CN104989182A - Lock with back locking function and key - Google Patents
Lock with back locking function and key Download PDFInfo
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- CN104989182A CN104989182A CN201510332847.4A CN201510332847A CN104989182A CN 104989182 A CN104989182 A CN 104989182A CN 201510332847 A CN201510332847 A CN 201510332847A CN 104989182 A CN104989182 A CN 104989182A
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- lock
- back locking
- under
- pellet
- block
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Abstract
The invention discloses a lock with a back locking function. The lock comprises a lock shell and a lock cylinder; a lower back locking groove communicated with a key hole is arranged on the outer side of the front section of the lock cylinder, an upper back locking groove corresponding to the lower back locking groove is arranged on the lock shell, and a lower back locking block and an upper back locking block which can slide are arranged in the lower back locking groove and the upper back locking groove respectively; a large back locking spring for jacking the lower back locking block and the upper back locking block downwards is arranged on the lock shell, a plurality of lower back locking billiard holes communicated with the key hole are arranged on the lower back locking block, a plurality of upper back locking billiard holes corresponding to the lower back locking billiard holes are arranged on the upper back locking block, and cylindrical lower back locking billiards and cylindrical upper back locking billiards are arranged in the lower back locking billiard holes and the upper locking billiard holes respectively; and back locking springs for jacking the upper back locking billiards downwards are arranged in the upper back locking billiard holes. When an object which is not coincident with a key is inserted into the lock, automatic back locking and violence damage resistance will be achieved; and theft prevention and the violence damage resistance are better. The invention further provides the key matched with the lock.
Description
Technical field
The invention belongs to the technical field of lock, specifically refer to a kind of lock & key with back locking function.
Background technology
At present, anti-theft lock end common in prior art, comprise housing, lock core and pellet, card key mechanism, lock core is arranged in housing rotationally, wherein lock core comprises cylindric internal cylinder and cylindrical shape outer lock core, the external surface of internal cylinder be arranged in parallel some with the belt groove of axes normal, every bar goes in ring in groove and is symmetrical arranged a pair arc sliding sheet and a spring, and the outer rim of often pair of arc sliding sheet arranges a keyway respectively; Described pellet, card key mechanism comprise two bar shaped card keys and some to pellet, and two bar shaped card keys and axis being parallel are arranged in the chute of outer lock core both sides, and inner walls and chute relevant position arrange card key groove, and pellet is arranged at the card key groove in housing.After inserting correct key, two sides of key act on the tail end of arc sliding sheet, arc sliding sheet annularly groove moves spring-compressed, the keyway at arc sliding sheet outer rim place moves on straight line, card key falls in keyway, internal cylinder and outer lock core could rotate in housing, and then open lockset.The key ability rotational lock core that this kind of structure only has insertion correct, inserts other foreign matters rotational lock cores.If object larger for intensity is inserted lockhole, use force and just lock core can be destroyed and open lockset, anti-theft pick-proof performance is not strong.
Above-mentioned discussion content object be to reader introduce may to below by the various aspects of technology relevant for the various aspects of the present invention be described and/or advocate, believe that this discussion content contributes to for reader with background's information, to be conducive to understanding various aspects of the present invention better, therefore, should be appreciated that it is discuss to read these with this angle, instead of admit prior art.
Summary of the invention
The object of the invention is to avoid deficiency of the prior art and provide a kind of lock with back locking function, it is antitheft and anti-violence damage better, present invention also offers a kind of key coordinated with lock.
Object of the present invention is achieved through the following technical solutions:
A kind of lock with back locking function is provided, comprise lock housing and columned lock core, the cylindrical hole of accommodating lock core is provided with in described lock housing, described lock core is arranged in cylindrical hole, lock core is provided with axial keyhole, the back segment arranged outside of described lock core has several lower marble holes be communicated with keyhole, described lock housing is provided with marble hole on several corresponding with lower marble hole, columned lower pellet and upper pellet is respectively arranged with in lower marble hole and upper marble hole, the spring pushed up by upper pellet is provided with downwards in upper marble hole, the leading portion arranged outside of described lock core have be communicated with keyhole under lock groove, described lock housing is provided with under lock groove corresponding on lock groove, under lock groove and on lock in groove be respectively arranged with slidably lock down block and on lock block, described lock housing is provided with by under lock block and above lock that block pushes up downwards lock big spring, under lock to be provided with under several are communicated with keyhole above block and lock marble hole, lock on described block be provided with under lock on corresponding several of marble hole and lock marble hole, under lock marble hole and on lock in marble hole be respectively arranged with columned under lock pellet and on lock pellet, on lock in marble hole be provided with by lock that pellet pushes up downwards lock spring.
