CN102864981B - Mechanical combination lock with clutch - Google Patents
Mechanical combination lock with clutch Download PDFInfo
- Publication number
- CN102864981B CN102864981B CN201210359984.3A CN201210359984A CN102864981B CN 102864981 B CN102864981 B CN 102864981B CN 201210359984 A CN201210359984 A CN 201210359984A CN 102864981 B CN102864981 B CN 102864981B
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- Prior art keywords
- shaft
- driving
- password
- clutch
- driving wheel
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Abstract
A mechanical combination lock comprises a code shaft, a drive wheel, a plurality of driven wheels, a code shaft fixing disc, a hollow driven-wheel shaft and a bolt. Code discs are fixed on the code shaft. The driven-wheel shafts are fixed on the inner side of the bottom wall of an 'n'-shaped box. The left end of a drive shaft is provide with an outer protruding edge which is exposed from the bottom wall of the 'n'-shaped box. The right end of the drive shaft is provided with an external thread. The drive wheel is fixed at the right end of the drive shaft through a large nut. A drive gear is fixed on the right side of the drive wheel. A clutch bar is arranged in a stepped hole of the code shaft. A 'T'-shaped slide plate with a lateral shaft is fixed to the right end of the clutch bar through a nut set. A slide way matching with the 'T'-shaped slide plate is arranged at the top of the box. An 'L'-shaped bolt plate is arranged in the box through a hinge. A clutch slider is arranged on the 'L'-shaped bolt plate. The 'T'-shaped slide plate is provided with a clutch slide way. A driven gear matching with the drive gear is sleeved on the lateral shaft. The drive gear is provided with a gear notch, and a chord of the gear notch is close to the lower surface of the 'T'-shaped slide plate.
Description
Technical field
The present invention relates to a kind of coded lock, especially a kind of mechanical code lock with clutch that is applicable to the confidential places such as cashbox door, safety cabinet, ATM automatic teller machine.
Background technology
The mechanical code lock of currently available technology, feels while rotating due to cipher wheel, so be easy to be cracked by so-called technology unlocking personnel by professional's decryption.Therefore, designing a kind of mechanical code lock with clutch that can greatly reduce technology unlocking possibility, is the current technical issues that need to address.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of cheap mechanical code lock with clutch that can greatly reduce technology unlocking possibility.
The technical scheme that the present invention solves its technical problem is:
Mechanical code lock with clutch, comprise coded shaft, driving wheel, some driven pulleys, coded shaft fixed disk, hollow follower shaft and dead bolt, on coded shaft, be fixed with password letter disk, driven pulley is sleeved on hollow follower shaft, also comprise " ［ " shape casing, hollow follower shaft is fixed on the " inner side of ［ " shape casing diapire, " on the diapire of ［ " shape casing, there is the axis hole identical with the hollow diameter of hollow follower shaft, in axis hole, being provided with inner hole section is polygonal hollow driving shaft, the left end of driving shaft is with outward flange, outward flange " ［ " shape casing diapire outside, the right-hand member of driving shaft is with external screw thread, described driving wheel is fixed on the right-hand member of driving shaft by big nut, between driving wheel and driven pulley and between each driven pulley, be provided with spacer ring, right side at driving wheel is fixed with the driving gear with terminal pad by least 3 sunk screws, wherein a sunk screw stretches out driven pulley, be used for stirring driven pulley, the diameter of driving gear is less than the diameter of driving wheel, it is polygon section that the right-hand member of described coded shaft has a cross section of mating with the endoporus of driving shaft, coded shaft fixed disk is fixed on door-plate, described coded shaft enters in the hole of driving shaft through coded shaft fixed disk and door-plate, between coded shaft and coded shaft fixed disk, be provided with jump ring, coded shaft is hollow shaft, the hollow of coded shaft is shoulder hole left large and right small, in the shoulder hole of coded shaft, be provided with trip(ping) lever, the right-hand member of trip(ping) lever has external screw thread, at trip(ping) lever right-hand member, by nut group, be fixed with the "T"-shaped slide plate with gudgeon, " slideway coordinating with "T"-shaped slide plate is arranged at the top of ［ " shape casing, " in ［ " shape casing, by hinge, be provided with " ┑ " shape bolt plate, in " ┑ " shape bolt plate, be provided with clutch slider, dead bolt is located at the top of " ┑ " shape bolt plate, the lower surface of described " ┑ " shape bolt plate is stairstepping, the higher position of cascaded surface is axially corresponding corresponding with driving wheel, on "T"-shaped slide plate, be provided with clutch slideway, on gudgeon, be set with the driven gear mating with driving gear, driven gear lacks for taking turns, take turns scarce string near the soffit of "T"-shaped slide plate, when trip(ping) lever is in right when position, driven gear is separated with driving gear, clutch slideway contacts with clutch slider, " ┑ " shape bolt plate is lifted, " ┑ " shape bolt plate does not contact with driving wheel with driven pulley, coded shaft can rotate, when trip(ping) lever is in left when position, driven gear and driving gear engagement, clutch slideway is separated with clutch slider, coded shaft can not rotate, the state of clutch in closing, driving wheel can slightly turn one to two tooth, " ┑ " shape bolt plate is placed on driven pulley and with driving wheel and does not contact, so at this moment do not feel yet.
When clutch can be avoided rotational password axle, by the position of " ┑ " shape bolt plate sensation password groove, that with technology for eliminating, unblanks may; Change the orientation of coded shaft in the polygon hole of driving shaft, can Change Password, the position that changes a sunk screw that stretches out driven pulley equally can Change Password.
As a modification of the present invention, driving wheel is provided with 3 password grooves, interval between 3 password grooves is random, on the terminal pad of driving gear, also there are 3 password grooves, angle between 3 password grooves on the terminal pad of driving gear, should guarantee 120 ° of the every rotations of driving gear, must there is a password groove on terminal pad to aim at one of 3 password grooves on driving wheel, the corresponding relation of the password groove on the terminal pad of change driving gear and the password groove of driving wheel, can Change Password, change the position of the sunk screw that stretches out driving wheel, also variable password.
As a modification of the present invention, the projection on driven pulley is head of screw, has a plurality of screw holes on driven pulley, and screw forms different passwords in different screw holes.
As a modification of the present invention, on gudgeon, be set with Compress Spring, Compress Spring is located between driven gear and "T"-shaped slide plate.
As a modification of the present invention, the quantity of driven pulley is 3.
As a modification of the present invention, take turns scarce string and have a bit of distance from the soffit of "T"-shaped slide plate, this a bit of distance guarantees when driving gear and driven gear engagement, and the activity that coded shaft has low-angle (2-30 °) can stop in any angle of 360 degree password letter disk.
As a modification of the present invention, in " ┑ " shape bolt plate and " be provided with extension spring between the lower wall of ［ " shape casing.
Of the present invention unblank process and conventional combination lock similar, first by the some circles of coded shaft forward to first password, then coded shaft is reversed to some circles to second password, again by the some circles of coded shaft forward to the 3rd password, some circles that finally coded shaft reversed can be unblanked to the 4th password.
Compared with prior art, same not sensation when the present invention rotates driven pulley, but simple in structure, easy to manufacture, cost is low, is convenient to promote.
Accompanying drawing explanation
Fig. 1 is the rear elevation (opening) of structural representation of the present invention;
Fig. 2 is that the A-A of Fig. 1 is to sectional view;
Fig. 3 is that the B-B of Fig. 1 is to sectional view;
Fig. 4 is the rear elevation (locking states) of structural representation of the present invention;
Fig. 5 is that the A-A of Fig. 4 is to sectional view;
Fig. 6 is that the B-B of Fig. 4 is to sectional view;
Fig. 7 be in Fig. 2 C-C to sectional drawing;
Fig. 8 is the front view of part 17 in Fig. 1;
Fig. 9 is that the C of Fig. 8 is to partial view.
The specific embodiment
Mechanical code lock with clutch, comprise coded shaft 7, driving wheel 4, some driven pulleys 2, coded shaft fixed disk 19, hollow follower shaft 3 and dead bolt 16, on coded shaft 7, be fixed with password letter disk 20, driven pulley 2 is sleeved on hollow follower shaft 3, also comprise " ［ " shape casing 25, hollow follower shaft 3 is fixed on the " inner side of ［ " shape casing 25 diapires, " on the diapire of ［ " shape casing 25, there is the axis hole identical with the hollow diameter of hollow follower shaft 3, in axis hole, being provided with inner hole section is polygonal hollow driving shaft 23, the left end of driving shaft 23 is with outward flange, outward flange " ［ " shape casing 25 diapires outside, the right-hand member of driving shaft 23 is with external screw thread, described driving wheel 4 is fixed on the right-hand member of driving shaft 23 by big nut 9, between driving wheel 4 and driven pulley 2 and between each driven pulley, be provided with spacer ring 1, right side at driving wheel 4 is fixed with the driving gear 6 with terminal pad by least 3 sunk screws 5, wherein a sunk screw stretches out driven pulley, be used for stirring driven pulley, the diameter of driving gear 6 is less than the diameter of driving wheel 4, it is polygon section that the right-hand member of described coded shaft 7 has a cross section of mating with the endoporus of driving shaft 23, coded shaft fixed disk 19 is fixed on door-plate 18, described coded shaft 7 enters in the hole of driving shaft 23 through coded shaft fixed disk 19 and door-plate 18, between coded shaft 7 and coded shaft fixed disk 19, be provided with jump ring 22, coded shaft 7 is hollow shaft, the hollow of coded shaft 7 is shoulder hole left large and right small, in the shoulder hole of coded shaft 7, be provided with trip(ping) lever 21, the right-hand member of trip(ping) lever 21 has external screw thread, at trip(ping) lever 21 right-hand members, by nut group 8, be fixed with the "T"-shaped slide plate 10 with gudgeon 12, " slideway 13 coordinating with "T"-shaped slide plate 10 is arranged at the top of ［ " shape casing 25, " in ［ " shape casing 25, by hinge 26, be provided with " ┑ " shape bolt plate 17, in " ┑ " shape bolt plate 17, be provided with clutch slider 29, dead bolt 16 is located at the top of " ┑ " shape bolt plate 17, the lower surface of described " ┑ " shape bolt plate 17 is stairstepping, the higher position of cascaded surface is axially corresponding corresponding with driving wheel 4, on "T"-shaped slide plate 10, be provided with clutch slideway 28, on gudgeon 12, be set with the driven gear 11 mating with driving gear 6, driven gear 11 lacks for taking turns, take turns scarce string near the soffit of "T"-shaped slide plate 10, when trip(ping) lever 21 is in right when position, driven gear 11 is separated with driving gear 6, clutch slideway 28 contacts with clutch slider 29, " ┑ " shape bolt plate 17 is lifted, " ┑ " shape bolt plate 17 does not contact with driving wheel 4 with driven pulley 2, coded shaft 7 can rotate, when trip(ping) lever 21 is in left when position, driven gear 11 and driving gear 6 engagements, clutch slideway 28 is separated with clutch slider 29, coded shaft 4 can not rotate.
Driving wheel 4 is provided with 3 password grooves, interval between 3 password grooves is random, on the terminal pad of driving gear, also there are 3 password grooves, angle between 3 password grooves on the terminal pad of driving gear 6, should guarantee 120 ° of the every rotations of driving gear, must there is a password groove on terminal pad to aim at one of 3 password grooves on driving wheel 4, the corresponding relation of the password groove on the terminal pad of change driving gear 6 and the password groove of driving wheel 4, can Change Password, change the position of the sunk screw that stretches out driving wheel, also variable password.
