CN2152039Y - Safety theft-proof padlock - Google Patents

Abstract

The utility model discloses a safe and anti-theft padlock, relating to the technical field of the lock and the key. The utility model is characterized in that the interior of the safe and anti-theft padlock is provided with iron rods which can be slid effectively and are connected with a plurality of effective pushing rods, and synchronously, the iron rods are inserted in the both ends of a lock handle so as to lock the lock handle. The utility model is also provided with safety sliding iron rods and secrecy sliding iron rods in order to enhance the safe and anti-theft function. The utility model having reasonable design and novel structure, high security, safe and anti-theft function, and easy manufacture is a safe and anti-theft padlock used in the bicycle and the motorcycle; a special key can be used for unlocking, and the utility model overcomes the defect that the existing padlock can be unlocked through the universal key.

Description

Safety theft-proof padlock

The utility model relates to lock, key technical field, relates to a kind of safe antitheft padlock particularly.

Existing padlock, as door lock, bicycle, motorcycle be with padlock etc., though it has shape miscellaneous, convenient and practical advantage.But exist a common shortcoming be need not be special key also lock can be opened, can not be antitheft effectively.Producing threat for people's property safety, also provide convenience to the robber with the master key crime simultaneously, is one of factor that causes the social security confusion.

The purpose of this utility model is to overcome the dangerous antitheft shortcoming of above-mentioned padlock, provides a kind of reasonable in design, and novel structure has only the safe antitheft padlock that lock could be opened with special key.

The technical solution of the utility model is to realize by the improvement design to existing padlock and Key structure.Its major technique feature is to be provided with the vertical dividing plates in 4 roads (9) in the housing (6), and insert respectively therebetween at the two ends of shank of the key (1); Be provided with a dome tube (12) in the middle and lower part of housing (6) one ends coupled, be provided with 6 push rods (3), (7), (4), (5), (8), (13) in it, wherein (3), (7) are safety push-rod, and (4), (5), (8), (13) are effective push rod; On push rod (3), (4), (5), be provided with safe slip iron staff (e), corresponding secret slip iron staff (a '), (b ') and effectively slip iron staff (a) and (b) match with the hole of shank of the key (1) one end; Be provided with safe slip iron staff (f) in push rod (7), (8), (13), corresponding secret slip iron staff (c '), (d ') and effectively slip iron staff (c), (d) match with the hole of the other end of shank of the key (1), the both ends and the housing (6) of shank of the key (1) is connected as a single entity; The key of drum type brake (15) matches with dome tube (12), is provided with the iron prop (14) that matches with effective push rod (4), (5), (8), (13) in the housing (6) in it.

Its technical characterictic is safety push-rod (3), (7), effectively be respectively equipped with spring (2) on push rod (4), (5), (8), (13), tee piece (10), bipass (11) and the safe slip iron staff (e), (f) that connect, corresponding secret slip iron staff (a '), (b '), (c '), (d '), effective slip iron staff (a) and (b), (c), (d), the one end is connected with tee piece (10), bipass (11) respectively, and the other end matches with the hole on shank of the key (1) both ends by the hole on the dividing plate (9).Its housing (6) is cylinder iron made, and its key housing (15) is made with iron plate, which is provided with hanging handle (16).

The utility model has the advantages that because this lock is reasonable in design, novel structure, so can only this lock could be opened with special key, other modes are neither can unblank otherwise adopt.Strong security, dependable performance, safe antitheft, to the robber with master key unblank the crime be provided with obstacle, make people's property safety that guarantee arranged.Concrete structure of the present utility model is described in detail by the embodiment that provides in the accompanying drawing.

Fig. 1 is the structural front view of the utility model lock

Fig. 2 is the structure vertical view of the utility model lock

Fig. 3 is the A-A sectional view of Fig. 1

Fig. 4 is a key front view of the present utility model

Fig. 5 is a key lateral view of the present utility model

With reference to accompanying drawing 1,2, the utility model is by shank of the key (1), spring (2), safety push-rod (3), (7), effective push rod (4), (5), (8), (13) and go up tee piece (10), the safe slip iron staff (e) that bipass (11) connects, (f), corresponding secret slip iron staff (a '), (b '), (c '), (d '), effective slip iron staff (a), (b), (c), (d), housing (6), dividing plate (9) connects in the dome tube (12) of housing (6) and the drum type brake key housing (15) and iron prop (14) the corresponding cooperation of effective push rod, and its housing (15) is gone up set hanging handle (16) composition.In the present embodiment, the two ends of shank of the key (1) insert respectively its dividing plate (9) 1,2 and 3,4 between, effectively slip iron staff (a) and (b), (c), (d) spring into, when the distance at the two ends of shank of the key (1) put in place with key (15) and dome tube (12) propelling, the distance that the iron prop (14) in the key (15) pushes effective push rod (4), (5), (8), (13) equated.Cylinder iron split manufacturing of its housing (6) is welded as a whole.Can be earlier the rear panel and the 4 road dividing plates (9) thereof of housing (6) be cast in together, after dividing plate (9) is gone up punching, again with spring (2), tee piece (10), bipass (11) is enclosed within on the six roots of sensation push rod, push rod is by dividing plate (9), by designing requirement debugged its spacing from, connect safe slip iron staff (e), (f), corresponding secret slip iron staff (a '), (b '), (c '), (d '), effective slip iron staff (a), (b), (c), (d), with screw with tee piece (10), bipass (11) is fixed on the push rod, after the anter and the rear panel of its housing (6) welded together.As shown in Figure 3, dome tube (12) is made with housing (6) with iron plate and is welded together, concentric circles in it is provided with 6 push rods, (3), (7) are safety push-rod in the base, (4), (5), (8), (13) are effective push rod, its port closed has the hole with the corresponding cooperation of its inner push-rod on it.Shown in Fig. 4,5, the structure of its key is a drum type brake.Be provided with in its housing (15) and the effective iron prop (14) of push rod (4), (5), (8), (13) corresponding cooperation, and varying length, the (a) and (b) of iron prop in the present embodiment (14), (c), (d) are respectively 3,4,5,6mm.Based shell (15) is provided with portable hanging handle (16).When unblanking, earlier its key housing (15) is enclosed within on the dome tube (12) among Fig. 1, aims at effective push rod in the corresponding hole, the end of onto (promptly putting in place), firmly shifted key in the back, again shank of the key (1) extracted out and can be unblanked in lock body.This lock is if key is specially locked neither success with master key or additive method runin.The utility model is reasonable in design, novel structure, and strong security is easy to make, and is a kind of safe antitheft padlock that door, Bicycles and Motorcycles are used, and is easy to popularize.

Reference numeral

1--shank of the key 2--spring

The effective push rod of 3--safety push-rod 4--

The effective push rod 6--of 5--lock housing body

The effective push rod of 7--safety push-rod 8--

9--dividing plate 10--tee piece

11--bipass 12--dome tube

The effective push rod 14--of 13--iron prop

15--key housing 16--hanging handle

A--iron staff a '--the corresponding secret slip iron staff that effectively slides

B--iron staff b '--the corresponding secret slip iron staff that effectively slides

C--iron staff c '--the corresponding secret slip iron staff that effectively slides

D--iron staff d '--the corresponding secret slip iron staff that effectively slides

E--safety slip iron staff

F--safety slip iron staff

Claims (3)

1, a kind of safe antitheft padlock that contains housing, shank of the key, spring and key is characterized in that being provided with vertical dividing plate (9) in the housing (6), and insert respectively therebetween at the two ends of shank of the key (1); It is coupled to be provided with dome tube (12) in the middle and lower part of housing (6) one ends, be provided with 6 push rods (3), (7), (4), (5), (8), (13) in it, wherein (3), (7) are safe pusher, and (4), (5), (8), (13) are effective pusher; Be provided with the safe slip iron staff (e) that connects tee piece (10) and bipass (11) on push rod (3), (4), (5), corresponding secret slip iron staff (a '), (b ') and effective slip iron staff (a) and (b) match with the hole of shank of the key (1) one end; On push rod (7), (8), (13), be provided with and connect tee piece (10), the safe slip iron staff (f) of bipass (11), corresponding secret slip iron staff (c '), (d ') and effective slip iron staff (c), (d) and match, the both ends and the housing (6) of shank of the key (1) is connected as a single entity with the hole of the other end of shank of the key (1); The key of drum type brake (15) matches with dome tube (12), is provided with the iron prop (14) that matches with effective push rod (4), (5), (8), (13) in the housing (6) in it.

2, according to the described safe antitheft padlock of claim 1, it is characterized in that in safety push-rod (3), (7), effective push rod (4), (5), (8), (13) be respectively equipped with spring (2) on, tee piece (10), bipass (11) and on safe slip iron staff (e), (f), corresponding secret slip iron staff (a '), (b '), (c '), (d '), effective slip iron staff (a), (b), (c), (d), the one end respectively with tee piece (10), bipass (11) links to each other, and the other end matches with the hole, both ends of shank of the key (1) by the hole on the dividing plate (9).

3, according to claim 1 safe antitheft padlock, it is characterized in that housing (6) cylinder iron makes, its key housing (15) is made with iron plate, which is provided with hanging handle (16).

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