CN202338145U - Lock cylinder of antitheft door lock - Google Patents
Lock cylinder of antitheft door lock Download PDFInfo
- Publication number
- CN202338145U CN202338145U CN2011204398630U CN201120439863U CN202338145U CN 202338145 U CN202338145 U CN 202338145U CN 2011204398630 U CN2011204398630 U CN 2011204398630U CN 201120439863 U CN201120439863 U CN 201120439863U CN 202338145 U CN202338145 U CN 202338145U
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- CN
- China
- Prior art keywords
- lock body
- locating shaft
- rotation
- cage knob
- axis
- Prior art date
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a lock cylinder of an antitheft door lock, which is high in safety, simple and compact in structure and convenient to use. The lock cylinder comprises a lock body (1) and a locking button (4) which is arranged in an inner cavity of the lock body (1) and is matched with an unlocking key; a plurality of grooves (20) are also distributed on the periphery of the locking button (4); a plurality of steel balls (25) which corresponds to the grooves (20) are arranged in gaps formed by the grooves (20) and a plurality of communicated ring-shaped grooves on the inner wall of the lock body (1); the positions of the steel balls (25) in the gaps comprise unlocking positions and at least one locking position; when at least one steel ball (25) is positioned at the locking position, the steel ball (25) blocks the relative rotation of the locking button (4) and the lock body (1); and when all the steel balls (25) are positioned at the unlocking position, the locking button (4) and the lock body (1) can rotate relatively so as to drive an unlocking mechanism of the lock cylinder.
Description
Technical field
The utility model relates to a kind of antitheft door lock core.
Background technology
The lock core structure that lock in the antitheft world commonly used in the safe-guard door lock at present; Mainly comprise parts such as lock body, cage knob, plate, axis of rotation and thumb wheel; The principle of mainly unblanking is: key turns cage knob under lockset position of coupler; Cage knob rotates through plate driven rotary axle, and the thumb wheel that is connected with axis of rotation and then rotates the tongue piece of unblanking that drives antitheft world lock; At the bottom of but mainly there is level of security in the lock core structure of existing antitheft world lock, defective such as complex structure is loaded down with trivial details, uses is inconvenient, the use feel is not good.
The utility model content
The utility model technical problem to be solved is the deficiency that overcomes prior art, and a kind of antitheft door lock core safe, simple and compact for structure, easy to use is provided.
The technical scheme that the utility model adopted is: the cage knob that the lock core that the utility model relates to comprises lock body and is arranged on said lock body inner chamber and matches with the key of unblanking; Also be distributed with a plurality of grooves on the said cage knob circumference; In the space that the endless groove that this groove is communicating with many of lock body inwalls forms, be provided with a plurality of steel balls corresponding to said groove; The position of said steel ball in this space comprises unlocked position and at least one locked position of coupler; Have a steel ball at least when locked position of coupler, this steel ball hinders said cage knob and lock body relatively rotates; When all steel balls during at unlocked position, said cage knob and lock body can relatively rotate and drive the unlocking mechanism of lock core.
Specific embodiments as the utility model; Said unlocking mechanism comprises plate, locating shaft, thumb wheel, axis of rotation that is successively set on the lock body inner chamber and the handle that is positioned at lock body one end and is fixedly connected with said axis of rotation; The other end at said axis of rotation offers the blind hole I; Said locating shaft freely insert in this blind hole I and and axis of rotation between be provided with the locating shaft spring, said locating shaft and axis of rotation can not relatively rotate; On the end face of the said locating shaft other end, offer locating slot with single direction opening; Be provided with this locating slot adapts with an end of the contacted plate of this locating shaft end face and cooperate the position, the other end of said plate inserts in the cage knob and with this cage knob and rotates; Said thumb wheel is sheathed on locating shaft or the axis of rotation and rotates to stir the dead bolt of safe-guard door lock thereupon.
More specifically, offer a blind hole II in the locating slot on said locating shaft end face, be provided with a slide block in the said blind hole II, an end of this slide block withstands on the cooperation position of plate, is connected with the compression spring between the other end and the said locating shaft.
More specifically, on the face of cylinder of said axis of rotation, have cannelure, on said lock body, screw in a location screw to this cannelure.
