Cross-shaped adjustable gingko recombination wood beam connecting piece
Through the cross-shaped adjustable ginkgo recombinant wooden beam connector, the problems of the large variety, high cost and easy rust connections are solved, and internal connection, convenient disassembly and reuse are achieved, improving the mechanical properties and aesthetics of wooden beams.
Patent Information
- Application Number
- CN202422752070.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-11-12
AI Technical Summary
There are many types of recombinant wooden beam connectors, which are costly, and are inconvenient to disassemble and reuse. The exposed connectors are prone to rust and affect the aesthetics and mechanical strength.
The cross-shaped adjustable ginkgo recombinant wooden beam connector is adopted. The connecting piece body is located inside the main beam and secondary beam of the ginkgo wood. Through the combination of π-shaped pieces and cylinder, it provides tensile and shear resistance. The bolt connection is easy to disassemble, and the position and number of bolts can be adjusted according to the span requirements.
It improves the mechanical properties of wooden beam connections, avoids exposed rust, facilitates disassembly and reuse, and is in line with the concept of green building.
Smart Images

Figure CN223151346U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of connection of recombinant wood beams, in particular to a cross-shaped adjustable ginkgo recombinant wood beam connector. Background Technique
[0002] Since the connection method between recombinant wood beams is generally metal connector connection, there are many types of connectors required for connecting different beams. When connecting recombinant wood beams with different spans, it is often necessary to switch different types of metal connectors, which requires higher production and procurement costs, and is not convenient for disassembly and reuse. In addition, many recombinant wood beam connectors are exposed, and are easily corroded under the erosion of wind and rain, thereby reducing their mechanical strength and affecting their aesthetics. Summary of the Invention
[0003] The technical problem to be solved by the utility model is to provide a cross-shaped adjustable ginkgo recombinant wood beam connector in view of the above-mentioned prior art. The cross-shaped adjustable ginkgo recombinant wood beam connector connects two ginkgo main beams and two ginkgo secondary beams to form a cross-shaped structure. The connector body is located inside the ginkgo main beams and ginkgo secondary beams, providing corresponding tensile and shear resistance capabilities, and the connector body is hidden inside to avoid affecting aesthetics due to exposure; the positions and quantities of bolts on the left bolt adjustment groove and the right bolt adjustment groove of the π-shaped part can also be adjusted according to requirements such as the span of the ginkgo main beam to obtain better mechanical properties, and the bolt connection method is also convenient for disassembly and reuse.
[0004] To achieve the above technical purpose, the technical solution adopted by the utility model is as follows:
[0005] A cross-shaped adjustable ginkgo recombinant wood beam connector, comprising a connector body, and two ginkgo main beams and two ginkgo secondary beams are connected by the connector body to form a cross-shaped structure;
[0006] The connector body includes a cylinder, a π-shaped part and bolts; a plurality of cylinder bolt holes are provided on the cylinder, and left bolt adjustment grooves, right bolt adjustment grooves and middle round holes are provided on each of the two mutually parallel vertical plates in the π-shaped part, and the middle round holes are located between the left bolt adjustment grooves and the right bolt adjustment grooves; the left bolt adjustment grooves on the two vertical plates are parallel and symmetrically arranged, and the right bolt adjustment grooves on the two vertical plates are parallel and symmetrically arranged;
[0007] The π-shaped part is respectively embedded in the two ginkgo main beams, and the left bolt adjustment groove of the π-shaped part is connected to one ginkgo main beam through a bolt, and the right bolt adjustment groove of the π-shaped part is connected to the other ginkgo main beam through a bolt;
[0008] The cylinder penetrates between two ginkgo main beams and the middle circular hole of the π-shaped part, and the cylinder is respectively embedded in two ginkgo secondary beams. The cylinder bolt holes on the cylinder are connected to the ginkgo secondary beams through bolts.
[0009] As a further improved technical solution of the utility model, the left bolt adjustment groove and the right bolt adjustment groove have the same structure, and both include a plurality of spaced and side-by-side adjustment bolt holes.
[0010] As a further improved technical solution of the utility model, the cylinder is provided with a plurality of transverse cylinder bolt holes that penetrate the surface of the cylinder, and every two cylinder bolt holes are located on the same straight line to form a pair of cylinder bolt holes.
