RU2713065C2 - Insulating facade system - Google Patents

Abstract

FIELD: construction.SUBSTANCE: present invention relates to insulating façade installed before building outer wall. Insulating façade (100) mounted in front of outer wall (102) of building, has lag (108), vertical posts (110) between adjacent lags (108), insulating outer lining (104), made at distance from outer wall (102) of building, and insulation (112). Lags at least on sections adjoin outer wall (102) of building and are attached to it. Insulation (112) is made between skin (104) and outer wall (102) of building. Stands (110) are made at distance from outer wall (102) of building and are connected to outer wall (102) of building by at least one mounting angle (120). Also the design of fastening angle (120) is described.EFFECT: technical result is achievement of sufficient bearing capacity of posts.13 cl, 15 dwg

Description

The present invention relates to an insulating facade installed in front of an exterior wall of a building. Sometimes such exterior walls of buildings have insufficient thermal insulation. There are various options for improving this thermal insulation.

For example, it is possible to paste and plaster the exterior wall of a building with insulating boards, usually polystyrene or mineral fiber. It is also possible to enclose insulation between the exterior wall of the building and the front clinker cladding. Finally, it is known that directly on the outer wall of a building, load-bearing rails, preferably made of wood, extending horizontally or vertically can be fixed and the gaps between the load-bearing rails can be filled with insulating material by injection or in the form of a clamped felt. Outside, this frame is covered with a cladding of wood, ornamental wood, slate and other materials.

The present invention in particular relates to an insulating facade mounted in front of the exterior wall of a building and having the features set forth in the preamble of paragraph 1 of the claims. Such an insulating facade is known from DE 202013001565 U1, filed by the applicant of the present invention.

The present invention is based on the task of proposing an improved insulating facade of the above type. The objective of the present invention is to improve the suitability for installation of the insulating facade, in particular with regard to the bearing capacity.

To solve this problem, the present invention provides an insulating facade installed in front of the outer wall of the building and having the features set forth in paragraph 1 of the claims. In the specified facade, racks are installed at a distance from the outer wall of the building. In accordance with this, the racks do not lie directly on the outer wall of the building and, therefore, as building elements having relatively good thermal conductivity do not overlap the intermediate space between the outer wood cladding and the outer surface of the outer wall of the building. In addition, there is no need to adapt to the possible irregularities or curvature of the exterior wall of the building, the inner narrow edges of the uprights oriented towards the exterior wall of the building. On the contrary, the racks are located at a sufficient distance from the outer wall of the building so that the outer wall of the building itself, as a rule, with a relatively uneven passage does not adjoin the narrow inner edges of the racks. At the same time, the lags can also lie on the outer wall of the building only in areas, i.e. only part of their length in the horizontal direction along the outer wall of the building. Thanks to this, the costs of individual adaptation of the frame structure formed from lags and racks to a special contour of the outer wall of the building are further reduced.

For attaching the above connection of the lags and racks in accordance with the present invention, each rack, in addition, is connected to the outer wall of the building with at least one mounting bracket. The advantage of this solution is that, in accordance with the prior art, due to the fastening of the uprights directly to the exterior wall of the building, the above-described installation of the insulating facade receives unloading only by means of lags. Thus, the supporting structure of the insulating facade, consisting of lags and racks, can be connected to the outer wall of the building using a larger number of contact points.

The fastening of the lags to the outer wall of the building, as well as the fastening of the racks, usually occurs through dowels that interact with the outer wall of the building. Thanks to the present invention, in each case dowels can be used, which themselves have a lower load-bearing capacity. However, due to the increase (number) of contact points and, consequently, dowels for fixing lags and racks, it is ensured that the insulating facade is mounted on the outer wall of the building with the necessary fixing force.

In this case, the logs can be connected to the outer wall of the building in a manner known from German utility model DE 202013001565. Details of the corner device discussed in the earlier application for the utility model of the present applicant are hereby incorporated by reference into this application.

Thus, the present description, in particular, is limited by the features of the mounting bracket mated with the rack for connecting the corresponding rack with the outer wall of the building.

The specified mounting bracket is the result of practical considerations and research to find the best design for the connecting element for connecting the racks with the outer wall of the building, given that the distance between the racks and the outer wall of the building can vary. Moreover, the present invention is aimed at achieving sufficient bearing capacity of the racks. The mounting bracket of the present invention is proposed taking into account changes in the distances between the uprights and the outer wall of the building, as well as the necessary strength of the fastening of the uprights. At the same time, the need for the best connection and transmission of the fastening forces transmitted to the outer wall of the building by the supporting structure consisting of racks and lags is taken into account. Of course, the mounting bracket should be as stiff as possible, however, with regard to its own weight of the supporting structure and manufacturing costs, it should have a design that is as optimized as possible with respect to weight. In addition, the inventors tried to find a solution that allows for sufficient support of the racks by means of fixing angles even in the case of an external wall of a building providing a poor base for anchoring the dowels or other fixing elements.

