CN2856302Y - Mechanical antitheft lock and key thereof - Google Patents

Abstract

The utility model relates to a mechanical anti-theft lock and a key therefore. Wherein the mechanical anti-theft lock comprises a sheath, a main body rotatably disposed on the sheath and a first locking mechanism. The main body has a key insertion-in end and a key insertion-out end, and is provided with a first unlocking space running through the key insertion-in end and the key insertion-out end. The key insertion-out end is provided with a second unlocking space. The key for the mechanical anti-theft lock comprise a first working face running through the first unlocking space to insert into the second unlocking space. The first working face cooperates with the first locking mechanism in the second unlocking space to control the main body to rotate in the sheath, accordingly, the mechanical anti-theft lock has advantages of simple structure, low manufacture cost and excellent anti-theft performance.

Description

Mechanical anti-theft lock and key thereof

Technical field

The utility model relates to a kind of anti-theft lock device and key thereof, the key of particularly a kind of mechanical anti-theft lock and unlatching mechanical anti-theft lock.

Background technology

Locking device, as use the theftproof lock of electricity, magnetic, sound, light, password to be widely used on door, bicycle, automobile, the safety cabinet etc.Yet, the theftproof lock of utilization electricity, magnetic, sound, light to environment requirement than higher, simultaneously to requirements such as the key of unblanking, passwords also than higher (in case lose as magnetic, magnetic lock is difficult to be opened), it is comparatively complicated that therefore its structure becomes, thereby cause manufacturing cost higher.The general more complicated of the structure of code type theftproof lock, assembly is various, and not only assembling is tired locks, and manufacturing cost is also higher relatively.

Summary of the invention

The purpose of this utility model provides a kind of simple in structure, low cost of manufacture and can reach the mechanical anti-theft lock of preferable anti-theft effect; Another purpose of the present utility model provides and a kind ofly opens that this mechanism is simple, low cost of manufacture and can reach the key of the mechanical anti-theft lock of preferable anti-theft effect.

Main purpose of the present utility model is to realize like this, a kind of mechanical anti-theft lock is provided, it comprises overcoat and is located at this outer lock main body that puts rotationally, this lock main body has the key insertion end and key is inserted out end, this lock main body is provided with passes through this and wears key insertion end and this key and insert out first of the end space of unblanking, this key is inserted out end and is offered second space of unblanking, and this mechanical anti-theft lock also comprises and passes this first space of unblanking and match to control first locked mechanism that this lock main body is rotated to insert this second first work plane of unblanking the key in the space.

As the further improvement of the utility model mechanical anti-theft lock, this theftproof lock comprises and inserts described first and unblank that second work plane of key matches to control second locked mechanism that described lock main body is rotated in the space.

Further improvement as the utility model mechanical anti-theft lock, the described outer accepting hole that is arranged with, described lock main body comprises to be located at first lock body in this accepting hole and to be sheathed on this first lock body rotationally and to be contained in second lock body in the described accepting hole, this first lock body is positioned at described key insertion end and key and inserts out end and be respectively equipped with first end face and second end face, this second lock body is positioned at described key insertion end and key and inserts out end and be respectively equipped with the 3rd end face and the 4th end face, this first end face and the second end face setting are run through in described first space of unblanking, and described second space of unblanking is opened on the 4th end face.

Further improvement as the utility model mechanical anti-theft lock, described accepting hole is cylindrical, described first lock body is the axle shape, described second lock body is the cylindrical sleeve tubular, the internal diameter of described accepting hole is identical with the external diameter of described second lock body, the external diameter of described first lock body is identical with the internal diameter of described second lock body, described first space of unblanking is rectangular-shaped and along the axis setting of first lock body of this shape, and described second space of unblanking is that cross section is L shaped through hole or groove and be arranged in parallel with the axis of this first lock body.

Further improvement as the utility model mechanical anti-theft lock, described first locked mechanism comprises that the 3rd plays the post counterbore, the 5th plays the post hole, correspondence is contained in the 3rd and plays the post counterbore, the 5th plays the 4th in the post hole plays post, the 5th bullet post and elasticity are pushed down the 5th and are played post to play post with the 4th, the 5th plays the post elastic limit plays the post counterbore in the 3rd, the 5th plays first elastic component in the post hole, wherein the 3rd play the axis of vertical this first lock body of post counterbore and be located on the outer circumference surface of this second lock body and connect and be provided with this second space of unblanking, the 5th plays the post hole be located at this outer putting to should the 3rd playing the post counterbore; Described second locked mechanism comprises that first plays the post hole, second plays the post hole, the 4th plays the post hole, correspondence is contained in this first bullet post hole, second plays first in post hole and the 4th bullet post hole plays post, second plays post, the 3rd bullet post and elasticity are pushed down the 3rd and are played post to play post with first, second plays post, the 3rd plays post is limited in this first bullet post hole, second plays the post hole, the 4th plays second elastic component in the post hole, wherein this first plays the axis of vertical this first lock body in post hole and is located on this first lock body and connects and be provided with this first space of unblanking, this second bullet post hole is to being located on this second lock body in the first bullet post hole, the 4th plays the post hole to should being located at this outer putting in the second post hole, and this first plays post and can partly stretch into this first unblank space and be limited to this movably and first play in post hole.

Further improvement as the utility model mechanical anti-theft lock, the described outer cylindrical accepting hole that is arranged with, described lock main body is a shape and can cooperates with this accepting hole around rotational ground, described lock main body is positioned at described key insertion end and key and inserts out end and be respectively equipped with first end face and second end face, this first end face and the second end face setting are run through in described first space of unblanking, and described first space of unblanking is rectangular-shaped and along this axis setting, described second space of unblanking is opened on this second end face, and described second space of unblanking is that cross section is L shaped through hole or groove and be arranged in parallel with this axis.

Further improvement as the utility model mechanical anti-theft lock, the described outer accepting hole that is arranged with, described lock main body can around a rotational be located in this accepting hole, described lock main body comprise cylindric first lock body and certainly the outside one of this first lock body outer circumference surface extend projection shape second lock body, this first lock body is positioned at described key insertion end and key and inserts out end and be respectively equipped with first end face and second end face, this second lock body is positioned at described key insertion end and key and inserts out end and be respectively equipped with the 3rd end face and the 4th end face, this first end face and the second end face setting are run through in described first space of unblanking, and described first space of unblanking is rectangular-shaped and along this axis setting, described second space of unblanking is opened on the 4th end face, and described second space of unblanking is that cross section is L shaped through hole or groove and be arranged in parallel with this axis.

Further improvement as the utility model mechanical anti-theft lock, described first locked mechanism comprises that the 3rd plays the post counterbore, the 5th plays the post hole, correspondence is contained in the 3rd and plays the post counterbore, the 5th plays the 4th in the post hole plays post, the 5th bullet post and elasticity are pushed down the 5th and are played post to play post with the 4th, the 5th plays the post elastic limit plays the post counterbore in the 3rd, the 5th plays first elastic component in the post hole, wherein the 3rd play vertical this axis of post counterbore and be located on the outer circumference surface of this lock main body and connect and be provided with this second space of unblanking, the 5th plays the post hole be located at and put outside this should the 3rd playing the post counterbore; Described second locked mechanism comprises that first plays post hole and the 4th bullet post hole, correspondence is contained in this first first bullet post that plays in post hole and the 4th bullet post hole, the 3rd bullet post and elasticity are pushed down the 3rd and are played post to play post with first, the 3rd plays post is limited in this first bullet post hole, the 4th plays second elastic component in the post hole, wherein this first plays vertical this axis in post hole and is located on this lock main body and connects setting with this first space of unblanking, the 4th plays the post hole to should being located at this outer putting in the first post hole, and this first plays post and can partly stretch into this first unblank space and be limited to this movably and first play in post hole.

Another purpose of the present utility model is to realize like this, a kind of mechanical anti-theft lock key is provided, it has first the unblank arm and be located at this and first unblank on the arm and this first second arm of unblanking of unblanking that arm extends back relatively, be positioned at this at this second end of unblanking arm on the direction of insertion of this mechanical anti-theft lock key and first unblank before the initiating terminal of arm, this second arm of unblanking is provided with first work plane.

Further improvement as the utility model mechanical anti-theft lock key, described first arm of unblanking is provided with second work plane, described first arm and the described second arm integral body of unblanking of unblanking is J-shaped, and described first arm and described second arm of unblanking of unblanking keeps at a certain distance away and be arranged in parallel.

Compared with prior art, second of the utility model mechanical anti-theft lock key arm of unblanking can pass this first unblank space and insert this and second unblank in the space, and second unblank cooperating in the space at this by first work plane provided thereon and this first locked mechanism, controlling this lock main body rotates in this overcoat, thereby not only make simple in structure, the low cost of manufacture of this mechanical anti-theft lock, but also can reach preferable anti-theft effect.

Description of drawings

Fig. 1 looks schematic diagram for the master of first lock body of the utility model first embodiment mechanical anti-theft lock.

Fig. 2 and Fig. 3 are the left view and the vertical view of first lock body among Fig. 1.

Fig. 4 and Fig. 5 are respectively along the sectional view of B-B direction among A-A direction and Fig. 3 among Fig. 1.

Fig. 6 looks schematic diagram for the master of second lock body of the utility model first embodiment mechanical anti-theft lock.

Fig. 7 and Fig. 8 are the right view and the vertical view of second lock body among Fig. 6.

Fig. 9, Figure 10 and Figure 11 are respectively along the sectional view of E-E among C-C direction, Fig. 8 among Fig. 6 and F-F direction.

Figure 12 looks schematic diagram for the master of the utility model first another second lock body of embodiment mechanical anti-theft lock.

Figure 13 is respectively along the sectional view of G-G direction among Figure 12.

Figure 14 looks schematic diagram for the master of the overcoat of the utility model first embodiment mechanical anti-theft lock.

Figure 15, Figure 16 and Figure 17 are right view, rear elevation and the vertical view of first lock body among Figure 14.

Figure 18, Figure 19 and Figure 20 are respectively along the sectional view of I-I among H-H direction, Figure 17 among Figure 15 and J-J direction.

Figure 21 looks schematic diagram for the master of first thrust piece of the utility model first embodiment mechanical anti-theft lock.

Figure 22 is the vertical view of first thrust piece among Figure 21.

Figure 23 looks schematic diagram for the master of second thrust piece of the utility model first embodiment mechanical anti-theft lock.

Figure 24 is the left view of second thrust piece among Figure 23.

Figure 25 is the schematic top plan view of the actuator of the utility model first embodiment mechanical anti-theft lock.

Figure 26 is the front view of actuator among Figure 25.

Figure 27 is the schematic top plan view of another actuator of the invention first embodiment mechanical anti-theft lock.

Figure 28 is the upward view of actuator among Figure 27.

Figure 29 is the left view of actuator among Figure 27.

Figure 30 looks schematic diagram for the master of an actuator again of the invention first embodiment mechanical anti-theft lock.

Figure 31 is the vertical view of actuator among Figure 30.

Figure 32 looks schematic diagram for the master of the end cap of the utility model first embodiment mechanical anti-theft lock.

Figure 33 is the left view of end cap among Figure 32.

Figure 34 looks schematic diagram for the master of the key of unlatching the utility model first embodiment mechanical anti-theft lock.

Figure 35 and Figure 36 are the Left elevation and bottom view of mechanical anti-theft lock key among Figure 34.

Figure 37 to Figure 44 is the cross-sectional schematic of invention mechanical anti-theft lock and its key operating principle.

Figure 45 looks schematic diagram for the master of the lock main body of the utility model second embodiment mechanical anti-theft lock.

Figure 46 and Figure 47 are the left view and the vertical view of lock main body among Figure 45.

Figure 49 and Figure 50 are the sectional view along L-L direction among Figure 47 and K-K direction.

Figure 51 looks schematic diagram for the lock main body of the utility model the 3rd embodiment mechanical anti-theft lock and the actuator master after being wholely set.

Figure 52 and Figure 53 are the lock main body of one among Figure 51 and the right view and the upward view of actuator.

Figure 54 is the sectional view along M-M direction among Figure 51.

Figure 55 is the schematic top plan view of round door lock.

Figure 56 and Figure 57 are the sectional view along N-N direction among Figure 55 and P-P direction.

Figure 58 is the schematic rear view of circular tapered end.

Figure 59 is the upward view of circular tapered end among Figure 58.

Figure 60, Figure 61, Figure 62 and Figure 63 are respectively along Q-Q direction among Figure 58 and R-R direction and along the sectional view of S-S direction among Figure 59 and T-T direction.

Figure 64 looks schematic diagram for the master of Automotive lock.

