CN2133636Y - Anti-theft lock tool with hidden elasticity slice - Google Patents

Abstract

The utility model discloses an anti-theft lock tool with hidden elasticity slice, which is mainly composed of a lock core sleeve body (1), an outer lock core (2), an interior lock core (3), a square shell fragment (5), a spring (6), a shell fragment cover (7), a prong shell fragment (9), a jacking inner lock core spring (13), an outer lock core front cover (17), a jacking outer lock core spring (20), an auxiliary power ring (21), a latch (29) and a key (30). A key tenon (32) and a shank key tenon (33) which are matched with the tenon (16) of the interior lock core (3) are arranged on the key (30). The anti-theft lock tool with hidden elasticity slice has felicitous design, in particular to the key hole which is staggered an angle but not on the same straight line with the shell fragment of a catch lock core in space. The utility model can protect a hole screen (14) and block a key hole (19) when the lock is closed for hiding the shell fragment and effectively preventing from opening the lock by foreign matters.

Description

Anti-theft lock tool with hidden elasticity slice

The utility model relates to cylinder shell fragment lock that uses screw key and the key that matches with it, specifically is meant a kind of lock of hiding shell fragment.

The keyhole of at present all common single shell fragment locks was not only long but also compare broad, be easy to allow master key and so on foreign matter put in shell fragment to the lock set in-core, do not take any measure of stopping that master key and so on foreign matter enters and lock core is also basic, therefore put in master key in the lock core and so on foreign matter and just be easy to shell fragment is locked pirate of the open from structure.

At the above-mentioned defective of existing shell fragment lock, the purpose of this utility model is to provide a kind of lock that can prevent master key and so on foreign matter with the hiding shell fragment that comprises matched key of its pirate of the open effectively.

Solution of the present utility model is, it still comprises the tapered end of existing shell fragment lock and the most basic structure of key, wherein tapered end includes the lock core body, feature part of the present utility model is, axial aperture inner sliding sleeve at the lock core body is closing outer lock core, and the perforate inner sliding sleeve axial in being parallel to of outer lock core closing internal cylinder; Have several one-tenth one arrange and cover contained elastic sheet hole that be connected with its axial aperture respectively at lock core cover body side surface, in cover contained elastic sheet hole, square shell fragment and spring are housed, the shell fragment port lid is stamped at the spring top, outside the lock core side have several one-tenth one row's and the outer lock core shell fragment hole that is connected in axial perforate and several cover contained elastic sheets hole in parallel respectively, the bottom all has step surface upwards in several outer lock core shell fragments hole, and several outer lock core shell fragments all are equipped with up big and down small tip shell fragment in the hole; Inwardly have key with axially parallel from the internal cylinder side, several tip shell fragments bottom is all stretched in the outer lock core of key top, has the balance ridge with axially parallel in the key, the rear end of internal cylinder has tailing axle, one side at tailing axle rear portion is whittled into the plane, has the gap between this tailing axle and the outer lock core, the jacking internal cylinder spring that is enclosed within the tailing axle front portion is housed in the gap, the front end of internal cylinder outwards has guard aperture screen and front axle successively, and the past shaft end inwardly has the tenon mouth and is connected with key; The front end of outer lock core is fixed with the outer lock core protecgulum, lock core body front end has and can make the outer lock core protecgulum slide over wherein outer lock core protecgulum hole, the front axle sliding sleeve of internal cylinder is combined in the front-axle hole that the outer lock core protecgulum opened, on the outer lock core protecgulum, have the keyhole that is connected with front-axle hole, keyhole and the tip shell fragment angle that staggers in the space; Between outer lock core rear portion and lock core body, has the gap, jacking outer lock core spring and the power-assist ring that sliding sleeve is combined in the outer lock core rear portion is housed in the gap in the past backward successively, have the main card of outside protrusion on the power-assist ring and help card, main card and help the major trough that card concaves into the outer lock core side respectively and help the groove kissing to connect, on the power-assist ring, also have the stop mouth, the position that outer lock core at power-assist ring rear combines with the lock core body, the stop that has outside protrusion on the outer lock core, the bayonet socket kissing that concaves on stop and the lock core body connects, on the outer lock core outside lock core body rear end, be inserted with the latch that makes the outer lock core axial limiting; The rack saw of the key that matches with tapered end partly have can with the suitable identical compensating groove in the balance ridge of internal cylinder, the place ahead of rack saw part have can with the suitable identical key tenon of the tenon mouth of internal cylinder, the shank of key have can with the suitable identical shank key tenon of the tenon mouth of internal cylinder.

The utility model with said structure inserts from the tenon mouth that is exposed to the internal cylinder on the outer lock core protecgulum with things such as key tenon or shank key tenons, just can twist internal cylinder and do clockwise or counterclockwise limited rotation.When making key face each tip shell fragment, each square shell fragment in the cover contained elastic sheet hole is under the active force of spring, put in respectively in each outer lock core shell fragment hole outer lock core is pinned, be in the state of shutting this moment, and the tenon mouth of internal cylinder and the dislocation of the keyhole on the outer lock core protecgulum, the guard aperture of internal cylinder front end screen is lived the keyhole shelves, makes the foreign matter of master key and so on put in internal cylinder from keyhole and goes to support and overlap the tip shell fragment.When needs are unblanked, at first to put in the tenon mouth of internal cylinder with shank key tenon on the key, internal cylinder is torqued into makes the tenon mouth relative with keyhole just on same straight line, this moment, the guard aperture screen no longer hindered the shelves keyhole, and keyhole aligns mutually with the key of internal cylinder, insert key so just key can be passed keyhole, the balance ridge of internal cylinder in compensating groove interlock on the key, key puts in the key along the balance ridge, after the key tenon is inserted the tenon mouth, just can reverse internal cylinder, make key over against each tip shell fragment, this moment key rack saw part each mark of mouth with the tip shell fragment towards each outer lock core shell fragment hole Nei Ding, each tip shell fragment again respectively with the square shell fragment of adjacent each top in cover contained elastic sheet hole, make each tip shell fragment respectively with the contact position of each square shell fragment be in the outer lock core with the lock core body in tangent intersection.But because the stop on the outer lock core is stuck in the bayonet socket of lock core body, so in time, still can not be rotated outer lock core lock is opened, and the application of force pushes away key backward, thereby with outer lock core together with internal cylinder simultaneously to pusher, institute's advance is from the degree of depth that is retracted into outer lock core protecgulum hole on the lock core body for the outer lock core protecgulum.This promotion makes the stop bayonet socket of drawing back out, and main card on the power-assist ring is slided to forward on the side that internal cylinder tailing axle rear portion is whittled into the plane, and internal cylinder is blocked and can not be rotated with respect to outer lock core.Have only at this moment, just may reverse key, in the lock core body, freely rotates together, drive drive disk assembly that the outer lock core rear end connects (be good for as cutting, mortise lock etc.) again, reach at last and unblank or to locking the purpose of insuring to drive outer lock core and internal cylinder.After finishing like this, reverse the lock core reposition again, because the effect of jacking outer lock core spring, can promote lock core automatic homing forward, stop just can be engaged in again in the bayonet socket, and main card withdraws from from the tailing axle of internal cylinder, aligns with cover contained elastic sheet hole again in outer lock core shell fragment hole.After the outer lock core playback, reverse internal cylinder with the key tenon again, its tenon mouth is alignd with keyhole, just can extract key out, this lock enters the state of shutting again.This moment, also available key tenon reversed internal cylinder to rightabout final position if necessary, make keyhole be covered by the guard aperture screen again, but this lock still was in the state of shutting.

Therefore; the utility model is with its design that is skillfully constructed; make stagger in a space angle and not on same straight line of the shell fragment of keyhole and breech lock core; and also available guard aperture screen blocks keyhole when shutting state; thereby shell fragment is stashed, and this just can prevent his human master key and so on foreign matter pirate of the open lockset effectively, so it has the inaccessible security insurance performance of general shell fragment lock; can protect the safety of huge numbers of families and communal facility reliably, safeguard the stable of society.The guard aperture screen can also play the effect that foreign matters such as stoping dirt, sand enters lock core.

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the sectional view of a kind of concrete structure of the utility model;

Fig. 2 and Fig. 3 are respectively the right view of internal cylinder Fig. 1 when being in two kinds of extremities in outer lock core;

Fig. 4 and Fig. 5 are respectively the two kind different state diagrams of key when inserting Fig. 1 and unblanking;

Fig. 6 and Fig. 7 are respectively the A-A sectional view of internal cylinder Fig. 1 when being in two kinds of extremities in outer lock core;

Fig. 8 and Fig. 9 are respectively the B-B sectional view of internal cylinder Fig. 1 when being in two kinds of extremities in outer lock core;

Figure 10 to Figure 13 is respectively C-C, D-D, E-E and the F-F sectional view of Fig. 1;

Figure 14 is a kind of concrete structure figure of key of the present utility model;

Figure 15 is the G-G sectional view of Figure 14.

Reference numeral among the above-mentioned figure is: 1, the lock core body, 2, outer lock core, 3, internal cylinder, 4, cover contained elastic sheet hole, 5, square shell fragment, 6, spring, 7, the shell fragment port lid, 8, outer lock core shell fragment hole, 9, the tip shell fragment, 10, key, 11, the balance ridge, 12, tailing axle, 13, jacking internal cylinder spring, 14, the guard aperture screen, 15, front axle, 16, the tenon mouth, 17, the outer lock core protecgulum, 18, outer lock core protecgulum hole, 19, keyhole, 20, jacking outer lock core spring, 21, the power-assist ring, 22, main card, 23, help card, 24, major trough, 25, help groove, 26, the stop mouth, 27, stop, 28, bayonet socket; 29, latch, 30, key, 31, compensating groove, 32, the key tenon, 33, shank key tenon, 34, the riveting tenon, 35, guiding is recessed.

Referring to Fig. 1, jacking outer lock core spring (20) can be made pre-small post-large taper.Referring to Fig. 2, at the riveting tenon (34) of three protrusions of outer lock core (2) front end placement, on outer lock core protecgulum (17), offer three corresponding rivet holes, outer lock core protecgulum (17) is riveted on the outer lock core (2).Should offer a guiding recessed (35) on every side at the keyhole (19) of outer lock core protecgulum (17), so that make key (30) successfully insert lock core.The extremity that internal cylinder shown in Figure 2 (3) is in the outer lock core (2) is meant that tenon mouth (16) staggers with keyhole (19), and key (10) aligns mutually with tip shell fragment (9).Referring to Fig. 3, the another kind of extremity of this figure indication is meant, tenon mouth (16) is relative with keyhole (19) just on same straight line, but key (10) staggers with tip shell fragment (9), and two kinds of extremities of all the other each figure indications all are same meanings.

The utility model various lock body parts (namely be tapered end be installed in various occasions to reach different lock security personnel purpose assembly parts) included from prior art combine, and can make shell fragment door lock, lock, safe lock and other special lock of using.

Claims (3)

1, a kind of lock of hiding shell fragment comprises tapered end and key (30), and wherein tapered end includes lock core body (1), it is characterized in that:

A) the axial aperture inner sliding sleeve at lock core body (1) is closing outer lock core (2), being parallel to of outer lock core (2) axial perforate inner sliding sleeve closing internal cylinder (3);

B) have several one-tenth one arrange and cover contained elastic sheet hole (4) that be connected with its axial aperture respectively in lock core body (1) side, in cover contained elastic sheet hole (4), square shell fragment (5) and spring (6) are housed, shell fragment port lid (7) is stamped at spring (6) top, have in outer lock core (2) side several one-tenth one row's and the outer lock core shell fragment hole (8) that is connected in axial perforate and several cover contained elastic sheets holes (4) in parallel respectively, the bottom all has step surface upwards in several outer lock core shell fragments holes (8), all is equipped with up big and down small tip shell fragment (9) in several outer lock core shell fragments holes (8);

C) inwardly have key (10) with axially parallel from internal cylinder (3) side, several tip shell fragments (9) bottom is all stretched in the outer lock core (2) of key (10) top, has the balance ridge (11) with axially parallel in the key (10), the rear end of internal cylinder (3) has tailing axle (12), one side at tailing axle (12) rear portion is whittled into the plane, has the gap between this tailing axle (12) and the outer lock core (2), be equipped with in the gap and be enclosed within the anterior jacking internal cylinder spring (13) of tailing axle (12), the front end of internal cylinder (3) outwards has guard aperture screen (14) and front axle (15) successively, inwardly has tenon mouth (16) from front axle (15) end and is connected with key (10);

D) front end of outer lock core (2) is fixed with outer lock core protecgulum (17), lock core body (1) front end has and can make outer lock core protecgulum (17) slide over wherein outer lock core protecgulum hole (18), front axle (15) sliding sleeve of internal cylinder (3) is combined in the front-axle hole that outer lock core protecgulum (17) opened, on outer lock core protecgulum (17), have the keyhole (19) that is connected with front-axle hole, keyhole (19) and tip shell fragment (9) angle that staggers in the space;

E) between outer lock core (2) rear portion and lock core body (1), has the gap, jacking outer lock core spring (20) and the power-assist ring (21) that sliding sleeve is combined in outer lock core (2) rear portion is housed in the gap in the past backward successively, have the main card (22) of outside protrusion on the power-assist ring (21) and help card (23), main card (22) and help the major trough (24) that card (23) concaves into outer lock core (2) side respectively and help groove (25) kissing to connect, on power-assist ring (21), also have stop mouth (26), the position that outer lock core (2) at power-assist ring (21) rear combines with lock core body (1), the stop (27) that has outside protrusion on the outer lock core (2), bayonet socket (28) kissing that concaves on stop (27) and the lock core body (1) connects, on the outer lock core (2) outside lock core body (1) rear end, be inserted with the latch (29) that makes outer lock core (2) axial limiting;

F) rack saw of the key that matches with tapered end (30) partly has compensating groove (31), and the place ahead of rack saw part has key tenon (32), has shank key tenon (33) at the shank of key (30).

2, lockset as claimed in claim 1 is characterized in that, at outer lock core (2) front end the riveting tenon (34) of three protrusions is set, and offers three corresponding rivet holes on outer lock core protecgulum (17), and outer lock core protecgulum (17) is riveted on the outer lock core (2).

3, as claim 1,2 described locksets, it is characterized in that, offer a guiding recessed (35) on every side at the keyhole (19) of outer lock core protecgulum (17).

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