CN108457527B - Mechanical anti-theft encryption lock - Google Patents
Mechanical anti-theft encryption lock Download PDFInfo
- Publication number
- CN108457527B CN108457527B CN201810322670.3A CN201810322670A CN108457527B CN 108457527 B CN108457527 B CN 108457527B CN 201810322670 A CN201810322670 A CN 201810322670A CN 108457527 B CN108457527 B CN 108457527B
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- Prior art keywords
- lock
- body shell
- lock hole
- lock body
- cipher
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- 238000007789 sealing Methods 0.000 claims abstract description 24
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/14—Closures or guards for keyholes
- E05B17/18—Closures or guards for keyholes shaped as lids or slides
- E05B17/186—Closures or guards for keyholes shaped as lids or slides sliding
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/14—Closures or guards for keyholes
- E05B17/145—Closures or guards for keyholes with combination lock
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- Lock And Its Accessories (AREA)
Abstract
The invention discloses a mechanical anti-theft encryption lock which comprises a lock body shell, wherein a first lock hole and a second lock hole are arranged on the lock body shell in parallel along the width direction of the lock body shell, a traditional lock cylinder is arranged in the first lock hole, and an encryption lock cylinder is arranged in the second lock hole. The anti-theft door lock is used for realizing anti-theft by carrying out full-closed encryption on the original lock on the anti-theft door, when the password is to be unlocked and released, the password can be released only by rotating the digital rotary plate of the encryption lock core left and right to align a set of preset numerical values, and then the sealing plate is slid to unlock; under the condition of not changing the use habit of the traditional anti-theft lock, the anti-theft lock is skillfully integrated with the traditional anti-theft lock, the lock core is not required to be replaced even if a key is lost, and the lock can be opened only by using the key and the password at the same time, so that a better anti-theft effect is achieved; the invention has simple structure, accurate and reliable password, no need of changing the original door lock and simple and quick installation.
Description
Technical Field
The invention relates to a mechanical anti-theft encryption lock with a better anti-theft effect, and belongs to the technical field of anti-theft locks.
Background
Antitheft locks have been widely studied and rapidly developed for many years as a basic effective antitheft method for household antitheft doors, and the research and development of antitheft locks are not limited to general cylinder locks at present.
The general cylinder lock is easy to open by special tools from the aspect of theft prevention, thereby losing the theft prevention function; in order to enhance the reliability of the anti-theft lock, an electronic coded lock and a mechanical key coded lock are sequentially arranged, and the electronic coded lock looks reliable, but the reliability and the durability of the electronic part are questioned due to the fact that the electronic part is easy to age, and the mechanical key coded lock is simple and strong in durability, but is easily cracked due to the fact that the principle is too simple, and the reliability of the mechanical key coded lock is questioned as well.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention aims to provide a mechanical anti-theft encryption lock for realizing an anti-theft function by performing full-closed encryption on an original lock cylinder on an anti-theft door.
The technical scheme of the invention is as follows:
the utility model provides a mechanical type theftproof encryption lock, includes the lock body shell, be provided with first lockhole and second lockhole side by side along its width direction on the lock body shell, install traditional lock core in the first lockhole, install the encryption lock core in the second lockhole.
Preferably, the middle part of the lock body shell extends outwards to form an extension part, a concave cavity is formed between the extension part and the inside of the lock body shell, the first lock hole and the second lock hole are arranged on the extension part, and a through groove is further formed in the extension part along the width direction of the lock body shell.
Preferably, the encryption lock core comprises a central shaft penetrating through the second lock hole, a digital rotary disc, a lock hole sealing plate, a first cipher sheet, a limiting sleeve and a central fixing plate are sequentially sleeved on the central shaft, the central fixing plate is fixedly connected with the lock body shell, the limiting sleeve is sleeved with the second cipher sheet and a pressure spring, one end of the pressure spring is abutted to the second cipher sheet, the other end of the pressure spring is abutted to the central fixing plate, the digital rotary disc is located outside the lock body shell, the lock hole sealing plate, the first cipher sheet, the limiting sleeve, the second cipher sheet, the pressure spring and the central fixing plate are located inside the lock body shell, the lock hole sealing plate is located in the cavity, and the digital rotary disc drives the first cipher sheet and the second cipher sheet to rotate to a proper position, and then the lock hole sealing plate can slide left and right in the cavity to open or close the first lock hole. So set up, drive first cipher piece when the digital turntable rotates and rotate, first cipher piece drives stop collar and second cipher piece and rotates, when rotating the digit that sets up in advance on the digital turntable, remove the lockhole closure plate, can open first lockhole, with the key unblank can, realize the password and use in the time of traditional key.
