CN1217414A

CN1217414A - Anti-theft door lock

Info

Publication number: CN1217414A
Application number: CN 97108295
Authority: CN
Inventors: 楚正湘
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-11-07
Filing date: 1997-11-07
Publication date: 1999-05-26

Abstract

The present invention relates to a burglary-resisting door lock, including the following components: lock body possesses a cross lock barrel and a digit wheel. Said digit wheel is used to drive a positioning gear with a deep-slot, and the turning shaft of the cross lock barrel is equipped with two rack bars which are alternatively mounted and respectively meshed with gears, in which one rack bar is connected with strike plate, and another rack bar is connected with pushing plate on which there are two transverse locking bars,and two sides of the lock body are respectively equipped with slideways, and the oblique side of the slide block is placed against the side of pushing plate, and the slide block is connected with a longitudinal lock bar and a reset spring, and the rack bar is vertically equipped with positioning toothed bar meshed on the positioning gear, and the front of the lock body is equipped with a lock protector.

Description

Safe-guard door lock

The present invention relates to a kind of lockset, particularly a kind of safe-guard door lock.

At present in field of lockset, various safety locks emerge in an endless stream, door lock develops into existing insurance function cross lock preferably by initial common lock, prevent to prepare key and insert the problem of opening the door and locking though this theftproof lock has solved, but distance is bigger between the double lock tongue, cause lock body huge, and thief can use electric drill to bore bad lock core with door-lock opening, cause very big loss for people's property, this in addition traditional lock core exposes also to be filled in foreign material in the door lock hole for some to stay hidden danger, cause daily life to cause very big trouble.Coded lock is known technology morning, on safety cabinet, use widely, but be that coded lock and lockset are that branch is arranged basically, promptly independent separately, when its number is stirred, the weight feel is arranged, and whether the available sense of hearing is differentiated number and is aligned, so easy stolen unlocking tool, though the vertical and horizontal locking bar is arranged on security door, but vertically locking bar is to drive by linkage, and its flexibility is relatively poor, stuck phenomenon usually occurs.

The object of the present invention is to provide a kind of coded lock and lock core coupling to drive the vertical and horizontal locking bar, and have and prevent to bore lock core and the safe-guard door lock of lock core stopple foreign material.

The present invention finishes with following mode: safe-guard door lock is included in lock core 3 is housed on the lock body 1, in lock body 1, be connected in the rotating shaft of lock core 3 dislocation gear 13 and gear 14 are housed, gear 13 pinion racks 6, gear 14 pinion racks 4, tooth bar 6 connects push pedal 15, horizontal locking bar 9 vertically is housed in push pedal 15, tooth bar 4 connects dead bolt 8, between dead bolt 8 and push pedal 15, spring 16 is housed, both sides on lock body 1 are equipped with slideway 19 respectively, the hypotenuse that hypotenuse slide block 20 is housed in slideway 19 leans the side of push pedal 15, on hypotenuse slide block 20, be connected with vertical locking bar 21 and installing return spring 22, on lock body 1,, a deep trouth 23 arranged on Positioning Gear 1 with axle installing digit wheel 2 and in-line gears 10 engagement Positioning Gears 11, vertically there being location tooth bar 7 teeth to be embedded on the Positioning Gear 11 on the tooth bar 6, lock-protector 24 is housed at lock body 1 front end.On the axle of Positioning Gear 11 rear side that numerical selection adjusting rod 12 stretches to lock body 1 is housed, between Positioning Gear 11 and lock body 1 numerical selection return spring 17 is arranged, the steel ball roof pressure that is installed in the digit wheel locating assembly 18 in the lock body 1 is on Positioning Gear 11.Digit wheel 2 has more than 2, and each digit wheel 2 drives Positioning Gear 11 of a gear 10 engagements respectively.The horizontal locking bar 9 that vertically is installed in the push pedal 15 has two both sides that are positioned at dead bolt 8.Small electric bulb 5 is housed on the lock body above the digit wheel 21, and its switch is by the boss roof pressure in the rotating shaft of lock core 3, and doorbell is housed and is contained in doorbell switch on the lock-protector 24.Lock-protector 24 is to have lock core 3 and digit wheel 2 on the aperture of door 26 corresponding lock bodies 1 by shell 25 middle parts, lock cap 27 is equipped with spring hinge 31 in aperture of door 26 places on shell 25, on lock cap 27 limits, snap close 28 is arranged, porose on the snap close 28, end at shell 25 is equipped with additional lock core 29, in eccentric hole of being equipped with on the locking bar 30 aligning snap closes 28 in additional lock core 29 rotating shafts.Lock core 2 is cross lock core or common lock core.

