CN103899149A - Antitheft key-and-cylinder combination and application method thereof - Google Patents
Antitheft key-and-cylinder combination and application method thereof Download PDFInfo
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- CN103899149A CN103899149A CN201410117908.0A CN201410117908A CN103899149A CN 103899149 A CN103899149 A CN 103899149A CN 201410117908 A CN201410117908 A CN 201410117908A CN 103899149 A CN103899149 A CN 103899149A
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- lock core
- core body
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Abstract
The invention discloses an antitheft key-and-cylinder combination and an application thereof. The antitheft key-and-cylinder combination comprises a key (1) and a cylinder. Bits are distributed on one side of a key body (1.2) along the length. A plug (3) comprises a first plug section (3.1), a second lock body section (3.3) and a third lock body section (3.5) which are arranged at intervals axially; a first connector (3.2) and an elastic connection device which is used for rotational resetting are arranged between the first plug section (3.1) and the second plug section (3.3); a second connector (3.4) and the other elastic connection device which is used for rotational resetting are arranged between the second plug section (3.3) and the third plug section (3.5). Owing to the sectional design of the plug of the antitheft key-and-cylinder combination, it's difficult for people to insert an unlocking tool directly to touch a pin component, technical unlocking difficulty is increased, and antitheft performance is good.
Description
Technical field
The present invention relates to field of lockset, particularly the assembly of a kind of anti-theft key and tapered end and using method thereof.
Background technology
At present, the lockset on market of a great variety, configurations, what wherein in people's life, apply is cylinder lock the most widely.The tapered end of cylinder lock of the prior art is mostly made up of lock body, lock core, the plectrum being linked by lock core and pellet assembly, and lock core is provided with keyhole.Its operating principle is, in the time inserting with the corresponding key of this tapered end, the key flank of tooth and each pellet are corresponding one by one, make the height of each pellet be in the contact surface place of lock body and lock core, then rotational lock core can drive plectrum drive dead bolt to unblank.The lock core of common cylinder lock mostly is integral type, technology unlocking instrument rotates after entering keyhole as straight cuttings such as Unlocking gun, steel disc, screwdrivers, be easy to just can stir the pellet even destroying in lock core, in the short time, just can by force lock be opened, its theftproof performance is poor.
Summary of the invention
Technical problem to be solved by this invention is: the design of a kind of lock core segmented is provided, and opener is difficult to straight cutting and encounters pellet assembly, technology unlocking difficulty is large, theftproof performance is good anti-theft key and the assembly of tapered end.
The present invention addresses the above problem adopted technical scheme: the assembly of a kind of anti-theft key and tapered end, comprise key and tapered end, described key comprises flat the shank of the key and key body, and a side of described key body is provided with the tartar of the asymmetrical shape distributing along its length; Described tapered end comprise housing, with key body on the tartar lock core body and the pellet assembly that match, described lock core body offers keyhole vertically, described lock core body comprises vertically spaced first paragraph lock core body, second segment lock core body and the 3rd section of lock core body successively, between described first paragraph lock core body and second segment lock core body, be provided with the first connector and for rotating the elastic connecting device of reset, between described second segment lock core body and the 3rd section of lock core body, be provided with the second connector and for rotating the elastic connecting device of reset;
Described elastic connecting device comprises extension spring, for being connected and fixed the upper alignment pin of upper end and for being connected and fixed the lower alignment pin of lower end, being equipped with the deep-slotted chip breaker for accommodating extension spring on the first described connector and the second connector;
Between the axis of the axis of the first described connector and the keyhole cross section of second segment lock core body and the keyhole cross section of first paragraph lock core body, angle is in the counterclockwise direction 90 °; Between the axis of the axis of the keyhole of the second described connector and the 3rd section of lock core body and the keyhole cross section of first paragraph lock core body, angle is along clockwise direction 90 °.
Compared with prior art, the invention has the advantages that: the lock core body of the assembly of this anti-theft key and tapered end designs for segmented, between each section of lock core body, be respectively arranged with two connectors and for rotating the elastic connecting device of reset, and between the axis of the axis of the keyhole cross section of the first connector and second segment lock core body and the keyhole cross section of first paragraph lock core body, angle is in the counterclockwise direction 90 ° (i.e. the keyhole of the first connector and second segment lock core body and vertical settings of keyhole of first paragraph lock core body), between the axis of the axis of the keyhole of the second connector and the 3rd section of lock core body and the keyhole cross section of first paragraph lock core body, angle is along clockwise direction 90 ° (the keyhole of the second connector and the 3rd section of lock core body and the keyhole of the first connector and second segment lock core body are 180 ° of settings).Unblank in process, operator needs segmentation could continue to unblank clockwise or after being rotated counterclockwise 90 °.And key of the present invention is common commercially available unidirectional key, tapered end is also as good as with common lock on the surface, but general technology unlocking instrument can only be stirred the pellet assembly of the first paragraph lock core body in this lock core body, be difficult to enter the first connector, even if technology unlocking instrument has entered in the first connector, due to the pellet assembly of second segment lock core body and the vertical setting mutually of the pellet assembly of first paragraph lock core body, unlocking tool is difficult to stir the pellet assembly of second segment lock core body, the difficulty of wanting to continue to enter the second connector is larger, cannot stir the 3rd section of pellet assembly in lock core body at all, technology unlocking instrument cannot be played a role, there is good theftproof performance.
As preferably, described second segment lock core body is provided with auxiliary locator, on described second segment lock core body, be provided with the mounting groove vertically running through, described auxiliary locator comprises the steel ball that is vertically arranged at the retainer spring in mounting groove and is located at retainer spring two ends, and the upper surface of the lower surface of the first described connector and the second described connector is respectively equipped with the groove for accommodating steel ball end.Like this, rotate in the process resetting at lock core body, can utilize the cooperation of the groove that the elasticity of spring and the lower surface of steel ball and the first connector and the upper surface of the second connector be provided with to carry out auxiliary positioning to the first connector, the second connector etc.
A using method for the assembly of anti-theft key and tapered end, concrete steps are as follows:
1), key is inserted in the keyhole of lock core body until key body cannot advance, now the front end of key body contacts with the end face of the first connector;
2) key being rotated counterclockwise to key body after 90 ° continues to insert in the keyhole of the first connector, and continue in the downward keyhole that inserts second segment lock core body, until key body cannot move on, now the front end of key body contacts with the end face of the second connector;
3) key being clockwise rotated to key body after 180 ° continues to insert in the keyhole of the second connector, and continue to insert downwards the 3rd section of lock core body keyhole in, then be rotated further key and drive lock core body to clockwise rotate 90 °, lock core afterbody drives plectrum to drive dead bolt to unblank.
Compared with prior art, the invention has the advantages that: the straight cutting key unlocking that is different from prior art, of the present invention unblanking in process, operator is inserting key leading portion until key body cannot advance time, after needing first key to be rotated counterclockwise to 90 °, continue again to insert time and then continuation insertion again after key is clockwise rotated to 180 ° until key body cannot move on, then be rotated further key and drive lock core body to rotate, lock core afterbody drives plectrum to drive dead bolt to unblank.Technology unlocking instrument is difficult to imitate this process of unblanking, and technology unlocking difficulty is large, theftproof performance good.
Brief description of the drawings
The sectional structure schematic diagram of the assembly of Fig. 1 anti-theft key of the present invention and tapered end.
The master of the assembly of Fig. 2 anti-theft key of the present invention and tapered end looks broken section structural representation.
The master of the first connector of the assembly of Fig. 3 anti-theft key of the present invention and tapered end looks broken section structural representation.
The master of the second connector of the assembly of Fig. 4 anti-theft key of the present invention and tapered end looks broken section structural representation.
In Fig. 1-4: alignment pin on 1 key, 1.1 the shank of the keys, 1.2 key bodies, 2 housings, 3 lock core bodies, 3.1 first paragraph lock core bodies, 3.2 first connectors, 3.3 second segment lock core bodies, 3.4 second connectors, 3.5 the 3rd sections of lock core bodies, 4,5 extension springs, 6 times alignment pins, 7 retainer springs, 8 steel balls.The width on the equal separated time of the keyhole width of equal separated time, C the second connector and the 3rd section of lock core body of the keyhole width of equal separated time, B the first connector and the second segment lock core body of the keyhole width of A first paragraph lock core body, the end limit of b keyhole.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are further described.
As Figure 1-4, the assembly of a kind of anti-theft key and tapered end, comprises key 1 and tapered end, and described key 1 comprises the shank of the key 1.1 and flat key body 1.2, and a side of described key body 1.2 is provided with the tartar distributing along its length, described tapered end comprises housing 2, lock core body 3 and the pellet assembly matching with the tartar on key body 1.2, described lock core body 3 offers keyhole vertically, described lock core body 3 comprises vertically spaced first paragraph lock core body 3.1 successively, second segment lock core body 3.3 and the 3rd section of lock core body 3.5, between described first paragraph lock core body 3.1 and second segment lock core body 3.3, be provided with the first connector 3.2 and for rotating the elastic connecting device of reset, between described second segment lock core body 3.3 and the 3rd section of lock core body 3.5, be provided with the second connector 3.4 and for rotating the elastic connecting device of reset.
