Cavity heat insulation strip with embedded aluminum strip

Abstract

The utility model relates to the technical field of heat insulation strips, in particular to a cavity heat insulation strip with an embedded aluminum strip. The cross section of the cavity heat insulation strip body is provided with at least one cavity; the clamping parts are used for being clamped with a composite notch of a profile and are arranged at the two ends of the cross section of the cavity heat insulation strip body in the length direction respectively, a groove is formed in the position, meshed with the composite notch, of each clamping part, an aluminum strip is embedded and fixed in each groove, and part of the outer surface of each aluminum strip is exposed out of the corresponding groove; the whole circumferential surface of the aluminum strip is of a tooth-shaped structure, or the non-contact surface of the aluminum strip and the groove is of a tooth-shaped structure; the groove bottom face of the groove is in a protruding arc shape after being transversely cut, and the outer surface, exposed out of the groove, of the aluminum strip is in a protruding arc shape after being transversely cut. Compared with a hobbing disc in the prior art, the tooth punching of the aluminum strip is more uniform on the inner wall of the conical head of the composite notch of the profile, and the meshing strength of the profile and the cavity heat insulation strip is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat insulation strips, in particular to a cavity heat insulation strip with an embedded aluminum strip. Background Art

[0002] The thermal insulation strip is the core component of the thermal insulation profile. It is the "broken bridge" on the heat transfer path of the thermal insulation aluminum profile, reducing the heat transfer in the aluminum profile. It is also a structural connector for the aluminum profiles on both sides of the thermal insulation profile. Through its connection, the three parts of the thermal insulation profile become a whole and bear the load together. Unlike the rubber strip, it is made of a new composite material by mechanical rolling.

[0003] like Figure 1 As shown, in the prior art, the composite process of the aluminum profile 30 and the heat insulation strip 31 requires firstly to form a hammer head 33 ( Figure 1 The inner wall of the portion encircled by the middle circle is toothed with a gear hobbing disk, and then the insulation strip 31 is inserted into the composite notch 32, and the hammer head 33 of the composite notch 32 is bent toward the insulation strip 31 and engaged with the insulation strip 31 by equipment, so that the indoor profile and the outdoor profile are connected together through the insulation strip 31. The composite process steps of the aluminum profile 30 and the insulation strip 31 are complicated, time-consuming and labor-intensive. Utility Model Content

[0004] The utility model aims to provide a cavity heat-insulating strip with an embedded aluminum strip, so as to solve the problem that the composite process steps of aluminum profiles and heat-insulating strips in the prior art are complicated, time-consuming and labor-intensive.

[0005] The technical solution of the utility model is: a cavity heat insulation strip with an embedded aluminum strip, comprising: a cavity heat insulation strip body, wherein the cross section of the cavity heat insulation strip body is provided with at least one cavity;

[0006] The clamping parts are used to clamp with the composite notch of the profile, and are respectively arranged at both ends of the length of the cross section of the cavity insulation strip body. Each of the clamping parts has a groove at the position where it engages with the composite notch, which is used to embed and fix the aluminum strip, and part of the outer surface of the aluminum strip is exposed in the groove;

[0007] The circumferential surface of the aluminum strip is in a tooth-shaped structure as a whole, or the surface of the aluminum strip that is not in contact with the groove is in a tooth-shaped structure;

[0008] The bottom surface of the groove is in a convex arc shape after being cross-sectioned, and the outer surface of the aluminum strip exposed in the groove is in a convex arc shape after being cross-sectioned.

[0009] Preferably, at least one of the cavities is arranged in a straight line along the length direction of the cross section of the cavity heat insulation strip body.

[0010] Preferably, the cross-section of the cavity insulation strip body is provided with a cavity, which is the first cavity; the cross-section of the first cavity is rectangular, and the outer end surface of the cavity insulation strip body forming the first cavity is provided with a first inclined surface which abuts against the free end of the sealing strip installed on the profile.

[0011] Preferably, the cross-section of the cavity insulation strip body is provided with three cavities, namely the second cavity, the third cavity and the fourth cavity; the outer end surface of the cavity insulation strip body forming the three cavities is provided with a second inclined surface which abuts against the free end of the sealing strip installed on the profile.

[0012] Preferably, the cavity heat insulation strip body forming the three cavities is concavely provided with a notch, so as to avoid the sealing strip installed on the profile.

[0013] Preferably, each of the clamping portions is in the shape of a right triangle.

