CN219240882U - Combined building assembly type connecting piece - Google Patents

Abstract

The utility model relates to the technical field of prefabricated buildings, in particular to a combined building prefabricated connector, comprising: a connector main body and steel bars, the connector main body is composed of two sections of casing, steel bars and glass fiber cloth, the The casing is in the shape of a semi-cylindrical, with a steel bar groove in the middle, and anchor holes at both ends of the casing; the size of the steel bar matches the size of the steel bar groove; the glass fiber cloth is wrapped outside the assembled casing, and the glass fiber The inner and outer sides of the cloth are coated with epoxy resin as a reinforcing matrix; the beneficial effects are: the utility model is simple in structure, convenient in use, can effectively improve the anchoring performance and shear resistance of the connector, and can effectively prevent heat loss at the same time, meeting the current Concept of design and development of insulation wall panel connectors.

Description

A combined building assembly connector

technical field

The utility model relates to the technical field of assembled buildings, in particular to a combined building assembled connector.

Background technique

Prefabricated buildings have the advantages of safe construction, high efficiency, high quality, energy saving and environmental protection. They are representatives of modern industrial production methods and have been widely promoted and applied in China. Connectors are an important tool for the installation of prefabricated buildings, and are the core components to ensure the reliability of the beam-slab-column joints of prefabricated buildings. The concrete sandwich thermal insulation wall panel connector is an integral part of the prefabricated building connector, and has been widely used in prefabricated concrete sandwich thermal insulation wall panel projects.

At present, the materials and structures of connectors have various shapes. In terms of materials, metal and glass fiber composite reinforced materials are the most widely used. Among them, metal materials have better thermal conductivity. The heat loss reduces the thermal insulation effect; the glass fiber composite reinforced material has good tensile properties and low thermal conductivity, but its shear resistance is far inferior to that of metal materials. In terms of structural shape, there are rod-shaped, C-shaped, I-shaped, truss and other structural connectors, but the above-mentioned structures generally have weak anchorage performance, and the structures are all unidirectional shear structures. In practical engineering applications , due to the complexity of external loads such as wind, frost, rain and snow, the shear force is not only generated in a fixed direction, and there is still a lack of design for isotropic shear isotropic insulation wall panel connectors at this stage.

Utility model content

The purpose of this utility model is to provide a combined building assembly type connector to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a combined building assembly connector, including: connector body and steel bar, the connector body is composed of two sections of casing, steel bar and glass fiber cloth, the The casing is in the shape of a semi-cylindrical, with a steel bar groove in the middle, and anchor holes at both ends of the casing; the size of the steel bar matches the size of the steel bar groove; the glass fiber cloth is wrapped outside the assembled casing, and the glass fiber cloth The inner and outer sides of the fiber cloth are coated with epoxy resin as a reinforcing matrix.

Preferably, the steel bar is located in the steel bar groove, the sleeve is made of glass fiber composite reinforced material, the steel bar is made of cold-drawn high-carbon round steel, and the main part of the connector is a cylinder.

Preferably, high-strength liquid oxygen-free glue is used for bonding between the sleeve and the steel bar.

Preferably, the outside of the main body of the connector is wrapped with glass fiber cloth, the warp and weft yarns of the glass fiber cloth are orthogonal, and the inner and outer sides of the glass fiber cloth are coated with epoxy resin as a matrix.

Preferably, two anchor holes are provided at both ends of the main body of the connector, and the center of the anchor holes is 30 mm away from the end of the main body of the connector.

Preferably, anchoring longitudinal ribs are inserted into the anchoring holes, the anchoring longitudinal ribs pass through the anchoring holes, and the distances from both ends of the anchoring holes are the same.

Preferably, both ends of the anchoring longitudinal bars are vertically connected with anchoring transverse bars, and the left and right ends of the anchoring bars are also fixedly installed with anchoring longitudinal bars, and the anchoring longitudinal bars and the anchoring transverse bars are overlapped to form the anchoring structure of the connector.

Compared with the prior art, the beneficial effects of the utility model are:

1. The main part of the connector is composed of steel bars wrapped in sleeves. The outer sleeve can effectively block the heat conduction of the steel bars. The steel bars improve the shear strength of the overall structure. The cylindrical connector body has the same shear characteristics ;

2. The sleeve and the steel bar are bonded with high-strength liquid anaerobic adhesive. The anaerobic adhesive starts to solidify and bond in an oxygen-free environment. It can not only tightly bond the sleeve and the steel bar, but also effectively isolate the air and prevent the oxidation of the steel bar. Rust, prolong the service life of steel bars;

3. The outside of the main body of the connector is wrapped with glass fiber cloth, and the inside and outside of the glass fiber cloth are coated with epoxy resin as a matrix. The combination of glass fiber cloth and epoxy resin forms a composite reinforcement material, which also has the effect of reducing heat loss. The wrapping of the cloth can make the two sections of casing better form a whole, improve the integrity of the main body of the connector, and at the same time, the outsourcing of glass fiber cloth can effectively improve the shear stiffness of the main body of the connector;

4. There are two anchor holes with a diameter of 6mm at both ends of the main body of the connector. The center of the anchor hole is 30mm away from the end of the main body of the connector. The larger diameter of the anchor hole and the farther distance from the end of the main body of the connector can effectively improve the connection. Pull-out anchorage performance of parts;

5. The diameters of the anchoring longitudinal reinforcement and the anchoring transverse reinforcement are both 6mm. When combined, two anchoring longitudinal reinforcements pass through the anchoring hole, and the rest of the anchoring longitudinal reinforcements overlap with the anchoring horizontal reinforcements to form the anchoring structure of the connector. This structure expands The anchorage range of the connector is widened, which can effectively improve the pullout anchorage performance of the connector;

6. The pre-embedded depth of both ends of the main body of the connector is 70mm, which ensures that the anchoring steel bar has a sufficient buried depth in the concrete. The pre-embedded depth of the steel bar is 30mm, which can effectively ensure that the shear resistance of the main body of the connector is mainly provided by the steel bar. .

Description of drawings

Fig. 1 is the front schematic view of casing of the present invention;

Figure 2 is a schematic front view of the main body of the connector of the utility model;

Figure 3 is a schematic front view of the prefabricated main body of the connector of the utility model;

Fig. 4 is a schematic top view of the prefabricated connector body of the utility model;

Fig. 5 is a schematic side view of the prefabricated main body of the connector of the present invention.

In the figure: 1. Sleeve; 2. Anchor hole; 3. Reinforcement groove; 4. Reinforcement; 5. Fiberglass cloth; , Foam insulation layer.

Detailed ways

In order to clearly and completely describe the purpose, technical solution, and advantages of the present invention, the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the present invention, rather than all embodiments, and are only used to explain the embodiments of the present invention, and are not intended to limit the embodiments of the present invention. All other embodiments obtained under the premise of creative labor belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", " The orientation or positional relationship indicated by "bottom", "side", "vertical", "horizontal", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying References to devices or elements must have a particular orientation, be constructed, and operate in a particular orientation and therefore should not be construed as limiting the invention. Furthermore, the terms "a", "first", "second", "third", "fourth", "fifth" and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

For purposes of simplicity and illustration, the principles of the embodiments are mainly described with reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that in practice the embodiments may not be limited to these specific details. In some instances, well-known methods and structures have not been described in detail to avoid unnecessarily obscuring the embodiments. In addition, all the embodiments can be used in combination with each other.

Please refer to Figures 1 to 5, the utility model provides a technical solution: a combined building assembly connector, including: the connector body 6 and the steel bar 4, the connector body 6 is composed of two sections of casing 1, steel bar 4 Composed of fiberglass cloth 5, the casing 1 is in the shape of a semi-cylindrical, with a steel bar groove 3 in the middle, and anchor holes 2 are set at both ends of the casing 1; the size of the steel bar 4 matches the size of the steel groove 3; the glass fiber cloth 5 wraps Outside the assembled casing 1, epoxy resin is coated on the inside and outside of the glass fiber cloth 5 as a reinforcing matrix.

The steel bar 4 is located in the steel bar groove 3, the casing 1 is made of glass fiber composite reinforced material, the steel bar 4 is made of cold-drawn high-carbon round steel, the main body 6 of the connector is a cylinder, and the casing 1 and the steel bar 4 are made of high Strong liquid oxygen-free adhesive bond.

The outside of the connector body 6 is wrapped with glass fiber cloth 5 , the warp and weft yarns of the glass fiber cloth 5 are orthogonal, the inner and outer sides of the glass fiber cloth 5 are coated with epoxy resin as a matrix, and two anchor holes 2 are provided at both ends of the connector body 6 , the center of the anchor hole 2 is 30mm away from the end of the main body 6 of the connector.

An anchoring longitudinal bar 7 is inserted in the anchoring hole 2, and the anchoring longitudinal bar 7 passes through the anchoring hole 2. The distance between the two ends of the anchoring hole 2 is the same. The end is also fixedly installed with anchoring longitudinal ribs 7, and the anchoring longitudinal ribs 7 and the anchoring transverse ribs 8 overlap to form the anchoring structure of the connector.

When the device is working, take a section of casing 1 and lay it flat so that the side containing the reinforcement groove 3 faces up, and place a reinforcement 4 in the reinforcement groove 3. Both the reinforcement 4 and the reinforcement groove 3 are coated with a layer of high-strength liquid anaerobic glue. Another casing 1 is placed on the upper part of the steel bar 4, so that the side of the upper casing 1 containing the steel bar groove 3 faces downward, and the upper and lower two casings 1 just wrap the steel bar 4, and the joints between the upper and lower two casings 1 are also made of high-strength liquid without Oxygen glue bonding. During the bonding process, it is necessary to ensure that the connection is tight and free of air bubbles, and then the combined structure is placed for 24 hours for the oxygen-free glue to cure; the outside of the bonded sleeve 1 is evenly coated with epoxy resin, and the first layer of glass is outsourced. Fiber cloth 5, glass fiber cloth 5 joints are parallel to casing 1 joints, the wrapping process is as tight as possible, after wrapping, continue to apply epoxy resin, outsource the second layer of glass fiber cloth 5, and the joints of two layers of glass fiber cloth 5 are respectively At both ends of the cylindrical diameter perpendicular to the connection surface of the casing 1, apply a layer of epoxy resin on the outside after the second layer of glass fiber cloth 5 is wrapped, and place it in a cool and ventilated place to dry after completion. Holes are drilled on the fiberglass cloth 5 according to the position of the anchor hole 2 reserved in the sleeve 1, so that the anchor hole 2 penetrates, and the formwork is carried out according to the structural size of the thermal insulation wall panel designed in the application, and the hole is opened at the template at the position of the design connector , so that both ends of the connector main body 6 are inserted into the hole, the insertion depth of both ends is 70 mm given in the design, and the anchoring longitudinal bars 7 with a diameter of 6 mm are inserted in the anchoring holes 2 at both ends, and the anchoring longitudinal bars 7 and the anchoring transverse bars 8 The length is 110mm, and the diameter is 6mm. The overlapping position of the two is tied with wire. When lapping, the anchoring transverse reinforcement 8 is closer to the foam insulation layer 10 in the vertical plane than the anchoring longitudinal reinforcement 7 in the vertical plane. Concrete 9 is poured on the main part 6 of the connecting piece that overlaps the anchoring steel bars, and the concrete 9 is fully vibrated during pouring to avoid hollow and pockmarked concrete 9. After 72 hours of pouring, the structural formwork is removed, and the concrete 9 The structure is maintained for 28 days in a standard environment. After the maintenance is completed, it will be a finished assembly prefabricated sandwich insulation wall panel, which can be used for the insulation structure of the building's outer wall.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (7)

1. A modular building assembly connector comprising: connecting piece main part (6) and reinforcing bar (4), its characterized in that: the connecting piece main body (6) consists of two sections of sleeves (1), reinforcing steel bars (4) and glass fiber cloth (5), wherein the sleeves (1) are semi-cylindrical in shape, a reinforcing steel bar groove (3) is formed in the middle of each sleeve, and anchor holes (2) are formed in two ends of each sleeve (1); the size of the steel bar (4) is matched with that of the steel bar groove (3); the glass fiber cloth (5) is wrapped outside the assembled sleeve (1), and the inner side and the outer side of the glass fiber cloth (5) are coated with epoxy resin to be used as a reinforcing matrix.

2. A modular building assembly connection according to claim 1, wherein: the steel bar (4) is positioned in the steel bar groove (3), the sleeve (1) is made of glass fiber composite reinforced materials, the steel bar (4) is made of cold-drawn high-carbon round steel, and the connecting piece main body (6) is a cylinder.

3. A modular building assembly connection according to claim 1, wherein: high-strength liquid anaerobic adhesive is adopted between the sleeve (1) and the steel bar (4).

4. A modular building assembly connection according to claim 1, wherein: the glass fiber cloth (5) is wrapped outside the connecting piece main body (6), warp and weft yarns of the glass fiber cloth (5) are orthogonal, and epoxy resin is coated on the inner side and the outer side of the glass fiber cloth (5) as a matrix.

5. A modular building assembly connection according to claim 1, wherein: two anchor holes (2) are respectively arranged at two ends of the connecting piece main body (6), and the center of each anchor hole (2) is 30mm away from the end head of the connecting piece main body (6).

6. A modular building assembly connection according to claim 1, wherein: the anchoring holes (2) are internally inserted with anchoring longitudinal ribs (7), the anchoring longitudinal ribs (7) penetrate through the anchoring holes (2), and the two ends of the anchoring longitudinal ribs are the same as the anchoring holes (2).

7. A modular building block connector according to claim 6, wherein: the two ends of the anchoring longitudinal ribs (7) are vertically connected with the anchoring transverse ribs (8), the anchoring longitudinal ribs (7) are fixedly installed at the left end and the right end of the anchoring transverse ribs (8), and the anchoring longitudinal ribs (7) and the anchoring transverse ribs (8) are overlapped to form an anchoring structure of the connecting piece.

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