CN2139971Y - Hidden anti-stealing door lock - Google Patents

Abstract

The utility model is mainly used for a security door, which is the improvement of the existing theft proof door lock used in the society. Firstly, the hole of the lock body is changed by the utility model into a long seam and is decorated in the front of the hole of the door body, and the purpose of hiding is achieved. Secondly, the key and the process of switching the lock are improved, the key is not needed to rotate when the lock is switched, the key is inserted, and the lock can be opened. The utility model has the advantages of novel structure, low cost, high safety and good invisibility. The utility model is a new lockset device with convenience and practicality.

Description

Hidden anti-stealing door lock

The utility model belongs to lock device.Be mainly used in security door and also can be used for cabinet door and drawer.

Present employed billiards structure door lock is exposed on the door usually.It is by some pellet shot from a slingshot and key to be controlled closing of lock core and lock body and opening; Key is inserted lock core, and after rotating some angles, stir locking and opening that dead bolt is realized lock.This kind lock core permutation and combination is too simple, and lockset group number is limited.And the installation site of lockset comes into plain view.Be easy to be stretched into interior pressure of lock by the confirmed thief with steel wire or steel disc and touch, sledge pulls out, and very easily opens.The anti-theft feature of forfeiture lock.

The purpose of the utility model lock:

Type can be concealed in the installation site of first lockset; Promptly decorated with other object in the front of lock body.Just can stash the lock that is exposed to the outside.

Second can increase lockset group number in order to increase the safety of lock.

Structure of the present utility model is as shown in drawings: by key 1, and lock core 2, lock core cover 3, protecgulum 4, side cover 5, bonnet 6, push rod 7, pellet shot from a slingshot 8, marble spring 9, push rod spring 10, middle drive link 11, dead bolt 12, latch bolt spring 13, spring washer 14, dead bolt A15, dead bolt B16, cover body 17 is formed.

The moulding of the utility model key is a thin cuboid.As shown in Figure 1; At 1(A) in front end flute profile arranged.1(B) face has the counterbore that some are arranged by a typing shape.At 1(B) face should have an inclined-plane foremost.So that help the insertion of key.Lock core 2 is a rectangular build.As shown in Figure 5, the side at it has a rectangular build hole.┄ Here it is lock core hole.201 have foremost and the counterbore of key pellet shot from a slingshot hole one to one.Also have and on the key the corresponding pellet shot from a slingshot of flute profile hole at 202 front ends; The shape of lock core cover 3 is similar to the shape of lock 2.As shown in Figure 4: also be a rectangular build.Side at rectangular build has a slot--the position that Here it is installs lock core.203 of lock core 2 with lock core cover 301 contact.204 of lock core 2 with lock core cover 303 contact.Lock core 205 303 faces with lock core cover 3 be in same flat state.Lock core is covered with and lock core cover 2 mutual corresponding pellet shot from a slingshot holes.Push rod 7 is installed in the rectangular body opening of lock core cover, the front of lock core 2.206 of lock core 2 contact with 702 faces of push rod 7, and push rod spring 10 is housed on the push rod 7.One end of push rod spring 10 and 702 contact.Generally contact with the inner face of bonnet 6.Be equipped with on the protecgulum 4 and lock core 2 corresponding oblong aperture.Hole, one garden is arranged on the bonnet 6, the knock-pin that helps push rod 7 protecgulum 4 of coming in and going out, bonnet 6 side covers 5 all are separately fixed at 303 of lock core covers with hold-down screw, and 305, on 304.Push rod 7 contacts with middle drive link.Middle drive link 11 is as shown in Figure 9: 1101 of middle drive link 11 contact with the knock-pin head of push rod 7.1102 of middle drive link 11 with dead bolt 12 1201 contact.The component of dead bolt 12 are equipped with latch bolt spring 13 as shown in figure 11 on the dead bolt 12,1202 on an end of latch bolt spring 13 and the dead bolt 12 contact, and an end contacts with the one side of spring washer 14.In the front of spring washer 14 dead bolt A15 is housed.The component of dead bolt A15 as shown in figure 12, its end contacts with the one side of spring washer 14, the interior side contacts of an end and cover body 17.B16 on the dead bolt is housed in dead bolt A15, dead bolt B16 part drawing as shown in figure 13, on the dead bolt A15 1501 with dead bolt B on 1601 contact.1502 of dead bolt A15 with dead bolt B16 on 1602 contact.1603 circular grooves on the dead bolt B16 are to be used to allow lock body be in the device of normally open.

When key 1 inserts in the lock core hole, because key 1 head has the pellet shot from a slingshot that differs in length in some counterbores of arranging by definite shape and flute profile and the lock core hole corresponding mutually, make each pellet shot from a slingshot end be in same plane, promote key 1, driving lock core 2 advances, lock core 2 connects push rod 7, thereby push rod 7 is marched forward; Push rod 7 contacts 1101 of middle drive link 11, and 1101 towards advancing, and drives 1102 towards moving to right.1102 wear moving dead bolt 12, and dead bolt 12 moves right, thereby has opened door lock.When shutting, when key was extracted from lock core hole, dead bolt 12 was subjected to be moved to the left under the effect of spring force, thereby has closed dead bolt 12.Dead bolt 12 moves and has driven middle drive link 11, and middle drive link 11 is to pushing back moving push rod 7, and push rod 7 promotes lock core 2 and is in original state under the effect of spring force and middle drive link, thereby has closed lock.

But the characteristics of invisible antitheft door lock: simple in structure, at the bottom of the cost, security performance is good.Do not need to unblank key, shut and extract key and get final product.Lockhole is decorated with other object can reach stealthy purpose.

Annex is described as follows:

But Fig. 1 is the part drawing of concealed anti-theft door lock key.

But Fig. 2 is the assembling drawing of invisible antitheft door lock lock body.

But Fig. 3 is the structural representation of invisible antitheft door lock unlocking condition.

But Fig. 4 is the part drawing of invisible antitheft door lock core cover.

But Fig. 5 is the part drawing of invisible antitheft door lock core.

But Fig. 6 is the part drawing of concealed anti-theft door protecgulum.

But Fig. 7 is the part drawing of concealed anti-theft door bonnet.

But Fig. 8 is the part drawing of concealed anti-theft door push rod.

But Fig. 9 is the part drawing of drive link in the middle of the invisible antitheft door lock.

But Figure 10 is the part drawing of invisible antitheft door lock side cover.

But Figure 11 is the part drawing of invisible antitheft door lock dead bolt.

But Figure 12 is the part drawing of invisible antitheft door lock dead bolt A.

But Figure 13 is the part drawing of invisible antitheft door lock dead bolt B.

But Figure 14 is an invisible antitheft door lock scheme of installation.

Embodiment is as shown in the figure: the front counterbore of key is oblique 1 font to be arranged, and lock core 2 and lock core cover are corresponding one by one, also is oblique 1 font and arranges.Pellet shot from a slingshot hole in 303 of flute profile part and 202 of lock cores and the lock core covers is corresponding.The pellet shot from a slingshot hole that 202 of lock cores in this scheme and lock core cover are 302 is one.If the pellet shot from a slingshot hole is a plurality of, the distance between the hole, hole is greater than the advance distance of lock core 2.When key 1 inserted lock core hole, some counterbores of key 1 head and flute profile were corresponding mutually with the pellet shot from a slingshot of lock core 2 interior varying lengths, make each pellet shot from a slingshot end be in same plane.Continue to promote key 1, drive lock core 2 and advance; Lock core 2 connects push rod 7, the drive link 11 in the middle of push rod 7 contacts, and middle drive link 11 drives lock-tongue port, thus dead bolt 12 moves right, and makes lock be in open mode.When key was extracted lock core hole, under the effect of spring force, dead bolt 12 turned left, and has closed dead bolt 12, made lock core 2 be in original state, thereby had closed lock.

Claims (1)

1, lock device, by key 1, lock core 2, lock core cover 3, protecgulum 4, side cover 5, bonnet 6, push rod 7, push rod spring 10, middle drive link 11, dead bolt 12, latch bolt spring 13, spring washer 14, dead bolt A15, dead bolt B16, cover body 17 is formed,

Its characteristics are:

(1) 1＜B of key I〉in front end one counterbore of arranging by a typing shape is arranged, at 1＜A〉in front end profile of tooth is arranged,

(2) lock core 2. lock core covers 3. are a cuboid, cuboid one side has a cuboid hole, lock core 2 is installed in the cuboid hole of lock cover 3,203 of lock core 2 with lock core cover 3 301 contact, 204 of lock core 2 with lock core cover 3 302 contact, 205 303 faces with lock core cover of lock core 2 are in same flat state, and lock core cover 3 is corresponding one by one with the pellet shot from a slingshot hole in the lock core 2.

(3) push rod 7 is installed in the rectangular body opening of lock core cover 3, the front of lock core 2, and 206 of lock core 2 with push rod 701 contact, and push rod spring 10 is housed on the push rod 7, and an end of push rod spring 10 contacts with the inner face of bonnet 6,

(4) protecgulum 4, bonnet 6, and side cover 5 all is separately fixed at 303 of lock core covers with hold-down screw, and 305, on 304; Have on the protecgulum 4 and lock core 2 corresponding oblong aperture, have on the bonnet 6 and hole, the corresponding garden of the knock-pin of push rod 7.

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