CN202450879U

CN202450879U - Combination lock with antitheft and false combination prevention structure

Info

Publication number: CN202450879U
Application number: CN2012200285411U
Authority: CN
Inventors: 谭耀新
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-01-12
Filing date: 2012-01-12
Publication date: 2012-09-26
Anticipated expiration: 2022-01-12

Abstract

The utility model relates to a combination block with an antitheft and false combination prevention structure. The combination lock is simple in structure and high in antitheft performance. The combination lock comprises a female plug, a male plug, a combination changing mechanism and a plurality of combination wheel components, wherein each combination wheel component comprises a clutch wheel, a combination rotary wheel and a positioning seat with a positioning spring; a plurality of false slots used for preventing thieves from determining combinations by sensing are arranged in the clutch wheel; and the false slots are not through slots and play the role of preventing thieves from trying out the unlocking combination by listening or hand feeling.

Description

Coded lock with the false code structure of antitheft

Technical field

The utility model relates to a kind of lock, particularly relates to a kind of coded lock with the false code structure of antitheft.

Background technology

A kind of coded lock is disclosed in the one Chinese patent application CN101725279A of on 06 09th, 2010 bulletin; Its each cipher wheel assembly is made up of rotating disk, moving runner and interior wheel; Moving runner is through moving runner latch and the tight interlock of rotating disk draw-in groove, and interior wheel cooperates with the circular arc draw-in groove of rotating disk through elastic cantilever and cylinder, and rotational positioning groove and the interior wheel locating slot on the interior wheel that female row passes through on locating convex block and the moving runner cooperate; Male row cooperates through moving runner groove on positioning convex strip and the moving runner and the interior wheel groove on the interior wheel; During the actual use of this coded lock, if the robber outwards holds public insert and during rotation password runner, the edge of the groove of unblanking on the moving runner that rotates with the password runner can and produce between sealed and flips and let the robber confirm this password; Thereby realize unblanking, so its theftproof performance is low.

Summary of the invention

The purpose of the utility model is the low problem of theftproof performance that exists in the existing password lock in order to solve, and a kind of simple in structure, coded lock that theftproof performance is high is provided.

The purpose of the utility model is achieved in that a kind of coded lock with the false code structure of antitheft; Comprise female slotting, public insert, become ink recorder structure and some cipher wheel assemblies; Wherein said cipher wheel assembly is made up of the positioning seat of castle wheel, password runner and band retainer spring, on castle wheel, is provided with several and prevents that the robber from confirming the false groove of sign indicating number position with sense of touch; This vacation groove is not a groove, and its effect is to prevent that the robber from trying out unlocking cipher with audition or feel mode.

Owing to adopted the described technical scheme of the utility model, on castle wheel, offered several false grooves, when the robber has audition or feel mode to sound out unlocking cipher; False groove can be mixed the spurious with the genuine; Prevent that the robber from unblanking, improve theftproof performance, and this is simple in structure, cost is low.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

Fig. 1 is the said perspective exploded view of a specific embodiment with coded lock of the false code structure of antitheft of the utility model.

Fig. 2 is female stereo amplification figure of inserting another angle among Fig. 1.

Fig. 3 is the stereo amplification figure of another angle of password runner among Fig. 1.

Fig. 4 is the stereo amplification figure of another angle of castle wheel among Fig. 1.

Fig. 5 is the stereo amplification figure of another angle of positioning seat among Fig. 1.

Fig. 6 is the stereo amplification figure of another angle of retainer spring among Fig. 1.

Fig. 7 is the schematic perspective view after positioning seat and the retainer spring among Fig. 6 among Fig. 5 links together.

Fig. 8 is the stereogram of another angle of Fig. 4.

Fig. 9 is the stereogram of another angle of Fig. 8.

Figure 10 is the stereo amplification figure of another angle of stitching wheel among Fig. 1.

Figure 11 is the stereo amplification figure of another angle of adjusting knob among Fig. 1.

Among the figure 91,94, sheath, 5, female inserting, 50, draw-in groove, 51, slot, 52,53, positioning table, 92, spring; 1, castle wheel, 2, the password runner, 3, positioning seat, 4, retainer spring, 6, stitching wheel; 7, adjusting knob, 8, public inserting, 81, sealed, 82, the gap, 93, card is situated between; 21, teeth groove, 22, locating slot, 11, the groove of unblanking, 12,13, the assembling breach; 15, latch, 30, reference column, 31, groove, 32,33, guide slot; 40, locating hole, 41,42, elastic arm, 410,420, positioning head, 14, false groove; 61, guiding surface, 62, locating notch, 71,72, become a sign indicating number pressure head.

The specific embodiment

See Fig. 1; Said coded lock with the false code structure of antitheft comprises female slotting 5, public slotting 8; The change ink recorder structure that constitutes by stitching wheel 6 and adjusting knob 7; And by four castle wheels 1, four password runners 2, four positioning seats 3 and four four groups of cipher wheel assemblies that retainer spring 4 constitutes respectively, female both sides of inserting are respectively equipped with positioning table 52 and 53, and public slotting 8 are provided with four sealed 81.The coded lock with the false code structure of antitheft in the present embodiment uses from 0 to 9 numerical ciphers.

See Fig. 1; During assembling; Respectively spring 92, four groups of cipher wheel assemblies, stitching wheel 6, adjusting knobs 7 are packed into by order illustrated and femalely to insert 5; To block Jie 93 again and stretch into the draw-in groove 50 that blocks slotting 5 ends of mother through the card crack of adjusting knob 7 sidewalls and each part is fixed in female the inserting, and then sheath 91 and 94 will be pressed into mother slotting 5 and public 8 the tail end of inserting respectively.

