Heat insulation plastic steel profile

Abstract

The utility model discloses a heat insulation plastic steel profile which comprises a plastic steel body, a sliding groove is formed in the upper side of the plastic steel body, a combined groove is formed in the lower side of the plastic steel body, an aluminum-plastic plate is arranged on the portion, close to the inner surface, of the plastic steel body, a first cavity, a second cavity and a third cavity are formed in the plastic steel body, and a first heat insulation layer, a first air bag and rigid polyurethane foam are arranged in the first cavity. A second heat insulation layer, a second air bag and a heat preservation strip are arranged in the second cavity and the third cavity, a first reinforcing rib plate is arranged in the rigid polyurethane foam, and a second reinforcing rib plate is arranged in the heat preservation strip; the first heat insulation layer and the rigid polyurethane foam are connected through the first air bag, the second heat insulation layer and the heat preservation strip are connected through the second air bag, and before installation, the first air bag and the second air bag are deflated firstly, so that the first heat insulation layer and the second heat insulation layer can be compressed inwards; the first heat insulation layer, the first air bag and the rigid polyurethane foam can be conveniently inserted into the first cavity, and the second heat insulation layer, the second air bag and the heat preservation strip can be conveniently inserted into the second cavity.

Description

Technical Field

[0001] The utility model belongs to the technical field of profiles, in particular to a heat-insulating plastic-steel profile. Background Art

[0002] Plastic steel profiles are made of polyvinyl chloride resin as the main raw material, with a certain proportion of stabilizers, colorants, fillers, UV absorbers, etc. added. They are extruded into a molded material and are widely used in the production of doors and windows.

[0003] Regarding the heat-insulating plastic steel profile, in the prior art, after searching, the utility model patent with the Chinese patent publication number CN219241692U discloses a heat-insulating plastic steel profile, such as Figure 1 As shown, it mainly includes a plastic steel body a, two slide grooves b are arranged on the upper side of the plastic steel body a, a combined groove c is arranged on the lower side of the plastic steel body a, an aluminum-plastic plate d is arranged near the inner surface of the plastic steel body a, and a first cavity e, a second cavity f, and a third cavity g are arranged inside the plastic steel body a, a first heat insulation layer h and a polyurethane rigid foam k are arranged from the outside to the inside in the first cavity e, and a second heat insulation layer m and a thermal insulation strip n are arranged from the outside to the inside in the second cavity f and the third cavity g.

[0004] In the process of actual use, it is found that there are areas for improvement in the thermal insulation plastic-steel profiles similar to the above-mentioned technical solutions in the prior art: when installing the first thermal insulation layer and polyurethane rigid foam in the first cavity, and when installing the second thermal insulation layer and insulation strips in the second cavity and the third cavity, because the plastic-steel profiles are generally long, it is very troublesome and inconvenient to insert the above-mentioned insulation materials (first thermal insulation layer, polyurethane rigid foam, second thermal insulation layer and insulation strips) that need to be tightly attached to the cavity into each cavity. Utility Model Content

[0005] In view of the shortcomings and defects in the prior art, the purpose of the utility model is to provide a thermal insulation plastic-steel profile, which solves the problem that the thermal insulation plastic-steel profile in the prior art is very troublesome and inconvenient when inserting the above-mentioned insulation materials (first insulation layer, polyurethane rigid foam, second insulation layer and insulation strips) that need to be tightly attached to the cavity into each cavity.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions: a heat-insulating plastic-steel profile, comprising a plastic-steel body, two slide grooves are provided on the upper side of the plastic-steel body, a combination groove is provided on the lower side of the plastic-steel body, an aluminum-plastic plate is provided near the inner surface of the plastic-steel body, a first cavity, a second cavity and a third cavity are provided inside the plastic-steel body, a first heat-insulating layer and a polyurethane rigid foam are provided in the first cavity, a second heat-insulating layer and a thermal insulation strip are provided in the second cavity and the third cavity, the first heat-insulating layer and the polyurethane rigid foam are connected by a first air bag, the second heat-insulating layer and the thermal insulation strip are connected by a second air bag, a first reinforcing rib plate is provided in the polyurethane rigid foam, and a second reinforcing rib plate is provided in the thermal insulation strip.

