CN109057567A - A kind of door switch unit - Google Patents
A kind of door switch unit Download PDFInfo
- Publication number
- CN109057567A CN109057567A CN201810990822.7A CN201810990822A CN109057567A CN 109057567 A CN109057567 A CN 109057567A CN 201810990822 A CN201810990822 A CN 201810990822A CN 109057567 A CN109057567 A CN 109057567A
- Authority
- CN
- China
- Prior art keywords
- cavity
- sliding
- gear
- shaft
- wall
- 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.)
- Withdrawn
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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
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
-
- 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
- E05B63/143—Arrangement of several locks, e.g. in parallel or series, on one or more wings
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
- E05F15/53—Power-operated mechanisms for wings using fluid-pressure actuators for swinging wings
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a kind of door switch units, including door frame, the first cavity is provided in the door frame, the second cavity is provided with above first cavity, the first cavity inner bottom wall is provided with motor, the motor power is connected with active rotating shaft, driving gear is provided on the active rotating shaft, the first threaded rod is rotatably provided between first cavity and second cavity, first sliding groove is provided in first cavity, the first sliding block being threadedly engaged with first threaded rod is slidably fitted in the first sliding groove, the first gear engaged with the driving gear is rotatably provided with outside first sliding block.
Description
Technical field
The present invention relates to doors to lock technical field, specifically a kind of door switch unit.
Background technique
Traditional door lock is often locked using the mode that key locks hole, but such method safety performance is limited, then
It using some particular tools, will easily be opened by stealer, the prior art also has intelligent switch, but operation and its complexity, and valence
Lattice are expensive, it is difficult to which realization is widely popularized, and such device needs to improve there are larger defect.
Summary of the invention
Deficiency in view of the above technology, the invention proposes a kind of door switch units.
A kind of door switch unit of apparatus of the present invention, including door frame, are provided with the first cavity in the door frame, and described first
The second cavity is provided with above cavity, the first cavity inner bottom wall is provided with motor, and the motor power, which is connected with, actively to be turned
Axis is provided with driving gear on the active rotating shaft, is rotatably provided between first cavity and second cavity
First threaded rod is provided with first sliding groove in first cavity, is slidably fitted in the first sliding groove and first spiral shell
The first sliding block that rasp bar is threadedly engaged, the first sliding block outside are rotatably provided with first engaged with the driving gear
Gear is provided with the second gear in second cavity on first threaded rod, is provided on the active rotating shaft
Spline housing in second cavity, is provided with third cavity above first cavity, the third cavity with it is described
It is rotatably provided with first rotating shaft between first cavity, engaged with the first gear is provided in the first rotating shaft
Three gears are provided with the first pulley in the third cavity, setting above the third cavity in the first rotating shaft
There is the 4th cavity, the second shaft, second shaft are rotatably provided between the 4th cavity and the third cavity
On be provided with the second belt wheel in the third cavity, between second belt wheel and the first pulley transmission cooperation set
It is equipped with belt, is provided with the first bevel gear positioned at the 4th cavity in the two the second shaft, the 4th cavity is right
Side is provided with the first sliding cavity, is rotatably provided with the second threaded rod between the 4th cavity and first sliding cavity,
The second bevel gear engaged with the first bevel gear is provided on second threaded rod, sliding peace in first sliding cavity
Equipped with the mobile station being threadedly engaged with second threaded rod, it is provided with the 5th cavity above second cavity, the described 5th
It is rotatably provided with third shaft between cavity and second cavity, is provided in the third shaft positioned at described second
The 4th gear in cavity, is provided with the third hand tap gear in the 5th cavity in the third shaft, and the described 5th
Line chamber is provided on the left of cavity, is rotatably provided with the 4th shaft between the line chamber and the 5th cavity, the described 4th
It is provided with the 4th bevel gear engaged with the third hand tap gear in shaft, is provided in the 4th shaft positioned at the line chamber
Interior line wheel.
Further technical solution is provided with installation cavity in the door frame, doorframe, institute is slidably fitted in the installation cavity
It states and is provided with glass in doorframe, the doorframe inner bottom wall is fixedly connected with the mobile station, and the doorframe right end face is provided with
Pushing block is provided with mounting groove in the pushing block, and the mounting groove inner bottom wall is provided with sensor, and inner wall is set on the right side of the installation cavity
It is equipped with the second sliding slot opposite with the pushing block.
Further technical solution, the line chamber lower section are provided with the second sliding cavity, second sliding cavity and the line
It is provided with slide opening between chamber, the second sliding block, second slider top end face are slidably installed in second sliding cavity
It is provided with the wire connecting with the line wheel, is set between second slider top end face and the second sliding cavity inner roof wall
It is equipped with reset spring.
Further technical solution, installation cavity right side inner wall are provided with third sliding slot, sliding in the third sliding slot
First litter is installed, inner wall is respectively arranged with the first limiting slot, installation in first limiting slot to the third sliding slot up and down
There is the first limited block being fixedly connected with first litter, is set between first limited block and the first limit groove bottom wall
It is equipped with the first top pressure spring, the second cavity inner roof wall is provided with the 4th sliding slot, and is slidably fitted in the 4th sliding slot
Two litter, the second litter bottom end are rotatably provided with splined shaft, and the 5th gear, institute are provided on the splined shaft
Stating the 4th sliding slot, inner wall is respectively arranged with the second limiting slot up and down, is equipped in second limiting slot and slides with described second
The second limited block that pole is fixedly connected is provided with the second press bullet between second limited block and the second limit groove bottom wall
Spring.
The beneficial effects of the present invention are:
It needs at closing time, the motor is opened, and the active rotating shaft is driven to rotate, and the active rotating shaft rotation will drive the master
Moving gear rotation, the driving gear rotation will drive the rotation of third gear, and the third gear rotation will drive described first
Shaft rotation, while second shaft will be driven to rotate, the second shaft rotation will drive second threaded rod to rotate,
The second threaded rod rotation will drive the mobile station to move right, and the doorframe will be driven to move right at the same time, when
When the doorframe and first litter contact, lower a moment will push first litter to move right, at this time the splined shaft
With the spline housing spline fitted, the 5th gear is engaged with the second gear, and the spline housing will be described in drive at this time
Splined shaft rotation, while the 5th gear will be driven to rotate, while the 4th gear and the second gear will be driven
Rotation, the second gear rotation will drive first threaded rod to rotate, while first sliding block will be driven to move down,
After a period of time, the doorframe is contacted with inner wall on the right side of the installation cavity at this time, at this time second sliding block and the sensor
Contact, the motor is closed at the same time, and the first gear is disengaged from the driving gear at this time, and at this time the described 5th
Gear is engaged with the 4th gear, is closed the door completely at this time, when needing to open the door, the motor reversal, and the 4th tooth at this time
Wheel will drive the third shaft to rotate, and the third shaft rotation will drive the 4th shaft to rotate, while will drive institute
Line wheel rotation is stated, second sliding block is pulled on and moves up, when completely disengaging the mounting groove, the first gear and institute
Driving gear engagement is stated, the doorframe will be driven to be moved to the left, after a period of time, the splined shaft is matched with spline housing disengaging
It closes, the 5th gear does not engage with the 4th gear and the second gear；
Apparatus of the present invention, structure is simple, easy to operate, fully achieves the automatic switch of door, greatly improves the intelligence of device
Degree can be changed, while greatly improving the security performance of locking, once locking, will be not present the stolen wind of lares et penates
Danger, greatly improves the house quality of life, and the present apparatus is cheap, easily installs, durability degree is high.
Detailed description of the invention
It, below will be to embodiment or existing in order to illustrate more clearly of inventive embodiments or technical solution in the prior art
Attached drawing needed in technical description is briefly described, it should be apparent that, the accompanying drawings in the following description is only to invent
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of door switch unit of the invention.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification (including any accessory claim, abstract and attached drawing), except non-specifically chatting
State, can it is equivalent by other or have similar purpose alternative features replaced.That is, unless specifically stated, each feature is
An example in a series of equivalent or similar characteristics.
As shown in Figure 1, a kind of door switch unit of apparatus of the present invention, including door frame 10, is provided in the door frame 10
One cavity 69 is provided with the second cavity 42 above first cavity 69, and 69 inner bottom wall of the first cavity is provided with motor 11,
The motor 11 has been connected by power active rotating shaft 38, and driving gear 12, first cavity are provided on the active rotating shaft 38
It is rotatably provided with the first threaded rod 16 between 69 and second cavity 42, it is sliding that first is provided in first cavity 69
Slot 15, is slidably fitted with the first sliding block 14 being threadedly engaged with first threaded rod 16 in the first sliding groove 15, and described
The outside of one sliding block 14 is rotatably provided with the first gear 17 engaged with the driving gear 12, on first threaded rod 16
It is provided with the second gear 18 being located in second cavity 42, is provided on the active rotating shaft 38 positioned at second cavity
Spline housing 39 in 42, is provided with third cavity 32 above first cavity 69, the third cavity 32 and described first empty
It is rotatably provided with first rotating shaft 22 between chamber 69, engaged with the first gear is provided in the first rotating shaft 22
Three gears 19 are provided with the first pulley 21 in the third cavity 32, the third cavity in the first rotating shaft 22
32 tops are provided with the 4th cavity 37, are rotatably provided with second turn between the 4th cavity 37 and the third cavity 32
Axis 34, is provided with the second belt wheel 33 in the third cavity 32 in second shaft 34, second belt wheel 33 with
Transmission is equipped with belt 31 between the first pulley 21, is provided in the two the second shaft 34 positioned at the described 4th
The first bevel gear 35 of cavity 37 is provided with the first sliding cavity 29, the 4th cavity 37 and institute on the right side of the 4th cavity 37
It states and is rotatably provided with the second threaded rod 30 between the first sliding cavity 29, be provided on second threaded rod 30 and described
The second bevel gear 36 of one bevel gear 35 engagement, is slidably fitted with and 30 spiral shell of the second threaded rod in first sliding cavity 29
The mobile station 26 of line cooperation is provided with the 5th cavity 66, the 5th cavity 66 and described second above second cavity 42
It is rotatably provided with third shaft 54 between cavity 42, is provided in the third shaft 54 in second cavity 42
The 4th gear 41, be provided with the third hand tap gear 68 in the 5th cavity 66 in the third shaft 54, described
It is provided with line chamber 65 on the left of five cavitys 66, is rotatably provided with the 4th shaft between the line chamber 65 and the 5th cavity 66
62, the 4th bevel gear 67 engaged with the third hand tap gear 68, the 4th shaft 62 are provided in the 4th shaft 62
On be provided with the line wheel 63 in the line chamber 65.
Valuably or illustratively, wherein installation cavity 24 is provided in the door frame 10, sliding peace in the installation cavity 24
Equipped with doorframe 28, glass 27 is provided in the doorframe 28,24 inner bottom wall of doorframe is fixedly connected with the mobile station 26, institute
It states 24 right end face of doorframe and is provided with pushing block 55, mounting groove 56 is provided in the pushing block 55,56 inner bottom wall of mounting groove is set
It is equipped with sensor 57, the 24 right side inner wall of installation cavity is provided with the second sliding slot 58 opposite with the pushing block 55.
Valuably or illustratively, wherein the second sliding cavity 61, second sliding cavity are provided with below the line chamber 65
It is provided with slide opening between 61 and the line chamber 65, the second sliding block 59 is slidably installed in second sliding cavity 61, it is described
Second sliding block, 59 top end surface is provided with the wire 64 connecting with the line wheel 63,59 top end surface of the second sliding block and institute
It states and is provided with reset spring 60 between 61 inner roof wall of the second sliding cavity.
Valuably or illustratively, wherein the 24 right side inner wall of installation cavity is provided with third sliding slot 50, and the third is sliding
The first litter 23 is slidably fitted in slot 50, about 50 inner wall of third sliding slot is respectively arranged with the first limiting slot 52, described
The first limited block 53 being fixedly connected with first litter 23 is installed in first limiting slot 52, first limited block 53 with
The first top pressure spring 51 is provided between first limiting slot, 52 bottom wall, it is sliding that 42 inner roof wall of the second cavity is provided with the 4th
Slot 43 is slidably fitted with the second litter 46 in the 4th sliding slot 43, and 46 bottom end of the second litter is rotatably arranged
There is splined shaft 40, the 5th gear 43 is provided on the splined shaft 40, about 43 inner wall of the 4th sliding slot is respectively set
There is the second limiting slot 48, the second limited block being fixedly connected with second litter 46 is installed in second limiting slot 48
49, the second top pressure spring 47 is provided between second limited block 49 and 48 bottom wall of the second limiting slot.
In the initial state, the splined shaft 40 and the spline housing 39 are unmated, the 5th gear for apparatus of the present invention
43 do not engage with the 4th gear 41 and the second gear 18.
It needs at closing time, the motor 11 is opened, and the active rotating shaft 38 is driven to rotate, and the rotation of active rotating shaft 38 will
The driving gear 12 is driven to rotate, the rotation of driving gear 12 will drive third gear 19 to rotate, the third gear 19
Rotation will drive the first rotating shaft 22 to rotate, while second shaft 34 will be driven to rotate, and second shaft 34 rotates
Second threaded rod 30 will be driven to rotate, the rotation of the second threaded rod 30 will drive the mobile station 26 to move right, with
This will drive the doorframe 24 to move right simultaneously, and when the doorframe 24 is contacted with first litter 23, lower a moment will be pushed away
It moves first litter 23 to move right, at this time the splined shaft 40 and 39 spline fitted of spline housing, the 5th gear
43 engage with the second gear 18, and the spline housing 39 will drive the splined shaft 40 to rotate at this time, while will be described in drive
The rotation of 5th gear 43, while the 4th gear 41 and the second gear 18 will be driven to rotate, the second gear 18
Rotation will drive first threaded rod 16 to rotate, while first sliding block 14 will be driven to move down, after a period of time, this
Shi Suoshu doorframe 28 is contacted with the 24 right side inner wall of installation cavity, and second sliding block 59 is contacted with the sensor 57 at this time,
The motor 11 is closed at the same time, and the first gear 17 is disengaged from the driving gear 13 at this time, and described at this time the
Five gears 43 are engaged with the 4th gear 41, are closed the door completely at this time, and when needing to open the door, the motor 11 is inverted, at this time institute
Stating the 4th gear 41 will drive the third shaft 54 to rotate, and the rotation of third shaft 54 will drive described 62 turns of 4th shaft
It is dynamic, while the line wheel 64 will be driven to rotate, it pulls on second sliding block 59 and moves up, when completely disengaging the mounting groove
When 56, the first gear 17 is engaged with the driving gear 13, and the doorframe 28 will be driven to be moved to the left, after a period of time,
The splined shaft 40 is detached from the spline housing 39 to be cooperated, the 5th gear 43 and the 4th gear 41 and described second
Gear 18 does not engage.
The beneficial effects of the present invention are:
It needs at closing time, the motor is opened, and the active rotating shaft is driven to rotate, and the active rotating shaft rotation will drive the master
Moving gear rotation, the driving gear rotation will drive the rotation of third gear, and the third gear rotation will drive described first
Shaft rotation, while second shaft will be driven to rotate, the second shaft rotation will drive second threaded rod to rotate,
The second threaded rod rotation will drive the mobile station to move right, and the doorframe will be driven to move right at the same time, when
When the doorframe and first litter contact, lower a moment will push first litter to move right, at this time the splined shaft
With the spline housing spline fitted, the 5th gear is engaged with the second gear, and the spline housing will be described in drive at this time
Splined shaft rotation, while the 5th gear will be driven to rotate, while the 4th gear and the second gear will be driven
Rotation, the second gear rotation will drive first threaded rod to rotate, while first sliding block will be driven to move down,
After a period of time, the doorframe is contacted with inner wall on the right side of the installation cavity at this time, at this time second sliding block and the sensor
Contact, the motor is closed at the same time, and the first gear is disengaged from the driving gear at this time, and at this time the described 5th
Gear is engaged with the 4th gear, is closed the door completely at this time, when needing to open the door, the motor reversal, and the 4th tooth at this time
Wheel will drive the third shaft to rotate, and the third shaft rotation will drive the 4th shaft to rotate, while will drive institute
Line wheel rotation is stated, second sliding block is pulled on and moves up, when completely disengaging the mounting groove, the first gear and institute
Driving gear engagement is stated, the doorframe will be driven to be moved to the left, after a period of time, the splined shaft is matched with spline housing disengaging
It closes, the 5th gear does not engage with the 4th gear and the second gear；
Apparatus of the present invention, structure is simple, easy to operate, fully achieves the automatic switch of door, greatly improves the intelligence of device
Degree can be changed, while greatly improving the security performance of locking, once locking, will be not present the stolen wind of lares et penates
Danger, greatly improves the house quality of life, and the present apparatus is cheap, easily installs, durability degree is high.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement is both fallen in claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (4)
1. a kind of door switch unit, including door frame, it is provided with the first cavity in the door frame, is provided with above first cavity
Second cavity, the first cavity inner bottom wall are provided with motor, and the motor power is connected with active rotating shaft, the active rotating shaft
On be provided with driving gear, the first threaded rod is rotatably provided between first cavity and second cavity, it is described
It is provided with first sliding groove in first cavity, be threadedly engaged with first threaded rod is slidably fitted in the first sliding groove
One sliding block, the first sliding block outside are rotatably provided with the first gear engaged with the driving gear, first spiral shell
The second gear being provided in second cavity on rasp bar is provided with positioned at second cavity on the active rotating shaft
Interior spline housing, the first cavity top are provided with third cavity, can turn between the third cavity and first cavity
Dynamic is provided with first rotating shaft, is provided with the third gear engaged with the first gear in the first rotating shaft, and described first
The first pulley being provided in the third cavity in shaft, the third cavity top is provided with the 4th cavity, described
It is rotatably provided with the second shaft between 4th cavity and the third cavity, is provided in second shaft described in being located at
The second belt wheel in third cavity, transmission is equipped with belt between second belt wheel and the first pulley, and described the
It is provided with the first bevel gear positioned at the 4th cavity in 2 second shafts, is provided with the first sliding on the right side of the 4th cavity
Chamber, is rotatably provided with the second threaded rod between the 4th cavity and first sliding cavity, on second threaded rod
It is provided with the second bevel gear engaged with the first bevel gear, is slidably fitted in first sliding cavity and second spiral shell
The mobile station that rasp bar is threadedly engaged, the second cavity top are provided with the 5th cavity, the 5th cavity and second sky
Third shaft, the 4th tooth being provided in second cavity in the third shaft are rotatably provided between chamber
It takes turns, the third hand tap gear in the 5th cavity is provided in the third shaft, is provided on the left of the 5th cavity
Line chamber is rotatably provided with the 4th shaft between the line chamber and the 5th cavity, be provided in the 4th shaft with
4th bevel gear of third hand tap gear engagement is provided with the line wheel in the line chamber in the 4th shaft.
2. a kind of door switch unit according to claim 1, it is characterised in that: be provided with installation cavity, institute in the door frame
It states and is slidably fitted with doorframe in installation cavity, glass is provided in the doorframe, the doorframe inner bottom wall is fixed with the mobile station
Connection, the doorframe right end face are provided with pushing block, mounting groove are provided in the pushing block, and the mounting groove inner bottom wall is provided with
Sensor, installation cavity right side inner wall are provided with the second sliding slot opposite with the pushing block.
3. a kind of door switch unit according to claim 2, it is characterised in that: be provided with the second sliding below the line chamber
Chamber is provided with slide opening, is slidably equipped with second in second sliding cavity between second sliding cavity and the line chamber
Sliding block, second slider top end face are provided with the wire connecting with the line wheel, second slider top end face with
Reset spring is provided between the second sliding cavity inner roof wall.
4. a kind of door switch unit according to claim 1, it is characterised in that: inner wall is provided with the on the right side of the installation cavity
Three sliding slots are slidably fitted with the first litter in the third sliding slot, and inner wall is respectively arranged with the first limit to the third sliding slot up and down
Position slot, is equipped with the first limited block being fixedly connected with first litter, first limited block in first limiting slot
It is provided with the first top pressure spring between the first limit groove bottom wall, the second cavity inner roof wall is provided with the 4th sliding slot,
The second litter is slidably fitted in 4th sliding slot, the second litter bottom end is rotatably provided with splined shaft, institute
It states and is provided with the 5th gear on splined shaft, inner wall is respectively arranged with the second limiting slot to the 4th sliding slot up and down, and described the
The second limited block being fixedly connected with second litter, second limited block and second limit are installed in two limiting slots
The second top pressure spring is provided between the groove bottom wall of position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810990822.7A CN109057567A (en) | 2018-08-28 | 2018-08-28 | A kind of door switch unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810990822.7A CN109057567A (en) | 2018-08-28 | 2018-08-28 | A kind of door switch unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109057567A true CN109057567A (en) | 2018-12-21 |
Family
ID=64757572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810990822.7A Withdrawn CN109057567A (en) | 2018-08-28 | 2018-08-28 | A kind of door switch unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109057567A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939330A (en) * | 2019-12-10 | 2020-03-31 | 江山发瑞门窗有限公司 | Closing device for split T-shaped door |
-
2018
- 2018-08-28 CN CN201810990822.7A patent/CN109057567A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939330A (en) * | 2019-12-10 | 2020-03-31 | 江山发瑞门窗有限公司 | Closing device for split T-shaped door |
| CN110939330B (en) * | 2019-12-10 | 2020-11-20 | 泰州市贝科利尔门窗有限公司 | Closing device for split T-shaped door |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181221 |
|
| WW01 | Invention patent application withdrawn after publication |