CN201546500U - Reinforced double-layer thievery prevention lock barrel - Google Patents
Reinforced double-layer thievery prevention lock barrel Download PDFInfo
- Publication number
- CN201546500U CN201546500U CN2009202631879U CN200920263187U CN201546500U CN 201546500 U CN201546500 U CN 201546500U CN 2009202631879 U CN2009202631879 U CN 2009202631879U CN 200920263187 U CN200920263187 U CN 200920263187U CN 201546500 U CN201546500 U CN 201546500U
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- CN
- China
- Prior art keywords
- lock core
- lock
- lock barrel
- internal cylinder
- groove
- 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 - Fee Related
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Abstract
The utility model discloses a reinforced double-layer thievery prevention lock barrel, which comprises a lock barrel sleeve and a lock barrel. The lock barrel is positioned inside the lock barrel sleeve to form a lock barrel integral body. The lock barrel comprises an inner lock barrel and an outer lock barrel, which are positioned at the front part and the rear part of the lock barrel sleeve respectively and are arranged in the same direction. A key matched with the thievery prevention lock barrel comprises a key handle and a tooth part, wherein the tooth part consists of a front toothed bar segment and a rear toothed bar segment, which have the same lengths and bits. The reinforced double-layer thievery prevention lock barrel arranges the double-layer lock barrel structure consisting of the inner lock barrel and the outer lock barrel inside the lock barrel sleeve, and can be used together with the key to realize the purpose of locking or unlocking by inserting into an inner lockhole from an outer lockhole, while a thief can not unlock the lock through the inner lockhole from the exposed outer lockhole, so as to solve the security problem arising from the exposure of the outer lockhole of a thievery prevention lock. The thievery prevention lock barrel is suitable for a variety of locksets.
Description
Technical field
The utility model relates to a kind of lockset, is specifically related to a kind of lock core of lockset.
Background technology
In the prior art; the lock core of lockset generally comprises lock core cover and is installed in lock core in the lock core cover; also be provided with the syndeton that is used to connect retaining mechanisms such as lock pin on the lock core; form lockhole between lock core and the lock core cover; people open and close lockset for convenience; lockhole generally adopts exposed structure; and at this exposed engagement mechanism; people's shortage is protected the precautionary measures effectively; make the thief be easy to use the instrument of master key and so on to cause whole retaining mechanism malfunctioning by lockhole; cause theftproof lock to lose anti-theft feature, therefore, existing theftproof lock still exists potential safety hazard.
The utility model content
The purpose of this utility model is to provide a kind of easy to use, reinforced double-deck anti-theft lock that theftproof performance is strong.
The purpose of this utility model realizes by following technical measures: a kind of reinforced double-deck anti-theft lock, comprise lock core cover and lock core, described lock core is arranged in the lock core cover and constitutes lock core integral body, it is characterized in that described lock core comprises internal cylinder and outer lock core, described outer lock core and internal cylinder lay respectively at the front and rear part of lock core cover, and described outer lock core and internal cylinder are for being provided with in the same way; With the matching used key of described anti-theft lock, comprise the shank of the key and tooth portion, described tooth portion is made up of the two sections ratch in front and back, and the leading portion ratch is all identical with length, the tartar of back segment ratch.
The utility model is provided with the double-layer lock core structure of being made up of jointly internal cylinder and outer lock core in the lock core cover, wherein, form exterior lockhole between outer lock core and the lock core cover, and lockhole in forming between internal cylinder and the lock core cover.
The course of work of the present utility model is as follows: when unblanking, preceding half section tooth portion (being the leading portion ratch) of key inserts in the exterior lockhole, after rotating a predetermined angle, exterior lockhole aligns with interior lockhole, this moment, the second half section tooth portion (being the back segment ratch) with key inserted in the exterior lockhole, make the leading portion ratch stretch into interior lockhole simultaneously, after a certain angle of rotation the shank of the key, the leading portion ratch is moved with realization in interior lockhole transfer unblank; Otherwise, when locking, the tooth portion of key inserts in the lockhole fully, oppositely a certain angle of turn makes internal cylinder realize locking function, key is outwards withdrawed from half tooth portion again, this moment, the leading portion ratch stretched in the exterior lockhole, after the backward rotation predetermined angle, exterior lockhole no longer aligns with interior lockhole, but by outer lock core interior lockhole is blocked.
At first, because key of the present utility model adopts the structure of two sections tartars, the thief is difficult to make the key that matches with lock core of the present utility model; Secondly because interior lockhole blocks by outer lock core, the thief be difficult to tool using stretch in lockhole lock is pushed aside, therefore, strengthened the theftproof performance of lock widely, fundamentally eliminated the safety problem that causes because the lockhole of theftproof lock exposes; And the exterior lockhole that forms between outer lock core and the lock core cover exposes, and adopts two sections identical ratch structures with exterior lockhole, the matching used key of interior lockhole, can realize being inserted into the purpose of unblanking in the interior lockhole by exterior lockhole, and is therefore very convenient to use.