In conjunction with Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7; The password runner of Fig. 3 is respectively equipped with ten teeth groove 21 and ten locating slots 22; Castle wheel among Fig. 4 is provided with five latches 15; Latch 15 among Fig. 4 is stretched in wherein five teeth groove 21 of corresponding diagram 3 castle wheel among Fig. 4 during assembling; The locating hole 40 of retainer spring matches with the reference column 30 of positioning seat shown in Figure 5 among Fig. 6; It is as shown in Figure 7 that semicircular retainer spring and positioning seat are installed the back, with retainer spring shown in Figure 7 and positioning seat will be shown in Figure 3 adjusting knob on the left of pack into, the

positioning head

410 and 420 of two

elastic arms

41 and 42 ends among Fig. 7 is snapped in respectively in interior wherein two the relative locating slots 22 of adjusting knob shown in Figure 3.

See Fig. 8 and Fig. 9, castle wheel is provided with some false grooves 14, the stitching wheel among Figure 10 be provided with two guiding surfaces 61 and locating notch 62 respectively with Figure 11 in the adjusting knob two become sign indicating number pressure heads 71 and match.

The principle explanation; See Fig. 1; Two guide slots 32 of the positioning seat 3 in the coded lock after the installation and 33 (see figure 5)s match with the positioning table 52 and 53 that mother inserts both sides respectively; Make positioning seat 3 not insert rotation, and castle wheel 1 is just inserted between the adjacent positioning table 52 or 53, can insert 5 with respect to mother to rotate mother with respect to mother; Adjust each password runner 2 during use behind correct password place; The slot 51 that the groove 11 of unblanking of each castle wheel 1 is plugged over against mother can insert public slotting 8; Public affairs are plugged sealed 81 passes adjusting knob 7, stitching wheel 6, positioning seat 3, castle wheel 1 respectively and matches with slot 51 that mother plugs; Dial random each password runner 2 and drive castle wheels 1 rotation and make unblank groove 11 (see figure 4)s and the female slot of plugging 51 dislocation on the castle wheel 1 (sealed 81 dislocation of promptly plugging with public affairs), castle wheel 1 is positioned at public 82 places, gap that insert, public affairs are plugged sealed 81 block castle wheel 1 and public mortise lock fixed on can not unblank in female the inserting; At this moment; Castle wheel can not move vertically, so rotation adjusting knob 7 is also inoperative, therefore can not change unlocking cipher; Only need when unblanking again each cipher wheel to be dialled to get back to correct place, password position; Cipher wheel drives corresponding castle wheel and turns to its groove 11 of unblanking and can public affairs be inserted 8 over against slot 51 places that mother plugs and extract out and realize unblanking; When password runner 2 revolutions moved a sign indicating number position (present embodiment is 18 degree); Positioning

head

410 and 420 among Fig. 7 falls into respectively in the next locating slot 22 of Fig. 3 password runner, so that the password runner is positioned.

See Fig. 1; When revising password, must be positioned at correct place, sign indicating number position, rotate adjusting knob 7 at each password runner; Make the adjusting knob 7 inner locating notches 62 of two change sign indicating number pressure heads 71 (seeing Figure 11) from Figure 10 slide to guiding surface 61; Stitching wheel 6 is moved towards the direction that overcomes spring 92 spring forces vertically, and the teeth groove 21 among five latches 15 that make castle wheel 1 and Fig. 3 on the password runner separates (castle wheel moves axially), and rotate to new password sign indicating number position place with the password runner this moment and castle wheel can not rotate thereupon; After adjusting each password runner, adjusting knob 7 resetted to get final product.

Generally speaking, the positioning seat in the present embodiment uses the lower material of price, and retainer spring uses the senior plastics with higher elasticity.In the time of will changing if retainer spring fractures, only need the adjusting knob among Fig. 1 is pulled down, the positioning seat of correspondence pulled out from the password runner, remove broken down retainer spring, after newer loading onto got final product, need not whole coded lock is taken apart.

See Fig. 8 and Fig. 9, also be provided with several false grooves 14 on the castle wheel, false groove 14 is not a groove, the size of its cross section with unblank groove quite or be slightly larger than the groove of unblanking, effect is to prevent that the robber from trying out unlocking cipher with audition or feel mode.As when the locking state, if the robber outwards holds public insert and during rotation password runner, the edge of the groove 11 of unblanking on the castle wheel can and Fig. 1 in sealed 81 between produce and flip and let the robber confirm this password.Several false grooves 14 that the utility model is offered on castle wheel can lure the robber to take for correct password; Its principle is also can occur the slight effect of touching during over against false groove 14 as sealed 81 of rotating that the password runner drives that castle wheel rotates to that public affairs plug of robber; It is correct to make the robber take for this yard position; In fact should can not let sealed to pass through by vacation groove 14, thereby prevent that the robber from unblanking.

Positioning seat in the utility model and retainer spring also can be integral structure.

Claims

One kind have the antitheft false code structure coded lock; Comprise female slotting, public insert, become ink recorder structure and some cipher wheel assemblies; Said cipher wheel assembly is made up of the positioning seat of castle wheel, password runner and band retainer spring, it is characterized in that on castle wheel, being provided with several and prevents that the robber from confirming the false groove of sign indicating number position with sense of touch.