CN2368933Y - Automatic door lock - Google Patents

Abstract

The utility model relates to an impacting type automatic door lock, which is composed of a lock core, a lock casing, a lock bolt mechanism, a gear shaft, a back-buckling apparatus and an alarm and doorbell apparatus, wherein, the lock core arranged on the mounting plate of the lock core is connected with the gear shaft and is fixed to the lock casing, and the gear shaft is respectively engaged with an upper lock latch rack bar, a lower lock latch rack bar and the rack bar of the lock bolt. With the rotation of the lock core, each rack bar is horizontally moved and an automatic locking apparatus is arranged in the hollow lock bolt. The utility model has the advantages of a plurality of functions, such as self-locking, back-buckling, alarm and doorbell, etc., anti-theft and convenience.

Description

A kind of impact type automatic door lock

The utility model relates to a kind of lock, the multi-functional automatic door lock of particularly a kind of impact type.

Existing door lock function is single, and anti-theft effect is poor, some conventional door lock especially, and its dead bolt is the inclined-plane, is easy to pry open, and is promptly non-anti-theft, can not report to the police again, is difficult to play antitheft effect.

The purpose of this utility model is to provide a kind of and locks conveniently, theftproof performance is good, can report to the police and the multi-functional automatic door lock of a kind of impact type that can the double as doorbell.

In order to achieve the above object, the utility model is achieved like this: this impact type automatic door lock comprises lock core, lock housing, spring bolt mechanism, gear shaft, left-hand thread device, warning and door bell device.Lock core is contained in and is connected with gear shaft on the lock core installing plate and is fixed on the lock housing, this gear shaft respectively with last lock bolt tooth bar, lock bolt tooth bar and the engagement of dead bolt tooth bar down.

Described spring bolt mechanism is by the dead bolt tooth bar, pin, hollow dead bolt, back-moving spring constitutes, described dead bolt rack and pinion axle engagement, along with the rotation of lock core makes it do translation along pin, hollow dead bolt is separately fixed on this dead bolt tooth bar, back-moving spring is located in the hollow dead bolt, wherein a hollow dead bolt and self-locking movable hook are formed the device that automatically locks, this device that automatically locks comprises the collision push rod, hollow dead bolt, the compression spring, nut, self-locking movable hook and extension spring, the compression spring housing is on the collision push rod, the collision push rod is contained in the hollow dead bolt regulates its length with nut, the self-locking movable hook is located on the dead bolt tooth bar, one of extension spring is hooked on the dead bolt tooth bar, and the other end is hooked on the self-locking movable hook.

The described left-hand thread device side of comprising core retainer plate, banking pin, ball, spring, screw, handle, anti-relief spring, self-locking hole and the left-hand thread hole of buckleing.Side core retainer plate and banking pin be in aggregates be contained in the reverse gear shaft of lock core on, packing ring and screw are located at the gear shaft top, be provided with an anti-button relief spring at its top, the ball side's of being contained in core retainer plate anchor point interior and on the gear shaft respectively combines, spring withstands ball and uses the screw shutoff, the handle side of being located at core retainer plate outside.

Described warning, door bell device are made of battery case, circuit board, pick-proof contact, lead, loudspeaker, bell button.Battery case, circuit board, loudspeaker are located at respectively in the lock housing, lead connect antitheft contact be located on the dead bolt tooth bar with hollow dead bolt side by side, bell button is located on the lock core.

The utility model impact type automatic door lock has following advantage: owing on the square shaped teeth wheel shaft, be provided with a left-hand thread device, when not needing self-locking, as long as the turn handle just can formulate gear shaft can self-locking; During as the need left-hand thread, same turn handle can left-hand thread, has key also can't open.Simultaneously, be provided with warning, door bell device in lock housing inside, during as picking lock, circuit is switched on and sounds the alarm; Need not call at the door if any the guest, click bell button and get final product, thereby both have theftproof preferably, convenient again.

Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described.

Fig. 1 is the structural representation of the utility model specific embodiment.

Fig. 2 is the lateral view of the utility model specific embodiment.

By shown in Figure 1, the utility model impact type automatic door lock is made of lock core 1, lock housing 2, spring bolt mechanism, gear shaft 17, left-hand thread device, warning and door bell device.Lock core 1 is contained in and is connected with gear shaft 17 on the lock core installing plate 21 and is fixed on the lock housing 2, this gear shaft 17 respectively with last lock bolt tooth bar 22, lock bolt tooth bar 23 and 3 engagements of dead bolt tooth bar down.

