CN2338421Y

CN2338421Y - Cade-change-able and push keys type mechanism puzzle lock

Info

Publication number: CN2338421Y
Application number: CN 98240488
Authority: CN
Inventors: 李培海
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-08-29
Filing date: 1998-08-29
Publication date: 1999-09-15
Anticipated expiration: 2008-08-29

Abstract

The utility model relates to a code changeable and push-key type mechanical puzzle lock mainly comprising a lock, an inner and an outer handles which are coaxial, a square bolt, a tilting bolt, keys, a self-group cipher device, a resetting device, a decoding preventing device, a changing-code protective device, a limiting device and a square bolt opening limiting device, wherein the self-group cipher device is composed of a relatively independent rack bar counting unit shifted by keys and a dialing unit. A set of self-group cipher device with one bit password can be made into a puzzle lock with different bits of password as required, and an oval eccentric gear is used for driving the decoding preventing device of the transmission shifting piece. The utility model has the characteristics of good secrecy property, simple code changing, safety and reliability.

Description

Can change a yard key-type mechanical puzzle lock

The utility model belongs to a kind of mechanical code lock, particularly a kind of key-type mechanical puzzle lock that changes sign indicating number.

At present, various coded locks are of a great variety, see on the whole to be divided into electronic type coded lock and mechanical code lock two big classes, and the electronic password lock superior performance, but there is the cost height in it, shortcomings such as electricity consumption, and its application is restricted; Mechanical code lock also is varied, and its structural performance has nothing in common with each other, though have can self-combined code, when changing yard, can not show intuitively; And majority can only be opened from the outside, and confidentiality and safety are not high enough.

The purpose of this utility model be for overcome the existing machinery coded lock change sign indicating number directly perceived, can only be from single face with shortcomings such as password unlatchings, provide a kind of without key, can change a yard key-type mechanical puzzle lock preferably from two-sided security performance of all opening with password.

The purpose of this utility model is achieved in that a kind of yard key-type mechanical puzzle lock that changes, mainly comprise lock body, inside and outside coaxial handle, Square lock bolt, oblique dead bolt, button, oblique dead bolt handle, change a yard slide block handle, self-combined code device, resetting means, an anti-broken yard device, change a yard protective device, stopping means and Square lock bolt unlatching stopping means, it is characterized in that it is by a self-combined code device of mainly being made up of relatively independent tooth bar counting unit of stirring with button and dialing unit; The resetting means that tooth bar in the tooth bar counting unit is resetted; An oval eccentric wheel of usefulness promotes the anti-broken sign indicating number device of transmission plectrum; Yard protective device that changes that blocks to change yard slide block with plectrum; Stopping means with back-moving spring fixed limit bar; One with back-moving spring fixedly the Square lock bolt of bidentate plectrum open stopping means; Be core with the self-combined code device wherein, the self-combined code device is positioned at the below of lock shaft; Resetting means is positioned at the top of self-combined code device, and the compressing tablet that resets is wherein controlled resetting of self-combined code device middle rack; Anti-broken sign indicating number device is positioned at the front portion of self-combined code device, and the ratchet drive rod flexibly connects in transmission plectrum by wherein and the self-combined code device; Change the side that yard protective device is positioned at the self-combined code device, what the plectrum control by wherein was positioned at self-combined code device bottom changes moving of yard slide block; Stopping means is positioned at the bottom of self-combined code device, controls the rising of self-combined code device middle rack by gag lever post wherein; Square lock bolt is opened the side top that stopping means is positioned at the self-combined code device, and parallel with lock shaft, its major function is the unlatching number of times of controlling party dead bolt.

The utility model is because the self-combined code device that has adopted tooth bar counting unit to form breaks the sign indicating number device with preventing, so it is good to have security performance, it is simple and convenient, safe and reliable to change sign indicating number.