Described elastic connecting device comprises extension spring 5 for connecting adjacent two-phase lock core body, the upper alignment pin 4 of the preceding paragraph lock core body is fixed on in one end of extension spring 5 and the other end of extension spring is fixed on to the lower alignment pin 6 of next section of lock core body, on the first described connector 3.2 and the second connector 3.4, is equipped with the deep-slotted chip breaker for accommodating extension spring 5.
Specifically refer to, between first paragraph lock core body 3.1 and second segment lock core body 3.3, be connected with extension spring 5, and the upper end of extension spring 5 is fixed on first paragraph lock core body 3.1 by upper alignment pin 4, second segment lock core body 3.3 is fixed on by lower alignment pin 6 in the lower end of extension spring 5.Between second segment lock core body 3.3 and the 3rd section of lock core body 3.5, be also connected with extension spring 5, and the upper end of extension spring 5 is fixed on second segment lock core body 3.3 by upper alignment pin 4, the 3rd section of lock core body 3.5 is fixed on by lower alignment pin 6 in the lower end of extension spring 5.
The equal separated time A of the keyhole width that the equal separated time B of the first described connector 3.2 and the keyhole width of second segment lock core body 3.3 is first paragraph lock core body 3.1 rotates 90 ° in the counterclockwise direction; The equal separated time A of the keyhole width that the equal separated time C of the second described connector 3.4 and the keyhole width of the 3rd section of lock core body 3.5 is first paragraph lock core body 3.1 rotates 90 ° along clockwise direction.Here, the width of keyhole is corresponding with the thickness direction of corresponding key body, because of being shaped as of keyhole irregularly shaped, therefore the equal separated time of the width b on the end limit that is keyhole at the equal separated time of this definition keyhole width.
A using method for the assembly of anti-theft key and tapered end, concrete steps are as follows:
1), key 1 is inserted in the keyhole of lock core body 3 until key body 1.2 cannot advance, now the front end of key body 1.2 contacts with the end face of the first connector 3.2;
2) key 1 being rotated counterclockwise to key body 1.2 after 90 ° continues to insert in the keyhole of the first connector 3.2, and continue in the downward keyhole that inserts second segment lock core body 3.3, until key body 1.2 cannot move on, now the front end of key body 1.2 contacts with the end face of the second connector 3.4;
3) key 1 being clockwise rotated to key body 1.2 after 180 ° continues to insert in the keyhole of the second connector 3.2, and continue to insert downwards the 3rd section of lock core body 3.5 keyhole in, then be rotated further key 1 and drive lock core body 3 to clockwise rotate 90 °, lock core afterbody drives plectrum to drive dead bolt to unblank.
Below be only described with regard to most preferred embodiment of the present invention, but can not be interpreted as it is limitations on claims.The present invention is not only confined to above embodiment, and its concrete structure allows to change.All various variations of doing in the protection domain of independent claims of the present invention are all in protection domain of the present invention.
Claims (3)
1. an assembly for anti-theft key and tapered end, comprises key (1) and tapered end, and described key (1) comprises the shank of the key (1.1) and key body (1.2), and a side of described key body (1.2) is provided with the tartar distributing along its length, described tapered end comprises housing (2), lock core body (3) and the pellet assembly matching with the tartar on key body (1.2), described lock core body (3) offers keyhole vertically, it is characterized in that: described lock core body (3) comprises vertically spaced first paragraph lock core body (3.1) successively, second segment lock core body (3.3) and the 3rd section of lock core body (3.5), between described first paragraph lock core body (3.1) and second segment lock core body (3.3), be provided with the first connector (3.2) and for rotating the elastic connecting device of reset, between described second segment lock core body (3.3) and the 3rd section of lock core body (3.5), be provided with the second connector (3.4) and for rotating the elastic connecting device of reset,
Described elastic connecting device comprises extension spring (5) for connecting adjacent two-phase lock core body, the upper alignment pin (4) of the preceding paragraph lock core body is fixed on in one end of extension spring (5) and the other end of extension spring (5) is fixed on to the lower alignment pin (6) of next section of lock core body, on described the first connector (3.2) and the second connector (3.4), is equipped with the deep-slotted chip breaker for accommodating extension spring (5);
The equal separated time (A) of the keyhole width that the equal separated time (B) of described the first connector (3.2) and the keyhole width of second segment lock core body (3.3) is first paragraph lock core body (3.1) rotates 90 ° in the counterclockwise direction; The equal separated time (A) of the keyhole width that the equal separated time (C) of described the second connector (3.4) and the keyhole width of the 3rd section of lock core body (3.5) is first paragraph lock core body (3.1) rotates 90 ° along clockwise direction.
