CN100562638C - Mechanical antitheft lock - Google Patents
Mechanical antitheft lock Download PDFInfo
- Publication number
- CN100562638C CN100562638C CNB2008100306134A CN200810030613A CN100562638C CN 100562638 C CN100562638 C CN 100562638C CN B2008100306134 A CNB2008100306134 A CN B2008100306134A CN 200810030613 A CN200810030613 A CN 200810030613A CN 100562638 C CN100562638 C CN 100562638C
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- CN
- China
- Prior art keywords
- lock core
- lock
- lock body
- slingshot
- door
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The present invention relates to a kind of mechanical antitheft lock, comprise lock body, lock core, pellet shot from a slingshot, keyhole, dead bolt and door knob hand lever, feature is that slidably lock core is set in the lock body, keyhole is opened on lock body, the door knob hand lever is the front and back two-stage structure of band poke rod, the front and back section is connected as a single entity (lock core slides and is in transmission connection by the driving lever action and overlaps interlock, and back door barre and dead bolt link) by the cover that is in transmission connection, this theftproof lock fundamentally changes existing door lock core structure; Its keyhole and lock body are one, and key only inserts and can not rotate, and twisting door knob hand lever gets final product the dead bolt of bolt door and opens or cut out.The present invention adopts ball to pin lock core, does not have external force to act directly on the lock core, is difficult to correct identification pellet shot from a slingshot position, the energy problem that effectively technical solution is unblanked and violence is unblanked, and theftproof performance is good.
Description
Technical field
The present invention relates to a kind of mechanical antitheft lock.
Background technology
In the prior art, lock is a kind of placing on the able to turn on or off implements, the fastener of opening with key or private mark, in people's life, can see the lock of various ways, wherein door lock is that people contact and use maximum a kind of locks, and existing fixed formula door lock is contained in the lock core in the lock body normally by a rotatable lock body, be contained in the pellet shot from a slingshot group on lock body and the lock core, constituted by the dead bolt of lock core effect.Insert in the keyhole on the lock core with key when unblanking and rotate key unlocking.The combination of pellet shot from a slingshot. the continuous conversion of the shape of key, still can not technical solution unblank and problem that violence is unblanked; So anti-theft effect is relatively poor.
Summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, provide a kind of simple in structure, the mechanical antitheft lock that theftproof performance is good.
Technical scheme of the present invention is the structure that has fundamentally changed existing door lock core.The energy problem that effectively technical solution is unblanked and violence is unblanked.One, be can not rotational structure on lock body with keyhole design; Two, the motion of lock core be can't help key and is driven, and extension spring is arranged on the lock core, except the pellet shot from a slingshot locking is arranged, can lock core be locked along the ball that certain slope scrolls up in addition.Three, the cover interlock that is in transmission connection on lock core and the door knob hand lever.Four, the door knob hand lever is divided into forward and backward two sections, and middle overlapping by being in transmission connection is connected, and cover and lock core interlock are in transmission connection.Lock core is by after the extension spring pulling, is in transmission connection that cover is corresponding to be coupled together the door knob hand lever for forward and backward two sections, toward the rightabout bar that turns the handle, can unblank again.Specifically scheme is as follows: mechanical antitheft lock comprises lock body, the door knob hand lever, dead bolt, spring, lock core, pellet shot from a slingshot and keyhole, it is characterized in that: be provided with the chute that is used to install lock core in the lock body, the lock body top is provided with the door knob hand lever, its door knob hand lever is front handlebar bar and back handlebar stem two-stage structure, overlap before the door knob hand lever by being in transmission connection, the back connects as one for two sections, the lock body middle part is provided with the L shaped ball grooves with gradient, be provided with the ball that is used to lock lock core in its groove, the lock body below is provided with horizontal keyhole and at least three vertical lock spring grooves, and its vertical lock spring groove is communicated with horizontal keyhole; L shaped ball grooves in easy flights in 3 °
The front handlebar bar is provided with the driving lever that is used to stir ball, and promptly the driving lever lower end places in the ball grooves, the dead bolt interlock of back handlebar stem and bolt door;
Lock core is the lock core of sliding structure, the lock core lower end is provided with the lock core marble groove that is complementary with lock body, lock core is arranged in the chute of lock body, its lock spring groove and lock core marble groove constitute the whole bullet groove of concentric, spring and pellet shot from a slingshot are set in whole bullet groove, have two pellets shot from a slingshot in the bullet groove at least, the height of pellet shot from a slingshot is a pellet shot from a slingshot of preparing differing heights according to Key structure, there is the flat step of taper lock core left end top, touch mutually with upper surface, lock body chute place the right side of the flat step of its taper, and the flat step of taper is that thickness differs is that front end is thick, and the rear end is thin, with the step back end design is thin-slab structure, is convenient to cover ball grooves.Lock core type conical bench front end face and upper surface, lock body chute place form the extension of ball grooves, the lock core right-hand member has a circular cone that links with the cover that is in transmission connection, be connected by being horizontally set on horizontal extension spring between lock core and the lock body, under the effect of driving lever, its lock core is slided in lock body, and the circular cone on its lock core makes its cover interlock that is in transmission connection.
