CN207160444U - The shading system of type unitized curtain wall - Google Patents
The shading system of type unitized curtain wall Download PDFInfo
- Publication number
- CN207160444U CN207160444U CN201721009400.4U CN201721009400U CN207160444U CN 207160444 U CN207160444 U CN 207160444U CN 201721009400 U CN201721009400 U CN 201721009400U CN 207160444 U CN207160444 U CN 207160444U
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- CN
- China
- Prior art keywords
- sunshade
- curtain wall
- longitudinal
- horizontal
- central siphon
- 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- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of shading system of type unitized curtain wall, including:Curtain wall unit(1)And installed in curtain wall unit(1)On sunshade;The sunshade is connected to curtain wall unit by that can limit the pivot structure of rotational angle(1)On so that the sunshade can turn to softened state or turns to curtain wall unit(1)Folded state.The sunshade can be horizontal sunshade(2)And/or longitudinal sunshade(5).The shading system of type unitized curtain wall of the present utility model is by sunshade by being changed to complete in factory building in building-site assembly, workload needed for greatly reducing on building site, effectively shorten the duration, project progress will not be influenceed by severe building site environment or weather, save cost and can ensure that the steady quality of sunshade.
Description
Technical field
A kind of curtain wall construction is the utility model is related to, more particularly to a kind of sunshade set on type unitized curtain wall
Structure is improved.
Background technology
The sunshade of traditional type unitized curtain wall, all it is live assembly on-site, still, the process of assembly is numerous
Multiple, the workload that scene takes is larger and inconvenient for operation, easily by severe building site environment or climatic effect, it is difficult to protect
Demonstrate,prove assembly quality.In addition, sunshade be all fixed assembly on type unitized curtain wall, when sunshade damages, repair
Come also relatively difficult.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of shading system of type unitized curtain wall, can be in factory building
By sunshade integration assembly on type unitized curtain wall and not influenceing to transport.
The technical scheme in the invention for solving the above technical problem is to design a kind of sunshade system of type unitized curtain wall
System, including:Curtain wall unit and the sunshade on curtain wall unit;The sunshade is by that can limit rotational angle
Pivot structure be connected on curtain wall unit so that the sunshade can turn to softened state or turns to curtain wall unit
Folded state.
The sunshade includes horizontal sunshade, and the pivot structure includes horizontal pivot structure, the horizontal sunshade
Component is rotationally connected with curtain wall unit and is limited in by horizontal pivot structure and is swung down to softened state and turn upwards
Move in the angular range to the folded state for pressing close to curtain wall unit.
The horizontal pivot structure includes:Central siphon, two lateral shafts being separately mounted in the central siphon left and right ends inner chamber
Two heart, left and right horizontal fixtures;The horizontal axle center is fixedly connected on curtain wall unit by the horizontal fixture, the horizontal stroke
The central siphon is fixedly connected on to sunshade.
The shaft tube inner wall is provided with diametrically second spacing of a pair of the first spacing preiections diametrically and a pair
Projection, the horizontal axle center outer wall are convexly equipped with a pair of the first stop sections diametrically.
When the horizontal sunshade is swung down to softened state, first stop section and the first spacing preiection phase
Continue to rotate down to the horizontal sunshade is prevented;When horizontal sunshade is rotated up to folded state, described first
Stop section offsets with the second spacing preiection prevents the horizontal sunshade from continuing up rotation.
Screw is offered on the central siphon and the tube wall in horizontal axle center, softened state is turned in the horizontal sunshade
When, the screwhole position of the central siphon and lateral shaft in the heart is corresponding.
The outer wall of the central siphon is provided with transverse concave groove, and the screw on the central siphon tube wall is located at the transverse concave groove bottom, should
The opening of transverse concave groove is fastened with horizontal decorative cover.
The sunshade includes longitudinal sunshade, and the pivot structure includes longitudinal pivot structure, longitudinal sunshade
Component is rotationally connected with curtain wall unit and is limited in by longitudinal pivot structure and is turned out to softened state and inwardly turn
Move in the angular range to the folded state for pressing close to curtain wall unit.
Longitudinal pivot structure includes:Longitudinal axis center, spindle tube, secondary central siphon and longitudinally fixed part;The spindle tube is lived
Dynamic to be socketed on outside longitudinal axis center and be fixedly connected on by the longitudinally fixed part on curtain wall unit, the secondary central siphon is fixedly sleeved
It is fixed together in outside longitudinal axis center and with longitudinal sunshade.
The main shaft inside pipe wall is provided with a pair of the 3rd spacing preiections and a pair of the 4th limits diametrically diametrically
Position is raised, and the longitudinal axis center outer wall is convexly equipped with a pair of the second stop sections diametrically.
When longitudinal sunshade is turned out to softened state, second stop section and the 3rd spacing preiection phase
Continue to be turned out to longitudinal sunshade is prevented;When longitudinal sunshade inwardly turns to folded state, described second
Stop section offsets with the 4th spacing preiection prevents longitudinal sunshade from continuing inwardly to rotate.
Screw is offered on the tube wall of the longitudinal axis center and spindle tube, is turned in longitudinal sunshade and struts shape
During state, the screwhole position in the longitudinal axis center and spindle tube is corresponding.
The outer wall of the spindle tube is provided with longitudinal fluting, and the screw on the main shaft tube wall is located at the longitudinal fluting bottom
Portion, the opening of the longitudinal fluting are fastened with longitudinal decorative cover.
The secondary central siphon is fastened by protecgulum and bonnet and formed, and the preceding cover screw is fixed on one with longitudinal sunshade
Rise, together with the protecgulum, bonnet are screwed with longitudinal axis center.
Compared with the existing technology compared with the shading system of type unitized curtain wall of the present utility model has compared with prior art
Following advantage:
1. the usual construction method of substitution tradition, sunshade is changed to complete in factory building by building site assembly, can be significantly
Reduce building-site artificial consuming, shorten the duration and save cost, and will not because of severe building site environment or weather shadow
Ring project progress;
2. sunshade completes assembly in factory building, steady quality can ensure that;
Collapsibly 3. assembly on type unitized curtain wall, conveniently transports sunshade in the lump with curtain wall unit part;
4. when sunshade damage needs repairing, sunshade is rotated can temporarily 90 degree, facilitate maintenance work.
Brief description of the drawings
Fig. 1 is the side view of the shading system of the utility model type unitized curtain wall;
Fig. 2 is the exploded view of the horizontal sunshade 2;
Fig. 3 is the assembling figure of the horizontal sunshade 2;
Fig. 4 is schematic diagram when the horizontal sunshade 2 is folded up;
Fig. 5 is the enlarged drawing of the end of central siphon 31 and the junction of axle center 32;
Fig. 6 is the horizontal sunshade 2 central siphon 31 and horizontal section of the junction of horizontal axle center 32 in softened state
Figure;
Fig. 7 is the horizontal sunshade 2 transverse cross-sectional view of central siphon 31 and the junction of axle center 32 in folded state;
Fig. 8 is the exploded view of longitudinal sunshade 5;
Fig. 9 is the assembling figure of longitudinal sunshade 5;
Figure 10 is schematic diagram when longitudinal sunshade 5 is folded up;
Figure 11 is that longitudinal sunshade 5 longitudinal axis center 61 and transverse direction of the junction of spindle tube 62 in softened state are cutd open
Face figure;
Figure 12 is that longitudinal sunshade 5 longitudinal axis center 61 and transverse direction of the junction of spindle tube 62 in folded state are cutd open
Face figure.
Embodiment
It is described in further detail below in conjunction with the most preferred embodiment shown in accompanying drawing.
As shown in figure 1, the shading system of type unitized curtain wall of the present utility model includes:Curtain wall unit 1 and installed in curtain
Sunshade on wall unit 1, the sunshade are connected to curtain wall unit 1 by that can limit the pivot structure of rotational angle
On so that the sunshade can turn to softened state or turns to folded state.
Softened state described in this specification refers to that the overall place plane of sunshade is approximately perpendicular to curtain wall unit 1
State, shaded effects generally now are optimal.And described folded state refers to that the overall place plane of sunshade is almost parallel
In curtain wall unit 1, press close to the state of curtain wall unit 1.
The sunshade can include horizontal sunshade 2 and/or longitudinal sunshade 5, in general, horizontal sunshade
The length direction of component 2 is horizontally oriented, and the length direction of longitudinal sunshade 5 vertically on.Correspondingly,
The pivot structure includes horizontal pivot structure 3 and/or longitudinal pivot structure 6.Wherein, the horizontal sunshade 2 passes through horizontal stroke
It is rotationally connected with to pivot structure 3 on curtain wall unit 1, is limited in and is swung down to softened state(Such as Fig. 3)Be rotated up
To the folded state for pressing close to curtain wall unit 1(Such as Fig. 4)Between angular range in.Longitudinal sunshade 5 passes through longitudinal rotating shaft knot
Structure 6 is rotationally connected with curtain wall unit 1, is limited in and is turned out to softened state(Such as Fig. 9)With inwardly turn to curtain
The folded state of wall unit 1(Such as Figure 10)Between angular range in.
As shown in Figures 2 and 3, in the present embodiment, the horizontal sunshade 2 includes:Front cross sunshading board 21, rear portion
Horizontal sunshading board 22 and two piece first of left and right interlock plate 23.The front cross sunshading board 21 and posterior transversal sunshading board 22 1
It is arranged in parallel after previous, and is fixedly connected on the end face of the front cross sunshading board 21 and posterior transversal sunshading board 22 with screw
The front portion of first interlock plate 23.As shown in figure 5, the rear portion of first interlock plate 23 offers a circular hole 231, the circular hole
231 periphery offers multiple screws 232.
In the prior art, the pivot structure for limiting rotational angle has a many kinds, in the present embodiment, as shown in Fig. 2
The horizontal pivot structure 3 includes:Central siphon 31, two horizontal axle center being separately mounted in the left and right ends inner chamber of central siphon 31
32nd, the two horizontal fixtures 33 in left and right.Wherein, the horizontal axle center 32 is fixedly connected on curtain wall list by the horizontal fixture 33
In member 1, the horizontal sunshade 2 is fixedly connected on the central siphon 31, and central siphon 31 can be relative to horizontal axle center 32 certain
Rotated in angular range, thus, horizontal sunshade 2 and its central siphon 31 being fixedly connected can be around horizontal axle center 32 in certain angle
In the range of rotate.
The attachment structure between above-mentioned each component of horizontal pivot structure 3 is elaborated below.
As shown in figure 5, the front portion of horizontal fixture 33 offers multiple screws 331, and the end in horizontal axle center 32 is set
There is the multiple and position correspondence of screw 331 screw base 322.Screw interlocks through the screw 331 and first on horizontal fixture 33
The circular hole 231 at the rear portion of plate 23 is simultaneously lock onto on the screw base 322, thus can be fixedly connected on horizontal axle center 32 laterally solid
It is anterior to determine part 33, and the horizontal rear portion of fixture 33 is also screwed and is connected on curtain wall unit 1.
As is seen in fig. 6 or fig. 7, the end of central siphon 31 also is provided with multiple screw bases 314, the position of these screw bases 314
Corresponded with the position of the screw 232 on the periphery of 23 rear portion circular hole of the first interlock plate 231, the He of the first interlock plate 23 is passed through with screw
Horizontal sunshade 2 can be fixed together by these screws on central siphon 31 with central siphon 31.
As shown in Fig. 5, Fig. 6 and Fig. 7, the inwall of central siphon 31 is provided with a pair of the first spacing preiections 311 diametrically
With a pair the second spacing preiections 312 diametrically, and the outer wall in the horizontal axle center 32 is then convexly equipped with a pair diametrically
First stop section 321.
When the horizontal sunshade 2 is swung down to softened state as shown in Figure 3, such as Fig. 6, on horizontal axle center 32
A pair of first stop sections 321 just offseted with a pair of first spacing preiections 311 on central siphon 31, thus can prevent the central siphon 31
And horizontal sunshade 2 fixed thereto continues to rotate down.In order that softened state is more stable, first stop section
321 and first the cross section of spacing preiection 311 do L-shaped, when both offset, two L-shaped are just fastened togather, and are not easy pine
It is de-.And when horizontal sunshade 2 is rotated up to folded state as shown in Figure 4, such as Fig. 7, this on horizontal axle center 32 be right
First stop section 321 just offsets with a pair of second spacing preiections 312 on central siphon 31 prevents the central siphon 31 and fixed thereto
Horizontal sunshade 2 continue up rotation.
As shown in figure 5, screw 315 and 323 is offered respectively on the central siphon 31 and the tube wall in horizontal axle center 32, described
When horizontal sunshade 2 turns to softened state, the position correspondence of the screw 315 and 323, now central siphon is passed through with bolt 35
31 and horizontal axle center 32 on screw both can be fixed together it is relatively unrotatable, thus can be by horizontal sunshade
2 are reliably positioned at softened state.Attractive in appearance, the central siphon 31 is influenceed in order to avoid seeing screw bolt in the outer surface of central siphon 31
Outer wall be provided with transverse concave groove 313, the screw 315 on the tube wall of central siphon 31 is located at the bottom of transverse concave groove 313, this laterally it is recessed
The opening of groove 313 is then fastened with horizontal decorative cover 34, thus can be by including screw bolt cover.
As shown in Fig. 8, Fig. 9 and Figure 10, longitudinal sunshade 5 is solid respectively including longitudinal sunshading board 51 and with screw
Due to two piece of second interlock plate 52 of longitudinal upper and lower ends face of sunshading board 51.
Longitudinal pivot structure 6 includes:Longitudinal axis center 61, spindle tube 62, secondary central siphon 63 and longitudinally fixed part 64.It is described
Spindle tube 62 is fixedly connected on curtain wall unit 1 by the longitudinally fixed part 64, and the pivot bush unit of spindle tube 62 is in longitudinal axis
Outside the heart 61, it can be relatively rotated between the two in certain angular range.The secondary central siphon 63 is fixedly sheathed in longitudinal axis center 61
It is fixed together outside and with longitudinal sunshade 5.Thus longitudinal sunshade 5 and secondary central siphon 63 fixed thereto and vertical
To axle center 61 can relative main pipe 62 rotated in the range of certain angle.
The attachment structure between above-mentioned each component of longitudinal pivot structure 6 is elaborated below.
As is illustrated by figs. 11 and 12, the cross section of the longitudinal axis center 61 is generally circular, and its outer wall is convexly equipped with a diameter
To the second relative stop section 611, its inwall is provided with multiple screw bases 612 for extending to end face.
The inwall of spindle tube 62 is provided with of a pair of the 3rd spacing preiections 621 diametrically and a pair diametrically
Four spacing preiections 622, outer wall are provided with diametrically opposed pair longitudinal fluting 623, and the rear portion of spindle tube 62 is provided with cross section in length
Square neck 624.
The rear portion of the longitudinally fixed part 64 is screwed in curtain wall unit 1, the preceding cross section of longitudinally fixed part 64
Substantially t-shaped, the anterior inlay card of the T-shaped in the neck 624 at the rear portion of spindle tube 62 and is screwed in spindle tube 62.
As shown in figure 8, the secondary central siphon 63 is fastened and formed by protecgulum 631 and bonnet 632, the protecgulum 631 with screw with
Longitudinal sunshade 5 is fixed together, and the bonnet 632 is first enclosed on outside longitudinal axis center 61, is then fastened with protecgulum 631, finally
Together with protecgulum 631, bonnet 632 are screwed with longitudinal axis center 61.In order that outer surface is more attractive, this side of central siphon 63
Beat to be fastened with longitudinal decorative cover 633 at screw on wall and cover.
It is as shown in figure 11, described vertical when longitudinal sunshade 5 is turned out to softened state as shown in Figure 9
A pair of the 3rd spacing preiections 621 of a pair of second stop sections 611 and spindle tube 62 to axle center 61, which offset, prevents the longitudinal axis center
61 and longitudinal sunshade 5 of connection fixed thereto continue to be turned out.In order that softened state is more stable, described second
The cross section of the spacing preiection 621 of stop section 611 and the 3rd is done L-shaped, and when both offset, two L-shaped are just fastened togather, no
Easily release.When longitudinal sunshade 5 inwardly turns to folded state as shown in Figure 10, as shown in figure 12, this is to second gear
A pair of the 4th spacing preiections 622 of stop 611 and spindle tube 62, which offset, prevents the longitudinal axis center 61 and connection fixed thereto
Longitudinal sunshade 5 continues inwardly to rotate.
As shown in figure 8, offering screw respectively on the tube wall of the longitudinal axis center 61 and spindle tube 62, hidden in the longitudinal direction
When male component 5 turns to softened state, the screwhole position in longitudinal axis center 61 and the tube wall of spindle tube 62 is corresponding, now with bolt 66
Both can be fixed together through these screws relatively unrotatable, thus can be reliably fixed by longitudinal sunshade 5
Positioned at softened state.In order to avoid screw bolt is seen in the outer surface of spindle tube 62 and influence it is attractive in appearance, on the tube wall of spindle tube 62
Screw be opened in the bottom of its longitudinal fluting 623, the opening of the longitudinal fluting 623 is then fastened with longitudinal decorative cover 65, is thus
Can be by including screw bolt cover.
As can be seen here, the shading system of type unitized curtain wall of the present utility model is just in advance by horizontal sunshade group in factory
Part 2 or longitudinal sunshade 5 are arranged on curtain wall unit 1 by horizontal pivot structure 3 or longitudinal pivot structure 6., will during transport
Horizontal sunshade 2 or longitudinal sunshade 5 turn to folded state to save transport space;And when arriving building-site installation,
Horizontal sunshade 2 or longitudinal sunshade 5 are first turned into softened state, then horizontal pivot structure 3 or vertical is locked with bolt
Make it that horizontal sunshade 2 or longitudinal sunshade 5 can not rotate and are firmly limited in softened state to pivot structure 6,
Curtain wall unit lifting by each in place, it thus can greatly reduce the workload needed for building-site assembly sunshade finally
And the time.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (10)
1. a kind of shading system of type unitized curtain wall, including:Curtain wall unit(1)And installed in curtain wall unit(1)On sunshade
Component;It is characterized in that:
The sunshade is connected to curtain wall unit by that can limit the pivot structure of rotational angle(1)On so that the sunshade group
Part can turn to softened state or turns to curtain wall unit(1)Folded state.
2. the shading system of type unitized curtain wall according to claim 1, it is characterised in that:The sunshade is included laterally
Sunshade(2), the pivot structure includes horizontal pivot structure(3), the horizontal sunshade(2)Pass through horizontal pivot structure
(3)It is rotationally connected with curtain wall unit(1)It is upper and be limited in and be swung down to softened state and be rotated up to pressing close to curtain wall list
Member(1)Folded state between angular range in.
3. the shading system of type unitized curtain wall according to claim 2, it is characterised in that the horizontal pivot structure(3)
Including:Central siphon(31), be separately mounted to the central siphon(31)Two horizontal axle center in the inner chamber of left and right ends(32), left and right two horizontal strokes
To fixture(33);The horizontal fixture(33)By the horizontal axle center(32)It is fixedly connected on curtain wall unit(1)On, it is described
Horizontal sunshade(2)It is fixedly connected on the central siphon(31);
The central siphon(31)Inwall is provided with a pair of the first spacing preiections diametrically(311)With a pair diametrically second
Spacing preiection(312), the horizontal axle center(32)Outer wall is convexly equipped with a pair of the first stop sections diametrically(321);
In the horizontal sunshade(2)When being swung down to softened state, first stop section(321)With the first limit convex
Rise(311)Offset and prevent the horizontal sunshade(2)Continue to rotate down;In horizontal sunshade(2)It is rotated up to folding
During state, first stop section(321)With the second spacing preiection(312)Offset and prevent the horizontal sunshade(2)Continue to
Upper rotation.
4. the shading system of type unitized curtain wall according to claim 3, it is characterised in that:The central siphon(31)And lateral shaft
The heart(32)Tube wall on offer screw, in the horizontal sunshade(2)When turning to softened state, the central siphon(31)With
Horizontal axle center(32)On screwhole position it is corresponding.
5. the shading system of type unitized curtain wall according to claim 4, it is characterised in that:The central siphon(31)Outer wall on
Provided with transverse concave groove(313), the central siphon(31)Screw on tube wall is located at the transverse concave groove(313)Bottom, the transverse concave groove
(313)Opening with horizontal decorative cover(34)Fasten.
6. the shading system of the type unitized curtain wall according to any one of claim 1 to 5, it is characterised in that:The sunshade group
Part includes longitudinal sunshade(5), the pivot structure includes longitudinal pivot structure(6), longitudinal sunshade(5)By vertical
To pivot structure(6)It is rotationally connected with curtain wall unit(1)Go up and be limited in and be turned out to softened state and inwardly turn to
Press close to curtain wall unit(1)Folded state between angular range in.
7. the shading system of type unitized curtain wall according to claim 6, it is characterised in that longitudinal pivot structure(6)
Including:Longitudinal axis center(61), spindle tube(62), secondary central siphon(63)With longitudinally fixed part(64);The spindle tube(62)Movable sleeve
It is connected to longitudinal axis center(61)It is outer and pass through the longitudinally fixed part(64)It is fixedly connected on curtain wall unit(1)On, the secondary central siphon
(63)It is fixedly sheathed in longitudinal axis center(61)It is outer and with longitudinal sunshade(5)It is fixed together;
The spindle tube(62)Inwall is provided with a pair of the 3rd spacing preiections diametrically(621)With a pair diametrically
Four spacing preiections(622), the longitudinal axis center(61)Outer wall is convexly equipped with a pair of the second stop sections diametrically(611);
In longitudinal sunshade(5)When being turned out to softened state, second stop section(611)With the 3rd limit convex
Rise(621)Offset and prevent longitudinal sunshade(5)Continue to be turned out;In longitudinal sunshade(5)Inwardly turn to folding
During state, second stop section(611)With the 4th spacing preiection(622)Offset and prevent longitudinal sunshade(5)Continue to
Interior rotation.
8. the shading system of type unitized curtain wall according to claim 7, it is characterised in that:The longitudinal axis center(61)And master
Central siphon(62)Tube wall on offer screw, in longitudinal sunshade(5)When turning to softened state, the longitudinal axis center
(61)And spindle tube(62)On screwhole position it is corresponding.
9. the shading system of type unitized curtain wall according to claim 8, it is characterised in that:The spindle tube(62)Outer wall
It is provided with longitudinal fluting(623), the spindle tube(62)Screw on tube wall is located at the longitudinal fluting(623)Bottom, the longitudinal direction are recessed
Groove(623)Opening with longitudinal decorative cover(65)Fasten.
10. the shading system of type unitized curtain wall according to claim 7, it is characterised in that:The secondary central siphon(63)By preceding
Lid(631)And bonnet(632)Fastening forms, the protecgulum(631)With screw and longitudinal sunshade(5)It is fixed together, institute
State protecgulum(631), bonnet(632)And longitudinal axis center(61)It is screwed together.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721009400.4U CN207160444U (en) | 2017-08-14 | 2017-08-14 | The shading system of type unitized curtain wall |
Applications Claiming Priority (1)
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CN201721009400.4U CN207160444U (en) | 2017-08-14 | 2017-08-14 | The shading system of type unitized curtain wall |
Publications (1)
Publication Number | Publication Date |
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CN207160444U true CN207160444U (en) | 2018-03-30 |
Family
ID=61716634
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CN201721009400.4U Withdrawn - After Issue CN207160444U (en) | 2017-08-14 | 2017-08-14 | The shading system of type unitized curtain wall |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107268902A (en) * | 2017-08-14 | 2017-10-20 | 有利华建筑预制件(深圳)有限公司 | The shading system of type unitized curtain wall |
-
2017
- 2017-08-14 CN CN201721009400.4U patent/CN207160444U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107268902A (en) * | 2017-08-14 | 2017-10-20 | 有利华建筑预制件(深圳)有限公司 | The shading system of type unitized curtain wall |
CN107268902B (en) * | 2017-08-14 | 2023-02-21 | 有利华建筑预制件(深圳)有限公司 | Sunshade system of unitized curtain wall |
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