WO2014107823A1

WO2014107823A1 - Mechanical password lock

Info

Publication number: WO2014107823A1
Application number: PCT/CN2013/000854
Authority: WO
Inventors: 罗志军
Original assignee: Luo Zhijun
Priority date: 2013-01-12
Filing date: 2013-07-17
Publication date: 2014-07-17
Also published as: CN103046817B; CN103046817A

Abstract

Disclosed is a mechanical password lock, comprising a lock body and a key (1). The lock body comprises a lock housing (24) and a lock cover (25). A latching tongue (13) and a lock barrel connected by means of a transmission link (11) are arranged in the lock housing (24), and an elastic component (12) enabling the transmission link to be in close contact with the lock barrel is arranged on the transmission link (11). The lock barrel comprises a start wheel (6) with a start opening (62) and at least two groups of password assemblies (3). A spacer (5) with a stop opening (53) is arranged between two adjacent password assemblies (3), and stop bulges (52) mated with lock housing stop grooves (24, 26) are arranged on the spacer (5). Each password assembly (3) comprises an adjustment plate (31) and a gear plate (32). The centre and the edge of the adjustment plate (31) are respectively provided with a fixing hole (317) and a stop opening (312), a fixing tooth (316) mated with the gear plate (32) is arranged in the fixing hole (317), and a stop part (323) is arranged in a centre hole (322) of the gear plate (32). The key (1) is provided with guide grooves (18) mated with stop parts (323, 23, 63), and bayonets (19) mated with the password assemblies (3) are arranged in the guide grooves (18). The mechanical password lock can be unlocked by turning the key by only one hand.

Description

Mechanical code lock technology field

The invention relates to the field of locks, in particular to a mechanical code lock for a safe or a safe. Background technique

Since the combination lock has a good function of preventing non-destructive illegal opening, it is usually used for important areas or equipment such as safes, safes, etc. for confidentiality or security.

The existing mechanical code lock uses a starting wheel to drive the gear wheel to rotate. When the connecting rod cooperates with the adjusting plate, and then rotates the starting wheel, the connecting tongue drives the locking tongue to expand and contract. When the user uses it, it is necessary to accurately rotate the dial to rotate at a specific position, which is inconvenient for the user to increase the difficulty of opening. Summary of the invention

The technical problem to be solved by the present invention is to provide a mechanical code lock which can combine the convenience of an ordinary lock and the safety of a mechanical code lock.

In order to solve the above problems, the present invention provides a mechanical code lock, comprising: a lock body and a key, the lock body comprising a lock case and a lock cover, a lock tongue in the lock case and a connection through a transmission link a lock cylinder, the transmission link is provided with an elastic member that is in close contact with the lock cylinder, the lock cylinder includes a starter wheel with a starting opening and at least two sets of cryptographic components, between the two adjacent cryptographic components a spacer of the limit opening, the spacer is provided with a limit A matched with the lock slot of the lock housing, the password component comprises an adjustment disc and a gear disc, and the center and the edge of the adjustment disc are respectively set with the same hole and the limit An opening, the fixing hole is fixedly coupled with the gear plate, and a limiting portion is disposed in the core hole of the gear plate; the key is provided with a guiding groove matched with the limiting portion, and the cryptographic component is disposed on the guiding groove Fit the bayonet.

Further, a spring piece is disposed between the cipher assembly and the starting wheel, and the elastic piece is provided with a 1-position protrusion; and the starting wheel is further provided with a lock core ring with a limiting protrusion and an opening, The lock core snap ring cooperates with the lock housing fixing groove, and the limit protrusion on the lock core snap ring is located in the lock case limit groove, and the opening and the transmission confirm the present The shift lever on the connecting rod cooperates.

Further, the cryptographic component further includes a gear disc snap ring that is engaged with the card slot at one end of the sprocket wheel and has a stepped structure at the other end of the gear disc.

