CN2323079Y

CN2323079Y - Theft-proof cap for cipher closured keyhole

Info

Publication number: CN2323079Y
Application number: CN 96250936
Authority: CN
Inventors: 余永庆
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-12-22
Filing date: 1996-12-22
Publication date: 1999-06-09
Anticipated expiration: 2006-12-22

Abstract

The utility model discloses an anti-theft device which uses ciphers and an anti-drilling plate to seal a lock hole. The utility model is suitable for various built-in locks. The utility model is composed of an outer shell, ciphers, a clamping pin, a spring, a shifting outer sleeve of an anti-drilling plate, an anti-drilling plate, a gear and a hand-adjusting turn knob. When a lock hole needs sealing, the gear is adjusted to enable the outer sleeve of the anti-drilling plate to move to a position for sealing the lock hole by the anti-drilling plate. Then, the ciphers are adjusted to achieve the purpose of sealing the lock hole.

Description

The Anti-theft cap of puzzle-sealed lockhole

The utility model relates to the anti-drilling cap of a kind of improved lockhole, and particularly a kind of lockhole with the sealing of cipher control anti-drilling board does not have lighting or dysphotia at night, and house-owner people also can open the Anti-theft cap device of password, is suitable for various types of built-in locks.

The anti-drilling cap of selling on the market of lockhole all is to load onto one at the lockhole position towards key hole is arranged now, and the steel plate of the positive and negative rotation of energy is sleeved on the built-in lock head of door, even if played anti-drilling effect.Existing anti-drilling cap is exactly this form, in fact it and do not have the effect of anti-drilling lockhole, because lockhole over against the anti-drilling board position dash key hole arranged, as long as inject simple steel disc at key hole place greater than used drill bit, just can stop anti-drilling board to rotate as Luo silk cutter, make the anti-drilling disabler of anti-drilling cap with drill bit.In the extremely strong actual life of antitheft consciousness, the lockhole of the security door made from steel plate, single is need be anti-drilling, be stolen or copying under the situation of key, some effectiveness of existing this anti-drilling cap does not have yet, and it can not seal key hole, play skin or the unsound people of thought to child, foreign matter is filled in lockhole, make it can not open door lock and stay the next anti-condition of opening very easily, cause also for the user who loses a key only to change a new lock just to feel the consequence of insuring.For this reason, it is a kind of improved that the utility model will provide, and has the lockhole Anti-theft cap that overcomes above-mentioned disadvantage.

Task of the present utility model is finished as follows: the password outer ring be made into no graduation mark or the numeral, the point that has only a projection, make the starting point of the password contraposition that hand can contact, the slight sound number of times that is sent when starting to transfer the weight number of times of knob or listening the note spring steel ball by turn with the sense of hearing with hand-screw is transferred the password figure place.Anti-drilling board in the Anti-theft cap is struck out the garden shape of no key hole, pack into and can be shifted in the anti-drilling board overcoat of a key hole position, this overcoat one end and meshing a contact of manual gear, the other end and one is with after the password contraposition, the bayonet lock elastic force contact that could be promoted by the angle of anti-drilling board overcoat.When the needs sealing keyhole, use the hand adjustment moving gear, make gear drive anti-drilling board overcoat be displaced to the position of anti-drilling board sealing keyhole, at this moment, bayonet lock blocks the anti-drilling board overcoat automatically under the elastic force effect, transfer random password again, bayonet lock can not promoted, when password has contraposition by the angle of anti-drilling board overcoat so just reached anti-drilling and purpose sealing keyhole.

Below with reference to the accompanying drawing of drawing by 1: 1 utility model is described in further detail:

Structural plan figure when Fig. 1 is the positive no shell of the utility model.

Fig. 2 is Fig. 1 along the concrete vertical structure sectional drawing on the door lock of being installed in of A-A line.

Fig. 3 is the structure plan view of Fig. 1.

Fig. 4 is Fig. 1 along the concrete transversary sectional drawing on the door lock of being installed in of B-B line.

Fig. 5 is the sectional view of Fig. 3 fixed head (40) along the C-C line.

With reference to scheming: 1,2,3,4, a password axle center overcoat (3) that has the keep plate draw-in groove, shell (1) and password outer ring (26) securely riveting be integral, the elastic steel sheet (6) of 8 claw will be made into, interlock plate (5), keep plate (31) is staggered to be sleeved on the axle center overcoat (3), to be fabricated to whole password axle center (2) with the positioning knob and pass overcoat (3), to heavily move plate (30) again, active plate (4), be solidified as a whole with cottor pin (32) and axle center (2), make it under the pressure of elastic steel sheet (6), active plate (4) is heavily moving plate (30) of transmission and interlock plate (5) like a cork, suitable or despining, and positioning functional hole (25) can be located by elastic steel ball (44) exactly.Password outer ring (26) has only a rivet knob (27) with outer ring (26) and shell (1) riveting surface, protrusion outer ring (26) together without any numeral or graduation mark.One side of positioning knob (2) has a small gap, when needing the password contraposition small gap aimed at knob (27), with this as the starting point, learning active plate when firmly rotating (4) by heart is transferred password by the firmly weight number of times of steel ball (44) location or the sound number of times of clockwise and counter-clockwise positioning of rotating.No lamplit night or caliginous user, need only just can transfer knob (27) sense of touch relative with hand to password with breach.Contrast Fig. 2, Fig. 4 retainer spring (45) and positioning ball (44) are housed in and shell (1) riveting is in the garden jacket casing (24) of one.Active plate (4) is relied on the heavily moving plate (30) of interlock Luo silk head (29) transmission on the moving plate for support, and the interlock Luo silk hole of heavily moving plate (30) can a plurality ofly be provided with, for user's conversion password.Among Fig. 2, two keep plates (31) can not be rotated with the interlock plate by the draw-in groove card Cui of overcoat (3).Rotatory inertia dislocation when being subjected to active plate (4) that elastic steel sheet (6) works to do compacting interlock plate (5) by steel ball elastic positioning.Set bar (28) can be done from the compacting of interlock plate (5) upper punch.In the concrete structure of Fig. 1, anti-drilling board (11) steel plate that mechanical strength is arranged, strike out the garden shape of no key hole, be sleeved in the hole of anti-drilling board overcoat (10), another hole of overcoat (10) is washed into shell (1) onesize, and diameter is 14 millimeters the hole, garden (12) for the key insertion.One end of anti-drilling board overcoat (10) is manufactured with the tooth (13) that matches with gear (14), and be subjected to gear (14) but the driving force move left and right.Gear (14) is enclosed within manual adjusting knob and is fabricated on the whole axle center (15), and axle center (15) are stuck in shell (1) by spring steel ring (39) and weld on the fixed head of one (40).In the axle center of gear, load onto a spring (17) and the two and half garden shape steel toes (16) that elasticity is stronger, in order to prevent that when password does not have contraposition powerful turning knob damages the parts in the Anti-theft cap.The steel wire coiling that the available diameter of spring (17) is 1 millimeter.The other end of anti-drilling board overcoat (10), with one use the password contraposition, after the breach on interlock plate (5) and the heavily moving plate (30) is overlapping, could be contacted by bayonet lock (7) elastic force that the angle of anti-drilling board overcoat (22) promotes.Quilt is around admittedly in the stake behind the bayonet lock (7) in the middle of the spring (8), and two fastens in the hole on the anti-limit of pressing plate (23), and this spring can be used the steel wire coiling of 0.5 millimeter of diameter.Anti-drilling board overcoat (10) is subjected to three fixed heads (9), (18) spacing, and it can only be horizontally slipped.About two fixed heads (9) be again the spacing of bayonet lock (7), it can only be slided up and down.The dotted line (20) of contrast Fig. 1, fixed head (9), (18) first garden shape is the welding position with shell (1).Two hypotenuses of fixed head (9) are welded into integral body with arc position, half garden and shell (1) point that (18) contact with shell (1).Contrast Fig. 1, Fig. 3 on fixed head (9), (18), are manufactured with the inside and outside silk tube (21) of 6 millimeters of 4 millimeters of 4 internal diameters and external diameters, use the Luo silk cap of 2.5 millimeters of outer silk and thickness that pressing plate (23) is fixed on fixed head (9) and (18).Plum blossom Luo silk nail (42) with internal thread and 4 10 * 4 millimeters is solidified as a whole tapered end fixed head (35).Contrast Fig. 3, Fig. 4, (41) are to be whole two fixing Luo silk nail pin with shell (1) weldering.Fig. 2, Fig. 4 dotted line are 4 the Luo screw mandrels (19) when fixedly Anti-theft cap is on door (34).The numbering of enclosing with " zero " on Fig. 2, Fig. 3 Fig. 4 is the reference numeral of Fig. 1 or Fig. 2, Fig. 3.In actual production, tapered end fixed head (35) must be made two: Fig. 3 (43) is a cross center lockhole, must join the eccentric tapered end fixed head of a S shape, and this plate need only get final product tapered end trepanning (43) upward displacement for 7 millimeters.In conjunction with Fig. 2, when the utility model is installed in door (34) and goes up, need only bore, axle center (2) tail end stretch into the fixedly hole of Luo screw mandrel (19) of hole (33) and 4, tapered end (36) is inserted in fixed head (35), gets final product with plate (38) is fixing admittedly behind Luo silk (42), (37) and the lock.If the tapered end of other type, need only lay down tapered end fixed head (35) behind the Anti-theft cap with Anti-theft cap near mounted tapered end on the door, align that lockhole is fixing get final product, therefore, the various built-in lock that the utility model is fit to.

Claims

1, Anti-theft cap device of forming by outer cover of steel plate (1), encryption apparatus (2), bayonet lock (7), anti-drilling board overcoat (10), anti-drilling board (11) and gear (14), after it is characterized in that the password contraposition, be subjected to the anti-drilling board (11) of a key hole distance of driving force displacement of anti-drilling board overcoat (10) not have key insertion hole.

2, the Anti-theft cap device of stipulating by claim 1, it is characterized in that anti-drilling board overcoat (10), the angle (22) that transfer gear (14) just can make anti-drilling board put outward promotes bayonet lock (7) with after password (2) contraposition to be one, the anti-drilling board overcoat of a key hole distance of displacement.

3, by the Anti-theft cap device of claim 2 regulation, it is characterized in that being equipped with when password does not have contraposition in gear (14) and axle center (15) pin (16) and the spring (17) of anti-powerful turn knob.

4, by the Anti-theft cap device of claim 2 regulation, it is characterized in that anti-drilling board overcoat (10), dash the diplopore that key insertion hole (12) and suit anti-drilling board (11) are arranged.

5, press the Anti-theft cap device of claim 2 regulation, it is characterized in that the outer ring (26) of encryption apparatus and the knob (2) of transposing upward without any numeral or graduation mark, have only an alignment mark (27) with the obvious sense of touch of hand energy.

6, by the Anti-theft cap device of claim 2 regulation, it is characterized in that the active plate (4) of encryption apparatus, making has equidistant positioning functional hole or tooth (25), no matter just or reverse turn, all is subjected to steel ball or tooth (44) elasticity location.

7,, it is characterized in that being equipped with in the encryption apparatus compacting interlock plate (5), the elastic steel sheet (6) of inertia dislocation when being subjected to transmission by the Anti-theft cap device of claim 2 regulation.

8, by the Anti-theft cap device of claim 2 regulation, it is characterized in that the bayonet lock (7) of encryption apparatus, be a bayonet lock that manufactures F font or T font.