CN2285341Y - Permulation door lock - Google Patents

Abstract

The utility model relates to a number door lock which comprises an inner and an outer handles capable of rotating simultaneously on a lock case, and more than three pairs of number converting wheels and number wheels, wherein, numbers of 0 to 9 are all engraved on the number converting wheels and the number wheels. A slide plate with a spring covers the surface of a lock tongue, and opening holes of the slide plate are clamped and sheathed on slide bars of the number converting wheels. Number discs on the surface of the slide plate are sheathed with splines on the number converting wheels; the opening width of deep notches on the number discs is larger than the thickness of convex blocks on the slide plate. An eccentric shifting block fixed on an axis of an inner handle is fixedly connected for shifting a tooth opening of the lock tongue to move horizontally. The numbers of the opening holes, the number discs and the convex blocks are the same as that of the number converting wheels. Users can open the lock only by remembering a number and relieve the trouble of carrying keys.

Description

Permulation door lock

The utility model relates to the lock class, and especially Permulation door lock is made the field.

A kind of door lock of selling now, using uses key rotation lock core when unblanking, lock core drives eccentric moving tooth mechanism and rotates, and eccentric moving tooth mechanism drives the dead bolt translation that has the tooth mouth again, makes dead bolt indentation lock box, finishes the process of opening the door.Key loss or close the phenomenon that key behind the door leaves behind and happen occasionally is especially hung on neck the students in middle and primary schools of key, and the easier generation of this situation is made troubles to the user.

The purpose of this utility model is to provide a kind of Permulation door lock, need only remember that the door lock number can open the door, and release must be carried the trouble of key.

The purpose of this utility model is achieved through the following technical solutions: a kind of Permulation door lock comprises being separately positioned on lock box panel and the backboard Internal handle of detachable rigid connection and outer handle between it; Have the dead bolt of tooth mouth; Connect firmly on the inner handle axle, be used to stir the eccentric shifting block that the tooth mouth makes the dead bolt translation; The garble wheel and the code wheel that are provided with in the same manner more than three pairs all are marked with the garble wheel of 0-9 number and code wheel by same axis, be fixed on lock box panel and the backboard by jump ring respectively on it, be detachable rigid connection between its axle; Topped slide plate on the dead bolt face, slide plate are provided with an end and are fixed on perforate and the projection that spring and being used on the lock box is fastened in the slide bar position place of garble wheel, and perforate, projection are identical with the number of garble wheel; Be positioned at the figure disc on the slide plate face, have on the figure disc with garble wheel on spline mutually fit in nibble hole and its A/F deep trouth recess greater than the thickness of slide plate upper protruding block, the number of figure disc is identical with the number of garble wheel.

Adopt technique scheme, it is that deep trouth recess on each figure disc is when all facing bump position on the slide plate that every pair of garble wheel and code wheel are rotated to predetermined number, rotation Internal handle or outer handle, driving eccentric shifting block rotates, eccentric shifting block makes topped slide plate on the dead bolt face stressed, (its reason is in slide plate translation upward, all projections on the slide plate all enter deep trouth recess corresponding on the figure disc, and in other cases, figure disc has been to stop the slide plate effect of translation upward have a projection), thereby the tooth notch portion on the dead bolt is exposed, the tooth mouth is subjected to the active force of eccentric shifting block and causes the dead bolt translation, the indentation lock box is so finish the whole process of unblanking.The utility model need only can be finished the process of unblanking according to predetermined number, has exempted all troubles that key carries.

Fig. 1 is the vertical view that has cut-away section of an embodiment of the utility model;

Fig. 2 is the sectional drawing of the slide plate along the A-A line shown in Figure 1 when being reset position;

Fig. 3 is the sectional drawing of the slide plate along the A-A line shown in Figure 1 when being upper position after the translation upward;

Fig. 4 is the elevation of figure disc shown in Figure 1;

Fig. 5 is the stereogram of slide plate;

Fig. 6 is the three-dimensional assembling drawing of garble wheel and code wheel;

Fig. 7 is the three-dimensional assembling drawing of dead bolt and eccentric shifting block and half-axile sleeve;

Fig. 8 is the stereogram of clip type back stop.

Below in conjunction with accompanying drawing the utility model is described in detail.

