CN202596300U

CN202596300U - Lock with decoration keys and spare keys

Info

Publication number: CN202596300U
Application number: CN 201220147757
Authority: CN
Inventors: 胡就辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-04-10
Filing date: 2012-04-10
Publication date: 2012-12-12
Anticipated expiration: 2022-04-10

Abstract

The utility model relates to a lock with decoration keys and spare keys. The lock comprises a lock case, a lock cylinder sleeve, a lock cylinder, a first locking button, a second locking button, an elastic device, more than three groups of leaf blades and more than three springs, wherein a groove, which is adaptive to one side of the second locking button, is arranged on the elastic device on the inner wall of the lock case; a long hole for accommodating the second locking button is arranged on the lock cylinder sleeve; the second locking button is arranged inside the long hole; a key jack is arranged in the center of the lock cylinder; an axial slot corresponding to the other side of the second locking button is arranged on the wall of the lock cylinder; the first locking button is accommodated in the axial slot; more than three slots which are parallel to each other are arranged in the radial direction of the lock cylinder; each group of blades comprises two frame-shaped superposed blades in the slots; V-shaped faucets of the two blades are arranged on the same side and correspond to the position of the first locking button; the lock is characterized by further comprising an L-shaped elastic blocking block, wherein an installation slot is arranged on the tail end of the lock cylinder; one end of the installation slot is communicated with the slot on the tail end of the lock cylinder; and the elastic blocking block is elastically positioned in the installation slot and pushed by the spare keys, so that the vertical part of the elastic blocking block can be fixed against one group of blades inside the slot on the tail end of the lock cylinder. The lock with the decoration keys and the spare keys has the advantages of low error locking rate, good prying resistance, and safety and reliability in use.

Description

The lock of band finishing key and subsequent use key

Technical field

The utility model relates to a kind of door lock, particularly relates to a kind of lock with finishing key and subsequent use key.

Background technology

The lock of band finishing key and subsequent use key is made up of structures such as pellets shot from a slingshot, and finishing key and subsequent use key are different in the depth of last beating " hole ".The effect of finishing key and subsequent use key is that after people loaded onto this lock, owner can give the house decoration personnel with the finishing key, supplied them to pass in and out the house door and unblanked to use.After finishing finished, owner need not fit up in personnel's inlet chamber, and after owner turn-taked with subsequent use key reeve lockhole rotational lock core, the finishing key had just lost the function of unblanking.Its advantage is to satisfy the needs of people's decorating house; Remove from when finishing is acted hurriedly in a messy situation, the key loss of will opening the door, or have the people who harbores evil intentions to take advantage of the busy machine of finishing to duplicate the key etc. that opens the door; The unsafe factor that after possibly avoiding fitting up owner is produced; After also can avoiding finishing, change lock trouble caused and cost for safety, so receive people's welcome.But its wrong-unlocking rate is prized than being easier to than higher, and theftproof performance is poor, and using to people makes troubles.

Summary of the invention

The purpose of the utility model is to overcome the deficiency of above-mentioned prior art and provide a kind of wrong-unlocking rate lower, the band finishing key that be not easy to be prized, theftproof is good and the lock of subsequent use key.

In order to achieve the above object; The utility model is to realize like this; A kind of lock with finishing key and subsequent use key; Comprise the lock shell, be located at lock in the shell and rotating lock core cover, be located in the lock core cover and rotating lock core, the first locking card key, the second locking card key, be located at elastic device, three groups of above blade and springs more than three that the promotion second locking card key in the lock shell moves; Wherein on lock-shell lining

Be positioned at the elastic device place and be provided with the groove that adapts with the second locking card key, one side, put the elongated hole that is provided with the ccontaining second locking card key at lock core, the second locking card key can move radially in elongated hole; At lock core

The center have key hole, on the wall of lock core, have and the corresponding axial groove of the second locking card key opposite side, the first locking card key is contained in the axial groove and can moves radially; Lock core radially have a slot parallel to each other more than three, this slot vertically passes key hole and is communicated with axial groove; Every group of blade comprises two blades that are shaped as frame that overlap each other that are arranged in slot; Have " V " shape socket that matches with the first locking card key in the arm outside of a blade, be provided with the boss that cooperates with key in this wall inboard, the end outside another arm is provided with a stop hook; Outside an arm of another blade, have " V " shape socket that matches with the first locking card key; Be provided with the boss that cooperates with the key groove in this arm inboard; Be provided with a stop hook in the end of another arm; The mouth that formation can supply key to pass in the middle of after two blades overlap each other, spring are between the stop hook of two blades, and " V " shape socket of two blades is positioned at the same side and corresponding with the first locking card key position; It is characterized in that also comprising Cheng “ ∟ " the elastic barrier piece of shape or " ㄩ " shape; the end at lock core has a mounting groove; an end of the mounting groove slot terminal with being positioned at lock core is communicated with; the flexible promotion that is positioned in the mounting groove and receives standby key of elastic barrier piece, " V " shape socket contraposition that the vertical part of elastic barrier piece can lean and make two blades with one group of blade in the slot of lock core end.

Described elastic device comprises back-moving spring and hoodle, and hoodle is facing to the second locking card key.

The utility model advantage compared with prior art does, wrong-unlocking rate is lower, and the pick-proof performance is good, and is therefore safe in utilization, reliable.

Description of drawings

Fig. 1 is the stereogram of the utility model;

Fig. 2 is the sectional drawing of Fig. 1;

Fig. 3 is the explosive decomposition sketch map of Fig. 1;

Blading sketch map when Fig. 4 is the utility model unlocking condition;

Fig. 5 is the not blading sketch map during unlocking condition of the utility model;

Fig. 6 is a kind of state stereogram that lock core cooperates with the elastic barrier piece;

Fig. 7 is the another kind of state stereogram that lock core cooperates with the elastic barrier piece;

Fig. 8 is the finishing key structural representation of the utility model;

Fig. 9 is the standby key structural representation of the utility model.

The specific embodiment

To combine accompanying drawing and embodiment that the utility model is done further detailed description below:

Arrive shown in Figure 9 like Fig. 1; A kind of lock with finishing key and subsequent use key; Comprise lock shell 1; Be located at lock core cover in the lock shell 1 and rotating 3, be located in the lock core cover 3 and rotating lock cores 2, the first locking card key 4, the second locking card key 11, be located at elastic device, three groups of above blade and springs more than three 7 that the promotion second locking card key 11 in the lock shell moves, be provided with five groups of blades and five springs 7 in the present embodiment; Wherein on lock shell 1 inwall, be positioned at the elastic device place and be provided with the groove 13 that adapts with the second locking card key, 11 1 sides; On lock core cover 3, be provided with the elongated hole 31 of the ccontaining second locking card key 11; The second locking card key 11 can move radially in elongated hole 31; So that the one of which side can get in the groove 13, opposite side is arranged in the side groove 13 of elongated hole 31, the second locking card keys 11 and can moves radially the thickness of the second locking card key 11 greater than the wall thickness of lock core cover 3; Have key hole 21 at the center of lock core 2, be contained in the axial groove 24 with corresponding axial groove 24, the first locking card keys 4 of the second locking card key, 11 opposite sides and can move radially having on the wall of lock core; Lock core 2 radially have a slot parallel to each other more than three 23, this slot vertically passes key hole 21 and is communicated with axial groove, radially has five slots parallel to each other 23 at lock core 2 in the present embodiment; Every group of blade comprises two

blades

8,9 that are shaped as frame that overlap each other that are arranged in slot 23; Have " V " shape socket 81 that matches with the first locking card key 4 in the arm outside of a blade 8, be provided with the boss 83 that cooperates with key in this wall inboard, the end outside another arm is provided with a stop hook 82; Outside an arm of another blade 9, have " V " shape socket 91 that matches with the first locking card key 4; Be provided with the boss 93 that cooperates with the key groove in this arm inboard; Be provided with a stop hook 92 in the end of another arm; Formation can supply the mouth 89 that key passes in the middle of after two blades overlap each other, and spring 7 is between the stop hook of two blades, and " V " shape socket of two blades is positioned at the same side and corresponding with the first locking card key, 4 positions; The utility model characteristics are also to comprise Cheng “ ∟ " the elastic barrier piece 10 of shape or " ㄩ " shape; the end at lock core 2 has a mounting groove 22; end of mounting groove 22 slot 23 terminal with being positioned at lock core is communicated with; elastic barrier piece 10 is flexible to be positioned in the mounting groove 22 and promoted by the inwall in the groove hole 151 of standby key 15, " V " shape socket contraposition that the vertical part of elastic barrier piece 10 can lean and make two blades with one group of blade in the slot 23 of lock core end; In the present embodiment, elastic barrier piece 10 Cheng “ ∟ " shape.During use, lock core is before standby key is unblanked, and the vertical part of elastic barrier piece 10 leans with one group of blade in the terminal slot 23 of lock core; As shown in Figure 6; " V " shape socket contraposition of terminal two blades, two blades are inoperative, and can not touch elastic barrier piece 10 because the groove at the top of finishing key 14 is cheated 141 walls this moment; Blade in all slots 23 is all cheated contraposition with the groove of finishing key 14, can unblank with finishing key 14.When lock core after standby key 15 is unblanked, standby key 15 pushes up the vertical section axial of elastic barrier piece 10 away from two blades outward, and is as shown in Figure 7; This moment, two blades resetted under the effect of spring 7; Terminal two blades dislocation, " V " shape socket of terminal two blades staggers, and terminal two blades work; Because the not contraposition of blade in the groove hole 141 at finishing key 14 tops and the terminal slot 23 of lock core; Therefore fitting up key 14 can not unblank, and this moment, standby key 15 can be unblanked, like Fig. 8, shown in 9.Also have the positioning port 32 of coupling rod at the end of lock core cover 3.

