CN202578162U - Lock head for anti-theft lock - Google Patents
Lock head for anti-theft lock Download PDFInfo
- Publication number
- CN202578162U CN202578162U CN 201220210384 CN201220210384U CN202578162U CN 202578162 U CN202578162 U CN 202578162U CN 201220210384 CN201220210384 CN 201220210384 CN 201220210384 U CN201220210384 U CN 201220210384U CN 202578162 U CN202578162 U CN 202578162U
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- China
- Prior art keywords
- lock core
- slingshot
- lock
- sliding bolt
- pellet shot
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Abstract
The utility model relates to a lock head for an anti-theft lock, which comprises a lock head body and a lock cylinder, wherein the lock cylinder is rotatably inserted into a lock cylinder hole in the lock head body; a plurality of ball holes are formed in the lock cylinder; balls are arranged in the ball holes; a baffling element for limiting the relative rotation of the lock head body and the lock cylinder is arranged between the lock head body and the lock cylinder; the balls are fixed relative to the circumferences of the ball holes; grooves are arranged on the outer peripheries of the balls; the positions of the grooves on the balls are corresponding to the level differences of the balls; slide slots communicated with the ball holes are arranged in the lock cylinder along the axial direction; a slide plug is arranged in the slide slots; a plurality of pins extending into the gaps of the ball holes are arranged on the slide plug; the pins are inserted into the grooves of the balls; an insert bar is arranged between the slide plug and the baffling element; and when the insert bar moves along the radial direction of the lock cylinder, the slide plug moves along the axial direction of the lock cylinder. The lock head for the anti-theft lock is high in anti-twisting strength and is capable of effectively increasing the anti-theft property of the anti-theft lock.
Description
Technical field
The utility model relates to a kind of ball lock head that is applied on the safe-guard door lock.
Background technology
The structure of existing theftproof lock tapered end mainly comprises tapered end and lock core, and lock core is arranged in the lock core hole in the tapered end rotationally, is provided with some pellets shot from a slingshot hole in the lock core, is provided with a pellet shot from a slingshot and spring in each pellet shot from a slingshot hole, has differential between these pellets shot from a slingshot.For increasing the anti-intensity of turning round of lock core; It is axially arranged with V-shaped groove in the inwall upper edge of lock core hole; Be provided with inserted sheet and spring in the lock core; Spring action is used to make the radial outside protrusion of inserted sheet towards lock core on inserted sheet, the inserted sheet that protrudes into the lock core outside is through being plugged in the described V-shaped groove, and effectively increases the torsional strength between lock core and the tapered end.On the outer peripheral face of pellet shot from a slingshot, be provided with the groove of rectangle, the position of groove on pellet shot from a slingshot separately is differential corresponding with pellet shot from a slingshot, after lock core inserts key; Under the promotion of key; Groove on all pellets shot from a slingshot all is on the same position, radially inserts along lock core for inserted sheet, when key; The inserted sheet outside receive V-shaped groove shearing force and fully in lock core with not ing, thereby remove inserted sheet to blocking in relative rotation between lock core and the tapered end.The torsional strength of this tapered end is low, when utilizing instrument to pull lock core by force, is prone to make the bending distortion of inserted sheet medial and lateral, and makes inserted sheet lose the clamping stagnation effect to lock core, and this can have influence on the anti-theft effect of safe-guard door lock.
The utility model content
For overcoming above-mentioned defective, the purpose of the utility model is: a kind of theftproof lock tapered end is provided, and the torsional strength of this tapered end is high, can effectively improve the anti-theft effect of safe-guard door lock.
