CN109259568A - A kind of curtain open and close devices of quick response and Automatic door curtain with it - Google Patents
A kind of curtain open and close devices of quick response and Automatic door curtain with it Download PDFInfo
- Publication number
- CN109259568A CN109259568A CN201811062064.9A CN201811062064A CN109259568A CN 109259568 A CN109259568 A CN 109259568A CN 201811062064 A CN201811062064 A CN 201811062064A CN 109259568 A CN109259568 A CN 109259568A
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- China
- Prior art keywords
- driving lever
- curtain
- hinge joint
- quick response
- close devices
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47H—FURNISHINGS FOR WINDOWS OR DOORS
- A47H5/00—Devices for drawing draperies, curtains, or the like
- A47H5/02—Devices for opening and closing curtains
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47H—FURNISHINGS FOR WINDOWS OR DOORS
- A47H23/00—Curtains; Draperies
- A47H23/01—Bottom bars for stretching hanging curtains; Magnets, slide fasteners, or the like to improve closing of curtains
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/52—Devices affording protection against insects, e.g. fly screens; Mesh windows for other purposes
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47H—FURNISHINGS FOR WINDOWS OR DOORS
- A47H5/00—Devices for drawing draperies, curtains, or the like
- A47H5/02—Devices for opening and closing curtains
- A47H2005/025—Devices for opening and closing curtains controlled by electronic sensors
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Insects & Arthropods (AREA)
- Pest Control & Pesticides (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a kind of curtain open and close devices of quick response, including the left driving lever and right driving lever that can be swung within a certain angle simultaneously, the left driving lever is identical with the amplitude of fluctuation of the right driving lever but swaying direction is opposite, the left driving lever is capable of fixing first position and the second position in a certain angle with vertical direction straight down, and the right driving lever is capable of fixing in the third place straight down and fourth position in a certain angle with vertical direction.The invention also discloses a kind of Automatic door curtain, the curtain open and close devices with the quick response.The setting that the present invention passes through synchronous and heterodromous left driving lever and right driving lever, it can be realized the quick unlatching and closure of door curtain, facilitate passing through for pedestrian or article, can have good mosquito proof or heat insulation effect again, the configuration of the present invention is simple, implementation result is good, has good practicability, and door curtain can also be made to keep preferable appearance.
Description
Technical field
The present invention relates to door curtain accessory technical field, specifically a kind of curtain open and close devices of quick response, this hair
It is bright to further relate to a kind of Automatic door curtain for capableing of fast automatic opening and closing.
Background technique
The application scenarios of door curtain are very extensive, such as: the entrance of the buildings such as family, market or unit, when summer
Gauze type door curtain is installed in above-mentioned scene, can effectively obstruct mosquito, in the installation heat-barrier material production of above-mentioned scene when winter
Door curtain, effectively interior can be kept the temperature, improve room temperature, make indoor people or biology feel more be comfortable.
Door curtain in the prior art, mainly opposite opened door curtain, in order to guarantee that opposite opened door curtain can when nobody passes through
In closed state, it is evenly provided with multiple magnetites from top to bottom in the adjacent side of two side curtains of opposite opened door curtain,
The adjacent side of two side curtains is attached together by the suction of the magnetite of two sides, realizes the closure of door curtain, and in use,
The i.e. openable door curtain of door curtain only need to be touched, using very convenient.But there is also certain problems for this mode: 1) long-term
There are a variety of dirts such as dust, bacterium even germs on the door curtain used, people needed when passing through door curtain with hand or other
Pushes will necessarily be generated with door curtain and be contacted to open door curtain, not meet cleaning and hygienic theory；2) when people are special
In the case of when can not be with hand push enabling curtain, such as both hands have mentioned article, and the setting of door curtain can be brought centainly to the passage of people
Obstruction；3) the mutual absorption for being completely dependent on magnetite carrys out the ineffective of closed curtain, and closing time is slower, is in addition also easy
There is the phenomenon that magnetite dislocation absorption.
