CN109736641B - Intelligent door lock - Google Patents
Intelligent door lock Download PDFInfo
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- CN109736641B CN109736641B CN201910119342.8A CN201910119342A CN109736641B CN 109736641 B CN109736641 B CN 109736641B CN 201910119342 A CN201910119342 A CN 201910119342A CN 109736641 B CN109736641 B CN 109736641B
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- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
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Abstract
The invention relates to the technical field of intelligent home furnishing, and discloses an intelligent door lock, which comprises a rear plate, a connecting rod, a counter lock cylinder, a counter lock knob and a rotation auxiliary assembly, wherein the rear plate is fixed on the inner side of a door plate, the rotation auxiliary assembly is used for providing auxiliary force for the movement of the counter lock knob, the rotation auxiliary assembly comprises a rotation gasket, a driven gasket and an elastic reset piece, the driven gasket is matched with the rotation gasket through a cam surface structure and is provided with a first station and a second station relative to the rear plate, when the driven gasket is positioned at the first station, the driven gasket is matched with the rotation gasket to limit the counter lock cylinder at two ends of a stroke of the counter lock cylinder, and when the driven gasket is positioned at the second station, the driven gasket moves from the second station to the first station under the action of the elastic reset piece so as to drive the counter lock cylinder to move to a stroke terminal through the rotation gasket. The intelligent door lock realizes the back locking and the automatic rotation of the back locking knob within a certain angle range, so that the experience of a user is improved.
Description
Technical Field
The invention relates to the technical field of intelligent home furnishing, in particular to an intelligent door lock.
Background
The anti-lock knob of the intelligent door lock is arranged in the door, and when a person is in a house, the knob can be rotated to achieve the aim of anti-locking the door. The general back lock knob is mechanical, and when the back lock is needed, the knob is rotated to the locking position, and when the back lock is needed to be cancelled, the back lock knob is rotated to the resetting position. The rotation angle of locking and unlocking is 90 degrees, and the user needs to manually rotate the knob by 90 degrees in the back locking or unlocking process, and the back locking or unlocking effect can be achieved only by rotating the back locking knob to the designated position.
Disclosure of Invention
The invention provides an intelligent door lock, which realizes back locking and realizes automatic rotation of a back locking knob within a certain angle range by adding a rotation auxiliary component in the intelligent door lock, thereby improving the experience of a user.
In order to achieve the above purpose, the present invention provides the following technical solutions:
An intelligent door lock comprises a back locking knob, a back locking lock cylinder, a back plate, a connecting rod and a connecting rod, wherein the back plate is arranged between the back locking knob and the back locking lock cylinder and provided with a first through hole, the connecting rod can rotate around the axis of the connecting rod and penetrates through the first through hole, one end of the connecting rod is fixedly connected with the back locking knob, the other end of the connecting rod is fixedly connected with the back locking lock cylinder, and the two ends of the circumferential travel of the back locking lock cylinder around the connecting rod are a locking station and an unlocking station respectively; further comprises:
The rotary auxiliary assembly comprises a rotary gasket, a driven gasket and an elastic reset piece, the rotary gasket is fixed with the back lock cylinder, the driven gasket is movably arranged on the back plate relative to the back plate along the extending direction of the connecting rod, and the elastic reset piece is arranged between the driven gasket and the back plate;
the driven gasket is matched with the rotary gasket through a cam surface structure, the driven gasket is provided with a first station and a second station relative to the rear plate, when the driven gasket is positioned at the first station, the driven gasket is matched with the rotary gasket to limit the back lock cylinder to the two ends of the back lock cylinder in a stroke mode, and when the driven gasket is positioned at the second station, the driven gasket moves from the second station to the first station under the action of the elastic reset piece so as to drive the back lock cylinder to move to a stroke terminal through the rotary gasket.
