CN2344489Y - Number padlock using double ball and retainer to control its locking and unlocking - Google Patents

Abstract

The utility model relates to a number padlock using double balls and a baffle plate to control the locking and the unlocking, comprising a padlock shell body, lock hooks of two hook rod holes which are pivoted with the padlock shell body, a multi-number wheel, a sleeve barrel and a number changing device. A ball groove is arranged in the padlock shell body, and two lock balls are arranged in the ball groove through an elastic crossbar. The multi-number wheel and the sleeve barrel are screwed with a lock shaft which is transversely arranged in the padlock shell body. A baffle plate which biases to the sleeve barrel is also arranged in the padlock shell body. When the utility model is under the locking state, the baffle plate is biased by the sleeve barrel, and is positioned between the two lock balls to preventing the inward shrinking of the two lock balls. When the right unlocking number is dialed, the baffle plate does not block the two lock balls, and the lock hooks can be pulled up to pushing the two lock balls inwards for unlocking.

Description

Combination lock with two pearls and baffle controls keying

The utility model relates to a kind of combination lock that opens and closes with two pearls and baffle controls.

Common combination lock generally uses complicated controlling organization to come padlock to live a shank of padlock latch hook, for example comes the padlock latch hook and locking with lock dog, prominent pin or so-called brake block, or releasing is unblanked to the buckle of shank; But mechanism's volume of these padlock shanks is big, takies sizable space in the lock housing, and mechanism is comparatively complicated, has increased mounting hardness and cost of manufacture.

The purpose of this utility model is to provide a kind of combination lock that opens and closes with two pearls and baffle controls, controls the keying of latch hook with two lock pearls, replaces complicated controlling organization, has simplified structure, thereby has reduced cost.

The purpose of this utility model can be passed through, and technical scheme realizes: a kind of combination lock that opens and closes with two pearls and baffle controls, its formation comprise a padlock housing, have long and short shank and respectively pivot close in latch hook in two shank holes of housing, the housing and also be provided with most digit wheels and a sleeve and a reversion device, it is characterized in that being provided with in the housing pearl groove, two lock integument elasticity stulls are located therein, most digit wheels are rotatably connected on the lock shaft that is horizontally placed in the housing with sleeve, also be provided with in the housing one the baffle plate that moves by sleeve partially.

Operating principle of the present utility model is that under the blocking, baffle plate is moved partially and is interval between the two lock pearls by sleeve institute, stops in the two lock pearls to contract; When dialling when unblanking number, this baffle plate of sleeve start is block two lock pearls no longer, are able to the pull-up latch hook, in push away two lock pearls and unblank.But and advance these sleeves to separate by the setting turn of reversion device with digit wheel, to reset the new number of unblanking.

Realization of the present utility model also can be by following measure: be equipped with a flat-cut portion on the described sleeve; Described baffle plate is provided with a pivot point portion that is hubbed at bottom in the housing, also offers the upwards pin of projection of most digit wheel slotted eyes and on the baffle plate side by side.Baffle plate can be fitted with the flat-cut portion of sleeve periphery be upright, contracts in the order lock pearl and becomes unlocking condition; Or, the moving partially deflection of institute of the flat-cut portion of this sleeve between two lock pearls, stop two to lock to shorten in the pearls and be blocking for making this pin projection.

Wherein, respectively this lock pearl is to be round bead shape trip embedding or to be connected with on a lock pearl seat, with the tension spring support, can be shifted in the horizontal pearl groove of housing between this two locks pearl seat; This lock pearl seat adhesion one guide rod laterally sleeves in the bar hole of housing, by horizontal correcting should lock pearl seat guide rod slippage, in locking, in contract when respectively locking pearl, make this lock pearl seat guide rod in move by this baffle plate pin institute block.

Wherein, this two locks pearl seat can be reduced to one " bowl pearl " respectively and link to each other with latch plate, and this latch plate becomes the locking shape for outside support two lock pearls with the arc groove of buckle latch hook two shanks usually.

Wherein, this lock pearl is to be connected with on a lock pearl seat arm, and each arm mat mortise pin is articulated in the housing, shore with tension spring between this two locks pearl arm and match, the arc groove of buckle latch hook two shanks becomes the locking shape.

Wherein, described reversion device comprises that one contains the ejector sleeve of a mesopore, this ejector sleeve is sleeved on lock shaft another axle head with respect to resetting spring, one follower lever is from this ejector sleeve extension and contain a cam chair, other has one to drive button, its lower end is provided with a cam that matches with the cam chair of follower lever, and offers a groove at the top of driven button.After unblanking, can instrument (as bottle opener) stretch into and rotate this driving button from the shank hole, with move partially, advance this follower lever and connected ejector sleeve, all sleeves that forces back leave digit wheel and are able to freely to dial commentaries on classics, reset the new number of unblanking.

Describe feature of the present utility model in detail and implement effect and advantage below in conjunction with accompanying drawing and preferred embodiment.

The explanation of accompanying drawing drawing

Fig. 1 is a front section view of the present utility model.

Fig. 2 is a side sectional view of the present utility model.

Fig. 3 is the schematic diagram of the two pearls of the utility model.

Lateral view when Fig. 4 is the utility model locking.

Fig. 5 is the utility model reversion operation chart.

Fig. 6 is a reversion device exploded view of the present utility model.

Fig. 7 is the operation chart of the utility model reversion device.

Fig. 8 is the sectional view of another embodiment of the utility model.

Fig. 9 is the schematic diagram of the another embodiment of the utility model.

Figure 10 is the utility model schematic diagram of an embodiment again.

To shown in Figure 7, combination lock structure of the present utility model comprises as Fig. 1: a housing 1 and becomes the inverted U pivot to close latch hook 2 in this housing 1 approximately; Be provided with a pearl groove 15 in the housing 1, two lock pearls 7 are located therein by the elasticity stull, most digit wheels 3 and sleeve 4 are rotatably connected on the lock shaft 5 that is horizontally placed in the housing 1, one baffle plate 6, block two lock pearls 7 and to make padlock be the locking shape then when it is inclined in the housing 1, baffle plate 6 then allows two locks to contract in the pearls and is able to pull-up latch hook 2 and makes padlock for unblanking shape when standing in the housing 1, also be provided with a reversion device 8 in this housing 1.

This housing 1 offers two dog holes 11,12, in order to pivot should the long shank 21 of U-shape lock hook 2 and short shank 22, the long shank 21 bottom pivots of this U-shape lock hook close, slippage is in a post hole 13 of housing 1, make this long shank 21 can in post hole 13, pivot, be shifted up and down, but limit it and must not detach this post hole 13, other has most digit wheels hole 14 to be opened in the surface of housing 1, makes all digit wheels 3 can stretch out the surface of housing 1 for freely dialling commentaries on classics.

Be arranged with two arc grooves 211,221 on the long and short shank 21,22 of this latch hook 2 respectively, to be fit to two lock pearls 7.

Be equipped with a plurality of recesses 31 on the digit wheel 3 in order to the lobe 41 on each sleeve 4 of fit, make it mutual interlock, be beneficial to interlock and dial commentaries on classics.

Sleeve 4 mat mesopores 40 are rotatably connected on the lock shaft 5, are equipped with a flat-cut portion 42 on each sleeve 4, are vertical configuration and smooth above-mentioned baffle plate 6 makes it to be vertical under unlocking condition, form unblank (as the solid line among Fig. 2).

Lock shaft 5 crosses in the housing 1, end cover unification resetting spring 50, and these spring 50 sustainable pushing tow sleeves 4 make it interlock digit wheel 3, but are unblanking or dialling during locking and change digit wheel interlock sleeve 4.

There is a pivot point 61 to be hubbed at bottom in the housing 1 on the above-mentioned baffle plate 6, offer most number races hole 62 on the baffle plate 6 side by side, so that each digit wheel 3 can be given prominence to inner housing digit wheel hole 14 and stretch out in the outer commentaries on classics of being convenient to dial, baffle plate 6 also is provided with a pin 63, when being interval between the two lock pearls 7, its projection that makes progress to play the effect of locking, promptly this baffle plate 6 can be fitted with a flat-cut portion 42 of sleeve 4 peripheries and is upright formation and unblank, or moving partially and be deflection by 42 in the flat-cut portion of this sleeve 4, make these pin 63 blocks two lock pearls 7 in contract and form locking.

Lock pearl 7 is round bead shape, trip is embedded on the lock pearl seat 71, pushes up with tension spring 72 retainings between the two lock pearl seats 71, and slippage in the horizontal pearl groove 15 of housing 1, but left and right two of this pearl groove 15 extremely has bead angle 151 respectively to lock pearl 7 with restriction, avoids it outwards to tumble in each shank hole 11,12.Tension spring 72 has the involution function, to lock pearl seat 71 application of forces, makes lock pearl 7 rely on both sides in switching motion as far as possible; And this spring 72 also has the function of location two lock pearls, makes it can not move.

As shown in Figure 8, the lock pearl seat 71 of two lock pearls 7 can be modified and be reduced to one with continuous " pearl bowl " 71a of latch plate 72a, can make making more simple and easy like this.Outside support two is locked pearls 7 during this latch plate 72a nature, makes it to be able to when locking the arc groove 211,221 of buckle latch hook two shanks, and certainly, this latch plate 72a also has involution and the function of locating two lock pearls 7 as described above.

And for example shown in Figure 9, each lock pearl seat arm 71b mat mortise pin 711 of locking pearl 7 is articulated in the housing 1, shore with tension spring 72 between the two lock pearl seat arm 71b make it can to coincide when the locking, the arc groove 211,221 of buckle latch hook two shanks to be to reach the purpose of locking.Certainly, this tension spring 72 has involution and the function of locating two lock pearls equally.

8 in described reversion device as shown in Figure 6, comprise that one contains the ejector sleeve 81 of mesopore 811, this ejector sleeve 81 is sleeved on lock shaft 5 another axle head with respect to resetting spring 50, one follower lever 82 is from these ejector sleeve 81 extensions and contain a cam chair 821, other has one to drive button 83, its lower end is provided with a cam 831 that matches with the cam chair 821 of follower lever, and offer a groove 832 at the top of driven button 83, after unblanking, with instrument (as bottle opener) from the shank hole 12 deeply to turn to " R " to rotate this driving button 83, with moving partially, advance this follower lever 82 and connect ejector sleeve 81, all sleeves 4 that forces back leave digit wheel 3 and are able to freely dial commentaries on classics, reset the new number of unblanking.

When unblanking, dial the correct number of unblanking, make the flat-cut portion 42 smooth baffle plates 6 of sleeve 4, baffle plate 6 is upright, and pin 63 no longer is in the interval of two lock pearls 7, two lock pearls 7 not by 63 blocks of pin and in contract, latch hook 2 is able to pull-up, becomes the shape of unblanking.

During locking, moving partially this baffle plate 6 of the flat-cut portion 42 of sleeve 4 makes pin 63 deflections, moves between the two lock pearls 7, stop in the two lock pearls 7 and contract, this moment because of two lock pearls 7 can not in contract, can't go up zip hook 2, and reach the purpose of locking.

As shown in figure 10, each lock pearl seat 71 of locking pearl 7 is the horizontal guide rod 710 of adhesion one slip in the bar hole 16 of housing 1 still, and by being when contracting in locking pearl 7, guide rod 710 can be become locking by 63 blocks of this baffle plate pin; And the slippage of lock pearl seat 71 and will be definite more and reliable with the correlation of baffle plate pin 63, can increase thus that the utility model closes, unlock operation stable and reliable.

Can sum up the advantage that the utility model compares with known combination lock by the above is:

1, control the keying of latch hook 2 with two lock pearls 7, needn't use complicated controlling organization, simple structure, Make cost and more be rich in economic worth.

2, whether lock pearl 7 inside contracts, and depends on the upright or deflection of baffle plate 6 pins 63, lock pearl 7 interior pressures Strength is horizontal effect (such as the lateral arrows of Fig. 1), so baffle plate 6 can not be subjected to vertical direction Therefore pressure can torsional deformation or fracture, more can increase the service life.

In a word, the utility model can be done appropriate modification or change in above the announcement in the category, so, all genus equivalences Displacer does not all still break away from the application's protection domain.

Claims (8)

1, a kind of combination lock that opens and closes with two pearls and baffle controls, its formation comprise a padlock housing, have long and short shank and respectively pivot close in latch hook in two shank holes of housing, the housing and also be provided with most digit wheels and a sleeve and a reversion device, it is characterized in that being provided with in the housing pearl groove, two lock pearls are located therein with the elasticity stull, most digit wheels are rotatably connected on the lock shaft that is horizontally placed in the housing with sleeve, also be provided with in the housing one the baffle plate that moves by sleeve partially.

2, a kind of combination lock that opens and closes with two pearls and baffle controls according to claim 1 is characterized in that, is equipped with a flat-cut portion on the described sleeve.

3, a kind of combination lock that opens and closes with two pearls and baffle controls according to claim 1, it is characterized in that, described baffle plate is provided with a pivot point portion that is hubbed at bottom in the housing, also offers the upwards pin of projection of most digit wheel slotted eyes and on the baffle plate side by side.

4, a kind of combination lock that opens and closes with two pearls and baffle controls according to claim 1, it is characterized in that, this lock pearl is round bead shape trip embedding or is connected with on a lock pearl seat, with the tension spring support, can be shifted in the horizontal pearl groove of housing between this two locks pearl seat.

5, a kind of combination lock that opens and closes with two pearls and baffle controls according to claim 4 is characterized in that this lock pearl seat adhesion one guide rod laterally sleeves in the bar hole of housing.

6, a kind of combination lock that opens and closes with two pearls and baffle controls according to claim 4, it is characterized in that, this two locks pearl seat can be reduced to one " bowl pearl " respectively and link to each other with latch plate, and this latch plate becomes the locking shape for outside support two lock pearls with the arc groove of buckle latch hook two shanks usually.

7, according to claim 1 or 4 described a kind of combination locks that open and close with two pearls and baffle controls, it is characterized in that, this lock pearl is to be connected with on a lock pearl seat arm, each arm mat mortise pin is articulated in the housing, shore with tension spring between this two locks pearl arm and match, the arc groove of buckle latch hook two shanks becomes the locking shape.

8, a kind of combination lock that opens and closes with two pearls and baffle controls according to claim 1 is characterized in that described reversion device comprises that one contains the ejector sleeve of a mesopore, and this ejector sleeve is sleeved on lock shaft another axle head with respect to resetting spring; One follower lever is from this ejector sleeve extension and contain a cam chair; Other has one to drive button, and its lower end is provided with a cam that matches with the cam chair of follower lever, and offers a groove at the top of driven button.

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