Through retrieving, Chinese utility model patent, application number: CN201720004901.7 discloses a kind of Automatic door curtain and opens
Opening device, including doorframe, bull stick, slide bar, door curtain；Doorframe, roof is interior to be equipped with first recess, is equipped in the first recess
Motor；Bull stick, both ends pass through bearing respectively and doorframe swings and connects, and the bull stick is equipped with two sections of oppositely oriented screw threads
Section, it is threaded with left slide, right slide respectively on two oppositely oriented thread segments of the bull stick；Slide bar, both ends point
It does not fix mutually, and is located at immediately below bull stick with doorframe；Door curtain comprising left-hand door curtain, right door curtain, on the left-hand door curtain, right door curtain
End is uniformly provided at least five sliding blocks respectively, and the sliding block sliding is set on slide bar.The patent by control motor rotating forward or
Person's reversion turns on or off door curtain to control.But problem is, turns on or off door curtain and needs to spend longer time,
It is be easy to cause blocking using the device in the big occasion of flow of the people, in addition thermal insulation property and mosquito proof performance are poor, therefore this is specially
Sharp using effect is bad, and the practicability is poor.
Summary of the invention
According to the above-mentioned deficiencies of the prior art, the invention proposes a kind of curtain open and close devices of quick response and have
Its Automatic door curtain can be realized and quickly open and quickly close door curtain, not only facilitated people current, but also has good
Heat preservation and mosquito proof effect.
The present invention solves its technical problem using following technical scheme to realize:
A kind of curtain open and close devices of quick response, including the left driving lever that can be swung within a certain angle simultaneously and right group
The swaying direction of bar, the left driving lever and the right driving lever is on the contrary, the left driving lever is capable of fixing in first straight down
Set and with vertical direction have angle one the second position, the right driving lever be capable of fixing straight down the third place and
There is the 4th position of angle two with vertical direction, angle one is contrary with angle two.
As further improvement of the invention, hinge joint one is respectively arranged on the left driving lever and the right driving lever
With hinge joint two, the left driving lever passes through hinge joint one and hinge joint two respectively with the right driving lever and top doorframe is hinged, hinge
Contact one and hinge joint two are in same horizontal line, are also respectively provided with hinge joint three on the left driving lever and the right driving lever
With hinge joint four, interface point three is located at the upper side and lower side of hinge joint one Yu two line of hinge joint with hinge joint four.
As further improvement of the invention, spacing of the hinge joint three apart from hinge joint one and hinge joint four away from
Spacing from hinge joint two is identical, and the bottom end of spacing of the bottom end of left driving lever apart from hinge joint one and right driving lever is apart from hinge joint
Two spacing is equal.
As further improvement of the invention, connecting rod one is hinged at the hinge joint three of the left driving lever, the right side is dialled
The hinge joint of bar is hinged with connecting rod two everywhere, and connecting rod one and the end of connecting rod two are hinged.
As further improvement of the invention, described further includes driving motor and worm gear mechanism, driving motor
Output shaft is fixedly connected with worm screw, and worm gear matches with worm screw, and cam pin, the end of connecting rod one and connecting rod two are fixed on worm gear
It holds hinged rear hinged with cam pin.
It further include PLC and induction module, induction module is for before detecting door curtain as further improvement of the invention
Whether there is the Dynamic Signal mobile towards door curtain in each a certain range afterwards, and the signal is passed into PLC, PLC is according to induction mould
The signal of block transmitting controls left driving lever and right driving lever makes corresponding movement.
As further improvement of the invention, the induction module uses microwave radar inductor, microwave radar induction
The concrete model of device is the microwave probe and processor of 2.4GHZ, and angle of radiation is 120 °, and fixation is set microwave probe straight down
It sets.
It further include shell as further improvement of the invention, shell is fixedly mounted on top doorframe, and the left side is dialled
The top of bar and the right driving lever is installed in shell, and the main part of the left driving lever and the right driving lever runs through
Shell is located at below shell, and hinge joint one, two is respectively positioned in shell, and the left driving lever and the right driving lever pass through hinge respectively
Contact one and hinge joint two and housing hinge.