Further, the key is further provided with an arc limiting slot connecting the guiding slot, and the arc limiting slot cooperates with the limiting portion on the locking cover.

Further, the key is provided with a blind hole in its axial direction, the blind hole being engaged with a guide post fixed to the starter wheel or the lock cover.

Further, a latching ball is disposed on the locking tongue, and a locking spring is disposed at a corresponding position of the locking ball; and a locking structure fixed to the locking shell is disposed on a side of the locking tongue, the locking The stop structure includes a screw fixed to the lock case, and the screw is sleeved with a spring and a limiting piece that cooperates with a bayonet on the lock tongue, and the limit piece holds the spring in a compressed state when the lock cover is engaged.

Further, the corresponding positions of the lock case, the starting wheel, the spacer, the adjusting plate and the elastic piece are respectively provided with adjusting holes for adjusting the password, wherein the adjusting holes on the starting wheel are arc-shaped through holes.

Further, the fixing hole is formed by one or two tab portions, and the fixing teeth are located at the front ends of the two tabs. When the tabs are one, between the adjusting disc body and the tabs ^密W adjusts the gap; when the tabs are two, the password adjustment gap is located between the two tabs.

Further, the upper and lower sides of the spacer between the two cipher components are respectively provided with annular recesses, and the annular recesses cooperate with the gear plate.

Further, the starting opening has a trapezoidal shape. The mechanical code lock of the invention comprises a lock case and a lock cover, wherein a lock tongue and a lock core connected by a transmission link are arranged in the lock case, and the transmission link is provided with an elastic component which is in close contact with the lock core The lock cylinder includes a starter wheel with a starting opening and at least two sets of cryptographic components. A spacer with a limit opening is disposed between the adjacent two cryptographic components, and the spacer is provided with a lockable slot. a limiting protrusion, the cryptographic component comprises an adjusting disc and a gear disc, wherein the center and the edge of the adjusting disc are respectively provided with a fixing hole and a limiting opening, the fixing hole is provided with a fixed tooth matched with the gear disc, at the center of the gear disc A limiting portion is disposed in the hole; the key is provided with a guiding slot that cooperates with the limiting portion, and a bayonet corresponding to the cryptographic component is disposed on the guiding slot.

In use, the key is input into the lock cylinder to turn the key, and the bayonet on the key is matched with the limit portion. Drive the PIN component to rotate. When each cipher component and the limit opening on the spacer are on the same line, the transmission link enters the limit opening and the starting boring on the starter wheel under the action of the elastic component. The lock cylinder drives the transmission link to move, and the movement in the lock tongue connected to the transmission link realizes the opening. Compared with the prior art, the person can realize the operation by turning the key with one hand when opening, and at the same time has the safety of the mechanical code lock. DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings to be used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the description are Some of the embodiments of the invention may be obtained by those of ordinary skill in the art from the drawings without departing from the scope of the invention.

1 is a schematic exploded view of the structure of the mechanical code lock embodiment of the present invention;

Figure 2 is an enlarged schematic view of the structure of part A in Figure 1;

Figure 3 is a schematic view showing the assembly of the mechanical code lock embodiment of the present invention;

Figure 4 is a schematic structural view of a key embodiment of the present invention;

5 is a schematic structural diagram of an embodiment of a cryptographic component of the present invention;

6 is a schematic exploded view of the structure of the cryptographic component embodiment of the present invention;

Figure 7 is a cross-sectional view of the structure of Figure 6 along the B-B direction;

Figure 8 is a schematic structural view of an embodiment of a spacer of the present invention;

Figure 9 is a schematic view showing the structure of the embodiment of the starting wheel of the present invention.

Description of the main components of the drawing

Key 1; cryptographic component 3; compression spring 4; spacer 5; starting wheel 6;

Shrapnel 7; snap ring 8; guide post 9; drive link 11; torsion spring 12; lock tongue 13; card spring 14; card ball 15; screw 16; limit piece 17; guide groove 18;

Bayonet 19; arcuate limiting slot 20; blind hole 21; through hole 22; limiting portion 23; lock housing 24; lock cover 25; lock housing limiting slot 26; adjusting hole 27; adjusting disk 31; Gear disc snap ring 33; limit port 312; tab 313; adjusting hole 314; adjusting hole 315; fixing tooth 316; fixing hole 317; gear 321; center hole 322; limiting portion 323; card slot 324; Structure 325; adjusting hole 51; limiting protrusion 52; Limiting opening 53; annular recess 54; adjusting hole 61; starting port 62; limiting portion 63; shifting lever 111; protruding structure 112; limiting protrusion 71; adjusting hole 72; limiting protrusion 81; The embodiments, functions, and advantages of the objects of the present invention are further described with reference to the accompanying drawings. Detailed ways

The invention adopts an upper detaching ring and a detaching ring respectively on the separator and the turbine disperser, and uses the material to form an upper and lower circulation flow in the cylinder body and a circulation around the cylinder body, and the two circulations act to make the large diameter material. Quickly enter the circulating grinding to improve the grinding efficiency; at the same time, the material in the middle of the cylinder is more and more distributed in the outer diameter of the mountain. The smaller diameter is distributed around the separator, and the diameter is smaller than the distance of the person, so that it is easy to be smaller. The material is separated to avoid clogging of the discharge.

As shown in Figures 1, 2 and 3, the present invention provides a mechanical code lock embodiment.

The mechanical code lock includes: a lock body and a key 2, the lock body includes a lock case 24 and a lock cover 25, and a lock tongue 13 and a lock core connected through the transmission link 11 are disposed in the lock case 24, the drive link The elastic member 12 is provided on the 11 so as to be in close contact with the lock cylinder. The lock cylinder includes a starter wheel 6 with a starter opening 62 and at least two sets of cryptographic components 3. A spacer 5 having a limit port 53 is provided between adjacent two cryptographic components 3, and the spacer 5 is provided thereon. The limiting protrusion 52 is matched with the locking case limiting groove 26 and the locking case limiting groove 24. The cryptographic component 3 includes an adjusting plate 31 and a gear plate 32. The adjusting plate 31 is provided with fixing holes 317 at the center and the edge, respectively. And a limiting hole 312, the fixing hole 317 is provided with a fixing tooth 316 that cooperates with the gear plate 32, and a limiting portion 323 is disposed in the central hole 322 of the gear plate 32; the key 1 is disposed on the limiting portion 323, The guide groove 18 that the limiting portion 23 and the limiting portion 63 cooperate with is provided with a bayonet 19 that engages with the cryptographic component 3 on the guiding groove 18.

Specifically, the spacer 5 can separate two adjacent cryptographic components 3 to prevent the adjacent cryptographic component 3 from being affected when the cryptographic component is rotated. The elastic member 12 enables the transmission link 11 to be in close contact with the adjustment disk 31, and the elastic member 12 includes a torsion spring or a spring piece. A spring piece 7 is disposed between the code member 3 and the starter wheel 6, and the elastic piece 7 is provided with a limiting protrusion 71 that cooperates with the lock case limiting groove 26. The upper and lower sides of the spacer 5 located between the two cipher assemblies 3 are respectively provided with annular recesses 54. The annular recesses 54 cooperate with the gear plate 32 to enable the cipher assembly 3 to have the same axis after assembly. The elastic piece 7 fixedly coupled with the lock case 24 can better fix the plurality of sets of the cryptographic components, thereby preventing the cipher components from being separated from each other and affecting the rotation.

A lock cylinder ring 8 with a limiting protrusion 81 and an opening (not shown in the drawing) is further disposed on the starting wheel 6, and the limiting protrusion 81 on the locking core ring 8 is located in the locking case limiting slot. In the 26, the opening cooperates with the shift lever 111 on the transmission link 11.

In order to better fix the gear plate 32 and the adjustment plate 31, the code assembly 3 further includes a gear plate snap ring 33, and the gear plate snap ring 33 is engaged with the card slot 324 provided at the end of the gear plate 32. At the other end of the gear plate 32, a step structure 321 is provided. Under the interaction of the step structure 321 and the gear plate snap ring 33, the adjusting plate 31 can be fixed on the gear plate 32 to avoid detachment.

The fixing hole 317 is partially enclosed by one or two tabs 313. The fixing teeth 316 are located at the front ends of the two tabs 313. When the tabs 313 are one, between the adjusting disc 31 and the tabs 313 The password adjustment gap is provided, that is, the password adjustment hole 314; when the tab 313 is two, the password adjustment hole 314 is located between the two tabs 313.

The latching ball 13 is provided with a latching ball 15 , and the latching shell 24 corresponding to the latching ball 15 is provided with a latching spring 14; on the side of the latching tongue 13 , a locking lock is fixed to the latching shell 24 . The locking structure includes a screw 16 fixed to the lock housing 24, and the screw 16 is sleeved with a spring 4 and a limiting piece 17 engaged with the bayonet 131 on the locking tongue 13, the limiting piece 17 is in the locking cover 1 cooperates to keep the spring 4 in a compressed state, the protrusion structure 112 on the transmission link 11 cooperates with the limiting piece 17, and the limiting piece 17 leaves the port 131 when the door is opened. When closed, the limiting piece 17 is located at the Leica U 131.

In use, the key 1 is rotated from the through hole 22 located on the lock case 24, and the cipher assembly 3 and the starter wheel 6 are rotated by the guide groove 18 on the key 1, when the cryptographic component 3 and the key 1 are When the bayonet 19 moves a certain angle, the limiting opening 312 on the adjusting plate 31 is located on the same line as the limiting opening 51 on the spacer 5, the limiting opening 71 on the elastic piece 7, and the starting opening 62 on the starting wheel 6. When the shift lever 111 on the transmission link 11 enters the limit opening under the action of the torsion spring, when it rotates, the movement of the transmission link 1 is driven by the limit opening, and the lock tongue 13 is received| When the reverse rotation is performed, the bolt 13 can be pushed out to achieve the clearance. Compared with the prior art, the person can realize the operation by turning the key with one hand, and at the same time has the safety of the mechanical code lock.

When it is necessary to change the angle at which the key 1 is rotated, the special fixing tool 316 is engaged with the dense W adjustment gap 314 on the adjustment disk 31 so that the two fixed teeth 316 are disengaged from the gear plate 32 and then rotated by the key 1. The special tool is removed, and the fixed tooth 316 is re-fixed with the teeth on the gear plate 32 to obtain a new rotation angle; since the angle between the limit opening 312 on the adjustment plate 31 is changed, The angle of rotation is also different, further high security.

In the embodiment, the locking shell 24 is provided with a through hole 22, and a limiting portion 23 is disposed in the through hole 22, and the limiting portion 23 cooperates with the arc limiting slot 20 provided on the key 1. Limit the angle of rotation for the user to start. At the time of assembly, the spacers 5, the lock case 24, and the adjustment '^' hole 51, the through hole 22, and the adjustment hole 72 on the elastic piece 7 are fixed in position and on the same straight line. The starting opening U 62 has a trapezoidal shape. When the opening or closing state is better, the shift lever 111 on the transmission link 11 is pushed out from the limit port. The key is provided with a blind hole 21 along its axial direction, and the blind hole 21 cooperates with the guide post 9 fixed to the starter wheel 6 or the lock cover 25 I: to prevent a large amount of movement when the key 1 is opened, and the influence is affected. The cooperation between the key 1 and the secret part.

In the above embodiment, the number of the cipher components 3 can be set to one, two, three or more as needed, and the number of the bayonet 19 on the key 1 is the same as the number of cryptographic components, that is, the number of KU 19 and The number of the adjustment disks 31 is the same. The more teeth of the gear plate 32, the larger the password amount of the code lock.

