Sun-shading device and sun-shading curtain wall system

Abstract

The utility model relates to a sunshade device and a sunshade curtain wall system. The sunshade device comprises a keel unit, at least one first guide unit, at least one second guide unit, at least one first sliding unit, at least one second sliding unit, at least one frame unit, at least one adjusting unit and at least one sunshade unit. The first guide unit is arranged at the side part of the keel unit; the second guide units are perpendicular to each other; the first sliding unit is in sliding connection with the first guide unit; the second sliding unit is in sliding connection with the second guide unit; the frame unit is rotationally connected with the first sliding unit and the second sliding unit; the adjusting unit is connected with the first sliding unit; the sunshade unit is arranged in the frame unit. The glass curtain wall has the advantages that the frame unit and the sunshade unit which can change the angle are arranged on the outer side of the glass curtain wall, and the problems that an existing sunshade assembly of the building facade is fixedly arranged and cannot be adjusted, the indoor light environment is affected, and the application range is small are solved.

Description

Technical Field

[0001] This utility model relates to the field of building facade technology, and in particular to a sunshade device and a sunshade curtain wall system. Background Technology

[0002] To save energy, some large public buildings with glass curtain walls typically install sunshade grilles on their exterior facades. These grilles effectively block direct sunlight, reducing heat entering the building and thus lowering air conditioning load and energy consumption. Especially during hot summers, they significantly reduce the need for indoor cooling. Simultaneously, the grilles also provide some protection, reducing the erosion of the building's exterior walls by ultraviolet rays, wind, and rain, extending the building's lifespan.

[0003] However, on cloudy days or when there is insufficient external light, the sunshade grille will affect indoor lighting; in winter, the reduced light entering the room will decrease the amount of heat the room can obtain from the outside, thus increasing heating energy consumption.

[0004] Currently, no effective solutions have been proposed for the problems existing in related technologies, such as the inability to adjust the fixed installation of existing building facade shading components, which affects the indoor lighting environment and the limited applicability. Utility Model Content

[0005] The purpose of this utility model is to address the shortcomings of existing technologies by providing a sunshade device and a sunshade curtain wall system, in order to solve the problems of fixed installation of existing building facade sunshade components that cannot be adjusted, affecting the indoor light environment and having a limited range of applications.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0007] In a first aspect, a sunshade device is provided for use on a building facade, comprising:

[0008] Keel unit, the keel unit is disposed on the outside of the glass curtain wall and connected to the glass curtain wall;

[0009] At least one first guide unit, the first guide unit being horizontally disposed on the side of the keel unit;

[0010] At least one second guide unit, the second guide unit being horizontally disposed on the outside of the keel unit, the second guide unit being perpendicular to each other;

[0011] At least one first sliding unit, the first sliding unit being slidably connected to the first guide unit, the first sliding unit being capable of reciprocating along the axial direction of the first guide unit;

[0012] At least one second sliding unit is provided, the second sliding unit is slidably connected to the second guide unit, and the second sliding unit can reciprocate along the axial direction of the second guide unit;

[0013] At least one frame unit is provided, the frame unit being movably disposed on the outside of the keel unit, the first end of the frame unit being rotatably connected to the first sliding unit, and the second end of the frame unit being rotatably connected to the second sliding unit;

[0014] At least one adjustment unit is provided, which is disposed in the middle of the side of the keel unit and connected to the first sliding unit, for driving the first sliding unit to reciprocate in the horizontal direction;

[0015] At least one shading unit is disposed inside the frame unit for shading.

[0016] In some embodiments, the keel unit includes:

[0017] At least two horizontal keel elements are provided, which are arranged vertically at intervals on the outside of the glass curtain wall and connected to the glass curtain wall. The side of each horizontal keel element is provided with the first guide unit and the adjustment unit, and the outside of each horizontal keel element is provided with the second guide unit and the frame unit.

[0018] A plurality of longitudinal keel elements are spaced apart between the transverse keel elements.

[0019] In some embodiments, the first guiding unit includes:

[0020] A first guide element is horizontally disposed on the side of the keel unit and slidably connected to the first sliding unit.

[0021] In some embodiments, the second guiding unit includes:

[0022] The second guide element is horizontally disposed on the outside of the keel unit and slidably connected to the second sliding unit. The second guide element is perpendicular to the first guide unit.

[0023] In some embodiments, the first sliding unit includes:

[0024] A first sliding element is slidably connected to the first guide unit, and the first sliding element can reciprocate along the axial direction of the first guide unit;

[0025] A first rotating element is disposed at the bottom of the first sliding element and is rotatably connected to the first end of the frame unit. The first rotating element is connected to the adjustment unit.

[0026] In some embodiments, the second sliding unit includes:

[0027] The second sliding element is slidably connected to the second guide unit, and the second sliding element can reciprocate along the axial direction of the second guide unit;

[0028] The second rotating element is disposed at the bottom of the second sliding element and is rotatably connected to the second end of the frame unit.

[0029] In some embodiments, the frame unit includes:

[0030] A frame element is movably disposed on the outside of the keel unit, and the sunshade unit is disposed inside the frame element;

[0031] A third rotating element is disposed at the first end of the frame element and is rotatably connected to the first sliding unit;

[0032] A fourth rotating element is disposed at the second end of the frame element and is rotatably connected to the second sliding unit.

[0033] In some embodiments, the adjustment unit includes:

[0034] An adjustment element is disposed in the middle of the side portion of the keel unit;

[0035] A driving element is disposed at the end of the adjusting element and is used to drive the adjusting element to rotate;

[0036] A movable element, which is sleeved on and engaged with the adjusting element, is used to reciprocate in the horizontal direction under the action of the adjusting element;

[0037] A transmission element is connected to the moving element and the first sliding unit respectively, and is used to drive the first sliding unit to reciprocate in the horizontal direction.

[0038] Secondly, a sunshade curtain wall system is provided for building facades, including;

[0039] Glass curtain wall;

[0040] The sunshade device as described in the first aspect is disposed on the outer side of the glass curtain wall.

[0041] The present invention adopts the above technical solution and has the following technical effects compared with the prior art:

[0042] This utility model discloses a sunshade device and a sunshade curtain wall system. By setting a first guide unit and a second guide unit on the outside of the glass curtain wall, the frame unit and the sunshade unit can change the angle between themselves and the glass curtain wall under the action of the adjustment unit. The indoor light environment can be adjusted according to the external light, ensuring good indoor lighting while also providing sunshade. This solves the problems of existing building facade sunshade components being fixed and unable to be adjusted, affecting the indoor light environment and having a limited range of applications. Attached Figure Description

[0043] Figure 1 This is a schematic diagram of a sunshade device according to an embodiment of the present utility model;

[0044] Figure 2 This is a schematic diagram of the keel unit according to an embodiment of the present utility model;

[0045] Figure 3 This is a schematic diagram of the first guide unit according to an embodiment of the present utility model;

[0046] Figure 4 This is a schematic diagram of the second guide unit according to an embodiment of the present utility model;

[0047] Figure 5 This is a schematic diagram of the first sliding unit according to an embodiment of the present utility model;

[0048] Figure 6 This is a schematic diagram of the second sliding unit according to an embodiment of the present utility model;

[0049] Figure 7 This is a schematic diagram of the frame unit according to an embodiment of the present utility model;

[0050] Figure 8 This is a schematic diagram of the adjustment unit according to an embodiment of the present utility model;

[0051] Figure 9 This is a schematic diagram of a sunshade curtain wall system according to an embodiment of the present utility model.

[0052] The attached diagrams are labeled as follows: 100, glass curtain wall; 200, sunshade device;

[0053] 210. Keel unit; 211. Horizontal keel element; 212. Longitudinal keel element;

[0054] 220. First guide unit; 221. First guide element;

[0055] 230. Second guide unit; 231. Second guide element;

[0056] 240. First sliding unit; 241. First sliding element; 242. First rotating element;

[0057] 250. Second sliding unit; 251. Second sliding element; 252. Second rotating element;

[0058] 260. Frame unit; 261. Frame element; 262. Third rotating element; 263. Fourth rotating element;

[0059] 270. Adjustment unit; 271. Adjustment element; 272. Drive element; 273. Moving element; 274. Transmission element;

[0060] 280. Shading unit. Detailed Implementation

[0061] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0062] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0063] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but this is not intended to limit the present invention.

[0064] Example 1

[0065] This embodiment relates to the sunshade device of this utility model.

[0066] An illustrative embodiment of this utility model, such as Figure 1As shown, a sunshade device 200 for a building facade includes a keel unit 210, at least one first guide unit 220, at least one second guide unit 230, at least one first sliding unit 240, at least one second sliding unit 250, at least one frame unit 260, at least one adjustment unit 270, and at least one sunshade unit 280. The keel unit 210 is disposed on the outer side of the glass curtain wall and connected to it; the first guide unit 220 is horizontally disposed on the side of the keel unit 210; the second guide unit 230 is horizontally disposed on the outer side of the keel unit 210, and the two guide units 230 are perpendicular to each other; the first sliding unit 240 is slidably connected to the first guide unit 220, and the first sliding unit 240 can reciprocate along the axial direction of the first guide unit 220; the second sliding unit 250 is slidably connected to the second guide unit 230, and the second sliding unit 260... Unit 250 can reciprocate along the axial direction of the second guide unit 230; frame unit 260 is movably disposed on the outside of keel unit 210, the first end of frame unit 260 is rotatably connected to the first sliding unit 240, and the second end of frame unit 260 is rotatably connected to the second sliding unit 250; adjustment unit 270 is disposed in the middle of the side of keel unit 210 and connected to the first sliding unit 240, for driving the first sliding unit 240 to reciprocate along the horizontal direction; sunshade unit 280 is disposed inside frame unit 260 for sunshade.

[0067] In some embodiments, there are two first guide units 220, and the two first guide units 220 are respectively disposed on the side of the keel unit 210.

[0068] The number of second guide units 230 matches the number of first guide units 220. Generally, the number of second guide units 230 is equal to the number of first guide units 220, that is, there is a one-to-one correspondence between the second guide units 230 and the first guide units 220.

[0069] The number of first sliding units 240 matches the number of first guide units 220. Generally, the number of first sliding units 240 is equal to the number of first guide units 220, that is, there is a one-to-one correspondence between the first sliding units 240 and the first guide units 220.

[0070] The number of second sliding units 250 matches the number of second guide units 230. Generally, the number of second sliding units 250 is equal to the number of second guide units 230, that is, there is a one-to-one correspondence between the second sliding units 250 and the second guide units 230.

[0071] The number of frame units 260 matches the number of first guide units 220. Generally, the number of frame units 260 is equal to the number of first guide units 220, that is, there is a one-to-one correspondence between frame units 260 and first guide units 220.

[0072] The number of adjustment units 270 matches the number of first sliding units 240. Generally, the number of adjustment units 270 is equal to the number of first sliding units 240, that is, there is a one-to-one correspondence between the adjustment units 270 and the first sliding units 240.

[0073] In some embodiments, the shading unit 280 includes, but is not limited to, longitudinal shading louvers.

[0074] like Figure 2 As shown, the keel unit 210 includes at least two horizontal keel elements 211 and several vertical keel elements 212. The two horizontal keel elements 211 are vertically spaced on the outer side of the glass curtain wall and connected to it. A first guide unit 220 and an adjustment unit 270 are provided on the side of each horizontal keel element 211, and a second guide unit 230 and a frame unit 260 are provided on the outer side of each horizontal keel element 211. Several vertical keel elements 212 are spaced apart between the horizontal keel elements 211.

[0075] In some of these embodiments, the transverse keel element 211 is fixed to the outside of the glass curtain wall by metal embedded parts.

[0076] In some of these embodiments, the axial dimension (e.g., length) of the transverse keel element 211 is equal to twice its radial dimension (e.g., width).

[0077] In some embodiments, the cross-section of the transverse keel element 211 is U-shaped. Specifically, the open end of the transverse keel element 211 is oriented towards the glass curtain wall.

[0078] In some of these embodiments, the transverse keel element 211 is a light steel keel.

[0079] In some embodiments, the connection methods between the longitudinal keel element 212 and the transverse keel element 211 include, but are not limited to, welding and screw connection.

[0080] In some of these embodiments, the longitudinal keel element 212 is a light steel keel.

[0081] like Figure 3 As shown, the first guide unit 220 includes a first guide element 221. The first guide element 221 is horizontally disposed on the side of the keel unit 210 and is slidably connected to the first sliding unit 240.

[0082] Specifically, the first guide element 221 is horizontally disposed on the side of the transverse keel element 211.

[0083] The axial direction of the first guide element 221 is perpendicular to the plane of the glass curtain wall.

[0084] In some of these embodiments, the first guide element 221 is connected to the transverse keel element 211 via metal corner brackets.

[0085] In some embodiments, there are two first guide elements 221. The two first guide elements 221 are respectively disposed at the top and bottom of the keel unit 210.

[0086] In some of these embodiments, the first guide element 221 has a circular cross-section.

[0087] In some of these embodiments, the first guide element 221 is a metal guide rail.

[0088] like Figure 4 As shown, the second guide unit 230 includes a second guide element 231. The second guide element 231 is horizontally disposed on the outside of the keel unit 210 and is slidably connected to the second sliding unit 250. The second guide element 231 and the first guide unit 220 are disposed perpendicular to each other.

[0089] Specifically, the second guide element 231 is horizontally disposed on the outside of the transverse keel element 211, and the second guide element 231 and the first guide element 221 are disposed perpendicular to each other.

[0090] The axial direction of the second guide element 231 is parallel to the plane of the glass curtain wall.

[0091] The second guide element 231 and the first guide element 221 are located on the same horizontal plane.

[0092] In some of these embodiments, the second guide element 231 is connected to the transverse keel element 211 via metal corner brackets.

[0093] In some embodiments, there are two second guide elements 231. The two second guide elements 231 are respectively disposed at the top and bottom of the keel unit 210.

[0094] In some of these embodiments, the second guide element 231 has a circular cross-section.

[0095] In some of these embodiments, the second guide element 231 is a metal guide rail.

[0096] like Figure 5As shown, the first sliding unit 240 includes a first sliding element 241 and a first rotating element 242. The first sliding element 241 is slidably connected to the first guide unit 220 and can reciprocate along the axial direction of the first guide unit 220. The first rotating element 242 is disposed at the bottom of the first sliding element 241 and is rotatably connected to the first end of the frame unit 260. The first rotating element 242 is connected to the adjustment unit 270.

[0097] Specifically, the first sliding element 241 is slidably connected to the first guide element 221.

[0098] In some embodiments, there are two first sliding elements 241. The two first sliding elements 241 are slidably connected to the corresponding second guide elements 231.

[0099] In some of these embodiments, the first sliding element 241 includes, but is not limited to, a slider or a pulley.

[0100] In some embodiments, the connection method between the first rotating element 242 and the first sliding element 241 includes, but is not limited to, welding and integral molding.

[0101] The number of first rotating elements 242 matches the number of first sliding elements 241. Generally, the number of first rotating elements 242 is equal to the number of first sliding elements 241, that is, there is a one-to-one correspondence between the first rotating elements 242 and the first sliding elements 241.

[0102] In some of these embodiments, the longitudinal section of the first rotating element 242 is inverted T-shaped.

[0103] In some of these embodiments, the first rotating element 242 is a first limiting shaft.

[0104] like Figure 6 As shown, the second sliding unit 250 includes a second sliding element 251 and a second rotating element 252. The second sliding element 251 is slidably connected to the second guide unit 230 and can reciprocate along the axial direction of the second guide unit 230. The second rotating element 252 is disposed at the bottom of the second sliding element 251 and is rotatably connected to the second end of the frame unit 260.

[0105] Specifically, the second sliding element 251 is slidably connected to the second guide element 231, and the second sliding element 251 can reciprocate along the axial direction of the second guide element 231.

[0106] In some embodiments, there are two second sliding elements 251. The two second sliding elements 251 are slidably connected to the corresponding second guide elements 231.

[0107] In some of these embodiments, the second sliding element 251 includes, but is not limited to, a slider or a pulley.

[0108] In some embodiments, the connection method between the second rotating element 252 and the second sliding element 251 includes, but is not limited to, welding and integral molding.

[0109] The number of second rotating elements 252 matches the number of second sliding elements 251. Generally, the number of second rotating elements 252 is equal to the number of second sliding elements 251, that is, there is a one-to-one correspondence between the second rotating elements 252 and the second sliding elements 251.

[0110] In some of these embodiments, the longitudinal section of the second rotating element 252 is inverted T-shaped.

[0111] In some of these embodiments, the second rotating element 252 is a second limiting shaft.

[0112] like Figure 7 As shown, the frame unit 260 includes a frame element 261, a third rotating element 262, and a fourth rotating element 263. The frame element 261 is movably disposed on the outside of the keel unit 210, and a sunshade unit 280 is disposed inside the frame element 261. The third rotating element 262 is disposed at the first end of the frame element 261 and is rotatably connected to the first sliding unit 240. The fourth rotating element 263 is disposed at the second end of the frame element 261 and is rotatably connected to the second sliding unit 250.

[0113] Specifically, the frame element 261 is movably disposed between the two transverse keel elements 211; the third rotating element 262 is rotatably connected to the first rotating element 242; and the fourth rotating element 263 is rotatably connected to the second rotating element 252.

[0114] The dimensions of the frame element 261 are matched with the dimensions of the transverse keel element 211. Generally, the radial dimension (e.g., width) of the frame element 261 is smaller than the axial dimension (e.g., length) of the transverse keel element 211.

[0115] In some of these embodiments, the width of the frame element 261 is equal to half the length of the transverse keel element 211.

[0116] The dimensions of the frame element 261 are matched with the dimensions of the longitudinal keel element 212. Generally, the height of the frame element 261 is less than the height of the longitudinal keel element 212.

[0117] In some of these embodiments, the cross-section of the frame element 261 is annular rectangular.

[0118] In some embodiments, there are two third rotating elements 262. The two third rotating elements 262 are respectively disposed at the top and bottom of the first end of the frame element 261.

[0119] In some of these embodiments, the cross-section of the third rotating element 262 is circular.

[0120] In some of these embodiments, the third rotating element 262 is the first rotating hole.

[0121] In some embodiments, there are two fourth rotating elements 263. The two fourth rotating elements 263 are respectively disposed at the top and bottom of the second end of the frame element 261.

[0122] The dimensions of the fourth rotating element 263 are matched with the dimensions of the transverse keel element 211. Generally, the distance between the fourth rotating element 263 and the third rotating element 262 is less than the width of the transverse keel element 211.

[0123] In some of these embodiments, the cross-section of the fourth rotating element 263 is circular.

[0124] In some of these embodiments, the fourth rotating element 263 is a second rotating hole.

[0125] like Figure 8 As shown, the adjustment unit 270 includes an adjustment element 271, a drive element 272, a moving element 273, and a transmission element 274. The adjustment element 271 is located in the middle of the side portion of the keel unit 210; the drive element 272 is located at the end of the adjustment element 271 and is used to drive the adjustment element 271 to rotate; the moving element 273 is sleeved on the adjustment element 271 and meshes with it, and is used to reciprocate horizontally under the action of the adjustment element 271; the transmission element 274 is connected to the moving element 273 and the first sliding unit 240 respectively, and is used to drive the first sliding unit 240 to reciprocate horizontally.

[0126] Specifically, the adjusting element 271 is disposed in the middle of the side of the longitudinal keel element 212; the end of the transmission element 274 is connected to the first sliding element 241.

[0127] In some of these embodiments, the adjusting element 271 is connected to the longitudinal keel element 212 by screws.

[0128] The dimensions of the adjusting element 271 are matched with the dimensions of the transverse keel element 211. Generally, the axial dimension (e.g., length) of the adjusting element 271 is smaller than the radial dimension (e.g., width) of the transverse keel element 211.

[0129] In some of these embodiments, the adjusting element 271 is a lead screw assembly.

[0130] In some of these embodiments, the drive element 272 is a forward and reverse rotating motor.

[0131] The moving element 273 and the adjusting element 271 are connected by a threaded engagement.

[0132] In some of these embodiments, the moving element 273 is a threaded adjustment element.

[0133] In some embodiments, the connection between the transmission element 274 and the moving element 273 includes, but is not limited to, screw connection and welding.

[0134] In some embodiments, the connection between the transmission element 274 and the first sliding element 241 includes, but is not limited to, a screw connection.

[0135] The dimensions of the transmission element 274 are matched with the dimensions of the longitudinal keel element 212. Generally, the axial dimension (e.g., height) of the transmission element 274 is smaller than the axial dimension (e.g., height) of the longitudinal keel element 212.

[0136] In some of these embodiments, the transmission element 274 is a transmission rod.

[0137] The method of using this utility model is as follows:

[0138] (a) Shading status

[0139] At this time, the moving element 273 is located at the end of the adjusting element 271 away from the glass curtain wall, and the frame element 261, the sunshade unit 280 and the plane where the glass curtain wall is located are set in parallel.

[0140] (ii) Collapsed state

[0141] The drive element 272 is controlled to rotate the adjustment element 271, and the moving element 273 moves toward the glass curtain wall under the action of the adjustment element 271.

[0142] The moving element 273 drives the first sliding element 241 to move along the first guide element 221 towards the glass curtain wall via the transmission element 274, thereby driving the first end of the frame element 261 to move, while the second end of the frame element 261 moves towards the end of the transverse keel element 211 at the angle of the plane where the sunshade unit 280 is located.

[0143] When the second end of the frame element 261 moves to the end of the horizontal keel element 211, the drive element 272 is turned off. At this time, the sunshade unit 280 is set almost perpendicular to the glass curtain wall, and the sunshade unit 280 does not obstruct the interior.

[0144] The advantage of this utility model is that by setting the first guide unit and the second guide unit on the outside of the glass curtain wall, the frame unit and the shading unit can change the angle between themselves and the glass curtain wall under the action of the adjustment unit. The indoor light environment can be adjusted according to the outside light, ensuring good indoor lighting while also providing shading. This solves the problems of the fixed installation of existing building facade shading components, which cannot be adjusted and affect the indoor light environment, and have a limited range of applications.

[0145] Example 2

[0146] This embodiment relates to the sunshade curtain wall system of this utility model.

[0147] like Figure 9 As shown, a sunshade curtain wall system includes a glass curtain wall 100 and a sunshade device 200 as described in Embodiment 1. The sunshade device 200 is disposed on the outer side of the glass curtain wall 100.

[0148] The advantages of this utility model are basically the same as those of Embodiment 1, and will not be repeated here.

[0149] The above description is only a preferred embodiment of the present utility model and does not limit the implementation method and protection scope of the present utility model. Those skilled in the art should realize that all solutions obtained by equivalent substitutions and obvious changes made based on the description and illustrations of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A sunshade device for building facades, characterized in that, include: Keel unit, the keel unit is disposed on the outside of the glass curtain wall and connected to the glass curtain wall; At least one first guide unit, the first guide unit being horizontally disposed on the side of the keel unit; At least one second guide unit, the second guide unit being horizontally disposed on the outside of the keel unit, the second guide unit being perpendicular to each other; At least one first sliding unit, the first sliding unit being slidably connected to the first guide unit, the first sliding unit being capable of reciprocating along the axial direction of the first guide unit; At least one second sliding unit is provided, the second sliding unit is slidably connected to the second guide unit, and the second sliding unit can reciprocate along the axial direction of the second guide unit; At least one frame unit is provided, the frame unit being movably disposed on the outside of the keel unit, the first end of the frame unit being rotatably connected to the first sliding unit, and the second end of the frame unit being rotatably connected to the second sliding unit; At least one adjustment unit is provided, which is disposed in the middle of the side of the keel unit and connected to the first sliding unit, for driving the first sliding unit to reciprocate in the horizontal direction; At least one shading unit is disposed inside the frame unit for shading.

2. The sunshade device according to claim 1, characterized in that, The keel unit includes: At least two horizontal keel elements are provided, which are arranged vertically at intervals on the outside of the glass curtain wall and connected to the glass curtain wall. The side of each horizontal keel element is provided with the first guide unit and the adjustment unit, and the outside of each horizontal keel element is provided with the second guide unit and the frame unit. A plurality of longitudinal keel elements are spaced apart between the transverse keel elements.

3. The sunshade device according to claim 1, characterized in that, The first guiding unit includes: A first guide element is horizontally disposed on the side of the keel unit and slidably connected to the first sliding unit.

4. The sunshade device according to claim 1, characterized in that, The second guiding unit includes: The second guide element is horizontally disposed on the outside of the keel unit and slidably connected to the second sliding unit. The second guide element is perpendicular to the first guide unit.

5. The sunshade device according to claim 1, characterized in that, The first sliding unit includes: A first sliding element is slidably connected to the first guide unit, and the first sliding element can reciprocate along the axial direction of the first guide unit; A first rotating element is disposed at the bottom of the first sliding element and is rotatably connected to the first end of the frame unit. The first rotating element is connected to the adjustment unit.

6. The sunshade device according to claim 1, characterized in that, The second sliding unit includes: The second sliding element is slidably connected to the second guide unit, and the second sliding element can reciprocate along the axial direction of the second guide unit; The second rotating element is disposed at the bottom of the second sliding element and is rotatably connected to the second end of the frame unit.

7. The sunshade device according to claim 1, characterized in that, The frame unit includes: A frame element is movably disposed on the outside of the keel unit, and the sunshade unit is disposed inside the frame element; A third rotating element is disposed at the first end of the frame element and is rotatably connected to the first sliding unit; A fourth rotating element is disposed at the second end of the frame element and is rotatably connected to the second sliding unit.

8. The sunshade device according to claim 1, characterized in that, The adjustment unit includes: An adjustment element is disposed in the middle of the side portion of the keel unit; A driving element is disposed at the end of the adjusting element and is used to drive the adjusting element to rotate; A movable element, which is sleeved on and engaged with the adjusting element, is used to reciprocate in the horizontal direction under the action of the adjusting element; A transmission element is connected to the moving element and the first sliding unit respectively, and is used to drive the first sliding unit to reciprocate in the horizontal direction.

9. A sunshade curtain wall system for building facades, characterized in that, include: Glass curtain wall; The sunshade device as described in any one of claims 1 to 8, wherein the sunshade device is disposed on the outer side of the glass curtain wall.

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