CN2354839Y - Anti-stealing bicycle - Google Patents

Abstract

The utility model relates to an anti stealing bicycle. The utility model comprises a handle, a front fork, a pedal, a rear wheel, a chair, a bicycle frame, a key, a lock head, and a lock bolt. The cross section of a vertical fork of the bicycle frame is completely cut off or partially cut off, the cutting point is respectively welded with a through hole sleeve and a blind hole sleeve, the bicycle frame, the through hole sleeve, and the blind hole sleeve form an indivisible lock body, an individual member which is composed of the lock head operated by the key and the lock bolt is inserted into the through hole sleeve and the blind hole sleeve, and a bicycle wheel is locked. Two key parts of the lock head and the lock bolt are closed, if the thief destroys the sleeves, the bicycle frame is damaged, and the bicycle can not be ridden away and can not be handled.

Description

Anti-theft bicycle

The utility model relates to a kind of anti-theft bicycle.

As everyone knows, bicycle is the equipment of the daily vehicle of riding instead of walk of people and body building, quite universal in China, but bicycle is very easily stolen, the bicycle integral structure is observed, it does not have anti-theft feature, generally be car load dispatch from the factory be sold in client's hand after, buy one in addition onboard by client again the lock installation, the lock of installing is destroyed and disassembles by the robber easily, so the robber after easily car being removed rides away car, bicycle is stolen and sold the problem that dirty vile practices become social concerns in a large number, the halter lock also by every means, is for example installed at front fork for this reason by bicycle maker; Add weldering one lock etc. on vehicle frame, but that the licence sample is stolen and sold is dirty, key is that vehicle frame and lock body are two parts, can be in many ways with its separation, and to bicycle structure without any destruction, what damage the surface of bicycle is not had yet.

The purpose of this utility model is for overcoming the shortcoming of above-mentioned prior art, provide a kind of lock body and vehicle frame are combined into the single-piece anti-theft bicycle, vehicle frame and through hole sleeve and blind hole sleeve are combined into an indivisible lock body by methods such as electric welding or edge are solid, both vehicle frame was the connecting bridge of this lock body, the robber had both damaged vehicle frame as destroying lock body, car can't be ridden away, also can't sell dirty, therefore reach the purpose of theft protection.

For achieving the above object, the present technique feature is achieved by the following scheme; The upright fork of vehicle frame or horizontal fork or front fork are blocked or part is blocked fully from transversal surface, in its complete truncated position or the disconnected place of part or side weld a through hole sleeve and blind hole sleeve respectively, make vehicle frame and through hole sleeve and blind hole sleeve constitute an indivisible lock body, both vehicle frame became the connecting bridge of lock body, was provided with a locating dowel pin or emboss pit in the blind hole sleeve; Be provided with a locating dowel pin or knock hole or convex-concave platform in the through hole sleeve, the tapered end that is mated, locking bolt are provided with cooresponding opposite positioning groove, hole or convex-concave platform, insert through hole sleeve and blind hole sleeve for the individual member that combines with locking bolt by key-operated tapered end, to wheel can not be rotated.

Further improve as the utility model, can adapt to high-grade bicycle adopts, with non-metallic materials such as fibers whole make or with metallic materials such as aluminum alloys whole make vehicle frame in, common integral body on the position of upright fork or horizontal fork creates with through hole sleeve and blind hole sleeve.

Described tapered end is formed the closedown structure that can insert two sleeves of anti-theft bicycle by connecting pin and locking bolt, can transfer to the back to break away from two covers when riding again simply solely deposits, the locking bolt front end is provided with groove that horizontal longitudinal phase hands over or groove always, tapered end is provided with groove always or is provided with the pin that rises and falls of a knee-action, and the knock hole of rise and fall pin and through hole sleeve is corresponding.

The utility model anti-theft bicycle is compared with the bicycle of prior art has following advantage: factory has finished the manufacturing of lock body again when making vehicle frame, make vehicle frame both keep original purposes and rigidity, has anti-theft feature again, the assembling of spraying paint of two sleeves and vehicle frame integral body is dispatched from the factory, both elegant in appearance, sturdy and durable again, eliminated the worry of wanting purchase of customer, installation lock in the past, reduced the weight and the cost of lock.And adopt independently locking bolt member, this member shearing resistance is anti-pounds long service life according to anti-, for example when this member contingency has quality or other problems, can change at any time, not influence the use of bicycle, not resemble halter lock etc., in case key is lost or locked self to damage and scraps, residual body has then become the burden of car.Above-mentioned technology is held to levy and can also be applied on electric power, the motion-aiding bicycle of fuel and various motor bike.

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.

Fig. 1 is the front view of ordinary bicycle of the present utility model.

Fig. 2 is the front view of high-grade bicycle of the present utility model.

Fig. 3 is the cutaway view of the upright fork of the utility model vehicle frame and lock body, locking bolt.

Fig. 1, Fig. 2 and anti-theft bicycle shown in Figure 3 are by handle (1), front fork (2), front-wheel (3), step (4), trailing wheel (6), through hole sleeve (8), seat (9), vehicle frame (10), blind hole sleeve (11), locking bolt (12), locating dowel pin (13), connecting pin (14), tapered end (15), key formations such as (16).

