CN205063537U - Prevent square shaft coupling mechanism that brute force unblanked - Google Patents
Prevent square shaft coupling mechanism that brute force unblanked Download PDFInfo
- Publication number
- CN205063537U CN205063537U CN201520757176.1U CN201520757176U CN205063537U CN 205063537 U CN205063537 U CN 205063537U CN 201520757176 U CN201520757176 U CN 201520757176U CN 205063537 U CN205063537 U CN 205063537U
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- square shaft
- brute force
- square
- bindiny mechanism
- safe
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Abstract
The utility model discloses a prevent square shaft coupling mechanism that brute force unblanked, including the outer drive shaft of the master lock tongue of seting up the square hole, and safe square shaft. The first end of safe square shaft is suitable for and inserts in the square hole, the outer handle of second end connection, outward the hand -motion safe square shaft is rotatory, and then drives the outer drive shaft of master lock tongue is rotatory, be provided with the body of stepping down in the square hole, the first end terminal surface of safe square shaft has been seted up and has been suitable for the body male space of stepping down of stepping down. The utility model discloses a prevent square shaft coupling mechanism that brute force unblanked can't destroy the lock body and realize illegal unblanking through the rotatory outer handle of brute force, has the advantage of effective guarantee house safety theftproof.
Description
Technical field
The utility model relates to lock technology field, is specifically related to the square shaft bindiny mechanism that a kind of anti-brute force is unblanked.
Background technology
In the use procedure of lockset, master lock tongue outer driving shaft and drive master lock tongue lockwork of unblanking to be connected, outer handle to be connected with master lock tongue outer driving shaft by outer 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 master lock tongue outer driving shaft and the junction of square shaft are square hole, and generally include bottom surface and four sides, the bottom surface of square hole is generally plane, coordinates with the end face of square shaft; 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 master lock tongue outer driving shaft, reach illegal object of unblanking.
If by the intensity weakening square shaft, when making the outer handle of powerful rotation, square shaft damaged before lock is opened, thus block outer handle to the destruction of lock body, cannot rotate that outer handle is illegal unblanks by powerful, more professional illegal picking lock personnel may beat opening door body or door lock outer plaque further, pull down square shaft, and change the large conventional square shaft of the intensity provided for oneself, realize rotating master lock tongue outer driving shaft and illegal object of unblanking by brute force.
The such means of current employing are unblanked, first be normally suitable for inserting on master lock tongue outer driving shaft in the axis hole of described square shaft and insert the rod-like members that can be blocked this axis hole, and the other end of this rod-like members is arranged on electricity turn or impact turn on, then be energized, rotate by the brute force of motor the object reaching and destroy lockset.
Utility model content
Therefore, the technical problems to be solved in the utility model is the problem in the axis hole that rod-like members that any yardstick is suitable can be inserted on master lock tongue outer driving shaft, thus provides a kind of and cannot rotate outer handle by brute force and destroy lock body and realize the square shaft bindiny mechanism that illegal anti-brute force of unblanking unblanks.
The square shaft bindiny mechanism that a kind of anti-brute force of the present utility model is unblanked, comprises
Master lock tongue outer driving shaft, offers square hole;
Safe square shaft, first end is suitable for inserting in described square hole, and the second end connects outer handle, and described outer handle drives described safe square shaft to rotate, and then drives described master lock tongue outer driving shaft to rotate;
Body of stepping down is provided with in described square hole; Described safe square shaft first end end face offer be suitable for described in step down that body inserts allow bit space.
The described bit space that allows is from the recessed resigning hole of described safe square shaft first end end face axial; Described body of stepping down is stretch out from described square hole diapire and be suitable for inserting the projection of stepping down of described resigning hole.
The height of described projection of stepping down is equal to or less than the degree of depth of described resigning hole.
Described projection of stepping down is the pyramidal structure outwards reduced by the diapire of described square hole, and the out to out of described pyramidal structure is equal to or less than the corresponding yardstick in described resigning hole aperture.
