CN201428295Y

CN201428295Y - Lock

Info

Publication number: CN201428295Y
Application number: CN2009201639322U
Authority: CN
Inventors: 吴云龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-07-10
Filing date: 2009-07-10
Publication date: 2010-03-24
Anticipated expiration: 2019-07-10

Abstract

The utility model relates to a lock which comprises a lock sleeve and a lock pin assembled into the lock sleeve, wherein the lock pin is matched with a key which can be inserted into the lock, a row of striking flake groups are arranged on the lock pin on the direction vertical to the axial cord, and chutes corresponding to a row of striking flake groups are arranged on the inner wall of the locksleeve along the axial cord direction of the lock pin, and a row of striking flake groups are clamped into the chutes when the key is not inserted into a keyhole, and are contracted into the lock pinwhen the key is inserted into the key hole. The lock of the utility model has simple structure, convenient disassembly of the lock pin and low cost, is applicable to lock pins of various locks, particularly can prevent water and breakage, and can avoid breaking the key better when the key is used to unlock.

Description

A kind of lockset

Technical field

The utility model relates to a kind of lockset, particularly relates to a kind of lockset that makes things convenient for the lock core dismounting.

Background technology

At present, lockset is an indispensable safety protective tools in people's daily life.In the prior art, no matter be electronic lock or mechanical lock, all in design, pay close attention to the safety and the loaded down with trivial details property problem of lock, yet, in the existing mechanical lock, because its inherent structure is similar, generally all adopt as the patent No. " ZL200820087243.3 ", name is called the structure of announcing in the Chinese utility model patent of " a kind of lock structure of axial cylinder ", utilize pellet shot from a slingshot to cooperate and reach the purpose of unblanking with key, though it has reduced the mutual opening rate between the same lockset, and can guarantee interchangeability with other lock core, still, because its complex structure, the dismounting of inconvenient lock core, and after lock core was run into aquatic rust, pellet shot from a slingshot was not easy to slide, and twists off key with the key rotary locking cylinder time easily.

The utility model content

(1) technical problem that will solve

Technical problem to be solved in the utility model provides a kind of lockset for convenience detach, and solves the problem that lock core waterproof, tamper-proof and key are rotated easy fracture.

(2) technical scheme

In order to solve this technical problem, the utility model is taked following technical scheme:

A kind of lockset provided by the utility model, comprise lock tube and be fitted to the interior lock core of described lock tube, described lock core is supporting have can with its key of plug-in mounting mutually, described lock core is perpendicular to having row's shell fragment group on its direction of axis line, each the shell fragment center in described row's shell fragment group offers the perforate corresponding with the profile of tooth of key relevant position to form the described key of keyhole plug-in mounting; The inwall upper edge lock core direction of axis line of described lock tube offers and the corresponding chute of described row's shell fragment group, described row's shell fragment group snaps in the described chute at described key when plug-in mounting is not gone into keyhole, when described key plug-in mounting is gone into keyhole in the described lock core of retraction, utilizing the shell fragment group to cooperate with key with realization unblanks, not only make things convenient for lock core dismounting, and the phenomenon of fracture takes place in the key rotation can well avoid unblanking the time.

Above-mentioned lockset, wherein, described shell fragment group comprises that a plurality of shell fragments and a plurality of center have the partition in hole, shell fragment is spaced with partition and links to each other to form described row's shell fragment group by magnet, described lock core is provided with breach, described row's shell fragment group is placed in the described breach, and corresponding each shell fragment position is provided with the back-moving spring of conflicting with shell fragment in the described breach, and back-moving spring makes shell fragment not snap in the described chute when plug-in mounting is gone into keyhole at described key.

Above-mentioned lockset, wherein, offer on the described lock core and penetrate a plurality of shell fragments hole that the lock core wall connects keyhole and lock core external surface, a corresponding ccontaining shell fragment in each shell fragment hole, to form described row's shell fragment group, and also ccontaining one back-moving spring of conflicting with shell fragment in each shell fragment hole, back-moving spring makes shell fragment not snap in the described chute when plug-in mounting is gone into keyhole at described key.Above-mentioned lockset wherein, has a clip end face away from the key insertion end on the described lock tube, shell fragment that inserts away from key in described a plurality of shell fragment is corresponding with described clamping end face, after lock core was fitted into lock tube, this shell fragment and clip end face clip came off from lock tube to prevent lock core.

Above-mentioned lockset, wherein, the relative key insertion end of described lock core has the cushion cap of extending out, and described extending out is provided with a dustproof catch in the cushion cap, can cooperate the use of lockset better, prevents to destroy thing and enters.

Above-mentioned lockset, wherein, described dustproof catch is arranged on described stating by a torsion spring and a bearing pin and extends out in the cushion cap, like this, after key was extracted, dustproof sheet resetted under the torsion spring effect, to prevent that destroying thing enters in the keyhole, plays lock core waterproof, vandal-proof purpose well.

Above-mentioned lockset, wherein, the rear end of described lock core has an outrigger shaft, and the axle center of the described relatively lock core in the axle center of described outrigger shaft has an offset distance, unblanks with Key.

(3) beneficial effect

1, lock core utilizes the shell fragment group to cooperate with key with realization and unblanks perpendicular to row's shell fragment group is set on the lock core direction of axis line, and the lockset compared to the pellet shot from a slingshot cooperation key unlocking of prior art has advantage simple in structure, that lock core is for convenience detach.

2, the keyhole perforate of being offered by each the shell fragment center in the shell fragment group to be to form, and after key inserted keyhole, unblanking, the phenomenon of fracture took place in the key rotation in the time of well avoiding unblanking in the shell fragment group retraction lock core.

3, lock core is positioned at the outer end of lock tube for extending out cushion cap, extends out to be provided with a dustproof catch in the cushion cap, can better prevent to destroy thing and enter.

Description of drawings

Fig. 1 is the STRUCTURE DECOMPOSITION figure of the lockset of the utility model first embodiment;

Fig. 2 is the sectional view that lock core cooperates with lock tube when not inserting key;

Fig. 3 is the sectional view that lock core cooperates with lock tube when inserting key unlocking;

Fig. 4 closes schematic diagram for lock core and the shell fragment assembly of the utility model second embodiment;

Fig. 5 is the front view of the partition among the utility model second embodiment.

Among the figure, 1, lock core, 11, keyhole, 12, the shell fragment hole, 121, through hole, 122 stepped holes, 13, outrigger shaft, 14, extend out cushion cap, 15, breach, 16, axle, 161, plane, 2, lock tube, 21, chute, 22, the clip end face, 3, one row's shell fragment group, 31, shell fragment, 311, perforate, 32, partition, 321, the hole, 322, opening, 33, the magnetic pin, 4, key, 5, back-moving spring, 6, dustproof catch, 7, torsion spring, 8, bearing pin, 9, Lock cylinder cover.

The specific embodiment

Following examples are used to illustrate the utility model, but are not used for limiting protection domain of the present utility model.

Embodiment 1

Consult Fig. 1, Fig. 2 and Fig. 3, a kind of lockset provided by the utility model, comprise lock core 1, lock tube 2 and key 4, lock core 1 is fitted in the lock tube 2, the lock core center has keyhole 11, this keyhole 11 is used for the plug-in mounting key supporting with it 4, also offer on the lock core 1 and penetrate a plurality of shell fragments hole 12 that the lock core wall connects keyhole 11 and lock core external surface, each shell fragment hole 12 is made up of a through hole 121 and a stepped hole 122, through hole 121 corresponding ccontaining shell fragments 31, shell fragment 31 centers offer the perforate corresponding with key 311, stepped hole 122 corresponding ccontaining back-moving springs 5, shell fragment 31 resists with back-moving spring 5, these a plurality of shell fragments 31 form row's shell fragment group 3, keyhole 11 is corresponding with the perforate 311 at shell fragment 31 centers, the shape of the perforate 311 at each shell fragment center is all inequality, to adapt to the profile of tooth of key, inwall upper edge lock core 1 direction of axis line of lock tube 2 offers chute 21, the one row shell fragment groups 3 corresponding with row's shell fragment group 3 and snaps in the chute 21 when plug-in mounting is not gone into keyhole 11 at key 4, in key is inserted 4 lock cores of retraction when packing keyhole 11 into 1.

In order to prevent that lock core 1 from coming off from lock tube 2, has a clip end face 22 away from the key insertion end on the lock tube 2, shell fragment that inserts away from key in a plurality of shell fragments is corresponding with clip end face 22, after lock core 1 is fitted into lock tube 2, this shell fragment and clip end face 22 clips under the effect of back-moving spring 5 come off from lock tube 2 to prevent lock core 1.The relative key insertion end of lock core 1 has the cushion cap of extending out 14, extend out and be provided with a dustproof catch 6 in the cushion cap 14, the catch 6 that should prevent dust is arranged on by a torsion spring 7 and a bearing pin 8 and extends out in the cushion cap 14, and, this extends out cushion cap 14 and also cooperates a Lock cylinder cover 9, and the center of this Lock cylinder cover also has the hole that is beneficial to the key insertion.

