CN105220940A - Safe square shaft - Google Patents
Safe square shaft Download PDFInfo
- Publication number
- CN105220940A CN105220940A CN201510627317.2A CN201510627317A CN105220940A CN 105220940 A CN105220940 A CN 105220940A CN 201510627317 A CN201510627317 A CN 201510627317A CN 105220940 A CN105220940 A CN 105220940A
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- China
- Prior art keywords
- square shaft
- safe
- lock tongue
- master lock
- shaft body
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Abstract
The safe square shaft of one of the present invention, comprises square shaft body and breaking groove.The first end of described square shaft body connects master lock tongue outer driving shaft, and the second end connects outer handle, and described outer handle drives described square shaft body to rotate, and then drives described master lock tongue outer driving shaft to rotate; Described breaking groove is opened in described square shaft body between described master lock tongue outer driving shaft and described outer handle, and relative to the position that door body or door lock outer plaque do not expose.Safe square shaft of the present invention cannot destroy lock body by the outer handle of brute force rotation and realize illegal unblanking, and has the advantage that effective guarantee building safety is antitheft.
Description
Technical field
The present invention relates to lock technology field, be specifically related to a kind of safe square shaft.
Background technology
In the use procedure of lockset, master lock tongue outer driving shaft and drive master lock tongue upper lockwork of unblanking to be connected, outer handle to be connected with master lock tongue outer driving shaft by square shaft and to drive master lock tongue outer driving shaft to rotate, and reaches counter and puts on lock or press down the object of unblanking or freely dallying.Conventional square shaft is prismatic solid type square shaft; sizable torsion can be transmitted; so in the normal use procedure of lockset; seldom there will be the situation that square shaft damages; but this also provides the chance adopting improper means to unblank to lawless person, they directly powerfully can rotate outer handle, destroy the in-house interior protective device driving master lock tongue to unblank to lock; and then destruction lock body, reach illegal object of unblanking.
Chinese patent literature CN2326683Y discloses a kind of handle with force limiting device; the linkage part that handle controls is provided with the circumferential locking of handle key, exceedes the elastic key component that namely certain revolving force can retract; power transmission between handle and linkage is restricted, thus internal part can be protected can not to be subject to excessive external force and to be destroyed.
But in reality, the linkage part that handle controls arranges elastic key component and there are some problems, make handle arrangement become more complicated on the one hand, and at handle part for the purpose of attractive in appearance, light and handy, be also difficult to arrange more parts; On the other hand elastomeric element is wherein in Long-Time Service process, and repeated deformation easily produces fatigue of materials, and then linkage part and circumferential locking of handle key were lost efficacy, cause the problem that can not normally open.
Chinese patent literature CN101985865A discloses a kind of handle of concealed door window lock, comprise pedestal, handle and square axis, handle is contained in the cavity of pedestal, the front end of square axis is arranged in the handle, rear end is arranged in lockset, and square axis offers draw-in groove near the position of front end, and draw-in groove is for being socketed accommodating stator, stator has fixing square axis in the axis hole of pedestal, and the phenomenon preventing square axis to be drawn out occurs.
Although technical scheme has offered draw-in groove in solid square axis disclosed in above-mentioned document, the effect of draw-in groove has been used to the accommodating stator of clamping, thus coordinates the location of stator realization to square axis.From figure, its position is also be in be exposed at outside door lock plaque, even if accidentally rupture in this groove location in such position, have part square shaft to expose for lawless person provides the chance destroying further door lock, obviously draw-in groove here does not provide and how to prevent lawless person from realizing the illegal enlightenment unblanked by the powerful outer handle destruction master lock tongue outer driving shaft that rotates yet.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is to overcome square shaft in the outer handle of prior art and easily rotates outer handle by brute force and destroy lock body and realize illegal defect of unblanking, thus provides a kind of and cannot destroy lock body by the outer handle of brute force rotation and realize illegal safe square shaft of unblanking.