The upper side edge and outer side edges of a kind of Automatic door curtain, including left side curtain and right side curtain, left side curtain and right side curtain are fixed
It is mounted on doorframe, the inner side edge of the left side curtain and the right side curtain is provided with U-shaped bound edge, further includes door curtain opening and closing
Device, the curtain open and close devices are the curtain open and close devices of quick response described in claim 1-8 any one, described
The left driving lever of curtain open and close devices and the main body of right driving lever are respectively enterd after shell in the bound edge of left side curtain and right side curtain.
As further improvement of the invention, it is evenly provided with from top to bottom in the bound edge of left side curtain and right side curtain
Multiple magnetites, and the position of the magnetite of left side curtain and right side curtain is corresponding, magnetic pole is opposite.
The beneficial effects of the present invention are:
The present invention can be realized quickly opening for door curtain by the setting of synchronous and heterodromous left driving lever and right driving lever
It opens and is closed, that is, facilitating pedestrian, perhaps article passes through and can have good mosquito proof or heat insulation effect, incudes mould
The position of automatic sensing pedestrian or article is capable of in the design of block, and controls the unlatching and closure of door curtain as needed.This hair
Bright structure is simple, and implementation result is good, has good practicability, and door curtain can also be made to keep preferable appearance.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the main view of present embodiment；
Fig. 2 is the portion the A detail drawing of Fig. 1；
Fig. 3 is the operation schematic diagram of the microwave radar inductor in present embodiment；
Fig. 4 is the schematic diagram for being equipped with a kind of specific embodiment of Automatic door curtain of the curtain open and close devices of quick response.
Wherein, the left driving lever of 1-, 1a- hinge joint one, 1b- hinge joint three, the right driving lever of 2-, 2a- hinge joint two, 2b- hinge joint
Four, 3- connecting rod one, 4- connecting rod two, 5- driving motor, 6- induction module, 7-PLC, 8- shell, 9- drive rod, 10- sliding rail, 20-
Left side curtain, the right side 21- curtain, 22- bound edge, 23- magnetite.
Specific embodiment
Below by the description to embodiment, the shape of for example related each component of a specific embodiment of the invention, structure
It makes, the mutual alignment between each section and connection relationship, the effect of each section and working principle, manufacturing process and operate with
Method etc., is described in further detail, to help those skilled in the art to have inventive concept of the invention, technical solution
More complete, accurate and deep understanding.
As shown in Figures 1 to 4, a kind of curtain open and close devices of quick response, including can swing within a certain angle simultaneously
Left driving lever 1 and right driving lever 2, the swaying direction of left driving lever 1 and right driving lever 2 rather, it is preferred to, left driving lever 1 and right driving lever 2
Swing angle is 20~35 °.Left driving lever 1 is capable of fixing in first position straight down and is in a clamp with vertical direction
The preferred angle of the second position at angle, first position and the second position is 20~35 °, and right driving lever 2 is capable of fixing straight down
The third place and fourth position in a certain angle with vertical direction, the preferred angle of the third place and the 4th position is -20
~-35 ° (indicating opposite with the swaying direction of left driving lever).The bottom end of left driving lever 1 and right driving lever 2 is respectively used to and left side curtain 20
And right side curtain 21 is fixedly connected, when left driving lever 1 and right driving lever 2 while to when the direction swing of separate door curtain center line, i.e., a left side is dialled
Bar 1 swings to the second position from first position, while right driving lever 2 swings to the 4th position from the third place, respectively by left side
Curtain 20 and right side curtain 21 are pushed aside to two sides, realize the opening of door curtain, the door curtain are passed through convenient for pedestrian, when left driving lever 1 and right driving lever
2 simultaneously to when the direction swing of close door curtain center line, i.e., left driving lever 1 swings to first position, while right group from the second position
Bar 2 swings to the third place from the 4th position, and left side curtain 20 and right side curtain 21 are close to each other, realizes the closure of door curtain.