For example, when the number of the cryptographic components is four, there are 100 keys on the gear plate 3, and the password amount is 100x100x100x100; when the number of the gear disks 3 is three, the password amount is 100x100x100, when the gear plate 3 For two, the amount of password is 100x100. The above embodiments are only used to explain the technical solutions of the present invention, and are not intended to limit the scope of the present invention; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand The technical solutions described in the foregoing embodiments may be modified, or some of the technical features may be equivalently replaced, and the modifications or substitutions do not deviate from the embodiments of the present invention. Within the scope of protection of the technical solution.

Claims

Claim

1 . A mechanical code lock comprising a lock body and a key, the lock body comprising a lock case and a lock cover, wherein a lock tongue and a lock core connected by a transmission link are arranged in the lock case, and the drive link is provided with An elastic member in close contact with the lock cylinder, characterized by:

The lock cylinder includes a starter wheel with a starter opening and at least two sets of cryptographic components. A spacer with a limit opening is disposed between the adjacent two cryptographic components, and the spacer is provided with a lockable slot of the lock housing. a limiting protrusion, the cryptographic component comprises an adjusting disc and a gear disc, wherein the adjusting disc has a fixing hole and a limiting opening respectively at a center and an edge, the fixing hole is provided with a fixing tooth matched with the gear disc, and a core hole of the gear disc A limiting portion is disposed therein; the key is provided with a guiding slot that cooperates with the limiting portion, and a bayonet corresponding to the cryptographic component is disposed on the guiding slot.

2. The mechanical combination lock of claim 1 wherein:

An elastic piece is disposed between the cipher assembly and the starting wheel, and the elastic piece is provided with a limiting protrusion: a locking core ring with a limiting protrusion and an opening is further disposed on the starting wheel, and the locking core (^ ring) Cooperating with the lock fixing groove, the limiting protrusion on the lock core ring is located in the locking case limiting groove, and the opening is matched with the gear on the transmission link.

3. The mechanical combination lock according to claim 1 or 2, characterized in that:

The cryptographic component further includes a gear disc retaining ring, the gear disc snap ring being engaged with the card slot provided at one end of the gear disc, and a stepped structure at the other end of the gear disc.

4. The mechanical combination lock according to claim 1 or 2, characterized in that:

The key is further provided with an arc limiting slot connecting the guiding slot, and the arc limiting slot cooperates with the limiting portion of the lock I·.

5. The mechanical combination lock of claim 4, wherein:

The key is provided with a blind hole along its axial direction, and the blind hole is fixed to the column of the starting wheel or the lock Cooperate

6. The mechanical combination lock of claim 1 wherein:

a latching ball is disposed on the latching tongue, and a latching spring is disposed on the latching shell at a corresponding position of the latching ball; and a latching structure fixed to the latching shell is disposed on a side of the latching tongue, the latching structure includes a screw fixed to the lock case, the screw sleeve is provided with a spring and a limiting piece matched with the - fi-U of the lock tongue, and the limit piece is locked in the lock state; the spring is kept in a compressed state.

7. The mechanical code lock according to claim 2, wherein:

The corresponding positions of the lock case, the starting wheel, the spacer, the adjusting plate and the elastic piece respectively have adjusting holes for adjusting the password, wherein the adjusting hole on the starting wheel is an arc opening hole.

8. The mechanical combination lock of claim 1 wherein:

The fixing hole is enclosed by one or two tab portions, and the fixing teeth are located at the front ends of the two tabs. When the tabs are one, a password adjustment gap is provided between the adjusting disc body and the tabs; When the μ· tongue is two, the password adjustment gap is located between the two tabs.

9. The mechanical combination lock of claim 1 wherein:

The upper and lower sides of the spacer between the two cipher components are respectively provided with annular recesses, and the annular 1 sag cooperates with the gear plate.

10. The mechanical combination lock of claim 1 wherein:

The starting jaw has a trapezoidal shape.