Preferably, a closed chute fixing plate is arranged between the lock hole closing plate and the first cipher piece, a first through hole and a second through hole are respectively arranged at positions corresponding to the first lock hole and the second lock hole on the closed chute fixing plate, and a chute is further arranged on the closed chute fixing plate along the horizontal direction. By the arrangement, the locking hole closing plate can be better fixed.
Preferably, the position of the locking hole closing plate corresponding to the first locking hole and the second locking hole is provided with a first notch and a second notch respectively, one surface of the locking hole closing plate is provided with a knob which extends out of the through groove and can slide left and right along the through groove, the other surface of the locking hole closing plate is provided with a positioning sliding sheet which passes through the sliding groove and can slide left and right along the sliding groove, and the width of the positioning sliding sheet is larger than the distance between the locking hole closing plate and the second cipher sheet.
Preferably, the first cipher piece and the second cipher piece are disc-shaped, a first opening groove and a second opening groove are respectively formed in corresponding positions on the circumference of the first cipher piece and the second cipher piece, the widths of the first opening groove and the second opening groove are larger than the thickness of the positioning sliding sheet, a first protrusion and a second protrusion are respectively arranged on two opposite surfaces of the first cipher piece and the second cipher piece, and the sum of the heights of the first protrusion and the second protrusion is larger than the distance between the first cipher piece and the second cipher piece. So set up, when rotating, touch the second arch on the second cipher piece through the first arch on the first cipher piece, drive the second cipher piece and rotate, until first open slot and second open slot all aim at the location gleitbretter, the location gleitbretter can stretch into first open slot and second open slot, then remove the lockhole closure plate, open first lockhole.
Preferably, the sealing chute fixing plate is provided with a pressing pad at positions close to the upper end edge and the lower end edge of the sealing chute fixing plate, and the pressing pad is connected with the lock body shell and the center fixing plate through bolts. The arrangement further axially fixes the positions of the sealing chute fixing plate and the locking hole sealing plate along the central shaft, and prevents the use inconvenience caused by looseness or movement in the use process.
Preferably, the sealing chute fixing plate is provided with a pressing pad at positions close to the upper end edge and the lower end edge of the sealing chute fixing plate, and the pressing pad is connected with the lock body shell and the center fixing plate through bolts.
Preferably, a baffle plate part is arranged at the outer end of the central shaft, the baffle plate part is propped against the center of the outer end face of the digital rotary disc, and a pointer is arranged on the baffle plate part.
Preferably, the lock body shell is further provided with a handle and a lock body shell rear cover, the handle is fixed on the front end face of the lock body shell, and the lock body shell rear cover is connected with the rear end of the lock body shell through a bolt.
The beneficial effects are that: the anti-theft door lock is used for realizing anti-theft by carrying out full-closed encryption on the original lock on the anti-theft door, when the password is to be unlocked and released, the password can be released only by rotating the digital rotary plate left and right to align a set of preset values, and then the sealing plate is slid to unlock; under the condition of not changing the use habit of the traditional anti-theft lock, the anti-theft lock is skillfully integrated with the traditional anti-theft lock, the lock core is not required to be replaced even if a key is lost, and the lock can be opened only by using the key and the password at the same time, so that a better anti-theft effect is achieved; the invention has simple structure, accurate and reliable password, no need of changing the original door lock and simple and quick installation.
