CN220978459U - Heat preservation wall structure - Google Patents
Heat preservation wall structure Download PDFInfo
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- CN220978459U CN220978459U CN202420820415.2U CN202420820415U CN220978459U CN 220978459 U CN220978459 U CN 220978459U CN 202420820415 U CN202420820415 U CN 202420820415U CN 220978459 U CN220978459 U CN 220978459U
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- section steel
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- precast slab
- insulating plate
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- 238000004321 preservation Methods 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 68
- 239000010959 steel Substances 0.000 claims abstract description 68
- 230000003014 reinforcing effect Effects 0.000 claims description 55
- 238000009413 insulation Methods 0.000 claims description 44
- 230000007306 turnover Effects 0.000 claims description 12
- 239000010410 layer Substances 0.000 description 13
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- 239000004567 concrete Substances 0.000 description 5
- 239000002585 base Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000011083 cement mortar Substances 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011505 plaster Substances 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004794 expanded polystyrene Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011325 microbead Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- -1 phenolic aldehyde Chemical class 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 229920006327 polystyrene foam Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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- Building Environments (AREA)
Abstract
The utility model relates to the technical field of building wall structures, in particular to a heat-insulating wall structure which comprises a sandwich heat-insulating plate, a first precast plate, a second precast plate and a connecting component, wherein the first precast plate is arranged on the outer side of the sandwich heat-insulating plate, the second precast plate is arranged on the inner side of the sandwich heat-insulating plate, the connecting component comprises a plurality of section steel and split bolts, the split bolts are arranged on the upper edge and the lower edge of the first precast plate, the section steel is pre-buried on the upper edge and the lower edge of the second precast plate, the section steel positioned on the upper edge of the first precast plate is connected with the section steel positioned on the upper edge of the second precast plate through the split bolts, and the section steel positioned on the lower edge of the precast plate is connected with the section steel positioned on the lower edge of the second precast plate through the split bolts. The problem of each structural layer is comparatively laborious and easily produces the damage when fixed in current heat preservation wall body has been solved.
Description
Technical Field
The utility model relates to the technical field of building wall structures, in particular to a heat-insulating wall structure.
Background
The heat-insulating wall body refers to a wall body with a heat-insulating structure or a heat-insulating function, and indoor heat insulation is realized through heat-insulating materials arranged in the heat-insulating wall body, wherein the common heat-insulating wall body materials mainly comprise organic materials (such as benzene boards, polystyrene boards, extruded sheets, polystyrene foam boards, rigid foam polyurethane, polycarbonate, phenolic aldehyde and the like), inorganic materials (such as perlite cement boards, foam cement boards, composite silicate, rock wool, autoclaved sand aerated concrete blocks, traditional heat-insulating mortar and the like) and composite materials (such as metal sandwich boards, polystyrene cores, vitrified microbeads, polyphenyl particles and the like).
In the prior art, each structural layer in the heat preservation wall body is relatively laborious when fixed, and the connecting piece of each structural layer can cause the damage to sandwich heat preservation board and external heated board in addition, reduces engineering quality, influences its heat preservation effect.
Disclosure of utility model
The utility model provides a heat-insulating wall structure, which aims to solve the problems that each structural layer in the existing heat-insulating wall is laborious and easy to damage during fixing.
In order to achieve the above purpose, the utility model provides a heat-insulating wall structure, which comprises a sandwich heat-insulating plate, a first precast slab, a second precast slab and a connecting assembly, wherein the first precast slab is arranged on the outer side of the sandwich heat-insulating plate, and the second precast slab is arranged on the inner side of the sandwich heat-insulating plate;
The connecting assembly comprises profile steel and split bolts, and a plurality of split bolts are arranged;
The section steel is pre-buried at the upper edge and the lower edge of the first precast slab and the upper edge and the lower edge of the second precast slab;
The section steel positioned at the upper edge of the first precast slab is connected with the section steel positioned at the upper edge of the second precast slab through the split bolt;
And the section steel positioned at the lower edge of the precast slab is connected with the section steel positioned at the lower edge of the precast slab through the split bolt.
Preferably, a first reinforcing net is arranged between the sandwich heat-insulating plate and the first precast slab;
The first reinforcing net is arranged between the sandwich heat-insulating plate and the second precast plate.
Preferably, the section steel is angle steel, a plurality of connecting holes are formed in the vertical part of the section steel, and two opposite section steels are connected with the connecting holes in a matched manner through split bolts;
Preferably, a plurality of embedded ribs are fixedly connected to the bottom surface of the section steel horizontal part;
The section steel is respectively connected with the first precast slab and the second precast slab through the embedded ribs.
