CN2073455U - Non-coaxal number checking lock for handcase - Google Patents

Abstract

The utility model provides a non-coaxial number checking lock for handcases, comprising a box body, a group of variable number checking locks and a key lockset, wherein, the variable number checking lock is composed of a number changing plate, a latch plate, a fixing plate, a notch disc, a number changing shuttle rod and a number shifting disc. The utility model is characterized in that the lock changes the number through the key lock set being unlocked and rotating a preset angle (about 1/4 circle); the lug of the lower end of the key lockset drives the number changing plate to slide; the cutting bevel of the number changing plate forces the number changing shuttle rod to upwards shift, and the number changing shuttle rod is disengaged from the notch, and the goal of the number changing is obtained.

Description

Non-coaxal number checking lock for handcase

The utility model relates to the non-coaxial combination lock of a kind of suitcase, but is meant a kind of reversion combination lock especially.

The non-coaxial combination lock of suitcase is meant that the digital thumb wheel of combination lock is not on same axle; This kind combination lock uses for many years, but and developed and the non-coaxial combination lock of reversion, as non-coaxial changeable combination lock as described in No. 7027457 patent; This lock conversion number step is: (A) rotating saw gear (3) is to lockset position of coupler; (B) will lock the cam (12) that tube (6) rotates on it and break away from winding mountain path (13); (C) case lid is opened; (D) will lock tube (6) and rotate to locked position of coupler, and make the terminal song of radial slots (27) aligning sliding panel (22) at its end end refer to bar (29); (E) stirring sliding panel (22) makes the song of its end refer to that bar (29) embeds radial slots (27), and each drop ear (30) on the sliding panel (22) is entered and keep somewhere in each radiation groove (31) to gear (14), limited of the rotation of this group to gear (14); (F) key that will lock tube (6) is released; (G) key is inserted the terminal axial trough (33) of serrated wheel (3), rotate this serrated wheel (3), force the original groove (21) of spring (20) distortion disengaging to gear (14), when stopping the rotation, spring (20) is entered in other new grooves to gear (14), and reach the purpose of reversion; (H) extract key out; (I) with sliding panel (22) left pushed home make the song of its end refer to the radial slots (27) of bar (29) release lock tube (6); (J) key is turned back to lock tube (6); (K) will lock tube (6) and rotate to lockset position of coupler etc. again and just calculate and finish the reversion formality, its step has 11, and its shortcoming mainly contains: (A) the reversion step is many; (B) complex structure; (C) use of spring (20) makes the groove (21) to gear (14) damage easily, and makes combination lock and reversion defunctionalization; (D) sliding panel (22) uses loosening easily long afterwards, again when locking tube (6) when not having locking, sliding panel (22) is moved to right automatically and drop ear (30) on it is embedded the radiation groove (31) of wheel (14) is formed the reversion state, if the head (4) of rotating saw gear (3) again, will random number and this lock is locked forever do not open; (E) spring (20), serrated wheel (3) reach the installation difficulty to gear (14); (F) need be from reversion in the leather trunk, inconvenience; (G) setting up of lock tube (6) cam (12) and make too many shortcomings such as complexity of lock tube (6).

The purpose of this utility model is to solve above-mentioned shortcoming, checks the number with key and with the Suitcase lock of reversion but provide a kind of, and its reversion is simple to operate and have safeties, can be because of by random number of careless reversion, the practicality and the safety that improve the reversion lock.

