CN211714292U - Convenient aluminum alloy curtain wall mounting structure who dismantles - Google Patents
Convenient aluminum alloy curtain wall mounting structure who dismantles Download PDFInfo
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- CN211714292U CN211714292U CN202020098359.8U CN202020098359U CN211714292U CN 211714292 U CN211714292 U CN 211714292U CN 202020098359 U CN202020098359 U CN 202020098359U CN 211714292 U CN211714292 U CN 211714292U
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 65
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005034 decoration Methods 0.000 abstract description 3
- 230000001771 impaired effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The utility model relates to a architectural decoration technical field, more specifically say, it relates to an aluminum alloy curtain wall mounting structure of convenient dismantlement, and its technical scheme main points are: including the wall body, the munnion, horizontal frame and aluminum alloy plate, many munnions are evenly spaced on the wall body and arrange, many horizontal frames are evenly spaced between adjacent munnion, the bottom and the top of horizontal frame slide respectively and are provided with first locating frame and second locating frame, the bottom of first locating frame is provided with first constant head tank, the top of second locating frame is provided with the second constant head tank, aluminum alloy plate sets up between first locating frame and second locating frame, the aluminum alloy plate thickness equals the groove width of first locating tank and second constant head tank respectively, be provided with the locking device that restriction first locating frame and second locating frame slided in the horizontal frame, the utility model discloses a convenient aluminum alloy curtain wall mounting structure who dismantles has the effect of being convenient for dismantle the change with impaired aluminum alloy plate.
Description
Technical Field
The utility model belongs to the technical field of the architectural decoration technique and specifically relates to a convenient aluminum alloy curtain wall mounting structure who dismantles.
Background
The curtain wall is a light wall with decorative effect commonly used in modern large and high-rise buildings, is composed of a panel and a support structure system, can have a certain displacement capacity relative to a main structure or a certain deformation capacity per se, and does not bear the external protective structure or the decorative structure of the building acted by the main structure. The curtain wall is used as a decorative component of the outmost layer of the building, has the characteristic of light weight, and the damage resistance of the curtain wall is poor, when the curtain wall is impacted by hail or other artificial projectiles, the curtain wall is extremely easy to damage, the attractiveness of the whole building curtain wall system is greatly damaged, and the damaged panel in the curtain wall needs to be replaced at the moment. One of the commonly used curtain wall panels is an aluminum alloy plate, in a common aluminum alloy curtain wall system, adjacent aluminum alloy plates are tightly connected together, and when one aluminum alloy plate needs to be replaced independently, the operation is very troublesome.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a convenient aluminum alloy curtain wall mounting structure who dismantles has the effect of being convenient for dismantle the change with impaired aluminum alloy plate.
The above technical purpose of the present invention can be achieved by the following technical solutions: an aluminum alloy curtain wall mounting structure convenient to disassemble comprises a wall body, a plurality of vertical frames, a plurality of transverse frames and aluminum alloy plates, wherein the vertical frames are longitudinally arranged on the wall body;
the transverse frame is rectangular, the bottom and the top of the transverse frame are respectively provided with a first positioning frame and a second positioning frame in a sliding mode, the first positioning frame and the second positioning frame horizontally slide along the width direction of the transverse frame, the bottom of the first positioning frame is provided with a first positioning groove, the first positioning groove is formed along the length direction of the first positioning frame, the first positioning groove penetrates through two ends of the first positioning frame in the length direction, the top of the second positioning frame is provided with a second positioning groove, the second positioning groove is formed along the length direction of the second positioning frame, and the second positioning groove penetrates through two ends of the second positioning frame in the length direction;
the aluminum alloy plate is rectangular, is arranged between the first positioning frame and the second positioning frame, and has a thickness equal to the width of the first positioning groove and the second positioning groove respectively;
and a locking device for limiting the sliding of the first positioning frame and the second positioning frame is arranged in the transverse frame.
By adopting the technical scheme, when a certain aluminum alloy plate needs to be replaced independently, the locking decoration on the adjacent transverse frames is opened, so that the first positioning frame and the second positioning frame on the adjacent transverse frames can slide out in the direction far away from the wall body, after the first positioning frame and the second positioning frame slide out, the aluminum alloy plate needing to be replaced can slide out along the same end in the length direction of the first positioning groove and the second positioning groove, after the aluminum alloy plate is taken out, a new aluminum alloy plate can be inserted from the same end in the length direction of the first positioning groove and the second positioning groove, after the aluminum alloy panel is completely inserted into the first positioning groove and the second positioning groove, the first positioning frame and the second positioning frame are slid in the direction close to the wall body, so that the aluminum alloy plate is moved between the vertical frame and the transverse frame, then the first positioning frame and the second positioning frame are locked through the locking device, and the replacement of the aluminum alloy plate is completed, avoid influencing the aluminum alloy plate of adjacent setting at the change in-process for this aluminum alloy curtain wall mounting structure has and is convenient for dismantle the effect of changing impaired aluminum alloy plate.
The utility model discloses further set up to: locking device includes worm, worm wheel, pivot and spiral shell piece, the worm runs through the lateral wall that deviates from the wall body on the horizontal frame, the worm wheel is provided with two, two the axis direction of worm wheel all is parallel with vertical direction, two the worm wheel is located the both sides of worm respectively and all meshes with the worm, the pivot is provided with two, two the pivot is coaxial with two worm wheels respectively and rotates, and the spiral shell piece is provided with two, two the vertical setting that slides of spiral shell piece, two the spiral shell piece respectively with two pivot threaded connection, two on the spiral shell piece respectively fixedly connected with go up the inserted block and insert the piece down, it can run through the top of horizontal frame and insert in the second locating frame to go up the inserted block, the inserted block can run through the bottom of horizontal frame down and insert in the first locating frame.
Through adopting above-mentioned technical scheme, the worm drives two worm wheels when rotating and rotates, thereby drive two pivot rotations, make two spiral shell pieces vertical slippage simultaneously, thereby make and go up the inserted block and can insert respectively or keep away from second locating frame and first locating frame with the inserted block down, when last inserted block and with the inserted block down insert respectively in second locating frame and the first locating frame, first locating frame and second locating frame fixed mounting are on horizontal frame, thereby will install the aluminum alloy plate stable installation between first locating frame and second locating frame between horizontal frame and munnion, when last inserted block and keep away from second locating frame and first locating frame respectively with the inserted block down, can take first locating frame and second locating frame out, in order to dismantle the change to aluminum alloy plate.
The utility model discloses further set up to: the transverse frame is internally provided with a cavity for accommodating the locking device, the screw block is provided with a sliding block, and the inner wall of the cavity is provided with a sliding groove corresponding to the sliding block.
Through adopting above-mentioned technical scheme, the spiral shell piece passes through slider and spout and vertically slides in horizontal frame.
The utility model discloses further set up to: the outer end of the worm is fixedly connected with a twisting block.
By adopting the technical scheme, the worm is convenient to twist by people due to the arrangement of the twisting block, so that the first positioning frame and the second positioning frame are convenient to lock by people.
The utility model discloses further set up to: the first positioning frame and the second positioning frame are provided with a plurality of T-shaped strips on the opposite surfaces of the transverse frame, and a plurality of T-shaped grooves formed in the corresponding T-shaped strips are correspondingly formed in the top and the bottom of the transverse frame.
Through adopting above-mentioned technical scheme, first locating frame and second locating frame slide on horizontal frame respectively through T shape strip and T-slot.
The utility model discloses further set up to: the one side that deviates from the wall on first locating frame and the second locating frame all is provided with the lug.
Through adopting above-mentioned technical scheme, the setting up of lug is convenient for people and takes first locating frame and second locating frame out to be convenient for people and dismantle the change to aluminium alloy plate.
The utility model discloses further set up to: the connecting piece has all been inserted to the upper end lower extreme of mullion, and is same in two upper and lower mullions are inserted respectively to the connecting piece, and is same the connecting piece passes through the screw respectively with two upper and lower mullion fixed connection, be provided with first corner piece between mullion and the wall body, first corner piece passes through the screw and is connected with the mullion, first corner piece passes through expansion bolts and wall connection.
