CN202493109U - High-performance anti-theft lock - Google Patents

Abstract

The utility model relates to a high-performance anti-theft lock which is simple in structure, low in manufacturing cost, safe and reliable. The high-performance anti-theft lock is composed of a shell (3), a cross-shaped lock head, a key set, a driving gear (8), upper and lower racks (2 and 7), push rods (6 and 9) and lock pipes (5 and 10), wherein the shell (3) is formed by stamping a steel plate; the cross-shaped lock head is faced to the outer side of a door (1); after a key of the lock is inserted into a lock cylinder at the center of the cross-shaped lock head, if only the key is rotated, the driving gear (8) can be driven to rotate by the rotated key and the lock cylinder through a steel plate hinged with the lock cylinder, and the teeth of the driving gear (8) are engaged with the two racks (2 and 7); the racks (2 and 7) are processed at one ends of the push rods (6 and 9); the push rods (6 and 9) are circular steel bars and can slide in the shell (3); the lock pipes (5 and 10) are fixed on a door frame or in a wall; and under locking state, the push rods (6 and 9) are inserted into the lock pipes (5 and 10), so that the door cannot be opened.

Description

The high-performance theftproof lock

Technical field:

The utility model relates to a kind of lockset that is used on the door.

Background technology:

At present the use lockset on the door has two types of bright lock and built-in locks, and bright lock is easy to destroy, though built-in lock is survivable, but because one side of a locking door unlatching, safety feature is not enough; Though security door locking three limits or four limits, complex structure, price is higher.

Summary of the invention:

The utility model discloses a kind of high-performance safe-guard door lock, and purpose provides a kind of simple in structure, low cost of manufacture, safe and reliable safe-guard door lock, and the retaining burglar more haves a sense of security people in outdoors.

The structure of the utility model is: be made up of shell, Cross lock, set of keys, driven wheel, double rack, two push rod, twin-lock pipe; Shell is to be processed by the steel plate punching press, is fixedly connected with door, and the most of part except that the lock pipe all is installed in the side that shell leans on door; Cross lock is towards outdoors; Corresponding with it limit outdoors has the hole that Cross lock is installed; The lock core of Cross lock can drive the interior square hole rotation of driven wheel through hinged steel plate with it, and the tooth of the outside of driven wheel meshes with two toothed rack, and tooth bar is that the end at push rod processes; Push rod is the rod iron of a circle, can slide in the enclosure together with tooth bar.The lock pipe is fixed on the doorframe or within the walls, set of keys is generally identical six, uses to distribute to each family member.

During the utility model locking, can with key from the lockhole that inserts Cross lock central authorities outdoors, rotate counterclockwise key; Key drives steel plate through lock core and rotates; The interior square hole of steel plate turn driven wheel makes the driven wheel rotation, and driven wheel promotes two toothed rack and moves towards both sides, and the tooth of two toothed rack promotes two push rods and moves towards both sides; With the end of two push rods insert be fixed on the doorframe or within the walls lock pipe in, door is by locking.

When the utility model need be opened, key is inserted the lockhole from hole outdoors, clockwise rotate key; Lock core drives driven wheel and turns clockwise; Driven wheel promotes two toothed rack and moves towards the centre, and two push rods of two toothed rack pullings move towards the centre, with the end of two push rods from be fixed on the doorframe or within the walls lock pipe in extract out; Be withdrawn in the shell, door can freely be opened.

The beneficial effect of the utility model is:

1. when this lock locking, get in the institute even the burglar jumps in the window inlet chamber or climbs over the walls, still can't open the door thing is moved, even in door, this lock is unloaded, if without key, still can't open, door is not still opened yet, and has anti-theft effect preferably.

2. simple in structure, low cost of manufacture, fault rate is low, and is safe and reliable.

Through technique scheme, realized the purpose of the utility model preferably.

Description of drawings:

Bottom in conjunction with the accompanying drawings.

Fig. 1 is the profile and the partial sectional view of the utility model.

Fig. 2 is the center longitudinal sectional view of the utility model.

Among the figure: 1., 2. upper rack, 3. shell, 4. wood screw, 5. lock pipe, 6. push rod 7. descends tooth bar, 8. driven wheel, 9. push rod, 10. lock pipe, 11. machine screws, 12. Cross locks, 13. lock cores, 14 3 hole iron plates, 15. steel plates.

The specific embodiment:

The utility model is by shell 3, Cross lock 12, set of keys, driven wheel 8, tooth bar 2 and 7, push rod 6 and 9, lock pipe 5 and 10 etc. are formed up and down; Shell 3 is to be processed by the steel plate punching press, and shell 3 is fixedly connected on door 1 inboard through some wood screws 4, remove most of part the lock pipe 5 and 10 all be installed in shell 3 by a side; Cross lock 12 is towards the outside of door 1, and door 1 outside has the hole that Cross lock 12 is installed, and Cross lock 12 is fixed on the door 1 through machine screw 11 and three hole iron plates 14; After the key of this lock inserts in the lock core 13 of Cross lock 12 central authorities; As long as screw key, the key of rotation will rotate with lock core 13 together, and lock core 13 rotates through the interior square hole that hinged steel plate 15 with it can drive driven wheel 8; The tooth of driven wheel 8 and two toothed rack 2 and 7 engagements; Tooth bar 2 and 7 is that the end near central authorities in push rod 6 and 9 processes, and push rod 6 and 9 is rod irons of a circle, can in shell 3, slide together with tooth bar 2 and 7.Lock pipe 5 and 10 is fixed on the doorframe firmly or within the walls, set of keys is generally identical six, uses to distribute to each family member.

When the utility model needs locking; Can be from the lockhole of the lock core 13 that inserts Cross lock 12 central authorities outdoors with key; Rotate counterclockwise key, key drives steel plate 15 through lock core 13 and rotates, and the interior square hole of steel plate 15 turn driven wheels 8 makes driven wheel 8 rotations; Move on the both sides that driven wheel 8 promotes two toothed rack 2 and 7 propylaeums 1; Two toothed rack 2 and 7 tooth promote two push rods 6 and move towards both sides with 9, with the end insertion of two push rods 6 and 9 be fixed on the doorframe or within the walls lock pipe 5 and 10 in, by locking.

When the utility model need be opened, key is inserted the lockhole from hole outdoors, clockwise rotate key; Lock core 13 drives driven wheel 8 and turns clockwise; Driven wheel 8 promotes two toothed rack 2 and moves towards middle with 7, two push rods 6 of two toothed rack 2 and 7 pullings with 9 towards middle mobile, with the end of two push rods 6 and 9 from being fixed on the doorframe or within the walls lock pipe 5 and 10 interior extractions; Be withdrawn in the shell 3, door 1 can freely be opened.

Claims (1)

1. high-performance theftproof lock; Form by shell (3), Cross lock (12), set of keys, driven wheel (8), tooth bar (2 and 7), push rod (6 and 9), lock pipe (5 and 10); It is characterized in that: driven wheel (8) and two toothed rack (2 and 7) mesh, and tooth bar (2 and 7) is that the end at push rod (6 and 9) processes, and push rod (6 and 9) is the rod iron of a circle; And tooth bar (2 and 7) slides in shell (3), and lock pipe (5 and 10) is fixed on doorframe or within the walls.

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