Drawings
FIG. 1 is a schematic view of the assembled overall structure of the present invention;
FIG. 2 is an internal cross-sectional view of FIG. 1;
FIG. 3 is an enlarged view of a portion of the portion I of FIG. 2;
FIG. 4 is an exploded view of FIG. 1;
fig. 5 is a schematic structural view of the locking hole closing plate in fig. 4.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
the mechanical anti-theft encryption lock as shown in fig. 1-5 comprises a lock body shell 1 which is rectangular in whole, an extension part 15 is formed after the middle part of the lock body shell 1 extends forwards, the extension part 15 is the same as the width of the lock body shell 1, a concave cavity 16 is formed between the extension part 15 and the inside of the lock body shell 1, the concave cavity 16 is communicated with the inner space of the lock body shell 1, a first lock hole 13 and a second lock hole 14 are arranged on the extension part 15 side by side along the width direction of the concave cavity, a traditional lock cylinder is arranged in the first lock hole 13, an encryption lock cylinder is arranged in the second lock hole 14, a through groove 17 is further arranged on the extension part 15 along the width direction of the through groove 17, and the through groove 17 is arranged at a position above the first lock hole 13 and the second lock hole 14. The lock body shell 1 is also provided with a handle 2 and a lock body shell rear cover 12, the handle 2 is fixed on the front end face of the lock body shell 1, and the lock body shell rear cover 12 is connected with the rear end of the lock body shell 1 through a screw.
As can be seen from fig. 2, 3 and 4, the above-mentioned encryption lock core includes a central shaft 3 penetrating through a second lock hole 14, a digital rotary disk 4, a lock hole closing plate 5, a closing chute fixing plate 6, a first cipher piece 7, a limiting sleeve 8 and a central fixing plate 11 are sequentially sleeved on the central shaft 3, a second cipher piece 9 and a pressure spring 10 are sleeved on the limiting sleeve 8, one end of the pressure spring 10 is abutted against the second cipher piece 9, the other end is abutted against the central fixing plate 11, the central fixing plate 11 is of a strip-shaped structure, and the upper end and the lower end of the central fixing plate are connected with the lock body shell 1 through bolts. The digital rotary disc 4 is located outside the lock body shell 1, the lock hole sealing plate 5, the sealing chute fixing plate 6, the first cipher piece 7, the limit sleeve 8, the second cipher piece 9, the pressure spring 10 and the center fixing plate 11 are located inside the lock body shell 1, and the lock hole sealing plate 5 and the sealing chute fixing plate 6 are located in the concave cavity 16. The central shaft 3 is fixed on the lock body shell 1, the outer end of the central shaft 3 is provided with a baffle disc part 31, the baffle disc part 31 is propped against the center of the outer end surface of the digital rotary disc 4, the baffle disc part 31 is provided with a pointer, and the pointer can indicate the number on the digital rotary disc 4 when the digital rotary disc 4 rotates.
The closed chute fixing plate 6 is a rectangular plate structure, a first through hole 61 and a second through hole 62 are respectively disposed at positions corresponding to the first lock hole 13 and the second lock hole 14, a chute 63 is further disposed on the closed chute fixing plate 6 along a horizontal direction, and the chute 63 is disposed at a position above the first through hole 61 and the second through hole 62. The sealing chute fixing plate 6 is provided with a pressing pad 18 near the upper end edge and the lower end edge thereof, the pressing pad 18 is connected with the lock body shell 1 and the central fixing plate 11 through bolts, the pressing pad 18 is partially overlapped with the sealing chute fixing plate 6, and the pressing pad 18 is fixed, so that the sealing chute fixing plate 6 is prevented from moving along the axial direction of the central shaft 3.
As can be seen from fig. 5 in combination with fig. 3 and 4, the whole lock hole closing plate 5 is in a rectangular plate structure, a first notch 53 and a second notch 54 are respectively arranged at positions corresponding to the first lock hole 13 and the second lock hole 14, the opening directions of the first notch 53 and the second notch 54 are opposite, the opening widths of the first notch 53 and the second notch 54 are larger than the diameters of the first lock hole 13 and the second lock hole 14, a knob 51 is arranged on one surface of the lock hole closing plate 5, the knob 51 extends out of the through groove 17 and can slide left and right in the through groove 17, a positioning sliding sheet 52 is arranged on the other surface of the lock hole closing plate 5, the cross section 52 of the positioning sliding sheet is in an L-shaped structure, the vertical surface of the positioning sliding sheet is fixedly connected with the lock hole closing plate 5, the horizontal surface passes through a sliding groove 63 and can slide left and right in the sliding groove 63, and the width of the horizontal surface of the positioning sliding sheet 52 is larger than the assembled distance between the lock hole closing plate 5 and the second cipher sheet 9.