Described resigning hole at least the shape of bore portions and described pyramidal structure root appropriate section suitable.
Described pyramidal structure comprises the Rotary-table stretched out by the diapire of described square hole, and the cone stretched out by described Rotary-table, the basal diameter of described cone and the upper bottom surface equal diameters of described Rotary-table.
The inner wall shape of described resigning hole is coupled with described pyramidal structure.
Described pyramidal structure is cone.
The position of described safe square shaft between described master lock tongue outer driving shaft and described outer handle offers breaking groove.
Described safe square shaft is cylindric at described breaking groove place.
The described degree of depth of bit space that allows is less than the distance of described breaking groove apart from described first end end face.
Technical solutions of the utility model, tool has the following advantages:
1. the square shaft bindiny mechanism that the anti-brute force that the utility model provides is unblanked, comprises the master lock tongue outer driving shaft offering square hole, and safe square shaft; Described safe square shaft first end is suitable for inserting in described square hole, and the second end connects outer handle, and described outer handle drives described safe square shaft to rotate, and then drives described master lock tongue outer driving shaft to rotate; Body of stepping down is provided with in described square hole; Described safe square shaft first end end face offer be suitable for described in step down that body inserts allow bit space.The square shaft bindiny mechanism that anti-brute force of the present utility model is unblanked, when lawless person attempt by brute force rotate outer handle and destroy lock body realization unblank time, safe square shaft to be distorted distortion allowing the bit space wall that allows at bit space place, namely safe square shaft can be first damaged before lock body is destroyed, lose the effect of the larger torsion of transmission, lock body cannot be destroyed and open, if more professional illegal unlock staff beats opening door body or door lock outer plaque further, pull down safe square shaft, and change the large conventional square shaft of the intensity provided for oneself, then conventional square shaft cannot coordinate with the body of stepping down in master lock tongue outer driving shaft square hole due to end face, cause the effective area that coordinates between conventional square shaft with master lock tongue outer driving shaft too little, fully cannot coordinate and then cannot the torsion of needs of unblanking is delivered in lock body, still cannot reach and destroy the illegal object of unblanking of lock body, therefore, for the square shaft bindiny mechanism that anti-brute force of the present utility model is unblanked, lawless person cannot realize brute force by the mode safe square shaft being replaced with conventional square shaft and unblank, the effective guarantee safe antitheft in house and the personal safety as well as the property safety of householder.Wherein, the intensity of safe square shaft by test determination out, also can easily form batch, convenient for production.In addition, the square shaft bindiny mechanism that anti-brute force of the present utility model is unblanked does not limit by the concrete structure of lock body, is applicable to multiple lock body, and range of application is very extensive.
2. the square shaft bindiny mechanism that the anti-brute force that the utility model provides is unblanked, the height of described projection of stepping down is equal to or less than the degree of depth of described resigning hole, the projection that makes to step down can all insert in resigning hole, and safe square shaft fully can coordinate with master lock tongue outer driving shaft, is beneficial to and normally unblanks.
3. the square shaft bindiny mechanism that the anti-brute force that the utility model provides is unblanked, described in projection of stepping down be the pyramidal structure outwards reduced by the diapire of described square hole, the out to out of described pyramidal structure is equal to or less than the corresponding yardstick in described resigning hole aperture.Projection of stepping down is arranged to pyramidal structure, can be effectively anti-drilling, namely prevents lawless person from removing by self-contained drilling tool projection of stepping down.
4. the square shaft bindiny mechanism that the anti-brute force that the utility model provides is unblanked, described resigning hole at least the shape of bore portions and described pyramidal structure root appropriate section suitable, can ensure that safe square shaft fully coordinates with master lock tongue outer driving shaft like this, be beneficial to and normally unblank.
5. the square shaft bindiny mechanism that the anti-brute force that the utility model provides is unblanked, the position of described safe square shaft between described master lock tongue outer driving shaft and described outer handle offers breaking groove.Due to the existence of above-mentioned breaking groove, and above-mentioned breaking groove is opened in the position of safe square shaft between master lock tongue outer driving shaft and outer handle, 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, the easily distortion fracture because stress concentrates of breaking groove position, 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.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model detailed description 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 embodiments more of the present utility model, 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 the square shaft bindiny mechanism that the anti-brute force of embodiment 1 is unblanked is arranged on the partial sectional view after on door;
Fig. 2 is the sectional view of the square shaft bindiny mechanism that the anti-brute force of embodiment 1 is unblanked;
Fig. 3 is the sectional view that conventional square shaft is connected with the master lock tongue outer driving shaft of embodiment 1;
Fig. 4 is the sectional view of the master lock tongue outer driving shaft of embodiment 1;
Fig. 5 is that the safe square shaft of embodiment 2 is arranged on the partial sectional view after on door.
Description of reference numerals:
1-master lock tongue outer driving shaft; 11-square hole; 12-steps down projection; 121-Rotary-table; 122-cone; The safe square shaft of 2-; 21-first end; 22-second end; 23-resigning hole; 24-breaking groove; The outer handle of 3-; 4-lock body; 5-outer plaque.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described.
Embodiment 1
As depicted in figs. 1 and 2, the square shaft bindiny mechanism that a kind of anti-brute force of the present utility model is unblanked, comprises
Master lock tongue outer driving shaft 1, offers square hole 11;
Safe square shaft 2, first end 21 is suitable for inserting in described square hole 11, and the second end 22 connects outer handle 3, and described outer handle 3 drives described safe square shaft 2 to rotate, and then drives described master lock tongue outer driving shaft 1 to rotate;
Body of stepping down is provided with in described square hole 11; Described safe square shaft 2 first end 21 end face offer be suitable for described in step down that body inserts allow bit space.
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.
The square shaft bindiny mechanism that anti-brute force of the present utility model is unblanked, first end 21 end face due to safe square shaft 2 offers the bit space that allows that the body that is suitable for stepping down inserts, safe square shaft 2 is made to make the intensity at bit space place more weak, when lawless person attempt by brute force rotate outer handle and destroy lock body 4 realization unblank time, safe square shaft 2 to be distorted distortion allowing the bit space wall that allows at bit space place, namely safe square shaft 2 can be first damaged before lock body 4 is destroyed, lose the effect of the larger torsion of transmission, lock body cannot be destroyed and open, if more professional illegal unlock staff beats opening door body or door lock outer plaque 5 further, pull down safe square shaft 2, and change the large conventional square shaft of the intensity provided for oneself, then conventional square shaft cannot coordinate with the body of stepping down in master lock tongue outer driving shaft 1 square hole 11 due to end face, cause the effective area that coordinates between conventional square shaft with master lock tongue outer driving shaft 1 too little, cannot fully coordinate (as shown in Figure 3), and then cannot the torsion of unblanking to need be delivered in lock body 4, still cannot reach and destroy the illegal object of unblanking of lock body 4, therefore, for the square shaft bindiny mechanism that anti-brute force of the present utility model is unblanked, lawless person cannot realize brute force by the mode that safe square shaft 2 is replaced with conventional square shaft and unblank, the effective guarantee safe antitheft in house and the personal safety as well as the property safety of householder.Wherein, the intensity of safe square shaft by test determination out, also can easily form batch, convenient for production.In addition, the square shaft bindiny mechanism that anti-brute force of the present utility model is unblanked does not limit by the concrete structure of lock body 4, is applicable to multiple lock body, and range of application is very extensive.
Particularly, as shown in Figure 2, bit space is allowed to be from the recessed resigning hole 23 of described safe square shaft 2 first end 21 end face axial described in; Described body of stepping down is stretch out from described square hole 11 diapire and be suitable for inserting the projection 12 of stepping down of described resigning hole 23.
