CN101343959B

CN101343959B - Bending type anti-theft lock

Info

Publication number: CN101343959B
Application number: CN2008103041169A
Authority: CN
Inventors: 韦建耀
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-08-20
Filing date: 2008-08-20
Publication date: 2011-12-07
Anticipated expiration: 2028-08-20
Also published as: CN101343959A

Abstract

The invention discloses a bend-type anti-theft lock. The bend-type anti-theft lock is characterized in that a key groove adopts a bending shape, the front end of a key core is nested with an auxiliary rotating handle, and a key notch is arranged on the auxiliary rotating handle; a limiting clipping part device is arranged at the part where the key core and the auxiliary rotating handle are connected; the key adopts a bending shape matched with the key groove, when the key notch of the auxiliary rotating handle is aligned with the key groove, the key can be inserted, after the key is inserted into the key groove, the auxiliary rotating handle is rotated, so the auxiliary rotating handle and the key notch are rotated sequentially, when the key leaves the key groove, the bend-type key is blocked by the auxiliary rotating handle to retain the key in the key groove, and after the auxiliary rotating handle is rotated to the limited angle of the limiting clipping part, the lock core is driven to be rotated, so the lock is unlocked. The invention has the advantages that when the lock is unlocked, the auxiliary rotating handle ensures the key groove to present the bending shape, a shifting object can not be shifted through non-matched keys and the other hard objects, so the lock can not be unlocked; the key core can not be rotated to break the clip by directly exerting violence to forcedly open the lock, therefore, the anti-theft and anti-violence purposes are achieved.

Description

Bending type anti-theft lock

Technical field

The present invention relates to a kind of theftproof lock, particularly a kind of key is the bending shape theftproof lock of bending shape.

Background technology

At present, the common feature of all mechanical locks is that human body is directly held key lock core is reversed, to open (or locking) lockset.Though this type of lockset cost is lower, convenience, the thief can dial with a bottle opener with once can directly grasping plectrum tool (being commonly called as master key) to the plectrum of locking son, and lockset is opened.And electric lockset, its password is easy crack relatively also, and cost and running cost be all than higher, and ordinary people can not consumed.The thief in the eyes, lockset performs practically no function.

Summary of the invention

Purpose of the present invention just provides a kind of human body of abandoning and directly holds key lock core is reversed, and changes into indirectly lock core being reversed and reaching antitheft purpose bending shape theftproof lock.

Solution of the present invention is such: the present invention includes lock core, lock body, plectrum, spring, clamp, lock body is provided with key, the front end of key is bending shape, be connected to the secondary handle that rotates with lock core at the front end sleeve of lock core, on secondary handle, have and bend the key notch that the shape key matches; Be provided with the limited block device in the junction of lock core and secondary handle; Used key is the bending shape of matching with key, after key inserts key, the revolute pair handle, key notch on the secondary handle rotates thereupon, makes key notch and key not on same straight line, and secondary handle blocks bending shape key, key is remained in the key, turn to the predetermined angle of limited block device when secondary handle after, drive lock core and rotate together, realize unblanking.

Advantage one of the present invention is when opening lock, and secondary handle makes key be bending shape, can't stir plectrum with non-equipped key and other hard objects, can not open lock, thereby reach antitheft purpose; The 2nd, can not inject keyhole with other hard objects such as bottle opener, directly do violence and reverse lock core and break clamp, open lock by force, thereby reach anti-riot purpose.

Description of drawings

Accompanying drawing is embodiments of the invention;

Accompanying drawing 1 is a lateral view of the present invention;

Accompanying drawing 2 is the positive front view of the present invention;

Accompanying drawing 3 is A-A sectional drawings;

Accompanying drawing 4 is the B-B sectional drawing;

Accompanying drawing 5 is C-C sectional drawings;

Accompanying drawing 6 is D-D sectional drawings;

Accompanying drawing 7 is to insert key to open D-D sectional drawing under the sub-state of lock;

Accompanying drawing 8 is E-E sectional drawings;

Accompanying drawing 9 is F-F sectional drawings under the original state;

Accompanying drawing 10 is to insert key F-F sectional drawing;

Accompanying drawing 11 is to insert key to open F-F sectional drawing under the sub-state of lock;

Accompanying drawing 12 is to insert key to open B-B sectional drawing under the sub-state of lock;

Accompanying drawing 13 is to insert key C-C sectional drawing;

Accompanying drawing 14 inserts key and opens C-C sectional drawing under the sub-state of lock;

Accompanying drawing 15 is key views of the present invention;

Accompanying drawing 16 is the positive front view of secondary handle;

Accompanying drawing 17 is secondary handle rear view;

Accompanying drawing 18 is secondary handle lateral plans;

Accompanying drawing 19 is secondary handle side oblique views;

Accompanying drawing 20 is secondary handle G-G sectional drawings;

Accompanying drawing 21 is schematic diagrames behind the key excision handle;

Accompanying drawing 22 is key bending place H-H sectional drawings;

Accompanying drawing 23 is I-I sectional drawings behind the key bending place excision handle.