In a kind of specific embodiment, one 1a of hinge joint and hinge joint two are respectively arranged on left driving lever 1 and right driving lever 2
2a, left driving lever 1 and right driving lever 2 are hinged by one 1a of hinge joint and two 2a of hinge joint and top doorframe respectively, one 1a of hinge joint and
Two 2a of hinge joint is in same horizontal line, and three 1b of hinge joint and hinge joint four are also respectively provided on left driving lever 1 and right driving lever 2
2b, three 1b of hinge joint and four 2b of hinge joint are located at the upper side and lower side of one 1a of hinge joint Yu two 2a line of hinge joint.It is preferred that
, spacing of spacing of three 1b of hinge joint apart from one 1a of hinge joint with four 2b of hinge joint apart from two 2a of hinge joint is identical, in addition left
Spacing of spacing of the bottom end of driving lever 1 apart from one 1a of hinge joint with the bottom end of right driving lever 2 apart from two 2a of hinge joint is equal.
The curtain open and close devices of the quick response further include driving motor 5 and worm gear mechanism, driving motor 5 it is defeated
Shaft is fixedly connected with worm screw 9, and cam pin is fixed on worm gear 10, and worm gear 10 matches with worm screw 9, the hinge joint of left driving lever 1
It is hinged with connecting rod 1 at three 1b, is hinged with connecting rod 24, the end of connecting rod 1 and connecting rod 24 at four 2b of hinge joint of right driving lever 2
It holds hinged and hinged with the cam pin on worm gear 10.When work, conduction that driving motor 5 passes through worm gear mechanism
Pull connecting rod 1 and connecting rod 24, respectively drive left driving lever 1 swung from first position to the second position and right driving lever 2 from
The third place is swung to the 4th position, to respectively push left side curtain 20 and right side curtain 21 to two sides aside, realizes beating for door curtain
It opens, is passed through for pedestrian, after pedestrian passes through, driving motor 5 is reversely rotated, and by similarly conducting, respectively drives left driving lever 1
It swings to the right and right driving lever 2 is swung to the left, realize the closure of door curtain.In the above process, the fortune of the bottom end of left driving lever 1 is analyzed
Scanning frequency degree, in swing process, the bottom end of left driving lever 1 and three 1b of hinge joint keep identical angular speed, the ratio between linear velocity of the two
Equal to the two the ratio between spacing apart from one 1a of hinge joint respectively, as can be known from Fig. 1, the bottom end of left driving lever 1 is apart from one 1a of hinge joint
Distance much larger than the spacing between three 1b of one 1a of hinge joint and hinge joint, i.e., the linear velocity of the bottom end of left driving lever 1 is much larger than driving
Dynamic motor 5 gives the linear velocity of three 1b of hinge joint, that is, the speed for pushing left side door curtain aside is greater than driving motor 5 and drives three 1b of hinge joint
Linear velocity；The case where right driving lever 2, is identical as left driving lever 1, in addition in view of left driving lever 1 and right driving lever 2 are simultaneously to far from door curtain
The direction of center line, which swings or swings to the direction close to door curtain center line, has respectively driven turning on or off for door curtain,
So the speed of door curtain turned on or off is the two of unilateral driving lever (left driving lever 1 or right driving lever 2) bottom end linear velocity
Times, that is to say, that in above structure, driving motor 5 only needs to provide a lower revolving speed, can either quickly open or
Person closes door curtain.
It further include PLC7 and induction module 6, induction module 6 is for detecting in each a certain range in door curtain front and back whether have court
The Dynamic Signal mobile to door curtain, and the signal is passed into PLC7, the signal control that PLC7 is transmitted according to induction module 6 is driven
Dynamic motor 5 makes corresponding movement.Induction module 6 can use infrared sensor, it is preferred that induction module 6 uses microwave thunder
Up to inductor, specifically, the concrete model of microwave radar inductor is the microwave probe and processor of 2.4GHZ, angle of radiation
Be 120 °, microwave probe is fixedly installed straight down, i.e., microwave probe to the angle of radiation of door curtain rear and front end be respectively 60 °,
The height H of standard gate is about 2m, so the effective detection range of microwave probe is L=Htan60 °=21.732=
3.4m, that is to say, that pedestrian perhaps article towards in door material moving process when pedestrian or article enter apart from door curtain 3.4m model
When enclosing interior, induction module 6 detects signal, and signal is passed to PLC7, the signal control that PLC7 is transmitted according to induction module 6
Driving motor 5 processed acts, and in time pushes door material aside, pedestrian or article is made easily to run through door curtain.It should be noted that
The case where parameters such as model, the angle of radiation of microwave radar inductor are not limited to this, can be according to practical application is corresponding
Make adjustment, such as height change of door etc..
The curtain open and close devices of the quick response further include shell 8, and shell 8 is fixedly mounted on top doorframe, left driving lever 1
It is installed in shell 8 with the top of right driving lever 2, and the main part of left driving lever 1 and right driving lever 2 runs through shell 8 and is located at shell
8 lower section of body, one 1a of hinge joint, two are respectively positioned in shell 8, and left driving lever 1 and right driving lever 2 pass through one 1a of hinge joint and hinge respectively
Two 2a of contact and shell 8 are hinged, connecting rod 1,24, worm gear mechanism, driving motor 5 and PLC7 accommodates and shell 8 in.
By the setting of shell 8, most of components can be accommodated wherein, have the curtain open and close devices of the quick response
The appearance having had, in addition shell 8 can also play a protective role to components therein.
A kind of Automatic door curtain of the curtain open and close devices with quick response, including left side curtain 20 and right side curtain 21, left side
Curtain 20 and right side curtain 21 can be made of gauze, also can be left using the good flexible material production of the thermal insulation properties such as cotton-wool
The upper side edge of side curtain 20 and right side curtain 21 and outer side edges are fixedly mounted on doorframe, the inside of left side curtain 20 and right side curtain 21
While being provided with U-shaped bound edge 22, it is evenly provided with multiple magnetic from top to bottom in the bound edge 22 of left side curtain 20 and right side curtain 21
Stone 23, and the position of the magnetite 23 of left side curtain 20 and right side curtain 21 is corresponding, and magnetic pole is on the contrary, pass through the mutual suction of magnetite 23
Draw and mutually fit closely the inner side edge of left side curtain 20 and right side curtain 21, realizes the closure of door curtain.Left driving lever 1 and right driving lever 2
Main body is respectively enterd after shell 8 in the bound edge 22 of left side curtain 20 and right side curtain 21, to can either realize to the automatically-controlled door
The fast opening and closing of curtain, and can make the door curtain that there is good appearance.
The present invention can be realized the quick of door curtain by the setting of synchronous and heterodromous left driving lever 1 and right driving lever 2
It opens and closure, that is, facilitating pedestrian, perhaps article passes through and can have good mosquito proof or heat insulation effect, induction
The position of automatic sensing pedestrian or article is capable of in the design of module 6, and controls the unlatching and closure of door curtain as needed.This
Inventive structure is simple, and implementation result is good, has good practicability, and door curtain can also be made to keep preferable appearance.
The present invention is exemplarily described above, it is clear that present invention specific implementation is not subject to the restrictions described above,
As long as using the improvement for the various unsubstantialities that the inventive concept and technical scheme of the present invention carry out, or not improved by this
The conception and technical scheme of invention directly apply to other occasions, within the scope of the present invention.Guarantor of the invention
Shield range should be determined by the scope of protection defined in the claims.
Claims (10)
1. a kind of curtain open and close devices of quick response, it is characterised in that: dial on the left side including that can swing within a certain angle simultaneously
The swaying direction of bar and right driving lever, the left driving lever and the right driving lever is on the contrary, the left driving lever is capable of fixing straight down
First position and there is the second position of angle one with vertical direction, the right driving lever is capable of fixing the third straight down
Position and the 4th position with vertical direction with angle two, angle one are contrary with angle two.
2. the curtain open and close devices of quick response according to claim 1, it is characterised in that: the left driving lever and the right side
Hinge joint one and hinge joint two are respectively arranged on driving lever, the left driving lever and the right driving lever pass through hinge joint one and hinge respectively
Contact two and top doorframe are hinged, and hinge joint one and hinge joint two are in same horizontal line, the left driving lever and the right driving lever
On be also respectively provided with hinge joint three and hinge joint four, interface point three and hinge joint four are located at hinge joint one and hinge joint two
The upper side and lower side of line.
3. the curtain open and close devices of quick response according to claim 2, it is characterised in that: the hinge joint three is apart from hinge
Spacing of the spacing of contact one with hinge joint four apart from hinge joint two is identical, spacing of the bottom end of left driving lever apart from hinge joint one with
Spacing of the bottom end of right driving lever apart from hinge joint two is equal.