Fig. 1 is the utility model outer panels schematic diagram

Fig. 2 is the utility model wainscot schematic diagram

Fig. 3 is the structural representation after the utility model is thrown off wainscot

Fig. 4 is that the A-A of Fig. 3 is to sectional view

Fig. 5 is that the B-B of Fig. 3 is to sectional view

Fig. 6 is that the C-C of Fig. 5 is to sectional view

Fig. 7 is that the D-D of Fig. 5 is to sectional view

Fig. 8 is the structural representation of a tooth bar counting unit of the present utility model

Fig. 9 is that the E-E of Fig. 8 is to sectional view

Figure 10 is that the F-F of Fig. 8 is to sectional view

Figure 11 is that the G-G of Fig. 8 is to sectional view

Below in conjunction with embodiment and accompanying drawing structure of the present utility model is described in further detail: the utility model mainly comprise lock body 30, inside and outside coaxial handle 1,5, Square lock bolt 11, tiltedly dead bolt 10,

button

3,8, tiltedly dead bolt handle 6, change a yard slide block handle 9, self-combined code device, resetting means, an anti-broken sign indicating number device, change a yard protective device, stopping means and Square lock bolt and open stopping means and form, it is characterized in that: it is by a self-combined code device of mainly being made up of relatively independent tooth bar counting unit of stirring with

button

3,8 and dialing unit; The resetting means that tooth bar in the tooth bar counting unit is resetted; An oval eccentric wheel 31 of usefulness promotes the anti-broken sign indicating number device of transmission plectrum 42; Yard protective device that changes that blocks to change yard slide block 21 with plectrum 17; Stopping means with back-moving spring 23 fixed limit bars 38; One with back-moving spring 46 fixedly the Square lock bolt of bidentate plectrum 48 open stopping means; Be core with the self-combined code device wherein, the self-combined code device is positioned at the below of lock shaft 15; Resetting means is positioned at the top of self-combined code device, and the compressing tablet 16 that resets is wherein controlled resetting of self-combined code device middle racks 28; Anti-broken sign indicating number device is positioned at the front portion of self-combined code device, and ratchet drive rod 41 flexibly connects in transmission plectrum 42 by wherein and the self-combined code device; Change the side that yard protective device is positioned at the self-combined code device, what plectrum 17 controls by wherein were positioned at self-combined code device bottom changes moving of yard slide block 21; Stopping means is positioned at the bottom of self-combined code device, controls the rising of self-combined code device middle racks 28 by gag lever post 38 wherein; Square lock bolt is opened the side top that stopping means is positioned at the self-combined code device, and parallel with lock shaft 15, its major function is the unlatching number of times of controlling party dead bolt 11.

Handle 1 and button 3 outside on outer panels 2 of the present utility model, being provided with; Except that being provided with Internal handle 5 and button 8, the corresponding position also is provided with digital window 7 above each button on wainscot 4, and this digital window 7 is just in time in the front of the digital wheel 27 of inner self-combined code device middle rack counting unit.The self-combined code device is formed by being positioned at the relatively independent tooth bar counting unit of array on the same axis, dialing unit and the U type locating rack 24 that can slide up and down along lock frame 14 and yard slide block 21 that changes that has two trapezoidal grooves that is positioned at U type locating rack 24 belows; Be provided with a transverse baffle 29 in inner panel one side of U-shaped two midlegs of U type locating rack 24, have digital window 18 thereon with on the digital wheel 27 corresponding positions, digital window 18 on this baffle plate 29 at ordinary times and the digital window 7 on the wainscot 4 stagger up and down, therefore can't see the numeral on the digital wheel 27.Two pulleys 22 are arranged at the bottom of U-shaped locating rack 24, and its position and the trapezoidal groove that changes on yard slide block 21 match, and U-shaped locating rack 24 and tooth bar 28 are at grade.Shown in Fig. 8,9, tooth bar counting unit be by the digital wheel 27 that is fixedly connected on same band breach 55 on the power transmission shaft 34, ratchet 20, rack wheel 54 and perpendicular to power transmission shaft 34 and and the tooth bar 28 that is meshed of rack wheel 54 constitute; Tooth bar 28 is L-shaped, and tooth 53 partly is with at the middle part of its inboard, vertical limit, and its number of teeth is identical with the number of teeth on the rack wheel 54, has two in tooth bar 28 vertical inside, limit and moves towards the chute 51 that distributes along it; The positioner of being made up of steel ball 35 and spring 36 also is being set on ratchet 20, and this positioner only plays the effect that the restriction ratchet arbitrarily rotates.As shown in Figure 4, dialing unit be by be positioned on the outer panels 2,4

button

3,8 and with bearing pin 40 driver blade 39 fixing and that can rotate around bearing pin 40, and and the ratchet drive rod 41 that flexibly connects of driver blade 39 upper ends form,

button

3,8 flexibly connects with driver blade 39 two ends respectively; When if the utility model is only made the single face opening structure, can cancel driver blade 39 and interior button 8.Because a password uses a cover self-combined code device, so can make the different coded lock of password figure place as required, the utility model adopts 5 figure place passwords, so have 5 cover self-combined code devices; When unblanking, when in the 5 cover self-combined code devices be positioned at breach 55 consistent making progress on the digital wheel 27 on the same axis time, lock core chip 33 can move horizontally under the effect of the thumb wheel on the lock shaft 15 32, drives relevant parts realization unlocking function.Anti-broken sign indicating number device is an oval eccentric wheel 31 that is positioned on the lock shaft 15, and and its at grade and the transmission plectrum 42 of sliding-contact, the lower end of transmission plectrum 42 and ratchet drive rod 41 flexibly connects, and only could pass through

button

3,8 under the situation of swing handle 1,5 not and import passwords; If swing handle 1,5 to the left or to the right, then the effect underdrive plectrum 42 of oval eccentric wheel 31 moves down on lock shaft 15, make ratchet drive rod 41 downward-sloping, throw off the ratchet on the ratchet 20, thereby forfeiture dial feature, this function make the stranger not come brokenly sign indicating number by the sensation of rotation lock handle; Unclamp handle 1,5, transmission plectrum 42 upwards resets under the effect of back-moving spring 25, drives ratchet drive rod 41 simultaneously and resets, and

button

3,8 dial features recover.Shown in Fig. 3,5, resetting means is an eccentric wheel 12 and with it at grade and the compressing tablet 16 that resets of sliding-contact of resetting that is positioned on the lock shaft 15, and the back-moving spring 13 that is connected compressing tablet 16 two ends that reset; The compressing tablet 16 that resets can slide up and down along being positioned at the chute 45 of lock on the frame 14, and the compressing tablet 16 that resets is among the same plane with the tooth bar 28 of tooth bar counting unit; When importing unlocking cipher for making, each digital wheel 27 is on the digital position that has configured, before the input password, want earlier swing handle 1,5, the eccentric wheel 12 of resetting that is positioned on the lock shaft 15 compressing tablet 16 that promotes to reset is moved down, all tooth bars 28 of its below are pressed onto on the base of U-shaped locating support 24; After lock shaft 15 resets, reset compressing tablet 16 under the effect of its two ends back-moving spring 13, upwards reset.With the fixing plectrum 17 that can rotate around bearing pin 19 of bearing pin 19, there is a flanging triangular in shape the upper end of plectrum 17 in the middle of changing yard protective device and be one, and plectrum 17 lower ends embed and change in the groove of yard slide block 21 ends; When changing password, at first to import the unlocking cipher of original setting, swing handle 1 then, 5 driving lock core chips 33 move horizontally unblanks, when lock core chip 33 moves to the end, promotion is positioned at the leg-of-mutton flanging of plectrum 17 upper ends, the rotation that plectrum 17 is produced around bearing pin 19, thereby the lower end of plectrum 17 is withdrawed from from the groove that changes yard slide block 21 ends, this moment, outwards pulling changed a yard slide block handle 9, owing to lack the support that changes yard slide block 21, U-shaped locating support 24 vertically moves down into bottom land by the pulley 22 of its bottom along the trapezoidal groove hypotenuse that changes on yard slide block 21, digital window 18 on the transverse baffle 29 of U-shaped locating support 24 overlaps with the digital window 7 that is provided with on the wainscot 4, digital window 7 is opened, and the numeral that the inside shows is exactly original password that is provided with; At this moment swing handle 1,5 moves down the eccentric wheel 12 of resetting that is positioned on the lock shaft 15 compressing tablet 16 that promotes to reset again, and all tooth bars 28 of its below are pressed onto on the base of U-shaped locating support 24; The tooth bar 28 of this moment is lower than 28 present positions of the tooth bar reset mode under, make tooth bar 28 tooth topmost with rack wheel 54 on tooth throw off, when promptly stirring ratchet 20 by

button

3,8 at this moment, tooth bar 28 will can not move upward thereupon; At this

moment press button

3,8 and set new password, when demonstrating new password in 5 digital windows 7, to change a yard slide block handle 9 pushes inward, U-shaped locating support 24 moves on to the groove top by the pulley 22 of its bottom vertically upward along the trapezoidal groove hypotenuse that changes on yard slide block 21, digital window 18 on the transverse baffle 29 of U-shaped locating support 24 staggers with the digital window 7 that is provided with on the wainscot 4 at this moment, and digital window 7 is closed; First tooth and rack wheel 54 engagements with hour rack 28 tops; Plectrum 17 lower ends embed in the groove that changes yard slide block 21 ends again, make to change yard slide block 21 and can not move, and change sign indicating number and finish.Shown in Fig. 5,9, the stopping means gag lever post 38 that can move up and down along the chute of opening in lock frame 14 and support 26 relevant positions 37 that to be a two connected by spring 23; Gag lever post 38 is positioned at the top of L shaped tooth bar 28 side teeth 52; After tooth bar 28 resets; when the number of times of

button

3,8 surpasses 9 times; tooth bar lower end side tooth 52 contacts with gag lever post 38; continue to push

button

3,8 this moment; tooth bar 28 drives gag lever post 38 and rises, and one looses one's grip because the strength of positioner is less than the restoring force that is connected in the spring 23 on the gag lever post 38 on the ratchet 20, and gag lever post 38 drives tooth bar 28 returns; thereby guarantee that the password that each digital wheel 27 sets is constant, protected button to drive part simultaneously again and be not damaged.As shown in Figure 7, Square lock bolt open stopping means be by the side's of being positioned at tongue open and close on the power transmission shaft 47 bidentate plectrum 48 and on back-moving spring 46 and the baffle plate 49 that is positioned at lock body 30 corresponding positions constitute; Because a tooth of bidentate plectrum 48 is subjected to the obstruction of baffle plate 49, so behind the input proper password, make the unlock chip 43 on the lock shaft 15 disposable rotation open Square lock bolt 11 and oblique dead bolt 10 simultaneously; After opening coded lock, Square lock bolt 11 is retracted in the lock body 30, and tiltedly dead bolt 10 resets under the effect of spring 50; The terraced steps top at Square lock bolt 11 tongue bodies middle part moves down by the flanging 44 promotion transmission plectrums 42 on transmission plectrum 42 tops,

button

3,8 was lost efficacy, will open the door this moment outdoors, has only first rotation lock tooth bar 28 to be resetted, and re-enters password unlocking then; This moment is in door, as long as outwards the oblique dead bolt handle 6 of pulling can open the door.

In sum, adopt the coded lock of the utility model structure, have that to change code convenient, safe, maintain secrecy The characteristics that performance is good can be used on the utensil that various needs lock.

Claims

1. one kind can change a yard key-type mechanical puzzle lock, mainly comprise lock body (30), inside and outside coaxial handle (1,5), Square lock bolt (11), tiltedly dead bolt (10), button (3,8), tiltedly dead bolt handle (6), change yard slide block handle (9), a self-combined code device, resetting means, an anti-broken sign indicating number device, change a yard protective device, stopping means and Square lock bolt and open stopping means, it is characterized in that: it has a self-combined code device of mainly being made up of relatively independent tooth bar counting unit of stirring with button (3,8) and dialing unit; The resetting means that tooth bar in the tooth bar counting unit is resetted; An oval eccentric wheel of usefulness (31) promotes the anti-broken sign indicating number device of transmission plectrum (42); Yard protective device that changes that blocks to change a yard slide block (21) with plectrum (17); Stopping means with back-moving spring (23) fixed limit bar (38); One with back-moving spring (46) fixedly the Square lock bolt of bidentate plectrum (48) open stopping means; Be core with the self-combined code device wherein, the self-combined code device is positioned at the below of lock shaft (15); Resetting means is positioned at the top of self-combined code device, and the compressing tablet that resets (16) is wherein controlled resetting of self-combined code device middle rack (28); Anti-broken sign indicating number device is positioned at the front portion of self-combined code device, ratchet drive rod (41) flexible connection in transmission plectrum (42) by wherein and the self-combined code device; Change the side that yard protective device is positioned at the self-combined code device, what plectrum (17) control by wherein was positioned at self-combined code device bottom changes moving of a yard slide block (21); Stopping means is positioned at the bottom of self-combined code device, controls the rising of self-combined code device middle rack (28) by gag lever post (38) wherein; Square lock bolt is opened the side top that stopping means is positioned at the self-combined code device, and parallel with lock shaft (15), its major function is the unlatching number of times of controlling party dead bolt (11).

