CN102677978A - Mechanical digital automatic lock - Google Patents

Abstract

A mechanical digital automatic lock comprises a lock case, a mechanical digital control portion and a mechanical automatic lock portion, the lock case is composed of a lock case bottom plate and a lock case cover, the mechanical digital control portion is composed of a digital wheel set mechanism, a check mechanism, three digital wheel set mechanisms, a check mechanism support base, three manual code input mechanisms, an unlocking zeroing mechanism and a zeroing limiting device, and the mechanical automatic lock portion is composed of a latching mechanism, two lock column devices and a hinged mechanism. The mechanical digital lock has functions of automatically locking and zeroing, by means of an increasing of digital wheels or a change of the number of straight teeth on the sides of the digital wheels, passwords of the lock can be limitlessly increased, the digital code quantity is large, the unlocking digitals can be randomly set, the lock has a password protection function, a code input mode that the numbers of the passwords correspond to times a user pressed is provided, the lock has an independent auxiliary lock, a lock column automatic locking mechanism is designed, the key is not required, the secret key quantity is large, the performances of confidentiality, security and tamper resistance are good, the structure is simple, and the operation is simple and convenient.

Description

The mechanical digital automatic locking

Technical field

The present invention relates to locked instrument, especially a kind of mechanical digital automatic locking.

Background technology

At present, what people generally used is cylinder lock, combination coded lock, key cipher lock, Fingerprint Lock, remote control lock etc., and cylinder lock is all to compress back pellet shot from a slingshot with key; Lock core rotating opening lock, it exists a key to open many lock phenomenons, or master key is easy to lock is opened; Although people have done a lot of articles in the design of such lock; Just on locked instrument, make an issue of, but be unable to do without key, so the defective of safety difference still can't resolve.Combination coded lock, key cipher lock, Fingerprint Lock, remote control lock etc., these locks are opened lock through staying remains on sound, feel, the button, but it can both open lock with decoder, exists size of key few, the defective of confidentiality, safety difference.State Intellectual Property Office announced [the digital built-in lock of a kind of novel mechanical] on August 23rd, 2006; The patent No. is 2005200214401, should [a kind of novel mechanical digital built-in lock] because what bump that tongue takes is rotary eccentric structure, off-centre is not in place when having locking automatically; Can't unblank; Auto zero is that what to adopt is decorative pearl on top of an official cap formula, has limited digital wheel disc and has freely rotated, and can't accomplish auto zero.What digital input was taked is flexible axle rod-type button mechanism, and this flexible axle bar digital wheel disc when input is digital rotates a tooth pitch, is prone to drive digital wheel disc counter-rotating when the flexible axle bar resets, and can't accomplish digital input.Do not have anti-close to defencive function.The auto zero function realized not, thereby can't realize that also number arbitrarily establishes.Should [the digital built-in lock of a kind of novel mechanical] be a mentality of designing in a word, can't implement.

Summary of the invention

In order to overcome the deficiency that prior art exists, the invention provides a kind of mechanical digital automatic locking, this mechanical digital automatic locking not only can substitute existing lock, locking locking thing, and also big without key, size of key, confidentiality, safety and pick-proof performance are good.

The mechanical digital automatic locking of being told is achieved in that

A, when automatically locking, bump stressed the sliding into of tongue and bump in the tongue cover, bump the tongue connecting rod and give power of jointed shaft; Jointed shaft slides in gathering sill, and two articulated jibs are under power-assisted extension spring effect, and the slideway cathetus of the driving lever on the lock on the lock sliding sleeve slides; Slide in the rectangle hole of driving lever on the lock on articulated jib; When driving lever slides in the semicircle recess, at this moment the lock self-locking promptly automatically locks;

B, when unblanking, press the button spindle that makes zero of unblanking, three push rods that the push rod of at this moment unblanking is identical with push rod and the jointed shaft on the linkwork are in line; Through the guide peg on the clearing device of unblanking, slide fastener, fixed wheel, change 90 degree to the direction of power, pass to three push rods identical with push rod, push jointed shaft; Jointed shaft slides in gathering sill; Articulated jib drives driving lever and lock slides, and in the lock indentation lock sliding sleeve, lock is opened;