4. the curtain open and close devices of quick response according to claim 2, it is characterised in that: the hinge joint of the left driving lever
Connecting rod one is hinged at three, the hinge joint of the right driving lever is hinged with connecting rod two everywhere, and connecting rod one and the end of connecting rod two are hinged
Together.
5. the curtain open and close devices of quick response according to claim 4, it is characterised in that: further include driving motor and snail
The output shaft of worm and gear mechanism, driving motor is fixedly connected with worm screw, and worm gear matches with worm screw, and bias is fixed on worm gear
Pin, connecting rod one and the end of connecting rod two are hinged rear hinged with cam pin.
6. the curtain open and close devices of quick response according to claim 1, it is characterised in that: further include PLC and induction mould
Block, induction module are used to detect whether have the Dynamic Signal mobile towards door curtain before and after door curtain in each a certain range, and by the letter
Number PLC is passed to, the signal that PLC is transmitted according to induction module controls left driving lever and right driving lever makes corresponding movement.
7. the curtain open and close devices of quick response according to claim 6, it is characterised in that: the induction module is using micro-
Wave radar inductor, the concrete model of microwave radar inductor are the microwave probe and processor of 2.4GHZ, and angle of radiation is
120 °, microwave probe is fixedly installed straight down.
8. the curtain open and close devices of quick response according to claim 1, it is characterised in that: further include shell, shell is solid
Dingan County is mounted in top doorframe, and the top of the left driving lever and the right driving lever is installed in shell, and the left driving lever and institute
The main part for stating right driving lever runs through shell and is located at below shell, and hinge joint one, two is respectively positioned in shell, and the left driving lever
Pass through hinge joint one and hinge joint two and housing hinge respectively with the right driving lever.
Pacify 9. the upper side edge of a kind of Automatic door curtain, including left side curtain and right side curtain, left side curtain and right side curtain and outer side edges are fixed
On doorframe, the inner side edge of the left side curtain and the right side curtain is provided with U-shaped bound edge, it is characterised in that: further includes
Curtain open and close devices, the curtain open and close devices are that the door curtain of quick response described in claim 1-8 any one opens and closes dress
It sets, the left driving lever of the curtain open and close devices runs through after shell the packet for respectively enteing left side curtain and right side curtain with the main body of right driving lever
In side.
10. Automatic door curtain according to claim 9, it is characterised in that: in the bound edge of left side curtain and right side curtain from top to bottom
Multiple magnetites are evenly provided with, and the position of the magnetite of left side curtain and right side curtain is corresponding, magnetic pole is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811062064.9A CN109259568B (en) | 2018-09-12 | 2018-09-12 | Quick response door curtain opening and closing device and automatic door curtain with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811062064.9A CN109259568B (en) | 2018-09-12 | 2018-09-12 | Quick response door curtain opening and closing device and automatic door curtain with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109259568A true CN109259568A (en) | 2019-01-25 |
| CN109259568B CN109259568B (en) | 2021-03-16 |
Family
ID=65188651
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811062064.9A Active CN109259568B (en) | 2018-09-12 | 2018-09-12 | Quick response door curtain opening and closing device and automatic door curtain with same |
Country Status (1)
| Country | Link |
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| CN (1) | CN109259568B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111802895A (en) * | 2020-07-18 | 2020-10-23 | 利辛县香樟纱门有限公司 | Automatic polymer screen door of switch |
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| CN109259568B (en) | 2021-03-16 |
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Denomination of invention: A quick response door curtain opening and closing device and an automatic door curtain Effective date of registration: 20221117 Granted publication date: 20210316 Pledgee: Lixin Anhui rural commercial bank Limited by Share Ltd. Pledgor: LIXIN COUNTY FUYA GAUZE ELEMENT CO.,LTD. Registration number: Y2022980022221 |
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Date of cancellation: 20230726 Granted publication date: 20210316 Pledgee: Lixin Anhui rural commercial bank Limited by Share Ltd. Pledgor: LIXIN COUNTY FUYA GAUZE ELEMENT CO.,LTD. Registration number: Y2022980022221 |