CN220747922U - Puzzle door lock - Google Patents

Abstract

The utility model relates to a password door lock, which comprises a shell, a password wheel assembly and an unlocking assembly, wherein the password wheel assembly and the unlocking assembly are arranged in the shell, the password wheel assembly comprises a mandrel, a plurality of password wheels sleeved on the mandrel, a password wheel for driving the password wheels to rotate and a first resetting piece for resetting the mandrel, the password wheel is partially exposed out of the shell, the unlocking assembly comprises a knob, a clamping block and a connecting piece, the clamping block rotates synchronously with the knob, the knob can rotate circumferentially relative to the shell, a concave cavity is formed in the connecting piece, the knob and the clamping block are rotationally arranged in the concave cavity, and the mandrel is arranged on one side of the connecting piece and is in limit fit with the connecting piece to realize circumferential unlocking or circumferential locking of the connecting piece. By adopting the technical scheme, the utility model provides the password door lock, which is unlocked by using a mechanical password, when the password is correct, the connecting piece and the knob synchronously rotate, when the password is wrong, and the unlocking person has excessive force, the knob idles in the connecting piece, so that the knob and the mandrel cannot be damaged.

Description

Puzzle door lock

Technical Field

The utility model relates to the technical field of door locks, in particular to a password door lock.

Background

At present, the unlocking mode of the prior internal door lock is to unlock by adopting a mechanical key, and the unlocking can be realized by directly rotating the key to the corresponding position, but the unlocking mode has low safety coefficient and is easy to unlock technically, and meanwhile, the unlocking can be realized by carrying the key, once the key is lost, the lock is required to be pried, thus leading to the inconvenience that a user needs to carry a plurality of keys and carry and use.

For this reason, the handle door lock equipped with the biometric recognition device such as fingerprint recognition, facial recognition, or even voice recognition is becoming popular in the market, however, the above recognition devices all need to be equipped with a battery for operation, when the battery is low in power, the user needs to replace the battery or charge the battery in advance, and once the battery fails to be charged or replaced in real time, the user cannot unlock the door.

Disclosure of Invention

The purpose of the utility model is that: in order to overcome the defects of the prior art, the utility model provides a password door lock which is unlocked by using a mechanical password, so that a key is not needed, the password is used for replacing the key, a clamping block and a second reset piece are arranged, when the password is correct, a connecting piece and a knob synchronously rotate, when the password is incorrect, and an unlocking person applies excessive force, the knob idles in the connecting piece, and thus, the knob and a mandrel cannot be damaged.

The technical scheme of the utility model is as follows: the utility model provides a password lock, includes the casing, sets up cipher wheel subassembly and unlocking component in the casing, cipher wheel subassembly includes dabber, cover establish a plurality of cipher wheels of adjusting of spindle, drive cipher wheel pivoted cipher wheel and be used for resetting the first piece that resets of dabber, cipher wheel part exposes outside the casing, unlocking component includes the knob, with knob synchronous pivoted fixture block and connecting piece, knob part exposes outside the casing, and the knob can rotate for the casing circumference, be equipped with the cavity on the connecting piece, be equipped with the arc recess that supplies the fixture block to imbed on the lateral wall of cavity, knob and fixture block rotate and set up in the cavity, be equipped with on the fixture block with arc recess complex arcwall, and be equipped with the second piece that resets of drive fixture block embedding arc recess between fixture block and the knob, the dabber set up in connecting piece one side to realize the circumference unblock or the circumference locking of connecting piece with the spacing cooperation of connecting piece, the dabber breaks away from the connecting piece when the password is correct this moment, realizes the circumference unblock of connecting piece and knob synchronous rotation, when the password is wrong, mandrel and connecting piece cooperation realizes the locking and idle running at the cavity.

By adopting the technical scheme, the mechanical coded lock is more convenient, a key is not needed, the condition that the unlocking cannot be caused due to power failure does not need to be worried about, the coded wheel is rotated to input a correct code, the mandrel moves and is separated from the connecting piece, the rotating knob drives the connecting piece to rotate at the moment, unlocking is realized, if the code is wrong, the mandrel is kept motionless, at the moment, if the unlocking force of an unlocking person is relatively large or violently unlocked, the clamping block can be separated from the arc-shaped groove to compress the second resetting piece when the knob is rotated, the connecting piece is kept motionless, the knob idles in the concave cavity, and thus the rotating knob and the mandrel can be protected, and damage is prevented.