Wherein, the lower surface of locking block under described is provided with U-shaped raised line, and the lower ending opening locking marble hole under described is arranged in the region that U-shaped raised line surrounds.
Wherein, the quantity of locking marble hole under described is three.
Wherein, the outer peripheral face of described lock core is provided with positioning bead groove, described lock housing is provided with the location hoodle that can snap in positioning bead groove.
Wherein, lock on described marble hole run through described on lock block, the upper surface of above locking block is provided with little pressing plate, described in lock spring two ends withstand on respectively and lock between pellet and little pressing plate.
Wherein, lock groove on described and run through described lock housing, the arranged outside of described lock housing has large plate, described in lock big spring two ends withstand on respectively between little pressing plate and large plate.
Wherein, described upper marble hole runs through described lock housing, and the two ends of described spring withstand between pellet and large plate respectively.
As above described in there is back locking function the key that coordinates of lock, comprise the shank of the key and spoon bar, the back segment of described spoon bar be provided with under lock the groove that block lower surface coordinates, be provided with above described spoon bar multiple and lower pellet, under lock the den that pellet coordinates.
Wherein, described groove is U-lag.
Wherein, a den coordinated with lower pellet is had at least to be through hole.
Beneficial effect of the present invention: owing to have employed above-mentioned structure, lock under of the present invention block, on lock block, under lock pellet, on lock pellet, lock spring and form anti-lock device together, it can play the effect that locking lock core rotates, when with key do not conform to object insert time can automatic lockout and anti-violence damage, theftproof of the present invention and anti-violence damage better.
Accompanying drawing explanation
The invention will be further described to utilize accompanying drawing, but the embodiment in accompanying drawing does not form any limitation of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, can also obtain other accompanying drawing according to the following drawings.
Fig. 1 is the three-dimensional assembling drawing of the lock with back locking function.
Fig. 2 is the using state figure of the lock with back locking function.
Fig. 3 locks the sectional view of block under being.
Fig. 4 is the stereogram of key.
Detailed description of the invention
Technical scheme of the present invention is understood better in order to make those skilled in the art, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, it should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Core of the present invention is to provide a kind of lock with back locking function, and its theftproof and anti-violence damage better, present invention also offers a kind of key coordinated with this lock.
As shown in Figure 1 to Figure 3, the lock with back locking function of the present invention, comprise lock housing 1 and columned lock core 2, the cylindrical hole 3 of accommodating lock core 2 is provided with in described lock housing 1, described lock core 2 is arranged in cylindrical hole 3 and also can rotates in cylindrical hole 3, lock core 2 is provided with axial keyhole 4, keyhole 4 is for inserting key.The back segment arranged outside of described lock core 2 has eight lower marble holes 5 be communicated with keyhole 4, described lock housing 1 is provided with eight the upper marble holes 6 corresponding with lower marble hole 5, columned lower pellet 7 and upper pellet 8 is respectively arranged with in each lower marble hole 5 and upper marble hole 6, the spring 9 pushed up by upper pellet 8 is provided with downwards in upper marble hole 6, lower pellet 7, upper pellet 8, spring 9 is eight, wherein go up pellet 8, lower pellet 7 have respectively one or three length consistent and conform to lock core 2 cylindrical, pellet 8 on all the other, lower pellet 7 length is inconsistent, form irregular Zhu Chang, anti-disassemble manufactures unlocking tool.