In the present embodiment, described in the step down height of projection 12 be equal to or less than the degree of depth of described resigning hole 23, the projection 12 that makes to step down can all insert in resigning hole 23, and safe square shaft 2 fully can coordinate with master lock tongue outer driving shaft 1, is beneficial to and normally unblanks.
The specific constructive form of described projection 12 of stepping down can have multiple, such as can for the cylinder, cuboid etc. stretched out by the diapire of described square hole 11.Projection 12 of stepping down described in the present embodiment is preferred is the pyramidal structure outwards reduced by the diapire of described square hole 11, and the out to out of described pyramidal structure is equal to or less than the corresponding yardstick in described resigning hole 23 aperture.Projection 12 of stepping down is arranged to pyramidal structure, can be effectively anti-drilling, namely prevents lawless person from removing by self-contained drilling tool projection 12 of stepping down.
Described resigning hole 23 at least the shape of bore portions and described pyramidal structure root appropriate section suitable.Can ensure that safe square shaft 2 fully coordinates with master lock tongue outer driving shaft 1 like this, be beneficial to and normally unblank.
The concrete form of described pyramidal structure can have multiple, and such as described pyramidal structure can be, the prismoid stretched out by the diapire of described square hole 11, and the structure that the pyramid stretched out by described terrace with edge forms; Also can be the direct pyramid stretched out by the diapire of square hole 11; It can also be the direct cone 122 stretched out by the diapire of square hole 11.In the present embodiment, as shown in Figure 4, preferred described pyramidal structure comprises the Rotary-table 121 stretched out by the diapire of described square hole 11, and cone 122, the basal diameter of described cone 122 and the upper bottom surface equal diameters of described Rotary-table 121 to be stretched out by described Rotary-table 121.
The inner wall shape of described resigning hole 23 is coupled with described pyramidal structure.
Embodiment 2
The present embodiment is substantially identical with embodiment 1, and difference is, in the present embodiment, as shown in Figure 5, the position of described safe square shaft 2 between described master lock tongue outer driving shaft 1 and described outer handle 3 offers breaking groove 24.Due to the existence of above-mentioned breaking groove 24, and above-mentioned breaking groove 2 is opened in the position of safe square shaft 2 between master lock tongue outer driving shaft 1 and outer handle 3, so when lawless person's brute force rotates outer handle 3 and causes the setting torsion torsion of safe square shaft being exceeded to safe square shaft, the easily distortion fracture because stress concentrates of breaking groove 24 position, cause the power be applied on outer handle 3 cannot be delivered to lock body 4 again, lock body 4 cannot be opened, the effective guarantee safe antitheft in house.
Described safe square shaft 2 can be various ways at the concrete shape at described breaking groove 24 place, can be such as quadrangular, six prisms etc., in the present embodiment, preferred described safe square shaft 2 is cylindric at described breaking groove 24 place, is convenient to breaking groove 24 machine-shaping like this.
The described degree of depth of bit space that allows is less than the distance of described breaking groove 24 apart from described first end 21 end face.
The particular location of described breaking groove 24 is unrestricted, as long as meet described breaking groove 24 to be opened in safe square shaft 2 between master lock tongue outer driving shaft 1 and outer handle 3.In actual applications, preferred described breaking groove 24 is positioned at the position of described safe square shaft 2 near described first end 11.In the present embodiment, described breaking groove 24 is positioned at the position of described first end 11 end face about the 15mm apart from described safe square shaft 2.
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 that the utility model creates.
Claims (11)
1. an anti-brute force square shaft bindiny mechanism of unblanking, comprises
Master lock tongue outer driving shaft (1), offers square hole (11);
Safe square shaft (2), first end (21) is suitable for inserting in described square hole (11), second end (22) connects outer handle (3), described outer handle (3) drives described safe square shaft (2) to rotate, and then drives described master lock tongue outer driving shaft (1) to rotate;
It is characterized in that:
Described square hole is provided with body of stepping down in (11); Described safe square shaft (2) first end (21) end face offer be suitable for described in step down that body inserts allow bit space.