The utility model is further provided with: the unlocking assembly further comprises a rotating seat fixedly connected with the knob, the rotating seat is rotatably arranged in the concave cavity, a clamping groove is formed in the rotating seat, the clamping block is clamped in the clamping groove, and the second resetting piece is located in the clamping groove and is abutted to the clamping block.

By adopting the further arrangement, the structure is stable, when the password is wrong, idle running is better realized, and the mandrel is protected.

Still further, the present utility model provides: the rotary knob can slide axially relative to the shell, the unlocking assembly further comprises a rotating piece, the rotating piece is arranged at a distance from the connecting piece, a third resetting piece for resetting the connecting piece is arranged in the shell, when the rotary knob slides into the shell, the connecting piece compresses the third resetting piece, the connecting piece is connected with the rotating piece to realize circumferential rotation of the connecting piece and the rotating piece, the rotary knob is loosened, the third resetting piece resets the connecting piece, and the distance between the connecting piece and the rotating piece is realized.

By adopting the further arrangement, the safety performance of the coded lock is further enhanced, after the knob is required to be pressed down for a certain distance, the connecting piece can be connected with the rotating piece to drive the rotating piece to rotate, and the third resetting piece resets the connecting piece, so that a certain distance exists between the connecting piece and the rotating piece, and even if the knob is rotated by the correct password, the rotating piece can not be driven to rotate, and unlocking can not be realized.

Still further, the present utility model is provided with: the end part of the mandrel is provided with a V-shaped block or a V-shaped groove, the outer side wall of the connecting piece is provided with a V-shaped groove or a V-shaped block, the V-shaped block is clamped in the V-shaped groove to realize circumferential locking of the connecting piece, and the length of the V-shaped groove is larger than the axial sliding distance of the knob.

Adopt above-mentioned still further setting, the cooperation between dabber and the connecting piece of being convenient for, the length of V-arrangement groove is greater than the distance that knob axial slided, prevents when V-arrangement piece card was established in the V-arrangement inslot, and the connecting piece breaks away from the dabber after the knob axial slided to lead to also can rotate the knob when the password mistake.

Still further, the present utility model is provided with: the connecting piece is provided with a cover plate which is detachably connected with the connecting piece, and the cover plate is covered on the rotating seat so as to limit the rotating seat to be separated from the concave cavity.

Adopt above-mentioned still further setting for rotating the seat stable in structure, simple to operate, better drive fixture block moves in the cavity, breaks away from the cavity when preventing to rotate the seat.

Still further, the present utility model is provided with: the mandrel is provided with a limiting plate, the first reset piece is arranged by adopting a reset spring, one end of the reset spring is abutted against the end face of the code adjusting wheel, and the other end of the reset spring is abutted against the limiting plate so as to reset the mandrel.

By adopting the further arrangement, the first reset piece has stable structure and can reset the mandrel better.

Still further, the present utility model is provided with: the shell comprises an upper shell and a lower shell which are arranged in a split mode, the upper shell and the lower shell are mutually buckled and form an installation cavity through screw connection, the coded wheel assembly and the unlocking assembly are arranged in the installation cavity, the lower shell is provided with a containing cavity with two open ends, the rotating piece is located in the containing cavity, the upper end of the containing cavity is provided with a flanging, the shell further comprises a bottom plate, and the bottom plate is covered at the bottom of the containing cavity and is connected with the lower shell so as to limit the rotating piece to be separated from the containing cavity.

By adopting the arrangement, the rotary part is convenient to assemble and disassemble, the assembling and disassembling of all parts inside the shell are convenient, and the arrangement of the flanging and the cover plate prevents the rotary part from being separated from the accommodating cavity.

Still further, the present utility model is provided with: the utility model discloses a shell is formed to the lower shell, be equipped with the first extension board that extends to the shell direction on the inside wall of epitheca, be equipped with the second extension board that extends to the shell direction on the inside wall of epitheca, two extension boards separate the setting and form the opening that supplies the dabber to pass, when dabber and connecting piece spacing cooperation, limiting plate and two extension boards conflict and set up.

By adopting the further arrangement, the mandrel is limited, and the resetting is prevented from being excessive.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of an embodiment of the present utility model;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a cross-sectional view of an unlocking assembly according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram of an unlocking assembly according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a connector and a rotator according to an embodiment of the present utility model;

FIG. 7 is a schematic view of a connector according to an embodiment of the present utility model;

FIG. 8 is a schematic diagram of a combination lock assembly according to an embodiment of the present utility model;

FIG. 9 is a schematic view of a connector according to an embodiment of the present utility model;

fig. 10 is a cross-sectional view of a housing according to an embodiment of the present utility model.

