CN106761111A - A kind of movable shutting window device - Google Patents
A kind of movable shutting window device Download PDFInfo
- Publication number
- CN106761111A CN106761111A CN201710001801.3A CN201710001801A CN106761111A CN 106761111 A CN106761111 A CN 106761111A CN 201710001801 A CN201710001801 A CN 201710001801A CN 106761111 A CN106761111 A CN 106761111A
- Authority
- CN
- China
- Prior art keywords
- stay
- window
- positioning seat
- sleeve
- auxiliary tank
- 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.)
- Granted
Links
Classifications
-
- 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
- E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
- E05F3/22—Additional arrangements for closers, e.g. for holding the wing in opened or other position
- E05F3/221—Mechanical power-locks, e.g. for holding the wing open or for free-moving zones
Abstract
The present invention relates to a kind of movable shutting window device, it is arranged between window frame and window side frame, wherein window is rotatably arranged in window frame from top around horizontal axis line direction, the shutting window device includes the device body and the positioning seat that are separately mounted in window frame and window side frame, the stay that rearward end is connected on device body and leading section extends to positioning seat, it is located on positioning seat and the activity of relative stay and is locked so that the locking piece that window is positioned at open mode by stay is relative with positioning seat, and the unlock piece for driving locking piece to unlock to cause stay relative positioning seat actively to close window, wherein when a fire, unlock piece can be according to indoor temperature information, it is automatic to unlock stay and positioning seat, window to automatically reset and close window frame.The present invention quickly and accurately can close window when there is fire, effectively prevent spreading for the intensity of a fire, meanwhile, simple structure is easy to use, and low cost.
Description
Technical field
The present invention relates to a kind of movable shutting window device.
Background technology
Shutting window device its mainly have two kinds of formation：One kind is electronic shutting window device；Another kind is the work using theory of mechanics control
Dynamic formula shutting window device.It is mainly used in all kinds of movable type fireproof windows, and main effect is embodied in two aspects：On the one hand, it can
Effectively fire window is strutted and positioned, ventilation and daylighting effect is improved；On the other hand, when a fire, it can be automatic
Closure window, prevents the circulation of air, so as to control spreading for the intensity of a fire.
However, the shutting window device that in the market is used, it has the following general character：
1）, complex structure, inconvenient operation also easily occurs unexpected；
2）, cost of manufacture it is high, there is no the advantage of market competition.
The content of the invention
The technical problems to be solved by the invention are to overcome the deficiencies in the prior art, there is provided a kind of brand-new movable to close window
Device.
In order to solve the above technical problems, the present invention is adopted the following technical scheme that：
A kind of movable shutting window device, it is arranged between window frame and window side frame, wherein window from top around trunnion axis
Heart line direction is rotatably arranged in window frame, and the shutting window device includes the device sheet being separately mounted in window frame and window side frame
Body and positioning seat, rearward end are connected on device body and leading section extends to positioning seat stay, it is located on positioning seat and relative
Stay activity is simultaneously locked so that window is positioned at the locking piece of open mode and for driving by stay is relative with positioning seat
Unlock piece of the locking piece unblock to cause stay relative positioning seat actively to close window, wherein when a fire, unblock
Part automatically can unlock stay and positioning seat according to indoor temperature information, and window to automatically reset and close window frame.
Preferably, rotation return unit is installed on device body, the rearward end of stay is arranged on rotation return unit, works as window
When family is in open mode, rotates return unit and be in stress, stay is locked with positioning seat；When stay and positioning seat are unlocked
When, stay is relatively moved with positioning seat, is rotated return unit and is ordered about stay reset, is closed window frame with causing that window resets.
By rotating the setting of return unit, can quickly and ensure window by window frame all close, by indoor closing, so that more effectively
Prevent spreading for the intensity of a fire.
A specific implementation of the invention and preferred aspect, are respectively equipped with lock hole and along from height on stay
The elongated hole that degree direction extends, wherein elongated hole is connected with lock hole, and locking piece includes the lock being fixedly installed on positioning seat
Bolt, wherein locking bolt can be movably arranged as in elongated hole, and when window opens the position for needing, locking bolt is fastened on lock hole
In, stay locking relative with positioning seat.
