CN2869238Y

CN2869238Y - Opening-convenient anti-theft rolling-door lock

Info

Publication number: CN2869238Y
Application number: CN 200620131622
Authority: CN
Inventors: 张迪武
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-08-25
Filing date: 2006-08-25
Publication date: 2007-02-14
Anticipated expiration: 2016-08-25

Abstract

A burglarproof easy-open rolling door lock comprising a common rolling door body as well as an automatic unlock device and a burglarproof device; the said automatic unlock device comprises an unlocking board and a lock rod embedded in the unlock board. The said lock rod is provided with a cavity, a hole is respectively arranged on the upper and lower side of the lock rod wall, the horizontal shaft, through the holes on the upper and lower lock, is permanently arranged on the said unlocking board, which allows upward and downward movements within the scope of the lock rod wall hole; because the horizontal shaft of the said unlocking board has a built-in key toward the inner cavity of the lock rod, the outer case of this built-in key is arranged with a built-in spring, and the said built-in key and spring can move upward and downward with the unlocking board along the locking rod wall hole in the cavity of the lock rod. This utility model has advantages that the burglarproof easy-open rolling door lock is easy to open, burglarproof and safe etc.

Description

A kind of unlatching conveniently and antitheft Rolling door lock

Technical field

The utility model relates to a kind of Rolling door lock, especially relates to a kind of open convenient and antitheft Rolling door lock.

Background technology

The present Rolling door lock that uses, the house owner must open the lock with the key when entering and going out, and also will use key when especially going out, and has brought inconvenience to the user.Simultaneously, common Rolling door lock is opened by sledge easily, and theftproof performance is poor.

The utility model content

Problem to be solved in the utility model provides a kind ofly opens convenient and antitheft Rolling door lock, and this lock can easily be opened from indoor, need not carry key, simultaneously, even this lock outside sledge open, also can ensure safety.

For solving the problems of the technologies described above, the utility model adopts following technical scheme: it comprises common rolling door lock body, and it also comprises auto-unlocking device and anti-theft device;

Described auto-unlocking device comprises unblanks to coil, be nested in the lock in unblanking to coil, described lock is established cavity, upper and lower being provided with of this lock cylinder wall is respectively equipped with a hole, described unblank to coil set firmly horizontal axis and pass the upper and lower aperture of lock cylinder wall, make to unblank to coil in the scope of lock cinclides to move up and down; Describedly unblank to coil horizontal axis and set firmly built-in key towards the lock cavity inside, this built-in key is with built-in spring outward, and described built-in key and spring all can coil in the cavity of lock with unblanking and move up and down along the lock cinclides;

Described anti-theft device comprises theft protection plate, is fixed on the bearing pin on the common rolling door lock body; The upper and lower strip hole of establishing respectively of described theft protection plate, described bearing pin control theft protection plate moves along this upper and lower strip hole; The top of following strip hole is provided with moves back retaining hole and safety dog hole, thinks coupling with the size that is located at the fixedly insurance bullet on the door lock; In the described fixedly insurance bullet turriform relief spring is set, this turriform relief spring can be so that compression of fixing insurance bullet or ejection; The middle part of described theft protection plate is provided with spacing hole, and the insurance tapered end is established in the below of this spacing hole, and this tapered end when up mobile, inserts the hole of lock cylinder wall below with theft protection plate; Make whole lock to rotate, play the effect of burglary insurance.

For making things convenient for the turn of lock, described lock is a polygon.

The described dish of unblanking is polygon.

Operating principle of the present utility model is as follows: the dish of will unblanking presses down, and drives built-in key and spring by horizontal axis, enters unlocking condition; Turn lock, can open Rolling door lock; Backward rotation, the spring automatic homing, door easily opens and closes like this; Promote theft protection plate, fixing insurance bullet is from moving back the retaining hole to the safety dog hole, and the insurance tapered end inserts the hole of lock cylinder wall below, the insurance process is finished, and during the surrender danger, only needs the pulling theft protection plate, fixing insurance bullet gets final product from the safety dog hole to moving back the retaining hole, turriform relief spring, fixing insurance bullet automatic homing.