Detailed Description

The technical solutions of the present embodiment will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indications (such as up, down, front, and rear … …) in the description of the present utility model are merely for explaining the relative positional relationship, movement, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. In the description of the present utility model, "a number" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to base the implementation on the basis of those skilled in the art, and when the technical solutions are contradictory or cannot be implemented, it should be considered that the combination of the technical solutions does not exist, and is not within the scope of protection claimed by the present utility model.

As shown in fig. 1-10, a coded door lock comprises a shell 1, a coded wheel assembly 2 arranged in the shell 1 and an unlocking assembly 3, wherein the coded wheel assembly 2 comprises a mandrel 21, a plurality of coded wheels 22 sleeved on the mandrel 21, a coded wheel 23 driving the coded wheels 22 to rotate and a first resetting piece 24 for resetting the mandrel 21, the coded wheel 23 is partially exposed out of the shell 1, the unlocking assembly 3 comprises a knob 31, a clamping block 32 synchronously rotating with the knob 31 and a connecting piece 33, the knob 31 is partially exposed out of the shell 1, the knob 31 can rotate relative to the shell 1 in the circumferential direction, a concave cavity 331 is arranged on the connecting piece 33, an arc-shaped groove 332 for embedding the clamping block is arranged on the side wall of the concave cavity 331, the knob 31 and the clamping block 32 are rotatably arranged in the concave cavity 331, an arc-shaped surface matched with the arc-shaped groove 332 is arranged on the clamping block 32, the second resetting piece 34 for driving the clamping block 32 to be embedded into the arc-shaped groove 332 is arranged between the clamping block 32 and the knob 31, the mandrel 21 is arranged on one side of the connecting piece 33 and is in limit fit with the connecting piece 33 to realize circumferential unlocking or circumferential locking of the connecting piece 33, the mandrel 21 is separated from the connecting piece 33 when the password is correct to realize circumferential unlocking of the connecting piece 33, the connecting piece 33 and the knob 31 synchronously rotate at the moment, when the password is wrong, the mandrel 21 is matched with the connecting piece 33 to realize circumferential locking of the connecting piece 33, the knob 31 and the clamping block 32 idle in the cavity 331 at the moment, a mechanical password lock is adopted, a key is not needed, the condition that the unlocking cannot be caused by power failure is not worry, the password wheel is rotated to input a correct password, the mandrel moves to be separated from the connecting piece, the rotating knob drives the connecting piece to rotate at the moment to realize unlocking, and if the password is wrong, the mandrel is kept motionless, at this time, if the unlocking force of the unlocking person is relatively large or the unlocking force is violent, the clamping block can be separated from the arc-shaped groove to compress the second resetting piece when the knob is rotated, the connecting piece is also kept still, and the knob idles in the concave cavity, so that the knob and the mandrel can be protected, and damage is prevented. The mandrel 21 is provided with a limiting plate 212, the first reset piece 24 is arranged by adopting a reset spring, one end of the reset spring is abutted against the end face of the code wheel 22, the other end of the reset spring is abutted against the limiting plate 212 to reset the mandrel 21, and the first reset piece 24 is stable in structure and better resets the mandrel.

The unlocking component 3 further comprises a rotating seat 35 fixedly connected with the knob 31, the rotating seat 35 is rotatably arranged in the concave cavity 331, the rotating seat 35 is connected with the knob 31 through a screw, interference fit and other modes are also possible, the rotating seat 35 is provided with a clamping groove 351, the clamping block 32 is clamped in the clamping groove 351, the second resetting piece 34 is positioned in the clamping groove 351 and is abutted against the clamping block 32, a positioning cavity is formed in the clamping block 32, the second resetting piece 34 is abutted against the bottom wall of the positioning cavity, the structure is stable, idle running is realized better when the password is wrong, and the mandrel is protected. The cover plate 5 which is detachably connected with the connecting piece 33 is arranged on the connecting piece 33, and the cover plate 5 is covered on the rotating seat 35 to limit the rotating seat 35 to be separated from the concave cavity 331, so that the rotating seat 35 has a stable structure, is convenient to install, and better drives the clamping block 32 to move in the concave cavity 331, and prevents the rotating seat from being separated from the concave cavity during rotation.

The rotary knob 31 can axially slide relative to the shell 1, a sliding groove for sliding the rotary knob 31 is formed in the shell 1, the sliding distance of the rotary knob can be limited, the unlocking component 3 further comprises a rotary member 36, the rotary member 36 and the connecting member 33 are arranged in a separated mode, a third reset member 4 for resetting the connecting member 33 is arranged in the shell 1, the separation setting of the connecting member 33 and the rotary member 36 is achieved, the rotary knob 31 slides in the shell, the connecting member 33 compresses the third reset member 4, the connecting member 33 and the rotary member 36 are connected to achieve circumferential rotation of the two, the third reset member 4 of the rotary knob 31 is loosened to reset the connecting member 33, the connecting member 33 and the rotary member 36 are enabled to be arranged to be separated, a connecting block 334 is arranged on the lower end face of the connecting member 33, a connecting groove 361 is formed in the rotary member 36, the connecting member slides downwards under the driving of the rotary knob, the connecting block is inserted into the connecting groove, the rotary member can be driven to synchronously rotate when the connecting member rotates, a square groove hole for adapting to be formed in the rotary member 36 is formed in the rotary member 36, the rotary member is changed according to the shape of the lock, the square groove hole can be connected with the rotary member, the rotary member 33 can be further pressed to the rotary member, and the rotary member can not be driven to be connected with the rotary member 36, even if the rotary member can be driven to rotate, and the rotary member can be further separated from the rotary member by the rotary member can be driven to rotate, and the rotary member can be connected with the rotary member by the rotary member 36.

The end of the mandrel 21 is provided with a V-shaped block 211 or a V-shaped groove, the outer side wall of the connecting piece 33 is provided with a V-shaped groove 333 or a V-shaped block, the V-shaped block 211 is clamped in the V-shaped groove 333 to realize circumferential locking of the connecting piece 33, in this embodiment, the end of the mandrel is provided with a V-shaped block, the outer side wall of the connecting piece is provided with a V-shaped groove, so that the whole volume of the password door lock is small, the V-shaped block is arranged on the connecting piece, the space of the rotating space of the connecting piece is large, the whole volume of the door lock is large, the length of the V-shaped groove 333 is larger than the axial sliding distance of the knob 31, the matching between the mandrel and the connecting piece is facilitated, and the length of the V-shaped groove is larger than the axial sliding distance of the knob, so that the connecting piece is separated from the mandrel after the axial sliding of the knob when the V-shaped block is clamped in the V-shaped groove, and the knob is prevented from rotating when the password is wrong.

The shell 1 comprises an upper shell 11 and a lower shell 12 which are arranged in a split mode, the upper shell 11 and the lower shell 12 are mutually buckled and form an installation cavity through screw connection, the coded wheel assembly 2 and the unlocking assembly 3 are arranged in the installation cavity, the lower shell 12 is provided with a containing cavity 121 with two open ends, the rotating piece 36 is positioned in the containing cavity 121, the upper end of the containing cavity 121 is provided with a flanging 122, the shell also comprises a bottom plate 6, the bottom plate 6 is covered at the bottom of the containing cavity 121 and is connected with the lower shell 12 so as to limit the rotating piece 36 to be separated from the containing cavity 121, the assembly and the disassembly are convenient, the disassembly of each part inside the shell is convenient, and the flanging and the arrangement of the cover plate prevent the rotating piece from being separated from the containing cavity. The inner side wall of the upper shell 11 is provided with a first extending plate 111 extending towards the lower shell 12, the inner side wall of the lower shell 12 is provided with a second extending plate 123 extending towards the upper shell 11, the two extending plates are arranged at intervals to form an opening for the mandrel 21 to pass through, and when the mandrel 21 is in limit fit with the connecting piece 33, the limiting plate 212 is arranged in an abutting mode with the two extending plates to limit the mandrel 21.

Claims (8)

1. The utility model provides a password lock, its characterized in that includes casing (1), sets up password wheel subassembly (2) and unlocking component (3) in casing (1), password wheel subassembly (2) include dabber (21), cover establish a plurality of accent code wheel (22) on dabber (21), drive accent code wheel (22) pivoted password wheel (23) and be used for reset dabber (21) first reset piece (24), password wheel (23) part expose outside casing (1), unlocking component (3) include knob (31), with knob (31) synchronous pivoted fixture block (32) and connecting piece (33), knob (31) part expose outside casing (1), knob (31) can be rotated for casing (1) circumference, be equipped with cavity (331) on connecting piece (33), be equipped with arc recess (332) that supply fixture block (32) to imbed on the lateral wall of cavity (331), knob (31) and fixture block (32) rotate and set up in cavity (331), be equipped with on fixture block (32) and cooperate with second arc recess (332) and arc recess (32) between the drive fixture block (32) and arc recess (32), the core shaft (21) is arranged on one side of the connecting piece (33) and is in limit fit with the connecting piece (33) to achieve circumferential unlocking or circumferential locking of the connecting piece (33), when the password is correct, the core shaft (21) is separated from the connecting piece (33) to achieve circumferential unlocking of the connecting piece (33), at the moment, the connecting piece (33) and the knob (31) synchronously rotate, when the password is wrong, the core shaft (21) is in fit with the connecting piece (33) to achieve circumferential locking of the connecting piece (33), and at the moment, the knob (31) and the clamping block (32) idle in the concave cavity (331).

2. The coded door lock according to claim 1, wherein the unlocking component (3) further comprises a rotating seat (35) fixedly connected with the knob (31), the rotating seat (35) is rotatably arranged in the concave cavity (331), a clamping groove (351) is formed in the rotating seat (35), the clamping block (32) is clamped in the clamping groove (351), and the second resetting piece (34) is located in the clamping groove (351) and is in contact with the clamping block (32).

3. The combination door lock according to claim 1 or 2, wherein the knob (31) can slide axially relative to the housing (1), the unlocking assembly (3) further comprises a rotating member (36), the rotating member (36) is arranged at a distance from the connecting member (33), a third resetting member (4) for resetting the connecting member (33) is arranged in the housing (1), when the knob (31) slides into the housing (1), the connecting member (33) compresses the third resetting member (4), the connecting member (33) is connected with the rotating member (36) to realize circumferential rotation of the connecting member (33) and the rotating member (36), and the third resetting member (4) of the knob (31) is loosened to reset the connecting member (33) to realize the distance between the connecting member (33) and the rotating member (36).

4. A combination door lock according to claim 3, wherein the end of the spindle (21) is provided with a V-shaped block (211) or a V-shaped groove, the outer side wall of the connecting piece (33) is provided with a V-shaped groove (333) or a V-shaped block, the V-shaped block (211) is clamped in the V-shaped groove (333) to realize circumferential locking of the connecting piece (33), and the length of the V-shaped groove (333) is greater than the axial sliding distance of the knob (31).

5. A combination door lock according to claim 2, wherein the connecting member (33) is provided with a cover plate (5) detachably connected thereto, the cover plate (5) being arranged to cover the rotatable seat (35) so as to limit the disengagement of the rotatable seat (35) from the cavity (331).

6. The combination door lock according to claim 1 or 2, wherein the spindle (21) is provided with a limiting plate (212), the first reset piece (24) is arranged by adopting a reset spring, one end of the reset spring is abutted against the end face of the code wheel (22), and the other end of the reset spring is abutted against the limiting plate (212) so as to reset the spindle (21).

7. A combination door lock according to claim 3, wherein the housing (1) comprises an upper housing (11) and a lower housing (12) which are arranged in a split manner, the upper housing (11) and the lower housing (12) are mutually buckled and form an installation cavity through screw connection, the combination wheel assembly (2) and the unlocking assembly (3) are arranged in the installation cavity, the lower housing (12) is provided with a containing cavity (121) with two open ends, the rotating member (36) is arranged in the containing cavity (121), the upper end of the containing cavity (121) is provided with a flanging (122), and the combination door lock further comprises a bottom plate (6), wherein the bottom plate (6) is arranged at the bottom of the containing cavity (121) in a covering manner and is connected with the lower housing (12) so as to limit the rotating member (36) from being separated from the containing cavity (121).

8. The combination door lock according to claim 7, wherein a first extension plate (111) extending toward the lower shell (12) is disposed on the inner side wall of the upper shell (11), a second extension plate (123) extending toward the upper shell (11) is disposed on the inner side wall of the lower shell (12), the two extension plates are spaced apart to form an opening through which the spindle (21) passes, and the limiting plate (212) is arranged in abutting contact with the two extension plates when the spindle (21) is in limit fit with the connecting piece (33).