CN201180406Y

CN201180406Y - Lock core with multi-protection mechanism

Info

Publication number: CN201180406Y
Application number: CNU2008200020293U
Authority: CN
Inventors: 林伯卿
Original assignee: BIPEACE ENTERPRISE CO Ltd
Current assignee: BIPEACE ENTERPRISE CO Ltd
Priority date: 2008-01-16
Filing date: 2008-01-16
Publication date: 2009-01-14
Anticipated expiration: 2018-01-16

Abstract

The utility model relates to a lock core with multiple protection mechanisms. The lock core consists of a lock casing, a limiter, a cipher piece, a spacer and a tumbler. Two grooves are arranged on the inner wall of the locking casing, wherein a first groove is provided with a plurality of lock ball holes in which elastic elements and lock balls are in turn embedded. The limiter which is rotationally arranged inside the locking casing is used for limiting the slide of the cipher piece and the spacer; the cipher piece and the spacer are arranged inside the limiter, the lock balls convexly arranged on both ends of the cipher piece or the designated end of the cipher piece are enabled to be embedded in the first and second grooves of the locking casing; while the tumbler passes through the cipher piece and the spacer which are arranged side by side, a key hole is arranged in the center of the tumbler, and an inserted key can push the cipher piece for unlocking.

Description

The lock core of multiple-protection mechanism

Technical field

The lock core of the relevant a kind of multiple-protection mechanism of the utility model refers in particular to a kind of maltilevel security mechanism lock core structure design that becomes various locksets and reach anti-theft and safety function of using.

Background technology

The lock core structure of known lock, usually by a rotating cylinder, one shell, at least one row locks pearl up and down and spring is formed, this rotating cylinder cover is planted and be rotary shape in shell, be respectively equipped with the corresponding radial direction through hole of at least one row in rotating cylinder and shell, the lock pearl and the pearl of locking are implanted each through hole respectively under the order thus, and be provided with a compression spring in the pearl top of locking, to go up, under lock Zhu Ding and be formed between rotating cylinder and shell and form lock bolt anti-rotation state, and its unlatching must be inserted in the rotating cylinder keyhole by key, to promote down the lock pearl and the pearl slippage of locking, in the order, under lock the pearl abutted surface and just be positioned at lock core and lock housing fit seam crossing, unblank to reverse rotating cylinder smoothly.But the lock core of the known lock of this kind, usual this time locked locked pearl and spring of pearl and held and be exposed in the keyhole of rotating cylinder, can see the lock pearl position of each protruding dew, when people attempt to unblank, utilize instruments such as probe easily, go deep into keyhole and respectively lock pearl and survey (imposing lateral force) one by one by depressing, false key is made in simulation thus, attempt is unblanked, and therefore protection, the anti-theft effect in the known anti-theft lock practicality is not good.

The utility model content

The purpose of this utility model is to provide a kind of lock core of multiple-protection mechanism, is the tactic pattern with key elder generation rotational password sheet, and can not be from the keyhole of rotating cylinder surveys the information such as position, the depth of lock pearl with improper method, reaches the first floor preventing mechanism; Secondly, two ends of cipher chips and selected end convex with the lock pearl of closing with the lock housing door bolt, must promote cipher chips with correct key, and the lock pearl of cipher chips is broken away from accurately, reach second layer preventing mechanism thus; Be provided with another row's flexible member and lock pearl again in the lock housing and constitute door bolt and close, have only when correct promotion cipher chips after, the interior lock pearl of lock housing is broken away from accurately, reach three-layer protection mechanism thus, promptly form the lock core of multiple-protection mechanism.

