CN2632235Y

CN2632235Y - Anti-disorder padlock with variable code

Info

Publication number: CN2632235Y
Application number: CN 03263460
Authority: CN
Inventors: 黄健勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-05-30
Filing date: 2003-05-30
Publication date: 2004-08-11
Anticipated expiration: 2013-05-30

Abstract

The utility model discloses an anti-disorder variable number padlock formed from the basic lockset of a traditional variable number padlock, in which a gap wheel inner edge is provided with a protruding ring of which one end forms a arc gap to make an non-circle punch hole in the gap wheel center. when a lock rod and a latch hook pass through the punch hole, an arc brim at one end of the lock rod can be leaned by the latch hook; at the unlocking position, the three gap groove of the latch hook departs respectively from the arc gap of three gap wheel, the arc gap is locked by the latch hook and can not be droved by number wheel, and thereby preventing the number wheel to be moved by false trigger at an unlocking status in addition to the position of deadlock and number reversal, thus avoiding operate miss or trouble by user.

Description

Anti-disorderly variable combination lock

Technical field

The utility model relates to the variable combination lock of a kind of anti-unrest, refers to a kind of combination lock especially, and when locking and reversion position, digit wheel can rotate; But digit wheel there is no method and rotates when lockset position of coupler, thereby can prevent unlocking condition the time, because of operate miss or false touch digit wheel form the mess code phenomenon.

Background technology

Present commercially available variable combination lock, owing to do not need the key just can the switch lockset, and can reset the number of unblanking according to own the hobby, thereby liked by masses, this padlock is to utilize latch hook to carry out the function that number (reversion) is opened in conversion with respect to the specific reversion position (being different from locked position of coupler and enable possition) of lock body mostly.

Yet, locking is also arranged, open the differentiation of reversion with respect to lock body though commonly use as the latch hook of U.S. Pat .PAT.NO.4733548 number variable combination lock, but, cause operation to go up the user and must take great energy especially to watch out for chaotic generation, the good fortune of non-consumer in fact because of the disappearance of its congenital structure.

Trace it to its cause, unexpectedly identical with locking, reversion position in the enable possition, digit wheel all can without hindrancely freely be rotated, if the user when its enable possition accidentally touching rotated digit wheel, former unlatching number must it be returned to again, the rather inconvenience of locking or reversion position of being allowed for access.What is more: enter the reversion position by the elastic force that promotes the latch hook extrusion spring by the enable possition and dial the commentaries on classics digit wheel to new digit if the user thinks reversion, when rotating digit wheel if loose one's grip accidentally, restoring force because of spring, cause latch hook to be pushed back the enable possition by the reversion position, if user do not examine also is rotated further digit wheel and will causes " mess code " that is user will not to know its certain number and fault of unblanking.

Summary of the invention

In view of this utility model designer accumulates and is engaged in this journey experience for many years, studies intensively and test improvement repeatedly, nowadays creates a kind of novel variable combination lock of anti-unrest finally, can forgo and commonly use the product shortcoming, to promote effect.

Main purpose of the present utility model is to provide a kind of anti-unrest variable combination lock, and except that the position (as locking, reversion) of nonessential rotation digit wheel, digit wheel can not be rotated; Just when lockset position of coupler, digit wheel can't rotate at all, in order to clearly to distinguish each position and to prevent user's operate miss.

For achieving the above object, the main technical schemes that the utility model adopts is: the variable combination lock of a kind of anti-unrest, comprise members such as three digit wheels, three breach wheels, latch hook, locking bar, upper stop piece and spring, wherein the digit wheel inner edge has the interior perforation that can mesh for the tooth of breach wheel outer rim, so that digit wheel drives the rotation of breach wheel, digit wheel and breach wheel also are cross-placed in the tongue of lock body, and the breach of hollow wheel runs through for latch hook and locking bar, it is characterized in that:

Have three short slots on the latch hook, breach wheel inner edge has a bulge loop, this bulge loop one end is formed with a breach, breach is taken turns the perforation that supplies latch hook and locking bar to run through simultaneously that has at center, locking bar one end has for latch hook by having the circular hole that the confession latch hook runs through on the arc limit of putting, its base plate, floor below has the projection of ammunition feed spring clip, and the locking bar top is against upper stop piece, and upper stop piece has the dog hole that runs through for latch hook; When desiring to unblank, the short slot of the notch alignment latch hook of breach wheel, latch hook can on draw, short slot is shifted out from the indentation, there of breach wheel, this breach is then blocked by latch hook and can't rotate because of the drive of digit wheel, thereby can prevent digit wheel to be struck when unlocking condition and cause the user not know its unblank really number and fault.

In addition, can have upper and lower protruding grain on the latch hook, the epirelief grain can be stretched out by the protruding grain hole on lock body top when unblanking, and following protruding grain is pulled to the top dead-centre of below, the protruding grain of lock body hole, so that latch hook is limited.

Upper stop piece can be provided with the tongue piece in the tongue piece that can stretch into lock body, can press down for the epirelief grain of latch hook during reversion to promote the breach wheel to move down, and makes the tooth of breach wheel separate with the interior perforation of digit wheel, and the rotation digit wheel just can be set the number of newly unblanking.

The perforation at breach wheel center can be the perforation of two large and small crossing round profiles.

Understand for the utility model being had further, it is as follows that Zi Zuo describes the utility model in detail with diagram:

Description of drawings

Fig. 1: the plan view of the utility model locking.

Fig. 2: the part top view of the utility model locking.

Fig. 3: the phantom of the utility model locking.

Fig. 4: the plan view that the utility model is unblanked.

Fig. 5: the part top view that the utility model is unblanked.

Fig. 6: the phantom that the utility model is unblanked.

Fig. 7: the plan view of the utility model reversion.

Fig. 8: the phantom of the utility model reversion.

Fig. 9: vertical view of the present utility model.

The specific embodiment

See also Fig. 1～shown in Figure 3, be equipped with three digit wheels 2 in the utility model lock body 1, three breach wheel 3, latch hook 4, locking bar 5, members such as upper stop piece 6 and spring 7, wherein the interior perforation 21 of digit wheel 2 inner edges can be taken turns tooth 31 engagements (as Fig. 2) of 3 outer rims for breach, so that digit wheel 2 drives 3 rotations of breach wheel, digit wheel 2 together is cross-placed in the groove 11 of lock body 1 with breach wheel 3, the number of digit wheel 2 also stretches out outside the lock body 1 so that stir digit wheel 2, breach wheel 3 is essentially a cylinder, its outer rim have tooth 31 can with interior perforation 21 interlocks of digit wheel 2, the cylinder inner edge is established a bulge loop 32, bulge loop 32 is established a breach 321, it is shaped as the part of circular arc, and tangent with the inner edge of cylinder, can pass for part (cross section) latch hook 4; The perforation 33 that breach is taken turns 3 centers is one big, the external form that the small sircle hole diameter intersects, can run through for locking bar 5 and latch hook 4 respectively, the arc limit 51 of locking bar 5 one ends can be for cylindrical latch hook 4 by putting, circular hole 521 on its base plate 52 can run through for latch hook 4, but projection 522 ammunition feed springs 7 clips of base plate 52 belows, locking bar 5 tops are against upper stop piece 6, the dog hole 61 of this upper stop piece 6 can run through for latch hook 4, the aperture of this dog hole 61 is big than circular hole 521 apertures of base plate 51, the tongue piece 62 that upper stop piece 6 tops protrude out stretches in the tongue piece hole 12 of lock body 1 (as Fig. 9), this tongue piece 62 and near latch hook 4.

