CN114086830B - Anti-peephole unlocking device - Google Patents
Anti-peephole unlocking device Download PDFInfo
- Publication number
- CN114086830B CN114086830B CN202010855226.5A CN202010855226A CN114086830B CN 114086830 B CN114086830 B CN 114086830B CN 202010855226 A CN202010855226 A CN 202010855226A CN 114086830 B CN114086830 B CN 114086830B
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- China
- Prior art keywords
- handle
- rotating shaft
- reset
- lock panel
- pin
- 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.)
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Links
- 230000002265 prevention Effects 0.000 claims description 16
- 241000282326 Felis catus Species 0.000 claims description 15
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 244000144985 peep Species 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B13/00—Devices preventing the key or the handle or both from being used
- E05B13/005—Disconnecting the handle
Landscapes
- Patch Boards (AREA)
- Lock And Its Accessories (AREA)
Abstract
本发明涉及一种防猫眼开锁装置，包括把手、锁面板、复位扭簧、复位挡片和转轴，把手置于锁面板的一侧，复位扭簧和复位挡片置于锁面板的另一侧；把手的转轴部穿过锁面板和复位扭簧与复位挡片固定连接；复位扭簧的一扭臂与锁面板抵接，另一扭臂与复位挡片抵接；把手的基体部内设置有插销，把手的基体部靠近锁面板的侧壁上设置有拨块，拨块的一端部伸入把手的基体部内与插销连接；转轴置于锁面板远离把手的一侧，转轴的一端部穿过复位挡片伸入把手的转轴部内；插销的端部伸入转轴内。相对现有技术，本发明实现防猫眼开锁，上提反锁方便。
The present invention relates to an anti-cat's-eye unlocking device, comprising a handle, a lock panel, a reset torsion spring, a reset baffle and a rotating shaft, wherein the handle is placed on one side of the lock panel, and the reset torsion spring and the reset baffle are placed on the other side of the lock panel; the rotating shaft of the handle passes through the lock panel and the reset torsion spring and is fixedly connected to the reset baffle; one torsion arm of the reset torsion spring abuts against the lock panel, and the other torsion arm abuts against the reset baffle; a latch is arranged in the base of the handle, and a shift block is arranged on the side wall of the base of the handle close to the lock panel, and one end of the shift block extends into the base of the handle and is connected with the latch; the rotating shaft is placed on the side of the lock panel away from the handle, and one end of the rotating shaft passes through the reset baffle and extends into the rotating shaft of the handle; the end of the latch extends into the rotating shaft. Compared with the prior art, the present invention realizes anti-cat's-eye unlocking and is convenient for lifting and locking.
Description
Technical Field
The invention relates to the technical field of locks, in particular to a cat eye prevention unlocking device.
Background
In the prior art, almost all anti-peep unlocking modes are to add a button on the indoor handle, press the button and simultaneously press the handle to unlock the door, so that the door is inconvenient to use, lift and lock reversely, and the button is required to be pressed for operation, so that the problems are needed to be solved.
Disclosure of Invention
The present invention aims to solve, at least to some extent, one of the above technical problems in the prior art. Therefore, an object of the present invention is to provide a cat eye unlocking prevention device with convenient back locking.
The technical scheme includes that the cat eye prevention unlocking device comprises a handle, a lock panel, a reset torsion spring, a reset baffle and a rotating shaft, wherein the handle is arranged on one side of the lock panel, and the reset torsion spring and the reset baffle are arranged on the other side of the lock panel;
a bolt is arranged in the base body of the handle, a shifting block is arranged on the side wall, close to the lock panel, of the base body of the handle, and one end part of the shifting block extends into the base body of the handle and is fixedly connected with the bolt;
the rotary shaft is arranged on one side of the lock panel, which is far away from the handle, one end part of the rotary shaft penetrates through the reset baffle plate and stretches into the rotary shaft part of the handle, the end part of the plug pin stretches into the rotary shaft, the shifting block can drive the end part of the plug pin to move in the end part of the rotary shaft, and the plug pin can clamp the rotary shaft or unlock the rotary shaft.
