CN105545105A

CN105545105A - Mechanical coded lock

Info

Publication number: CN105545105A
Application number: CN201610111804.8A
Authority: CN
Inventors: 李瑞群
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-02-26
Filing date: 2016-02-26
Publication date: 2016-05-04
Anticipated expiration: 2036-02-26
Also published as: CN105545105B

Abstract

The invention relates to the technical field of mechanical locks, and discloses a mechanical coded lock. The mechanical coded lock comprises a face plate, a door lock opening mechanism, a coded lock structure and a bottom plate. The door lock opening mechanism comprises a handle, a transmission shaft, a resetting sheet, a supporting plate, a flat plate, a pushing block A and a pushing block B. The coded lock structure comprises a graduated disc, a pressing rod, an ejecting piece, a code disc, a lock disc and a spring bolt. The effect of unlocking a door with figures rather through a key is achieved based on the mechanical principle, and thus the mechanical coded lock is safe, simple and convenient to use. The coded lock can prevent a code from being tested, the number of code digit clamping pins can be correspondingly increased according to customer needs to increase the digit of the code, and thus the coded lock has very high confidentiality and safety.

Description

A kind of mechanical code lock

Technical field

The present invention relates to mechanical lock technical field, particularly relate to a kind of mechanical code lock.

Background technology

Mechanical lock must have safety, stability as safety precaution product.Safety can be weighed from two aspects: one is the violence damage such as the intentional destruction of opposing, mischief and premeditated sled, brill.Two is that precautionary technology is opened, the poor ability of the anti-technical opening of standard machinery lock.Sometimes, because the stability of mechanical lock occurs abnormal, lock is often appeared at when should open and does not open, the phenomenon such as not close during this closedown, bring a lot of trouble.

At present, when a people goes on a journey, wear bunch of keys always, as car key, office key, house keys (divide again register one's residence, study, a few class such as bedroom) etc., big and small 6 ~ 8 keys at least of adding up, 10 above key at most.Enabling is selected during key and is easily disarrayed, consuming time loaded down with trivial details, and operation is inconvenience very.If key loss, force open the door or force open the door, cause changing Men Huansuo, puzzlement daily life.

For these reasons, mechanical code lock is widely applied, and the rotary disk type mechanical coded lock in coded lock widely uses in safety cabinet, file cabinet, security door, warehouse gate and mechanical jam mechanism.The advantage of this coded lock is without key, without power supply, without battery, simple to operate; Owing to being full mechanical and structure is simple, can bear quite severe external environment condition, reliably solid, the scope of application is wide.But standard machinery coded lock is easier to be tested out code data by the experienced person that illegally do not unblank, and therefore there is more serious potential safety hazard.

Summary of the invention

Goal of the invention of the present invention is: for above-mentioned Problems existing, provides a kind of mechanical code lock.Mechanical code lock of the present invention is full mechanical, and unlocking cipher can be prevented without the need to key tested.

The technical solution used in the present invention is as follows:

A kind of mechanical code lock, comprises panel, door lock opening mechanism, cipher lock structure and base plate,

Described door lock opening mechanism comprises handle, power transmission shaft, reseting plate, flat board, pushing block A and pushing block B, and described handle is fixed on panel through power transmission shaft, and power transmission shaft is through panel and base plate; Gripper shoe vertical surrounding is in the surrounding of base plate, dull and stereotyped parallel with base plate, and the side of flat board is connected with gripper shoe is vertical; From base plate along power transmission shaft direction backward, pushing block A and pushing block B is socketed with power transmission shaft from front to back successively, the middle part of the pushing block A other end and pull bar is socketed, and pull bar is socketed with elastomeric element A and is positioned on the opening of the gripper shoe vertical with base plate outside one end of gripper shoe; The pushing block B other end has gathering sill, and gathering sill is progressive additive from top to bottom;

