CN215253521U - Bamboo rib connecting joint of bamboo-based composite board - Google Patents
Bamboo rib connecting joint of bamboo-based composite board Download PDFInfo
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- CN215253521U CN215253521U CN202121414608.0U CN202121414608U CN215253521U CN 215253521 U CN215253521 U CN 215253521U CN 202121414608 U CN202121414608 U CN 202121414608U CN 215253521 U CN215253521 U CN 215253521U
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Abstract
The utility model discloses a bamboo muscle connected node of bamboo base composite sheet, the bamboo base composite sheet is formed by vertical bamboo muscle group base, vertical bamboo muscle butt joint department interval certain distance, butt joint department adopt pour epoxy and form the telescopic joint connection of epoxy, the telescopic joint both ends of epoxy wrap up the certain length of the vertical bamboo muscle in both sides completely. The utility model discloses a bamboo muscle joint point department bamboo muscle joint strength is high, can constitute omnidirectional adhesive connection to the surface and the terminal surface of bamboo muscle. The transverse truss is flexibly arranged, transverse bamboo ribs can be omitted, or transverse bamboo ribs or transverse epoxy resin belts can be adopted, and high connection strength and high bearing strength can be obtained in the longitudinal direction and the transverse direction. The epoxy resin sleeve joint has reasonable form and reasonable parameters, and gives consideration to the bonding strength in two directions at the joint and the overall thickness requirement of the plate. The utility model discloses simple process, function are practical, but the wide application is in the connection between the bamboo muscle in the bamboo base composite sheet.
Description
Technical Field
The utility model relates to a building board technical field especially relates to green building environmental protection composite sheet, specifically is a bamboo muscle connected node of bamboo base composite sheet.
Background
At present, the wallboard used in domestic assembly type buildings is mostly a cement fiberboard and a gypsum board, and the main material is a non-green environment-friendly product. And the plates have poor crack resistance, the field splicing joints are more due to the difficulty in large plate construction due to poor rigidity and strength, and the leakage phenomenon is common in the use process.
Bamboo is a green material rich in resources in China, but is rarely applied to building engineering, and the existing building is more popular to adopt the technology of restructuring bamboo, bamboo winding and the like by taking thermosetting resin as an adhesive, but the bamboo is difficult to be widely used in industrial and civil building projects, and has higher price and more complex process.
Although there are related researches on bamboo-based composite board technology, such as a recombined bamboo scheme and a bamboo winding scheme, attention is paid to the joint connection strength problem at the joint between bamboo ribs in terms of a bamboo rib group blank structure and a bamboo rib group blank mode, which is not fully considered, and the possibility of bamboo rib disjointing and board damage is caused.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the utility model provides a bamboo muscle connected node of bamboo base composite sheet to solve one or more problems among the prior art.
The utility model discloses a realize like this:
a bamboo rib connecting node of a bamboo-based composite board is formed by assembling longitudinal bamboo ribs, the butt joint positions of the longitudinal bamboo ribs are spaced at a certain distance, epoxy resin is poured to form epoxy resin sleeve type joint connection at the butt joint positions, and two ends of each epoxy resin sleeve type joint completely wrap the longitudinal bamboo ribs on two sides for a certain length.
Preferably, the longitudinal bamboo rib single layer group blank is free of transverse bamboo ribs, an epoxy resin thin layer bonding layer is formed at the butt joint position of the longitudinal bamboo ribs on the two sides, and the thickness of the epoxy resin thin layer bonding layer is 3-5 mm.
Preferably, the epoxy sleeve joint is a rectangular hollow epoxy cylinder with a wall thickness of 2-3mm and a length of 2-5cm on each side.
Preferably, the longitudinal bamboo rib single layer group blank is provided with a transverse bamboo rib, the transverse bamboo rib penetrates through the butt joint part between the longitudinal bamboo ribs on the two sides and is spaced from the longitudinal bamboo ribs on the two sides by a certain distance, an epoxy resin thin layer bonding layer is formed between the transverse bamboo rib and the longitudinal bamboo ribs on the two sides, and the thickness of the epoxy resin thin layer bonding layer is 3-5 mm.
Preferably, the epoxy resin sleeve joint is an octagonal hollow epoxy resin cylinder, the wall thickness is 2-3mm, the length of each side of the bamboo reinforcement along the transverse direction is 1-2cm, and the length of the bamboo reinforcement along the longitudinal direction of each side is 2-5 cm.
Preferably, the longitudinal bamboo rib single layer set blank is provided with no transverse bamboo rib and a transverse epoxy resin belt, and the transverse epoxy resin belt is arranged at the butt joint of the longitudinal bamboo ribs on the two sides in a penetrating mode and is tightly attached to the longitudinal bamboo ribs on the two sides.
Preferably, the epoxy sleeve joint is an octagonal cavity epoxy cylinder, the wall thickness is 2-3mm, the length of each side of the transverse epoxy belt is 1-2cm, and the length of each side of the longitudinal bamboo rib is 2-5 cm.
Preferably, the transverse epoxy tape is arranged throughout.
Preferably, the longitudinal bamboo ribs are staggered to form the blanks, or the blanks are not staggered.
Preferably, the longitudinal bamboo rib double-layer assembly blank has the same upper and lower layer longitudinal bamboo rib connecting nodes as the single-layer assembly blank, and the upper and lower layer bamboo ribs are bonded by filling a cementing material or are wholly wrapped by a cementing material.
Compared with the prior art, the utility model provides a pair of bamboo muscle connected node of bamboo base composite sheet has following advantage:
the joint of the bamboo rib has high connection strength, and the longitudinal bamboo ribs on two sides of the epoxy resin sleeve joint form omnibearing bonding connection from the outer surface and the end surface of the bamboo rib.
The transverse truss is flexibly arranged, transverse bamboo ribs can be omitted, or transverse bamboo ribs or transverse epoxy resin belts can be adopted, and high connection strength and high bearing strength can be obtained in the longitudinal direction and the transverse direction.
The epoxy resin sleeve joint has reasonable form and reasonable parameters, and gives consideration to the bonding strength in two directions at the joint and the overall thickness requirement of the plate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
FIG. 1 is a schematic plan view of an embodiment of a panel;
FIG. 2 is an enlarged partial schematic view of the faceplate of FIG. 1;
FIG. 3 is a cross-sectional view taken along line 1-1 of FIG. 2;
FIG. 4 is a cross-sectional view taken along line 1A-1A of FIG. 2;
FIG. 5 is a schematic plan view of another embodiment of a panel;
FIG. 6 is an enlarged partial schematic view of the faceplate of FIG. 5;
FIG. 7 is a cross-sectional view taken at 2-2 of FIG. 6;
FIG. 8 is a cross-sectional view taken along line 2A-2A of FIG. 6;
FIG. 9 is a schematic plan view of a further embodiment of a panel;
FIG. 10 is an enlarged partial schematic view of the faceplate of FIG. 9;
FIG. 11 is a cross-sectional view taken along line 3-3 of FIG. 10;
FIG. 12 is a cross-sectional view taken along line 3A-3A of FIG. 10;
FIG. 13 is a schematic view of a planar structure of a panel according to still another embodiment (a staggered peak group blank).
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention are described in further detail below with reference to the embodiments and the accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
In the description of the present invention, it is to be understood that the terms "comprises/comprising," "consists of … …," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product, apparatus, process, or method that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product, apparatus, process, or method if desired. Without further limitation, an element defined by the phrases "comprising/including … …," "consisting of … …," or "comprising" does not exclude the presence of other like elements in a product, device, process, or method that comprises the element.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
It will be further understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship illustrated in the drawings for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device, component, or structure so referred to must have a particular orientation, be constructed or operated in a particular orientation, and should not be considered as limiting the invention.
The implementation of the present invention will be described in detail below with reference to preferred embodiments.
The bamboo-based composite board is formed by assembling longitudinal bamboo ribs 1, the assembling mode of the longitudinal bamboo ribs 1 is disclosed in the previous patent of an inventor, the detailed explanation is omitted, the longitudinal bamboo ribs 1 are uniformly distributed at intervals, cementing materials 3 are poured in gaps, fiber gridding cloth is attached to the upper surface and the lower surface of each assembled bamboo rib, the fiber gridding cloth completely wraps the side surfaces and the end surfaces of the assembled bamboo ribs from the periphery, and the cementing materials are poured on the upper surface, the lower surface and the peripheral side surfaces of the outer side of the fiber gridding cloth at the same time, so that the bamboo rib plate is formed.
Referring to fig. 1 at first, the utility model discloses research joint strength problem between the bamboo muscle of bamboo-based composite sheet, propose a bamboo muscle connected node of bamboo-based composite sheet, vertical bamboo muscle 1 is connected end to end in vertical, butt joint department interval certain distance, butt joint department adopts and pours epoxy to form epoxy telescopic joint 2 and connects, epoxy telescopic joint 2 both ends wrap up the surface of vertical bamboo muscle 1 of both sides completely for a certain length; the epoxy resin sleeve type joint 2 is used for bonding within a certain length range of the longitudinal bamboo ribs 1, and bonding connection with certain strength is formed on the longitudinal bamboo ribs 1 on two sides from the outer surfaces of the bamboo ribs.
Referring to fig. 1-4, in one embodiment, the longitudinal bamboo reinforcement 1 of the present invention has a single-layer set of blanks without transverse bamboo reinforcement, and the butt joint of the longitudinal bamboo reinforcement 1 at both sides is formed with an epoxy thin-layer bonding layer 21, wherein the thickness of the epoxy thin-layer bonding layer 21 is 3-5 mm. The longitudinal bamboo ribs 1 on the two sides are further bonded and connected with each other with certain strength from the end surfaces of the bamboo ribs through the epoxy resin thin-layer bonding layer 21 between the end surfaces of the longitudinal bamboo ribs 1 on the two sides. The transverse bamboo ribs are not arranged, the longitudinal bamboo ribs are assembled into blanks in a one-way mode, the process is simple, and the construction is fast; the bonding connection with certain strength is further formed on the longitudinal bamboo ribs on the two sides from the end surfaces of the bamboo ribs through the epoxy resin thin-layer bonding layer between the end surfaces of the longitudinal bamboo ribs on the two sides, and the joint connection strength is improved.
Preferably, the epoxy slip 2 has a wall thickness of 2-3mm and a length of 2-5cm per side. Through calculation and verification, the size does not cause the thickness of the plate to be too prominent at the joint on the premise of providing necessary bonding strength, so that the overall thickness and the attractiveness of the plate are not affected.
The specific length of the epoxy resin sleeve joint 2 is calculated according to the stress, and the design requirements of strong nodes and weak components are met.
Referring to fig. 5-8, in another embodiment, the longitudinal bamboo rib 1 is a single-layer set of blanks, and has a transverse bamboo rib 4, the transverse bamboo rib 4 is inserted into the butt joint between the longitudinal bamboo ribs 1 at two sides and is spaced from the longitudinal bamboo ribs 1 at two sides by a certain distance, an epoxy resin thin-layer bonding layer 21 is formed between the transverse bamboo rib 4 and the longitudinal bamboo ribs 1 at two sides, and the thickness of the epoxy resin thin-layer bonding layer 21 is 3-5 mm. The transverse bamboo ribs and the longitudinal bamboo ribs form the bamboo rib truss together, so that the board has bidirectional bearing strength, and meanwhile, the connection strength of the joints is considered.
Preferably, the epoxy resin sleeve joint 2 is an octagonal cavity epoxy resin cylinder, the wall thickness is 2-3mm, the length of each side of the transverse bamboo rib 4 is 1-2cm, namely the length of the transverse bamboo rib 4 is extended and wrapped from the outer edge of the longitudinal bamboo rib 1 to the two directions of the transverse bamboo rib 4, the length of each side of the longitudinal bamboo rib 1 is 2-5cm, namely the length of each side of the longitudinal bamboo rib 1 is extended and wrapped from the outer edge of the transverse bamboo rib 4 to the two directions of the longitudinal bamboo rib 1, and the length of each side of the longitudinal bamboo rib 1 is 2-5 cm. The dimension is calculated and verified to provide the necessary bonding strength in both the longitudinal and transverse directions of the bamboo reinforcement. The epoxy resin sleeve joint with the octagonal cross section can provide firm bonding strength for bamboo ribs in two directions, and meanwhile, the longitudinal length is taken as the main part, and the transverse length is taken as the auxiliary part.
The specific size of the epoxy resin sleeve joint 2 is calculated according to the stress, and the design requirements of strong nodes and weak components are met.
Referring to fig. 9-12, in another embodiment, the longitudinal bamboo rib 1 is a single-layer set of blanks, has no transverse bamboo rib, and has a transverse epoxy resin band 5, the transverse epoxy resin band 5 corresponds to the transverse bamboo rib 4, and the transverse epoxy resin band 5 is disposed at the joint of the longitudinal bamboo ribs 1 at two sides in a penetrating manner, except that the transverse epoxy resin band 5 is not spaced apart from the longitudinal bamboo ribs 1 at two sides but is tightly attached to the longitudinal bamboo ribs 1 at two sides, the transverse epoxy resin band 5 can function as an adhesive joint on one hand, and the longitudinal bamboo ribs 1 at two sides are jointed together at one time by means of the transverse epoxy resin band 5, and the transverse epoxy resin band 5 has the effect similar to a transverse rib truss of the transverse bamboo rib at the same time, and forms a bamboo rib truss together with the longitudinal bamboo rib, so that the plate has bidirectional bearing strength.
Preferably, the epoxy sleeve joint is an octagonal cavity epoxy cylinder with a wall thickness of 2-3mm, the length of each side of the transverse epoxy belt is 1-2cm, and the length of each side of the longitudinal bamboo rib is 2-5 cm.
The longitudinal bamboo rib 1 can be formed into an assembly blank by staggered joint, as shown in figure 13, the assembly blank can also be formed without staggered joint, the transverse epoxy resin belt 5 replaces the transverse bamboo rib 4, the cross section of the transverse epoxy resin belt is equivalent to that of the transverse bamboo rib 4, the transverse epoxy resin belt 5 is arranged in a whole length and is combined with the longitudinal bamboo rib 1 to form a bamboo raft, and the integrity of the bamboo rib is improved. The scheme is more convenient to process.
The utility model discloses in, vertical bamboo muscle 1 also can double-deck two-way group embryo, during double-deck two-way group embryo, the vertical bamboo muscle connected node of upper and lower floor is the same with the single-deck group embryo, fills the cementitious material between the upper and lower floor bamboo muscle and bonds, improves the bamboo muscle wholeness, perhaps whole outsourcing cementitious material, does not fill the cementitious material bonding this moment.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and all modifications, equivalents, improvements and the like that are made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a bamboo muscle connected node of bamboo base composite sheet, bamboo base composite sheet is formed by vertical bamboo muscle group base, its characterized in that: the butt joint of the longitudinal bamboo ribs is at a certain distance, the butt joint is connected by adopting epoxy resin pouring to form an epoxy resin sleeve joint, and two ends of the epoxy resin sleeve joint completely wrap the longitudinal bamboo ribs on two sides for a certain length.
2. The bamboo rib connection node as claimed in claim 1, wherein the longitudinal bamboo rib single layer set blank is free of transverse bamboo ribs, an epoxy resin thin layer bonding layer is formed at the butt joint of the longitudinal bamboo ribs on two sides, and the thickness of the epoxy resin thin layer bonding layer is 3-5 mm.
3. The bamboo reinforcement joint of claim 2, wherein the epoxy slip is a rectangular hollow epoxy cylinder with a wall thickness of 2-3mm and a length of 2-5cm per side.
4. The bamboo reinforcement connection node as claimed in claim 1, wherein the longitudinal bamboo reinforcement single layer set is formed with a transverse bamboo reinforcement, the transverse bamboo reinforcement is inserted into the butt joint between the longitudinal bamboo reinforcements at both sides and spaced from the longitudinal bamboo reinforcements at both sides by a certain distance, an epoxy resin thin layer adhesive layer is formed between the transverse bamboo reinforcement and the longitudinal bamboo reinforcements at both sides, and the thickness of the epoxy resin thin layer adhesive layer is 3-5 mm.
5. The bamboo rib joint according to claim 4, wherein said epoxy socket joint is an octagonal cavity epoxy cylinder having a wall thickness of 2-3mm, a length of 1-2cm along each side of the bamboo rib in the transverse direction and a length of 2-5cm along each side of the bamboo rib in the longitudinal direction.
6. The bamboo reinforcement connection node of claim 1, wherein the longitudinal bamboo reinforcement single layer set blank is provided with no transverse bamboo reinforcement and a transverse epoxy resin belt, and the transverse epoxy resin belt is arranged at the joint of the longitudinal bamboo reinforcement at two sides in a penetrating manner and is tightly attached to the longitudinal bamboo reinforcement at two sides.
7. The bamboo rib joint of claim 6 wherein said epoxy slip is an octagonal cavity epoxy cylinder with a wall thickness of 2-3mm, a length of 1-2cm along each side of the transverse epoxy band, and a length of 2-5cm along each side of the longitudinal bamboo rib.
8. Bamboo reinforcement joint according to claim 6, wherein the transverse epoxy strips are arranged throughout their length.
9. The bamboo reinforcement connection node of claim 6, wherein the longitudinal bamboo reinforcement is split into groups of blanks or is not split into groups of blanks.
10. The bamboo reinforcement connection node as claimed in any one of claims 1 to 9, wherein the longitudinal bamboo reinforcement double-layer assembly blank has the same upper and lower layers as the single-layer assembly blank, and the upper and lower layers of bamboo reinforcement are bonded by filling a binding material therebetween or are integrally wrapped with a binding material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121414608.0U CN215253521U (en) | 2021-06-24 | 2021-06-24 | Bamboo rib connecting joint of bamboo-based composite board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121414608.0U CN215253521U (en) | 2021-06-24 | 2021-06-24 | Bamboo rib connecting joint of bamboo-based composite board |
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| Publication Number | Publication Date |
|---|---|
| CN215253521U true CN215253521U (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121414608.0U Active CN215253521U (en) | 2021-06-24 | 2021-06-24 | Bamboo rib connecting joint of bamboo-based composite board |
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| Country | Link |
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| CN (1) | CN215253521U (en) |
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- 2021-06-24 CN CN202121414608.0U patent/CN215253521U/en active Active
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