CN100422495C

CN100422495C - Multiplex anti theft lock and its key

Info

Publication number: CN100422495C
Application number: CNB200510045514XA
Authority: CN
Inventors: 张华东
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-12-07
Filing date: 2005-12-07
Publication date: 2008-10-01
Anticipated expiration: 2025-12-07
Also published as: CN1786399A

Abstract

The present invention discloses a multiple anti-theft lock and a key for unlocking the multiple anti-theft lock. The multiple anti-theft lock comprises a lock casing which is provided with a top end and a bottom end, wherein the lock casing is provided with a sealing hollow cavity, a tubular fixed lock core is fixed in the hollow cavity, a rotary lock core is sheathed in the fixed lock core, and a key hole is arranged on the rotary lock core; a key can be inserted into the key hole to unlock the anti-theft lock. A through hole which can be used for the key to insert the key hole is arranged on the top end of the lock casing. A first locking part of the anti-theft lock is arranged between the fixed lock core and the rotary lock core, and a second locking part of the anti-theft lock is arranged between the lock casing and the rotary lock core. The present invention enhances secure guarantee for people's daily life, prevents people's life and personal safety from being injured by lawbreakers, and ensures people's personal safety and property safety.

Description

Multiple theftproof lock and unlatching key thereof

Technical field

The present invention relates to the technical field of locking in a kind of manufacturing industry, especially relate to a kind of multiple theftproof lock and open key.

Background technology

At present, lock is to use the most general a kind of life appliance in people's daily necessities, resemble people and use the widest cylinder lock, it is widely used in the middle of people's house, trip instrument, safety cabinet and the drawer, prevented the harm of lawless person, played the safety guarantee effect for daily life daily life people.But because the lockset that current people use is relatively simple, and raising day by day along with present lawless person's crime means, the advanced person day by day of tool used in crime, this lockset can not play the safety curtain effect to daily life can not adapt to current situation.People have invented the infringement that various locks are defendd the lawless person thus, ensure the safety of the person, as if electronic lock, coded lock etc., but because these lock not only cost than higher, and structure is too complicated, damage than being easier to, cause certain difficulty for people's use, particularly to the elderly and children, when using such lock, inconvenience very.Simultaneously, with respect to the corresponding key of opening of current these locks, people can very easily duplicate, and this has also influenced the safety of people's life to a certain extent.

Summary of the invention

The technical problem to be solved in the present invention has provided a kind of multiple theftproof lock, and it can effectively play the safety curtain effect to daily life; Simultaneously, the present invention provides the unlatching key of a kind of multiple theftproof lock again, and it is not only easy to use, and difficult duplicating.

For solving the problems of the technologies described above, technical scheme of the present invention is: multiple theftproof lock comprises the lock body shell with a top and a bottom, the lock body shell has enclosed cavity, be fixed with the tubulose fixed lock core in the cavity, be arranged with rotational lock core in the fixed lock core, rotational lock core is provided with keyhole; Described lock body shell top is provided with the open-work that inserts keyhole for key; Be provided with first lock part between described fixed lock core and the rotational lock core, be provided with second lock part between described lock body shell and the rotational lock core, described lock body shell bottom is fixed with bonnet, and bonnet is that the tubulose and the blind end of lock body shell far away bottom end sealing is provided with open-work; Be provided with the internal cylinder of band mesopore in the described keyhole, cross section, mesopore top is a polygon for the circle lower section, described lock body shell bottom is provided with the circular hole that is communicated with mesopore, be provided with disk in the cover cavity of described back, the disk both sides are respectively equipped with lock shaft, disk upside lock shaft is with the corresponding multi-edge column-shaped of mesopore lower shape and passes circular hole and insert the mesopore bottom, disk bottom side lock shaft insert on the bonnet open-work and and bonnet between be provided with and promote the back stop that disk upside lock shaft inserts mesopore; Described disk is provided with the pin-and-hole that is communicated with the disk both sides, and described lock body shell bottom and bonnet are respectively equipped with and the corresponding lock pin of pin-and-hole.

As a kind of optimal way, described first lock part is for axially being respectively equipped with the intercommunicating pore that at least one row are interconnected at fixed lock core and rotational lock core upper edge keyhole, described each row intercommunicating pore is along the circumferential distribution of keyhole and be provided with at least one intercommunicating pore, be provided with snap bolt that stretches into keyhole and the snap that promotes the snap bolt in the intercommunicating pore, be provided with the snap pellet shot from a slingshot between snap and the snap bolt.

As another kind of optimal way, described second lock part is for being provided with the annular recess that is communicated with the keyhole bottom in the bottom of rotational lock core, described lock body shell bottom is provided with the through hole that is communicated with this annular recess, be provided with snap bolt that stretches into keyhole and the snap that promotes the snap bolt in described annular recess and the through hole, be provided with the snap pellet shot from a slingshot between snap and the snap bolt, described lock body shell bottom is provided with snap is blocked in the through hole to promote the snap lid of snap bolt.

