CN2112661U - Internal lock core - Google Patents

Abstract

The utility model relates to an internal lock core which comprises an exterior/internal lock body, an exterior/internal lock bolt, a spring, a lock body tube, a setting element, a locking tube, etc., wherein, the exterior/internal lock bolt is buried in the exterior/internal lock body. A correct key can make a positioning disk compress the positioning spring via a hole, and after the key is rotated, the positioning spring recovers the elastic force so that a brake handle and a brake step surface of the key are butted with a convex bolt of the internal lock bolt and that the adjoining planes of the exterior/internal lock bolt and the exterior/internal lock body are flushed. Then the key can be used for rotating the internal lock body so that a brake flange of the internal lock body pushes the lock body tube to move the step type brake step on the lower end of the lock body. Eventually, the lock is unlocked or locked.

Description

Internal lock core

The utility model system is that inside and outside locking bolt is embedded in outer keyhole side inside within the inside and outside lock body about the novel structure design of the formula core of pulling in a kind of, makes illegal person can't the special induction tool of mat respond to the practical anti-theft lock core of locking bolt pirate of the open.

Often the brake groove that utilization two-section length locking bolt cooperates key side correspondence in the lockset of commonly using, make the mating face of length locking bolt just be positioned at the mating face of two-section lock body, reach key and be able to the structure that rotational lock forms the make and break lock function, the only known lockset that utilizes the control of length locking bolt, no matter its locking bolt is horizontal in-line arrangement or radial arrangement formula, still have a following drawback textural:

Because of all communicating with the key hole, each bolt element protrudes out, make illegal person can utilize special tool(s) to see through the key hole and touch locking bolt easily, that is, weaken the antitheft effect of this lockset because bolt element is that illegal person is directly utilized the instrument contact induction because of it directly is exposed in the key hole.

Therefore, analyse in depth this known type lockset, maximum mortal wound is that locking bolt directly is exposed to the key hole, abundant protection can't be provided, the structure how hence one can see that effectively changes locking bolt makes to reach in more perfect has a theftproof, show for the type lockset utmost point and wait the important topic that improves, at commonly using major defect, the inventor is going through repeatedly the generation that the improvement back must have the utility model eventually.

The main purpose of the utility model is to provide the formula core of pulling in, outside stacking mutually by one, interior lock body, make outer in locking bolt hidden, be mounted on lock body inside, make locking bolt directly not be exposed to the key hole, to reach splendid anti-theft feature.

Time purpose of the utility model is to provide the key new structure of solid space design of formula core of pulling in, system by the stopper handle thickness of key can cooperate outer in the location of lock body outer in keyhole size and do the different variations of a low-order and high-order, and be different from the planar structure of tradition, and use that reach can't be with traditional key or the omnipotent key safeguard function as the pirate of the open instrument.

A purpose again of the utility model is to provide the setting element of formula core of pulling in, system cooperates a back stop spare with a positioning disk, make the stopper handle of reaching key must locate guiding really just rotatable after the insertion, the protruding spigot of locking bolt in damaging to avoid the stopper handle not reach that positioning instant is rotated.

Another purpose of the utility model is to provide the lock pipe of formula core of pulling in, cording has horizontal cut and vertical breach, so that the terminal protruding handle one upper and lower mobile space and the hoop turn space of location disc elements in the lock tube to be provided, and for the fixing usefulness of the clipping block clip of outer lock body, the location of positioning disk is more reached really, be unlikely deflection.

Technological means that relevant the utility model is adopted by achieving the above object and effect thereof, now in conjunction with the accompanying drawings, detailed for being described below.

Fig. 1 is the three-dimensional exploded view of the utility model.

Fig. 2 moves sectional view for the embodiment of the utility model.

Fig. 3 is another embodiment three-dimensional appearance view of the utility model.

