CN202672867U - Double anti-theft lock - Google Patents

Double anti-theft lock Download PDF

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Publication number
CN202672867U
CN202672867U CN 201220385492 CN201220385492U CN202672867U CN 202672867 U CN202672867 U CN 202672867U CN 201220385492 CN201220385492 CN 201220385492 CN 201220385492 U CN201220385492 U CN 201220385492U CN 202672867 U CN202672867 U CN 202672867U
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CN
China
Prior art keywords
key
lock
marble hole
pin tumbler
marble
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Expired - Lifetime
Application number
CN 201220385492
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Chinese (zh)
Inventor
朱阿静
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Individual
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Individual
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Priority to CN 201220385492 priority Critical patent/CN202672867U/en
Application granted granted Critical
Publication of CN202672867U publication Critical patent/CN202672867U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a double anti-theft lock, which is mainly characterized in that a lock cylinder is provided with a chute; a third pin tumbler hole is formed in the same straight line of a first pin tumbler hole of the lock cylinder and is communicated with the chute; a third pin tumbler is arranged in the third pin tumbler hole; a fifth pin tumbler hole corresponding to the third pin tumbler hole is formed in a lock case; a sliding block is arranged in the chute and is provided with a fourth pin tumbler hole; a fourth pin tumbler is arranged in the fourth pin tumbler hole; taper holes of different depths are formed in the side face of the sliding block; a key comprises a first key, a second key and a third key; the key rod of the first key is provided with a hook; and the key rod of the second key is longer than that of the third key. According to the double anti-theft lock of the structure, a manager further adds an anti-theft layer for the lock by using the second key, in order to prevent the lock from being opened by the third key which is stolen or lost and avoid the loss of properties. Therefore, the double anti-theft lock can be widely applied to wardrobes in a sauna room, a swimming pool and a gymnasium.