The anti-cat eye unlocking device has the beneficial effects that the poking block and the bolt are arranged on the handle, the poking block is used for driving the bolt to move, the bolt is controlled to be separated from the rotating shaft, and when the bolt is separated from the rotating shaft, the handle is pressed down, so that unlocking cannot be performed, and cat eye unlocking is prevented.
On the basis of the technical scheme, the invention can be improved as follows.
Further, a round hole is formed in the end portion, extending into the handle, of the rotating shaft, clamping grooves are formed in the two ends of the round hole, the two clamping grooves are communicated with the round hole, a pin column is fixedly connected to the end portion, close to the rotating shaft, of the bolt, the pin column is driven to extend into the clamping grooves when the bolt moves, the bolt locks the rotating shaft, the pin column is driven to extend into the round hole when the bolt moves, and the bolt unlocks the rotating shaft.
The anti-cat eye unlocking function is achieved by moving the pin column into the clamping groove or the round hole, or the anti-cat eye unlocking function is achieved by closing the anti-cat eye unlocking function, and the anti-cat eye unlocking device has the advantages of being simple in structure, convenient to operate and long in service life.
Further, an elastic piece is arranged in the base body of the handle and fixedly connected with the inner wall of the base body of the handle, the elastic piece is tightly attached to the plug, a protruding block is arranged on the side wall, close to the plug, of the elastic piece, a groove body is arranged on the side wall, close to the plug, of the plug, corresponding to the protruding block, and when the plug moves, the groove body is driven to move, and the protruding block can sink into the groove body.
The anti-cat eye function normally open or normally closed is achieved by limiting the bolt by the elastic sheet.
The lock comprises a lock panel, a reset baffle plate, a lock panel, a reset torsion spring, an annular groove, a bearing sleeve, a lock cover and a lock cover, wherein the lock panel is provided with a through hole, the end part of the handle penetrates through the through hole and the reset torsion spring to be fixedly connected with the reset baffle plate, the end face of the lock panel, which is close to the handle, is provided with the annular groove, the annular groove surrounds the through hole, the bearing is sleeved on the end part of the handle, and the end part of the handle is rotatably connected with the lock panel through the bearing.
The further scheme has the beneficial effects that the end part of the handle is rotatably connected with the lock panel through the bearing, so that the friction force in the handle rotating process can be effectively reduced, and the service life is prolonged.
Further, one end of the reset baffle piece, which is far away from the reset torsion spring, is provided with a clamp spring, and the clamp spring is sleeved on the rotating shaft part of the handle and is fixedly connected with the end part of the handle.
The further scheme has the beneficial effects that the rotation shaft part of the handle is limited to displace along the axial direction by using the clamp spring, so that the handle rotates more stably and has longer service life.
Further, a positioning column is arranged on the side wall, far away from the reset torsion spring, of the reset baffle, the positioning column is fixedly connected with the reset baffle, a limiting groove is formed in one end, far away from the handle, of the rotating shaft, the limiting groove is arranged along the edge of the end of the rotating shaft, and the positioning column is limited in the limiting groove.
The further scheme has the beneficial effects that the handle is convenient to lift and lock, and is not limited by opening or closing of the peep hole prevention function.
Further, a fixing piece is sleeved on one end part of the rotating shaft far away from the handle, the rotating shaft is rotatably connected with the fixing piece, and the fixing piece is fixedly connected with the lock panel through a screw.
The further scheme has the beneficial effects that the fixing piece limits the displacement of the rotating shaft along the axial direction of the rotating shaft, so that the rotating shaft rotates more stably and has longer service life.