2. a kind of yard key-type mechanical puzzle lock that changes according to claim 1 is characterized in that: the self-combined code device is formed by being positioned at the relatively independent tooth bar counting unit of array on the same axis, dialing unit and the U type locating rack (24) that can slide up and down along lock frame (14) and yard slide block (21) that changes that has two trapezoidal grooves that is positioned at U type locating rack (24) below; Be provided with a transverse baffle (29) in inner panel (4) one sides of U-shaped two midlegs of U type locating rack (24), thereon and digital wheel (27) relevant position have digital window (18), two pulleys (22) are arranged at the bottom of U-shaped locating rack (24), its position and the trapezoidal groove that changes on yard slide block (21) match, and U-shaped locating rack (24) and tooth bar (28) are at grade.

3. a kind of yard key-type mechanical puzzle lock that changes according to claim 1 is characterized in that: tooth bar counting unit be by the digital wheel (27) that is fixedly connected on the band breach (55) on the same power transmission shaft (34), ratchet (20), rack wheel (54) and perpendicular to power transmission shaft (34) and and tooth bar (28) formation that is meshed of rack wheel (54); The positioner of being made up of steel ball (35) and spring (36) also is being set on ratchet (20).

4. a kind of yard key-type mechanical puzzle lock that changes according to claim 3, it is characterized in that: described tooth bar (28) is L-shaped, tooth (53) partly is with at the middle part of its inboard, vertical limit, the number of teeth on the same rack wheel of its number of teeth (54) is identical, vertically has two and move towards the chute (51) of distribution along it in inside, limit at tooth bar (28).

5. a kind of yard key-type mechanical puzzle lock that changes according to claim 1, it is characterized in that: dialing unit is by the button (3,8) that is positioned on the outer panels (2,4), with with bearing pin (40) driver blade (39) fixing and that can rotate around bearing pin (40), and and the ratchet drive rod (41) that flexibly connects of driver blade (39) upper end form, button (3,8) respectively and driver blade (39) two ends flexibly connect.

6. a kind of yard key-type mechanical puzzle lock that changes according to claim 1, it is characterized in that: resetting means is an eccentric wheel that resets (12) and with it at grade and the compressing tablet that resets (16) of sliding-contact that is positioned on the lock shaft (15), and the back-moving spring (13) that is connected the compressing tablet that resets (16) two ends; The compressing tablet (16) that resets can slide up and down along the chute (45) that is positioned on lock frame (14), and the compressing tablet that resets (16) is among the same plane with the tooth bar (28) of tooth bar counting unit.

7. a kind of yard key-type mechanical puzzle lock that changes according to claim 1, it is characterized in that: anti-broken sign indicating number device is an oval eccentric wheel (31) that is positioned on the lock shaft (15), and and its at grade, and the transmission plectrum (42) of sliding-contact, the lower end of transmission plectrum (42) and ratchet drive rod (41) flexibly connect.

8. a kind of yard key-type mechanical puzzle lock that changes according to claim 1; it is characterized in that: in the middle of changing yard protective device and be one with the fixing plectrum (17) that can rotate around bearing pin (19) of bearing pin (19); there is a flanging triangular in shape the upper end of plectrum (17), and plectrum (17) lower end embeds and changes in the groove of a yard slide block (21) end.

9. a kind of yard key-type mechanical puzzle lock that changes according to claim 1 is characterized in that: stopping means is a two with the fixing gag lever post (38) that can move up and down along the chute of opening in lock frame (14) and support (26) relevant position (37) of back-moving spring (23); Gag lever post (38) is positioned at the top of L shaped tooth bar (28) side tooth (52).

10. a kind of yard key-type mechanical puzzle lock that changes according to claim 1 is characterized in that: Square lock bolt open stopping means be by be positioned at Square lock bolt open and close on the power transmission shaft (47) bidentate plectrum (48) and on back-moving spring (46) and be positioned at baffle plate (49) formation of lock body (30) corresponding position.