Aluminum-plastic profile for doors and windows

Abstract

The utility model discloses a door and window aluminum plastic section bar which comprises an inner side section bar and an outer side section bar, the inner side section bar and the outer side section bar are connected through a first heat insulation cold bridge and a second heat insulation cold bridge, and a cavity is formed between the first heat insulation cold bridge and the second heat insulation cold bridge. The first heat insulation cold bridge and the second heat insulation cold bridge are arranged in the cavity, the middle of the first heat insulation cold bridge and the middle of the second heat insulation cold bridge divide the cavity into an inner cavity and an outer cavity through heat insulation strips, the outer cavity is filled with sound absorption cotton, a plurality of drying and dehumidifying strips are arranged on the inner sides of the heat insulation strips, cavities are formed in the heat insulation strips, the sound absorption cotton is arranged in the cavities, and reinforcing ribs are arranged in the cavities. The sound-absorbing cotton is arranged in the outer cavity, the cavities are formed in the heat insulation strips, and the sound-absorbing cotton is arranged in the cavities, so that the sound-absorbing and noise-reducing effects of the door and window are improved, and in addition, the reinforcing ribs are arranged in the cavities, so that the reinforcing effect is achieved; in addition, a plurality of drying and dehumidifying strips are arranged on the inner side of the heat insulation strip, so that condensate water formed on the inner side of the heat insulation strip can be adsorbed.

Description

Technical Field

[0001] The utility model belongs to the technical field of profiles, in particular to an aluminum-plastic profile for doors and windows. Background Art

[0002] Among doors and windows, aluminum-plastic profiles are the main materials for window frames or door frames. For aluminum-plastic profiles for doors and windows, in the prior art, after searching, the utility model patent with Chinese patent publication number CN203515184U discloses an aluminum-plastic composite door and window profile, such as Figure 1 As shown, it mainly includes an inner profile a and an outer profile b, the inner profile a and the outer profile b are connected by a first thermal insulation cold bridge c and a second thermal insulation cold bridge d, a cavity is formed between the first thermal insulation cold bridge c and the second thermal insulation cold bridge d, and an insulation strip f is fixedly connected in the middle of the first thermal insulation cold bridge c and the second thermal insulation cold bridge d, and the insulation strip f separates the cavity into an inner cavity m and an outer cavity n.

[0003] An aluminum-plastic profile for doors and windows similar to the above technical solution in the prior art solves the problem that an aluminum-plastic profile for doors and windows in the prior art has room for improvement during actual implementation: no noise elimination material is provided, and the sound insulation effect needs to be improved. Utility Model Content

[0004] In view of the deficiencies and defects in the prior art, the purpose of the utility model is to provide an aluminum-plastic profile for doors and windows, which solves the problem that the aluminum-plastic profile for doors and windows in the prior art has no noise elimination material and the sound insulation effect needs to be improved.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme: an aluminum-plastic profile for doors and windows, comprising an inner profile and an outer profile, the inner profile and the outer profile are connected by a first thermal insulation cold bridge and a second thermal insulation cold bridge, a cavity is formed between the first thermal insulation cold bridge and the second thermal insulation cold bridge, and the cavity is separated into an inner cavity and an outer cavity by an insulation strip in the middle of the first thermal insulation cold bridge and the second thermal insulation cold bridge, the outer cavity is filled with sound-absorbing cotton, a plurality of drying and dehumidification strips are arranged on the inner side of the insulation strip, a cavity is arranged inside the insulation strip, sound-absorbing cotton is arranged in the cavity, and reinforcing ribs are arranged inside the cavity.

[0006] As a further improvement of the utility model, connecting strips are provided between the inner profile and the outer profile on the outside of the first thermal insulation cold bridge and the second thermal insulation cold bridge, and each of the connecting strips includes fixed strips at both ends and an elastic strip between the two fixed strips.

[0007] As a further improvement of the utility model, the elastic strip is made of rubber material.

[0008] As a further improvement of the present invention, a plurality of hollow cavities are provided inside the first heat-insulating cold bridge and the second heat-insulating cold bridge, and sound-absorbing cotton is provided in the hollow cavities.

[0009] Compared with the prior art, the utility model has the following advantages:

[0010] 1. Sound-absorbing cotton is arranged in the outer cavity, a cavity is arranged inside the heat-insulating strip, and sound-absorbing cotton is arranged in the cavity, so as to improve the sound absorption and noise reduction effect of the doors and windows. In addition, reinforcing ribs are arranged in the cavity to play a reinforcing role; in addition, a plurality of drying and dehumidifying strips are arranged on the inner side of the heat-insulating strip, which can absorb the condensed water formed on the inner side of the heat-insulating strip.

[0011] 2. By providing connecting strips between the inner profile and the outer profile on the outside of the first insulating cold bridge and the second insulating cold bridge, the connection strength between the inner profile and the outer profile is improved. In addition, each of the connecting strips includes fixed strips at both ends and an elastic strip between the two fixed strips. The elastic effect of the elastic strip can compensate for the deformation caused by thermal expansion and contraction. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described below in conjunction with the accompanying drawings:

[0013] Figure 1 It is a structural schematic diagram of the prior art;

[0014] Figure 2 It is a structural schematic diagram of the utility model;

[0015] Figure 3 for Figure 2 A magnified view at point A;

[0016] In the figure: 1. Inner profile; 2. Outer profile; 3. First thermal insulation cold bridge; 4. Second thermal insulation cold bridge; 5. Inner cavity; 6. Outer cavity; 7. Sound-absorbing cotton; 8. Connecting strip; 801. Fixing strip; 802. Elastic strip; 10. Reinforcing rib; 11. Drying and dehumidification strip; 12. Hollow cavity. DETAILED DESCRIPTION

[0017] The following is combined with Figure 2-3 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.

[0018] 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.

[0019] The utility model discloses an aluminum-plastic profile for doors and windows. Figure 2 and Figure 3A door and window aluminum-plastic profile comprises an inner profile 1 and an outer profile 2, the inner profile 1 and the outer profile 2 are connected by a first heat-insulating cold bridge 3 and a second heat-insulating cold bridge 4, a cavity is formed between the first heat-insulating cold bridge 3 and the second heat-insulating cold bridge 4, and the cavity is separated into an inner cavity 5 and an outer cavity 6 by a heat-insulating strip in the middle of the first heat-insulating cold bridge 3 and the second heat-insulating cold bridge 4, the outer cavity 6 is filled with sound-absorbing cotton 7, a plurality of drying and dehumidifying strips 11 are arranged on the inner side of the heat-insulating strip, a cavity is arranged inside the heat-insulating strip, sound-absorbing cotton 7 is arranged in the cavity, and reinforcing ribs 10 are arranged in the cavity.

[0020] In addition, a connecting strip 8 is provided between the inner profile 1 and the outer profile 2 on the outside of the first insulating cold bridge 3 and the second insulating cold bridge 4, so as to improve the connection strength between the inner profile 1 and the outer profile 2. In addition, each of the connecting strips 8 includes a fixed strip 801 at both ends and an elastic strip 802 between the two fixed strips 801. The elastic effect of the elastic strip 802 can compensate for the deformation caused by thermal expansion and contraction. The elastic strip 802 is made of rubber material.

[0021] In addition, if Figure 3 As shown, a plurality of hollow cavities 12 are provided inside the first heat-insulating cold bridge 3 and the second heat-insulating cold bridge 4 , and sound-absorbing cotton 7 is provided inside the hollow cavities 12 .

[0022] The utility model provides a sound-absorbing cotton 7 in the outer cavity 6 and a cavity inside the thermal insulation strip, in which the sound-absorbing cotton 7 is provided, thereby improving the sound absorption and noise reduction effect of the doors and windows. In addition, a reinforcing rib 10 is provided in the cavity to strengthen the reinforcement. In addition, a plurality of drying and dehumidifying strips 11 are provided on the inner side of the thermal insulation strip, which can absorb the condensed water formed on the inner side of the thermal insulation strip.

[0023] 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 door and window aluminum-plastic profile, comprising an inner profile and an outer profile, wherein the inner profile and the outer profile are connected by a first heat-insulating cold bridge and a second heat-insulating cold bridge, a cavity is formed between the first heat-insulating cold bridge and the second heat-insulating cold bridge, and the first heat-insulating cold bridge and the second heat-insulating cold bridge are separated into an inner cavity and an outer cavity by a heat-insulating strip in the middle, characterized in that: The outer cavity is filled with sound-absorbing cotton, a plurality of drying and dehumidifying strips are arranged inside the heat-insulating strip, a cavity is arranged inside the heat-insulating strip, sound-absorbing cotton is arranged inside the cavity, and reinforcing ribs are arranged inside the cavity.

2. The aluminum-plastic profile for doors and windows according to claim 1, characterized in that: Connecting strips are provided between the inner profile and the outer profile on the outer sides of the first heat-insulating cold bridge and the second heat-insulating cold bridge, and each of the connecting strips includes fixing strips at two ends and an elastic strip between the two fixing strips.

3. The aluminum-plastic profile for doors and windows according to claim 2, characterized in that: The elastic strip is made of rubber material.

4. The aluminum-plastic profile for doors and windows according to claim 1, characterized in that: A plurality of hollow cavities are provided inside the first heat-insulating cold bridge and the second heat-insulating cold bridge, and sound-absorbing cotton is provided in the hollow cavities.

5. The aluminum-plastic profile for doors and windows according to any one of claims 1 to 4, characterized in that: The drying and dehumidifying strip is provided with water absorbing material.

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