CN215803829U

CN215803829U - Knob formula trick lock unblock structure

Info

Publication number: CN215803829U
Application number: CN202121611905.4U
Authority: CN
Inventors: 韩文杰; 王壤
Original assignee: Ningbo Wangtong Locks Co Ltd
Current assignee: Ningbo Wangtong Locks Co Ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-02-11
Anticipated expiration: 2031-07-15

Abstract

The utility model discloses a knob type coded lock unlocking structure which comprises knobs, a twisting disc, a lock shell and a lock body mechanism, wherein the knobs are arranged in double rows in parallel, the knobs are sleeved with the twisting disc and the lock disc, the lock body mechanism comprises an unlocking module, the unlocking module comprises a linkage piece and an unlocking push rod, the linkage piece is elastically abutted against the lock disc, the unlocking push rod is clamped on the linkage piece in a locking state, the linkage piece is movably clamped on the lock disc in a correct password state, and the linkage piece releases the unlocking push rod under the action of elasticity to push the unlocking push rod to unlock.

Description

Knob formula trick lock unblock structure

Technical Field

The utility model belongs to the field of coded locks, and particularly relates to an unlocking structure of a knob type coded lock.

Background

In the prior art, mechanical coded locks are mostly in a button type, a dial wheel type and a knob type or a combination of a plurality of types, but are all in a single-row locking structure, the single-row locking structure is simple in structure, but a multi-bit complex combined code with overlong length cannot be used due to the problem of material strength. When the knob type and dial wheel type coded locks dial the code wheels, the debugging hand feeling and the sound are obviously different under the states of correct codes and wrong codes, trial codes are easily leaked, and the single-row type lock cylinder is easily misplaced after being impacted, so that the lock body cannot be opened or automatically opened and the like.

SUMMERY OF THE UTILITY MODEL

The utility model provides a knob type coded lock unlocking structure aiming at the defects in the prior art, which comprises a knob, a twisting disc, a lock shell and a lock body mechanism, wherein the knob is sleeved with the twisting disc and the lock disc, the knob is in double-row parallel, the lock body mechanism comprises an unlocking module, the unlocking module comprises a linkage piece and an unlocking push rod, the linkage piece is elastically abutted against the lock disc, the unlocking push rod is clamped on the linkage piece in a locking state, the linkage piece is movably clamped on the lock disc in a clamping manner in a password correct state, and the linkage piece releases the unlocking push rod under the action of elastic force to push the unlocking push rod to complete unlocking.

Preferably, the handle further comprises a transmission shaft, one end of the transmission shaft is connected with the knob, and the other end of the transmission shaft is connected with the twisting disc.

Preferably, the lock dish be provided with lock dish axle, lock dish face, lock dish on convex surface and lock dish convex surface down, the lock dish on the convex surface on be provided with a plurality of reference columns of group, the reference column can the lock dish on the convex surface with the twist set laminating state under peg graft and be in the twist set in, the circumference side of lock dish face be provided with the angular groove, the lock dish under the convex surface by the lock dish face spaced apart.

Preferably, the linkage piece set up unblock push rod both sides, the outside limit of two linkage pieces is provided with a plurality of angle respectively protrudingly, the angle protruding when the unblock state with the lock dish laminating, the vertical direction bottom surface of linkage piece be provided with the linkage recess, a plurality of the linkage recess with password update module cooperation, the linkage piece inboard be provided with a plurality of inboard protruding, inboard protruding with the protruding cooperation locking of unblock the unblock push rod.

Compared with the prior art, the utility model has the beneficial effects that: the double-row multi-digit knob is used for inputting the password, so that the complexity of the password is increased, and the difficulty in unlocking the lock body is increased; the unlocking push rod is matched with the linkage piece in a clamping mode, the structure is simple, and the use and the maintenance are convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be discussed below, it is obvious that the technical solutions described in conjunction with the drawings are only some embodiments of the present invention, and for those skilled in the art, other embodiments and drawings can be obtained according to the embodiments shown in the drawings without creative efforts.

Fig. 1 is a schematic perspective view of an unlocking structure of a knob type combination lock according to the present invention.

