CN117846178A - Energy-saving and material-reducing assembled building wall - Google Patents

Energy-saving and material-reducing assembled building wall Download PDF

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Publication number
CN117846178A
CN117846178A CN202410081892.6A CN202410081892A CN117846178A CN 117846178 A CN117846178 A CN 117846178A CN 202410081892 A CN202410081892 A CN 202410081892A CN 117846178 A CN117846178 A CN 117846178A
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China
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frame
triangular
exoskeleton
sound
angle
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CN202410081892.6A
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Chinese (zh)
Inventor
蒋聪
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China Construction Second Engineering Bureau Co Ltd
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China Construction Second Engineering Bureau Co Ltd
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Priority to CN202410081892.6A priority Critical patent/CN117846178A/en
Publication of CN117846178A publication Critical patent/CN117846178A/en
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Abstract

The invention relates to the technical field of building inner walls, in particular to an energy-saving and material-reducing type fabricated building wall, which comprises a face wall plate, a square frame and a back wall plate; triangular modules are fixedly arranged in the square frames, each triangular module comprises a triangular frame, an exoskeleton framework arranged in the triangular frame, and sound-absorbing cotton filled in the exoskeleton framework; the exoskeleton frame comprises a top corner column, a negative poisson's ratio side frame and a bottom frame; the negative poisson's ratio side frame comprises a concave frame, the side wall of the bottom frame facing the top corner column and the side wall of the bottom frame facing away from the top corner column are provided with lightening grooves which are matched with the concave frame. The invention has compact structure, low cost, obvious suction noise reduction effect, light weight, good impact resistance effect and simple assembly, adopts a hollow design and has a negative poisson grid structure, has the functions of restraining sound-absorbing cotton in the longitudinal direction and protecting the sound-absorbing cotton in the transverse direction, and is suitable for being used as a non-bearing inner wall.

