CN209145439U - A kind of driving assembly of lateral sliding door - Google Patents
A kind of driving assembly of lateral sliding door Download PDFInfo
- Publication number
- CN209145439U CN209145439U CN201821145373.8U CN201821145373U CN209145439U CN 209145439 U CN209145439 U CN 209145439U CN 201821145373 U CN201821145373 U CN 201821145373U CN 209145439 U CN209145439 U CN 209145439U
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- driving
- locking bar
- sliding
- rail
- hanger rail
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Abstract
The utility model discloses a kind of driving assemblies of lateral sliding door, are related to lateral sliding door technical field, it is intended to solve the problems, such as that existing lateral sliding door practicability is low.Its key points of the technical solution are that locking bar is extend into locked groove when original state.When pulling downward on locking bar, after so that locking bar is detached from locked groove, can easily move curtain door manually due to having a power failure or driving external member to damage when causing curtain door that can not move.After powering again or driving external member that can work normally, it pulls downward on locking bar and pulls curtain door to built-in hanger rail direction simultaneously, make after driving sliding block to be located at the lower section of closing piece, unclamp locking bar, after locking bar is extend into guide groove, curtain door can be driven to close by driving external member.After driving external member starting, locking bar can be extend into locked groove under the elastic force effect of the guiding role and elastic external member of guide groove, so that driving external member can drive driving sliding block mobile by closing piece, and then drive curtain door mobile, have the advantages that practicability is high.
Description
Technical field
The utility model relates to lateral sliding door technical fields, more specifically, it relates to a kind of driving assembly of lateral sliding door.
Background technique
Lateral sliding door is widely used in garage door etc., can to garage entrance two side slips and be moved in garage.?
Lateral sliding door is installed to replace the dedicated rolling screen door in traditional garage in the case where garage height limitation, garage entrance can be reduced by having
The advantages of occupying height, the disengaging of the slightly larger vehicle of facilitate volume.
The Chinese patent of existing Publication No. CN103291190A discloses a kind of lateral sliding door, including door body, upper rail and ground
Rail, door body are curtain sheet formula, and upper rail and track are L-type, and track is equipped with lower directive wheel, and upper rail is equipped with change gear of hanging oneself,
Upper rail is mounted on wall, and the end of upper rail is equipped with enabling suite, and enabling suite is connected with push-pull rod, upper rail with
The end of track is equipped with end socket.
But above-mentioned lateral sliding door is to drive door body to open and close by enabling suite, powers off or opens when encountering
When the special circumstances such as gate external member damage, it may appear that be inconvenient to the problem of opening and closing door body, practicability is lower, this problem has
It is to be solved.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of driving assembly of lateral sliding door,
Its advantage high with practicability.
To achieve the above object, the utility model provides following technical solution:
A kind of driving assembly of lateral sliding door, the lateral sliding door include external hanger rail, are set to any of the external hanger rail
One end and the built-in hanger rail to the extension of the inside of the lateral sliding door and the length direction slidingtype assembly along the external hanger rail
In on external hanger rail and capable of sliding to the curtain door of built-in hanger rail, in the curtain door is assemblied in close to one end slidingtype of built-in hanger rail
It sets on hanger rail, the driving component includes: to be carried on lateral wall on the inside of the built-in hanger rail, along the length of the built-in hanger rail
The driving sliding rail of direction setting；Along it is described driving sliding rail length direction slidingtype be assemblied in driving sliding rail on, with the curtain door
The driving sliding block connected close to one end of built-in hanger rail；With it is described driving sliding block top surface be bonded, can be along the driving sliding rail
The mobile closing piece of length direction；And it is carried on the driving sliding rail, the driving external member for driving the closing piece mobile；
Wherein, slip hole is provided through on the driving sliding block vertically, sliding is provided with locking bar in the slip hole；The closing piece
The locked groove communicated with slip hole is provided on bottom surface, the top of the locking bar is extend into locked groove, and bottom end reaches outside slip hole；
It is provided with the elastic external member for preventing locking bar to be detached from locked groove on the driving sliding block, on the bottom surface of the closing piece and is located at locked groove
Glide direction close to the lateral edge driving sliding block of external hanger rail is provided with guide groove, inner sidewall of the guide groove close to locked groove
Tilt down setting.
By using above-mentioned technical proposal, when original state, driving sliding block connect with curtain door, closing piece with drive external member company
It connects, locking bar is extend into locked groove, is opened or closed by driving external member that curtain door can be driven.When due to having a power failure or external member driven to damage
When badly causing curtain door that can not move, locking bar is pulled downward on, after so that locking bar is detached from locked groove, can easily move curtain door manually.
After powering again or driving external member that can work normally, pulls downward on locking bar and pull curtain door to built-in hanger rail direction simultaneously, make
After driving sliding block is located at the lower section of closing piece, locking bar is unclamped, locking bar can be extend into guide groove, at this point, can be by driving external member
Curtain door is driven to close.After driving external member starting, locking bar can be stretched under the elastic force effect of the guiding role and elastic external member of guide groove
Enter into locked groove, so that driving external member can drive driving sliding block mobile by closing piece, and then drives curtain door mobile, have real
With the high advantage of property.
Further, the closing piece tilts down setting along the end face at the both ends of driving sliding block glide direction.
By using above-mentioned technical proposal, so that the both ends of closing piece have all had guiding role, curtain door is pulled to slide driving
After block is located at below closing piece and unclamps locking bar, when locking bar fails to extend into locked groove and offsets with the end of closing piece, starting is driven
Dynamic external member and then can be slid into locked groove, improve serious forgiveness, practicability is stronger it is also possible that locking bar slides into guide groove.
Further, the bottom surface of the driving sliding rail is provided with installation cavity along its length；Along drive in the installation cavity
The length direction of dynamic sliding rail is provided with the driving sliding slot, the first key way and the second key way that Open Side Down；First key way is located at
Drive sliding slot close to the side of built-in hanger rail, second key way is located at the other side of driving sliding slot；The driving external member includes
Drive sprocket, driven sprocket and motor；The driven sprocket is set to installation cavity on the bottom wall of one end of external hanger rail, institute
Drive sprocket is stated to be set on the bottom wall of the installation cavity other end；The axis of the drive sprocket and driven sprocket with installation cavity
Bottom wall is vertical, and the drive sprocket and driven sprocket stretch in the first key way and the second key way；First key way and
The chain engaged with drive sprocket and driven sprocket is provided in two key ways jointly；The motor is set to driving sliding rail far from outer
One end of hanger rail is set, the drive shaft and drive sprocket of the motor are coaxially connected；The top of the driving sliding block and driving sliding slot
Sliding connection, the bottom end of the driving sliding block and curtain door are connected close to one end of built-in hanger rail；Closing piece sliding is set to the
In two key ways, the top surface of the closing piece is fixedly connected with chain.
By using above-mentioned technical proposal, the drive shaft and drive sprocket of motor are coaxially connected, can be driven by motor
Chain rotation.Since the top of driving sliding block and driving sliding slot sliding connect, the bottom end of sliding block is driven to hang with curtain door close to built-in
One end of rail connects, and when chain rotation, driving sliding block can be along driving sliding slot sliding, to drive curtain door close to built-in hanger rail
One end moved along the length direction of built-in hanger rail.When due to have a power failure or driving assembly damage and cause curtain door that can not close
When, pull downward on locking bar make locking bar be detached from locked groove after can pull curtain door manually.
Further, the closing piece is bolted with chain.
By using above-mentioned technical proposal, facilitate the connection that closing piece is fixedly connected or is released with chain closing piece and chain.
Further, its circumferential direction is provided with installation annular groove on the inner sidewall of the slip hole, the elastic external member includes
Be arranged in installation annular groove close to closing piece one end, can along installation annular groove length direction sliding limited block, the limited block with
The lateral wall of locking bar is fixedly connected；The limited block and installation annular groove are far from being connected with elastic connection between the inner sidewall of closing piece
Part.
By using above-mentioned technical proposal, when original state, locking bar keeps protruding under the elastic force effect of flexible connector
The state of locked groove effectively prevents the case where locking bar is detached from locked groove, improves the job stability of locking bar.
Further, the flexible connector is spring, and one end and the limited block of the spring offset, the spring it is another
One end offsets with installation annular groove far from the inner sidewall of closing piece.
By using above-mentioned technical proposal, pull downward on after locking bar makes locking bar be detached from locked groove, spring is in compressive state.When
After pulling curtain door to communicate guide groove with slip hole, locking bar is unclamped, locking bar can extend into guiding under the effect of the elastic force of spring
In slot.
Further, the locking bar reaches and is provided through radial hole on the lateral wall of one end outside slip hole.
By using above-mentioned technical proposal, the setting of radial hole is convenient that drawstring is bound on locking bar, has and pulling is facilitated to lock
The effect of bar.
Further, the locking bar reaches and is provided with axial hole on the end face of one end outside slip hole.
By using above-mentioned technical proposal, after wearing drawstring in radial hole, the precession bolt in axial hole can be passed through
To which drawstring be fastened.
In conclusion the utility model has the following beneficial effects:
1, by chain, closing piece and the setting for driving sliding block, the effect for facilitating driving curtain door to open and close can be played；
2, by the setting of locking bar and locked groove, can play the role of improving lateral sliding door property easy to use；
3, by the setting of guide groove, the effect for facilitating and resetting locking bar can be played.
Detailed description of the invention
Fig. 1 is in embodiment 1 for embodying the integrally-built schematic diagram of lateral sliding door；
Fig. 2 is in embodiment 1 for embodying the schematic diagram of motor Yu drive sprocket connection relationship；
Fig. 3 is in embodiment 1 for embodying the schematic diagram of driving sliding block and curtain door connection relationship；
Fig. 4 is in embodiment 1 for embodying driving sliding block and driving the schematic diagram of sliding rail connection relationship；
Fig. 5 is the enlarged drawing of part A in Fig. 4；
Fig. 6 is in embodiment 2 for embodying the integrally-built schematic diagram of lateral sliding door.
In figure: 1, external hanger rail；2, built-in hanger rail；3, curtain door；4, sliding rail is driven；41, installation cavity；42, sliding slot is driven；
43, the first key way；44, the second key way；45, drive sprocket；46, driven sprocket；47, motor；5, sliding block is driven；51, slip hole；
52, locking bar；53, annular groove is installed；54, limited block；55, flexible connector；56, radial hole；57, axial hole；58, connecting plate；6,
Closing piece；61, locked groove；62, guide groove；7, track.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Embodiment 1:
A kind of driving assembly of lateral sliding door, referring to Fig.1, lateral sliding door include external hanger rail 1, built-in hanger rail 2, curtain door 3 and ground
Rail 7, external hanger rail 1, built-in hanger rail 2 and track 7 are each attached on wall.Any one of external hanger rail 1 is arranged in built-in hanger rail 2
It holds and extends to the inside of lateral sliding door.Track 7 is L-shaped, track 7 be arranged in the lower section of external hanger rail 1 and with external hanger rail 1 and interior
Set the matching of hanger rail 2.Curtain door 3 is arranged between external hanger rail 1 and track 7 and exists along the sliding setting of the length direction of external hanger rail 1
On external hanger rail 1, the bottom end of track 7 and curtain door 3 cooperates, and has the function of guiding.Curtain door 3 is close to one end of built-in hanger rail 2
Top sliding is arranged on built-in hanger rail 2, and curtain door 3 can be slid into completely on built-in hanger rail 2.
Referring to Fig. 2 and Fig. 3, driving assembly includes driving sliding rail 4, driving sliding block 5, closing piece 6(referring to Fig. 4) and actuating sleeve
Part.Driving sliding rail 4 is along the lateral wall that the length direction of built-in hanger rail 2 is fixed at built-in 2 inside of hanger rail.Drive sliding block 5
Length direction sliding setting along driving sliding rail 4 is on driving sliding rail 4, and driving sliding block 5 and curtain door 3 are close to the one of built-in hanger rail 2
End is fixedly connected.Closing piece 6 is bonded with the top surface of driving sliding block 5, and can be slided along the length direction of driving sliding rail 4 relative to driving
Block 5 is moved.It drives external member setting on driving sliding rail 4, and drives external member that closing piece 6 can be driven mobile.
Referring to Fig. 2, the bottom surface of driving sliding rail 4 is provided with installation cavity 41 along its length, slides in installation cavity 41 along driving
The length direction of rail 4 is provided with driving sliding slot 42, the first key way 43 and the second key way 44, drives sliding slot 42,43 and of the first key way
Open Side Down for second key way 44.First key way 43 is located at driving sliding slot 42 close to the side of built-in hanger rail 2, the second key way 44
In the other side of driving sliding slot 42.
Referring to Fig. 2 and Fig. 3, driving external member includes drive sprocket 45, driven sprocket 46 and motor 47.Driven sprocket 46 is arranged
In installation cavity 41 on the bottom wall of one end of external hanger rail 1, drive sprocket 45 is set on the bottom wall of 41 other end of installation cavity.
The axis of drive sprocket 45 and driven sprocket 46 is vertical with the bottom wall of installation cavity 41, and drive sprocket 45 and driven sprocket 46 are stretched
Enter into the first key way 43 and the second key way 44.Chain is provided with jointly in first key way 43 and the second key way 44 (not show in figure
Out), chain is engaged with drive sprocket 45 and driven sprocket 46.Motor 47 is set to the driving one end of sliding rail 4 far from external hanger rail 1
Exterior bottom wall on, the drive shaft and drive sprocket 45 of motor 47 are coaxially connected, start motor 47 after, motor 47 be able to drive actively
Sprocket wheel 45 rotates, so that chain be driven to rotate.The top and the driving sliding of sliding slot 42 for driving sliding block 5 connect, and drive the bottom of sliding block 5
End is fixedly connected with curtain door 3 close to one end of built-in hanger rail 2 by connecting plate 58.
Referring to Fig. 4 and Fig. 5, the sliding of closing piece 6 is set in the second key way 44, and top surface and the chain of closing piece 6 (do not show in figure
It is bolted to connection out).Vertically through slip hole 51 is offered on driving sliding block 5, sliding is provided with lock in slip hole 51
Bar 52.Locked groove 61 is offered on the bottom surface of closing piece 6, locked groove 61 is communicated with slip hole 51.The top of locking bar 52 extend into locked groove 61
Interior, bottom end reaches outside slip hole 51.Elastic external member is additionally provided on driving sliding block 5, elastic external member is for preventing locking bar 52 de-
From locked groove 61.Guide groove 62, guide groove 62 are offered on the bottom surface of closing piece 6 and positioned at locked groove 61 close to the side of external hanger rail 1
Along the glide direction setting of driving sliding block 5.Guide groove 62 tilts down setting close to the inner sidewall of locked groove 61, and closing piece 6 is along driving
The end face at the both ends of 5 glide direction of sliding block also tilts down setting.In the present embodiment, closing piece 6 is along driving 5 side of sliding of sliding block
To both ends be in triangular form.
Referring to Fig. 5, its circumferential direction is provided with installation annular groove 53 on the inner sidewall of slip hole 51, elastic external member includes limited block
54, limited block 54 is arranged in installation annular groove 53 close to one end of closing piece 6 and can slide along the length direction of installation annular groove 53, limit
Block 54 is fixedly connected with the lateral wall of locking bar 52.It is connected between limited block 54 and installation inner sidewall of the annular groove 53 far from closing piece 6
Flexible connector 55, in the present embodiment, flexible connector 55 are spring, and one end and the limited block 54 of spring offset, spring
The other end offsets with installation annular groove 53 far from the inner sidewall of closing piece 6, for preventing locking bar 52 to be detached from locked groove 61.When locking bar 52 is downward
When sliding and being detached from locked groove 61, spring is in compressive state.
Referring to Fig. 5, locking bar 52 is cylindrical, and locking bar 52 is reached to run through on the lateral wall of one end outside slip hole 51 and be opened up
There is radial hole 56, radial hole 56 is arranged radially along locking bar 52.Locking bar 52 reaches to be opened on the end face of one end outside slip hole 51
Equipped with axial hole 57, axial direction setting of the axial hole 57 along locking bar 52.After wearing drawstring in radial hole 56, then in axial hole 57
Drawstring can be fixed by screwing in bolt, have the function of facilitating pulling locking bar 52.