Described cipher lock structure comprises dial, depression bar, holder reel, combination disk, lock collar and dead bolt, dial is located at the front of panel, the rear end of dial extends to panel back, and be connected with panel rotation in the circular dial that makes, sleeve is provided with between panel and base plate, along the direction of dial central axis in sleeve, depression bar is arranged at intervals with successively by after forward direction, holder reel, combination disk, the outside of combination disk is arranged with lock collar, wherein, the circular groove at described depression bar front end and dial center is slidably connected, between depression bar front end and panel, elastic component is installed, elastic component is enclosed within outside depression bar, depression bar rear end is passed panel and is connected with leverage A, described leverage A is L-type, be connected with the rear end of depression bar in the middle part of the master arm of L-type leverage horizontally set, passive arm comprises the thimble longitudinally arranged, the central axis of described holder reel passes base plate along combination disk center, and the one section outside cover flexible of the central axis of holder reel between combination disk and base plate, the excircle of holder reel is evenly equipped with several holder grooves towards the direction in axle center, holder is provided with in holder groove, the position of holder is mated one by one with the scale on dial, when assigned scale being threaded to the password indicator graduation lines on panel, the position of thimble rotates to the holder mated with assigned scale start bit, and when depression bar is pressed, holder is ejected, one end of holder is made to protrude from holder reel, the excircle of described combination disk is evenly equipped with several bayonet lock grooves towards the direction in axle center, bayonet lock and elastic component is arranged with from front to back in each bayonet lock groove, bayonet lock and holder one_to_one corresponding, bayonet lock front end protrudes from combination disk, and be located at holder when holder protrudes from holder reel and give prominence to the dead astern of one end, bayonet lock is divided into password position bayonet lock and non-password position bayonet lock, position and the set password of password position bayonet lock match in the position of dial, bayonet lock rear portion, described password position or front and rear are provided with projection C, in the middle part of the bayonet lock of non-password position or middle part and above position are provided with projection C, described lock collar is provided with several teeth groove, and teeth groove one_to_one corresponding is located at the outside at bayonet lock rear portion, and the projection C of password position bayonet lock extend in teeth groove,

Reseting plate one end is connected with power transmission shaft by leverage B, and is installed between panel and base plate, and the other end is positioned at directly over holder reel; Be provided with dividing plate through between the central axis rear end of the holder reel of base plate and base plate, dividing plate one end is fixed on base plate, and the other end is provided with the projection B parallel with base plate, between the projection B that the gathering sill of described pushing block B is placed in dividing plate and base plate; Lock collar upper end is provided with fixture, and fixture is connected with the pull bar other end is vertical through base plate, and fixture is connected with dead bolt, and dead bolt is positioned on flat board.

Operating principle of the present invention is: when needs are unblanked, according to the unlocking cipher set (supposing that unlocking cipher only arranges one digit number), rotation scale, a scale on dial correspond to the one-bit digital of unlocking cipher, assigned scale is threaded to the password indicator graduation lines on panel, now the position of thimble rotates accordingly to the holder mated with assigned scale start bit, press a down-pressed pole, depression bar backward, and promote leverage A, holder in holder groove ejects by the thimble that leverage A passive arm is longitudinally arranged, the dead astern of outstanding holder one end is corresponding with the front end of password position bayonet lock, when downward pressure handle hand, handle drives drive axis, power transmission shaft drives pushing block B upwards to rotate, because the gathering sill of pushing block B is along with upwards rotating and progressive additive, and then contact with the projection B on dividing plate, along with pushing block B upwards rotates further, the dividing plate be connected with projection B and holder reel opposed bottom are pulled back, outstanding holder is pressed on the bayonet lock of password position by holder reel while pusher, password position bayonet lock elastic component is below squeezed and compresses backward, password position bayonet lock is moved backward, and the projection C of password position bayonet lock no longer sticks lock collar, pushing block A can be driven upwards to rotate while when pushing block B rotates, pull bar relative support plate is pulled outwardly while rotating by pushing block A, pull bar drives lock collar to rotate simultaneously, because password position bayonet lock projection C no longer sticks lock collar, therefore lock collar can be rotated, thus dead bolt is pulled outwardly, and then lock is opened.

When password bad, rotation scale is to the password indicator graduation lines on panel and depress depression bar, holder in holder groove ejects by thimble, because password bad, the dead astern of outstanding holder one end is corresponding with the front end of non-password position bayonet lock, when downward pressure handle hand, outstanding holder is pressed on the bayonet lock of non-password position, non-password position bayonet lock elastic component is below squeezed and compresses backward, non-password position bayonet lock is moved backward, but not password position bayonet lock is middle part or middle part and above position is provided with projection C, it did not block lock collar originally, but not password position bayonet lock mobile backward after, projection C extend in teeth groove, thus the rotation of restriction lock collar 24, even if now pull bar is pulled outwardly lock collar, lock collar also cannot be rotated because of being stuck, lock cannot be opened.

When after password bad, coded lock need be resetted just can re-start and unblank, the process resetted is for lift handle, leverage B is utilized by reseting plate to pressing down while making drive axis, be pressed on directly over holder reel, then rotation scale one week, the holder that holder reel has been released is returned in reel, completes reset.

The present invention can set the password of not isotopic number as required, only needs the password position bayonet lock placing equal number according to the password figure place of setting, and is positioned over by password position bayonet lock and represents in the bayonet lock groove of respective digital; When password changed by needs, accordingly password position bayonet lock and non-password position bayonet lock are replaced mutually.