[0014] Preferably, the toothed direction of the toothed structure on the aluminum strip is parallel to its width direction.

[0015] Compared with the prior art, the advantages of the utility model are:

[0016] The utility model discloses a cavity heat insulation strip with an embedded aluminum strip, comprising a cavity heat insulation strip body and a clamping part, each clamping part is provided with a groove for embedding and fixing the aluminum strip, and a part of the outer surface of the aluminum strip is exposed in the groove; the circumferential surface of the aluminum strip is a toothed structure as a whole, or the surface of the aluminum strip that is not in contact with the groove is a toothed structure; the groove bottom surface of the groove is a convex arc shape after cross-section, and the outer surface of the aluminum strip exposed in the groove is a convex arc shape after cross-section; in this embodiment, the groove bottom surface of the groove is provided with an arc, which can increase the connection area between the aluminum strip and the groove, so that the connection between the aluminum strip and the groove is more secure; in this embodiment, the outer surface of the aluminum strip exposed in the groove is provided with an arc, which can increase the bite area of ​​the hammer head of the composite notch of the aluminum strip and the profile, so that the bite of the aluminum strip and the profile is more secure. In the utility model, the teeth of the aluminum strip are more uniform than the teeth of the cone head of the composite notch of the profile in the prior art, which increases the bite strength between the profile and the cavity heat insulation strip. The cavity heat insulation strips with embedded aluminum strips in the utility model can effectively insulate heat, and the air in the multiple cavities can effectively prevent the transfer of heat.

[0017] When the cavity heat insulation strip with embedded aluminum strip in the utility model is used, it is only necessary to insert the cavity heat insulation strip into the composite notch of the profile, and then use the equipment to bend the hammer head of the composite notch toward the side of the cavity heat insulation strip to bite into the toothed aluminum strip of the clamping part, thereby eliminating the step of cutting teeth on the profile, and the operation is simpler and more efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0019] Figure 1 It is a schematic diagram of the installation structure of profiles and thermal insulation strips in the prior art;

[0020] Figure 2 This is a schematic structural diagram of a cavity heat insulation strip with an embedded aluminum strip as described in Example 1;

[0021] Figure 3 This is a schematic structural diagram of a cavity heat insulation strip with an embedded aluminum strip as described in Example 2;

[0022] Figure 4 This is a schematic diagram of the device structure of a cavity insulation strip and profile with an embedded aluminum strip as described in Example 1.

[0023] Wherein: 1. cavity insulation strip body, 2. clamping part, 3. aluminum strip, 4. first cavity, 5. first inclined surface, 6. second cavity, 7. third cavity, 8. fourth cavity, 9. second inclined surface, 10. notch, 11. profile, 12. hammer head. DETAILED DESCRIPTION

[0024] The following is a further detailed description of the present invention in conjunction with specific embodiments:

[0025] In the description of the utility model, it is necessary to understand that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0026] Embodiment 1

[0027] like Figure 2As shown, a cavity insulation strip with an embedded aluminum strip 3 comprises: a cavity insulation strip body 1, the cross section of the cavity insulation strip body 1 is provided with at least one cavity, the cavity insulation strip with the embedded aluminum strip 3 can effectively insulate, and the air in the multiple cavities can effectively prevent the transfer of heat; a clamping part 2, used for clamping with the composite notch of the profile, respectively arranged at both ends of the length of the cross section of the cavity insulation strip body 1, each clamping part 2 is provided with a groove at the bite position with the composite notch, for embedding and fixing the aluminum strip 3, and part of the outer surface of the aluminum strip 3 is exposed in the groove; the circumferential surface of the aluminum strip 3 is a tooth-shaped structure as a whole, or the surface of the aluminum strip 3 that is not in contact with the groove is a tooth-shaped structure; the bottom surface of the groove is a convex arc shape A after cross-section, and the outer surface of the aluminum strip 3 exposed in the groove is a convex arc shape B after cross-section. In this embodiment, the bottom surface of the groove is provided with an arc, which can increase the connection area between the aluminum bar 3 and the groove, so that the connection between the aluminum bar 3 and the groove is more firmly; in this embodiment, the outer surface of the aluminum bar 3 exposed in the groove is provided with an arc, which can increase the bite area of ​​the hammer head of the composite notch of the aluminum bar 3 and the profile, so that the bite of the aluminum bar 3 and the profile is more firmly.

[0028] At least one cavity is arranged in a straight line along the length direction of the cross section of the cavity insulation strip body 1. The cross section of the cavity insulation strip body 1 is provided with a cavity, which is the first cavity 4; the cross section of the first cavity 4 is rectangular, and the outer end surface of the cavity insulation strip body 1 forming the first cavity 4 is provided with a first inclined surface 5 which abuts against the free end of the sealing strip installed on the profile. Each clamping portion 2 is a right triangle. The tooth direction of the toothed structure on the aluminum strip 3 is parallel to its width direction, and the tooth direction of the toothed structure on the aluminum strip 3 is parallel to the width direction of the aluminum strip 3, that is, the length direction of the tooth groove on the aluminum strip 3 is parallel to the width direction of the aluminum strip 3.

[0029] When the thermal insulation strip with embedded aluminum strip 3 in the present embodiment is used, it is only necessary to insert the thermal insulation strip into the composite notch of the profile, and then use the equipment to bend the hammer head of the composite notch toward the side of the thermal insulation strip so as to bite into the toothed aluminum strip 3 of the clamping part 2, thereby eliminating the step of cutting teeth on the profile, and the operation is simpler and more efficient.

[0030] Embodiment 2

[0031] like Figure 3 As shown, the difference between the second embodiment and the embodiment is that the cross section of the cavity insulation strip body 1 is provided with three cavities, namely the second cavity 6, the third cavity 7, and the fourth cavity 8, and the three cavities are provided to match the width of the cavity insulation strip; the outer end surface of the cavity insulation strip body 1 forming the three cavities is provided with a second inclined surface 9 which abuts against the free end of the sealing strip installed on the profile. The cavity insulation strip body 1 forming the three cavities is concavely provided with a notch 10, which is used to avoid the sealing strip installed on the profile when the window sash is closed. Figure 4It is a schematic diagram of the assembly structure of the cavity insulation strip with embedded aluminum strip 3 and the profile 11 in the second embodiment of the present invention. The hammer head 12 of the composite notch of the profile 11 is bent toward the insulation strip side and bites into the toothed aluminum strip 3 of the clamping part 2.

[0032] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with this technology to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, so it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model.

Claims

1. A cavity insulation strip with an embedded aluminum strip, characterized in that: include: A cavity heat insulation strip body, wherein the cross section of the cavity heat insulation strip body is provided with at least one cavity; The clamping parts are used to clamp with the composite notch of the profile, and are respectively arranged at both ends of the length of the cross section of the cavity insulation strip body. Each of the clamping parts has a groove at the position where it engages with the composite notch, which is used to embed and fix the aluminum strip, and part of the outer surface of the aluminum strip is exposed in the groove; The circumferential surface of the aluminum strip is in a tooth-shaped structure as a whole, or the surface of the aluminum strip that is not in contact with the groove is in a tooth-shaped structure; The bottom surface of the groove is in a convex arc shape after being cross-sectioned, and the outer surface of the aluminum strip exposed in the groove is in a convex arc shape after being cross-sectioned.

2. The cavity heat insulation strip with embedded aluminum strip according to claim 1, characterized in that: At least one of the cavities is arranged in a straight line along the length direction of the cross section of the cavity heat insulation strip body.

3. The cavity heat insulation strip with embedded aluminum strip according to claim 2, characterized in that: The cross section of the cavity insulation strip body is provided with a cavity, which is the first cavity; the cross section of the first cavity is rectangular, and the outer end surface of the cavity insulation strip body forming the first cavity is provided with a first inclined surface which abuts against the free end of the sealing strip installed on the profile.

4. The cavity heat insulation strip with embedded aluminum strip according to claim 2, characterized in that: The cross section of the cavity insulation strip body is provided with three cavities, namely the second cavity, the third cavity and the fourth cavity in sequence; the outer end surface of the cavity insulation strip body forming the three cavities is provided with a second inclined surface which abuts against the free end of the sealing strip installed on the profile.

5. The cavity heat insulation strip with embedded aluminum strip according to claim 4, characterized in that: The cavity heat insulation strip body forming the three cavities is concavely provided with a notch, so as to avoid the sealing strip installed on the profile.

6. The cavity heat insulation strip with embedded aluminum strip according to claim 1, characterized in that: Each of the clamping portions is in the shape of a right triangle.

7. The cavity heat insulation strip with embedded aluminum strip according to claim 1, characterized in that: The toothed direction of the toothed structure on the aluminum strip is parallel to the width direction thereof.

Images