Preferably, the free end of the embedded bar is provided with a hook.
Preferably, a plurality of fixing holes are formed in the horizontal part of the section steel;
The bottom surface of the section steel horizontal part is fixedly connected with a plurality of embedded pipes, and the embedded ribs are fixedly connected to the free ends of the embedded pipes;
the axis of the embedded pipe is coincident with the axis of the fixed hole;
The embedded pipes are embedded in the first prefabricated plate and the second prefabricated plate respectively.
Preferably, threads are arranged on the inner wall of the embedded pipe.
Preferably, the heat insulation plate also comprises an outer heat insulation plate and an inner heat insulation plate;
The outer heat-insulating plate is arranged on the outer side of the sandwich heat-insulating plate, and the first precast slab is positioned between the outer heat-insulating plate and the sandwich heat-insulating plate;
The inner heat-insulating plate is arranged on the inner side of the sandwich heat-insulating plate, and the second precast slab is positioned between the inner heat-insulating plate and the sandwich heat-insulating plate.
Preferably, a second reinforcing net is arranged on the outer side of the outer heat-insulating plate;
The upper edge and the lower edge of the reinforcing mesh II are respectively provided with a turnover part, and the turnover parts of the reinforcing mesh II are fixedly connected to the horizontal part of the section steel in a threaded fit mode through fixing bolts and the embedded pipes.
Preferably, the inner side of the inner heat insulation plate is provided with a third reinforcing net;
The upper edge and the lower edge of the reinforcing net III are respectively provided with a turnover part, and the turnover parts of the reinforcing net III are fixedly connected to the horizontal part of the section steel in a threaded fit mode of the fixing bolts and the embedded pipes.
The utility model has the following beneficial effects:
1. The first prefabricated plate, the second prefabricated plate and the sandwich heat-insulating plate are more conveniently and rapidly fixed together by connecting and fixing the profile steel at the upper edge and the lower edge of the first prefabricated plate and the second prefabricated plate through the split bolts, the first prefabricated plate and the second prefabricated plate can fix the sandwich heat-insulating plate and the reinforcing net I at the inner side and the outer side of the sandwich heat-insulating plate, so that the heat-insulating performance of the sandwich heat-insulating plate is guaranteed, the compressive strength and the bending tensile strength of the heat-insulating wall can be improved by the first prefabricated plate and the second prefabricated plate;
2. The embedded pipes are arranged on the horizontal parts of the section steel, so that punching treatment is not required on the upper edges and the lower edges of the first precast slab and the second precast slab, the second reinforcing net and the third reinforcing net can be more conveniently installed, the outer heat-insulating slab and the inner heat-insulating slab cannot be damaged, and the heat-insulating performance of the heat-insulating wall is further improved under the condition that the heat-insulating performance of the inner heat-insulating slab and the outer heat-insulating slab is ensured;
3. The sandwich insulation board is fixed in a clamping mode, and the embedded pipe is arranged on the horizontal part of the section steel, so that the prefabricated board I and the prefabricated board II can be prevented from being cracked due to punching, and the prefabricated board I and the prefabricated board II can be prevented from being broken by steel bars in the prefabricated board I and the prefabricated board II when the holes are punched.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a thermal insulation wall structure according to the present utility model;
FIG. 2 is a schematic view of the structure of each structural layer in a thermal insulation wall structure according to the present utility model;
Fig. 3 is a schematic structural view of a section steel, a pre-buried pipe and a pre-buried bar in the heat-insulating wall structure according to the present utility model.
In the figure 1, a sandwich insulation board; 11. a first reinforcing net; 2. an outer insulation board; 21. reinforcing net II; 3. an inner insulation board; 31. reinforcing net III; 4. a connection assembly; 41. section steel; 411. a connection hole; 412. a fixing hole; 413. pre-burying a pipe; 414. pre-burying ribs; 42. a split bolt; 5. a first precast slab; 6. a second precast slab; 7. an outer facing; 71. an outer coating; 72. an outer plastering layer; 8. an inner facing; 81. an inner coating; 82. an inner plastering layer; 9. and (5) fixing bolts.
Detailed Description
The present utility model is described in further detail below with reference to the drawings and examples to enable those skilled in the art to practice the utility model by referring to the description.