Description

Dual anti-theft lock
Technical field
The utility model relates to a kind of five metals lockset, particularly be a kind of lockset for sauna house, gymnasium.
Background technology
Lock structure is various, wherein is no lack of the high lockset of theftproof performance.For the locker of sauna house, gymnasium, swimming pool, the lock structure of use is generally all fairly simple, and its theftproof performance is relatively poor, use the high lockset of theftproof performance, and its expense is larger.The general lockset that is used for sauna house, gymnasium, the user gets a key, and key of manager's keeping, this is for convenient management.Number it is No. 200610166882.4 such as Chinese patent application, name is called " primary and secondary keys double-opening lockset " and discloses following content: a kind of lockset of primary and secondary keys double-opening, include sub-key, mother key, locking plate more than at least three, lock housing and lock core, be provided with the groove that can hold locking plate at lock core, be provided with on the described locking plate and wear mouth, it is corresponding with the keyhole on the lock core that this wears mouth, outside one side of locking plate has outstanding step, after placing spring, step places together in the groove of lock core, it is characterized in that the side that group interior every locking plate lockset is worn mouthful is provided with first step, the first step high and low position of every locking plate and the tartar of mother key are complementary, every mouthful opposite side of wearing the lockset locking plate is provided with second step in the group, and the high and low position of this second step is complementary with son tartar on the key.The lockset of this structure, although made things convenient for management,, its theftproof performance is relatively poor, when the user careless, key is stolen or lose and picked up, just at an easy rate lockset is opened, cause client's damage to property of sauna house or gymnasium.
Summary of the invention
In view of the deficiency that background technology exists, the technical problems to be solved in the utility model provides a kind of dual anti-theft lock that adds layer anti-theft feature that has.
For this reason, the utility model adopts following technical scheme to realize: a kind of dual anti-theft lock, comprise lock housing, lock core and key, described lock core places in the described lock housing, the both sides of described lock core are provided with the first marble hole, be provided with corresponding the first pellet in described the first marble hole, described lock housing is provided with second marble hole corresponding with the first marble hole of lock core, in the second marble hole, be provided with the second spring, it is characterized in that described lock core is provided with chute, the same straight line of the first marble hole is provided with the 3rd marble hole on lock core, the 3rd marble hole communicates with described chute, and in the 3rd marble hole, is furnished with the 3rd pellet, simultaneously be provided with five marble hole corresponding with described the 3rd marble hole in lock housing, be provided with slide block in the described chute, described slide block is provided with the 4th marble hole, and in the 4th marble hole, be provided with the 4th pellet, be provided with deep mixed bellmouth in the side of described slide block, described key comprises the first key, the second key and the 3rd key, the key bar of described the first key is provided with drag hook, and the key bar of described the second key is longer than the key bar of the 3rd key.
Also be provided with marble sleeve in described the 4th marble hole, be provided with the second spring in described marble sleeve, described the 4th pellet places in the described marble sleeve.
This structure of the present utility model; adopt the second key, slide block is promoted at lock core, so that the 3rd pellet places in the bellmouth more shallow on the slide block; the part of such the 3rd pellet is on the lock core; another part is on the lock housing, and inserting any key can not rotational lock core, therefore; just lockset is added layer antitheft; improved theftproof performance, can be widely used on the locker of sauna house, gymnasium and swimming hall, client's property has effectively been protected.
Description of drawings
The below further describes details of the present utility model more by reference to the accompanying drawings.
Fig. 1 is STRUCTURE DECOMPOSITION figure of the present utility model;
Fig. 2 is that the utility model adds the structure chart of layer after antitheft;
Fig. 3 is that the utility model adopts the releasing of the first key to add the antitheft structure chart of layer;
Fig. 4 is the structure chart that the utility model adopts the 3rd key to use.
The specific embodiment
With reference to accompanying drawing, this dual anti-theft lock, comprise lock housing 1, lock core 4 and key, described lock core 4 places in the described lock housing 1, the both sides of described lock core 4 are provided with the first marble hole 7, be provided with corresponding the first pellet 8 in described the first marble hole 7, described lock housing 1 is provided with second marble hole 3 corresponding with the first marble hole 7 of lock core 7, in the second marble hole 3, be provided with the second spring 9, described lock core 4 is provided with chute 10, the same straight line of the first marble hole 7 is provided with the 3rd marble hole 5 on lock core 4, the 3rd marble hole 5 communicates with described chute 10, and in the 3rd marble hole 5, is furnished with the 3rd pellet 6, simultaneously be provided with five marble hole 2 corresponding with described the 3rd marble hole 5 in lock housing 1, be provided with slide block 13 in the described chute 10, this slide block 13 is chute 10 interior can movements, described slide block 13 is provided with the 4th marble hole 14, and in the 4th marble hole 14, be provided with the 4th pellet 11, also be provided with marble sleeve 17 in described the 4th marble hole 14, in described marble sleeve 17, be provided with the second spring 16, described the 4th pellet 11 places in the described marble sleeve 17, like this, the 4th pellet 11 can move up and down in the 4th marble hole 14, be provided with two deep mixed bellmouths 12 in the side of described slide block 13,15, described key comprises the first key 20, the second key 21 and the 3rd key 22, the key bar 19 of described the first key 20 is provided with drag hook 18, and the key bar 23 of key bar 26 to the three keys 22 of described the second key 21 is long.Lockset of the present utility model, in use, giving the client with the 3rd key 22 uses, the first key 20 and the second key 21 are handed over administrator's management, before the administrator gives the client with the 3rd key 22, use first the first key 20, behind the first key 20 insertion lock cores, the head of its drag hook 18 is depressed first the 4th pellet 11 and is continued to push, after putting in place, because the elastic force effect of the second spring 16, again the 4th pellet 11 is upwards promoted, catch on the 4th pellet 11 by drag hook 18, then spur first and push away key 20, drag hook 18 catches on the 4th pellet 11 band movable sliders 13 in chute 10 interior movements, after moving into place, drag hook 18 heads that spur the first key 20, the first keys 20 with a little bigger a little pulling force will be depressed the 4th pellet 11, and so that drag hook 18 break away from the 4th pellets 11 and pull out, at this moment, after slide block 13 moved, the 3rd pellet 6 of the 3rd marble hole 5 just slipped into bellmouth darker on the slide block 13 12, after the 3rd pellet 6 slips into darker bellmouth 12, the end face of the 3rd pellet 6 is concordant with the external surface of lock core 4, and then the user inserts lock core 4 with the 3rd key 22, just rotatable lock core 4, reach the purpose of unblanking, as shown in Figure 3.And after giving the client with the 3rd key 22, it is antitheft that the administrator can add layer to lockset, specifically operate like this: after the administrator inserts lock cores 4 with the second key 21, the key bar 23 of the second key 21 will promote slide block 13, after slide block 13 moves into place, the 3rd pellet 6 in the 3rd marble hole 5 will slip in the more shallow bellmouth 15, this moment, the 3rd pellet 6 parts were in the 3rd marble hole 5 of lock core 4, a part is in the 5th marble hole 2 of lock housing, just that lock core is locked, even insert the 3rd key 22, because the key bar 26 of key bar 23 to the second keys 21 of the 3rd key 22 is short, can't promote slide block 13, thereby can't unblank, only remain just can be unblanked after the administrator adopts above-mentioned method for unlocking with the first key 20.
This shows, structure of the present utility model is comparatively novel, and theftproof performance has increased significantly than common lockset, is used for the locker of sauna house, gymnasium and swimming pool, has better anti-theft effect for user's property.