The intelligent door lock comprises a rear plate, a connecting rod, a back lock core and a back lock knob, wherein the rear plate is fixed on the inner side of the door plate, the back lock knob is connected with the back lock core through the connecting rod to control the back lock core to be locked and unlocked, the connecting rod can rotationally pass through the first through hole around the axis of the rear plate, the back lock knob is arranged on one side of the rear plate and fixedly connected with one end of the connecting rod, the back lock core is arranged on one side of the rear plate away from the back lock knob and fixedly connected with the other end of the connecting rod, and the two ends of the circumferential travel of the back lock core around the connecting rod are respectively a locking station and an unlocking station, so that when the back lock knob is rotated, the connecting rod can be driven to rotate to drive the back lock core to rotate to be locked and unlocked; still including being used for providing the rotatory auxiliary assembly of auxiliary force for the motion of back lock knob, rotatory auxiliary assembly can reduce user's rotation angle at the in-process of rotatory back lock knob, makes the back lock knob realize the autogiration in the certain angle range, and rotatory auxiliary assembly includes rotatory packing ring, driven packing ring and elasticity piece that resets, and rotatory packing ring is fixed with the back lock core, and driven packing ring can follow connecting rod extending direction with the back plate and install in the back plate movably, and elasticity piece that resets sets up between driven packing ring and back plate, wherein: the driven gasket is matched with the rotary gasket through a cam surface structure, the driven gasket is provided with a first station and a second station relative to the rear plate, when the driven gasket is positioned at the first station, the driven gasket is matched with the rotary gasket to limit the back lock cylinder to the two ends of the back lock cylinder stroke, and when the driven gasket is positioned at the second station, the driven gasket moves from the second station to the first station under the action of the elastic reset piece so as to drive the back lock cylinder to move to the stroke end through the rotary gasket; in the use of above-mentioned intelligent door lock, the user drives the connecting rod through rotatory back-lock knob and rotates to drive back-lock core rotation, in the rotatory in-process of back-lock knob, rotatory packing ring in the rotatory auxiliary assembly is rotatory with rotatory knob together, driven packing ring passes through elasticity reset piece and back plate fixed connection, when rotatory packing ring is rotatory to driven packing ring be located the second station, the user need not to rotate back-lock knob with force again, thereby driven packing ring is moved to the first station action by the second station under elasticity reset piece control rotatory packing ring drive back-lock core and is moved to the stroke end.
The intelligent door lock realizes back locking and adds the rotary auxiliary assembly in the intelligent door lock, and realizes automatic rotation of the back locking knob within a certain angle range, thereby improving the experience of users.
Preferably, the driven washer is matched with the rotary washer through a cam surface structure, wherein at least two first cams parallel to the extending direction of the connecting rod are formed on one side edge of the rotary washer, which faces the driven washer; and a second cam which is parallel to the extending direction of the connecting rod and corresponds to each first cam one by one is formed on one side edge of the driven gasket, which faces the rotary gasket.
Preferably, in the rotation assisting assembly, the rotation washer is disposed on a side of the driven washer facing away from the rear plate.
Preferably, the rotary washer is fixedly connected with the connecting rod so as to be fixed with the back lock cylinder, or the rotary washer is directly fixedly connected with the back lock cylinder.
Preferably, in the rotation assisting assembly, the driven washer is disposed on a side of the rotation washer facing away from the rear plate.
Preferably, the rotary washer is fixedly connected with the connecting rod.
Preferably, the elastic restoring member includes a plurality of springs, and a first end of each spring is fixedly disposed on a side of the rear plate facing the driven washer, and a second end of each spring is fixedly disposed on a side of the driven washer facing the rear plate.
Preferably, the elastic reset piece comprises a plurality of springs and spring limiting pieces, wherein the spring limiting pieces are in one-to-one correspondence with the springs and are used for limiting the springs, a first end of each spring is fixedly arranged on one side of the rear plate, which faces the driven gasket, and a second end of each spring is fixedly arranged on one side of the driven gasket, which faces the rear plate; the spring limiting piece is arranged on one side of the rear plate, which faces the driven washer; or alternatively
The elastic reset piece comprises a plurality of springs and spring limiting pieces which are in one-to-one correspondence with the springs and are used for limiting the springs, a first end of each spring is fixedly arranged on one side, close to the rear plate, of each spring limiting piece, and a second end of each spring is fixedly arranged on one side, facing the rear plate, of each driven gasket; the spring limiting piece is arranged on one side, facing the door plate, of the rear plate.
Preferably, the spring limiting parts are positioning columns corresponding to the springs one by one, and each spring is sleeved on each positioning column.