Preferably, unlock piece includes the solution that relative stay is slided and can be pushed out to from lock hole locking bolt in elongated hole
Lock tube and the drive mechanism of driving unlocking sleeve motion.
Further, unlocking sleeve includes the solution lock panel being fitted on the stay and is located at solution lock panel both sides general
The bound edge of the two sides cladding of stay.
A specific implementation of the invention and preferred aspect, are provided with and lock hole and elongated hole phase in solution lock panel
The unblock auxiliary tank and elongated auxiliary tank being correspondingly arranged, wherein unblock auxiliary tank is connected with elongated auxiliary tank, when stay with it is fixed
When position seat is locked, unblock auxiliary tank and lock hole, elongated hole and elongated auxiliary tank align setting respectively, and locking bolt sequentially passes through unblock
Auxiliary tank and lock hole；When unblock is needed, solution lock panel is driven, locking bolt is pushed out to length from lock hole by unblock auxiliary tank
In shape hole and elongated auxiliary tank, so that locking bolt is slided with respect to elongated hole and elongated auxiliary tank.
Preferably, unblock auxiliary tank and lock hole has multiple and one-to-one corresponding to set respectively.So as to window locking be existed
The angle that difference is opened.
Further, unblock auxiliary tank is unidirectional groove, and when unlocking sleeve is moved along stay to stay leading section, locking bolt is certainly
Lock hole is moved to elongated hole, and positioning seat is unlocked with stay.In other words, if unlocking sleeve is moved along stay to stay rearward end
When, now locking bolt cannot be released lock hole, so that cannot unlock, that is, so-called unidirectional groove.
Specifically, being provided with location-plate in the stress end of solution lock panel, drive mechanism includes be fixed on stay first
Fixed plate and the second fixed plate, the length direction along stay and the sleeve being movably arranged as in the first fixed plate, positioned at set
Cylinder in and order about elastic component from sleeve to location-plate movement tendency, be arranged on sleeve ends and positioned at the first fixed plate and second
Limiting plate and both ends between fixed plate are respectively supported at the glass column between limiting plate and the first fixed plate, wherein covering
Cylinder one end closure, it is another open wide, the one end of elastic component contradict contradicted in the closure end of sleeve, the other end it is solid second
In fixed board, when a fire, glass column is quick-fried broken with the rising of indoor temperature, and elastic component recovers deformation and pushes sleeve to institute
The location-plate stated, and drive unlocking sleeve to slide unblock by location-plate.
Further, drive mechanism also includes the pilot pin being arranged on location-plate, the periphery for being set in pilot pin and two
End contradicts the spring between the bolt cap and location-plate of pilot pin, and the bolt head of wherein pilot pin is connected on sleeve, and fixed
Position bolt can be movably arranged as on location-plate, when manual-lock window is needed, can directly stir location-plate so that location-plate
Close to bolt cap, unlocking sleeve is moved along stay to stay leading section, so as to realize that positioning seat is unlocked with stay.
Due to the implementation of above technical scheme, the present invention has the following advantages that compared with prior art：
The present invention quickly and accurately can close window when there is fire, effectively prevent spreading for the intensity of a fire, meanwhile,
Simple structure, it is easy to use, and low cost.
Brief description of the drawings
The present invention will be further described in detail with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the dimensional structure diagram of movable shutting window device of the invention（Save window and frame）；
Fig. 2 is the schematic front view of Fig. 1；
Fig. 3 is the left view schematic diagram of Fig. 2；
Wherein：1st, window frame；2nd, device body；3rd, positioning seat；4th, stay；40th, lock hole；41st, elongated hole；5th, locking piece；50th, lock
Bolt；6th, unlock piece；60th, unlocking sleeve；60a, solution lock panel；A, unblock auxiliary tank；B, elongated auxiliary tank；60b, bound edge；61st, drive
Mechanism；61a, the first fixed plate；61b, the second fixed plate；61c, sleeve；61d, elastic component；61e, limiting plate；61f, glass column；
61g, pilot pin；61h, spring；7th, return unit is rotated；8th, location-plate.
