CN202578178U

CN202578178U - Coded lock

Info

Publication number: CN202578178U
Application number: CN 201220189265
Authority: CN
Inventors: 赖秀兴
Original assignee: Dongguan Yifeng Lock Co Ltd
Current assignee: Dongguan Yifeng Lock Co Ltd
Priority date: 2012-04-28
Filing date: 2012-04-28
Publication date: 2012-12-05
Anticipated expiration: 2022-04-28

Abstract

The utility model relates to a coded lock. The coded lock comprises a lock rope, a shell, a main lock block, an auxiliary lock block, a code mechanism and a lock core, wherein the shell consists of a surface shell and a bottom shel in a matching wayl; a mounting hole and a through hole are formed in the left side of the shell; another mounting hole is formed in the right side of the bottom of the shell; the right end of the lock rope is fixed on the shell; a lock head is arranged at the left end of the lock rope; a lock hole is formed in the left upper end of the shell; another mounting hole is formed in the upper end of the shell; the right end of the main lock block is positioned outside the shell; the left end of the main lock block is inserted into the shell; another through hole is formed in the left end of the main lock block; a limiting groove is formed on the left side of the through hole; a sliding hole is formed in the main lock block; a moving space is arranged in the shell; a boss is formed on the auxiliary lock block; the coded lock also comprises a limiting mechanism; the limiting mechanism is connected with the lock core; another mounting hole for mounting the limiting mechanism is formed in the shell; a shaft rod is arranged on the coded mechanism; and the upper end of the shaft rod props against the lower end surface of the right end of the auxiliary lock block. According to the coded lock, the unlocking is realized in a combined mode of a real object key and a coded key, so that the coded lock is relatively convenient to manage.

Description

Coded lock

Technical field

The utility model relates to mechanical lock, specifically, relates to a kind of coded lock.

Background technology

Coded lock is because it is convenient to management, need not to carry key in kind and do not worry that key in kind is stolen or lose bringing unnecessary trouble and being widely used; Yet coded lock is managed for ease, and the password of coded lock generally only has a people to grasp, and does not have not at the scene in case control the people of password, and need unblank; Adopt password mode on probation through regular meeting, number is debugged and is unblanked one by one, wastes a lot of time like this; Directly destroy coded lock under the situation of the moment of desperation and unblank, improve management cost.

Summary of the invention

The purpose of the utility model is the deficiency that is to solve prior art, and a kind of coded lock is provided, and the mode that this coded lock adopts coded lock to combine with common lock all can be unblanked through key in kind and password, practices thrift the coded lock management cost.

The technical scheme that the utility model adopts is:

A kind of coded lock; Comprise lock rope, housing, main lock dog, secondary lock dog, Cipher mechanism and lock core; Said housing is made up of face-piece and drain pan cooperation; The left side of said housing is provided with the through hole that is used to that the installing hole of Cipher mechanism is installed and is used to let the cipher wheel of Cipher mechanism expose, and the right side of drain pan is provided with the installing hole that is used to install lock core; The right-hand member of said lock rope is fixed in the upper right side of housing, and the left end of lock rope is provided with telescopic tapered end, and the left upper end of housing is provided with and is used to the lockhole that lets tapered end insert; The upper end of said housing is provided with the installing hole that is used to install main lock dog; The right-hand member of main lock dog is positioned at outside the housing, and the left end of main lock dog inserts housing, and the left end of main lock dog is provided with and is used to the through hole that lets tapered end pass; And the left side of this through hole is provided with the stopper slot that cooperates with tapered end, and the lower surface at the middle part of main lock dog is provided with sliding eye; Housing is provided with and is used to the mobile space that lets secondary lock dog move, and the upper surface of the right-hand member of said secondary lock dog is provided with the projection that matches with sliding eye; Said coded lock also comprises the position-limit mechanism that is used to control secondary lock dog move left and right, and position-limit mechanism is connected with lock core; Be provided with the installing hole that is used to install position-limit mechanism in the housing, said Cipher mechanism is provided with and is used to control the axostylus axostyle that secondary lock dog moves up and down, and the lower surface of the upper end of axostylus axostyle and the right-hand member of secondary lock dog offsets.

