CN115354920B - Locking mechanism and banknote box - Google Patents
Locking mechanism and banknote box Download PDFInfo
- Publication number
- CN115354920B CN115354920B CN202210945711.0A CN202210945711A CN115354920B CN 115354920 B CN115354920 B CN 115354920B CN 202210945711 A CN202210945711 A CN 202210945711A CN 115354920 B CN115354920 B CN 115354920B
- Authority
- CN
- China
- Prior art keywords
- lock
- box
- plate
- banknote
- lifting plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 title abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/10—Bolts of locks or night latches
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/14—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other
- E05B63/146—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other locks with two or more bolts, each bolt itself being a tumbler
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D11/00—Devices accepting coins; Devices accepting, dispensing, sorting or counting valuable papers
- G07D11/009—Depositing devices
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B2047/0014—Constructional features of actuators or power transmissions therefor
- E05B2047/0018—Details of actuator transmissions
- E05B2047/002—Geared transmissions
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0084—Key or electric means; Emergency release
- E05B2047/0086—Emergency release, e.g. key or electromagnet
Abstract
The invention discloses a locking mechanism and a banknote box, which comprises a box body, a box door and a box plate, wherein the box plate is inserted at the top of the box body; the box door is internally provided with a locking mechanism which comprises a sliding block, a lock rod, a transmission gear and a lifting plate; when the banknote box is taken out of the coin box, the box plate is inserted into the top of the box body, and the push rod enters the push opening, so that the push rod moves oppositely, the rear wedge block is retracted into the box body, and the banknote box is taken out of the coin box; the lifting plate is jacked up by the push plate, so that the lifting plate moves upwards and drives the transmission gear to rotate, the end part of the lock rod moves upwards from the lock channel to the outlet of the lock channel, and the box door is pulled outwards, so that the end part of the lock rod is separated from the lock channel, and the box door can be opened; meanwhile, in the rotating process of the transmission gear, the loose teeth press down the sliding block, so that the sliding block moves downwards, the wedge block is separated from the locking notch, and the box plate is pulled out.
Description
Technical Field
The invention relates to the field of slot machines, in particular to a locking mechanism and a banknote box.
Background
The existing unmanned ticketing buses usually adopt a slot machine to store ticket money so as to collect coins in a centralized manner; the coin machine is internally provided with a banknote box, but the locking mechanism of the existing banknote box is complex, and inconvenience is brought to use.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the embodiment of the invention provides a locking mechanism which comprises a sliding block, a locking rod, a transmission gear and a lifting plate; the top of the sliding block is provided with a wedge block; the lock rod is arranged on the lifting plate; the transmission gear is connected between the sliding block and the lifting plate in a meshed mode, and the transmission gear enables the sliding block to move in the opposite direction between the sliding block and the lifting plate.
According to some embodiments of the invention, the drive gear comprises dense teeth, sparse teeth, the dense teeth engaging the lifter plate, the sparse teeth engaging the slider.
According to some embodiments of the invention, the sliding block is further provided with a stop lever part, and the stop lever part is used for blocking the lock rod.
According to some embodiments of the invention, the left and right sides of the sliding block are further provided with tooth blocks, and the tooth blocks are meshed with the transmission gear.
According to some embodiments of the invention, the lifting plate comprises two arm bars, the slider being located between the two arm bars; the lock rod is horizontally inserted between the end parts of the two arm rod parts, the inner sides of the arm rod parts are provided with insections, and the insections are meshed with the transmission gear.
According to some embodiments of the invention, the lifting plate further comprises a locking part, and an upper locking piece is arranged on one side of the locking part.
According to some embodiments of the invention, the locking element is an electromagnetic lock or a mechanical lock.
A banknote cassette comprising a cassette body, a cassette door and a cassette plate, wherein the cassette plate is inserted at the top of the cassette body; the box door is internally provided with a locking mechanism, and the locking mechanism adopts the locking mechanism;
the lock device comprises a box body, a lock rod, a lock channel, a lock rod and a lock rod, wherein the lock plate is arranged in the box body and is positioned at two sides of the box door, the lock channel is 7-shaped, and the end part of the lock rod is clamped into the lock channel; the bottom surface of the box plate is provided with a locking notch, and the wedge block is inserted into the locking notch.
According to some embodiments of the invention, the rear part of the box body is provided with rear wedges, the rear wedges are positioned at the left side and the right side of the box body, and elastic pieces are arranged between the rear wedges.
According to some embodiments of the invention, the rear wedge is provided with a push rod, and the rear end of the box plate is provided with a push opening, and the push opening is in an isosceles trapezoid shape.
The invention has at least the following beneficial effects:
1. when the box door is opened, the lifting plate is jacked up by the push plate, so that the lifting plate moves upwards and drives the transmission gear to rotate, the end part of the lock rod moves upwards from the lock channel to the outlet of the lock channel, and the box door is pulled outwards, so that the end part of the lock rod is separated from the lock channel, and the box door can be opened; meanwhile, in the rotating process of the transmission gear, the loose teeth press down the sliding block, so that the sliding block moves downwards, the wedge block is separated from the locking notch, and the box plate is pulled out.
2. After pushing the banknote box into the coin box, the rear wedge block is clamped into a locking opening at the rear side of the inner wall of the coin box, so that the banknote box and the coin box are connected and fixed; when the banknote box is taken out from the coin box, the box plate is inserted into the top of the box body, and the push rod enters the push opening, so that the push rod moves oppositely, the rear wedge block is retracted into the box body, and the banknote box is taken out from the coin box.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view showing a state of closing a door of a banknote cassette according to an embodiment of the present invention;
FIG. 2 is a schematic diagram showing a state of opening a door of a banknote cassette according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of FIG. 2A;
FIG. 4 is a schematic view of the interior of a cassette door according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of the interior of a cassette door according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a slider according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a transmission gear according to an embodiment of the present invention;
FIG. 8 is a schematic view of a cassette plate according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of a cassette plate and a rear wedge according to an embodiment of the present invention.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
Referring to fig. 2 to 5, a locking mechanism includes a slider 100, a lock lever 200, a transmission gear 300, a lifting plate 400, and a lock plate 500; the top of the slide block 100 is provided with a wedge block 110; the lock lever 200 is mounted on the lifter plate 400; the transmission gear 300 is engaged and connected between the sliding block 100 and the lifting plate 400, and the transmission gear 300 enables the sliding block 100 and the lifting plate 400 to reversely move; the lock plate 500 is provided with a lock channel 510, the lock channel 510 is 7-shaped, and the upper end of the lock channel 510 is open; when locking, the end of the lock bar 200 enters from the opening of the lock channel 510, and the end of the lock bar 200 is moved down to the lower end of the lock channel 510 by moving the lifting plate 400 downward. Thereby realizing a locking state; when unlocking, the lifting plate 400 is moved upwards, so that the end part of the lock rod 200 is moved upwards to the opening from the lower end of the lock channel 510 and outwards, unlocking is realized, and the locking device has the advantages of simple structure and convenience in operation.
Referring to fig. 5 and 7, the transmission gear 300 includes dense teeth 310 and sparse teeth 320, the dense teeth 310 are engaged with the elevating plate 400, and the sparse teeth 320 are engaged with the slider 100.
When the lifting plate 400 moves upwards, the transmission gear 300 is driven to rotate, so that the loose teeth 320 press the sliding block 100 downwards, and the sliding block 100 moves downwards; when the lifting plate 400 moves downwards, the transmission gear 300 is driven to rotate, so that the sparse teeth 320 push up the sliding block 100, and the sliding block 100 moves upwards.
The left and right sides of the sliding block 100 are also provided with tooth blocks 130, and the tooth blocks 130 are meshed with sparse teeth 320 on the transmission gear 300.
Referring to fig. 5, the lifter plate 400 includes two arm bars 410, and the slider 100 is positioned between the two arm bars 410; the lock rod 200 is horizontally inserted between the end parts of the two arm parts 410, the inner side of the arm part 410 is provided with a tooth pattern 411, and the tooth pattern 411 is meshed with the dense teeth 310 on the transmission gear 300.
The lifter plate 400 further includes a locking part 420, and an upper locking member is provided at one side of the locking part 420, and the lifter plate 400 is locked by the upper locking member, so that the lifter plate 400 cannot be unlocked by lifting.
In this embodiment, when the locking member adopts the electromagnetic lock, after the electromagnetic lock is electrified, the lock core of the electromagnetic lock is inserted into the groove of the locking portion 420, so as to limit the lifting of the lifting plate 400, and complete the locking action; when unlocking, the electromagnetic lock withdraws the lock cylinder from the groove of the locking part 420, and the lifting of the lifting plate 400 is restored.
When the locking piece adopts a mechanical lock, the mechanical lock rotates a lock tongue of the mechanical lock to the bottom of the locking part 420 by rotating a key, so that the lifting of the lifting plate 400 is limited; when unlocking, the key is reversely rotated, so that the lock tongue of the mechanical lock is rotated out from the bottom of the locking part 420, and the lifting of the lifting plate 400 is restored.
Referring to fig. 1 to 3, a banknote cassette includes a cassette body 101, a cassette door 102, and a cassette plate 103, wherein the cassette plate 103 is inserted into the top of the cassette body 101; the door 102 is provided with a locking mechanism, and the locking mechanism adopts one of the locking mechanisms; the lock plate 500 is arranged in the box body 101, the lock plate 500 is positioned at two sides of the box door 102, the lock plate 500 is provided with a lock channel 510, the lock channel 510 is 7-shaped, and the end part of the lock rod 200 is clamped into the lock channel 510; the bottom surface of the cassette plate 103 is provided with a locking notch 1031, and the wedge block 110 is inserted into the locking notch 1031.
The rear part of the box body 101 is provided with rear wedges 600, the rear wedges 600 are positioned on the left side and the right side of the box body 101, and elastic pieces are arranged between the rear wedges 600.
The rear wedge block 600 is provided with a push rod 610, the rear end of the box plate 103 is provided with a push opening 1032, and the push opening 1032 is in an isosceles trapezoid shape; thus, when the cassette plate 103 is pushed, the push rod 610 is moved from the large opening of the push opening 1032 to the small opening, so that the push rod 610 moves in the opposite direction, and the rear wedge 600 is retracted into the cassette body 101.
When the banknote cassette is pushed into the coin box, the rear wedge block 600 is clamped into the locking notch at the rear side of the inner wall of the coin box, so that the banknote cassette is installed.
Referring to fig. 9, when the banknote cassette is taken out of the coin box, the cassette plate 103 is inserted into the top of the cassette body 101, and the push rod 610 is pushed through the push opening 1032 to retract the rear wedge 600 into the cassette body 101, thereby releasing the connection of the banknote cassette and the coin box.
Referring to fig. 5, the lifting plate 400 is lifted up by the push plate 700, so that the lifting plate 400 moves up and drives the transmission gear 300 to rotate, the end of the lock lever 200 moves up from the inside of the lock channel 510 to the outlet of the lock channel 510, and the end of the lock lever 200 is pulled outwards to release from the inside of the lock channel 510, so that the door 102 can be opened; simultaneously, in the process of rotating the transmission gear 300, the sparse teeth 320 press down on the sliding block, so that the sliding block 100 moves downwards, the wedge block 110 is separated from the locking notch 1031, and the box plate 103 is pulled out.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present invention.