Fig. 2 is a schematic front view of the overall structure of an unlocking structure of a knob type combination lock according to the present invention.

Fig. 3 is a schematic bottom view of the overall structure of the unlocking structure of the knob type combination lock according to the present invention.

Fig. 4 is an exploded view of a knob-twist disk-lock disk of an unlocking structure of a knob-type combination lock according to the present invention.

In the figure: the panel 1, the knob 21, the rotating spring 221, the position-locking bead 222, the transmission shaft 23, the twisting disc 24, the twisting disc shaft 241, the twisting disc face 242, the twisting disc face through hole 243, the twisting disc return spring 25, the locking disc 26, the locking disc shaft 261, the locking disc face 262, the locking disc upper convex face 263, the angle groove 2631, the locking disc lower convex face 264, the positioning column 265, the unlocking push rod 31, the linkage piece 32, the angle protrusion 321, the linkage groove 322, the inner protrusion 323 and the spring positioning column 324.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments described herein without the need for inventive work, are within the scope of the present invention.

In the embodiment of the utility model, as shown in the attached drawings 1 to 4, a shell comprises a panel 1 and a back shell, wherein the panel 1 is provided with knob positioning holes, sphere limiting grooves and threaded holes on the outer side, the knob positioning holes are through holes penetrating through the panel 1, 6 groups of knob positioning holes are used for inserting knobs 21, and 10 sphere limiting grooves are respectively arranged beside each group of knob positioning holes and uniformly surround the knob positioning holes. The screw holes are arranged at two ends of the panel 1 and are used for fixedly connecting the back shell through screws. The panel 1 is provided with a reset hole. Panel 1 to the inboard be provided with spacing arch of draw-in groove, spacing strip, draw-in groove post and six oval spacing recesses of group, the spacing arch of draw-in groove set up in one end, with the dorsal scale assembly form the draw-in groove, spacing strip with spacing post be used for spacing internal mechanism. The outside both sides of backshell be provided with the installation ear and be used for installing at secret case box, wherein a side end face is provided with the assembly square groove.

Still include knob code mechanism, knob code mechanism includes knob 21, rotating spring 221, screens pearl 222, transmission shaft 23, twist disk 24, reset spring and lock dish 26, knob 21 surface portrayed have the digital sign, the rear portion is provided with connects groove and spring hole soon, connect the groove cross-section soon for square, 23 one end of transmission shaft insert connect the groove soon connect, rotating spring 221 one end connect in the spring hole, the other end connect with screens pearl 222, elasticity makes during the rotation screens pearl 222 joint to in the spacing recess of spheroid nearby, it is clear that the registration of knob 21. The twist disk 24 be provided with twist disk axle 241, twist disk face 242 and twist disk 24 center, twist disk axle 241 set up in twist disk 24's upper surface and upper end portion cross-section for the rectangle, twist disk 24 centre bore be the indent round hole, twist disk face 242 be discoid, twist disk face 242 go up around twist disk 24 centre bore evenly be provided with 10 perpendicular to twist disk face through-hole 243. The transmission shaft 23 cup joint the torsion disc return spring 25 in, transmission shaft 23 one end connect the panel 1 outside connect the groove soon, the other end connect and be located panel 1 inboard torsion disc axle 241, torsion disc return spring 25 one end butt be in panel 1 inboard, one end butt in torsion disc face 242. Lock dish 26 include lock dish axle 261, lock dish face 262, lock dish convex surface 263 and lock dish convex surface 264 down, lock dish axle 261 for the axle cup joint twist dish 24 the centre bore in, lock dish on the convex surface 263 on be provided with 6 groups of reference column 265, reference column 265 can lock dish on convex surface 263 with twist dish face 242 laminating state under peg graft and be in twist dish face through-hole 243 in, the circumference side of lock dish face 262 be provided with angular groove 2631, lock dish convex surface 264 down by lock dish face 262 spaced apart.

