CN110185349A - Door and window opens and closes auxiliary body and door and window opening/closing system - Google Patents
Door and window opens and closes auxiliary body and door and window opening/closing system Download PDFInfo
- Publication number
- CN110185349A CN110185349A CN201910613968.4A CN201910613968A CN110185349A CN 110185349 A CN110185349 A CN 110185349A CN 201910613968 A CN201910613968 A CN 201910613968A CN 110185349 A CN110185349 A CN 110185349A
- Authority
- CN
- China
- Prior art keywords
- door
- window
- traction rope
- reel
- auxiliary body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
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
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
- E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
- E05F1/1041—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis
- E05F1/1066—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis with a traction spring
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a kind of door and window opening and closing auxiliary body and door and window opening/closing systems, shaft including fixed pedestal and on fixed pedestal, there are two the first reels and the second reel of different spiral slot outer diameters in shaft, the outer end of the second traction rope on second reel is connected on the door and window that can laterally open, and the first traction rope on the first reel connects a fixed elastic component in one end.When door and window is opened, elastic component is stretched, and limitation shaft rotation, the second traction rope gives door and window one inside active force, makes the slow drop of door and window；When door and window is closed, elastic component screen resilience gives shaft active force, makes the second traction rope still give door and window one inside active force, closing assisted door and window.Entire mechanism structure is simple, production is lower, and the size of two spiral slot outer diameters and traction rope length can be arranged according to specific opening of doors and windows stroke, to be adapted to the door and window of different size, versatility is stronger.
Description
Technical field
The present invention relates to the mechanism for opening/closing more particularly to a kind of door and window opening and closing auxiliary body of a kind of door leaf or sash and door and windows
Opening/closing system.
Background technique
With the raising of domestic security against fire consciousness and standard requirements, it is more and more to build vent window window opener.Window opener
It is the equipment that can be automatically opened or closed window by motor-driven, is mainly used for that position is higher, is not easy directly to open manually
The place opened, such as large-scale gymnasium, high-speed rail station, Commercial Complex, industrial premises or other public places.
The large-scale vent window mechanism for opening/closing and smoke evacuation window system that notification number is CN109555401A, it discloses electric window-openings
Machine and at least one two-way power-assisted unit, the electric window-opening machine and two-way power-assisted unit are connected to the sash of vent window simultaneously
On；Electric window-opening machine is that turning off or on for sash provides main force；When sash is closed, two-way power-assisted unit is always sash
The opening active force of one auxiliary is provided；When sash is opened, two-way power-assisted unit is always that sash provides the pass of an auxiliary
Close active force.
Notification number is the electric chain window-opening mechanism of CN107217942A, also discloses electric window-opening machine and gas spring or bullet
The servomechanism of spring push-down.
Gas spring in above-mentioned servomechanism, on the one hand its price is relatively high, and when promoting on a large scale, cost is larger；
On the other hand, the collapsing length constant of gas spring, the gas spring of some size can only correspond to adapt to some size
Vent window, it is universal relatively poor.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of novel door and windows to open and close auxiliary body；Further provide
Door and window opening/closing system with above-mentioned auxiliary body.
The technical scheme of the invention to solve the technical problem is: door and window opens and closes auxiliary body, including fixed base
Seat and the shaft on fixed pedestal set the reel there are two different spiral slot outer diameters in the shaft；First spiral
The first traction rope is wound on wheel, the first reel is arranged with elastic component, and one end of elastic component is fixed, elastic component it is another
End couples with the outer end of first traction rope；The second traction rope, second traction rope are wound on second reel
Outer end be connected on the door and window that can laterally open.
Of the invention advanced optimizes scheme are as follows: outside the spiral slot outer diameter of the first reel and the spiral slot of the second reel
Diameter ratio is 1:(2-5).
Of the invention advanced optimizes scheme are as follows: the elastic component is spring or is counterweight moving up and down.
Of the invention advanced optimizes scheme are as follows: spiral slot of the spiral slot outer diameter of the first reel less than the second reel
Outer diameter.
Of the invention advanced optimizes scheme are as follows: the fixed pedestal is a column, and the shaft is set to column
Upper position, the first traction rope extends downwardly and the spring fixed with one end is connect.
Of the invention advanced optimizes scheme are as follows: coupled between spring and the first traction rope by quick coupling, it is described
Quick coupling includes the first fixed block and the second fixed block, and it is solid that the lower end of the upper end of spring and the first traction rope is compressed in first
Determine between block and the second fixed block, holds out against screw passes through the first fixed block and holds out against spring and the first traction rope.