Specific embodiment
As shown in Figure 1 to Figure 3, the present embodiment provides a kind of movable shutting window device, and it is arranged on window frame 1 and window side
Frame（Do not shown in figure）Between, wherein window is rotatably arranged in window frame 1 from top around horizontal axis line direction, and this is closed
Window device includes that the device body 2 being separately mounted in window frame 1 and window side frame and positioning seat 3, rearward end are connected to device body 2
Stay 4 that upper and leading section extends to positioning seat 3, it is located on positioning seat 3 and the relative activity of stay 4 and by stay 4 and positioning seat 3
It is relative to be locked so that window is positioned at the locking piece 5 of open mode and for driving locking piece 5 to unlock to cause stay 4
The unlock piece 6 that relative positioning seat 3 actively closes window, wherein when a fire, unlock piece 6 can be according to indoor temperature
Degree（Or the flue gas produced by burning）Information, automatically unlocks stay 4 with positioning seat 3, and window to automatically reset and close window frame 1
Close.
In this example, involved window is to open from inside to outside, therefore, the position of strut is change, therefore defines strut
The end for outwardly opening is leading section, is rearward end positioned at indoor end.
Specifically, for the ease of the closure of window, rotation return unit 7, the rearward end of stay 4 are provided with device body 2
It is arranged on rotation return unit 7, when window is in open mode, rotates return unit 7 and be in stress, stay 4 and positioning
Seat 3 is locked；When stay 4 and positioning seat 3 are unlocked, stay 4 is relatively moved with positioning seat 3, is rotated return unit 7 and is ordered about stay 4
Reset, closed window frame with causing that window resets.Here, the setting by rotating return unit 7, quickly and can ensure that window will
Window frame is all closed, by indoor closing, so as to more effectively prevent spreading for the intensity of a fire.
Lock hole 40 and the elongated hole 41 extended along its length direction, wherein elongated hole are respectively equipped with stay 4
41 are connected with lock hole 40, and locking piece 5 includes the locking bolt 50 being fixedly installed on positioning seat 3, and wherein locking bolt 50 being capable of activity
Be arranged in elongated hole 41, when window open need position when, locking bolt 50 from elongated hole 41 be moved to lock hole 40 and card
It is located in lock hole 40, the locking relative with positioning seat 3 of stay 4.
Therefore, in this example, lock hole 40 has multiple and is spaced apart, so as to window to be locked in the angle of different openings.
Meanwhile, unlock piece 6 includes that relative stay 4 is slided and locking bolt 50 can be pushed out into elongated hole 41 from lock hole 40
In unlocking sleeve 60 and drive unlocking sleeve 60 motion drive mechanism 61.
Further, unlocking sleeve 60 includes the solution lock panel 60a being fitted on stay 4 and is located at solution lock panel 60a two
The bound edge 60b that side coats two sides of stay 4.So, the motion side of unlocking sleeve 60 and stay 4 is explicitly defined very much
To.
Unblock auxiliary tank a with lock hole 40 and the corresponding setting of elongated hole 41 and elongated is provided with solution lock panel 60a
Auxiliary tank b, wherein unblock auxiliary tank a is connected with elongated auxiliary tank b, when stay 4 and positioning seat 3 are locked, unlocks auxiliary tank a
Alignd respectively setting with lock hole 40, elongated hole 41 and elongated auxiliary tank b, locking bolt 50 sequentially passes through unblock auxiliary tank a with locking
Hole 40；When unblock is needed, solution lock panel 60a is driven, locking bolt 50 is pushed out to from lock hole 40 by unblock auxiliary tank a elongated
In hole 41 and elongated auxiliary tank b, so that locking bolt 50 is slided with respect to elongated hole 41 and elongated auxiliary tank b.
Specifically, unblock auxiliary tank a and lock hole 40 have multiple respectively, and correspond setting.So as to by window locking
In the angle of different openings.