2. the anti-brute force according to claim 1 square shaft bindiny mechanism of unblanking, is characterized in that: described in allow bit space be from the recessed resigning hole (23) of described safe square shaft (2) first end (21) end face axial; Described body of stepping down is for stretching out from described square hole (11) diapire and being suitable for inserting the projection of stepping down (12) of described resigning hole (23).
3. the anti-brute force according to claim 2 square shaft bindiny mechanism of unblanking, is characterized in that: described in the step down height of projection (12) be equal to or less than the degree of depth of described resigning hole (23).
4. the anti-brute force according to claim 2 square shaft bindiny mechanism of unblanking, it is characterized in that: described in projection (12) of stepping down be the pyramidal structure outwards reduced by the diapire of described square hole (11), the out to out of described pyramidal structure is equal to or less than the corresponding yardstick in described resigning hole (23) aperture.
5. the anti-brute force according to claim 4 square shaft bindiny mechanism of unblanking, is characterized in that: described resigning hole (23) at least the shape of bore portions and described pyramidal structure root appropriate section suitable.
6. the anti-brute force according to claim 4 square shaft bindiny mechanism of unblanking, it is characterized in that: described pyramidal structure comprises the Rotary-table (121) stretched out by the diapire of described square hole (11), and cone (122), the basal diameter of described cone (122) and the upper bottom surface equal diameters of described Rotary-table (121) to be stretched out by described Rotary-table (121).
7. the anti-brute force according to claim 6 square shaft bindiny mechanism of unblanking, is characterized in that: the inner wall shape of described resigning hole (23) is coupled with described pyramidal structure.
8. the anti-brute force according to claim 4 square shaft bindiny mechanism of unblanking, is characterized in that: described pyramidal structure is cone (122).
9. the square shaft bindiny mechanism that the anti-brute force according to any one of claim 1-8 is unblanked, is characterized in that: the position of described safe square shaft (2) between described master lock tongue outer driving shaft (1) and described outer handle (3) offers breaking groove (24).
10. the anti-brute force according to claim 9 square shaft bindiny mechanism of unblanking, is characterized in that: described safe square shaft (2) is cylindric at described breaking groove (24) place.
The square shaft bindiny mechanism that 11. anti-brute forces according to claim 9 are unblanked, is characterized in that: described in allow the degree of depth of bit space be less than the distance of described breaking groove (24) apart from described first end (21) end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520757176.1U CN205063537U (en) | 2015-09-28 | 2015-09-28 | Prevent square shaft coupling mechanism that brute force unblanked |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520757176.1U CN205063537U (en) | 2015-09-28 | 2015-09-28 | Prevent square shaft coupling mechanism that brute force unblanked |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205063537U true CN205063537U (en) | 2016-03-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520757176.1U Withdrawn - After Issue CN205063537U (en) | 2015-09-28 | 2015-09-28 | Prevent square shaft coupling mechanism that brute force unblanked |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205063537U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105220943A (en) * | 2015-09-28 | 2016-01-06 | 王力安防产品有限公司 | The square shaft bindiny mechanism that anti-brute force is unblanked |
-
2015
- 2015-09-28 CN CN201520757176.1U patent/CN205063537U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105220943A (en) * | 2015-09-28 | 2016-01-06 | 王力安防产品有限公司 | The square shaft bindiny mechanism that anti-brute force is unblanked |
| CN105220943B (en) * | 2015-09-28 | 2018-11-13 | 王力安防科技股份有限公司 | The square shaft bindiny mechanism that anti-strength is unlocked |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 9 No. 321300 Zhejiang city of Jinhua province Yongkang City Hardware Technology Industrial Park, Park Avenue South Patentee after: Wang Lian Polytron Technologies Inc Address before: 9 No. 321300 Zhejiang city of Jinhua province Yongkang City Hardware Technology Industrial Park, Park Avenue South Patentee before: WANGLI SECURITY PRODUCT CO., LTD. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160302 Effective date of abandoning: 20181113 |