In the present embodiment, described elastic device comprises back-moving spring 5 and hoodle 6, and hoodle is facing to the second locking card key 11.

When the finishing person unblanks, also pass two blades one by one formed mouthful 89 in the jack 21 of finishing key 14 insertion lock cores 2, under the external force effect that key inserts; The spring 7 that two blades are 8,9 is compressed, the overlapping merging of " V " shape socket on two blades, and the first locking card key 4 falls within the socket of two blades; At this moment; One side of the second locking card key 11 is gone into axial groove 24, and lock core cover 3 is release lock shell 1 just, and lock core cover 3 and lock core 2 are rotatable; Lock core cover 3 drives shifting block and rotates, and accomplishes the action of unblanking; When the finishing person is closed when lock, opposite spin is also extracted finishing key 14, two blades and under the effect of spring 7, is opened and reset; " V " shape socket dislocation on two blades; With the first locking card key 4 radially outward the top make the second locking card key 11 fall into the elongated hole 31 of lock core cover 3, and this moment the second locking card key 11 opposite side be arranged in the groove 13 of lock shell 1, lock core 2 can rotate; But lock core cover 3 can not rotate, and has realized the purpose of locking.When owner unblanked with subsequent use key 15, subsequent use key 15 inserted in the jack 21 of lock core 2, and the wall in the groove at subsequent use key 15 tops hole 151 axially pushes up elastic barrier piece 10 outward; As shown in Figure 7, this moment, two terminal blades misplaced mutually, and " V " shape socket of two terminal blades staggers; Two terminal blades work; The groove hole, top 141 of fitting up key 14 this moment can not make " V " shape socket contraposition of end blade, and finishing key 14 can not be opened lock, has played the effect of antitheft.The process that subsequent use key is unblanked is identical with the finishing key, no longer repeats.

Claims

1. lock with finishing key and subsequent use key, comprise lock shell (1), be located in the lock shell (1) and rotating lock core cover (3), be located in the lock core cover (3) and rotating lock core (2), the first locking card key (4), the second locking card key (11), be located at elastic device, three groups of above blade and springs more than three (7) that the promotion second locking card key (11) in the lock shell moves; Wherein on lock shell (1) inwall, be positioned at the elastic device place and be provided with the groove (13) that adapts with the second locking card key (11) one sides; On lock core cover (3), be provided with the elongated hole (31) of the ccontaining second locking card key (11), the second locking card key (11) can move radially in elongated hole (31); Have key hole (21) at the center of lock core (2), on the wall of lock core, have and the second locking card corresponding axial groove of key (11) opposite side (24), the first locking card key (4) is contained in the axial groove (24) and can moves radially; Lock core radially have a slot parallel to each other more than three (23), this slot vertically passes key hole (21) and is communicated with axial groove; Every group of blade comprises two blades (8), (9) that are shaped as frame that overlap each other that are arranged in slot (23); The arm outside at a blade (8) has " V " shape socket (81) that matches with the first locking card key (4), is provided with the boss (83) that cooperates with key in this wall inboard, and the end outside another arm is provided with a stop hook (82); Outside an arm of another blade (9), have " V " shape socket (91) that matches with the first locking card key (4); Be provided with the boss (93) that cooperates with the key groove in this wall inboard; Be provided with a stop hook (92) in the end of another arm; The mouth (89) that formation can supply key to pass in the middle of after two blades overlap each other, spring (7) are between the stop hook of two blades, and " V " shape socket of two blades is positioned at the same side and corresponding with first locking card key (4) position; It is characterized in that also comprising Cheng “ ∟ " the elastic barrier piece (10) of shape or " ㄩ " shape; the end at lock core (2) has a mounting groove (22); an end of mounting groove (22) slot (23) terminal with being positioned at lock core is communicated with; the flexible promotion that is positioned in the mounting groove (22) and receives standby key of elastic barrier piece (10), " V " shape socket contraposition that the vertical part of elastic barrier piece (10) can lean and make two blades with one group of blade in the slot (23) of lock core end.

2. a kind of lock with finishing key and subsequent use key according to claim 1 is characterized in that described elastic device comprises back-moving spring (5) and hoodle (6), and hoodle is facing to the second locking card key (11).