The technical measures of taking for achieving the above object: a kind of theftproof lock tapered end, comprise tapered end and lock core, lock core is plugged in the lock core hole in the tapered end rotationally; In lock core, be provided with some pellets shot from a slingshot hole; Pellet shot from a slingshot is provided with pellet shot from a slingshot in the hole, between tapered end and lock core, is provided with to be used to limit both block bodies in relative rotation, it is characterized in that: said pellet shot from a slingshot is circumferentially fixing with respect to the pellet shot from a slingshot hole; On the outer peripheral face of pellet shot from a slingshot, be provided with groove, the position of groove on pellet shot from a slingshot is differential corresponding with pellet shot from a slingshot; In lock core, be axially arranged with the chute that communicates with the pellet shot from a slingshot hole along it, be provided with sliding bolt in the chute, sliding bolt is provided with some plugs that extend in the pellet shot from a slingshot span, and plug can be plugged in the pellet shot from a slingshot groove; Between sliding bolt and block body, be provided with cutting, transplant a cutting and when lock core radially inwardly moves, can make of the axially-movable of sliding bolt along lock core.Behind the interior insertion of tapered end key; Groove on the pellet shot from a slingshot is on the sustained height, pull key after, the trend that relatively rotates of lock core and tapered end applies shearing force to block body; Block body radially applies active force to sliding bolt; Sliding bolt is along the lock core axially-movable, and the plug on the sliding bolt radially is inserted in the groove on the pellet shot from a slingshot from pellet shot from a slingshot, thereby in lock core, does not let open position fully for block body.When transfering to key; Can make sliding bolt reverse slide through the active force that pellet shot from a slingshot applies plug; Perhaps in being arranged on lock core, act on pushing away of sliding bolt end and make sliding bolt reverse slide under the spring effect; The reverse slide of sliding bolt can change the relative position of block body between lock core and tapered end, thus realize block body to lock core the rotation in tapered end block.
Said groove is V-shaped, and said plug is dihedral towards the part of groove.Groove through " V " shape is to the effect of angled portion on the plug; Can be when transfering to key; The pellet shot from a slingshot of axially-movable applies interaction force to plug, and impels sliding bolt reverse slide, and block body is connected between lock core and the tapered end; This simple in structure, can effectively reduce the setting of corresponding component.
A side relative with said plug on the said sliding bolt is provided with some back of the body teeth, and back of the body tooth is along same direction setting; On the surface of sliding bolt, be provided with some teeth in cutting, the face tooth is in the opposite direction with being provided with of back of the body tooth; The face tooth is meshed with back of the body tooth; Said sliding bolt in lock core relatively radial position fix said cutting fixed-site to axial in lock core.Through the face tooth of reverse setting and being meshing with each other of back of the body tooth, and realization receives the change of force direction, and is simple in structure, is convenient to achieve the goal.
Said tooth is right-angled trapezium with the shape of carrying on the back tooth.The face tooth is described shape with back of the body tooth, is convenient to the transmission of between realizable force, and is convenient to processing.
Be provided with the locating piece of shaped as frame in the said chute, the locating piece two ends are provided with locating slot, and said locating slot snaps onto the both ends of sliding bolt respectively, and the cavity that said block body sees through locating piece contacts with cutting.The locating piece of shaped as frame is convenient to realize contacting of block body and cutting, is provided with locating piece and can effectively improves the stability of sliding bolt in lock core.
The beneficial effect of the utility model is: block body can be arranged to blocks, thereby can effectively improve the torsional strength between lock core and the tapered end.Matching relationship through structure between cutting and the sliding bolt realizes that block body receives the change of force direction; Simple in structure; Can decompose the suffered shearing force of block body, after block body received big shearing force, sliding bolt can not receive the bigger power that makes progress along lock core shaft; Thereby the plug on the sliding bolt is fractureed, improved the torsional strength of theftproof lock tapered end effectively.When utilization was stirred instrument this theftproof lock lock is carried out technical opening, it was difficult also to seem, the anti-technical unlocking of this theftproof lock tapered end effective.
Description of drawings
Fig. 1 is the longitudinal sectional view of this theftproof lock tapered end.
Fig. 2 is the front view of sliding bolt in this theftproof lock tapered end.
Fig. 3 is the vertical view of sliding bolt in this theftproof lock tapered end.
Fig. 4 is the structural representation of transplanting a cutting in this theftproof lock tapered end.
