The square shaft bindiny mechanism that anti-strength is unlocked
Technical field
The present invention relates to lock technology fields, and in particular to a kind of square shaft bindiny mechanism that anti-strength is unlocked.
Background technology
During the use of lockset, main lock tongue outer driving shaft falls lockwork with the main lock tongue unlocking of driving and connect, outer grip
Hand is connect with main lock tongue outer driving shaft by outer square shaft and main lock tongue outer driving shaft is driven to rotate, reach it is counter put on lock or under press off
Lock or the purpose freely to dally.The junction of conventional main lock tongue outer driving shaft and square shaft is square hole, generally includes bottom surface and four
The bottom surface of a side, square hole is generally planar, coordinates with the end face of square shaft;Conventional square shaft is prismatic solid type side
Axis can transmit sizable torsion, so during the normal use of lockset, seldom will appear the case where square shaft damages, but
It is that this also provides the chance unlocked using improper means to criminal, they directly can strongly rotate outer handle, destroy
Main lock tongue outer driving shaft, achievees the purpose that illegal unlocking.
If by the intensity for weakening square shaft so that when strength rotates outer handle, square shaft damages before lock is opened, from
And destruction of the outer handle to lock body is blocked, the outer illegal unlocking of handle, more professional illegal picklock can not be rotated by strength
Member may further open door body or door lock outer plaque, remove square shaft, and change the big conventional square shaft of the intensity provided for oneself, real
Now by strongly rotating main lock tongue outer driving shaft illegal unlocking purpose.
It is unlocked at present using such means, is typically the axis for being adapted for insertion into the square shaft on main lock tongue outer driving shaft first
It is inserted into the rod-like members that can block the axis hole in hole, and the other end of the rod-like members is mounted on electricity and turns or impact to turn
On, it is then electrified to, the purpose for destroying lockset is rotated up to by the strength of motor.
Invention content
Therefore, the technical problem to be solved in the present invention is that the suitable rod-like members of arbitrary scale can be inserted into outside main lock tongue
The problems in axis hole in drive shaft, to provide one kind can not rotate outer handle by strength destroy lock body by realize it is illegal
The square shaft bindiny mechanism that the anti-strength unlocked is unlocked.
The square shaft bindiny mechanism that a kind of anti-strength of the present invention is unlocked, including
Main lock tongue outer driving shaft, offers square hole;
Safe square shaft, first end are adapted for insertion into the square hole, the outer handle of second end connection, described in the outer grip hand-motion
Safe square shaft rotation, and then drive the main lock tongue outer driving shaft rotation;
Resigning body is provided in the square hole;The safe square shaft first end end face is offered to be inserted into suitable for the resigning body
Allow bit space.
It is described that bit space is allowed to be from the recessed relief hole of the safe square shaft first end end face axial;The resigning body be from
The square hole bottom wall extends outwardly and is adapted for insertion into the resigning convex block of the relief hole.
The height of the resigning convex block is equal to or less than the depth of the relief hole.
The resigning convex block is the pyramidal structure reduced outward by the bottom wall of the square hole, the maximum ruler of the pyramidal structure
Degree is equal to or less than the corresponding scale in relief hole aperture.
The relief hole is at least adapted in the shape of bore portions with pyramidal structure root corresponding portion.
The pyramidal structure includes the round estrade to be extended outwardly by the bottom wall of the square hole, and from the round estrade to
Cone extending out, the basal diameter of the cone are equal with the upper bottom surface diameter of the round estrade.
The inner wall shape of the relief hole is coupled with the pyramidal structure.
The pyramidal structure is cone.
The safe square shaft offers fracture at the position between the main lock tongue outer driving shaft and the outer handle
Slot.
The safe square shaft is cylindrical at the breaking groove.
The depth for allowing bit space is less than distance of the breaking groove away from the first end end face.
Technical solution of the present invention has the following advantages that:
1. the square shaft bindiny mechanism that anti-strength provided by the invention is unlocked, including offer the main lock tongue driving outside of square hole
Axis and safe square shaft;The safe square shaft first end is adapted for insertion into the square hole, and second end connects outer handle, the outer grip
Safe square shaft rotation described in hand-motion, and then drive the main lock tongue outer driving shaft rotation;Resigning body is provided in the square hole;
The safe square shaft first end end face is offered allows bit space suitable for what the resigning body was inserted into.What the anti-strength of the present invention was unlocked
Square shaft bindiny mechanism, when criminal attempts to rotate outer handle by strength by destroy lock body realization unlocking, safe square shaft exists
The bit space wall that allows at bit space can be distorted deformation, i.e., safe square shaft can first be damaged before lock body is destroyed, lose
Go the effect of transmission bigger torsion so that lock body can not be destroyed opening;If more professional illegal unlocking staff is further
Door body or door lock outer plaque are opened in ground, remove safe square shaft, and change the big conventional square shaft of the intensity provided for oneself, then conventional square shaft by
It can not coordinate with the resigning body in main lock tongue outer driving shaft square hole in end face, cause between conventional square shaft and main lock tongue outer driving shaft
Effective cooperation area it is too small, be unable to fully cooperation so that can not will unlock need torsion be transmitted in lock body, still can not
Achieve the purpose that destroy the illegal unlocking of lock body, therefore, for the square shaft bindiny mechanism that the anti-strength of the present invention is unlocked, criminal
It can not realize that strength is unlocked in such a way that safe square shaft is replaced with conventional square shaft, the effective guarantee safe antitheft in house
With the personal safety as well as the property safety of householder.Wherein, the intensity of safe square shaft can by experiment determine come, be easily formed in batches,
It is convenient for production.In addition, the square shaft bindiny mechanism that the anti-strength of the present invention is unlocked is not limited by the concrete structure of lock body, it is suitable for more
Kind lock body, application range are very extensive.