The non-coaxial combination lock of the utility model suitcase comprises:

One box body is combined into an empty chamber that lockset is installed by a box-shaped casing and a base plate, and this shell is provided with the combination lock fixing hole of one group of predetermined number, and a key lock fixing hole;

One group of variable combination lock, it is indoor to be installed in above-mentioned combination lock fixing hole and box body sky respectively; This variable combination lock comprises: a reversion plate, be equipped with incisal bevel with the combination lock relevant position on it, and be provided with a horizontal elliptical aperture with the key lock relevant position, integral body can place the preset distance that slides on the above-mentioned box plate; One door bolt plate, be arranged on the reversion plate and integral body can swing up and down, cooperate the combination lock position to be provided with one group of hole and lug on it, and be provided with about 3/4 circular hole with the key lock relevant position, and be provided with a flexible member between door bolt plate and base plate, make the door bolt plate keep a strength upwards; One fixed head is located between door bolt plate and upper casing, cooperates the combination lock position to be provided with one group of circular hole on it; One breach dish is fixed in the circular hole of said fixing dish and rotates, and its central authorities are provided with internal gear, and its bottom outer rim is provided with a breach; One reversion shuttle bar, its upper end is provided with fixed number purpose microscler lug, and the internal gear hole of breach dish can be passed in this reversion shuttle bar bottom, the circular hole of door bolt plate and withstand the incisal bevel of reversion plate, and can make microscler lug and internal gear clutch on it; One digital dial, be fixed in the check mark lockhole of above-mentioned box body upper casing, its bottom is provided with the hole that the microscler lug with reversion shuttle bar matches, so that articulate reversion shuttle bar, and be provided with a flexible member between this digital dial and reversion shuttle bar, make reversion shuttle bar keep a downward strength;

One key lock is fixed on the key lockhole of above-mentioned box body upper casing, and its lower end is provided with about 1/4 boss and goes out position and an incisal bevel and just can pass above-mentioned door bolt plate 3/4 circular hole, and the lower end that this 1/4 boss goes out the position can be provided with a lug, can drive the reversion plate and slide;

The suitcase combination lock of forming by above-mentioned all elements, its principal character is that mat key lock lower end lug drives above-mentioned reversion plate slip, incisal bevel on the mat reversion plate forces and moves on the reversion shuttle bar and make the microscler lug of reversion shuttle bar break away from the breach dish again, but with reach the conversion number and also the incisal bevel of mat key lockset lower end urge the door bolt plate and open and close lock.

The utility model another feature is that the inner edge of door bolt plate 3/4 circle is established a lug, cooperate aforementioned key lockset 1/4 boss to go out the position outer rim and establish a groove, restriction key lockset continues rotation in the back of unblanking, and must wait combination lock and key lock all to open, allow pendulum on this door bolt plate and make lug just and during the groove sustained height, just be able to the key lockset is continued rotation one angle and carries out reversion, in case other people random reversion and random number.

The utility model one is characterised in that the reversion plate is near the key lock end again, be provided with a flexible member, one end of this flexible member withstands the box body upper casing, the other end withstands the reversion plate, make the reversion plate keep a restoring force at any time, that is screw key lockset and after driving the reversion plate and sliding into the reversion position, be able to the restoring force of this flexible member of mat and make the reversion plate return back to the origin-location, and it is can drive the key lockset and return back to unlocking condition, and unlikely by other people random reversion.

Be described further below in conjunction with the utility model one preferred embodiment and accompanying drawing, wherein:

Fig. 1 is the three-dimensional exploded view of the utility model one preferred embodiment;

Fig. 2 is key action schematic diagram;

Fig. 3 is the blocking sectional view;

Fig. 4 is the unlocking condition sectional view;

Fig. 5 is a changing number code operations schematic diagram.

The utility model comprises: a box body, be combined into an empty chamber that lockset is installed by a box-shaped casing (1) and a base plate (2), and this shell (1) is provided with three combination lock fixing holes (11) and a key lock fixing hole (12); This three combination lock fixing holes (11) end face periphery is equipped with ten grooves (13); This base plate (2) is a rectangle plate body, which is provided with four feets (21) and locate usefulness, which is provided with one group of hole (22), use as linking with upper casing (1) for itself and other elements, its two ends respectively are provided with a breach (23), insert for latch hook (24) and use;