Fig. 1 is the embodiment on bicycle: the cross-sectional plane that the upright fork (7) of vehicle frame (10) is in position in the trailing wheel blocks fully or part is blocked, press the sharp processing one circular arc interface of through hole sleeve (8) and blind hole sleeve (11) in the truncated position, then through hole sleeve (8) and blind hole sleeve (11) are placed on respectively in the circular arc interface of truncated position, the axial line of two sleeves is overlapped, use the welding method firm welding again, in addition, also can not block upright fork (7), directly with two sleeves (8), (11) be welded on its side, two sleeves are connected to become an indivisible lock body by vehicle frame (10), and both vehicle frame (10) became the part of lock body.

Fig. 2 is the embodiment on high-grade bicycle: this vehicle frame (10) is with the whole manufacturing of non-metallic materials such as fiber or made in one piece with metallic materials such as aluminum alloys, in the while made in one piece, through hole sleeve (8) and blind hole tube (11) are fabricated directly in upright fork (7) or the horizontal fork (5), not only firm but also attractive in appearance like this.

Fig. 1 also comprises other two kinds of embodiments: both through hole sleeve (8) and blind hole sleeve (11) have been welded or be fixed on the truncation surface of the horizontal fork (5) of vehicle frame (10) or front fork (2), the front-wheel (3) that lock body that combines with front fork (2) and locking bolt are used for the locking bicycle.

Shown in Figure 3: tapered end (15) locking bolt (12) connects with connecting pin (14), forms independently locking bolt member, and the position that this moment, locking bolt stopped is a locking states, sees Fig. 3, is provided with locating dowel pin (13) in the blind hole sleeve (11), is used for locking bolt (12) location; Be provided with locating dowel pin (13) in the through hole sleeve (8), be used for tapered end (15) location, locking bolt (12) head is provided with the groove that horizontal longitudinal phase is handed over; Tapered end (15) is provided with groove always.During locking, the locking bolt member is inserted from through hole sleeve (8), make locking bolt (12) head enter blind hole sleeve (11), two locating dowel pins (13), (13) contact the groove of locking bolt (12) and tapered end (15) separately, during inverse time screw key (16) drive locking bolt (12) inverse time rotation, the horizontal groove of locking bolt (12) head enters the locating dowel pin (13) of blind hole sleeve (11), extracts key (16), and wheel is both by locking bolt (12) screens.When opening lock, after inserting key (16) and up time and rotating to an angle, together extract in addition together with the locking bolt member and to deposit, both can walk by bike.

Another kind of embodiment is: be provided with a knock hole or positioning groove in the through hole sleeve, but tapered end is provided with the locating dowel pin of knee-action, and its knee-action is by key-operated, and revert action is carried out by spring or shell fragment, key-operated also have a various ways, and for example up time, inverse time rotation, front and back promote; Before and after promotion and up time, inverse time rotate and combine etc.

Because the key position of tapered end and locking bolt is sealed by through hole sleeve and blind hole sleeve, two sleeves again with vehicle frame soldering and sealing, locking bolt self rigidity and intensity can resist the saw shearing resistance in addition, so have stronger anti-theft feature.

Obviously, the utility model embodiment also can be applied on electric power or the motion-aiding bicycle of fuel, and on the various motor bike, such expanded application and conversion all drop within the utility model protection domain.

Claims (3)

1, a kind of anti-theft bicycle, comprise handle, front fork, front-wheel, step, handwheel, seat, vehicle frame, key, tapered end, locking bolt, it is characterized in that: the upright fork (7) of vehicle frame (10) or horizontal fork (5) or front fork (2) are blocked or part is blocked fully from cross-sectional plane, in its complete truncated position or part truncated position or side weld a through hole sleeve (8) and a blind hole sleeve (11) respectively, make vehicle frame (10) and through hole sleeve (8) and blind hole sleeve (11) constitute an indivisible lock body, both vehicle frame (10) became the connecting bridge of lock body, was provided with a locating dowel pin (13) or emboss pit in the blind hole sleeve (11); Be provided with a locating dowel pin (13) or knock hole or convex-concave platform in the through hole sleeve (8), the tapered end that is mated (15), locking bolt (16) are provided with cooresponding opposite positioning groove, hole or convex-concave platform, and the individual member that combines with locking bolt (12) for the tapered end of being handled by key (16) (15) inserts through hole sleeve (8) and blind hole sleeve (11).

2, anti-theft bicycle according to claim 1, it is characterized in that: with non-metallic materials such as fibers whole make or with metallic materials such as aluminum alloys whole make vehicle frame (10) in, with through hole sleeve (8) and blind hole sleeve (11) on the position of upright fork (7) or horizontal fork (5) jointly integral body create.

3, anti-theft bicycle according to claim 1 and 2, it is characterized in that: tapered end (15) is formed the closing appliance that can insert two sleeves (8), (11) by connecting pin (14) and locking bolt (12), deposit separately disengaging two sleeves (8), (11) after extracting again when riding, locking bolt (12) front end is provided with groove that horizontal longitudinal phase hands over or groove always, tapered end (15) is provided with groove always or is provided with the pin that rises and falls of a knee-action, and the knock hole of rise and fall pin and through hole sleeve (8) is corresponding.

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