 pushes the hook 8 to the left, so that the lower end of the hook 8 is separated from the front fork vertical tube pin shaft 3-1, and the handle 1 can be separated from the front fork 3 at the moment. The control mode is manual locking, and the control is more active and visual.

EXAMPLE III

Referring to fig. 9 to 10, the other contents of the present embodiment are the same as those of the first embodiment, except that: the left side of the upper portion of the hook 8 is provided with a button clamping groove 8-2, the button clamping groove 8-2 is connected with a button 12 in a clamping mode, a baffle ring 13 is arranged between the screw cap 5 and the spacer 11, the middle of the baffle ring 13 is provided with a fixing hole 13-1, and the fixing hole 13-1 is connected with a threaded hole 5-2 formed in the lower end of the screw cap 5 through a bolt. The working mode is free locking, on the basis of the second embodiment, the position of the button 12 on the hook 8 is arranged on the left side, the through hole 1-3 of the corresponding stem 1 also moves to the left side, when the nut 5 moves downwards, the button 12 is placed in the abdicating groove 5-1, at the moment, under the action of the spring 9, the hook 8 is clamped with the front fork riser pin shaft 3-1, at the moment, the stem 1 is fixed with the front fork 3, when the nut 5 moves upwards, the baffle ring 13 at the lower part of the nut 5 pushes the button 12 upwards, so that the hook 8 rotates clockwise, at the moment, the lower end of the hook 8 is separated from the front fork riser pin shaft 3-1, and at the moment, the stem 1 is separated from the front fork 3. The control mode is free locking, and the button 12 cannot be exposed in the control process, so that the button 12 cannot fall off in the adjusting process in rainy days and other conditions.

The utility model is suitable for a couple formula front fork and in founding quick assembly disassembly's bicycle structure, through setting up couple 8, will be connected 1 with front fork 3 founding, and drive the removal of button 12 through nut 5, perhaps manual control button 12's removal, make couple 8 take place to rotate, thereby realize 1 breaking away from with front fork 3 founding, and through the tight and couple anticreep taut connected mode in screw thread top, make whole firm in connection, the screens has been prevented not hard up, the beat of warp direction has been eliminated, whole device easy operation, convenient dismounting, suitable using widely.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A hook type front fork and a bicycle structure capable of being quickly disassembled and assembled comprises a stem (1), a frame head pipe and a bowl group (2) are arranged at the lower part of the stem (1), a front fork (3) is arranged at the lower end of the stem (1), a stud (6) is arranged at the upper part of the stem (1), and the stud (6) is in threaded connection with a nut (5), and is characterized in that a front fork vertical pipe pin shaft (3-1) is arranged at the upper part of the front fork (3), the front fork vertical pipe pin shaft (3-1) is clamped in a clamping groove (1-1) at the bottom of the stem (1), a handle pin shaft hole (1-4) is arranged at the upper part of the stem (1), the handle pin shaft hole (1-4) penetrates through a connecting pin shaft (7), the pin shaft (7) is rotatably connected with a hook through hole (8-1) at the upper end of a hook (8), a button (12) is arranged at the upper part of the hook (8), the lower part, a retainer side hole (10-2) is formed in the left side of the retainer (10), a spring (9) is arranged inside the retainer side hole (10-2), a spring groove (8-3) is formed in the left side of the hook (8), the spring (9) is arranged on the left side of the spring groove (8-3), and the lower end of the hook (8) is connected with a front fork vertical pipe pin shaft (3-1).

2. The bicycle structure for quickly dismounting and mounting the hook type front fork and the handlebar stem according to claim 1, characterized in that a holder boss (10-1) is arranged on the front surface of the holder (10), and the holder boss (10-1) is clamped and arranged in a holder limiting hole (1-2) at the lower part of the handlebar stem (1).

3. The bicycle structure of claim 1, wherein the middle of the stud (6) is provided with a stud hole (6-1), the stud hole (6-1) is concentric with the handle pin hole (1-4), and the stud hole (6-1) penetrates through the connecting pin (7).

4. The bicycle structure of claim 1, wherein the right side of the upper part of the hook (8) is provided with a button clamping groove (8-2), the button clamping groove (8-2) is used for clamping a button (12), the right side of the middle part of the handlebar stem (1) is provided with a through hole (1-3), and the through hole (1-3) is connected with the button (12) in a penetrating way.

5. The bicycle structure of claim 1, wherein a spacer (11) is arranged between the handlebar stem (1) and the frame head tube and the bowl group (2).

6. A bicycle structure with hook type front fork and handlebar fast assembly and disassembly as claimed in claim 1 or 4, characterized in that the nut (5) is provided with a relief groove (5-1) at the lower part, the relief groove (5-1) is slidably connected with the button (12).

7. A bicycle structure with hook type front fork and handlebar fast assembly and disassembly as claimed in claim 1 or 4, characterized in that the nut (5) is provided with a relief groove (5-1) at the lower part, the inner diameter of the relief groove (5-1) is larger than the length of the button (12).

8. The bicycle structure of claim 1, wherein the right side of the guide groove (10-3) is provided with a limit boss (8-5), and the lower part of the hook (8) is provided with a guide inclined surface (8-4).

9. The bicycle structure of claim 1, wherein the left side of the upper part of the hook (8) is provided with a button slot (8-2), and the button slot (8-2) is clamped with a button (12).

10. The bicycle structure of claim 9, wherein a retaining ring (13) is arranged between the nut (5) and the spacer (11), a fixing hole (13-1) is formed in the middle of the retaining ring (13), and the fixing hole (13-1) is connected with a threaded hole (5-2) formed in the lower end of the nut (5) through a bolt.