CN213323439U

CN213323439U - Bicycle front fork with anti-theft locking structure

Info

Publication number: CN213323439U
Application number: CN202021714693.8U
Authority: CN
Inventors: 彭福民
Original assignee: Tianjin Ounisite Car Material Co ltd
Current assignee: Tianjin Ounisite Car Material Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-06-01
Anticipated expiration: 2030-08-17

Abstract

The utility model discloses a bicycle front fork with theftproof locking structure, concretely relates to bicycle theftproof technical field, including front fork shoulder lid, the fixed front fork standpipe that is equipped with in front fork shoulder lid top, front fork standpipe outer end is equipped with the head pipe, a plurality of recesses have been seted up on the head pipe inner wall, the fixed roof that is equipped with on the front fork standpipe inner wall, there is a first pivot top through bearing swing joint, the fixed connecting piece that is equipped with in first pivot outer end, the fixed connecting rod that is equipped with in connecting piece outer end, connecting rod one end has the fixed head through activity free bearing swing joint, fixed head one end runs through the front fork standpipe and extends to inside one of them recess. The utility model discloses a key makes first pivot and connecting piece rotate to drive the fixed head and insert locking front fork in the recess, turn round by the key reversal again, make the fixed head remove the locking to the inside removal of front fork standpipe, fixed head and recess make the front fork locking play the theftproof effect.

Description

Bicycle front fork with anti-theft locking structure

Technical Field

An embodiment of the utility model provides a relate to bicycle front fork technical field, concretely relates to bicycle front fork with theftproof locking structure.

Background

The bicycle is a common traffic tool in daily life, a front fork component is positioned at the front part in a bicycle structure, the upper end of the front fork component is connected with a handlebar component, a frame component is matched with a front pipe, and the lower end of the front fork component is matched with a front shaft component to form a guide system of the bicycle. In consideration of the problem that the bicycle is easy to lose when parked outdoors, the bicycle is usually locked.

The prior art has the following defects: common bicycle locks are generally purchased to lock wheels, part of the bicycle locks are exposed outside to lock the wheels, the wheels cannot rotate and are prevented from being stolen, and the antitheft locks are exposed outside or easily broken to steal the bicycle, so that the safety is not high.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a bicycle front fork with theftproof locking structure to solve among the prior art because the lock that common lock part bicycle was taken certainly all exposes externally to the wheel locking, make the unable rotation of wheel and then the theftproof with the pickproof lock that leads to steal the bicycle because expose externally still easily by the artificial bicycle lock of breaking, not safe enough problem.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: a bicycle front fork with an anti-theft locking structure comprises a front fork shoulder cover and two front fork upper tubes, wherein the front fork upper tubes are fixedly arranged at the bottom end of the front fork shoulder cover, a front fork vertical tube is fixedly arranged at the top end of the front fork shoulder cover, a head tube is arranged at the outer end of the front fork vertical tube, a plurality of grooves are formed in the inner wall of the head tube, a top plate is fixedly arranged on the inner wall of the front fork vertical tube, the bottom end of the top plate is movably connected with a first rotating shaft through a bearing, the first rotating shaft is arranged in the front fork vertical tube, a connecting piece is fixedly arranged at the outer end of the first rotating shaft, the connecting piece is arranged in the front fork vertical tube, a connecting rod is fixedly arranged at the outer end of the connecting piece, one end of the connecting rod is movably connected with a fixing head through a movable hinge seat, the fixing head is arranged in the front fork vertical tube, one end of the fixing head penetrates through the, the telescopic link outer end cover is equipped with the spring, the spring both ends respectively with telescopic link both ends fixed connection, telescopic link and spring are established in connecting rod one side, telescopic link and spring are all established inside the front fork standpipe.

Furthermore, an L-shaped channel is formed in the front fork shoulder cover, the L-shaped channel is formed in the bottom end of the front fork vertical tube, and one end of the L-shaped channel penetrates through one side of the front fork shoulder cover.

