CN206158366U - Safety key and lock core subassembly with curve spoon groove - Google Patents

Abstract

Safety key and lock core subassembly with curve spoon groove, including key spoon handle and key main part, the key main part be the cylinder, is equipped with the spoon groove that is rule or irregular curve and constant head tank / the first reference column of bar at its surface, axial extension to the key main part afterbody of spoon groove from the head end portion of key main part along the key main part, axial extension to key main part tail end that the key main part is followed from the head end portion of key main part to constant head tank / first reference column. The utility model discloses an include casing, lock core, locking plate and lockpin with the mating lock core subassembly of the safety key who has curve spoon groove, wherein, in the casing is rotationally located to the lock core, in the lock core is rotationally located to the locking plate, lock core or casing are located to the lockpin through locking plate movably in, rotate under the drive in spoon groove and in making the lockpin get into or breaking away from the casing through the locking plate to the realization is unblanked or is locked. The utility model discloses a safety key need not to set up the tooth and caves in, and not only simple structure makes not transreplication of spoon groove, the security that has improved key and lock in addition.

Description

Safety key with curve spoon groove and lock core component

【Technical field】

The utility model is related to key and lock core, more particularly to a kind of simple structure, security it is good with curve spoon The safety key of groove and the lock core component matched with it.

【Background technology】

Key is a kind of conventional unlocking tool in people's life, and the key bar of existing key is usual in the form of sheets, and Key spoon face is provided with tooth of different shapes, groove and depression.Paired lock core is usually upper and lower pinball structure, and pellet shape Shape all same.When correct key is put into, the room between upper pellet and lower pellet in line, and is alignd with lock core.When Room between pellet is alignd with line is turned, and lock core is just rotatable.When not being put into key, the upper pellet in lock is down pushed away, upper pellet And the room between lower pellet is not point-blank, lock core is made to rotate.In traditional key, due on key spoon face Depression is corresponded with the lower pellet in lock core, not only complex structure, and this key is where any bitting Identical key can be fitted on so that the security of key is very poor.On the other hand, the hoodle of paired spring lock is equal It is to project the key hole wall in lock core, thus pellet available dedicated instrument reaches unlocking purpose by the means such as choosing, dialling, it is antitheft Property extreme difference.Therefore, how to simplify the structure of key and lock core, and improve the theftproof performance of lock just becomes a kind of objective demand.

【The content of the invention】

The utility model aims to solve the problem that the problems referred to above, and providing one kind can effectively prevent to be unlocked by special unlocking tool, Theftproof performance is good, safe, the safety key with curve spoon groove applied widely.

The utility model additionally provides a kind of lock core component with the pairing of the safety key with curve spoon groove.

To realize the purpose of this utility model, the utility model provides a kind of safety key with curve spoon groove, should Key includes the shank of the key and the key body with the shank of the key one, and the key body is cylinder, in the key body Outer surface is provided with least one spoon groove and locating slot/the first locating dowel of bar shaped in rule or irregular curve, the spoon groove Key body rear end is axially extended to from the front end edge key body of key body, locating slot/the first locating dowel is from key The front end edge key body of spoon main body axially extends to key body rear end.

The spoon groove is snakelike, waveform, spirality or stairstepping.

The utility model additionally provides a kind of lock core component with the described pairing of the safety key with curve spoon groove, should Lock core component includes housing, lock core, locking plate and lock pin, and the lock core is rotatably arranged in housing, in the central authorities of the lock core Keyhole is provided with, the locking plate is rotatably arranged in lock core, the lock pin is actively located in lock core or housing by locking plate, institute Keyhole is stated located at the central authorities of lock core, and when being not inserted into the key of key or inserting error, a part for lock pin is located in lock core, Another part is located in housing, and lock core cannot rotate around housing；During the key of insertion pairing, the locking plate is by spoon groove in lock core Interior rotation, until the lock pin departs from housing and enters in lock core, is unlocked by rotating key body band movable lock core rotation.

The section of the housing is annular, and the first groove matched with lock pin profile is provided with the inside of housing.

It is trapezoidal groove that first groove is section, and in locking plate rotation process, the lock pin is by the first groove The pressure of two sides is made it in lock core.

The first cavity, the second cavity of accommodating lock pin and the positioning with key body of accommodating locking plate are provided with the lock core Locating dowel/the first locating slot that groove/the first locating dowel matches, second cavity and keyhole are passed through respectively with the first cavity It is logical.

The locking plate is fan-shaped blocks, and its bottom is provided with the projection matched with the cell body of spoon groove, top be provided with Second groove of lock pin form fit, during insertion key, locking plate is protruded out in spoon groove, and drives locking plate to turn along spoon tank circuit footpath It is dynamic, until lock pin departs from the first groove and enters in the second groove, rotated by rotation key body band movable lock core and unlocked.

The locking plate is for multiple, and the second groove location of each locking plate is different, and when unlocking each locking plate the second groove The underface of the first groove is turned to by spoon groove.

It is provided with the top of the locking plate for spacing breach, the two ends of the breach are located at the two ends outside of the second groove.

The lock pin includes locking bar and the spring being connected with locking bar two ends, and during locking, a part for the locking bar is in spring Elastic force effect lower enter in the first groove.

Contribution of the present utility model is that it efficiently solves the problems, such as that existing structure complexity, key security be not high.This Utility model arranges locking plate and lock pin by arranging curve spoon groove on key body in lock core, realizes locking plate in spoon groove Drive under rotate and make in the into and out housing of lock pin, so as to realize unlock or locking.Due to safety of the present utility model Key need not arrange tooth and depression, thus position when cannot determine that each locking plate is unlocked, and spoon groove is shaped form so that this practicality New safety key is not only simple in structure, and not transreplication, and security is good；On the other hand, due to the lock in lock core The projection of piece returns to original position after key is extracted, so as to learn the raised particular location of each locking plate during unlocking, thus nothing Method reaches unlocking purpose by the means such as choosing, dialling, and further increases lock security.

【Description of the drawings】

Fig. 1 is the dimensional structure diagram of the utility model key.

Fig. 2 is the top view of the utility model key.

Fig. 3 is the left view of the utility model key.

Fig. 4 is the structural representation of the utility model lock core.

Fig. 5 is the A-A of Fig. 4 to sectional view.

Fig. 6 is the structural representation of the utility model lock core component.

Fig. 7 is the structural representation of the utility model lock core component lockout state.

Fig. 8 is the structural representation of the utility model lock core component unlocking condition.

Fig. 9 is the structural representation of each locking plate of unlocking condition of the present utility model.

【Specific embodiment】

The following example is explained further and supplements to of the present utility model, and to the utility model any limit is not constituted System.

Refering to Fig. 1, Fig. 2 and Fig. 3, the safety key with curve spoon groove of the present utility model includes the shank of the key 10 and key Main body 20.The structure of the shank of the key 10 can be known structure, such as rectangle, circular or semicircle, the shank of the key in the present embodiment 10 are semicircle blocks.

As shown in Figure 1, Figure 2 and Figure 3, the key body 20 with the one of the shank of the key 10, the key are provided with the one end of the shank of the key 10 Spoon main body 20 is cylinder, and in the outer surface of key body 20 spoon groove 21, front end edge of this spoon of groove 21 from key body 20 are arranged The rear end for axially extending to key body 20 of key body 20, and this spoon of groove 21 is the spoon groove in rule or irregular curve, Such as snakelike spoon groove, waveform spoon groove, spirality spoon groove or stairstepping spoon groove.In order that locking plate 50 more easily enters spoon groove 21 Interior, the cell body of the leading section of spoon groove 21 extends along the radially opposite sides of key body 20, i.e. the spoon groove 21 of the leading section of key body 10 Cell body it is bigger than the cell body of other positions, so as to ensure that the locking plate 50 for deviateing spoon groove 21 is smoothly entered in spoon groove 21.Additionally, root According to being actually needed, the spoon groove 21 of the outer surface of key body 20 could be arranged to one, it is also possible to be set to multiple.In key body 20 outer surface is additionally provided with locating slot 22, the locating slot 22 be bar shaped locating slot, its front end edge key master from key body 20 The rear end for axially extending to key body 20 of body 20.Certainly, the outer surface in key body 20 can also be provided with the first locating dowel (not shown), first locating dowel is bar shaped locating dowel, and it is from the axial direction of the front end edge key body 20 of key body 20 Extend to the rear end of key body 20.The locating dowel of locating slot 22 or first can be arranged as required in the appearance of key body 20 The bottom in face, top or side, and the locating dowel of locating slot 22 or first do not overlap with spoon groove 21.In the present embodiment, in key The bottom of the outer surface of main body 20 is provided with locating slot 22.

Refering to Fig. 4, Fig. 5 and Fig. 6, the lock core component bag matched with the safety key with curve spoon groove of the present utility model Housing 30, lock core 40, locking plate 50 and lock pin 60 are included, in the drive division of lock core 40 dead bolt or gear assembly etc. can be connected, rotated Lock core 40 can drive dead bolt or gear assembly to rotate, so as to realize unlocking or locking.

As shown in figure 5, the section of the housing 30 is annular, the first groove 31 is provided with the inner side of housing 30, this The cell body of one groove 31 matches with the profile of lock pin 60.When locking, lock pin 60 is partly in the first groove 31.When During unlocking, lock pin 60 departs from the first groove 31.In order that lock pin 60 smoothly departs from the first groove 31, by the section of the first groove 31 It is set to trapezoidal, under the active force of two sides of the first groove 31, lock pin 60 is more readily pulled from the first groove 31, so as to protect Card is smoothly unlocked.

As shown in Figure 4, Figure 5, lock core 40 is provided with housing 30, the lock core 40 is cylindrical cavity, and it is in key master Can rotate around housing 30 under the drive of body 20, the keyhole 41 of accommodating key body 20 is provided with the central authorities of lock core 40, in lock core The first cavity 42 of accommodating locking plate 50 and the second cavity 43 of accommodating lock pin 60 are provided with 40, wherein, keyhole 41 and key sheet The profile of body 20 matches, the insertion of 41 and first cavity of keyhole 42.The profile and quantity of the first cavity 42 and locking plate 50 Profile and quantity match, and in the present embodiment, the first cavity 42 is provided with six.Second cavity 43 is located at the top of the first cavity 42, It matches with the profile of the locking bar 61 of lock pin 60, and the second cavity 43 and the insertion of the first cavity 42.The two of the second cavity 43 Side is provided with the 3rd groove 45 for putting spring.Locating dowel 44 is provided with lock core 40, the locating dowel 44 is located at lock core 40 In keyhole 41.And position and mating shapes of the position and shape of the locating dowel 44 with the locating slot 22 of key body 20, For key positioner.When the outer surface of key body 20 is provided with the first locating dowel, the first locating slot (figure is provided with lock core 40 Not shown in), it is located in the keyhole 41 of lock core 40, and the first locating dowel phase of first locating slot and key body 20 Match somebody with somebody.In the present embodiment, locating dowel 44, and the locating dowel 44 are provided with for bar shaped positioning in the inside bottom of keyhole 41 of lock core 40 Post.

As shown in Fig. 7, Fig. 8 and Fig. 9, locking plate 50 is provided with the first cavity 42 of lock core 40, the locking plate 50 is rotationally In lock core 40, it is the blocks of semicircular blocks, the blocks of annular or sector.In the present embodiment, locking plate 50 are fan-shaped blocks, and in the bottom of locking plate 50 raised 51 are provided with, and the projection 51 matches with the cell body of spoon groove 21, in locking plate 50 top is provided with the second groove 52, and second groove 52 matches with lock pin 60.The quantity of locking plate 50 can be one, also may be used Being multiple.When a locking plate 50 is provided with lock core 40, after insertion key body 20, the projection 51 of locking plate 50 is along spoon groove 21 Track motion, until the second groove 52 is located at the underface of the first groove 31, rotation key body 20 can unlock.Work as lock core When being provided with multiple locking plates 50 in 40, each locking plate 50 is axially placed along keyhole 41, and the position of the second groove 52 of each locking plate 50 Difference is put, the projection 51 of relative position between the second groove 52 of each locking plate 50 and raised 51 and each locking plate 50 is made in spoon groove 21 Final position match, i.e., after key body 20 are inserted, the projection 51 of each locking plate 50 is from the cephalic par of spoon groove 21 along spoon The track motion of groove 21, and drive each second groove 52 to rotate, until each second groove 52 is located at the underface of the first groove 31, Rotation key body 20 can unlock.In the present embodiment, six locking plates 50 are provided with lock core 40, each locking plate 50 is along keyhole 41 It is axially placed.Breach 53 is additionally provided with locking plate 50, the breach 53 is the breach of outward opening, its two ends is located at the second groove 52 Two ends outside.The breach 53 is used to preventing locking plate 50 from radian is rotated in rotation process excessive and the second groove 52 is turned To the underface of the first groove 31, so as to reach spacing effect.

As shown in Fig. 6, Fig. 7 and Fig. 8, lock pin 60 is provided with the second cavity 43 of lock core 40, the lock pin 60 passes through locking plate 50 rotate and are actively located in lock core 40 or housing 30, and it includes locking bar 61 and spring 62.Wherein, locking bar 61 be cylinder or Cuboid, it is located in the second cavity 43.In the 3rd groove 45 of lock core 40, it is connected spring 62 with the two ends of locking bar 61. When unlocking, spring 62 is subject to the side active force of the first groove 31 and compresses, and locking bar 61 is departed from the first groove 31 and is entered In second groove 52；When locking, under the active force of spring 62, make locking bar 61 is partly into the of housing 30 to locking bar 61 In one groove 31, so that lock core 40 cannot rotate, now spring 62 is in the raw.

As shown in Figure 7, Figure 8, the lock core component operation process of the present embodiment is：During unlocking, by the positioning of key body 20 Groove 22 is directed at the locating dowel 44 of lock core 40, inserts keyhole 41 of the key body 20 from lock core 40, and key body 20 is inserted During, the projection 51 of each locking plate 50 is entered in the spoon groove 21 of key body 20, and with the insertion of key body 20, each locking plate 50 projection 51 and drives each locking plate 50 to rotate in the first cavity 42 of lock core 40 along the track motion of spoon groove 21, works as key When in the spoon fully-inserted keyhole 41 of body 20, the second groove 52 of each locking plate 50 be located at the first groove 31 of housing 30 just under Side, at the same time, locking plate 50 is in rotation process, and the locking bar 61 between lock core 40 and housing 30 is recessed in spring 62 and first Under the collective effect power of the side of groove 31, locking bar 61 completely in the second cavity 43 of lock core 40, now by rotating key sheet Body 20 can with movable lock core 40 around housing 30 axial-rotation, so as to realize unlock.When key body 20 is pulled out from keyhole 41 When going out, the projection 51 of locking plate 50 is back moved along the track of spoon groove 21, and drives each locking plate 50 in the first cavity of lock core 40 Rotate in 42, because spoon groove 21 is curve spoon groove, in the rotation process of locking plate 50, its second groove 52 is no longer at the of housing 30 The underface of one groove 31, now, the locking bar 61 of lock pin 60 is in the bottom of breach 53 of locking plate 50 and the collective effect power of spring 62 Under move upwards, and first groove 31 for being partly into housing 30 of locking bar 61 is made, so that lock core 40 cannot be around housing 30 Rotation.

Take this, the safety key with curve spoon groove of the present utility model by the way that key body 20 is set to into cylinder, And curve spoon groove 21 is set on key body 20, and locking plate 50 and lock pin 60 are set in lock core, realize locking plate 50 in spoon groove Rotate under 21 drive and make in the into and out housing 30 of lock pin 60, so as to realize unlocking or locking.Due to the utility model Safety key tooth and depression need not be set, thus position when cannot determine that each locking plate 50 is unlocked, and spoon groove 21 is shaped form, So that safety key of the present utility model is not only simple in structure, and not transreplication, security is good；On the other hand, due to being located at The projection 51 of the locking plate 50 in lock core 40 returns to original position after key is extracted, so as to learn the projection of each locking plate 50 during unlocking 51 particular location, thus unlocking purpose cannot be reached by the means such as choosing, dialling, further increase lock security.

Although being disclosed to the utility model by above example, protection domain of the present utility model not office It is limited to this, under conditions of conceiving without departing from the utility model, deformation, replacement that each component is done to more than etc. will fall into this In the right of utility model.

Claims (10)

1. a kind of safety key with curve spoon groove, it is characterised in that the key includes the shank of the key (10) and and the shank of the key (10) key body (20) of one, the key body (20) is cylinder, is set in the outer surface of the key body (20) There are at least one spoon groove (21) and locating slot (22)/first locating dowel of bar shaped in rule or irregular curve, the spoon groove (21) key body (20) rear end, the locating slot are axially extended to from the front end edge key body (20) of key body (20) (22)/first locating dowel axially extending to after key body (20) from the front end edge key body (20) of key body (20) End.

2. the safety key with curve spoon groove as claimed in claim 1, it is characterised in that the spoon groove (21) for it is snakelike, Waveform, spirality or stairstepping.

3. the lock core component that a kind of safety key with curve spoon groove with described in claim 1 is matched, it is characterised in that should Lock core component includes housing (30), lock core (40), locking plate (50) and lock pin (60), and the lock core (40) is rotatably arranged in housing (30) in, keyhole (41) is provided with the central authorities of the lock core (40), the locking plate (50) is rotatably arranged in lock core (40), institute Lock pin (60) is stated by locking plate (50) actively in lock core (40) or housing (30), and is not inserted into key or inserting error During key, a part for lock pin (60) is located in lock core (40), and another part is located in housing (30), and lock core (40) cannot be around shell Body (30) rotates；When the key of insertion pairing, the locking plate (50) is rotated by spoon groove (21) in lock core (40), until institute State lock pin (60) and depart from housing (30) in lock core (40), opened by rotating key body (20) band movable lock core (40) rotation Lock.

4. lock core component as claimed in claim 3, it is characterised in that the section of the housing (30) is annular, in housing (30) the first groove (31) matched with lock pin (60) profile is provided with the inside of.

5. lock core component as claimed in claim 4, it is characterised in that it is trapezoidal recessed that first groove (31) is section Groove, in locking plate (50) rotation process, the lock pin (60) makes it into lock core by the pressure of two sides of the first groove (31) (40) in.

6. lock core component as claimed in claim 3, it is characterised in that the of accommodating locking plate (50) is provided with the lock core (40) One cavity (42), second cavity (43) of accommodating lock pin (60) and locating slot (22)/first locating dowel with key body (20) Locating dowel (44)/first locating slot for matching, second cavity (43) and keyhole (41) respectively with the first cavity (42) Insertion.

7. lock core component as claimed in claim 4, it is characterised in that the locking plate (50) is fan-shaped blocks, its bottom The projection (51) matched with the cell body of spoon groove (21) is provided with, top is provided with the second groove with lock pin (60) form fit (52) when, inserting key, the projection (51) of locking plate (50) drives locking plate (50) along spoon groove (21) path in spoon groove (21) Rotate, until lock pin (60) departs from the first groove (31) in the second groove (52), driven by rotating key body (20) Lock core (40) rotates and unlocks.

8. lock core component as claimed in claim 7, it is characterised in that the locking plate (50) be it is multiple, the of each locking plate (50) Two grooves (52) position is different, and second groove (52) of each locking plate (50) turns to first by spoon groove (21) when unlocking The underface of groove (31).

9. lock core component as claimed in claim 7 or 8, it is characterised in that be provided with for spacing at the top of the locking plate (50) Breach (53), the two ends of the breach (53) are located at the two ends outside of the second groove (52).

10. lock core component as claimed in claim 4, it is characterised in that the lock pin (60) is including locking bar (61) and and locking bar (61) spring (62) of two ends connection, during locking, a part for the locking bar (61) is entered under the elastic force effect of spring (62) In first groove (31).