CN206722668U - Ventilating device of glass curtain wall - Google Patents

Ventilating device of glass curtain wall Download PDF

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Publication number
CN206722668U
CN206722668U CN201720506390.9U CN201720506390U CN206722668U CN 206722668 U CN206722668 U CN 206722668U CN 201720506390 U CN201720506390 U CN 201720506390U CN 206722668 U CN206722668 U CN 206722668U
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CN
China
Prior art keywords
glass
window frame
curtain wall
movable glass
fixed window
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.)
Expired - Fee Related
Application number
CN201720506390.9U
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Chinese (zh)
Inventor
陆建清
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Hengsheng Decoration Engineering Co Ltd
Original Assignee
Zhejiang Hengsheng Decoration Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Hengsheng Decoration Engineering Co Ltd filed Critical Zhejiang Hengsheng Decoration Engineering Co Ltd
Priority to CN201720506390.9U priority Critical patent/CN206722668U/en
Application granted granted Critical
Publication of CN206722668U publication Critical patent/CN206722668U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of ventilating device of glass curtain wall, solve glass curtain wall and open ventilation, and the problem of being not easy to save bit by bit dust again, its drip irrigation device is a kind of ventilating device of glass curtain wall, including fixed window frame, movable glass is connected with the fixed window frame, the movable glass four right angles corresponding with the fixed window frame are connected to telescopic component, the telescopic component can drive movable glass to keep moving outwardly to outside fixed window frame vertically by the active force artificially applied, so that the space for air circulation is formed between movable glass and fixed window frame, and the distance between movable glass and fixed window frame are locked by the telescopic component.Ventilating device of glass curtain wall of the present utility model can be by setting telescopic component to promote movable glass to keep vertical and moving outwardly to outside fixed window frame, and the effect that dust and can enough reaches ventilation can neither be saved bit by bit by having reached movable glass.

Description

Ventilating device of glass curtain wall
Technical field
Curtain wall technology field is the utility model is related to, more specifically, it relates to a kind of ventilating device of glass curtain wall.
Background technology
Glass curtain wall, refer to it is being made up of support system and glass, can relative agent structure have certain displacement ability, Agent structure institute building external envelope structure the affected or decorating structure are not shared.
At present, the Chinese patent of Application No. 201220521818.4 discloses a kind of point type glass curtain wall openable windows knot Structure, including Glass Rib and overlapping joint, glass pane top are connected on Glass Rib by movable hinge body, and glass pane bottom is then hinged There is openable windows push-pull device at fixed, openable windows push-pull device at fixed is also mutually flexibly connected with Glass Rib, its movable hinge body, passes through straight connecting rod Or curved bar makes glass pane be articulated with Glass Rib, its openable windows push-pull device at fixed, using structure type manually or electrically.This glass Although glass curtain wall openable windows solve the problems, such as that glass curtain wall is ventilated, but it in opening, glass surface is in level State, easy dust stratification so on upward glass surface, increases the workload subsequently cleaned.
Therefore need to propose a kind of new scheme to solve this problem.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of ventilating device of glass curtain wall, By being provided with four telescopic components, telescopic component promotion activity in four corresponding right angles of fixed window frame and movable glass Glass is displaced outwardly relative to fixed window frame, solves the problems, such as that glass curtain wall is ventilated, and the glass surface of opening is not Easy dust stratification, reduce the workload subsequently cleaned.
To achieve the above object, the utility model provides following technical scheme:Glass curtain wall opens ventilation, and does not allow again Easily the problem of saving bit by bit dust, its drip irrigation device are a kind of ventilating device of glass curtain wall, including fixed window frame, the fixed window Inframe is connected with movable glass, and the movable glass four right angles corresponding with the fixed window frame are connected to flexible Component, the telescopic component can drive movable glass to keep moving outwardly to fixed window vertically by the active force artificially applied Outside frame so that the space for air circulation is formed between movable glass and fixed window frame, and is locked by the telescopic component The distance between movable glass and fixed window frame.
By using above-mentioned technical proposal, movable glass is placed in fixed window frame and movable glass can keep vertical Straight state is displaced outwardly relative to fixed window frame, while telescopic component is additionally provided between fixed window frame and movable glass, is stretched Contracting component drives movable glass to be displaced outwardly by the active force artificially applied so that is formed between movable glass and fixed window frame The position of movable glass and fixed window frame is kept to be positioned for the space of air circulation, and by telescopic component, so Movable glass can keeps vertically being displaced outwardly relative to fixed window frame after setting, and has between movable glass and fixed window frame There is space to keep divulging information, and now vertical state at movable glass, it is not easy to save bit by bit dust, it is possible to reduce the later stage cleans Work.
The utility model is further arranged to:The telescopic component includes the extension sleeve being connected with fixed window frame, described The through hole of at least two radial directions setting is offered on extension sleeve length direction, is provided with and the work in the extension sleeve The expansion link of dynamic glass connection, one end that the expansion link connects the extension sleeve is fixedly connected with positioning component, described fixed Hyte part stretches out from the through hole to be positioned.
By using above-mentioned technical proposal, telescopic component includes the extension sleeve being fixedly connected with fixed window frame, telescopic At least two through holes being radially arranged are offered on the length direction of cylinder, expansion link, expansion link connection are provided with extension sleeve In the right angle of movable glass, one end of expansion link connection extension sleeve is fixedly connected with positioning component, and positioning component is from through hole Middle stretching is positioned, and such movable glass can use positioning component to lock movable glass to after being stretched out for fixed window frame The distance between fixed window frame.
The utility model is further arranged to:The positioning component includes being fixedly connected with the locating rod of expansion link, described fixed Position bar is located at the extension sleeve in the radial direction, and the locating rod is connected with the abutment sleeve being connected with movable glass, institute State and flexible member is provided between abutment sleeve and the locating rod, the flexible member both ends are respectively fixedly connected with the positioning Sleeve and the locating rod.
By using above-mentioned technical proposal, positioning component includes being fixedly connected with the locating rod of expansion link, and locating rod is on stretching The central axis of contracting sleeve is symmetrically positioned in the both sides of expansion link, and locating rod is connected with abutment sleeve, abutment sleeve and movable glass Connection, is fixedly connected between abutment sleeve and locating rod and has elastic component, such positioning component is fully compressed in flexible member When, abutment sleeve is located inside extension sleeve, enters line slip and abutment sleeve stretches out positioned again in next through hole.
The utility model is further arranged to:The abutment sleeve is set in circular platform type.
By using above-mentioned technical proposal, abutment sleeve is set in circular platform type, and the abutment sleeve of circular platform type can cause When stretching out with retraction through hole, the side wall of round platform can be slided with the arc-shaped edges of through hole so that abutment sleeve is stretching out or contracted When entering in through hole, the power that people applies to movable glass need not be very big.
The utility model is further arranged to:Protection sleeve is arranged with jointly on the extension sleeve and the expansion link, The both ends of the protection sleeve are slidably connected on the perisporium of the extension sleeve and the expansion link respectively.
By using above-mentioned technical proposal, protection sleeve is provided between extension sleeve and expansion link, protects being arranged for sleeve On extension sleeve and expansion link, the both ends of sleeve are protected to be slidably connected to respectively on extension sleeve and expansion link perisporium, so Protection sleeve connection is added again on extension sleeve and expansion link, it is to increase the sound construction of telescopic component so to set Property.
The utility model is further arranged to:The side of movable glass four is provided with the framework of parcel movable glass, described Two horizontal sides of framework are provided with the cross bar being fixedly connected with the expansion link, and the cross bar is equipped with opening towards movable glass Slide rail, the T-shaped setting of slide rail, the horizontal sides end of the framework is rotatably connected to the first roller, first roller Clamping is simultaneously rolled in the slide rail.
By using above-mentioned technical proposal, the side of movable glass four is provided with the framework of parcel movable glass, two water of framework Flat side is provided with the cross bar being fixedly connected with the expansion link, and cross bar is provided with slide rail of the opening towards movable glass, and slide rail is T-shaped Set, the horizontal sides end of framework is provided with the first roller, the first roller clamping simultaneously rolling in slide rail, be arranged such be for Movable glass can realize sliding along the length direction of slide rail, and such movable glass slide relative to fixed window frame, increase The area of ventilation so that ventilation effect is more preferable.
The utility model is further arranged to:Rolled in the slide rail and be connected with the second roller, second roller rotates Connecting rod is connected with, the connecting rod is fixedly connected on the opposite side that the framework is equipped with the first roller.
Rolled by using above-mentioned technical proposal, in slide rail and be connected with the second roller, set in the rotary shaft of the second roller There is the connecting rod with the rotation connection of the second roller, connecting rod is fixedly connected with opposite side of the framework equipped with the first roller, so Setting is in order to which the second roller moves in slide rail, drives the movement of connecting rod, and it is in order to when movable glass is relative so to set When fixed window frame is offset, connecting rod can consolidate the other end that movable glass is not provided with the first roller, such support activity The steadiness of glass.
The utility model is further arranged to:Seal is equipped with the opening opposed inner walls of the slide rail.
By using above-mentioned technical proposal, seal, such increase activity are equipped with the opening opposed inner walls of slide rail Sealing property between glass and slide rail, when ventilating device of glass curtain wall is closed, it can ensure that indoor and outdoor does not keep divulging information.
The utility model is further arranged to:The framework, which horizontally rotates, is connected with support bar, the support pole length side Uniformly offer fixing hole straight down upwards, be fixedly connected with fix bar on the fixed window frame, the cross bar with it is described Fixing hole is adapted.
By using above-mentioned technical proposal, frame member is connected with support bar, is offered on the length direction of support bar solid Determine hole, fixing hole in the vertical direction is opened up, and fix bar is fixedly connected with fixed window frame, and fixing hole is sheathed on fix bar and phase Adaptation, by being additionally arranged fix bar connection between such movable glass and fixed window frame, the knot for adding movable glass is so set Structure stability.
The utility model is further arranged to:The framework offers the holding tank for accommodating the support bar.
By using above-mentioned technical proposal, framework offers the holding tank for accommodating the support bar, and such holding tank can Accommodating support bar so that support bar can be taken in holding tank, save space, and, it is not easy in support bar when not in use Dust is saved bit by bit, reduces later stage cleaning dynamics.
In summary, the utility model has the advantages that:
First, be able to can keep vertically being displaced outwardly by telescopic component movable glass, reach and do not saved bit by bit ash Divulged information in the case of dirt;
Second, by setting positioning component movable glass to keep vertical outside state so that movable glass The distance between fixed window frame can be kept;
Third, by setting the second roller and the first roller movable glass to be slid laterally with respect to slide rail so that The area of ventilation is bigger.
Brief description of the drawings
Fig. 1 is ventilating device of glass curtain wall overall structure diagram one, is mainly used in showing at ventilating device of glass curtain wall In the state of closing;
Fig. 2 is ventilating device of glass curtain wall overall structure diagram two, is mainly used in showing at ventilating device of glass curtain wall In the state of opening;
Fig. 3 is ventilating device of glass curtain wall partial structural diagram one, is mainly used in showing the structure of telescopic component;
Fig. 4 is ventilating device of glass curtain wall partial structural diagram two, is mainly used in showing the internal structure of positioning component;
Fig. 5 is ventilating device of glass curtain wall partial structural diagram three, is mainly used in the structure of performance protection sleeve;
Fig. 6 is ventilating device of glass curtain wall partial structural diagram four, is mainly used in showing between cross bar and movable glass Attachment structure;
Fig. 7 is ventilating device of glass curtain wall overall structure diagram three, is mainly used in showing between support bar and framework Annexation.
Wherein:1st, fixed window frame;11st, fix bar;2nd, movable glass;3rd, telescopic component;31st, extension sleeve;32nd, stretch Bar;33rd, through hole;34th, positioning component;341st, locating rod;342nd, abutment sleeve;343rd, flexible member;344th, baffle plate;35th, protect Sleeve;351st, T-shaped projection;36th, T-shaped elongated slot;4th, framework;41st, cross bar;42nd, slide rail;43rd, the first roller;44th, the second roller; 45th, connecting rod;46th, support bar;461st, fixing hole;47th, seal;48th, holding tank.
Embodiment
The utility model is described in further detail below.
A kind of ventilating device of glass curtain wall, as shown in figure 1, including fixed window frame 1, movable glass is connected with fixed window frame 1 Glass 2, connected as shown in Fig. 2 being provided with four telescopic components 3 between the fixed window frame 1 of movable glass 2 and realizing, the one of telescopic component 3 End is respectively fixedly connected with four right angles in movable glass 2, and the other end is fixedly connected on four right angles of fixed window frame 1, Telescopic component 3 can drive the occurred level side of movable glass 2 to move up by the power artificially applied.
Wherein, as shown in figure 3, telescopic component 3 includes the extension sleeve 31 being connected with fixed window frame 1, extension sleeve 31 exists The through hole 33 of at least two radial directions is offered on length direction, expansion link 32, expansion link are equipped with inside extension sleeve 31 32 ends being connected with extension sleeve 31 are fixedly connected with positioning component 34, as shown in figure 4, positioning component 34 includes T-shaped set The locating rod 341 put, locating rod 341 are fixedly connected on the end of expansion link 32, and locating rod 341 is arranged on the radial direction side of expansion link 32 Upwards and the perisporium of expansion link 32 is protruded from, locating rod 341 is connected with abutment sleeve 342, abutment sleeve 342 and locating rod 341 Between be provided with flexible member 343, the both ends of flexible member 343 are respectively fixedly connected with the interior bottom portion of abutment sleeve 342 and described The end of locating rod 341, the side that abutment sleeve 342 connects locating rod 341 are provided with baffle plate 344, baffle plate 344 and locating rod 341 Between occur it is intermittent contradict, baffle plate 344 prevents locating rod 341 from departing from abutment sleeve 342, and such positioning component 34 is in elastic member Part 343 can be located at the inside of extension sleeve 31 when compressing completely, the flexible member 343 in normal state when, it is described fixed Hyte part 34 stretches out from through hole 33 to be played the role of positioning, and abutment sleeve 342 is set in circular platform type, applies water to abutment sleeve 342 Square to active force when, can utilize round platform inclination circular arc wall the power of horizontal direction is converted into the inwall of through hole 33 it is perpendicular Nogata to power so that abutment sleeve 342 can lean on the force compresses flexible member 343 of horizontal direction, shrink abutment sleeve 342 Into extension sleeve 31, such expansion link 32 relieves positioning action, and movable glass 2 can be driven to promote forward, when positioning group When part 34 reaches next through hole 33, expansion link 32 is positioned again, now between movable glass 2 and fixed window frame 1 Gap in horizontal direction be present, so reached ventilation effect, and no matter ventilation unit is opened or closed, movable glass 2 is equal In plumbness, it is not easy to save bit by bit dust, reduce follow-up cleaning dynamics.
In order to increase the structural stability between extension sleeve 31 and expansion link 32, as shown in figure 5, in the He of extension sleeve 31 One and the length identical of extension sleeve 31 protection sleeve 35, the both ends difference of protection sleeve 35 have been arranged on expansion link 32 jointly It is set on the perisporium of extension sleeve 31 and expansion link 32, is offered on the length direction of extension sleeve 31 and expansion link 32 The T-shaped elongated slot 36 of both ends closure, the both ends of protection sleeve 35 are respectively equipped with T-shaped raised 351, and T-shaped raised 351 clamping simultaneously slides In T-shaped elongated slot 36, so sleeve 35 is protected to be slid on expansion link 32 and extension sleeve 31, protection sleeve 35 one end is slided Be connected on the perisporium of expansion link 32, the other end is slidably connected on the perisporium of extension sleeve 31, when expansion link 32 it is relative with it is flexible When sleeve 31 moves, protection sleeve 35 also moves the steadiness between increase expansion link 32 and extension sleeve 31.
As shown in fig. 6, the side of movable glass 2 four is provided with the framework 4 of parcel movable glass 2, two horizontal sides of framework 4 connect The cross bar 41 being fixedly connected with expansion link 32 is connected to, cross bar 41 is provided with slide rail 42 of the opening towards movable glass 2, and slide rail 42 is in T Type is set, and two horizontal sides of framework 4 are rotatably connected to the first roller 43 in identical one end, and the clamping of the first roller 43 is simultaneously rolled in cunning In rail 42, the first roller 43 is two trundles, connects the montant for being rotatably connected to and being vertically arranged on the central shaft of trundle, is erected Bar is stretched out from the opening of slide rail 42 and achieved a fixed connection with framework 4, and the second roller 44, the second rolling are additionally provided with slide rail 42 The structure of wheel 44 and the first roller 43 are identical, and the central axis of the second roller 44 is connected with connecting rod 45, connecting rod 45 and frame Opposite side of the frame 4 equipped with the first roller 43 is fixedly connected, and so realizes that the second roller 44 is rolled while driven in slide rail 42 Connecting rod 45 is moved, and connecting rod 45 is fixedly connected on framework 4, and four angles of such framework 4 are all connected with slide rail 42 so that frame When frame 4 is relative to 42 transverse shifting of slide rail, the attachment structure between framework 4 and slide rail 42 is more firm, and slide rail 42 can accommodate Connecting rod 45, slide rail 42 are being provided with seal 46 in opening opposed inner walls so that slide rail 42 and framework 4 it Between closure when can ensure to seal.
Holding tank 48 is further opened with the length direction of framework 4, horizontally rotates in holding tank 48 and is connected with support bar 46, is being propped up Strut 46 when not in use, can be placed in holding tank 48, prevent support bar 46 is exposed from saving bit by bit dust outside, increase the clear of later stage Dynamics is swept, support bar 46 highly diminishes at rotation connection, that is to say, that support bar 46 can be carried out in small degree Lower movement, fixing hole 461 straight down is uniformly offered on the length direction of support bar 46, is fixedly connected with fixed window frame 1 It is located at the fix bar 11 in the same horizontal position with support bar 46, when fixing hole 461 is set in fix bar 11, support bar 46 The distance between framework and fixed window frame 1 are mutually fixed, when such movable glass 2 is opened, will not be had because of wind action power Move.
When needing to open ventilating device of glass curtain wall, movable glass 2 one is given first to the active force of outdoor, now four The individual applied elongation of telescopic component 3, promote framework 4 and movable glass 2 to keep plumbness mobile to outdoor, now and reach Ventilation effect, if but mutually want ventilation effect more preferable, just first support bar 46 is produced from holding tank 48, then to activity 2 one power moved horizontally of glass, the now meeting of movable glass 2 be moved with slide rail 42, and movable glass 2 and framework 4 can be kept Plumbness increases to the Slideslip for being connected with connecting rod 45, such draught area, then lifting support bar 46, by fixed window Fix bar on frame 1 is located in the fixing hole 461 of support bar 46, and framework 4 is fixed, and can so protect ventilation unit Hold and be vertically displaced outwardly, reached and divulged information in the case of not saving bit by bit dust.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but As long as all protected in right of the present utility model by Patent Law.

Claims (10)

1. a kind of ventilating device of glass curtain wall, including fixed window frame(1), it is characterised in that:The fixed window frame(1)Inside it is connected with Movable glass(2), the movable glass(2)With the fixed window frame(1)Four corresponding right angles are connected with four and stretched Component(3), the telescopic component(3)Movable glass can be driven by the active force artificially applied(2)Holding is moved out vertically Move to fixed window frame(1)Outside so that movable glass(2)And fixed window frame(1)Between form the space for air circulation, and lead to Cross the telescopic component(3)Lock movable glass(2)With fixed window frame(1)The distance between.
2. ventilating device of glass curtain wall according to claim 1, it is characterised in that:The telescopic component(3)Including with consolidating Determine window frame(1)The extension sleeve of connection(31), the extension sleeve(31)At least two radial directions are offered on length direction The through hole of setting(33), the extension sleeve(31)It is interior to be provided with and the movable glass(2)The expansion link of connection(32), it is described to stretch Contracting bar(32)Connect the extension sleeve(31)One end be fixedly connected with positioning component(34), the positioning component(34)From institute State through hole(33)Middle stretching is positioned.
3. ventilating device of glass curtain wall according to claim 2, it is characterised in that:The positioning component(34)Including fixation Connection expansion link(32)Locating rod(341), the locating rod(341)Positioned at the extension sleeve(31)In the radial direction, The locating rod(341)It is connected with and movable glass(2)The abutment sleeve of connection(342), the abutment sleeve(342)With it is described Locating rod(341)Between be provided with flexible member(343), the flexible member(343)Both ends are respectively fixedly connected with the positioning Sleeve(342)With the locating rod(341).
4. ventilating device of glass curtain wall according to claim 3, it is characterised in that:The abutment sleeve(342)In round platform Type is set.
5. ventilating device of glass curtain wall according to claim 2, it is characterised in that:The extension sleeve(342)With it is described Expansion link(32)On be arranged with protection sleeve jointly(35), the protection sleeve(35)Both ends be slidably connected to described stretch respectively Contracting sleeve(342)With the expansion link(32)Perisporium on.
6. ventilating device of glass curtain wall according to claim 1, it is characterised in that:The movable glass(2)Four sides are set There is parcel movable glass(2)Framework(4), the framework(4)Two horizontal sides be provided with and the expansion link(32)It is fixed to connect The cross bar connect(41), the cross bar(41)Opening is equipped with towards movable glass(2)Slide rail(42), the slide rail(42)In T Type is set, the framework(4)Horizontal sides end be rotatably connected to the first roller(43), first roller(43)Clamping is simultaneously rolled Move in the slide rail(42)It is interior.
7. ventilating device of glass curtain wall according to claim 6, it is characterised in that:The slide rail(42)Interior rolling is connected with Second roller(44), second roller(44)It is rotatably connected to connecting rod(45), the connecting rod(45)It is fixedly connected on institute State framework(4)Equipped with the first roller(43)Opposite side.
8. ventilating device of glass curtain wall according to claim 6, it is characterised in that:The slide rail(42)Opening it is relative Seal is equipped with inwall(47).
9. ventilating device of glass curtain wall according to claim 6, it is characterised in that:The framework(4)Horizontally rotate connection There is support bar(46), the support bar(46)Fixing hole straight down is uniformly offered on length direction(461), the fixation Window frame(1)On be fixedly connected with fix bar(11), the fix bar(11)With the fixing hole(461)It is adapted.
10. ventilating device of glass curtain wall according to claim 9, it is characterised in that:The framework(4)Offer and accommodate institute State support bar(46)Holding tank(48).
CN201720506390.9U 2017-05-09 2017-05-09 Ventilating device of glass curtain wall Expired - Fee Related CN206722668U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720506390.9U CN206722668U (en) 2017-05-09 2017-05-09 Ventilating device of glass curtain wall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720506390.9U CN206722668U (en) 2017-05-09 2017-05-09 Ventilating device of glass curtain wall

Publications (1)

Publication Number Publication Date
CN206722668U true CN206722668U (en) 2017-12-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720506390.9U Expired - Fee Related CN206722668U (en) 2017-05-09 2017-05-09 Ventilating device of glass curtain wall

Country Status (1)

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CN (1) CN206722668U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109339648A (en) * 2018-10-15 2019-02-15 湖州南浔研艺斋工艺品有限公司 A kind of movable type plastic-steel door and window
CN111183827A (en) * 2020-02-25 2020-05-22 芜湖峰宏农业科技有限公司 Ventilation multimode vegetable planting glass greenhouse

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109339648A (en) * 2018-10-15 2019-02-15 湖州南浔研艺斋工艺品有限公司 A kind of movable type plastic-steel door and window
CN111183827A (en) * 2020-02-25 2020-05-22 芜湖峰宏农业科技有限公司 Ventilation multimode vegetable planting glass greenhouse

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171208

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