2. the height of the square shaft bindiny mechanism that anti-strength provided by the invention is unlocked, the resigning convex block is equal to or less than institute
State the depth of relief hole so that resigning convex block can be entirely insertable in relief hole, and safe square shaft can be with main lock tongue outer driving shaft
Fully cooperation is conducive to normal unlock.
3. the square shaft bindiny mechanism that anti-strength provided by the invention is unlocked, the resigning convex block is the bottom wall by the square hole
The out to out of the pyramidal structure reduced outward, the pyramidal structure is equal to or less than the corresponding scale in relief hole aperture.
Resigning convex block is arranged to pyramidal structure, can be effectively anti-drilling, that is, prevents criminal from being removed by self-contained drilling tool and step down
Convex block.
4. the square shaft bindiny mechanism that anti-strength provided by the invention is unlocked, the relief hole is at least in the shape of bore portions
It is adapted with pyramidal structure root corresponding portion, can ensure that safe square shaft is fully matched with main lock tongue outer driving shaft in this way
It closes, is conducive to normal unlock.
5. the square shaft bindiny mechanism that anti-strength provided by the invention is unlocked, the safe square shaft drive outside the main lock tongue
Breaking groove is offered at position between moving axis and the outer handle.Due to the presence of above-mentioned breaking groove, and above-mentioned breaking groove is opened
Set on safe square shaft at the position between main lock tongue outer driving shaft and outer handle, so when criminal's strength rotation outer grip
Hand and when causing to be more than the setting torsion of safe square shaft to the torsion of safe square shaft, be broken at groove location be easy because stress concentration and
Deformation fracture, lock body can not be transmitted to again by causing to be applied to the power of outer grip on hand, and lock body can not be opened, effective guarantee house
Safe antitheft.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the partial sectional view after the square shaft bindiny mechanism of the anti-strength unlocking of embodiment 1 is mounted on a door;
Fig. 2 is the sectional view for the square shaft bindiny mechanism that the anti-strength of embodiment 1 is unlocked;
Fig. 3 is the sectional view that conventional square shaft is connect with the main lock tongue outer driving shaft of embodiment 1;
Fig. 4 is the sectional view of the main lock tongue outer driving shaft of embodiment 1;
Fig. 5 is the partial sectional view after the safe square shaft of embodiment 2 is mounted on a door.
Reference sign:
The main lock tongue outer driving shafts of 1-;11- square holes;12- resigning convex blocks;121- round estrades;122- cones;2- secure sides
Axis;21- first ends;22- second ends;23- relief holes;24- breaking grooves;The outer handles of 3-;4- lock bodies;5- outer plaques.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing.
Embodiment 1
As depicted in figs. 1 and 2, the square shaft bindiny mechanism that a kind of anti-strength of the invention is unlocked, including
Main lock tongue outer driving shaft 1, offers square hole 11;
Safe square shaft 2, first end 21 are adapted for insertion into the square hole 11, and second end 22 connects outer handle 3, the outer handle
3 drive the safe square shaft 2 to rotate, and then the main lock tongue outer driving shaft 1 is driven to rotate;
Resigning body is provided in the square hole 11;2 first end of safe square shaft, 21 end face is offered suitable for the resigning
What body was inserted into allows bit space.
Wherein, the main lock tongue outer driving shaft 3 is connect with the main upper lockwork of lock tongue unlocking of the driving in lock body 6.