At first, see also Fig. 1, the essential structure system of the utility model comprises assemblies such as locking bolt 3 outside outer lock body 1, one an interior lock body 2, the length cooperation, interior locking bolt 4, spring spare 5, a lock tube 6, a setting element 7, a lock pipe 8, one key 9, wherein:

Interior lock body 1,2 outward: in central authorities offer be cross connect outside, interior keyhole 11,12, wherein arbitrary hole and be preset to outside the location of big opening, interior keyhole 12,23, set bar groove 13 outside lock body 1 lower end offers outside simultaneously between wantonly two holes of outer keyhole 11, interior lock body 2 central authorities and to internal lock croze 21 should be arranged, antelabium 14 1 places are provided with clip flange 15 on the outer lock body 1, and interior lock body 2 lateral margins are also to there being clip flange 27; 2 of keyhole 22 and interior set bar grooves are extended with location wall 24 downwards with location aftermentioned brake groove 91 in arbitrary, and end forms the guide hole 25 of the less perforation in aperture under the interior set bar groove 21, and the end then forms the combination slot 26 of sky under the interior lock body 2;

Outer locking bolt 3: different in size being mounted in the outer set bar groove 13, and convexedly stretch in the interior set bar groove 13;

Interior locking bolt 4: in the set bar groove 21,41 ones less on protruding bolt of bottom bar footpath is arranged in the guide hole 25 of interior lock body 2 in different in size being mounted on;

Spring spare 5: be mounted on outer set bar groove 13;

Lock tube 6: the end face ring wall is provided with block wall 61 with outside inciting somebody to action under the lock body 2 in corresponding, interior lock body 1,2 rings are limited and are decided group and be fixed in lock tube 6 inside, then be provided with a big ring width block wall 62 in corresponding aftermentioned positioning disk 71 compression set spring spares 72 to the place of closing and be fixed in lock tube 6 inside with the qualification group, then extend to form one group downwards in big ring width block wall 62 central authorities and establish groove 63, be provided with on the clip flange 27 clips usefulness and protruding handle 711 of a longitudinally elongated breach 64 for interior lock body 2 in sidewall in addition for aftermentioned positioning disk 71, following mobile space usefulness, and be integrally formed with a scalariform stopper wall 65 in lock tube 6 lower ends;

One setting element 7 is to comprise a positioning disk 71 and a back stop spare 72, positioning disk 71 ends have extended a protruding handle 711, positioning disk 71 is that voltage supply is contracted back stop spare 72 with 9 insertions of guiding aftermentioned key really, and by back stop spare 72 spring returns guidings outer in locking bolt 3,4 location really, and back stop spare 72 be in order to positioning disk 71 cooperate with reach the location outer in the mating face of locking bolt 3,4;

One lock pipe 8: be the hollow type body, protruding handle 711 upper and lower mobile space places in corresponding positioning disk 71 offer a longitudinally elongated breach 81, and in outside making each the mating face of locking bolt 3,4 with outside in positioning disk 71 location when becoming level neat, the mating face of lock body 1,2 highly locate 45 ° of hoops and offer a hoop and lack 82, protruding handle 711 lock body 2 turns in key 9 stoppers for positioning disk 71, and then when reaching lock tube 6 rotation, the turn space of protruding handle is used; Be provided with scalariform block wall 83 in lock pipe 8 bottom ring walls in addition, decide group so that lock tube 6 rings are limited and be fixed in inside;

One key 9 is to be the round bar body, in the bottom be projected with corresponding outer in keyhole 11,22 and stable position outer in the stopper handle 90,91 of spoon 12,23, and stopper handle 91 can be provided with just different terraces 912 according to the length cooperation of interior locking bolt 3,4 outward;

During combination, please cooperate Fig. 1, earlier lock tube 6 is inserted in the lock pipe 8, then back stop spare 72 is inserted the big ring width block wall of lock tube 6 62 central set group establish in the groove 63, on back stop spare 72, cover a positioning disk 71, and the protruding handle 711 that makes positioning disk 71 is aimed at longitudinally elongated breach 64 places of lock tube 6, then putting into lock body 2 successively makes on the block wall 61 that is mounted on lock tube 6, and in making clip flange 27 clips of lock body 2 in the longitudinally elongated breach 64 of lock tube 6, then each spring spare 5 and outer locking bolt 3 being complied with outer locking bolt 3 cooperates with stopper handle 91 length of key 9 and organizes outside the outer lock body 1 in the set bar groove 13, and set bar groove 21 within the lock body 2 in 4 groups of locking bolts in each of the outer locking bolt 3 of correspondence are gone into, the protruding bolt 41 of locking bolt 4 lower ends wears guide hole 25 in the order, and on the outer lock body 1 of order antelabium 14 to closing end face on the lock tube 6, and its side clip flange 15 proper clips are in lock tube 6 set longitudinally elongated breach 64, to form outer interior lock body 1,2 with lock tube 6 be connected with one, and can cooperate the structure of key 9 actions, then the formula core A that pulls in the integral body is inserted in the outsourcing sleeve 10, a complete lockset, as Fig. 3 embodiment stereo appearance figure.