Preferably, the first end of each positioning column is fixedly connected with the rear plate, and the second end of each positioning column is suspended.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent door lock according to the present invention;
Fig. 2 is a schematic structural diagram of a rotary gasket of an intelligent door lock according to the present invention;
fig. 3 is a schematic structural diagram of a driven gasket of an intelligent door lock according to the present invention.
Icon:
1-a back plate; 2-connecting rods; 3-a back lock knob; 4-rotating washers; 41-a first cam; 5-a driven washer; 51-a second cam; 6-a spring; 7-positioning columns.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 2 and 3, the present invention provides an intelligent door lock, which comprises a back plate 1 disposed between the back knob and the back lock cylinder and having a first through hole, and a connecting rod 2 passing through the first through hole and capable of rotating around its axis, wherein one end of the connecting rod 2 is fixedly connected with the back lock knob 3, the other end is fixedly connected with the back lock cylinder, and the two ends of the circumferential travel of the back lock cylinder around the connecting rod 2 are respectively a locking station and an unlocking station; further comprises:
The rotary auxiliary assembly comprises a rotary gasket 4, a driven gasket 5 and an elastic reset piece, wherein the rotary gasket 4 is fixed with the back lock cylinder, the driven gasket 5 is movably arranged on the back plate 1 relative to the back plate 1 along the extending direction of the connecting rod 2, and the elastic reset piece is arranged between the driven gasket 5 and the back plate 1;
The driven gasket 5 is matched with the rotary gasket 4 through a cam surface structure, the driven gasket 5 is provided with a first station and a second station relative to the rear plate 1, when the driven gasket 5 is positioned at the first station, the driven gasket 5 is matched with the rotary gasket 4 to limit the back lock cylinder to the two ends of the back lock cylinder stroke, and when the driven gasket 5 is positioned at the second station, the driven gasket 5 moves from the second station to the first station under the action of an elastic reset piece so as to drive the back lock cylinder to move to a stroke end through the rotary gasket 4.
The intelligent door lock comprises a rear plate 1, a connecting rod 2, a back lock cylinder and a back lock knob 3, wherein the rear plate 1, the connecting rod 2, the back lock cylinder and the back lock knob 3 are fixed on the inner side of the door plate, the back lock knob 3 is connected with the back lock cylinder through the connecting rod 2 to control the back lock cylinder to lock and unlock, the connecting rod 2 can rotationally pass through the first through hole around the axis of the connecting rod 2, the back lock knob 3 is arranged on one side of the rear plate 1 and fixedly connected with one end of the connecting rod 2, the back lock cylinder is arranged on one side of the rear plate 1, which is away from the back lock knob 3, and is fixedly connected with the other end of the connecting rod 2, and two ends of the circumferential travel of the back lock cylinder around the connecting rod 2 are respectively a locking station and an unlocking station, so that when the back lock knob 3 is rotated, the connecting rod 2 can be driven to rotate to drive the back lock cylinder to rotate to lock and unlock; still including being used for providing the rotatory auxiliary assembly of auxiliary force for the motion of back lock knob 3, rotatory auxiliary assembly can reduce user's rotation angle at the in-process of rotatory back lock knob 3, makes the back lock knob 3 realize the autogiration in the certain angle range, and rotatory auxiliary assembly includes rotatory packing ring 4, driven packing ring 5 and elasticity restoring element, and rotatory packing ring 4 is fixed with the back lock core, and driven packing ring 5 can install in back plate 1 along connecting rod 2 extending direction with moving for back plate 1, and elasticity restoring element sets up between driven packing ring 5 and back plate 1, wherein: the driven gasket 5 is matched with the rotary gasket 4 through a cam surface structure, the driven gasket 5 is provided with a first station and a second station relative to the rear plate 1, when the driven gasket 5 is positioned at the first station, the driven gasket 5 is matched with the rotary gasket 4 to limit the back lock cylinder to the two ends of the back lock cylinder stroke, when the driven gasket 5 is positioned at the second station, the driven gasket 5 moves from the second station to the first station under the action of an elastic reset piece so as to drive the back lock cylinder to move to a stroke end through the rotary gasket 4; in the use of above-mentioned intelligent door lock, the user drives connecting rod 2 through rotatory locking knob 3 and rotates to drive the rotation of locking lock core, in the rotatory in-process of locking knob 3, rotatory packing ring 4 in the rotatory auxiliary assembly is rotatory together with rotatory knob, driven packing ring 5 is through elasticity reposition of redundant personnel and back plate 1 fixed connection, when rotatory packing ring 4 is rotatory to driven packing ring 5 be located the second station, the user need not to rotate with force again and locking knob 3, thereby driven packing ring 5 is moved to the first station action by the second station under the effect of elasticity reposition of redundant personnel control rotatory packing ring 4 drive locking lock core and is removed to the stroke end.
