CN215330789U - Grid piece and grid curtain wall for building - Google Patents
Grid piece and grid curtain wall for building Download PDFInfo
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- CN215330789U CN215330789U CN202121466253.XU CN202121466253U CN215330789U CN 215330789 U CN215330789 U CN 215330789U CN 202121466253 U CN202121466253 U CN 202121466253U CN 215330789 U CN215330789 U CN 215330789U
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Abstract
The utility model discloses a grid piece for a building, which comprises a connecting piece and a grid piece group, wherein the connecting piece comprises a main body and a plurality of connecting side parts, the connecting side parts are arranged along the length direction of the connecting piece, and the connecting side parts are arranged along the axial direction of the main body in a separated manner; the grid piece group comprises a plurality of grid pieces, the grid pieces are provided with installation side portions along the edges of the grid pieces, and the installation side portions are embedded and matched with the connection side portions and can slide along the connection side portions. Because the cross sections of the grid pieces are consistent, the structures of the connecting pieces and the grid pieces are simpler, and the grid pieces and the connecting pieces are difficult to manufacture, the manufacturing difficulty of the grid pieces is reduced.
Description
Technical Field
The utility model relates to the technical field of buildings, in particular to a grid piece and a grid curtain wall for buildings.
Background
In the related art, in a building, a grille curtain wall is decorated on the outer side of a wall, a grille part of the grille curtain wall is formed by welding a plurality of metal sheets or is directly cast and molded, and the grille part is in a step shape from bottom to top. The grid part is difficult to manufacture due to the complex structure of the grid part.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a grid part for buildings, which is convenient to install.
The utility model also provides a grating curtain wall with the grating piece for the building.
A grid member for a building according to an embodiment of the present invention includes:
the connecting piece comprises a main body and a plurality of connecting side parts, the connecting side parts are arranged along the length direction of the connecting piece, and the connecting side parts are arranged at intervals along the axial direction of the main body;
the grid sheet set comprises a plurality of grid sheets, the grid sheets are provided with installation side parts along the edges of the grid sheets, and the installation side parts are embedded and matched with the connection side parts; wherein the cross section of each grid plate is consistent.
The grid part for the building provided by the embodiment of the utility model at least has the following beneficial effects: compared with the prior art that the grid part is directly formed by casting or welding, the grid part in the scheme of the application is formed by assembling the connecting piece and the plurality of grid pieces, namely, the installation side parts of the plurality of grid pieces are respectively assembled and connected with the connection side part of the connecting piece; and, a plurality of connection lateral parts separate the setting along the axial direction of main part to guarantee that a plurality of grid pieces can not mutual interference, so, along the axial direction of connecting piece, can have overlap region between the grid piece, so, a plurality of grid pieces can the setting of high-low mistake, and then form the grid spare that the user needed. Therefore, compared with the prior art, the cross sections of the grid pieces are consistent, the structures of the connecting pieces and the grid pieces are simpler, and the grid pieces and the connecting pieces are difficult to manufacture, so that the manufacturing difficulty of the grid pieces is reduced; in addition, the grating elements can be flexibly mounted as required.
According to some embodiments of the present invention, the connecting side portion is a strip-shaped protrusion disposed on the main body, the mounting side portion is a mounting groove disposed on an edge surface of the grid plate and having a U-shape, and the strip-shaped protrusion is fitted in the mounting groove.
According to some embodiments of the utility model, a side wall of the strip-shaped protrusion is provided with a first limiting part, an inner wall of the mounting groove is provided with a second limiting part, and a side surface of the first limiting part facing the main body is connected with a side surface of the second limiting part far away from the main body in an abutting mode.
According to some embodiments of the utility model, the connector further comprises a first protrusion disposed along a length direction of the connection side and connected in abutment with the mounting side; or the mounting side part is provided with a second bulge part along the length direction of the mounting side part, and the second bulge part is connected with the side wall of the connecting side part in an abutting mode.
According to some embodiments of the utility model, the grid element further comprises a first fastening member connected to the grid segments and the connecting side portion.
According to some embodiments of the utility model, the connecting member comprises a first connecting section and a second connecting section along a length direction thereof, a cross section of the first connecting section is identical to a cross section of the second connecting section, wherein a cross section of the main body is a regular polygon, at least one connecting side portion is arranged on the first connecting section, and at least one connecting side portion is arranged on the second connecting section.
According to some embodiments of the utility model, one end of the first connecting section is fixedly connected with one end of the second connecting section; or, the grid part further comprises an adapter part, one end of the adapter part is connected with the grid piece located in the first connecting section, and the other end of the adapter part is connected with the grid piece located in the second connecting section.
According to some embodiments of the utility model, the plurality of grid segments are respectively a first grid segment, a second grid segment, a third grid segment and a fourth grid segment; the first connecting section is provided with two connecting side parts which face opposite directions, and the first grid plate and the second grid plate are respectively connected to the connecting side parts of the first connecting section; the second connecting section is provided with two connecting side portions with opposite directions, the third grid piece and the fourth grid piece are respectively connected to the connecting side portions of the second connecting section, the third grid piece and the fourth grid piece are different in length, and the direction of the connecting side portion of the first connecting section is perpendicular to the direction of the connecting side portion of the second connecting section.
According to some embodiments of the utility model, the grid segments and the connecting pieces are both arranged hollow.
According to the embodiment of the utility model, the grid curtain wall comprises: the lower base is connected to the wall and provided with a slot with an upward opening; the upper top seat is connected to the wall; in the grating piece, the bottom of the grating piece is connected with the slot in an inserting manner, and the top of the grating piece is fixedly connected with the upper top seat.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described with reference to the following figures and examples, in which:
FIG. 1 is a schematic view of the overall structure of a grating element according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged view of the area A of FIG. 2;
FIG. 4 is a schematic diagram of the exploded structure of FIG. 1;
FIG. 5 is a schematic view of a connection structure of a first connection section and a second connection section of a grating element according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 7 is an enlarged view of the area B of FIG. 6;
fig. 8 is a schematic structural diagram of a lower base according to an embodiment of the present invention.
Reference numerals:
a grating element 10;
a connecting member 100; the first connecting section 110, the second connecting section 120, the main body 130, the connecting side 140, the first limiting portion 141, and the first protruding portion 150;
the grating plate comprises a grating plate group 200, a grating plate 210, a mounting side 211, a second limiting part 212, a first grating plate 220, a second grating plate 230, a third grating plate 240 and a fourth grating plate 250;
a first fastener 300;
an adaptor 400, a second fastener 410;
a lower base 500, a slot 510;
and an upper top seat 600.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and the above, below, exceeding, etc. are understood as excluding the present numbers, and the above, below, within, etc. are understood as including the present numbers. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
In the description of the present invention, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The utility model discloses a grid member 10 for a building, and referring to fig. 1 to 3, the grid member 10 comprises a connecting member 100 and a grid plate group 200, the connecting member 100 comprises a main body 130 and a plurality of connecting side parts 140, the connecting side parts 140 are arranged along the length direction of the connecting member 100, and the connecting side parts 140 are arranged along the axial direction of the main body 130 in a separated manner; the grating sheet set 200 comprises a plurality of grating sheets 210, the grating sheets 210 are provided with mounting sides 211 along the edges thereof, and the mounting sides 211 are embedded and matched with the connecting sides 140.
Compared with the prior art in which the grid element 10 is directly cast or welded, the grid element 10 in the present application is formed by assembling the connecting member 100 and the plurality of grid pieces 210, that is, the mounting side portions 211 of the plurality of grid pieces 210 are respectively assembled and connected to the connecting side portions 140 of the connecting member 100; also, the plurality of connection lateral portions 140 are spaced apart from each other along the axial direction of the main body 130, so as to ensure that the plurality of grating pieces 210 do not interfere with each other, and thus, along the axial direction of the connection member 100, there may be an overlapping area between the grating pieces 210, and thus, the plurality of grating pieces 210 can be arranged in a staggered manner, thereby forming the grating member 10 required by the user. Therefore, compared with the prior art, the cross sections of the grid pieces 210 are consistent, the structures of the connecting pieces 100 and the grid pieces 210 are simpler, and the manufacturing difficulty of the grid pieces 210 and the connecting pieces 100 is reduced, so that the manufacturing difficulty of the grid piece 10 is reduced.
It should be noted that the connecting pieces 100 and the grid pieces 210 are made of a long size, and the connecting pieces 100 and the grid pieces 210 are made of a metal material, so that a large friction force exists between the connecting side portions 140 and the mounting side portions 211, thereby ensuring that the connecting pieces 100 and the grid pieces 10 have a large friction force, and further ensuring that the grid pieces 210 and the connecting pieces 100 are fixedly mounted.
In addition, the cross sections of the plurality of grid pieces 210 are consistent, a mold can be used for manufacturing longer grid pieces 210, and the grid pieces 210 with corresponding lengths are cut according to needs, so that each needed grid piece 210 is obtained; similarly, a longer connector 100 can be manufactured using a single mold, and the connector 100 can be cut to a corresponding length as needed. In the scheme of the application, because the structures of the connecting piece 100 and the grid pieces 210 are simple, the manufacturing processes of the connecting piece 100 and the grid pieces 210 are simple, so that the manufacturing difficulty and the manufacturing cost of the grid piece 10 are low; in addition, the length of the grating pieces 210 and the length of the connecting member 100 can be made longer, so that more grating pieces 210 and connecting members 100 can be cut, and the grating pieces 10 can be manufactured in a large scale.
In some embodiments, referring to fig. 2 and 3, the connection side portion 140 is a strip-shaped protrusion disposed on the main body 130, the length of the strip-shaped protrusion is the same as that of the main body 130, the installation side portion 211 is an installation groove disposed on the edge surface of the grid sheet 210, the cross section of the installation groove is U-shaped, the installation groove is communicated with two ends of the grid sheet 210, the strip-shaped protrusion is embedded in the installation groove, and the friction between the inner wall of the installation groove and the side wall of the strip-shaped protrusion is large enough, so as to realize the stable installation between the connection member 100 and the grid sheet 210; moreover, the grid pieces 210 and the connecting pieces 100 are connected in such a way that the compact connection between the main body 130 and the grid pieces 210 is ensured.
Further, in order to prevent the grating pieces 210 from separating from the connecting member 100 along the radial direction of the connecting member 100, the sidewall of the bar-shaped protrusion is provided with a first limiting portion 141 along the axial direction thereof, i.e., is opened in a U-shaped groove of the bar-shaped protrusion. The inner wall of the mounting groove is provided with a second limiting part 212 along the length direction, namely a bulge arranged on the side wall of the mounting groove. Wherein, the side of first spacing portion 141 towards main part 130 is connected with the side butt that main part 130 was kept away from to second spacing portion 212, so, prevent that bar arch and mounting groove from breaking away from along the radial direction of connecting piece 100, and then prevent that grid piece 210 from breaking away from connecting piece 100 along the radial direction of connecting piece 100. It should be noted that, since the edge surface of the grating sheet 210 abuts against the side wall of the main body 130, the precise positioning between the grating sheet 210 and the connecting member 100 is further achieved.
In some embodiments, the grid member 10 further comprises a first fastening member 300, the first fastening member 300 is a bolt or a screw, and the first fastening member 300 is connected to both the grid plate 210 and the connecting side portion 140, so as to fixedly connect the grid plate 210 to the connecting side portion 140, and further to fixedly connect the grid plate 210 to the connecting member 100. It should be noted that, the connecting pieces 100 and the grid pieces 210 are made of aluminum alloy materials, the connecting pieces 100 and the grid pieces 210 have low hardness, and the screws can be connected with the grid pieces 210 and the connecting side portions 140 in a self-tapping mode.
In some embodiments, in order to reduce the friction between the connecting side 140 and the mounting side 211, the connecting member 100 further includes a first protrusion 150, the first protrusion 150 is disposed along the length direction of the connecting side 140 and connected to the inner wall of the mounting side 211 in an abutting manner, so that the side wall of the connecting side 140 is spaced apart from the inner wall of the mounting side 211, thereby reducing the friction between the connecting side 140 and the mounting side 211, facilitating the sliding of the connecting side 140 into the mounting side 211, and facilitating the installation of the connecting member 100 and the grid sheet 210; instead, the mounting side portion 211 is provided with a second protrusion (not shown) along the length direction thereof, and the second protrusion is connected to the side wall of the connecting side portion 140 in an abutting manner, so that the side wall of the connecting side portion 140 is separated from the inner wall of the mounting side portion 211, thereby reducing the friction between the connecting side portion 140 and the mounting side portion 211, and further facilitating the sliding of the connecting side portion 140 into the mounting side portion 211, and facilitating the installation of the connecting member 100 and the grid sheet 210.
In some embodiments, referring to fig. 3 to 5, the connection member 100 includes a first connection segment 110 and a second connection segment 120 along a length direction thereof, the first connection segment 110 and the second connection segment 120 have a cross section corresponding to each other, and a main body 130 of the first connection segment 110 and a main body 130 of the second connection segment 120 have a cross section of a regular polygon or a circle and are overlapped in an axial direction of the connection member 100 (refer to fig. 5). Wherein, at least one connecting side 140 is disposed on the first connecting section 110, and at least one connecting side 140 is disposed on the second connecting section 120.
The connecting member 100 adopts the above-mentioned connecting structure, wherein at least one connecting side 140 is disposed on the first connecting section 110, and at least one connecting side 140 is disposed on the second connecting section 120, so as to realize connecting sides 140 with different heights, and thus, even if the bottom of the grid piece 210 of the second connecting section 120 is higher than the bottom of the grid piece 210 of the first connecting section 110, the connecting side 140 is ensured to be hidden in the mounting side 211, and the connecting side 140 is prevented from being exposed to the outside of the grid element 10, which affects the beauty of the grid element 10; secondly, the cross sections of the first connecting section 110 and the second connecting section 120 are consistent, so that the first connecting section 110 and the second connecting section 120 are ensured to be manufactured by one mold, and the manufacturing cost of the grid element 10 is reduced. Third, the cross sections of the main body 130 of the first connection section 110 and the main body 130 of the second connection section 120 are both regular polygons or circles, so that the second connection section 120 uses the main body 130 of the first connection section 110 as a center, and rotates by a preset angle, and the main body 130 of the first connection section 110 coincides with the main body 130 of the second connection section 120, thereby ensuring that the grid piece 210 on the first connection section 110 can extend to the side of the second connection section 120, and ensuring that the grid piece 210 on the second connection section 120 can extend to the side of the first connection section 110, and ensuring that the edge surface of the grid piece 210 can be attached to the side wall of the second connection section 120, thereby manufacturing the grid piece 10 with different heights.
Further, in order to achieve relative fixation between the grating sheets 210 of the first connection section 110 and the grating sheets 210 of the second connection section 120, in some embodiments, one end of the main body 130 of the first connection section 110 is fixedly connected with one end of the main body 130 of the second connection section 120, for example, welded connection, thereby achieving relative fixation between the grating sheets 210 of the first connection section 110 and the grating sheets 210 of the second connection section 120. Alternatively, referring to fig. 6 and 7, the grating element 10 further comprises an adaptor 400 and second fastening members 410, the adaptor 400 is L-shaped, one section of the adaptor 400 is connected with the grating sheets 210 of the first connecting section 110 under the action of one second fastening member 410, and the other section of the adaptor 400 is connected with the grating sheets 210 of the second connecting section 120 under the action of the other second fastening member 410. It should be noted that the second fastening member 410 may be one of a bolt and a screw.
It should be noted that the connecting member 100 may be provided with a third connecting section, a fourth connecting section, etc. according to the needs of the grating member 10, which will not be described in detail.
In some embodiments, the number of the grating pieces 210 is four, namely, a first grating piece 220, a second grating piece 230, a third grating piece 240 and a fourth grating piece 250, the first connecting section 110 is provided with two connecting sides 140 facing opposite directions, and the first grating piece 220 and the second grating piece 230 are respectively connected to the connecting sides 140; the second connecting section 120 is provided with two connecting sides 140 facing opposite directions, the connecting side 140 of the first connecting section 110 faces perpendicular to the connecting side 140 of the second connecting section 120, the third grating sheet 240 and the fourth grating sheet 250 are respectively connected to the connecting sides 140, and the third grating sheet 240 and the fourth grating sheet 250 have different lengths.
In the assembling process of the grating element 10, the first grating sheet 220 and the second grating sheet 230 are respectively installed on the connecting side 140 of the first connecting section 110, the third grating sheet 240 and the fourth grating sheet 250 are respectively installed on the connecting side 140 of the second connecting section 120, so that the top view of the grating element 10 is in a cross shape, the first grating sheet 220 and the second grating sheet 230 are arranged at the same height, the upper end of the second grating sheet 230 extends to the side of the second connecting section 120, the lower ends of the third grating sheet 240 and the fourth grating sheet 250 extend to the side of the first connecting section 110, and the top of the fourth grating sheet 250 is higher than the top of the third grating sheet 240, so as to form the stepped grating element 10.
It should be noted that the number of the connecting side portions 140 of each connecting section can also be three, and therefore, the side wall of each connecting section can be connected with three grid plates 210; likewise, the number of connecting sides 140 of each connecting section can also be four, and thus, the side wall of each connecting section can be connected with four grid segments 210.
According to a second aspect of the present invention, a grille curtain wall is disclosed, wherein the grille member 10 further comprises a lower base 500 and an upper top base 600 (refer to fig. 2), the lower base 500 is fixedly mounted on a steel frame on a wall, the lower base 500 is U-shaped, a U-shaped slot 510 (refer to fig. 8) is formed in the lower base 500, an opening of the slot 510 is vertically arranged upward, and bottoms of the first grille plate 220 and the second grille plate 230 are inserted into the slot 510. The upper top seat 600 is also fixedly installed on the steel frame of the wall, and the upper top seat 600 is connected with the top of the fourth grid plate 250, thereby fixing the upper top of the grid member 10. By adopting the above structure, when the grating member 10 is assembled, the lower base 500 and the upper top base 600 are firstly installed on the steel frame on the wall, the grating member 10 is hoisted to a preset height, the bottom of the grating member 10 is inserted into the slot 510, so as to weigh the grating member 10, and then the top of the grating member 10 is assembled and connected to the top base 600, so as to realize the installation of the grating member 10. In summary, the arrangement of the lower base 500 and the upper top base 600 ensures the stability of the grid element 10 and the convenience of assembling the grid element 10.
The grating elements 10 are provided in plurality, each grating element 10 is vertically installed on the outer wall of the wall, and the plurality of grating elements 10 are installed on the wall around the circumferential direction of the wall, so as to form the required grating curtain wall.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
Claims (10)
1. A grid member for construction, comprising:
the connecting piece comprises a main body and a plurality of connecting side parts, the connecting side parts are arranged along the length direction of the connecting piece, and the connecting side parts are arranged at intervals along the axial direction of the main body;
the grid sheet set comprises a plurality of grid sheets, the grid sheets are provided with installation side parts along the edges of the grid sheets, and the installation side parts are embedded and matched with the connection side parts; wherein the cross section of each grid plate is consistent.
2. The grid member for building of claim 1, wherein the connecting side portion is a strip-shaped protrusion disposed on the main body, the mounting side portion is a mounting groove opened on the edge surface of the grid plate and having a U-shape, and the strip-shaped protrusion is fitted in the mounting groove.
3. The grid member for building of claim 2, wherein the side wall of the strip-shaped protrusion is provided with a first limiting part, the inner wall of the mounting groove is provided with a second limiting part, and the side surface of the first limiting part facing the main body is connected with the side surface of the second limiting part far away from the main body in an abutting manner.
4. A grill for construction according to claim 1, wherein the connecting member further comprises a first projecting portion provided along a longitudinal direction of the connecting side portion and connected in abutment with the mounting side portion; or the mounting side part is provided with a second bulge part along the length direction of the mounting side part, and the second bulge part is connected with the side wall of the connecting side part in an abutting mode.
5. A construction grid according to claim 1, wherein the grid element further comprises a first fastening member, the first fastening member being connected to the grid segments and the connecting side portion.
6. A grill member for construction according to claim 1, wherein the connecting member includes a first connecting section and a second connecting section along a length direction thereof, a cross section of the first connecting section is identical to a cross section of the second connecting section, a main body of the first connecting section coincides with a main body of the second connecting section, at least one of the connecting side portions is provided to the first connecting section, and at least one of the connecting side portions is provided to the second connecting section;
wherein the cross section of the main body is a regular polygon or a circle.
7. A grill member for construction according to claim 6, wherein one end of the first connecting section is fixedly connected to one end of the second connecting section;
or, the grid part further comprises an adapter part, the adapter part is connected with the grid pieces located in the first connecting section, and the adapter part is connected with the grid pieces located in the second connecting section.
8. The architectural grid member of claim 6, wherein a plurality of said grid segments are a first grid segment, a second grid segment, a third grid segment, and a fourth grid segment, respectively;
the first connecting section is provided with two connecting side parts which face opposite directions, and the first grid plate and the second grid plate are respectively connected to the connecting side parts of the first connecting section; the second connecting section is provided with two connecting side portions with opposite directions, the third grid piece and the fourth grid piece are respectively connected to the connecting side portions of the second connecting section, the third grid piece and the fourth grid piece are different in length, and the direction of the connecting side portion of the first connecting section is perpendicular to the direction of the connecting side portion of the second connecting section.
9. A grating member for building according to claim 1, wherein the grating pieces and the connecting members are hollow.
10. Grid curtain wall, its characterized in that includes:
the lower base is connected to the wall and provided with a slot with an upward opening;
the upper top seat is connected to the wall;
the grid member as claimed in any one of claims 1 to 9, wherein the bottom of the grid plate is connected to the slot by plugging, and the top of the grid plate is fixedly connected to the upper top seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121466253.XU CN215330789U (en) | 2021-06-29 | 2021-06-29 | Grid piece and grid curtain wall for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121466253.XU CN215330789U (en) | 2021-06-29 | 2021-06-29 | Grid piece and grid curtain wall for building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215330789U true CN215330789U (en) | 2021-12-28 |
Family
ID=79563145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121466253.XU Active CN215330789U (en) | 2021-06-29 | 2021-06-29 | Grid piece and grid curtain wall for building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215330789U (en) |
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2021
- 2021-06-29 CN CN202121466253.XU patent/CN215330789U/en active Active
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