Specifically, unblock auxiliary tank a is unidirectional groove, and when unlocking sleeve 60 is moved along stay 4 to stay leading section, locking bolt
50 are moved from lock hole 40 to elongated hole 41, and positioning seat 3 is unlocked with stay 4.In other words, if unlocking sleeve 60 along stay 4 to
When the rearward end of stay 4 is moved, now locking bolt 50 cannot be released lock hole, so that cannot unlock, that is, so-called list
To groove.
Further, location-plate 8 is provided with the stress end of solution lock panel 60a, the location-plate 8 is to self solve lock panel 60a
Stress end be folded upward at forming（It is wholely set）.
Drive mechanism 61 includes being fixed on the first fixed plate 61a and the second fixed plate 61b on stay 4, along stay 4
Length direction and be movably arranged as on the first fixed plate 61a sleeve 61c, in sleeve 61c and order about sleeve 61c to
The elastic component 61d of the movement tendency of location-plate 8, it is arranged on sleeve 61c ends and positioned at the first fixed plate 61a and the second fixed plate
Limiting plate 61e and both ends between 61b are respectively supported at the glass column between limiting plate 61e and the first fixed plate 61a
61f, its middle sleeve 61c one end closure, it is another open wide, the one end of elastic component 61d is contradicted in the closure end of sleeve 61c, another
One end is contradicted on the second fixed plate 61b, and when a fire, glass column 61f is quick-fried broken with the rising of indoor temperature, bullet
Property part 61d recover deformation and push sleeve 61c to location-plates 8, and drive unlocking sleeve 60 to slide unblock by location-plate 8.
Specifically, the first fixed plate 61a and the second fixed plate 61b be arranged in parallel, and it is vertically fixed on stay 4；Positioning
Plate 8 be arranged in parallel with the first fixed plate 61a and the second fixed plate 61b, and outline also flushes setting；Sleeve 61c can be from
The middle part of one fixed plate 61a passes through and sets.
The setting of elastic component 61d, mainly there is two purposes：First, it is easy to the location and installation of glass column 61f；2nd, glass is worked as
Post occur it is quick-fried it is broken after, its cause sleeve 61c reset, so as to promote the slip of unlocking sleeve 60 to unlock.
Further, the drive mechanism 61 also includes the pilot pin 61g being arranged on location-plate 8, is set in pilot pin 61g
Periphery and both ends contradict spring 61h between the bolt cap and location-plate 8 of pilot pin 61g, wherein the bolt head of pilot pin 61g
Portion is connected on sleeve 61c（Close the middle part of end）, and pilot pin 61g can be movably arranged as on location-plate 8, its setting
Purpose be mainly：Facilitate manually operated, when manual-lock window is needed, can directly stir location-plate 8 so that location-plate 8
Close to bolt cap, unlocking sleeve 60 is moved along stay 4 to the leading section of stay 4, so as to realize that positioning seat 3 is unlocked with stay 4.
In sum, in the present embodiment, shutting window device has two use states：
First, under in a safe condition, can adopt manually, stir location-plate 8, by location-plate 8 drive unlocking sleeve 60 along
The length direction of stay 4 is moved forward, so that during locking bolt 50 is pushed into elongated hole 40 and elongated auxiliary tank b from lock hole 40,
So that stay 4 is unlocked with positioning seat 3, and in the presence of return unit 7 is rotated, locking bolt 50 is along elongated hole 40 and elongated auxiliary tank
B forward slips, so as to window be closed.
2nd, under in the hole（During fire）, glass column 61f occur with being gradually increasing for indoor temperature it is quick-fried broken,
Elastic component 61d order about sleeve 61c reset, then pushing tow location-plate 8 and push unlocking sleeve 60 along stay 4 length direction forward
It is mobile, so as to during locking bolt 50 is pushed into elongated hole 40 and elongated auxiliary tank b from lock hole 40 so that stay 4 is solved with positioning seat 3
Lock, and in the presence of return unit 7 is rotated, locking bolt 50 along elongated hole 40 and elongated auxiliary tank b forward slips, so as to by window
Closure.
