CN115404998A - Connecting structure of curtain wall and existing outer wall and construction method thereof - Google Patents

Abstract

The invention relates to a connecting structure of a curtain wall and an existing outer wall and a construction method thereof, wherein the connecting structure comprises the following steps: a plurality of bases which are arranged on the existing outer wall at intervals; keels fixed to the bases; the base is fixed on the keel and used for covering the base, and the position of the base, which is close to the curtain wall, protrudes outwards to form a protruding part; and one end of the cover plate is fixedly connected with the curtain wall, and the other end of the cover plate is attached to the protruding extension part. The problem of existing outer wall binding off beat glue department and produce the crack easily is solved, through utilizing connection structure to connect curtain and existing outer wall to reduce the influence that structural deformation produced, avoid beating glue department fracture, reduce the risk of outer wall infiltration.

Description

Connection structure between curtain wall and existing exterior wall and its construction method

technical field

The invention relates to the field of building construction, in particular to a connection structure between a curtain wall and an existing exterior wall and a construction method thereof.

Background technique

In renovation projects, it is sometimes necessary to add curtain walls on the outside of the existing exterior walls, such as glass, aluminum panels or stone panels, etc. The curtain walls need to be connected to the existing exterior walls. Currently, the commonly used method is through hard-touch glue However, during the construction process of the newly added curtain wall, the existing buildings are prone to relative deformation, especially high-rise buildings, which will lead to cracks and water seepage at the glued part of the closure.

Contents of the invention

The purpose of the present invention is to overcome the defects of the prior art, to provide a connection structure between the curtain wall and the existing exterior wall and its construction method, which solves the problem that cracks are easily generated at the glued part of the existing exterior wall, and connects the existing exterior wall by using the connection structure. The curtain wall and the existing exterior wall are used to reduce the impact of structural deformation, avoid cracking at the glued area, and reduce the risk of water seepage on the exterior wall.

The technical scheme for realizing the above-mentioned purpose is:

The invention provides a connection structure between a curtain wall and an existing exterior wall, comprising:

Several bases installed at intervals on the existing exterior wall;

keels fixed to several foundations;

a base secured to the joist for covering the plinth, which protrudes outwardly near the curtain wall to form a protrusion; and

One end of the cover plate is fixedly connected with the curtain wall, and the other end of the cover plate fits with the protruding part.

The connection structure between the curtain wall and the existing exterior wall of the present invention is installed on the keel by using the base, and then the cover plate is installed on the curtain wall, so that the cover plate and the protruding part fit together. Displacement, the relative displacement of the cover plate and the protruding part can occur, thereby offsetting the displacement of the existing external wall, preventing the overall deformation of the connection structure, avoiding cracks at the glued part, and solving the problem that is easy to occur at the glued part of the existing external wall. For the problem of cracks, the curtain wall and the existing exterior wall are connected by connecting structures to reduce the impact of structural deformation, avoid cracking at the glued part, and reduce the risk of water seepage on the exterior wall.

The further improvement of the connection structure between the curtain wall and the existing outer wall of the present invention is that it also includes a first clamping plate fixed on the keel and parallel to the existing external wall and a second clamping plate vertically connected to the end of the first clamping plate away from the keel. Card board;

The base is L-shaped, and one end of the base is fixedly connected with the keel, and the other end of the base is fixedly connected with the second clamping plate.

The further improvement of the connection structure between the curtain wall and the existing outer wall of the present invention is that it also includes anti-noise gaskets arranged between the base and the keel, and between the base and the second clamping plate.

The further improvement of the connection structure between the curtain wall and the existing external wall of the present invention is that it also includes a connecting piece fixed on the base and used to cover the base and the base, the end of the connecting piece close to the curtain wall extends outward to form an extension, and the cover The end of the panel remote from the curtain wall is fitted to the extension.

The further improvement of the connection structure between the curtain wall and the existing outer wall of the present invention is that it also includes a water-retaining rubber strip arranged between the cover plate and the extension part.

The further improvement of the connection structure between the curtain wall and the existing exterior wall of the present invention lies in that an L-shaped hooking portion is formed at the position where the base is close to the existing exterior wall;

The connector includes a first connecting plate fixedly connected to the hooking portion at one end, a second connecting plate vertically connected to the other end of the first connecting plate, and a third connecting plate vertically connected to the end of the second connecting plate away from the first connecting plate. As for the connection plate, one end of the third connection plate forms an extension part, and the other end of the third connection plate is fixedly connected with the protruding part.

The further improvement of the connection structure between the curtain wall and the existing exterior wall of the present invention is that it also includes a first sealant strip filled between the hooking part and the existing exterior wall and a second sealant filled between the cover plate and the curtain wall strip.

The further improvement of the connection structure between the curtain wall and the existing exterior wall of the present invention lies in that the position of the base close to the curtain wall is bent outwards to form a socket under the protruding part;

The connecting structure also includes a water retaining plate attached to the side of the curtain wall, and a clamping portion fixed to the water retaining plate for plugging connection with the plug-in portion.

The further improvement of the connection structure between the curtain wall and the existing outer wall of the present invention is that the base includes a fixed plate fixed on the existing outer wall and two splints arranged oppositely and fixed on the fixed plate, and the keel is clamped between the two splints .

The invention provides a construction method for the connection structure between a curtain wall and an existing exterior wall, comprising the following steps:

Provide several bases and keels, install several bases at intervals on the existing exterior wall, and fix the keel between several bases;

Provide a base, fix the base to the keel, so that the base covers the base;

A cover plate is provided, one end of the cover plate is fixedly connected with the curtain wall, and the other end of the cover plate is fitted to the protruding part of the base.

Description of drawings

Fig. 1 is a schematic diagram of an embodiment of the connection structure between the curtain wall and the existing external wall of the present invention.

Fig. 2 is a schematic diagram of another embodiment of the connection structure between the curtain wall and the existing exterior wall of the present invention.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

Referring to Fig. 1, the present invention provides a connection structure between a curtain wall and an existing exterior wall and its construction method. The base is installed on the keel, and the cover plate is installed on the curtain wall so that the cover plate and the protruding part fit together , at this time, if the existing external wall is displaced relative to the curtain wall, the cover plate and the protruding part can be displaced relative to each other, thereby offsetting the displacement of the existing external wall, preventing the overall deformation of the connection structure, and avoiding cracks at the glued area. It solves the problem that cracks are prone to occur at the glued part of the existing exterior wall. By using the connection structure to connect the curtain wall and the existing exterior wall, the influence of structural deformation is reduced, the glued part is avoided from cracking, and the risk of water seepage on the exterior wall is reduced. The connection structure between the curtain wall of the present invention and the existing exterior wall will be described below in conjunction with the accompanying drawings.

Referring to Fig. 1, Fig. 1 is a schematic diagram of an embodiment of the connection structure between the curtain wall and the existing exterior wall of the present invention. Below in conjunction with Fig. 1, the connection structure between the curtain wall of the present invention and the existing exterior wall will be described.

As shown in Figure 1, the connection structure between the curtain wall of the present invention and the existing exterior wall includes:

Several bases 11 installed on the existing outer wall 21 at intervals;

keels 12 fixed to a plurality of bases 11;

A base 13 fixed on the keel 12 and used to cover the base 11 , the base 13 protrudes outward near the curtain wall 22 to form a protruding portion 131 ; and

One end of the cover plate 16 is fixedly connected to the curtain wall 22 , and the other end of the cover plate 16 is attached to the protruding portion 131 .

Further, it also includes a first clamping plate 121 fixed on the keel 12 and parallel to the existing outer wall 21 and a second clamping plate 122 vertically connected to the end of the first clamping plate 121 away from the keel 12;

The base 13 is L-shaped, and one end of the base 13 is fixedly connected to the keel 12 , and the other end of the base 13 is fixedly connected to the second clamping plate 122 .

Specifically, it also includes anti-noise pads 133 disposed between the base 13 and the keel 12 and between the base 13 and the second clamping plate 122 .

Further, it also includes a connecting piece 14 fixed on the base 13 and used to cover the base 13 and the base 11, the end of the connecting piece 14 close to the curtain wall 22 extends outward to form an extension, and the end of the cover plate 16 away from the curtain wall 22 Fitted to the extension.

Specifically, it also includes a waterproof rubber strip 1431 disposed between the cover plate 16 and the extension.

Specifically, the base 13 is formed with an L-shaped hooking portion 132 at a position close to the existing outer wall 21;

The connector 14 includes a first connecting plate 141 fixedly connected to the hooking portion 132 at one end, a second connecting plate 142 perpendicularly connected to the other end of the first connecting plate 141, and a second connecting plate 142 vertically connected to the second connecting plate 142 away from the first connecting plate. One end of the third connecting plate 143 forms an extension, and the other end of the third connecting plate 143 is fixedly connected to the protruding portion 131 .

Preferably, it also includes a first sealing strip 1321 filled between the hooking portion 132 and the existing outer wall 21 and a second sealing strip 161 filled between the cover plate 16 and the curtain wall 22 .

Furthermore, the base 11 includes a fixing plate 111 fixed on the existing outer wall 21 and two splints 112 oppositely arranged and fixed on the fixing plate 111 , and the keel 12 is fixedly sandwiched between the two splints 112 .

As a preferred embodiment of the present invention, as shown in FIG. 2 , the position of the base 13 close to the curtain wall 22 is bent outward to form an insertion portion 134 under the protruding portion 131 ;

The connection structure also includes a water retaining plate 15 attached to the side of the curtain wall 22 and a clamping portion 151 fixed to the water retaining plate 15 and provided for plugging connection with the insertion portion 134 . The clamping portion 151 can go back and forth along the insertion portion 134 To offset the deformation of the existing outer wall 21 , and the ends of the inserting portion 134 and the snapping portion 151 both form limit blocks, which can prevent the snapping portion 151 from slipping out of the inserting portion 134 .

The concrete implementation method of the present invention is as follows:

The fixing plate 111 is fixed on the surface of the existing outer wall 21 by bolts, and then two opposite splints 112 are welded on the fixing plate 111, and the keel 12 is clamped between the two splints 112;

On the keel 12, fix the first clamping plate 121 parallel to the existing outer wall 21 and vertically connect the second clamping plate 122 on the first clamping plate 121, fix one end of the base 13 to the keel 12, and connect the base 13 The other end of the other end is fixedly connected with the second clamping plate 122. At this time, the base 13 covers the keel 12 and the base 11, and an anti-noise gasket 133 can be provided at the connection between the base 13, the keel 12 and the second clamping plate 122;

Fix the cover plate 16 to the aluminum alloy frame of the curtain wall 22, and set a second sealing strip 161 between the cover plate 16 and the curtain wall 22;

The first connecting plate 141 of the connector 14 is fixedly connected to the hooking portion 132, so that the second connecting plate 142 is parallel to the existing outer wall 21, and one end of the third connecting plate 143 is fixedly connected to the protruding portion 131 of the base 13 , the other end of the third connecting plate 143 is attached to the cover plate 16, a water-retaining rubber strip 1431 is provided between the third connecting plate 143 and the cover plate 16, and a water-retaining rubber strip 1431 is provided between the hooking part 132 and the existing outer wall 21 The first sealing rubber strip 1321, if the existing outer wall 21 is relatively displaced at this time, the third connecting plate 143 and the cover plate 16 will slide relative to each other, thereby offsetting the deformation of the existing outer wall 21;

It is also possible to further fix the water retaining plate 15 on the side of the aluminum alloy frame of the curtain wall 22 close to the existing outer wall 21, and fix the clamping part 151 on the water retaining plate 15, and clamp the clamping part 151 on the socket of the base 13. If the existing external wall 21 is relatively displaced, the engaging portion 151 can move back and forth along the inserting portion 134, thereby offsetting the deformation of the existing outer wall 21, and the engaging portion 151 and the inserting portion 134 end The limit block at the part can also prevent the engaging part 151 from coming out of the inserting part 134;

Each component is a metal part, realizing the flexible connection between the curtain wall 22 and the existing exterior wall 21, which can reduce the impact of deformation of the existing exterior wall, and effectively avoid the risk of cracking at the glued part and water seepage of the existing exterior wall.

The present invention also provides a construction method for the connection structure between the curtain wall and the existing exterior wall, comprising the following steps:

Provide several bases 11 and keels 12, install several bases 11 on the existing outer wall 21 at intervals, and fix the keels 12 between several bases 11;

Provide a base 13, fix the base 13 to the keel 12, so that the base 13 covers the base 11;

A cover plate 16 is provided, one end of the cover plate 16 is fixedly connected to the curtain wall 22 , and the other end of the cover plate 16 is attached to the protruding portion 131 of the base 13 .

The mode of operation that construction method provided by the present invention actually implements is as follows:

The fixing plate 111 is fixed on the surface of the existing outer wall 21 by bolts, and then two opposite splints 112 are welded on the fixing plate 111, and the keel 12 is clamped between the two splints 112;

On the keel 12, fix the first clamping plate 121 parallel to the existing outer wall 21 and vertically connect the second clamping plate 122 on the first clamping plate 121, fix one end of the base 13 to the keel 12, and connect the base 13 The other end of the other end is fixedly connected with the second clamping plate 122. At this time, the base 13 covers the keel 12 and the base 11, and an anti-noise gasket 133 can be provided at the connection between the base 13, the keel 12 and the second clamping plate 122;

Fix the cover plate 16 to the aluminum alloy frame of the curtain wall 22, and set a second sealing strip 161 between the cover plate 16 and the curtain wall 22;

The first connecting plate 141 of the connector 14 is fixedly connected to the hooking portion 132, so that the second connecting plate 142 is parallel to the existing outer wall 21, and one end of the third connecting plate 143 is fixedly connected to the protruding portion 131 of the base 13 , the other end of the third connecting plate 143 is attached to the cover plate 16, a water-retaining rubber strip 1431 is provided between the third connecting plate 143 and the cover plate 16, and a water-retaining rubber strip 1431 is provided between the hooking part 132 and the existing outer wall 21 The first sealing rubber strip 1321, if the existing outer wall 21 is relatively displaced at this time, the third connecting plate 143 and the cover plate 16 will slide relative to each other, thereby offsetting the deformation of the existing outer wall 21;

It is also possible to further fix the water retaining plate 15 on the side of the aluminum alloy frame of the curtain wall 22 close to the existing outer wall 21, and fix the clamping part 151 on the water retaining plate 15, and clamp the clamping part 151 on the socket of the base 13. If the existing external wall 21 is relatively displaced, the engaging portion 151 can move back and forth along the inserting portion 134, thereby offsetting the deformation of the existing outer wall 21, and the engaging portion 151 and the inserting portion 134 end The limit block at the part can also prevent the engaging part 151 from coming out of the inserting part 134;

Each component is a metal part, realizing the flexible connection between the curtain wall 22 and the existing exterior wall 21, which can reduce the impact of deformation of the existing exterior wall, and effectively avoid the risk of cracking at the glued part and water seepage of the existing exterior wall.

The present invention has been described in detail above with reference to the embodiments of the accompanying drawings, and those skilled in the art can make various changes to the present invention according to the above description. Therefore, some details in the embodiments should not be construed as limiting the present invention, and the present invention will take the scope defined by the appended claims as the protection scope of the present invention.

Claims (10)

1. The utility model provides a connection structure of curtain and existing outer wall which characterized in that includes:

a plurality of bases which are arranged on the existing outer wall at intervals;

keels fixed to the bases;

the base is fixed on the keel and used for covering the base, and the position, close to the curtain wall, of the base protrudes outwards to form a protruding part; and

one end of the cover plate is fixedly connected with the curtain wall, and the other end of the cover plate is attached to the protruding stretching part.

2. The curtain wall and existing outer wall connecting structure according to claim 1, further comprising a first clamping plate fixed to the keel and parallel to the existing outer wall, and a second clamping plate vertically connected to an end of the first clamping plate away from the keel;

the base is L-shaped, one end of the base is fixedly connected with the keel, and the other end of the base is fixedly connected with the second clamping plate.

3. The curtain wall and existing exterior wall connection structure of claim 2, further comprising noise-proof gaskets disposed between the base and the keel and between the base and the second clamping plate.

4. The curtain wall and existing exterior wall connection structure of claim 1, further comprising a connector fixed to the base and covering the base and the base, wherein the connector extends outwardly near an end of the curtain wall to form an extension, and an end of the cover plate remote from the curtain wall fits the extension.

5. The curtain wall-existing exterior wall connection structure of claim 4, further comprising a water-retaining adhesive tape disposed between the cover plate and the extension portion.

6. The curtain wall and existing outer wall connecting structure according to claim 4, wherein an L-shaped hooking portion is formed at a position of the base, which is close to the existing outer wall;

the connecting piece comprises a first connecting plate, a second connecting plate and a third connecting plate, wherein one end of the first connecting plate is fixedly connected with the hooking part, the second connecting plate is vertically connected to the other end of the first connecting plate, the third connecting plate is vertically connected to the end, far away from the first connecting plate, of the second connecting plate, one end of the third connecting plate forms the extending part, and the other end of the third connecting plate is fixedly connected with the protruding part.

7. The connecting structure of the curtain wall and the existing outer wall according to claim 6, further comprising a first sealing rubber strip filled between the hooking portion and the existing outer wall and a second sealing rubber strip filled between the cover plate and the curtain wall.

8. The curtain wall and existing exterior wall connection structure of claim 1, wherein the base is bent outward at a position near the curtain wall to form a plug-in part below the protruding part;

the connecting structure further comprises a water baffle attached to the side portion of the curtain wall and a clamping portion fixed on the water baffle and used for being connected with the inserting portion in an inserting mode.

9. The curtain wall and existing outer wall connecting structure of claim 1, wherein the base includes a fixing plate fixed to the existing outer wall and two clamping plates oppositely disposed and fixed to the fixing plate, and the keel is clamped between the two clamping plates.

10. A construction method of a connection structure of a curtain wall and an existing outer wall according to claim 1, comprising the steps of:

providing a plurality of bases and the keels, installing the bases on the existing outer wall at intervals, and fixing the keels among the bases;

providing the base, and fixing the base to the keel so that the base covers the base;

and providing the cover plate, fixedly connecting one end of the cover plate with the curtain wall, and attaching the other end of the cover plate to the protruding extension part of the base.

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