Described spring bolt mechanism is made of dead bolt tooth bar 3, pin 4, hollow dead bolt 6, back-moving spring 5, described dead bolt tooth bar 3 and gear shaft 17 engagements, hollow dead bolt 6 is separately fixed on the dead bolt tooth bar 3, along with the rotation of lock core 1 makes dead bolt tooth bar 3 do translation along pin 4, drive simultaneously and go up lock bolt tooth bar 22,23 translations of lock bolt tooth bar reach the purpose of opening the door and locking a door down.Back-moving spring 5 is located in the hollow dead bolt 6; Wherein a hollow dead bolt 6 and self-locking movable hook 7 are formed the device that automatically locks, and this device that automatically locks comprises collision push rod 8, hollow dead bolt 6, compression spring 9, nut 10, self-locking movable hook 7 and extension spring 11.Compression spring 9 is enclosed within on the collision push rod 8, and collision push rod 8 is contained in the hollow dead bolt 6 and regulates its length with nut 10, and self-locking movable hook 7 is located on the dead bolt tooth bar 3, and 11 1 of extension springs are hooked on the dead bolt tooth bar 3, and the other end is hooked on the self-locking movable hook 7.

The described left-hand thread device side of comprising core retainer plate 12, banking pin 32, ball 13, spring 14, screw 15, handle 16, self-locking hole 33 and left-hand thread hole 34.Side's core retainer plate 12 and banking pin 32 be in aggregates be contained in the reverse gear shaft 17 of lock core 1 on, for preventing the disengaging of this side's core retainer plate and gear shaft, be provided with packing ring (35) and screw (20) at gear shaft (17) tail end; Be provided with one in square core retainer plate 12 and handle 16 junctions and prevent buckleing relief spring 18, left-hand thread when preventing from when vibration, not need left-hand thread, self-locking when not needing self-locking; Ball 13 side's of being contained in core retainer plate 12 anchor points 19 interior and on the gear shaft 17 respectively combines, and spring 14 withstands liquid pearl 13 by screw 15 shutoff; Handle 16 side's of being located at core retainer plates 12 outsides, decorative panel 24 is located between lock housing 2 and the handle 16.When not needing to lock a door, turn handle 16 just can self-locking with 33 of the self-locking holes that the banking pin on the square core retainer plate 12 32 is aimed on the lock housings 2; During as the need left-hand thread, same turn handle 16, just can left-hand thread in the left-hand thread hole 34 that banking pin 32 is aimed on the lock housings 2, promptly use key also method open door lock.

Described warning, door bell device are made of battery case 29, circuit board 27, pick-proof contact 25, lead 26, loudspeaker 31, bell button 28.Battery case 29, circuit board 27, loudspeaker 31 are located at respectively in the lock housing 2, be provided with a battery installing hole 30 in the outside of lock housing 2, lead 26 connects pick-proof contact 25, pick-proof contact 25 be located on the dead bolt tooth bar 3 with hollow dead bolt 6 side by side, when the people prized the hollow dead bolt 6 of saw, pick-proof contact 25 was promptly connected power supply and is sounded the alarm.Bell button 28 is located on the lock core 1, when the guest, as long as bell button 28 can send doorbell sound just press.

Claims (3)

1, a kind of impact type automatic door lock, it comprises: lock core (1), lock housing (2), dead bolt tooth bar (3), hollow dead bolt (6), gear shaft (17).Lock core (1) is contained in lock core installing plate (21) and goes up and to be connected with gear shaft (17) and to be fixed on the lock housing (2), it is characterized in that: described gear shaft (17) meshes with last lock bolt tooth bar (22), following lock bolt tooth bar (23) and dead bolt tooth bar (3) respectively, and described gear shaft (17) is provided with a left-hand thread device.

2, a kind of impact type automatic door lock according to claim 1 is characterized in that: the described left-hand thread device side's of comprising core retainer plate (12), banking pin (32), ball (13), spring (14), screw (15), handle (16), self-locking hole (33) and left-hand thread hole (34); Described side's core retainer plate (12) and banking pin (32) be in aggregates be contained in the reverse gear shaft (17) of lock core 1 on, for preventing the disengaging of this side's core retainer plate and gear shaft, be provided with packing ring (35) and screw (20) at gear shaft (17) tail end; Be provided with an anti-relief spring (18) of buckleing in the junction of square core retainer plate (12) and handle (16); Ball (13) side's of being contained in core retainer plate (12) anchor point (19) interior and on the gear shaft (17) respectively combines, and spring (14) withstands ball (13) by screw (15) shutoff; Handle (16) side's of being located at core retainer plate (12) outside.

3, a kind of impact type automatic door lock according to claim 1 is provided with one and reports to the police and door bell device in the described lock housing (2).It is characterized in that: described warning, door bell device are made of battery case (29), circuit board (27), pick-proof contact (25), lead (26), loudspeaker (31), bell button (28).Battery case (29), circuit board (27), loudspeaker (31) are located at respectively in the lock housing (2), and on this lock housing (2), be provided with a battery installing hole (30), one bell button (28) is housed on the lock core (1), pick-proof contact (25) be located at dead bolt tooth bar (3) go up with hollow dead bolt (6) side by side, pick-proof contact (25) is connected with circuit board (27) by lead (26).