Figure 65 is the sectional view of Automotive lock among Figure 64.

Figure 66 is the cross-sectional schematic of padlock.

Figure 67 is the sectional view along U-U direction among Figure 66.

Figure 68 looks schematic diagram for the master of bicycle lock.

Figure 69 is the sectional view along V-V direction among Figure 68.

Figure 70 is the sectional view along W-W direction among Figure 69.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is described in further detail.

The utility model first embodiment mechanical anti-theft lock comprises lock main body 10, overcoat 40, first thrust piece 50, second thrust piece 60, actuator 70 and end cap 80, lock main body 10 has key insertion end 12 and key is inserted out end 14, lock main body 10 is provided with passes through this and wears key insertion end 12 and this key and insert out first of end 14 space 22 of unblanking, this key is inserted out end 14 and is offered second space 32 (below specifying as shown in figure 37) of unblanking.In first embodiment, this lock main body 10 comprises first lock body 20, is sheathed on second lock body 30 on this first lock body 20 rotationally.

To shown in Figure 5, first lock body 20 is a shape, comprises the first parallel end face 21 and second end face 23 as Fig. 1, and wherein first end face 21 is positioned at the key insertion end 12 of lock main body 10; Second end face 23 is positioned at the key of lock main body 10 and inserts out end 14 (consulting Figure 37 in the lump).

Run through first end face 21 and second end face 23 and offer first space 22 of unblanking along the axis direction of this first lock body 20, as optimal way, this first space 22 of unblanking is the rectangular-shaped through hole of in-line, is also referred to as the forward key keyhole.This first lock body 20 convexes with flange 24 near the excircle of these first end face, 21 1 ends to external radiation.Extend upward the columned boss 25 of two smaller part in this second end face 23, this two boss 25 is positioned at this first 22 both sides, space of unblanking, thereby form two horizontal guide grooves 26 25 of two boss, this horizontal guide groove 26 and this first space 22 of unblanking is being positioned on the vertical view always on the line.

This first lock body 20 offer four be spaced in vertical direction and with this first unblank that the vertical cylindrical horizontal of the big inwall 221 in space 22 is provided with first play post hole 28.First to play the central axis of post hole 28 and first lock body 20 vertical and communicate with this first space 22 of unblanking for this, and near this first inner surface inside radiation extending stopper section 281 of unblanking space 22 1 ends, with restriction be installed in wherein first play post 101 (following detailed description).

To shown in Figure 11, this second lock body 30 is cylindrical sleeves or short tube shape, comprises the 3rd end face 31 and the 4th end face 33 that be arranged in parallel as Fig. 6.Wherein the 3rd end face 31 is positioned at the key insertion end 12 of lock main body 10; The 4th end face 33 is positioned at the key of lock main body 10 and inserts out end 14 (consulting Figure 37 in the lump).Offer interior first cylindrical hole 34 in this three end face 31 and 33 of the 4th end faces, to be enclosed within on first lock body 20.Being provided with the cross section parallel with the axis of this second lock body 30 in this three end face 31 and 33 of the 4th end faces is L shaped second to unblank to be also referred to as the reverse key keyhole in space 32, and as optimal way, this second space 32 of unblanking is the through hole shape.On this second lock body 30 also to should first lock body 20 first play post hole 28 and offer second of horizontal cylindrical and play post hole 38.The outer peripheral face of this second lock body 30 is horizontally disposed with a row the cylindrical the 3rd in vertical direction at interval and plays post counterbore 36, the 3rd plays post counterbore 36 connects with this second space 32 of unblanking, and with these second inner surface 321 vertical settings in space 32 of unblanking, that is vertical with the central axis of this second lock body 30.

Figure 12 and Figure 13 shows that another second lock body 30 ' of the utility model, the difference of this second lock body, 30 ' relative second lock body 30 only is: second space 32 ' of unblanking is L shaped fluting for cross section.Other concrete structures of this second lock body 30 ' are identical with this second lock body 30, needn't give unnecessary details at this.

To shown in Figure 20, this overcoat 40 is cylindrical as Figure 14, and it comprises parallel five terminal face 41 and the 6th end face 43, and wherein five terminal face 41 is positioned at the key insertion end 12 of lock main body 10; The 6th end face 43 is positioned at the key of lock main body 10 and inserts out end 14 (consulting Figure 37 in the lump).Offer columniform accepting hole 42 between this five terminal face 41 and the 6th end face 43, this accepting hole 42 comprises second cylindrical hole 421 and the less through hole 422 of following internal diameter that coaxial top internal diameter is big.40 pairs in this overcoat should offer the 4th bullet post hole 48 in first, second bullet post hole 28,38, to offering the 5th bullet post hole 46 by the 3rd bullet post counterbore 36.General this overcoat 40 offers a dead bolt hole 49 near the sidewall of the 6th end face 43 1 ends, also can offer two dead bolt holes 49 that are symmetry certainly as required, and the lock that has certainly also can this tongue hole 49.Need to prove that the outer shape of this overcoat 40 can change as required, for example can be cuboid etc., below describe in detail, but the setting of interior shape structure is basic identical.

It should be noted that above-mentioned configuration and quantity that first, second plays post hole 28,38, the 3rd bullet post counterbore 36, the 4th, the 5th bullet post hole 48,46 can change according to concrete anti-theft lock structure.

As Figure 21 and shown in Figure 22, this first thrust piece 50 is a round, is the upper end that is sheathed on this first lock body 20, moves on the axis direction of this first lock body 20 to limit this second lock body 30.This first thrust piece 50 is provided with and disconnects mouthful 52 (generally with laterally guide groove 26 is corresponding), is convenient to key and passes through.Certainly this first thrust piece 50 also can be structure, the structure that other affiliated technical field personnel are known.

As Figure 23 and shown in Figure 24, the function of this second thrust piece 60 is identical with this first thrust piece 50, and its both shape and structures also can be identical.Certainly this second thrust piece 60 also can be structure, the structure that other affiliated technical field personnel are known.As Figure 23 and shown in Figure 24, this second thrust piece 60 is fan-shaped sheet.Second thrust piece 60 is to be used to limit this first lock body 20 and second lock body, 30 integral body with respect to this overcoat 40 move up (following detailed description).When this second thrust piece 60 blocks the dead bolt hole 49 of this overcoat 40, this second thrust piece 60 also need be offered perforate or the fluting corresponding with this dead bolt hole 49, its thickness can freely rotate with actuator 70 and be as the criterion, and height must be reserved end cap 80 thickness of overcoat 40 tail ends, so that assembling end cap 80.If overcoat 40 is double lock tongue holes 49,60 palpuses of this second thrust piece have corresponding two perforates or fluting.This sheet second thrust piece more than 60 is used for door lock and cabinet door lock, because the tail end of the tail end of the overcoat of door lock 80 and second lock body 30 can be same plane, this sheet second thrust piece 60 can be fixed on the 6th end face 43 of overcoat 40.

This first, second thrust piece 50,60 also can be ring-type or column.This ring-type thrust piece must be provided with the annular groove that matches on first lock body 20 or overcoat 40.

This actuator can have different shapes according to different use occasions.As Figure 25 and shown in Figure 26, this actuator 70 is the projection shape, and its cross section is a falcate, is fixed on the 4th end face 33 of second lock body 30 (as Figure 62).The actuator 70 of projection shape is used in rotation dead bolt with matching being carried out pushing tow (as Figure 70), makes the dead bolt telescopic moving, and then reaches the purpose of unblanking.

To shown in Figure 29, the bottom surface of actuator 70 ' can be provided with projection 72 ' as Figure 27, and the cross section of this projection 72 ' also is falcate.The actuator 70 ' that this kind has projection 72 ' is used for door, cabinet lock more, and by the setting of this projection 72 ', this actuator 70 ' is not run into second thrust piece 60 (as Figure 37) when rotating.

Figure 30 and another kind of actuator 70 ' shown in Figure 31 ', it is mainly used in the situation that needs the zip tongue.Actuator 70 ' ' integral body in the form of sheets, it is mainly used in and spurs dead bolt (or connector of dead bolt) in rotation, makes the dead bolt telescopic moving.The ora terminalis that actuator 70 ' ' comprise fixed part 73 ' ' and the drive division 74 ' that cooperates with dead bolt ', this fixed part 73 ' ' are fan-shaped, this drive division 74 ' ' this fixed part 73 ' ' certainly upwards vertically extends.This fixed part 73 ' ' generally be fixed on the 4th end face 33 of second lock body 30 this drive division 74 ' ' cooperate with outside dead bolt (or connector of dead bolt) driving.

As Figure 32 and Figure 33, this end cap 80 is to be used for first lock body 20 and second lock body 30 are sealed in the overcoat 40.This end cap 80 mostly is garden shape steel disc, and the external diameter size matches with interior 40 footpaths of overcoat, and thickness can make key 90 freely work after pushing down second thrust piece 60 and be advisable.The end cap 80 of padlock identical with the end face size shape of overcoat (shown in Figure 66), thickness is advisable with anti-the damage.Certainly, under the situation that does not need to seal, can be without end cap 80.

Consult Figure 38 and Figure 43 in the lump, the assembling that this mechanical anti-theft lock is described with and first, second locked mechanism.During assembling, the through hole 422 of first lock body 20 below overcoat 40 inserted in this overcoat 40, concordant up to first end face 21 of this first lock body 20 with the five terminal face 41 of this overcoat 40.Then this second lock body 30 is inserted in second cylindrical hole of these overcoats 40 421, and its first cylindrical hole 34 is enclosed within on this first lock body 20.The external diameter of this first lock body 20 is corresponding identical with the internal diameter of first cylindrical hole 34, and the external diameter of this second lock body 30 is corresponding identical with the internal diameter of second cylindrical hole 421, and the external diameter of this flange 24 is corresponding identical with the internal diameter of this through hole 422.Therefore, this second lock body 30 can be around same rotational in this overcoat 40 with this first lock body 20.

By first thrust piece 50 of holding circle shape on this first lock body 20, limit this second lock body 30 and move in the axis direction of this first lock body 20.The 6th end face 43 of this overcoat 40 is provided with second thrust piece 60 of sheet (shown in Figure 62, when at the theftproof lock that end cap 80 is arranged, generally be pressed on the 4th end face 33 of this second lock body 30 by second thrust piece 60 of end cap 80 with the circle shape), limit these first, second lock body 20,30 integral body and in overcoat 40, upwards move.

The actuator 70 ' of fan-shaped bump shape is located on the 4th end face 33 of this second lock body 30, and when this second lock body 30 rotated, this actuator 70 ' can promote dead bolt, thereby realized unlocking function (following detailed description).

As shown in figure 43, this mechanical anti-theft lock comprises first locked mechanism and second locked mechanism.First locked mechanism comprises that the 3rd of second lock body 30 plays the 5th on post counterbore 36, the overcoat 40 and plays post hole 46, is contained in the 3rd and plays post counterbore the 36, the 5th and play the cylindrical the 4th in the post hole 46 and play post the 501, the 5th and play post 601 and elasticity and push down the 4th, the 5th first elastic component 701 that plays post 501,601, and this first elastic component 701 also is spring in this enforcement.

The concrete assembling of this first locked mechanism is such: when first, second lock body 20,30 is installed on this overcoat 40, rotate this second lock body 30, make the 3rd to play post counterbore 36 and the 5th and play post hole 46 and communicate, play post 501,601 with the 4th, the 5th and pack into successively and the 3rd play in post counterbore 36 and the 5th bullet post hole 46.Be pressed in the 5th by first elastic component, 701 elasticity and play post 601 rear ends, play in post counterbore 36 and the 5th bullet post hole 46 the 3rd thereby play post 501,601 flexible fastenings with the 4th, the 5th.Because the 3rd plays the setting of post counterbore 36, the 4th plays post 501 can partly enter this and second unblank in the space 32.

When being in locking-in state, the 4th plays post 501 parts stretches into this and second unblanks in the space 32 and another part is stayed the 3rd and played in the post counterbore 36, and the 5th plays post 601 parts stretches into the 3rd and play post counterbore 36 and another part is stayed the 5th and played in the post hole 46.At this moment, second lock body 30 locks mutually with overcoat 40.When being in open mode, the 4th, the 5th plays post 501,601 just in time is contained in corresponding the 3rd bullet post counterbore 36 and the 5th bullet post hole 46.This moment, second lock body 30 can rotate in this overcoat 40.

As shown in figure 38, this second locked mechanism comprise first of first lock body 20 play second of post hole 28, second lock body 30 play the 4th of post hole 38, overcoat 40 play post hole 48, be contained in this first, second and the 4th play cylindrical first in the post hole 28,38,48 play post 101, second play post the 201, the 3rd play post 301 and elasticity push down this first, second play second elastic component 401 that post, the 3rd plays post 101,201,301, this second elastic component 401 is spring in this enforcement.This first play post 101 comprise play cylinder 102 and certainly these bullet cylinder 102 end face centers extend outward the less head of radius 103, the external surface of this head 103 is a hemisphere face shape.The external diameter of this head 103 is corresponding with the internal diameter of this stopper section 281.

The concrete assembling of this second locked mechanism is such: when first, second lock body 20,30 is installed on this overcoat 40, rotate this first, second lock body 20,30, make this first, second and the 4th play post hole 28,38,48 and communicate, first, second plays post, the 3rd and plays post 101,201,301 and pack this first, second and the 4th play in the post hole 28,38,48 successively into.Play the rear end of post 301 by 401 extruding the 3rd of second elastic component, and the shoulder face that borrow to play between cylinder 102 and the head 103 is against this stopper section 281, plays post 101,201,301 flexible fastenings in this first, second and the 4th play in the post hole 28,38,48 thereby first, second is played post, the 3rd.

When being in locking-in state, these first head 103 parts that play post 101 stretch into this first unblank space 22 and another part and stay first and play in the post hole 28, this second plays post 201 parts and stretches into first and play post hole 28 and another part is stayed second and played in the post hole 38, and the 3rd plays post 301 parts stretches into second and play post hole 38 and another part is stayed the 4th and played in the post hole 48.At this moment, first, second lock body 20,30, overcoat 40 lock mutually.When being in open mode, first, second plays post, the 3rd and plays post 101,201,301 and just in time be contained in corresponding first, second and the 4th and play in the post hole 28,38,48, and this moment, first, second lock body 20,30 can rotate in this overcoat 40.

To shown in Figure 36, the key 90 that is used to open this mechanical anti-theft lock roughly is J-shaped as Figure 34, and it comprises a shank 91.This shank 91 comprises circular arc side and the flattened side that links to each other with this circular arc side.Have first of second work plane 921 arm 92 of unblanking in what this flattened side one extended outward sheet, extend back in the form of sheets second arm 93 of unblanking in these first arm 92 ends of unblanking.This first unblank arm 92 keeps at a certain distance away and be arranged in parallel with this second arm 93 of unblanking, this first arm 92 of unblanking is corresponding with this second width of arm 93 integral body and thickness and first space 22 of unblanking of unblanking, and this second width of arm 93 integral body and thickness and second space 32 of unblanking of unblanking is corresponding.This first unblank arm 92 is triangular in shape with this second unblank cross section of common end of arm 93, so that this key 90 inserts theftproof locks (following detailed description).This second arm 93 of unblanking offers rectangular depression 931 away from first side of unblanking arm 92, and this depression 931 is offered along this side, so that this second cross section of unblanking arm 93 is L shaped, with corresponding with second the unblank cross section in space 32.This second hammerlock 93 is first work plane 932 away from first end face of unblanking arm 92.

Below describe the operating principle of this key 90 and this theftproof lock in detail.As shown in figure 37, this theftproof lock is in locking-in state.Extremely shown in Figure 44 as Figure 38, when unblanking, first arm 92 and second of unblanking is unblanked that arm 93 is corresponding to insert first space 22 of unblanking, and allow this first 921 pairs of second work plane of unblanking arm 92 should second locked mechanism first play post 101 and stretch into this first part head 103 of unblanking space 22.Because this first unblank arm 92 is triangular in shape with this second unblank cross section of common end of arm 93, thereby convenient first arm 92 and second arm 93 of unblanking of unblanking inserts first and unblanks in the space 22.By insert this first unblank arm 92 921 extruding of second work plane this first play post 101 and stretch into this first part head 103 of unblanking space 22, when this first unblank arm 92 inserts when putting in place, this second working surface 921 plays post 101 with first and just in time is expressed in the first corresponding bullet post hole 28, this second bullet post, the 3rd bullet post 201,301 also are brought to and just in time are contained in the second and the 4th corresponding bullet post hole 38,48 simultaneously, and this moment, first lock body 20 can rotate around its common axis line relative to second lock body 30.And this moment, this second arm 93 of unblanking reached this first upper end of unblanking space 22, and its lower end is concordant or be higher than the bottom surface of this horizontal guide groove 26, i.e. second end face 21 a little.Therefore on the direction of insertion of this theftproof lock key 90, this second end of unblanking arm 93 is positioned at this first unblanks before the initiating terminal of arm 92, and gap therebetween is more than or equal to the distance of 23 of first end face, 21 to second end faces.Need to prove that this horizontal guide groove 26 only is used for guide effect, when not having this horizontal guide groove 26, second of this theftproof lock key 90 arm 93 of unblanking still can be finished above-mentioned functions.This key 90 that moves right is then aimed at this second space 32 of unblanking up to this second end of unblanking arm 93 under the guiding of this horizontal guide groove 26.Toward drop-down this key 90, make this second arm 93 of unblanking be inserted into this and second unblank in the space 32.In addition, when first the unblank arm 92 inserts and puts in place, and this horizontal guide groove 26 misalignments this second when unblanking space 32, can rotate these first lock bodies 20 by key 90, up to making this second space 32 of unblanking of these horizontal guide groove 26 alignings.Further downwards insert this second arm 93 of unblanking, allow its first work plane, 932 extruding the 4th play post 501 and enter this second part of unblanking space 32.Unblank arm 93 when being inserted into downwards when second, and the 4th, the 5th plays post 501,601 just in time is contained in the corresponding the 3rd and plays post counterbore 36 and the 5th and play in the post hole 46, and this moment, second lock body 30 can rotate in this overcoat 40.Rotate second lock body 30 whereby, drive actuator 70 ', thereby can push away or the zip tongue, and then realize unlocking function.

Certainly, this theftproof lock can only pass through this first locked mechanism, and second locked mechanism need not be set, and also can reach anti-theft effect preferably.

In order further to strengthen the anti-theft feature of this theftproof lock, can be on this second work plane 921 to should depression being set first head 103 that plays post 101; Can be arranged to the flank of tooth to should the 4th playing post 501 on this first work plane 932, this first work plane 932 can be by obtaining in this second mode of unblanking to be provided with on the arm 93 raised line or groove.

