Heat insulation prefabricated anchor bolt with ultra-low energy consumption

Abstract

The utility model relates to an ultra-low energy consumption heat insulation prefabricated anchor bolt which comprises a building outer wall and an anchor bolt body, and the anchor bolt body comprises an embedded fixing part, an anchor bolt rod part and an anchor bolt head part. The pre-embedded fixing part comprises a polymer mortar layer, a vacuum heat insulation plate, a polyester foaming layer, a lightweight concrete layer, an anchor bolt rod part and an anchor bolt head part; the polymer mortar layer, the vacuum insulation plate, the polyester foaming layer and the lightweight concrete layer are fixedly connected in sequence; the pre-embedded fixing part is used for being pre-embedded into a building outer wall concrete structure wall body; one end of the anchor bolt rod part goes deep into the lightweight concrete layer and the polyester foaming layer of the pre-embedded fixing part, the other end of the anchor bolt rod part goes deep into the building outer wall heat preservation layer, the anchor bolt rod part is wrapped with the nylon protection sleeve, and the anchor bolt head part makes contact with the vacuum heat insulation plate. The anchor bolt solves the problems that an iron anchor bolt is high in heat conductivity, so that cold leakage of a building is easily caused, and polyurethane deformation and bolt displacement are caused by local load concentration of the anchor bolt.

Description

Technical Field

[0001] The utility model relates to the technical field of bolt anchors, in particular to an ultra-low energy consumption thermal insulation anchor bolt. Background Art

[0002] It is inevitable that some facilities or pipes need to be fixed on the exterior walls of buildings, such as photovoltaic panels, solar hot water photovoltaic panels, downpipes, etc. Iron anchor bolts are often used in these parts, and iron anchor bolts have strong thermal conductivity, which can easily cause building cooling leakage; in addition, anchor bolts have load-bearing requirements, and polyurethane deformed bolts are prone to displacement due to local load concentration, which poses a safety risk. Based on this, this application proposes an ultra-low energy consumption thermal insulation anchor bolt. Utility Model Content

[0003] The utility model aims to solve the problem that the strong thermal conductivity of iron anchor bolts easily leads to cold leakage in buildings and the displacement of polyurethane deformed bolts due to local load concentration of anchor bolts, and provides an ultra-low energy consumption insulation anchor bolt. The specific technical scheme is as follows:

[0004] An ultra-low energy consumption heat-insulating prefabricated anchor bolt, comprising a building exterior wall and an anchor bolt body, wherein the anchor bolt body comprises a pre-embedded fixing portion, an anchor bolt rod portion, and an anchor bolt head;

[0005] The embedded fixing part includes a polymer mortar layer, a vacuum insulation panel, a polyester foam layer, a lightweight concrete layer, an anchor rod, and an anchor head; the polymer mortar layer, the vacuum insulation panel, the polyester foam layer, and the lightweight concrete layer are fixedly connected in sequence; the embedded fixing part is used to be embedded in the concrete structure wall of the building exterior wall;

[0006] One end of the anchor rod penetrates into the lightweight concrete layer and polyester foam layer of the embedded fixing part, and the other end penetrates into the building exterior wall insulation layer. The anchor rod is wrapped with a nylon protective sleeve, and the anchor head contacts the vacuum insulation panel.

[0007] Based on the above technical solution, one or more layers of alkali-resistant mesh cloth are tightly wrapped around the periphery of the embedded fixing portion.

[0008] Furthermore, an anti-cracking mortar layer is added around the periphery of the embedded fixing part on the basis of the alkali-resistant mesh cloth as a protective layer for transportation, handling and storage.

[0009] Furthermore, the anti-cracking mortar layer is 3-5 mm thick.

[0010] Based on the above technical solution, the cross-section of the embedded fixing portion is circular.

[0011] Based on the above technical solution, the cross-section of the embedded fixing portion is rectangular.

[0012] On the basis of the above technical solution, a circle of grooves is provided at the end of the lightweight concrete layer of the embedded fixing part for fixing the steel bars to ensure the strength and bearing capacity of the wall.

[0013] On the basis of the above technical solution, a circle of reserved filling layer is arranged at the center of the lightweight concrete layer of the embedded fixing part and the periphery of the anchor rod part, which is used for filling the later building exterior wall insulation layer.

[0014] Based on the above technical solution, the anchor bolt rod portion is configured as a threaded rod.

[0015] The utility model has the following advantages:

[0016] The utility model adopts an ultra-low energy consumption thermal insulation prefabricated anchor bolt with a composite structure, which solves the problem that the strong thermal conductivity of iron anchor bolts easily leads to cold leakage in buildings and the problem that the polyurethane deformed bolts are displaced due to local load concentration of the anchor bolts.

[0017] Among them, a lightweight concrete layer is set at the end of the concrete structure wall of the building's exterior wall as a load support to prevent local load concentration from causing the polyurethane deformed bolts to shift; the vacuum insulation panel is set to ensure the thermal conductivity, while also ensuring the depth of the anchor bolts into the wall, so that they will not be over-penetrated; the polymer mortar layer ensures the integrity and continuity of the internal wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only one embodiment of the utility model. For ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0019] Figure 1 : A schematic diagram of the cross-sectional structure of the prefabricated anchor bolt of the utility model in a building wall;

[0020] Figure 2 : A schematic diagram of the cross-sectional structure of the prefabricated anchor bolt of the utility model;

[0021] Figure 3 : Schematic diagram of the cross section of the embedded fixing part of the utility model.

[0022] Description of Figure Numbers:

[0023] 1-building exterior wall, 2-anchor body, 11-building exterior wall concrete structure wall, 12-building exterior wall insulation layer, 21-embedded fixing part, 22-anchor rod part, 23-anchor head, 211-polymer mortar layer, 212-vacuum insulation board, 213-polyester foam layer, 214-lightweight concrete layer, 215-groove, 216-reserved filling layer. DETAILED DESCRIPTION

[0024] The utility model is further described below with reference to the accompanying drawings and examples:

[0025] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0026] In the description of the present invention, 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 directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention 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 present invention.

[0028] like Figures 1 to 3 As shown, this embodiment provides an ultra-low energy consumption thermal insulation prefabricated anchor bolt, comprising a building exterior wall 1 and an anchor bolt body 2, wherein the building exterior wall 1 comprises a concrete structure wall 11 and a thermal insulation layer 12;

[0029] The anchor body 2 includes a pre-embedded fixing portion 21, an anchor rod portion 22, and an anchor head 23;

[0030] The embedded fixing part 21 includes a polymer mortar layer 211, a vacuum insulation panel 212, a polyester foam layer 213, and a lightweight concrete layer 214; the polymer mortar layer 211, the vacuum insulation panel 212, the polyester foam layer 213, and the lightweight concrete layer 214 are fixedly connected in sequence; the embedded fixing part 21 is used to be embedded in the concrete structure wall 11 of the building exterior wall 1;

[0031] One end of the anchor rod 22 penetrates into the lightweight concrete layer 214 and the polyester foam layer 213 of the pre-embedded fixing part, and the other end penetrates into the building exterior wall insulation layer 12. The anchor rod 22 is wrapped with a nylon protective sleeve, and the anchor head 23 is in contact with the vacuum insulation panel 212.

[0032] Preferably, one or more layers of alkali-resistant mesh cloth are tightly wrapped around the periphery of the embedded fixing portion 21 .

[0033] Optionally, a crack-resistant mortar layer is added around the embedded fixing portion 21 on the basis of the alkali-resistant mesh cloth as a protective layer for transportation, handling and storage.

[0034] Furthermore, the anti-cracking mortar layer is 3-5 mm thick.

[0035] Preferably, the cross section of the embedded fixing portion 21 is circular.

[0036] Optionally, the cross section of the embedded fixing portion 21 is rectangular. This solution is suitable for masonry wall structures, and the embedded fixing portion processed into a rectangle is more suitable for the structure of the masonry wall and is more convenient to use.

[0037] On the basis of the above technical solution, a circle of grooves 215 is provided at the end of the lightweight concrete layer 214 of the embedded fixing part 21 for fixing steel bars to ensure the strength and bearing capacity of the wall.

[0038] Based on the above technical solution, a reserved filling layer 216 is arranged at the center of the lightweight concrete layer 214 of the embedded fixing part 21 and the periphery of the anchor rod part 22 for filling the later building exterior wall insulation layer.

[0039] Based on the above technical solution, the anchor rod portion 22 is configured as a threaded rod.

[0040] Furthermore, to prevent the vibrating rod from breaking the sleeve during construction, the technicians should insert a red flag or other obvious mark on the steel bar above the part before construction. The reference point of the measurement point can be fixed on the ground before construction, so that each measurement is fast and the pre-embedded will be very accurate.

[0041] The present invention is described above by way of examples, but the present invention is not limited to the above specific embodiments, and any changes or modifications based on the present invention belong to the scope of protection required by the present invention.

Claims

1. An ultra-low energy consumption thermal insulation prefabricated anchor bolt, comprising a building exterior wall (1) and an anchor bolt body (2), characterized in that: The building exterior wall (1) comprises a concrete structural wall (11) and a thermal insulation layer (12); The anchor body (2) comprises a pre-buried fixing portion (21), an anchor rod portion (22), and an anchor head portion (23); The pre-embedded fixing part (21) comprises a polymer mortar layer (211), a vacuum insulation panel (212), a polyester foam layer (213), and a lightweight concrete layer (214); the polymer mortar layer (211), the vacuum insulation panel (212), the polyester foam layer (213), and the lightweight concrete layer (214) are fixedly connected in sequence; the pre-embedded fixing part (21) is used to be pre-embedded in a concrete structural wall (11) of a building exterior wall (1); One end of the anchor rod (22) penetrates into the lightweight concrete layer (214) and the polyester foam layer (213) of the pre-embedded fixing part, and the other end penetrates into the building exterior wall insulation layer (12); the anchor rod (22) is wrapped with a nylon protective sleeve, and the anchor head (23) is in contact with the vacuum insulation panel (212).

2. The ultra-low energy consumption thermal insulation prefabricated anchor bolt according to claim 1, characterized in that: One or more layers of alkali-resistant mesh cloth are tightly wrapped around the periphery of the embedded fixing portion (21).

3. The ultra-low energy consumption thermal insulation prefabricated anchor bolt according to claim 2, characterized in that: An anti-cracking mortar layer is added on the basis of the alkali-resistant mesh cloth around the periphery of the embedded fixing portion (21) to serve as a protective layer for transportation, handling and storage.

4. The ultra-low energy consumption thermal insulation prefabricated anchor bolt according to claim 3, characterized in that: The anti-cracking mortar layer is 3-5 mm thick.

5. The ultra-low energy consumption thermal insulation prefabricated anchor bolt according to claim 1, characterized in that: The cross section of the embedded fixing portion (21) is circular.

6. The ultra-low energy consumption thermal insulation prefabricated anchor bolt according to claim 1, characterized in that: The cross section of the embedded fixing portion (21) is rectangular.

7. The ultra-low energy consumption thermal insulation prefabricated anchor bolt according to claim 1, characterized in that: A circle of grooves (215) is provided at the end of the lightweight concrete layer (214) of the embedded fixing portion (21) for fixing steel bars to ensure the strength and bearing capacity of the wall.

8. The ultra-low energy consumption thermal insulation prefabricated anchor bolt according to claim 1, characterized in that: A circle of reserved filling layer (216) is arranged at the center of the lightweight concrete layer (214) of the embedded fixing part (21) and around the anchor rod part (22) for filling the thermal insulation layer of the building exterior wall in the later stage.

9. The ultra-low energy consumption thermal insulation prefabricated anchor bolt according to claim 1, characterized in that: The anchor rod portion (22) is configured as a threaded rod.

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