The present invention is described in detail above, its object is to allow the personage for being familiar with this art to will appreciate that this
The content of invention is simultaneously carried out, and it is not intended to limit the scope of the present invention, and the invention is not restricted to above-mentioned implementation
Example, the equivalent change or modification that all Spirit Essences of the invention are made should all cover in protection scope of the present invention.
Claims (10)
1. a kind of movable shutting window device, it is arranged between window frame and window side frame, wherein described window from top around
Horizontal axis line direction to be rotatably arranged in described window frame, it is characterised in that：Described shutting window device includes pacifying respectively
Device body and positioning seat, rearward end in the window frame and the window side frame be connected on described device body and
Stay that leading section extends to the positioning seat, it is located on described positioning seat and relatively described stay activity and by the stay
It is relative with the positioning seat to be locked so that the window is positioned at the locking piece of open mode and for driving the locking
Unlock piece of the part unblock to cause the relatively described positioning seat of the stay actively to close the window, wherein when generation fire
When, described unlock piece automatically can unlock described stay with the positioning seat according to indoor temperature information, described
Window automatically resets window frame closure.
2. movable shutting window device according to claim 1, it is characterised in that：Rotation is installed on described device body multiple
Position part, the rearward end of the stay is arranged on the rotation return unit, and when the window is in open mode, described turns
Dynamic return unit is in stress, and described stay is locked with positioning seat；When the stay and positioning seat are unlocked, described support
Bar and positioning seat are relatively moved, and described rotation return unit orders about the stay and resets, to cause that described window reset will
The window frame closure.
3. movable shutting window device according to claim 1, it is characterised in that：Lock hole is respectively equipped with described stay
With the elongated hole extended along its length direction, wherein the elongated hole is connected with described lock hole, described locking
Part includes the locking bolt being fixedly installed on the positioning seat, wherein described locking bolt can be movably arranged as the elongated hole
In, when the window opens the position for needing, described locking bolt is fastened in the lock hole, and described stay is fixed with described
Position seat is relative to be locked.
4. movable shutting window device according to claim 3, it is characterised in that：Described unlock piece includes relatively described stay
Described in the unlocking sleeve for sliding and described locking bolt being pushed out in the elongated hole from described lock hole and driving
Unlocking sleeve motion drive mechanism.
5. movable shutting window device according to claim 4, it is characterised in that：Described unlocking sleeve includes being fitted in the support
Solution lock panel on bar and it is located at the bound edge that the solution lock panel both sides coat two sides of the stay.
6. movable shutting window device according to claim 5, it is characterised in that：Be provided with described solution lock panel with it is described
The unblock auxiliary tank and elongated auxiliary tank of lock hole setting corresponding with the elongated hole, wherein described unblock auxiliary tank and length
Shape auxiliary tank is connected, when described stay is locked with the positioning seat, described unblock auxiliary tank and the lock hole, institute
The elongated hole stated and the elongated auxiliary tank align setting respectively, and described locking bolt sequentially passes through described unblock auxiliary tank and institute
State lock hole；When unblock is needed, described solution lock panel is driven, by described unblock auxiliary tank by the locking bolt from the lock
Determine to be pushed out in the elongated hole and the elongated auxiliary tank in hole, so that the relatively described elongated hole of the locking bolt and described
Elongated auxiliary tank is slided.
7. described movable shutting window device according to claim 6, it is characterised in that：Described unblock auxiliary tank and described
Lock hole have respectively multiple and correspond and set.
8. described movable shutting window device according to claim 7, it is characterised in that：Described unblock auxiliary tank is unidirectional
Groove, when the unlocking sleeve is moved along described stay to the stay leading section, described locking bolt from the lock hole to
The elongated hole movement, described positioning seat is unlocked with the stay.
9. movable shutting window device according to claim 8, it is characterised in that：Set in the stress end of the solution lock panel
There is location-plate, described drive mechanism is including the first fixed plate being fixed on described stay and the second fixed plate, along institute
The sleeve stating the length direction of stay and be movably arranged as in first fixed plate, in the sleeve and order about institute
Elastic component from the sleeve stated to the location-plate movement tendency, be arranged on the sleeve ends and positioned at first fixed plate and
Limiting plate and both ends between second fixed plate are respectively supported between the limiting plate and first fixed plate
Glass column, wherein described sleeve one end closure, it is another open wide, the one end of the elastic component is contradicted in the sleeve
Closure end, the other end are contradicted in the second described fixed plate, and when a fire, described glass column is with Indoor Temperature
The rising of degree and it is quick-fried broken, described elastic component recovers deformation and pushes the sleeve to described location-plate, and by described positioning
Strip moves described unlocking sleeve and slides unblock.