Further, described holder comprises top bar A and top bar B, top bar A is arranged at close central axis one end of holder groove and extends upwardly to outside holder groove, top bar B is connected with top bar A is vertical and is located in holder groove, top bar B is arranged at intervals with groove A and groove B from inside to outside, groove B is provided with flexible positioning piece above, and when depression bar is pressed, flexible positioning piece blocks groove A makes one end of top bar B fixedly protrude from holder reel.

Further, one end that described pushing block A is connected with power transmission shaft is also connected with catch, described catch comprises connecting rod and prerotation vane, connecting rod one end is connected with power transmission shaft, the other end is connected with the lower end of prerotation vane, prerotation vane is arranged on the outside of gathering sill and matches with gathering sill, and gathering sill can slide up and down along prerotation vane, and the thickness of prerotation vane is identical with the thickness of gathering sill lower end.

The present invention arranges the stroke acting as control holder reel of catch in certain scope, when handle continues to be pressed downwardly onto to a certain degree, projection B is blocked in the lower end of prerotation vane, and then blocks dividing plate, thus holder axle cannot be moved by opposed bottom more backward, control the stroke of holder reel.

Further, described pushing block B is provided with the projection A parallel with power transmission shaft near the side of power transmission shaft, on described power transmission shaft, pushing block B's is also socketed with pushing block C below, the excircle of pushing block C is from top to bottom arranged at intervals with and promotes bar A and promote bar B, projection A is arranged at and promotes bar A and promote between bar B, when handle is not pressed, promotes bar A and contacts with projection A, when handle is pressed, promotion bar B upwards rotates promotion projection A and upwards rotates.

Further, described leverage A comprises master arm, the strong point and passive arm, and the angle that described master arm and passive arm are formed is 60 ~ 170 °; Wherein, described master arm is the pad of square, and the center of pad is provided with through hole, and the rear end of depression bar is passed through hole and is connected with master arm; The described strong point comprises elastomeric element C and nut, the thimble fixed end that described passive arm comprises thimble and is connected with thimble, thimble fixed end is parallel with pad, and be connected with pad by nut, elastomeric element C is provided with between pad and the fixed end of thimble, elastomeric element C is enclosed within outside nut, the junction of thimble and thimble fixed end is provided with rotating shaft, the protuberance of passive arm and the circular rear end of dial links together by rotating shaft, and the free end of thimble is arranged on the inner side of holder groove near central axis one end.

The operating principle of leverage A of the present invention is: rotation scale, and the rotating shaft of dial drives the thimble on passive arm to rotate, and the free end of thimble is alignd with the holder mated one by one with the scale on dial; When depression bar is pressed, the master arm (i.e. pad) be connected with depression bar compresses backward, elastomeric element C compresses the thimble fixed end on passive arm, now passive arm is along axis of rotation, rotational angle can be 60 ~ 170 °, thimble free end on passive arm produces the inner side of holder groove, is ejected by the holder of correspondence; When unclamping depression bar, elastomeric element C resets, and the free end of thimble resets the inner side of sub-trenches near central axis one end that return back to top.Utilize lever principle to be released by thimble, reduce the wearing and tearing of inner body, improve precision and the work accuracy of coded lock.

Further, described leverage B comprises partition and two springs, one end of partition is connected with the lower end of spring B with the upper end of spring A respectively, the middle part of the other end and reseting plate is fixed on base plate by fixture, one end that partition is connected with spring A is arranged on above power transmission shaft, the lower end of spring A is fixed on inside base plate, the upper end of spring B is connected with one end of reseting plate, the other end of reseting plate is arranged on the top of holder reel, screw rod is had to pass inside spring B, lower end and the partition of screw rod are slidably connected, the upper end of screw rod passes reseting plate, and screw rod upper end is socketed with the locating part of restriction reseting plate travel distance.

The operating principle of leverage B of the present invention is drive axis, makes the link upwards jack-up of partition and spring, one end of spring B upwards jack-up reseting plate, and the other end of reseting plate is walked downwards and to be contacted with holder reel, and can return back to top holder pressing sub-trenches.

Further, described pad is fixed with resetting block away from one end of passive arm, and the free end of resetting block contacts near central axis one end with holder groove, and one end that resetting block and holder trench intersection touch is ramped shaped.

What the present invention arranged resetting block act as when holder top is back among holder groove by reseting plate, prevent reseting plate from being ejected by holder outside holder groove, the free end of ramped shaped can reduce the contact area of resetting block and holder, causes damage when avoiding reseting plate to be resetted by holder to holder.