[0007] As a further improvement of the present invention, one end of the first airbag and the second airbag is provided with an inflation port.

[0008] As a further improvement of the present invention, the first reinforcing rib plate and the second reinforcing rib plate are made of stainless steel.

[0009] As a further improvement of the utility model, a sound-proof cavity is provided on the plastic-steel body, and sound-proof cotton is provided in the sound-proof cavity.

[0010] As a further improvement of the utility model, the aluminum-plastic plate is provided with a protruding block, and the plastic steel body is provided with an embedding groove corresponding to the protruding block.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] 1. The first heat insulation layer and the polyurethane rigid foam are connected by the first airbag, and the second heat insulation layer and the thermal insulation strip are connected by the second airbag. Before installation, the first airbag and the second airbag are first deflated, so that the first heat insulation layer and the second heat insulation layer can be compressed inward. At this time, the first heat insulation layer is smaller than the first cavity, and the second heat insulation layer is smaller than the second cavity, so that it is convenient to insert the first heat insulation layer, the first airbag and the polyurethane rigid foam into the first cavity, and to insert the second heat insulation layer, the second airbag and the thermal insulation strip into the second cavity. Then, the first airbag and the second airbag are inflated, so that the first heat insulation layer is attached to the inner wall of the first cavity, and the second heat insulation layer is attached to the inner wall of the second cavity;

[0013] In addition, by providing a first reinforcing rib plate in the polyurethane rigid foam and a second reinforcing rib plate in the insulation strip, the strength and hardness of the polyurethane rigid foam and the insulation strip are improved, further facilitating the insertion of the polyurethane rigid foam into the first cavity and the insulation strip into the second cavity.

[0014] 2. An inflation port is provided at one end of the first airbag and the second airbag so that the first airbag and the second airbag can be inflated and deflated.

[0015] 3. A silent cavity is provided on the plastic steel body, and silent cotton is provided in the silent cavity, so that the plastic steel body can be silenced.

[0016] 4. By providing a protruding block on the aluminum-plastic plate and providing an embedding groove corresponding to the protruding block on the plastic-steel body, the connection strength between the aluminum-plastic plate and the plastic-steel body is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings:

[0018] Figure 1 It is a structural schematic diagram of the prior art;

[0019] Figure 2 It is a structural schematic diagram of the utility model;

[0020] In the figure: 1. plastic steel body; 2. slide groove; 3. combined groove; 4. aluminum-plastic plate; 5. first cavity; 6. second cavity; 7. third cavity; 8. first thermal insulation layer; 9. polyurethane rigid foam; 10. second thermal insulation layer; 11. insulation strip; 12. first air bag; 13. second air bag; 14. first reinforcing rib plate; 15. second reinforcing rib plate; 16. silent cavity; 17. silent cotton; 18. protruding block; 19. embedded groove. DETAILED DESCRIPTION

[0021] The following is combined with Figure 2 The utility model is further described in detail. For a clearer illustration, only the structure related to the utility model is shown in the figure.

[0022] For the convenience of description, the coordinate system is defined as Figure 2 As shown, the left-right direction is the horizontal direction, the front-back direction is the longitudinal direction, and the up-down direction is the vertical direction.

[0023] The utility model embodiment discloses a heat-insulating plastic steel profile. Figure 2 A heat-insulating plastic-steel profile comprises a plastic-steel body 1, two slide grooves 2 are arranged on the upper side of the plastic-steel body 1, a combined groove 3 is arranged on the lower side of the plastic-steel body 1, an aluminum-plastic plate 4 is arranged near the inner surface of the plastic-steel body 1, a protruding block 18 is arranged on the aluminum-plastic plate 4, and an embedded groove 19 corresponding to the protruding block 18 is arranged on the plastic-steel body 1, thereby improving the connection strength between the aluminum-plastic plate 4 and the plastic-steel body 1.

[0024] In addition, if Figure 2 As shown, the plastic steel body 1 is provided with a first cavity 5, a second cavity 6 and a third cavity 7, the first cavity 5 is provided with a first insulation layer 8 and a polyurethane rigid foam 9, the second cavity 6 and the third cavity 7 are provided with a second insulation layer 10 and a thermal insulation strip 11, and the arrangement here is the same as that in the prior art. In the present application, on the basis of the above, the first insulation layer 8 and the polyurethane rigid foam 9 are connected by a first airbag 12, the second insulation layer 10 and the thermal insulation strip 11 are connected by a second airbag 13, and one end of the first airbag 12 and the second airbag 13 is provided with an inflation port so as to inflate and deflate the first airbag 12 and the second airbag 13.

[0025] In addition, a first reinforcing rib plate 14 is provided in the polyurethane rigid foam 9, and a second reinforcing rib plate 15 is provided in the thermal insulation strip 11. The first reinforcing rib plate 14 and the second reinforcing rib plate 15 are made of stainless steel.

[0026] In addition, a silent cavity 16 is provided on the plastic-steel body 1 , and silent cotton 17 is provided in the silent cavity 16 to facilitate the silence of the plastic-steel body 1 .

[0027] The utility model connects the first heat insulation layer 8 and the polyurethane rigid foam 9 through the first airbag 12, and connects the second heat insulation layer 10 and the thermal insulation strip 11 through the second airbag 13. Before installation, the first airbag 12 and the second airbag 13 are first deflated, and the first heat insulation layer 8 and the second heat insulation layer 10 can be compressed inwardly. At this time, the first heat insulation layer 8 is smaller than the first cavity 5, and the second heat insulation layer 10 is smaller than the second cavity 6, so that it is convenient to insert the first heat insulation layer 8, the first airbag 12 and the polyurethane rigid foam 9 into the first cavity 5, and to insert the second heat insulation layer 10, the second airbag 13 and the thermal insulation strip 11 into the second cavity 6. Then, the first airbag 12 and the second airbag 13 are inflated, so that the first heat insulation layer 8 is attached to the inner wall of the first cavity 5, and the second heat insulation layer 10 is attached to the inner wall of the second cavity 6.

[0028] In addition, by providing a first reinforcing rib plate 14 in the polyurethane rigid foam 9 and a second reinforcing rib plate 15 in the thermal insulation strip 11, the strength and hardness of the polyurethane rigid foam 9 and the thermal insulation strip 11 are improved, which further facilitates the insertion of the polyurethane rigid foam 9 into the first cavity 5 and the insertion of the thermal insulation strip 11 into the second cavity 6.

[0029] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. It should be understood that the specific implementation methods described herein are only used to understand the present utility model, and are not used to limit the present utility model. All other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present utility model.

Claims

1. A heat-insulating plastic-steel profile, comprising a plastic-steel body, wherein two slide grooves are provided on the upper side of the plastic-steel body, a combination groove is provided on the lower side of the plastic-steel body, an aluminum-plastic plate is provided near the inner surface of the plastic-steel body, a first cavity, a second cavity and a third cavity are provided inside the plastic-steel body, a first heat-insulating layer and a polyurethane rigid foam are provided in the first cavity, and a second heat-insulating layer and a heat-insulating strip are provided in the second cavity and the third cavity, characterized in that: The first heat insulating layer and the polyurethane rigid foam are connected via a first airbag, the second heat insulating layer and the thermal insulation strip are connected via a second airbag, a first reinforcing rib plate is provided in the polyurethane rigid foam, and a second reinforcing rib plate is provided in the thermal insulation strip.

2. The heat-insulating plastic-steel profile according to claim 1, characterized in that: An inflation port is provided at one end of the first airbag and the second airbag.

3. The heat-insulating plastic-steel profile according to claim 1, characterized in that: The first reinforcing rib plate and the second reinforcing rib plate are made of stainless steel.

4. The heat-insulating plastic-steel profile according to claim 1, characterized in that: A sound-proof cavity is arranged on the plastic steel body, and sound-proof cotton is arranged in the sound-proof cavity.

5. A heat-insulating plastic-steel profile according to any one of claims 1 to 4, characterized in that: The aluminum-plastic plate is provided with a protruding block, and the plastic-steel body is provided with an embedding groove corresponding to the protruding block.

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