Furthermore, the first rotating shaft penetrates through the vertical tube of the front fork, extends into the L-shaped channel and is movably connected to the bottom end of the L-shaped channel through a bearing.

Furthermore, a lock shell is fixedly arranged on the inner wall of one end of the L-shaped channel, a lock cylinder is movably sleeved in the lock shell, a key is inserted in the lock cylinder, and the key penetrates through the lock shell and extends out of one side of the front fork shoulder cover.

Furthermore, a second rotating shaft is movably connected to the inner wall of the L-shaped channel through a bearing, one end of the second rotating shaft extends into the inside of the lock shell, and one end of the second rotating shaft is fixedly connected with one end of the lock cylinder.

Furthermore, bevel gears are fixedly arranged at the other end of the second rotating shaft and the outer end of the first rotating shaft, and the bevel gears are meshed with each other.

Furthermore, a bowl group is fixedly arranged at the outer end of the front fork vertical tube, the bowl group is arranged at the top end of the front fork shoulder cover, the bowl group is arranged at the inner end of the head tube, and the front fork vertical tube is movably connected with the head tube through the bowl group.

Further, an arc-shaped plate is fixedly arranged on the inner wall of the front fork vertical tube and is arranged at the rear end of the fixing head, and the arc-shaped plate is arranged at the bottom of the top plate.

The embodiment of the utility model provides a have following advantage:

the utility model discloses a make the second pivot rotate and drive first pivot and connecting piece through two bevel gears and rotate by the key, thereby it rotates to drive the fixed head, insert in the recess, make the locomotive can't turn back again by the locking, reverse rotation key again when unblanking, make the fixed head move to fork standpipe inside, it is fixed to contact with the arc with the fixed head by the spring, compare with prior art, fixed head and recess are all inside the fork, be difficult for being destroyed, make the fork lock play the theftproof effect.

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 should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a front sectional view provided by the present invention;

fig. 2 is a top sectional view of the interior of the head pipe provided by the present invention;

FIG. 3 is an enlarged view of the portion A in FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the portion B in FIG. 1 according to the present invention;

fig. 5 is an enlarged view of the portion C in fig. 1 according to the present invention;

in the figure: the lock comprises a front fork shoulder cover 1, a 2L-shaped channel, a front fork vertical tube 3, a head tube 4, a groove 5, a top plate 6, a first rotating shaft 7, a connecting piece 8, a connecting rod 9, a fixing head 10, an expansion rod 11, a spring 12, an arc-shaped plate 13, a bowl group 14, a lock shell 15, a lock core 16, a key 17, a second rotating shaft 18, a bevel gear 19 and a front fork upper tube 20.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.

Referring to the attached drawings 1-5 of the specification, the bicycle front fork with the anti-theft locking structure of the embodiment comprises a front fork shoulder cover 1 and two front fork upper tubes 20, wherein the front fork upper tubes 20 are fixedly arranged at the bottom end of the front fork shoulder cover 1, a front fork vertical tube 3 is fixedly arranged at the top end of the front fork shoulder cover 1, a head tube 4 is arranged at the outer end of the front fork vertical tube 3, a plurality of grooves 5 are formed in the inner wall of the head tube 4, a top plate 6 is fixedly arranged on the inner wall of the front fork vertical tube 3, a first rotating shaft 7 is movably connected at the bottom end of the top plate 6 through a bearing, the first rotating shaft 7 is arranged inside the front fork vertical tube 3, a connecting piece 8 is fixedly arranged at the outer end of the first rotating shaft 7, the connecting piece 8 is arranged inside the front fork vertical tube 3, a connecting rod 9 is fixedly arranged at the outer end of the connecting piece 8, a fixing head 10 is movably connected at one end of, fixed head 10 one end runs through front fork standpipe 3 and extends to inside one of them recess 5, there is telescopic link 11 through activity free bearing swing joint between fixed head 10 and the connecting

piece

8, 11 outer pot heads on the telescopic link are equipped with spring 12, the spring 12 both ends respectively with 11 both ends fixed connection of telescopic link, telescopic link 11 and spring 12 establish in connecting rod 9 one side, telescopic link 11 and spring 12 all establish in front fork standpipe 3 inside.

