CN2173832Y

CN2173832Y - Cabinet lock capable of replacing lock cylinder

Info

Publication number: CN2173832Y
Application number: CN 93217673
Authority: CN
Inventors: 陈明辉
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-07-09
Filing date: 1993-07-09
Publication date: 1994-08-10
Anticipated expiration: 2003-07-09

Abstract

The utility model relates to a cabinet lock whose lock core can be replaced, a lock core is arranged in a lock casing, a tongue sheet which can retract or spring under the action of a key is arranged on the lock core, inwards convex rail sheets are arranged in the lock casing with intervals along the circumference direction of an inner hole, inwards convex slot channels are arranged among rail sheets, a blocking sheet which can spring and extend and mutually acts with an inwards inserting bolt is arranged at the back end of the lock core, an inserting hole is arranged at the front part of the lock core, the front edges of the inwards convex rail sheets can block off eccentric inserting holes from the inner sides of the eccentric inserting holes, the latch can not be inserted in the inserting hole and press the blocking sheet before the lock core is rotated a definite angle, and the latch can be inserted and the lock core can be taken out only when a matching key is inserted and the lock core is rotated and the central passing slot arranged at the middle part of the convex rail sheet (13) is adjusted.

Description

Cabinet lock capable of replacing lock cylinder

The utility model relates to a kind of lockset, particularly a kind of locker locks that changes lock core.

Present cabinet generally has a lock housing with the structure of lock, in the lock housing endoporus, put lock core, lock core is provided with under key effect regracting or along a plurality of tongue pieces of lock core radial protrusion, conduit in the lock housing endoporus circumferentially offers several that is recessed into vertically, it between conduit rail sheet along the endoporus convex, activity is placed with a catch in the slotted eye at lock core rear portion, there is an inclined-plane front side, catch upper end, push up by elongated latch and the dialling of catch inclined-plane that can insert in the eccentric jack on the lock core, make catch with its lower spring depress and the retraction lock core body in, this moment lock core can be taken off.Because the lock core of this lock can take off and change,, can prevent from after key loss to be opened or the also drawback of available existing key unlocking of leaving office personnel by the people so have certain theftproof.But, generally sell experienced burglar and still can under keyless situation, one by one tongue piece be depressed, and then stretch into lock core with elongated driving lever lock core is taken out with instrument because structural design is unreasonable.Because the rotation of eccentric jack and key is irrelevant, promptly jack directly communicates with the inserted sheet position after locking always and is corresponding, so lock core also can be removed under no key situation.

The purpose of this utility model just is to overcome the above-mentioned shortcoming and defect of existing in prior technology, and provide a kind of after key correctly is inserted and rotated certain angle jack could better can change the locker locks of lock core with the safe antitheft of the corresponding perforation of catch.

The purpose of this utility model is to realize by following technical scheme:

In lock housing, put lock core, lock core is provided with the tongue piece of under key effect regracting or ejection, be provided with interior bumper plate in that the lock housing endoporus is circumferentially spaced apart, the indent conduit is arranged between the rail sheet, catch that but a bullet is stretched and that act on mutually with the interpolation latch is arranged at the lock core rear portion, have a jack in the lock core front portion, the forward edge of interior bumper plate can be blocked eccentric jack from eccentric jack inboard, making latch can not insert jack before lock core does not turn an angle depresses catch, only after having matched key to be inserted and rotated lock core, jack with latch could be inserted and takes out lock core after the central groove that protruding rail sheet 13 middle parts are offered is aimed at.

Therefore: remarkable result of the present utility model is:

First: even the burglar depresses from the outside with whole tongue pieces, also latch can't be inserted jack and catch is depressed, therefore, both can't the lock complete opening, more lock core can't be taken out, anti-theft security is more improved.

Second: must use supporting private key could open this lock, more than the sense of insecurity that causes because of the old key due to the personnel change.

Concrete structure of the present utility model is realized by the following examples and accompanying drawing thereof:

Fig. 1 is a structural upright exploded view of the present utility model.

Fig. 2 is a structural upright assembling drawing of the present utility model.