Further; Ad-hoc location on said cage knob circumference offers groove; On the correspondence position of said lock body, have a hole, be provided with location ball and this groove fit in this hole, also be provided with the location ball spring and the holding screw of constraint location ball in this hole.
Further, insert the chip case assembly that an end is provided with and the key of unblanking is complementary of key at said lock body.
The beneficial effect of the utility model is: owing on the end face of the said locating shaft other end, offer the locating slot with single direction; Be provided with this locating slot adapts with an end of the contacted plate of this locating shaft end face and cooperate the position, the other end of said plate inserts in the cage knob and with this cage knob and rotates; And offer a blind hole II in the locating slot on said locating shaft end face; Be provided with a slide block in the said blind hole II; One end of this slide block withstands on the cooperation position of plate, is connected with the compression spring between the other end and the said locating shaft, such structures shape do not inserting under the usual state of key; Under the effect of compression spring and slide block; The active force of the cage knob of axis of rotation and front end separates, and promptly when operating grip opens the door, can not damage lock core because of the inner cage knob critical component of rotational lock core.In addition because the ad-hoc location on said cage knob circumference offers groove; On the correspondence position of said lock body, have a hole; Be provided with location ball and this groove fit in this hole; Also be provided with the location ball spring and the holding screw of constraint location ball in this hole, when unblanking to turn to ad-hoc location, have sense like this, be convenient to people and use than the rival; On said cage knob circumference, also be distributed with a plurality of grooves; Be provided with steel ball in this groove; Said groove includes unlocked position and locked position of coupler in the space that the endless groove that communicates with many of lock body inwalls forms, and steel ball can reach the purpose of switching unlocked position and locked position of coupler by external force rolling in corresponding groove.Said steel ball is when unlocked position, and said cage knob and lock body can relatively rotate; Said steel ball is when locked position of coupler; Said steel ball hinders said cage knob and lock body relatively rotates, and under peacetime state, has a steel ball at least because the action of gravity meeting just in time is positioned at locked position of coupler; Attraction owing to key internal magnetization parts when inserting key makes all steel balls be rolled to lockset position of coupler; Can twist cage knob and drive unlocking mechanism this moment, accomplishes follow-up unlocking action, and therefore on the whole this lock core has very high level of security and reliability.
Description of drawings
Fig. 1 is the overall structure sketch map of the utility model lock core;
Fig. 2 is along the sectional drawing of A-A direction among Fig. 1;
Fig. 3 is the structural representation of the utility model centerboard;
Fig. 4 is the axial section sketch map of locating shaft in the utility model;
Fig. 5 is the end view of locating shaft in the utility model;
Fig. 6 is the sectional drawing of cage knob in the utility model;
Fig. 7 is the external structure sketch map of cage knob in the utility model.
The specific embodiment
As shown in Figure 1; The utility model comprises cage knob 4, plate 8, locating shaft 11, thumb wheel 9, axis of rotation 14 that lock body 1 and inner chamber at said lock body 1 set gradually and the handle 15 that is positioned at lock body 1 one ends and is fixedly connected with said axis of rotation 14; The end that said lock body 1 opposite side inserts key is equipped with protecgulum 3, the chip case assembly 2 that protecgulum 3 outsides also are provided with and the key of unblanking is complementary.The other end at said axis of rotation 14 offers blind hole I 18; Said locating shaft 11 freely insert in this blind hole I 18 and and axis of rotation 14 between be provided with locating shaft spring 13; Said locating shaft 11 can not relatively rotate with axis of rotation 14; Concrete structure is the arris 23 (seeing shown in Figure 5) that locating shaft 11 has two contrapositions; On axis of rotation 14, offer two corresponding breach, utilize the screens of this arris 23 and breach to realize only to relatively rotate slidably state between locating shaft 11 and the axis of rotation 14; Referring to Fig. 4, Fig. 5; On