Fig. 5 is the structural representation of pellet shot from a slingshot in this theftproof lock tapered end.
Fig. 6 is the front view of locating piece in this theftproof lock tapered end.
Fig. 7 is the right view of locating piece in this theftproof lock tapered end.
The specific embodiment
The structure of this theftproof lock tapered end comprises tapered end 1 and lock core 9, in tapered end 1, is provided with lock core hole, and lock core 9 is arranged in the lock core hole rotationally.In lock core 9, be provided with some pellets shot from a slingshot hole, be provided with pellet shot from a slingshot 6 in the pellet shot from a slingshot hole.The outer peripheral face upper edge of pellet shot from a slingshot 6 is provided with groove 14 perpendicular to the axial direction of pellet shot from a slingshot 6; The position of groove 14 on pellet shot from a slingshot 6 is differential corresponding with pellet shot from a slingshot 6; Be that the groove 14 on all pellets shot from a slingshot 6 all was on the sustained height position after key was inserted in the keyhole 10 in the lock core 9.Pellet shot from a slingshot 6 is circumferentially fixing with respect to the pellet shot from a slingshot hole, and this can realize through the means that convex body and guide groove match, and promptly on the outer peripheral face of pellet shot from a slingshot 6, is provided with outstanding convex body 13, and it is axially arranged with guide groove in the inwall upper edge in pellet shot from a slingshot hole, and convex body 13 is plugged in the guide groove with gap.Be provided with between lock core 9 and the lock core hole and be used to block both relative to the block body 2 that circumferentially rotates, block body 2 is bulk.Block body 2 can be along radially inwardly the moving of lock core 9, and block body 2 can be fully in lock core 9, thereby reaches the purpose that releasing stops lock core 9.
At the chute that is axially arranged with of lock core 9, chute communicates with said pellet shot from a slingshot hole.In chute, be provided with the sliding bolt 5 and cutting 4 that stack together, cutting 4 is in the outside of sliding bolt 5, and block body 2 is resisted against on the external surface of cutting 4.Sliding bolt 5 is provided with some plugs that are connected as a single entity with it 7, and plug 7 has stretched in the interval between the pellet shot from a slingshot hole, plug 7 corresponding pellets shot from a slingshot 6.Groove 14 on the pellet shot from a slingshot 6 is V-shaped; Part towards pellet shot from a slingshot 6 on the plug 7 is dihedral, and when the groove 14 on pellet shot from a slingshot 6 was in the runner position place, sliding bolt 5 was after lock core 9 axially-movables; Can be plugged in the groove 14, the groove 14 on the pellet shot from a slingshot 6 provides spatial margin for the motion of sliding bolt 5.Plug 7 on the sliding bolt 5 is followed sliding bolt 5 when the pellet shot from a slingshot corresponding with it 6 directions moves, can 4 along lock core 9 radially inner moving spatial margin be provided for transplanting a cutting, thereby makes block body 2 motion in the lock core 9, reaches the purpose of releasing to the retardance of lock core 9 rotations.
Be provided with the structure that cooperatively interact between 4 at sliding bolt 5 with transplanting a cutting, so that sliding bolt 54 adapts along moving of directly making progress of lock core 9 along lock core 9 moving and transplanting a cutting on axially.Specifically be; Be provided with some being connected as a single entity and carrying on the back teeth 11 on the sliding bolt 5 with on the surface of said plug 7 relative sides with it; These back of the body teeth 11 can be the outsides that the sliding bolt 5 of protrusion should the surface, or are recessed into this inner side surface, are preferably the inboard that these back of the body teeth 11 are recessed into this surface.On the surface of sliding bolt 5 one sides, be provided with some face teeth 12 that are connected as a single entity with it in the cutting 4, these face teeth 12 protrude into cutting 4 the above surperficial outside.Face tooth 12 is right-angled trapezium with the shape of back of the body tooth 11, and all face teeth 12 are all along a direction setting, and back of the body tooth 11 is provided with along another direction, and face tooth 12 meshes together with back of the body tooth 11.Because at sliding bolt 5 with transplant a cutting and be provided with described tooth 12 and back of the body tooth 11 between 4, when sliding bolt 5 drives plugs 7 positive movements, promptly when moving, can 4 radially inwardly move along lock core 9 space is provided for transplanting a cutting with plug 7 corresponding pellet shot from a slingshot 6 directions; During sliding bolt 5 counter motions, can promote to transplant a cutting 4 along lock core 9 radially to the movement outside of lock core 9.
The positive movement of sliding bolt 5 mainly is 4 to provide along the component of lock core 9 on axially what it applied by transplanting a cutting; The counter motion of sliding bolt 5 can be to be extend in the process of the keyhole 10 in the lock core 9 by pellet shot from a slingshot 6, or extracts and provide in the process of key, and the groove 14 of " V " shape makes sliding bolt 5 be able to reverse slide through the effect to angled portion on the said plug 7.
The counter motion of sliding bolt 5 also can be to be provided by the spring 8 that pushes away that is arranged in the lock core 9, pushes away the respective end that spring 8 acts on sliding bolt 5.When said block body 2 is fully not in lock core 9; Because the barrier effect of lock core hole inwall pushes away spring 8 and is applied to the power deficiency on the sliding bolt 5 so that sliding bolt 5 moves, and treats that lock core 9 stops operating; And when making block body 2 be in the clamping stagnation position; Push away spring 8 and make sliding bolt 5 counter motions, and, make block body 2 clamping stagnations between lock core 9 and tapered end 1 through transplanting a cutting 4 block body 2 extrapolations.
Realize sliding bolt 5 and transplant a cutting 4 in the lock core 9 axial and upwards conversions of motion of footpath; Sliding bolt 5 has certain requirement with the relative position of cutting 4 in lock core 9; Desirable state is: sliding bolt 5 will be fixed at the relative position that lock core 9 footpaths make progress, and transplants a cutting 4 will fix at the relative position of lock core 9 on axially.
Reach sliding bolt 5 and transplant a cutting 4 the above-mentioned requirements of relative position lock core 9 in, described sliding bolt 5 is arranged on the bottom surface of said chute, be provided with in the outside of sliding bolt 5 be used to limit transplant a cutting 4 on lock core 9 is axial the locating piece 3 of position.This locating piece 3 is shaped as frame, and the locating piece 3 of shaped as frame is encircled the periphery in cutting 4 with gap.Be respectively equipped with locating slot 15, two locating slots 15 at the two ends of locating piece 3 and snap onto the both ends of sliding bolt 5 respectively, the cavity roof pressure that said block body 2 sees through locating piece 3 is being transplanted a cutting on 4.
After inserting keys in the keyhole 10 in the lock core 9, groove 14 motions on all pellets shot from a slingshot 6 put in place.After pulling key; Block body 2 receives bigger shearing force; The branch force urges of this shearing force is transplanted a cutting and 4 is radially inwardly moved along lock core 9; 4 radial loads that receive of transplanting a cutting are delivered on the sliding bolt 5 with face tooth 12 through the back of the body tooth 11 that is combined together, and can produce on the sliding bolt 5 along the power of lock core 9 on axially, and this is made every effort to overcome clothes and pushes away the elastic force of spring 8 and promote sliding bolt 5 actions.Plug 7 on the sliding bolt 5 is plugged in the groove 14 on the pellet shot from a slingshot 6, thereby can free rotational lock core 9.When extracting key, and extract after the key, the axially-movable meeting of pellet shot from a slingshot 6 in the pellet shot from a slingshot hole worked to the motion of sliding bolt 5, and the surface partly of pegging graft on groove 14 sides on the pellet shot from a slingshot 6 and the plug 7 acts on mutually, and makes sliding bolt 5 counteragents.Respective end sliding bolt 5 is provided with under the situation that pushes away spring 8, and the acting in conjunction meeting that pushes away spring 8 and pellet shot from a slingshot 6 makes sliding bolt 5 do stable counter motion, and heterodromous sliding bolt 5 can make cutting 4 promote block bodies 2 motions through back of the body tooth 11 and face tooth 12.Can in lock core 9, extract under the state of key, block body 2 can be transplanted a cutting 4 promotions and protruded into outside the outer peripheral face of lock core 9, and then realizes the clamping stagnation between 2 pairs of lock cores 9 of block body and the tapered end 1.
Claims (5)
1. a theftproof lock tapered end comprises tapered end and lock core, and lock core is plugged in the lock core hole in the tapered end rotationally; In lock core, be provided with some pellets shot from a slingshot hole; Pellet shot from a slingshot is provided with pellet shot from a slingshot in the hole, between tapered end and lock core, is provided with to be used to limit both block bodies in relative rotation, it is characterized in that: said pellet shot from a slingshot is circumferentially fixing with respect to the pellet shot from a slingshot hole; On the outer peripheral face of pellet shot from a slingshot, be provided with groove, the position of groove on pellet shot from a slingshot is differential corresponding with pellet shot from a slingshot; In lock core, be axially arranged with the chute that communicates with the pellet shot from a slingshot hole along it, be provided with sliding bolt in the chute, sliding bolt is provided with some plugs that extend in the pellet shot from a slingshot span, and plug can be plugged in the pellet shot from a slingshot groove; Between sliding bolt and block body, be provided with cutting, transplant a cutting and when lock core radially inwardly moves, can make of the axially-movable of sliding bolt along lock core.
2. by the described theftproof lock tapered end of claim 1, it is characterized in that: said groove is V-shaped, and said plug is dihedral towards the part of groove.
3. by the described theftproof lock tapered end of claim 1, it is characterized in that: a side relative with said plug on the said sliding bolt is provided with some back of the body teeth, and back of the body tooth is along same direction setting; On the surface of sliding bolt, be provided with some teeth in cutting, the face tooth is in the opposite direction with being provided with of back of the body tooth; The face tooth is meshed with back of the body tooth; Said sliding bolt in lock core relatively radial position fix said cutting fixed-site to axial in lock core.
4. by the described theftproof lock tapered end of claim 3, it is characterized in that: said tooth is right-angled trapezium with the shape of carrying on the back tooth.
5. by claim 1,2,3 or 4 described theftproof lock tapered ends; It is characterized in that: the locating piece that is provided with shaped as frame in the said chute; The locating piece two ends are provided with locating slot, and said locating slot snaps onto the both ends of sliding bolt respectively, and the cavity that said block body sees through locating piece contacts with cutting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220210384 CN202578162U (en) | 2012-05-11 | 2012-05-11 | Lock head for anti-theft lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220210384 CN202578162U (en) | 2012-05-11 | 2012-05-11 | Lock head for anti-theft lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202578162U true CN202578162U (en) | 2012-12-05 |
Family
ID=47247586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220210384 Expired - Fee Related CN202578162U (en) | 2012-05-11 | 2012-05-11 | Lock head for anti-theft lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202578162U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213768A (en) * | 2013-05-31 | 2014-12-17 | 孙皆宽 | Master-slave-bolt coupling type anti-theft lock cylinder and machining process thereof |
| CN104563619A (en) * | 2015-01-23 | 2015-04-29 | 孟德玉 | Isolated anti-theft lock structure |
-
2012
- 2012-05-11 CN CN 201220210384 patent/CN202578162U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213768A (en) * | 2013-05-31 | 2014-12-17 | 孙皆宽 | Master-slave-bolt coupling type anti-theft lock cylinder and machining process thereof |
| CN104213768B (en) * | 2013-05-31 | 2016-12-07 | 孙皆宽 | Chief and vice bolt coupling formula anti-theft lock and processing technique thereof |
| CN104563619A (en) * | 2015-01-23 | 2015-04-29 | 孟德玉 | Isolated anti-theft lock structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20210511 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |