CN213683570U

CN213683570U - Code changing mechanism applied to key coded lock

Info

Publication number: CN213683570U
Application number: CN202022113245.9U
Authority: CN
Inventors: 林绍廉
Original assignee: Xiamen Make Security Technology Co Ltd
Current assignee: Xiamen Make Security Technology Co Ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-07-13
Anticipated expiration: 2030-09-24

Abstract

The utility model discloses a code changing mechanism applied to a key coded lock, which comprises a lock seat, a knob, two locking plates, a linkage component, a key spring, a coded key, a button spring, a button, two limit components, a code changing component and a reset component, the structure is characterized in that when the button is pressed down, the password key is driven to sequentially fall to a first height and a second height, when the button is at the second height, the password key can be rotated to change the password, the distance between the lock plate and the password key is limited by the limiting component, when the correct password is input, the code changing component can be operated to link the limiting component, so that the locking plate is separated from the password key, the user can press the button to the second height and rotate the password key to change the password, the lock does not need to be disassembled in the password changing process, need not to possess relevant professional knowledge promptly, easy operation, labour saving and time saving have good user experience.

Description

Code changing mechanism applied to key coded lock

Technical Field

The utility model relates to a button trick lock technical field especially indicates a mechanism of changing codes of being applied to button trick lock.

Background

The key combination lock combines the characteristics of an electronic lock and a key mechanical lock, can be unlocked by using a password, is convenient and quick for a user without carrying the key, realizes the lock function according to the linkage of a pure mechanical structure structurally, has strong stability, does not have the risk of causing lock scrapping due to electronic failure, and has wide market prospect.

Considering that the use of the coded lock has the potential safety hazard of accidental code leakage, the user preferably changes the code periodically during use so as to reduce the risk. And if current button trick lock needs to change the password, the operation is more troublesome, needs to dismantle the tool to lock in order to change inner structure setting, this to the common user who does not possess professional knowledge, the operation difficulty, waste time and energy, user experience is extremely poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be applied to escape mechanism of button trick lock, the user just can change the password under the prerequisite of not dismantling the tool to lock, easy operation, labour saving and time saving.

In order to achieve the above purpose, the solution of the present invention is:

a code changing mechanism applied to a key coded lock comprises a lock seat, a knob, two locking plates, a linkage assembly, a key spring, a coded key, a button spring, a button, two limiting assemblies, a code changing assembly and a reset assembly;

the top surface of the lock seat is provided with an installation cavity, and a knob groove and a plurality of key grooves are arranged in the installation cavity; the knob is in rotating fit in the knob groove; the two locking plates are movably matched in the mounting cavity and are respectively arranged on two sides of the key pressing groove; the linkage assembly is sleeved at the bottom end of the knob and drives the locking plate to move along the axial direction of the mounting cavity along with the rotation of the knob; the key spring and the password key are sequentially matched in the key pressing groove, an upper abdicating groove and a lower abdicating groove are arranged on the periphery of the password key in a vertically staggered mode, when the password key set to be the correct password is pressed, the upper abdicating groove abdicating the axial movement of the locking plate, and when the password key set to be the wrong password is not pressed, the lower abdicating groove abdicating the axial movement of the locking plate; the button spring and the button are sequentially matched at the top end of the password key, the password key is driven to sequentially fall to a first height and a second height when the button is pressed, a password is input when the button is at the first height, and the button can be rotated to drive the password key to rotate to change the password when the button is at the second height; the two limiting assemblies are respectively matched at the outer sides of the two locking plates and used for limiting the distance between the locking plate and the password key; the code changing assembly is arranged in the mounting cavity and is linked with the limiting assembly; the reset assembly is used for driving the knob and the locking plate to reset;

when the password is not input or the wrong password is input, the lock plate is limited by the password key and the limiting component and cannot move, the code changing component is limited by the lock plate and cannot be operated, and the button is limited by the lock plate and can only be pressed down to a first height;

after the correct password is input, the knob is rotated and the linkage assembly drives the locking plate to move along the axis direction of the installation cavity, the user can operate the code changing assembly to drive the limiting assembly to be perpendicular to the axis direction of the installation cavity to move, so that the locking plate is separated from the password keys, and the buttons can be pressed down to the second height to change the password.

