CN113530038A

CN113530038A - Building curtain wall for building

Info

Publication number: CN113530038A
Application number: CN202110832602.3A
Authority: CN
Inventors: 邱传映; 黄绍开; 周杰
Original assignee: Zhejiang Haocheng Construction Co ltd
Current assignee: Zhejiang Haocheng Construction Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2021-10-22

Abstract

The utility model relates to a building curtain wall is built in room, including the curtain body, the curtain body includes panel and base plate, the base plate can be dismantled through fixed subassembly and connect on the wall, the panel mounting is in the one side that the base plate deviates from the wall, the panel is connected with a plurality of spliced pole towards one side of base plate, one side that the base plate deviates from the panel is connected with quantity and the erection column that the spliced pole number is the same, the base plate has seted up quantity and the same confession spliced pole male spread groove of erection column number towards panel one side, every the diapire of spread groove all extends to the erection column, be provided with the locating part that is used for restricting the spliced pole to break away from the spread groove on the lateral wall of erection column. When the pattern of curtain body is changed to needs, only need with the panel follow the base plate pull down and change the panel of different patterns can, reduce the waste of material.

Description

Building curtain wall for building

Technical Field

The application relates to the field of building, especially, relate to a building curtain wall for building.

Background

The curtain wall is an outer wall enclosure of a building, does not bear load, is hung like a curtain, is also called a hanging wall, and is a light wall with decoration effect commonly used by modern large-scale and high-rise buildings.

At present, the patent of publication No. CN107558644A discloses a building curtain, and it includes the curtain wall board of more than the concatenation of each other, and a decorative border is all installed to the outer wall handing-over department of each curtain wall board, decorates the clearance between the sealed curtain wall board of limit, and the equal fixed mounting of curtain wall board is on the keel frame of the building body.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the style of the curtain wall board needs to be changed, all the curtain wall boards need to be removed and replaced with new curtain wall boards, thereby causing waste of materials and thus requiring improvement.

Disclosure of Invention

In order to improve the problem of the material waste because of changing the curtain board pattern and cause, this application provides a building curtain wall is used in room construction.

The application provides a building curtain wall for building adopts following technical scheme:

the utility model provides a building curtain wall is built in room, includes the curtain body, the curtain body includes panel and base plate, the base plate can be dismantled through fixed subassembly and connect on the wall, the panel mounting is in the one side that the base plate deviates from the wall, the panel is connected with a plurality of spliced pole towards one side of base plate, one side that the base plate deviates from the panel is connected with quantity and the erection column that the spliced pole number is the same, quantity and the same confession spliced pole male spread groove of erection column number, every are seted up towards panel one side to the base plate the diapire of spread groove all extends to the erection column, be provided with the locating part that is used for restricting the spliced pole to break away from the spread groove on the lateral wall of erection column.

By adopting the technical scheme, when the style of the curtain wall body needs to be changed, only the panel needs to be detached from the base plate and the panels with different styles need to be changed, so that the waste of materials is reduced; when the panel is detached, the base plate is detached from the wall surface through the fixing assembly, then the limiting part is removed, and the connecting column is pulled out from the connecting groove, so that the panel and the base plate are separated, and the panel is independently replaced.

Optionally, the locating part includes gag lever post and two spacing, the both ends of gag lever post are connected with two spacing perpendicularity respectively, the spacing groove that supplies spacing to pass is all seted up to two outer walls mutually of the back of the body of erection column, spacing groove and spread groove communicate each other, the constant head tank that supplies spacing to pass is all seted up to two outer walls mutually of the back of the body of spliced pole, two the fixed orifices has all been seted up to the one end that the gag lever post was kept away from to spacing, two the dead lever is worn to be equipped with jointly in the fixed orifices, the fixed slot has all been seted up, two at the both ends of dead lever equal threaded connection has set screw, two in the fixed slot the one end that set screw kept away from the dead lever all is connected with the fixed plate that is used for restricting the dead lever and breaks away from the fixed orifices.

Through adopting above-mentioned technical scheme, insert the spliced pole back in the spread groove, pass spacing groove and constant head tank with spacing after that to the restriction spliced pole breaks away from the spread groove, then penetrates the fixed orifices on two spacing strips with the both ends of dead lever, again with two fixed screw in respectively in the fixed slot at dead lever both ends, thereby install the dead lever between two spacing strips, restriction spacing strip accident breaks away from the spacing groove.