Drawings
FIG. 1 is a schematic view of a cat eye prevention unlocking device according to the present invention;
FIG. 2 is a schematic view of the handle of the present invention in an exploded view;
FIG. 3 is a schematic diagram showing two split views of the cat eye prevention unlocking device of the present invention;
FIG. 4 is a schematic illustration of the anti-cat eye lock device of the present invention lifting back lock;
FIG. 5 is a schematic view of a cat eye prevention unlocking device according to the present invention;
FIG. 6 is a schematic view of a structure of the shaft and the pin of the present invention;
FIG. 7 is a schematic diagram of two configurations of the anti-cat eye unlocking device of the present invention;
FIG. 8 is a schematic diagram of two structures of the shaft and the pin according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. A handle;
2. Lock panel, 2.1, perforation;
3. A reset torsion spring;
4. resetting the baffle, 4.1, positioning column;
5. the device comprises a rotating shaft, 5.1 parts of round holes, 5.2 parts of clamping grooves, 5.3 parts of limiting grooves;
6. 6.1 parts of bolts, 6.2 parts of pins and a groove body;
7. A shifting block;
8. spring plate, 8.1, bump;
9. a bearing;
10. clamping springs;
11. and a fixing piece.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
As shown in fig. 1 to 8, the cat eye prevention unlocking device comprises a handle 1, a lock panel 2, a reset torsion spring 3, a reset baffle 4 and a rotating shaft 5, wherein the handle 1 is arranged on one side of the lock panel 2, the reset torsion spring 3 and the reset baffle 4 are arranged on the other side of the lock panel 2, the rotating shaft part of the handle 1 penetrates through the lock panel 2 and the reset torsion spring 3 and is fixedly connected with the reset baffle 4, one torsion arm of the reset torsion spring 3 is abutted with the lock panel 2, and the other torsion arm is abutted with the reset baffle 4;
A bolt 6 is arranged in the base body part of the handle 1, a shifting block 7 is arranged on the side wall, close to the lock panel 2, of the base body part of the handle 1, and one end part of the shifting block 7 extends into the base body part of the handle 1 and is fixedly connected with the bolt 6;
A sliding groove is formed in the side wall of the base body part of the handle 1, corresponding to the shifting block 7, and the shifting block 7 can move along the sliding groove;
The rotary shaft 5 is arranged on one side of the lock panel 2 far away from the handle 1, one end of the rotary shaft 5 is detachably connected with the reset baffle 4 and is connected with the square core, the other end of the rotary shaft 5 penetrates through the reset baffle 4 to extend into the rotary shaft part of the handle 1, the end of the plug pin 6 extends into the rotary shaft 5, the shifting block 7 can drive the end of the plug pin 6 to move in the end of the rotary shaft 5, and the plug pin 6 can clamp the rotary shaft 5 or release the rotary shaft 5.
The handle 1 is manually pushed to move forward, the poking block 7 drives the bolt 6 to move, the bolt 6 clamps the rotating shaft 5, the rotating shaft part of the handle 1 is manually pushed to drive the reset catch 4 to rotate anticlockwise, the reset catch 4 drives the reset torsion spring 3 to twist, meanwhile, the handle 1 drives the rotating shaft 5 to rotate anticlockwise through the poking block 7 and the bolt 6, and the square core is driven to unlock in the anticlockwise rotating process of the rotating shaft 5;
The handle 1 is manually pushed to rotate anticlockwise, the rotating shaft part of the handle 1 drives the reset baffle 4 to rotate anticlockwise, the reset baffle 4 drives the reset torsion spring 3 to twist, and simultaneously the handle 1, the shifting block 7 and the bolt 6 rotate anticlockwise relative to the rotating shaft 5 and cannot be unlocked;
According to the embodiment, the poking block 7 and the bolt 6 are arranged on the handle 1, the poking block 7 is used for driving the bolt 6 to move, the bolt 6 is controlled to be separated from the rotating shaft 5, and when the bolt 6 is separated from the rotating shaft 5, the handle 1 is pressed to rotate anticlockwise, unlocking cannot be performed, and cat eye unlocking prevention is achieved.
In the embodiment, a round hole 5.1 is formed in the end portion of the rotating shaft 5 extending into the handle 1, clamping grooves 5.2 are formed in two ends of the round hole 5.1, the two clamping grooves 5.2 are communicated with the round hole 5.1, a pin 6.1 is fixedly connected to the end portion, close to the rotating shaft 5, of the pin 6, when the pin 6 moves, the pin 6.1 is driven to extend into the clamping groove 5.2, the pin 6 locks the rotating shaft 5, when the pin 6 moves, the pin 6.1 is driven to extend into the round hole 5.1, and the pin 6 unlocks the rotating shaft 5.