The purpose of this utility model is achieved in that a kind of lock core of multiple-protection mechanism, and this lock core comprises:

One lock housing has circular hole, and circular-hole internal-wall is provided with corresponding first groove and second groove and is and extends axially, and is provided with a row lock hole of bead radially in first groove, and the lock hole of bead is implanted into the flexible member and the first lock pearl;

One limiter, have two parallel banking stops, be provided with a linking part that links to each other between two banking stops, linking part central authorities are provided with perforation, and between two banking stops, constituting the open accommodation space of two ends, locating part is in the circular hole that rotary shape is installed in lock housing;

A plurality of cipher chips respectively are the central lamellar body that is provided with through hole, and the selected side of through-hole wall is provided with one or more oblique guiding face, and peripheral two the corresponding limit selectivity of cipher chips are provided with the second lock pearl of protrusion; A plurality of cipher chips arrangements are installed in the accommodation space of limiter, and the second lock pearl door bolt closes second groove in lock housing, and the first lock pearl in the lock housing contacts with the second lock Zhu Ding system on one side;

One rotating cylinder is provided with the bigger bulge loop of a diameter in front end, is provided with a keyhole in bulge loop central authorities and is and extends axially, and rotating cylinder is located in the through hole of cipher chips, forms the lock core of multiple-protection mechanism thus.

This cipher chips is to be provided with one second lock pearl on one side, and first groove door bolt of the second lock pearl and lock housing closes, and the first lock pearl is contacted with this second lock Zhu Ding system.

This cipher chips is to be provided with one second lock pearl on one side, and second groove door bolt of the second lock pearl and lock housing closes.

This cipher chips is to be provided with one second lock pearl in two corresponding limits, and wherein first groove door bolt of one second lock pearl and lock housing closes, and the first lock pearl is contacted with this second lock Zhu Ding system, and second groove door bolt of another second lock pearl and lock housing closes.

Be provided with a plurality of spacers, spacer central authorities are provided with a through hole, are provided with the groove of an arc at through-hole wall, and the accommodation space that peripheral two limits of spacer are provided with parallel sidewall and limiter mates, a plurality of spacers are worn being arranged between each cipher chips of fork, and a plurality of cipher chips are divided into certain spacing mutually.

The keyhole height of this rotating cylinder is greater than the rotating cylinder diameter, and keyhole constitutes open profile groove at bulge loop back segment stack shell, and the rotating cylinder rear end is provided with a radial perforation as fixed part.

A terminal sheathed banking stop of this rotating cylinder, banking stop is provided with the through hole of coupling rotating cylinder diameter, be provided with the lug of corresponding keyhole at through-hole wall, and peripheral two sidewalls of banking stop respectively constitute the diamond shaped on two inclined-planes, banking stop is set in the end of rotating cylinder, lug embeds the profile groove of keyhole, and two sidewalls can push up the accommodation space inwall built in limiter after rotation.

From the above mentioned, the utility model is arranged a plurality of cipher chips and is installed in the accommodation space of limiter, and the second lock pearl door bolt is closed in lock housing first groove and second groove; And this rotating cylinder penetrates and forms rotary shape in the through hole of cipher chips side by side, and its central authorities are provided with a keyhole, and keyhole has the oblique guiding face of the corresponding cipher chips of fluting; Only take correct key to reverse, when whole cipher chips slides into lockset position of coupler synchronously, cipher chips and limiter are rotated, reach unlocking function, form the lock core of multiple-protection mechanism thus.

Description of drawings

Fig. 1 is the stereogram of each member decomposing state of the utility model.

Fig. 2 is the sectional axonometric drawing of the utility model lock core assembled state.

Fig. 3 is the sectional drawing of the utility model lock core assembled state.

Fig. 4 is the combination schematic diagram of the utility model cipher chips first embodiment.

Fig. 5 is the combination schematic diagram of the utility model cipher chips second embodiment.

Fig. 6 is the combination schematic diagram of the utility model cipher chips the 3rd embodiment.

Fig. 7 is the schematic diagram of the utility model spacer assembled state.

Fig. 8 is the action schematic diagram of the utility model cipher chips first embodiment.

Fig. 9 is the action schematic diagram of the utility model cipher chips first embodiment.

Figure 10 is the action schematic diagram of the utility model cipher chips second embodiment.

Figure 11 is the action schematic diagram of the utility model cipher chips second embodiment.

Figure 12 is the action schematic diagram of the utility model cipher chips the 3rd embodiment.

Figure 13 is the action schematic diagram of the utility model cipher chips the 3rd embodiment.

Figure 14 is the action schematic diagram of the utility model cipher chips antitheft mechanism.

Figure 15 is the action schematic diagram of the utility model spacer.

Figure 16 is the stereogram of the whole cipher chips unlocking conditions of the utility model.

Figure 17 is the stereogram of the utility model banking stop embodiment.

Figure 18 is the sectional drawing of the utility model banking stop embodiment.

Figure 19 is the action schematic diagram of the utility model banking stop embodiment.

The specific embodiment

As shown in Figures 1 and 2, the lock core of the utility model multiple-protection mechanism mainly is made up of a lock housing 1, a limiter 2, a plurality of cipher chips 3, a plurality of spacer 4 and a rotating cylinder 5, wherein:

Lock housing 1, as shown in Figures 1 and 2, it is the hollow cylinder that is installed in lock, outward appearance can constitute arbitrary shape, be provided with a circular hole 11 is installed with so that following limiter 2, a plurality of cipher chips 3, spacer 4 and rotating cylinder 5 to be provided in the centre, and selected circular hole 11 inwalls are provided with corresponding one first groove 12 and one second groove 13 and are and extend axially, be provided with a plurality of lock hole of beads 14 radially of a row in its first groove 12, implant the flexible member 15 and the first lock pearl 16 in the lock hole of bead 14 in regular turn, this flexible member 15 can be the compression spring.

Limiter 2, as shown in Figures 1 and 2, be to constitute the cylindrical configuration main body, have two parallel banking stops 21, be provided with a linking part 22 as linking to each other at banking stop 21 identical ends, these linking part 22 central authorities are provided with a perforation 221, and constitute the open accommodation space 23 of two ends between two banking stops 21, in order to ccontaining and guide following a plurality of cipher chips 3 and spacer 4 marshallings and can slide; Thus locating part 2 is installed in the circular hole 11 of lock housing 1 and is rotary shape.

A plurality of cipher chips 3, as shown in Figures 1 and 2, respectively for central authorities are provided with the lamellar body of a through hole 31, these through hole 31 oval in shape are provided with one or more oblique guiding face 32 in the selected side of through hole 31 inwalls, can be two symmetrical oblique guiding faces 32 as shown; And cipher chips 3 peripheral two limits be provided with parallel sidewall 33 with accommodation space 23 coupling of limiter 2, again in other two corresponding limits arbitrarily selectivity be provided with protrusion second the lock pearl 34,34 ', so be embodied as the top one second lock pearl 34 is arranged, or there is one second lock pearl 34 ' in bottom, or go up and all respectively there is one second lock pearl 34,34 ' in bottom, and each sheet cipher chips 3 second lock pearl 34, the 34 ' height that is protruded can constitute multiple height dimension; Thus a plurality of cipher chips 3 are arranged in the accommodation space 23 that is installed in limiter 2 (as shown in Figure 3), make the second lock pearl 34 ' door bolt close second groove 13 in lock housing 1 (as Fig. 3 to shown in Figure 6), and present different door bolts according to the second lock pearl 34,34 ' height and close the degree of depth, and make the first lock pearl 16 of lock housing 1 lock the Zhu34Ding system to contact with second of top.