Description

Energy-saving and material-reducing assembled building wall
Technical Field
The invention relates to the technical field of building inner walls, in particular to an energy-saving and material-reducing type assembled building wall.
Background
The assembled building wall is one kind of building method with prefabricated building wall components in factory and then assembled in site. The method can greatly improve the building speed and the construction quality, reduce the construction noise and pollution to the site, is an efficient, environment-friendly and energy-saving building method, and can meet the requirements of modern buildings on speed, quality and environment protection.
Chinese patent document CN202122445410.5 discloses a wood shear wall with bamboo-like studs, which adopts an inner skeleton with a concave hexagon, which has a negative poisson's ratio effect in the longitudinal direction and no negative poisson's ratio effect in the transverse direction, and has poor transverse impact resistance.
Chinese patent document CN111063403a discloses a novel three-dimensional negative poisson ratio honeycomb structure, and the patent adopts the honeycomb structure to design the negative poisson ratio material, and since the units of the negative poisson ratio material are connected and stacked in three dimensions, a complex manufacturing process is required, the manufacturing cost is high, and the storage and transportation are relatively inconvenient.
Disclosure of Invention
The invention aims to provide an energy-saving and material-reducing type fabricated building wall body so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: an energy-saving and material-reducing assembled building wall comprises a face wall plate, a square frame and a back wall plate which are sequentially connected along the front-back direction; an inner supporting frame is fixedly arranged on the inner wall of the square frame, the inner supporting frame divides the interior of the square frame into a plurality of triangular cavities, triangular modules are fixedly arranged in the triangular cavities, each triangular module comprises a triangular frame, an exoskeleton framework arranged in the triangular frame, sound-absorbing cotton filled in the exoskeleton framework, an elastic sound-absorbing plate fixedly arranged on the front side of the sound-absorbing cotton, and a heat-insulating plate fixedly arranged on the rear side of the sound-absorbing cotton;
the exoskeleton framework comprises a vertex column, two negative poisson ratio side frames fixedly connected with two adjacent side walls of the vertex column respectively, and a bottom frame which is fixedly connected with the end parts, far away from the vertex column, of the two negative poisson ratio side frames and bends towards the vertex column; the negative poisson ratio side frame comprises an indent frame, the side wall of the bottom frame facing the top corner column and the side wall of the bottom frame facing away from the top corner column are provided with lightening grooves which are matched with the indent frame.
Optionally, the triangular cavity, the triangular module and the triangular frame are all isosceles right triangle structures, and the inner support frame is of an X-shaped structure;
four triangular modules are arranged in the triangular cavity, wherein right-angle vertexes of the three triangular modules are respectively positioned at the midpoints of three sides of the triangular cavity, and right-angle vertexes of the rest triangular modules are positioned at right-angle vertexes of the triangular cavity;
four exoskeleton frameworks are arranged in the triangular frame, wherein right-angle vertexes of the three exoskeleton frameworks are respectively positioned at midpoints of three sides of the triangular frame, and right-angle vertexes of the rest exoskeleton frameworks are positioned at right-angle vertexes of the triangular frame.
Optionally, the elastic acoustic board with the thermal insulation board is isosceles triangle structure, the preceding lateral wall of back of the body wallboard is fixed to be inlayed and is equipped with three collar, and three the collar is inside and outside concentric circle and distributes, the focus department of thermal insulation board passes through bolt and collar fixed connection.
Optionally, the top corner column is of a quadrangular prism structure, and the angle of bending the bottom side frame towards the top corner column direction is 160-170 degrees.
Optionally, four indent frames are arranged in the negative poisson's ratio side frame, the four indent frames are sequentially connected in a 2×2 matrix, each indent frame comprises two W-shaped frames arranged in a front-back mirror symmetry manner, two V-shaped frames arranged in an up-down mirror symmetry manner, and right-angle blocks connecting the W-shaped frames with the V-shaped frames.
Optionally, the right angle side fixedly connected with glue piece that keeps away from on the right angle piece V type frame, two the middle part integrated into one piece of the terminal surface that the type frame is on the back of the body is had the plane end, keep away from on the glue piece the terminal surface of type frame with the plane end is in same vertical plane, with the adjacent glue piece of elasticity abatvoix with elasticity abatvoix bonds, with the adjacent glue piece of thermal-insulated board with thermal-insulated board bonds.
Optionally, the bottom frame is integrally formed with two inclined plane ends, the two inclined plane ends are respectively located in the same plane with the two negative poisson's ratio side frames, and the inclined plane ends are provided with right angle grooves for accommodating the right angle blocks.