The rear end of lock core 1 has an outrigger shaft 13, and the axle center of the relative lock core 1 in the axle center of this outrigger shaft 13 has an offset distance, and the rear end of outrigger shaft 13 has the axle 16 with the lock pin coaxial heart, and the axial plane of axle 16 is provided with plane 161, unblanks with Key.

Continue to consult Fig. 2 and Fig. 3, operating principle of the present utility model is: when not inserting key in lock core, each shell fragment 31 in the shell fragment group 3 exceeds the outer wall of lock core 1 under the effect of each self-corresponding back-moving spring 5, the raised area snaps in the chute 21, at this moment, even insert the key not corresponding with keyhole, because the profile of tooth of key is not corresponding with the hole shape of shell fragment, have in the incomplete retraction lock core of shell fragment, snap in the chute 21 with can not rotary locking cylinder and exceed a part, have only when the key that inserts and keyhole at once, (see figure 3) in all shell fragment retraction lock cores of shell fragment group 3, screw key can drive the outrigger shaft 13 and the axle 16 of lock core rear end, to reach the purpose of unblanking.

Embodiment 2

Consult Fig. 4, the structure of the lock structure of this embodiment and embodiment 1 is similar, uniquely different be: shell fragment group 3 comprises that a plurality of shell fragments 31 and a plurality of center have the partition 32 in hole 321, this hole 321 is different from the perforate 311 on the shell fragment 31, this hole 321 does not need corresponding with the profile of tooth of key relevant position, but the size in this hole needs enough keys to pass, do not touch with on the key toe joint.Shell fragment 31 is spaced with partition 32 and links to each other to form row's shell fragment group by magnet, this magnet is a magnetic pin 33, the size of partition 32 or thickness is limitation not, needs only when it packs lock core into, does not exceed lock core and can play two adjacent shell fragments 31 of separation to get final product.Consult Fig. 5, magnetic pin 33 is arranged in the opening 322 of partition 32, certainly, also needs to be provided with opening on the circumference of shell fragment 31.The setting of row's shell fragment group for convenience, lock core 1 is provided with breach 15, one row's shell fragment group is placed in the breach 15, and the structure of corresponding each shell fragment position is identical with the shell fragment hole 12 among the embodiment 1 in the breach 15, and needs to be provided with the back-moving spring (not shown) that resists with shell fragment equally.Other structure of this embodiment is identical with the structure of first embodiment, and its unlocking action and unblank principle too, just seldom does at this and gives unnecessary details.

Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.

Claims

1, a kind of lockset, comprise lock tube and be fitted to the interior lock core of described lock tube, described lock core is supporting have can with its key of plug-in mounting mutually, it is characterized in that, described lock core is perpendicular to having row's shell fragment group on its direction of axis line, each the shell fragment center in described row's shell fragment group offers the perforate corresponding with the profile of tooth of described key relevant position to form the described key of keyhole plug-in mounting; The inwall upper edge lock core direction of axis line of described lock tube offers and described row's shell fragment group corresponding chute, and described row's shell fragment group snaps in the described chute at described key when plug-in mounting is not gone into keyhole, when described key plug-in mounting is gone into keyhole in the described lock core of retraction.

2, lockset according to claim 1, it is characterized in that, offer on the described lock core and penetrate a plurality of shell fragments hole that the lock core wall connects keyhole and lock core external surface, a corresponding ccontaining shell fragment in each shell fragment hole, forming described row's shell fragment group, and each shell fragment hole in also ccontaining one and the back-moving spring of shell fragment conflict.

3, lockset according to claim 1, it is characterized in that, described shell fragment group comprises that a plurality of shell fragments and a plurality of center have the partition in hole, shell fragment is spaced with partition and links to each other to form described row's shell fragment group by magnet, described lock core is provided with breach, described row's shell fragment group is placed in the described breach, and corresponding each shell fragment position is provided with the back-moving spring of conflicting with shell fragment in the described breach.

4, according to claim 2 or 3 described locksets, it is characterized in that having a clip end face away from the key insertion end on the described lock tube, the shell fragment that inserts away from key in described a plurality of shell fragments is corresponding with described clamping end face.

5, lockset according to claim 4 is characterized in that, the relative key insertion end of described lock core has the cushion cap of extending out, and described extending out is provided with a dustproof catch in the cushion cap.

6, lockset according to claim 5 is characterized in that, described dustproof catch is arranged on described stating by a torsion spring and a bearing pin and extends out in the cushion cap.

7, lockset according to claim 6 is characterized in that, the rear end of described lock core has an outrigger shaft, and the axle center of the described relatively lock core in the axle center of described outrigger shaft has an offset distance.