Claims (7)
1. A banknote cassette comprising a cassette body (101), a cassette door (102) and a cassette plate (103), wherein the cassette plate (103) is inserted at the top of the cassette body (101); the banknote box is characterized in that a banknote box is arranged in the box door (102), the banknote box comprises a sliding block (100), a lock rod (200), a transmission gear (300), a lifting plate (400) and a locking plate (500), and a wedge block (110) is arranged at the top of the sliding block (100);
the lock rod (200) is arranged on the lifting plate (400); the transmission gear (300) is in meshed connection between the sliding block (100) and the lifting plate (400), and the transmission gear (300) enables the sliding block (100) to reversely move with the lifting plate (400); a lock channel (510) is arranged on the lock plate (500), the lock channel (510) is 7-shaped, and the end part of the lock rod (200) is clamped into the lock channel (510);
the lock plate (500) is arranged in the box body (101); a locking notch (1031) is formed in the bottom surface of the box plate (103), and the wedge block (110) is inserted into the locking notch (1031);
the novel box is characterized in that a rear wedge block (600) is arranged at the rear part of the box body (101), the rear wedge block (600) is positioned at the left side and the right side of the box body (101), an elastic piece is arranged between the rear wedge blocks (600), a push rod (610) is arranged on the rear wedge block (600), a push opening (1032) is arranged at the rear end of the box plate (103), and the push opening (1032) is in an isosceles trapezoid shape.
2. A banknote cassette according to claim 1, wherein the door (102) is provided with an opening, and wherein a push plate (700) is provided in the opening, and wherein the push plate (700) is connected to the lifting plate (400).
3. A banknote cassette according to claim 1, wherein said drive gear (300) comprises dense teeth (310), sparse teeth (320), said dense teeth (310) engaging said lifting plate (400), said sparse teeth (320) engaging said slider (100).
4. A banknote cassette according to claim 3, wherein the slider (100) is further provided with tooth blocks (130) on both left and right sides, the tooth blocks (130) being engaged with the seal teeth (310).
5. A banknote cassette according to claim 3, wherein said lifting plate (400) comprises two arm bars (410), said slider (100) being located between two of said arm bars (410); the two arm rod parts (410) are used for horizontally inserting the lock rod (200), the inner sides of the arm rod parts (410) are provided with insections (411), and the insections (411) are meshed with the dense teeth (310).
6. A banknote cassette according to claim 1, wherein the lifting plate (400) further comprises a locking portion (420), an electromagnetic lock is arranged on one side of the locking portion (420), and a lock cylinder of the electromagnetic lock is inserted into a groove of the locking portion (420) after the electromagnetic lock is electrified.
7. A banknote cassette according to claim 1, wherein the lifting plate (400) further comprises a locking portion (420), a mechanical lock is arranged on one side of the locking portion (420), and the mechanical lock is rotated to stop a lock tongue of the mechanical lock at the bottom of the locking portion (420).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210945711.0A CN115354920B (en) | 2022-08-08 | 2022-08-08 | Locking mechanism and banknote box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210945711.0A CN115354920B (en) | 2022-08-08 | 2022-08-08 | Locking mechanism and banknote box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115354920A CN115354920A (en) | 2022-11-18 |
| CN115354920B true CN115354920B (en) | 2024-01-02 |
Family
ID=84033531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210945711.0A Active CN115354920B (en) | 2022-08-08 | 2022-08-08 | Locking mechanism and banknote box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115354920B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2079832A (en) * | 1980-07-14 | 1982-01-27 | Ncr Co | Cassette for currency notes |