Claims (2)

1. dual anti-theft lock, comprise lock housing, lock core and key, described lock core places in the described lock housing, the both sides of described lock core are provided with the first marble hole, be provided with corresponding the first pellet in described the first marble hole, described lock housing is provided with second marble hole corresponding with the first marble hole of lock core, in the second marble hole, be provided with the second spring, it is characterized in that described lock core is provided with chute, the same straight line of the first marble hole is provided with the 3rd marble hole on lock core, the 3rd marble hole communicates with described chute, and in the 3rd marble hole, is furnished with the 3rd pellet, simultaneously be provided with five marble hole corresponding with described the 3rd marble hole in lock housing, be provided with slide block in the described chute, described slide block is provided with the 4th marble hole, and in the 4th marble hole, be provided with the 4th pellet, be provided with deep mixed bellmouth in the side of described slide block, described key comprises the first key, the second key and the 3rd key, the key bar of described the first key is provided with drag hook, and the key bar of described the second key is longer than the key bar of the 3rd key.
2. dual anti-theft lock according to claim 1 is characterized in that also being provided with marble sleeve in described the 4th marble hole, is provided with the second spring in described marble sleeve, and described the 4th pellet places in the described marble sleeve.
CN 201220385492 2012-08-06 2012-08-06 Double anti-theft lock Expired - Lifetime CN202672867U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220385492 CN202672867U (en) 2012-08-06 2012-08-06 Double anti-theft lock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220385492 CN202672867U (en) 2012-08-06 2012-08-06 Double anti-theft lock

Publications (1)

Publication Number Publication Date
CN202672867U true CN202672867U (en) 2013-01-16

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Application Number Title Priority Date Filing Date
CN 201220385492 Expired - Lifetime CN202672867U (en) 2012-08-06 2012-08-06 Double anti-theft lock

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102777074A (en) * 2012-08-06 2012-11-14 朱阿静 Double-security lock
CN105370109A (en) * 2015-10-27 2016-03-02 钟立信 Safest multi-cylinder lock

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102777074A (en) * 2012-08-06 2012-11-14 朱阿静 Double-security lock
CN102777074B (en) * 2012-08-06 2014-08-20 朱阿静 Double-security lock
CN105370109A (en) * 2015-10-27 2016-03-02 钟立信 Safest multi-cylinder lock

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20130116

Effective date of abandoning: 20140820

RGAV Abandon patent right to avoid regrant