The lock body mechanism include the unblock module, the unblock module include unblock push rod 31 and linkage piece 32, unblock push rod 31 one end expose the dorsal scale, the unblock push rod 31 other end through reset locking spring with dorsal scale internal connection realize reseing, unblock push rod 31 both sides respectively set up 3 unblocks archs. Linkage piece 32 set up unblock push rod 31 both sides, the outside limit of two linkage pieces 32 is provided with 3 protruding 321 in angle respectively, protruding 321 in angle when the unblock state with the laminating of angle groove 2631, the vertical direction bottom surface of linkage piece 32 be provided with

linkage recess

322, 2 linkage recess 322 with password update module cooperation, linkage piece 32 medial surface be provided with 3 inboard protruding 323, inboard protruding 323 with the protruding cooperation locking of unblock push rod 31. The inner side of the linkage sheet 32 is further provided with opposite spring positioning posts 324, and a pushing spring is arranged between the pair of opposite spring positioning posts 324 and used for pushing the two linkage sheets 32 to move back and forth, so that the corner protrusion 321 is combined with the corner groove 2631.

In the locked state: the lock disc 26 is inserted into the through hole 243 of the twist disc surface on the twist disc 24 through the positioning post 265 to generate rotary linkage, and the two sets of linkage pieces 32 can only slide and contact with the circumference of the lock disc surface 262 because the outer side corner protrusion 321 is not attached to the corner groove 2631. At this time, the linkage pieces 32 are in a minimum interval state, and the inner side protrusions 323 and the unlocking protrusions are locked in a clamping mode, so that the unlocking push rod 31 cannot move.

An unlocking state: through twisting knob 21 to unblock password registration, through transmission shaft 23 drive the twist disk 24 with the coaxial rotation of lock dish 26, lock dish 26 rotate when correctly unblock password position the promotion spring promote linkage piece 32 back of the body motion, the protruding 321 joints of angle advance angle groove 2631, as whole 6 the protruding 321 laminating of angle groove 2631 after, 2 group the linkage piece 32 between be in the biggest state of interval, this moment inboard protruding 323 with the protruding separation of unblock, unblock push rod 31 can promote the completion unblock.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. The scope of the utility model is indicated by the appended claims, rather than the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a knob formula trick lock unblock structure, includes knob (21), twist disk (24), lock shell and lock body mechanism, knob (21) with twist disk (24) and lock dish (26) cup joint its characterized in that: knob (21) be double parallel, lock body mechanism including the unblock module, the unblock module include linkage piece (32) and unblock push rod (31), linkage piece (32) with lock dish (26) elasticity butt, during the lock-out condition, unblock push rod (31) joint in linkage piece (32), under the password right condition linkage piece (32) remove the joint in lock dish (26), linkage piece (32) release under the spring action unblock push rod (31), promote unblock push rod (31) accomplish the unblock.

2. The unlocking structure of a knob-type combination lock according to claim 1, wherein: the novel electric wrench is characterized by further comprising a transmission shaft (23), wherein one end of the transmission shaft (23) is connected with the knob (21), and the other end of the transmission shaft (23) is connected with the twisting disc (24).

3. The unlocking structure of a knob-type combination lock according to claim 1, wherein: lock dish (26) be provided with lock dish axle (261), lock dish face (262), lock dish upper convex surface (263) and lock dish lower convex surface (264), lock dish upper convex surface (263) on be provided with a plurality of groups reference column (265), reference column (265) can lock dish upper convex surface (263) with twist dish (24) laminating state under peg graft and be in twist dish (24) in, the circumference side of lock dish face (262) be provided with angular groove (2631), lock dish lower convex surface (264) quilt lock dish face (262) spaced apart.

4. The unlocking structure of a knob-type combination lock according to claim 1, wherein: linkage piece (32) set up unblock push rod (31) both sides, the outside limit of two linkage pieces (32) is provided with protruding (321) of a plurality of angles respectively, protruding (321) of angle when the unblock state with lock dish (26) laminating, the vertical direction bottom surface of linkage piece (32) be provided with linkage recess (322), a plurality of linkage recess (322) with password update module cooperation, linkage piece (32) medial surface be provided with the inboard arch (323) of a plurality of, inboard arch (323) with the protruding cooperation locking of unblock the unblock push rod (31).