Optionally, the face wall board and the back wall board are both wood core boards, the front side wall of the face wall board is coated with a nano silver coating, and the rear side wall of the back wall board is coated with a waterproof coating.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention has compact structure, low cost and obvious suction noise reduction effect, the exoskeleton frame adopts a hollow design and has a negative poisson grid structure, and the invention has light weight, good impact resistance effect, simple assembly, and functions of restraining sound-absorbing cotton in the longitudinal direction and protecting the sound-absorbing cotton in the transverse direction, and is suitable for being used as a non-bearing inner wall;
2. the invention adopts the elastic acoustic board and the acoustic cotton to realize the functions of sound absorption and noise reduction, noise can enter the acoustic cotton or advance along the lightening groove after passing through the elastic acoustic board, and compared with the traditional negative poisson ratio material structure, the lightening groove has a complex path, can reflect sound waves to realize the consumption of sound wave energy, and has remarkable noise reduction effect.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic view of the square frame, inner strut and triangular module of the present invention;
FIG. 4 is a schematic diagram of a triangle module according to the present invention;
FIG. 5 is a partial cross-sectional view of a triangular module of the present invention;
fig. 6 is a schematic structural view of an exoskeleton frame of the present invention.
The attached drawings are used for identifying and describing:
1. a face wallboard; 2. a square frame; 3. a back wall plate; 4. an inner bracket; 5. a triangular cavity; 6. triangle module; 7. a triangular frame; 8. an exoskeleton frame; 9. sound absorbing cotton; 10. an elastic sound absorbing plate; 11. a thermal insulation plate; 12. a top corner post; 13. negative poisson's ratio sideframes; 14. a bottom edge frame; 15. a concave frame; 16. a lightening groove; 17. a W-shaped frame; 18. a V-shaped frame; 19. a right angle block; 20. a glue block; 21. a planar end; 22. an inclined surface end; 23. a right angle slot; 24. and (5) a mounting ring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples: referring to fig. 1 to 3, the invention provides an energy-saving and material-reducing type fabricated building wall, which comprises a face wall board 1, a square frame 2 and a back wall board 3 which are sequentially connected along the front-back direction. The face wallboard 1 and the back wallboard 3 are wood core boards, the front side wall of the face wallboard 1 is coated with a nano silver coating, and the rear side wall of the back wallboard 3 is coated with a waterproof coating. The inner wall of the square frame 2 is integrally formed with an inner bracket 4.
On the basis of the above embodiment, in this embodiment, the inner bracket 4 has an X-shaped structure, the inner bracket 4 divides the interior of the square frame 2 into four triangular cavities 5, the triangular cavities 5 are fixedly provided with triangular modules 6, and the triangular cavities 5, the triangular modules 6 and the triangular frame 7 are all isosceles right triangle structures. The right-angle vertexes of the three triangle modules 6 are respectively located at the midpoints of three sides of the triangle cavity 5, and the right-angle vertexes of the remaining triangle modules 6 are located at the right-angle vertexes of the triangle cavity 5.
Referring to fig. 4 and 5, the triangular module 6 includes a triangular frame 7, an exoskeleton frame 8 disposed in the triangular frame 7, sound absorbing cotton 9 filled in the exoskeleton frame 8, an elastic sound absorbing plate 10 fixedly disposed on the front side of the sound absorbing cotton 9, and a thermal insulating plate 11 fixedly disposed on the rear side of the sound absorbing cotton 9. The elastic acoustic panel 10 and the thermal insulation panel 11 are both isosceles triangle structures. The rear side wall of the face wallboard 1 is respectively bonded with the square frame 2 and the inner support frame 4 through glue, and the front side wall of the heat insulation plate 11 is respectively bonded with the square frame 2 and the inner support frame 4 through glue.
In the invention, sixteen triangular modules 6 are arranged in the square frame 2 in total, wherein four triangular modules 6 positioned in the middle are combined into a square structure, the rest twelve triangular modules 6 are combined into four isosceles trapezoid structures at the outer sides of the square structure, and the whole layout is simple and regular, symmetrical and orderly, and has good bearing strength.
On the basis of the above embodiment, referring to fig. 2, in this embodiment, three mounting rings 24 are fixedly embedded in the front side wall of the back wall plate 3 through bolts, the three mounting rings 24 are distributed in concentric circles, and the center of gravity of the heat insulation plate 11 is fixedly connected with the mounting rings 24 through bolts. The invention can fix the positions of the back wall plate 3 and the triangular modules 6 through the three mounting rings 24, and is convenient to plug sixteen triangular modules 6 into the triangular cavity 5 as a whole.
Referring to fig. 6, the exoskeleton frame 8 includes a top corner post 12, two negative poisson's ratio side frames 13 fixedly connected to two adjacent side walls of the top corner post 12, and a bottom frame 14 fixedly connected to an end of the two negative poisson's ratio side frames 13 away from the top corner post 12 and bent toward the top corner post 12. The negative poisson's ratio side frame 13 comprises a concave frame 15, and the side wall of the bottom frame 14 facing the top corner column 12 and the side wall of the bottom frame 14 facing away from the top corner column 12 are provided with lightening slots 16 which are matched with the concave frame 15. The angle at which the base frame 14 is bent toward the corner posts 12 is 160 deg. -170 deg..