Figure 45 wherein uses identical label with the first embodiment similar elements to the lock main body 10 ' of the utility model second embodiment theftproof lock shown in Figure 50.Lock main body 10 ' is with the difference of lock main body 10: lock main body 10 ' is the equal of that first lock body 20 and second lock body 30 of the first embodiment theftproof lock are arranged to one.Specifically, the longitudinal section of lock main body 10 ' becomes T-shaped, it up and down is respectively equipped with the first parallel end face 21 ' and second end face 23 ' in two ends, runs through this first end face 21 ' and second end face 23 ' and is respectively equipped with first space 32 ' of unblanking, space 22 ' and second of unblanking.These first space 22 ' and second unblank space 32 shapes, structure of space 22 and second of unblanking of first among space 32 ' and first embodiment of unblanking of unblanking are identical, but concern for the permanent position.Therefore pass this and first unblank space 22 ' and move to and aim at this second space 32 ' of unblanking for the ease of this second arm 93 of unblanking, this second space 32 ' of unblanking should be arranged on this first positive side of unblanking space 22 ', that is this first unblank cross section adjusting to a line in space 32 ' of space 22 ' and second of unblanking is provided with, certainly according to different second arm 93 structures of unblanking, this first unblank space 22 ' and second unblank the cross section in space 32 ' also can the adjusting to a line setting.

Be respectively equipped with first on this lock main body 10 ' and play post hole 28 ' and the 3rd counterbore 36 ', this first play post hole 28 ' and the 3rd counterbore 36 ' respectively with first embodiment in the first bullet post hole 28 and the 3rd counterbore 36 shape, construct identical.

Second end face 23 of this lock main body 10 ' ' go up near its outer circumference surface and cut out annulus downwards, thereby form an outstanding cylinder boss 29 ', so as to be located at overcoat 40 be used to bore a hole in 422.This lock main body 10 ' can directly be installed in second cylindrical hole 421 of overcoat 40, and this goes out cylinder boss 29 ' correspondence and accommodates this and be used to bore a hole in 422.Therefore this lock main body 10 ' is located on this overcoat 40 rotationally.

Second locked mechanism of the second embodiment theftproof lock and the first embodiment difference only are that first, second bullet post hole 28,38 among first embodiment is combined into first among second embodiment and plays post hole 28 ', and therefore corresponding second embodiment, the first bullet post also is that first, second bullet post incorporated first among first embodiment plays post (not shown).

Because the lock main body 10 ' structure of this one, the second embodiment theftproof lock also can save first thrust piece 50 of first embodiment.In addition, the shape of other elements, structure and first embodiment are basic identical, and the operating principle of two embodiment theftproof locks is also identical, needn't give unnecessary details at this.As previously mentioned, this second embodiment theftproof lock also can only pass through this first locked mechanism, and second locked mechanism need not be set, and also can reach antitheft preferably.

Figure 51 to Figure 54 is depicted as the lock main body 10 ' of the 3rd embodiment theftproof lock ', wherein use identical label with first, second embodiment similar elements.Lock main body 10 ' ' be lock main body 10 ' structural change at the second embodiment theftproof lock, thus can be used for padlock.Specifically, the lock main body 10 ' of the 3rd embodiment theftproof lock ' comprise columniform first lock body 20 ' ' and this first lock body 20 ' certainly ' the outside one of outer circumference surface extend cross section be the second fan-shaped lock body 30 ' '.This first lock body 20 ' ' two ends up and down be provided with the first parallel end face 21 ' ' and second end face 23 ' ', run through this first end face 21 ' ' and second end face 23 ' ' be provided with first unblank space 22 ' '.This second lock body 30 ' ' two ends up and down be provided with the 3rd parallel end face 31 ' ' and the 4th end face 33 ' ', run through the 3rd end face 31 ' ' and the 4th end face 33 ' ' be provided with second unblank space 32 ' '.Among this first space 22 ' of unblanking ' with second space 32 ' of unblanking ' and second embodiment first the unblank space 32 ' shape, structure of space 22 ' and second of unblanking is identical, needn't give unnecessary details at this.

This lock main body 10 ' ' on be respectively equipped with first play post hole 28 ' ' and the 3rd counterbore 36 ' ', this first plays post hole 28 ' ' and the 3rd counterbore 36 ' ' respectively with second embodiment in first shape that plays post hole 28 ' and the 3rd counterbore 36 ', construct identically, be that length shortens.

The 4th end face 33 ' wherein ' be higher than in vertical direction second end face 23 ' ', thereby form a cylinder head 29 ' ', be used to bore a hole in 422 with what be contained in overcoat 40.

In addition, in the 3rd embodiment, this actuator 70 ' ' ' and this lock main body 10 ' ' be wholely set.This actuator 70 ' ' ' be the projection shape, and along this first lock body 20 ' ' and this second lock body 30 ' ' surface of a relative side extend upward and exceed this lock main body 10 ' ', its cross section bent angle shape.

In addition, the shape of other elements, structure and second embodiment are basic identical, and the operating principle of two embodiment theftproof locks is also identical, needn't give unnecessary details at this.As previously mentioned, the 3rd embodiment theftproof lock also can only pass through this first locked mechanism, and second locked mechanism need not be set, and also can reach antitheft preferably.

Below further specify the utility model with the lock of concrete application, wherein use identical label with first, second and the 3rd embodiment similar elements.

Figure 55 to Figure 57 is depicted as lock main body 10 structures that the round door lock adopts the first embodiment theftproof lock, as described in first enforcement, after first, second lock body 20,30 is contained in this overcoat 40, limit by 50 of first thrusts that are stuck in these first lock body, 20 upper ends that second lock body 30 moves up and this first lock body 20 moves down.Prevent that by sheet second thrust piece 60 on the 6th end face 43 of being located at this overcoat 40 first, second lock body 20,30 whole overcoats 40 relatively from moving up.The projection 72 ' of this actuator 70 ' is arranged on the 4th end face 33 of this second lock body 30, thereby can prevent this actuator 70 ' and these second thrust piece, 60 interference.

After this door lock assembling, open or pin this second lock body 30 by corresponding key 90, thereby further control the actuator 70 ' of being located at the projection shape on this second lock body 30, realize lock function.This type of door lock need not end cap 80.

Figure 58 to Figure 63 is depicted as circular tapered end, the operating principle of itself and round door lock is basic identical, only be different on component structure, difference is: this second lock body 30 is by end cap 80 annulus second thrust piece 60 to be pressed on its 4th end face 33, prevents that first, second lock body 20,30 whole overcoats 40 relatively from moving up; This actuator 70 is not provided with projection, and directly is that its bottom surface is fixed on the 4th end face 33, and the working portion that 60 pairs of this overcoat 40 and this annulus second thrust pieces should actuators 70 is provided with dead bolt hole 49 and through hole 62, so that this actuator 70 cooperates with dead bolt.After this circle tapered end assembling, beat or pin this circle tapered end by corresponding key 90, control second lock body 30 and rotate, push away dead bolt thereby further control the actuator 70 of being located at the projection shape on this second lock body 30, to realize lock function.

Figure 64 and Figure 65 are depicted as Automotive lock, and its operating principle and this circle tapered end are basic identical.The overcoat 40 ' of this Automotive lock is square, and also is included in this overcoat 40 ' and is provided with dead bolt hole 49 ' one side and outwards is inclined upwardly and extends ligand 47.This ligand 47 is provided with the cross section and is circular passage 471, it is square cover tubular host body 472 that these passage 471 1 sides are provided with the cross section, the square cavities of this host body 472 is accommodated two and roughly is first hammerlock 473 of J-shaped and the relative end of second hammerlock 474, wherein first hammerlock 473 fixedly installs with this host body 472, and the end of this second hammerlock 474 is to accommodate wherein movably.It is jagged auxiliary section 475 that this second hammerlock 474 is provided with the cross section near its end, and each sawtooth comprises inclined plane and vertical plane.

This dead bolt 476 is fixed in the dead bolt hole 49 ' of overcoat 40 ' movably, and is pushed down towards actuator 70 by the 3rd elastic component 477, and an end cooperates with this actuator 70.The other end of this dead bolt 476 also is provided with inclined plane and vertical plane to the inclined plane and the vertical plane of sawtooth on should second hammerlock 474.As described in first embodiment, when being in locking-in state, this actuator 70 will push away this dead bolt 476, so that the inclined plane of the inclined plane of this dead bolt 476 and vertical plane and this second hammerlock 474 and vertical plane fasten, thereby pin second hammerlock 474, this moment, the 3rd elastic component 477 was compressed at utmost.When Automotive lock is opened, this actuator 70 no longer withstands this dead bolt 476.Therefore the 3rd elastic component 477 will drive this dead bolt 476 and move away from this second hammerlock 474, separate up to the inclined plane of this dead bolt 476 and vertical plane inclined plane and the vertical plane with this second hammerlock 474, thereby open this second hammerlock 474.

Figure 66 to Figure 67 is depicted as padlock, and this padlock adopts the lock main body 10 ' of the theftproof lock of the 3rd embodiment ' structure.This lock main body 10 ' ' overcoat 40 ' ' is cuboid, this overcoat 40 ' ' both sides are provided with first, second accepting groove 451,452, accommodate first, second end of the hammerlock 453 of U-shaped.Wherein first end of this U-shaped hammerlock 453 is limited in this first accepting groove 451 movably, and is provided with compression second spring 454 between first end of the bottom of this first accepting groove 451 and this U-shaped hammerlock 453.Second end of this U-shaped hammerlock 453 can be accommodated in this second accepting groove 452, and outside extended this second accepting groove 452.The overcoat 40 ' of this padlock ' dead bolt hole 49 ' ' connects with this second accepting groove 452, and dead bolt 455 is located at this dead bolt hole 49 ' ' in, by the 4th elastic component 456 with this dead bolt 455 towards actuator 70 ' ' ' direction press this dead bolt 455.As described in the 3rd embodiment, when being in locking-in state, this actuator 70 ' ' ' will push away this dead bolt 455, so that these dead bolt 455 parts enter in the opening 457 of second end of this U-shaped hammerlock 453, thereby pin this U-shaped hammerlock 453, this moment, the 4th elastic component 456 was compressed at utmost.When padlock is opened, this actuator 70 ' ' ' no longer withstand this dead bolt 455, therefore the 4th elastic component 456 will drive this dead bolt 455 and move away from second end of this U-shaped hammerlock 453, withdraw from the opening 457 of second end of this U-shaped hammerlock 453 up to this dead bolt 455, thereby open this U-shaped hammerlock 453.

Figure 68 to Figure 70 is depicted as the bicycle lock, and this bicycle lock adopts lock main body 10 structures of the theftproof lock of first embodiment, but has two actuators 70.The overcoat 40 ' of bicycle lock ' ' both sides are provided with first, second accepting groove 451 ', 452 ', accommodate first, second end of the hammerlock 453 ' of U-shaped.Wherein first, second end of this U-shaped hammerlock 453 ' can be locked in this first, second accepting groove 451 ', 452 ', and can extract out outside this first, second accepting groove 451 ', 452 '.The overcoat 40 ' of this padlock ' ' both sides be provided with dead bolt hole 49 ' ' ', this two dead bolt hole 49 ' ' ' connect with this first, second accepting groove 451 ', 452 ' respectively.Each dead bolt hole 49 ' ' ' in be provided with dead bolt 455 ', by the 5th elastic component 456 ' this dead bolt 455 ' is pressed this dead bolt 455 ' towards the direction of actuator 70.As described in first embodiment, when being in locking-in state, this actuator 70 will push away this two dead bolt 455 ', so that this dead bolt 455 ' part enters in the opening 457 ' of first, second end of corresponding hammerlock 453 ', thereby pin this U-shaped hammerlock 453 ', this moment, the 5th elastic component 456 ' was compressed at utmost.When padlock is opened, this actuator 70 no longer withstands this dead bolt 455 ', therefore the 5th elastic component 456 ' will drive this dead bolt 455 ' and move away from first, second end of this U-shaped hammerlock 453 ' respectively, withdraw from the opening 457 ' of first, second corresponding end up to this dead bolt 455 ', thereby open this U-shaped hammerlock 453 '.

Although the utility model is disclosed by above embodiment, but scope of the present utility model is not limited thereto, do not departing under the condition of the utility model design, more than each element and construct available under technical field personnel similar or equivalent element or the structure understood replace.

Claims (10)

1. mechanical anti-theft lock, comprise overcoat and be located at this outer lock main body that puts rotationally, it is characterized in that, this lock main body has the key insertion end and key is inserted out end, this lock main body is provided with passes through this and wears key insertion end and this key and insert out first of the end space of unblanking, this key is inserted out end and is offered second space of unblanking, and this mechanical anti-theft lock also comprises and passes this first space of unblanking and match to control first locked mechanism that this lock main body is rotated to insert this second first work plane of unblanking the key in the space.

2. mechanical anti-theft lock as claimed in claim 1 is characterized in that, this theftproof lock comprises and inserts described first and unblank that second work plane of key matches to control second locked mechanism that described lock main body is rotated in the space.

3. mechanical anti-theft lock as claimed in claim 2, it is characterized in that, the described outer accepting hole that is arranged with, described lock main body comprises to be located at first lock body in this accepting hole and to be sheathed on this first lock body rotationally and to be contained in second lock body in the described accepting hole, this first lock body is positioned at described key insertion end and key and inserts out end and be respectively equipped with first end face and second end face, this second lock body is positioned at described key insertion end and key and inserts out end and be respectively equipped with the 3rd end face and the 4th end face, this first end face and the second end face setting are run through in described first space of unblanking, and described second space of unblanking is opened on the 4th end face.

4. mechanical anti-theft lock as claimed in claim 3, it is characterized in that, described accepting hole is cylindrical, described first lock body is the axle shape, described second lock body is the cylindrical sleeve tubular, the internal diameter of described accepting hole is identical with the external diameter of described second lock body, the external diameter of described first lock body is identical with the internal diameter of described second lock body, described first space of unblanking is rectangular-shaped and along the axis setting of first lock body of this shape, and described second space of unblanking is that cross section is L shaped through hole or groove and be arranged in parallel with the axis of this first lock body.

5. mechanical anti-theft lock as claimed in claim 4, it is characterized in that, described first locked mechanism comprises that the 3rd plays the post counterbore, the 5th plays the post hole, correspondence is contained in the 3rd and plays the post counterbore, the 5th plays the 4th in the post hole plays post, the 5th bullet post and elasticity are pushed down the 5th and are played post to play post with the 4th, the 5th plays the post elastic limit plays the post counterbore in the 3rd, the 5th plays first elastic component in the post hole, wherein the 3rd play the axis of vertical this first lock body of post counterbore and be located on the outer circumference surface of this second lock body and connect and be provided with this second space of unblanking, the 5th plays the post hole be located at this outer putting to should the 3rd playing the post counterbore; Described second locked mechanism comprises that first plays the post hole, second plays the post hole, the 4th plays the post hole, correspondence is contained in this first bullet post hole, second plays first in post hole and the 4th bullet post hole plays post, second plays post, the 3rd bullet post and elasticity are pushed down the 3rd and are played post to play post with first, second plays post, the 3rd plays post is limited in this first bullet post hole, second plays the post hole, the 4th plays second elastic component in the post hole, wherein this first plays the axis of vertical this first lock body in post hole and is located on this first lock body and connects and be provided with this first space of unblanking, this second bullet post hole is to being located on this second lock body in the first bullet post hole, the 4th plays the post hole to should being located at this outer putting in the second post hole, and this first plays post and can partly stretch into this first unblank space and be limited to this movably and first play in post hole.

6. mechanical anti-theft lock as claimed in claim 2, it is characterized in that, the described outer cylindrical accepting hole that is arranged with, described lock main body is a shape and can cooperates with this accepting hole around rotational ground, described lock main body is positioned at described key insertion end and key and inserts out end and be respectively equipped with first end face and second end face, this first end face and the second end face setting are run through in described first space of unblanking, and described first space of unblanking is rectangular-shaped and along this axis setting, described second space of unblanking is opened on this second end face, and described second space of unblanking is that cross section is L shaped through hole or groove and be arranged in parallel with this axis.

7. mechanical anti-theft lock as claimed in claim 2, it is characterized in that, the described outer accepting hole that is arranged with, described lock main body can around a rotational be located in this accepting hole, described lock main body comprise cylindric first lock body and certainly the outside one of this first lock body outer circumference surface extend projection shape second lock body, this first lock body is positioned at described key insertion end and key and inserts out end and be respectively equipped with first end face and second end face, this second lock body is positioned at described key insertion end and key and inserts out end and be respectively equipped with the 3rd end face and the 4th end face, this first end face and the second end face setting are run through in described first space of unblanking, and described first space of unblanking is rectangular-shaped and along this axis setting, described second space of unblanking is opened on the 4th end face, and described second space of unblanking is that cross section is L shaped through hole or groove and be arranged in parallel with this axis.

8. as claim 6 or 7 described mechanical anti-theft locks, it is characterized in that, described first locked mechanism comprises that the 3rd plays the post counterbore, the 5th plays the post hole, correspondence is contained in the 3rd and plays the post counterbore, the 5th plays the 4th in the post hole plays post, the 5th bullet post and elasticity are pushed down the 5th and are played post to play post with the 4th, the 5th plays the post elastic limit plays the post counterbore in the 3rd, the 5th plays first elastic component in the post hole, wherein the 3rd play vertical this axis of post counterbore and be located on the outer circumference surface of this lock main body and connect and be provided with this second space of unblanking, the 5th plays the post hole be located at and put outside this should the 3rd playing the post counterbore; Described second locked mechanism comprises that first plays post hole and the 4th bullet post hole, correspondence is contained in this first first bullet post that plays in post hole and the 4th bullet post hole, the 3rd bullet post and elasticity are pushed down the 3rd and are played post to play post with first, the 3rd plays post is limited in this first bullet post hole, the 4th plays second elastic component in the post hole, wherein this first plays vertical this axis in post hole and is located on this lock main body and connects setting with this first space of unblanking, the 4th plays the post hole to should being located at this outer putting in the first post hole, and this first plays post and can partly stretch into this first unblank space and be limited to this movably and first play in post hole.

9. mechanical anti-theft lock key, it is characterized in that, has first the unblank arm and be located at this and first unblank on the arm and this first second arm of unblanking of unblanking that arm extends back relatively, be positioned at this at this second end of unblanking arm on the direction of insertion of this mechanical anti-theft lock key and first unblank before the initiating terminal of arm, this second arm of unblanking is provided with first work plane.

10. mechanical anti-theft lock key as claimed in claim 9, it is characterized in that, described first arm of unblanking is provided with second work plane, and described first arm and the described second arm integral body of unblanking of unblanking is J-shaped, and described first arm and described second arm of unblanking of unblanking keeps at a certain distance away and be arranged in parallel.

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