The intelligent door lock realizes back locking and adds a rotation auxiliary component in the intelligent door lock, and realizes automatic rotation of the back locking knob 3 within a certain angle range, thereby improving the experience of a user.
Specifically, as shown in fig. 2 and 3, the follower washer 5 and the rotary washer 4 are engaged by a cam surface structure, wherein at least two first cams 41 parallel to the extending direction of the connecting rod 2 are formed at the edge of the side of the rotary washer 4 facing the follower washer 5; the driven washer 5 is formed at one side edge toward the rotary washer 4 with second cams 51 parallel to the extending direction of the link 2 and in one-to-one correspondence with each of the first cams 41.
At least two first cams 41 are formed on the rotary washer 4, second cams 51 which are matched with the first cams 41 one by one are formed on the driven washer 5, when each first cam 41 is tangent with the highest point of the corresponding second cam 51, the driven coil is positioned at the second station, and at the moment, if the rotary counter lock knob 3 is locked, the driven washer 5 drives the rotary washer 4 to move from the second station to the first station under the action of an elastic reset piece, so that the rotary washer 4 drives the counter lock cylinder to move to a stroke end to realize locking; if the unlocking is performed by rotating the anti-lock knob 3, the driven washer 5 drives the rotary washer 4 to move from the second station to the first station under the action of the elastic reset piece, so that the anti-lock cylinder is driven to move to the stroke end by the rotary washer 4, and unlocking is realized.
In the intelligent door lock, the length and the height of the first cam and the second cam can be changed according to actual needs to control the angle and the height of the back locking knob during back locking.
Specifically, in the rotation assisting assembly, the rotary washer 4 is provided on the side of the driven washer 5 facing away from the rear plate 1.
In one embodiment, the rotary washer 4 is arranged on the side of the driven washer 5 facing away from the rear plate 1.
Specifically, when the rotary washer 4 is disposed on the side of the driven washer 5 facing away from the rear plate 1, the rotary washer 4 is fixedly connected with the link 2 to be fixed with the counter lock cylinder, or the rotary washer is directly fixedly connected with the counter lock cylinder.
When the rotary washer 4 is arranged on one side of the driven washer 5, which is far away from the rear plate 1, in one connecting mode, the rotary washer 4 is directly fixed on the connecting rod 2, and as the counter lock knob 3 is fixed with the connecting rod 2, the connecting rod 2 is respectively fixed with the rotary washer 4 and the counter lock cylinder, when the counter lock knob 3 is manually rotated, the counter lock cylinder and the rotary washer 4 are driven to move by the counter lock knob 3 firstly, and after the force is stopped, the rotary washer 4 is driven to act by the driven washer 5 and the elastic reset piece, so that the connecting rod 2 and the counter lock cylinder are driven to act by the rotary washer 4; in another connection mode, the rotary gasket is directly fixedly connected with the counter lock core, and because the counter lock knob 3 is fixed with the connecting rod 2 and the connecting rod 2 is fixed with the counter lock core, when the counter lock knob 3 is manually rotated, the counter lock knob 3 drives the counter lock core to move, the counter lock core drives the rotary gasket 4 to move, after the force is stopped, the driven gasket 5 and the elastic reset piece drive the rotary gasket 4 to act, and the rotary gasket 4 drives the counter lock core to act, so that the automatic rotation of the counter lock knob 3 in a certain angle range is realized, and the experience of a user is improved.
Specifically, in the rotation assisting assembly, the driven washer 5 is provided on the side of the rotary washer 4 facing away from the rear plate 1.
In another embodiment, the driven washer 5 is arranged on the side of the rotary washer 4 facing away from the rear plate 1.
Specifically, when the driven washer 5 is arranged on one side of the rotary washer 4, which is away from the rear plate 1, the rotary washer 4 is fixedly connected with the connecting rod 2, and because the counter lock knob 3 is fixed with the connecting rod 2, the connecting rod 2 is respectively fixed with the rotary washer 4 and the counter lock cylinder, when the counter lock knob 3 is manually rotated, the counter lock cylinder and the rotary washer 4 are driven to move by the counter lock knob 3, after the force is stopped, the rotary washer 4 is driven to move by the driven washer 5 and the elastic reset piece, and the connecting rod 2 and the counter lock cylinder are driven to move by the rotary washer 4, so that the automatic rotation of the counter lock knob 3 in a certain angle range is realized, and the experience of a user is improved.
Specifically, the elastic restoring member includes a plurality of springs 6, and the first ends of the springs 6 are fixedly disposed on the side of the rear plate 1 facing the driven washer 5, and the second ends of the springs 6 are fixedly disposed on the side of the driven washer 5 facing the rear plate 1.
In particular, the resilient return member may comprise four springs, as shown in fig. 1.
Specifically, the elastic reset piece comprises a plurality of springs 6 and spring limiting pieces which are in one-to-one correspondence with each spring 6 and are used for limiting the springs 6, a first end of each spring 6 is fixedly arranged on one side of the rear plate 1 facing the driven gasket 5, and a second end of each spring 6 is fixedly arranged on one side of the driven gasket 5 facing the rear plate 1; the spring limiting piece is arranged on one side of the rear plate 1 facing the driven washer 5; or alternatively
The elastic reset piece comprises a plurality of springs 6 and spring limiting pieces which are in one-to-one correspondence with the springs and are used for limiting the springs 6, a first end of each spring 6 is fixedly arranged on one side of the corresponding spring limiting piece close to the rear plate 1, and a second end of each spring 6 is fixedly arranged on one side of the corresponding driven gasket 5 facing the rear plate 1; the spring limiting piece is arranged on one side of the rear plate 1 facing the door plate.
Specifically, the spring limiting parts are positioning columns corresponding to the springs 6 one by one, and the springs 6 are sleeved on the positioning columns.
When the elastic restoring member includes springs 6 and spring limiting members corresponding to each spring 6 one by one, in one embodiment, each spring 6 and the elastic limiting member may be fixed to the rear plate 1 respectively; in another embodiment, each elastic limiting member is fixed to the back plate 1, and each spring 6 is fixed to a corresponding elastic limiting member.
Specifically, the first end of each positioning column 7 is fixedly connected with the rear plate 1, and the second end is suspended.
The positioning column 7 realizes positioning of the spring 6 and provides force support for resetting of the spring.
It will be apparent to those skilled in the art that various modifications and variations can be made to the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (9)
1. An intelligent door lock comprises a back locking knob, a back locking lock cylinder, a back plate, a connecting rod and a connecting rod, wherein the back plate is arranged between the back locking knob and the back locking lock cylinder and provided with a first through hole, the connecting rod can rotate around the axis of the connecting rod and penetrates through the first through hole, one end of the connecting rod is fixedly connected with the back locking knob, the other end of the connecting rod is fixedly connected with the back locking lock cylinder, and the two ends of the circumferential travel of the back locking lock cylinder around the connecting rod are a locking station and an unlocking station respectively; characterized by further comprising:
The rotary auxiliary assembly comprises a rotary gasket, a driven gasket and an elastic reset piece, the rotary gasket is fixed with the back lock cylinder, the driven gasket is movably arranged on the back plate relative to the back plate along the extending direction of the connecting rod, and the elastic reset piece is arranged between the driven gasket and the back plate;
The driven gasket is matched with the rotary gasket through a cam surface structure, the driven gasket is provided with a first station and a second station relative to the rear plate, when the driven gasket is positioned at the first station, the driven gasket is matched with the rotary gasket to limit the back lock cylinder to the two ends of the back lock cylinder stroke, and when the driven gasket is positioned at the second station, the driven gasket moves from the second station to the first station under the action of the elastic reset piece so as to drive the back lock cylinder to move to a stroke terminal through the rotary gasket;
In the cam surface structural fit between the driven gasket and the rotary gasket, at least two first cams parallel to the extending direction of the connecting rod are formed on one side edge of the rotary gasket facing the driven gasket; the edge of one side of the driven gasket, facing the rotary gasket, is provided with a second cam which is parallel to the extending direction of the connecting rod and corresponds to each first cam one by one;
the lengths of the first cam and the second cam are used for controlling the angle of the back lock knob during back lock, and the heights of the first cam and the second cam are used for controlling the angle of the back lock knob during back lock.