Safe-guard door lock of the present invention is owing to adopt number control to cooperate coupling to drive vertical and horizontal locking bar and dead bolt with cross lock core, make that this lock must be at number accurately and have under the situation of cross key, just can unblank and the vertical and horizontal locking bar has more safety, how sequencable the more password number of its digit wheel be just many more, its theftproof performance is just good more, when adopting the deep trouth that has only on several Positioning Gears to be in the straight line position simultaneously owing to its again, the location tooth bar could pass through Positioning Gear, could drive tooth bar with key rotation lock core and move locking bar and dead bolt this moment, with door-lock opening, so there is not definite feel during its dialing, also can't differentiate the password correctness with the sense of hearing, lock-protector is equipped with in front at this lock, can prevent with lock core brill evil idea and with door-lock opening, also the main lock core hole is covered in simultaneously anti-detent plug foreign matter, protect additional lock core hole on the device and fill in foreign material and also do not influence and open lock cap.This safe-guard door lock has compact conformation, and switch is flexible, and the theftproof of lockset is strong, and it can be used in bank vault widely, safety cabinet and warehouse and civilian burglary insurance.

Fig. 1 is a front view of the present invention

Fig. 2 is an A-A sectional view of the present invention

Fig. 3 is a B-B sectional view of the present invention

Fig. 4 is a C-C sectional view of the present invention

Fig. 5 is the D-D sectional view of lock-protector 24

The present invention is further detailed explanation below in conjunction with accompanying drawing:

As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, safe-guard door lock of the present invention is by lock body 1 supporting whole parts to be installed, in the front of lock body 1 lock-protector 24 is housed, in the aperture of door 26 of lock-protector 24, cross lock core 3 is arranged, number digit wheel 2 and small electric bulb 5, present embodiment only has four groups of digit wheels 2 for example, many group digit wheels 2 can be arranged certainly, on each digit wheel 2, there are 12 digital correspondences that gear 10 coaxial being installed on the lock body 1 of 12 teeth groove are arranged, as shown in Figure 2, digit wheel 2 combines as a whole with gear 10, gear 10 and Positioning Gear 11 engagements, when stirring digit wheel 2, then gear 10 drives Positioning Gear 11 rotations, Positioning Gear 11 also has 12 teeth groove, a deep trouth 23 is arranged on Positioning Gear 11, and as shown in Figure 3, deep trouth 23 is important parts that this lockset opens and closes and numerical selection is located.The rear side that numerical selection adjusting rod 12 stretches to lock body 1 also is installed in that Positioning Gear 11 is coaxial, this numerical selection adjusting rod 12 also can be a lock core, regulate return spring 17 and be between Positioning Gear 11 and the lock body 1 in that numerical selection also is housed on the axle, they are parts of the numerical selection or the number of changing, during numerical selection, only needing to promote adjusting rod 12 drive Positioning Gears 11 moves, and disengaging gear 10, stir digit wheel 2 to the predetermined number place, unclamp adjusting rod 12, Positioning Gear 11 return under return spring 17 effects meshes with gear 10 again, promptly finishes the numerical selection or the number of changing.Above the Positioning Gear 11 lock body 1 on digit wheel locating assembly 18 is housed, it is made up of spring and steel ball, and steel ball embeds in the teeth groove of Positioning Gear 11, when stirring digit wheel 2 under the spring force effect naturally, overcoming spring force could rotate, thereby number is stabilized on the position.On the lock body 1 installing cross lock core 3 be in digit wheel 2 below, there are front and back dislocation installing gear 13 and gear 14 in the middle part and the end that are connected the rotating shaft on the cross lock core 3, gear 13 pinion racks 6, gear 14 pinion racks 4, as shown in Figure 3, tooth bar 4 bending backs connect dead bolt 8, tooth bar 6 connects push pedal 15, two horizontal locking bars 9 vertically are housed in push pedal 15, two horizontal locking bars 9 are in the both sides of dead bolt 8 respectively, between dead bolt 8 and push pedal 15, spring 16 is housed, slideway 19 is housed respectively on lock body 1 two side to be communicated with inside and outside lock body 1, as shown in Figure 4, hypotenuse slide block 20 is housed in slideway 19, the hypotenuse of hypotenuse slide block 20 is in the side that leans in the lock body 1 in push pedal 15, but roof pressure hypotenuse slide block 20 moves in slideway 19 when push pedal 15 moves forward and backward, being in lock body 1 outside on hypotenuse slide block 20 is connected with vertical locking bar 21 and return spring 22 is housed, vertical locking bar 21 of lock body 1 both sides can move around under the effect of hypotenuse slide block 20 and return spring 22, in that vertically being housed on the tooth bar 6, location tooth bar 7 teeth are embedded on the Positioning Gear 11, have only when stirring digit wheel 2 at setting code, when making deep trouth 23 on each Positioning Gear 11 be in same linear position under the tooth bar 7 of location, location tooth bar 7 ability move left and right, also be that this hour rack 6 could move at cross lock core 3 driven gears 13 rotating band carry-over bars 6, two horizontal locking bars 9 and vertical locking bar 21 are moved, promptly open or close lockset, otherwise when the password number on the digit wheel 2 is incorrect, deep trouth 23 on the Positioning Gear 11 is not on same straight line, this hour rack 7 can not move, and also promptly can not open or close lockset.In the front of lock body 1 lock-protector 24 is housed, as Fig. 1, Fig. 3, shown in Figure 5, lock-protector 24 is that the middle part by shell 25 has aperture of door 26 correspondences at cross lock core 3 and digit wheel 2 places, aperture of door 26 places on shell 25 install lock caps 27 with spring hinge 31, another side at lock cap 27 has snap close 28, a porose end at shell 25 is equipped with additional lock core 29 on snap close 28, in eccentric hole of being equipped with on the locking bar 30 aligning snap closes 28 in the rotating shaft of additional lock core 29, the additional lock core 29 drive locking bars 30 of rotation can withstand or take off the hole on the high snap close 28, can make to cover under the elastic force effect of the lock cap on the aperture of door 26 27 and open aperture of door at spring hinge 31, also promptly open main cross lock core 3 and digit wheel 2, it can play the effect of the main cross lock core 3 of protection, prevent to bore lock core 3 and in the lockhole of lock core 3, fill in foreign material, small electric bulb 5 is housed above digit wheel 3, can throw light on and stir digit wheel 3, the switch of small electric bulb 5 can be used the boss roof pressure switch on the lock core 3, and on lock-protector 24 shells 25, doorbell switch being housed, power supply is provided by battery.

Claims

1. safe-guard door lock, it is included in lock core [3] is housed on the lock body [1], it is characterized in that in lock body [1], being connected in the rotating shaft of lock core [3] dislocation gear [13] and gear [14] are housed, gear [13] pinion rack [6], gear [14] pinion rack [4], tooth bar [6] connects push pedal [15], horizontal locking bar [9] vertically is housed in push pedal [15], tooth bar [4] connects dead bolt [8], between dead bolt [8] and push pedal [15], spring [16] is housed, both sides on lock body [1] are equipped with slideway [19] respectively, the hypotenuse that hypotenuse slide block [20] is housed in slideway [19] leans the side of push pedal [15], on hypotenuse slide block [20], be connected with vertical locking bar [21] and installing return spring [22], go up with axle installing digit wheel [2] and in-line gears [10] engagement Positioning Gear [11] at lock body [1], a deep trouth [23] is arranged on Positioning Gear [1],, lock-protector [24] is housed at lock body [1] front end vertically there being location tooth bar [7] tooth to be embedded on the Positioning Gear [11] on the tooth bar [6].

2. according to the described safe-guard door lock of claim 1, it is characterized in that Positioning Gear [11] the axle on the rear side that numerical selection adjusting rod [12] stretches to lock body [1] is housed, between Positioning Gear [11] and lock body [1] numerical selection return spring [17] is arranged, the steel ball roof pressure that is installed in the digit wheel locating assembly [18] in the lock body [1] is on Positioning Gear [11].

3. according to the described safe-guard door lock of claim 1, it is characterized in that digit wheel [2] has more than 2, each digit wheel [2] drives a gear [a 10] engagement Positioning Gear [11] respectively.

4. according to the described safe-guard door lock of claim 1, the horizontal locking bar [9] that it is characterized in that vertically being installed in the push pedal [15] has two both sides that are positioned at dead bolt [8].

5. according to the described safe-guard door lock of claim 1, it is characterized in that on the lock body [1] of digit wheel [2] top, small electric bulb [5] being housed, its switch is by the boss roof pressure in the rotating shaft of lock core [3], and doorbell is housed and is contained in doorbell switch on the lock-protector [24].

6. according to the described safe-guard door lock of claim 1, it is characterized in that lock-protector [24] is by the lock core [3] and the digit wheel [2] that have in the middle part of the shell [25] on the corresponding lock body of aperture of door [26] [1], aperture of door [26] on shell [25] is located with spring hinge [31] lock cap [27] to be housed, on lock cap [27] limit, snap close [28] is arranged, snap close [28] is gone up porose, end at shell [25] is equipped with additional lock core [29], and off-centre is equipped with the hole on locking bar [30] the aligning snap close [28] in additional lock core [29] rotating shaft.

7. according to the described safe-guard door lock of claim 1, it is characterized in that lock core [2] is cross lock core or common lock core.