Working principle is as follows:
When original state, driving sliding block 5 is connect with curtain door 3, and locking bar 52 is extend into locked groove 61, passes through 47 drive chain of motor
After item rotation, the closing piece 6 being fixedly connected with chain can drive driving sliding block 5 mobile, so that curtain door 3 be driven to open or close.
When pulling downward on locking bar 52, make locking bar 52 due to having a power failure or driving external member to damage when causing curtain door 3 that can not move
After being detached from locked groove 61, curtain door 3 can be easily moved manually.
After powering again or driving external member that can work normally, locking bar 52 is pulled downward on, while pulling curtain door 3, make to drive
After movable slider 5 is located at the lower section of closing piece 6, motor 47 can be started after locking bar 52 is extend into guide groove 62 by unclamping locking bar 52
To drive curtain door 3 to close.After motor 47 starts, locking bar 52 can be made in the guiding role of guide groove 62 and the elastic force of elastic external member
It is extend under in locked groove 61, so that chain can drive driving sliding block 5 mobile by closing piece 6, and then curtain door 3 is driven to move
It is dynamic, have the advantages that practicability is high.
Embodiment 2:
A kind of driving assembly of lateral sliding door, referring to Fig. 6, based on embodiment 1, the difference of the present embodiment and embodiment 1
Be: built-in hanger rail 2 is provided with two, and two built-in hanger rails 2 are located at the both ends of external hanger rail 1, and track 7 is in U-shape, U-shaped
Track 7 matched with external hanger rail 1 and two built-in hanger rails 2.Curtain door 3, driving external member and driving sliding rail 4 are provided with two groups,
The structure composition of two groups of driving sliding rails 4 is identical and is respectively arranged at built in two groups on hanger rail 2, the structure composition of two groups of driving assemblies
It is identical and be respectively arranged on two groups of driving sliding rails 4, the structure composition of two groups of curtain doors 3 it is identical and respectively with two built-in hanger rails 2
It respectively corresponds.
Claims (8)
1. a kind of driving assembly of lateral sliding door, the lateral sliding door includes external hanger rail (1), is set to the external hanger rail (1)
Any end and to the inside of the lateral sliding door extend built-in hanger rail (2) and along the length direction of the external hanger rail (1)
Slidingtype is assemblied on external hanger rail (1) and can slide to the curtain door (3) of built-in hanger rail (2), and the curtain door (3) is hung close to built-in
One end slidingtype of rail (2) is assemblied on built-in hanger rail (2), which is characterized in that the driving component includes:
Be carried on the lateral wall on the inside of the built-in hanger rail (2), along the built-in hanger rail (2) the driving that is arranged of length direction it is sliding
Rail (4)；It is assemblied in driving sliding rail (4) along the length direction slidingtype of driving sliding rail (4), is close with the curtain door (3)
The driving sliding block (5) of one end connection of built-in hanger rail (2)；With it is described driving sliding block (5) top surface be bonded, can be along the driving
The mobile closing piece (6) of the length direction of sliding rail (4)；
And it is carried on driving sliding rail (4), the driving external member for driving the closing piece (6) mobile；
Wherein, it is provided through vertically slip hole (51) on the driving sliding block (5), sliding is provided in the slip hole (51)
Locking bar (52)；The locked groove (61) communicated with slip hole (51), the top of the locking bar (52) are provided on the bottom surface of the closing piece (6)
End is extend into locked groove (61), and bottom end reaches slip hole (51) outside；
The elastic external member for preventing locking bar (52) to be detached from locked groove (61), the closing piece (6) are provided on driving sliding block (5)
Bottom surface on and be located at locked groove (61) close to external hanger rail (1) a lateral edge driving sliding block (5) glide direction be provided with guiding
Slot (62), inner sidewall of the guide groove (62) close to locked groove (61) tilt down setting.
2. a kind of driving assembly of lateral sliding door according to claim 1, it is characterised in that: the closing piece (6) slides along driving
The end face at the both ends of block (5) glide direction tilts down setting.