The embodiment action of unblanking, unblanking sees also Fig. 2, and cooperates Fig. 1, is described in detail as follows:

1. consult Fig. 2 A, when correct key 9 does not insert, be blocking, positioning disk 71 is offered longitudinally elongated breach 64 because of the elastic force that is subjected to back stop spare 72 holds clip in block wall 61 sides of lock tube 6;

The protruding bolt 41 of interior locking bolt 4 is stretched in the combination slot 26 of interior lock body 2 by guide hole 25, cause each the outer locking bolt 3 and the mating face of interior locking bolt 4 not to be positioned at the mating face of outer lock body 1,2, make outer interior 1,2 of lock bodies to be formed blocking by turn, precisely because under take the altitude outside in locking bolt 3,4 length cooperate and to belong to originally knownly, repeat no more.

2. in Fig. 2 B, when correct key 9 by lock body 1,2 in outer outside in keyhole 11,22 and locate outside in behind the keyhole 12,23, inwardly deeply push against positioning disk 71 compressing back stop spares 72 to closing lock tube 6 big ring width block walls 62 along each location wall 24 side wall surface again, key 9 can't be gone again push.

3. among Fig. 2 C, the correct key 9 of turn in a clockwise direction, make each stopper handle 91 of key 9 after location wall 24 moves about miter angle, locate the right flank of wall 24 against next by the left side, this moment is when no longer forcing in correct key 9, positioning disk 71 is subjected to the recovery elastic force effect of back stop spare 72 and rise key 9 is passed (and the protruding handle 711 of positioning disk 71 is suitable in the longitudinally elongated breach 81 of lock pipe 8 move rising), urge protruding bolt 41 along each location wall 24, make every group of outer interior locking bolt 3,4 mating face and outer interior lock body 1,2 mating face is able to horizontal alignment, this moment, we rotated correct key 9 and lock body 2 rotations in location wall 24 drives in a clockwise direction, the event in the longitudinally elongated breach 81 of lock pipe 8 of clip flange 15 clips of lock body 1 still maintains static outside this moment, and the clip flange 27 of interior lock body 2 is not managed the longitudinally elongated of 6 walls because of clip in lock and is lacked in 64, so can push against lock tube 6 also rotates with the turn of interior lock body 2, lock tube 6 one turns, first the protruding handle 711 of interlock positioning disk 71 in the lock at corresponding co-altitude place pipe 8 hoop breach 82 along breach 82 grooves and turn, pull but second contract to separate in the members such as stopper wall 65 locking bolts forced to move of interlock lock tube 6 lower ends or dead bolt, this is unlocking condition.

Special structure and traditional known structure with the utility model made a quality and is compared as follows:

The utility model conventional construction

1. the core formula of pulling in being, outer in locking bolt be able to 1. cores and be the formula of pulling outward, the length bolt element is equal

The steady Tibetan is mounted on lock body inside, and directly not communicating with the key hole protrudes out, and directly exposes

Be exposed in the key hole, illegal person can't be in the key hole, and illegal person can utilize the worker

Utilize instrument to see through the key hole, the tactility tool sees through the key hole, and induction contacts and steals

Required locking bolt and pirate of the open.Open.

2. key is the solid space design, and key 2. keys are shape in upright arrangement or radial plane

Wherein arbitrary stopper handle thickness must be joined the formula structure, is easily done to commonly use omnipotent lock

Close outer in the outer interior keyhole in the location pirate of the open instrument greatly of lock body, and give pirate of the open.

