CN210422188U

CN210422188U - Password knob device

Info

Publication number: CN210422188U
Application number: CN201920803866.4U
Authority: CN
Inventors: 郑生文; 唐园园
Original assignee: Tang Zhonghan
Current assignee: Tang Zhonghan
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-04-28
Anticipated expiration: 2029-05-30

Abstract

The utility model relates to a password knob device belongs to password technical field. The password lock mainly comprises a base, a password locking block, a password knob, a password wheel, a middle wheel, an elastic positioning tongue, a fixed rigid tongue and a fixed elastic tongue; the utility model has the advantages that the device realizes the function of using the mechanical password control key, has a trial and error prevention structure, and greatly improves the safety; the button has the characteristics of buttons, so the button can be used in a linkage way by matching with a mechanical structure or an electrical structure, and the linkage structure can be a front trigger structure or a rear trigger structure, so the button has wider application scenes; because it exists in the form of modularization, can imbed all kinds of safe scenes fast, the password number also can be seen specific use scene and freely arrange with the password constitution.

Description

Password knob device

Technical Field

The utility model relates to a password knob device belongs to password technical field.

Background

The cipher lock of the safe and the cipher lock of the door body in the prior art both adopt the traditional cipher wheel technology and device, and the applicant designs a brand-new cipher knob device, which is convenient for modular design, thereby carrying out brand-new design and creation on the structure of the cipher knob.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a password knob device to overcome prior art's is not enough.

The technical scheme of the utility model is that the device mainly comprises a base, a password locking block, a password knob, a password wheel, a middle wheel, an elastic positioning tongue, a fixed rigid tongue and a fixed elastic tongue;

the base comprises a bottom plate, a bracket vertically arranged on the bottom plate, and an upright column, a spring column and a middle wheel column which are arranged between the bottom plate and the bracket;

the bottom plate comprises a lower upright post hole at the bottom of the fixed upright post, a spring post hole at the bottom of the fixed spring post and a middle wheel post hole at the bottom of the fixed middle wheel post;

the support comprises a side wall and a top surface arranged perpendicular to the side wall, the top surface is correspondingly provided with an upper upright post hole and an axle hole, and the fixed rigid tongue and the fixed elastic tongue are arranged on the side wall;

the upright post is inserted and fixed between the lower upright post hole and the upper upright post hole, the bottom end of the middle wheel post is inserted and fixed in the middle wheel post hole, the other end of the middle wheel post is movably connected with the top surface of the middle wheel, and the middle wheel rotates around the middle wheel post;

the password locking block comprises a stand column through hole, a shaft through hole, a positioning pin hole, a spring hole, a password wheel mounting cavity and a code changing mechanism;

the column penetrates through the column through hole, the top end of the spring column further comprises a spring, one end of the spring is sleeved on the spring column, the other end of the spring is clamped in the spring hole, the code wheel is arranged in the code wheel arranging cavity, and the code changing mechanism is arranged at the bottom edge of the code wheel arranging cavity and is at least two bosses uniformly distributed along the circumference;

the password knob further comprises a rotating shaft, a baffle plate and a positioning pin, the rotating shaft of the password knob penetrates through the shaft through hole, one end of the rotating shaft is fixedly connected with the password knob, and the other end of the rotating shaft penetrates through the through hole of the baffle plate and is fixedly connected with the password wheel; the positioning pin is arranged in the positioning pin hole, and the end part of the positioning pin also comprises a ball pin head for positioning the password wheel; a bearing is also arranged between the rotating shaft and the shaft through hole;

the code wheel is matched with the middle wheel through keys and grooves, an eccentric mechanism is arranged on the opposite plane of the code wheel and the middle wheel, the code wheel is provided with long keys and long grooves which are uniformly distributed at intervals, and the middle wheel is provided with short keys and short grooves which are uniformly distributed at intervals;

the ball pin head at the end part of the positioning pin is movably clamped in the long groove and is matched with the end part of the long groove to realize the positioning of the password wheel;

the code changing mechanism is clamped in the short groove or the long groove; the code changing mechanism is less than or equal to the number of the short slots,

the elastic positioning tongue is arranged on the side wall of the password locking block and comprises a positioning spring bolt, a positioning spring bolt seat and a positioning spring bolt; the tongue tip of the positioning spring bolt is provided with a positive inclined plane, the positioning spring bolt slides along the positioning tongue seat, the positioning tongue spring is sleeved on the rod body of the positioning spring bolt, the positioning tongue spring is arranged in the U-shaped positioning tongue seat, and the positioning spring bolt is reset;

the fixed rigid tongue is arranged on the upper part of the side wall of the bracket and is a locking mechanism of the elastic positioning tongue; the fixed rigid bolt is comma-shaped, and an inclined plane at the bottom of the fixed rigid bolt is contacted with a positive inclined plane of the positioning bolt;

the fixed elastic tongue is a resetting mechanism of the elastic positioning tongue and is arranged in the middle of the side wall of the bracket; the fixed elastic tongue comprises a fixed lock tongue, a fixed tongue seat and a fixed tongue spring, and the reverse inclined surface of the fixed lock tongue is contacted with the forward inclined surface of the positioning lock tongue; the tongue point of the fixed spring bolt is provided with a reverse inclined plane, the fixed spring bolt slides along the fixed tongue seat, the fixed tongue spring is sleeved on the rod body of the fixed spring bolt, and the fixed tongue spring is arranged in the U-shaped fixed tongue seat and resets the fixed spring bolt.

The eccentric mechanism is a geometric figure, and two geometric figures which are respectively arranged on the planes of the password wheel and the middle wheel are completely consistent; the long keys of the password wheel are equal to or less than the number of the short grooves of the middle wheel, and the long keys are uniformly distributed along the circumference to keep the stress balance; the long keys of the cipher wheels are also arranged to be different in length from each other.

The number of the short grooves of the middle wheel comprises two-digit Arabic numerals, three-digit Arabic numerals, four-digit Arabic numerals, English letters, Greek letters or phonetic letters.

The password knob is a gear driven by a motor, and the motor is controlled by a control circuit to realize the rotating function of the password knob; or random dialing of the password knob.

The password knob moves and displaces when pressed down and is linked with the external switch, and the control of the mechanical mechanism on the circuit is realized.

The front trigger mechanism is movably arranged below the password locking block and fills a space between the password locking block and the base; the front trigger mechanism moves horizontally.

The fixed rigid tongue also comprises a secondary clamping mechanism, and the secondary clamping mechanism is arranged below the inclined plane; the second-stage clamping mechanism is contacted with the fixed elastic tongue.

The utility model has the advantages that the device realizes the function of using the mechanical password control key, has a trial and error prevention structure, and greatly improves the safety; the button has the characteristics of buttons, so the button can be used in a linkage way by matching with a mechanical structure or an electrical structure, and the linkage structure can be a front trigger structure or a rear trigger structure, so the button has wider application scenes; because it exists in the form of modularization, can imbed all kinds of safe scenes fast, the password number also can be seen specific use scene and freely arrange with the password constitution.

Drawings

Fig. 1 is a structural diagram of the present invention.

Fig. 2 is a schematic diagram of a related structure of a base.

Fig. 3 is a schematic view of a stent structure.

Fig. 4 is one of the schematic diagrams of the housing.

Fig. 5 is a second schematic view of the housing.

Fig. 6 is a schematic view of the internal structure of the housing.

Fig. 7 is a schematic diagram of a cipher wheel core structure.

Fig. 8 is a schematic view of the knob structure.

FIG. 9 is a schematic view of a baffle structure.

Fig. 10 is a schematic view of the cipher wheel structure.

Fig. 11 is a schematic view of a code-changing middle wheel structure.

Fig. 12 is a schematic view of a bolt core structure.