As can be seen from fig. 2 and 3 in combination with fig. 4, the center of the digital dial 4 has a small diameter section extending backward, and the small diameter section sequentially passes through the second lock hole 14, the second notch 54 and the second through hole 62, and is connected with the first code sheet 7 through a round pin, so that the first code sheet 7 can be driven to rotate when the digital dial 4 rotates. The large diameter end of the stop collar 8 is abutted with the first cipher piece 7, the small diameter end of the stop collar 8 is abutted with the center fixing plate 11, and the small diameter end of the stop collar 8 is connected with the center fixing plate 11 through a round pin.
The first code sheet 7 and the second code sheet 9 are disc-shaped, the corresponding positions on the circumferences of the first code sheet 7 and the second code sheet 9 are respectively provided with a first opening groove 71 and a second opening groove 91, the widths of the first opening groove 71 and the second opening groove 91 are larger than the thickness of the positioning sliding sheet 52, the opposite surfaces of the first code sheet 7 and the second code sheet 9 are respectively provided with a first protrusion 72 and a second protrusion 92, and the sum of the heights of the first protrusion 72 and the second protrusion 92 is larger than the assembled distance between the first code sheet 7 and the second code sheet 9.
The principle and the action process of the invention are as follows, firstly, the digital rotary table 4 is rotated, the digital rotary table 4 drives the first cipher sheet 7 to rotate, the first cipher sheet 7 drives the limiting sleeve 8 and the second cipher sheet 9 to rotate, when the second opening slot 91 on the second cipher sheet 9 is aligned with the positioning sliding sheet 52, at the moment, the digital rotary table 4 corresponds to one number, then the digital rotary table 4 is reversely rotated to drive the first cipher sheet 7 to reversely rotate, when the first opening slot 71 on the first cipher sheet 7 is aligned with the positioning sliding sheet 52, at the moment, the digital rotary table 4 corresponds to the other number, a user only needs to memorize the two numbers, when unlocking is needed, the pointer on the central shaft 3 is sequentially aligned with the two numbers on the digital rotary table 4, then the dial knob 51 is shifted, the lock hole closing plate 5 is slid rightwards, the first lock hole 13 is opened, at the moment, the traditional lock can be opened by a key, when the encryption lock is in reverse, double protection of the encryption lock and the traditional lock is realized, and the anti-theft effect is better.
The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (3)
1. The utility model provides a mechanical type theftproof encryption lock, includes lock body shell (1), its characterized in that: a first lock hole (13) and a second lock hole (14) are arranged on the lock body shell (1) side by side along the width direction of the lock body shell, a traditional lock cylinder is arranged in the first lock hole (13), and an encryption lock cylinder is arranged in the second lock hole (14);
the middle part of the lock body shell (1) extends outwards to form an extension part (15), a concave cavity (16) is formed between the extension part (15) and the inside of the lock body shell (1), the first lock hole (13) and the second lock hole (14) are arranged on the extension part (15), and a through groove (17) is further formed in the extension part (15) along the width direction of the lock body shell (1);
the encryption lock cylinder comprises a central shaft (3) penetrating through a second lock hole (14), a digital rotary disc (4), a lock hole sealing plate (5), a first cipher piece (7), a limiting sleeve (8) and a central fixing plate (11) are sequentially sleeved on the central shaft (3), the central fixing plate (11) is fixedly connected with the lock body shell (1), a second cipher piece (9) and a pressure spring (10) are sleeved on the limiting sleeve (8), one end of the pressure spring (10) is abutted to the second cipher piece (9), the other end of the pressure spring is abutted to the central fixing plate (11), the digital rotary disc (4) is located outside the lock body shell (1), the lock hole sealing plate (5), the first cipher piece (7), the limiting sleeve (8), the second cipher piece (9), the pressure spring (10) and the central fixing plate (11) are located inside the lock body shell (1), the lock hole sealing plate (5) is located inside the lock hole (16), and the digital rotary disc (4) drives the first cipher piece (7) and the second cipher piece (9) to rotate to the right side so that the lock hole (13) can be closed by sliding or sliding to the right side.