Based on the above embodiment, in this embodiment, the vertex columns 12 are in a quadrangular prism structure, so that the included angle of the two negative poisson's ratio side frames 13 is 90 °, the exoskeleton frames 8 are in an isosceles right triangle structure, four exoskeleton frames 8 are disposed in the triangle frame 7, the right-angle vertexes of the three exoskeleton frames 8 are respectively located at the midpoints of the three sides of the triangle frame 7, and the right-angle vertexes of the remaining one exoskeleton frame 8 are located at the right-angle vertexes of the triangle frame 7.
On the basis of the above embodiment, four concave frames 15 are disposed in the negative poisson's ratio side frame 13 in this embodiment, and the four concave frames 15 are sequentially connected in a 2×2 matrix, where the concave frames 15 include two W-shaped frames 17 disposed in front-rear mirror symmetry, two V-shaped frames 18 disposed in up-down mirror symmetry, and a right-angle block 19 connecting the W-shaped frames 17 and the V-shaped frames 18. The W-shaped frame 17, the V-shaped frame 18 and the right-angle block 19 are integrally formed, and the concave frame 15 is of a concave dodecagonal negative Poisson ratio structure.
On the basis of the above embodiment, in this embodiment, the right-angle side of the right-angle block 19 far away from the V-shaped frame 18 is fixedly connected with a glue block 20, the middle parts of the opposite end surfaces of the two W-shaped frames 17 are integrally formed with a plane end 21, the end surface of the glue block 20 far away from the W-shaped frame 17 is in the same vertical plane with the plane end 21, the glue block 20 adjacent to the elastic sound-absorbing plate 10 is adhered to the elastic sound-absorbing plate 10, and the glue block 20 adjacent to the heat-insulating plate 11 is adhered to the heat-insulating plate 11. Referring to fig. 6, two adjacent front and rear concave frames 15 are bonded together by a glue block 20, and two adjacent upper and lower concave frames 15 are bonded together by a right angle block 19. In addition, the vertex column 12 and the concave frame 15, and the bottom frame 14 and the concave frame 15 are all fixed by adopting bonding. The bottom frame 14 is integrally formed with two inclined plane ends 22, the two inclined plane ends 22 are respectively positioned in the same plane with the two negative poisson's ratio side frames 13, and the inclined plane ends 22 are provided with right angle grooves 23 for accommodating the right angle blocks 19.
The exoskeleton frame 8 is assembled in an adhesive mode, and because the bottom side frame 14 is bent towards the direction of the vertex column 12, the exoskeleton frame 8 has an arrow-shaped negative poisson ratio structure, when the exoskeleton frame is subjected to longitudinal load, the exoskeleton frame is longitudinally contracted, the longitudinal energy absorption effect is good, the longitudinal impact resistance is excellent, namely the mutual extrusion of the exoskeleton frame 8 caused by longitudinal stacking is reduced. When the exoskeleton frame 8 is longitudinally contracted, the inner cavity volume of the exoskeleton frame is reduced, the sound-absorbing cotton 9 can be restrained in a certain compact space, gaps are avoided between the sound-absorbing cotton 9 and the exoskeleton frame 8, and the sound-absorbing and noise-reducing effects are improved.
The concave frame 15 has a concave dodecagonal negative poisson ratio structure, which further improves the energy absorption effect of the exoskeleton frame 8 in the longitudinal direction, has good transverse energy absorption effect and excellent transverse impact resistance when being impacted transversely, and can protect the front surface of the triangular module 6 and prevent the sound absorbing cotton 9 from shrinking due to transverse impact.
The invention can combine four exoskeleton trusses 8 into a three-dimensional structure with transverse and longitudinal negative poisson's ratio effects by the frame constraint of the triangular frame 7. The exoskeleton frame 8 is of a hollowed design and has a negative poisson grid structure, has a light impact resistance effect, and compared with a traditional negative poisson ratio material structure, the exoskeleton frame 8 is simple to assemble, has the functions of restraining the sound-absorbing cotton 9 in the longitudinal direction and protecting the sound-absorbing cotton 9 in the transverse direction, wherein the concave frame 15 can be prepared by cutting the bottom frame 14, and a left cutting opening is a lightening groove 16 after cutting on the bottom frame 14. During transportation, the concave frame 15 can be placed in the lightening groove 16, and the top corner posts 12 and the glue blocks 20 can be placed below the folded corners of the bottom edge frame 14, so that the transportation space is saved.
The invention adopts the elastic sound-absorbing plate 10 and the sound-absorbing cotton 9 to realize the functions of sound absorption and noise reduction, and noise can enter the sound-absorbing cotton 9 or advance along the lightening groove 16 after passing through the elastic sound-absorbing plate 10. Compared with the traditional negative poisson ratio material structure, the interior of the lightening groove 16 has a complex path, can reflect sound waves to realize the consumption of sound wave energy, and has remarkable noise reduction effect.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. An energy-conserving material reduction formula assembled building wall body, its characterized in that: comprises a face wall board (1), a square frame (2) and a back wall board (3) which are sequentially connected along the front-back direction; the inner wall of the square frame (2) is fixedly provided with an inner supporting frame (4), the inner supporting frame (4) divides the interior of the square frame (2) into a plurality of triangular cavities (5), triangular modules (6) are fixedly arranged in the triangular cavities (5), each triangular module (6) comprises a triangular frame (7), an exoskeleton frame (8) arranged in each triangular frame (7), sound-absorbing cotton (9) filled in the exoskeleton frame (8), an elastic sound-absorbing plate (10) fixedly arranged on the front side of the sound-absorbing cotton (9) and a heat-insulating plate (11) fixedly arranged on the rear side of the sound-absorbing cotton (9);
