CN2440910Y

CN2440910Y - Directional security lock

Info

Publication number: CN2440910Y
Application number: CN 00221456
Authority: CN
Inventors: 余群谋
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-08-16
Filing date: 2000-08-16
Publication date: 2001-08-01
Anticipated expiration: 2010-08-16

Abstract

The utility model relates to a direction-stopping anti-theft lock, which comprises a movable ring (9) fixed on a vehicle steering component, a fixing ring (3) fixed on the upper part of a vehicle frame (1), a lock head sleeve (11) fixed on the fixing ring (3), and a lock head (12) which is arranged in an inner cavity of the lock head sleeve (11), wherein, the movable ring (9) is provided with a plurality of radial sliding sleeve slots (10), and a lock-tongue is inserted in one of the sliding sleeve slots (10). The utility model is characterized in that the fixing ring (3) is fixed on the vehicle frame (1) which is arranged on the lower part of an upper steel bowl (4) which is pressed on the upper end part of the fixing ring (3). The vehicle lock, or the fixing ring, or the movable ring can not be removed after the fixing ring is locked with the movable ring; therefore, the operation is safe, and users can install the vehicle lock after vehicles are purchased.

Description

Direction-stop anti-theft lock

The utility model relates to the theftproof lock on a kind of bicycle.

In the prior art, anti-theft lock for bicycle generally is to lock on rear wheel, and wheel can not be rotated with respect to vehicle frame, to reach the purpose of lock car.This lock need directly be anchored on the vehicle with screw, is easy to be pried open and dismantle.Also have a kind of flexible chain lock, be easy to be cut off, and put into when using and take out neither convenience.A kind of lock that is fixed in the vehicle frame front portion is arranged at present, and it can only promote car and spin in the original place when locking.Although this bicycle has theftproof performance preferably, when need making bicycle retainer ring is fixed on the fixture on the vehicle frame, make that operation increased when car load was made, the customer has not had to select the chance of lock yet.

The purpose of this utility model is to provide a kind of direction-stop anti-theft lock that the front-wheel lock can on-the-spot be installed.

The technical solution of the utility model is: a kind of direction-stop anti-theft lock, comprise the loose collar, the retainer ring that is fixed in vehicle frame top that are fixed on the Vehicular turn parts, be fixed in tapered end cover on the described retainer ring, be arranged at tapered end in the described tapered end cover inner chamber, be subjected to the dead bolt of described tapered end control, have a plurality of sliding sleeve grooves radially on the described loose collar, described dead bolt is when lock-out state, and described dead bolt is inserted in the described sliding sleeve groove; Described retainer ring is fixed on the vehicle frame of below of upper steel bowl, and upper steel bowl is pressed in the upper end of retainer ring.

The utility model compared with prior art has following advantage:

Because retainer ring is fixed on the below vehicle frame of upper steel bowl, only need pull down the parts of tops such as steel bowl, Vehicular turn parts when therefore installing, Fixing shrink ring is installed above-mentioned parts again on vehicle frame, and retainer ring is fixed on the vehicle frame, then at retainer ring with after loose collar locks mutually, can't pull down lock or retainer ring or loose collar again, use reliable.The user installs lock after can choosing car again, and it is applicable to various bicycles.

The utility model will be further described below in conjunction with drawings and Examples:

Accompanying drawing 1 is the structural front view on the bicycle of being installed in of the utility model embodiment one;

Accompanying drawing 2 is the structural front view on the bicycle of being installed in of the utility model embodiment two;

Accompanying drawing 3 is the A-A direction sectional view of accompanying drawing 1 or accompanying drawing 2;

Accompanying drawing 4 is that the K of accompanying drawing 3 is to view;

Accompanying drawing 5 partly cuts open figure for the B-B direction of the accompanying drawing 3 of embodiment one;

Accompanying drawing 6 partly cuts open figure for the B-B direction of the accompanying drawing 3 of embodiment two; Wherein:

[1], vehicle frame; [2], turn to front fork stem; [3], retainer ring; [4], upper steel bowl; [5], round nut; [6], lamp bracket; [7], turn to standpipe; [8], hex nut; [9], loose collar; [10], sliding sleeve groove; [11], tapered end cover; [12], tapered end; [13], sliding sleeve; [14], lock core; [15], axle ring washer; [16], vehicle frame groove; [17], retainer ring double wedge; [18], mark seal symbol;

Embodiment: referring to accompanying drawing, a kind of direction-stop anti-theft lock, comprise the loose collar [9], the retainer ring [3] that is fixed in vehicle frame [1] top that are fixed on the Vehicular turn parts, be fixed in tapered end cover [11] on the described retainer ring [3], be arranged at tapered end [12] in described tapered end cover [11] inner chamber, be subjected to the dead bolt of described tapered end [12] control, dead bolt of the present utility model is sliding sleeve [13].Described loose collar [9] is the cover tubular, and its inner wall section is a hexagon, and this hexagon inwall is inserted in and is stuck on the described hex nut [8], makes described loose collar [9] be fixed on the hex nut [8] on the described Vehicular turn parts.Have a plurality of sliding sleeve grooves [10] radially on the described loose collar [9], as shown in Figure 3, be generally three sliding sleeve grooves [10], described dead bolt is when lock-out state, described dead bolt is inserted in the described sliding sleeve groove [10], make retainer ring [3] and loose collar [9] not to relatively rotate, just vehicle steering device and vehicle frame can not relatively rotate, and also just make vehicle normally to advance; Described retainer ring [3] is fixed on the vehicle frame [1] of below of upper steel bowl [4], and upper steel bowl [4] is pressed in the upper end of retainer ring [3].

Referring to accompanying drawing 1, the retainer ring of this embodiment [3] is removable the connection with vehicle frame, have vehicle frame groove [16] longitudinally on the described vehicle frame [1], described retainer ring [3] inward flange is provided with the retainer ring double wedge [17] that radially protrudes, and described retainer ring double wedge [17] is inserted in the described vehicle frame groove [16].

Referring to accompanying drawing 2, the retainer ring of this embodiment [3] is fixedlyed connected with being connected to of vehicle frame [1], is that non-disconnectable formula connects.

Be printed on mark seal symbol [18] on the described loose collar [9], described retainer ring [3] also is printed on mark seal symbol [18] with the adjacent of loose collar [9].Described mark prints symbol [18] can be shown in accompanying drawing 3 or accompanying drawing 4, and described mark seal symbol [18] constitutes bicycle number plate, and half of its number is respectively on retainer ring [3] and loose collar [9].

Claims

1, a kind of direction-stop anti-theft lock, comprise the loose collar [9], the retainer ring [3] that is fixed in vehicle frame [1] top that are fixed on the Vehicular turn parts, be fixed in tapered end cover [11] on the described retainer ring [3], be arranged at tapered end [12] in described tapered end cover [11] inner chamber, be subjected to the dead bolt of described tapered end [12] control, have a plurality of sliding sleeve grooves [10] radially on the described loose collar [9], described dead bolt is when lock-out state, and described dead bolt is inserted in the described sliding sleeve groove [10]; It is characterized in that: described retainer ring [3] is fixed on the vehicle frame [1] of below of upper steel bowl [4], and upper steel bowl [4] is pressed in the upper end of retainer ring [3].

2, direction-stop anti-theft lock according to claim 1, it is characterized in that: have vehicle frame groove [16] longitudinally on the described vehicle frame [1], described retainer ring [3] inward flange is provided with the retainer ring double wedge [17] that radially protrudes, and described retainer ring double wedge [17] is inserted in the described vehicle frame groove [16].

3, direction-stop anti-theft lock according to claim 1 is characterized in that: described loose collar [9] is fixed on the hex nut [8] on the described Vehicular turn parts.

4, direction-stop anti-theft lock according to claim 3 is characterized in that: described loose collar [9] is the cover tubular, and its inner wall section is a hexagon, and this hexagon inwall is inserted in and is stuck on the described hex nut [8].

5, direction-stop anti-theft lock according to claim 1 is characterized in that: be printed on mark seal symbol [18] on the described loose collar [9], described retainer ring [3] also is printed on mark seal symbol [18] with the adjacent of loose collar [9].