One side of the lock plate facing the password key is provided with a notch corresponding to the password key, and the size of the notch is larger than the periphery of the password key and smaller than the button.

The angle interval of the upper yielding groove and the lower yielding groove in the circumferential direction of the password key is 180 degrees.

Linkage subassembly is put including the cover top plate cam, the clearance fit of knob bottom are in the installation cavity and be located the peripheral top plate of top plate cam, the tip of locking plate supports on the top plate, top plate cam is along with the rotation promotion of knob the top plate is in order to drive the locking plate is axial displacement.

A be applied to escape mechanism of button trick lock still include hook piece and hook piece spring, hook piece sliding connection cooperation is in the installation cavity and with the button groove sets up relatively, hook piece spring sets up hook piece's tip with between the tip of installation cavity, hook piece's side be provided with the hook portion that the button groove corresponds, the periphery of password button is provided with spacing annular, spacing annular with the groove of stepping down is in same horizontal plane, when the password button was pressed, hook portion catches on spacing annular prevents the password button plays.

The periphery bottom of password button is provided with the guide way, the guide way is along vertical setting, press the lateral wall of keyway to be provided with the guide rail that the guide way matches, work as when the password button is in the second height the guide way breaks away from downwards the guide rail, the password button can rotate in the button groove.

The limiting assembly comprises a push rod movably matched with the side wall of the mounting cavity, a limiting rod arranged below the locking plate, a push rod spring arranged between the end part of the push rod and the end part of the mounting cavity, and a limiting rod spring arranged between the limiting rod and the mounting cavity, the push rod and the limiting rod are arranged in parallel, and a plurality of bumps and grooves are respectively arranged on the opposite surfaces of the push rod and the limiting rod; when the password key is in a locked state, the central line of the convex block is staggered with the central line of the groove, so that the limiting rod is linked by the push rod to push the locking plate to the password key, when the password key is in an unlocked state, the code changing assembly drives the push rod to move axially, so that the convex block is opposite to the groove, and the limiting rod spring links the limiting rod to push the locking plate to the push rod.

The top surface of gag lever post is provided with the spout, the spout is followed the axial setting of gag lever post, the bottom surface of locking plate is provided with the boss, the boss sliding connection cooperation is in the spout.

The installation cavity is internally provided with a mounting part for matching the limiting rod spring, and two ends of the limiting rod spring are respectively abutted against the mounting part and the limiting rod.

The escape assembly comprises a rotation fit escape switch in the installation cavity and a sliding block movably matched with the escape switch, two ends of the sliding block are respectively contacted with the two limiting assemblies, the top end and the bottom end of the escape switch are respectively provided with an operating hole and a gear, the side face of the sliding block is provided with a tooth, the gear is meshed with the tooth, a user inserts the operating hole to drive the escape switch to rotate and drive the sliding block perpendicular to the axis direction of the installation cavity to move, and then drives the limiting assemblies to move to realize the separation of the locking plate from the password key.

The tip of locking plate is provided with the stopper, the stopper with the tip of slider sets up relatively, is used for the restriction the removal of slider.

The reset assembly comprises a torsion spring arranged between the knob groove and the knob and a locking plate spring arranged between the end part of the mounting cavity and the locking plate.

After the technical scheme is adopted, the utility model discloses a spacing subassembly restriction locking plate and the distance of password button can operate the spacing subassembly of escape assembly linkage after the correct password of input for the locking plate breaks away from the password button, and the user can press and rotate the password button and realize changing the password, and the tool to lock need not be dismantled to the process of changing the password, need not to possess relevant professional knowledge promptly, easy operation, labour saving and time saving have good user experience.

