CN201671444U

CN201671444U - Anti-theft lock

Info

Publication number: CN201671444U
Application number: CN2010202020312U
Authority: CN
Inventors: 吴福兴; 吴智超
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-05-25
Filing date: 2010-05-25
Publication date: 2010-12-15
Anticipated expiration: 2020-05-25

Abstract

The utility model discloses an anti-theft lock, which comprises a lock component and a locking component. The lock component includes a cylindrical outer casing; at least one opening is arranged on the outer casing; a first locking mechanism and a second locking mechanism are arranged inside the outer casing; the locking component includes a base; a clamping block combination capable of opening and closing is arranged on the base and matches with an automobile steering wheel; one end of a first clamping block is fixedly arranged on the base; a stopping rod is fixedly arranged at the other end of the first clamping block; a second clamping block is hinged onto the base; and the base arranged at the front end of the outer casing is connected with a first plug. As the anti-theft lock adopts the first locking mechanism and the second locking mechanism, the two locking mechanisms have to be unlocked simultaneously when the lock needs to be unlocked, and anti-theft performance is greatly improved, wherein the first locking mechanism is in a combination lock structure, and the second locking mechanism is a common cylinder.

Description

A kind of theftproof lock

Technical field

The utility model belongs to mechanical lock, is specifically related to a kind of theftproof lock.

Background technology

At present, for the auxiliary lock of automobile, motorcycle, electric motor car, bicycle, mainly be the various locksets that on steering wheel and tire, use cylinder lock to make, its model, style and structure etc. all have different.In the present known lockset, its design principle is to utilize parts such as lock body, lock core, little pellet shot from a slingshot, little spring, lock shaft (card), guard ring to bring into play the function of lockset by the cooperation of key mostly.If a certain part of these locksets is destroyed artificially, very easily lose anti-theft effect, unblank by force as inserting lock core keyhole with so-called master key; Thereby the pellet shot from a slingshot and the spring that destroy in steady pin and the pellet shot from a slingshot hole with sharp device lose anti-theft feature, and all are the single precautionary measures of taking in these locksets, thereby antitheft defective and the leak of existing.

The utility model content

The technical problems to be solved in the utility model is to overcome above the deficiencies in the prior art, provides a kind of being not easy to open, the theftproof lock that theftproof performance is good.

The technical scheme that realizes the utility model purpose is as follows: theftproof lock comprises lock body assembly and interlock assembly;

Described lock body assembly comprises a cylindrical case, is provided with an opening on the shell at least, is provided with first lockable mechanism and second lockable mechanism in the shell; Described first lockable mechanism is made up of columned first lock core and figure ring, the surface of first lock core is provided with a cannelure and a straight trough vertical with cannelure at least, figure ring is enclosed within on first lock core corresponding with opening on the shell, the inner surface of figure ring is provided with projection and matches with cannelure or straight trough, the afterbody of first lock core has a tubular accommodation section, and the barrel of accommodation section is provided with draw-in groove; Second lockable mechanism is the common tapered end that comprises second lock core, be located at the afterbody of first lockable mechanism and be fixed on the shell, the afterbody of second lock core places in the accommodation section of the first lock core afterbody, and the side of the second lock core afterbody is provided with bayonet lock and matches with draw-in groove on the barrel of accommodation section;

Described interlock assembly comprises a base, base is made up of standing part and movable part, standing part has first connecting portion that is connected with movable part and second connecting portion that is connected with first lock core, first connecting portion of base standing part and movable part are positioned at described shell when locking, be provided with lock unit on the standing part of base and movable part.

Described lock unit by cooperate with vehicle steering can folding two grip blocks form, wherein a grip block is for deciding grip block, another grip block is moving grip block, a described end of deciding grip block is installed on the standing part of base, the other end is installed with stop rod, and described moving grip block is installed on the movable part of base; On the described base, its movable part is hinged on first connecting portion of its standing part.

Described lock unit is made up of two bows that can folding, and wherein a bow is for decide bar, and another bow is moving bar, describedly decides on the standing part that bar is installed in base, and an end that moves bar is hinged on to be decided on the bar, and the other end is installed on the movable part of base; On the described base, adopt joinery and its construction to cooperate between first connecting portion of its movable part and its standing part.

Described lock unit is cable wire or chain, and an end of cable wire or chain is installed on the standing part of base, and the other end is installed on the movable part of base; On the described base, adopt joinery and its construction to cooperate between first connecting portion of its movable part and its standing part.