As another kind of optimal way, the intercommunicating pore that is interconnected that axially is respectively equipped with of described fixed lock core and rotational lock core upper edge keyhole is 4 row, and described 4 row intercommunicating pores circumferentially evenly distribute along keyhole.

Can open the key of multiple theftproof lock, comprise the shank of the key and with the corresponding key operated body of multiple safety lock and key hole shape, key operated body is provided with first open portion of opening multiple theftproof lock first lock part, second open portion of opening multiple theftproof lock second lock part, described key operated body is provided with the inner chamber that holds multiple theftproof lock internal cylinder, promotes the thimble that disk moves to bonnet thereby be provided with the mesopore that inserts internal cylinder in the inner chamber to promote lock shaft.

As a kind of optimal way, described first open portion is to be located on the described key operated body snap bolt intercommunicating pore on rotational lock core that promotes to stretch into keyhole to move to open the rib shape projection of first lock part.

As another kind of optimal way, described second open portion is to be located at described key operated body top to promote to stretch into keyhole bottom snap bolt through hole on lock body shell bottom and move to open the projection of second lock part.

As another kind of optimal way, promote to stretch into keyhole on the described key operated body) the intercommunicating pore of snap bolt on rotational lock core to move with the rib shape projection of opening first lock part be four rib shape projections.

Adopt the multiple theftproof lock of said structure, can pass through simple dual spring marble lock construction, realize the safety guarantee effect of people's daily life, and structure is not a complexity very.And lock by the 3rd road that adds again, further strengthened the security performance of this multiple theftproof lock, strengthened safety guarantee to people's daily life, prevented the infringement of lawless person to people's life and personal safety.And having the unlatching key of multiple open function, it is very convenient that multiple theftproof lock is opened, and transreplication not, also strengthened people's personal safety to a certain extent and to the guarantee of property.

Description of drawings

Below in conjunction with accompanying drawing the specific embodiment of the present invention is further described:

Accompanying drawing is multiple theftproof lock of the present invention and the figure that installs and uses that opens key thereof.

The specific embodiment

With reference to accompanying drawing, a kind of multiple theftproof lock of the present invention is: comprise lock body shell 2, lock body shell 2 has a top 21 and a bottom 22, is provided with the open-work 28 that can supply key to pass on lock body shell top 21; This lock body shell 2 can fixedly form for the tube-like envelope suit by the sealing of two sections one end, to make things convenient for the installation of this multiple theftproof lock, treat in the lock body shell 2 and have an enclosed cavity, in cavity, be fixed with tubulose fixed lock core 23, cover is equipped with rotational lock core 24 in fixed lock core 23, is provided with to insert to open the keyhole 29 of theftproof lock for key on rotational lock core 24; Stating first lock part that is provided with theftproof lock between fixed lock core 23 and the rotational lock core 24, promptly first lock part is for axially being respectively equipped with the intercommunicating pore that at least one row are interconnected at fixed lock core 23 and rotational lock core 24 upper edge keyholes 29, each row intercommunicating pore is along the circumferential distribution of keyhole 29 and be provided with at least one intercommunicating pore, be the convenience when producing and dispose, intercommunicating pore can be 4 row, this 4 row intercommunicating pore circumferentially evenly distributes along keyhole 29, in intercommunicating pore, be provided with snap bolt that stretches into keyhole 29 and the snap that promotes the snap bolt, between snap and snap bolt, be provided with the snap pellet shot from a slingshot.In order to strengthen the lock security performance, between lock body shell 2 and rotational lock core 24, be provided with second lock part of theftproof lock, promptly second lock part is for being provided with the annular recess that is communicated with keyhole 29 bottoms in the bottom of rotational lock core 24, on lock body shell bottom 22, be provided with the through hole that is communicated with this annular recess, through hole can be a plurality of, resemble 2,3 etc., in annular recess and through hole, be provided with snap bolt that stretches into keyhole 29 and the snap that promotes the snap bolt, between snap and snap bolt, be provided with the snap pellet shot from a slingshot, on lock body shell bottom 22, be provided with snap to be blocked in the through hole and cover 25 with the snap that promotes the snap bolt.

In order further to strengthen the lock security performance, be fixed with bonnet 27 on lock body shell bottom 22, bonnet 27 is the tubulose of end sealing, and when fixing with lock body shell bottom 22, its blind end is provided with an open-work away from lock body shell bottom 22 on the blind end of bonnet 27; In keyhole 29, be provided with the internal cylinder 5 that has mesopore 51, the cross section that the top of this mesopore 51 is one section is circular, and one section cross section, its underpart is polygon, resemble triangle, quadrangle, pentagon etc., and for the convenience when using, the projection of its top one sector hole falls in the projection of bottom one sector hole.On lock body shell bottom 22, be provided with the circular hole 52 that is communicated with mesopore 51, in bonnet 27 inner chambers, be provided with disk 26, the both sides of disk 26 are respectively equipped with lock shaft 3, and the lock shaft 3 of disk 26 upsides is and the corresponding multi-edge column-shaped of mesopore 51 lower shapes, resemble triangular prism, quadrangular, pentagonal prism etc., and pass in the bottom hole that circular hole 52 is inserted into mesopore 51, and the lock shaft 3 of disk 26 bottom sides inserts in the open-work on the bonnets 27, and and bonnet 27 between be provided with the back stop 31 that the lock shaft 3 that can promote disk 26 upsides inserts in the mesopores 51; On disk 26, be provided with the pin-and-hole 26a that is communicated with disk 26 both sides, be provided with corresponding lock pin 22a with pin-and-hole 26a in lock body shell bottom 22, disk 26 is under the promotion of back stop 31, and the pin-and-hole 26a on the disk 26 penetrates lock pin 22a and is fixed, and the lock shaft 3 in mesopore 51 is pushed and moves down, disk 26 moves down, pin-and-hole 26a and lock pin 22a throw off, and disk 26 is rotatable, continue to promote disk 26 and move down, pin-and-hole 26a with and bonnet 27 on lock pin 27a cooperate, disk 26 is fixed.

Attractive in appearance for fixing convenience and lock, lock body shell 2 comprises by being sleeved on the lock body shell 2 that shell together constitutes by two, can be provided with bolt hole on fixed lock core 23 and the bonnet 27, by bolt together.

A kind of key of opening multiple theftproof lock, as shown in drawings, comprise the shank of the key and with the corresponding key operated body 1 of multiple safety lock and key hole shape, on key operated body 1, be provided with first open portion 11 that to open multiple theftproof lock first lock part, promptly first open portion 11 moves to open the rib shape projection of first lock part for being located at the intercommunicating pore of snap bolt on rotational lock core 24 that can promote to stretch into keyhole 29 on the described key operated body 1, for corresponding with multiple theftproof lock, rib shape projection is four rib shape projections.Corresponding and multiple theftproof lock is provided with second open portion 14 that can open multiple theftproof lock second lock part on key operated body 1, promptly can promote to stretch into keyhole 29 bottom snap bolts through hole on lock body shell bottom 22 moves to open the projection of second lock part on key operated body 1 top, the snap bolt that these projections can promote to stretch into keyhole 29 bottoms moves to lock body shell bottom 22, to open second lock part of lock.

In order to open this multiple theftproof lock, on key operated body 1, be provided with the inner chamber 12 of the internal cylinder 5 that can hold multiple theftproof lock, in inner chamber 12, be provided with the mesopore 51 that can insert on the internal cylinder 5 promoting lock shaft 3, thereby promote the thimble 13 that disk 26 moves to bonnet 27.

When using this multiple theftproof lock and opening key, will open the keyhole 29 that key inserts multiple theftproof lock, at this moment, internal cylinder 5 is inserted in the inner chamber 12 of opening key.Open on first open portion 11 on the key four rib shape projections with multiple theftproof lock first lock part, stretch into by the intercommunicating pore on fixed lock core 23 and the rotational lock core 24 and to move after snap bolts in the keyhole 29 promote, move after simultaneously the snap pellet shot from a slingshot also being promoted, make joint face between fixed lock core 23 and the rotational lock core 24 be in joint face place between snap bolt and the snap pellet shot from a slingshot, thereby open first lock part of multiple theftproof lock; Simultaneously, be positioned at second lock part that second open portion 14 of opening the key top also will be positioned at keyhole 29 bottoms, promptly the through hole that is promoted on lock body shell bottom 22 by the snap bolt that stretches into keyhole 29 bottoms in the through hole on the lock body shell bottom 22 moves, make rotational lock core 24 and lock body shell bottom 22 joint faces be in joint face place between snap bolt and the snap pellet shot from a slingshot, thereby open second lock part of multiple theftproof lock; And, at this moment, the mesopore 51 promotion lock shafts 3 that the thimbles 13 in the unlatching inner chamber 12 on the key are inserted on the internal cylinder 5 move down, and move to bonnet 27 thereby promote disk 26, pin-and-hole 26a on the disk 26 and lock pin 22a throw off, disk 26 is rotatable, and at this moment, multiple theftproof lock is opened fully, when continuation promotion disk 26 moves down, pin-and-hole 26a with and bonnet 27 on lock pin 27a cooperatively interact again, disk 26 is fixed by locking, multiple theftproof lock is lockable again.

Claims

1. multiple theftproof lock, comprise the lock body shell (2) with a top (21) and a bottom (22), lock body shell (2) has enclosed cavity, is fixed with tubulose fixed lock core (23) in the cavity, be arranged with rotational lock core (24) in the fixed lock core (23), rotational lock core (24) is provided with keyhole (29); Described lock body shell top (21) is provided with the open-work (28) that inserts keyhole (29) for key; Be provided with first lock part between described fixed lock core (23) and the rotational lock core (24), be provided with second lock part between described lock body shell (2) and the rotational lock core (24), it is characterized in that: described lock body shell bottom (22) is fixed with bonnet (27), and bonnet (27) is provided with open-work for the tubulose and the blind end of lock body shell far away bottom (22) end sealing; Be provided with the internal cylinder (5) of band mesopore (51) in the described keyhole (29), mesopore (51) cross section, top is a polygon for the circle lower section, described lock body shell bottom (22) is provided with the circular hole (52) that is communicated with mesopore (51), be provided with disk (26) in described bonnet (27) inner chamber, disk (26) both sides are respectively equipped with lock shaft (3), disk (26) upside lock shaft is with the corresponding multi-edge column-shaped of mesopore (51) lower shape and passes circular hole (52) and insert mesopore (51) bottom, disk (26) bottom side lock shaft insert bonnet (27) go up open-work and and bonnet (27) between be provided with and promote the back stop (31) that disk (26) upside lock shaft inserts mesopore (51); Described disk (26) is provided with the pin-and-hole (26a) that is communicated with the disk both sides, and described lock body shell bottom (22) and bonnet (27) are respectively equipped with the lock pin of answering with pin-and-hole (26a) bar.

2. multiple theftproof lock according to claim 1, it is characterized in that: described first lock part is for axially being respectively equipped with the intercommunicating pore that at least one row are interconnected at fixed lock core (23) and rotational lock core (24) upper edge keyhole (29), described each row intercommunicating pore is along the circumferential distribution of keyhole (29) and be provided with at least one intercommunicating pore, be provided with snap bolt that stretches into keyhole (29) and the snap that promotes the snap bolt in the intercommunicating pore, be provided with the snap pellet shot from a slingshot between snap and the snap bolt.

3. multiple theftproof lock according to claim 1, it is characterized in that: described second lock part is for being provided with the annular recess that is communicated with keyhole (29) bottom in the bottom of rotational lock core (24), described lock body shell bottom (22) is provided with the through hole that is communicated with this annular recess, be provided with snap bolt that stretches into keyhole (29) and the snap that promotes the snap bolt in described annular recess and the through hole, be provided with the snap pellet shot from a slingshot between snap and the snap bolt, described lock body shell bottom (22) is provided with snap is blocked in the through hole to promote the snap lid (25) of snap bolt.

4. according to claim 1,2 or 3 described multiple theftproof locks, it is characterized in that: the intercommunicating pore that is interconnected that axially is respectively equipped with of described fixed lock core (23) and rotational lock core (24) upper edge keyhole (29) is 4 row, and described 4 row intercommunicating pores circumferentially evenly distribute along keyhole (29).

5. can open the key of the described multiple theftproof lock of claim 1, comprise the shank of the key and with the corresponding key operated body of multiple safety lock and key hole shape, key operated body (1) is provided with first open portion (11) of opening multiple theftproof lock first lock part, open second open portion (14) of multiple theftproof lock second lock part, it is characterized in that: described key operated body (1) is provided with the inner chamber (12) that holds multiple theftproof lock internal cylinder (5), and the mesopore (51) that is provided with insertion internal cylinder (5) in the inner chamber (12) is to promote lock shaft (3), thereby promote the thimble (13) that disk (26) moves to bonnet (27).

6. the key of the multiple theftproof lock of unlatching according to claim 5 is characterized in that: described first open portion (11) moves to open the rib shape projection of first lock part for being located at described key operated body (1) on the snap bolt intercommunicating pore on rotational lock core (24) that promotes to stretch into keyhole (29).

7. the key of the multiple theftproof lock of unlatching according to claim 5 is characterized in that: described second open portion (14) promotes to stretch into keyhole (29) bottom snap bolt and goes up through hole to lock body shell bottom (22) and move to open the projection of second lock part for being located at described key operated body (1) top.

8. according to the key of claim 5, the multiple theftproof lock of 6 or 7 described unlatchings, it is characterized in that: it is four rib shape projections that the intercommunicating pore of snap bolt on rotational lock core (24) that keyhole (29) is stretched in the last promotion of described key operated body (1) moves with the rib shape projection of opening first lock part.