The present invention anti-strength unlock square shaft bindiny mechanism, due to 21 end face of first end of safe square shaft 2 offer it is suitable
In the bit space that allows of resigning body insertion so that safe square shaft 2 is making the intensity at bit space weaker, when criminal attempts to pass through
When strength rotates outer handle and destroys lock body 4 and realize unlocking, safe square shaft 2 bit space wall can be turned round allowing at bit space
Song deformation, i.e., safe square shaft 2 can be first damaged before lock body 4 is destroyed, and lose the effect for transmitting bigger torsion so that lock body
Opening can not be destroyed;If more professional illegal unlocking staff further opens door body or door lock outer plaque 5, peace is removed
Full square shaft 2, and change the big conventional square shaft of the intensity provided for oneself, then conventional square shaft is since end face can not be with main lock tongue outer driving shaft 1
Resigning body cooperation in square hole 11, causes effective cooperation area between conventional square shaft and main lock tongue outer driving shaft 1 too small, can not
Fully cooperation (as shown in Figure 3), and then the torsion needed that can not will unlock is transmitted in lock body 4, is still unable to reach damage lock
The purpose of 4 illegal unlocking of body, therefore, for the square shaft bindiny mechanism that the anti-strength of the present invention is unlocked, criminal can not pass through
Safe square shaft 2 is replaced with the mode of conventional square shaft to realize that strength is unlocked, the safe antitheft in effective guarantee house and householder
Personal safety as well as the property safety.Wherein, the intensity of safe square shaft can be determined by experiment to be easily formed batch, producer
Just.In addition, the square shaft bindiny mechanism that the anti-strength of the present invention is unlocked is not limited by the concrete structure of lock body 4, it is suitable for multiple locking
Body, application range are very extensive.
Specifically, as shown in Fig. 2, described allow bit space to be recessed from 2 first end of safe square shaft, 21 end face axials
Relief hole 23;The resigning body is to extend outwardly from 11 bottom wall of the square hole and be adapted for insertion into the resigning of the relief hole 23
Convex block 12.
In the present embodiment, the height of the resigning convex block 12 is equal to or less than the depth of the relief hole 23 so that allows
Position convex block 12 can be entirely insertable in relief hole 23, and safe square shaft 2 can fully coordinate with main lock tongue outer driving shaft 1, be conducive to just
Normally opened lock.
The specific constructive form of the resigning convex block 12 can there are many, such as can be from the bottom wall of the square hole 11 to
Cylinder extending out, cuboid etc..The preferably described resigning convex block 12 of the present embodiment is outside by the bottom wall of the square hole 11
The out to out of the pyramidal structure of diminution, the pyramidal structure is equal to or less than the corresponding scale in 23 aperture of the relief hole.It allows
Position convex block 12 is arranged to pyramidal structure, can be effectively anti-drilling, that is, prevents criminal from being removed by self-contained drilling tool and step down
Convex block 12.
The relief hole 23 is at least adapted in the shape of bore portions with pyramidal structure root corresponding portion.In this way
It can ensure that safe square shaft 2 fully coordinates with main lock tongue outer driving shaft 1, be conducive to normal unlock.
The concrete form of the pyramidal structure can there are many, such as the pyramidal structure can be, by the square hole 11
The prismoid that extends outwardly of bottom wall, and structure that the pyramid that is extended outwardly by the terrace with edge forms;Also may be used
Think the pyramid directly to be extended outwardly by the bottom wall of square hole 11;Can also be directly to be extended outwardly by the bottom wall of square hole 11
And the cone 122 gone out.In the present embodiment, as shown in figure 4, it is preferred that the pyramidal structure includes by the bottom wall of the square hole 11
The round estrade 121 to extend outwardly, and the cone 122 that is extended outwardly by the round estrade 121, the cone
122 basal diameter is equal with the upper bottom surface diameter of the round estrade 121.
The inner wall shape of the relief hole 23 is coupled with the pyramidal structure.
Embodiment 2
The present embodiment is substantially the same with embodiment 1, the difference is that, in the present embodiment, as shown in figure 5, the peace
Full square shaft 2 offers breaking groove 24 at the position between the main lock tongue outer driving shaft 1 and the outer handle 3.Due to upper
The presence of breaking groove 24 is stated, and above-mentioned breaking groove 2 is opened in safe square shaft 2 between main lock tongue outer driving shaft 1 and outer handle 3
Position at, so causing the setting to the torsion of safe square shaft more than safe square shaft when criminal's strength rotates outer handle 3
It is easy to deform fracture because of stress concentration when torsion, at 24 position of breaking groove, causes the power being applied on outer handle 3 can not be again
It is transmitted to lock body 4, lock body 4 can not be opened, the effective guarantee safe antitheft in house.
Concrete shape of the safe square shaft 2 at the breaking groove 24 can be diversified forms, such as can be tetragonous
Column, hexagonal prisms etc., in the present embodiment, the preferably described safe square shaft 2 are cylindrical at the breaking groove 24, are convenient for so disconnected
Split 24 machine-shaping of slot.
The depth for allowing bit space is less than distance of the breaking groove 24 away from 21 end face of the first end.
The specific location of the breaking groove 24 is unrestricted, as long as meeting the breaking groove 24 is opened in Jie of safe square shaft 2
Between main lock tongue outer driving shaft 1 and outer handle 3.In practical applications, the preferably described breaking groove 24 is located at the safety
Square shaft 2 is at the position of the first end 11.In the present embodiment, the breaking groove 24 is located at away from the safe square shaft 2
At the position of 11 end face 15mm of the first end or so.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.