But three reversion locks are installed in the empty indoor of above-mentioned combination lock fixing hole (11) and box body respectively; This variable combination lock comprises: a reversion plate (3), cooperate the combination lock hole site to be provided with three incisal bevels (31) on it, and cooperate the key lock hole site to be provided with a horizontal elliptical aperture (32), nearly this elliptical aperture (32) end is provided with a spring leaf holddown groove (33), its plate face is provided with a vertical elliptical aperture (36), the two ends of this reversion plate (3) are provided with the breach (34) identical with base plate (2), its both sides cooperate the position of above-mentioned backplanes support pin (21) to be provided with slip restricted entry (35), sliding distance with restriction reversion plate slides on the base plate (2) and be wholy set in; One door bolt plate (4), being arranged at above-mentioned reversion plate (3) top and integral body can serve as that axle swings up and down with its projection (41), cooperate check mark lockhole (11) position to be provided with three circular holes (42) and lug (43) on it, and be provided with about 3/4 circular hole (44) with key lockhole (12) relevant position, the inner edge of this circular hole (44) is provided with a lug (441), its two ends also respectively are provided with a lockhole (45) and insert for latch hook (24), and its both sides are provided with four locating notches (46); Mat one passes the spring (47) of the elliptical aperture (36) of reversion plate (3) between door bolt plate (4) and base plate (2), makes this door bolt plate (4) keep a strength that makes progress; One fixed head (5) cooperates on it reversion lockhole (11) position to be provided with three circular holes (51); One breach dish (6) is positioned in the circular hole (51) of said fixing plate (5) and rotates, and its central part is provided with an internal gear (61), and its end outer rim is provided with a breach (62); One reversion shuttle bar (7), its upper end is provided with two microscler lugs (71), its end face is provided with a spring eye (72), two bottoms (73) are slick and sly taper, the lower end of this reversion shuttle bar (7) can pass breach dish (6) internal gear hole (61) and the door bolt plate (4) circular hole (42) and withstand the incisal bevel (31) of reversion plate (3), the slip of this reversion plate (3) of mat can be controlled this reversion shuttle bar (7) and move up and down, thereby the microscler lug (71) of control reversion shuttle bar (7) and internal gear (61) is meshing; One digital dial (8), its end face is provided with ten numbers of 0-9, its lower end is small radii and is provided with a groove ring (82), integral body can be inserted from the check mark lockhole (11) of box body upper casing (1) and mat clasp (83) is fixed in upward rotation of upper casing (1), its bottom is provided with a hole (821) similar to reversion shuttle bar (7), insert pivot joint for reversion shuttle bar (7), but (with reference to figure 3) withstood in ammunition feed spring (87) upper end again, locate spring leaf (84) and be provided with one between this digital dial (8) and upper casing (1), this spring leaf (84) is folded in half into a suitable angle makes it produce a water caltrop position (86), but its water caltrop of mat (86) is chimeric with ten short slots (13) of upper casing, reach the purpose of location, and be provided with a spring (87) between this digital dial (8) and this reversion shuttle bar (7), make this shuttle bar (7) keep a downward strength; When rotation this digital dial (8), can drive reversion shuttle bar (7) and breach dish (6) rotates, if the breach (62) of this breach dish (6) just with the lug (43) of fastening plate (4) with a bolt or latch when overlapping, door bolt plate (4) will upwards raise, make latch hook (24) break away from the hook lock (45) of fastening with a bolt or latch on the plate (4), and can unblank (as shown in Figure 4); If any one digital dial of rotation (8) makes the breach (62) of its breach dish (6) leave lug (43), will make this breach dish (6) will fasten plate (4) with a bolt or latch and press down, form blocking (as shown in Figure 3);

One key lockset (9), its end face is provided with a keyhole (91), its lower end is provided with the protrusion position (92) of about 1/4 circle, this protrusion position (92) is provided with a groove (93) and its lower bottom part extends a less lug (94), nearly 1/4 boss in its lower end goes out the position and is provided with an incisal bevel (95), and its central part is provided with a groove ring (96); Key lockset (9) can insert from the key lockhole (12) of above-mentioned box body upper casing (1) and mat clasp (97) is fixed in upward rotation of upper casing (1); 1/4 boss of this key lockset (9) lower end goes out position (92) and incisal bevel (95) just can insert door bolt plate 3/4 circular hole (44), and the lug (94) that can make 1/4 boss go out the bottom, position embeds the elliptical aperture (32) of reversion plate (3);