Of the invention advanced optimizes scheme are as follows: the column leans against beside door window frame.
Of the invention advanced optimizes scheme are as follows: the outer end of second traction rope is connected on the medial surface of door and window.
Of the invention advanced optimizes scheme are as follows: first traction rope or the second traction rope is wirerope.
Of the invention advanced optimizes scheme are as follows: door and window opening/closing system, including door and window, the electric window-opening machine that can laterally open
And the door and window opens and closes auxiliary body；The opening and closing of the electric window-opening machine driving door and window.
Compared with prior art, it is an advantage of the invention that setting in the shaft of door and window opening and closing auxiliary body there are two different spirals
The outer end of the first reel and the second reel of slot outer diameter, the second traction rope on the second reel is connected in and can laterally open
Door and window on, the first traction rope on the first reel connects a fixed elastic component in one end.When door and window is opened, bullet
Property part be stretched, limitation shaft rotation, the second traction rope gives door and window one inside active force, makes the slow drop of door and window；When door and window is closed
When closing, elastic component screen resilience gives shaft active force, makes the second traction rope still give door and window one inside active force, closing assisted door
Window.Entire mechanism structure is simple, production is lower, and the size of two spiral slot outer diameters and traction rope length can be according to specific doors
The setting of window opening travel, to be adapted to the door and window of different size, versatility is stronger.
Detailed description of the invention
The present invention is explained in further detail below with reference to attached drawing and preferred embodiment, but art technology
Personnel it will be appreciated that, these attached drawings are drawn for the purpose for explaining preferred embodiment, and therefore should not be made
For limitation of the scope of the invention.In addition, unless otherwise indicated, attached drawing is only shown in the group for conceptually indicating described object
At or construction and may include that expansiveness show that and attached drawing is also not necessarily drawn to scale.
Schematic diagram when Fig. 1 is the opening of doors and windows of a preferred embodiment of the present invention；
Fig. 2 is the schematic diagram when door and window of a preferred embodiment of the present invention is closed；
Partial enlargement diagram one when Fig. 3 is the opening of doors and windows of a preferred embodiment of the present invention；
Partial enlargement diagram two when Fig. 4 is the opening of doors and windows of a preferred embodiment of the present invention；
Fig. 5 is the partial enlargement diagram one when the door and window of a preferred embodiment of the present invention is closed；
Fig. 6 is the partial enlargement diagram two when the door and window of a preferred embodiment of the present invention is closed；
Fig. 7 is that the door and window of a preferred embodiment of the present invention opens and closes the schematic diagram one of auxiliary body；
Fig. 8 is that the door and window of a preferred embodiment of the present invention opens and closes the schematic diagram two of auxiliary body；
Fig. 9 is that the door and window of a preferred embodiment of the present invention opens and closes the partial enlarged view of auxiliary body；
Figure 10 is the schematic diagram of the quick coupling of a preferred embodiment of the present invention.
Specific embodiment
Carry out detailed description of the present invention preferred embodiment below with reference to attached drawing.What those of skill in the art will be appreciated that
It is that these descriptions are only descriptive, illustrative, and should not be interpreted as limiting protection scope of the present invention.It should infuse
Anticipate to: similar label indicates similar terms in following attached drawing, therefore, once be defined in a certain Xiang Yi attached drawing, then
May no longer it further be defined and be explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation or position of the instructions such as term " on ", "lower", "inner", "outside"
Set relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when the orientation or position usually put
Relationship is set, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term
" first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
As is known to the person skilled in the art, door and window opening/closing system includes electric window-opening machine 02, passes through motor driven window
Fan, to open or close window；In airport building, high-speed rail station, conference and exhibition center, industrial premises or other public places etc.
Sash realization can be automatically opened or closed using door and window opening/closing system on the vent window that position is higher, should not be manually opened.
And heavy construction generallys use the biggish vent window of area, general area has 5-6 ㎡, and weight is up to 200-300KG；
When vent window lateral opening, the stroke of electric window-opening machine 02 is 2-3 meters.Gas spring is generallyd use in traditional technology as auxiliary
Mechanism provides assistance force for turning off or on for sash, reduces the load of electric window-opening machine 02, door and window opening/closing system is more
Efficiently, stablize, is reliable.But gas spring price is relatively high, when promoting on a large scale, cost is larger；On the other hand, gas bullet
The collapsing length constant of spring, it is universal relatively poor.