the end face of said locating shaft 11 other ends, offer locating slot 21 with single direction opening; Can find out on scheme and be actually a U-lag of opening fully useless; Be provided with this locating slot 21 adapts with an end of the contacted plate 8 of these locating shaft 11 end faces and cooperate position 22; Referring to Fig. 3, this cooperation position 22 is actually and on an end of plate 8, opens the next and U-lag coupling of a breach, in the other end insertion cage knob 4 of said plate 8 and with these cage knob 4 rotations; Like this when unblanking; Plate 8 revolves along locating shaft 11 end faces in the scope of three-sixth turn and has only a position can accomplish unlocking action; Guaranteed reliability, and when handle 15 rotated to any position with locating shaft 11, key can both drive the position that plate 8 rotates to locating slot 21 through cage knob 4; Completion is unblanked, and the convenience that uses is provided.Offer a blind hole II 19 in the locating slot 21 on said locating shaft 11 end faces; Be provided with a slide block 10 in the said blind hole II 19; One end of this slide block 10 withstands on the cooperation position 22 of plate 8, is connected with compression spring 12 between the other end and the said locating shaft 11, under normal circumstances; Compression spring 12 ejects plate 8 in the locating slot 21 through slide block 10, can't unblank; After inserting key, key heads into locating slot 21 with plate 8 and accomplishes and unblank in rotary course.Said thumb wheel 9 is sheathed on locating shaft 11 or the axis of rotation 14 and rotates to stir the unlocking mechanism of safe-guard door lock thereupon.On the face of cylinder of said axis of rotation 14, have cannelure 16, on said lock body 1, screw in a location screw 17 to this cannelure 16, guaranteed that like this axis of rotation 14 is in axial location and don't hinder its rotation.
Referring to Fig. 1; Feel when unblanking in order to increase; Ad-hoc location on said cage knob 4 circumference offers groove 24, on the correspondence position of said lock body 1, has a hole, is provided with location ball 7 in this hole and cooperates with this groove 24; Also be provided with the location ball spring 6 and holding screw 5 of constraint location ball 7 in this hole; Location ball 7 contacts with the surface of revolution of cage knob 4 under the pressure of this location ball spring 6, and location ball 7 falls into groove 24 when turning to groove 24, has tangible sensation on hand; The ad-hoc location of this design is generally the position or the corresponding position of locking when opening, and promptly when lock can let staff when opening on, tangible sensation is arranged.
Like Fig. 2, Fig. 6, shown in Figure 7; On said cage knob 4 circumference, also be distributed with a plurality of grooves 20; Be provided with steel ball 25 in this groove 20, the endless groove that said groove 20 communicates with many of lock body 1 inwalls forms the space, and the position of steel ball 25 in this space comprises unlocked position and at least one locked position of coupler; In the present embodiment; Groove 20 is provided with four with steel ball 25, and groove 20 can be along axially being set to heeling condition, and steel ball 25 promptly is positioned at an end of groove 20 under action of gravity like this; Be in locked position of coupler or lockset position of coupler (needing to guarantee that at least one is locked position of coupler); And this steel ball 25 can be rolled into the other end or another centre position of groove 20 under external force, generally can adopt magnetic attraction, and all steel balls 25 itself have magnetic or have magnetic property.When all steel balls 25 during at unlocked position, said cage knob 4 can relatively rotate with lock body 1, and promptly steel ball 25 can rotate along a certain endless groove of lock body 1 inwall; When having a steel ball 25 at locked position of coupler at least, this steel ball 25 is failed over against the endless groove of lock body 1 inwall, just can hinder said cage knob 4 this moment and relatively rotate with lock body 1.General lock core installation site is for keeping flat; Have at least a steel ball 25 under action of gravity, to be rolled into an end of groove 20 in this time slot 20, locked position of coupler just, the magnetic when inserting key in the key is attracted to the relevant position with steel ball 25; This relevant position all just in time is in many endless grooves of lock body 1 inwall; The position of just unblanking, at this moment said cage knob 4 can relatively rotate and drive unlocking mechanism with lock body 1, accomplishes follow-up unlocking action.
Claims (6)
1. antitheft door lock core; It is characterized in that: the cage knob (4) that comprises lock body (1) and be arranged on said lock body (1) inner chamber and match with the key of unblanking; Also be distributed with a plurality of grooves (20) on said cage knob (4) circumference; In the space that the endless groove that this groove (20) is communicating with many of lock body (1) inwalls forms, be provided with a plurality of steel balls (25) corresponding to said groove (20); The position of said steel ball (25) in this space comprises unlocked position and at least one locked position of coupler, has a steel ball (25) at least when locked position of coupler, and this steel ball (25) hinders said cage knob (4) and lock body (1) relatively rotates; When all steel balls (25) during at unlocked position, said cage knob (4) and lock body (1) can relatively rotate and drive the unlocking mechanism of lock core.
2. antitheft door lock core according to claim 1; It is characterized in that: said unlocking mechanism comprises plate (8), locating shaft (11), thumb wheel (9), axis of rotation (14) that is successively set on lock body (1) inner chamber and the handle (15) that is positioned at lock body (1) one end and is fixedly connected with said axis of rotation (14); The other end at said axis of rotation (14) offers blind hole I (18); Said locating shaft (11) freely insert in this blind hole I (18) and and axis of rotation (14) between be provided with locating shaft spring (13), said locating shaft (11) can not relatively rotate with axis of rotation (14); On the end face of said locating shaft (11) other end, offer locating slot (21) with single direction opening; Be provided with this locating slot (21) adapts with an end of the contacted plate of this locating shaft (11) end face (8) and cooperate position (22), the other end of said plate (8) inserts in the cage knob (4) and with this cage knob (4) and rotates; Said thumb wheel (9) is sheathed on locating shaft (11) or axis of rotation (14) is gone up and rotated to stir the dead bolt of safe-guard door lock thereupon.
3. antitheft door lock core according to claim 1; It is characterized in that: offer a blind hole II (19) in the locating slot (21) on said locating shaft (11) end face; Be provided with a slide block (10) in the said blind hole II (19); One end of this slide block (10) withstands on the cooperation position (22) of plate (8), is connected with compression spring (12) between the other end and the said locating shaft (11).
4. antitheft door lock core according to claim 1 is characterized in that: on the face of cylinder of said axis of rotation (14), have cannelure (16), go up at said lock body (1) and screw in a location screw (17) to this cannelure (16).
5. antitheft door lock core according to claim 1; It is characterized in that: the ad-hoc location on said cage knob (4) circumference offers groove (24); On the correspondence position of said lock body (1), have a hole; Be provided with location ball (7) in this hole and cooperate, also be provided with the location ball spring (6) and the holding screw (5) of constraint location ball (7) in this hole with this groove (24).
6. according to each described antitheft door lock core of claim 1 to 5, it is characterized in that: the chip case assembly (2) that an end is provided with and the key of unblanking is complementary that inserts the key of unblanking at said lock body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204398630U CN202338145U (en) | 2011-11-09 | 2011-11-09 | Lock cylinder of antitheft door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204398630U CN202338145U (en) | 2011-11-09 | 2011-11-09 | Lock cylinder of antitheft door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202338145U true CN202338145U (en) | 2012-07-18 |
Family
ID=46486838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204398630U Expired - Lifetime CN202338145U (en) | 2011-11-09 | 2011-11-09 | Lock cylinder of antitheft door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202338145U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103590660A (en) * | 2013-11-27 | 2014-02-19 | 青岛铁辉工贸有限公司 | Safety door lock device |
| CN104196333A (en) * | 2014-09-06 | 2014-12-10 | 徐钜祥 | Lock cylinder mechanism capable of preventing violent damage |
| CN105133940A (en) * | 2015-09-09 | 2015-12-09 | 嘉兴美可泰科技有限公司 | Lock with double lock cylinders |
-
2011
- 2011-11-09 CN CN2011204398630U patent/CN202338145U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103590660A (en) * | 2013-11-27 | 2014-02-19 | 青岛铁辉工贸有限公司 | Safety door lock device |
| CN104196333A (en) * | 2014-09-06 | 2014-12-10 | 徐钜祥 | Lock cylinder mechanism capable of preventing violent damage |
| CN105133940A (en) * | 2015-09-09 | 2015-12-09 | 嘉兴美可泰科技有限公司 | Lock with double lock cylinders |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Xin Inventor after: Mou Chun Inventor after: Hu Mao Inventor before: Li Xin |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120718 |