Further, an L-shaped channel 2 is formed in the front fork shoulder cover 1, the L-shaped channel 2 is formed in the bottom end of the front fork vertical tube 3, one end of the L-shaped channel 2 penetrates through one side of the front fork shoulder cover 1, and the L-shaped channel 2 enables the key 17 to control the rotation of the fixing head 10.

Furthermore, first pivot 7 passes front fork standpipe 3 and extends into inside L type passageway 2 and through bearing swing joint in the 2 bottom of L type passageways, thereby more conveniently drives first pivot 7 and rotates the rotation of control fixed head 10.

Furthermore, a lock shell 15 is fixedly arranged on the inner wall of one end of the L-shaped channel 2, a lock cylinder 16 is movably sleeved inside the lock shell 15, a key 17 is inserted inside the lock cylinder 16, the key 17 penetrates through the lock shell 15 and extends out of one side of the front fork shoulder cover 1, and the lock shell 15 and the lock cylinder 16 enable the key 17 to rotate more conveniently to achieve the opening and closing effects.

Furthermore, a second rotating shaft 18 is movably connected to the inner wall of the L-shaped channel 2 through a bearing, one end of the second rotating shaft 18 extends into the inside of the lock shell 15, one end of the second rotating shaft 18 is fixedly connected with one end of the lock cylinder 16, and the key 17 drives the second rotating shaft 18 to rotate so as to be conveniently controlled to be turned on and off.

Further, the other end of the second rotating shaft 18 and the outer end of the first rotating shaft 7 are both fixedly provided with bevel gears 19, the two bevel gears 19 are meshed with each other, and the bevel gears 19 enable the first rotating shaft 7 and the second rotating shaft 18 to be connected with each other for rotation.

Further, the outer end of the front fork vertical tube 3 is fixedly provided with a bowl group 14, the bowl group 14 is arranged at the top end of the front fork shoulder cover 1, the bowl group 14 is arranged at the inner end of the head tube 4, the front fork vertical tube 3 and the head tube 4 are movably connected through the bowl group 14, and the bowl group 14 plays a role in movably connecting the front fork vertical tube 3 and the head tube 4.

Further, fixed arc 13 that is equipped with on the 3 inner walls of front fork standpipe, arc 13 is established in fixed head 10 rear end, arc 13 is established in 6 bottoms of roof, and arc 13 can be more convenient the control fixed head 10's of control removal angle.

The implementation scenario is specifically as follows: a key 17 is inserted into a lock core 16 and rotated, so that the lock core 16 rotates in a lock shell 15 and drives a second rotating shaft 18 to rotate, the second rotating shaft 18 drives bevel gears 19 to rotate, the two bevel gears 19 are meshed with each other to enable a first rotating shaft 7 and an outer end bevel gear 19 to rotate together, the first rotating shaft 7 drives a connecting piece 8 to rotate, the connecting piece 8 drives a fixed head 10 to rotate through a connecting rod 9, the fixed head 10 is pushed by the elasticity of a spring 12 to enable one end of the fixed head 10 to penetrate through a front fork vertical tube 3 and enter a groove 5, at the moment, the bicycle head is rotated to rotate the front fork vertical tube 3, the fixed head 10 moves and is clamped in one groove 5, the bicycle head is locked and cannot rotate back, the key 17 is rotated reversely during unlocking, the lock core 16, the second rotating shaft 18, the bevel gears 19, the first rotating shaft 7 and the connecting piece 8 all rotate reversely, and the connecting rod 9 drives the fixed, the fixing head 10 inwards compresses the spring 12 to generate elastic force, so that the spring 12 pushes the fixing head 10 to be in contact with the arc-shaped plate 13, the fixing head 10 and the groove 5 are both arranged inside the front fork and are not easy to damage, the front fork is locked to play a role in preventing theft, the embodiment specifically solves the problem that in the prior art, a bicycle lock is generally additionally purchased to lock a wheel, part of bicycles are externally exposed to lock the wheel, the wheels cannot rotate to prevent theft, and the antitheft locks are easily stolen by breaking the bicycle lock due to exposure to the outside and are not safe enough.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a bicycle front fork with theftproof locking structure, includes front fork shoulder lid (1) and two front forks top tube (20), front fork top tube (20) are fixed to be established in front fork shoulder lid (1) bottom, its characterized in that: the front fork is characterized in that a front fork vertical tube (3) is fixedly arranged at the top end of the front fork shoulder cover (1), a head tube (4) is arranged at the outer end of the front fork vertical tube (3), a plurality of grooves (5) are formed in the inner wall of the head tube (4), a top plate (6) is fixedly arranged on the inner wall of the front fork vertical tube (3), a first rotating shaft (7) is movably connected to the bottom end of the top plate (6) through a bearing, the first rotating shaft (7) is arranged inside the front fork vertical tube (3), a connecting piece (8) is fixedly arranged at the outer end of the first rotating shaft (7), the connecting piece (8) is arranged inside the front fork vertical tube (3), a connecting rod (9) is fixedly arranged at the outer end of the connecting piece (8), one end of the connecting rod (9) is movably connected with a fixing head (10) through a movable hinge base, the fixing head (10) is arranged inside the front fork vertical tube (3), one end of the fixing head (, there are telescopic link (11) through activity free bearing swing joint between fixed head (10) and connecting piece (8), telescopic link (11) outer end cover is equipped with spring (12), spring (12) both ends respectively with telescopic link (11) both ends fixed connection, establish in connecting rod (9) one side telescopic link (11) and spring (12), telescopic link (11) and spring (12) are all established inside fork standpipe (3) in the front.

2. The bicycle front fork with the anti-theft locking structure of claim 1, wherein: the fork is characterized in that an L-shaped channel (2) is formed in the front fork shoulder cover (1), the L-shaped channel (2) is formed in the bottom end of the front fork vertical tube (3), and one end of the L-shaped channel (2) penetrates through one side of the front fork shoulder cover (1).

3. The bicycle front fork with the anti-theft locking structure of claim 2, wherein: the first rotating shaft (7) penetrates through the front fork vertical pipe (3) to extend into the L-shaped channel (2) and is movably connected to the bottom end of the L-shaped channel (2) through a bearing.

4. The bicycle front fork with the anti-theft locking structure of claim 2, wherein: a lock shell (15) is fixedly arranged on the inner wall of one end of the L-shaped channel (2), a lock cylinder (16) is movably sleeved in the lock shell (15), a key (17) is inserted in the lock cylinder (16), and the key (17) penetrates through the lock shell (15) and extends out of one side of the front fork shoulder cover (1).

5. The bicycle front fork with the anti-theft locking structure of claim 4, wherein: the lock is characterized in that a second rotating shaft (18) is movably connected to the inner wall of the L-shaped channel (2) through a bearing, one end of the second rotating shaft (18) extends into the inside of the lock shell (15), and one end of the second rotating shaft (18) is fixedly connected with one end of the lock cylinder (16).

6. The bicycle front fork with the anti-theft locking structure of claim 5, wherein: the other end of the second rotating shaft (18) and the outer end of the first rotating shaft (7) are both fixedly provided with bevel gears (19), and the bevel gears (19) are meshed with each other.

7. The bicycle front fork with the anti-theft locking structure of claim 1, wherein: the outer end of the front fork vertical tube (3) is fixedly provided with a bowl group (14), the bowl group (14) is arranged at the top end of the front fork shoulder cover (1), the bowl group (14) is arranged at the inner end of the head tube (4), and the front fork vertical tube (3) is movably connected with the head tube (4) through the bowl group (14).

8. The bicycle front fork with the anti-theft locking structure of claim 1, wherein: an arc-shaped plate (13) is fixedly arranged on the inner wall of the front fork vertical tube (3), the arc-shaped plate (13) is arranged at the rear end of the fixing head (10), and the arc-shaped plate (13) is arranged at the bottom of the top plate (6).