When C, auto zero, press the button spindle that makes zero of unblanking, the teeth on the button spindle of unblanking to make zero are backed down the forearm in the connecting lever on the clearing device of unblanking, and connecting lever swing, balance staff rotate; Three the check steel discs identical with the check steel disc block digital wheel, and tooth bar slides, and the travelling gear on the main shaft rotates, stroke of tooth bar; Main shaft rotates a week, and the button spindle of unblanking to make zero resets, and the teeth on the button spindle of unblanking to make zero drive forearm and reset, and balance staff rotates; Three the check steel discs identical with the check steel disc separate with digital wheel, and tooth bar slides, and main shaft, digital wheel rotate; Zero point, post cooperated with the stopping means that makes zero, and digital wheel is motionless, and main shaft is rotated further; When the post at zero point on all digital wheels all is stuck on the stopping means that makes zero, the button spindle of unblanking to make zero resets, and auto zero finishes;

When D, the digital setting: number is set arbitrarily; Three identical push rods respectively with three zero point post point-blank, the number of at this moment unblanking is zero, identical three zero point post put the post hole at zero point on the arbitrary number code wheel dish clockwise respectively into; Corresponding zero position is several, and unlocking cipher is exactly several;

When E, password input: three the identical button spindles in the manual digital mechanism, press respectively, drive driving lever, spacing through banking stop; Driving lever is done and is insulted the shape motion, stir with digital wheel disc one side on moving tooth, do equal portions and rotate, by once; Digital wheel rotates a tooth position, and button spindle resets, and driving lever separates with moving tooth on the digital wheel disc; According to preset digital number, until to forward the stopping means position of making zero in alignment with three identical push rods, digital input is accomplished;

F, anti-close during to protection: on the digital wheels with anti-close anti-close to hangnail is arranged on the push rod to identical three of push rod; One of them anti-close the push rod action is stuck on one of them digital wheel disc, three the identical push rods on the digital wheel are not point-blank; Power passes not pass by, and lock is not just opened;

When G, indoor unblanking: at first will point through push-rod hole and promote the indoor push rod of unblanking, the push pedal on the at this moment indoor push rod of unblanking promotes the jointed shaft on the linkwork, and articulated jib rotates, and group cornice moving lock post slides in the lock sliding sleeve and gets final product.

The present invention's its beneficial effect compared with prior art is: this mechanical digital lock has automatic locking, auto zero function, the straight-tooth number of increase digital wheel or change digital wheel side; Can infinitely increase the password of lock, digital amount is big, and the number of unblanking is arbitrarily established; Anti-close to protection, by several down just correspondence be several encoding methods, independently secondary the lock; Designed the automatic locked mechanism of lock, and big without key, size of key, and confidentiality, safety and pick-proof performance are good, simple in structure, easy and simple to handle.

Description of drawings:

Below in conjunction with accompanying drawing the present invention is further specified.

Fig. 1. be structure chart of the present invention;

Fig. 2. for the present invention is the vertical view of Fig. 1;

Fig. 3. be the upward view of Fig. 1 of the present invention;

Fig. 4. be the state diagram partly to be locked of the present invention's machinery automatic locking;

Fig. 5. be the present invention's machinery automatic locking part locking condition figure;

Fig. 6 is the left view of Fig. 5 of the present invention;

Fig. 7 is the right view of Fig. 5 of the present invention;

Fig. 8 is the E-E sectional view of Fig. 5 of the present invention;

Fig. 9 is the structure chart of the indoor push rod lead of unblanking of the present invention;

Figure 10 is the A-A sectional view of Fig. 3 of the present invention;

Figure 11 is the B-B sectional view of Fig. 2 of the present invention;

Figure 12 is the C-C sectional view of Fig. 2 of the present invention;

Figure 13 is the D-D sectional view of Fig. 2 of the present invention;

Figure 14 is the manually defeated sign indicating number button mechanism of the present invention structure chart;

Figure 15 is the F-F sectional view of Figure 14 of the present invention;

Figure 16 is the present invention's button spindle structure chart of unblanking to make zero;

Figure 17 is the left view of Figure 16 of the present invention;

Figure 18 is the present invention button seat structure figure that unblanks to make zero;

Figure 19 is the left view of Figure 18 of the present invention;

Figure 20 is the structure chart of lock shell plate of the present invention.