Among Fig. 1-8,1 lock box panel; 2,2a, 2b, 2c, 2d are figure disc; 3 slide plates; 4 dead bolts; 5 jump rings; 6 springs; 7 garble wheels; 8 Internal handles; 9 code wheels; 10 outer handles; 11 eccentric shifting blocks; 12,12a, 12b, 12c, 12d are projection; 13 perforates; 14 lock holes; 15 notches; 16,16a is a spring; 17 splines; 18 slide bars; 19 jump ring grooves; 20 oblique tongues; 21 clip type back stops; 21a angie type back stop; Nibble the hole in 22; 23 recesses; 24 deep trouth recesses; 25 jump ring grooves; 26 sleeves; 27 clamp bars; 28 locking columns; 29 slide openings; 30,30a is a lock screw; 31,31a is a half-axile sleeve; 32; 33 tooth mouths; 34 door-plate cross sections; 35 back-moving springs; 36 oblique tongue shift forks; 37 backboards; 38 jump rings.

Fig. 6 illustrates, the jump ring 5 that the garble wheel 7 that is marked with the 0-9 number is installed via spring 6 and jump ring groove 19 places (referring to figure) is fixed on the lock box panel, it can rotate and outside lock box direction pull out, garble wheel 7 is provided with spline 17, spline 17 be used for figure disc 2 (referring to Fig. 4) in nibble hole 22 fit mutually; The jump ring 38 (referring to Fig. 1) that the code wheel 9 that is marked with the 0-9 number is equally installed via jump ring groove 25 places is fixed on the backboard 37.The inner chamber cross section of sleeve 26 can adopt polygon, general available rectangle.Sleeve 26 will have the garble wheel 7 of cross sectional shape similarly and the axle of code wheel 9 connects, and (certain free gap is arranged during socket) makes it synchronous rotation, and allow that garble wheel 7 pulls out to lock box foreign side.Fig. 1 illustrates the another kind of mode of the between centers connection of garble wheel 7 and code wheel 9, promptly adopting cross section is on the oblong openings of rectangular clamp bar 27 axial end portion that is plugged on above-mentioned diaxon, satisfies to rotate synchronously and allow that garble wheel 7 pulls out requirement to lock box foreign side and get final product.Connection between the axle of Internal handle 8 and outer handle 10 can adopt above-mentioned telescopic or holding strip type or other detachable rigid connection only need satisfy synchronous rotation requirement.

Fig. 7 illustrates, half- axile sleeve 31,31a axle sleeve are on the axle 32 of Internal handle 8, two lock screw 30, the 30a that are enclosed within on the eccentric shifting block 11 on the axle 32 are fixed on half- axile sleeve 31,31a on the axle 32, therefore, because the frictional force between half- axile sleeve 31,31a and the axle 32, axle 32 rotates, and half- axile sleeve 31,31a and eccentric shifting block 11 rotate thereupon.Being provided with of half- axile sleeve 31,31a mainly plays a part to protect internal works to be without prejudice.When eccentric shifting block 11 rotated suffered resistance greater than the frictional force between two half- axile sleeves 31,31a and the axle 32, axle 32 will produce and skid, thereby plays a protective role.When eccentric shifting block 11 when E → direction rotates, the tooth mouth 33 on the dead bolt 4 is stressed, the translation that dead bolt 4 produces along F → direction; When eccentric shifting block 11 changes when advising along E → opposite direction, 4 generations of dead bolt are along F → reciprocal translation, and therefore, when rotating Internal handle 8 or outer handle 10, under the prerequisite that tooth mouth 33 is stirred, dead bolt 4 can be finished the action of stretching out lock box or indentation lock box.

Fig. 2 illustrates slide plate 3 and is in reset position, i.e. spring 16 on the slide plate 3,16a (ginseng and Fig. 5) slide plate 3 residing positions when not being compressed.The end of spring 16,16a is fixed on the lock box, and the other end is fixed on the slide plate 3.In conjunction with Fig. 1 as seen, slide plate 3 is topped on dead bolt 4, and the perforate 13 on the slide plate 3 is fastened in slide bar 18 positions of garble wheel 7, and figure disc 2 is positioned at above the slide plate 3, nibbles on the figure disc 2 on the spline 17 that hole 22 is linked in garble wheel 7.When rotating garble wheel 7 or code wheel 9, figure disc 2 rotates thereupon synchronously.When going to predetermined number, promptly during the orientation of the projection 12 of deep trouth recess 24 (see figure 4)s on slide plate 3 on the figure disc 2, figure disc 2 just can not stop the projection 12 on the slide plate 3 and form and stop slide plate 3 translation upward.Slide plate 3 will be realized translation upward, and the deep trouth recess on figure disc 2 that then must be all, 2a, 2b, 2c, the 2d is all accordingly over against the orientation of projection 12,12a, 12b, 12c, 12d.Among Fig. 2, the deep trouth recess that has only figure disc 2a is not over against corresponding projection 12a (referring to Fig. 5) orientation (promptly being that corresponding garble wheel or code wheel do not rotate to the predetermined number position), at this moment, rotate Internal handle 8 or outer handle 10, eccentric shifting block 11 rotates, topped slide plate 3 on dead bolt 4 is applied one upward to active force, because projection 12a is subjected to stopping of figure disc 2a, slide plate 3 translation that can not make progress, therefore, eccentric shifting block 11 can not touch by slide plate 3 the tooth mouth 33 of topped dead bolt 4, dead bolt 4 can not be realized translation.In addition, when slide plate 3 is in reset position, locking column 28 (referring to Fig. 7) on the dead bolt 4 is positioned at the arc place, garden of lock hole 14 (referring to Fig. 5) on the slide plate 3, even dead bolt 4 is stressed to lock box retraction direction or overhanging direction, dead bolt 4 can not produce translation owing to locked, and can not bounce back can not be again to overhanging.

Fig. 3 illustrates, slide plate 3 is in upper position after the translation upward slide plate 3 residing positions when being spring 16, stressed being compressed of 16a (referring to Fig. 5) on the slide plate 3.Because the upwards translation of slide plate 3, the tooth mouth 33 on the dead bolt 4 exposes, simultaneously, locking column 28 on the dead bolt 4 is positioned at the bottom of lock hole 14 on the slide plate 3, has removed the locking to dead bolt 4, and eccentric shifting block 11 is stirred tooth mouth 33, thereby dead bolt 4 produces translations, indentation or stretch out lock box.Dead bolt 4 can be made into Square lock bolt, oblique tongue or garden column tongue.

Be under the situation of upper position at slide plate 3 shown in Figure 3, can carry out the change of any one predetermined number.For example, the number of desire change code wheel 9 positions, garble wheel 7 need only be pulled out outside lock box (because the diameter at the arc place, garden of the perforate 13 on the slide plate 3 is greater than the external diameter at garble wheel 7 splines 17 places, so, slide plate 3 garble wheel 7 when upper position can be drawn out (referring to Fig. 1, Fig. 6), its homing is got final product after garble wheel 7 is turned to assigned number (the deep trouth recess 24 of figure disc 2 be fastened on the projection 12 and keep the original position motionless).

In order to make code wheel, locate more accurate when garble wheel rotates check mark and certain feel to be arranged, the outer garden of the figure disc 2 shown in Fig. 4 has recess 23 on week, equidistantly distribute 10 from deep trouth recess 24, in conjunction with Fig. 2, angie type back stop 21a fixes on the lock box together, and is stuck in the recess position of figure disc.Code wheel or garble wheel revolution move a number, and when promptly figure disc rotated a recess position, the angie type back stop was compressed recovery once.It is clip type back stop 21 (figure disc is for a clip type back stop is set) that Fig. 8 illustrates another kind, be fixed on the lock box and be clipped in the recess position of figure disc, the figure disc revolution moves a recess, and the intermediate plate correspondence of clip type back stop 21 is opened and restored once.The recess of figure disc can be made isosceles-trapezium-shaped, to help the clamping of clip type back stop 21.

Have notch 15 on the code wheel 9, a certain number on the notch 15 contraposition code wheels 9 generally makes it and " 0 " contraposition.So that under dim light or unglazed situation, armrest sense turn code wheel 9 is to the number that opens the door that presets when opening the door.

The visible the utility model of Fig. 1 is installed situation.The lock box panel 1 that Internal handle 8 is set is installed on the door inner face of door-plate, and the backboard 37 that outer handle 10 is set is installed on the face outdoors of door-plate.Have hole on the door-plate cross section 34, be used for passing of connector between Internal handle 8 and outer handle 10, garble wheel and the code wheel (figure is 5 pairs, and optional number is 100,000 groups, and during as if 4 pairs, then optional number is 10,000 groups).During installation, connect the uniformity of the locus that should satisfy its number between the axle of the every pair of code wheel and garble wheel, during to number 8, garble wheel also should be number 8 positions as the rotation code wheel.

Tiltedly tongue 20 parts are prior art.When tiltedly the spring 35 on the tongue 20 was in reset mode, tiltedly tongue 20 stretched out lock box.When unblanking, the active force that dead bolt 4 is subjected to eccentric shifting block 11 in lock box the translation retraction (strong point during dead bolt 4 translations is as being arranged on the column on the lock box, from dead bolt 4, stretch out the slide opening 29, move on plane in order to dead bolt 4), the 36 pairs of oblique tongues 20 of oblique tongue shift fork that are enclosed within on the locking column 28 of dead bolt 4 apply active force, spring 35 compressions in the oblique tongue 20 retraction lock boxes, thereby are finished the process of opening the door.

The utlity model has following advantage: need not key, check the number and unblank; The conversion predetermined number is convenient; Dark In can borrow the feel dialing unblank; Many and the strong security of optional number.

Claims (5)

1, a kind of Permulation door lock, comprise be separately positioned on lock box panel and the backboard, the Internal handle and the outer handle of detachable rigid connection between it; Have the dead bolt of tooth mouth and be used to stir the eccentric moving tooth mechanism that the tooth mouth makes the dead bolt translation, it is characterized in that, described eccentric moving tooth mechanism is for connecting firmly the eccentric shifting block (11) on the axle (32) of Internal handle (8); It also comprises:

A, the garble wheel and the code wheel that are provided with in the same manner more than three pairs; All being marked with the garble wheel (7) of 0-9 number and code wheel (9) on it by same axis, be fixed on lock box panel (1) and the backboard (37) by jump ring (5,38) respectively, is detachable rigid connection between its axle;

B, topped slide plate (3) on dead bolt (4) face; Slide plate (3) is provided with perforate (13) and the projection (12) that an end is fixed on spring on the lock box (16,16a) and is used to be fastened in slide bar (18) position of garble wheel (7), perforate, and projection is identical with the number of garble wheel;

C, be positioned at the figure disc (2) on slide plate (3) face; Have on the figure disc (2) with garble wheel (7) on spline (17) mutually fit in nibble hole (22) and its A/F deep trouth recess (24) greater than the thickness of slide plate (3) upper protruding block (12), the number of figure disc is identical with the number of garble wheel.

2, Permulation door lock according to claim 1 is characterized in that, described garble wheel (7) is gone up and be provided with spring (6) between lock box panel (1) and jump ring (5); Connect or clamp bar (27) connection via sleeve (26) between the axle of garble wheel (7) and code wheel (9); The external diameter that the diameter of the garden arc part of the last perforate (13) of described slide plate (3) is located greater than garble wheel (7) upper spline (17).

3, Permulation door lock according to claim 1 and 2 is characterized in that, described figure disc (2) is with being provided with recess (23) week, equidistantly from deep trouth recess (24) position is provided with 10 above-mentioned recesses; Described lock box is provided with and is used to be stuck in clip type back stop (21) or the angie type back stop (21a) that the recess position plays the role of positioning; Described code wheel (9) is provided with the notch (15) that is used for judging with feel the number position on the code wheel (9).

4, Permulation door lock according to claim 3 is characterized in that, described dead bolt (4) is provided with locking column (28), also is provided with on the described slide plate (3) to be used for the lock hole (14) of snare on the locking column (28) of dead bolt (4); The axle (32) of described Internal handle (8) is provided with chuck and goes up the half-axile sleeve (31,31a) of fixing, be used for the slipping protection effect through lock screw (30,30a) at axle (32).

5, Permulation door lock according to claim 4 is characterized in that, described garble wheel (7) and code wheel (9) are provided with 5 pairs altogether.

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