2. the assembly of anti-theft key according to claim 1 and tapered end, it is characterized in that: described second segment lock core body (3.3) is provided with auxiliary locator, on described second segment lock core body (3.3), be provided with the mounting groove vertically running through, described auxiliary locator comprises the retainer spring (7) being vertically arranged in mounting groove and is located at the steel ball (8) at retainer spring (7) two ends, and the upper surface of the lower surface of described the first connector (3.2) and described the second connector (3.4) is respectively equipped with the groove for accommodating steel ball (8) end.
3. a using method for the assembly of anti-theft key and tapered end, is characterized in that: concrete steps are as follows:
1), by key (1) insert lock core body (3) keyhole in until key body (1.2) cannot advance;
2) key (1) is rotated counterclockwise to key body after 90 ° (1.2) continuation and insert in the keyhole of the first connector (3.2), and continue in the downward keyhole that inserts second segment lock core body (3.3), until key body (1.2) cannot move on;
3) key (1) being clockwise rotated to key body after 180 ° (1.2) continuation inserts in the keyhole of the second connector (3.2), and continue to insert downwards the 3rd section of lock core body (3.5) keyhole in, then be rotated further key (1) and drive lock core body (3) to clockwise rotate 90 °, lock core afterbody drives plectrum to drive dead bolt to unblank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410117908.0A CN103899149B (en) | 2014-03-27 | 2014-03-27 | The assembly of anti-theft key and tapered end and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410117908.0A CN103899149B (en) | 2014-03-27 | 2014-03-27 | The assembly of anti-theft key and tapered end and using method thereof |
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| Publication Number | Publication Date |
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| CN103899149A true CN103899149A (en) | 2014-07-02 |
| CN103899149B CN103899149B (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410117908.0A Expired - Fee Related CN103899149B (en) | 2014-03-27 | 2014-03-27 | The assembly of anti-theft key and tapered end and using method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103899150A (en) * | 2014-03-27 | 2014-07-02 | 宁波市鄞州剑均机械科技有限公司 | Combination of lock and key and application method of combination |
| CN103912162A (en) * | 2014-03-27 | 2014-07-09 | 宁波市鄞州剑均机械科技有限公司 | Combination of antitheft key and lock and using method of combination |
| CN106088853A (en) * | 2016-06-21 | 2016-11-09 | 宁波市鄞州剑均机械科技有限公司 | A kind of key and the assembly of huge lock based on this key |
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| CN103912162A (en) * | 2014-03-27 | 2014-07-09 | 宁波市鄞州剑均机械科技有限公司 | Combination of antitheft key and lock and using method of combination |
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2014
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899150A (en) * | 2014-03-27 | 2014-07-02 | 宁波市鄞州剑均机械科技有限公司 | Combination of lock and key and application method of combination |
| CN103912162A (en) * | 2014-03-27 | 2014-07-09 | 宁波市鄞州剑均机械科技有限公司 | Combination of antitheft key and lock and using method of combination |
| CN103899150B (en) * | 2014-03-27 | 2016-03-30 | 宁波市鄞州剑均机械科技有限公司 | The combination of a kind of tapered end and key |
| CN106088853A (en) * | 2016-06-21 | 2016-11-09 | 宁波市鄞州剑均机械科技有限公司 | A kind of key and the assembly of huge lock based on this key |
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| Publication number | Publication date |
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| CN103899149B (en) | 2016-03-02 |
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| 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 | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Cheng Guolong Inventor before: Lu Songyin |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170712 Address after: 528400 A, B building, Jiuzhou prosperous industrial zone, Xiaolan Town, Xiaolan Town, Guangdong, Zhongshan Patentee after: Zhongshan Tri-Circle lock Co. Ltd. Address before: 315104 Yinzhou District City, Ningbo Province under the streets of Hedong Village Patentee before: Ningbo Yinzhou Jianjun Machinery Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20190327 |