Door and window opening/closing system as shown in the figure, including door and window 01, the electric window-opening machine 02 that can laterally open from top to bottom, electricity
Dynamic window opener 02 is that turning off or on for door and window 01 provides main force.Electric window-opening machine 02 can be chain window-opening machine or push away
Rod-type window opener.Unlike traditional technology, the present invention provides that a kind of structure is simple, the production stronger door of lower and versatility
Window opens and closes auxiliary body 03, and auxiliary electric window opener 02 carries out door and window 01 to be automatically opened or closed operation.
As shown in Figs 1-4, in the present embodiment, the main body 021 of electric window-opening machine 02 is fixed on the door window frame 04 of the inside
End, the traction end 022 of electric window-opening machine 02 are connect with the upper side edge of door and window 01；Two door and window opening and closing auxiliary bodies 03 are symmetrically installed
04 both sides of door window frame inside, so that 01 both sides of door and window always by balanced active force, reach and well reliably to close
Purpose.
As shown in figs 1-9, door and window opens and closes auxiliary body 03, including fixed pedestal 1, and fixed pedestal 1 is vertical with bottom plate 2
Column 3, bottom plate 2 are located at 3 bottom of column, and column 3 is by 04 side of door window frame on both sides inside, and with fixing piece and door and window
Frame 04 is fixed.
The upper position of column 3 is equipped with a shaft 4, and the door window frame 04 of 4 extending direction of shaft and lower end is consistent, and exposes
Door window frame 04 in inside.Shaft 4 and 3 axial restraint of column, radially can 360 degree rotate freely.
Two reel concentric co-axials are mounted on 4 free end of shaft, are the first reel 5 close to column 3, far from vertical
Column 3 is the second reel 6.First reel 5 and the second reel 6 and shaft 4 are radially fixed, can 4 synchronous rotary around the shaft.
Specifically, it is provided with first volume wire casing 9 and volume Two wire casing 10 on the first reel 5 and the second reel 6, point
It is not wound with the first traction rope 7 and the second traction rope 8.First volume wire casing 9 is different with 10 outer diameter of volume Two wire casing, first volume wire casing 9
Outer diameter is less than 10 outer diameter of volume Two wire casing.
The size and traction rope length that should be noted that two spiral slot outer diameters can be according to specific 01 opening travels of door and window
Setting, to be adapted to the door and window of different size.Preferably, 9 outer diameter of first volume wire casing and 10 outer diameter ratio of volume Two wire casing are 1:(2-
It 5), specifically, can be with 1:3 or 1:4 or 1:5.
First traction rope 7 and 8 winding direction of the second traction rope rotate on the contrary, working as shaft 4, when the second traction rope 8 is released,
First traction rope 7 is retracted, and vice versa.
The lower section of first reel 5 is equipped with an elastic component vertically, and elastic component one end is fixed on a base plate 2, one end with to downward
The outer end for the first traction rope 7 stretched couples.In the present embodiment, the tension spring 11 of the preferred cylindrical type of elastic component.
8 one end of the second traction rope on second reel 6, which extends outwardly, to be fixed on outer end and is connected in the door that can laterally open
On window 01.Consider from topology layout, the second traction rope 8 is fixed on the inside of door and window 01.
Traction rope need to fight the gravity of door and window 01 itself, the negative pressure outside high vacant building sash to draw door and window 01
The effects of power, generally to its intensity have relatively be strict with, thus preferably use wirerope.
Further, as shown in Fig. 6,9, coupled between tension spring 11 and the first traction rope 7 by a quick coupling 05,
Quick coupling 05 includes the first fixed block 12 and the second fixed block 13, has one between the first fixed block 12 and the second fixed block 13
The lower end of set a distance, the upper end of tension spring 11 and the first traction rope 7 is compressed in the first fixed block 12 and the second fixed block 13
Between, and the two does not intervene mutually, tension spring 11 is under, and the first traction rope 7 is upper.Two holds out against screw 14 pass through the first fixed block
12 rotate inward and hold out against tension spring 11 and the first traction rope 7 respectively.Tension spring 11 can also use counterweight moving up and down
Instead of.
As Figure 1-10 shows, the door and window opening and closing each component of auxiliary body 03 synergistic effect realizes function, specific to its below
Working principle is illustrated.
When door and window 01 is opened from closed state, electric window-opening machine 02 drives the lateral opening from top to bottom of door and window 01, at this point, the
Two traction ropes 8 are stretched, and drive the rotation of the second reel 6, to make coaxial mounted first reel 5 is also synchronous therewith to turn
It is dynamic.First traction rope 7 of reverse-winding, which is retracted, to be straightened, so that one end of tension spring 11 up be drawn, makes tension spring
11 are stretched.7 one active force of the first traction rope is given in the anti-deformation of tension spring 11, restrains the rotation of the first reel 5, that is, the
The rotation of two reels 6, the second traction rope 8 are tightened, and tensile speed slows down, and are provided door and window 01 1 inside active forces, are subtracted
The speed that slow door and window 01 declines, avoids leading to danger because heavy 01 inertia of door and window is excessive, reduces gravity to electric window-opening machine
02 traction end, 022 load, keeps opening process more stable.
When door and window 01 is closed from open state, the screen resilience that tension spring 11 is saved stretches the first traction rope 7, thus instead
To the first reel 5 of rotation, the second reel 6 is rotated with, and realizes the contraction to the second traction rope 8, and the second traction rope 8 provides
Give door and window 01 1 inside active forces, to reduce doing for the manpower or motor during door and window 01 manually or electrically retracts
Function keeps pass window process more light.
The auxiliary body and door and window opening/closing system of door and window provided by the present invention opening and closing are described in detail above, this
Apply that a specific example illustrates the principle and implementation of the invention in text, the explanation of above example is only intended to
Help understands the present invention and core concept.It should be pointed out that for those skilled in the art, not departing from this
, can be with several improvements and modifications are made to the present invention under the premise of inventive principle, these improvement and modification also fall into the present invention
In scope of protection of the claims.
Claims (10)
1. door and window opens and closes auxiliary body, it is characterised in that the shaft including fixed pedestal and on fixed pedestal, described turns
The reel there are two different spiral slot outer diameters is set on axis；The first traction rope is wound on first reel, under the first reel
It is provided with elastic component, one end of elastic component is fixed, and the other end of elastic component couples with the outer end of first traction rope；The
The second traction rope is wound on two reels, the outer end of second traction rope is connected on the door and window that can laterally open.
2. door and window according to claim 1 opens and closes auxiliary body, it is characterised in that the spiral slot outer diameter of the first reel with
The spiral slot outer diameter ratio of second reel is 1:(2-5).
3. door and window according to claim 1 opens and closes auxiliary body, it is characterised in that the elastic component is spring.
4. door and window according to claim 1 opens and closes auxiliary body, it is characterised in that the spiral slot outer diameter of the first reel is small
In the spiral slot outer diameter of the second reel.
5. door and window according to claim 1 opens and closes auxiliary body, it is characterised in that the fixed pedestal is a column, institute
The shaft stated is set to the upper position of column, and the first traction rope extends downwardly and the spring fixed with one end is connect.
6. door and window according to claim 5 opens and closes auxiliary body, it is characterised in that pass through between spring and the first traction rope
Quick coupling connection, the quick coupling include the first fixed block and the second fixed block, the upper end of spring and the first traction rope
Lower end be compressed between the first fixed block and the second fixed block, holds out against screw pass through the first fixed block hold out against spring and first
Traction rope.
7. door and window according to claim 5 opens and closes auxiliary body, it is characterised in that the column leans against by door window frame
Side.
8. door and window according to claim 1 opens and closes auxiliary body, it is characterised in that the outer end of second traction rope joins
It connects on the medial surface of door and window.
9. door and window according to claim 1 opens and closes auxiliary body, it is characterised in that first traction rope or second is led
Messenger is wirerope.