Further, said secondary lock dog is inverted Z-shaped, and the middle part of said drain pan is provided with protruding baffle plate, is provided with back-moving spring between the middle part of baffle plate and secondary lock dog, and the two ends of back-moving spring offset with the middle part of baffle plate and secondary lock dog respectively; Said position-limit mechanism comprises the limited block of the upper surface of being fixed in lock core, and the left end of limited block and secondary lock dog is relative.

Further, said Cipher mechanism comprises the password wheels, transfers code wheel group, axostylus axostyle spring and described axostylus axostyle; Said accent code wheel group is made up of a plurality of accent code wheels; Transfer the middle part of the side of code wheel to be provided with a plurality of equally distributed fixture blocks; The side of said axostylus axostyle is provided with and transfers the code wheel same number and spacing block set that distribute along straight line, and the lower end of the medial surface of the axis hole of said accent code wheel is provided with the opening annulus that matches with axostylus axostyle, and the opening of opening annulus matches with spacing block set; Said password wheels are by forming with the cipher wheel of transferring the code wheel same number; The side of cipher wheel has a plurality of draw-in grooves that match with the fixture block of transferring code wheel, and cipher wheel is placed in the outer middle side part of corresponding accent code wheel, and the lower end of axostylus axostyle is inserted through the axis hole of the accent code wheel of transferring the code wheel group; The axostylus axostyle spring is inserted in the lower end of said axostylus axostyle; The lower end of axostylus axostyle is inserted through the axis hole of the accent code wheel of transferring the code wheel group more simultaneously, and under locking state, the spacing block set of the side of axostylus axostyle is positioned at the top of the opening annulus of corresponding accent code wheel; Axostylus axostyle spring lower end offsets with the upper surface of transferring the code wheel group, and the upper end of axostylus axostyle spring offsets with the upper end of axostylus axostyle or is fixedly connected.

Further; Position-limit mechanism also comprises displaying block and return piece; The right side of said displaying block is provided with the demonstration spring; The two ends of demonstration spring offset with the middle part of displaying block and housing respectively or are fixedly connected, and the middle part of said lock core is provided with breach, and the limited block of the upper end of breach and lock core is positioned at the same side of lock core; The left end of displaying block matches with breach; The front end face of said displaying block is provided with the display surface that distributes about two; Said face-piece is provided with and is used for the demonstration hole that display surface exposes, and breach is positioned at the right side of lock core and the left end of displaying block is positioned at breach when lock core turns to, and the display surface that is positioned at a side of the front end face of displaying block is relative with the demonstration hole; When lock core turns to the left side that breach is positioned at lock core, the display surface that is positioned at opposite side of the front end face of displaying block with show that the hole is relative; Said return piece vertically is provided with, and the lower end part of said return piece is in the rear of displaying block, and the below of return piece is provided with return spring, and the two ends of return spring offset with the lower end of return piece and housing respectively; The middle part of said displaying block is provided with protruding backward spacing pushing block, and the bottom of said return piece is provided with the block that raises up, and block is positioned at the right side of spacing pushing block, and the left end of block is used for the inclined-plane of slip relatively or/and the right-hand member of spacing pushing block is provided with.

Further, be provided with push rod in the upper end of said lock core, the upper surface of lock core is provided with the jack that matches with the push rod lower end, and the upper end of push rod is provided with the shrinkage pool that matches with said tapered end, and the jack of lock core is inserted in the lower end of push rod.

Further, said coded lock also comprises shell fragment, and said housing is provided with the installing hole that is used for fixing shell fragment, and shell fragment comprises the fixed part of an end and the flexure strip that cooperates with cipher wheel of the other end, and flexure strip and cipher wheel offset; Fixed part is fixed in drain pan.

Further, reference column is extended at the middle part of said secondary lock dog left, and the right-hand member of said back-moving spring is inserted in reference column.

Further, the upper end of said axostylus axostyle is provided with the U-shaped piece that matches with the right-hand member of secondary lock dog.

Further, Cipher mechanism also comprises the accent code block, transfers code block to comprise disk and cylinder, and disk is positioned at the below of transferring the code wheel group, and cylinder vertically is fixed in the middle part of disk and is positioned at the below of disk, and the lower surface of said housing is provided with and is used for the through hole that cylinder exposes.

Further, above said accent code wheel group, be provided with annulus, annulus is between axostylus axostyle spring and accent code wheel group, and annulus is socketed on the accent code wheel of the top of password wheels.

The beneficial effect that the utility model is obtained is: a kind of coded lock; Comprise lock rope, housing, main lock dog, secondary lock dog, Cipher mechanism and lock core; Said housing is made up of face-piece and drain pan cooperation; The left side of said housing is provided with the through hole that is used to that the installing hole of Cipher mechanism is installed and is used to let the cipher wheel of Cipher mechanism expose, and the right side of drain pan is provided with the installing hole that is used to install lock core; The right-hand member of said lock rope is fixed in the upper right side of housing, and the left end of lock rope is provided with telescopic tapered end, and the left upper end of housing is provided with and is used to the lockhole that lets tapered end insert; The upper end of said housing is provided with the installing hole that is used to install main lock dog; The right-hand member of main lock dog is positioned at outside the housing, and the left end of main lock dog inserts housing, and the left end of main lock dog is provided with and is used to the through hole that lets tapered end pass; And the left side of this through hole is provided with the stopper slot that cooperates with tapered end, and the lower surface at the middle part of main lock dog is provided with sliding eye; Housing is provided with and is used to the mobile space that lets secondary lock dog move, and the upper surface of the right-hand member of said secondary lock dog is provided with the projection that matches with sliding eye; Said coded lock also comprises the position-limit mechanism that is used to control secondary lock dog move left and right, and position-limit mechanism is connected with lock core; Be provided with the installing hole that is used to install position-limit mechanism in the housing, said Cipher mechanism is provided with and is used to control the axostylus axostyle that secondary lock dog moves up and down, and the lower surface of the upper end of axostylus axostyle and the right-hand member of secondary lock dog offsets.The mode that the utility model adopts key in kind and cipher key to combine is unblanked, and manages more convenient.

Description of drawings

Fig. 1 is the schematic perspective view of the utility model.

Fig. 2 removes the structural representation of face-piece for the utility model embodiment 1.

Fig. 3 is the structural representation of the lock core of the utility model.

Fig. 4 is the structural representation of the main lock dog of the utility model.

Fig. 5 is the accent code block structural representation of the utility model.

Fig. 6 is the structural representation of the accent code wheel of the utility model.

Fig. 7 is the structural representation of the push rod of the utility model.

Fig. 8 is the structural representation of the cipher wheel of the utility model.

Fig. 9 is the structural representation of the axostylus axostyle of the utility model.

Figure 10 is the structural representation of the secondary lock dog of the utility model.

Figure 11 removes the structural representation of face-piece for the utility model embodiment 2.

Figure 12 is the decomposing schematic representation of Figure 11.

Figure 13 is the structural representation of the return piece of the utility model.

Figure 14 is the structural representation of the shell fragment of the utility model.

Figure 15 is the structural representation of the displaying block of the utility model.

Figure 16 is the structural representation at another visual angle of Figure 15.

Reference numeral is:

1---lock rope 12---tapered end

2---main lock dog 21---sliding eye 22---through holes

221---stopper slot

3---secondary lock dog 31---projection 32---reference columns

33---back-moving spring

4---displaying block 41---display surface 44---demonstration springs

43---spacing pushing block 100---inclined-plane

5---lock core 51---limited block 52---breach

6---Cipher mechanism 61---cipher wheel 611---draw-in grooves

62---transfer code wheel 621---opening annulus 622---opening

63---axostylus axostyle 631---spacing block set 632---U-shaped pieces

64---annulus 65---axostylus axostyle spring 66---accent code blocks

661---disk 662---cylinder 624---axis holes

7---housing 71---drain pan 72---face-pieces

721---showing hole 625---fixture block

8---push rod 81---shrinkage pool 92---return springs

9---return piece 91---block

10---shell fragment 101---fixed part 102---flexure strips.

The specific embodiment

Below in conjunction with the accompanying drawing and the specific embodiment the utility model is further described.