Further, the described floor rear be connected with lock collar fixture is also provided with positive stop strip, and described positive stop strip is parallel with pull bar, and is fixed on floor rear by positive stop strip fixture; Overlap flexible parts G outside one end of positive stop strip, when mechanical code lock is closed, the other end of positive stop strip heads on the side of lock collar fixture rear end.

The present invention arranges the effect acting as fine setting of positive stop strip, ensures that the gear of lock collar and the projection C goed deep on the bayonet lock of teeth groove can not be impaired because rubbing mutually during micro-rotation or collide.

Further, the middle part of described pushing block A is also connected with elastomeric element E, and one end of elastomeric element E is connected with the middle part of pushing block A, and the other end is positioned on the opening of the gripper shoe vertical with base plate.

Elastomeric element E of the present invention resets for helping power transmission shaft, plays buffering and resets.

Further, flexible parts F is overlapped outside one end that described pull bar is connected with lock collar fixture.

The present invention arranges elastomeric element F mono-aspect can ensure that the gear of lock collar can return completely, cannot loosening, playing cushioning effect on the other hand when pulling lock collar, preventing from breaking inner bayonet lock and gear because exerting oneself excessive.

The tested principle of the anti-password of the present invention is:

(1) clutch structure: suppose that dial and depression bar are part A, holder reel is part B, and coded lock and lock collar are C part, when rotation scale and compression depression bar, the holder of holder reel is ejected, part A and part B work, is in released state with C part; And when the holder be pushed out presses bayonet lock backward, part B and C some work, with part A for released state, this clutch state can prevent others from testing password by the collision of gear and bayonet lock; To again test password, then must re-start reset, adding the safety of coded lock.

(2) positive stop strip of plate outer side is the effect of fine setting, ensures that the gear of lock collar and the projection C of bayonet lock can not block mutually because of during micro-rotation, thus also prevents others from testing password by the friction of gear and bayonet lock or collision.

In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:

(1) mechanical code lock scientific structure design of the present invention rationally, novel unique, not fragile and easy to maintenance;

(2) the present invention uses theory of mechanics, and realize without key but the effect of Applied Digital enabling, safety is simple and direct, and quality is superior; Overcome the defect that existing lock body needs with key switch door, also solve switch gate loaded down with trivial details or lose the various problems that key brings simultaneously;

(3) the present invention has high safety, and it prevents password tested by the positive stop strip of clutch structure and plate outer side, greatly improves the security performance of mechanical rotation plate cipher lock;

(4) the present invention can according to customer demand corresponding increase password position bayonet lock quantity, thus increase the figure place of password, password figure place is more, what it combined may be also more, along with the raising of coded lock precision, password figure place can arbitrarily increase, and thus the combined number of password of the present invention is very many, there is selective and confidentiality widely, not easily extracted easily.

Accompanying drawing explanation

Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:

Fig. 1 is embodiment panel construction elevation;

Fig. 2 is embodiment base arrangement unlocking condition rear elevation;

Fig. 3 is embodiment base arrangement blocking rear elevation;

Fig. 4 is embodiment lever construction and reseting plate connection diagram;

Fig. 5 is embodiment lock collar and pull bar connection diagram;

Fig. 6 is embodiment holder reel structure top view;

Fig. 7 is embodiment cipher lock structure top view;

Fig. 8 is the axial sectional view of embodiment cipher lock structure;

Fig. 9 is embodiment lock collar structure top view;

Figure 10 is embodiment cipher lock structure sectional view;

Figure 11 is embodiment holder structure chart.

Wherein, 1-panel, 2-handle, 3-dial, 4-depression bar, 5-power transmission shaft, 6-pushing block A, 7-elastomeric element E, 8-pull bar, 9-pushing block C, 10-projection A, 11-pushing block B, 12-projection B, the axle of 13-holder reel, 14-dividing plate, 15-positive stop strip, 16-dead bolt, 17-spring A, 18-spring B, 19-reseting plate, 20-partition, 21-holder reel, 22-holder, 23-combination disk, 24-lock collar, 25-master arm, 26-thimble, 27-resetting block, 28-password position bayonet lock, 29-non-password position bayonet lock, 30-fixture, 31-base plate, 32-gripper shoe, 33-catch, 34-elastomeric element F, 35-is dull and stereotyped, 36-elastomeric element C, 37-passive arm, 38-flexible positioning piece, 39-pushes up bar A, 40-pushes up bar B, 41-groove A, 42-groove B.

Detailed description of the invention

All features disclosed in this manual, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.

Arbitrary feature disclosed in this manual (comprising any accessory claim, summary), unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.

A kind of mechanical code lock, comprises panel 1, door lock opening mechanism, cipher lock structure and base plate 31,

As shown in Fig. 1 ~ 3, door lock opening mechanism bag handle 2, power transmission shaft 5, reseting plate 19, gripper shoe 32, flat board 35, pushing block A6 and pushing block B11, handle 2 is fixed on panel 1 through power transmission shaft 5, and power transmission shaft 5 is through panel 1 and base plate 31; Gripper shoe 32 vertical surrounding is in the surrounding of base plate 31, and flat board 35 is parallel with base plate 31, and the side of dull and stereotyped 35 is connected with gripper shoe 32 is vertical; From base plate 31 along power transmission shaft 5 direction backward, pushing block A6 and pushing block B11 is socketed with power transmission shaft 5 from front to back successively, and the pushing block A6 other end is connected with pull bar 8, and pull bar 8 is provided with elastomeric element A near one end of gripper shoe 32 and is positioned in gripper shoe 32; The pushing block B11 other end has gathering sill, and gathering sill is progressive additive from top to bottom;

As shown in Fig. 5 ~ 10, cipher lock structure comprises dial 3, depression bar 4, holder reel 21, combination disk 23, lock collar 24 and dead bolt 16, dial 3 is located at the front of panel 1, the rear end of dial 3 extends to after panel 1, and be rotationally connected in circular dial 3 and the panel 1 of making, sleeve is provided with between panel 1 and base plate 31, along the direction of dial 3 central axis in sleeve, depression bar 4 is arranged at intervals with successively by after forward direction, holder reel 21, combination disk 23, the outside of combination disk 23 is arranged with lock collar 24, wherein, the circular groove at depression bar 4 front end and dial 3 center is slidably connected, between depression bar 4 front end and panel 1, elastic component is installed, elastic component is enclosed within outside depression bar 4, depression bar 4 rear end is passed panel 1 and is connected with leverage A, leverage A is L-type, be connected with the rear end of depression bar 4 in the middle part of the master arm of L-type leverage horizontally set, passive arm 37 comprises the thimble 26 longitudinally arranged, the central axis of holder reel 21 passes base plate 31 along combination disk 23 center, and the one section outside of the central axis of holder reel 21 between combination disk 23 and base plate 31 overlaps flexible, the excircle of holder reel 21 is evenly equipped with several holder grooves towards the direction in axle center, holder 22 is provided with in holder groove, the position of holder 22 is mated one by one with the scale on dial 3, when assigned scale being threaded to the password indicator graduation lines on panel 1, the position of thimble 26 rotates to the holder 22 mated with assigned scale start bit, and when depression bar 4 is pressed, holder 22 is ejected, one end of holder 22 is made to protrude from holder reel 21, the excircle of combination disk 23 is evenly equipped with several bayonet lock grooves towards the direction in axle center, bayonet lock and elastic component is arranged with from front to back in each bayonet lock groove, bayonet lock and holder 22 one_to_one corresponding, bayonet lock front end protrudes from combination disk 23, and be located at holder 22 when holder 22 protrudes from holder reel 21 and give prominence to the dead astern of one end, bayonet lock is divided into password position bayonet lock 28 and non-password position bayonet lock 29, position and the set password of password position bayonet lock 28 match in the position of dial 3, bayonet lock 28 rear portion, password position or front and rear are provided with projection C, in the middle part of non-password position bayonet lock 29 or middle part and above position are provided with projection C, lock collar 24 is provided with several teeth groove, and teeth groove one_to_one corresponding is located at the outside at bayonet lock rear portion, and the projection C of password position bayonet lock 28 extend in teeth groove,

As shown in Figure 4, reseting plate 19 one end is connected with power transmission shaft 5 by leverage B, and is installed between panel 1 and base plate 31, and the other end is positioned at directly over holder reel 21; Dividing plate 14 is provided with through between the central axis rear end of the holder reel 21 of base plate 31 and base plate 31, dividing plate 14 one end is fixed on base plate 31, the other end is provided with the projection B12 parallel with base plate 31, between the projection B12 that the gathering sill of pushing block B11 is placed in dividing plate 14 and base plate 31; Lock collar 24 upper end is provided with fixture 30, fixture 30 is connected by nut is vertical with pull bar 8 other end through base plate 31, and fixture 30 is connected with dead bolt 16, and dead bolt 16 is positioned on dull and stereotyped 35, dead bolt 16 one end is provided with hook sheet, and fixture 30 is flexibly connected with dead bolt 16 by hooking sheet.

Further, as shown in Figure 10, holder 22 comprises top bar A39 and top bar B40, top bar A39 is arranged at close central axis one end of holder groove and extends upwardly to outside holder groove, top bar B40 is connected with top bar A39 is vertical and is located in holder groove, top bar B40 is arranged at intervals with groove A41 and groove B42 from inside to outside, groove B42 is provided with flexible positioning piece 38 above, when depression bar 4 is pressed, flexible positioning piece 38 blocks groove A41 makes one end of top bar B40 fixedly protrude from holder reel 21.

Further, as shown in figures 2 and 3, one end that pushing block A6 is connected with power transmission shaft 5 is also connected with catch 33, catch 33 comprises connecting rod and prerotation vane, connecting rod one end is connected with power transmission shaft 5, and the other end is connected with the lower end of prerotation vane, and prerotation vane is arranged on the outside of gathering sill and matches with gathering sill, gathering sill can slide up and down along prerotation vane, and the thickness of prerotation vane is identical with the thickness of gathering sill lower end.

Further, as shown in figures 2 and 3, pushing block B11 is provided with the projection A parallel with power transmission shaft 5 near the side of power transmission shaft 5, on power transmission shaft 5 pushing block B11 the excircle being also socketed with below 9 on be from top to bottom arranged at intervals with and promote bar A and promote bar B, projection A is arranged at and promotes bar A and promote between bar B, when handle is not pressed, promotes bar A and contacts with projection A, when handle is pressed, promotion bar B upwards rotates promotion projection A and upwards rotates.

Further, as shown in Figure 10, leverage A comprises master arm, the strong point and passive arm 37, and the angle that master arm and passive arm 37 are formed is 60 ~ 170 °; Wherein, master arm is the pad 25 of square, and the center of pad 25 is provided with through hole, and the rear end of depression bar 4 is passed through hole and is connected with master arm; The strong point comprises elastomeric element C36 and nut, the thimble fixed end that passive arm 37 comprises thimble 26 and is connected with thimble 26, thimble fixed end is parallel with pad 25, and be connected with pad 25 by nut, elastomeric element C36 is provided with between the fixed end of pad 25 and thimble 26, elastomeric element C36 is enclosed within outside nut, thimble 26 is provided with rotating shaft with the junction of thimble fixed end, the protuberance of passive arm 37 with the circular rear end of dial 3 links together by rotating shaft, and the free end of thimble 26 is arranged on the inner side of holder groove near central axis one end.

Further, as shown in Figure 4, leverage B comprises partition 20 and two springs, one end of partition 20 is connected with the lower end of spring B 18 with the upper end of spring A17 respectively, the middle part of the other end and reseting plate 19 is fixed on base plate 31 by fixture, one end that partition 20 is connected with spring A17 is arranged on above power transmission shaft 5, the lower end of spring A17 is fixed on inside base plate 31, the upper end of spring B 18 is connected with one end of reseting plate 19, the other end of reseting plate 19 is arranged on the top of holder reel 21, screw rod is had to pass inside spring B 18, lower end and the partition 20 of screw rod are slidably connected, the upper end of screw rod passes reseting plate 19, and screw rod upper end is socketed with the locating part of restriction reseting plate 19 travel distance.Locating part can be set to nut, and acting as of locating part prevents the other end of reseting plate 19 from overwalking downwards, causes holder reel 21 be shifted or damage; After power transmission shaft resets, spring A17 pulls partition 20 downwards, and partition 20 pulls one end of reseting plate 19 downwards by spring B 18, and the other end of reseting plate 19 is upwards lifted, thus no longer extrudes holder 22.

Further, as shown in Figure 10, pad 25 is fixed with resetting block 27 away from one end of passive arm 37, and the free end of resetting block 27 contacts near central axis one end with holder groove, and one end that resetting block 27 and holder trench intersection touch is ramped shaped.

Further, as shown in figures 2 and 3, be also provided with positive stop strip 15 on rear side of the base plate 31 be connected with lock collar fixture, positive stop strip 15 is parallel with pull bar 8, and is fixed on rear side of base plate 31 by positive stop strip fixture; Overlap flexible parts G outside one end of positive stop strip 15, when mechanical code lock is closed, the other end of positive stop strip 15 heads on the side 30 of lock collar fixture rear end.

Further, as shown in figures 2 and 3, the middle part of pushing block A6 is also connected with elastomeric element E7, and one end of elastomeric element E7 is connected with the middle part of pushing block A6, and the other end is positioned on the opening of the gripper shoe 32 vertical with base plate 31.

Further, as shown in figures 2 and 3, flexible parts F34 is overlapped outside one end that pull bar 8 is connected with lock collar fixture 30.

The projection C of bayonet lock can be set to circle, triangle or square in one.As shown in Figure 10, in figure, the bayonet lock on right side is password position bayonet lock 20, and the projection C of password position bayonet lock 20 extend in teeth groove, thus the rotation of restriction lock collar 24; When holder 22 presses bayonet lock downwards, spring compresses backward, and bayonet lock moves backward, makes the position alignment teeth groove not being provided with protuberance in the middle part of password position bayonet lock 28, and the not interrupted realization of teeth groove rotates.

The using method of coded lock of the present invention is: first confirm that coded lock is in reset mode, then according to the unlocking cipher set, rotation scale 3, a scale on dial 3 correspond to the one-bit digital of unlocking cipher, assigned scale is threaded to the password indicator graduation lines on panel 1, often rotate a numeral, press a down-pressed pole 4, until password rotates complete and after depressing depression bar 4, squeeze grip 2, now, if the password of input is correct, then can unblank; If password bad, then cannot unblank.

Principle of unblanking of the present invention is: when needs are unblanked, according to the unlocking cipher set (supposing that unlocking cipher only arranges one digit number), rotation scale 3, a scale on dial 3 correspond to the one-bit digital of unlocking cipher, assigned scale is threaded to the password indicator graduation lines on panel 1, the rotating shaft of dial 3 drives the thimble 26 on passive arm 37 to rotate, make the free end of thimble 26 with and dial 3 on the holder 22 that mates one by one of scale align, press a down-pressed pole 4, depression bar 4 backward, and promote leverage A, the master arm (i.e. pad) be connected with depression bar 4 compresses backward, elastomeric element C compresses thimble 26 fixed end on passive arm 37, now passive arm 37 is along axis of rotation, rotational angle can be 60 ~ 170 °, thimble 26 free end on passive arm 37 produces the inner side of holder groove, head on bar A39, top bar A39 outwards ejects bar B40, cause flexible positioning piece 38 to block groove A41 and make one end of top bar B40 fixedly protrude from holder reel 21, the dead astern of outstanding holder 22 one end is corresponding with the front end of password position bayonet lock 28, when squeeze grip 2, handle 2 drives power transmission shaft 5 to rotate, power transmission shaft 5 drives pushing block C9 to rotate, promotion bar A on pushing block C9 promotes projection A10, projection A10 drives pushing block B11 upwards to rotate, because the gathering sill of pushing block B11 is along with upwards rotating and progressive additive, and then contact with the projection B12 on dividing plate 14, along with pushing block B11 upwards rotates further, the dividing plate 14 be connected with projection B12 and holder reel 21 opposed bottom 31 are pulled back, outstanding holder 22 is pressed on the front end of password position bayonet lock 28 by holder reel 21 while pusher, password position bayonet lock 28 elastic component is below squeezed and compresses backward, password position bayonet lock 28 is moved backward, make the position alignment teeth groove not being provided with protuberance in the middle part of password position bayonet lock 28, the projection C of password position bayonet lock 28 no longer sticks lock collar 24, pushing block A6 can be driven upwards to rotate while when pushing block B11 rotates, pull bar 8 relative support plate 32 is pulled outwardly while rotating by pushing block A6, pull bar 8 drives lock collar 24 to rotate simultaneously, because password position bayonet lock 28 projection C no longer sticks lock collar 24, the not interrupted realization of teeth groove rotates, therefore lock collar 24 can be rotated, thus dead bolt 16 is pulled outwardly, and then lock is opened.

Work as password bad, when needing again to unblank, need first reset to coded lock, the process of reset for handle 2 is lifted, then rotation scale 3 one weeks.The principle resetted is that handle 2 lifts, power transmission shaft 5 moves upward, make the link upwards jack-up of partition 20 and spring, one end of spring B upwards jack-up reseting plate 19, the other end of reseting plate 19 is walked downwards and to be contacted with holder reel 21, return back to top holder 22 pressing sub-trenches, and the flexible positioning piece 38 of top bar B40 blocks groove B42; Resetting block 27 prevents reseting plate 19 from being ejected outside holder groove by holder 22.

The present invention is not limited to aforesaid detailed description of the invention.The present invention expands to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.