| CN201037337Y (en) * | 2007-04-17 | 2008-03-19 | 付长庆 | Combined type motor vehicle anti-theft lock |
| KR20100012868U (en) * | 2009-06-18 | 2010-12-28 | 인터내셔날 커런시 테크놀로지 코포레이션 | Bill box |
| CN205038703U (en) * | 2015-10-22 | 2016-02-17 | 佛山市顺德区赛威实业有限公司 | Eccentric wheel drive overhead door slot machines |
| CN205531831U (en) * | 2016-01-07 | 2016-08-31 | 上海达博世丽物流设备有限公司 | Pin rod is from lock limiting fixing device |
| EP3406832A1 (en) * | 2017-05-23 | 2018-11-28 | GEZE GmbH | Keep for a panic door lock |
| CN209028705U (en) * | 2018-10-31 | 2019-06-25 | 南京理工三才智能装备有限公司 | A kind of coin stocking mechanism for ticket issuing equipment |
| CN209590958U (en) * | 2019-05-09 | 2019-11-05 | 梁辉 | A kind of ticket fee case automatic-locking type slot machine |
| CN113530384A (en) * | 2021-08-10 | 2021-10-22 | 洛阳瑞宝文保设施科技有限公司 | Gear and rack driving locking mechanism for constant temperature and humidity cabinet door and working method of gear and rack driving locking mechanism |
-
2022
- 2022-08-08 CN CN202210945711.0A patent/CN115354920B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2079832A (en) * | 1980-07-14 | 1982-01-27 | Ncr Co | Cassette for currency notes |
| CN201037337Y (en) * | 2007-04-17 | 2008-03-19 | 付长庆 | Combined type motor vehicle anti-theft lock |
| KR20100012868U (en) * | 2009-06-18 | 2010-12-28 | 인터내셔날 커런시 테크놀로지 코포레이션 | Bill box |
| CN205038703U (en) * | 2015-10-22 | 2016-02-17 | 佛山市顺德区赛威实业有限公司 | Eccentric wheel drive overhead door slot machines |
| CN205531831U (en) * | 2016-01-07 | 2016-08-31 | 上海达博世丽物流设备有限公司 | Pin rod is from lock limiting fixing device |
| EP3406832A1 (en) * | 2017-05-23 | 2018-11-28 | GEZE GmbH | Keep for a panic door lock |
| CN209028705U (en) * | 2018-10-31 | 2019-06-25 | 南京理工三才智能装备有限公司 | A kind of coin stocking mechanism for ticket issuing equipment |
| CN209590958U (en) * | 2019-05-09 | 2019-11-05 | 梁辉 | A kind of ticket fee case automatic-locking type slot machine |
| CN113530384A (en) * | 2021-08-10 | 2021-10-22 | 洛阳瑞宝文保设施科技有限公司 | Gear and rack driving locking mechanism for constant temperature and humidity cabinet door and working method of gear and rack driving locking mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115354920A (en) | 2022-11-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108756471B (en) | High-strength safe intelligent lock cylinder | |
| US5083448A (en) | Electromechanical door lock | |
| CN105205914A (en) | Safety interlocking mechanism of coin recovery cashbox | |
| CN115354920B (en) | Locking mechanism and banknote box | |
| CN114182494A (en) | Double-coil automatic door opening lock and washing machine with same | |
| KR20210074239A (en) | Latch bolt automatic unlocking type door lock mortise | |
| KR20060112280A (en) | Locking device of safety deposit box | |
| CN201358637Y (en) | Novel automatic lock connected with steel cables | |
| US3420561A (en) | Latch bolt hold-back in lock | |
| CN201402481Y (en) | Cashbox of coin storage machine | |
| KR101404431B1 (en) | Tubular type latch having two step structure for protruding and retracting | |
| CN209750073U (en) | Coin storage box of ticket vending machine | |
| CN210685639U (en) | Double-bolt self-eject locking body | |
| CN211229835U (en) | Tongue turning structure synchronously locked and unlocked with main lock tongue | |
| JPS6245250Y2 (en) | ||
| CN106408754A (en) | Electronic lock box with mechanical interlocking function | |
| CN101832073B (en) | Steel rope-connecting automatic lock | |
| CN213807083U (en) | Key unlocking mechanism | |
| CN219864525U (en) | Door lock convenient for back locking and inward unlocking | |
| CN219471762U (en) | Lock cylinder structure | |
| KR20200099948A (en) | Latch bolt automatic Retracting type door lock mortise | |
| KR20200111596A (en) | Latch bolt automatic unlocking type door lock mortise | |
| CN217841188U (en) | Back-pulling type anti-blocking structure of lock body | |
| CN112252896B (en) | Automatic unlocking device for box gate | |
| CN214740727U (en) | Device for limiting movement of door bolt after door opening of safe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |