CN203559639U

CN203559639U - Mechanical anti-theft lock cylinder

Info

Publication number: CN203559639U
Application number: CN201320709002.9U
Authority: CN
Inventors: 唐红兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-11-11
Filing date: 2013-11-11
Publication date: 2014-04-23
Anticipated expiration: 2023-11-11

Abstract

The utility model provides a mechanical anti-theft lock cylinder which comprises a lock cylinder, a lock cylinder sleeve and L-shaped locking pieces, wherein straight grooves communicated with lock holes are formed in the outer wall of the lock cylinder in the axial direction, and springs are arranged at the bottom ends of the straight grooves; through grooves in the axial direction as well as transverse grooves perpendicular to the through grooves are formed in the inner wall of the lock cylinder sleeve; a long arm of each L-shaped locking piece is mounted in each straight groove, a short arm is perpendicular to the axial direction of the lock cylinder and extends out of the outer surface of the lock cylinder, and when the end part of the short arm of the L-shaped locking piece is located in each transverse groove, the lock cylinder can rotate relative to the lock core sleeve so as to open the anti-theft lock. According to the mechanical anti-theft lock cylinder, the travel motion direction of the locking piece is consistent with the key inserting direction, the travel motion direction of a pin tumbler of the conventional mechanical lock is changed, so that under the condition that the lock body size is unchanged, the effective travel of the locking piece can be multiple times of that of the pin tumbler of the conventional mechanical lock, the key quantity of the anti-theft lock is greatly increased, and a master key and technical unlocking can be prevented effectively; and furthermore, the L-shaped locking pieces are made of a stainless steel material with extremely high rigidity, and the violent damage is prevented.

Description

Mechanical anti-theft lock core

Technical field

The utility model relates to lock core.

Background technology

Common lock mainly contains two kinds of mechanical lock and electronic locks in the market, mechanical lock is take cylinder lock as main, the stroke of common cylinder lock pellet is perpendicular to the stroke of the axial and key of lock core, by the row and the every row's number that increase pellet, increase the difficulty of unblanking, thereby improve the theftproof performance of lock, but in fact, the effective travel of pellet is subject to the restriction of lock body size, in general, the effective travel of pellet is 2 ~ 3mm, so small effective travel is easy to just be opened in the presence of vibration to a certain degree or other human factors, this is also the frequent reason occurring of master key, and, the row and the every row's number that increase pellet will inevitably cause the lock body size of pellet and the increase of quality, make lock body internal construction complexity, lock body is thick and heavy, electronic lock is the emerging product under high-tech impact, its delicate structure, theftproof performance is good, but working environment is had relatively high expectations, can be waterproof and dampproof unlike mechanical lock, electric device wherein is easily corroded, Acidity of Aikalinity in environment changes the performance that even all can have influence on electronic lock, and, need to just can work having electric in the situation that, for example be arranged on the electronic lock on esidential building door, adopt battery can increase volume and the cost of electronic lock, directly be communicated with the impact that residential electricity consumption is powered again, when unexpected power failure, can cause user to perplex greatly.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of mechanical anti-theft lock core, and it is simple in structure, dependable performance.

The technical scheme that the utility model technical solution problem adopts is: mechanical anti-theft lock core, comprise lock core and the lock core cover that is set in described lock core periphery, one end of described lock core is provided with lockhole, the outer wall of described lock core is provided with straight trough vertically, described lockhole is connected with described straight trough, and the bottom of described straight trough is provided with spring, the inwall of described lock core cover is provided with groove vertically, and the inwall of described lock core cover is provided with the translot perpendicular to described groove, described anti-theft lock also comprises L-type lock, long-armed being arranged in described straight trough of described L-type lock, described L-type lock sub galianconism perpendicular to described lock core axially, and stretch out in the external surface of described lock core, when the end that described L-type is locked sub galianconism is positioned at described translot, thereby described lock core can rotate and open theftproof lock relative to described lock core cover, when theftproof lock is locked, L-type is locked in the groove that sub galianconism extend out to lock core cover inwall, limited relatively rotating between lock core and lock tube, when key inserts, L-type is locked to the sub residing position of galianconism overhead translot, L-type is locked sub galianconism and can in the scope of translot, be rotated, now lock is in open mode, after key is extracted, due to the restoring force effect of spring, L-type is locked sub galianconism and is left within the scope of translot, theftproof lock is in locking state.

When adopting technique scheme, the utility model is further technical scheme below can also adopting or combine and adopting:

The outer wall of described lock core is provided with one or more straight troughs, and the inwall of described lock core cover is provided with the one or more grooves corresponding with described one or more straight troughs, and it is identical and corresponding one by one with the quantity of described straight trough or groove that described L-type is locked sub number.Straight trough, groove and L-type can be set in the utility model according to actual needs and lock sub number, multiple L-type lock can increase the theftproof performance of lock, further reduce the possibility that non-original key is unblanked.

The shaft section of described lock core is in T shape, described lockhole is arranged on one end of T font head, one end of described lock core cover is provided with the boss corresponding with described T font head, during installation, the T font afterbody of lock core stretches in described lock core cover, the Surface Contact of T font head and boss, the end face of the end face of T font head and lock core cover.

The end face of the T font head of described lock core is provided with locating hole, and locating hole plays indication key direction of insertion and extracts the effect of the position of key, and the position that key only forwards appointment to just can be pulled out, and key can not pulled out in other positions.

The outer wall of the T font afterbody of described lock core is provided with jump-ring slot, and described jump-ring slot is used for installing jump ring, after lock core, lock core cover and the assembling of lock are complete, jump ring is arranged in draw-in groove, makes lock core and lock core cover fixing in the axial direction.

Described L-type lock adopts stainless steel material to make; L-type lock that stainless steel material is made has high hardness; when lock core is subject to as external shock power such as electric drills; because locking sub-diameter, only have several millimeters and very hard; rear portion has again stage clip to withstand; compressiblely can eject again; L-type lock quite even higher with drill bit hardness stoping advancing of drill bit as spur in hard meat; play the effect of the whole lock body of protection; and L-type lock is because its volume is tiny; consumptive material is few, and its cost increasing is very limited.

Described lock core and lock core cover are made of copper, and also can adopt aluminium or stainless steel material to make, and lock core and lock core cover are as the parts that account for the most of volume of theftproof lock, adopt common copper or aluminum to make, cost is low, easy to process, stable performance, is extremely suitable for industrial production; Also can be according to the demand of particular application, adopt stainless steel material to make.

Described anti-theft lock is also provided with and the unique corresponding key of described anti-theft lock, described key has the tooth that can stretch into described lockhole and described one or more L-type lock top is positioned to described translot to described galianconism, tooth stretches in lockhole, whole L-type lock is all pushed up to the residing position of translot, and theftproof lock can be opened.

Described anti-theft lock is provided with location pellet, described location pellet can be along the direction activity of inserting perpendicular to described key between described lock core and described lock core cover, the described spacer that is provided with on the key, the surface of described spacer is provided with the arc groove matching with described location pellet.When key is extracted, location pellet is because the gravity of self falls to naturally between lock core and lock core cover, when key inserts, to locate upwards jack-up of pellet, when key is inserted into lockset position of coupler, location pellet slips in arc groove, do not affect relatively rotating and unblanking of lock core and lock core cover, simultaneously the key pellet that is also positioned is locked in lock core, only have when key and lock core go to positioning ejection pilot trench that lock core and lock core put and be connected, the upwards resilience of location pellet, key just can be extracted, this mode has further increased the security performance of theftproof lock, also can protect key and lock core simultaneously.

Described location pellet is arranged on described anti-theft lock by retainer spring or chute, and location pellet can be arranged in lock core cover by retainer spring, also can be arranged on lock core by movable sliding.

The beneficial effects of the utility model are: it is consistent with the direction of insertion of key in anti-theft lock of the present utility model, to lock sub stroke motion direction, changed the stroke motion direction of pellet in traditional mechanical lock, make the in the situation that of lock body size constancy, in the utility model, lock the several times that sub effective travel can be pellet stroke in traditional mechanical lock, greatly increased the secret key amount of theftproof lock, can effectively prevent master key and technology unlocking, and, along lock core shaft, to L-type lock arranging, adopt the stainless steel material of extreme hardness to make, can also play the effect of anti-violence damage.

In sum, anti-theft lock of the present utility model had both possessed that traditional mechanical lock is waterproof and dampproof, Stability Analysis of Structures, advantage that environmental suitability is strong, greatly improved again the theftproof performance of mechanical lock, technology unlocking and master key do not have effect to theftproof lock of the present utility model, also there is anti-riot performance, be a kind of compliance anti-theft lock very widely, utilize this lock core can make various locks, there is good development prospect.

Accompanying drawing explanation

Fig. 1 is the axial sectional view of the lock core of embodiment 1.

Fig. 2 is the right view of Fig. 1.

Fig. 3 is the left view of Fig. 1.

Fig. 4 and Figure 14 are the axial sectional view of lock core cover of the present utility model.

Fig. 5 is the right view of Fig. 4.

Fig. 6 is the left view of Fig. 4.

Fig. 7 and Figure 17 are the axial sectional view of anti-theft lock of the present utility model.

Fig. 8 is the right view of Fig. 7.

Fig. 9 is the left view of Fig. 7.

Figure 10 is the axial sectional view of the lock core of embodiment 2.

Figure 11 is the A-A place sectional view of Figure 10.

Figure 12 is the right view of Figure 10.

Figure 13 is the left view of Figure 10.

Figure 14 is the axial sectional view of the lock core cover of embodiment 2.

Figure 15 is the right view of Figure 14.

Figure 16 is the left view of Figure 14.

Figure 17 is the axial sectional view of the anti-theft lock of embodiment 2.

Figure 18 is the right view of Figure 17.

Figure 19 is the left view of Figure 17.

The front view of a kind of key that Figure 20 joins for anti-theft lock of the present utility model.

Figure 21 is the left view of Figure 20.

Figure 22 is a kind of mounting structure of spacer and location pellet.

Figure 23 is the similar alternative arrangements of spacer and location pellet.

The specific embodiment

Embodiment 1, with reference to accompanying drawing 1-9,22,23.

Anti-theft lock of the present utility model comprises lock core 1 and is set in the lock core cover 2 of lock core 1 periphery, lock core 1 is cylindrical on the whole, the axial middle section of lock core 1 is in T shape, on the inwall of lock core cover 2, there is the boss 4 corresponding with the T font head 3 of lock core 1, when lock

core

1 and 2 assembling of lock core cover, the T font afterbody 5 of lock core 1 stretches in lock core cover 2, and the Surface Contact of T font head 3 and boss 4, the end face of the end face of T font head 3 and lock core cover 2.

The end face of the T font head 3 of lock core 1 is provided with lockhole 6, the outer wall of lock core 1 is provided with multiple along its axial straight trough 7, in the present embodiment, straight trough 7 is 6, and 6 straight troughs 7 are distributed on the outer wall of lock core 1, and lockhole 6 is connected with multiple straight troughs 7, key can be stretched in straight trough 7 by lockhole 6, straight trough 7 runs through the outer wall of lock core 1, and straight trough 7 bottoms are provided with spring 8, and spring 8 is fixed on the bottom of straight trough 7 by locating piece.

The inwall of lock core cover 2 is provided with multiple along its axial groove 9, multiple grooves 9 are corresponding with multiple straight troughs 7, multiple grooves 9 are distributed on the inwall of lock tube 2, on the certain position on the inwall of lock core cover 2, are also provided with the translot 10 perpendicular to groove 9, and translot 10 in the form of a ring.

Anti-theft lock of the present utility model also comprises L-type lock 11, long-armed 12 of L-type lock 11 is arranged in straight trough 7, long-armed 12 end is against on spring 8, the galianconism 13 of L-type lock 11 is axial perpendicular to lock core 1, and stretch out in the external surface of lock core 1, and that is to say, the end of the galianconism 13 of L-type lock 11 is stretched in groove 9, limited relatively rotating of lock core 1 and lock tube 2, now theftproof lock is locked.

Anti-theft lock of the present utility model also comprises and the unique corresponding key 17 of described theftproof lock, and key 17 has and can stretch in straight trough 7 by lockhole, and L-type lock 11 is pushed up to the tooth 18 that is positioned at translot 10 to galianconism 13.When key 17 inserts, tooth 18 pushes up the galianconism 13 of L-type lock 11 to the position at translot 10 places, and the end of galianconism 13 is positioned at translot 10 and can freely rotates, and now lock core 1 and lock core cover 2 can relatively rotate, and theftproof lock is opened.

Described anti-theft lock is provided with location pellet 19, location pellet 19 can be along the direction activity of inserting perpendicular to key 17 between lock core 1 and lock core cover 2, key 17 is provided with spacer 20, and the surface of spacer 20 is provided with and the arc groove 21 of locating pellet 19 and matching.Spacer 20 inserts in lock core 1 with key 17, and when key is inserted into lockset position of coupler, location pellet 19 falls in arc groove 21, in the time of extracting key, must go to the position of insertion, thereby location pellet 19 could be pushed up to lock core cover 2 and allows key extract.

In the present embodiment, the mounting means of location pellet 19 has two kinds, and a kind of is as shown in figure 22, location pellet 19 is in lock core, on location, pellet 23 is fixed in lock core cover 2 by retainer spring 22, thereby reaches up and down object, and two billiards structures of structure and common lock are the same; Another kind is as shown in figure 23, by movable sliding, is arranged in lock core 1, and lock core puts and is provided with the groove corresponding with pellet end, equally also can reach up and down object.

The end face of T font head 3 is provided with locating hole 14, the effect of position when locating hole 14 plays indication key direction of insertion and extracts key, and the position that key only forwards appointment to just can be pulled out, and key can not pulled out in other positions.

The outer wall of T font afterbody 5 is provided with jump-ring slot 15, and jump-ring slot 15, for jump ring 16 is installed, after lock core 1, lock

core cover

2 and 11 assemblings of lock are complete, is arranged on jump ring 16 in draw-in groove 15, makes lock core 1 and lock core cover 2 fixing in the axial direction.

Because L-type is locked the length of son 11 along the axial setting of lock core 1, do not need additionally to increase the radial dimension of lock body, in the case of lock overall dimensions constant, the effective travel of lock 11 increases greatly, effective travel than pellet in standard machinery lock at least has more 3 to 4 times, the effective travel of standard machinery lock pellet is 2-3mm to the maximum, in locking take standard machinery, the effective travel of pellet is as 3mm is as example, in the utility model, L-type is locked sub effective travel and at least can be reached 10mm, as take 0.5mm as a digit, and pellet is identical with lock subnumber in the present embodiment is 6, the secret key amount of standard machinery lock is (3/0.5) ⁶=46656, and the secret key amount of the anti-theft lock of the present embodiment is (10/0.5) ⁶=64000000, be more than 1300 times that standard machinery is locked.The implication of secret key amount is: without original key in the situation that, number of times using the units of a certain fixed value as the required exploration of exploration radix of unblanking, the account form of secret key amount is: take a certain fixed value (routine 0.5mm described above is as a units), the pellet number power of the units comprising in effective travel, secret key amount is larger, the number of times of required exploration is more, lock core unlatching difficulty is also larger, from above-mentioned data, can find out obviously, anti-theft lock of the present utility model is not in the situation that increasing lock body size, not only simplified lock body internal construction, saved material, more can greatly improve the theftproof performance of anti-theft lock.

In the present embodiment; translot 10 is one; in fact; translot 10 also can arrange many; many translots 10 have increased the complexity of lock body inside; can increase to a certain extent theftproof performance; but many translots 10 have also increased the galianconism of L-type lock 11 stretches into possibility wherein; can weaken to a certain extent theftproof performance; therefore, the number of translot 10 can freely configure as required, and the utility model is not limited; no matter will be understood that, be one or multiple translot 10 all should fall in protection domain of the present utility model.

In addition, the length of multiple L-type lock 11 can be the same or different, as long as guarantee that the tooth of key is suitable with it, can the galianconism 13 of all L-type lock 11 be pushed up to translot 10 simultaneously.

Embodiment 2, with reference to accompanying drawing 10-21.

In the present embodiment, the straight trough 7 on lock core 1 does not connect the outer wall of lock core 1, and spring 8 is directly fixed on the bottom of straight trough 7, and other embodiments of the present embodiment are identical with embodiment 1.

Above-described embodiment is for the utility model is described in further detail, but the utility model is not confined to these specific embodiment.One skilled in the art would recognize that the utility model contained all alternatives, improvement project and the equivalents that within the scope of claims, may comprise.

Claims

1. mechanical anti-theft lock core, comprise lock core and the lock core cover that is set in described lock core periphery, one end of described lock core is provided with lockhole, it is characterized in that: the outer wall of described lock core is provided with straight trough vertically, described lockhole is connected with described straight trough, and the bottom of described straight trough is provided with spring; The inwall of described lock core cover is provided with groove vertically, and the inwall of described lock core cover is provided with the translot perpendicular to described groove; Described anti-theft lock also comprises L-type lock, long-armed being arranged in described straight trough of described L-type lock, described L-type lock sub galianconism perpendicular to described lock core axially, and stretch out in the external surface of described lock core, when the upper end that described L-type is locked sub galianconism is positioned at described translot, thereby described lock core can rotate and open theftproof lock relative to described lock core cover.

2. mechanical anti-theft lock core as claimed in claim 1, it is characterized in that: the outer wall of described lock core is provided with one or more straight troughs, the inwall of described lock core cover is provided with the one or more grooves corresponding with described one or more straight troughs, and it is identical and corresponding one by one with the quantity of described straight trough or groove that described L-type is locked sub number.

3. mechanical anti-theft lock core as claimed in claim 1, is characterized in that: the shaft section of described lock core is in T shape, described lockhole is arranged on one end of T font head, and one end of described lock core cover is provided with the boss corresponding with described T font head.

4. mechanical anti-theft lock core as claimed in claim 1, is characterized in that: the end face of the T font head of described lock core is provided with locating hole.

5. mechanical anti-theft lock core as claimed in claim 1, is characterized in that: the outer wall of the T font afterbody of described lock core is provided with jump-ring slot.

6. mechanical anti-theft lock core as claimed in claim 1, is characterized in that: described L-type lock adopts stainless steel material to make.

7. mechanical anti-theft lock core as claimed in claim 1, is characterized in that: general copper, aluminium or the stainless steel material of adopting of described lock core and lock core cover made.

8. the mechanical anti-theft lock core as described in any one in claim 1-7, it is characterized in that: described anti-theft lock is also provided with and the unique corresponding key of described anti-theft lock, described key has the tooth that can stretch into described lockhole and described one or more L-type lock top is positioned to described translot to described galianconism.

9. mechanical anti-theft lock core as claimed in claim 8, it is characterized in that: described anti-theft lock is provided with location pellet, described location pellet can be along the direction activity of inserting perpendicular to described key between described lock core and described lock core cover, the described spacer that is provided with on the key, the surface of described spacer is provided with the arc groove matching with described location pellet.

10. mechanical anti-theft lock core as claimed in claim 9, is characterized in that: described location pellet is arranged on described anti-theft lock by retainer spring or chute.