The specific embodiment:

The mechanical digital automatic locking of being told is achieved in that

A, with reference to Fig. 1, Fig. 4, Fig. 5, when automatically locking, bump stressed the sliding into of tongue 29 and bump in the tongue cover 33; Bump tongue connecting rod 31 and give 22 1 power of jointed shaft; Jointed shaft 22 slides in gathering sill 20, and two hinge articulated jibs 26,35 are under power-assisted extension spring 73 effects, and slideway 65,68 cathetus of the driving lever 71,64 on the lock 66,119 on lock sliding sleeve 24,36 slide; Slide in the rectangle hole of driving lever 71,64 on articulated jib 35,26 on the lock 66,119; When driving lever 71,64 slides in the semicircle recess, at this moment lock 66,119 self-lockings promptly automatically lock;

B, with reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, when unblanking, press and unblank to make zero button spindle 48; At this moment unblank identical three push rods of push rod 54 and push rod 11 and the jointed shaft 22 on the linkwork in line; Through the guide peg on the clearing device of unblanking 50, slide fastener 52, fixed wheel 51, change 90 degree to the direction of power, pass to three push rods identical with push rod 11, push jointed shaft 22; Jointed shaft 22 slides in gathering sill 20; Articulated jib 26,35 drives driving lever 71,64 and lock 66,119 slides, and in lock 66, the 119 indentation lock sliding sleeves 24,36, lock is opened;

C, with reference to Fig. 1, Fig. 2, Fig. 3, Figure 16, Figure 18, during auto zero, press and unblank to make zero button spindle 48, the teeth 92 on the button spindle 48 of unblanking to make zero are backed down the forearm 8 in the connecting lever 7 on the clearing device of unblanking; Connecting lever 7 swings, balance staff 10 rotate, and block digital wheel with check steel disc 17 three identical check steel discs, and tooth bar 6 slides; Travelling gear 4 on the main shaft 47 rotates, 6 one strokes of tooth bar, and main shaft 47 rotates a week; The button spindle 48 of unblanking to make zero resets, and the teeth 92 on the button spindle 48 of unblanking to make zero drive forearms 8 and reset, and balance staff 10 rotates; Separate with digital wheel with check steel disc 17 three identical check steel discs, tooth bar 6 slides, and main shaft 47, digital wheel rotate; Zero point, post 46 cooperated with the stopping means 45 that makes zero, and digital wheel is motionless, and main shaft 47 is rotated further; When the post at zero point on all digital wheels all is stuck on the stopping means that makes zero, the button spindle 48 of unblanking to make zero resets, and auto zero finishes;

When D, the digital setting: number is set arbitrarily; Three push rods identical with push rod 11 respectively with zero point post 46 identical three zero point post point-blank; At this moment the number of unblanking is zero; With zero point post 46 identical three zero point post put the post hole at zero point on the arbitrary number code wheel dish in three digital wheel dishes identical clockwise respectively into digital wheel disc 18, corresponding zero position is several, unlocking cipher is exactly several;

E, with reference to Fig. 1, Figure 10, Figure 11, Figure 12, Figure 13, during the input of E, password: three the identical button spindles in the manual digital mechanism, press respectively; Drive driving lever 44, spacing through limit sheet 85, driving lever 44 is done and is insulted the shape motion; Stir with digital wheel disc 18 1 sides on moving tooth 16, do equal portions and rotate, by once; Digital wheel rotates a tooth position, and button spindle 56 resets, and driving lever 44 separates with moving tooth 16 on the digital wheel disc 18; According to preset digital number, until to forward the stopping means position of making zero in alignment with three identical push rods, digital input is accomplished;

F, with reference to Fig. 1; Anti-close during to protection: on the digital wheels with anti-close anti-close to hangnail is arranged on the push rod to identical three of push rod 13; One of them anti-close the push rod action is stuck on one of them digital wheel, three push rods identical with push rod 11 on the digital wheel are not point-blank; Power passes not pass by, and lock is not just opened;

G, with reference to Fig. 4, Fig. 5; During indoor unblanking: at first will point through push-rod hole 61 and promote the indoor push rod 58 of unblanking; At this moment the jointed shaft 22 that the push pedal 59 on the indoor push rod 58 of unblanking promotes on the linkwork; Articulated jib 35,26 rotates, and dials post 71,64 drive locks 66,119 and slides into lock sliding sleeve 24,36 interior getting final product.

Claims (10)

1. mechanical digital automatic locking; Partly form by lock shell, mechanical digital control section and mechanical automatic locking; It is characterized in that: the lock shell is made up of lock shell plate and lock cap; Wherein lock shell plate is a rectangular steel plates; Rectangle button unthreaded hole, three the fixedly fixing fixing fixing unthreaded hole of the jointed shaft slideway in unthreaded hole, three digital button spindle unthreaded holes, the linkwork of unthreaded hole, six manually defeated sign indicating number button mechanism holders of unthreaded hole, six digital wheel group mechanisms and back-stop mechanism bearing of button bearing of unblanking to make zero of unblanking to make zero is arranged on the lock shell plate; Three fixedly fixedly unthreaded holes, four lock shell plates and fixing unthreaded hole of unthreaded hole, two lock shells of stopping means that make zero; Two lock shells fixedly unthreaded hole, four fixed screws, two lock sliding sleeve fixed screws, two lock slip unthreaded holes, six linkwork bearing fixed screws, two indoor fixedly fixed screw, one group of post fixed screws on unthreaded hole, indoor push rod fixed screw of unblanking, the indoor push rod slideway of unblanking of push rod lead of unblanking are arranged at the bottom of the lock cap inner chamber; The mechanical digital control section is made up of digital wheels mechanism, back-stop mechanism, three digital wheel group mechanisms and back-stop mechanism bearing, three manually defeated ink recorder structures, the mechanism of unblanking to make zero, the stopping means that make zero; The mechanical braking latching segment is formed by bumping tongue device, two lock devices and linkwork; Wherein three digital wheel group mechanisms in the mechanical digital control section and back-stop mechanism bearing; With six digital wheel group mechanisms on the lock shell plate and back-stop mechanism bearing fixedly unthreaded hole corresponding matching screw fix; Holder on identical with holder three manually defeated ink recorder structures and with lock shell plate on six manually defeated ink recorder structure holders fixedly unthreaded hole corresponding matching screw fix; On bearing and the lock shell plate in the mechanism three of unblanking to make zero unblank to make zero the button bearing fixedly unthreaded hole corresponding matching screw fix; On three make zero stopping means one end and the lock shell plates three make zero stopping means fixedly unthreaded hole corresponding matching screw fix; The tongue cover that bumps that bumps on the tongue device in the machinery automatic locking part is fixed with lock cap side inwall matching and fixing screw; Lock sliding sleeve on two lock devices in the machinery automatic locking part and two lock sliding sleeves on the lock cap fixedly unthreaded hole corresponding matching lock sliding sleeve fixed screw are fixed, and two holders in the linkwork cooperate screw to fix with lock cap inner chamber, and lock cap and lock shell plate latch-closing screw are fixed.

2. a kind of mechanical digital automatic locking of telling according to claim 1 is characterized in that: the digital wheels mechanism in the mechanical digital control section, by main shaft, three digital wheels, three push rods, three anti-close push rod, three limited posts that make zero are formed; Main shaft has a travelling gear near an end, and main shaft two ends external diameter cooperates with three digital wheel group mechanisms and back-stop mechanism bearing respectively, and digital wheel is made up of wheel disc, a pair of wheel hub; Digital wheel disc external diameter has the check teeth, and a side is evenly equipped with digital moving tooth, and there is unthreaded hole at the center; Near round week of external diameter being evenly equipped with 20 zero-position aperture, be evenly distributed in ten identical fore-set holes with anti-close between center unthreaded hole and zero-position aperture on the digital wheel disc to the hole; A pair of wheel hub is respectively two step-like wheel hubs, and the check spring is arranged in the step-like wheel hub, and a pair of step-like wheel hub large-diameter portion side is the plane; There is axis hole at step-like wheel hub center; The wherein identical step-like wheel hub of three couples with a pair of step-like wheel hub, every pair of large-diameter portion side is relative, and shaft hole diameter cooperates with the main shaft external diameter; Three wheel discs cooperate respectively with between every pair of step-like wheel hub; The check spring cooperates with wheel disc, and digital wheel disk center unthreaded hole cooperates with the main shaft external diameter, and back-moving spring is arranged on the push rod; Three wherein identical push rod one ends respectively with identical three wheel discs on jogger hole with anti-close jogger hole is slidingly matched; Three are anti-close identical to push rod structure, with one be example, anti-close to check hangnail and back-moving spring are arranged on the push rod; Identical three anti-close to push rod have check hangnail end respectively with digital wheel disc on any jogger hole on identical three wheel discs with anti-close jogger hole is slidingly matched, identical three make zero limited post respectively with identical three wheel discs on any zero-position aperture tight fit.

3. a kind of mechanical digital automatic locking of telling according to claim 1 is characterized in that: back-stop mechanism is made up of balance staff, swing arm, swing arm stage clip, check steel disc, wherein; Fixedly unthreaded hole of a swing arm is arranged on the balance staff; Three check steel discs are unthreaded hole fixedly, and swing arm is made up of connecting lever, forearm and swing arm stage clip, and an end has unthreaded hole; Swing arm one end unthreaded hole and swing arm stage clip and with balance staff external diameter and balance staff on the fixing unthreaded hole relative engagement rivet rivet clasp of swing arm; The swing arm other end has a duckbilled, and a twisted axis is arranged on the duckbilled, unthreaded hole on the forearm and the twisted axis coordination hinge on the duckbilled; Three the check steel discs identical with the check steel disc respectively with balance staff on the fixing unthreaded hole relative engagement rivet rivet clasp of three check steel discs, the balance staff two ends cooperate with three digital wheel group mechanisms and back-stop mechanism bearing.

4. a kind of mechanical digital automatic locking of telling according to claim 1; It is characterized in that: the stopping means that makes zero is a steel wire; One end has a quarter bend; The other end is the U font, cooperating on identical with the stopping means that makes zero three make zero stopping means right angle bent-up end and three wheel discs identical with digital wheel disc with the identical limited post that makes zero of post at zero point, on U font end and the lock shell plate make zero stopping means fixedly unthreaded hole relative engagement screw fix.

5. a kind of mechanical digital automatic locking of telling according to claim 1 is characterized in that: the mechanism of unblanking to make zero by bearing, the button spindle of unblanking to make zero, the push rod of unblanking, slide fastener, tooth bar, fixed wheel, fixed wheel axle form, bearing is one L shaped; L shaped transverse part is a holder, and three unthreaded holes are arranged on the holder, and L shaped facade has a vertical slideway; One side has a vertical chute, and opposite side has a unthreaded hole, and there is a through hole side; The button spindle of unblanking to make zero is a flat bar, and a vertical slideway is vertically arranged at top, and top one side has 90 degree guide posts; Teeth are simultaneously arranged at top, and the button spindle of unblanking to make zero passes rectangle on the lock shell plate button hole of unblanking to make zero and cooperates, and the L shaped facade on its top and the bearing is slidingly matched; Vertical slideway on guide post and the bearing is slidingly matched, and the forearm in the swing arm in teeth and the back-stop mechanism cooperates, and push rod one end of unblanking is 90 degree bendings; Unblanking has spring on the push rod, and unblank push rod and bearing side through hole are slidingly matched, and slide fastener one end cooperates with the push rod 90 degree bending portions of unblanking; The other end cooperates with guide post on the button spindle of unblanking to make zero, and the fixed wheel axle cooperates rivet clasp with bearing one sidelight hole, and fixed wheel cooperates with the fixed wheel axle; Vertical slideway on the fixed wheel and cooperate with spacing slide fastener, tooth bar and the button spindle of unblanking to make zero and the vertical chute on the bearing are slidingly matched, tooth bar and cooperate with travelling gear on the main shaft.

6. a kind of mechanical digital automatic locking of telling according to claim 1 is characterized in that: manually defeated ink recorder structure, manually defeated ink recorder structure are to be become with the button spindle compression spring set by holder, button spindle, button sleeve pipe, banking stop, spacing bobbin, spacing horse, driving lever, driving lever lead, driving lever lead compression spring; Holder, button sleeve pipe, spacing horse are one, and two fixedly unthreaded holes are arranged on the holder, and an opening is vertically arranged at button sleeve pipe bottom; The top inner chamber has driving lever lead compression spring; One through hole is arranged on the driving lever lead, and driving lever cooperates with through hole on the driving lever lead, and driving lever lead compression spring is arranged in the driving lever lead internal diameter; Spacing horse has a spacing bobbin; Banking stop cooperates with spacing bobbin one end, and the banking stop torsion spring cooperates with banking stop and spacing horse, and button spindle is a straight-bar; The one of which end has boss, and the button hole that button spindle passes on the lock shell plate has the boss end to cooperate with driving lever lead inner chamber and button spindle compression spring.