2. The intelligent door lock according to claim 1, wherein in the rotation assisting assembly, the rotation washer is disposed on a side of the driven washer facing away from the rear plate.
3. The intelligent door lock according to claim 2, wherein the rotary washer is fixedly connected with the connecting rod to be fixed with the counter lock cylinder, or the rotary washer is directly fixedly connected with the counter lock cylinder.
4. The intelligent door lock according to claim 1, wherein in the rotation assisting assembly, the driven washer is disposed on a side of the rotation washer facing away from the rear plate.
5. The intelligent door lock according to claim 4, wherein the rotary washer is fixedly connected to the connecting rod.
6. The intelligent door lock according to claim 1, wherein the elastic restoring member comprises a plurality of springs, a first end of each spring is fixedly arranged on one side of the rear plate facing the driven washer, and a second end of each spring is fixedly arranged on one side of the driven washer facing the rear plate.
7. The intelligent door lock according to claim 1, wherein the elastic reset piece comprises a plurality of springs and spring limiting pieces, wherein the spring limiting pieces are in one-to-one correspondence with the springs and are used for limiting the springs, a first end of each spring is fixedly arranged on one side of the rear plate, which faces the driven gasket, and a second end of each spring is fixedly arranged on one side of the driven gasket, which faces the rear plate; the spring limiting piece is arranged on one side of the rear plate, which faces the driven washer; or alternatively
The elastic reset piece comprises a plurality of springs and spring limiting pieces which are in one-to-one correspondence with the springs and are used for limiting the springs, a first end of each spring is fixedly arranged on one side, close to the rear plate, of each spring limiting piece, and a second end of each spring is fixedly arranged on one side, facing the rear plate, of each driven gasket; the spring limiting piece is arranged on one side, facing the door plate, of the rear plate.
8. The intelligent door lock according to claim 7, wherein the spring limiting piece is a positioning column corresponding to each spring one by one, and each spring is sleeved on the positioning column.
9. The intelligent door lock according to claim 8, wherein the first end of each positioning post is fixedly connected to the rear plate and the second end is suspended.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910119342.8A CN109736641B (en) | 2019-02-18 | 2019-02-18 | Intelligent door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910119342.8A CN109736641B (en) | 2019-02-18 | 2019-02-18 | Intelligent door lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109736641A CN109736641A (en) | 2019-05-10 |
| CN109736641B true CN109736641B (en) | 2024-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910119342.8A Active CN109736641B (en) | 2019-02-18 | 2019-02-18 | Intelligent door lock |
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| Country | Link |
|---|---|
| CN (1) | CN109736641B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114086832A (en) * | 2020-08-24 | 2022-02-25 | 深圳市兆驰数码科技股份有限公司 | Anti-locking safety knob mechanism of door lock |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2213420A1 (en) * | 2001-05-23 | 2004-08-16 | Talleres De Escoriaza, S.A. | Actuation device for a lock bolt |
| CN103883170A (en) * | 2012-12-19 | 2014-06-25 | 肖伟 | Outside back locking burglar alarm |
| CN209908134U (en) * | 2019-02-18 | 2020-01-07 | 珠海格力电器股份有限公司 | Intelligent door lock |
-
2019
- 2019-02-18 CN CN201910119342.8A patent/CN109736641B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2213420A1 (en) * | 2001-05-23 | 2004-08-16 | Talleres De Escoriaza, S.A. | Actuation device for a lock bolt |
| CN103883170A (en) * | 2012-12-19 | 2014-06-25 | 肖伟 | Outside back locking burglar alarm |
| CN209908134U (en) * | 2019-02-18 | 2020-01-07 | 珠海格力电器股份有限公司 | Intelligent door lock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109736641A (en) | 2019-05-10 |
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