Fig. 13 is a schematic view of the external connection switch of the present invention.

Fig. 14 is a schematic diagram of an external switch.

Fig. 15 is a schematic view of the front trigger mechanism.

Fig. 16 is a schematic view of a two-stage detent mechanism.

Detailed Description

The following describes the preferred embodiment of the present invention with reference to fig. 1 to 16, which mainly includes a base 1, a code locking block 2, a code knob 3, a code wheel 4, a middle wheel 5, an elastic positioning tongue 7, a fixed rigid tongue 8, and a fixed elastic tongue 9;

the base 1 comprises a bottom plate 11, a bracket 12 vertically arranged on the bottom plate, and a vertical column 13, a spring column 14 and a middle wheel column 15 which are arranged between the bottom plate 11 and the bracket 12;

the bottom plate 11 comprises a lower upright post hole 111 at the bottom of the fixed upright post, a spring post hole 112 at the bottom of the fixed spring post 14 and a middle wheel post hole 113 at the bottom of the fixed middle wheel post 15;

the bracket 12 comprises a side wall 121 and a top surface 122 arranged perpendicular to the side wall 121, the top surface is correspondingly provided with an upper upright post hole 1221 and a shaft hole 1222, and the fixed rigid tongue 8 and the fixed elastic tongue 9 are arranged on the side wall 121;

the upright column 13 is inserted and fixed between the lower upright column hole 111 and the upper upright column hole 1221, the bottom end of the middle wheel column 15 is inserted and fixed in the middle wheel column hole 113, the other end of the middle wheel column is movably connected with the top surface of the middle wheel 5, and the middle wheel 5 rotates around the middle wheel column 15;

the password locking block 2 comprises a column through hole 21, a shaft through hole 22, a positioning pin hole 23, a spring hole 24, a password wheel mounting cavity 25 and a code changing mechanism 26;

the upright column 13 penetrates through the upright column through hole 21, the top end of the spring column 14 further comprises a spring 141, one end of the spring 141 is sleeved on the spring column 14, the other end of the spring 141 is clamped in the spring hole 24, the password wheel 4 is arranged in the password wheel arranging cavity 25, and the code changing mechanism 26 is arranged at the bottom edge of the password wheel arranging cavity 25 and is at least two bosses uniformly distributed along the circumference;

the password knob 3 further comprises a rotating shaft 31, a baffle 32 and a positioning pin 33, the rotating shaft 31 of the password knob 3 penetrates through the shaft through hole 22, one end of the rotating shaft 31 is fixedly connected with the password knob 3, and the other end of the rotating shaft 31 penetrates through the through hole 321 of the baffle 32 and is fixedly connected with the password wheel 4; the positioning pin 33 is arranged in the positioning pin hole 23, and the end part of the positioning pin 33 also comprises a ball pin head 331 for positioning the password wheel 4; a bearing 311 is arranged between the rotating shaft 31 and the shaft through hole 22;

the password wheel 4 is matched with the middle wheel 5 through keys and grooves, the eccentric mechanism 6 is arranged on the opposite plane of the password wheel 4 and the middle wheel 5, the password wheel 4 is provided with long keys 41 and long grooves 42 which are uniformly distributed at intervals, and the middle wheel 5 is provided with short keys 51 and short grooves 52 which are uniformly distributed at intervals;

the ball pin head 331 at the end of the positioning pin 33 is movably clamped in the long groove 42 and is matched with the end of the long groove 42 to realize the positioning of the password wheel 4;

the code changing mechanism 26 is clamped in the short slot 52 or the long slot 42; the code altering mechanism 26 is less than or equal to the number of short slots 52,

the elastic positioning tongue 7 is arranged on the side wall of the password locking block 2, and the elastic positioning tongue 7 comprises a positioning bolt 71, a positioning tongue seat 72 and a positioning tongue spring 73; the tongue tip of the positioning bolt 71 is provided with a positive inclined plane 711, the positioning bolt 71 slides along the positioning bolt seat 72, the positioning bolt 73 is sleeved on the rod body of the positioning bolt 71, the positioning bolt 73 is arranged in the U-shaped positioning bolt seat 72, and the positioning bolt 71 is reset;

the fixed rigid tongue 8 is arranged on the upper part of the side wall 121 of the bracket 12, and the fixed rigid tongue 8 is a locking mechanism of the elastic positioning tongue 7; the fixed rigid bolt 8 is in a comma shape, and an inclined surface 81 arranged at the bottom of the fixed rigid bolt is contacted with a positive inclined surface 711 of the positioning bolt 71;

the fixed elastic tongue 9 is arranged in the middle of the side wall of the bracket 12, and the fixed elastic tongue 9 is a resetting mechanism of the elastic positioning tongue 7; the fixed elastic tongue 9 comprises a fixed lock tongue 91, a fixed tongue seat 92 and a fixed tongue 93, wherein a reverse inclined surface 911 of the fixed lock tongue 91 is contacted with a forward inclined surface 711 of the positioning lock tongue 71; the tongue point of the fixed lock tongue 91 is provided with a reverse inclined plane 911, the fixed lock tongue 91 slides along the fixed tongue seat 92, the fixed tongue 93 is sleeved on the rod body of the fixed lock tongue 91, and the fixed tongue 93 is arranged in the U-shaped fixed tongue seat 92 and resets the fixed lock tongue 91.

The eccentric mechanism 6 is a geometric figure, and two geometric figures which are respectively arranged on the planes opposite to the password wheel 4 and the middle wheel 5 are completely consistent; the number of the long keys 41 of the password wheel 4 is equal to or less than that of the short grooves 52 of the middle wheel 5, and the long keys 41 are uniformly distributed along the circumference to keep the stress balance; the long keys 41 of the combination wheels 4 are also arranged to be different in length from each other. The geometric figures comprise sectors, triangles, rectangles, trapezoids, circles, quadrangles and polygons.

The number of the short grooves 52 of the middle wheel 5 is set to include two-digit Arabic numerals, or three-digit Arabic numerals, or four-digit Arabic numerals, or English letters, or Greece letters, or Pinyin letters.

The password knob 3 is arranged as a gear driven by a motor, and the motor is controlled by a control circuit to realize the rotating function of the password knob 3; or the random dialing function of the password knob 3.

The password knob 3 moves and displaces when pressed down and is linked with the external switch 100, and the control of a mechanical mechanism on a circuit is realized. The external switch 100 can coexist with the mechanical structure, so that the mechanical structure can control the circuit and the mechanical structure together.

The password locking device further comprises a front trigger mechanism 101, wherein the front trigger mechanism 101 is movably arranged below the password locking block 2 and fills a space between the password locking block 2 and the base 1; the front trigger mechanism 101 moves horizontally.

When the password knob 3 is pressed down, the password knob 3 is limited by the front trigger mechanism 101, and only when the front trigger mechanism 101 moves horizontally and leaves the space between the password locking block 2 and the base 1, the password knob 3 can be pressed down.

The utility model discloses a following unblock step:

step one, rotating the password knob 3 to correct passwords, simultaneously pressing the password knob 3 downwards, when the password locking block 2 moves downwards, the eccentric mechanisms 6 are staggered, the long keys 41 on the password wheel 4 are completely inserted into the short grooves 52 of the middle wheel 5, and normal unlocking is realized; at the moment, the code locking block 2 drives the elastic positioning tongue 7 to move downwards, the inclined surface 81 of the fixed rigid tongue 8 presses the positive inclined surface 711 of the elastic positioning tongue 9 to reach the inclined surface 81 of the fixed rigid tongue 8 and cross the inclined surface 81, the inclined surface 81 fails to press the elastic positioning tongue 7, the positioning lock tongue 71 resets under the action of the positioning spring 72, and the fixed rigid tongue 8 prevents the elastic positioning tongue 7 from resetting upwards;

step two, unlocking, namely, continuously moving the password locking block 2 downwards to drive the elastic positioning tongue 7 to continuously move downwards, and starting to press the positive inclined plane 711 of the elastic positioning tongue 7 by the reverse inclined plane 911 of the fixed elastic tongue 9; with the continuous downward movement, the elastic positioning bolt 7 passes through the highest point of the reverse inclined surface 911, at this time, the reverse inclined surface 911 makes the elastic positioning bolt 7 lose efficacy by pressing, the positioning bolt 71 resets under the action of the positioning spring 72, and the unlocking of the elastic positioning bolt 71 is completed;

and step three, resetting, namely after the elastic positioning tongue 7 crosses the fixed elastic tongue 9, stopping pressing the password knob 3, resetting the password locking block 2 under the action of the base spring 141, simultaneously resetting the fixed elastic bolt 91 upwards under the action of the elastic force of the fixed spring 93, moving the fixed elastic bolt 9 upwards by the elastic positioning tongue 7 under the action of friction force until the fixed elastic bolt 91 contacts the inclined plane 81 of the fixed rigid bolt 8, continuously resetting the elastic positioning bolt 7 upwards, continuously overcoming the friction force by the upward movement force of the elastic positioning bolt 7 until the highest point of the fixed elastic bolt 91 is reached, seamlessly splicing the reverse inclined plane 911 of the fixed elastic bolt 9 with the inclined plane 81 of the fixed rigid bolt 8 at the moment, and finally completely recovering the original shape of the elastic positioning bolt 71 upwards after crossing the inclined plane 81.

The utility model discloses still include following locking method:

the password knob 3 is rotated to an incorrect password, the password knob 3 is pressed downwards at the same time, the password locking block 2 moves downwards and drives the elastic positioning tongue 7 to move downwards, the elastic positioning tongue 71 is reset rightwards under the action of the positioning spring 72 after crossing the inclined plane 81 of the fixed rigid tongue 8, and at the moment, the password wheel 4 and the middle wheel 5 cannot be pressed downwards continuously under the interference action of the eccentric structure 6; the long key 41 of the password wheel 4 is partially inserted into the short groove 52 of the middle wheel 5, the code changing mechanism 26 of the password locking block 2 is still clamped in the short groove 52 of the middle wheel 5, the elastic positioning lock tongue 71 cannot be reset upwards under the limiting action of the inclined surface 81, cannot be pressed downwards continuously and is recovered through the fixed elastic tongue 9, and at the moment, unlocking fails, namely, the password wheel 4 cannot be moved upwards or downwards or rotated and is completely locked.

The utility model discloses still include following code method that changes:

step one, unlocking, namely rotating the password knob 3 to a correct password, simultaneously pressing the password knob 3 downwards, when the password locking block 2 moves downwards, the eccentric mechanisms 6 are staggered, the long keys 41 on the password wheels 4 are completely inserted into the short grooves 52 of the middle wheels 5, and normal unlocking is realized;

and step two, code changing, wherein the code changing mechanism 26 of the code locking block 2 is completely separated from the short key 52 of the middle wheel 5, the middle wheel 5 rotates integrally with the code wheel 4, the code knob 3 is kept pressed downwards and rotates, and the set position of the code is changed, namely the code is changed.

And step three, resetting, namely after the password is changed, the password locking block 2 is restored to the original state under the elastic force action of the base spring 141.

In the code changing process, the action of the elastic positioning tongue 7 is consistent with the normal unlocking, and the description is omitted here.

The fixed rigid tongue 8 further comprises a secondary clamping mechanism 82, and the secondary clamping mechanism 82 is arranged below the inclined plane 81; the secondary detent mechanism 82 is in contact with the fixed resilient tongue 9. When the secondary clamping mechanism 82 is adopted, the unlocking action in the step 2 of the unlocking method comprises two sub-steps: the first substep is as described above, the elastic positioning tongue 7 crosses the highest point of the reverse inclined plane 911, and at this time, the reverse inclined plane 911 disables the compression of the elastic positioning tongue 7, and the second substep is that the elastic positioning tongue 7 crosses the highest point of the secondary position-locking mechanism 82 until the compression of the secondary position-locking mechanism 82 on the elastic positioning tongue 7 disables, and the positioning lock tongue 71 resets under the action of the positioning spring 72, thereby completing the unlocking of the elastic positioning lock tongue 71. Correspondingly, the locking method comprises two-stage locking, and the elastic positioning lock tongue 71 cannot be reset upwards under the limiting action of the inclined plane 81 to form first-stage locking; the elastic positioning lock tongue 71 cannot be reset upwards under the limiting action of the second-stage clamping mechanism 821 to form a second-stage locking.

Claims

1. A password knob device is characterized in that:

mainly comprises a base (1), a password locking block (2), a password knob (3), a password wheel (4), a middle wheel (5), an elastic positioning tongue (7), a fixed rigid tongue (8) and a fixed elastic tongue (9);

the base (1) comprises a bottom plate (11), a bracket (12) vertically arranged on the bottom plate, and an upright post (13), a spring post (14) and a middle wheel post (15) which are arranged between the bottom plate (11) and the bracket (12);

the bottom plate (11) comprises a lower upright post hole (111) for fixing the bottom of an upright post, a spring post hole (112) for fixing the bottom of a spring post (14) and a middle wheel post hole (113) for fixing the bottom of a middle wheel post (15);

the support (12) comprises a side wall (121) and a top surface (122) arranged perpendicular to the side wall (121), the top surface is correspondingly provided with an upper upright post hole (1221) and a shaft hole (1222), and the fixed rigid tongue (8) and the fixed elastic tongue (9) are arranged on the side wall (121);

the upright post (13) is inserted and fixed between the lower upright post hole (111) and the upper upright post hole (1221), the bottom end of the middle wheel post (15) is inserted and fixed in the middle wheel post hole (113), the other end of the middle wheel post is movably connected with the top surface of the middle wheel (5), and the middle wheel (5) rotates around the middle wheel post (15);

the code locking block (2) comprises an upright post through hole (21), a shaft through hole (22), a positioning pin hole (23), a spring hole (24), a code wheel arranging cavity (25) and a code changing mechanism (26);

the column (13) penetrates through the column through hole (21), the top end of the spring column (14) further comprises a spring (141), one end of the spring (141) is sleeved on the spring column (14) in a sleeved mode, the other end of the spring (141) is clamped in the spring hole (24), the code wheel (4) is arranged in the code wheel arranging cavity (25), and the code changing mechanism (26) is arranged on the bottom edge of the code wheel arranging cavity (25) and is at least two bosses uniformly distributed along the circumference;

the password knob (3) further comprises a rotating shaft (31), a baffle plate (32) and a positioning pin (33), the rotating shaft (31) of the password knob (3) penetrates through the shaft through hole (22), one end of the rotating shaft (31) is fixedly connected with the password knob (3), and the other end of the rotating shaft penetrates through a through hole (321) of the baffle plate (32) and is fixedly connected with the password wheel (4); the positioning pin (33) is arranged in the positioning pin hole (23), and the end part of the positioning pin (33) also comprises a ball pin head (331) for positioning the code wheel (4);

the password wheel (4) is matched with the middle wheel (5) through keys and grooves, an eccentric mechanism (6) is arranged on the opposite plane of the password wheel (4) and the middle wheel (5), the password wheel (4) is provided with long keys (41) and long grooves (42) which are uniformly distributed at intervals, and the middle wheel (5) is provided with short keys (51) and short grooves (52) which are uniformly distributed at intervals;

the ball pin head (331) at the end part of the positioning pin (33) is movably clamped in the long groove (42) and is matched with the end part of the long groove (42) to realize the positioning of the password wheel (4);

