CN2342052Y - Numerical padlock - Google Patents

Abstract

The utility model relates to a numerical padlock. A long word wheel sleeve which is provided with a ring groove and a blocking edge is arranged between a two-sheet type lock body. A long groove is respectively arranged on the corresponding inner side of each lock body, and the long groove is used for arranging a U-shaped elastic sheet. When the number of the numerical padlock is changed, the long word wheel sleeve is pushed inwards, which blocks the U-shaped elastic sheet at the blocking edge, and the operation of the changing the number can be carried out. When the number is changed, a locking rod is pulled up, which pushes the slope of a moving block to contact the slope of a clamping block, and pushes the long word wheel sleeve back to the starting position. The U-shaped elastic sheet is positioned in the ring groove of the long word wheel sleeve again, and the operation of changing the number is completed.

Description

Combination lock

The utility model relates to a kind of combination lock.

The predominant use of combination lock is the control lockset as door or drawer, with the keying of this control gate or drawer.

Discuss with general traditional combination lock,, the effect of combination lock forms because but being several digit wheels with jack per station (number is 0 to 9) of mat, when turning to correct number, lockset is opened, but, general traditional combination lock lockset is when desiring to change into different unblanking during number, has structure and comparatively comparatively bothers and inconvenient shortcoming when complexity and reversion operation.

See also shown in Figure 6, it is the existing combination lock element decomposing schematic representation that can change number, wherein can see at two and can be assembled with locking bar 62 in the lock body 60 of corresponding combination, make motion block 70, but the axle 72 of one and the number wheels of reversion, its central axis 72 surfaces are provided with pod 74 vertically, reach the annular groove 76 that ring is established, a sheathed spring 78 and three digit wheel groups of being assembled with are gone here and there respectively and are located on the axle 72 on this axle 72, its each number wheels are to overlap 90 fits by a digit wheel 80 and a character wheel to constitute, around digit wheel 80, be provided with numeral, be provided with the fin 84 of corresponding digit position in the medium pore 82, character wheel overlaps 90 central authorities and is provided with the medium pore 92 that shape matches with axle 72 pods 74, overlap the bulge loop 94 that 90 outsides, one end is provided with fin 84 internal diameters in big what digit wheel 80 medium pores 82 of a circle external diameter at character wheel, and what bulge loop 94 sides are provided with the projection 96 that fastens with digit wheel 80 medium pores 82 fins 84;

Cooperate the combination generalized section of Fig. 7 to see it, the digit wheel 80 of this combination lock is set in character wheel and overlaps 90 outsides, and 90 in character wheel cover is set on the axle 72, finishes and during the what locked state of position in assembling, character wheel cover 90 be the position at annular groove 76 places of axle 72, and can be in axle 72 cofree rotations; When the user rotates digit wheel 80, promptly can match by the projection 96 of the fin 84 in digit wheel 80 medium pores 82 with character wheel cover 90, driving character wheel cover 90 rotates on axle 72, set when unblanking number when going to, the medium pore 92 of character wheel cover 90 promptly can align mutually with axle 72 pods 74, and this moment, axle 72 can be done slippage in character wheel overlaps 90 medium pore 92, so the user can push in lock body 60 making motion block 70, and locking bar 62 is unlocked, reach the purpose of unblanking.

Generalized section when cooperating Fig. 8 existing numbers padlock to change number again, when the user will set the number change, promptly earlier forward digit wheel 80 to unblank number, the medium pore 92 of character wheel cover 90 promptly can align mutually with axle 72 pods 74 at this moment, this moment, axle 72 can be done slippage in character wheel overlaps 90 medium pore 92, when this state, the user pushes against the character wheel cover 90 on the limit in can the reversion hole 64 of a taper object 99 by lock body 60 1 sides, and all character wheels are overlapped 90 on axle 72, pass together to position shown in Fig. 8, the projection 96 of character wheel cover 90 can break away from the fin 84 in digit wheel 80 medium pores 82 at this moment, and can being overlapped at character wheel, digit wheel 80 freely rotates on 90, so can allow the user turn to new setting number from being about to digit wheel 80, again taper object 99 is extracted out in by reversion hole 64 turning to location Hou, character wheel cover 90 can be subjected to spring 78 ejections and return back to position shown in Fig. 7 at this moment, and can allow the user use easily.

Above-mentioned traditional combination lock, its reversion structure must grip padlock body 60 in use on the other hand, another hand-held taper object 99 is by pushing and pressing character wheel cover 90 in the reversion hole 64, right Hou must be dialled by another hand changes digit wheel 80, so can change the number of setting smoothly, but in fact anyone does not have the pickpocket yet, so be merely able to share out the work and help one another and carry out aforesaid three actions simultaneously with ten fingers, this promptly can allow the user in a rush, even what has been adjusted the number of also having made a mistake setting half a day, it is not enough to show its practicality of ash, and the necessity that is improved is arranged.

The purpose of this utility model is to provide a kind of simple to operate, combination lock of being easy to change the check mark number.

The technical solution of the utility model is to provide a kind of combination lock, it comprises the lock body of two-piece type, in between relative lock body, be provided with the clipping block on a tool inclined-plane, establish an axle center in other end of clipping block, a sheathed spring on it, in several character wheel covers of axle center upper sleeve through, character wheel puts and is sheathed with digit wheel, one side of clipping block is provided with one and makes motion block between relative lock body, and in doing to form the inclined-plane on the motion block, the inclined-plane of this inclined-plane and described clipping block abuts against mutually, one locking bar, the one side be connected as motion block, locking bar in addition end is fastened on the draw-in groove of lock body, it is characterized in that:

Hold the sheathed one long word wheel cover that matches with digit wheel in addition in the axle center, in long word wheel cover, form an elongated slot, this elongated slot is inserted in described axle center, this end, axle center and this elongated slot have the gap, be formed with annular groove, retaining edge and projection from the inside to the outside successively on the long word wheel, this projection exposes in the reversion hole by two relative lock bodies, forms long recess on two lock bodies respectively, be provided with a shell fragment in relative long recess, this shell fragment bottom is arranged in described annular groove and locatees.

In above-mentioned combination lock, this shell fragment can take the shape of the letter U.

The utility model compared with the prior art advantage and good effect is very obvious.By above technical scheme as can be known, the utility model has following advantage at least:

When desire when to change combination lock be different number, can be with 40 ejections inwardly of long word wheel cover, and shell fragment 18 bottoms that are arranged in long recess 17 are kept out in retaining edge 44 places of long word wheel cover 40, promptly can carry out the reversion operation;

After finishing reversion, only need will draw on the locking bar 30, long word wheel cover 40 is pushed back to opening the beginning position, shell fragment 18 bottoms then once again return in annular groove 43, locate, can finish reversion easily and operate.

Further specify specific structural features of the present utility model and purpose below in conjunction with accompanying drawing.

Brief Description Of Drawings:

Fig. 1 is a stereo appearance figure of the present utility model.

Fig. 2 is a three-dimensional exploded view of the present utility model.

Fig. 3 is of the present utility model in conjunction with sectional view.

Action diagram is analysed and observe in combination when Fig. 4 is the utility model desire change number.

Fig. 5 be the utility model after changing number and finishing and when drawing on the locking bar in conjunction with sectional view.

Fig. 6 is the existing combination lock element decomposing schematic representation that can change number.

Fig. 7 is the combination lock combination generalized section among Fig. 6.

Fig. 8 is the generalized section of the combination lock among Fig. 6 when changing number.

The utility model is a kind of combination lock (as shown in Fig. 1 to 3), and it comprises:

The lock body 10 of two-piece type, between the inside of corresponding lock body 10, be provided with a clipping block 11 with inclined-plane 12, be provided with an axle center 13 in clipping block 11 other ends, be nested with a spring 14 on it, on axle center 13, can wear several character wheel covers 40, the 400 number wheels that constitute with digit wheel 15, its character wheel cover 40,400 is identical with the traditional structure shown in Fig. 6 with the fit structure of 15 of digit wheels, so do not add to give unnecessary details, 13 end in addition then can overlap 40 by sheathed long word wheel in the axle center, in long word wheel cover 40, be formed with an elongated slot 41, has suitable gap 42 between the end in this elongated slot 41 and axle center 13, this gap 42 can be for the usefulness of long word wheel cover 40 with axle center 13 relative displacements, on long word wheel cover 40, be formed with annular groove 43 from the inside to the outside successively, a retaining edge 44 and a projection 45 etc., and the end of projection 45 can be exposed by two relative lock body 10 formed reversion hole 16 parts omitted;

Inside in two relative lock bodies 10 is formed with long recess 17 respectively, can be in relative long recess 17 for a shell fragment that takes the shape of the letter U 18 is set, the opening of this shell fragment 18 up, but during normality the bottom of this shell fragment 18 just inlay card enter in the annular groove 43 of long word wheel cover 40 positively the location and live;

Between two relative lock body 10 inside, be provided with one and make motion block 20, this makes motion block 20 is slightly L-shaped, and the inboard of making motion block 20 is formed with an inclined-plane 21, can abut against mutually between the inclined-plane 12 of this inclined-plane 21 and axle center 13 end clamping blocks 11, in addition in doing to form a groove that is I shape 22 by the side-looking sight on the motion block 20;

Other has a locking bar that takes the shape of the letter U 30, and the one side bottom forms the projection 31 of a T shape that is, and this projection 31 can cooperatively interact with groove 22, makes locking bar 30 and makes between the motion block 20 interlock relatively;

The side in addition that other is positioned at two lock bodies 10 is formed with relative draw-in groove 19, and this draw-in groove 19 can be for the usefulness of holding inlay card in addition of locking bar 30, and after holding in addition of locking bar 30 snapped in draw-in groove 19, this moment, this lockset promptly was blocking.

When using after the combination of mat said structure (as shown in Figure 3), when an end inlay card of locking bar 30 enters in the draw-in groove 19, can make simultaneously locking bar 30 and make motion block 20 and descend in the lump, dialling this moment changes digit wheel 15, make axle center 13 be subjected to character wheel cover 400 and long word wheel cover 40 blocking and can't displacement, promptly make inclined-plane 12 clips on the clipping block 11 in the inclined-plane of doing on the motion block 20 21, allow combination lock of the present utility model be blocking.

When the user desires to unblank, be earlier 15 groups of digit wheels to be gone to correct lock lock number, this moment axle center 13 can with character wheel overlap 400 and long word wheel cover 40 relatively move, can upwards draw locking bar 30 (state as shown in Figure 5) this moment, axle center 13 meetings this moment be done relative displacement with character wheel cover 400, long word wheel cover 40, event can make clipping block 11 inclined-planes 12 be subjected to doing the pushing and pressing on motion block 20 inclined-planes and be shifted, and makes locking bar 30 be unlocked.

When the user desires to carry out reversion (as shown in Figure 4), can earlier 15 groups of digit wheels be gone to the correct number position of unblanking, but user's mat elongate article is by inserting also ejection projection 45 inwardly in the reversion hole 16, can do relative displacement by what character wheel cover 400 with axle center 13 with long word wheel cover 40 this moment, so can move to position shown in Figure 4 by position shown in Figure 3, the shell fragment 18 that take the shape of the letter U this moment expansion down, and shell fragment 18 bottoms are fastened in retaining edge 44 places, this moment character wheel cover 400 promptly can be broken away from the fin (not shown) of digit wheel 15 with the projection (not giving label among the figure) of long word wheel cover 40, and fastening by what shell fragment 18, make long word wheel cover 40 and character wheel cover 400 maintain position shown in Fig. 4, and need not to continue to push against projection 45 places of taking turns cover 40 the eldest son by user's mat elongate article, this moment, the user can easily and easily carry out the operation of conversion number.

After finishing (person as shown in Figure 5) in the reversion motion action, the user can will draw on the locking bar 30 again, making locking bar 30 interlocks make motion block 20 moves up, mat is made the inclined-plane 12 on the inclined-plane 21 ejection clipping blocks 11 on the motion block 20 then, make clipping block 11 interlock axle center 13, long word wheel cover 40 can be pushed to the position of beginning of opening among Fig. 4 simultaneously, make move on shell fragment 18 bottoms Hou once again because of elasticity expand down so be stuck in the annular groove 43 of long word wheel cover 40 location conscientiously, promptly finish the action that changes number this moment; After again locking bar 30 being pressed to the location, the elastic-restoring force of mat spring 14 is in contact with one another the inclined-plane 12 on the 13 ejection clipping blocks 11 of axle center once again and abuts against with inclined-plane 21, can dial the function of changeing digit wheel 15 performance locksets once again.

Claims (2)

1. combination lock, it comprises the lock body of two-piece type, in between relative lock body, be provided with the clipping block on a tool inclined-plane, establish an axle center in other end of clipping block, a sheathed spring on it, in several character wheel covers of axle center upper sleeve through, character wheel puts and is sheathed with digit wheel, one side of clipping block is provided with one and makes motion block between relative lock body, and in doing to form the inclined-plane on the motion block, the inclined-plane of this inclined-plane and described clipping block abuts against mutually, one locking bar, the one side be connected as motion block, locking bar in addition end is fastened on the draw-in groove of lock body, it is characterized in that:

Hold the sheathed one long word wheel cover that matches with digit wheel in addition in the axle center, in long word wheel cover, form an elongated slot, this elongated slot is inserted in described axle center, this end, axle center and this elongated slot have the gap, be formed with annular groove, retaining edge and projection from the inside to the outside successively on the long word wheel, this projection exposes in the reversion hole by two relative lock bodies, forms long recess on two lock bodies respectively, be provided with a shell fragment in relative long recess, this shell fragment bottom is arranged in described annular groove and locatees.

2. according to the combination lock described in the claim 1, it is characterized in that: this shell fragment takes the shape of the letter U.

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