Embodiment 1:

Like Fig. 1 to Figure 10; And it is shown in Figure 17; A kind of coded lock comprises lock rope 1, housing 7, main lock dog 2, secondary lock dog 3, Cipher mechanism 6 and lock

core

5, and 71 cooperations constitute said housing 7 with drain pan by face-piece 72; The left side of said housing 7 is provided with the through hole that is used to that the installing hole of Cipher mechanism 6 is installed and is used to let the cipher wheel 61 of Cipher mechanism 6 expose, and the right side of drain pan 71 is provided with the installing hole that is used to install lock core 5; The right-hand member of said lock rope 1 is fixed in the upper right side of housing 7; The left end of lock rope 1 is provided with telescopic tapered end 12, and the left upper end of housing 7 is provided with and is used to the lockhole that lets tapered end 12 insert, and the upper end of said housing 7 is provided with the installing hole that is used to install main lock dog 2; The right-hand member of main lock dog 2 is positioned at outside the housing 7; The left end of main lock dog 2 inserts housing 7, and the left end of main lock dog 2 is provided with and is used for the through hole 22 that tapered end 12 passes, and the left side of this through hole 22 is provided with the stopper slot 221 that cooperates with tapered end 12; The lower surface at the middle part of main lock dog 2 is provided with sliding eye 21, and sliding eye 21 can side tapered or sliding eye 21 be the inclined-plane; Housing 7 is provided with and is used to the mobile space that lets secondary lock dog 3 move, and the upper surface of the right-hand member of said secondary lock dog 3 is provided with the projection 31 that matches with sliding eye 21, and the side of projection 31 also can be set to the inclined-plane, makes things convenient for projection 31 and sliding eye 21 to horizontally slip relatively; Said coded lock also comprises the position-limit mechanism that is used to control secondary lock dog 3 move left and right, and position-limit mechanism is connected with lock core 5, is provided with the installing hole that is used to install position-limit mechanism in the housing 7; Said Cipher mechanism 6 is provided with and is used to control the axostylus axostyle 63 that secondary lock dog 3 moves up and down, and the lower surface of the right-hand member of the upper end of axostylus axostyle 63 and secondary lock dog 3 offsets.

The utility model is when unblanking; Need main lock dog 2 is moved to the left; Make the stopper slot 221 of through hole 22 of the left end of winner's lock dog 2 leave the tapered end 12 of lock rope 1 left end, tapered end 12 just can leave the through hole 22 of main lock dog 2 and the lockhole of housing 7 through the mode of shrinking, thereby realizes unblanking.But main lock dog 2 receives the restriction of secondary lock dog 3 to left movement, because the projection of secondary lock dog 3 right-hand members 31 inserts in the sliding eye 21 of main lock dog 2; Therefore for making winner's lock dog 2 be moved to the left dual mode: 1, make secondary lock dog 3 to be moved to the left together with main lock dog 2; The concrete realization through following operation: through key rotary locking cylinder 5 in kind, lock core 5 drives the position-limit mechanisms motion, after the position-limit mechanism motion, makes that secondary lock dog 3 can side-to-side movement; So just, can release; 2, make secondary lock dog 3 to move down, make the projection 31 of right-hand member of secondary lock dog 3 leave the sliding eye 21 of main lock dog 2; The concrete realization operated as follows: with Cipher mechanism 6 adjustment, make the axostylus axostyle 63 of Cipher mechanism 6 to move up and down, and then make secondary lock dog 3 to move down, thereby main lock dog 2 is no longer constituted restriction; Main lock dog 2 is when being moved to the left, because secondary lock dog 3 can not be moved to the left, main lock dog 2 is through cooperating secondary lock dog 3 to pressing down between sliding eye 21 and the projection 31, thereby realization is unblanked.

Further, said secondary lock dog 3 is inverted Z-shaped, and the middle part of said drain pan 71 is provided with protruding baffle plate, is provided with back-moving spring 33 between the middle part of baffle plate and secondary lock dog 3, and the two ends of back-moving spring 33 offset with the middle part of baffle plate and secondary lock dog 3 respectively; Said position-limit mechanism comprises the limited block 51 of the upper surface of being fixed in lock core 5, and limited block 51 is relative with the left end of secondary lock dog 3.

When the utility model is in the state of lock, limited block 51 be positioned at lock core 5 upper ends the right side and with the left side of secondary lock dog 3 relatively or offset, the secondary lock dog 3 of limited block 51 restrictions at this moment is moved to the left; When adopting said first kind of mode to unblank, lock core 5 rotates, and just drives limited block 51 and rotates; Limited block 51 leaves the right side of lock core 5 upper ends; At this moment secondary lock dog 3 can be moved to the left, and when being moved to the left under the effect of main lock dog 2 in external force, secondary lock dog 3 is accompanied by and is moved to the left; And then realize unblanking.When unblanking to change locking state into, earlier main lock dog 2 is moved to the left, the tapered end 12 that will lock rope 1 again inserts in the through hole 22 of left end that lockholes and tapered end 12 get into main lock dog 2, unclamps main lock dog 2; Secondary lock dog 3 moves right under the thrust of back-moving spring 33, drives main lock dog 2 simultaneously and moves right; In the stopper slot 221 of the through hole 22 of the left end of the main lock dog 2 of tapered end 12 entering; Reset through key rotary locking cylinder 5 at last and get final product.

Further, said Cipher mechanism 6 comprises the password wheels, transfers code wheel group, axostylus axostyle spring 65 and described axostylus axostyle 63; Said accent code wheel group is made up of a plurality of accent code wheels 62; Transfer the middle part of the side of code wheel 62 to be provided with a plurality of equally distributed fixture blocks 625; The side of said axostylus axostyle 63 is provided with and transfers code wheel 62 same number and spacing block set 631 that distribute along straight line; The lower end of the medial surface of the axis hole 624 of said accent code wheel 62 is provided with the opening annulus 621 that matches with axostylus axostyle 63, and the opening 622 of opening annulus 621 matches with spacing block set 631, and said password wheels are by forming with the cipher wheel 61 of transferring code wheel 62 same number; The side of cipher wheel 61 has a plurality of draw-in grooves 61 that match with the fixture block 625 of transferring code wheel 62; Cipher wheel 61 is placed in the outer middle side part of corresponding accent code wheel 62, and the lower end of axostylus axostyle 63 is inserted through the axis hole 624 of the accent code wheel 62 of transferring the code wheel group, and axostylus axostyle spring 65 is inserted in the lower end of said axostylus axostyle 63; The lower end of axostylus axostyle 63 is inserted through the axis hole 624 of the accent code wheel 62 of transferring the code wheel group more simultaneously; The spacing block set 631 of the side of axostylus axostyle 63 is positioned at the top of the opening annulus 621 of corresponding accent code wheel 62, and axostylus axostyle spring 65 lower ends offset with the upper surface of transferring the code wheel group, and the upper end of axostylus axostyle spring 65 offsets with the upper end of axostylus axostyle 63 or is fixedly connected.

The axostylus axostyle 63 of Cipher mechanism 6 offsets with the right-hand member of secondary lock dog 3 under the thrust of axostylus axostyle spring 65, and realizes the function that the secondary lock dog 3 of control moves down.When being in the state of lock, at least one in the spacing block set 631 of axostylus axostyle 63 sides is positioned at the top of the opening annulus 621 of corresponding accent code wheel 62, and this spacing block set 631 can not insert opening 622 places of corresponding opening annulus 621; This moment, axostylus axostyle 63 can not move down; Thereby secondary lock dog 3 is withstood, limit it and move down; When adopting the said second way to carry out release; Need Cipher mechanism 6 adjustment are correct; Be that cipher wheel 61 drives and transfers code wheels 62 to turn to the tram, make the opening annulus 621 of transferring code wheel 62 opening 622 all point-blank, and corresponding with the spacing block set 631 of axostylus axostyle 63; This moment, main lock dog 2 was moved to the left under the effect of external force; Secondary lock dog 3 moves down under the cooperation of its projection 31 and the sliding eye 21 of main lock dog 2; Secondary lock dog 3 is pressing axostylus axostyle 63 and axostylus axostyle spring 65 to move down simultaneously; The spacing block set 631 of axostylus axostyle 63 gets into opening 622 places of opening annulus 621, thereby realizes unblanking.When needs are locked again; Only need main lock dog 2 is resetted; The projection of secondary lock dog 3 inserts sliding eye 21; Axostylus axostyle 63 moves up under the thrust of axostylus axostyle spring 65 and withstands secondary lock dog 3, and this moment, the spacing block set 631 of side of axostylus axostyle 63 was positioned at the top of the opening annulus 621 of corresponding accent code wheel 62, then upsets password again and can realize the state locked.

Further, be provided with push rod 8 in the upper end of said lock core 5, the upper surface of lock core 5 is provided with the jack that matches with push rod 8 lower ends, and the upper end of push rod 8 is provided with the shrinkage pool 81 that matches with said tapered end 12, and the jack of lock core 5 is inserted in the lower end of push rod 8.

Through push rod 8 is set, can limit tapered end 12 and insert the degree of depth of housing 7 inside, auxiliary main lock dog 2 is clamping tapered end 12 effectively.

Further, said coded lock also comprises shell fragment 10, and said housing 7 is provided with the installing hole that is used for fixing shell fragment 10, and shell fragment 10 comprises the fixed part 101 of an end and the flexure strip 102 that cooperates with cipher wheel 61 of the other end, and flexure strip 102 offsets with cipher wheel 61; Fixed part 101 is fixed in drain pan 71.

Through shell fragment 10 is set, make cipher wheel 61 rotate the resistance that is rubbed, thereby slow down the speed that cipher wheel 61 is rotated that the rotation of cipher wheel 61 is controlled easily and had a feel.

Further, reference column 32 is extended at the middle part of said secondary lock dog 3 left, and the right-hand member of said back-moving spring 33 is inserted in reference column 32.

Because secondary lock dog 3 is in the process of unblanking, can about, also can move up and down, reference column 32 is set after, can back-moving spring 33 be positioned between the baffle plate of middle part and housing 7 of secondary lock dog 3.

Further, the upper end of said axostylus axostyle 63 is provided with the U-shaped piece 632 that matches with the right-hand member of secondary lock dog 3.

U-shaped piece 632 is set, can be moved to the left, and causes axostylus axostyle 63 to separate so that axostylus axostyle 63 offsets with the right-hand member of secondary lock dog 3 all the time with secondary lock dog 3 because of secondary lock dog 3.

Further; Cipher mechanism 6 also comprises transfers code block 66; Transfer code block 66 to comprise disk 661 and cylinder 662; Disk 661 is positioned at the below of transferring the code wheel group, and cylinder 662 vertically is fixed in the middle part of disk 661 and is positioned at the below of disk 661, and the lower surface of said housing 7 is provided with and is used for the through hole that cylinder 662 exposes.

Transfer code block 66 through being provided with, can be convenient to password setting; When needs are reset password, earlier that the password adjustment is correct, transfer this moment the code wheel group relatively axostylus axostyle 63 relatively move; Through outer force urges cylinder 662, make and transfer code block 66 to move upward, transfer code block 66 to promote to transfer the code wheel group to move upward; The fixture block 25 of the accent code wheel 62 of feasible accent code wheel group leaves the draw-in groove 611 of cipher wheel 61, and cipher wheel 61 is positioned at corresponding accent code wheel 62 lower ends, stirs cipher wheel 61 this moment again; Just can realize resetting password, reset password after, unclamp cylinder 662; Transfer the code wheel group just under the thrust of axostylus axostyle spring 65, to reset, thereby realize resetting password.

Further, above said accent code wheel group, be provided with annulus 64, annulus 64 is at axostylus axostyle spring 65 and transfer between the code wheel group, and annulus 64 is socketed on outside the accent code wheel 62 of the top of password wheels.

Through annulus 64 is set, be convenient to axostylus axostyle spring 65 is limited between annulus 64 and the U-shaped piece 632.

Embodiment 2: referring to Fig. 1, Fig. 3 to Fig. 9 and Figure 11 to Figure 17; A kind of coded lock, its structure and embodiment 1 are basic identical, and its difference is: said position-limit mechanism also comprises displaying block 4 and return piece 9; The right side of said displaying block 4 is provided with and shows spring 44; The two ends of demonstration spring 44 offset with the middle part of displaying block 4 and housing 7 respectively or are fixedly connected, and the middle part of said lock core 5 is provided with breach 52, and the limited block 51 of the upper end of breach 52 and lock core 5 is positioned at the same side of lock core 5; The left end of displaying block 4 matches with breach 52; The front end face of said displaying block 4 is provided with the display surface 41 that distributes about two; Said face-piece 72 is provided with and is used for the demonstration hole 721 that display surface 41 exposes; When turning to lock core 5, lock core 5 turns to that breach 52 is positioned at the right side of lock core 5 and the left end of displaying block 4 is positioned at breach 52; The display surface that is positioned at the right side 41 of the front end face of displaying block 4 with show that hole 721 is relative, when lock core 5 turns to the left side that breach 52 is positioned at lock core 5, the display surface that is positioned at the left side 41 of the front end face of displaying block 4 with show that hole 721 is relative; Be convenient observation, various colors layer or different patterned layer be set on two display surfaces 41 to show difference; As equivalent variations, can change the position that shows hole 721 simultaneously, change the situation that display surface 41 exposes; Can reflect through the situation that display surface 41 exposes.The lower end part of said return piece 9 is in the rear of displaying block 4, and the below of return piece 9 is provided with return spring 92, and the two ends of return spring 92 offset with the lower end of return piece 9 and housing 7 respectively; The middle part of said displaying block 4 is provided with protruding backward spacing pushing block 43; The bottom of said return piece 9 is provided with the block 91 that raises up; Block 91 is positioned at the right side of spacing pushing block 43, and the left end of block 91 is used for the inclined-plane 100 of slip relatively or/and the right-hand member of spacing pushing block 43 is provided with.

The utility model is provided with displaying block 4 can show whether carry out key unlocking; After return piece 9 was set, when carrying out key unlocking in kind, lock core 5 rotated; Make the limited block 51 of upper surface of lock core 5 be positioned at the left side of lock core 5; The breach 52 at the middle part of lock core 5 also is positioned at the left side simultaneously, and in this process, lock core 5 promotes displaying block 4 to the right; The spacing pushing block 43 of displaying block 4 through two relative inclined-planes 100 with the block 91 of return piece 9 to pressing down; Be positioned at the left back downside of spacing pushing block 43 up to block 91, then return piece 9 moves upward under the thrust of return spring 92, and the upper surface of return piece 9 and secondary lock dog 3 offset and block 91 is positioned at the left side of spacing pushing block 43; If main lock dog 2 received external force and was moved to the left this moment; Main lock dog 2 promotes secondary lock dog 3 and is moved to the left; Secondary lock dog 3 is moved to the left simultaneously to accomplish with main lock dog 2 and unblanks; But because the block 91 of return piece 9 is positioned at the left side of the spacing pushing block 43 of displaying block 4, after lock core 5 resetted through key in kind, displaying block 4 can not reset; Therefore can judge whether to carry out key unlocking according to the display surface 41 that exposes of displaying block 4; Displaying block 4 resets and need realize through password unlocking, resets and can not move through key in kind, thereby is convenient to the administrator password lock.

The utility model has been done at length explanation, and those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model, and does not break away from the essence and the scope of the utility model technical scheme.

Claims

1. coded lock; It is characterized in that: it comprises lock rope, housing, main lock dog, secondary lock dog, Cipher mechanism and lock core; Said housing is made up of face-piece and drain pan cooperation; The left side of said housing is provided with the through hole that is used to that the installing hole of Cipher mechanism is installed and is used to let the cipher wheel of Cipher mechanism expose, and the right side of drain pan is provided with the installing hole that is used to install lock core; The right-hand member of said lock rope is fixed in the upper right side of housing, and the left end of lock rope is provided with telescopic tapered end, and the left upper end of housing is provided with and is used to the lockhole that lets tapered end insert; The upper end of said housing is provided with the installing hole that is used to install main lock dog; The right-hand member of main lock dog is positioned at outside the housing, and the left end of main lock dog inserts housing, and the left end of main lock dog is provided with and is used to the through hole that lets tapered end pass; And the left side of this through hole is provided with the stopper slot that cooperates with tapered end, and the lower surface at the middle part of main lock dog is provided with sliding eye; Housing is provided with and is used to the mobile space that lets secondary lock dog move, and the upper surface of the right-hand member of said secondary lock dog is provided with the projection that matches with sliding eye; Said coded lock also comprises the position-limit mechanism that is used to control secondary lock dog move left and right, and position-limit mechanism is connected with lock core; Be provided with the installing hole that is used to install position-limit mechanism in the housing, said Cipher mechanism is provided with and is used to control the axostylus axostyle that secondary lock dog moves up and down, and the lower surface of the upper end of axostylus axostyle and the right-hand member of secondary lock dog offsets.

2. coded lock according to claim 1; It is characterized in that: said secondary lock dog is inverted Z-shaped; The middle part of said drain pan is provided with protruding baffle plate, is provided with back-moving spring between the middle part of baffle plate and secondary lock dog, and the two ends of back-moving spring offset with the middle part of baffle plate and secondary lock dog respectively; Said position-limit mechanism comprises the limited block of the upper surface of being fixed in lock core, and the left end of limited block and secondary lock dog is relative.

3. coded lock according to claim 1 and 2 is characterized in that: said Cipher mechanism comprises the password wheels, transfers code wheel group, axostylus axostyle spring and described axostylus axostyle; Said accent code wheel group is made up of a plurality of accent code wheels; Transfer the middle part of the side of code wheel to be provided with a plurality of equally distributed fixture blocks, the side of said axostylus axostyle is provided with and transfers the code wheel same number and spacing block set that distribute along straight line, and the lower end of the medial surface of the axis hole of said accent code wheel is provided with the opening annulus that matches with axostylus axostyle; The opening of opening annulus matches with spacing block set; Said password wheels are by forming with the cipher wheel of transferring the code wheel same number, and the side of cipher wheel has a plurality of draw-in grooves that match with the fixture block of transferring code wheel, and cipher wheel is placed in the outer middle side part of corresponding accent code wheel; The axostylus axostyle spring is inserted in the lower end of said axostylus axostyle; The lower end of axostylus axostyle is inserted through the axis hole of the accent code wheel of transferring the code wheel group more simultaneously, and under locking state, the spacing block set of the side of axostylus axostyle is positioned at the top of the opening annulus of corresponding accent code wheel; Axostylus axostyle spring lower end offsets with the upper surface of transferring the code wheel group, and the upper end of axostylus axostyle spring offsets with the upper end of axostylus axostyle or is fixedly connected.

4. coded lock according to claim 3; It is characterized in that: position-limit mechanism also comprises displaying block and return piece; The right side of said displaying block is provided with the demonstration spring; The two ends of demonstration spring offset with the middle part of displaying block and housing respectively or are fixedly connected, and the middle part of said lock core is provided with breach, and the limited block of the upper end of breach and lock core is positioned at the same side of lock core; The left end of displaying block matches with breach; The front end face of said displaying block is provided with the display surface that distributes about two; Said face-piece is provided with and is used for the demonstration hole that display surface exposes, and breach is positioned at the right side of lock core and the left end of displaying block is positioned at breach when lock core turns to, and the display surface that is positioned at a side of the front end face of displaying block is relative with the demonstration hole; When lock core turns to the left side that breach is positioned at lock core, the display surface that is positioned at opposite side of the front end face of displaying block with show that the hole is relative; Said return piece vertically is provided with, and the lower end part of said return piece is in the rear of displaying block, and the below of return piece is provided with return spring, and the two ends of return spring offset with the lower end of return piece and housing respectively; The middle part of said displaying block is provided with protruding backward spacing pushing block, and the bottom of said return piece is provided with the block that raises up, and block is positioned at the right side of spacing pushing block, and the left end of block is used for the inclined-plane of slip relatively or/and the right-hand member of spacing pushing block is provided with.

5. coded lock according to claim 1; It is characterized in that: the upper end at said lock core is provided with push rod; The upper surface of lock core is provided with the jack that matches with the push rod lower end, and the upper end of push rod is provided with the shrinkage pool that matches with said tapered end, and the jack of lock core is inserted in the lower end of push rod.

6. coded lock according to claim 3 is characterized in that: also comprise shell fragment, said housing is provided with the installing hole that is used for fixing shell fragment, and shell fragment comprises the fixed part of an end and the flexure strip that cooperates with cipher wheel of the other end, and flexure strip and cipher wheel offset; Fixed part is fixed in drain pan.

7. coded lock according to claim 2 is characterized in that: reference column is extended at the middle part of said secondary lock dog left, and the right-hand member of said back-moving spring is inserted in reference column.

8. coded lock according to claim 3 is characterized in that: the upper end of said axostylus axostyle is provided with the U-shaped piece that matches with the right-hand member of secondary lock dog.

9. coded lock according to claim 3; It is characterized in that: also comprise the accent code block, transfer code block to comprise disk and cylinder, disk is positioned at the below of transferring the code wheel group; Cylinder vertically is fixed in the middle part of disk and is positioned at the below of disk, and the lower surface of said housing is provided with and is used for the through hole that cylinder exposes.

10. coded lock according to claim 3 is characterized in that: above said accent code wheel group, be provided with annulus, annulus is between axostylus axostyle spring and accent code wheel group, and annulus is socketed on the accent code wheel of the top of password wheels.