Have two pellets shot from a slingshot in each bullet groove at least, the height of pellet shot from a slingshot has nothing in common with each other.Different keys is joined in different pellet shot from a slingshot combinations.After inserting correct key, the pellet shot from a slingshot in the lock core becomes the plane with lock core body.After driving lever was stirred the ball that pins lock core, lock core was promptly pulled back by extension spring.It is lock core slide backward and promote to be in transmission connection cover action.
Two-stage structure before and after the door knob hand lever is divided into connects as one door knob hand lever front and back for two sections by the cover that is in transmission connection, the dead bolt interlock of the back segment of door knob hand lever and bolt door.After the connection, twisting door knob hand lever leading portion can be opened the dead bolt of bolt door or close.
Operating principle of the present invention: key is inserted in the keyhole, do not rotate, just twist door knob hand lever drive driving lever and stir ball (effect of ball is the locking lock core, and extension spring lock core can not be spurred), ball scrolls up along certain gradient in ball grooves.Loosening door handle, driving lever is return original position naturally fast, and ball has certain hysteresis and before not returning original position, the lock core that key will slidably and be correctly discerned in extension spring pulls back, its lock core circular cone promotes to be in transmission connection to overlap and moves, connect the back door barre, twist door handle again, door can be opened.If key is not right, after driving lever rebounded, extension spring can not be in slidably lock core pulling of moment, and ball can be return original position at once, pins lock core, and door also can't be opened.That is to say, the first, key only inserts and does not twist.The second, the twisting door handle drives driving lever, and making does not originally have stressed lock core moment stressed, if pellet shot from a slingshot identification is correct, moment, stressed lock core slided, thereby closed the cover that is in transmission connection, and twisting door handle once more can unblank.
The feature of this mechanical antitheft lock can effectively prevent technical opening and violence unlatching:
One: technical opening can be prevented in following aspect: (1), because key only inserts and can not twist, want to go into to stir pellet shot from a slingshot with the foreign matter skewer. discerning the pellet shot from a slingshot position has increased difficulty.(2), have ball to pin lock core, do not have external force to act on the lock core, be difficult to the position of correct identification pellet shot from a slingshot.(3) even discerned the position of pellet shot from a slingshot, from stirring ball. the driving lever that rebounds rapidly, return original position to ball, just in a flash, must make whole group pellet shot from a slingshot be in the tram before.Otherwise ball pins lock core after returning original position again.
Two: anti-violence is opened: do not need twisting because key only inserts, keyhole and lock body are connected as a single entity, and keyhole is less, both can be convenient for carrying key and also can fundamentally prevent violence unlatching lock core.
Description of drawings
Fig. 1 is the structural representation of this mechanical anti-theft lock;
Fig. 2 is an A-A sectional structure schematic diagram of the present invention;
Fig. 3 is the lock body structure schematic diagram;
Fig. 4 is the lock core structure schematic diagram;
Among the figure: behind 1-lock body, 2-front handlebar bar, the 3-handlebar stem, 4-be in transmission connection cover, 5-ball, 5 '-ball grooves, 6-extension spring, 7-driving lever, 8-spring, 9-lock core, 10-pellet shot from a slingshot, 10 '-the vertical bullet groove of lock body, 10 " lock core marble groove, 11-keyhole, 12-end face, 91-type conical bench, 92-circular cone, 93-type conical bench end face.
The specific embodiment
Referring to above-mentioned accompanying drawing, mechanical antitheft lock comprises lock body 1, door knob hand lever, dead bolt, spring 8, lock core 9, pellet shot from a slingshot 10 and keyhole 11, it is characterized in that: be provided with the chute that is used to install lock core 9 in the lock body 1, lock body 1 top is provided with the door knob hand lever, its door knob hand lever is front handlebar bar 2 and back handlebar stem 3 two-stage structures, by the cover 4 that is in transmission connection the door knob hand lever connected as one for forward and backward two sections, the cover 4 that is in transmission connection adopts the adapter sleeve of prior aries to get final product.Lock body 1 middle part be provided with ball grooves 5 with gradient ', be provided with the ball 5 that is used to lock lock core 9 in its groove, lock body 1 below is provided with horizontal keyhole 11 and at least three vertical lock spring grooves, its vertical lock spring groove is communicated with horizontal keyhole 11; Ball grooves in easy flights in 3 °.
Lock core 9 is the lock core of sliding structure, lock core 9 lower ends are provided with the lock core marble groove 10 that is complementary with lock body 1 "; lock core 9 is arranged in the chute of lock body 1; lock spring groove 10 ' " constitute the whole bullet groove of concentric with lock core marble groove 10, spring 8 and pellet shot from a slingshot 10 are set in whole bullet groove, having two pellets shot from a slingshot in each whole bullet groove at least, is two pellets shot from a slingshot in the present embodiment; The height of pellet shot from a slingshot 10 is pellets shot from a slingshot of preparing differing heights according to Key structure, there is the flat step 91 of taper lock core 9 left ends top, touch mutually with upper surface, lock body chute place the right side of the flat step of taper, the flat step of taper is that thickness differs is that front end is thick, the rear end is thin, with the step back end design is thin-slab structure, is convenient to cover ball grooves (be after the lock core extension spring pulling, ball promptly conceals below this type conical bench rear end).The right-hand member 93 of the flat step 91 of taper touches mutually with upper surface, lock body chute place 12, lock core 9 type conical bench, 91 taper place front end faces and upper surface, lock body 1 chute place 12 form the extension of ball grooves, lock core 9 right-hand members have a circular cone 92 that links with the cover 4 that is in transmission connection, be connected by horizontally disposed horizontal extension spring 6 between lock core 9 and the lock body 1, under the effect of driving lever 7, lock core 9 is slided in lock body 1, and the circular cone 92 on the lock core 9 makes cover 4 interlocks that are in transmission connection.
Have two pellets shot from a slingshot in each bullet groove at least, the height of pellet shot from a slingshot has nothing in common with each other.Different keys is joined in different pellet shot from a slingshot combinations.After inserting correct key, the pellet shot from a slingshot in the bullet groove retreats to lock core marble groove 10 " in, promptly the pellet shot from a slingshot in the lock core becomes plane lock core interior pellet shot from a slingshot and lock core marble groove 10 " port becomes the plane, so lock core could slide with lock core body.After driving lever was stirred the ball that pins lock core, lock core was promptly pulled back by extension spring; It is lock core slide backward and promote to be in transmission connection cover action.
Two-stage structure before and after the door knob hand lever is divided into connects as one door knob hand lever front and back for two sections by the cover that is in transmission connection, the dead bolt interlock of the back segment of door knob hand lever and bolt door.After the connection, twisting door knob hand lever leading portion can be opened the dead bolt of bolt door or close.
Claims (1)
1, a kind of mechanical antitheft lock, it comprises lock body (1), door knob hand lever, dead bolt, spring (8), lock core (9), pellet shot from a slingshot (10) and keyhole (11), it is characterized in that:
A, described lock body are provided with the chute that is used to install lock core (9) in (1), lock body (1) top is provided with the door knob hand lever, the door knob hand lever is front handlebar bar (2) and back handlebar stem (3) two-stage structure, cover (4) connects as one the door knob hand lever for forward and backward two sections by being in transmission connection, lock body (1) is provided with the L shaped ball grooves (5 ') with gradient, be provided with the ball (5) that is used to lock lock core (9) in the groove, lock body (1) below is provided with horizontal keyhole (11) and at least three vertical bullet groove (10 '), and vertical bullet groove is communicated with horizontal keyhole (11);
B, described front handlebar bar (2) are provided with the driving lever (7) that is used to stir ball (5), and promptly driving lever (7) lower end places in the ball grooves, and back handlebar stem (3) links with the dead bolt of bolt door;
C, described lock core (9) is the lock core of sliding structure, lock core (9) lower end is provided with lock core marble groove (10 "); lock core (9) is arranged in the chute of lock body (1); (10 ") constitute the whole bullet groove of concentric to described vertical bullet groove (10 ') with the lock core marble groove that are complementary with lock body (1), in the whole bullet groove spring (8) and pellet shot from a slingshot (10) are set, have two pellets shot from a slingshot in each whole bullet groove at least, the height of pellet shot from a slingshot (10) is a pellet shot from a slingshot of preparing differing heights according to Key structure, there is the flat step of taper (91) lock core (9) left end top, the flat step of its taper is that thickness differs is that front end is thick, the rear end is thin, with the step back end design for ease of covering the thin-slab structure of ball grooves, touch mutually with upper surface, lock body chute place (12) right side (93) of the flat step of taper (91), the flat step of lock core (9) taper (91) taper place front end face and lock body (1) chute place upper surface (12) form the extension of ball grooves, lock core (9) right-hand member has a circular cone (92) that links with the cover (4) that is in transmission connection, be connected by horizontally disposed horizontal extension spring (6) between lock core (9) and the lock body (1), under the effect of driving lever (7), lock core (9) is slided in lock body (1) chute, and the circular cone (92) on its lock core (9) makes cover (4) interlock that is in transmission connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100306134A CN100562638C (en) | 2008-01-31 | 2008-01-31 | Mechanical antitheft lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100306134A CN100562638C (en) | 2008-01-31 | 2008-01-31 | Mechanical antitheft lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101230765A CN101230765A (en) | 2008-07-30 |
| CN100562638C true CN100562638C (en) | 2009-11-25 |
Family
ID=39897545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2008100306134A Expired - Fee Related CN100562638C (en) | 2008-01-31 | 2008-01-31 | Mechanical antitheft lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100562638C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107288416A (en) * | 2017-07-17 | 2017-10-24 | 段兴中 | A kind of lock core structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2036984U (en) * | 1987-08-10 | 1989-05-03 | 刘觉滨 | Jacking type spring built-in lock |
| DE19822030A1 (en) * | 1998-05-15 | 1999-11-18 | Wilke Heinrich Hewi Gmbh | Two part hollow shaft for door handles |
| CN2397224Y (en) * | 1999-11-17 | 2000-09-20 | 黄伟 | Push-and-pull three safety lock |
| CN2729246Y (en) * | 2004-10-03 | 2005-09-28 | 秦才东 | Lock structure with core unrotation |
| DE202006012565U1 (en) * | 2006-08-16 | 2006-10-19 | Steinbach & Vollmann Gmbh & Co. Kg | Bolt lock for sliding doors of a cold store comprises a locking bolt having two parts which slide relative to each other to form an intermediate space |
-
2008
- 2008-01-31 CN CNB2008100306134A patent/CN100562638C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2036984U (en) * | 1987-08-10 | 1989-05-03 | 刘觉滨 | Jacking type spring built-in lock |
| DE19822030A1 (en) * | 1998-05-15 | 1999-11-18 | Wilke Heinrich Hewi Gmbh | Two part hollow shaft for door handles |
| CN2397224Y (en) * | 1999-11-17 | 2000-09-20 | 黄伟 | Push-and-pull three safety lock |
| CN2729246Y (en) * | 2004-10-03 | 2005-09-28 | 秦才东 | Lock structure with core unrotation |
| DE202006012565U1 (en) * | 2006-08-16 | 2006-10-19 | Steinbach & Vollmann Gmbh & Co. Kg | Bolt lock for sliding doors of a cold store comprises a locking bolt having two parts which slide relative to each other to form an intermediate space |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101230765A (en) | 2008-07-30 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091125 Termination date: 20110131 |