Please refer to shown in Figure 2ly, when key lockset (9) is rotated counterclockwise to position shown in Fig. 2 (b), but mat incisal bevel (95) will be fastened plate (4) with a bolt or latch and be pressed down and finish locking (as shown in Figure 3); When key lockset (9) clockwise direction rotates 1/4 bowlder (shown in Fig. 2 (C)), the interior lug (441) of 3/4 circle (44) can be blocked and unlikely rotation again in this 1/4 boss position (92), must also rotate to unlocking condition (as shown in Figure 4) simultaneously this moment with three combination locks, make door bolt plate (4) rise to the groove (93) that lug (441) is positioned at key lockset (9), could continue about 1/4 circle (shown in Fig. 2 (d)) of rotation, make lug (94) the drive reversion plate (3) of 1/4 round bottom portion be moved to the left a distance, then the incisal bevel (31) on the mat reversion plate (3) is with on reversion shuttle bar (7) top, make the microscler lug (71) of this reversion shuttle bar (7) break away from the internal gear (61) of breach dish, just can rotate digital dial (8) and number (as shown in Figure 5) is wanted in conversion; When having become number, as long as loosen key, just (but these spring leaf (37) one ends embed fixedly notch (33) of spring to mat spring leaf (37), the elastic force that the other end withstands box body upper casing (1) forces this reversion plate to be moved to the left original position, and the elastic force that can make reversion shuttle bar (7) mat spring (87) drop to the bottom of incisal bevel (31) and microscler lug (71) lower end that makes reversion shuttle bar again with internal gear (61) engagement of breach dish, but and the elliptical aperture (32) of mat reversion plate (3) lug (94) that drives key lockset bottom rotates and make the key lockset return back to the situation of unblanking (shown in Fig. 2 (c)); If there is not a key, reversion again just, so fool proof reliably.

In sum, the utility model Non-coaxal number checking lock for handcase has following advantage:

1. the conversion number can must not opened suitcase from the suitcase outside, and is very convenient;

2. conversion number except having the key, also must be checked numbers all and open and lockset is rotated about 1/4 circle, thus fool proof, do not worry by other people random reversion;

3. conversion number step is simple, and only key being rotated again 1/4 circle just can reversion;

4. become number, can automatically reply, can random number;

5. can utilize the combination lock locking, also available key locking has dual characteristic;

6. the microscler lug (71) of the internal gear (61) of breach dish (6) and reversion shuttle bar (7) breaks away from fully during reversion, can not make internal gear (61) impaired;

7. unitary construction is simple, makes and installs easily.

Claims (3)

1, the non-coaxial combination lock of a kind of suitcase comprises: a box body; One group of variable combination lock; One door bolt plate; One fixed head; One breach dish; One reversion shuttle bar, a digital dial; One key lock; It is characterized in that key lockset 1/4 boss goes out the position and passes door bolt plate 3/4 circle, its lower end lug inserts in the horizontal elliptical aperture of reversion plate, and the incisal bevel of key lockset withstands the door bolt plate; Reversion shuttle bar lower end is passed the circular hole of the internal gear hole of breach dish and door bolt plate and is withstood the incisal bevel of reversion plate;

2, according to the non-coaxial combination lock of the described suitcase of claim 1, the inner edge that it is characterized in that wherein fastening with a bolt or latch 3/4 circle of plate is established a lug; Key lockset 1/4 boss goes out the position outer rim and establishes a groove;

3, according to the non-coaxial reversion lock of the described suitcase of claim 1, it is characterized in that wherein the reversion plate is established a flexible member near the key lock end; This flexible member one end withstands in the box body upper casing, and the other end withstands the reversion plate.