Projection on driven pulley 2 is head of screw, has a plurality of screw holes on driven pulley 2, and screw forms different passwords in different screw holes.
On gudgeon 12, be set with Compress Spring 15, Compress Spring 15 is located between driven gear 11 and "T"-shaped slide plate 10.
The quantity of driven pulley 2 is 3.
Taking turns scarce string has a bit of distance from the soffit of "T"-shaped slide plate 10, and this bit of distance guarantees that at driving gear 6 coded shaft 7 has low-angle activity, and password letter disk can be stopped in any angle of 360 degree during with driven gear 11 engagement.
In " ┑ " shape bolt plate 17 and " be provided with extension spring 27 between the lower wall of ［ " shape casing 25.
Claims (7)
1. with the mechanical code lock of clutch, comprise coded shaft (7), driving wheel (4), some driven pulleys (2), coded shaft fixed disk (19), hollow follower shaft (3) and dead bolt (16), on coded shaft (7), be fixed with password letter disk (20), driven pulley (2) is sleeved on hollow follower shaft (3), it is characterized in that, also comprise " ［ " shape casing (25), hollow follower shaft (3) is fixed on " inner side of ［ " shape casing (25) diapire, " on the diapire of ［ " shape casing (25), there is the axis hole identical with the hollow diameter of hollow follower shaft (3), in axis hole, being provided with inner hole section is polygonal hollow driving shaft (23), the left end of driving shaft (23) is with outward flange, outward flange is in " the outside of ［ " shape casing (25) diapire, the right-hand member of driving shaft (23) is with external screw thread, described driving wheel (4) is fixed on the right-hand member of driving shaft (23) by big nut (9), between driving wheel (4) and driven pulley (2) and be provided with spacer ring (1) between each driven pulley, 3 sunk screws (5) on the right side of driving wheel (4) by 120 ° of distributions are each other fixed with the driving gear (6) with terminal pad, wherein a sunk screw stretches out driving wheel, be used for stirring driven pulley, the diameter of driving gear (6) is less than the diameter of driving wheel (4), the right-hand member of described coded shaft (7) has a cross section of mating with the endoporus of driving shaft (23), described cross section is polygon section, coded shaft fixed disk (19) is fixed on door-plate (18), described coded shaft (7) enters in the hole of driving shaft (23) through coded shaft fixed disk (19) and door-plate (18), between coded shaft (7) and coded shaft fixed disk (19), be provided with jump ring (22), coded shaft (7) is hollow shaft, the hollow of coded shaft (7) is shoulder hole left large and right small, in the shoulder hole of coded shaft (7), be provided with trip(ping) lever (21), the right-hand member of trip(ping) lever (21) has external screw thread, at trip(ping) lever (21) right-hand member, by nut group (8), be fixed with the "T"-shaped slide plate (10) of band gudgeon (12), " slideway (13) coordinating with "T"-shaped slide plate (10) is arranged at the top of ［ " shape casing (25), " in ［ " shape casing (25), by hinge (26), be provided with " ┑ " shape bolt plate (17), in " ┑ " shape bolt plate (17), be provided with clutch slider (29), dead bolt (16) is located at the top of " ┑ " shape bolt plate (17), the lower surface of " ┑ " shape bolt plate (17) is stairstepping, the higher position of cascaded surface is axially corresponding to driving wheel (4), on "T"-shaped slide plate (10), be provided with clutch slideway (28), on gudgeon (12), be set with the driven gear (11) mating with driving gear (6), driven gear (11) lacks for taking turns, take turns scarce string near the soffit of "T"-shaped slide plate (10), when trip(ping) lever (21) is in right when position, driven gear (11) is separated with driving gear (6), clutch slideway (28) contacts with clutch slider (29), " ┑ " shape bolt plate (17) is lifted, " ┑ " shape bolt plate (17) does not contact with driving wheel (4) with driven pulley (2), coded shaft (7) can rotate, when trip(ping) lever (21) is in left when position, driven gear (11) and driving gear (6) engagement, clutch slideway (28) is separated with clutch slider (29), driving wheel (4) can not rotate.
