Connecting box and prefabricated part connecting joint

Abstract

The utility model relates to a fabricated building, in particular to a connecting box and a prefabricated part connecting node. The connecting box comprises a body, connecting ribs are arranged outside the two opposite side faces of the body, a connecting platform is arranged at the bottom of an inner cavity of the body, and an open type connecting opening is formed in the middle of the connecting platform. The prefabricated part connecting joint comprises a first prefabricated part and a second prefabricated part, the connecting box is pre-buried in the end of the first prefabricated part, a second connecting piece is pre-buried in the second prefabricated part, the end of the first prefabricated part abuts against the second prefabricated part, the second connecting piece right faces the connecting port, and the connecting box is pre-buried in the second prefabricated part. And the second connecting piece is fixedly connected with the first connecting piece positioned on the connecting platform. The connecting structure is stable in connection, convenient to use and capable of achieving environment-friendly construction.

Description

Technical Field

[0001] The utility model relates to precast concrete assembled buildings, in particular to a connecting box and a connecting node of precast components. Background Art

[0002] Most precast concrete components in assembled buildings are produced in factories and then transported to the construction site for assembly. At present, the connection method between precast concrete components usually adopts an environmentally friendly and convenient dry connection.

[0003] Chinese Patent CN107338871A discloses a box connection assembly for precast concrete components, which includes a connection box with an open side, a first connection steel bar fixedly connected to the first side of the connection box, and a second connection steel bar detachably and tightly connected to the second side of the connection box; the first side and the second side of the connection box are arranged oppositely. When in use, the connection box and the first connection steel bar are embedded at the end of the first precast concrete component, and the second connection steel bar is embedded at the end of the second precast concrete component. By inserting the second connection steel bar into the connection box and locking the second connection steel bar with a fastener, the connection of the first and second precast concrete components can be realized. Although this connection box makes the installation and fixation of building components more convenient, fast and efficient, this connection box is only adhesively connected to the embedded component through the concrete and the outer surface of the connection box, so it is easy to fall off when stressed. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is to provide a connection box and a connection node of precast components with stable installation and convenient use in view of the instability of the installation of the existing connection box for precast concrete components.

[0005] To solve the above technical problem, the utility model adopts the following technical scheme:

[0006] A connection box includes a cylindrical body, connection bars are arranged outside two opposite side surfaces of the body, a connection platform is arranged at the bottom of the inner cavity of the body, and an open connection port is arranged in the middle of the connection platform.

[0007] The connection box of the utility model is provided with connection bars for embedding into concrete components outside two opposite side surfaces of the body, so that the shear force resistance performance of the connection box of the utility model is improved, and it can be stably embedded in concrete components. Moreover, the utility model is provided with a connection platform at the bottom of the inner cavity of the body, and an open connection port is arranged in the middle of the connection platform. In this way, the utility model can be pushed flat along the connection surface of the connected concrete components, so that the connection steel bars or connection sleeves of the connected concrete components enter the body of the connection box from the connection port, and then the two can be connected by using fasteners, which is simple and convenient to use.

[0008] Preferably, stoppers are respectively provided at both ends of the connecting platform to prevent the pad and the gasket from sliding off.

[0009] Preferably, the connecting ribs are arranged perpendicular to the outer surface of the body.

[0010] Preferably, the body is a rectangular cylinder.

[0011] Preferably, the connecting ribs are provided in two layers along the height direction of the main body.

[0012] Based on the same inventive concept, the utility model also provides a prefabricated component connection node, which includes a first prefabricated component and a second prefabricated component, the end of the first prefabricated component is embedded in the connection box, the second prefabricated component is embedded in the second prefabricated component, the end of the first prefabricated component abuts the second prefabricated component, the second connecting member is opposite to the connecting port, and the second connecting member is fastened to the first connecting member located on the connecting platform.

[0013] Preferably, a pad is placed on the connection platform, and a gasket is installed at the open end of the connection port of the connection platform.

[0014] Preferably, the inner cavity of the body is sealed with mortar.

[0015] Preferably, a mortar layer is provided between the first prefabricated component and the second prefabricated component.

[0016] Preferably, the first connecting member is a connecting bolt or a connecting nut, and the second connecting member is a connecting sleeve or a connecting bolt.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The connection box of the utility model is mainly used for the post-installation connection of the wall. When installing the post-installed wall, just push the wall horizontally onto the bottom plate of the lower module, align the connection port with the connection sleeve position on the bottom plate of the module, place the pad, and screw the connection bolt into the connection sleeve to achieve the connection between the two. The connection quality is well controlled, the assembly is fast, and the construction period can be shortened.

[0019] 2. The connection box of the utility model is used for connection, which reduces the difficulty of installing the wall or other prefabricated components later, shortens the construction period, and utilizes the connection ribs arranged on the connection box body to enhance the structural integrity and the bearing capacity of the connection box, thereby realizing the full assembly installation of the prefabricated building, and well protecting the surrounding environment, so as to achieve green construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0021] Figure 1 It is a three-dimensional structure diagram of the connection box of the present invention.

[0022] Figure 2 It is a structural schematic diagram of the installation platform of the connection box of the present invention.

[0023] Figure 3 It is a side view structural schematic diagram of the connection node of the precast member of the present invention.

[0024] Figure 4 It is a front view structural schematic diagram of the connection node of the precast member of the present invention.

[0025] Figure 5 It is a top view structural schematic diagram of the connection node of the precast member of the present invention.

[0026] In the figure: 1 - the second precast member, 2 - the first precast member, 3 - the connecting sleeve, 4 - the grouting layer, 5 - the connection box, 6 - the flange, 7 - the backing plate, 8 - the gasket, 9 - the anti-loosening wedge-shaped gasket, 10 - the connecting bolt, 11 - the mortar, 12 - the connecting bar, 13 - the connection port, 14 - the connection platform, 15 - the body. Specific embodiments

[0027] The following further describes the present invention in conjunction with specific preferred embodiments, but does not limit the protection scope of the present invention thereby.

[0028] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 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 to the present invention. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0029] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "linkage" 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; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0030] Please refer to Figure 1 、 Figure 2 As shown in FIGS.

[0031] In an embodiment of the connection box 5 of the present utility model, it includes a rectangular tubular body 15. Connection ribs 12 are vertically arranged on the outer sides of two opposite sides of the body 15. A connection platform 14 is arranged at the bottom of the inner cavity of the body 15, and an open U-shaped connection port 13 is arranged in the middle of the connection platform 14.

[0032] To ensure the pre-buried stability of the connection box 5, two layers of connection ribs 12 are arranged along the height direction of the body 15.

[0033] To facilitate the entry of the connection bolt or connection sleeve into the connection port 13, the width of the connection port 13 is greater than the diameter of the connection bolt or connection sleeve.

[0034] Please refer to Figure 3 - Figure 5 As shown in FIGS.

[0035] In the precast member connection node of the present utility model, it includes a first precast member 2 and a second precast member 1. The connection box 5 is pre-buried at the end of the first precast member 2, and the connection port 13 is located on one side of the first precast member 2. A connection sleeve 3 is pre-buried in the second precast member 1. The end of the first precast member 2 abuts against the second precast member 1. The connection sleeve 3 is aligned with the connection port 13. A backing plate 7 is placed on the connection platform 14, and a connection bolt 10 passes through the backing plate 7 and is threadedly connected to the connection sleeve 3.

[0036] To ensure the stable installation of the backing plate 7, a gasket 8 is installed at the open end of the connection port of the connection platform 14. The backing plate 7 and the gasket 8 are preferably steel backing plates and steel gaskets.

[0037] Preferably, the inner cavity of the body 15 is sealed with mortar 11, and a grouting layer 4 is arranged between the first precast member 2 and the second precast member 1.

[0038] The connecting box 5 of the present utility model is particularly suitable for the installation connection of a post-installed wall (equivalent to the first prefabricated component 2). When installing the post-installed wall, as long as the post-installed wall is horizontally pushed onto the lower module base plate (equivalent to the second prefabricated component 1), align the connection port 13 with the position of the connection sleeve 3 on the module base plate, then place the backing plate 7 in place, and screw the connecting bolt 10 into the connection sleeve 3 to achieve the connection between the two.

[0039] In the above embodiment, the connection between the first and second prefabricated components is realized by taking the connection sleeve 3 and the connecting bolt 10 as examples. Obviously, the connection sleeve 3 can also be replaced by a connecting bolt, and the connecting bolt 10 can also be replaced by a connecting nut.

[0040] The above is only the specific implementation scheme of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art can, without departing from the scope of the technical solution of the present utility model, make many possible changes and modifications to the technical solution of the present utility model by using the above-disclosed technical content, or modify it into an equivalent embodiment with equivalent changes. Therefore, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present utility model without departing from the content of the technical solution of the present utility model shall fall within the protection scope of the technical solution of the present utility model.

Claims

1. A connection box, comprising a cylindrical body, characterized in that: Reinforcing ribs are provided on the outer sides of two opposite sides of the body, a connecting platform is provided at the bottom of the inner cavity of the body, and an open connecting port is provided in the middle of the connecting platform.

2. The connection box according to claim 1, characterized in that, Flanges are respectively provided at both ends of the connecting platform.

3. The connection box according to claim 1, wherein, The reinforcing ribs are arranged perpendicular to the outer surface of the body.

4. The connection box according to claim 1, characterized in that The body is a rectangular cylinder.

5. The connection box according to claim 1, wherein The reinforcing ribs are arranged in two layers along the height direction of the body.

6. A connection node of precast components, comprising a first precast component and a second precast component, characterized in that, The connecting box according to any one of claims 1-5 is pre-embedded at the end of the first precast member, a second connecting member is pre-embedded in the second precast member, the end of the first precast member abuts against the second precast member, the second connecting member is opposite to the connecting port, and the second connecting member is fixedly connected to the first connecting member located on the connecting platform.

7. The precast component connection node according to claim 6, wherein, A backing plate is placed on the connecting platform, and a gasket is installed at the open end of the connecting port of the connecting platform.

8. The precast component connection node according to claim 6, characterized in that, The inner cavity of the body is sealed with mortar.

9. The precast member connection node according to claim 6, wherein, A grouting layer is provided between the first precast member and the second precast member.

10. The precast member connection node according to claim 6, wherein, The first connecting member is a connecting bolt or a connecting nut, and the second connecting member is a connecting sleeve or a connecting bolt.

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