3. a kind of driving assembly of lateral sliding door according to claim 1, it is characterised in that: the bottom of driving sliding rail (4)
Face is provided with installation cavity (41) along its length；Length direction in the installation cavity (41) along driving sliding rail (4) is provided with
Driving sliding slot (42), the first key way (43) and the second key way (44) that Open Side Down；First key way (43) is located at driving and slides
Slot (42) is located at the other side of driving sliding slot (42) close to the side of built-in hanger rail (2), second key way (44)；
The driving external member includes drive sprocket (45), driven sprocket (46) and motor (47)；Driven sprocket (46) setting
In installation cavity (41) on the bottom wall of the one end of external hanger rail (1), it is another that the drive sprocket (45) is set to installation cavity (41)
On the bottom wall of one end；The axis of the drive sprocket (45) and driven sprocket (46) is vertical with the bottom wall of installation cavity (41), institute
It states drive sprocket (45) and driven sprocket (46) stretches in the first key way (43) and the second key way (44)；First key way
(43) and in the second key way (44) it is provided with the chain engaged with drive sprocket (45) and driven sprocket (46) jointly；
The motor (47) be set to driving sliding rail (4) far from external hanger rail (1) one end, the drive shaft of the motor (47) with
Drive sprocket (45) is coaxially connected；The top of driving sliding block (5) and driving sliding slot (42) sliding connect, the driving sliding block
(5) bottom end is connect with curtain door (3) close to the one end of built-in hanger rail (2)；Closing piece (6) sliding is set to the second key way (44)
Interior, the top surface of the closing piece (6) is fixedly connected with chain.
4. a kind of driving assembly of lateral sliding door according to claim 3, it is characterised in that: the closing piece (6) and chain are logical
It crosses and is bolted.
5. a kind of driving assembly of lateral sliding door according to claim 1, it is characterised in that: the inside of the slip hole (51)
Its circumferential direction is provided with installation annular groove (53) on wall, the elastic external member includes that setting is close closing piece (6) in installation annular groove (53)
One end, can along the limited block (54) of the length direction sliding of installation annular groove (53), the limited block (54) and locking bar (52)
Lateral wall is fixedly connected；The limited block (54) and installation annular groove (53) are flexible far from connecting between the inner sidewall of closing piece (6)
Connector (55).
6. a kind of driving assembly of lateral sliding door according to claim 5, it is characterised in that: the flexible connector (55) is
Spring, one end and the limited block (54) of the spring offset, and the other end of the spring and installation annular groove (53) are far from closing piece (6)
Inner sidewall offset.
7. a kind of driving assembly of lateral sliding door according to claim 1, it is characterised in that: the locking bar (52) reaches cunning
It moves on the lateral wall of the one end of hole (51) outside and is provided through radial hole (56).
8. a kind of driving assembly of lateral sliding door according to claim 7, it is characterised in that: the locking bar (52) reaches cunning
It moves on the end face of the one end of hole (51) outside and is provided with axial hole (57).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821145373.8U CN209145439U (en) | 2018-07-18 | 2018-07-18 | A kind of driving assembly of lateral sliding door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821145373.8U CN209145439U (en) | 2018-07-18 | 2018-07-18 | A kind of driving assembly of lateral sliding door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209145439U true CN209145439U (en) | 2019-07-23 |
Family
ID=67264934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821145373.8U Active CN209145439U (en) | 2018-07-18 | 2018-07-18 | A kind of driving assembly of lateral sliding door |
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| Country | Link |
|---|---|
| CN (1) | CN209145439U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566091A (en) * | 2019-08-21 | 2019-12-13 | 南京智华博智能科技有限公司 | Intelligent household window with air purification function and purification system |
-
2018
- 2018-07-18 CN CN201821145373.8U patent/CN209145439U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566091A (en) * | 2019-08-21 | 2019-12-13 | 南京智华博智能科技有限公司 | Intelligent household window with air purification function and purification system |
| CN110566091B (en) * | 2019-08-21 | 2021-05-07 | 南京智华博智能科技有限公司 | Intelligent household window with air purification function and purification system |
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