The beneficial effect of the utility model method:

1, first lockable mechanism and second lockable mechanism, two cover lockable mechanisms have been adopted, wherein first lockable mechanism is the combination lock structure, second lockable mechanism is common tapered end, must open two cover lockable mechanisms when unblanking simultaneously, even second lockable mechanism is destroyed, first lockable mechanism still can be brought into play function, opens first lockable mechanism even know the cipher equally, there is not key can not open second lockable mechanism, so theftproof performance improves greatly.

2, second lockable mechanism is installed in the lock body shell, can't destroy the pellet shot from a slingshot in the common tapered end pellet shot from a slingshot hole and the steady pin of spring and fixed lock core, thereby reach better anti-theft effect.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 be among Fig. 1 A-A to view.

Fig. 3 be among Fig. 1 B-B to view.

Fig. 4 is the structural representation of first lock core among Fig. 1.

Fig. 5 is the outside drawing of Fig. 1

Fig. 6 is the user mode schematic diagram of Fig. 1.

Fig. 7 is the user mode schematic diagram of Fig. 2.

Fig. 8 is a different structure schematic diagram of the present utility model.

Fig. 9 is an another kind of different structure schematic diagram of the present utility model.

Figure 10 is the user mode schematic diagram of Fig. 9.

Figure 11 is another different structure schematic diagram of the present utility model.

The specific embodiment

Embodiment 1

Theftproof lock comprises lock body assembly and interlock assembly;

See Fig. 1 to Fig. 5, described lock body assembly comprises a cylindrical case 8, and shell 8 is provided with three openings 9, is provided with first lockable mechanism and second lockable mechanism in the shell 8; First lockable mechanism is made up of columned first lock core 21 and figure ring 10, the surface of first lock core 21 is provided with two straight troughs 13 vertical with cannelure 12 of three cannelures 12 and symmetry, figure ring 10 is enclosed within on first lock core 21 corresponding with opening 9 on the shell 8, two projections 11 that the inner surface of figure ring 10 is provided with symmetry match with cannelure 12 or straight trough 13, the afterbody of first lock core 21 has a tubular accommodation section 211, the head that the barrel of accommodation section 211 is provided with draw-in groove 6, the first lock cores 21 is provided with connecting thread; Second lockable mechanism is the common tapered end that comprises second lock core 3, as ball lock head and blade locking head, common tapered end comprises lock housing 2 and second lock core 3 that places in the lock housing 2, second lock core 3 is provided with annular positioning groove 5, cooperate second lock core 3 spacing with annular positioning groove 5 by the alignment pin 4 that is located on the lock housing 2, the afterbody that second lockable mechanism is located at first lockable mechanism is fixed on the shell 8 by end cap 1, the afterbody of second lock core 3 places in the accommodation section 211 of first lock core, 21 afterbodys, and the side of second lock core, 3 afterbodys is provided with the bayonet lock 7 of two symmetries and matches with draw-in groove 6 on the barrel of accommodation section; The front end of shell 8 is provided with rectangle opening 16, and the front bulkhead 801 of shell 8 can be spacing in shell 8 with first lock core 21;

Described interlock assembly comprises a base 15, base 15 is made up of standing part 151 and movable part 152, standing part 151 has first connecting portion that is connected with movable part 152 and second connecting portion 14 that is connected with first lock core 21, first connecting portion 17 and the movable part 152 of base standing part 151 are positioned at described shell 8 when locking, be provided with lock unit on the standing part 151 of base 15 and movable part 152; Described lock unit by cooperate with vehicle steering 22 can folding two

grip blocks

18,19 form, wherein a grip block is for deciding grip block 18, another grip block is moving grip block 19, a described end of deciding grip block 18 is installed on the standing part 151 of base, the other end is installed with stop rod 20, and described moving grip block 19 is installed on the movable part 152 of base; Base 15 places in the rectangle opening 16 of shell 8 front ends and is threaded with first lock core 21 by second connecting portion 14; On the described base 15, adopt hinge arrangement 17 to cooperate between first connecting portion of its standing part 151 and its movable part 152.