7. a kind of mechanical digital automatic locking of telling according to claim 1 is characterized in that: bump the tongue device and be by bumping the tongue cover, bump tongue, bump tongue compression spring, bump the tongue connecting rod, bumping tongue connecting rod compression spring set, bumping the tongue cover is a tubbiness; Suitable for reading have an outer, and four unthreaded holes are arranged on the outer, and a bucket center, the end has one flat mouthful; Bumping tongue is one cylindrical with bumping tongue cover mating part, and to eject part be steamed bun shape, and an end is the plane; There is a dark unthreaded hole at the center, and there is shallow unthreaded hole dark unthreaded hole both sides, center, and it is tabular bumping the tongue connecting rod; The torsion spring post fixedly unthreaded hole with dial arm jointed shaft fixing hole, bump the tongue external diameter and be slidingly matched with bumping tongue cover internal diameter, bump tongue compression spring and the shallow unthreaded hole that bumps dark unthreaded hole both sides, tongue center and bump tongue and overlap and cooperate; Bump tongue connecting rod compression spring external diameter and bump the dark unthreaded hole in tongue center and cooperate; Its internal diameter with bump the tongue connecting rod and cooperate, the tongue hole site of bumping on bumping the tongue cover and locking the cap inside wall cooperates, fixed screw is fixed.

8. a kind of mechanical digital automatic locking of telling according to claim 1; It is characterized in that: the lock device is made up of lock sliding sleeve, lock, and a slideway is arranged on the lock sliding sleeve, and two unthreaded holes are arranged relatively; One driving lever is arranged on the lock; Wherein two lock sliding sleeves cooperate lock sliding sleeve fixed screw to fix with the lock cap, and two lock external diameters cooperate two lock sliding sleeves with two lock sliding sleeve internal diameters; Its front end is slidingly matched with two lock unthreaded holes of lock on the cap, and the driving lever on two locks cooperates with two slideways on two lock sliding sleeves.

9. a kind of mechanical digital automatic locking of telling according to claim 1 is characterized in that: linkwork by two linkwork bearings, two articulated arm, two power-assisted extension spring posts, power-assisted extension spring, two hinged armshafts, jointed shafts, dial arm, dial the arm torsion spring, the indoor push rod of unblanking, the indoor push rod lead and dial post and form of unblanking, two linkwork seat structures are identical; With one be example, form by holder and column, four unthreaded holes are arranged on the holder; Column and holder are one, and the holder on two linkwork bearings cooperates screw to fix with lock cap 1, and articulated arm one end has the sliding mouth of a rectangle; Its sliding mouthful of side is the semicircle recess, and power-assisted extension spring post, the hinged unthreaded hole of linkwork bearing, the hinged unthreaded hole of hinged armshaft are arranged on the articulated arm, and the hinged unthreaded hole of linkwork bearing on two articulated arm locks hinged with the column diameter of axle attaching nut on the linkwork bearing; Power-assisted extension spring two ends cooperate with two power-assisted extension spring posts; The footpath be a particle size in the jointed shaft, and two ends be thin footpath, two hinged armshaft one ends respectively with jointed shaft two ends coordination hinge directly carefully; Jointed shaft and be slidingly matched with gathering sill on the lock shell plate; Two hinged armshaft other ends respectively with articulated arm on the hinged unthreaded hole coordination hinge of hinged armshaft, sliding mouthful of the rectangle of articulated jib one end cooperates with driving lever external diameter on the lock, dials arm and group arm torsion spring and bumps and bump tongue connecting rod coordination hinge on the tongue; Dialling post cooperates screw to fix with the lock cap; The indoor push rod of unblanking is made up of push rod, ejector pin retaining plate, push rod slideway, push pedal, spring, the indoor push rod lead of unblanking, and having on the indoor push rod lead of unblanking has two unthreaded holes on holder and the holder, and a guiding unthreaded hole is arranged on the indoor push rod lead of unblanking; Holder on the indoor push rod lead of unblanking cooperates screw to fix with the lock cap; Indoor push rod one end of unblanking is 90 degree bent-up ends, near the other end one push pedal is arranged, and push pedal cooperates with the thin footpath of jointed shaft one end; Guiding unthreaded hole on its outer end diameter and the indoor push rod lead of unblanking is slidingly matched; Spring inside diameter cooperates with the indoor push rod of unblanking, both ends of the spring and cooperate between the push rod lead in push pedal and indoor unblanking, and ejector pin retaining plate cooperates with push rod and lock cap; Fixed screw is fixed, and the push rod slideway is fixed with lock cap medial surface matching and fixing screw.