[0011] As a further improved technical solution of the utility model, a strip-shaped cylindrical groove extending along the length direction is formed on one end face of the ginkgo secondary beam, and a plurality of bolt through holes one penetrating the outer surface are further provided on the outer surface of the ginkgo secondary beam;
[0012] A strip-shaped π-shaped groove extending along the length direction and a semicircular through groove extending along the width direction are formed on one end face of the ginkgo main beam, and a plurality of bolt through holes two penetrating the outer surface are further provided on the outer surface of the ginkgo main beam;
[0013] The π-shaped part is respectively embedded in the π-shaped grooves of two ginkgo main beams and the two ginkgo main beams are in contact with each other. The adjustment bolt holes in the left bolt adjustment groove of the π-shaped part are connected to the bolt through holes two in one ginkgo main beam through bolts and nuts, and the adjustment bolt holes in the right bolt adjustment groove of the π-shaped part are connected to the bolt through holes two in the other ginkgo main beam through bolts and nuts;
[0014] After the two ginkgo main beams are in contact with each other, the semicircular through grooves of the two ginkgo main beams are spliced together to form a circular through groove that coincides with the middle circular hole. The middle part of the cylinder passes through the circular through groove between the two ginkgo main beams and the middle circular hole. One end part of the cylinder is embedded in the cylindrical groove of one ginkgo secondary beam, and a pair of cylinder bolt holes at one end part of the cylinder are connected to the bolt through holes one of the ginkgo secondary beam through bolts and nuts. The other end part of the cylinder is embedded in the cylindrical groove of the other ginkgo secondary beam, and a pair of cylinder bolt holes at the other end part of the cylinder are connected to the bolt through holes one of the ginkgo secondary beam through bolts and nuts; One end face of the ginkgo secondary beam is in common contact with the two ginkgo main beams.
[0015] As a further improved technical solution of the utility model, one end of the bolt through hole one of the ginkgo secondary beam is a bolt counterbore, and the other end is a nut counterbore; One end of the bolt through hole two of the ginkgo main beam is a bolt counterbore, and the other end is a nut counterbore.
[0016] As a further improved technical solution of the present utility model, it further includes a plurality of sealing wooden blocks, and the sealing wooden blocks are used to fill the bolt counterbores and nut counterbores.
[0017] As a further improved technical solution of the present utility model, the cylinder is a steel cylinder, and the π-shaped member is a π-shaped steel member.
[0018] As a further improved technical solution of the present utility model, the cylinder, the π-shaped member and the bolts are all made of Q235 carbon structural steel or Q345 low-alloy high-strength structural steel.
[0019] The beneficial effects of the present utility model are as follows:
[0020] 1. The cross-shaped adjustable ginkgo reconstituted wood beam connector of the present utility model is embedded in the pre-grooved ginkgo main beam and ginkgo secondary beam, providing good shear resistance for the beam. Coupled with the supporting bolts connecting the ginkgo main beam and the ginkgo secondary beam to form a cross-shaped structure, they restrain and pull each other, thereby providing tensile capacity and playing an excellent supporting role. The bolt connection method also facilitates the disassembly and reuse of the connector. The connector body is hidden inside the ginkgo main beam and the ginkgo secondary beam, avoiding exposure that affects aesthetics and rust caused by exposure.
[0021] 2. The cross-shaped adjustable ginkgo reconstituted wood beam connector of the present utility model can change the position and quantity of the bolts in the horizontal right bolt adjustment groove and left bolt adjustment groove of the π-shaped member according to the specific span, size and load requirements of the ginkgo main beam, reasonably distribute the stress positions, enhance the safety factor of the connection of the ginkgo main beam, and can provide convenience for subsequent construction projects.
[0022] 3. The cross-shaped adjustable ginkgo reconstituted wood beam connector of the present utility model has the characteristics of being reusable and having strong applicability. Due to its adjustability, the connector can be reused after the house is disassembled and assembled, which conforms to the development concept of green buildings. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 is the structural schematic diagram of the cross-shaped adjustable ginkgo reconstituted wood beam connector Figure 1 .
[0024] Figure 2 is the structural schematic diagram of the cross-shaped adjustable ginkgo reconstituted wood beam connector Figure 2 .
[0025] Figure 3 is the schematic diagram of the cross-shaped structure formed by connecting two ginkgo main beams and two ginkgo secondary beams through the connector body.
[0026] Figure 4 is Figure 3 the sectional view a-a in
[0027] Figure 5 is Figure 3 the sectional view taken along line b-b in
[0028] Figure 6 a schematic view of one end face structure of a ginkgo secondary beam.
[0029] Figure 7 a schematic view of one end face structure of a ginkgo main beam. Detailed implementation manners
[0030] The following further describes the detailed implementation manners of the present utility model with reference to the accompanying drawings:
[0031] As Figures 1-3 shown, a cross-shaped adjustable ginkgo reconstituted wood beam connector includes a connector body A, and two ginkgo main beams B and two ginkgo secondary beams C are connected by the connector body A to form a cross-shaped structure as Figure 3 shown.
[0032] As Figures 1-2 shown, the connector body A includes a cylinder A1, a π-shaped part A2 and a plurality of bolts A3 providing bearing capacity; a plurality of cylinder bolt holes A11 are provided on the cylinder A1, and left bolt adjustment slots A211, right bolt adjustment slots A212 and middle round holes A213 are provided on each of the two parallel vertical plates A21 in the π-shaped part A2, and the middle round hole A213 is located between the left bolt adjustment slot A211 and the right bolt adjustment slot A212; the left bolt adjustment slots A211 on the two vertical plates A21 are parallel and symmetrically arranged, and the right bolt adjustment slots A212 on the two vertical plates A21 are parallel and symmetrically arranged.
[0033] The π-shaped part A2 is respectively embedded in the two ginkgo main beams B, the left bolt adjustment slot A211 of the π-shaped part A2 is connected to one ginkgo main beam B through a bolt A3 and a nut A31, and the right bolt adjustment slot A212 of the π-shaped part A2 and the nut A31 are connected to the other ginkgo main beam B through a bolt A3.
[0034] The cylinder A1 penetrates between the two ginkgo main beams B and the middle round hole A213 of the π-shaped part A2, and the cylinder A1 is respectively embedded in the two ginkgo secondary beams C, and the cylinder bolt holes A11 on the cylinder A1 are connected to the ginkgo secondary beams C through bolts A3 and nuts A31. The cylinder A1 and the π-shaped part A2 are vertically intertwined to form the connector body A as Figure 1 shown.
[0035] In this embodiment, as Figure 1 shown, the left bolt adjustment slot A211 and the right bolt adjustment slot A212 have the same structure, and both include a plurality of spaced and side-by-side adjustment bolt holes A214.
[0036] In this embodiment, asFigures 1-2 As shown, a plurality of transverse cylinder bolt holes A11 are provided on the cylinder A1, and the cylinder bolt holes A11 penetrate through the surface of the cylinder A1. Every two cylinder bolt holes A11 are located on the same straight line to form a pair of cylinder bolt holes A11.
[0037] In this embodiment, as Figures 3-6 shown, a strip-shaped cylindrical groove C1 extending along the length direction is formed on one end face of the ginkgo secondary beam C, and a plurality of first bolt through holes C2 penetrating through the outer surface are further provided on the outer surface of the ginkgo secondary beam C;
[0038] As Figures 3-7 shown, a strip-shaped π-shaped groove B1 extending along the length direction and a semi-circular through groove B2 extending along the width direction are formed on one end face of the ginkgo main beam B, and a plurality of second bolt through holes B3 penetrating through the outer surface are further provided on the outer surface of the ginkgo main beam B;
[0039] As Figures 4-5 shown, the π-shaped member A2 is respectively embedded in the π-shaped grooves B1 of the two ginkgo main beams B and the two ginkgo main beams B are in contact with each other. The adjusting bolt hole A214 in the left bolt adjusting groove A211 of the π-shaped member A2 is connected to the second bolt through hole B3 in one ginkgo main beam B through a bolt A3 and a nut A31, and the adjusting bolt hole A214 in the right bolt adjusting groove A212 of the π-shaped member A2 is connected to the second bolt through hole B3 in the other ginkgo main beam B through a bolt A3 and a nut A31;
[0040] After the two ginkgo main beams B are in contact with each other, the semi-circular through grooves B2 of the two ginkgo main beams B are spliced with each other to form a circular through groove that coincides with the middle circular hole A213. The middle part of the cylinder A1 passes through the circular through groove between the two ginkgo main beams B and the middle circular hole A213. One end of the cylinder A1 is embedded in the cylindrical groove C1 of one ginkgo secondary beam C, and multiple pairs of cylinder bolt holes A11 at one end of the cylinder A1 are connected to the multiple first bolt through holes C2 of the ginkgo secondary beam C through bolts A3 and nuts A31. The other end of the cylinder A1 is embedded in the cylindrical groove C1 of the other ginkgo secondary beam C, and multiple pairs of cylinder bolt holes A11 at the other end of the cylinder A1 are connected to the multiple first bolt through holes C2 of the ginkgo secondary beam C through bolts A3 and nuts A31; One end face of the ginkgo secondary beam C is in common contact with the two ginkgo main beams B.
[0041] In this embodiment, one end of the first bolt through hole C2 of the ginkgo secondary beam C is a bolt counterbore, and the other end is a nut counterbore; One end of the second bolt through hole B3 of the ginkgo main beam B is a bolt counterbore, and the other end is a nut counterbore.