The specific embodiment

In the accompanying drawing, the 1st, positive handle, the 2nd, lock body, the 3rd, lid, the 4th, plectrum, the 5th, key, the 6th, secondary handle, the 7th, screw, the 8th, groove, the 9th, projection, the 10th, lock core, the 11st, spring, the 12nd, clamp, the 13rd, key, the 14th, key notch, the 15th, keyhole.

Lock core 10, lock body 2, plectrum 4, spring 11, clamp 12 have been the present invention includes, lock body 2 is provided with key 5, the front end of key 5 is bending shape, be connected to the secondary handle 6 that rotates with lock core 10 at the front end sleeve of lock core 10, on secondary handle 6, have and bend the key notch 14 that shape key 5 matches; Junction at lock core 10 and secondary handle 6 is provided with the limited block device; Used key is the bending shape of matching with key 5, after key inserts key 5, revolute pair handle 6, key on the secondary handle 6 is rotated for 5 mouthfuls thereupon, makes key notch 14 and key 5 not on same straight line, and secondary handle 6 blocks bending shape key, key is remained in the key 5, after secondary handle 6 turns to the predetermined angle of limited block device, drive lock core 10 and rotate together, realize unblanking.

In the present embodiment, described limited block device is that the end face at lock core 10 has circular groove 8, and the projection 9 that is stuck in the groove 8 is arranged on secondary handle 6, and projection 9 is stuck in the groove 8, is undertaken spacing by the length of groove 8.

The front end of described lock core 10 is connected with lid 3, and described secondary handle 6 is between lock core end face and lid 3; Secondary handle 6 has an end protruding from lid 3 middle parts.Secondary handle 6 overhanging parts are connected with positive handle 1.

Lock core 10 son 12 and spring 11 that is installed, lock body 2 dress plectrum 4 and clamps 12, as shown in Figure 6.

Key 13 of the present invention is bending shape, as shown in figure 15.

In order to realize indirectly lock core 10 being reversed, a pair of groove 8 is established in the dead ahead of lock core 10, establish a secondary handle 6 that has two projections simultaneously in the dead ahead of lock core 10, two projections 9 on the secondary handle 6 interlock with two grooves 8 of lock core 10, as Fig. 5 and shown in Figure 9.Secondary handle 6 is with a lid 3 cappings.For the ease of reversing secondary handle 6, need establish a positive handle 1 in the front of lid 3 again, just, secondary handle is with a screw 7 nail catchers.Below secondary handle 6, have key notch 14, have keyhole 15 at lid 3 over against key 5 places, the key 5 front end bending places of lock body 2 equate with the cross section (as Figure 22) of keyhole 15, the key notch 14 of secondary handle 6 equates with cross section (as Figure 23) after handle is excised in key 13 bending places, make key 13 can freely insert in the lock body 2, and secondary handle 6 blocks key 5 when opening lock or locking, and makes key 5 be bending shape, and human body can not directly be stirred plectrum 4.In addition, for prevent artificially with violence just beating, secondary handle, projection 9 distortion on the secondary handle 6 are linked closely with lock core 10, human body can directly be stirred plectrum 4 by key notch 14, directly reverse lock core 10, have an opportunity to open lock, make the present invention lose ground, the degree of depth of groove 8 and cross section are respectively greater than the length and the cross section (as shown in Figure 9) of projection 9.Simultaneously, projection 9 is torqued into the distance on the left side of groove 8 or the right more than or equal to the key notch 14 of secondary handle 6 and the width of keyhole 15 on the lid 3 and lock body 2 key 5 from groove 8 central authorities.Be inserted under the key shape attitude (be called for short original state, down with) waiting, projection 9 is positioned at the central authorities of groove 8, as shown in Figure 5.When inserting keys 13 toward key 5, as shown in figure 10, during by the positive handle 1 of clockwise shearing, secondary handle 6 is followed rotation, and projection 9 is torqued into groove 8 limits from groove 8 central authorities, blocks projection 9, as shown in figure 13.Continue by the positive handle 1 of clockwise shearing, secondary handle 6 continues to follow rotation, and projection 9 promotes lock core 10 and follows rotation, until opening lock, as shown in Figure 7.At this moment, key 13 is stuck in the key 5, can not take out key 13, as shown in figure 11.When taking out key 13, get final product toward rotating counterclockwise positive handle 1, detailed process is with aforementioned opposite.Suppose to open lock with other hard objects, by the positive handle 1 of clockwise shearing, secondary handle 6 is followed rotation, simultaneously not on same straight line, key 5 is sealed for the key notch on the secondary handle 6 14 and key 5, and the road that leads to key 5 has only the key groove hole 15 of the lid 3 below the secondary handle 6, but because this road is bending shape, can't stir plectrum 4, can not open lock, thereby reach antitheft purpose.Single the diameter of clamp 12 is big more on anti-riot angle, and hardness is high more, number is many more, the thickness of key 13 more little (correspondingly, the width of key 5, key notch 14, keyhole 15 is more little), the thickness of secondary handle 6 and lid 3 is big more, and hardness is high more, and anti-riot performance of the present invention is just high more.Because the effect of key 13 only is to dial support clamp 12 and spring 11 among the present invention, unlike other mechanical locks, be that the twisting instrument reverses lock core 10 also with key 13, thereby the thickness of key 13 of the present invention can be made thinner, the width of key 5, key notch 14, keyhole 15 is also corresponding littler, can not inject keyhole 15 with other hard objects such as bottle opener, directly do violence and reverse lock core 10 and break clamp 12, open lock by force, thereby reach anti-riot purpose.