2. the mechanical code lock with clutch according to claim 1, it is characterized in that, driving wheel (4) is provided with 3 password grooves, interval between 3 password grooves is random, on the terminal pad of driving gear, also there are 3 password grooves, angle between 3 password grooves on the terminal pad of driving gear (6), should guarantee 120 ° of the every rotations of driving gear, must there is a password groove on terminal pad to aim at one of 3 password grooves on driving wheel (4), the corresponding relation of the password groove on the terminal pad of change driving gear (6) and the password groove of driving wheel (4), can Change Password, change the position of the sunk screw that stretches out driving wheel, also variable password.
3. the mechanical code lock with clutch according to claim 1, is characterized in that, the projection on driven pulley (2) is head of screw, on driven pulley (2), has a plurality of screw holes, and screw forms different passwords in different screw holes.
4. the mechanical code lock with clutch according to claim 1, is characterized in that, is set with Compress Spring (15) on gudgeon (12), and Compress Spring (15) is located between driven gear (11) and "T"-shaped slide plate (10).
5. the mechanical code lock with clutch according to claim 1, is characterized in that, the quantity of driven pulley (2) is 3.
6. the mechanical code lock with clutch according to claim 1, it is characterized in that, take turns scarce string and have a bit of distance from the soffit of "T"-shaped slide plate (10), this a bit of distance guarantees when driving gear (6) meshes with driven gear (11), coded shaft (7) has low-angle activity, and password letter disk can be stopped in any angle of 360 degree.
7. the mechanical code lock with clutch according to claim 1, is characterized in that, in " ┑ " shape bolt plate (17) and " be provided with extension spring (27) between the lower wall of ［ " shape casing (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210359984.3A CN102864981B (en) | 2012-09-25 | 2012-09-25 | Mechanical combination lock with clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210359984.3A CN102864981B (en) | 2012-09-25 | 2012-09-25 | Mechanical combination lock with clutch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102864981A CN102864981A (en) | 2013-01-09 |
| CN102864981B true CN102864981B (en) | 2014-08-27 |
Family
ID=47444086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210359984.3A Expired - Fee Related CN102864981B (en) | 2012-09-25 | 2012-09-25 | Mechanical combination lock with clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102864981B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4956984A (en) * | 1988-12-06 | 1990-09-18 | Chi Cheng Lo | Locking device |
| CA2061455C (en) * | 1992-02-18 | 1996-12-10 | Roger Menard | Mechanical clutch having electrical validation |
| CN101581163A (en) * | 2008-05-15 | 2009-11-18 | 曹君 | Contractible mechanical coded lock device |
| CN102155118A (en) * | 2011-03-28 | 2011-08-17 | 石淳民 | Mechanical combination lock capable of eliminating three technical unlocking hidden troubles for safety box |
| CN202882578U (en) * | 2012-09-25 | 2013-04-17 | 孙滋生 | Mechanical coded lock with clutch |
-
2012
- 2012-09-25 CN CN201210359984.3A patent/CN102864981B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4956984A (en) * | 1988-12-06 | 1990-09-18 | Chi Cheng Lo | Locking device |
| CA2061455C (en) * | 1992-02-18 | 1996-12-10 | Roger Menard | Mechanical clutch having electrical validation |
| CN101581163A (en) * | 2008-05-15 | 2009-11-18 | 曹君 | Contractible mechanical coded lock device |
| CN102155118A (en) * | 2011-03-28 | 2011-08-17 | 石淳民 | Mechanical combination lock capable of eliminating three technical unlocking hidden troubles for safety box |
| CN202882578U (en) * | 2012-09-25 | 2013-04-17 | 孙滋生 | Mechanical coded lock with clutch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102864981A (en) | 2013-01-09 |
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Granted publication date: 20140827 Termination date: 20150925 |
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| EXPY | Termination of patent right or utility model |