Drawings

FIG. 1 is an exploded view of an embodiment of the present invention;

FIG. 2 is a perspective view of a lock base according to an embodiment of the present invention;

FIG. 3 is a perspective view of a password key according to an embodiment of the present invention;

FIG. 4 is a perspective view of a locking plate according to an embodiment of the present invention;

FIG. 5 is a perspective view of a spacing assembly according to an embodiment of the present invention;

FIG. 6 is a perspective view of a escape assembly according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a locked state according to an embodiment of the present invention;

FIG. 8 is a schematic diagram illustrating a process of changing a password according to an embodiment of the present invention;

FIG. 9 is a schematic structural diagram of a password change according to an embodiment of the present invention;

the reference numbers illustrate:

a lock base 1; a mounting cavity 11; a knob groove 12; a key pressing groove 13; a guide rail 131; a mounting portion 14; a knob 2; a lock cylinder 21; a key 22; a locking plate 3; a notch 31; a boss 32; a stopper 33; a linkage assembly 4; a top plate cam 41; a topsheet 42; a key spring 5; a password key 6; an upper abdicating groove 61; a lower relief groove 62; a limit ring groove 63; a guide groove 64; a button spring 7; a button 8; a limiting component 9; a push rod 91; a bump 911; a stopper rod 92; a groove 921; a chute 922; a stopper rod spring 93; a push rod spring 94; an escape assembly 10; an escape switch 101; an operation hole 1011; a gear 1012; a slider 102; a rodent 1021; a sliding contact ramp 1022; a torsion spring 20; a locking plate spring 30; a hook member 40; a hook portion 401; a hook spring 50.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.

The utility model relates to a be applied to mechanism of changing a yard of button trick lock, including lock seat 1, knob 2, two locking plates 3, linkage subassembly 4, key spring 5, password button 6, button spring 7, button 8, two spacing subassemblies 9, the subassembly of changing a yard 10 and reset assembly.

The top surface of the lock seat 1 is provided with a mounting cavity 11, and a knob groove 12 and a plurality of key grooves 13 are arranged in the mounting cavity 11;

the knob 2 is rotatably matched in the knob groove 12;

the two locking plates 3 are movably matched in the mounting cavity 11 and are respectively arranged at two sides of the key groove 13;

the linkage assembly 4 is sleeved at the bottom end of the knob 2 and drives the locking plate 3 to move along the axial direction of the mounting cavity 11 along with the rotation of the knob 2;

the key spring 5 and the password key 6 are sequentially matched in the key groove 13, an upper abdicating groove 61 and a lower abdicating groove 62 are arranged on the periphery of the password key 6 in a vertically staggered manner, when the password key 6 set to be the correct password is pressed, the upper abdicating groove 61 abdicating locking plate 3 axially moves, and when the password key 6 set to be the wrong password is not pressed, the lower abdicating groove 62 abdicating locking plate 3 axially moves;

the button spring 7 and the button 8 are sequentially matched at the top end of the password key 6, the password key 6 is driven to sequentially fall to a first height and a second height when the button 8 is pressed, a password is input when the button 8 is at the first height, and the password key 6 is driven to rotate to change the password by rotating the button 8 when the button 8 is at the second height;

the two limiting assemblies 9 are respectively matched at the outer sides of the two locking plates 3 and used for limiting the distance between the locking plate 3 and the password key 6;

the code changing assembly 10 is arranged in the mounting cavity 11 and is linked with the limiting assembly 9;

the reset component is used for driving the knob 2 and the locking plate 3 to reset;

when the password is not input or the wrong password is input, the locking plate 3 cannot move under the limitation of the password key 6 and the limiting component 9, the code changing component 10 cannot be operated under the limitation of the locking plate 3, and the button 8 can only be pressed down to a first height under the limitation of the locking plate 3;

after the correct password is input, the knob 2 is rotated, the locking plate 3 is driven to move along the axis direction of the mounting cavity 11 through the linkage assembly 4, the code changing assembly 10 can be operated by a user to drive the limiting assembly 9 to move perpendicular to the axis direction of the mounting cavity 11, so that the locking plate 3 is separated from the password key 6, and the button 8 can be pressed to the second height to change the password.

Referring to fig. 1-6, a specific embodiment of the present invention is shown.

Above-mentioned locking plate 3 is provided with the breach 31 that corresponds with password button 6 towards one side of password button 6, and the size of breach 31 is greater than password button 6's periphery, is less than button 8, and button 8 can drive password button 6 through breach 31 pressed down to first height when locking plate 3 is static promptly, and breach 31 restriction button 8 is further pressed down, avoids the tool to lock just can be changed the password under the condition that does not unblank.

The angle interval of the upper abdicating groove 61 and the lower abdicating groove 62 in the circumferential direction of the password key 6 is 180 degrees, namely, when a user changes the password, the correct password and the wrong password of the password key 6 can be changed after the button 8 is pressed and rotated 180 degrees, and the angle value is convenient to memorize. Meanwhile, the periphery of the button 8 can be provided with two parallel sections, so that a user can observe the rotation angle of the button conveniently.

The linkage assembly 4 comprises a top plate cam 41 sleeved at the bottom end of the knob 2 and a top plate 42 movably matched in the mounting cavity 11 and located at the periphery of the top plate cam 41, the end part of the locking plate 3 abuts against the top plate 42, and the top plate cam 41 pushes the top plate 42 along with the rotation of the knob 2 to drive the locking plate 3 to move axially.

The utility model discloses still include hook piece 40 and hook piece spring 50, hook piece 40 sliding connection cooperation sets up in installation cavity 11 and relatively with button groove 13, hook piece spring 50 sets up between the tip of hook piece 40 and installation cavity 11, hook piece 40's side is provided with the hook portion 401 that corresponds with button groove 13, the periphery of password button 6 is provided with spacing annular 63, spacing annular 63 is in same horizontal plane with the groove 62 of stepping down, when password button 6 is pressed, hook portion 401 catches on spacing annular 63 and prevents that password button 6 from bounceing, thereby restrict password button 6 at first height, realize password input.

The peripheral bottom end of the password key 6 is provided with a guide groove 64, the guide groove 64 is vertically arranged, the side wall of the key groove 13 is provided with a guide rail 131 matched with the guide groove 64, when the password key 6 is at the second height, the guide groove 64 is separated from the guide rail 131 downwards, and the password key 6 can rotate in the key groove 13.

Above-mentioned spacing subassembly 9 is including the push rod 91 of movable fit at the installation cavity 11 lateral wall, the gag lever post 92 of setting in locking plate 3 below, set up the push rod spring 94 between push rod 91 tip and installation cavity 11 tip, set up the gag lever post spring 93 between gag lever post 92 and installation cavity 11, push rod 91 and gag lever post 92 set up side by side, opposite face between them is provided with a plurality of lugs 911 respectively, the recess 921, during the locked state, the central line of lug 911 misplaces with the central line of recess 921, so that push rod 91 pushes gag lever post 92 linkage locking plate 3 to password button 6, during the unlocked state, the code changing subassembly 10 drives push rod 91 and makes axial displacement, so that lug 911 is relative with recess 921, gag lever post spring 93 pushes gag lever post 92 linkage locking plate 3 to push rod 91, realize that locking plate 3 breaks away from password button 6. In this embodiment, both ends of the limiting rod 92 are provided with limiting rod springs 93 to ensure a stable working state of the limiting rod 92, and the limiting rod springs 93 are stably pushed to the push rod 91.

The top surface of the limiting rod 92 is provided with a sliding groove 922, the sliding groove 922 is arranged along the axial direction of the limiting rod 92, the bottom surface of the locking plate 3 is provided with a boss 32, and the boss 32 is in sliding connection with the sliding groove 922 so as to realize the axial movement of the locking plate 3 when the limiting rod 92 is static.

An installation part 14 for matching the limiting rod spring 93 is arranged in the installation cavity 11, and two ends of the limiting rod spring 93 respectively abut against the installation part 14 and the limiting rod 92 so as to provide elastic force to push the limiting rod 92 to the push rod 91.

The code changing assembly 10 comprises a code changing switch 101 which is rotatably matched in the installation cavity 11, and a sliding block 102 which is movably matched with the code changing switch 101, two ends of the sliding block 102 are respectively contacted with two limiting assemblies 9 (namely the push rod 91), the top end and the bottom end of the code changing switch 101 are respectively provided with an operation hole 1011 and a gear 1012, the side surface of the sliding block 102 is provided with the gear 1021, the gear 1012 is meshed with the gear 1021, a user inserts the operation hole 1011 through a tool to drive the code changing switch 101 to rotate and drive the sliding block 102 to move in the axial direction perpendicular to the installation cavity 11, and then the limiting assemblies 9 are driven to move to realize that the locking plate 3 is separated from the password key 6, specifically: according to the structure of the above-mentioned limit component 9, when the slide block 102 moves axially, the push rod 91 is driven to move axially, so that the protrusion 911 is opposite to the groove 921, and the limit rod spring 93 pushes the limit rod 92 to push the lock plate 3 to the push rod 91 in linkage with the lock plate 3, so that the lock plate 3 is separated from the password button 6. In this embodiment, the end of the sliding block 102 is provided with a sliding inclined surface 1022 for the push rod 91 to engage.

The end of the above-mentioned locking plate 3 is provided with the stopper 33, and the stopper 33 sets up with the tip of slider 102 relatively for the removal of restriction slider 102, when not inputing the password or inputing wrong password promptly, locking plate 3 receives password button 6 restriction unable axial displacement, and then the removal of restriction slider, the unable change of code switch that rotates of user.

The reset assembly comprises a torsion spring 20 arranged between the knob groove 12 and the knob 2 and a locking plate spring 30 arranged between the end part of the mounting cavity 11 and the locking plate 3.

The lock cylinder 21 is arranged in the knob 2, and after a key 22 matched with the lock cylinder 21 is inserted, the lock can be unlocked directly, so that the key unlocking function is realized, and the situation that a user forgets a password to cause that a lock cannot be unlocked is avoided.

In actual use, the knob 2 is connected with a lock tongue of the key coded lock, and when the knob 2 is in a rotatable state (correct code is pressed), the knob can be rotated by a user to drive the lock tongue to release a locking state, so that door opening is realized.

Referring to fig. 7, the unlocking state of the present invention is: the utility model discloses an operating principle is, when not pressing button 8, locking plate 3 can be through the lower groove 62 of stepping down of wrong password, blocked by the correct password, when pressing button 8, locking plate 3 can be through the last groove 61 of stepping down of correct password, blocked by the wrong password, then when pressing whole correct password, the last groove 61 of stepping down of correct password and the lower groove 62 of stepping down of wrong password arrange into a straight line, allow locking plate 3 to pass through, then knob 2 is no longer spacing this moment, can rotate and realize unblanking.

Referring to fig. 8 and 9, the escape state of the present invention: after the correct password is input, the knob 2 is rotated and kept, and the knob 2 drives the locking plate 3 to move through the linkage assembly 4, so that the limiting block 33 is separated from the sliding block 102; the code changing switch 101 is rotated to drive the sliding block 102 to move, the sliding block 102 jacks up the push rod 91, so that the convex block 911 of the push rod 91 moves to the position of the groove 921 of the limiting groove 40, and the limiting rod 92 is opened under the action of the limiting rod spring 93; releasing the knob 2, resetting the knob 2, pushing the fragments 3 by the locking plate spring 30 until the limiting block 33 abuts against the surface of the sliding block 102, and resetting the hook member 40 to enable the password key 6 to be bounced up by the key spring 5; the old correct masks are pressed respectively until the password keys 6 are separated from the guide rail 131 downwards, and at the moment, the buttons 8 can be rotated to drive the password keys 6 to rotate 180 degrees to change new and old passwords.