The present invention is that example describes with single face key and lock.In fact, key can be two-sided, three or multiaspect more, but as long as the key bending is bending shape, the lock body front is added with part and stops human body directly plectrum to be stirred, and all belongs within the scope of patent protection of the present invention.

Among Fig. 9, key 13 is inserted from keyhole 15, in key notch 14 through key 5, during toward the positive handle 1 of clockwise shearing, secondary handle 6 is followed rotation, and projection 9 is torqued into groove 8 limits from groove 8 central authorities, and projection 9 is stuck, as shown in figure 13.Continue by the positive handle 1 of clockwise shearing, secondary handle 6 continues to follow rotation, and projection 9 promotes lock core 10 and follows rotation, until opening lock, as shown in Figure 7.When taking out key 13, get final product toward rotating counterclockwise positive handle 1, detailed process is with aforementioned opposite.

When locking, key 13 is inserted from keyhole 15, in key notch 14 through key 5, as shown in figure 10, during toward the positive handle 1 of twisting counterclockwise, secondary handle 6 is followed rotation, and projection 9 is torqued into groove 8 limits from groove 8 central authorities, and projection 9 is stuck.Continue by the positive handle 1 of clockwise shearing, secondary handle 6 continues to follow rotation, and projection 9 promotes lock core 10 and follows rotation, until locking successfully.When taking out key 13, get final product toward clockwise rotating positive handle 1, detailed process is with aforementioned opposite.

Claims

1. one kind bends the shape theftproof lock, include lock core (10), lock body (2), plectrum (4), spring (11), clamp (12), it is characterized in that: lock body (2) is provided with key (5), the front end of key (5) is bending shape, is connected to the secondary handle (6) that rotates with lock core (10) at the front end sleeve of lock core (10); On secondary handle (6), have and bend the key notch (14) that shape key (5) matches, be provided with the limited block device in the junction of lock core (10) and secondary handle (6); Used key is the bending shape of matching with key (5), after key inserts key (5), revolute pair handle (6), key (5) mouth on the secondary handle (6) rotates thereupon, makes key notch (14) and key (5) not on same straight line, and secondary handle (6) blocks bending shape key, key is remained in the key (5), after secondary handle (6) turns to the predetermined angle of limited block device, drive lock core (10) and rotate together, realize unblanking.

2. bending shape theftproof lock according to claim 1, it is characterized in that described limited block device is that end face at lock core (10) has circular groove (8), the projection (9) that is stuck in the groove (8) is arranged on secondary handle (6), projection (9) is stuck in the groove (8), is undertaken spacing by the length of groove (8).

3. bending shape theftproof lock according to claim 2 is characterized in that the front end of described lock core (10) is connected with lid (3), and described secondary handle (6) is positioned between lock core end face and the lid (3); Secondary handle (6) has an end protruding from lid (3) middle part.

4. bending shape theftproof lock according to claim 3 is characterized in that the protruding part of secondary handle (6) is connected with positive handle (1).

5. bending shape theftproof lock according to claim 2 is characterized in that the degree of depth of groove (8) and cross section are respectively greater than the length and the cross section of projection (9).

6. bending shape theftproof lock according to claim 3 is characterized in that projection (9) is torqued into the left side of groove (8) or the right from groove (8) central authorities the distance width more than or equal to the key (5) of the key groove hole (15) of the key notch (14) of secondary handle (6) and lid (3) and lock body (2).