The utlity model has advantages such as convenient unlatching, anti-theft security.

Description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2 is the A-A direction sectional view along Fig. 1:

Fig. 3 is a structural representation of the present utility model;

Fig. 4 is a theft protection plate lateral view of the present utility model;

Fig. 5 is the B-B direction sectional view along Fig. 1 of the present utility model;

Fig. 6 is the structural representation of unblanking to coil of the present utility model;

Fig. 7 is dish and the built-in key syndeton schematic diagram of unblanking of the present utility model.

The specific embodiment

Shown in Fig. 1～7, the utility model comprises common rolling door lock body 1, and it also comprises auto-unlocking device 2 and anti-theft device 3;

Described auto-unlocking device 2 comprises that octagon unblanks to coil 21, is nested in the octagon lock 22 in unblanking to coil, described lock 22 is established cavity 221, upper and lower being provided with of this lock cylinder wall is respectively equipped with a hole 222,223, describedly unblank to coil 21 and set firmly horizontal axis 211 and pass the upper and lower aperture of lock cylinder wall 222,223, make that unblanking to coil 21 moves up and down in the scope of lock cinclides 222,223; Describedly unblank to coil the built-in key 212 that sets firmly on 21 horizontal axis 211 towards the lock cavity inside, be with built-in spring 213 outside this built-in key 212, described built-in key 212 and built-in spring 213 all can coil 21 with unblanking and move up and down along lock cinclides 222,223 in the cavity 221 of lock 22;

Described anti-theft device 3 comprises theft protection plate 31, is fixed on the bearing pin 11 on the common rolling door lock body 1; The described theft protection plate 31 upper and lower strip holes 311,312 of establishing respectively, described bearing pin 11 control theft protection plates 31 move along this upper and lower strip hole 311,312; The top of following strip hole 312 is provided with moves back retaining hole 313 and safety dog hole 314, thinks coupling with the size that is located at the fixedly insurance bullet 12 on the rolling door lock body 1; In the described fixedly insurance bullet 12 turriform relief spring 13 is set, this turriform relief spring 13 makes fixing insurance bullet 12 to compress or to eject; The middle part of described theft protection plate 31 is provided with spacing hole 315, and insurance tapered end 316 is established in the below of this spacing hole 315, and this insurance tapered end 316 when up mobile, inserts the hole 223 of octagon lock 22 walls below with theft protection plate 31; Make whole lock 22 to rotate, play the effect of burglary insurance.

Claims

1, a kind of unlatching conveniently and antitheft Rolling door lock, it comprises common rolling door lock body, it is characterized in that: it also comprises auto-unlocking device and anti-theft device;

Described auto-unlocking device comprises unblanks to coil, is nested in the lock in unblanking to coil, and described lock is established cavity, and upper and lower being provided with of this lock cylinder wall is respectively equipped with a hole, described unblank to coil set firmly horizontal axis and pass the upper and lower aperture of lock cylinder wall; Describedly unblank to coil horizontal axis and set firmly built-in key towards the lock cavity inside, this built-in key is with built-in spring outward, and described built-in key and spring all can coil in the cavity of lock with unblanking and move up and down along the lock cinclides;

Described anti-theft device comprises theft protection plate, is fixed on the bearing pin on the common rolling door lock body; The upper and lower strip hole of establishing respectively of described theft protection plate, described bearing pin control theft protection plate moves along this upper and lower strip hole; The top of following strip hole is provided with moves back retaining hole and safety dog hole, thinks coupling with the size that is located at the fixedly insurance bullet on the door lock; In the described fixedly insurance bullet turriform relief spring is set, this turriform relief spring can be so that compression of fixing insurance bullet or ejection; The middle part of described theft protection plate is provided with spacing hole, and the insurance tapered end is established in the below of this spacing hole, and this tapered end when up mobile, inserts the hole of lock cylinder wall below with theft protection plate.

2, a kind of open convenient and antitheft Rolling door lock according to claim 1, it is characterized in that: described lock is a polygon.

3, a kind of open convenient and antitheft Rolling door lock according to claim 1 is characterized in that: the described dish of unblanking is polygon.