10. a kind of mechanical digital automatic locking of being told according to claim 1,2,3,4,5,6,7,8,9 is characterized in that: the mechanical digital automatic locking is achieved in that

A, when automatically locking, bump stressed the sliding into of tongue and bump in the tongue cover, bump the tongue connecting rod and give power of cardan axle; Cardan axle slides in gathering sill, and two articulated arm are under power-assisted extension spring effect, and the slideway cathetus of the driving lever on the lock on the lock sliding sleeve slides; Slide in the rectangle hole of driving lever on the lock on articulated jib; When driving lever slides in the semicircle recess, at this moment the lock self-locking promptly automatically locks;

B, when unblanking, press the button spindle that makes zero of unblanking, three push rods that the push rod of at this moment unblanking is identical with push rod and the jointed shaft on the linkwork are in line; Through the guide peg on the clearing device of unblanking, slide fastener, fixed wheel, change 90 degree to the direction of power, pass to three push rods identical with push rod, push cardan axle; Cardan axle slides in gathering sill; Articulated jib drives driving lever and lock slides, and in the lock indentation lock sliding sleeve, lock is opened;

When C, auto zero, press the button spindle that makes zero of unblanking, the teeth on the button spindle of unblanking to make zero are backed down the forearm in the connecting lever on the clearing device of unblanking, and connecting lever swing, balance staff rotate; Three the check steel discs identical with the check steel disc block digital wheel, and tooth bar slides, and the travelling gear on the main shaft rotates, stroke of tooth bar; Main shaft rotates a week, and the button spindle of unblanking to make zero resets, and the teeth on the button spindle of unblanking to make zero drive forearm and reset, and balance staff rotates; Three the check steel discs identical with the check steel disc separate with digital wheel, and tooth bar slides, and main shaft, digital wheel rotate; Zero point, post cooperated with the stopping means that makes zero, and digital wheel is motionless, and main shaft is rotated further; When the post at zero point on all digital wheels all is stuck on the stopping means that makes zero, the button spindle of unblanking to make zero resets, and auto zero finishes;

When D, the digital setting: number is set arbitrarily; Three identical push rods respectively with three zero point post point-blank, the number of at this moment unblanking is zero, identical three zero point post put the post hole at zero point on the arbitrary number code wheel dish clockwise respectively into; Corresponding zero position is several, and unlocking cipher is exactly several;

When E, password input: three the identical button spindles in the manual digital mechanism, press respectively, drive driving lever, spacing through banking stop; Driving lever is done and is insulted the shape motion, stir with digital wheel disc one side on moving tooth, do equal portions and rotate, by once; Digital wheel rotates a tooth position, and button spindle resets, and driving lever separates with moving tooth on the digital wheel disc; According to preset digital number, until to forward the stopping means position of making zero in alignment with three identical push rods, digital input is accomplished;

F, anti-close during to protection: on the digital wheels with anti-close anti-close to hangnail is arranged on the push rod to identical three of push rod; One of them anti-close the push rod action is stuck on one of them digital wheel disc, three the identical push rods on the digital wheel are not point-blank; Power passes not pass by, and lock is not just opened;

When G, indoor unblanking: at first will point through push-rod hole and promote the indoor push rod of unblanking, the push pedal on the at this moment indoor push rod of unblanking promotes the jointed shaft on the linkwork, and articulated jib rotates, and group cornice moving lock post slides in the lock sliding sleeve and gets final product.

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