The shifting block 7 is manually pushed to move forward, the shifting block 7 drives the bolt 6 to move forward, the bolt 6 drives the pin 6.1 to be clamped into the clamping groove 5.2, and the bolt 6 is connected with the rotating shaft 5 through the pin 6.1 and the clamping groove 5.2, so that the bolt 6 clamps the rotating shaft 5;
Manually pushing a shifting block 7 to reversely move, wherein the shifting block 7 drives a plug pin 6 to reversely move, the plug pin 6 drives a pin column 6.1 to be separated from a clamping groove 5.2 and enter a round hole 5.1, the outer diameter of the pin column 6.1 is smaller than the inner diameter of the round hole 5.1, the plug pin 6 and a rotating shaft 5 are loosened, the plug pin 6 can rotate relative to the rotating shaft 5, the rotating shaft 5 cannot be driven to rotate, and unlocking cannot be performed;
The anti-cat eye unlocking function is achieved by moving the pin column 6.1 into the clamping groove 5.2 or the round hole 5.1, or the anti-cat eye unlocking function is achieved by closing, and the anti-cat eye unlocking device is simple in structure, convenient to operate and long in service life.
In the above embodiment, the elastic sheet 8 is disposed in the base portion of the handle 1, the elastic sheet 8 is fixedly connected with the inner wall of the base portion of the handle 1, the elastic sheet 8 is tightly attached to the plug 6, a bump 8.1 is disposed on a side wall of the elastic sheet 8, which is close to the plug 6, a groove 6.2 is disposed on a side wall of the plug 6, which is close to the plug 8, and corresponds to the bump 8.1, the groove 6.2 is driven to move when the plug 6 moves, and the bump 8.1 can sink into the groove 6.2.
When the spring plate 8 is tightly attached to the bolt 6 and the poking block 7 drives the bolt 6 to move, the bolt 6 is tightly attached to the spring plate 8 to move, and the feedback sense of the bolt 6 and the poking block 7 is increased through the resistance applied by the spring plate 8;
The two groove bodies 6.2 are arranged in parallel, the poking block 7 drives the plug pin 6 to move forward, one groove body 6.2 of the plug pin 6 moves to the position of the convex block 8.1, the plug pin 6 is matched with the convex block 8.1 through the groove bodies 6.2 to limit the plug pin 6, the poking block 7 drives the plug pin 6 to move reversely, the other groove body 6.2 of the plug pin 6 moves to the position of the convex block 8.1, and the plug pin 6 is matched with the convex block 8.1 through the groove body 6.2 to limit the plug pin 6;
In the embodiment, the limit of the elastic sheet 8 to the plug pin 6 is utilized to realize the normally open or normally closed function of preventing the peephole.
In the embodiment, the through hole 2.1 is arranged on the lock panel 2, the end part of the handle 1 passes through the through hole 2.1 and the reset torsion spring 3 to be fixedly connected with the reset baffle 4, an annular groove is arranged on the end surface of the lock panel 2, which is close to the handle 1, and surrounds the through hole 2.1, a bearing 9 is arranged in the annular groove, the bearing 9 is sleeved on the end part of the handle 1, and the end part of the handle 1 is rotatably connected with the lock panel 2 through the bearing 9.
The end part of the handle 1 is rotatably connected with the lock panel 2 through the bearing 9, so that the friction force in the rotation process of the handle 1 can be effectively reduced, and the service life is prolonged.
In the above embodiment, a clamp spring 10 is disposed at one end of the reset catch 4 away from the reset torsion spring 3, and the clamp spring 10 is sleeved on the rotating shaft portion of the handle 1 and is fixedly connected with the end portion of the handle 1.
An annular protruding block is arranged on the end face, close to the reset baffle 4, of the lock panel 2, the protruding block is fixedly connected with the lock panel 2, an annular groove is formed in the protruding block, and the clamp spring 10 is sleeved in the annular groove.
In the embodiment, the rotation shaft part of the handle 1 is limited to displace along the axial direction by using the clamp spring 10, so that the handle 1 rotates more stably and has longer service life.
In the above embodiment, a positioning column 4.1 is provided on a side wall of the reset baffle 4 far from the reset torsion spring 3, the positioning column 4.1 is fixedly connected with the reset baffle 4, a limit groove 5.3 is provided on an end of the rotating shaft 5 far from the handle 1, the limit groove 5.3 is arranged along an end edge of the rotating shaft 5, and the positioning column 4.1 is limited in the limit groove 5.3.