The utility model provides a heat-insulating wall structure, as shown in fig. 1 and 2, which comprises a sandwich heat-insulating plate 1, a first precast slab 5, a second precast slab 6 and a connecting component 4, wherein the first precast slab 5 is arranged at the outer side of the sandwich heat-insulating plate 1, and the second precast slab 6 is arranged at the inner side of the sandwich heat-insulating plate 1;
the connecting assembly 4 comprises a section steel 41 and split bolts 42, and a plurality of split bolts 42 are arranged;
the profile steel 41 is pre-embedded at the upper edge and the lower edge of the first precast slab 5 and the upper edge and the lower edge of the second precast slab 6;
The section steel 41 positioned at the upper edge of the first precast slab 5 is connected with the section steel 41 positioned at the upper edge of the second precast slab 6 through a split bolt 42;
The section steel 41 positioned at the lower edge of the first precast slab 5 and the section steel 41 positioned at the lower edge of the second precast slab 6 are connected through a split bolt 42.
As shown in fig. 2, a reinforcing net I11 is further arranged between the sandwich insulation board 1 and the precast slab I5;
A first reinforcing net 11 is arranged between the sandwich heat-insulating plate 1 and the second precast slab 6.
The first reinforcing mesh 11 can protect the sandwich insulation board 1 and can increase the tensile strength and the shear strength of the sandwich insulation board 1.
As shown in fig. 2 and 3, the section steel 41 is angle steel, a plurality of connecting holes 411 are formed in the vertical part of the section steel 41, and two opposite section steel 41 are connected with the connecting holes 411 in a matched manner through split bolts 42;
A plurality of embedded ribs 414 are fixedly connected to the bottom surface of the horizontal part of the section steel 41.
The section steel 41 is respectively connected with the first precast slab 5 and the second precast slab 6 through the embedded ribs 414.
The first prefabricated plate 5 and the second prefabricated plate 6 are connected and fixed through the split bolts 42, the first prefabricated plate 5 and the second prefabricated plate 6 can fix the sandwich insulation board 1 and the reinforcing net 11 on the inner side and the outer side of the sandwich insulation board 1, so that holes are not needed to be drilled on the first prefabricated plate 5, the second prefabricated plate 6 and the sandwich insulation board 1, the first prefabricated plate 5, the second prefabricated plate 6 and the sandwich insulation board 1 can still be conveniently and rapidly fixed together, the connection stability among the first prefabricated plate 5, the second prefabricated plate 6 and the sandwich insulation board 1 is improved, the sandwich insulation board 1 is prevented from being damaged, the insulation performance of the sandwich insulation board 1 is guaranteed, and the first prefabricated plate 5 and the second prefabricated plate 6 can also increase the compression strength and the bending tensile strength of an insulation wall body.
Further, as shown in fig. 3, the free ends of the embedded ribs 414 are provided with hooks.
The free end of the embedded rib 414 is provided with a hook, so that the connection strength of the profile steel 41 and the precast slab I5 and precast slab II 6 can be further increased, and the connection stability is improved.
Further, as shown in fig. 3, a plurality of fixing holes 412 are formed in the horizontal portion of the section steel 41;
The bottom surface of the horizontal part of the section steel 41 is fixedly connected with a plurality of embedded pipes 413, and embedded ribs 414 are fixedly connected to the free ends of the embedded pipes 413;
the axis of the embedded pipe 413 is coincident with the axis of the fixing hole 412;
the inner wall of the embedded pipe 413 is provided with threads;
the embedded pipes 413 are respectively embedded in the first prefabricated plate 5 and the second prefabricated plate 6.
As shown in fig. 1 and 2, the heat insulation plate further comprises an outer heat insulation plate 2 and an inner heat insulation plate 3;
the outer heat-insulating plate 2 is arranged on the outer side of the sandwich heat-insulating plate 1, and the prefabricated plate I5 is positioned between the outer heat-insulating plate 2 and the sandwich heat-insulating plate 1;
the inner heat-insulating plate 3 is arranged on the inner side of the sandwich heat-insulating plate 1, and the second precast slab 6 is positioned between the inner heat-insulating plate 3 and the sandwich heat-insulating plate 1.
As shown in fig. 2, further, a second reinforcing net 21 is arranged on the outer side of the outer heat insulation plate 2;
The upper edge and the lower edge of the second reinforcing mesh 21 are respectively provided with a turnover part, and the turnover part of the second reinforcing mesh 21 is fixedly connected to the horizontal part of the section steel 41 in a threaded fit manner through the fixing bolts 9 and the embedded pipes 413.
The reinforcing mesh two 21 protects the outer insulation board 2, and can increase the tensile strength and the shear strength of the outer insulation board 2.
As shown in fig. 2, further, a third reinforcing net 31 is arranged on the inner side of the inner heat insulation plate 3;
The upper edge and the lower edge of the third reinforcing mesh 31 are respectively provided with a turnover part, and the turnover part of the third reinforcing mesh 31 is fixedly connected to the horizontal part of the section steel 41 in a threaded fit manner through the fixing bolts 9 and the embedded pipes 413.
The reinforcing mesh III 31 protects the inner insulation board 3, and can increase the tensile strength and the shear strength of the inner insulation board 3.
The fixing bolts 9 pass through the turndown parts of the reinforcing mesh two 21 and the corresponding fixing holes 412 and are screwed into the corresponding embedded pipes 413, and the fixing bolts 9 pass through the turndown parts of the reinforcing mesh three 31 and the corresponding fixing holes 412 and are screwed into the corresponding embedded pipes 413.
The first reinforcing mesh 11, the second reinforcing mesh 21 and the third reinforcing mesh 31 can be alkali-resistant glass fiber mesh cloth or steel wire mesh.
The inner heat-insulating plate 3, the outer heat-insulating plate 2 and the sandwich heat-insulating plate 1 adopt expanded polystyrene boards.
The embedded pipe 413 is arranged on the horizontal part of the profile steel 41, so that punching treatment is not required on the upper edge and the lower edge of the prefabricated plate, the reinforcing net II 21 and the reinforcing net III 31 can be more conveniently installed, the outer heat-insulating plate 2 and the inner heat-insulating plate 3 cannot be damaged, and the heat-insulating performance of the heat-insulating wall body is further improved under the condition that the heat-insulating performance of the inner heat-insulating plate 3 and the outer heat-insulating plate 2 is ensured.
As shown in fig. 1 and 2, the surface of the reinforcing mesh two 21 is provided with an external facing 7;
the exterior facing 7 includes an exterior coating 71 and an exterior render 72;
An outer plaster layer 72 is provided on the surface of the reinforcing mesh two 21, and an outer coating 71 is applied to the outer plaster layer 72.
As shown in fig. 1 and 2, the surface of the third reinforcing mesh 31 is provided with an inner facing 8;
the inner facing 8 includes an inner coating 81 and an inner plastering layer 82;
An inner plastering layer 82 is provided on the surface of the reinforcing net three 31, and an inner coating layer 81 is painted on the inner plastering layer 82.
The inner plastering layer 82 and the outer plastering layer 72 can be made of cement mortar or flexible waterproof putty; the inner coating 81 and the outer coating 71 are paint.
According to the utility model, the two reinforcing nets I11 are respectively abutted against the inner side surface and the outer side surface of the sandwich insulation board 1, the precast slab I5 and the precast slab II 6 are respectively abutted against the outer surfaces of the two reinforcing nets I11, the split bolts 42 are penetrated into the connecting holes 411 on the two opposite profile steels 41, the split bolts 42 are screwed, the outer insulation board 2 is abutted against the outer side surface of the precast slab I5, the reinforcing net II 21 is coated on the surface of the outer insulation board 2, the upper edge and the lower edge of the reinforcing net II 21 are folded, the folded parts of the upper edge and the lower edge of the reinforcing net II 21 are covered on the surface of the horizontal part of the profile steels 41, the rod parts of the fixing bolts 9 are penetrated through the fixing holes 412 on the horizontal parts of the reinforcing net II 21 and the profile steels 41 and screwed into the pre-buried pipe 413, so that the fixing of the reinforcing net II 21 and the outer insulation board 2 is completed, and the installation method of the reinforcing net III 31 and the inner insulation board 3 is the same as that of the reinforcing net II 21 and the outer insulation board 2, and the installation method of the reinforcing net II is not repeated.
When the heat-insulating wall is installed, the building blocks are used for building the installation base on the floor, or the concrete is used for pouring the installation base, the connecting grooves are reserved on the installation base, cement mortar or concrete is injected into the connecting grooves, the heat-insulating wall is placed on the installation base, the section steel 41 at the bottom of the heat-insulating wall is buried into the cement mortar or concrete in the connecting grooves, then the building blocks are built on the top of the heat-insulating wall or the concrete is poured, the top of the heat-insulating wall is connected with the beam/roof slab, the installation of the heat-insulating wall is completed, the section steel 41 is arranged at the top and the bottom of the heat-insulating wall, and the heat-insulating wall can be more stably connected between the floor and the beam/roof slab.
Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (10)
1. The heat-insulating wall structure is characterized by comprising a sandwich heat-insulating plate (1), a first precast plate (5), a second precast plate (6) and a connecting component (4), wherein the first precast plate (5) is arranged on the outer side of the sandwich heat-insulating plate (1), and the second precast plate (6) is arranged on the inner side of the sandwich heat-insulating plate (1);
the connecting assembly (4) comprises profile steel (41) and split bolts (42), and a plurality of split bolts (42) are arranged;
The profile steel (41) is pre-embedded at the upper edge and the lower edge of the first precast slab (5) and the upper edge and the lower edge of the second precast slab (6);
The section steel (41) positioned at the upper edge of the first precast slab (5) and the section steel (41) positioned at the upper edge of the second precast slab (6) are connected through the split bolt (42);
And the section steel (41) positioned at the lower edge of the first precast slab (5) and the section steel (41) positioned at the lower edge of the second precast slab (6) are connected through the split bolt (42).
2. The heat-insulating wall structure according to claim 1, wherein a first reinforcing net (11) is arranged between the sandwich heat-insulating plate (1) and the first precast slab (5);
The first reinforcing net (11) is arranged between the sandwich heat-insulating plate (1) and the second precast slab (6).
3. The heat preservation wall structure according to claim 1, wherein the section steel (41) is angle steel, a plurality of connecting holes (411) are formed in the vertical portion of the section steel (41), and two opposite section steel (41) are connected with the connecting holes (411) in a matched mode through split bolts (42).
4. The heat preservation wall structure according to claim 1, wherein a plurality of embedded ribs (414) are fixedly connected to the bottom surface of the horizontal part of the section steel (41);
The profile steel (41) is respectively connected with the first precast slab (5) and the second precast slab (6) through the embedded ribs (414).
5. The thermal insulation wall structure according to claim 4, wherein hooks are arranged at free ends of the embedded ribs (414).
6. The heat preservation wall structure according to claim 4, wherein a plurality of fixing holes (412) are formed in the horizontal portion of the section steel (41);
A plurality of embedded pipes (413) are fixedly connected to the bottom surface of the horizontal part of the section steel (41), and the embedded ribs (414) are fixedly connected to the free ends of the embedded pipes (413);
the pre-buried pipe (413) is overlapped with the axis of the fixing hole (412);
the embedded pipes (413) are embedded in the first precast slab (5) and the second precast slab (6) respectively.
7. The heat preservation wall structure according to claim 6, wherein the inner wall of the pre-buried pipe (413) is provided with threads.
8. A thermal insulation wall structure according to claim 7, further comprising an outer thermal insulation board (2) and an inner thermal insulation board (3);
The outer heat-insulating plate (2) is arranged on the outer side of the sandwich heat-insulating plate (1), and the prefabricated plate I (5) is positioned between the outer heat-insulating plate (2) and the sandwich heat-insulating plate (1);
The inner heat-insulating plate (3) is arranged on the inner side of the sandwich heat-insulating plate (1), and the prefabricated plate II (6) is positioned between the inner heat-insulating plate (3) and the sandwich heat-insulating plate (1).
9. The heat preservation wall structure according to claim 8, characterized in that the outer side of the outer heat preservation plate (2) is provided with a second reinforcing net (21);
The upper edge and the lower edge of the reinforcing net II (21) are respectively provided with a turnover part, and the turnover parts of the reinforcing net II (21) are fixedly connected to the horizontal part of the section steel (41) in a threaded fit mode through fixing bolts (9) and the embedded pipes (413).
10. A thermal insulation wall structure according to claim 9, characterized in that the inner side of the inner thermal insulation board (3) is provided with a third reinforcing mesh (31);
The upper edge and the lower edge of the reinforcing net III (31) are respectively provided with a turnover part, and the turnover parts of the reinforcing net III (31) are fixedly connected to the horizontal part of the section steel (41) in a threaded fit mode by the fixing bolts (9) and the embedded pipes (413).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420820415.2U CN220978459U (en) | 2024-04-19 | 2024-04-19 | Heat preservation wall structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420820415.2U CN220978459U (en) | 2024-04-19 | 2024-04-19 | Heat preservation wall structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220978459U true CN220978459U (en) | 2024-05-17 |
Family
ID=91035282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420820415.2U Active CN220978459U (en) | 2024-04-19 | 2024-04-19 | Heat preservation wall structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220978459U (en) |
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2024
- 2024-04-19 CN CN202420820415.2U patent/CN220978459U/en active Active
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