In addition, the upper and lower protruding

grain

41,42 of tool, bottom, side tool three short slots 43 (as Fig. 4) on the latch hook 4 front shanks, as Fig. 1～shown in Figure 3, when digit wheel 2 is not when correctly unblanking number, three short slots 43 of latch hook 4 are lived for bulge loop 32 clips of breach wheel 3 respectively, latch hook 4 can't on draw, and be blocking.

As Fig. 4～shown in Figure 6, digit wheel 2 is when correctly unblanking number, the bulge loop 32 of breach wheel 3 is not the short slot 43 that clip is lived latch hook 4, and aim at the short slot 43 of latch hooks 4 by the breach 321 of breach wheel 32, so latch hook 4 just can on draw, the epirelief grain 41 of latch hook 4 can be stretched out (as Fig. 9) by the protruding grain hole 13 on lock body 1 top, form unlocking condition, the position that the following protruding grain 42 restriction latch hooks 4 of latch hook 4 draw on unblanking, being latch hook 4 draws on the back unblanking, and draws to break away from lock body 1 (as Fig. 4) on can't be again just protruding instantly grain 42 is pulled to the top dead-centre 131 of 13 belows, 1 protruding hole of lock body.

As shown in Figures 7 and 8, when desiring reversion, latch hook 4 is counterclockwise revolved by Fig. 4 unlocking condition and turn 90 degrees and press down, the tongue piece 62 that the epirelief grain 41 of latch hook 4 can promote upper stop piece 6 downwards and push breach simultaneously and take turns 3 downward, breach wheel 3 is separated with the state of interior perforation 21 interlocks by original tooth 31 with digit wheel 2, so rotation digit wheel 2 to new digit also returns back to original position by the restoring force of spring 7 with latch hook 4, just finishes the reversion formality.

Consult Fig. 4～lockset position of coupler shown in Figure 6, latch hook 4 is drawn out, short slot 43 on the latch hook 4 is removed from breach 321 places of breach wheel 3, this breach 321 is blocked by latch hook 4 solid (short slot 43 parts are not arranged) and can't rotate because of the drive of digit wheel 2, this is the place of the utility model principal character, except that the position (as locking and reversion position) of nonessential rotation digit wheel 2, when digit wheel 2 can not be rotated during at lockset position of coupler, thereby can clearly distinguish each position to prevent the user, operate miss and rotate digit wheel and cause and do not know its unblank really number and fault.

In sum, the anti-disorderly variable combination lock of the utility model can be improved the shortcoming of commonly using variable combination lock and promotes effect, and its practical effect is when unquestionable.

Claims

1, the variable combination lock of a kind of anti-unrest, comprise members such as three digit wheels, three breach wheels, latch hook, locking bar, upper stop piece and spring, wherein the digit wheel inner edge has the interior perforation that can mesh for the tooth of breach wheel outer rim, so that digit wheel drives the rotation of breach wheel, digit wheel and breach wheel also are cross-placed in the tongue of lock body, the breach wheel of hollow runs through for latch hook and locking bar, it is characterized in that:

Have three short slots on the latch hook, breach wheel inner edge has a bulge loop, this bulge loop one end is formed with a breach, breach is taken turns the perforation that supplies latch hook and locking bar to run through simultaneously that has at center, locking bar one end has for latch hook by having the circular hole that the confession latch hook runs through on the arc limit of putting, its base plate, floor below has the projection of ammunition feed spring clip, and the locking bar top is against upper stop piece, and upper stop piece has the dog hole that runs through for latch hook.

2, the variable combination lock of anti-unrest as claimed in claim 1 is characterized in that: have upper and lower protruding grain on the latch hook.

3, the variable combination lock of anti-unrest as claimed in claim 1 is characterized in that: upper stop piece is provided with the tongue piece in the tongue piece that can stretch into lock body.

4, the variable combination lock of anti-unrest as claimed in claim 1 is characterized in that: the perforation at breach wheel center is the perforation of two large and small crossing round profiles.