Optionally, two the both sides of mutually backing up mutually of spacing all are provided with the fixing base, set up the mounting hole that supplies clamping screw to pass on the fixing base, the fixed plate supports tight one side that the fixing base deviates from spacing, one side that the fixing base deviates from spacing is connected with first solid fixed ring along circumference, one side that the fixing base was kept away from to first solid fixed ring is provided with the closing plate, the closing plate has the solid fixed ring of second along circumference connection towards one side of fixing base, the solid fixed ring's of second lateral wall is hugged closely with first solid fixed ring's inside wall, the solid fixed ring's of second lateral wall is provided with the stopper that a plurality of has deformability along the circumference interval, set up the ring channel that supplies the stopper card to go into along circumference on first solid fixed ring's the inside wall.

Through adopting above-mentioned technical scheme, the clamping screw screws for the fixed plate compresses tightly the fixing base, and insert first solid fixed ring with the solid fixed ring of second on the closing plate in after, make in the common card of all stoppers goes into the ring channel, thereby restriction second solid fixed ring and the separation of first solid fixed ring, fixing base and closing plate cover the fixed plate cage, and then prevent clamping screw by unexpected the pine of unscrewing.

Optionally, the fixing screw is sleeved with a spring washer, one end of the spring washer abuts against the fixing seat, and the other end of the spring washer abuts against the fixing plate.

Through adopting above-mentioned technical scheme, after the clamping screw was screwed, the fixed plate compressed tightly the spring washer, and the spring washer is given a tight power in top of fixed plate, and the fixed plate is taut with clamping screw for the internal thread in the tight fixed slot in external screw top on the clamping screw, thereby restriction clamping screw is not hard up.

Optionally, fixed subassembly includes a plurality of supplies the fixed section of thick bamboo of erection column male and is used for installing the mounting panel on the wall, all fixed section of thick bamboo all connects in the one side that the mounting panel deviates from the wall, limiting plate and spacing all keep away from one side of mounting panel with fixed section of thick bamboo and hug closely, two one side that spacing back of the body was mutually all articulated to have the locating plate, wear to be equipped with positioning bolt on the locating plate, all set up the locating hole with positioning bolt threaded connection on the back of the body lateral wall of fixed section of thick bamboo mutually.

Through adopting above-mentioned technical scheme, fix the mounting panel on the wall, insert the erection column in the solid fixed cylinder on the mounting panel after that, then hug closely two locating plates respectively with two lateral walls of the back of the body of solid fixed cylinder mutually, with positioning bolt screw in locating hole to fix the locating plate at the solid fixed cylinder lateral wall, the restriction erection column breaks away from solid fixed cylinder, and then installs the base plate on the wall.

Optionally, a first connecting hole for clamping one end of the positioning bolt is formed in the back outer side wall of the mounting column, and a second connecting hole for clamping one end of the positioning bolt is formed in the back outer side wall of the connecting column.

By adopting the technical scheme, after the positioning bolt is screwed into the positioning hole, one end of the positioning bolt sequentially penetrates through the first connecting hole and the second connecting hole, so that on one hand, the connecting column is limited from being separated from the connecting groove, and the connecting firmness between the connecting column and the mounting column is improved; on the other hand, the mounting column is limited to be separated from the fixed cylinder, and the connection firmness between the mounting column and the fixed cylinder is improved.

Optionally, the outer side wall of the positioning plate is connected with a fastening ring surrounding the outer side of the nut of the positioning bolt, a fastening pad with deformability is connected to the inner side wall of the fastening ring along the circumferential direction, and the fastening pad is tightly attached to the outer side wall of the nut of the positioning bolt.

By adopting the technical scheme, after the positioning bolt is screwed into the fastening ring, the fastening pad is tightly abutted against the nut of the positioning bolt, so that the positioning bolt is limited from being loosened accidentally.

Optionally, one side that the tight ring kept away from the fixed section of thick bamboo can be dismantled and be connected with the backup pad that is used for sealing the tight ring, the backup pad has the sealing ring towards one side of the fixed section of thick bamboo along circumference connection, the inside wall of sealing ring is hugged closely with the lateral wall of tight ring, the lateral wall of tight ring is connected with the fastening block, the lateral wall of sealing ring is seted up along the axial lead direction of sealing ring and is supplied fastening block card to go into and gliding fastening hole, the lateral wall of sealing ring has been seted up around the axial lead direction of sealing ring and has been supplied fastening block card to go into and gliding rectangular hole.