Improved embodiments of the insulating facade proposed in the present invention are given in dependent claims 2-14.

Independent claim 15 characterizes a mounting bracket for fastening the posts of the insulating facade mounted in front of the outer wall of the building. Improved embodiments of this corner are defined by the features of dependent paragraphs 2-14 relating to the insulating facade.

Additional details and advantages of the present invention follow from the following description by way of drawings of one embodiment of the invention. The drawings show the following:

FIG. 1 is a longitudinal sectional view of an embodiment of a main corner of the present invention;

FIG. 2 is a section along line II-II according to the image in FIG. 1;

FIG. 3 is a section along line III-III according to the image in FIG. 1;

FIG. 4 is a longitudinal section of a spacer of the present invention;

FIG. 5 is a section along line V-V according to the image in FIG. 4;

FIG. 6 is a section along line VI-VI according to the image in FIG. 4 for the first, second and third struts;

FIG. 7 is a longitudinal sectional view of an embodiment of an additional corner of the present invention;

FIG. 8 is a section along line VIII-VIII according to the image in FIG. 7;

FIG. 9 is a section along line IX-IX according to the image in FIG. 7;

FIG. 10 is a longitudinal section through an insulating façade extending over several floors using the spacer shown in FIG. 4, 5 and 6;

FIG. 11 is a plan view of one embodiment of a mounting bracket;

FIG. 12 is a plan view of the mounting bracket of FIG. 11 offset by 90 °;

FIG. 13 is an end view of the mounting angle of FIG. 11 and 12;

FIG. 14, 15 are longitudinal sections of the rack with an example of the implementation of the mounting bracket when mounted on the outer wall of the building.

FIG. 1-3 show an embodiment of a main corner 10 having a long shelf 12 that is approximately four times longer than the short shelf 14 of the main corner 10. Both shelves 12, 14 are formed by bending a sheet metal strip whose width approximately corresponds to half the length of the short shelf 14. Before this, various holes are made in the sheet metal strip. Thus, the longer shelf 12 preferably has three bolt holes 16a-16c, made at an equal distance from each other. The uppermost bolt hole 16c is located from the upper free edge of the longer shelf 12 at a distance of about 2 centimeters. An elongated hole 18 is formed between the lower bolt hole 16a and the middle bolt hole 16b.

In the shorter shelf 14 there are two bolt holes 20a, 20b. The front bolt hole 20b is approximately 15 mm apart (the distance between the midpoint of the bolt hole 20b and the front edge of the shorter shelf 14). Between the bolt hole 20a and the angle 22 of the main corner 10 is an elongated hole 24.

All bolt holes 16, 20 have approximately the same diameter from 10.5 to 11 mm. They are made so that the mounting bolt M10 or dowel with a diameter of 10 can be held through the hole 16, 20 for the bolt. The elongated hole 18 has a slightly smaller diameter (9 mm). The elongated hole 24 has a smaller diameter, for example, a diameter of 4 to 6 mm.

FIG. 4, 5 and 6 illustrate an example embodiment of the strut 30. The strut 30 has an upper abutment region 32, a lower abutment region 34 and a spacer region 36 defining a main direction of extension of the spacer 30. Compared to this main direction of extension, the upper abutment region 32 and the lower region 34 fit changed as a result of bending. This change is always made with the aim of superficially adhering the upper abutment region 32 to the upper end of the longer flange 12 and making the lower abdominal region 34 so that it extends at least parallel to the extension direction of the shorter flange 14. In other words, the lower abutment region 34 and the upper the area 32 of the fit pass at right angles to each other.

In the upper abutment region 32, an upper bolt hole 38a is formed, and in the lower abutment region 34, a lower bolt hole 38b is formed.

FIG. 7-9 show an example of the implementation of the additional corner 40. The specified additional corner 40 has a first shelf 42 additional corner and passing at right angles to the second shelf 44 of the additional corner, which are connected to each other by angle 46 and pass at right angles to each other. The first additional corner shelf 42 has two bolt holes 47a, 47b located one after the other in the longitudinal direction of the additional corner shelf 42. At the level of the rear bolt hole 47a, there are two smaller holes 49, each of which is made between the bolt hole 47a and the longitudinal edge of the first flange 42 of the additional corner.

The bolt holes 20a, 20b in the shorter shelf 14 of the main corner 10 are centered relative to the bolt holes 47a, 47b in the additional corner 40 and have the same diameter with them. The flange 42 of the additional corner has the same dimensions as the shorter flange 14 of the main corner 10. These flanges have the same width and the same length, measured from the corresponding angle 22 or, respectively, 46. At the level of the bolt hole 47a there are two smaller holes 49, each of which is located between this bolt hole and the side edge of the shelf 42. The smaller hole 49 has a smaller diameter than the bolt holes, for example, a diameter of 4 to 6 mm. The hole 48 in the shorter shelf 44 has the same diameter as the hole 16 and is located at the same distance from the angle 46 as the hole 16 from the angle 22.

In FIG. 10 shows a longitudinal section through an insulating facade 100 mounted using the above-described fasteners on the exterior wall 102 of a building. The insulating facade 100 comprises insulating fiberboards 104 provided as outer sheathing, mounted vertically one above the other and next to each other, and held by the frame 106. The frame 106 comprises lags 108 extending between the inner surface of the insulating fiberboard 104 and the outer the surface of the outer wall 102 of the building, and connected to the outer wall 102 of the building. Between these frame elements 106, extending mainly in the horizontal direction, there are racks 110, each of which at the end is connected to a corresponding lag 108. As can be seen from the drawing, the racks 110 are much thinner than the lags 108. Therefore, the inner narrow edge 110a of the racks 110 installed at a considerable distance from the outer wall 102 of the building. The outer narrow face 110b of the uprights 110 ends flush with the corresponding end of the lags 108. Thus, due to the frame, a flat structure is created to fit the insulating wood fiber boards 104. Between the uprights 110 there is an insulation 112 of cavities, preferably in the form of swollen wood fibers, to obtain a filling insulation cavity. These swollen wood fibers 112 fill all the cavities between the outer wall 102 of the building and the inner surface of the insulating fiberboard 104.

Cavity insulation 112 also fills system-defined cavities between the inner narrow faces 110a of the uprights 110 and the exterior wall 102 of the building. As a result, a significantly better thermal insulation coefficient is obtained in the region of this thermal bridge. An insulation 112 of the cavities is also surrounded and therefore limited by the fastening structure of the insulating facade 100, described in more detail below.

This mounting structure is explained in more detail below with reference to the various floors and FIG. 10. In this case, references are made to the various floors defined by the lags 108. The lags 108 can be performed at the level of the floor plane. However, they can also be located above or below the plane separating from each other the real floors in the building. The individual lags 108 shown in FIG. 10 floors defined by signs I-III. In this case, the lower lag 108 I is preferably installed near the ground to complete the insulating facade 100 from the lower side. This lower lag 108 I is only held by an angle device 114 mounted on the upper side of the corresponding lag 108 I. In the example of FIG. 10, the corner device 114 comprises a right angle 10, with bolt holes 16a to 16c, mounted on the outer wall 102 of the building. By means of a pin 116 passing through the lag 108 I, the shorter shelf 14 is screwed to the lag 108 I. This pin 116 passes through the bolt hole 20a. In the embodiment shown, the spacer 30 shown in FIG. 4, 5 and 6, i.e. the longest strut. It is formed by the upper fixing bolt 118c, which, like the other fixing bolts 118a, 118b, is screwed into the outer wall of the building. The upper fixing bolt 118c passes through the upper bolt hole 16c and the upper bolt hole 38a 38a. The lower abutment region 34, thus fixed on the longer shelf 12, runs parallel to the lag 108 I and secured with another stud 116. As can be seen from FIG. 11a, the lower abutment region 34 of the strut 30 is mounted at a considerable distance from the front, free end of the shorter shelf 14 and on the upper side of the lag 108 I. In this case, this distance approximately corresponds to the direction of passage of the shorter shelf 14.

The second floor is formed using lag 108 II. This lag on its upper side is bonded to the outer wall 102 of the building in the manner described above. On the underside is the above-described additional corner 40, through which, through its bolt hole 47a, a stud 116 passes, also passing through the bolt hole 20a of the shorter shelf 14. A fastening bolt 118 screwed to the outer wall 102 of the building passes through the bolt hole 48.

The upper lag 108 III is fixed in the above manner only by means of an additional angle 40. However, the stud 116 is not used. In contrast, wood screws 119 are screwed through the smaller holes 49 and screwed into the lower side of the lag 108 III. Such a simpler mounting than the other floors of the upper lag 108 III is possible, since it does not have to absorb vertical loads.

In FIG. Figures 11-13 illustrate an example embodiment of a mounting bracket 120, which is bent L-shaped in cross section and has a shorter adjoining shelf 122 applied to the wall of the building, and a mounting shelf 124 applied to the stand 110. The shelves 122, 124 extend at right angles to each other (cf. FIG. 13). As shown in particular in FIG. 11, the mounting shelf 124 forms a trapezoidal section 126, the NT height of which is from 40 to 60% of the height H of the mounting shelf 124. The height H is from 100 to 130 mm, while the height of the NT, as a rule, lies in the range from 45 to 60 mm. The trapezoidal section 126 is made in the form of an isosceles trapezoid, and in this case the longer of the parallel sides, indicated by 128, has a length of 330 to 380 mm, while the shorter side, indicated by 130, has a length of 160 to 200 mm . The trapezoidal section 126 rises from the rectangular base, indicated by the reference numeral 132, by which the trapezoidal section 126 passes into the adjacent flange 122, made with a rectangular base. Rectangular base 132 has a height of HB from 10 to 20 mm.

A rectangular portion 134 is formed on that side of the trapezoidal section 126, which is opposite the rectangular base 132. At the transition formed by the shorter side 130 between the rectangular section 134 and the trapezoidal section 126, a series of holes 136 are made extending in the longitudinal direction of the adjacent flange 122 and having a diameter of from 4 to 6 mm, in the shown embodiment 5 mm, for connecting to a suitable stand 110 wood screws passing through the mounting holes 136. In this case, the mounting holes Stia 136 are arranged in two lines, and S in each case two parallel rows formed to be offset from each other. The offset is from 2 to 10 mm. In the illustrated embodiment, four different rows of mounting holes 136 are made, denoted by R1 to R4. Due to the offset V with the mounting angle 120, racks 110 can be connected at different distances from the outer wall 102 of the building.

As can be seen from FIG. 11, the mounting holes 136 are located only in the rectangular portion 134.

The distance between the holes of one row R1-R4, located one after the other in the longitudinal direction, is approximately 80 ± 10 mm. The mounting holes 136 of the corresponding nearest adjacent row R1 are centered between the holes of the corresponding adjacent row R2.

The distance between the mounting holes 136 and the free end of the adjacent flange formed by the rectangular portion 134 is 6 to 8 mm, so that there is enough space for mounting the wood screw on the adjacent flange. The nearest adjacent rows R1, R2 or R3, R4 respectively as a shift V have an interval of several millimeters, preferably approximately 5 ± 0.5 mm.

As can be seen from FIG. 12, the width B of the adjacent flange 122 is approximately 45 to 55 mm. In this case, three holes 138 are made in the adjacent flange 122, the diameter of which is from about 9 to 12 mm, in this case about 10.5 mm. In this case, three holes 138 are made along the length of the adjoining shelf 122, the distance between the external holes 138.1 and 138.3 and the ends of the mounting angle 120 being approximately 20 ± 5 mm.

The mounting bracket 120 is made of galvanized sheet metal, in this case having a thickness of 3 mm.

FIG. 14 and 15 show various sections of a stand 110 mounted on the outer wall 102 of a building using a mounting bracket 120. In FIG. 14 and 15, it is clearly shown that the strut 110 is in each case attached to the outside of the mounting shelf 124 located opposite the adjacent shelf 122. Accordingly, with respect to the adjacent shelf 122, the strut 110 is on the opposite side. In the embodiment of FIG. 14, the strut 110 is located at a distance of approximately 9 mm from the outer wall 102 of the building. In the embodiment of FIG. 15, the corresponding distance is approximately 45 mm. In both versions, the post 110 is mounted on the mounting bracket 120 as a whole with 10 wood screws 140 passing through the corresponding mounting holes 136 and screwed to the post 110. The result is a reliable fastening of the posts 110 of the insulating facade. Moreover, thanks to the mounting angle 120, the posts 110 can be mounted and fixed evenly at a distance of 0 to 65 mm from the outer surface of the outer wall 102 of the building. Moreover, the maximum length of the rack 110 in the transverse direction is from 120 to 180 mm. Using standard wooden racks with a cross section of 60 × 100 mm, the total thickness of the insulating facade from 170 to 235 mm can be obtained. A greater insulation thickness of up to 370 mm can be achieved by using deeper wooden posts or by increasing the width of the posts in the area of the mounting corners 120.

List of reference designations:

10 main area

12 long shelf

14 short shelf

16a, b, c bolt hole

18 elongated hole

20a, b bolt hole

22 angle

24 elongated hole

30 strut

32 upper seating area

34 lower area of the fit

36 spacer area

38a upper bolt hole

38b lower bolt hole

40 additional corner

42 first shelf additional corner

44 second shelf additional corner

46 angle

47a, b bolt hole

48 bolt hole

49 small hole

100 insulating facade

102 outer wall of the building

104 insulating fiberboard

106 frame

108 lag

110 rack

110a inner narrow line

110b outer narrow edge

112 cavity filling thermal insulation / swollen wood fibers

114 corner device

116 hairpin

118 bolt

119 wood screw

120 mounting bracket

122 adjacent shelf

124 mounting shelf

126 trapezoidal section

128 longer side

130 shorter side

132 rectangular base

134 rectangular section

136 mounting hole

138 holes

140 wood screw

N mounting shelf height

NT trapezoidal height

The width of the adjacent shelf

R1-R4 rows of mounting holes 136

S line

V offset

Claims (14)

1. An insulating facade (100) mounted in front of the outer wall (102) of the building and containing logs extending mainly in the horizontal direction (108), which, at least in sections, are adjacent to the outer wall (102) of the building and vertically attached to it passing racks (110) passing between adjacent lags (108) and made at a distance from the outer wall (102) of the building, insulating outer skin (104), made at a distance from the outer wall (102) of the building, and insulation (112) made between the cladding (104) and the outer wall (102) of the building, characterized in that the posts (110) are connected to the outer wall (102) of the building by at least one mounting corner (120), the mounting corner (120) having an adjacent shelf (122) adjacent to the outer wall (102) of the building and to the stand (110), a mounting shelf (124) having a trapezoidal section (126), and a rectangular section (134) protrudes from the shorter of the parallel sides (130) on the side of the trapezoidal section (126), which is opposite the adjacent shelf (122) ) 2. An insulating facade (100), mounted in front of the outer wall (102) of the building, according to claim 1, characterized in that the trapezoidal section (126) occupies from 40 to 60% of the height (H) of the mounting shelf (124). 3. An insulating facade (100), mounted in front of the outer wall (102) of the building, according to claim 1 or 2, characterized in that the trapezoidal section (126) is formed by an isosceles trapezoid. 4. An insulating facade (100), mounted in front of the outer wall (102) of the building, according to claim 3, characterized in that the ratio of the lengths of the parallel sides (119, 121) is from 0.4 to 0.6, preferably 0.5 ± 0.025. 5. An insulating facade (100), mounted in front of the outer wall (102) of the building, according to claim 1, characterized in that the rectangular section (134) forms the free end of the trapezoidal section (126). 6. An insulating facade (100), mounted in front of the outer wall (102) of the building, according to claim 4 or 5, characterized in that the adjacent shelf (122) has the same length as the longer of the parallel sides (128). 7. An insulating facade (100) mounted in front of the outer wall (102) of the building, according to any one of paragraphs. 1-6, characterized in that the adjacent flange (122) has a plurality of holes (138) made one after the other in the longitudinal direction, having a diameter of 9 to 12 mm. 8. The insulating facade (100), mounted in front of the outer wall (102) of the building, according to any one of paragraphs. 1-7, characterized in that the mounting shelf (124) has a plurality of mounting holes (136) made one after the other in the longitudinal direction, having a diameter of 4 to 6 mm. 9. An insulating facade (100), mounted in front of the outer wall (102) of the building, according to claim 8, characterized in that the mounting holes (136) are made in many parallel rows (R1-R4). 10. An insulating facade (100), mounted in front of the outer wall (102) of the building, according to claim 8 or 9, characterized in that the two rows of mounting holes (136) are made directly next to each other, so that the holes (136) of both rows (R1, R2; R3, R4) are located with a slight offset relative to each other. 11. An insulating facade (100) mounted in front of the outer wall (102) of the building, according to any one of paragraphs. 8-10, characterized in that the mounting holes (136) are made only in a rectangular section (134). 12. An insulating facade (100) mounted in front of the outer wall (102) of the building, according to any one of paragraphs. 1-11, characterized in that the mounting bracket (120) is made of galvanized sheet metal having a thickness of 2 to 4 mm. 13. A mounting bracket (120) for fastening the uprights (110) of the insulating facade (100) mounted in front of the outer wall (102) of the building, comprising an adjacent shelf (122) adapted to fit to the outer wall (102) of the building, and made with the mounting shelf (124) having a trapezoidal section (126) can be adjacent to the rack (110), and a rectangular section protrudes from the shorter of the parallel sides (130) on the side of the trapezoidal section (126), which is opposite the adjacent shelf (122) (134).

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