As a kind of improvement of the present utility model, be respectively equipped with between described lock core cover and described internal cylinder, the outer lock core and prevent that internal cylinder, outer lock core break away from the detent mechanism of described lock core cover.
As a kind of embodiment of the present utility model, described detent mechanism comprises groove and alignment pin, described groove is separately positioned on the lateral surface circumference of outer lock core and internal cylinder, described alignment pin then be located on the inwall of described lock core cover and with groove that the position is set is corresponding, described alignment pin is fastened in the groove.
As further improvement of the utility model, the position that is provided with that puts alignment pin at described lock core has draw-in groove, and the outer end of described alignment pin is fastened in the draw-in groove, and is provided with retainer spring in the inner of alignment pin, and described retainer spring is positioned at described groove.Said structure of the present utility model is convenient to internal cylinder and outer lock core are assembled in the lock core cover.
The utility model can also be done following improvement, has the dismounting hole of radially extending on the outer wall of described lock core cover, and described dismounting hole communicates with described draw-in groove.Make alignment pin under the effect of retainer spring, break away from draw-in groove by the dismounting hole, easily internal cylinder and outer lock core are separated from the lock core cover.
As a kind of embodiment of the present utility model, have the syndeton that is used to connect lock pin on the described internal cylinder, described lock pin and internal cylinder are connected and fixed by steady pin.
As improvement of the present utility model, described lock core overlaps for tubular construction and is arranged in the lock core hole, is provided with between described lock core cover and the lock core hole to be used for the position-limit mechanism of Limit lock core integral body in the lock core hole displacement.
Compared with prior art, the utlity model has following significant effect:
(1) the utility model is provided with the double-layer lock core structure of being made up of jointly internal cylinder and outer lock core in the lock core cover, after locking, outer lock core blocks interior lockhole, make the thief will lock unlatching by interior lockhole by the exterior lockhole that exposes, thereby strengthened the theftproof performance of locking widely, fundamentally eliminated the safety problem that causes because the lockhole of theftproof lock exposes;
(2) the utility model uses and the supporting key of double-layer lock core, and key adopts the structure of two sections identical ratch, can realize inserting the purpose of unblanking or locking in the interior lockhole by exterior lockhole, and is easy to use;
(3) the utility model can make alignment pin break away from draw-in groove under the effect of retainer spring by the dismounting hole, makes things convenient for lock core and outer lock core to separate from the lock core cover;
(4) the utility model is applicable on polytype lockset, for example be applicable to motorcycle anti-theft butterfly lock and common door lock etc., so applicable situation is more extensive.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
As shown in Figure 1, it is a kind of reinforced double-deck anti-theft lock of the utility model, comprise that lock core cover 1 and lock core, lock core are arranged in lock core cover 1 and constitute lock core integral body, lock core comprises internal cylinder 2 and outer lock core 3, outer lock core 3 and internal cylinder 2 lay respectively at the front and rear part of lock core cover 1, outer lock core 3 is setting in the same way with internal cylinder 2 so that exterior lockhole and interior lockhole towards identical; With the matching used key of anti-theft lock, comprise the shank of the key 8 and tooth portion 9, tooth portion 9 is made up of two sections ratch in front and back 91,92, and leading portion ratch 91 is all identical with length, the tartar of back segment ratch 92.
In lock core cover 1 and internal cylinder 2, be respectively equipped with between the outer lock core 3 and prevent internal cylinder 2, the detent mechanism of outer lock core 3 release lock core retainer plates 1, in the present embodiment, detent mechanism comprises groove and alignment pin 5, groove is separately positioned on the lateral surface circumference of outer lock core 3 and internal cylinder 2,5 of alignment pins be located on the inwall of lock core cover 1 and with groove that the position is set is corresponding, alignment pin 5 is fastened in the groove, the position that is provided with of alignment pin 5 has draw-in groove on lock core cover 1, the outer end of alignment pin 5 is fastened in the draw-in groove, and be provided with retainer spring 6 in the inner of alignment pin 5, retainer spring 6 is arranged in groove, have the dismounting hole 7 of radially extending on the outer wall of lock core cover 1, this dismounting hole 7 communicates with draw-in groove, and the dismounting hole 7 and the outer end of alignment pin 5 are aligned, and conveniently internal cylinder 2 and outer lock core 3 is separated from lock core cover 1.
Have the syndeton that is used to connect lock pin on the internal cylinder 2, lock pin and internal cylinder 2 are connected and fixed (not shown) by steady pin; Lock core cover 1 is for tubular construction and be arranged in the lock core hole, is provided with between lock core cover 1 and the lock core hole to be used for the position-limit mechanism of Limit lock core integral body in the lock core hole displacement.
Use of the present utility model is: when unblanking, preceding half section tooth portion (being the leading portion ratch) of key inserts in the exterior lockhole, after rotating a predetermined angle (for example 180 °), exterior lockhole aligns with interior lockhole, this moment, the second half section tooth portion (being the back segment ratch) with key inwardly pushed in the exterior lockhole, the leading portion ratch stretches into interior lockhole simultaneously, after a certain angle of rotation the shank of the key, the leading portion ratch is moved with realization in interior lockhole transfer unblank; Otherwise, when locking, the tooth portion of key inserts in the lockhole fully, oppositely a certain angle of turn makes internal cylinder realize locking function, outwards withdraws from half tooth portion again, this moment, the leading portion ratch stretched in the exterior lockhole, after the backward rotation predetermined angle (for example 180 °), exterior lockhole no longer aligns with interior lockhole, but by outer lock core interior lockhole is blocked.
Embodiment of the present utility model is not limited thereto, according to foregoing of the present utility model, ordinary skill knowledge and customary means according to this area, do not breaking away under the above-mentioned fundamental technics thought of the utility model prerequisite, lock core of the present utility model does not include only internal cylinder and outer lock core two-phase lock core, can also comprise the lock core more than two sections, simultaneously matching used key also correspondingly be divided into the ratch more than two sections with identical tartar and length, for example lock core comprises outer lock core, middle part lock core and three sections lock cores of internal cylinder, three sections ratch that the toothed portion of matching used key becomes to have identical tartar and length; In addition, detent mechanism of the present utility model, position-limit mechanism etc. can also be made modification, replacement or the change of other various ways, all drop within the utility model rights protection scope.
Claims (7)
1. reinforced double-deck anti-theft lock, comprise lock core cover (1) and lock core, described lock core is arranged in lock core cover (1) and constitutes lock core integral body, it is characterized in that: described lock core comprises internal cylinder (2) and outer lock core (3), described outer lock core (3) and internal cylinder (2) lay respectively at the front and rear part of lock core cover (1), and described outer lock core (3) is setting in the same way with internal cylinder (2); With the matching used key of described anti-theft lock, comprise the shank of the key (8) and tooth portion (9), described tooth portion (9) is made up of two sections ratch in front and back (91,92), and leading portion ratch (91) is all identical with length, the tartar of back segment ratch (92).
2. reinforced double-deck anti-theft lock according to claim 1 is characterized in that: be respectively equipped with between described lock core cover (1) and described internal cylinder (2), the outer lock core (3) and prevent that internal cylinder (2), outer lock core (3) break away from the detent mechanism of described lock core cover (1).
3. reinforced double-deck anti-theft lock according to claim 2, it is characterized in that: described detent mechanism comprises groove and alignment pin (5), described groove is separately positioned on the lateral surface circumference of outer lock core (3) and internal cylinder (2), described alignment pin (5) then be located on the inwall of described lock core cover (1) and with groove that the position is set is corresponding, described alignment pin (5) is fastened in the groove.
4. reinforced double-deck anti-theft lock according to claim 3, it is characterized in that: the position that is provided with of going up alignment pin (5) at described lock core cover (1) has draw-in groove, the outer end of described alignment pin (5) is fastened in the draw-in groove, and being provided with retainer spring (6) in the inner of alignment pin (5), described retainer spring (6) is positioned at described groove.
5. reinforced double-deck anti-theft lock according to claim 4 is characterized in that: have the dismounting hole (7) of radially extending on the outer wall of described lock core cover (1), described dismounting hole (7) communicates with described draw-in groove.
6. reinforced double-deck anti-theft lock according to claim 1 is characterized in that: described internal cylinder has the syndeton that is used to connect lock pin on (2), and described lock pin and internal cylinder (2) are connected and fixed by steady pin.
7. reinforced double-deck anti-theft lock according to claim 1, it is characterized in that: described lock core cover (1) is tubular construction and being arranged in the lock core hole, is provided with between described lock core cover (1) and the lock core hole to be used for the position-limit mechanism of Limit lock core integral body in the lock core hole displacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202631879U CN201546500U (en) | 2009-11-23 | 2009-11-23 | Reinforced double-layer thievery prevention lock barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202631879U CN201546500U (en) | 2009-11-23 | 2009-11-23 | Reinforced double-layer thievery prevention lock barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201546500U true CN201546500U (en) | 2010-08-11 |
Family
ID=42601674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202631879U Expired - Fee Related CN201546500U (en) | 2009-11-23 | 2009-11-23 | Reinforced double-layer thievery prevention lock barrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201546500U (en) |
-
2009
- 2009-11-23 CN CN2009202631879U patent/CN201546500U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20100811 Termination date: 20101123 |