the code changing mechanism (26) is clamped in the short groove (52); the number of code changing mechanisms (26) is less than or equal to the number of short slots (52),

the elastic positioning tongue (7) is arranged on the side wall of the password locking block (2), and the elastic positioning tongue (7) comprises a positioning bolt (71), a positioning bolt seat (72) and a positioning tongue spring (73); the tongue tip of the positioning lock tongue (71) is provided with a normal inclined plane (711), the positioning lock tongue (71) slides along a positioning tongue seat (72), a positioning tongue spring (73) is sleeved on the rod body of the positioning lock tongue (71), the positioning tongue spring (73) is arranged in the U-shaped positioning tongue seat (72) and resets the positioning lock tongue (71);

the fixed rigid tongue (8) is arranged on the upper part of the side wall (121) of the bracket (12), and the fixed rigid tongue (8) is a locking mechanism of the elastic positioning tongue (7); the fixed rigid bolt (8) is in a comma shape, and an inclined surface (81) arranged at the bottom of the fixed rigid bolt is contacted with a positive inclined surface (711) of the positioning bolt (71);

the fixed elastic tongue (9) is arranged in the middle of the side wall of the bracket (12), and the fixed elastic tongue (9) is a resetting mechanism of the elastic positioning tongue (7); the fixed elastic tongue (9) comprises a fixed lock tongue (91), a fixed tongue seat (92) and a fixed tongue spring (93), and a reverse inclined surface (911) of the fixed lock tongue (91) is contacted with a forward inclined surface (711) of the positioning lock tongue (71); the tongue point of fixed spring bolt (91) sets up anti-inclined plane (911), and fixed spring bolt (91) slide along fixed tongue seat (92), and fixed tongue spring (93) cover is established on the body of rod of fixed spring bolt (91), and fixed tongue spring (93) set up in fixed tongue seat (92) of U-shaped to fixed spring bolt (91) resets.

2. The combination knob device according to claim 1, wherein:

the eccentric mechanism (6) is a geometric figure, and two geometric figures which are respectively arranged on the planes of the password wheel (4) and the middle wheel (5) are completely consistent.

3. The combination knob device according to claim 1, wherein:

the number of the short grooves (52) of the middle wheel (5) comprises two-digit Arabic numerals, or three-digit Arabic numerals, or four-digit Arabic numerals, or English letters, or Greek letters, or phonetic letters.

4. The combination knob device according to claim 1, wherein:

the number of the long keys (41) of the password wheel (4) is equal to or less than that of the short grooves (52) of the middle wheel (5), and the long keys (41) are uniformly distributed along the circumference to keep the stress balance; the long keys (41) of the cipher wheels (4) are also arranged to be different in length from each other.

5. The combination knob device according to claim 1, wherein:

the password knob (3) is arranged as a gear driven by a motor, and the motor is controlled by a control circuit to realize the rotating function of the password knob (3); or the password knob (3) is randomly dialed.

6. The combination knob device according to claim 1, wherein: and a bearing (311) is arranged between the rotating shaft (31) and the shaft through hole (22).

7. The combination knob device according to claim 1, wherein: the password control device is characterized by further comprising an external switch (100), wherein the password knob (3) moves and displaces when being pressed down and is linked with the external switch (100), and the control of a mechanical mechanism on a circuit is realized.

8. The combination knob device according to claim 1, wherein: the password lock is characterized by further comprising a front trigger mechanism (101), wherein the front trigger mechanism (101) is movably arranged below the password lock block (2) and fills a space between the password lock block (2) and the base (1); the front trigger mechanism (101) moves horizontally.

9. The combination knob device according to claim 1, wherein: the fixed rigid tongue (8) further comprises a secondary clamping mechanism (82), and the secondary clamping mechanism (82) is arranged below the inclined plane (81); the secondary clamping mechanism (82) is contacted with the fixed elastic tongue (9).