CN2761775Y - Improved structure of cylinder lock - Google Patents

Abstract

The utility model relates to an improved structure of a cylinder lock, which comprises a lock sleeve, a lock liner and a key. In addition, a clamping ring which is made of elastic materials is arranged at the same end of the lock sleeve and the lock liner, and the clamping ring comprises a clamping ring, two clamping sheets and a clamping bar. Additionally, corresponding to the key hole between the lock sleeve and the lock liner, the key is provided with an opening part and a driven handle. Through the improved structure, the purpose of enhancing the antitheft performance of the lock set is obtained.

Description

The structural improvement of cylinder type tapered end

Technical field

The utility model relates to a kind of mechanical lock head, is meant that especially a kind of structure to the cylinder type tapered end carries out improved technical scheme, to reach the purpose that the mechanical type ball lock head of the better anti-theft effect of a kind of tool is provided by this technical scheme.

Background technology

As everyone knows, lock, as a kind of anti-theft tool because relate to broad masses of the people's the person and property safety, always be subjected to the Chinese government and the people's extensive concern, and traditional mechanical lock particularly cylinder lock be subjected to the Chinese government especially and the people pay close attention to especially because the popularity of its application.

Along with the development of society, the improving constantly of our living standard, but steal also continuous expanding of molecule, and because of traditional cylinder lock is thoroughly cracked by the pilferage technology, the security performance of lockset faces very big challenge, and our property also is subjected to unprincipled fellow's threat.

Why so savage the unprincipled fellow is, is crime means so terrible? to continuing to use main product-mechanical billiard structure lockset for many years in the world, study completely, and the expert that unblanks of all circles, the lockmaking expert, scholar's labor is learnt, the tradition billiards lock structure becomes to arrange along axle, lock respectively by pellet shot from a slingshot up and down, no matter be cross, yi word pattern etc., learn through analysis of experiments: if the pellet shot from a slingshot of this lock is the differential just 0.4-0.5mm between No. three or No. four pellets shot from a slingshot and the pellet shot from a slingshot, when false key inserts keyhole, No. one the pellet shot from a slingshot top is on the line of demarcation between shell and the lock core, there is not locking action, the top of No. two pellets shot from a slingshot is by there being 0.4-0.5mm to enter in the shell aperture in theory, if entering that machining accuracy is relatively poor has only 0.2-0.3mm in the shell, press in being subjected to the gap is intensive through twisting No. two pellets shot from a slingshot, it also is the ability that does not have locking, whole lock core and shell just lean on No. three or No. four pellets shot from a slingshot block, again because of, cross, yi word pattern key mouth space is big, if the diameter of pellet shot from a slingshot is within 3mm, all can't resist the violence twisting of false key, limited because of encoding again, the same Key machine of No. three or No. four can be big, so it is almost the same with original key the speed of theft often to occur.

Again, cylinder lock is described below its structure as a kind of common lockset is existing, common cylinder lock head locks lock core by pellet shot from a slingshot and rotates, and each the pellet shot from a slingshot group in the lock is by two compositions, when unblanking, the contact surface of two pellets shot from a slingshot overlaps with the contact surface of lock core and lock body, lock core can rotate relative to lock body, and during locking, the contact surface of two pellets shot from a slingshot does not overlap with the contact surface of lock core and lock body, because the barrier effect of pellet shot from a slingshot, lock core cannot rotate; This problem that is latched in is, open with the unlocking tool cover of non-matching key easily, as master key, Unlocking gun etc., because two pellets shot from a slingshot that these unlocking tool heads can make each pellet shot from a slingshot group are one by one in the dislocation of the contact surface place of lock core and lock body, all overlap with the contact surface of lock core and lock body until their contact surface.

And, disclosed a kind of anti-theft cylinder lock and key among the Chinese patent CN1117911C.Its structure is mainly, tapered end has the locking device that the control lock core after the improvement rotates, this locking device mainly is made up of pellet shot from a slingshot, locking side column, one circle V-type groove is all arranged on each pellet shot from a slingshot, key all overlaps or dislocation the V-type groove of pellet shot from a slingshot, drive locking side column and move, thereby the control lock core rotates or be stuck, lockhole is positioned at the edge of lock core, and the installation site of shift fork is not on lockhole.There are tartar and gathering sill in the front of its spoon of the key sheet that matches with the tapered end lockhole, and reverse side is circular-arc.This cylinder lock has better safety and theftproof than the prior mechanical cylinder lock, and still, this lock only has a locking newel post, for sledge lock still than being easier to.

Again, disclosed a kind of cylinder type anti-theft lock end among the Chinese patent CN2637651Y, its structure is mainly, this tapered end comprises a lock tube, a lock gall, and by be arranged on the locking pellet shot from a slingshot assembly between this lock tube and this lock gall and the locking mechanism that the cylinder type locking pellet shot from a slingshot actuating assembly be subjected to key control forms is set in this lock gall and be arranged on this lock tube and this lock gall between detent mechanism.This utility model can be on the basis that effectively prevents technical unlocking, easy to use and can avoid there is not blocked accident between this lock gall and the tapered end, but, draw-in groove is only arranged one on the pellet shot from a slingshot of this lock, if so run into the sub-habitual offender of theft, or the personnel of the abundant experience of unblanking of other tools, this cylinder type anti-theft lock end can not guarantee not pried open fully.

In sum, the mechanical type ball lock head of generally commonly using all has many shortcomings usually, and existing division is as follows:

One, as can be known above-mentioned, the mechanical type ball lock head of commonly using usually all is because the restriction of its structure design has caused the decline of its theftproof performance, and this is one of shortcoming of the mechanical type ball lock head commonly used.

Two, the mechanical type ball lock head of commonly using, shackle all be to adopt semicircular structure usually, and the phenomenon that comes off often appears in this kind structure in actual applications, and this be the mechanical type ball lock head commonly used shortcoming two.

Summary of the invention

Creator of the present utility model is in order to solve the structural shortcoming of commonly using of mechanical type ball lock head, and through hammer away, practice for many years has the structural improvement of the utility model cylinder type tapered end to be born finally.

The utility model provides a kind of structural improvement of cylinder type tapered end, and plants structure improved mode thus to reach by theftproof performance that improves tapered end and then the purpose that improves whole lock body theftproof performance, and this is for creating main purpose of the present utility model.

The utility model provides a kind of structural improvement of cylinder type tapered end, and plants structure improved mode thus and overcome the phenomenon that tapered end comes off from the lock body easily to reach, and this is creation another purpose of the present utility model.

In order to solve above technical problem, technical solution adopted in the utility model is: the structural improvement that a kind of cylinder type tapered end is provided, it comprises a lock tube, one lock gall and a key, wherein, offer a lock gall hole and a hole clipping in this lock tube, nationality is determined a ccontaining sky by this lock gall hole and is asked again, and this lock gall is to place this accommodation space, and it comprises a card body, one locking unit and chucking unit, a location, wherein, this card body has an external surface, and on this external surface, inwardly offer a space, and this locking unit and this locator card clamping unit, be to place in regular turn from left to right in this space, wherein, this locking unit comprises a card and some pellet shot from a slingshot groups, and this card is with respect to the hole clipping of this lock tube and be located in this space, the one end can match with the hole clipping of this lock tube, and be convexly equipped with out some projectioies with respect to some these pellet shot from a slingshot groups on its other end, this pellet shot from a slingshot group comprises a pellet shot from a slingshot and a spring again, wherein, this pellet shot from a slingshot is perpendicular and be located in this space with this card, it comprises a upper surface, one lower surface and an external surface, wherein, this upper surface is corresponding with the keyhole between this lock tube and this lock gall, and this lower surface is connected with this spring, be provided with a bullet groove with respect to some these projectioies on one of this card end on this external surface again, on this external surface, can offer some false grooves again in the both sides of this bullet groove

This locator card clamping unit, comprise a horizontal gripping mechanism and a vertical gripping mechanism, wherein, this horizontal gripping mechanism has a hoodle and a spring, and this hoodle is corresponding with the hole clipping of this lock tube, and this vertical gripping mechanism has a pellet shot from a slingshot and a magnet assembly, wherein, one end of this pellet shot from a slingshot be with this lock tube and this lock gall between this keyhole corresponding, and its other end is to match with this magnet assembly, this magnet assembly is the locking hole that places this lock tube again;

Again, same end in this lock tube and this lock gall is provided with a snap ring, and it is to make with elastomeric material, and it comprises a snap ring, two cards and a card article, wherein two these cards are to be connected with two ends of this snap ring respectively, and this card article is to be connected with the middle part of this snap ring;

At last, corresponding with this keyhole between this lock tube and this lock gall, this key has an open portion and and is subjected to handle, wherein, this open portion has a upper surface and a lower surface, and the profile of this upper surface is corresponding with this keyhole, and the pellet shot from a slingshot of vertical gripping mechanism of the upper surface of the profile of its soffit and the pellet shot from a slingshot of this locking unit and this locator card clamping unit is corresponding again, and this soffit has one first circular arc, one second circular arc and a tartar axle again.

The beneficial effects of the utility model are: (1) structure design by improving tapered end is to improve the theftproof performance of whole lock body; (2) reach by the improvement on the lock head structure one and overcome the phenomenon that tapered end comes off from the lock body easily.

Description of drawings

Fig. 1 is a horizontal section schematic diagram of the present utility model;

Fig. 2 is the horizontal section schematic diagram of lock tube of the present utility model;

Fig. 3 is the horizontal section schematic diagram of lock gall of the present utility model;

Fig. 4 is the combination horizontal section schematic diagram of lock gall of the present utility model, locking unit and locator card clamping unit;

Fig. 5 is lock tube of the present utility model and lock gall combination longitudinal profile schematic diagram;

Fig. 6 is the utility model W-W shown in Figure 1 generalized section when opening;

Fig. 7 is the utility model W-W shown in Figure 1 generalized section when locking;

Fig. 8 is a pellet shot from a slingshot schematic diagram of the present utility model;

Fig. 9 is the utility model Y-Y shown in Figure 1 generalized section when opening;

Figure 10 is the utility model Y-Y shown in Figure 1 generalized section when locking;

Figure 11 is a key schematic diagram of the present utility model;

Figure 12 is the another schematic diagram of key of the present utility model;

Figure 13 is that the Q-Q of key of the present utility model shown in Figure 12 is to generalized section;

Figure 14 is that the G-G of key of the present utility model shown in Figure 12 is to generalized section;

Figure 15 is a snap ring schematic diagram of the present utility model.

The specific embodiment

A kind of structural improvement of cylinder type tapered end, it comprises a lock tube 1, a lock gall 2 and a key 3, wherein, offers a lock gall hole 4 and a hole clipping 5 in this lock tube 1, nationality is determined an accommodation space A by this lock gall hole 4 again,

And this lock gall 2 is to place this accommodation space A, and it comprises a card body 6, a locking unit 7 and chucking unit 8, a location, wherein, this card body 6 has an external surface 9, and on this external surface 9, inwardly offer a space B, and this locking unit 7 and this locator card clamping unit 8 are to place in regular turn from left to right in this space B, wherein

This locking unit 7 comprises a card 10 and some pellet shot from a slingshot groups 11, and this card 10 is with respect to the hole clipping 5 of this lock tube 1 and be located in this space B, one end 12 can match with the hole clipping 5 of this lock tube 1, and be convexly equipped with out some protruding 14 with respect to some these pellet shot from a slingshot groups 11 on its other end 13, this pellet shot from a slingshot group 11 comprises a pellet shot from a slingshot 15 and a spring 16 again, wherein, this pellet shot from a slingshot 15 and this card 10 are perpendicular and be located in this space B, it comprises a upper surface 17, one lower surface 18 and an external surface 19, wherein, this upper surface 17 is corresponding with the keyhole C between this lock tube 1 and this lock gall 2, and this lower surface 18 is connected with this spring 16, should projection 14 be provided with a bullet groove 20 with respect to some on one of this card 10 end 13 on this external surface 19 again, on this external surface 19, can offer some false grooves 21 again in the both sides of this bullet groove 20

This locator card clamping unit 8, comprise a horizontal gripping mechanism 22 and a vertical gripping mechanism 23, wherein, this horizontal gripping mechanism 22 has a hoodle 24 and a spring 25, and this hoodle 24 is corresponding with the hole clipping 5 of this lock tube 1, and this vertical gripping mechanism 23 has a pellet shot from a slingshot 26 and a magnet assembly 27, wherein, one end of this pellet shot from a slingshot 26 is corresponding with this keyhole C that asks of this lock tube 1 and this lock gall 2, and its other end is to match with this magnet assembly 27, and this magnet assembly 27 is the locking holes 28 that place this lock tube 1 again;

Again, be provided with a snap ring 29 in the same end of this lock tube 1 and this lock gall 2, it is to make with elastomeric material, and it comprises a snap ring 30, two cards 31 and card articles 32, wherein two these cards 31 are to be connected with two ends of this snap ring 30 respectively, and this card article 32 is to be connected with the middle part of this snap ring 30;

At last, corresponding with this keyhole C between this lock tube 1 and this lock gall 2, this key 3 has an open portion 33 and one handle 34, wherein, this open portion 33 has a upper surface 35 and a lower surface 36, and the profile of this upper surface 35 is corresponding with this keyhole C, the pellet shot from a slingshot 26 of vertical gripping mechanism 23 of the upper surface 17 of the profile of its soffit 36 and the pellet shot from a slingshot 15 of this locking unit 7 and this locator card clamping unit 8 is corresponding again, this soffit 36 has one first circular arc 37 again, one second circular arc 38 and a tartar axle 39, wherein, this first circular arc 37 is 0.6-0.7mm with the minimum spacing of this second circular arc 38, key both ends of the surface gradient K1 is the 4-5 degree, key corners of the mouth degree K2 is the 30-45 degree, and key tooth flower angle K3 is the 94-100 degree, and nationality by above structural improvement to reach the purpose that improves this lockset theftproof performance.

Claims (4)

1. the structural improvement of a cylinder type tapered end, comprise a lock tube, one lock gall and a key, it is characterized in that, offer a lock gall hole and a hole clipping in this lock tube, nationality is determined an accommodation space by this lock gall hole again, and this lock gall is to place this accommodation space, and it comprises a card body, one locking unit and chucking unit, a location, wherein, this card body has an external surface, and on this external surface, inwardly offer a space, and this locking unit and this locator card clamping unit, be to place in regular turn from left to right in this space, wherein, this locking unit comprises a card and some pellet shot from a slingshot groups, and this card is with respect to the hole clipping of this lock tube and be located in this space, the one end can match with the hole clipping of this lock tube, and be convexly equipped with out some projectioies with respect to some these pellet shot from a slingshot groups on its other end, this pellet shot from a slingshot group comprises a pellet shot from a slingshot and a spring again, wherein, this pellet shot from a slingshot is perpendicular and be located in this space with this card, it comprises a upper surface, one lower surface and an external surface, wherein, this upper surface is corresponding with the keyhole between this lock tube and this lock gall, and this lower surface is connected with this spring, is provided with a bullet groove with respect to some these projectioies on one of this card end on this external surface again, can offer some false grooves in the both sides of this bullet groove again on this external surface;

This locator card clamping unit, comprise a horizontal gripping mechanism and a vertical gripping mechanism, wherein, this horizontal gripping mechanism has a hoodle and a spring, and this hoodle is corresponding with the hole clipping of this lock tube, and this vertical gripping mechanism has a pellet shot from a slingshot and a magnet assembly, wherein, one end of this pellet shot from a slingshot be with this lock tube and this lock gall between this keyhole corresponding, and its other end is to match with this magnet assembly, this magnet assembly is the locking hole that places this lock tube again;

Again, be provided with a snap ring in the same end of this lock tube and this lock gall, it comprises a snap ring, two cards and a card article;

At last, corresponding with this keyhole between this lock tube and this lock gall, this key has an open portion and and is subjected to handle, wherein, this open portion has a upper surface and a lower surface, and the profile of this upper surface is corresponding with this keyhole, and the pellet shot from a slingshot of vertical gripping mechanism of the upper surface of the profile of its soffit and the pellet shot from a slingshot of this locking unit and this locator card clamping unit is corresponding again, and this soffit has one first circular arc, one second circular arc and a tartar axle again.

2. according to the structural improvement of the described cylinder type tapered end of claim 1, it is characterized in that: the magnet assembly of this vertical gripping mechanism has on one magnetic patch and magnetic patch once.

3. according to the structural improvement of the described cylinder type tapered end of claim 1, it is characterized in that: this snap ring, it is to make with elastomeric material, and it comprises a snap ring, two cards and a card article, wherein two these cards are to be connected with two ends of this snap ring respectively, and this card article is to be connected with the middle part of this snap ring.

4. according to the structural improvement of the described cylinder type tapered end of claim 1, it is characterized in that: first circular arc of this key and the minimum spacing of its second circular arc are 0.6-0.7mm, this key both ends of the surface gradient is the 4-5 degree, and this key corners of the mouth degree is the 30-45 degree, and this key tooth flower angle is the 94-100 degree.

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