CN2379567Y - Horizontal insertion type bicycle theft proof lock - Google Patents

Abstract

The utility model relates to the structure improvement of a bicycle theft proof lock, which comprises a lock ring (1), a lock core (12), a lock tongue (10) and a lock brake (8), wherein, the lock ring (1) is made of a square steel pipe; the lock core (12) is arranged at the middle part of the right side of the lock ring (1); the lock tongue (10) which is controlled by the lock core (12) is installed in a lock ring pipe to be moved top and down; the left end part of the lock ring (1) is connected with a lock brake sleeve (3) which is provided with the lock brake (8) by a rotary spoke (2); the lock brake (8) is rotated around the rotary spoke (2) to close the lock or open the lock. The utility model has the advantages of artful design, firm structure and convenient use. The utility model provides a practical and economical product for a market.

Description

The transverse-plug type anti-theft lock for bicycle

The utility model relates to a kind of architecture advances of anti-theft lock for bicycle.

Existing anti-theft lock for bicycle is generally made with book iron plate, and is not too firm, slightly one firmly picking lock can open the safety deficiency.

The purpose of this utility model provides a kind of dead bolt and is contained in the interior structure of lock ring pipe, firmly the also difficult firm safe transverse-plug type anti-theft lock for bicycle of opening of picking lock.

Task of the present utility model is finished in such a way: the transverse-plug type anti-theft lock for bicycle is by lock ring, lock core, dead bolt, stop, compositions such as key, lock ring 1 is made inverted U-shaped shape by rectangular steel tube, middle part, lock ring 1 the right is provided with lock core 12, the dead bolt 10 that controlled by lock core 12 is contained in lock ring 1 pipe and moves up and down, lock ring 1 left part is changeed spoke 2 with stop cover 3 usefulness of adorning stop 8 and is coupled together, and changeing installation torque spring 5 on the spoke 2, work the 90 ° of effects of swing that turn clockwise, stop 8 in the stop of packing into the cover 3 is equipped with back-up ring 6 and compression spring 7, and stop 8 can be stretched to the stop groove direction.

Concrete structure of the present utility model is seen accompanying drawing.

Fig. 1 is that the utility model closes the lock construction schematic diagram.

Fig. 2 is the utility model structural representation of unblanking.

Describe structure and the working condition that the utility model proposes in detail below in conjunction with accompanying drawing.

1 is lock ring among the figure, the 2nd, change spoke, and the 3rd, stop cover, the 4th, plastics handle, the 5th, torque spring, the 6th, back-up ring, the 7th, compression spring, the 8th, stop, the 9th, retainer, the 10th, dead bolt, the 11st, compression spring, the 12nd, lock core, the 13rd, key.

Lock ring 1 adopts rectangular steel tube to make inverted U-shaped shape through bending, circular retainer 9 is gone up in the welding of lock ring 1 right-hand end, the middle part is provided with lock core 12, lock core 12 rear portions are connected with interior dead bolt 10 upper ends of lock ring 1 pipe of packing into, dead bolt 10 lower ends are made into little pointed, a compression spring 11 is installed in dead bolt 10 upper ends, make dead bolt 10 key 13 by lock core 12 controls under, the dead bolt 10 cooperation opening-closing lock that in lock ring 1 pipe, moves up and down.Lock ring 1 left-hand end changes spoke 2 with stop cover 3 usefulness and is connected, and changeing installation one torque spring 5 on the spoke 2, working the 90 ° of effects of swing that turn clockwise.Stop 8 is that round steel makes, and the bottom car is made groove shaped, and plastics handle 4 is equipped with in the upper end, loads onto back-up ring 6 and compression spring 7 in the appropriate location of stop 8, and stop 8 stop of packing into is overlapped 3 the insides, and stop 8 can be flexible to the stop groove direction.

When closing lock, catch plastics handle 4 and stop to overlap 3 surfaces with hand, to clockwise direction swing half-twist, and push down plastics handle 4 tops with finger and exert oneself to stop 8 groove direction, stop 8 is inserted in retainers 9 circles, and this moment, the groove of stop 8 just can be blocked in dead bolt 10 lower ends, sent clickly one the sound, take out key 13, finished and closed the lock (see figure 1).When unblanking, key 13 is inserted lock core 12 clockwise rotate 45 °, the dead bolt 10 that is subjected to lock core 12 control just can upwards improve and leave stop 8 grooves, this moment is under the acting in conjunction of torque spring 5 and compression spring 7, stop 8 withdraws from 90 ° of retainer 9 and counter rotations automatically, get back to original position inactive state (see figure 2), just finished and unblanked.

The utlity model has be skillfully constructed, structure is firm, advantage easy to use, A kind of product of Applied economy will be provided for market.

Claims (2)

1, a kind of transverse-plug type anti-theft lock for bicycle is made up of lock ring, lock core, dead bolt, stop, key etc., it is characterized in that:

A, lock ring (1) are made inverted U-shaped shape by rectangular steel tube, and middle part, lock ring (1) the right is provided with lock core (12), and the dead bolt (10) that controlled by lock core (12) is contained in lock ring (1) pipe and moves up and down;

B, lock ring (1) left part are connected with changeing spoke (2) with the stop cover (3) that stop (8) is housed, and are changeing upward installation torque spring (5) of spoke (2).

2, transverse-plug type anti-theft lock for bicycle according to claim 1, the interior stop (8) of stop cover (3) that it is characterized in that packing into is equipped with back-up ring (6) and compression spring (7), and stop (8) can be stretched to the stop groove direction.