Claims

1. a mechanical code lock, comprises panel, door lock opening mechanism, cipher lock structure and base plate, it is characterized in that,

Described door lock opening mechanism comprises handle, power transmission shaft, reseting plate, gripper shoe, flat board, pushing block A and pushing block B, and described handle is fixed on panel through power transmission shaft, and power transmission shaft is through panel and base plate; Gripper shoe vertical surrounding is in the surrounding of base plate, dull and stereotyped parallel with base plate, and the side of flat board is connected with gripper shoe is vertical; From base plate along power transmission shaft direction backward, pushing block A and pushing block B is socketed with power transmission shaft from front to back successively, the middle part of the pushing block A other end and pull bar is socketed, and pull bar is socketed with elastomeric element A and is positioned on the opening of the gripper shoe vertical with base plate outside one end of gripper shoe; The pushing block B other end has gathering sill, and gathering sill is progressive additive from top to bottom;

2. mechanical code lock according to claim 1, it is characterized in that: described holder comprises top bar A and top bar B, top bar A is arranged at close central axis one end of holder groove and extends upwardly to outside holder groove, top bar B is connected with top bar A is vertical and is located in holder groove, top bar B is arranged at intervals with groove A and groove B from inside to outside, groove B is provided with flexible positioning piece above, and when depression bar is pressed, flexible positioning piece blocks groove A makes one end of top bar B fixedly protrude from holder reel.

3. mechanical code lock according to claim 1 and 2, it is characterized in that: one end that described pushing block A is connected with power transmission shaft is also connected with catch, described catch comprises connecting rod and prerotation vane, connecting rod one end is connected with power transmission shaft, the other end is connected with the lower end of prerotation vane, prerotation vane is arranged on the outside of gathering sill and matches with gathering sill, and gathering sill can slide up and down along prerotation vane, and the thickness of prerotation vane is identical with the thickness of gathering sill lower end.

4. mechanical code lock according to claim 1, it is characterized in that: described pushing block B is provided with the projection A parallel with power transmission shaft near the side of power transmission shaft, on described power transmission shaft, pushing block B's is also socketed with pushing block C below, the excircle of pushing block C is from top to bottom arranged at intervals with and promotes bar A and promote bar B, projection A is arranged at and promotes bar A and promote between bar B, when handle is not pressed, promote bar A to contact with projection A, when handle is pressed, promotion bar B upwards rotates promotion projection A and upwards rotates.

5. mechanical code lock according to claim 1, is characterized in that: described leverage A comprises master arm, the strong point and passive arm, and the angle that described master arm and passive arm are formed is 60 ~ 170 °; Wherein, described master arm is the pad of square, and the center of pad is provided with through hole, and the rear end of depression bar is passed through hole and is connected with the rear end of depression bar; The described strong point comprises elastomeric element C and nut, the thimble fixed end that described passive arm comprises thimble and is connected with thimble, thimble fixed end is parallel with pad, and be connected with pad by nut, elastomeric element C is provided with between pad and the fixed end of thimble, elastomeric element C is enclosed within outside nut, the junction of thimble and thimble fixed end is provided with rotating shaft, the protuberance of passive arm and the circular rear end of dial links together by rotating shaft, and the free end of thimble is arranged on the inner side of holder groove near central axis one end.

6. mechanical code lock according to claim 1, it is characterized in that: described leverage B comprises partition and two springs, one end of partition is connected with the lower end of spring B with the upper end of spring A respectively, the middle part of the other end and reseting plate is fixed on base plate by fixture, one end that partition is connected with spring A is arranged on above power transmission shaft, the lower end of spring A is fixed on inside base plate, the upper end of spring B is connected with one end of reseting plate, the other end of reseting plate is arranged on the top of holder reel, screw rod is had to pass inside spring B, lower end and the partition of screw rod are slidably connected, the upper end of screw rod passes reseting plate, and screw rod upper end is socketed with the locating part of restriction reseting plate travel distance.

7. mechanical code lock according to claim 5, it is characterized in that: described pad is fixed with resetting block away from one end of passive arm, the free end of resetting block contacts near central axis one end with holder groove, and one end that resetting block and holder trench intersection touch is ramped shaped.

8. mechanical code lock according to claim 1, is characterized in that: the described floor rear be connected with lock collar fixture is also provided with positive stop strip, and described positive stop strip is parallel with pull bar, and is fixed on floor rear by positive stop strip fixture; Overlap flexible parts G outside one end of positive stop strip, when mechanical code lock is closed, the other end of positive stop strip heads on the side of lock collar fixture rear end.

9. mechanical code lock according to claim 1, is characterized in that: the middle part of described pushing block A is also connected with elastomeric element E, and one end of elastomeric element E is connected with the middle part of pushing block A, and the other end is positioned on the opening of the gripper shoe vertical with base plate.

10. mechanical code lock according to claim 1, is characterized in that: overlap flexible parts F outside one end that described pull bar is connected with lock collar fixture.