10. door and window opening/closing system, it is characterised in that including the door and window, electric window-opening machine and such as claim 1-9 that can laterally open
Any door and window opens and closes auxiliary body；The opening and closing of the electric window-opening machine driving door and window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910613968.4A CN110185349A (en) | 2019-07-09 | 2019-07-09 | Door and window opens and closes auxiliary body and door and window opening/closing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910613968.4A CN110185349A (en) | 2019-07-09 | 2019-07-09 | Door and window opens and closes auxiliary body and door and window opening/closing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110185349A true CN110185349A (en) | 2019-08-30 |
Family
ID=67725472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910613968.4A Withdrawn CN110185349A (en) | 2019-07-09 | 2019-07-09 | Door and window opens and closes auxiliary body and door and window opening/closing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110185349A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165711A (en) * | 2021-12-08 | 2022-03-11 | 深圳市鑫帝视觉技术有限公司 | Large curved surface LED display screen |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201106351Y (en) * | 2007-08-10 | 2008-08-27 | 宁波信泰机械有限公司 | Stayed cable open and close system of automatic door for automobile |
| WO2011098528A1 (en) * | 2010-02-11 | 2011-08-18 | Hörmann KG Verkaufsgesellschaft | Swing door drive device |
| CN202227867U (en) * | 2011-08-10 | 2012-05-23 | 浙江为尚机械有限公司 | Automatic window opening and closing device of plant |
| CN202990677U (en) * | 2012-12-14 | 2013-06-12 | 甘肃农业大学 | Automatic door closing device |
| CN203362417U (en) * | 2013-06-28 | 2013-12-25 | 浙江师范大学 | Door pushing type electric generator |
| CN109555401A (en) * | 2019-01-30 | 2019-04-02 | 宁波合力伟业消防科技有限公司 | Large-scale vent window mechanism for opening/closing and smoke evacuation window system |
| CN210422270U (en) * | 2019-07-09 | 2020-04-28 | 宁波合力伟业消防科技有限公司 | Door and window opens and close auxiliary mechanism and door and window system of opening and close |
-
2019
- 2019-07-09 CN CN201910613968.4A patent/CN110185349A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201106351Y (en) * | 2007-08-10 | 2008-08-27 | 宁波信泰机械有限公司 | Stayed cable open and close system of automatic door for automobile |
| WO2011098528A1 (en) * | 2010-02-11 | 2011-08-18 | Hörmann KG Verkaufsgesellschaft | Swing door drive device |
| CN202227867U (en) * | 2011-08-10 | 2012-05-23 | 浙江为尚机械有限公司 | Automatic window opening and closing device of plant |
| CN202990677U (en) * | 2012-12-14 | 2013-06-12 | 甘肃农业大学 | Automatic door closing device |
| CN203362417U (en) * | 2013-06-28 | 2013-12-25 | 浙江师范大学 | Door pushing type electric generator |
| CN109555401A (en) * | 2019-01-30 | 2019-04-02 | 宁波合力伟业消防科技有限公司 | Large-scale vent window mechanism for opening/closing and smoke evacuation window system |
| CN210422270U (en) * | 2019-07-09 | 2020-04-28 | 宁波合力伟业消防科技有限公司 | Door and window opens and close auxiliary mechanism and door and window system of opening and close |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165711A (en) * | 2021-12-08 | 2022-03-11 | 深圳市鑫帝视觉技术有限公司 | Large curved surface LED display screen |
| CN114165711B (en) * | 2021-12-08 | 2023-08-25 | 深圳市鑫帝视觉技术有限公司 | Large-scale curved surface LED display screen |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104727608B (en) | Lifting cross sliding type parking equipment | |
| CN110185349A (en) | Door and window opens and closes auxiliary body and door and window opening/closing system | |
| CN200973923Y (en) | Rope device for high-building escape and high-altitude operation | |
| CN201276407Y (en) | Manned electric riser | |
| CN2931667Y (en) | Manned operation elevator used in high-rises exterior wall | |
| CN209276075U (en) | A kind of portable multifunctional elevator tooling | |
| CN210422270U (en) | Door and window opens and close auxiliary mechanism and door and window system of opening and close | |
| CN104436452A (en) | Escaping device | |
| CN207451402U (en) | One kind is surged cage tank curtain door | |
| CN205976880U (en) | Storehouse is with electronic door that moves on whole | |
| CN205472495U (en) | Safe jacking equipment | |
| CN110439988A (en) | A kind of deceleration device of window opener | |
| CN207484346U (en) | It is a kind of have the function of automatically with the high-strength block bar of hand-operated double controlled | |
| CN219567241U (en) | Electronic guardrail device of safety warning robot | |
| CN221031592U (en) | Elevator shaft self-adaptive integrated edge protection device | |
| CN221007568U (en) | Lifting type flammable gas detection device | |
| CN216553576U (en) | Induction type emergency exit for track traffic | |
| CN217162888U (en) | External hanging type emergency evacuation device for personnel in high-rise building | |
| CN2868961Y (en) | Rolling gate special for mine well cage | |
| CN215710987U (en) | External power curved rail type automatic tank curtain door | |
| CN109533764A (en) | A kind of intelligent track movement system | |
| CN215255666U (en) | Cold channel counter weight self-closing door | |
| CN219965936U (en) | Roll over arm tail gas collecting device | |
| CN221140994U (en) | Indoor small-size electric lifting tool of two steel wires | |
| CN217676212U (en) | Tower crane device for building that security performance is high |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190830 |