A plurality of spacers 4 as shown in Figures 1 and 2, also are the lamellar bodies that central authorities are provided with a through hole 41, these through hole 41 rounded shapes, the groove 42 that is provided with an arc in the direction and the position of the identical aforementioned oblique guiding face 32 of through hole 41 inwalls; And spacer 4 peripheral two limits be provided with parallel sidewall 43 with accommodation space 23 coupling of limiter 2; Thus, make a plurality of spacers 4 interspersed being arranged between each cipher chips 3, a plurality of cipher chips 3 are divided into certain spacing mutually, so that first lock pearl 16 system of pushing up mutually of the aforementioned lock housing 1 of the top second lock pearl, 34 alignment contacts;

Rotating cylinder 5, as shown in Figure 1 to Figure 3, it is the cylindrical configuration main body, be provided with the big bulge loop 51 of a diameter in front end, the central authorities of this bulge loop 51 are provided with a keyhole 52 and are and extend axially, the height of this keyhole 52 is greater than rotating cylinder 5 diameters, so make keyhole 52 at the open profile groove 52 ' of bulge loop 51 back segment stack shells formation, the fixed part when rotating cylinder 5 rear ends are provided with a radial perforation 53 as assembling again; Thus rotating cylinder 5 is located in the through hole 31 and 41 (extremely shown in Figure 7) of cipher chips 3 and spacer 4, and utilizes of the front end sealing of this bulge loop 51 lock housing 1 circular hole 11 as Fig. 4.

By the architectural feature of above-mentioned lock housing 1, limiter 2, cipher chips 3, spacer 4 and rotating cylinder 5 and the design of assembled relation, the lock core of promptly forming the utility model multiple-protection mechanism, can further use becomes various locksets, and then reaches the maltilevel security mechanism of anti-theft and safety function.The function of its multiple antitheft mechanism, extremely shown in Figure 6 as Fig. 4, only present all identical oblique guiding face 32 of structure in the through hole 31 of each cipher chips 3, can not use instrument such as the probe test first lock pearl 16 and second to lock pearl 34,34 ' door bolt closes the degree of depth, so can reach the anti-theft feature of first aspect.Secondly, two ends of cipher chips 3 or selected end convex with the second lock pearl 34,34 ' of closing with lock housing 1 door bolt, must promote cipher chips 3 with correct key, and the second lock pearl 34,34 ' of cipher chips 3 is broken away from accurately, reach second layer preventing mechanism thus.Be provided with another row's flexible member 15 and the first lock pearl 16 again in the lock housing 1 and constitute door bolt and close, have only when correct promotion cipher chips 3 after, just can make first in the lock housing 1 lock pearl 16 and break away from accurately, reach three-layer protection mechanism thus.

Unlocking action when the utility model is used, as Fig. 8 and shown in Figure 9, when the key 6 insertion rotating cylinders 5 of correct tooth shape reverse, its effect end 61 oblique guiding faces 32 of pushing cipher chips 3 make it to slide, so can make the second lock pearl 34 ' of cipher chips 3 lower ends break away from second groove 13, and then rotational password sheet 3 and limiter 2.Or as Figure 10 and shown in Figure 11, upper and lower edge all is provided with the second lock pearl 34,34 ' cipher chips 3, when the key 6 of correct tooth shape reverses, can make the second lock pearl 34 ' of cipher chips 3 lower ends break away from second groove 13, what upper end second lock pearl 34 promoted then that door bolt closes first locks 16 on pearl at correct lockset position of coupler, if it is too short to promote cipher chips 3 distances, can not make the lower end second lock pearl 34 ' break away from second groove 13, if longly make the upper end second lock pearl 34 fasten with a bolt or latch on the contrary and be combined in first groove 12 (as shown in figure 14), correct thus rotational password sheet 3 and limiter 2 on the contrary.Figure 12 and shown in Figure 13 and for example, have only top edge all to be provided with the cipher chips 3 of the second lock pearl 34, when the key 6 of correct tooth shape reverses, second 34 on the pearl of lock promotes 16 on the first lock pearl that door bolt closes at correct lockset position of coupler, in like manner, stroke is long to be made the upper end second lock pearl 34 fasten with a bolt or latch on the contrary to be combined in first groove 12 (as shown in figure 14) on the contrary if promote, so rotational password sheet 3 that can be correct thus and limiter 2.As for described spacer 4, do not pushed because be provided with groove 42 by the effect end 61 of key 6, can not produce the slip effect, only in the spacing (as shown in figure 15) that keeps each cipher chips 3.This shows, only take correct key 6 to reverse, when whole cipher chips 3 slides into lockset position of coupler synchronously (as shown in figure 16), cipher chips 3 and limiter 2 are rotated, further reach unlocking function, as long as wherein a cipher chips 3 is misfitted, can both keep fastening with a bolt or latch the anti-theft state that is combined in the lock housing 1.

For another shown in Figure 17, can a sheathed banking stop 7 at the least significant end of rotating cylinder 5, this banking stop 7 is provided with the through hole 71 of coupling rotating cylinder 5 diameters, be provided with the lug 72 of corresponding keyhole 52 at through hole 71 inwalls, and banking stop 7 peripheral two sidewalls 73 respectively constitute the diamond shaped on two inclined-planes, be set in the least significant end of rotating cylinder 5 thus, make lug 72 embed the profile groove 52 ' (as shown in figure 18) of keyhole 52.So, when rotating cylinder 5 is turned by key 6, can utilize accommodation space 23 inwalls (as shown in figure 19) of two sidewalls, 73 tops of banking stop 7 built in limiter 2, the rotational angle of restriction rotating cylinder 5 in lock housing 1 reverses excessive when preventing to unblank.

Claims

1, a kind of lock core of multiple-protection mechanism is characterized in that this lock core comprises:

One rotating cylinder is provided with the bigger bulge loop of a diameter in front end, is provided with a keyhole in bulge loop central authorities and is and extends axially, and rotating cylinder is located in the through hole of cipher chips.

2, the lock core of multiple-protection mechanism as claimed in claim 1 is characterized in that: Yi Bian this cipher chips is to lock pearl in being provided with one second, first groove door bolt of the second lock pearl and lock housing closes, and the first lock pearl is contacted with this second lock Zhu Ding system.

3, the lock core of multiple-protection mechanism as claimed in claim 1 is characterized in that: Yi Bian this cipher chips is to lock pearl in being provided with one second, second groove door bolt of the second lock pearl and lock housing closes.

4, the lock core of multiple-protection mechanism as claimed in claim 1, it is characterized in that: this cipher chips is to be provided with one second lock pearl in two corresponding limits, wherein first groove door bolt of one second lock pearl and lock housing closes, and the first lock pearl is contacted with this second lock Zhu Ding system, and second groove door bolt of another second lock pearl and lock housing closes.

5, the lock core of multiple-protection mechanism as claimed in claim 1, it is characterized in that: be provided with a plurality of spacers, spacer central authorities are provided with a through hole, be provided with the groove of an arc at through-hole wall, peripheral two limits of spacer are provided with the accommodation space coupling of parallel sidewall and limiter, a plurality of spacers are worn being arranged between each cipher chips of fork, and a plurality of cipher chips are divided into certain spacing mutually.

6, the lock core of multiple-protection mechanism as claimed in claim 1 is characterized in that: the keyhole height of this rotating cylinder is greater than the rotating cylinder diameter, and keyhole constitutes open profile groove at bulge loop back segment stack shell, and the rotating cylinder rear end is provided with a radial perforation as fixed part.

7, the lock core of multiple-protection mechanism as claimed in claim 1, it is characterized in that: a terminal sheathed banking stop of this rotating cylinder, banking stop is provided with the through hole of coupling rotating cylinder diameter, be provided with the lug of corresponding keyhole at through-hole wall, and peripheral two sidewalls of banking stop respectively constitute the diamond shaped on two inclined-planes, banking stop is set in the end of rotating cylinder, and lug embeds the profile groove of keyhole, and two sidewalls can push up the accommodation space inwall built in limiter after rotation.