According to the above scheme, the utility model discloses a spacing subassembly 9 limits the distance of locking plate 3 and password button 6, can operate the spacing subassembly 9 of escape assembly 10 linkage after the correct password of input for locking plate 3 breaks away from password button 6, and the user can press and rotate password button 6 and realize the change password, and the tool to lock need not dismantled to the process of change password, need not to possess relevant professional knowledge promptly, and easy operation, labour saving and time saving have good user experience.

The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.

Claims

1. The utility model provides a be applied to mechanism of changing codes of button trick lock which characterized in that: the password lock comprises a lock seat, a knob, two locking plates, a linkage assembly, a key spring, a password key, a button spring, a button, two limiting assemblies, a code changing assembly and a reset assembly;

the top surface of the lock seat is provided with an installation cavity, and a knob groove and a plurality of key grooves are arranged in the installation cavity;

the knob is in rotating fit in the knob groove;

the two locking plates are movably matched in the mounting cavity and are respectively arranged on two sides of the key pressing groove;

the linkage assembly is sleeved at the bottom end of the knob and drives the locking plate to move along the axial direction of the mounting cavity along with the rotation of the knob;

the key spring and the password key are sequentially matched in the key pressing groove, an upper abdicating groove and a lower abdicating groove are arranged on the periphery of the password key in a vertically staggered mode, when the password key set to be the correct password is pressed, the upper abdicating groove abdicating the axial movement of the locking plate, and when the password key set to be the wrong password is not pressed, the lower abdicating groove abdicating the axial movement of the locking plate;

the button spring and the button are sequentially matched at the top end of the password key, the password key is driven to sequentially fall to a first height and a second height when the button is pressed, a password is input when the button is at the first height, and the button can be rotated to drive the password key to rotate to change the password when the button is at the second height;

the two limiting assemblies are respectively matched at the outer sides of the two locking plates and used for limiting the distance between the locking plate and the password key;

the code changing assembly is arranged in the mounting cavity and is linked with the limiting assembly;

the reset assembly is used for driving the knob and the locking plate to reset;

2. The escape mechanism for a keyed combination lock as recited in claim 1, further comprising:

3. The escape mechanism for a keyed combination lock as recited in claim 1, further comprising:

4. The escape mechanism for a keyed combination lock as recited in claim 1, further comprising:

5. The escape mechanism for a keyed combination lock as recited in claim 1, further comprising:

still include hook piece and hook piece spring, hook piece sliding connection cooperation is in the installation cavity and with the button groove sets up relatively, hook piece spring sets up hook piece's tip with between the tip of installation cavity, hook piece's side be provided with the hook portion that the button groove corresponds, password button's periphery is provided with spacing annular, spacing annular with the groove of stepping down is in same horizontal plane, when password button was pressed, hook portion catches on spacing annular prevents password button bounce.

6. The escape mechanism for a keyed combination lock as recited in claim 1, further comprising:

7. The escape mechanism for a keyed combination lock as recited in claim 1, further comprising:

the limiting assembly comprises a push rod movably matched with the side wall of the mounting cavity, a limiting rod arranged below the locking plate, a push rod spring arranged between the end part of the push rod and the end part of the mounting cavity, and a limiting rod spring arranged between the limiting rod and the mounting cavity, the push rod and the limiting rod are arranged in parallel, and a plurality of bumps and grooves are respectively arranged on the opposite surfaces of the push rod and the limiting rod;

when the password key is in a locked state, the central line of the convex block is staggered with the central line of the groove, so that the limiting rod is linked by the push rod to push the locking plate to the password key, when the password key is in an unlocked state, the code changing assembly drives the push rod to move axially, so that the convex block is opposite to the groove, and the limiting rod spring links the limiting rod to push the locking plate to the push rod.

8. The escape mechanism for a keyed combination lock as recited in claim 7, further comprising:

9. The escape mechanism for a keyed combination lock as recited in claim 7, further comprising:

10. The escape mechanism for a keyed combination lock as recited in claim 1, further comprising:

11. The escape mechanism for a push-button combination lock as claimed in claim 10, wherein:

12. The escape mechanism for a keyed combination lock as recited in claim 1, further comprising: