CN2311589Y

CN2311589Y - Double-core padlock

Info

Publication number: CN2311589Y
Application number: CN 97232383
Authority: CN
Inventors: 郑建民
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-12-25
Filing date: 1997-12-25
Publication date: 1999-03-24
Anticipated expiration: 2007-12-25

Abstract

The utility model discloses a double-core padlock, which is formed by that on the basis of the lock body, the hanging nose, the lock core, the key, etc. of the original padlock, a guard shell is covered out of the lock; the shell is covered over the hanging nose, and is fixed at the upper face of the lock body; the cavity of the shell is provided with a double-core slider-type moving lock from the bottom of the inner cavity to the bottom of the lock body in the inner cavity of the shell; the lower lock core of the moving lock and the original lock core are provided with the displacement of 15-90 DEG; a moving pin is moved to the position aiming at the original core in the cavity by the moving lock and a moving mechanism. When a lower key is inserted into the original lock core to be engaged in the center core of the tail section of the key section reserved in the lock core, the original lock is opened by that the original lock core is twisted by the lower key. The lock the original carry out concealed protection on the original lock, and has firm structure anti-theft performance, anti-pry performance and anti-squashy performance, enhancing the safety performance of the padlock.

Description

Double-core padlock

The utility model relates to the improvement of Mechanical ring latch, especially a kind of Double-core padlock, and it belongs to the mechanical lock technical field.

Commercially available padlock owing to have only a lock core, the key supporting with it also can only be in limited scope friendshipization.Therefore similar key is just more.A lock is easy to be opened by other lock key.Pellet shot from a slingshot is easy to prize and open with iron wire in the lock core groove that has.This padlock pick-proof facility is less, and its protective value is relatively poor, is necessary to improve.

The purpose of this utility model will be improved at the weak point of above-mentioned padlock.Design a kind of Double-core padlock.This lock will increase antitheft on the basis of former padlock, and pick-proof is prevented pounding performance, especially protects lock core, and lock core is hidden, increases the excursion of key, improves safety performance.This lock construction is firm, and parts connect compact, utilize old lock transformation.

Task of the present utility model has following technical scheme to finish, developed a kind of Double-core padlock, it comprises by lock body, the elasticity hanging nose, upper lock core, last key, the quiet lock that the spring lock is formed, be with protective case body with this lock body form fit at this lock body outer mask, this housing end face setting is the logical nostril passed through of this hanging nose just, this housing end face also is fixed on this lock body end face, in this housing inner chamber, be equipped with in the housing cavity the bottom surface from its bottom surface to this lock body the moving lock of core formula, following lock core of this moving lock and down key and quiet lock upper lock core and go up key mutual installation site certain angle of dislocation and install, and should moving lock by shift mechanism can in this housing cavity, move to the quiet lock of aligning upper lock core and on the position of key; Instantly the top flute profile of key is inserted in the upper lock core and when being engaged in the last key rear flute profile in the upper lock core, by playing key that upper lock core is applied twisting resistance, thereby opens the elasticity hanging nose of quiet lock.

This Double-core padlock, described shift mechanism, it can be the Elastic Sliding shift mechanism, the moving lock lock body that promptly is provided with down lock core is slide block shape profile, it is installed in this housing cavity by return spring, on this housing bottom surface, be provided with the stroke dead slot of key displacement down, should movingly lock to be provided with in the lock body and can fasten the elasticity latching of solid this moving lock lock body on this housing shell wall, one end pin of this latching is inserted in the depression on this housing shell wall, its other end then be inlaid in this moving lock lock body in compression spring contact and be subjected to its elastic force pushing tow, the stage casing of this latching also contacts and is subjected to it to stir control with the top fork of following lock core is vertical; When the following key of lock core reverses down lock core under inserting, this fork rotates thereupon and then stirs the skew notch on this latching stage casing, force this latching to be withdrawn in this moving lock lock body, and then can make the moving lock of elastic slide block formula lock body sliding transfer, the position that the following lock core that manual the shank of the key down can make down key insert is aimed at upper lock core and gone up key, and then finish the operation of opening quiet lock; When key withdraws from from following lock core instantly, automatically the elastic slide block formula is moved lock lock body forced back by return spring, and when this moving lock lock body has just fallen back on the original place, the compression spring that is inlaid in this moving lock lock body gets final product this latching of pushing tow, one end pin is inserted in the depression on this housing shell wall, thereby drive the top fork revolution of lock core down, and then lock core is turned back to and the misplace installation site of certain angle of upper lock core.

This Double-core padlock, the described key of going up, it is the part key section that is deposited in the upper lock core bullet groove, its rear flute profile can be the side tooth profile that varies in size, and correspondingly plays the top flute profile of key also to mate with the rear flute profile of last key.

This Double-core padlock, described key down, the length of one section top flute profile section on lock core top was 1.5-5.0mm under it stretched out, and promptly playing the interior length of bullet groove of the top flute profile section insertion upper lock core of key also is 1.5-5.0mm, and mates with the rear flute profile engagement of last key.

This Double-core padlock, the following upper lock core and the upper and lower key thereof of fast dynamic and static lock, certain angle of arranged in dislocation therebetween is at the 15-90 degree.

Double-core padlock of the present utility model, its advantage is: owing to be with the protective case body at former padlock body outer cover.This housing is wrapped quiet lock, moving lock.Firm housing is fixed on the articulated body end face again, the soundness that has guaranteed.Because moving lock adopts core formula elastic slide block shift mechanism; make quiet lock (former lock) be protected, and moving lock and quiet lock are taked lock core certain angle (being generally 90 degree) that misplaces, and make the lock core of quiet lock directly not insert; increase the program of opening lock, thereby improved safety performance.Because after having adopted upper and lower key tail, apical tooth type coupling; could open the lock hanging nose; pry open moving lock pin even make; can not be to quiet lock pin breakdown or destruction; protect the reliability of quiet lock (former lock) lock core, increased the scope of key pattern simultaneously, enlarged type of key; improve safety performance, avoided image identical mutually between key to take place.Owing to designed moving lock shift mechanism, make the moving location in the housing that is locked in, return, the work of opening the lock hanging nose, but preface carry out, protected quiet lock, the parts compactness of moving lock is active in one's movements simultaneously, plays protection door god's effect.

Embodiment of the present utility model further describes as follows in conjunction with the accompanying drawings:

Fig. 1 is the section of structure of Double-core padlock,

Fig. 2 is the protective case body stereogram of Double-core padlock,

Fig. 3 is the sectional structure schematic diagram (the A-A sectional view of Fig. 1) of the slide block of Double-core padlock to the moving lock of core formula.

Fig. 4 moves the sectional structure schematic diagram of bowing (the B-B sectional view of Fig. 1) of lock to the core formula for the slide block of Double-core padlock.

Referring to Fig. 1, Fig. 2, Fig. 3, this Double-core padlock comprises by lock body 1, by the elasticity hanging nose 5 of spring 5 ' minute pushing tow control, upper lock core 2, goes up key 3, the quiet lock of being made up of the lock 4 of spring 4 ' control.Be with protective case body 20 with this lock body 1 form fit at this lock body 1 outer mask.The logical nostril 22 that these housing 20 end face settings can make this hanging nose 5 pass through.These housing 20 end faces also are fixed on this lock body 1 end face by rivet 7.In these housing 20 inner chambers, be equipped with in the housing cavity the bottom surface from its bottom surface to this lock body 1 the moving lock of core formula.Following lock core 9 that should moving lock and down key 10 and quiet lock upper lock core 2 and go up key 3 mutual installation sites dislocation an angle of 90 degrees degree and install, and should moving lock by shift mechanism can in these housing 20 cavitys, move to the quiet lock of aligning upper lock core 2 and on the position of key 3.Instantly the top flute profile 12 of key 10 is inserted in the upper lock core 2 and when being engaged in the last key 3 rear flute profiles 11 in the upper lock core 2, by playing 10 pairs of upper lock cores 2 of key to apply twisting resistance, thereby opens the elasticity hanging nose 5 of quiet lock.

Referring to Fig. 3, Fig. 4, the shift mechanism of this padlock is a kind of elastic slide block shift mechanism.The moving lock lock body 8 that promptly is provided with down lock core 9 is slide block shape profile, and it is installed in the cavity of this housing by return spring 13.On these housing 20 bottom surfaces, be provided with the stroke dead slot 14 of key 10 displacements down.But should be provided with the elasticity latching 16 of solid this moving lock lock body 8 of bolt on these housing 20 shell walls in the moving lock lock body 8.One end pin of this latching 16 is inserted in the depression 17 on these housing 20 shell walls, its other end then be inlaid in this moving lock lock body 8 in compression spring 18 contact and be subjected to its elastic force pushing tow.The stage casing of this latching 16 also contacts and is subjected to it to stir control with the top fork 19 of following lock core 9 is vertical.When the following key 10 of lock core 9 reverses down lock core 9 under inserting, this fork 10 rotates again thereupon, and then rotate skew notch 21 on these latching 16 stage casings, force this latching withdrawal movingly to lock in the lock body 8, and then can make the moving lock of elastic slide block formula lock body 8 break away from these housing 20 shell walls and sliding transfer in its cavity.The position that the following lock core 9 that the manual the shank of the key 24 of key 10 down can make down key 10 insert is aimed at upper lock core 2 and gone up key 3, and then finish the operation of opening quiet lock.When key 10 withdraws from from following lock core 9 instantly, automatically the elastic slide block formula is moved lock lock body 8 forced back by return spring 13, and when this moving lock lock body 8 has just returned to the original place, the compression spring 18 that is inlaid in this moving lock lock body 8 gets final product this latching 16 of pushing tow, the one end is inserted in the depression 17 on these housing 20 shell walls, thereby drive top fork 19 revolutions of lock core 9 down, and then lock core 9 is turned back to and the misplace installation site of an angle of 90 degrees of upper lock core 2.

The last key 3 of this padlock design is a kind of part key section that is deposited in upper lock core 2 bullet groove.Its rear flute profile 11 can be the side tooth profile that varies in size, and correspondingly plays the top flute profile 12 of key 10 also to mate with the rear flute profile 11 of last key 3.Designed following key 10, its length of stretching out 12 sections of one section top flute profiles on following lock core 9 tops is 1.5-2.0mm, promptly playing 12 sections interior length of bullet groove of inserting upper lock core 2 of top flute profile of key 10 also is 1.5-2.0mm, and mates with rear flute profile 11 engagements of last key 3.

Claims

1, a kind of Double-core padlock, it comprises by lock body, the elasticity hanging nose, upper lock core, last key, the quiet lock that the spring lock is formed, it is characterized in that: be with protective case body with this lock body form fit at this lock body outer mask, the logical nostril that this housing end face setting can make this hanging nose pass through, this housing end face also is fixed on this lock body end face, in this housing inner chamber, the end from its bottom surface to this lock body and the housing cavity in be equipped with the moving lock of core formula, following lock core that should moving lock and down key and quiet lock upper lock core and go up key mutual installation site certain angle of dislocation and install, and should moving lock by shift mechanism can in this housing cavity, move to the quiet lock of aligning upper lock core and on the position of key; Instantly the top flute profile of key is inserted in the upper lock core and when being engaged in the last key rear flute profile in the upper lock core, by playing key that upper lock core is applied twisting resistance, thereby opens the elasticity hanging nose of quiet lock.

2, according to the described Double-core padlock of claim 1, it is characterized in that: described shift mechanism, it can be the Elastic Sliding shift mechanism, the moving lock lock body that promptly is provided with down lock core is slide block shape profile, it is installed in this housing cavity by return spring, on this housing bottom surface, be provided with the stroke dead slot of key displacement down, but should be provided with the elasticity latching of solid this moving lock lock body of bolt on this housing shell wall in the moving lock lock body, one end pin of this latching is inserted in the depression on this housing shell wall, its other end then be inlaid in this moving lock lock body in compression spring contact and be subjected to its elastic force pushing tow, the stage casing of this latching also contacts and is subjected to it to stir control with the top fork of following lock core is vertical; When the following key of lock core reverses down lock core under inserting, this fork rotates thereupon and then stirs the skew notch on this coak stage casing, force this latching to be withdrawn in this moving lock lock body, and then can make the moving lock of elastic slide block formula lock body sliding transfer, the position that the following lock core that manual the shank of the key down can make down key insert is aimed at upper lock core and gone up key, and then finish the operation of opening quiet lock; When key withdraws from from following lock core instantly, automatically the elastic slide block formula is moved lock lock body forced back by return spring, and when this moving lock lock body has just fallen back on the original place, the compression spring that is inlaid in this moving lock lock body gets final product this latching of pushing tow, one end pin is inserted in the depression on this housing shell wall, thereby drive the top fork revolution of lock core down, and then lock core is turned back to and the misplace installation site of certain angle of upper lock core.

3, according to claim 1 or 2 fast Double-core padlocks, it is characterized in that: the described key of going up, it is the part key section that is deposited in the upper lock core bullet groove, and its rear flute profile can be the side tooth profile that varies in size, and correspondingly plays the top flute profile of key also to mate with the rear flute profile of last key.

4, according to claim 1 or 2 described Double-core padlocks, it is characterized in that: described key down, it stretches out down, and the length of one section top flute profile section on lock core top is 1.5-5.0mm, promptly playing the interior length of bullet groove of the top flute profile section insertion upper lock core of key also is 1.5-5.0mm, and mates with the rear flute profile engagement of last key.

5, according to claim 1 or 2 described Double-core padlocks, it is characterized in that: the following upper lock core of described dynamic and static lock and upper and lower key thereof, certain angle of arranged in dislocation therebetween is at the 15-90 degree.