CN112252846A - Coreless rack coded lock and manufacturing method thereof - Google Patents

Abstract

A coreless rack coded lock belongs to the field of mechanical manufacturing and is suitable for safes, vaults and secret rooms and household security doors. The invention aims to overcome the defects that the prior art cannot prevent technical unlocking, is inconvenient to use and the like. The technical scheme for solving the technical problem is as follows: a plurality of gears 2, a plurality of rack pins 4, a lock tongue shaft 1 and a limiting plate 5 are arranged to form a plurality of dynamic 'return' frames, the lock tongue shaft 1 is limited in a mode that 1 gear 2 is meshed with 2 rack pins 4, when the rack pin 4 is located at a unique specific position, the lock tongue shaft 1 can move axially, and the scribed line reading of the specific position, which is matched with the mark, at a knob 8 is determined to be a password; the gear assembly which is combined by the gear 2 with a hollow shaft structure, the mandrel 6, the knob 8 and the like is arranged to input a new password in a conversion way; and the whole or part of the knob 8 is rotated, and the opening and closing handle 7 is rotated to open and close the lockset.

Description

Coreless rack coded lock and manufacturing method thereof

The technical field is as follows:

the invention belongs to the field of mechanical manufacturing, and particularly relates to a core-free coded lock with a full mechanical structure and a manufacturing method of a switch lockset by inputting a changeable code.

Technical background:

at present, mechanical locks such as spring locks, blade locks, gear (bar) locks and the like which are widely used adopt various lock core structures and keys to complete the opening and closing of the locks, and cannot prevent technical unlocking and poor security and anti-theft function; mechanical coded locks, wherein the multi-dial coded locks can be unlocked forcibly without codes; the dial type coded lock can find out the code tentatively; the dial type and box type coded lock has a complex lock body structure, relies on hand feeling for positioning and is inconvenient to operate; the patent ZL201621041604.1 multi-core rack combination lock has the defects of inaccurate combination, incapability of changing and modifying, inconvenience in use and the like.

The invention content is as follows:

in order to overcome the defects that the prior art can not prevent technical unlocking, has low confidentiality, complex structure, easy failure and inconvenient operation, the invention provides a coded lock with a full mechanical structure and a manufacturing method of the coded lock with no lock cylinder and the coded lock with input, password conversion and switch locks.

The technical scheme for solving the technical problems of the invention is as follows: a coreless rack coded lock, between lock body shell, lock body cover, parallel to place 2 or more than 2 rack seats; a plurality of rack pins are arranged on two sides of one side of the rack seat, and a lock tongue shaft and a limiting plate are arranged at two ends (or the middle part), 1 gear is meshed with 2 rack pins, and a plurality of dynamic 'return' frames are formed by combining a plurality of gears, a plurality of rack pins, a lock tongue shaft and a limiting plate; the gear of the opening and closing handle is meshed with the tooth part of the lock tongue shaft; the lock body shell, the rack seat and the lock body cover are connected into a whole body through rivet welding by the plurality of screw pins. The invention can be a pure lockset, and can also combine the lockset and the door into a door lock integration. When the lock is assembled, the inner ring seat, the lock body, the door and the outer ring seat are connected by the ring seat screws. The spline of the core shaft and the knob are engaged and then inserted into the inner hole of the gear, the nut knob is installed at the other end of the core shaft and fastened, the scale reading of the knob is matched with the mark of the outer ring seat, and the scale reading of the nut knob is matched with the mark of the inner ring seat.

The core-free rack coded lock is characterized in that one side or two sides of the rack seat are provided with a plurality of rack grooves, and both ends (or the middle part) are provided with through holes for arranging a bolt shaft and a limiting plate and are provided with bolt through holes; the rack part of the latch shaft is meshed with the gear of the opening and closing handle, and a plurality of through holes are in sliding fit with the corresponding rack pins; the length of the rack pin is equal to the vertical distance between the bolt shaft and the limiting plate, and two ends of the rack pin are in sliding fit with the corresponding through holes; the gear assembly comprises a gear, a mandrel, a knob, a nut button and a snap ring, and is used for inputting and changing passwords; the outer ring of the knob is provided with scale line reading, the inner hole is provided with a spline, the knob is 1 part and can be decomposed into a knob body and 2 parts of a knob ring, and the knob ring can be carried about and used as a password key, so that the confidentiality degree is enhanced.

The invention provides a manufacturing method, which adopts a gear assembly to determine and change a password and utilizes a gear-rack pair to restrict a latch shaft to open and close a lockset. The original password is determined by arranging a plurality of parallel rack pins, a lock tongue shaft in the vertical direction, a limiting plate and a plurality of gears to form a plurality of dynamic 'return' frames, and inserting 2 rack pins which are simultaneously meshed by 1 gear in the 'return' middle position into through holes of the lock tongue shaft and the limiting plate to do reverse axial movement, so that the lock tongue shaft can only do axial movement at a certain specific position, the specific position is the instant position that 2 rack pins meshed with the gear are all positioned at the corresponding through holes of the bolt shaft and the limit plate, at this time, the marking reading of the knob and the outer ring seat is matched, namely the codes of the gear assembly and the knobs, and similarly, the scribed line reading matched with each 1 knob is the respective code, all the knob codes are combined, namely, the cipher code group of the lock, the lock bolt shaft is positioned at the specific position at the moment and can move axially to unlock the lock by being separated from the restriction of the rack pin. The method for inputting and changing new cipher is characterized by that when the lock is opened, the pressure or thrust or rotating force can be used to drive core shaft to make axial movement, and the movement distance is greater than the length of spline of gear, and when the knob is drawn to make spline connection be separated, the knob can be rotated leftwards or rightwards to a certain position, and the spline can be meshed and returned to original position, and locked and fixed. Similarly, the other gear assemblies are operated one by one, and at the moment, the reticle readings of all the knobs which are matched with the marks of the corresponding outer ring seats are the respective new passwords which are input in a conversion mode, and the reticle readings are combined to form the new password set of the lockset which is input in a conversion mode. The method for opening and closing the lock is that when the lock is opened, each knob 1 is rotated left or right one by one to make a certain scribed line reading (password) matched with the coordinate of the outer ring, namely the password group is input, the opening and closing handle is rotated to a preset opening position and pulled, and the lock is opened; when the lock is closed, the starting handle is rotated to a closing position, all or part of the knobs are rotated in a left-handed or right-handed manner in sequence or randomly, so that the password is not matched with the coordinate of the outer ring, and the lock is closed; and unlocking again, and reversely operating the lock once when the lock is closed, so that the lock is unlocked.

The invention has the beneficial effects that: the device adopts a pure mechanical structure, is suitable for various environments, is stable and durable, and has good strong force damage resistance and high reliability; a lock core key is not needed, the operation is simple, and the use is convenient; the high-key secret quantity containing big data enables the technical unlocking probability to approach zero and the confidentiality to be extremely high. The anti-theft door is suitable for places with high security requirements of safe cabinets and safe rooms of a vault and a household anti-theft door.

The invention is further illustrated by the following figures and examples.

Description of the drawings:

FIG. 1 is a construction view of a first embodiment;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a view of the latch shaft;

FIG. 4. gears;

FIG. 5. rack mount;

FIG. 6. mandrel;

FIG. 7. knob;

FIG. 8. rack pin;

FIG. 9 is a structural view of a second embodiment.

The specific implementation mode is as follows:

fig. 1-8 are schematic views of the lock structure and the main parts of the first embodiment, namely, the safe cabinet and the security door. 4 rack seats 3, including a gear 2(1) and a connecting piece thereof, are arranged between the lock body shell 15 and the lock body cover 16, and the gear seats 3, the gear 3(2), the gear 3(3), the gear 3(4) and the connecting piece thereof are arranged between the lock body shell 15 and the lock body cover 16; 2(2) to 2(7) total 6 gears 2 and components thereof are arranged; 4(1) to 4(12) rack pins 4 are arranged; the lock bolt shaft 1 and the limit plate 5 are installed. As shown in fig. 5, the rack base 3 has 4 rack slots 301 on two sides for mounting the rack pin 4; the through hole 302 is provided with a bolt shaft 1; the limiting plate 5 is arranged in the through hole 303, and the rivet welding screw pin 17 is arranged in the screw holes 304 at the two ends. As shown in fig. 3, the latch shaft 1 has a tooth 101 engaged with the core 2 (1); the through hole 102 at 12 is in sliding fit with the rack stud 4 correspondingly. As shown in fig. 4, the gear 2 is sleeved in the middle of the mandrel 6 in a sliding fit manner, and the 201 part of the gear is meshed with the corresponding rack pin 4; the spline 202 part and the spline 801 of the knob 8 are simultaneously meshed with the part 601 of the mandrel 6, and the sum of the spline length of the core wheel 2 and the spline length of the knob 8 is slightly less than the spline length of the mandrel 6. The spline part 601 of the mandrel 6 is meshed with the splines of the knob 8 and the gear 2 as shown in FIG. 6; the part 602 is in sliding fit with the knob 8; a nut button 10 is arranged at the 603 part; a snap ring 18 is mounted at the position 604 to limit the axial displacement. The knob 8 shown in fig. 7 can be disassembled into two parts, i.e., a knob body 8(1) and a knob ring 8(2), and a portion 801 of the knob body is engaged with the core shaft 6; the 802 part is the reticle reading and is the code library. The rack pins 4 shown in fig. 8 are installed in the corresponding rack grooves, the toothed portions 401 of which are engaged with the corresponding gears 2, and the portions 402 and 403 of which correspond to the through holes of the latch shafts 1 and the stopper plates 5, respectively. The 8 screw pins 17 connect the lock body shell 15, the lock body cover 16 and the rack seat 3 into a whole by rivet welding, namely the lock body. The 12 ring seat screws 12 connect and fasten the outer ring seat 9, the lock body, the inner ring seat 11 and the door.

The opening and closing handle 7 is rotated, the spline is meshed with the driving core shaft 6, the gear 2(1), the top and bottom hook 14, the locking pressure plate 13 and the pin 19 to do rotating motion, and the gear 2(1) drives the locking bolt shaft 1 to do axial motion. The knob 8 is rotated to drive the mandrel 6 and the gear 2 to rotate, and the gear 2 drives 2 parallel rack pins to axially move. Similarly, the other knobs 8 are rotated to drive all the rack pins 4 to move axially. When all the rack pins 4 are positioned at the instant position of being separated from the corresponding through holes of the lock bolt shaft 1 and the limiting plate 5, the scale reading, namely the password and the password combination, matched with the marks of the knob 8 and the outer ring seat 9 can be marked, and only at the moment, the lock bolt shaft 1 can move axially.

When inputting a new password, the snap ring 18 is detached, the nut button 10 is rotated to enable the mandrel 6 to move axially, when the movement distance is larger than the length of the spline of the gear 2, the left-handed knob or the right-handed knob 8 rotates to a certain angle, after key connection is recovered, the nut button 10 is rotated reversely to enable the mandrel 6 and the knob 8 to return to the original position, the snap ring 18 is locked, at the moment, the scribed line reading of the knob 8 and the outer ring seat 9 which are matched in mark is the input new password, and similarly, the rest gear assemblies are operated to obtain a new password group.

When the lockset is unlocked, each knob 8 is rotated left or right to ensure that the password is matched with the mark of the outer ring seat 9, the opening and closing handle 7 is rotated to ensure that the bolt shaft 1 is pulled outwards to the opening position, and the lockset and the door are unlocked; when the lockset is closed, the right-handed or right-handed opening and closing handle 7 enables the bolt shaft 1 to be in a closed position, and then the knobs 8 are rotated one by one (or a plurality of) to enable the rack pins 4 to be inserted into the corresponding through holes, so that the lockset is closed; when the lock is unlocked again, the operation of locking is repeated in the reverse direction, and the lock is unlocked.

When the knob 8 is disassembled into the knob body 8(1) and the knob ring 8(2), the knob ring 8(2) is a key code ring that can be carried around, so as to enhance the security of the lock.

Fig. 9 shows a structural diagram of a padlock as a second embodiment, which is based on the same principle and main components as above, and 4 rack holders 3 are installed between the front plate 6 and the back plate 7; there are 4 pieces of gear 2(2), (1), (2), (3), (2), (4); 2 shaft sleeves 13 are arranged; has 4(1) to 4(6) rack pins 4 in total; the lock bolt shaft 1 and the limit plate 5 are arranged. The 8 screw pins 9 rivet and weld the face plate 6, the back plate 7 and the rack seat 3, and then rivet and weld the side plates 8 into a whole, namely the lock body. The 4 pieces of pins 12 fix the 3 pieces of knobs 11 and the opening and closing knobs 10 on the gear 2, and the panel 6 has marked lines on the circumferential positions intersecting the line readings of the buttons 11.

When the lock is unlocked, the knobs 11 are rotated one by one to enable the passwords to be matched with the marked scribed lines, then the opening and closing knobs 10 are rotated to the opening positions, and the lock is opened; when the lock is closed, the opening and closing knob 10 is rotated to a closing position, and then the knobs 11 are rotated one by one (or selected) to any position, so that the lock is closed; when the expenses are paid again, the operation is reversed once, and the lockset is unlocked.

The embodiment can carry the knob 11 with oneself to strengthen the confidentiality, stop technical unlocking fundamentally.

Claims (4)

1. The utility model provides a no core rack trick lock, includes lock body shell (15), lock body lid (16), opens and close handle (7), world colludes (14) and connects sagitty ability firmware, characterized by: a plurality of gears (2), a plurality of rack pins (4), a lock tongue shaft (1) and a limiting plate (5) are arranged to form a plurality of dynamic 'return' frames, the lock tongue shaft (1) is restricted in a mode that 1 gear (2) is meshed with 2 rack pins (4), and when the lock tongue shaft 1 moves, the fact that the only specific position where the rack pins (4) are located is a code at the scribed line reading of a knob (8) matched with a mark is determined; a plurality of gear assemblies are arranged to penetrate through the lock body, the mandrel (6) penetrates through the through hole of the gear (2) and rotates and axially moves under the action of external forces such as thrust, pressure, rotary force and the like, and the original reticle reading (original password) with the mark matched with the mark of the knob (8) and the outer ring seat (9) is changed into a new reticle reading (new password), namely the new password is input; the knob (8) is arranged and can be decomposed into two parts, namely a knob body 8(1) and a knob ring 8 (2); the opening and closing handle (7) is rotated, and all or part of the knobs (8) are rotated to open and close the lockset.

2. The coreless, rack combination lock of claim 1, wherein: a plurality of rack pins (4) which are parallel to each other and have the length equal to the vertical distance between a lock bolt shaft (1) and a limiting plate (5) and a lock bolt shaft (1) in the vertical direction, the limiting plate (5) and a plurality of gears (2) form a plurality of dynamic 'returning' frames, 2 rack pins (4) meshed with 1 gear (2) in the 'returning' center penetrate through holes of the lock bolt shaft (1) and the limiting plate (5) to do reverse axial movement, so that the lock bolt shaft (1) can do axial movement only when the rack pins (4) are located at the instant positions which are separated from the through holes of the lock bolt shaft (1) and the limiting plate (5), the scale reading of the instant positions marked and matched by the knob (8) and an outer ring seat (9) is determined to be the password of the knob (8), and the password combination of all the knobs (8) is the password group of the lockset.

3. The coreless, rack combination lock of claim 1, further comprising: set up the gear assembly, input new password, the gear assembly includes gear (2) of hollow shaft structure, dabber (6) and knob (8), nut button (10) and snap ring (18), under the situation is opened to the tool to lock, axial motion is made under nut button (10) revolving force effect in dabber (6), make dabber (6) break away from the key-type connection with gear (2), rotary knob (8), make its former groove reading (former password) anastomotic with outer ring seat (9) mark be new groove reading (new password), realize the new password of input.

4. The coreless, rack combination lock of claim 1, wherein: one side or two sides of the rack seat (3) are provided with 2 rack grooves (301) which are parallel, and through holes (302) and (303) for installing the bolt shaft (1) and the limiting plate (5) are arranged at two ends; a key part (202) and an axial through hole of the gear (2) are fused with the mandrel (6) in a sliding way, and a tooth part (201) of the gear is meshed with the rack pin (4); a through hole (102) at 12 positions of the lock tongue shaft (1) is in sliding fit with the rack pin (4), and the tooth part (101) is meshed with the gear (2); the rack column lock (4) is arranged in the rack groove (301), the length of the rack column lock is equal to the distance between the bolt shaft (1) and the limiting plate (5), two ends of the rack column lock are in sliding fit with the corresponding through holes, and tooth parts of the rack column lock are meshed with the gear (2); the core shaft (6) penetrates through the through hole of the core wheel (2), and two ends of the core shaft are respectively connected with the knob (8) and the nut button (10); the knob (8) can be decomposed into a knob body [8(1) ] and a knob ring [8(2) ], and the knob ring [8(2) ] can be carried along, so that the density is enhanced.

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