A closed chute fixing plate (6) is arranged between the lock hole closing plate (5) and the first cipher piece (7), a first through hole (61) and a second through hole (62) are respectively arranged on the closed chute fixing plate (6) at positions corresponding to the first lock hole (13) and the second lock hole (14), and a chute (63) is further arranged on the closed chute fixing plate (6) along the horizontal direction;
a first notch (53) and a second notch (54) are respectively arranged on the lock hole closing plate (5) at positions corresponding to the first lock hole (13) and the second lock hole (14), a dial knob (51) is arranged on one surface of the lock hole closing plate (5), the dial knob (51) stretches out of the through groove (17) and can slide left and right along the through groove (17), a positioning sliding sheet (52) is arranged on the other surface of the lock hole closing plate (5), the positioning sliding sheet (52) passes through the sliding groove (63) and can slide left and right along the sliding groove (63), and the width of the positioning sliding sheet (52) is larger than the distance between the lock hole closing plate (5) and the second cipher sheet (9);
the first cipher piece (7) and the second cipher piece (9) are disc-shaped, a first opening groove (71) and a second opening groove (91) are respectively arranged at corresponding positions on the circumference of the first cipher piece (7) and the second cipher piece (9), the widths of the first opening groove (71) and the second opening groove (91) are larger than the thickness of the positioning sliding sheet (52), a first bulge (72) and a second bulge (92) are respectively arranged on two opposite surfaces of the first cipher piece (7) and the second cipher piece (9), and the sum of the heights of the first bulge (72) and the second bulge (92) is larger than the distance between the first cipher piece (7) and the second cipher piece (9);
the lock body is characterized in that the lock body shell (1) is further provided with a handle (2) and a lock body shell rear cover (12), the handle (2) is fixed on the front end face of the lock body shell (1), and the lock body shell rear cover (12) is connected with the rear end of the lock body shell (1) through bolts.
2. The mechanical anti-theft coded lock according to claim 1, wherein: the sealing chute fixing plate (6) is provided with a pressing pad (18) at positions close to the upper end edge and the lower end edge of the sealing chute fixing plate, and the pressing pad (18) is connected with the lock body shell (1) and the center fixing plate (11) through bolts.
3. The mechanical anti-theft coded lock according to claim 2, characterized in that: the outer end of the central shaft (3) is provided with a baffle disc part (31), the baffle disc part (31) is propped against the center of the outer end face of the digital rotary disc (4), and a pointer is arranged on the baffle disc part (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810322670.3A CN108457527B (en) | 2018-04-11 | 2018-04-11 | Mechanical anti-theft encryption lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810322670.3A CN108457527B (en) | 2018-04-11 | 2018-04-11 | Mechanical anti-theft encryption lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108457527A CN108457527A (en) | 2018-08-28 |
| CN108457527B true CN108457527B (en) | 2023-12-05 |
Family
ID=63234642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810322670.3A Active CN108457527B (en) | 2018-04-11 | 2018-04-11 | Mechanical anti-theft encryption lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108457527B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827787B (en) * | 2020-07-25 | 2021-09-14 | 温州市奥得锁业有限公司 | Key puzzle lock |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2649708Y (en) * | 2003-10-11 | 2004-10-20 | 贾君鑫 | Lock panel with protection function |
| CN202788221U (en) * | 2012-09-13 | 2013-03-13 | 苟正胜 | Protective door with hidden lock hole and electronic password device lock |
| CN203961477U (en) * | 2014-06-26 | 2014-11-26 | 杨建阳 | A kind of mechanical lock with password turntable |
| CN208202837U (en) * | 2018-04-11 | 2018-12-07 | 李代明 | Mechanical type anti-theft encryption lock |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200604417A (en) * | 2004-07-27 | 2006-02-01 | Cheng-Chi Guo | Anti-theft lock |
-
2018
- 2018-04-11 CN CN201810322670.3A patent/CN108457527B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2649708Y (en) * | 2003-10-11 | 2004-10-20 | 贾君鑫 | Lock panel with protection function |
| CN202788221U (en) * | 2012-09-13 | 2013-03-13 | 苟正胜 | Protective door with hidden lock hole and electronic password device lock |
| CN203961477U (en) * | 2014-06-26 | 2014-11-26 | 杨建阳 | A kind of mechanical lock with password turntable |
| CN208202837U (en) * | 2018-04-11 | 2018-12-07 | 李代明 | Mechanical type anti-theft encryption lock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108457527A (en) | 2018-08-28 |
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