CN220117634U - Steel-wood combined closing member connected through bolts - Google Patents

Abstract

The utility model relates to a steel-wood combined closed component connected by bolts, which comprises a rectangular steel pipe, a glued wood board and bolts, wherein the glued wood board is coated outside the rectangular steel pipe to form a combined structure, the rectangular steel pipe and the glued wood board are connected through bolt fastening, and a plurality of bolts are arranged on each surface of the combined structure in a distributed mode. Compared with the prior art, the utility model fully utilizes the strength of steel and the natural warm appearance of the glued wood, can realize the integrated design of a decorative structure, improves the stability of a combined member, and reduces the consumption of building steel and the consumption of decorative finishing materials.

Description

Steel-wood combined closing member connected through bolts

Technical Field

The utility model relates to a composite wood structure, in particular to a steel-wood combined closing member connected by bolts.

Background

In recent years, along with the development of a series of green and environment-friendly targets such as carbon peak, carbon neutralization and the like and the pursuit of life quality by people, wood structures are increasingly popularized in life. However, wood is anisotropic, has low shear strength, and the choice of the size and structural form of the wood member is often limited. In order to make up the defects of the wood and enable the wood to be applied to large-span structural engineering, the combined structure is a reasonable choice.

However, the existing connection mode of the combined structure has some problems, after the connection part is damaged, the steel is buckled, and the wood board inevitably undergoes brittle fracture. Therefore, the prior art also has the problems of insufficient bearing capacity of the components, the consumption of building steel and serious consumption of decoration materials.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a steel-wood combined closed component connected by bolts, which not only can increase the bearing capacity of the component, but also can reduce the consumption of materials due to the characteristics of steel and laminated wood.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a bolted connection's steel wood combination member of closing, this component includes rectangle steel pipe, veneer plank and bolt, the veneer plank cladding is outside the rectangle steel pipe, forms integrated configuration, rectangle steel pipe and veneer plank pass through bolt-up connection, the bolt is equipped with a plurality ofly, the branch arrange in on each face of integrated configuration.

Further, an internal thread hole is formed in the rectangular steel pipe, a bolt hole is formed in the glued wood board, and the bolt sequentially passes through the bolt hole and the internal thread hole to fasten the rectangular steel pipe and the glued wood board.

Further, the internal threaded holes on the rectangular steel pipes are through-length internal threaded holes.

Further, grooves are formed in positions, matched with the bolt holes, of the glued wood board, and the grooves are filled through the bolt cover plates.

Further, the bolt cover plate is a glued wood cover plate.

Further, the bolt cover plate is a truncated cone matched with the groove.

Further, epoxy resin is smeared on the surface of the bolt cover plate.

Further, the number of the bolts arranged in the height direction and the width direction of the combined structure is not less than 2.

Further, the distance between the bolts is 100-250 mm.

Further, the wall thickness of the rectangular steel pipe is larger than 6mm.

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

1. the utility model can fully utilize the characteristics of green and environment protection of wood and light weight and high strength of steel, the wood is connected with the steel plate through the bolts, a plurality of bolts are distributed, the local instability of the steel plate is effectively limited, the relative sliding of the wood and the steel is limited by taking the bolts as shear keys, the steel wood and the wood form integral joint work, and the strength and the rigidity of the member are greatly increased.

2. The utility model designs a combined mode that the glued wood board is coated outside the rectangular steel pipe, fully utilizes the advantages of the glued wood, is convenient to process, and accords with the elimination specification.

3. The utility model can realize factory manufacture and field assembly, and greatly improves the construction speed of the structure.

4. The utility model provides a steel-wood combined member, wherein wood has the impression of being in a greenhouse, can be used as decoration, realizes structural decoration integration, and reduces the consumption of building steel and the consumption of decoration finishing materials.

Drawings

FIG. 1 is a schematic perspective view of the whole of the present utility model;

FIG. 2 is a perspective view of the present utility model with the whole body broken away;

FIG. 3 is an enlarged partial perspective view of the present utility model;

FIG. 4 is a schematic cross-sectional view of the present utility model;

FIG. 5 is an enlarged partial schematic view of FIG. 4 at A;

FIG. 6 is a schematic perspective view of a bolt of the present utility model;

FIG. 7 is a schematic perspective view of a bolt cover plate of the present utility model;

in the figure: 1 is a rectangular steel pipe, 1-1 is an internal threaded hole, 2 is a glued wood board, 2-1 is a bolt hole, 2-2 is a glued wood board groove, 3 is a bolt, 4 is a bolt cover plate, and 4-1 is a bolt cover plate side face.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

Example 1

Referring to fig. 1 to 5, the present embodiment provides a steel-wood combined closed member for bolting, which comprises a rectangular steel pipe 1, a glued board 2 and bolts 3, wherein the glued board 2 is coated outside the rectangular steel pipe 1 to form a combined structure, the rectangular steel pipe 1 and the glued board 2 are fastened and connected by the bolts 3, the bolts 3 are provided in plurality, and are distributed on each surface of the combined structure.

The laminated wood is a composite wood which is formed by engineering design, gluing and processing of specification materials, has larger size and meets the requirements of physical and mechanical separation of specification materials and the like, is used for structural bearing, overcomes the defect of a lot of natural wood, can be processed into various sizes and shapes, and is allowed to be exposed by fire-fighting specifications. The combined closed member is designed in a combined mode that the glued wood plates are coated outside the rectangular steel pipes, the advantage of the glued wood is fully utilized, the processing is convenient, and the elimination specification is met.

As shown in fig. 3-5, an internal thread hole 1-1 is formed in the rectangular steel pipe 1, a bolt hole 2-1 is formed in the glued board 2, and the bolt 3 sequentially passes through the bolt hole 2-1 and the internal thread hole 1-1 to fasten the rectangular steel pipe 1 and the glued board 2. The internal threaded hole 1-1 on the rectangular steel pipe 1 is engaged with the threads of the bolt 3, and the pretightening force of the bolt 3 is only required to be applied by 1-5 kN. In this embodiment, the internal thread hole 1-1 on the rectangular steel pipe 1 is a through-length internal thread hole, and the diameter of the bolt hole 2-1 is 1-2 mm larger than the outer diameter of the bolt shaft of the bolt 3.

As shown in fig. 2, a plurality of bolts 3 are provided, specifically, the number of the bolts 3 arranged in the height direction and the width direction of the combined structure is not less than 2, and the distance between the vertical and the beam direction along the beam axis direction is between 100 and 250mm. The concrete structure of the bolt 3 is shown in fig. 6.

As shown in fig. 2 to 5, a groove 2-2 is formed in the glued wood board 2 at a position matching the bolt hole 2-1, and the groove 2-2 is filled with a bolt cover plate 4. In a specific embodiment, the diameter of the groove 2-2 is 20-50 mm larger than the diameter of the nut of the bolt 3, so that the installation of the bolt 3 is facilitated.

In the specific embodiment, the bolt cover plate 4 is a glued wood cover plate and is made of the same material as the glued wood plate 2, so that the integral attractive appearance of the combined closed component is ensured. In this embodiment, as shown in fig. 7, the bolt cover plate 4 is a truncated cone, and the diameter of the truncated cone is the same as the diameter of the groove on the glued board, and is 0.5-1 mm larger than the diameter of the truncated cone. In particular, the truncated cone is a hollow truncated cone, the central portion of which is intended to receive the nut of the bolt 3.

In this embodiment, the rectangular steel pipe 1 has a wall thickness of more than 6mm to ensure high stability of the member.

Example 2

Referring to fig. 1 to 7, in the steel-wood combined closed member for bolt connection provided in this embodiment, the surface of the bolt cover plate 4 is coated with epoxy resin to improve the waterproof and dustproof effects. The procedure is as in example 1.

The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.

Claims (10)

1. The utility model provides a bolted connection's steel wood combination member of closing, its characterized in that, this component includes rectangle steel pipe (1), veneer board (2) and bolt (3), veneer board (2) cladding is outside rectangle steel pipe (1), forms integrated configuration, rectangle steel pipe (1) and veneer board (2) pass through bolt (3) fastening connection, bolt (3) are equipped with a plurality ofly, the distribution arrange in on each face of integrated configuration.

2. The steel-wood combined closing member connected through bolts according to claim 1, wherein the rectangular steel pipe (1) is provided with an internal threaded hole (1-1), the glued wood board (2) is provided with a bolt hole (2-1), and the bolts (3) sequentially pass through the bolt hole (2-1) and the internal threaded hole (1-1) to fasten the rectangular steel pipe (1) and the glued wood board (2).

3. A bolted steel wood composite closure member according to claim 2, wherein the internally threaded hole (1-1) in the rectangular steel pipe (1) is a through-length internally threaded hole.

4. A bolted steel wood composite closure member according to claim 2, wherein the glued board (2) is provided with a recess (2-2) at a position matching the bolt hole (2-1), the recess (2-2) being filled by a bolt cover plate (4).

5. A bolted steel wood composite closure member according to claim 4, wherein said bolted cover plate (4) is a glued wood cover plate.

6. A bolted steel wood composite closure member according to claim 4, wherein the bolt cover plate (4) is a truncated cone matching the recess (2-2).

7. A bolted steel wood composite closure member according to claim 4, wherein the surface of the bolt cover plate (4) is coated with epoxy resin.

8. A bolted steel wood composite closure member according to claim 1, wherein the number of the bolts (3) arranged in the height direction and the width direction of the composite structure is not less than 2.

9. A bolted steel wood composite closure member according to claim 1, wherein the spacing of the bolts (3) is 100-250 mm.

10. A bolted steel wood composite closure member according to claim 1, wherein the rectangular steel duct (1) has a wall thickness of more than 6mm.