Little just can entering unblanked, and it is fixed really to have

The position plugs together effect, can not be omnipotent with tradition

Lock gives as the pirate of the open instrument, and tool increases again

Strengthen antitheft effect.

3. cooperate setting element design, use the design of 3. no setting elements, easily cause lock

The person does not reach form the spoon insertion in the correct key insertion process at certain positioning instant by turn

Really feeling of guiding action can be avoided pulling and cause the damage locking bolt.

Moving handle does not reach positioning instant to be rotated and to damage

The protruding spigot of internal lock basis.

The explanation of piece mark in the accompanying drawing

1 outer lock body 11 outer keyholes

The outer keyhole 13 outer set bar grooves in 12 location

14 upper lip, 15 blocking flanges

Set bar groove in the lock body 21 in 2

Keyhole in keyhole 23 location in 22

24 location wall 25 guide holes

26 combination slots, 27 clip flanges

Locking bolt in the 3 outer locking bolts 4

41 protruding bolt 5 spring spares

61 supports of 6 lock tubes end wall

62 big ring width block walls are established groove for 63 groups

64 longitudinally elongated breach 65 stopper walls

7 setting elements, 71 positioning disks

711 protruding handle 72 back stop spares

8 lock pipes, 81 longitudinally elongated breach

82 hoop breach, 83 scalariform block walls

9 keys, 91 stopper handles

912 terraces

Claims (2)

1, the formula core of pulling in a kind of, have outer, interior lock body, lock tube, length cooperate outside, interior locking bolt, spring spare, setting element, lock pipe and key, wherein:

Outward, lateral margin one place of interior lock body block is provided with corresponding clip flange, central authorities be provided with corresponding outside, interior keyhole, one of them outer keyhole width is big slightly, inner appropriate location be provided with corresponding outside, interior set bar groove for be installed with different in size outside, interior locking bolt and spring spare; Corresponding is extended with the location wall downwards between each interior set bar groove and interior keyhole;

Lock tube, place, lock body lower surface ring wall is provided with the block wall in corresponding, move down the block wall that distance also is provided with big ring width in corresponding setting element maximum, then extend to form one group downwards in big ring width block wall central authorities and establish groove, decide spring spare for being installed with, be provided with a microscler breach in sidewall in addition, then be integrally formed with a scalariform stopper wall in the lock tube lower end;

Setting element system comprises a positioning disk and a back stop spare, and terminal and extend a tongue in positioning disk, positioning disk system group is established and is covered on the back stop spare, and when locking the location of positioning disk highly just to closing end face under interior lock body;

The lock piping is the hollow type body, vertically moves the place, space in the protruding handle of corresponding positioning disk and offers a microscler breach; In outside making each the mating face of locking bolt with outside in the positioning disk location when becoming level neat, the mating face of lock body highly locate 45 ° of hoops and offer a hoop breach; And be provided with corresponding block wall in the scalariform attitude stopper wall place ring wall of corresponding locking bolt pipe lower end, lock pipe bottom;

The overhanging stopper handle in key bottom just with outer, interior lock body outside, interior set bar groove is vertical attitude, and wherein the width of a stopper handle is big slightly, outside complying with on brake groove in addition, the preset length of interior locking bolt is set with the terrace of the corresponding degree of depth;

After correct key inserts, can support along work location wall side wall surface pushing and pressing positioning disk compressing back stop spare and close set big ring width block wall in the lock tube lower end, the spoon that then turns clockwise is butted on a time location wall sidewall and loosens key, the recovery elastic force of mat back stop spare forces key to rise through positioning disk to make the corresponding degree of depth braking terrace on stopper handle and the stopper handle support the flat alignment of Heshui, and in making lock body be able to by turn and the stopper wall of interlock lock tube lower end with the work turn.

2, the formula core of pulling within according to claim 1 is characterized in that, the protruding handle that extends of positioning disk end wherein, its extend be able to when length suitably can make its turn to interior lock body rotating angle block in the lock pipe ring to offering breach to the greatest extent till the wall.

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