10. movable shutting window device according to claim 9, it is characterised in that：Described drive mechanism also includes being arranged on
Pilot pin on the location-plate, the periphery and both ends for being set in the pilot pin contradict bolt cap and institute in the pilot pin
The spring between location-plate is stated, wherein the bolt head of the pilot pin is connected on described sleeve, and described pilot pin energy
Enough it is movably arranged as on described location-plate, when manual-lock window is needed, can directly stirs described location-plate so that
Location-plate is close to bolt cap, and described unlocking sleeve is moved along described stay to the stay leading section, so as to realize described
Positioning seat unlocked with the stay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710001801.3A CN106761111B (en) | 2017-01-03 | 2017-01-03 | A kind of movable shutting window device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710001801.3A CN106761111B (en) | 2017-01-03 | 2017-01-03 | A kind of movable shutting window device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106761111A true CN106761111A (en) | 2017-05-31 |
| CN106761111B CN106761111B (en) | 2018-01-16 |
Family
ID=58952158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710001801.3A Active CN106761111B (en) | 2017-01-03 | 2017-01-03 | A kind of movable shutting window device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106761111B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605318A (en) * | 2017-09-30 | 2018-01-19 | 苏州市富尔达科技股份有限公司 | A kind of warming shutting window device that can be closed automatically |
| CN107605317A (en) * | 2017-09-30 | 2018-01-19 | 苏州市富尔达科技股份有限公司 | A kind of warming shutting window device |
| CN107724838A (en) * | 2017-09-30 | 2018-02-23 | 苏州市富尔达科技股份有限公司 | A kind of chute-type automatic window closing device |
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| US6363575B1 (en) * | 1997-06-24 | 2002-04-02 | Geze Gmbh & Co. | Door actuating system |
| CN201129125Y (en) * | 2007-08-10 | 2008-10-08 | 深圳市龙电科技实业有限公司 | Temperature-sensitive self-closing fireproof casement window |
| CN202530903U (en) * | 2012-03-15 | 2012-11-14 | 肖贻勇 | Positioning release system for movable fire resisting window |
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| CN205387876U (en) * | 2016-03-03 | 2016-07-20 | 国网山东省电力公司胶州市供电公司 | Electrical equipment door body strutting arrangement |
| CN206346625U (en) * | 2017-01-03 | 2017-07-21 | 苏州市富尔达科技股份有限公司 | A kind of movable shutting window device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2074350U (en) * | 1990-08-23 | 1991-04-03 | 苏建明 | Draw hook at the top of the window sash |
| US6363575B1 (en) * | 1997-06-24 | 2002-04-02 | Geze Gmbh & Co. | Door actuating system |
| CN201129125Y (en) * | 2007-08-10 | 2008-10-08 | 深圳市龙电科技实业有限公司 | Temperature-sensitive self-closing fireproof casement window |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605318A (en) * | 2017-09-30 | 2018-01-19 | 苏州市富尔达科技股份有限公司 | A kind of warming shutting window device that can be closed automatically |
| CN107605317A (en) * | 2017-09-30 | 2018-01-19 | 苏州市富尔达科技股份有限公司 | A kind of warming shutting window device |
| CN107724838A (en) * | 2017-09-30 | 2018-02-23 | 苏州市富尔达科技股份有限公司 | A kind of chute-type automatic window closing device |
| CN107724838B (en) * | 2017-09-30 | 2023-10-13 | 苏州市富尔达科技股份有限公司 | Sliding chute type automatic window closing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106761111B (en) | 2018-01-16 |
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Inventor after: Zhu Like Inventor after: Nie Fei Inventor before: Nie Fei |