The leading portion arranged outside of described lock core 2 have be communicated with keyhole 4 under lock groove 10, described lock housing 1 is provided with under lock groove 10 corresponding on lock groove 11.Under lock groove 10 and on lock in groove 11 be respectively arranged with slidably lock down block 12 and on lock block 13, described lock housing 1 is provided with by under lock block 12 and above lock block 13 downwards top lock big spring 14.Under lock block 12 be provided with above three be communicated with keyhole 4 under lock marble hole 15, lock on described block 13 be provided with under lock on corresponding three of marble hole 15 and lock marble hole 16.The lower surface of locking block 12 under described is provided with U-shaped raised line 22, and the lower ending opening locking marble hole 15 under described is arranged in the region that U-shaped raised line 22 surrounds.Under lock marble hole 15 and on lock be respectively arranged with in marble hole 16 columned under lock pellet 17 and on lock pellet 18, above lock in marble hole 16 be provided with by lock pellet 18 downwards top lock spring 19.The length of locking pellet 17 under each is inconsistent, forms irregularly to lock Zhu Chang.Instantly the contact site locked block 12 and above lock block 13 is in the binding site of lock core 2 and lock housing 1, and each under lock pellet 17 and corresponding on lock pellet 18 contact site when being all in down the binding site locked block 12 and above lock block 13, under lock block 12 and on lock block 13 and can relatively rotate, namely lock core 2 and lock housing 1 can relatively rotate.
Lock on described marble hole 16 run through described on lock block 13, the upper surface of above locking block 13 is provided with little pressing plate 20, described in lock spring 19 two ends withstand on respectively and lock between pellet 18 and little pressing plate 20.Lock groove 11 on described and run through described lock housing 1, the arranged outside of described lock housing 1 has large plate 21, described in lock big spring 14 two ends withstand on respectively between little pressing plate 20 and large plate 21.Described upper marble hole 6 runs through described lock housing 1, and the two ends of described spring 9 withstand between pellet 8 and large plate 21 respectively.By the setting of large and small pressing plate, facilitate the assembling of each pellet and spring.
The outer peripheral face of described lock core 2 being provided with positioning bead groove 23, described lock housing 1 being provided with the location hoodle 24 that can snap in positioning bead groove 23, described lock housing 1 being also provided with the installing hole for installing location hoodle 24.When lock core 2 turns to precalculated position in lock housing 1, location hoodle 24 snaps in positioning bead groove 23 under the effect of its spring, realize the elasticity location of lock core 2 in lock housing 1, at position location place, lower marble hole 5 and upper marble hole 6 align, under lock marble hole 15 and on lock marble hole 16 and also align, be convenient to like this insert key unlocking.
As shown in Figure 4, a kind of as above described in there is back locking function the key that coordinates of lock, comprise the shank of the key and spoon bar, the back segment of described spoon bar be provided with under lock the groove 26 that block 12 lower surface coordinates, described groove 26 is U-lag.Be provided with above described spoon bar multiple and lower pellet 7, under lock the den 27 that pellet 17 coordinates.
Operating principle of the present invention: when inserting keyhole 4 without object, under lock block 12 under the effect of locking big spring 14 through under lock groove 10 and stretch to keyhole 4 bottommost, this contact site locked block 12 at present and above lock block 13 is in the binding site of lock core 2 and lock housing 1, but, under lock pellet 17 under the effect of locking spring 19, also stretch to keyhole 4 bottommost, under lock pellet 17 and corresponding on lock pellet 18 contact site with under the binding site locking block 12 and above lock block 13 stagger, under lock block 12 and on lock block 13 and cannot relatively rotate, anti-lock device is in unlatching, such lock core 2 also cannot rotate in the cylindrical hole 3 of lock housing 1.