The safe square shaft of one of the present invention, comprises
Square shaft body, first end connects master lock tongue outer driving shaft, and the second end connects outer handle, and described outer handle drives described square shaft body to rotate, and then drives described master lock tongue outer driving shaft to rotate;
Breaking groove, is opened in described square shaft body between described master lock tongue outer driving shaft and described outer handle, and relative to the position that door body or door lock outer plaque do not expose.
Described breaking groove is positioned at the position of the described first end end face 15mm apart from described square shaft body.
Described square shaft body is cylindric at described breaking groove place.
The end face of the described first end of described square shaft body offers resigning hole, and one end of described master lock tongue outer driving shaft offers inserts for described square shaft body the square hole installed, and is provided with the projection of stepping down that can insert described resigning hole in described square hole.
The degree of depth of described resigning hole is less than the distance of described breaking groove apart from described first end end face.
Described projection of stepping down is taper drilling-preventing structure.
Described resigning hole comprises the cylindrical hole and bellmouth that are extended successively towards the direction of described second end by the end face of described first end.
The basal diameter of described cylindrical hole and described bellmouth is equal, and equals the basal diameter of described taper drilling-preventing structure, and described taper drilling-preventing structure inserts in described resigning hole completely.
Technical solution of the present invention, tool has the following advantages:
1. safe square shaft provided by the invention, comprise square shaft body and breaking groove, the first end of described square shaft body connects master lock tongue outer driving shaft, and the second end connects outer handle, described outer handle drives described square shaft body to rotate, and then drives described master lock tongue outer driving shaft to rotate; Described breaking groove is opened in described square shaft body between described master lock tongue outer driving shaft and described outer handle, and relative to the position that door body or door lock outer plaque do not expose.Due to the existence of above-mentioned breaking groove, and above-mentioned breaking groove is opened in square shaft body between master lock tongue outer driving shaft and outer handle, relative to the position that door body or door lock outer plaque do not expose, so when lawless person's brute force rotates outer handle and causes the setting torsion torsion of safe square shaft being exceeded to safe square shaft, can rupture because stress concentrates in breaking groove position in distortion, cause the power be applied on outer handle cannot be delivered to lock body again, lock body cannot be opened, the effective guarantee safe antitheft in house.Wherein, the intensity at the breaking groove place of safe square shaft by test determination out, also can easily form batch, convenient for production.In addition, safe square shaft of the present invention does not limit by the concrete structure of lock body, is applicable to multiple lock body, and range of application is very extensive.
2. safe square shaft provided by the invention, described square shaft body is cylindric at described breaking groove place.Be convenient to breaking groove machine-shaping like this.
3. safe square shaft provided by the invention, the end face of the described first end of described square shaft body offers resigning hole, one end of described master lock tongue outer driving shaft offers inserts for described square shaft body the square hole installed, and is provided with the projection of stepping down that can insert described resigning hole in described square hole.Because the cooperation of the resigning hole of square shaft body and the projection of stepping down of master lock tongue outer driving shaft exists, make lockset when normally using, projection of stepping down inserts in resigning hole, has enough effective cooperation positions between safe square shaft and master lock tongue outer driving shaft, can transmit the torsion normally unblanking to need; And when lawless person's brute force is unblanked after breaking groove place twists off safe square shaft, if want by taking outer plaque apart further, change the conventional square shaft provided for oneself to unblank to destroy lock body, then conventional square shaft cannot coordinate with the projection of stepping down of master lock tongue outer driving shaft due to end face, cause cannot fully coordinating between conventional square shaft with master lock tongue outer driving shaft, and then cannot the torsion of unblanking to need be delivered in lock body, still cannot reach and destroy the illegal object of unblanking of lock body, ensure the safe antitheft in house further.
4. safe square shaft provided by the invention, described in projection of stepping down be taper drilling-preventing structure, can prevent lawless person from removing by self-contained drilling tool projection of stepping down like this.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in detailed description of the invention or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is that safe square shaft of the present invention is arranged on the partial sectional view after on door;
Fig. 2 is the sectional view of the safe square shaft of the present invention;
Fig. 3 is the sectional view that the safe square shaft of the present invention is connected with master lock tongue outer driving shaft;
Fig. 4 is the sectional view that conventional square shaft is connected with master lock tongue outer driving shaft of the present invention.
Description of reference numerals:
1-square shaft body; 11-first end; 12-second end; 13-resigning hole; 131-cylindrical hole; 132-bellmouth; 2-breaking groove; 3-master lock tongue outer driving shaft; 31-square hole; 32-steps down projection; The outer handle of 4-; 5-outer plaque; 6-lock body.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme of the present invention is clearly and completely described.
As depicted in figs. 1 and 2, the safe square shaft of one of the present invention, comprises
Square shaft body 1, first end 11 connects master lock tongue outer driving shaft 3, second end 12 and connects outer handle 4, and described outer handle 4 drives described square shaft body 1 to rotate, and then drives described master lock tongue outer driving shaft 3 to rotate;
Breaking groove 2, is opened in described square shaft body 1 between described master lock tongue outer driving shaft 3 and described outer handle 4, and relative to the position that door body or door lock outer plaque 5 do not expose.
Wherein, described master lock tongue outer driving shaft 3 and the driving master lock tongue in lock body 6 upper lockwork of unblanking is connected.
Due to the existence of above-mentioned breaking groove 2, and above-mentioned breaking groove 2 is opened in square shaft body 1 between master lock tongue outer driving shaft 3 and outer handle 4, relative to the position that door body or door lock outer plaque 5 do not expose, so when lawless person's brute force rotates outer handle 4 and causes the setting torsion torsion of safe square shaft being exceeded to safe square shaft, can rupture because stress concentrates in breaking groove 2 position in distortion, cause the power be applied on outer handle 4 cannot be delivered to lock body 6 again, lock body 6 cannot be opened, the effective guarantee safe antitheft in house.Wherein, the intensity at breaking groove 2 place of safe square shaft by test determination out, also can easily form batch, convenient for production.In addition, safe square shaft of the present invention does not limit by the concrete structure of lock body 6, is applicable to multiple lock body, and range of application is very extensive.
The particular location of described breaking groove 2 is unrestricted, as long as meet described breaking groove 2 to be opened in square shaft body 1 between master lock tongue outer driving shaft 3 and outer handle 4.In actual applications, preferred described breaking groove 2 is positioned at the position of described square shaft body 1 near described first end 11.In the present embodiment, described breaking groove 2 is positioned at the position of described first end 11 end face about the 15mm apart from described square shaft body 1.
Described square shaft body 11 can be multiple in the shape at described breaking groove 2 place, and can be such as quadrangular, six prisms etc., the preferred described square shaft body 11 of the present embodiment be cylindric at described breaking groove 2 place.Be convenient to breaking groove 2 machine-shaping like this.
As shown in Figures 2 and 3, the end face of the described first end 11 of described square shaft body 1 offers resigning hole 13, one end of described master lock tongue outer driving shaft 3 offers inserts for described square shaft body 1 square hole 31 installed, and is provided with the projection 32 of stepping down that can insert described resigning hole 13 in described square hole 31.Because the cooperation of the resigning hole 13 of square shaft body 1 and the projection 32 of stepping down of master lock tongue outer driving shaft 3 exists, make lockset when normally using, projection 32 of stepping down inserts in resigning hole 13, between safe square shaft 1 and master lock tongue outer driving shaft 3, there is enough effective cooperation positions, the torsion normally unblanking to need can be transmitted, and when lawless person's brute force is unblanked after breaking groove 2 place twists off safe square shaft 1, if want by taking outer plaque 5 further apart, change the conventional square shaft provided for oneself to unblank to destroy lock body 6, then conventional square shaft cannot coordinate with the projection 32 of stepping down of master lock tongue outer driving shaft 3 due to end face, cause the effective area that coordinates between conventional square shaft with master lock tongue outer driving shaft 3 too little, cannot fully coordinate (as shown in Figure 4), and then cannot the torsion of unblanking to need be delivered in lock body 6, still cannot reach and destroy the illegal object of unblanking of lock body 6, the further safe antitheft ensureing house.
Particularly, the degree of depth of described resigning hole 13 is less than the distance of described breaking groove 2 apart from described first end 11 end face.
The specific constructive form of described projection 32 of stepping down can be multiple, such as can for the cylinder, cuboid etc. stretched out by the diapire of described square hole 31.In the present embodiment, projection 32 of stepping down is preferably taper drilling-preventing structure, and projection 32 of stepping down is arranged to taper drilling-preventing structure, can prevent lawless person from removing by self-contained drilling tool projection 32 of stepping down.Described taper drilling-preventing structure can be cone (as shown in Figure 3), also can be Rotary-table and cylindrical assembly (as shown in Figure 4), can also be pyramid, also can be the assembly of prismoid and pyramid.In the present embodiment, preferred described taper drilling-preventing structure is cone.
The specific constructive form of described resigning hole 13 can be multiple, and the preferred described resigning hole 13 of the present embodiment comprises the cylindrical hole 131 and bellmouth 132 that are extended successively towards the direction of described second end 12 by the end face of described first end 11.
The basal diameter of described cylindrical hole 131 and described bellmouth 132 is equal, and equals the basal diameter of described taper drilling-preventing structure, and described taper drilling-preventing structure inserts in described resigning hole 13 completely.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (8)
1. a safe square shaft, is characterized in that: comprise
Square shaft body (1), first end (11) connects master lock tongue outer driving shaft (3), second end (12) connects outer handle (4), described outer handle (4) drives described square shaft body (1) to rotate, and then drives described master lock tongue outer driving shaft (3) to rotate;
Breaking groove (2), be opened in described square shaft body (1) between described master lock tongue outer driving shaft (3) and described outer handle (4), and relative to the position that door body or door lock outer plaque (5) do not expose.
2. safe square shaft according to claim 1, is characterized in that: described breaking groove (2) is positioned at the position of described first end (11) the end face 15mm apart from described square shaft body (1).
3. safe square shaft according to claim 1 and 2, is characterized in that: described square shaft body (11) is cylindric at described breaking groove (2) place.
4. the safe square shaft according to any one of claim 1-3, it is characterized in that: the end face of the described first end (11) of described square shaft body (1) offers resigning hole (13), one end of described master lock tongue outer driving shaft (3) offers the square hole (31) installed for the insertion of described square shaft body (1), is provided with the projection of stepping down (32) that can insert described resigning hole (13) in described square hole (31).
5. safe square shaft according to claim 4, is characterized in that: the degree of depth of described resigning hole (13) is less than the distance of described breaking groove (2) apart from described first end (11) end face.
6. the safe square shaft according to claim 4 or 5, is characterized in that: described in step down projection (32) for taper drilling-preventing structure.
7. safe square shaft according to claim 6, is characterized in that: described resigning hole (13) comprises the cylindrical hole (131) and bellmouth (132) that are extended successively towards the direction of described second end (12) by the end face of described first end (11).
8. safe square shaft according to claim 7, it is characterized in that: the basal diameter of described cylindrical hole (131) and described bellmouth (132) is equal, and equaling the basal diameter of described taper drilling-preventing structure, described taper drilling-preventing structure inserts in described resigning hole (13) completely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510627317.2A CN105220940B (en) | 2015-09-28 | 2015-09-28 | Safe square shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510627317.2A CN105220940B (en) | 2015-09-28 | 2015-09-28 | Safe square shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105220940A true CN105220940A (en) | 2016-01-06 |
| CN105220940B CN105220940B (en) | 2018-11-13 |
Family
ID=54990171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510627317.2A Active CN105220940B (en) | 2015-09-28 | 2015-09-28 | Safe square shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105220940B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635276A (en) * | 2020-05-11 | 2021-11-12 | 电源箱公司 | Improvements in fastening storage devices |
| CN114458087A (en) * | 2021-12-31 | 2022-05-10 | 广东名门锁业有限公司 | Handle assembly |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2475101A1 (en) * | 1980-02-05 | 1981-08-07 | Santini Etudes Paolo | Adaptor for square shaft of door handle - has variable hollow two-part sleeve fitting into handle and retained by fixing screws |
| CN2134455Y (en) * | 1992-06-24 | 1993-05-26 | 张久财 | Anti-theft and anti-drill lock |
| CN2476623Y (en) * | 2001-05-18 | 2002-02-13 | 程飞 | Automatic lock with handle having locking function |
| KR20120114057A (en) * | 2011-04-06 | 2012-10-16 | 김은순 | Door lock handle assembling structure |
| CN202788224U (en) * | 2012-08-13 | 2013-03-13 | 王锦俊 | Anti-violence torsion anti-picking lock core |
| CN203729707U (en) * | 2014-02-20 | 2014-07-23 | 深圳市锐耐智能锁业有限公司 | Intelligent lock |
| CN104775673A (en) * | 2014-01-10 | 2015-07-15 | 雷米·埃梅尔·范·帕里斯 | Built-in lock for window and window with leafs having built-in lock |
| CN205063533U (en) * | 2015-09-28 | 2016-03-02 | 王力安防产品有限公司 | Safe square shaft |
-
2015
- 2015-09-28 CN CN201510627317.2A patent/CN105220940B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2475101A1 (en) * | 1980-02-05 | 1981-08-07 | Santini Etudes Paolo | Adaptor for square shaft of door handle - has variable hollow two-part sleeve fitting into handle and retained by fixing screws |
| CN2134455Y (en) * | 1992-06-24 | 1993-05-26 | 张久财 | Anti-theft and anti-drill lock |
| CN2476623Y (en) * | 2001-05-18 | 2002-02-13 | 程飞 | Automatic lock with handle having locking function |
| KR20120114057A (en) * | 2011-04-06 | 2012-10-16 | 김은순 | Door lock handle assembling structure |
| CN202788224U (en) * | 2012-08-13 | 2013-03-13 | 王锦俊 | Anti-violence torsion anti-picking lock core |
| CN104775673A (en) * | 2014-01-10 | 2015-07-15 | 雷米·埃梅尔·范·帕里斯 | Built-in lock for window and window with leafs having built-in lock |
| CN203729707U (en) * | 2014-02-20 | 2014-07-23 | 深圳市锐耐智能锁业有限公司 | Intelligent lock |
| CN205063533U (en) * | 2015-09-28 | 2016-03-02 | 王力安防产品有限公司 | Safe square shaft |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635276A (en) * | 2020-05-11 | 2021-11-12 | 电源箱公司 | Improvements in fastening storage devices |
| CN114458087A (en) * | 2021-12-31 | 2022-05-10 | 广东名门锁业有限公司 | Handle assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105220940B (en) | 2018-11-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 9 No. 321300 Zhejiang city of Jinhua province Yongkang City Hardware Technology Industrial Park, Park Avenue South Applicant after: WONLY SECURITY AND PROTECTION TECHNOLOGY Co.,Ltd. Address before: 9 No. 321300 Zhejiang city of Jinhua province Yongkang City Hardware Technology Industrial Park, Park Avenue South Applicant before: WANLI SECURITY PRODUCT CO.,LTD. |
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| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Safe square shaft Effective date of registration: 20230109 Granted publication date: 20181113 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Jinhua Yongkang sub branch Pledgor: WONLY SECURITY AND PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2023330000069 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |