CN219240882U - Combined building assembly type connecting piece - Google Patents

Abstract

The utility model relates to the technical field of assembled buildings, in particular to a combined building assembled connecting piece, which comprises: the connecting piece comprises a connecting piece main body and reinforcing steel bars, wherein the connecting piece main body consists of two sections of sleeves, reinforcing steel bars and glass fiber cloth, the sleeves are in the shape of semi-cylinders, reinforcing steel bar grooves are formed in the middle, and anchoring holes are formed in two ends of each sleeve; the size of the steel bar is matched with the size of the steel bar groove; the glass fiber cloth is wrapped outside the assembled sleeve, and the inner side and the outer side of the glass fiber cloth are coated with epoxy resin to serve as a reinforcing matrix; the beneficial effects are as follows: the utility model has simple structure and convenient use method, can effectively improve the anchoring performance and the shearing resistance of the connecting piece, can effectively prevent the loss of heat at the same time, and meets the design development concept of the traditional heat-insulation wallboard connecting piece.

Description

Combined building assembly type connecting piece

Technical Field

The utility model relates to the technical field of assembly type buildings, in particular to a combined type building assembly type connecting piece.

Background

The assembled building has the advantages of safe construction, high efficiency, high quality, energy conservation and environmental protection, is representative of modern industrialized production modes, and has wide popularization and application in China. The connecting piece is an important tool for the installation of the assembled building, and is a core component for ensuring the reliability of the joint of the beam slab and the column of the assembled building. The concrete sandwich heat-insulating wallboard connecting piece is a component part of an assembled building connecting piece, and is widely applied to precast concrete sandwich heat-insulating wallboard engineering.

At present, the manufacturing materials and structures of the connecting piece have various shapes, and in terms of materials, the most widely applied metal and glass fiber composite reinforced materials are provided, wherein the metal materials have better heat conductivity, and a large amount of heat loss can be caused when the metal materials are used as the materials of the connecting piece of the heat-insulating wallboard, so that the heat-insulating effect is reduced; the glass fiber composite reinforced material has better tensile property and lower heat conductivity coefficient, but the shearing resistance is far inferior to that of a metal material. In terms of structural shape, there are connecting pieces with structures such as bar type, C type, I shape, truss and the like, but the anchoring performance of the structures is generally weak, and the structures are all unidirectional anti-shearing structures, in practical engineering application, because the heat-insulating wallboard bears the complexity of loads such as external force frost, rain and snow, the shearing force is not only generated in a fixed direction, but also the design of the heat-insulating wallboard connecting piece with the shearing property in all directions is still lacking at present.

Disclosure of Invention

The present utility model is directed to a modular building assembly connector, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a modular building assembly connector comprising: the connecting piece comprises a connecting piece main body and reinforcing steel bars, wherein the connecting piece main body consists of two sections of sleeves, reinforcing steel bars and glass fiber cloth, the sleeves are in the shape of semi-cylinders, reinforcing steel bar grooves are formed in the middle, and anchoring holes are formed in two ends of each sleeve; the size of the steel bar is matched with the size of the steel bar groove; the glass fiber cloth is wrapped outside the assembled sleeve, and the inner side and the outer side of the glass fiber cloth are coated with epoxy resin to serve as a reinforcing matrix.

Preferably, the steel bars are positioned in the steel bar grooves, the sleeve is made of glass fiber composite reinforced materials, the steel bars are made of cold drawn high-carbon round steel, and the connecting piece main body part is a cylinder.

Preferably, the sleeve and the steel bar are bonded by high-strength liquid anaerobic adhesive.

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

Preferably, two anchoring holes are respectively arranged at two ends of the connecting piece main body, and the center of each anchoring hole is 30mm away from the end head of the connecting piece main body.

Preferably, the anchoring longitudinal ribs are inserted into the anchoring holes, penetrate through the anchoring holes, and the distances between the two ends of the anchoring longitudinal ribs are the same as those between the two ends of the anchoring longitudinal ribs.

Preferably, both ends of the anchoring longitudinal bars are vertically connected with anchoring transverse bars, the left end and the right end of each anchoring transverse bar are fixedly provided with the anchoring longitudinal bars, and the anchoring longitudinal bars and the anchoring transverse bars are overlapped to form an anchoring structure of the connecting piece.

Compared with the prior art, the utility model has the beneficial effects that:

1. the connecting piece main body part is formed by combining reinforcing steel bars wrapped by the sleeve, the outer sleeve can effectively block heat conduction of the reinforcing steel bars, the reinforcing steel bars improve shearing strength of the whole structure, and the cylindrical connecting piece main body has the same shearing characteristics;

2. the sleeve and the steel bar are bonded by adopting high-strength liquid anaerobic adhesive, and the anaerobic adhesive starts to solidify and bond in an anaerobic environment, so that the sleeve and the steel bar can be tightly bonded, air can be effectively isolated, the steel bar is prevented from being oxidized and rusted, and the service life of the steel bar is prolonged;

3. the glass fiber cloth is wrapped outside the connecting piece main body, epoxy resin is coated on the inner side and the outer side of the glass fiber cloth to serve as a matrix, the glass fiber cloth and the epoxy resin are combined to form a composite reinforced material, the composite reinforced material also has the effect of reducing heat dissipation, meanwhile, the two sections of sleeves can be better formed into a whole through wrapping of the glass fiber cloth, the integrity of the connecting piece main body is improved, and meanwhile, the shearing rigidity of the connecting piece main body can be effectively improved through the glass fiber cloth which is wrapped outside the glass fiber cloth;

4. two anchoring holes with the diameter of 6mm are respectively formed in two ends of the connecting piece main body, the center of each anchoring hole is 30mm away from the end head of the connecting piece main body, and the larger diameter of each anchoring hole and the longer distance away from the end head of the connecting piece main body can effectively improve the tensile pulling anchoring performance of the connecting piece;

5. the diameters of the anchoring longitudinal ribs and the anchoring transverse ribs are 6mm, when the two anchoring longitudinal ribs penetrate through the anchoring holes, and the rest of the anchoring longitudinal ribs and the anchoring transverse ribs are overlapped to form an anchoring structure of the connecting piece together;

6. the embedded depth at the two ends of the connecting piece main body is 70mm, so that the anchoring steel bars are ensured to have enough embedded depth in concrete, the embedded depth of the steel bars is 30mm, and the shearing resistance of the connecting piece main body can be effectively ensured to be mainly provided by the steel bars.

Drawings

FIG. 1 is a schematic front view of a sleeve of the present utility model;

FIG. 2 is a schematic front view of a connector body according to the present utility model;

FIG. 3 is a front view of a connector body of the present utility model;

FIG. 4 is a preformed top view of the connector body of the present utility model;

fig. 5 is a pre-fabricated side view schematic of the connector body of the present utility model.

In the figure: 1. a sleeve; 2. an anchor hole; 3. a steel bar groove; 4. reinforcing steel bars; 5. glass fiber cloth; 6. a connector body; 7. anchoring the longitudinal ribs; 8. anchoring the transverse ribs; 9. concrete; 10. and a foam heat-insulating layer.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the 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 utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

For purposes of brevity and description, the principles of the embodiments are described primarily by 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 the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1 to 5, the present utility model provides a technical solution: a modular building assembly connector comprising: the connecting piece comprises a connecting piece main body 6 and reinforcing steel bars 4, wherein the connecting piece main body 6 consists of two sections of sleeves 1, the reinforcing steel bars 4 and glass fiber cloth 5, the sleeves 1 are semi-cylindrical in shape, a reinforcing steel bar groove 3 is formed in the middle, and anchoring holes 2 are formed in two ends of each sleeve 1; the size of the steel bar 4 is matched with the size 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 as a reinforcing matrix.

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, the connecting piece main body 6 is a cylinder, and high-strength liquid anaerobic adhesive is adopted between the sleeve 1 and the steel bar 4.

The outside parcel of connecting piece main part 6 has fine cloth 5 of glass, and fine cloth 5 warp weft yarn is orthogonal, and the glass is fine cloth 5 the inside and outside and is painted epoxy as the base member, and connecting piece main part 6 both ends respectively are provided with two anchor holes 2, and anchor hole 2 center is 30mm apart from connecting piece main part 6 end.

The anchoring hole 2 is internally inserted with an anchoring longitudinal rib 7, the anchoring longitudinal rib 7 passes through the anchoring hole 2, the two ends are the same as the anchoring hole 2, the two ends of the anchoring longitudinal rib 7 are vertically connected with an anchoring transverse rib 8, the left end and the right end of the anchoring transverse rib 8 are fixedly provided with the anchoring longitudinal rib 7, and the anchoring longitudinal rib 7 and the anchoring transverse rib 8 are lapped together to form an anchoring structure of the connecting piece.

When the device works, a section of sleeve 1 is horizontally placed, one surface containing a steel bar groove 3 faces upwards, steel bars 4 are placed in the steel bar groove 3, the surfaces of the steel bars 4 and the steel bar groove 3 are coated with a layer of high-strength liquid anaerobic adhesive, another section of sleeve 1 is placed on the upper part of the steel bars 4, one surface containing the steel bar groove 3 of the upper sleeve 1 faces downwards, the upper sleeve 1 and the lower sleeve 1 just wrap the steel bars 4, a seam between the upper sleeve 1 and the lower sleeve 1 is also bonded by using the high-strength liquid anaerobic adhesive, the tight and bubble-free joint is ensured in the bonding process, and then the combined structure is placed for 24 hours until the anaerobic adhesive is solidified; uniformly coating epoxy resin on the outer side of the bonded sleeve 1, wrapping a first layer of glass fiber cloth 5, wherein the seam of the glass fiber cloth 5 is parallel to the connecting seam of the sleeve 1, coating the epoxy resin continuously after the wrapping is completed, wrapping a second layer of glass fiber cloth 5, respectively coating one layer of epoxy resin on two ends of the seam of the two layers of glass fiber cloth 5 with the cylindrical diameter perpendicular to the connecting surface of the sleeve 1 after the wrapping of the second layer of glass fiber cloth 5 is completed, drying the two layers of glass fiber cloth at a cool and ventilated place after the wrapping of the second layer of glass fiber cloth 5 is completed, opening an anchor hole 2 is reserved on the dried glass fiber cloth 5 according to the position of the sleeve 1, penetrating the anchor hole 2, supporting a mold according to the structural dimension of a heat-preservation wallboard designed in application, opening the mold at the position of a designed connecting piece, and inserting two ends of the connecting piece main body 6 into the holes, the two ends of the connecting piece are inserted with the depth of 70mm given in the design, the anchoring longitudinal ribs 7 with the diameter of 6mm are inserted into the anchoring holes 2 at the two ends, the length of each anchoring longitudinal rib 7 and each anchoring transverse rib 8 is 110mm, the diameters of each anchoring longitudinal rib 7 and each anchoring transverse rib 8 are 6mm, binding wires are adopted at the overlapping positions of the two longitudinal ribs, when the two longitudinal ribs are overlapped, the anchoring transverse ribs 8 are closer to the foam insulation layer 10 on the vertical plane than the anchoring longitudinal ribs 7 on the vertical plane, pouring of concrete 9 is carried out on the connecting piece main body 6 part with the anchoring reinforcing ribs overlapped in the template, sufficient vibration is carried out on the concrete 9 during pouring, the phenomena of hollowness and pitting of the concrete 9 are avoided, the structural template is removed after the pouring is carried out for 72 hours, curing is carried out on a concrete 9 structure for 28 days under a standard environment, and the finished product is the prefabricated sandwich insulation wallboard which can be used for the insulation structure of the outer wall of a building.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in 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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