CN216110162U - Coreless rack coded lock - 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 utility model 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 axial movement of the lock tongue shaft 1 is limited in a mode that 1 gear 2 is meshed with 2 rack pins 4, and when all the rack pins 4 are determined to be positioned at positions separated from through holes corresponding to the lock tongue shaft 1 and the limiting plate 5, the scale reading marked by the knob 8 and the outer ring seat 9 in a matching mode is a password; a plurality of gear assemblies are arranged to change the reticle reading of the mark inosculated between the knob 8 and the outer ring seat 9, and the changed password is input; 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

The technical field is as follows:

the utility model 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.

Background art:

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 utility model has the following contents:

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 utility model 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 utility model 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 one side or two sides of the rack seat, 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, the lock tongue shaft and the limiting plate; the gear connected with the opening and closing handle is meshed with the latch shaft; the lock body shell, the rack seat and the lock body cover are connected into a whole body through rivet welding by a plurality of screws. The utility model can be a pure lockset, and can also combine the lockset and the door into a door lock. When the lock is assembled, the inner ring seat, the lock body, the door and the outer ring seat are connected by a plurality of bolts. 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 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 lock bolt shaft and the limiting plate, and two ends of the rack pin are in sliding fit with the corresponding through holes of the lock bolt shaft and the limiting plate; 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 utility model 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. Determining an original password, namely combining a plurality of dynamic 'return' frames by arranging rack pins which are parallel to each other, a lock tongue shaft in the vertical direction, a limiting plate and a plurality of gears, wherein 1 gear is meshed with two rack pins and is inserted into the lock tongue shaft and a through hole of the limiting plate to do reverse axial movement; similarly, the scribed lines of each 1 knob matched with the outer ring seat are read and taught as respective passwords; all knob passwords are combined into a lock password group. The method for inputting and changing cipher is that under the condition of opening lock, the pressure or thrust or rotating force is used to drive core shaft to make axial movement, and when the knob is drawn to make spline connection be separated, the left-hand knob or right-hand knob can be moved to any position to make spline engagement return to original position, and can be 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 passwords after conversion, and the reticle readings are the lockset password sets after conversion together. The method for opening and closing the lock is that when the lock is opened, each knob is rotated left or right one by one to enable the password of the knob to be matched with the coordinate record 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 utility model 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 such as safe cabinets, vault and secret rooms and the like and home anti-theft doors.

The utility model 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 schematic structural view of the latch shaft 1;

FIG. 4 is a schematic structural view of the gear 2;

fig. 5 is a schematic structural view of the rack holder 3;

FIG. 6 is a schematic structural view of the mandrel 6;

FIG. 7 is a schematic structural view of the knob 8;

fig. 8 is a schematic structural view of the rack pin 4;

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

The specific implementation mode is as follows:

fig. 1-8 show the lock structure and the main parts of the first embodiment, namely, the safe and the security door. 4 rack seats 3 are arranged between the lock body shell 15 and the lock body cover 16; 7 pieces of gears 2 and components thereof are arranged; 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 A302 is provided with a bolt shaft 1; the limiting plate 5 is arranged in the through hole B303; rivet welding screws 17 are mounted in the screw holes 304 at the two ends. As shown in fig. 3, the part 101 of the latch shaft 1 is meshed with the gear 2; 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 part of the knob 8 are simultaneously meshed with the part 601 of the mandrel 6, and the sum of the length of the spline of the gear 2 and the length of the spline of the knob 8 is equal to or slightly less than the length of the spline 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 and 2 can be disassembled into two parts, namely a knob body 81 and a knob ring 82, and the 801 part is meshed with the mandrel 6; the 802 part is the reticle reading and is the password library of the lock. The rack pins 4 shown in fig. 8 are installed in the respective rack grooves, and their portions 401 are engaged with the respective gears 2, and portions 402 and 403 are slidably fitted into the corresponding through holes of the latch shafts 1 and the stopper plates 5, respectively. The 8 screws 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 bolts 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, the top and bottom hook 14, the locking pressure plate 13 and the pin 19 to do rotating motion, and the gear 2 drives the lock 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 the 2 parallel rack pins 4 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 positions separated from the through holes corresponding to the bolt shaft 1 and the limiting plate 5, the scale reading, namely the password and the password group, matched with the marks of the knob 8 and the outer ring seat 9 can be marked, and the bolt shaft 1 can move axially at the moment.

When a password is input and converted, 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 any angle, after key connection is recovered, the nut button 10 is rotated reversely, the mandrel 6 and the knob 8 return to the original position, the snap ring 18 is locked, at the moment, the scribed line reading of the knob 8 and the mark of the outer ring seat 9 which are matched is the password after the conversion is input, and in the same way, the rest gear assemblies are operated to obtain the password group after the conversion.

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 left-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.

As shown in fig. 7 and 2, the knob 8 can be disassembled into two parts, namely a knob body 81 and a knob ring 82, and the knob ring 82 is a portable cipher ring with a key function to enhance the security of the lock.

Fig. 9 shows a structural view of a padlock as a second embodiment, which is the same principle and main parts as above, and 4 rack seats 3 are arranged between a front plate 6 and a back plate 7; there are 4 gears 2; 2 shaft sleeves 13 are arranged; 6 rack pins 4 are arranged; the lock bolt shaft 1 and the limit plate 5 are arranged. The panel 6, the back plate 7 and the rack seat 3 are riveted and welded by 8 screws 9, and then the side plates 8 are riveted and welded 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 marks on the circumferential positions intersecting the marked line readings of the knobs 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 lock is unlocked again, the reverse operation is performed once, and the lock is unlocked.

The embodiment can carry the knob 11 with the key function, so as to enhance the security and fundamentally avoid technical unlocking.

Claims (1)

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 connecting fastener, 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, 1 gear (2) is installed to be meshed with 2 rack pins (4), and a password is determined by adopting a mode that the rack pins (4) are inserted into or separated from corresponding through holes of the lock tongue shaft (1) to restrict the axial movement of the lock tongue shaft (1); 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, rotating force and the like, and the scale reading matched with the marks of the knob (8) and the outer ring seat (9) is converted, namely the converted password is input; the arranged knob (8) can be decomposed into a knob body (81) and a knob ring (82); the opening and closing handle (7) is rotated, and part or all of the knobs (8) are rotated to open and close the lockset.

Images