Through adopting above-mentioned technical scheme, the connecting piece is with adjacent mullion interconnect from top to bottom, and first corner piece links to each other wall body and mullion to with a plurality of mullions fixed the setting on the wall body steadily.
The utility model discloses further set up to: two relative lateral walls on the middle part of mullion are fixed with the second angle piece respectively through stud, are provided with the second angle piece the mullion lateral wall all is perpendicular with the wall body, the mounting groove has been seted up at horizontal frame length direction's both ends, the second angle piece can be embedded into in the mounting groove, horizontal frame passes through both sides mounting groove and installs between adjacent mullion.
Through adopting above-mentioned technical scheme, horizontal frame passes through mounting groove and second corner piece stable installation between adjacent mullion.
To sum up, the utility model discloses following beneficial effect has:
when the aluminum alloy plate in the aluminum alloy curtain wall is damaged and needs to be replaced, the locking device is unlocked by screwing the screwing block, then the first positioning frame and the second positioning frame slide out in the direction away from the wall body, at the moment, the damaged aluminum alloy plate can slide out along the first positioning groove and the second positioning groove, so that the damaged aluminum alloy plate is detached, a new aluminum alloy plate is slidably mounted between the first positioning frame and the second positioning frame along the first positioning groove and the second positioning groove, the first positioning frame and the second positioning frame are moved in the direction close to the wall body, finally, the first positioning frame and the second positioning frame are locked by using the locking device, the replacement is completed, one of the aluminum alloy plates can be replaced independently in the replacement process, and the effect of facilitating the detachment and replacement of the damaged aluminum alloy plate is achieved.
Drawings
FIG. 1 is an overall schematic view of an aluminum alloy curtain wall mounting structure in the present embodiment;
FIG. 2 is an exploded view of the mullion in this embodiment;
FIG. 3 is an exploded view of a horizontal frame in the present embodiment;
fig. 4 is a partial structural sectional view of the horizontal frame in the present embodiment.
In the figure: 1. a wall body; 2. a mullion; 3. a transverse frame; 4. aluminum alloy plate; 5. a connecting member; 6. a first corner piece; 7. a screw; 8. an expansion bolt; 9. a second corner piece; 10. a stud bolt; 11. mounting grooves; 12. a T-shaped slot; 13. a first positioning frame; 14. a second positioning frame; 15. t-shaped strips; 16. a bump; 17. a cavity; 18. a worm; 19. twisting the block; 20. a worm gear; 21. a rotating shaft; 22. a screw block; 23. a slider; 24. a chute; 25. an upper insertion block; 26. a lower insert block; 27. a first positioning groove; 28. a second positioning groove.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
The utility model provides an aluminum alloy curtain wall mounting structure of convenient dismantlement, as shown in figure 1 and figure 2, including wall body 1, mullion 2, horizontal frame 3 and aluminum alloy plate 4, mullion 2 is provided with many, many mullions 2 are evenly spaced apart on the horizontal direction and are arranged, many mullions 2 are along vertical direction linking distribution, the upper and lower end interconnect of adjacent mullion 2 in the vertical direction, through connecting piece 5 and 6 interconnect of first fillet between the upper and lower end of adjacent mullion 2, connecting piece 5 is the rectangle, the bottom of the mullion 2 of top is inserted to the upper end of connecting piece 5, the top of the mullion 2 of below is inserted to the lower extreme of connecting piece 5. First corner piece 6 sets up the both ends at mullion 2, first corner piece 6 is provided with two respectively at mullion 2's both ends, two first corner pieces 6 of mullion 2 one end set up respectively on mullion 2 with two lateral walls of wall body 1 vertically, first corner piece 6 passes through screw 7 to be fixed on mullion 2, screw 7 runs through first corner piece 6 in proper order, penetrate in connecting piece 5 behind mullion 2, make 2 fixed connection of adjacent mullion on 5, thereby make 2 interconnect of adjacent mullion in the vertical direction. The first corner piece 6 is fixed on the wall body 1 through the expansion bolt 8, so that the first corner piece 6 is respectively fixedly connected with the vertical frame 2 and the wall body 1, and the vertical frame 2 is further fixed on the wall body 1.
As shown in fig. 1 and 3, two second corner pieces 9 are disposed in the middle of the mullion 2, the two second corner pieces 9 are respectively disposed on two side walls of the mullion 2 perpendicular to the wall 1, and the two second corner pieces 9 are fixed to the mullion 2 by means of stud bolts 10. Horizontal frame 3 is provided with many, and many horizontal frames 3 are arranged and are set up between the adjacent munnion 2 of level along the even interval of vertical direction, and mounting groove 11 has all been seted up at the both ends of horizontal frame 3, and in second angle piece 9 can be embedded into mounting groove 11, horizontal frame 3 passes through mounting groove 11 and second angle piece 9 sets up between the adjacent munnion 2 of level.
As shown in fig. 1 and 3, two T-shaped grooves 12 have been all seted up at the top and the bottom of horizontal frame 3, T-shaped groove 12 is seted up along the width direction of horizontal frame 3, horizontal frame 3 bottom and top are slided respectively and are provided with first locating frame 13 and second locating frame 14, first locating frame 13 and second locating frame 14 all are the rectangle, the top of first locating frame 13 and the bottom of second locating frame 14 correspond the T-shaped groove 12 on horizontal frame 3 and are provided with T-shaped strip 15, first locating frame 13 and second locating frame 14 slide respectively at the bottom and the top of horizontal frame 3 through T-shaped strip 15 and T-shaped groove 12. The side of the first positioning frame 13 and the side of the second positioning frame 14, which faces away from the wall 1, are provided with bumps 16, and the arrangement of the bumps 16 is convenient for people to control the sliding of the first positioning frame 13 and the second positioning frame 14.
As shown in fig. 1 and 4, a rectangular cavity 17 is formed in the middle of the transverse frame 3, a worm 18 is rotatably arranged in the cavity 17, the axis direction of the worm 18 is parallel to the width direction of the transverse frame 3, one end of the worm 18, which is far away from the wall 1, penetrates through the transverse frame 3 and is connected with a screwing block 19, and the arrangement of the screwing block 19 is convenient for people to rotate the worm 18. Two worm wheels 20 are rotatably arranged in the cavity 17, the worm wheels 20 are arranged in the cavity 17 through rotating shafts 21, the rotating shafts 21 of the two worm wheels 20 are parallel to the vertical direction, and the two worm wheels 20 are respectively arranged on two sides of the worm 18 in the horizontal direction and are meshed with the worm 18. In the two rotating shafts 21, threads are formed on the upper portion of the side wall of one rotating shaft 21 and the lower portion of the side wall of the other rotating shaft 21, and the two rotating shafts 21 are respectively in threaded connection with a rectangular screw block 22, so that the upper portion and the lower portion in the cavity 17 are respectively provided with one screw block 22. One side of the screw block 22 in the length direction is provided with a sliding block 23, the sliding block 23 is arranged close to the inner wall of the cavity 17, the inner wall of the cavity 17 is provided with a vertical sliding groove 24, and the sliding groove 24 is formed corresponding to the sliding block 23, so that the screw block 22 can vertically slide in the cavity 17 through the sliding block 23 and the sliding groove 24. An upper insert block 25 is arranged at the top of the screw block 22 positioned at the upper part in the cavity 17, the upper insert block 25 can penetrate through the transverse frame 3 and be inserted into the second positioning frame 14 so as to lock the second positioning frame 14, a lower insert block 26 is arranged at the bottom of the screw block 22 positioned at the lower part in the cavity 17, and the lower insert block 26 can penetrate through the transverse frame 3 and be inserted into the first positioning frame 13 so as to lock the first positioning frame 13. Through the structure, the worm 18 is screwed by the screwing block 19, so that the two worm wheels 20 can rotate simultaneously, the two screw blocks 22 slide in the cavity 17 simultaneously, the upper insert block 25 and the lower insert block 26 are simultaneously inserted into the second positioning frame 14 and the first positioning frame 13 to be locked, or the upper insert block 25 and the lower insert block 26 are simultaneously pulled out from the second positioning frame 14 and the first positioning frame 13 to be unlocked, and the first positioning frame 13 and the second positioning frame 14 are conveniently locked.
As shown in fig. 3, a first positioning groove 27 is formed at the bottom of the first positioning frame 13, the first positioning groove 27 is formed along the length direction of the first positioning frame 13 and penetrates through two ends of the first positioning frame 13, a second positioning groove 28 is formed at the top of the second positioning frame 14, and the second positioning groove 28 is formed along the length direction of the second positioning frame 14 and penetrates through two ends of the second positioning frame 14. Aluminium alloy plate 4 is the rectangle, and aluminium alloy plate 4's thickness equals the groove width of first constant head tank 27 and second constant head tank 28 for aluminium alloy plate 4 can slide along first constant head tank 27 and second constant head tank 28, thereby makes aluminium alloy plate 4 can set up between first constant head tank 13 and second constant head tank 14.
The implementation principle of the embodiment is as follows: when the aluminum alloy plate 4 in the aluminum alloy curtain wall is damaged and needs to be replaced, the locking device is unlocked by screwing the screwing block 19, then the first positioning frame 13 and the second positioning frame 14 slide out in the direction away from the wall body 1, at this time, the damaged aluminum alloy plate 4 can slide out along the first positioning groove 27 and the second positioning groove 28, thereby removing the damaged aluminum alloy plate 4, and then slidably mounting the new aluminum alloy plate 4 between the first positioning frame 13 and the second positioning frame 14 along the first positioning groove 27 and the second positioning groove 28, and the first positioning frame 13 and the second positioning frame 14 are moved towards the direction close to the wall body 1, and finally the first positioning frame 13 and the second positioning frame 14 are locked by a locking device to complete the replacement, in the process of replacement, one of the aluminum alloy plates 4 can be replaced independently, and the effect of conveniently detaching and replacing the damaged aluminum alloy plate 4 is achieved.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a convenient aluminum alloy curtain wall mounting structure who dismantles which characterized in that: the wall comprises a wall body (1), vertical frames (2), transverse frames (3) and aluminum alloy plates (4), wherein the vertical frames (2) are longitudinally arranged on the wall body (1), the vertical frames (2) are provided with a plurality of vertical frames, the vertical frames (2) are uniformly arranged on the wall body (1) at intervals, the transverse frames (3) are transversely arranged between the adjacent vertical frames (2), the transverse frames (3) are provided with a plurality of transverse frames, and the transverse frames (3) are uniformly arranged between the adjacent vertical frames (2) at intervals;
the transverse frame (3) is rectangular, a first positioning frame (13) and a second positioning frame (14) are arranged at the bottom and the top of the transverse frame (3) in a sliding mode respectively, the first positioning frame (13) and the second positioning frame (14) horizontally slide along the width direction of the transverse frame (3), a first positioning groove (27) is arranged at the bottom of the first positioning frame (13), the first positioning groove (27) is formed along the length direction of the first positioning frame (13), the first positioning groove (27) penetrates through two ends of the first positioning frame (13) in the length direction, a second positioning groove (28) is arranged at the top of the second positioning frame (14), the second positioning groove (28) is formed along the length direction of the second positioning frame (14), and the second positioning groove (28) penetrates through two ends of the second positioning frame (14) in the length direction;
the aluminum alloy plate (4) is rectangular, the aluminum alloy plate (4) is arranged between the first positioning frame (13) and the second positioning frame (14), and the thickness of the aluminum alloy plate (4) is respectively equal to the groove width of the first positioning groove (27) and the second positioning groove (28);
and a locking device for limiting the sliding of the first positioning frame (13) and the second positioning frame (14) is arranged in the transverse frame (3).
2. The aluminum alloy curtain wall mounting structure convenient to disassemble as claimed in claim 1, wherein: the locking device comprises a worm (18), two worm wheels (20), rotating shafts (21) and screw blocks (22), wherein the worm (18) penetrates through the side wall, deviating from the wall body (1), of the transverse frame (3), the two worm wheels (20) are arranged, the axis directions of the two worm wheels (20) are parallel to the vertical direction, the two worm wheels (20) are respectively positioned on two sides of the worm (18) and are respectively meshed with the worm (18), the two rotating shafts (21) are arranged, the two rotating shafts (21) respectively coaxially rotate with the two worm wheels (20), the two screw blocks (22) are arranged, the two screw blocks (22) are vertically arranged in a sliding mode, the two screw blocks (22) are respectively in threaded connection with the two rotating shafts (21), the two screw blocks (22) are respectively and fixedly connected with an upper insertion block (25) and a lower insertion block (26), the upper insertion block (25) can penetrate through the top of the transverse frame (3) and is inserted into the second positioning frame (14), the lower insertion block (26) can penetrate through the bottom of the transverse frame (3) and be inserted into the first positioning frame (13).
3. The conveniently-disassembled aluminum alloy curtain wall mounting structure as claimed in claim 2, wherein: a cavity (17) for containing the locking device is arranged in the transverse frame (3), a sliding block (23) is arranged on the screw block (22), and a sliding groove (24) corresponding to the sliding block (23) is arranged on the inner wall of the cavity (17).
4. The conveniently-disassembled aluminum alloy curtain wall mounting structure as claimed in claim 2, wherein: the outer end of the worm (18) is fixedly connected with a twisting block (19).
5. The aluminum alloy curtain wall mounting structure convenient to disassemble as claimed in claim 1, wherein: the first positioning frame (13) and the second positioning frame (14) are provided with a plurality of T-shaped strips (15) on the opposite surfaces of the transverse frame (3), and the top and the bottom of the transverse frame (3) are correspondingly provided with a plurality of T-shaped grooves (12) which are formed corresponding to the T-shaped strips (15).
6. The conveniently-disassembled aluminum alloy curtain wall mounting structure as claimed in claim 5, wherein: and the surfaces, deviating from the wall, of the first positioning frame (13) and the second positioning frame (14) are provided with convex blocks (16).
7. The aluminum alloy curtain wall mounting structure convenient to disassemble as claimed in claim 1, wherein: connecting piece (5) have all been inserted to the upper end lower extreme of mullion (2), it is same in two mullions (2) about connecting piece (5) inserts respectively, it is same connecting piece (5) pass through screw (7) respectively with two mullion (2) fixed connection from top to bottom, be provided with first angle piece (6) between mullion (2) and wall body (1), first angle piece (6) are connected with mullion (2) through screw (7), first angle piece (6) are connected with wall body (1) through expansion bolts (8).
8. The aluminum alloy curtain wall mounting structure convenient to disassemble as claimed in claim 1, wherein: two relative lateral walls on the middle part of mullion (2) are fixed with second angle piece (9) respectively through stud (10), are provided with second angle piece (9) mullion (2) lateral wall all is perpendicular with wall body (1), mounting groove (11) have been seted up at horizontal frame (3) length direction's both ends, second angle piece (9) can be embedded into in mounting groove (11), install between adjacent mullion (2) through both sides mounting groove (11) horizontal frame (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020098359.8U CN211714292U (en) | 2020-01-15 | 2020-01-15 | Convenient aluminum alloy curtain wall mounting structure who dismantles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020098359.8U CN211714292U (en) | 2020-01-15 | 2020-01-15 | Convenient aluminum alloy curtain wall mounting structure who dismantles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211714292U true CN211714292U (en) | 2020-10-20 |
Family
ID=72823953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020098359.8U Expired - Fee Related CN211714292U (en) | 2020-01-15 | 2020-01-15 | Convenient aluminum alloy curtain wall mounting structure who dismantles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211714292U (en) |
-
2020
- 2020-01-15 CN CN202020098359.8U patent/CN211714292U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20201020 |