Assembly type bamboo and wood beam column joint connecting device

Abstract

The utility model discloses an assembly type bamboo and wood beam column joint connecting device which comprises a wood column, a center steel sleeve, a plurality of beam end steel sleeves and a plurality of bamboo and wood beams, the end portions of the beam end steel sleeves are fixedly connected to the side wall of the center steel sleeve, and limiting pieces are arranged in the inner walls of the beam end steel sleeves. Limiting cavities are defined by the limiting plates and the inner walls of the beam end steel sleeves, prefabricated holes are formed in the side walls of the beam end steel sleeves and the two ends of the center steel sleeve, the wooden columns penetrate through the center steel sleeve, one bamboo beam corresponds to one limiting cavity, and the ends of the bamboo beams are inserted into the limiting cavities. Through holes corresponding to the prefabricated holes are formed in the outer walls of the wooden columns and the bamboo beams, and bolts penetrate through the inner walls of the prefabricated holes; through the arrangement of the central steel sleeve, the beam end steel sleeves, the prefabricated holes and the limiting plates, the original mechanical properties of the wooden columns and the bamboo beams can be prevented from being changed when the wooden columns and the bamboo beams of an existing bamboo structure are connected, and local stress concentration is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to bamboo wood assembly type building technical field especially relates to a kind of assembly type bamboo wood beam column joint connecting device. BACKGROUND

[0002] Bamboo structure building has the advantages of light, energy saving, environmental protection, beautiful and comfortable, and has good bearing capacity in structural performance, and the beam column of bamboo structure needs to be connected in the construction process of bamboo structure building.

[0003] Through the search, the patent of China patent publication No. CN209482468U discloses a kind of bamboo combination connecting node, including center wood block short column, the side of center wood block short column is provided with wood beam and several original bamboo, wherein, the end face of one end of wood beam is provided with protrusion, the side of center wood block short column is provided with the first recess groove matched with the protrusion, the protrusion is inserted into the recess groove, the end face of the other end of wood beam is provided with several second recess grooves, wherein, one original bamboo corresponds to a second recess groove, each original bamboo is inserted into corresponding second recess groove, the side wall of each second recess groove is provided with notch, the side wall of original bamboo extends to the outside of the notch, and fixing piece is sleeved on the outer wall of wood beam to fixedly connect each original bamboo and wood beam.

[0004] The patent connects center wood block short column and wood beam by protrusion and recess groove, but local stress is gathered at protrusion and recess groove when connecting, which can cause cracking or deformation of protrusion and recess groove. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings in prior art, and provides a kind of assembly type bamboo wood beam column joint connecting device.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] A kind of assembly type bamboo wood beam column joint connecting device, including wood column, center steel sleeve, several beam end steel sleeves and several bamboo wood beams, the end of beam end steel sleeve is fixedly connected to the side wall of center steel sleeve, the inner wall of beam end steel sleeve is provided with limit piece, limit piece is composed of two limit plates, two limit plates are fixed vertically staggered, limit plate thickness is consistent from inside to outside along beam end steel sleeve, a limit cavity is enclosed between limit plate and the inner wall of beam end steel sleeve, prefabricated hole is set up in the side wall of beam end steel sleeve and the two ends of center steel sleeve, the wood column passes through center steel sleeve, one bamboo wood beam corresponds to a limit cavity, the end of bamboo wood beam is inserted into limit cavity, the outer wall of wood column and bamboo wood beam is provided with through hole corresponding to prefabricated hole, bolt is arranged in the inner wall of prefabricated hole, and bolt is limitedly matched with wood column and bamboo wood beam.

[0008] As a further scheme of the utility model: the outer wall of the center steel sleeve is sleeved with a fixed sleeve at both ends, the fixed sleeve is composed of a rectangular sleeve and a plurality of U-shaped plates fixedly connected to the outer wall of the rectangular sleeve.

[0009] As a further scheme of the utility model: the U-shaped plate is limitedly clamped with the outer wall of the beam end steel sleeve, supporting rib plates are fixedly connected between the side wall of the rectangular sleeve and the outer wall of the U-shaped plate, the supporting rib plates are triangular, and the outer wall of the rectangular sleeve and the U-shaped plate are provided with limiting holes corresponding to the prefabricated holes.

[0010] As a further scheme of the utility model: the center steel sleeve and the beam end steel sleeve are made of steel materials with a yield strength not less than 300Mpa, and the thickness of the supporting rib plate is not less than 10mm.

[0011] As a further scheme of the utility model: the outer wall of the center steel sleeve and the beam end steel sleeve is fixedly provided with a limiting convex edge, the side wall of the limiting convex edge is fixedly provided with an elastic block, and the elastic block is located at one end of the side wall of the beam end steel sleeve and the center steel sleeve provided with the prefabricated hole.

[0012] As a further scheme of the utility model: the outer side of the wood column and the bamboo wood beam is sleeved with a protective sleeve, a plurality of avoiding grooves are formed in the outer wall of the protective sleeve, and the avoiding grooves correspond to the supporting rib plates.

[0013] As a further scheme of the utility model: a closing plate is arranged on the inner wall of the protective sleeve, the inner wall of the protective sleeve is in interference fit with the elastic block, the closing plate is located on the side of the bolt and is in contact fit with the outer wall of the fixed sleeve.

[0014] Compared with the prior art, the utility model provides a kind of assembled bamboo wood beam column node connecting device, with the following beneficial effects:

[0015] 1. The utility model, by being provided with center steel sleeve, beam end steel sleeve, prefabricated hole and limiting plate, the change of original mechanical property of wood column and bamboo wood beam when connecting wood column and bamboo wood beam of existing bamboo wood structure can be avoided, and local stress concentration is avoided.

[0016] 2. The utility model, by being provided with fixed sleeve and supporting rib plate, center steel sleeve and beam end steel sleeve can be connected and supported, and the rigidity of the connection structure of center steel sleeve and beam end steel sleeve is improved.

[0017] 3. The utility model, by being provided with protective sleeve, limiting convex edge, elastic block, avoiding groove and closing plate, bolt ends can be in closed environment after connection, bolt is avoided to be exposed to external environment for a long time, rust occurs, and it is difficult to disassemble.

[0018] The part not involved in the device is the same as or can be realized by the prior art, the device has simple structure and convenient operation. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 An overall structural schematic view of the assembly type bamboo-wood beam column joint connecting device is provided in the utility model;

[0020] Figure 2 A structural schematic view of a beam end steel sleeve of the assembly type bamboo-wood beam column joint connecting device is provided in the utility model;

[0021] Figure 3 An installation structural schematic view of a protective sleeve of the assembly type bamboo-wood beam column joint connecting device is provided in the utility model;

[0022] Figure 4 A partial structural schematic view of the assembly type bamboo-wood beam column joint connecting device is provided in the utility model.

[0023] In the figure, 1 is a wood column, 2 is a center steel sleeve, 3 is a beam end steel sleeve, 4 is a bamboo-wood beam, 5 is a prefabricated hole, 6 is a limiting plate, 7 is a fixing sleeve, 8 is a supporting rib plate, 9 is a bolt, 10 is a limiting cavity, 11 is a protective sleeve, 12 is a limiting convex edge, 13 is an elastic block, 14 is an avoiding groove, and 15 is a closing plate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0025] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0026] Embodiment 1

[0027] An assembly type bamboo-wood beam column joint connecting device, like Figures 1 to 2As shown, it comprises a wooden column 1, a center steel sleeve 2, a plurality of beam end steel sleeves 3 and a plurality of bamboo-wood beams 4, the end of the beam end steel sleeve 3 is fixedly connected to the side wall of the center steel sleeve 2, the inner wall of the beam end steel sleeve 3 is provided with a limiting piece, the limiting piece is composed of two limiting plates 6, the two limiting plates 6 are vertically staggered and fixed, the thickness of the limiting plate 6 from inside to outside along the beam end steel sleeve 3 is consistent, a limiting cavity 10 is formed between the limiting plate 6 and the inner wall of the beam end steel sleeve 3, the side wall of the beam end steel sleeve 3 and the two ends of the center steel sleeve 2 are provided with prefabricated holes 5, the wooden column 1 passes through the center steel sleeve 2, one bamboo-wood beam 4 corresponds to one limiting cavity 10, the end of the bamboo-wood beam 4 is inserted into the limiting cavity 10, the outer wall of the wooden column 1 and the bamboo-wood beam 4 is provided with a through hole corresponding to the prefabricated hole 5, the inner wall of the prefabricated hole 5 is provided with a bolt 9, and the bolt 9 is limitedly matched with the wooden column 1 and the bamboo-wood beam 4.

[0028] The outer wall of the upper and lower ends of the center steel sleeve 2 is provided with a fixing sleeve 7, the fixing sleeve 7 is composed of a rectangular sleeve and a plurality of U-shaped plates fixedly connected to the outer wall of the rectangular sleeve, the U-shaped plate is limitedly clamped with the outer wall of the beam end steel sleeve 3, the side wall of the rectangular sleeve and the outer wall of the U-shaped plate are fixedly connected with a supporting rib plate 8, the supporting rib plate 8 is triangular, and the outer wall of the rectangular sleeve and the U-shaped plate is provided with a limiting hole corresponding to the prefabricated hole 5.

[0029] The center steel sleeve 2 and the beam end steel sleeve 3 are made of steel material with yield strength not less than 300Mpa, and the thickness of the supporting rib plate 8 is not less than 10mm.

[0030] When connected, first, the rectangular sleeve in the fixing sleeve 7 is sleeved on the two ends of the center steel sleeve 2, the bolt 9 is inserted into the prefabricated hole 5 in the side wall of any plurality of beam end steel sleeves 3, the fixing sleeve 7 is limitedly connected with the beam end steel sleeve 3, then the wooden column 1 is inserted into the center steel sleeve 2, the through hole in the side wall of the wooden column 1 is aligned with the prefabricated hole 5 at the two ends of the center steel sleeve 2, the bolt 9 is inserted into the prefabricated hole 5 at the two ends of the center steel sleeve 2, the nut is tightened, the wooden column 1 and the center steel sleeve 2 are fixed, the bolt 9 inserted into the prefabricated hole 5 in the side wall of the beam end steel sleeve 3 is removed, one end of a plurality of bamboo-wood beams 4 is inserted into the limiting cavity in one beam end steel sleeve 3, the bamboo-wood beam 4 is fixed with the beam end steel sleeve 3 by using the bolt 9, and the plurality of beam end steel sleeves 3 are connected with the bamboo-wood beam 4 by repeating the operation, in the process of installing the bamboo-wood beam 4, the bolt 9 will pass through the U-shaped plate in the fixing sleeve 7, the fixing sleeve 7 is fixed with the beam end steel sleeve 3, the supporting rib plate 8 can support the connection of the center steel sleeve 2 and the beam end steel sleeve 3, and the stiffness of the connection structure of the center steel sleeve 2 and the beam end steel sleeve 3 is improved.

[0031] By providing the center steel sleeve 2, the beam end steel sleeve 3, the prefabricated hole 5 and the limiting plate 6, the change of the original mechanical properties of the wooden column 1 and the bamboo-wood beam 4 during the connection of the existing bamboo-wood structure can be avoided, and local stress concentration can be avoided.

[0032] By setting the fixed sleeve 7 and the support rib plate 8, the center steel sleeve 2 and the beam end steel sleeve 3 can be connected and supported, and the rigidity of the connection structure of the center steel sleeve 2 and the beam end steel sleeve 3 is improved.

[0033] Embodiment 2

[0034] A prefabricated bamboo-wood beam-column joint connecting device, based on embodiment 1, the following improvements are made, as shown in Figures 3 to 4 As shown, the center steel sleeve 2 and the beam end steel sleeve 3 are fixed with a limiting flange 12 on the outer wall, the limiting flange 12 is fixed with an elastic block 13 on the side wall, the elastic block 13 is located at the side wall of the beam end steel sleeve 3 and the center steel sleeve 2 with a prefabricated hole 5, the wood column 1 and the bamboo-wood beam 4 are both sleeved with a protective sleeve 11, the protective sleeve 11 is provided with a plurality of avoiding grooves 14 on the outer wall, the avoiding grooves 14 correspond to the support rib plate 8, the protective sleeve 11 is provided with a closing plate 15 on the inner wall, the inner wall of the protective sleeve 11 is in interference fit with the elastic block 13, the closing plate 15 is located on the side of the bolt 9 and in contact with the outer wall of the fixed sleeve 7.

[0035] Before the wood column 1 and the bamboo-wood beam 4 are connected with the center steel sleeve 2 and the beam end steel sleeve 3 respectively, the protective sleeve 11 is sleeved on both ends of the center steel sleeve 2 and the beam end steel sleeve 3, the inner wall of one end of the protective sleeve 11 is in contact with the outer wall of the elastic block 13, and the protective sleeve 11 is fixed by the elasticity of the elastic block 13, when the wood column 1 or the bamboo-wood beam 4 is inserted into the center steel sleeve 2 or the beam end steel sleeve 3, the protective sleeve 11 is pushed away from the center steel sleeve 2 and the beam end steel sleeve 3 along the wood column 1 or the bamboo-wood beam 4, at this time, the through hole of the side wall of the fixed sleeve 7 is exposed, the fixed sleeve 7, the wood column 1 and the bamboo-wood beam 4 are fixed by using the bolt 9, then the protective sleeve 11 is moved towards the limiting flange 12, the protective sleeve 11 is fixed, the opening of one end of the protective sleeve 11 is closed by the limiting flange 12 and the elastic block 13, and the inner wall of the protective sleeve 11 and the closing plate 15 form a closed space, so that the both ends of the bolt 9 are in a closed environment, avoiding rusting of the bolt 9 exposed to the external environment for a long time, which is difficult to disassemble.

[0036] By setting the protective sleeve 11, the limiting flange 12, the elastic block 13, the avoiding groove 14 and the closing plate 15, the both ends of the bolt 9 can be in a closed environment after connection, avoiding rusting of the bolt 9 exposed to the external environment for a long time, which is difficult to disassemble.

[0037] Working principle: when connecting, first, the rectangular sleeve in the fixing sleeve 7 is sleeved on the two ends of the center steel sleeve 2, the bolt 9 is inserted into the preformed hole 5 in the side wall of the beam end steel sleeve 3, the fixing sleeve 7 is connected with the beam end steel sleeve 3, the protective sleeve 11 is sleeved on the center steel sleeve 2 and the beam end steel sleeve 3, the inner wall of one end of the protective sleeve 11 is in contact with the outer wall of the elastic block 13, the elastic block 13 is used to fix the protective sleeve 11, then the wooden column 1 is inserted into the center steel sleeve 2, the protective sleeve 11 is pushed along the wooden column 1 or the bamboo-wood beam 4 away from the center steel sleeve 2, the through hole in the side wall of the wooden column 1 is aligned with the preformed hole 5 at the two ends of the center steel sleeve 2, the bolt 9 is inserted into the preformed hole 5 at the two ends of the center steel sleeve 2, the nut is screwed, the wooden column 1 and the center steel sleeve 2 are fixed, the bolt 9 inserted into the preformed hole 5 in the side wall of the beam end steel sleeve 3 is removed, one end of the plurality of bamboo-wood beams 4 is inserted into the limiting cavity in the beam end steel sleeve 3, the protective sleeve 11 is pushed along the wooden column 1 or the bamboo-wood beam 4 away from the beam end steel sleeve 3, the bolt 9 is used to fix the bamboo-wood beam 4 and the beam end steel sleeve 3, then the protective sleeve 11 is moved to the limiting convex edge 12, the protective sleeve 11 is fixed, the limiting convex edge 12 and the elastic block 13 close the opening at one end of the protective sleeve 11, the inner wall of the protective sleeve 11 and the closing plate 15 form a closed space, so that the two ends of the bolt 9 are in a closed environment, the bolt 9 is prevented from rusting for a long time and being difficult to disassemble, a plurality of beam end steel sleeves 3 are connected with the bamboo-wood beam 4 through repeated operations, in the process of installing the bamboo-wood beam 4, the bolt 9 passes through the U-shaped plate in the fixing sleeve 7, the fixing sleeve 7 is fixed with the beam end steel sleeve 3, the supporting rib plate 8 can support and connect the center steel sleeve 2 and the beam end steel sleeve 3, and the rigidity of the connecting structure of the center steel sleeve 2 and the beam end steel sleeve 3 is improved.

[0038] The above merely describes a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A prefabricated bamboo-wood beam-column joint connecting device, comprising a wood column (1), a central steel sleeve (2), a plurality of beam end steel sleeves (3) and a plurality of bamboo-wood beams (4), characterized in that, The end of the beam end steel sleeve (3) is fixedly connected to the side wall of the center steel sleeve (2), a limiting piece is arranged in the inner wall of the beam end steel sleeve (3), the limiting piece is composed of two limiting plates (6), the two limiting plates (6) are fixed vertically and staggered, the thickness of the limiting plate (6) is consistent from inside to outside along the beam end steel sleeve (3), a limiting cavity (10) is formed between the limiting plate (6) and the inner wall of the beam end steel sleeve (3), the side wall of the beam end steel sleeve (3) and the two ends of the center steel sleeve (2) are provided with prefabricated holes (5), the wood column (1) passes through the center steel sleeve (2), one bamboo wood beam (4) corresponds to one limiting cavity (10), the end of the bamboo wood beam (4) is inserted into the limiting cavity (10), the outer wall of the wood column (1) and the bamboo wood beam (4) is provided with a through hole corresponding to the prefabricated hole (5), the inner wall of the prefabricated hole (5) is provided with a bolt (9), and the bolt (9) is limitedly matched with the wood column (1) and the bamboo wood beam (4).

2. The fabricated bamboo-wood beam-column joint connecting device according to claim 1, characterized in that, The outer wall of the center steel sleeve (2) is provided with a fixed sleeve (7) at the upper end and the lower end, the fixed sleeve (7) is composed of a rectangular sleeve and a plurality of U-shaped plates fixedly connected to the outer wall of the rectangular sleeve.

3. The fabricated bamboo-wood beam-column joint connecting device according to claim 2, characterized in that, The U-shaped plate is limitedly clamped with the outer wall of the beam end steel sleeve (3), the support rib plate (8) is fixedly connected between the side wall of the rectangular sleeve and the outer wall of the U-shaped plate, the support rib plate (8) is triangular, and the outer wall of the rectangular sleeve and the U-shaped plate is provided with a limiting hole corresponding to the prefabricated hole (5).

4. The fabricated bamboo-wood beam-column joint connecting device according to claim 3, characterized in that, The center steel sleeve (2) and the beam end steel sleeve (3) are made of steel material with a yield strength not less than 300Mpa, and the thickness of the support rib plate (8) is not less than 10mm.

5. The fabricated bamboo-wood beam-column joint connecting device according to claim 1, characterized in that, The outer wall of the center steel sleeve (2) and the beam end steel sleeve (3) is fixedly provided with a limiting convex edge (12), the side wall of the limiting convex edge (12) is fixedly provided with an elastic block (13), and the elastic block (13) is located at one end of the side wall of the beam end steel sleeve (3) and the center steel sleeve (2) provided with the prefabricated hole (5).

6. The fabricated bamboo-wood beam-column joint connecting device according to claim 5, characterized in that, The outer side of the wood column (1) and the bamboo wood beam (4) is provided with a protective sleeve (11), a plurality of avoiding grooves (14) are formed in the outer wall of the protective sleeve (11), and the avoiding grooves (14) correspond to the support rib plate (8).

7. The fabricated bamboo-wood beam-column joint connecting device according to claim 6, characterized in that, The inner wall of the protective sleeve (11) is provided with a closing plate (15), the inner wall of the protective sleeve (11) is in interference fit with the elastic block (13), the closing plate (15) is located on the side of the bolt (9) and in contact fit with the outer wall of the fixed sleeve (7).

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