Fig. 3 is a user mode stereogram of the present utility model.

Fig. 4 is that the A of Fig. 2 front portion is to view.

Fig. 5 is that the B of Fig. 3 front portion is to view.

Be described in detail below in conjunction with 1 to 5 pair of concrete structure of the present utility model of accompanying drawing:

The utility model has a lock housing that is connected with cabinet 10, the interior bumper plate 13 that circumferentially is provided with separately and extends vertically at the endoporus 12 of lock housing 10, it in each a radially outer recessed conduit 14, in lock core endoporus 12, put lock core 20 with key 30 insertings, there is a catch 60 at lock core 20 rear portions that have flexible tongue piece 23, catch 60 is sleeved in the groove 25 and is inserted with spring 90, there is an inclined-plane 600 that acts on mutually with elongated latch 70 front side, catch 60 top, in lock core 20 front portions one jack 27 is arranged, it is characterized in that: the cell body width of recessed conduit 14 is greater than the corresponding width of the tongue piece on the lock core 20 23 radially, the fan-shaped end face edge block resistance of the interior raised track 13 of outer recessed conduit 14 both sides aligns in eccentric jack 27 rear sides of lock core front portion or with centre gangway 15, axially offers centre gangway 15 at the rail sheet 13 of convex.Referring to Fig. 1 to Fig. 5

Architectural feature of the present utility model also is:

The outer concave channel 15 of central authorities is along the axially open-minded middle part that leads to and be positioned at arbitrary bumper plate 13 width of lock housing 10.Referring to Fig. 3 to Fig. 5

The utility model using method is as follows:

Shown in Fig. 2,4,, key 30 lock core tongue piece 23 is descended and when not rotating, the local lateral margin 130 of protruding rail sheet 13 will block eccentric jack 27, promptly elongated latch 70 can't be stretched into lockset inside by this jack 27 and stir catch 60 when not inserting or insert.

But inserted when making that tongue piece 23 is total to sink at correct key 30, can be by the whole lock core 20 of key 30 rotations, make its eccentric jack 27 punctual with 15 pairs default of the outer concave channels of central authorities, shown in Fig. 3,5, can reach the drop-center passage 15 that aligns with it via jack 27 with latch 70 and stretch into lockset inside this moment, make its front end press to the inclined-plane 600 of catch 60, this catch 60 is descended, and can take out whole lock core.

Advantage of the present utility model is: even the burglar stretches into lockhole with elongated needle body and dials spatula and make its decline from outside, but it will be because of not having correct key rotating whole lock core 20, and core can't be unloaded taking-up, reaches further anti-theft feature.

And be the design that cooperates different locker locks, the outer concave channel 15 of central authorities that communicates with outside eccentric orfice 27 can be located on arbitrary interior bumper plate 13.

Claims

1, can change the locker locks of lock core, one lock housing that is connected with cabinet (10) is arranged, the interior bumper plate (13) that endoporus (12) in lock housing (10) circumferentially is provided with separately and extends vertically, it in each a radially outer recessed conduit (14), in lock core endoporus (12), put lock core (20) with key (30) inserting, there is a catch (60) at lock core (20) rear portion that has flexible tongue piece (23), catch (60) is sleeved in the groove (25) and is inserted with spring (90), there is an inclined-plane (600) that acts on mutually with elongated latch (70) catch (60) front side, top, in lock core (20) front portion one jack (27) is arranged, it is characterized in that: the cell body width of recessed conduit (14) is greater than the corresponding width of the tongue piece (23) on the lock core (20) radially, the fan-shaped end face edge block resistance of the interior raised track (13) of outer recessed conduit (14) both sides aligns in eccentric jack (27) rear side of lock core front portion or with centre gangway (15), axially offers centre gangway (15) at the rail sheet (13) of convex.

2, according to the described locker locks that changes lock core of claim 1, it is characterized in that: the outer concave channels of central authorities (15) are along the axially open-minded middle part that leads to and be positioned at arbitrary bumper plate (13) width of lock housing (10).