[0042] In this embodiment, it further includes a plurality of sealing wooden blocks D, which are used to fill the bolt counterbores and nut counterbores.
[0043] In this embodiment, the cylinder A1 is a steel cylinder, and the π-shaped part A2 is a π-shaped steel part. Specifically, the cylinder A1, the π-shaped part A2, and the bolt A3 are all made of Q235 carbon structural steel or Q345 low-alloy high-strength structural steel.
[0044] In this embodiment, the connecting piece body A can select the using positions and numbers of the supporting bolts according to the span, size, and load requirements of the ginkgo main beam, so as to play an adjusting role to obtain better mechanical properties. The specific opening positions and numbers of the plurality of bolt through-holes two B3 on the ginkgo main beam B are also designed according to actual requirements.
[0045] In this embodiment, the bolt A3 is drilled into the ginkgo main beam B and the ginkgo secondary beam C to connect the adjacent four beams and the connecting piece body A, and provide corresponding tensile and shear resistance. The connecting piece body A is formed by the vertical interweaving of the π-shaped part A2 and the cylinder A1. According to the requirements such as the span of the ginkgo main beam B, the positions and numbers of the bolts A3 on the π-shaped part A2 can be adjusted to obtain better mechanical properties. The bolt A3 connects the adjacent ginkgo main beam B and ginkgo secondary beam C in sequence to form a cross shape, so that the four beams are closely connected. In addition, a notch is pre-opened at the end face connection of the laminated wood, which fits the shape of the connecting piece body A, so as to hide the connecting piece body A and avoid being exposed to affect the beauty. After the bolt A3 is connected, the externally exposed part can be filled with the sealing wooden block D.
[0046] During use, the positions and numbers of the bolts A3 in this direction are reasonably arranged in advance according to the span, size, and load requirements of the ginkgo main beam B. Grooves and bolt through-holes are processed at the ends of the ginkgo main beam B and the ginkgo secondary beam C. During installation, first embed the π-shaped part A2 into the π-shaped grooves B1 of the two ginkgo main beams B, and use the bolt A3 and the nut A31 to connect the left bolt adjusting groove A211 and the right bolt adjusting groove A212 of the π-shaped part A2 with the plurality of bolt through-holes two B3 on the two ginkgo main beams B. After installing the bolt A3, shear resistance is provided. Then, pass the cylinder A1 through the middle circular hole A213 on the π-shaped part A2 and the circular through groove between the two ginkgo main beams B, and embed the two end parts of the cylinder A1 into the two cylindrical grooves C1 respectively, and then use the bolt A3 and the nut A31 to connect the cylinder bolt hole A11 on the cylinder A1 and the plurality of bolt through-holes one C2 on the ginkgo secondary beam C. The ginkgo main beam B and the ginkgo secondary beam C are connected by the cylinder A1, the π-shaped part A2, the bolt A3, and the nut A31 to form a cross shape, so as to play a role of tight fixation. After all the bolts A3 are connected, the exposed bolt through-holes on the surfaces of the ginkgo main beam B and the ginkgo secondary beam C can be filled with the sealing wooden block D. The sealing wooden block D seals the bolt A3 and the nut A31 in the bolt through-hole.
[0047] The protection scope of the present utility model includes but is not limited to the above embodiments. The protection scope of the present utility model shall be subject to the claims, and any substitutions, deformations, and improvements that are easily conceivable by those skilled in the art for this technology shall fall within the protection scope of the present utility model.
Claims
1. A cross-shaped adjustable ginkgo laminated wood beam connector, characterized in that It includes a connector body (A), and two ginkgo main beams (B) and two ginkgo secondary beams (C) are connected by the connector body (A) to form a cross-shaped structure; The connector body (A) includes a cylinder (A1), a π-shaped part (A2), and a bolt (A3); a plurality of cylinder bolt holes (A11) are provided on the cylinder (A1), and left bolt adjustment slots (A211), right bolt adjustment slots (A212), and middle circular holes (A213) are provided on both of the two parallel vertical plates (A21) in the π-shaped part (A2), and the middle circular holes (A213) are located between the left bolt adjustment slots (A211) and the right bolt adjustment slots (A212); the left bolt adjustment slots (A211) on the two vertical plates (A21) are symmetrically arranged, and the right bolt adjustment slots (A212) on the two vertical plates (A21) are symmetrically arranged; The π-shaped parts (A2) are respectively embedded in the two ginkgo main beams (B), the left bolt adjustment slot (A211) of the π-shaped part (A2) is connected to one ginkgo main beam (B) by a bolt (A3), and the right bolt adjustment slot (A212) of the π-shaped part (A2) is connected to the other ginkgo main beam (B) by a bolt (A3); The cylinder (A1) penetrates between the two ginkgo main beams (B) and the middle circular holes (A213) of the π-shaped part (A2), and the cylinder (A1) is respectively embedded in the two ginkgo secondary beams (C), and the cylinder bolt holes (A11) on the cylinder (A1) are connected to the ginkgo secondary beams (C) by bolts (A3).
2. The cross-shaped adjustable ginkgo reconstituted wood beam connector according to claim 1, characterized in that, The left bolt adjustment slot (A211) and the right bolt adjustment slot (A212) have the same structure, and both include a plurality of spaced and side-by-side adjustment bolt holes (A214).
3. The cross-shaped adjustable ginkgo reconstituted wood beam connector according to claim 1, characterized in that, A plurality of transverse cylinder bolt holes (A11) are provided on the cylinder (A1), and the cylinder bolt holes (A11) penetrate the surface of the cylinder (A1), and every two cylinder bolt holes (A11) are located on the same straight line to form a pair of cylinder bolt holes (A11).
4. The cross-shaped adjustable ginkgo laminated wood beam connector according to claim 3, characterized in that, A strip-shaped cylindrical groove (C1) extending along its length direction is opened on one end face of the ginkgo secondary beam (C), and a plurality of bolt through holes one (C2) penetrating the outer surface are further provided on the outer surface of the ginkgo secondary beam (C); A strip-shaped π-shaped groove (B1) extending along its length direction and a semi-circular through groove (B2) extending along its width direction are opened on one end face of the ginkgo main beam (B), and a plurality of bolt through holes two (B3) penetrating the outer surface are further provided on the outer surface of the ginkgo main beam (B); The π-shaped part (A2) is respectively embedded in the π-shaped grooves (B1) of two ginkgo main beams (B), and the two ginkgo main beams (B) are in contact with each other. The adjusting bolt holes (A214) in the left bolt adjusting groove (A211) of the π-shaped part (A2) are connected to the bolt through holes II (B3) in one ginkgo main beam (B) through bolts (A3) and nuts (A31). The adjusting bolt holes (A214) in the right bolt adjusting groove (A212) of the π-shaped part (A2) are connected to the bolt through holes II (B3) in the other ginkgo main beam (B) through bolts (A3) and nuts (A31). After the two ginkgo main beams (B) are in contact with each other, the semi-circular through grooves (B2) of the two ginkgo main beams (B) are spliced together to form a circular through groove aligned with the middle circular holes (A213) on the two vertical plates (A21). The middle part of the cylinder (A1) passes through the circular through groove between the two ginkgo main beams (B) and the middle circular holes (A213) on the two vertical plates (A21). One end of the cylinder (A1) is embedded in the cylindrical groove (C1) of a ginkgo secondary beam (C), and a pair of cylinder bolt holes (A11) at one end of the cylinder (A1) are connected to the bolt through hole I (C2) of the ginkgo secondary beam (C) through bolts (A3) and nuts (A31). The other end of the cylinder (A1) is embedded in the cylindrical groove (C1) of another ginkgo secondary beam (C), and a pair of cylinder bolt holes (A11) at the other end of the cylinder (A1) are connected to the bolt through hole I (C2) of the ginkgo secondary beam (C) through bolts (A3) and nuts (A31). One end face of the ginkgo secondary beam (C) is in common contact with the two ginkgo main beams (B).
5. The cross-shaped adjustable ginkgo reconstituted wood beam connector according to claim 4, characterized in that, One end of the bolt through hole I (C2) of the ginkgo secondary beam (C) is a bolt counterbore, and the other end is a nut counterbore. One end of the bolt through hole II (B3) of the ginkgo main beam (B) is a bolt counterbore, and the other end is a nut counterbore.
6. The cross-shaped adjustable ginkgo reconstituted wood beam connector according to claim 5, wherein, It also includes a plurality of sealing blocks (D), and the sealing blocks (D) are used to fill the bolt counterbores and nut counterbores.
7. The cross-shaped adjustable ginkgo reconstituted wood beam connector according to claim 1, characterized in that, The cylinder (A1) is a steel cylinder, and the π-shaped part (A2) is a π-shaped steel part.
8. The cross-shaped adjustable ginkgo reconstituted wood beam connector according to claim 7, characterized in that, The cylinder (A1), the π-shaped part (A2) and the bolt (A3) are all made of Q235 carbon structural steel or Q345 low-alloy high-strength structural steel.