the exoskeleton framework (8) comprises a top corner column (12), two negative poisson ratio side frames (13) fixedly connected with two adjacent side walls of the top corner column (12) respectively, and a bottom frame (14) fixedly connected with the end parts, far away from the top corner column (12), of the two negative poisson ratio side frames (13) and bent towards the direction of the top corner column (12); the negative poisson ratio side frame (13) comprises a concave frame (15), wherein the side wall of the bottom frame (14) facing the top corner column (12) and the side wall of the bottom frame (14) facing away from the top corner column (12) are provided with lightening grooves (16) which are matched with the concave frame (15).
2. The energy-saving and material-reducing fabricated building wall according to claim 1, wherein: the triangular cavity (5), the triangular module (6) and the triangular frame (7) are all isosceles right triangle structures, and the inner support frame (4) is of an X-shaped structure;
four triangular modules (6) are arranged in the triangular cavity (5), wherein right-angle vertexes of the three triangular modules (6) are respectively positioned at midpoints of three sides of the triangular cavity (5), and right-angle vertexes of the rest triangular modules (6) are positioned at right-angle vertexes of the triangular cavity (5);
four exoskeleton frameworks (8) are arranged in the triangular framework (7), wherein right-angle vertexes of the three exoskeleton frameworks (8) are respectively located at midpoints of three sides of the triangular framework (7), and right-angle vertexes of the rest exoskeleton frameworks (8) are located at right-angle vertexes of the triangular framework (7).
3. The energy-saving and material-reducing fabricated building wall according to claim 2, wherein: the elastic sound absorbing plate (10) and the heat insulating plate (11) are of isosceles triangle structures, three mounting rings (24) are fixedly embedded in the front side wall of the back wall plate (3), the three mounting rings (24) are distributed in an inner concentric circle and an outer concentric circle, and the center of gravity of the heat insulating plate (11) is fixedly connected with the mounting rings (24) through bolts.
4. The energy-saving and material-reducing fabricated building wall according to claim 2, wherein: the vertex column (12) is of a quadrangular prism structure, and the angle of bending the bottom edge frame (14) towards the vertex column (12) is 160-170 degrees.
5. The energy-saving and material-reducing fabricated building wall according to claim 1, wherein: four concave frames (15) are arranged in the negative poisson's ratio side frame (13), the four concave frames (15) are sequentially connected in a 2 multiplied by 2 matrix, each concave frame (15) comprises two W-shaped frames (17) which are arranged in a front-back mirror symmetry mode, two V-shaped frames (18) which are arranged in an up-down mirror symmetry mode, and a right-angle block (19) which is connected with each W-shaped frame (17) and each V-shaped frame (18).
6. The energy-saving and material-reducing fabricated building wall according to claim 5, wherein: the right angle piece (19) is gone up and is kept away from right angle limit fixedly connected with glue piece (20) of V type frame (18), two the middle part integrated into one piece of the terminal surface that W type frame (17) are on the back of the body has plane end (21), glue piece (20) are gone up and are kept away from the terminal surface of W type frame (17) with plane end (21) are in same vertical plane, with glue piece (20) that elasticity abatvoix (10) are adjacent with elasticity abatvoix (10) bond, with glue piece (20) that heat insulation board (11) are adjacent with heat insulation board (11) bond.
7. The energy-saving and material-reducing fabricated building wall according to claim 5, wherein: the bottom edge frame (14) is integrally formed with two inclined plane ends (22), the two inclined plane ends (22) are respectively located in the same plane with the two negative poisson's ratio side frames (13), and the inclined plane ends (22) are provided with right angle grooves (23) for accommodating the right angle blocks (19).
8. The energy-saving and material-reducing fabricated building wall according to claim 1, wherein: the wall board (1) and the back wall board (3) are wood core boards, the front side wall of the wall board (1) is coated with a nano silver coating, and the rear side wall of the back wall board (3) is coated with a waterproof coating.
CN202410081892.6A 2024-01-19 2024-01-19 Energy-saving and material-reducing assembled building wall Pending CN117846178A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410081892.6A CN117846178A (en) 2024-01-19 2024-01-19 Energy-saving and material-reducing assembled building wall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410081892.6A CN117846178A (en) 2024-01-19 2024-01-19 Energy-saving and material-reducing assembled building wall

Publications (1)

Publication Number Publication Date
CN117846178A true CN117846178A (en) 2024-04-09

Family

ID=90534675

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202410081892.6A Pending CN117846178A (en) 2024-01-19 2024-01-19 Energy-saving and material-reducing assembled building wall

Country Status (1)

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CN (1) CN117846178A (en)

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