Operating principle:

The utility model is contained in locking states such as the Fig. 1 on the vehicle steering 22, shown in Figure 2, at this moment three figure rings 10 are in random stochastic regime, projection 11 on each figure ring 10 is positioned at the cannelure 12 on first lock core 21 that cooperates with it separately brokenly, meanwhile, the bayonet lock 7 of second lock core, 3 afterbodys matches with the draw-in groove 6 of first lock core, 21 afterbodys, first lock core 21 can not axially-movable under the bayonet lock 7 dual lockings of projection on the figure ring 10 11 and second lock core, 3 afterbodys, in the rectangle opening 16 that first connecting portion 17 of the base 15 in the interlock assembly and movable part 152 are stuck in shell 8, make moving grip block 19 limited can't opening and constitute state, utilize stop rod 20 to reach antitheft purpose with vehicle steering 22 is stuck vehicle steering 22 clampings with deciding grip block 18.

When unblanking, as Fig. 6, shown in Figure 7, inserting second lock core 3 with key 23 rotates in the direction of arrows, make the bayonet lock 7 of second lock core, 3 afterbodys withdraw from the draw-in groove 6 of first lock core, 21 afterbodys, stirring three figure rings 10 respectively according to default number, make projection 11 on each figure ring 10 all be positioned at straight trough 13 positions on first lock core 21, at this moment first lock core 21 be in release conditions can the opposite shell axially-movable, as long as being pulled back the base 15 that just can make interlock assembly, shell stretches out shell, moving grip block 19 is in free state and can rotates around hinge arrangement 17 and decide grip block 18 relatively and open, lockset is unloaded from vehicle steering 22, and vehicle steering 22 can normally use.

Embodiment 2

See Fig. 8, different is to drive gathering sill 212 at first lock core 21 for present embodiment and embodiment 1, and it is spacing in shell 8 with first lock core 21 to establish spacer pin 802 at shell 8, and base 15 can adopt with shell 8 endoporus cylindrically accordingly like this, helps assembling.

Embodiment 3

See Fig. 9, present embodiment can be used for locking the tire of automobile, motorcycle, electric bicycle and door etc., and its lock body assembly is identical with embodiment 1, has only interlock assembly and embodiment 1 different.

Described lock unit is made up of two

bows

24,26 that can folding, wherein a bow is for deciding bar 24, another bow is moving bar 26, describedly decide on the standing part 151 that bar 24 is installed in base 15, one end of moving bar 26 is hinged on bearing pin 25 to be decided on the bar 24, and the other end is installed on the movable part 152 of base; On the described base 15, adopt joinery and its construction 27 to cooperate between first connecting portion of its standing part 151 and its movable part 152; Base 15 places in the rectangle opening 16 of housing 8 front ends and is threaded with first lock core 21 by second connecting portion 14.During locking states, first connecting portion of standing part 151 and movable part 152 (comprising joinery and its construction 27) are stuck in the rectangle opening 16 of shell 8 on the base 15, make to move bar 26 limited can't opening.When unblanking, see Figure 10, moving bar 26 is in free state and can rotates around bearing pin 25 and decide bar 24 relatively and open.

Embodiment 4

See Figure 11, present embodiment is similar to Example 3, and just lock unit has replaced two bows on the base 15 with cable wire or chain 28, and using method is identical.One end of cable wire or chain 28 is installed on the standing part 151 of base 15, and the other end is installed on the movable part 152 of base 15.

Claims

1. a theftproof lock is characterized in that comprising lock body assembly and interlock assembly;

2. theftproof lock according to claim 1, it is characterized in that described lock unit by cooperate with vehicle steering can folding two grip blocks form, wherein a grip block is for deciding grip block, another grip block is moving grip block, a described end of deciding grip block is installed on the standing part of base, the other end is installed with stop rod, and described moving grip block is installed on the movable part of base; On the described base, its movable part is hinged on first connecting portion of its standing part.

3. theftproof lock according to claim 1, it is characterized in that described lock unit is made up of two bows that can folding, wherein a bow is for deciding bar, another bow is moving bar, describedly decide on the standing part that bar is installed in base, one end of moving bar is hinged on to be decided on the bar, and the other end is installed on the movable part of base; On the described base, adopt joinery and its construction to cooperate between first connecting portion of its movable part and its standing part.

4. theftproof lock according to claim 1 is characterized in that described lock unit is cable wire or chain, and an end of cable wire or chain is installed on the standing part of base, and the other end is installed on the movable part of base; On the described base, adopt joinery and its construction to cooperate between first connecting portion of its movable part and its standing part.