The handle 1 is manually pushed to rotate clockwise, the rotating shaft part of the handle 1 drives the reset baffle 4 to rotate anticlockwise, the reset baffle 4 drives the reset torsion spring 3 to twist, meanwhile, the reset baffle 4 drives the positioning column 4.1 to rotate clockwise in the limiting groove 5.3, when the positioning column 4.1 rotates to the edge of the limiting groove 5.3, the positioning column 4.1 pushes the rotating shaft 5 to rotate clockwise, the lifting of the handle 1 is realized, the square core is driven to lock reversely, the lifting of the handle 1 is convenient, and the anti-cat eye function opening or closing limitation is avoided.
In the above embodiment, a fixing piece 11 is sleeved on an end portion of the rotating shaft 5 away from the handle 1, the rotating shaft 5 is rotatably connected with the fixing piece 11, and the fixing piece 11 is fixedly connected with the lock panel 2 through a screw.
The rotating shaft 5 is provided with a ring groove near the end part of the fixing piece 11, the ring groove is arranged along the edge of the rotating shaft 5, a round hole is formed in the middle of the fixing piece 11, the round hole of the fixing piece 11 is sleeved in the ring groove of the rotating shaft 5, the rotating shaft 5 is rotatably connected with the fixing piece 11, and the fixing piece 11 limits the displacement of the rotating shaft 5 along the axial direction of the rotating shaft, so that the rotating shaft 5 rotates more stably and has longer service life.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (6)
1. The cat eye prevention unlocking device is characterized by comprising a handle (1), a lock panel (2), a reset torsion spring (3), a reset baffle (4) and a rotating shaft (5), wherein the handle (1) is arranged on one side of the lock panel (2), the reset torsion spring (3) and the reset baffle (4) are arranged on the other side of the lock panel (2), the rotating shaft part of the handle (1) penetrates through the lock panel (2) and the reset torsion spring (3) to be fixedly connected with the reset baffle (4), one torsion arm of the reset torsion spring (3) is abutted with the lock panel (2), and the other torsion arm is abutted with the reset baffle (4);
A bolt (6) is arranged in the base body part of the handle (1), a shifting block (7) is arranged on the side wall, close to the lock panel (2), of the base body part of the handle (1), and one end part of the shifting block (7) extends into the base body part of the handle (1) and is fixedly connected with the bolt (6);
the rotating shaft (5) is arranged on one side of the lock panel (2) far away from the handle (1), one end part of the rotating shaft (5) penetrates through the reset baffle (4) to extend into the rotating shaft part of the handle (1), the end part of the plug pin (6) extends into the rotating shaft (5), the shifting block (7) can drive the end part of the plug pin (6) to move in the end part of the rotating shaft (5), and the plug pin (6) can clamp the rotating shaft (5) or unlock the rotating shaft (5);
the novel handle is characterized in that an elastic piece (8) is arranged in a base body of the handle (1), the elastic piece (8) is fixedly connected with the inner wall of the base body of the handle (1), the elastic piece (8) is tightly attached to the plug pin (6), a bump (8.1) is arranged on the side wall, close to the plug pin (6), of the elastic piece (8), a groove body (6.2) is arranged on the side wall, close to the plug pin (6), of the elastic piece (8) and corresponds to the bump (8.1), the groove body (6.2) is driven to move when the plug pin (6) moves, and the bump (8.1) can sink into the groove body (6.2).
2. The cat eye prevention unlocking device according to claim 1 is characterized in that a round hole (5.1) is formed in the end portion, extending into the handle (1), of the rotating shaft (5), clamping grooves (5.2) are formed in the two ends of the round hole (5.1), the two clamping grooves (5.2) are communicated with the round hole (5.1), a pin (6.1) is fixedly connected to the end portion, close to the rotating shaft (5), of the pin (6), the pin (6) is driven to extend into the clamping grooves (5.2) when moving, the pin (6) locks the rotating shaft (5), the pin (6.1) is driven to extend into the round hole (5.1) when moving, and the pin (6) unlocks the rotating shaft (5).
3. The cat eye prevention unlocking device according to claim 1 is characterized in that a through hole (2.1) is formed in the lock panel (2), the end portion of the handle (1) penetrates through the through hole (2.1) and the reset torsion spring (3) to be fixedly connected with the reset baffle (4), an annular groove is formed in the end face, close to the handle (1), of the lock panel (2), the annular groove surrounds the through hole (2.1), a bearing (9) is arranged in the annular groove, the bearing (9) is sleeved on the end portion of the handle (1), and the end portion of the handle (1) is rotatably connected with the lock panel (2) through the bearing (9).
4. The cat eye prevention unlocking device according to claim 1, wherein a clamp spring (10) is arranged at one end of the reset baffle (4) far away from the reset torsion spring (3), and the clamp spring (10) is sleeved on the rotating shaft part of the handle (1) and fixedly connected with the end part of the handle (1).
5. The cat eye prevention unlocking device according to claim 1 is characterized in that a positioning column (4.1) is arranged on the side wall, far away from the reset torsion spring (3), of the reset baffle piece (4), the positioning column (4.1) is fixedly connected with the reset baffle piece (4), a limiting groove (5.3) is formed in one end, far away from the handle (1), of the rotating shaft (5), the limiting groove (5.3) is arranged along the edge of the end of the rotating shaft (5), and the positioning column (4.1) is limited in the limiting groove (5.3).
6. The cat eye prevention unlocking device according to claim 1, wherein a fixing piece (11) is sleeved on one end part of the rotating shaft (5) far away from the handle (1), the rotating shaft (5) is rotatably connected with the fixing piece (11), and the fixing piece (11) is fixedly connected with the lock panel (2) through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010855226.5A CN114086830B (en) | 2020-08-24 | 2020-08-24 | Anti-peephole unlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010855226.5A CN114086830B (en) | 2020-08-24 | 2020-08-24 | Anti-peephole unlocking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114086830A CN114086830A (en) | 2022-02-25 |
| CN114086830B true CN114086830B (en) | 2025-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010855226.5A Active CN114086830B (en) | 2020-08-24 | 2020-08-24 | Anti-peephole unlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114086830B (en) |
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| CN106437296A (en) * | 2016-11-03 | 2017-02-22 | 广东汇泰龙科技有限公司 | Dual-linkage handle lock facilitating back locking |
| CN206053560U (en) * | 2016-08-25 | 2017-03-29 | 陈方雄 | A kind of locking structure of door window puller |
| CN209443913U (en) * | 2018-11-21 | 2019-09-27 | 公牛集团股份有限公司 | A kind of anti-opal unlocking lockset |
| CN212336930U (en) * | 2020-08-24 | 2021-01-12 | 深圳市兆驰数码科技股份有限公司 | Anti-cat eye unlocking device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT367503B (en) * | 1981-01-21 | 1982-07-12 | Franz Kunczicky | WINDOW HANDLE WITH SECURITY AGAINST UNAUTHORIZED OPENING OF A WINDOW |
| CN201125571Y (en) * | 2007-10-12 | 2008-10-01 | 印比雅(亚洲)有限公司 | Door lock with improved structure |
| CN203867300U (en) * | 2014-03-12 | 2014-10-08 | 珠海优特电力科技股份有限公司 | Rotation detecting mechanism for lock rotary shaft and lock capable of determining internal unlocking |
| DE102014103994B4 (en) * | 2014-03-24 | 2023-03-09 | Engeltech Gmbh | Handle device for operating a closing mechanism of a window or door leaf |
| CN206053557U (en) * | 2016-08-25 | 2017-03-29 | 陈方雄 | A kind of rotary positioning structure of door and window handle |
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2020
- 2020-08-24 CN CN202010855226.5A patent/CN114086830B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206053560U (en) * | 2016-08-25 | 2017-03-29 | 陈方雄 | A kind of locking structure of door window puller |
| CN106437296A (en) * | 2016-11-03 | 2017-02-22 | 广东汇泰龙科技有限公司 | Dual-linkage handle lock facilitating back locking |
| CN209443913U (en) * | 2018-11-21 | 2019-09-27 | 公牛集团股份有限公司 | A kind of anti-opal unlocking lockset |
| CN212336930U (en) * | 2020-08-24 | 2021-01-12 | 深圳市兆驰数码科技股份有限公司 | Anti-cat eye unlocking device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114086830A (en) | 2022-02-25 |
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