CN108915375B - Unlocking mechanism of coded lock - Google Patents
Unlocking mechanism of coded lock Download PDFInfo
- Publication number
- CN108915375B CN108915375B CN201811094863.4A CN201811094863A CN108915375B CN 108915375 B CN108915375 B CN 108915375B CN 201811094863 A CN201811094863 A CN 201811094863A CN 108915375 B CN108915375 B CN 108915375B
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- lock
- rod
- plate
- rotating shaft
- bottom plate
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- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B37/00—Permutation or combination locks; Puzzle locks
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B3/00—Fastening knobs or handles to lock or latch parts
- E05B3/003—Fastening knobs or handles to hollow cylindrical spindles, e.g. of tubular locks
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/14—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other
- E05B63/146—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other locks with two or more bolts, each bolt itself being a tumbler
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention relates to the technical field of coded locks, in particular to an unlocking mechanism of a coded lock, which comprises an outer door handle, an inner rotary disc and an inner door handle, wherein the inner rotary disc is rotationally arranged on a bottom plate, the inner rotary disc is fixedly connected with the inner door handle through an inner rotary shaft, the outer rotary shaft is rotationally arranged relative to a lock shell and can axially displace relative to the inner rotary disc.
Description
Technical Field
The invention relates to the technical field of coded locks, in particular to an unlocking mechanism of a coded lock.
Background
At present, the coded lock is mainly divided into a mechanical lock and an electronic lock, and the electronic lock is not moisture-resistant and is easy to damage and crack although the electronic lock is simple in structure and convenient to use; therefore, the mechanical lock is popular in the market, however, the unlocking mechanism in the existing mechanical coded lock has the problems of complex structure and inconvenient use.
Disclosure of Invention
The invention aims to solve the technical problems that: in order to solve the problems of complex structure and inconvenient use of an unlocking mechanism in a mechanical coded lock in the prior art, the unlocking mechanism of the coded lock is provided.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides an unlocking mechanism of trick lock, trick lock includes the lock shell, is located the lock core board of lock shell, sets up the bottom plate on the lock shell and slides the first spring bolt of setting on the bottom plate, have a plurality of lock core pieces on the lock core board, slide on the bottom plate and be provided with the reset plate, can reset lock core piece when upwards moving the reset plate, this unlocking mechanism includes outer door handle, interior carousel and interior door handle, interior carousel rotates to set up on the bottom plate, interior carousel passes through interior pivot and interior door handle fixed connection, outer door handle has outer pivot on, outer pivot rotates the setting relative to the lock shell, and can carry out axial displacement relative to interior carousel, the one end that is close to interior pivot on the outer pivot has grafting portion, offer on the interior carousel with grafting portion assorted jack, grafting portion is opposite with the jack;
the first lock tongue is in transmission connection with the inner rotating disc, the inner rotating disc can provide driving force for retraction of the first lock tongue when rotating, and when the inserting part is inserted into the inserting hole, the outer rotating shaft is circumferentially fixed on the inner rotating disc.
In the scheme, the inner door handle is directly connected with the inner rotating disc through the inner rotating shaft, so that the inner door handle can be directly rotated in a room to retract the first lock tongue and the second lock tongue, and the coded lock is opened; the plugging part is smoothly inserted into the jack outside the house, and then the outer door handle is rotated to drive the inner rotary disc to rotate together, so that the coded lock is opened.
Further, an inner rod is eccentrically arranged on the inner rotary table, a sliding rod is fixed on the first lock tongue, the sliding rod is in sliding connection with the bottom plate, an inner connecting rod is arranged on the bottom plate, the middle part of the inner connecting rod is rotatably arranged on the bottom plate, one end of the sliding rod, which is far away from the first lock tongue, is provided with a stop lever part, the tail end of the inner connecting rod is located between the stop lever part and the first lock tongue, a first long groove is formed in the head end of the inner connecting rod, and the inner rod is located in the first long groove.
Further, the bottom plate is provided with a sliding block in a sliding manner, a second lock tongue is fixed on the sliding block through a connecting frame, the first lock tongue and the second lock tongue are both positioned on the same side of the lock shell, a lower concave part is formed in the lower surface of the sliding block, two lower stress surfaces for the tail end of the inner connecting rod to abut are arranged in the lower concave part, and the tail end of the inner connecting rod is positioned between the two lower stress surfaces.
Further, the outer rotary disc is sleeved on the plug-in portion, the outer rotary disc is circumferentially fixed on the plug-in portion, an outer rod is eccentrically arranged on the outer rotary disc, an outer connecting rod is arranged between the outer rod and the sliding block, the middle part of the outer connecting rod is relatively rotatably arranged in the lock shell, a second long groove is formed in the head end of the outer connecting rod, the outer rod is located in the second long groove, an upper concave portion is formed in the upper surface of the sliding block, and an upper stress surface for the tail end of the outer connecting rod to abut against is arranged at one end, close to the second lock tongue, of the upper concave portion.
Further, the novel lock comprises a lock core rod, one end of the lock core rod is fixedly connected with the lock core plate, the other end of the lock core rod is provided with a limiting part, the upper surface of the limiting part is a slope, the limiting part is blocked above the jack, the inserting part is opposite to the slope of the limiting part, and the upper surface of the slope is gradually inclined downwards.
Further, the outer rotating disc is in transmission connection with the reset plate, and the outer rotating disc can provide driving force for upward movement of the reset plate when rotating.
Further, the horizontal groove has been seted up to one side on the outer peripheral face of outer carousel, and the chute that communicates with the horizontal groove has been seted up to the opposite side, the extension route of horizontal groove is on the same axial position of outer carousel, the extension route of chute is upwards inclined gradually along the circumference of outer carousel, it is provided with the montant to slide along upper and lower direction on the bottom plate, the top of montant is fixed with the horizontal pole, be fixed with outer reset lever on the reset plate, the one end that outer reset lever is close to the horizontal pole is located directly over the horizontal pole.
Further, the lock tongue spring is sleeved on the slide bar, the mounting seat is fixed on the bottom plate, the slide bar penetrates through the mounting seat, one end of the lock tongue spring abuts against the mounting seat, and the other end of the lock tongue spring abuts against the first lock tongue.
Further, the lock shell is internally fixed with a base, the outer rotating shaft penetrates through the base, a rotating sleeve is circumferentially fixed on the outer rotating shaft and is rotationally connected with the base, an outer torsion spring is sleeved on the rotating sleeve, one free end of the outer torsion spring abuts against the rotating sleeve, the other free end of the outer torsion spring abuts against the base, an axial spring is sleeved on the outer rotating shaft, one end of the axial spring is fixed on the lock shell, and the other end of the axial spring is fixed on the base.
Further, one end of the bottom plate, which is far away from the lock shell, is provided with an inner shell, the inner rotating shaft penetrates through the inner shell, an inner torsion spring is arranged on the inner rotating shaft, one free end of the inner torsion spring abuts against the inner shell, and the other free end of the inner torsion spring abuts against the inner rotating shaft relatively.
The beneficial effects of the invention are as follows: the unlocking mechanism of the coded lock has a simple structure and is convenient to operate, the design that the outer rotating shaft is separated from the inner rotating disc is adopted, so that the outer rotating shaft is required to be inserted into the inner rotating disc to open the door through the outer door handle outdoors, whether the outer rotating shaft can be inserted into the inner rotating disc or not can be controlled, whether the outer door handle can be opened or not can be controlled, namely, the first lock tongue and the second lock tongue cannot retract through the driving of the outer door handle before the outer rotating shaft is inserted into the inner rotating disc, diversified choices are provided for the design of the coded lock, and a higher safety coefficient is ensured.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic cross-sectional view of an unlocking mechanism of a combination lock of the present invention;
FIG. 2 is an enlarged schematic view of a portion of FIG. 1A;
FIG. 3 is a schematic top view of the combination lock of the present invention;
FIG. 4 is a schematic cross-sectional view of B-B of FIG. 3;
FIG. 5 is a schematic view in section C-C of FIG. 3;
FIG. 6 is a schematic illustration of the engagement of a cross bar with an outer rotor in an unlocking mechanism of a combination lock of the present invention;
FIG. 7 is a schematic view of a slider in the unlocking mechanism of the combination lock of the present invention;
fig. 8 is a schematic view of an outer dial in an unlocking mechanism of a combination lock of the present invention.
In the figure: 1. the lock comprises a lock shell, 2, a lock cylinder plate, 2-1, a through hole, 3, a bottom plate, 3-1, a mounting seat, 3-2, a support, 4, a first lock tongue, 5, a lock cylinder block, 5-1, a clamping column, 6, a reset plate, 6-1, a reset protrusion, 6-2, an outer reset rod, 7, a first plate, 8, an outer door handle, 9, an outer rotating shaft, 9-1, a plug-in part, 10, an outer rotating disc, 10-1, an outer rod, 10-2, a horizontal groove, 10-3 and a chute;
11. the inner door handle, 12, an inner rotating shaft, 13, an inner rotating disc, 13-1, an inserting hole, 13-2, an inner rod, 14, a sliding rod, 14-1, a stop lever part, 15, an inner connecting rod, 15-1, a first long groove, 16, a sliding block, 16-1, a lower concave part, 16-11, a lower stress surface, 16-2, an upper concave part, 16-21, an upper stress surface, 17, a connecting frame, 18, a second lock tongue, 19, an outer connecting rod, 19-1, a second long groove, 20, a lock core rod, 20-1, a limiting part, 20-11 and a slope;
21. the lock comprises a vertical rod, a 22, a cross rod, a 23, a lock tongue spring, a 24, a base, a 25, a rotating sleeve, a 26, an outer torsion spring, a 27, an axial spring, a 28, an inner shell, a 29, an inner torsion spring, a 30, a lock core spring, a 31, a cipher key, a 32 and a connecting rod.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only those features which are relevant to the invention, and orientation and reference (e.g., up, down, left, right, etc.) may be used solely to aid in the description of the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.
Example 1
As shown in fig. 1-8, an unlocking mechanism of a coded lock comprises a lock shell 1, a lock cylinder plate 2 positioned in the lock shell 1, a bottom plate 3 arranged on the lock shell 1 and a first lock tongue 4 arranged on the bottom plate 3 in a sliding manner, wherein a plurality of lock cylinder blocks 5 are arranged on the lock cylinder plate 2, a reset plate 6 is arranged on the bottom plate 3 in a sliding manner, a reset protrusion 6-1 on the reset plate 6 can reset the lock cylinder blocks 5 when the reset plate 6 moves upwards, the unlocking mechanism comprises an outer door handle 8, an inner rotary plate 13 and an inner door handle 11, the inner rotary plate 13 is rotatably arranged on the bottom plate 3, the inner rotary plate 13 is fixedly connected with the inner door handle 11 through an inner rotary shaft 12, an outer rotary shaft 9 is arranged on the outer door handle 8 in a rotating manner relative to the lock shell 1 and can axially displace relative to the inner rotary plate 13, an inserting part 9-1 is arranged at one end of the outer rotary shaft 9, an inserting hole 13-1 matched with the inserting part 9-1 is formed in the inner rotary plate 13, and the inserting part 9-1 is opposite to the inserting part 13-1;
the first lock tongue 4 is in transmission connection with the inner rotary disk 13, when the inner rotary disk 13 rotates, a driving force can be provided for retraction of the first lock tongue 4, when the plug-in portion 9-1 is inserted into the jack 13-1, the outer rotary shaft 9 is circumferentially fixed on the inner rotary disk 13, and the cross section of the plug-in portion 9-1 is non-circular (such as polygonal or elliptical).
The transmission connection relation between the inner rotary disk 13 and the first lock tongue 4 is specifically as follows: an inner rod 13-2 is eccentrically arranged on the inner rotary table 13, a sliding rod 14 is fixed on the first lock tongue 4, the sliding rod 14 is in sliding connection with the bottom plate 3, an inner connecting rod 15 is arranged on the bottom plate 3, the middle part of the inner connecting rod 15 is rotatably arranged on the bottom plate 3, one end of the sliding rod 14, which is far away from the first lock tongue 4, is provided with a stop lever part 14-1, the tail end of the inner connecting rod 15 is positioned between the stop lever part 14-1 and the first lock tongue 4, the head end of the inner connecting rod 15 is provided with a first long groove 15-1, and the inner rod 13-2 is positioned in the first long groove 15-1; when the inner rotary table 13 is utilized to rotate, the inner rod 13-2 on the inner rotary table 13 drives the inner connecting rod 15 to rotate, so that the inner connecting rod 15 stirs the stop rod part 14-1, and the first lock tongue 4 is retracted to realize unlocking.
In order to improve the safety coefficient, a sliding block 16 is arranged on the bottom plate 3 in a sliding manner, a second lock tongue 18 is fixed on the sliding block 16 through a connecting frame 17, the first lock tongue 4 and the second lock tongue 18 are both positioned on the same side of the lock shell 1, a lower concave part 16-1 is formed in the lower surface of the sliding block 16, two lower stress surfaces 16-11 for the tail end of the inner connecting rod 15 to abut are arranged in the lower concave part 16-1, and the tail end of the inner connecting rod 15 is positioned between the two lower stress surfaces 16-11;
the main purpose of the arrangement of the two lower bearing surfaces 16-11 is: the second lock tongue 18 can be directly controlled to stretch and retract by rotating the inner door handle 11 in the room, specifically: when the inner rotary disk 13 rotates anticlockwise, the inner rotary disk 13 pushes the lower stress surface 16-11, which is close to one end of the second lock tongue 18, on the sliding block 16 through the inner connecting rod 15, so that the second lock tongue 18 extends out, and the coded lock is closed; when the inner rotary disk 13 rotates clockwise, the inner rotary disk 13 pushes the lower stress surface 16-11 on the slide block 16 far away from one end of the second lock tongue 18 through the inner connecting rod 15, so that the second lock tongue 18 is retracted, and meanwhile, the inner connecting rod 15 also pushes the stop lever part 14-1 together, so that the first lock tongue 4 is retracted, and the unlocking of the coded lock is realized.
In order to realize that only the second lock tongue 18 can extend outdoors through the outer door handle 8 and cannot retract, the outer rotary disc 10 is sleeved on the inserting part 9-1, the outer rotary disc 10 is circumferentially fixed on the inserting part 9-1, an outer rod 10-1 is eccentrically arranged on the outer rotary disc 10, an outer connecting rod 19 is arranged between the outer rod 10-1 and the sliding block 16, the middle part of the outer connecting rod 19 is relatively rotatably arranged in the lock shell 1, the head end of the outer connecting rod 19 is provided with a second long groove 19-1, the outer rod 10-1 is positioned in the second long groove 19-1, the upper surface of the sliding block 16 is provided with an upper concave part 16-2, and one end, close to the second lock tongue 18, of the upper concave part 16-2 is provided with an upper stress surface 16-21 for the tail end of the outer connecting rod 19 to be abutted against; when the outer rotary disk 10 rotates anticlockwise, the outer rotary disk 10 pushes the upper stress surface 16-21 on the sliding block 16 through the outer connecting rod 19 to enable the second lock tongue 18 to extend out, so that the coded lock is closed; when the outer rotary table 10 rotates clockwise, the sliding block 16 has no bearing surface for the outer connecting rod 19 to abut, so that the second sliding block 16 cannot retract outdoors through the rotation of the outer rotary table 10, namely the second lock tongue 18 cannot retract outdoors through the way of driving the outer rotary table 10.
In the embodiment, the lock further comprises a lock core rod 20, one end of the lock core rod 20 is fixedly connected with the lock core plate 2, the other end of the lock core rod is provided with a limiting part 20-1, the upper surface of the limiting part 20-1 is a slope 20-11, the limiting part 20-1 is blocked above the jack 13-1, the inserting part 9-1 is opposite to the slope 20-11 of the limiting part 20-1, and the upper surface of the slope 20-11 is gradually inclined downwards;
when the password group of the password lock is not input or wrongly input, the lock core block 5 on the lock core plate 2 is clamped in the first plate 7 above the lock core plate 2, the lock core plate 2 cannot move under the action of the lock core block 5, and then the plug-in part 9-1 of the outer rotating shaft 9 on the outer door handle 8 cannot enter the jack 13-1 to drive the inner rotary disc 13 to rotate, so that the first lock tongue 4 and the second lock tongue 18 cannot be driven to unlock;
when the cipher code group is correctly input, all lock core blocks 5 are pushed to not prevent the movement of the lock core plate 2, at the moment, the outer door handle 8 can be pushed towards the direction of the inner rotary plate 13, under the cooperation of the slope 20-11 of the limit part 20-1 on the jack 13-1 and the plug-in part 9-1, the lock core rod 20 and the lock core plate 2 can generate displacement together, so that the plug-in part 9-1 smoothly enters the jack 13-1, then the outer door handle 8 is rotated to drive the inner rotary plate 13 to rotate together, the inner rod 13-2 on the inner rotary plate 13 can drive the inner connecting rod 15 to rotate, thereby the stop lever part 14-1 is driven by the inner connecting rod 15, and the first lock tongue 4 and the second lock tongue 18 are retracted, so that unlocking is realized;
in order to realize automatic resetting after the lock core plate 2 is pushed by the plug-in part 9-1, the lock core rod 20 is sleeved with a lock core spring 30, one end of the lock core spring 30 is propped against the support 3-2 of the bottom plate 3, the other end is propped against the limiting part 20-1, under the action of the plug-in part 9-1, when the lock core plate 2 moves towards a direction far away from the inner rotary disc 13, the lock core spring 30 is in a compressed state, after the plug-in part 9-1 is separated from the plug-in hole 13-1, the limiting part 20-1 on the lock core rod 20 loses the blocking of the plug-in part 9-1, under the action of the lock core spring 30, the lock core spring 30 can push the lock core rod 20 to reset, so that the lock core plate 2 can be reset, and the reset plate 6 can move upwards only after the lock core plate 2 is restored to the original position, otherwise, the reset protrusion 6-1 on the reset plate 6 can be propped against the lock core plate 2, and the reset plate 6 can be blocked to move upwards.
In order to facilitate the upward movement of the reset plate 6 on the outer door handle 8, the lock cylinder block 5 is reset, the outer rotary disk 10 is in transmission connection with the reset plate 6, and the outer rotary disk 10 can provide driving force for the upward movement of the reset plate 6 when rotating.
The method comprises the following steps: a horizontal groove 10-2 is formed in one side of the outer peripheral surface of the outer rotary disc 10, a chute 10-3 communicated with the horizontal groove 10-2 is formed in the other side of the outer peripheral surface of the outer rotary disc 10, the extending path of the horizontal groove 10-2 is arranged at the same axial position of the outer rotary disc 10, the extending path of the chute 10-3 gradually inclines upwards along the circumferential direction of the outer rotary disc 10, a vertical rod 21 is arranged on the bottom plate 3 in a sliding manner along the up-down direction, a cross rod 22 is fixed at the top end of the vertical rod 21, an outer reset rod 6-2 is fixed on the reset plate 6, and one end, close to the cross rod 22, of the outer reset rod 6-2 is positioned right above the cross rod 22; when the outer door handle 8 rotates to the state that the cross rod 22 moves along the chute 10-3, the cross rod 22 gradually rises along the chute 10-3, so that the cross rod 22 props against the outer reset rod 6-2 to enable the reset plate 6 to move upwards together, and reset of the lock cylinder block 5 is realized; while the outer door handle 8 is rotated until the cross bar 22 moves along the horizontal slot 10-2, the cross bar 22 remains stationary.
In order to facilitate the automatic extension of the first lock tongue 4, a lock tongue spring 23 is sleeved on the slide bar 14, a mounting seat 3-1 is fixed on the bottom plate 3, the slide bar 14 passes through the mounting seat 3-1, one end of the lock tongue spring 23 is propped against the mounting seat 3-1, and the other end is propped against the first lock tongue 4; when the first lock tongue 4 is retracted, the lock tongue spring 23 is in a compressed state, so that the lock tongue spring 23 can automatically extend out of the first lock tongue 4 under the action of self elasticity after the driving force of the inner connecting rod 15 is lost by the stop lever part 14-1.
In order to realize that the outer door handle 8 can automatically reset after being operated, a base 24 is fixed in the lock shell 1, an outer rotating shaft 9 penetrates through the base 24, a rotating sleeve 25 is circumferentially fixed on the outer rotating shaft 9, the rotating sleeve 25 is rotationally connected with the base 24, an outer torsion spring 26 is sleeved on the rotating sleeve 25, one free end of the outer torsion spring 26 is abutted against the rotating sleeve 25, the other free end is abutted against the base 24, an axial spring 27 is sleeved on the outer rotating shaft 9, one end of the axial spring 27 is fixed on the lock shell 1, and the other end is fixed on the base 24; the outer door handle 8 can automatically reset after rotating through the arrangement of the outer torsion spring 26, and the axial spring 27 can automatically spring out from the jack 13-1 after the outer door handle 8 makes the plug-in part 9-1 move towards the inner rotary disc 13.
In order to realize automatic resetting of the inner door handle 11 after operation, further, one end of the bottom plate 3, which is far away from the lock shell 1, is provided with an inner shell 28, the inner rotating shaft 12 passes through the inner shell 28, the inner rotating shaft 12 is provided with an inner torsion spring 29, one free end of the inner torsion spring 29 is propped against the inner shell 28, and the other free end is propped against the inner rotating shaft 12; when the inner door handle 11 rotates, the inner torsion spring 29 can store force, so that the inner door handle 11 automatically resets under the action of the inner torsion spring 29 after the inner door handle 11 loses the action of a human hand.
In addition, through holes 2-1 corresponding to the lock cylinder blocks 5 are formed in the lock cylinder plate 2 one by one, the lock cylinder blocks 5 are matched in the corresponding through holes 2-1 one by one, the lock cylinder blocks 5 in all the through holes 2-1 hover in the through holes 2-1 under the action of friction force between the lock cylinder blocks and the through holes 2-1, the lock cylinder blocks 5 can displace relative to the through holes 2-1 only when external force is applied, connecting rods 32 are independently arranged on the code keys 31 in the code lock, and when the code keys 31 are pressed, the connecting rods 32 where the code keys 31 are positioned correspondingly push the lock cylinder blocks 5 to move downwards to be separated from the first plate 7; after the lock cylinder block 5 moves downwards, the reset plate 6 is required to be utilized to move upwards, the lock cylinder block 5 can be pushed to move upwards through the reset protrusion 6-1 on the reset plate 6, and the lock cylinder block 5 is reset until the clamping column is clamped on the first plate 7 again.
The unlocking mechanism of the coded lock has the following working principle:
if the first plate 7 is arranged above the lock core plate 2, the clamping column 5-1 on the lock core block 5 is clamped on the first plate 7 to prevent the lock core plate 2 from moving transversely, and after the password of the coded lock is pressed, the lock core block 5 on the lock core plate 2 moves downwards to separate the clamping column 5-1 on the lock core block 5 from the first plate 7 so that the lock core plate 2 can be moved transversely; when the password of the coded lock is correctly input, all lock core blocks 5 are pushed to not prevent the lock core plate 2 from moving, at the moment, the outer door handle 8 can be pushed towards the direction of the inner rotary plate 13, under the cooperation of the slope 20-11 of the limit part 20-1 on the jack 13-1 and the plug-in part 9-1, the lock core rod 20 and the lock core plate 2 can generate displacement together, so that the plug-in part 9-1 smoothly enters the jack 13-1, then the outer door handle 8 is rotated to drive the inner rotary plate 13 to rotate together, the inner rod 13-2 on the inner rotary plate 13 can drive the inner connecting rod 15 to rotate, and accordingly the stop lever part 14-1 is driven by the inner connecting rod 15, and the first lock tongue 4 and the second lock tongue 18 are retracted to realize unlocking.
The above-described preferred embodiments according to the present invention are intended to suggest that, from the above description, various changes and modifications can be made by the worker in question without departing from the technical spirit of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (8)
1. The utility model provides an unlocking mechanism of trick lock, trick lock includes lock shell (1), is located lock core board (2) of lock shell (1), sets up bottom plate (3) and the slip first spring bolt (4) of setting on bottom plate (3) on lock shell (1), have a plurality of lock core pieces (5) on lock core board (2), the slip is provided with reset plate (6) on bottom plate (3), reset plate (6) can reset lock core piece (5) when upwards moving, its characterized in that: the unlocking mechanism comprises an outer door handle (8), an inner rotating disc (13) and an inner door handle (11), wherein the inner rotating disc (13) is rotatably arranged on a bottom plate (3), the inner rotating disc (13) is fixedly connected with the inner door handle (11) through an inner rotating shaft (12), the outer door handle (8) is provided with an outer rotating shaft (9), the outer rotating shaft (9) is rotatably arranged relative to a lock shell (1) and can axially displace relative to the inner rotating disc (13), one end, close to the inner rotating shaft (12), of the outer rotating shaft (9) is provided with an inserting portion (9-1), an inserting hole (13-1) matched with the inserting portion (9-1) is formed in the inner rotating disc (13), and the inserting portion (9-1) is opposite to the inserting hole (13-1);
the first lock tongue (4) is in transmission connection with the inner rotating disc (13), the inner rotating disc (13) can provide driving force for retraction of the first lock tongue (4) when rotating, and when the inserting part (9-1) is inserted into the inserting hole (13-1), the outer rotating shaft (9) is circumferentially fixed on the inner rotating disc (13);
the novel lock comprises a lock cylinder plate (2), and is characterized by further comprising a lock cylinder rod (20), wherein one end of the lock cylinder rod (20) is fixedly connected with the lock cylinder plate (2), the other end of the lock cylinder rod is provided with a limiting part (20-1), the upper surface of the limiting part (20-1) is a slope (20-11), the limiting part (20-1) is blocked above an inserting hole (13-1), the inserting part (9-1) is opposite to the slope (20-11) of the limiting part (20-1), and the upper surface of the slope (20-11) gradually inclines downwards;
an outer rotary disc (10) is sleeved on the plug-in part (9-1);
the outer rotary table (10) is in transmission connection with the reset plate (6), and the outer rotary table (10) can provide driving force for upward movement of the reset plate (6) when rotating;
when the password group of the password lock is wrongly input or not input, a lock cylinder block (5) on the lock cylinder plate (2) is clamped in a first plate (7) above the lock cylinder plate (2), and the lock cylinder plate (2) cannot move under the action of the lock cylinder block (5);
when the code set is correctly entered, all the lock cylinder blocks (5) are pushed out of the way of the movement of the lock cylinder plate (2).
2. The unlocking mechanism of a combination lock according to claim 1, wherein: the inner rotary plate (13) is eccentrically provided with an inner rod (13-2), the first lock tongue (4) is fixedly provided with a slide rod (14), the slide rod (14) is in sliding connection with the bottom plate (3), the bottom plate (3) is provided with an inner connecting rod (15), the middle part of the inner connecting rod (15) is rotationally arranged on the bottom plate (3), one end, far away from the first lock tongue (4), of the slide rod (14) is provided with a stop rod part (14-1), the tail end of the inner connecting rod (15) is located between the stop rod part (14-1) and the first lock tongue (4), the head end of the inner connecting rod (15) is provided with a first long groove (15-1), and the inner rod (13-2) is located in the first long groove (15-1).
3. The unlocking mechanism of a combination lock according to claim 2, wherein: the novel lock is characterized in that a sliding block (16) is arranged on the bottom plate (3) in a sliding manner, a second lock tongue (18) is fixed on the sliding block (16) through a connecting frame (17), the first lock tongue (4) and the second lock tongue (18) are both located on the same side of the lock shell (1), a lower concave portion (16-1) is formed in the lower surface of the sliding block (16), two lower stress surfaces (16-11) for the tail end of the inner connecting rod (15) to abut against are arranged in the lower concave portion (16-1), and the tail end of the inner connecting rod (15) is located between the two lower stress surfaces (16-11).
4. A combination lock unlocking mechanism according to claim 3, wherein: the outer rotary table (10) is circumferentially fixed on the inserting part (9-1), an outer rod (10-1) is eccentrically arranged on the outer rotary table (10), an outer connecting rod (19) is arranged between the outer rod (10-1) and the sliding block (16), the middle part of the outer connecting rod (19) is relatively rotatably arranged in the lock shell (1), a second long groove (19-1) is formed in the head end of the outer connecting rod (19), the outer rod (10-1) is located in the second long groove (19-1), an upper concave part (16-2) is formed in the upper surface of the sliding block (16), and an upper stress surface (16-21) for the tail end of the outer connecting rod (19) to abut against is arranged at one end, close to the second lock tongue (18), of the upper concave part (16-2).
5. The unlocking mechanism of a combination lock according to claim 1, wherein: horizontal groove (10-2) has been seted up to one side on outer carousel (10) outer peripheral face, and chute (10-3) with horizontal groove (10-2) intercommunication have been seted up to the opposite side, the extension route of horizontal groove (10-2) is on the same axial position of outer carousel (10), the extension route of chute (10-3) is upwards inclined gradually along the circumference of outer carousel (10), the upper and lower direction slip is provided with montant (21) on bottom plate (3), the top of montant (21) is fixed with horizontal pole (22), be fixed with outer reset lever (6-2) on reset plate (6), the one end that outer reset lever (6-2) is close to horizontal pole (22) is located directly over horizontal pole (22).
6. The unlocking mechanism of a combination lock according to claim 2, wherein: the spring bolt spring (23) is sleeved on the sliding rod (14), the mounting seat (3-1) is fixed on the bottom plate (3), the sliding rod (14) penetrates through the mounting seat (3-1), one end of the spring bolt spring (23) abuts against the mounting seat (3-1), and the other end of the spring bolt spring abuts against the first spring bolt (4).
7. The unlocking mechanism of a combination lock according to claim 1, wherein: the novel lock is characterized in that a base (24) is fixed in the lock shell (1), the outer rotating shaft (9) penetrates through the base (24), a rotating sleeve (25) is circumferentially fixed on the outer rotating shaft (9), the rotating sleeve (25) is rotationally connected with the base (24), an outer torsion spring (26) is sleeved on the rotating sleeve (25), one free end of the outer torsion spring (26) abuts against the rotating sleeve (25), the other free end of the outer torsion spring abuts against the base (24), an axial spring (27) is sleeved on the outer rotating shaft (9), one end of the axial spring (27) is fixed on the lock shell (1), and the other end of the axial spring is fixed on the base (24).
8. The unlocking mechanism of a combination lock according to claim 1, wherein: one end of the bottom plate (3) far away from the lock shell (1) is provided with an inner shell (28), the inner rotating shaft (12) penetrates through the inner shell (28), an inner torsion spring (29) is arranged on the inner rotating shaft (12), one free end of the inner torsion spring (29) abuts against the inner shell (28), and the other free end of the inner torsion spring abuts against the inner rotating shaft (12) relatively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811094863.4A CN108915375B (en) | 2018-09-19 | 2018-09-19 | Unlocking mechanism of coded lock |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811094863.4A CN108915375B (en) | 2018-09-19 | 2018-09-19 | Unlocking mechanism of coded lock |
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| Publication Number | Publication Date |
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| CN108915375A CN108915375A (en) | 2018-11-30 |
| CN108915375B true CN108915375B (en) | 2023-12-19 |
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| CN201811094863.4A Active CN108915375B (en) | 2018-09-19 | 2018-09-19 | Unlocking mechanism of coded lock |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109057544B (en) * | 2018-09-19 | 2023-12-19 | 何志勤 | Mechanical puzzle lock |
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| JP3097752U (en) * | 2003-05-13 | 2004-02-05 | 李 伯彦 | Reset mechanism of push-key cryptographic lock core |
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| KR20080092230A (en) * | 2007-04-10 | 2008-10-15 | 주식회사 에스티에프 | Door lock |
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| CN209482880U (en) * | 2018-09-19 | 2019-10-11 | 何志勤 | The unlocking mechanism of coded lock |
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|---|---|---|---|---|
| JP3097752U (en) * | 2003-05-13 | 2004-02-05 | 李 伯彦 | Reset mechanism of push-key cryptographic lock core |
| CN2674019Y (en) * | 2004-02-10 | 2005-01-26 | 袁民 | Pushing-button type trick lock |
| KR20080092230A (en) * | 2007-04-10 | 2008-10-15 | 주식회사 에스티에프 | Door lock |
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| CN108915375A (en) | 2018-11-30 |
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