When key 25 inserts, block 12 is locked under key 25 jack-up, when key 25 inserts completely, under the U-lag 26 locked on the U-shaped raised line 22 of block 12 lower end and key 25 match, under lock block 12 reset fall, under the contact site locking block 12 and above lock block 13 be in the binding site of lock core 2 and lock housing 1, simultaneously, on key 25, pellet 17 is locked under holding up in deep mixed den 27, lock pellet 17 under each and corresponding on lock pellet 18 contact site be all in down the binding site locked block 12 and above lock block 13, under lock block 12 and on lock block 13 and can relatively rotate.Now, the den 27 on key 25 rear portion also holds up lower pellet 7, and the contact site of lower pellet 7 and upper pellet 8 is in the binding site of lock core 2 and lock housing 1, and lock core 2 can rotate in the cylindrical hole 3 of lock housing 1, realizes unblanking.After key is transferred to completely, under the effect of locking big spring 14, under lock block 12 and on lock block 13 and move down, simultaneously, under the effect of locking spring 19, under lock pellet 17 and corresponding on lock pellet 18 contact site stagger under lock block 12 and above lock the binding site of block 13, lock core is stuck cannot rotate.
When inserting with the object that key does not conform to, under lock block 12 jack-up after, under the contact site locking block 12 and above lock block 13 to stagger the binding site of lock core 2 and lock housing 1, with to lock pellet 17 at present and corresponding on lock pellet 18 contact site also stagger under lock block 12 and above lock the binding site of block 13, also be difficult to unblank even if use force, realize automatic lockout and anti-violence.
As shown in Figure 4, the den 27 coordinated with lower pellet 7 in the upper left corner of key 25 is through hole, and the lower pellet 7 be mated can stretch to keyhole 4 bottommost through this through hole, and this lower pellet 7 can play the effect of locking equally.Its principle is as follows: when inserting keyhole 4 without key, this lower pellet 7 stretches to keyhole 4 bottommost, and its contact site with upper pellet 8 is in the binding site of lock core 2 and lock housing 1; When correct key inserts keyhole 4, lower pellet 7 stretches to keyhole 4 bottommost through through hole, and it is still in the binding site of lock core 2 and lock housing 1 with the contact site of upper pellet 8, and lock core 2 can rotate in the cylindrical hole 3 of lock housing 1; When the key of mistake or other objects insert keyhole 4, this lower pellet 7 can by jack-up, and itself and the contact site of upper pellet 8 stagger the binding site in lock core 2 and lock housing 1, and lock core is stuck cannot rotate.This lower pellet 7 and upper pellet 8 play the effect of similar anti-lock device too.It should be noted that, can be arranged to multiple den 27 on the key is as required through hole.
Set forth a lot of detail in description above so that fully understand the present invention, but the present invention can also adopt other to be different from other modes described here and implement, and therefore, can not be interpreted as limiting the scope of the invention.
In a word; those skilled in the art although the present invention illustrates above-mentioned preferred embodiment, should illustrate, although can carry out various change and remodeling; unless such change and remodeling deviate from scope of the present invention, otherwise all should be included in protection scope of the present invention.
Claims (10)
1. one kind has the lock of back locking function, comprise lock housing (1) and columned lock core (2), the cylindrical hole (3) of accommodating lock core (2) is provided with in described lock housing (1), described lock core (2) is arranged in cylindrical hole (3), lock core (2) is provided with axial keyhole (4), the back segment arranged outside of described lock core (2) has several lower marble holes (5) be communicated with keyhole (4), described lock housing (1) is provided with marble hole (6) on several corresponding with lower marble hole (5), columned lower pellet (7) and upper pellet (8) is respectively arranged with in lower marble hole (5) and upper marble hole (6), the spring (9) pushed up by upper pellet (8) is provided with downwards in upper marble hole (6), it is characterized in that: the leading portion arranged outside of described lock core (2) have be communicated with keyhole (4) under lock groove (10), described lock housing (1) is provided with under lock groove (10) corresponding on lock groove (11), under lock groove (10) and on lock in groove (11) be respectively arranged with slidably lock down block (12) and on lock block (13), described lock housing (1) is provided with by under lock block (12) and above lock block (13) downwards top lock big spring (14), under lock block (12) and be provided with under several are communicated with keyhole (4) above and lock marble hole (15), lock on described block (13) be provided with under lock on corresponding several of marble hole (15) and lock marble hole (16), under lock marble hole (15) and on lock be respectively arranged with in marble hole (16) columned under lock pellet (17) and on lock pellet (18), on lock in marble hole (16) be provided with by lock pellet (18) downwards top lock spring (19).
2. the lock with back locking function according to claim 1, it is characterized in that: the lower surface of locking block (12) under described is provided with U-shaped raised line (22), the lower ending opening locking marble hole (15) under described is arranged in the region that U-shaped raised line (22) surrounds.
3. the lock with back locking function according to claim 2, is characterized in that: the quantity of locking marble hole (15) under described is three.
4. the lock with back locking function according to claim 1, it is characterized in that: the outer peripheral face of described lock core (2) is provided with positioning bead groove (23), described lock housing (1) is provided with the location hoodle (24) that can snap in positioning bead groove (23).
5. the lock with back locking function according to any one of claim 1 to 4, it is characterized in that: lock on described marble hole (16) run through described on lock block (13), on lock block (13) upper surface be provided with little pressing plate (20), described in lock spring (19) two ends withstand on respectively and lock between pellet (18) and little pressing plate (20).
6. the lock with back locking function according to claim 5, it is characterized in that: lock groove (11) on described and run through described lock housing (1), the arranged outside of described lock housing (1) has large plate (21), described in lock big spring (14) two ends withstand on respectively between little pressing plate (20) and large plate (21).
7. the lock with back locking function according to claim 6, it is characterized in that: described upper marble hole (6) runs through described lock housing (1), the two ends of described spring (9) withstand between pellet (8) and large plate (21) respectively.
8. the key coordinated with the lock according to any one of claim 1 to 7 with back locking function, comprise the shank of the key and spoon bar, it is characterized in that: the back segment of described spoon bar be provided with under lock the groove (26) that block (12) lower surface coordinates, be provided with above described spoon bar multiple and lower pellet (7), under lock the den (27) that pellet (17) coordinates.
9. key according to claim 8, is characterized in that: described groove (26) is U-lag.
10. key according to claim 8 or claim 9, is characterized in that: have at least a den (27) coordinated with lower pellet (7) to be through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510332847.4A CN104989182B (en) | 2015-06-16 | 2015-06-16 | Lock ＆ key with back locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510332847.4A CN104989182B (en) | 2015-06-16 | 2015-06-16 | Lock ＆ key with back locking function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104989182A true CN104989182A (en) | 2015-10-21 |
| CN104989182B CN104989182B (en) | 2017-07-14 |
Family
ID=54301053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510332847.4A Active CN104989182B (en) | 2015-06-16 | 2015-06-16 | Lock ＆ key with back locking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104989182B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20200324U1 (en) * | 2001-12-29 | 2002-05-16 | Fed Lock Co | Lock with a part that can be moved by a magnetic element in a key |
| CN201850857U (en) * | 2010-11-17 | 2011-06-01 | 李杰伟 | Lock cylinder with mater and auxiliary blade structure |
| EP2423412A2 (en) * | 2010-08-31 | 2012-02-29 | Dan Ove Hansen | Lock and key blade |
| CN103132801A (en) * | 2011-11-22 | 2013-06-05 | 赖文坤 | Anti-theft lock cylinder with three-in-one structure |
| CN104314374A (en) * | 2014-10-15 | 2015-01-28 | 冯伟坚 | Lock core and adaptive key |
-
2015
- 2015-06-16 CN CN201510332847.4A patent/CN104989182B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20200324U1 (en) * | 2001-12-29 | 2002-05-16 | Fed Lock Co | Lock with a part that can be moved by a magnetic element in a key |
| EP2423412A2 (en) * | 2010-08-31 | 2012-02-29 | Dan Ove Hansen | Lock and key blade |
| EP2423412A3 (en) * | 2010-08-31 | 2013-01-16 | Dan Ove Hansen | Lock and key blade |
| CN201850857U (en) * | 2010-11-17 | 2011-06-01 | 李杰伟 | Lock cylinder with mater and auxiliary blade structure |
| CN103132801A (en) * | 2011-11-22 | 2013-06-05 | 赖文坤 | Anti-theft lock cylinder with three-in-one structure |
| CN104314374A (en) * | 2014-10-15 | 2015-01-28 | 冯伟坚 | Lock core and adaptive key |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104989182B (en) | 2017-07-14 |
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