Through adopting above-mentioned technical scheme, with back in positioning bolt's the nut screw in fixed section of thick bamboo, establish the sealing ring cover on the lateral wall of tighrening ring after that for the fastening block card is gone into in the fastening hole, then rotates the sealing ring, makes the fastening block card go into rectangular downthehole, thereby the restriction sealing ring breaks away from the tighrening ring, and then makes the backup pad seal the opening of tighrening ring, reduces the positioning bolt corrosion.

In summary, the present application includes at least one of the following beneficial technical effects:

when the style of the curtain wall body needs to be changed, only the panel needs to be detached from the base plate and the panels with different styles need to be changed, so that the waste of materials is reduced; when the panel is dismounted, the base plate is dismounted from the wall surface through the fixing assembly, then the limiting piece is removed, and the connecting column is pulled out from the connecting groove, so that the panel and the base plate are separated, and the panel is independently replaced;

the fixing screw is screwed so that the fixing plate compresses the fixing seat, then the second fixing ring on the sealing plate is inserted into the first fixing ring, all the limiting blocks are clamped into the annular groove together, the second fixing ring and the first fixing ring are limited to be separated, and the fixing seat and the sealing plate cover the fixing plate, so that the fixing screw is prevented from being unscrewed accidentally;

after the positioning bolt is screwed into the positioning hole, one end of the positioning bolt sequentially penetrates through the first connecting hole and the second connecting hole, so that on one hand, the connecting column is limited from being separated from the connecting groove, and the connection firmness between the connecting column and the mounting column is improved; on the other hand, the mounting column is limited to be separated from the fixed cylinder, and the connection firmness between the mounting column and the fixed cylinder is improved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is an exploded schematic view of an embodiment of the present application.

Fig. 3 is an enlarged schematic view of region a in fig. 2.

Description of reference numerals: 1. a curtain wall body; 11. a panel; 111. connecting columns; 1111. positioning a groove; 1112. a second connection hole; 12. a substrate; 121. mounting a column; 1211. connecting grooves; 1212. a limiting groove; 1213. a first connection hole; 2. a fixing assembly; 21. mounting a plate; 22. a fixed cylinder; 221. positioning holes; 23. positioning a plate; 231. a fastening ring; 232. a fastening pad; 233. a fastening block; 24. positioning the bolt; 3. a limiting member; 31. a limiting rod; 32. a limiting strip; 321. a fixing hole; 33. fixing the rod; 331. fixing grooves; 34. fixing the screw rod; 35. a fixing plate; 351. a cross groove; 36. a spring washer; 4. a fixed seat; 41. a first retaining ring; 411. an annular groove; 42. a sealing plate; 421. a second retaining ring; 4211. a limiting block; 43. mounting holes; 5. a support plate; 51. a seal ring; 52. a fastening hole; 53. and (4) a long hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses building curtain wall for building. Referring to fig. 1 and 2, including curtain body 1, curtain body 1 includes panel 11 that is the rectangle and base plate 12 that is the rectangle, and base plate 12 can be dismantled through fixed subassembly 2 and connect on the wall, and panel 11 can be dismantled and connect in one side that base plate 12 deviates from the wall. The panel 11 can be changed alone to be convenient for change the panel 11 of different patterns, labour saving and time saving.

Referring to fig. 2, the connecting columns 111 with a circular cross section are fixedly connected to four corners of one side of the panel 11 facing the substrate 12, the mounting columns 121 with a circular cross section are fixedly connected to four corners of one side of the substrate 12 facing away from the panel 11, the connecting grooves 1211 for inserting the connecting columns 111 are formed in the four corners of one side of the substrate 12 facing the panel 11, and the bottom wall of each connecting groove 1211 extends into the mounting columns 121. After the connection post 111 of the panel 11 is inserted into the connection groove 1211, the panel 11 is closely attached to the substrate 12.

Referring to fig. 2 and 3, the outer sidewall of the mounting post 121 is provided with a limiting member 3 for limiting the connecting post 111 to be separated from the connecting groove 1211, the limiting member 3 includes a limiting rod 31 and two limiting strips 32, and the two limiting strips 32 are respectively and vertically and fixedly connected to two ends of the limiting rod 31. The two outer walls of the mounting post 121 that are opposite to each other are both provided with a limiting groove 1212 for the limiting strip 32 to pass through, the limiting groove 1212 is communicated with the connecting groove 1211, and the two outer walls of the connecting post 111 that are opposite to each other are both provided with a positioning groove 1111 for the limiting strip 32 to pass through. After the connecting post 111 is inserted into the connecting slot 1211, the positioning slot 1111 is aligned with the limiting slot 1212, so that the limiting strip 32 can smoothly pass through the limiting slot 1212, thereby limiting the connecting post 111 to be separated from the connecting slot 1211.

Referring to fig. 2 and 3, the fixed orifices 321 have all been seted up to the one end that gag lever post 31 was kept away from to two spacing strips 32, wear to be equipped with dead lever 33 jointly in two fixed orifices 321, fixed slot 331 has all been seted up at the both ends of dead lever 33, equal threaded connection has fixing screw 34 in two fixed slots 331, the equal fixedly connected with of one end that dead lever 33 was kept away from to two fixing screw 34 is used for restricting dead lever 33 and breaks away from the fixed plate 35 of fixed orifices 321, fixed plate 35 is circular and is the coaxial axis line setting with fixing screw 34. The cross slot 351 has been seted up at the middle part of one side that fixed plate 35 deviates from fixing screw 34, and installer can insert in the cross slot 351 with the cross screwdriver to fixing screw 34 screws, and then installs dead lever 33 between two spacing strips 32, and the spacing strip 32 accident of restriction breaks away from spacing groove 1212.

Referring to fig. 2 and 3, the two opposite sides of the two limit strips 32 are provided with the circular fixing seat 4, the fixing seat 4 is provided with the mounting hole 43 for the fixing screw 34 to pass through, and after the fixing screw 34 is screwed, the fixing plate 35 can support the fixing seat 4 tightly. One side that fixing base 4 deviates from spacing strip 32 is along the first solid fixed ring 41 of circumference fixedly connected with, one side that fixing base 4 was kept away from to first solid fixed ring 41 is provided with and is the circular shape closing plate 42, closing plate 42 is towards one side of fixing base 4 along the solid fixed ring 421 of circumference fixedly connected with second, the lateral wall of the solid fixed ring 421 of second is hugged closely with the inside wall of first solid fixed ring 41, the lateral wall of the solid fixed ring 421 of second is hemispherical stopper 4211 along circumference interval fixedly connected with a plurality of, stopper 4211 is made by the silica gel material, set up the ring channel 411 that supplies all stoppers 4211 to block into jointly along circumference on the inside wall of first solid fixed ring 41. The second fixing ring 421 on the sealing plate 42 is inserted into the first fixing ring 41, and all the limit blocks 4211 are clamped into the annular groove 411 together, so that the fixing seat 4 and the sealing plate 42 cover the fixing plate 35, and the installer is prevented from accidentally unscrewing the fixing screw 34.

Referring to fig. 2 and 3, the fixing screw 34 is sleeved with a spring washer 36, one end of the spring washer 36 abuts against the fixing base 4, and the other end abuts against the fixing plate 35. After the fixing screw 34 is tightened, the fixing plate 35 presses the spring washer 36, thereby restricting the fixing screw 34 from loosening.

Referring to fig. 2 and 3, the fixing assembly 2 includes a rectangular mounting plate 21 for fixing on a wall surface and four fixing cylinders 22 fixedly connected to one side of the mounting plate 21 away from the wall surface, and the cross section of each fixing cylinder 22 is circular. The four fixed cylinders 22 are respectively fixedly connected to four corners of the mounting plate 21. Limiting plate and spacing strip 32 all hug closely with one side that mounting panel 21 was kept away from to fixed section of thick bamboo 22, and two one sides that spacing strip 32 carried on the back mutually all articulate and have the locating plate 23 that is the rectangle, wear to be equipped with positioning bolt 24 on the locating plate 23, and positioning bolt 24 is hexagon socket head cap screw. The outer side walls of the fixed cylinder 22 opposite to each other are provided with positioning holes 221 in threaded connection with the positioning bolts 24. The mounting post 121 is inserted into the fixing cylinder 22 on the mounting plate 21, then the two positioning plates 23 are respectively tightly attached to the two opposite outer side walls of the fixing cylinder 22, and the positioning bolt 24 is screwed into the positioning hole 221, so that the positioning plate 23 is fixed on the outer side wall of the fixing cylinder 22, the mounting post 121 is limited to be separated from the fixing cylinder 22, and the substrate 12 is further mounted on the wall surface.

Referring to fig. 2 and 3, a fastening ring 231 is fixedly connected to an outer side wall of the positioning plate 23, and the fastening ring 231 surrounds an outer side of a nut of the positioning bolt 24. A fastening pad 232 made of a silica gel material is fixedly connected to the inner side wall of the fastening ring 231 along the circumferential direction. After the positioning bolt 24 is screwed into the fastening ring 231, the fastening pad 232 abuts against the nut of the positioning bolt 24, thereby limiting the positioning bolt 24 from being loosened accidentally.

Referring to fig. 2 and 3, a supporting plate 5 for closing the fastening ring 231 is detachably connected to a side of the fastening ring 231 away from the fixing cylinder 22, and the supporting plate 5 is circular. The support plate 5 is mounted on the fastening ring 231 to reduce the occurrence of corrosion of the positioning bolts 24. A sealing ring 51 is fixedly connected to one side of the support plate 5 facing the fixed cylinder 22 along the circumferential direction, and the inner side wall of the sealing ring 51 is closely attached to the outer side wall of the fastening ring 231. The outer side wall of the fastening ring 231 is fixedly connected with a fastening block 233, the outer side wall of the sealing ring 51 is provided with a fastening hole 52 along the axial lead direction of the sealing ring 51, the fastening block 233 is clamped into and slides, the outer side wall of the sealing ring 51 is provided with a strip hole 53 around the axial lead direction of the sealing ring 51, the strip hole 53 is clamped into and slides, and the fastening hole 52 is communicated with the strip hole 53. The sealing ring 51 is fitted over the outer sidewall of the fastening ring 231 such that the fastening block 233 is caught in the fastening hole 52, and then the sealing ring 51 is rotated by 90 degrees such that the fastening block 233 is caught in the elongated hole 53, thereby restricting the sealing ring 51 from being detached from the fastening ring 231.

Referring to fig. 2 and 3, the opposite outer side walls of the mounting post 121 are respectively provided with a first connection hole 1213 for the one end of the positioning bolt 24 to be clamped into, and the opposite outer side walls of the connection post 111 are respectively provided with a second connection hole 1112 for the one end of the positioning bolt 24 to be clamped into. After the positioning bolt 24 is screwed into the positioning hole 221, one end of the positioning bolt 24 sequentially passes through the first connection hole 1213 and the second connection hole 1112, so that on one hand, the connection column 111 is restricted from being separated from the connection groove 1211, and the connection firmness between the connection column 111 and the mounting column 121 is improved; on the other hand, the mounting post 121 is restricted from being detached from the fixed cylinder 22, and the fastening strength between the mounting post 121 and the fixed cylinder 22 is improved.

The implementation principle of building curtain wall for building of this application embodiment is: when the style of the curtain wall body 1 needs to be changed, the supporting plate 5 is firstly detached from the fastening ring 231, the positioning bolt 24 is screwed out by a hexagonal wrench, the base plate 12 can be detached from the wall surface, then the sealing plate 42 is detached from the fixing seat 4, the fixing screw 34 is screwed out by a cross screwdriver, the fixing rod 33 is detached from between the two limiting strips 32, then the limiting strips 32 are detached from the mounting columns 121, the connecting column 111 can be pulled out from the connecting groove 1211, the panel 11 is separated from the base plate 12, the panel 11 is detached, and the panels 11 in different styles are changed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a building curtain wall is built in room, includes curtain wall body (1), its characterized in that: the curtain wall body (1) comprises a panel (11) and a base plate (12), the base plate (12) is detachably connected to the wall surface through a fixing component (2), the panel (11) is arranged on one side of the base plate (12) departing from the wall surface, one side of the panel (11) facing the base plate (12) is connected with a plurality of connecting posts (111), one side of the base plate (12) departing from the panel (11) is connected with mounting columns (121) with the same number as the connecting columns (111), one side of the base plate (12) facing the panel (11) is provided with connecting grooves (1211) which are the same as the mounting columns (121) in number and are used for inserting the connecting columns (111), the bottom wall of each connecting groove (1211) extends to the mounting columns (121), the outer side wall of the mounting column (121) is provided with a limiting piece (3) used for limiting the connecting column (111) to be separated from the connecting groove (1211).

2. The building curtain wall for building construction according to claim 1, wherein: locating part (3) include gag lever post (31) and two spacing (32), the both ends of gag lever post (31) are connected with two spacing (32) are perpendicular respectively, spacing groove (1212) that supplies spacing (32) to pass is all seted up to two outer walls mutually backing mutually of erection column (121), spacing groove (1212) and spread groove (1211) communicate each other, constant head tank (1111) that supplies spacing (32) to pass is all seted up to two outer walls mutually of back of the body of spliced pole (111), two fixed orifices (321), two are all seted up to the one end that spacing (31) were kept away from in spacing (32) fixed orifices (321) are worn to be equipped with dead lever (33) jointly in fixed orifices (321), fixed slot (331), two are all seted up at the both ends of dead lever (33) equal threaded connection has fixed screw (34) in fixed slot (331), two the one end that dead lever (33) were kept away from in fixed screw (34) all is connected with and is used for restricting dead lever (33) to break away from fixed orifices (321) ) The fixing plate (35).

3. The building curtain wall for building construction according to claim 2, wherein: two the both sides of the mutually backing on back of the body of spacing strip (32) all are provided with fixing base (4), set up mounting hole (43) that supply clamping screw (34) to pass on fixing base (4), fixed plate (35) support tight fixing base (4) and deviate from one side of spacing strip (32), one side that fixing base (4) deviate from spacing strip (32) has first solid fixed ring (41) along circumferential direction, one side that fixing base (4) were kept away from in first solid fixed ring (41) is provided with closing plate (42), one side that closing plate (42) were towards fixing base (4) has second solid fixed ring (421) along circumferential direction, the lateral wall of second solid fixed ring (421) is hugged closely with the inside wall of first solid fixed ring (41), the lateral wall of second solid fixed ring (41) is provided with a plurality of stopper (4211) that have the deformability along the circumferential direction interval, set up the ring channel (411) that supply stopper (4211) card to go into along circumferential direction on the inside wall of first solid fixed ring (41) .

4. The building curtain wall for building construction according to claim 3, wherein: a spring washer (36) is sleeved on the fixed screw (34), one end of the spring washer (36) abuts against the fixed seat (4), and the other end of the spring washer abuts against the fixed plate (35).

5. The building curtain wall for building construction according to claim 1, wherein: fixed subassembly (2) include that a plurality of supplies erection column (121) male solid fixed cylinder (22) and be used for installing mounting panel (21) on the wall, all gu fixed cylinder (22) all connect in one side that mounting panel (21) deviate from the wall, limiting plate and spacing (32) all hug closely, two with one side that mounting panel (21) were kept away from in solid fixed cylinder (22) one side that the back of the body was carried on mutually all articulates there is locating plate (23), wear to be equipped with positioning bolt (24) on locating plate (23), all set up locating hole (221) with positioning bolt (24) threaded connection on the back of the body lateral wall of gu fixed cylinder (22).

6. The building curtain wall for building construction according to claim 5, wherein: all set up first connecting hole (1213) that supply the one end card of positioning bolt (24) to go into on the back of the body lateral wall of erection column (121), all set up second connecting hole (1112) that supply the one end card of positioning bolt (24) to go into on the back of the body lateral wall of spliced pole (111).

7. The building curtain wall for building construction according to claim 5, wherein: the outer side wall of the positioning plate (23) is connected with a fastening ring (231) surrounding the outer side of a nut of the positioning bolt (24), a fastening pad (232) with deformation capacity is connected to the inner side wall of the fastening ring (231) along the circumferential direction, and the fastening pad (232) is tightly attached to the outer side wall of the nut of the positioning bolt (24).

8. The building curtain wall for building construction according to claim 7, wherein: one side that a fixed section of thick bamboo (22) was kept away from in tighrening ring (231) can be dismantled and be connected with backup pad (5) that are used for sealing tighrening ring (231), backup pad (5) have sealing ring (51) along circumferential connection towards one side of a fixed section of thick bamboo (22), the inside wall of sealing ring (51) is hugged closely with the lateral wall of tighrening ring (231), the lateral wall of tighrening ring (231) is connected with fastening block (233), the axial lead direction of the lateral wall of sealing ring (51) along sealing ring (51) has been seted up and has been supplied fastening block (233) card to go into and gliding fastening hole (52), the axial lead direction of the lateral wall of sealing ring (51) around sealing ring (51) has been seted up and has been supplied fastening block (233) card to go into and gliding rectangular hole (53).