CN219157983U - Connecting piece suitable for minor-diameter bamboo and fixed knot who constitutes constructs thereof - Google Patents
Connecting piece suitable for minor-diameter bamboo and fixed knot who constitutes constructs thereof Download PDFInfo
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- CN219157983U CN219157983U CN202223548479.1U CN202223548479U CN219157983U CN 219157983 U CN219157983 U CN 219157983U CN 202223548479 U CN202223548479 U CN 202223548479U CN 219157983 U CN219157983 U CN 219157983U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Abstract
The utility model provides a connecting piece suitable for small-diameter bamboo and a fixing structure formed by the same, which belong to the technical field of bamboo building engineering, and comprise a round bamboo sleeve with integrally formed fixing parts, wherein the round bamboo sleeve comprises a sleeve body, a pair of flat connecting parts are arranged on the outer wall of the sleeve body, the flat connecting parts are two metal sheets which are arranged in parallel, and corresponding first threaded holes are formed in the two metal sheets; the connecting part is a connecting sleeve, the connecting sleeve comprises two semi-cylinders with semicircular sections, the two semi-cylinders are combined together to form a hollow inserting part for inserting round bamboo, one end of the inserting part, facing the fixing part, is fixedly connected with a positioning part, a first through hole is formed in the positioning part, and the first through hole is fixedly connected with a corresponding first threaded hole through a first bolt; the utility model can realize standardized and diversified connection of small-diameter round bamboos, has high mechanical strength and is not easy to generate damage in the radial direction.
Description
Technical Field
The utility model relates to the technical field of bamboo building engineering, in particular to a connecting piece suitable for small-diameter bamboo and a fixed structure formed by the connecting piece.
Background
Bamboo wood is used as a green resource with short growth period, strong regeneration capability and high propagation speed, and has great potential for replacing wood materials in the aspect of furniture; most of the prior art adopts large-caliber bamboo with the diameter larger than 50mm, but for small-caliber bamboo, namely bamboo with the diameter smaller than 50mm, the use amount of the small-caliber bamboo in the building and the landscape is greatly reduced due to the diameter of the small-caliber bamboo and the wall thickness of the bamboo;
in addition, the use of the small-diameter round bamboo can be limited in the application process due to various non-uniformities such as the length, the diameter, the wall thickness and the like carried by the round bamboo, for example, the round bamboo is mainly connected by bamboo nails or metal nails, the round bamboo is punched on the surface and then is nailed to be fixedly connected, but the round bamboo is easily cracked due to the fact that the inside of the round bamboo is hollow and bamboo fibers are longitudinally arranged, and the round bamboo is loosened with time or decayed due to moisture due to the use of the bamboo nails or the metal nails; the rattan skin or nylon ropes are used for winding and connecting the connecting parts of the round bamboos with the bamboo nails, and the defect of binding and connecting is that the requirements and specifications of the prior art cannot be completely met. During the use process of the binding material, due to the influence of climate, the phenomena of loosening, fracture, corrosion and the like of the material can occur, the loading capacity of the binding material is limited, the durability and the rigidity of the material are difficult to ensure, and the durability of the binding connection node is shortened due to the fact that human factors are large, so that the service cycle of the round bamboo is directly influenced. Chamfering two ends of the round bamboo to enable the two round bamboo to be mutually attached, bending the bamboo into a circle, and fixing the round bamboo by using bamboo pins; however, the pin connections are less useful in round bamboo member connection applications because bamboo web is hollow and the smooth grain is prone to splitting, etc., resulting in limited use of the pin connections. In addition, a connecting piece is used for connecting the round bamboo, for example, a T-shaped connecting piece and a bolt are used, high-strength mortar is used for connecting the round bamboo, specifically, the T-shaped connecting piece is placed at a round bamboo port, the round bamboo is transversely connected in a penetrating mode through the bolt, and then the high-strength mortar is filled into the bamboo tube to increase strength, so that the method is time-consuming and labor-consuming, and low in production efficiency; for example, due to the reason of the connecting piece, the round bamboo needs to be processed to a certain extent, and the whole manufacturing process is too long in time and too much in procedure.
In addition, when the bamboo-wood structures which are not in the same plane are connected at present, the bamboo-wood structures are required to be connected into a whole by means of the connecting piece, the existing connecting piece is usually fixed in angle, cannot adjust the angle according to actual requirements, and cannot adapt to different construction requirements. Therefore, the purposes of standardization of parts and components in round bamboo landscape facilities and round bamboo furniture production, detachable furniture and serialization of products are achieved by improving the traditional round bamboo connection mode.
Disclosure of Invention
The utility model aims to: aiming at the technical defects that the small-diameter round bamboo in the prior art is small in size, the bamboo wall is thin, round bamboo materials with the same shape and size cannot be selected in batches, and the product in the later period is easy to damage due to the characteristics of hollow bamboo in the inside, the utility model provides a connecting piece suitable for the small-diameter bamboo and a fixing structure formed by the connecting piece, the standardized and diversified connection of the small-diameter round bamboo is realized, the mechanical strength is high, and the breakage in the radial direction is difficult to generate.
The technical scheme is as follows: the utility model relates to a connecting piece suitable for small-diameter bamboo, which comprises a fixing part and a connecting part, wherein the fixing part is fixedly provided with a first small-diameter bamboo, the connecting part is connected with a second small-diameter bamboo, the first small-diameter bamboo and the second small-diameter bamboo are connected into a whole through the fixing part and the connecting part, the fixing part is an integrally formed round bamboo sleeve, the round bamboo sleeve comprises a sleeve body, the outer wall of the sleeve body is provided with a pair of flat connecting parts, the flat connecting parts are two metal sheets which are arranged in parallel, and the two metal sheets are provided with corresponding first threaded holes;
the connecting part is a connecting sleeve, the connecting sleeve comprises two semi-cylinders with semicircular sections, the two semi-cylinders are combined together to form a hollow inserting part for inserting round bamboo, one end of the inserting part, which faces the fixing part, is fixedly connected with a positioning part, a first through hole is formed in the positioning part, and the first through hole is fixedly connected with a corresponding first threaded hole through a first bolt.
Further, the positioning part comprises two cuboid connecting parts which are respectively connected with two semi-cylinders with semicircular sections, and a first through hole is formed in the cuboid connecting parts.
Further, the side wall of the sleeve body is provided with a second threaded hole for the second bolt 5 to pass through for adjusting the diameter of the sleeve body, and when the diameter of the round bamboo is slightly smaller than the diameter of the sleeve body, the round bamboo can be inserted into the side wall of the sleeve body through the second bolt to fix the diameter of the round bamboo.
Further, the flat connection portion is vertically disposed on the outer wall of the sleeve body.
Further, the flat connection portions are symmetrically arranged on the outer wall of the sleeve body.
The fixing structure comprises the connecting piece applicable to the small-diameter bamboo and further comprises a connecting seat for connecting the small-diameter bamboo.
Further, the connecting seat comprises a disc-shaped base, two semicircular connecting parts are arranged on the upper surface of the disc-shaped base in parallel, a plurality of third bolts are arranged on the semicircular connecting parts, and a group of outward base positioning parts are arranged on the disc-shaped base in the circumferential direction.
Further, the base positioning part is fixedly connected with the positioning part of the connecting sleeve through a bolt.
The beneficial effects are that: compared with the prior art, the utility model has the advantages that:
(1) According to the utility model, the round bamboo sleeve and the connecting sleeve are designed, and are spliced in different directions to form a L-shaped connection, a T-shaped connection and a three-dimensional connection structure, so that standardized and diversified connection of the small-diameter bamboo is realized;
(2) When the connecting sleeve is connected with the small-diameter bamboo end, the glue injection method can be adopted, so that the structural size of the small-diameter bamboo can be standardized, and the mechanical property can be improved;
(3) When the round bamboo end is sleeved, the hollow part of the round bamboo end is injected with the epoxy resin AB glue to enhance the mechanical property, so that the round bamboo material which is difficult to standardize can be subjected to machine turning to form standardized size, the condition that the material is damaged due to thinner small-diameter round bamboo is avoided, and the special aluminum alloy connecting piece is adopted, so that multiple connection and adjustable connection of the small-diameter round bamboo can be realized. In the traditional round bamboo connection, the connection structure usually adopts wrapping connection, winding connection, scarf connection or joggling connection, and the defects of poor structural stability, complex manufacturing process, inapplicability to industrialized mass production and the like exist. But through adopting multiple connection and adjustable aluminum alloy connecting piece structure, can produce better bearing capacity intensity, it is also more convenient, simple in the manufacturing process, can realize industrialization mass production and dismantled and assembled ization simultaneously again, greatly reduced cost, more be fit for the requirement to round bamboo furniture structure and gardens miniitem at present.
Drawings
FIG. 1 is a schematic illustration of a "in-line" connection structure of the present utility model;
FIG. 2 is a second bolt application illustration of the present utility model;
FIG. 3 is a schematic view of an "L" shaped connection structure of the present utility model;
FIG. 4 is a schematic illustration of a "T" connection structure of the present utility model;
FIG. 5 is a schematic illustration of the variation of FIG. 3 in accordance with the present utility model;
FIG. 6 is a schematic view of a three-dimensional connecting structure of the present utility model;
fig. 7 is a top view of the connecting base of the present utility model.
In the figure: 1. the round bamboo sleeve comprises a round bamboo sleeve body, a 12 flat connecting part, a 2 connecting sleeve, a 21 plugging part, a 22 positioning part, a 221 cuboid connecting part, a 3 connecting seat, a 31 disc-shaped base, a 32 semicircular connecting part, a 33 base positioning part, 4 round bamboo, a 51 first bolt, a 52 second bolt, a 53 third bolt and a 6 metal block.
Detailed Description
The technical scheme of the utility model is described in detail below through the drawings, but the protection scope of the utility model is not limited to the embodiments.
Example 1 in-line connection
The straight connection shown in fig. 1 comprises a fixing part and a connecting part, wherein the fixing part is an integrally formed round bamboo sleeve 1, the round bamboo sleeve 1 comprises a sleeve body 11, a pair of flat connecting parts 12 are arranged on the outer wall of the sleeve body 11, the flat connecting parts 12 are symmetrically arranged on the outer wall of the sleeve body 11, the flat connecting parts 12 are two metal sheets which are arranged in parallel, and corresponding first threaded holes are formed in the two metal sheets; when the flat connection parts are respectively spliced with the round bamboo 4, the unfolded connection structure is in a straight shape.
The connecting portion is a connecting sleeve 2, and connecting sleeve 2 includes two semi-cylinders that are semicircular in section, and two semi-cylinders are together formed a hollow grafting portion 21 that is used for grafting round bamboo, and grafting portion 21 is towards the one end fixedly connected with location portion 22 of fixed part, is provided with first through-hole on the location portion 22, and first through-hole passes through first bolt 51 and corresponding first screw hole fixed connection. The positioning portion 22 includes two rectangular parallelepiped connecting portions 221 connected to two semicylindrical bodies having semicircular cross sections, respectively, and a first through hole is provided in the rectangular parallelepiped connecting portion 221. The side wall of the sleeve body 11 is provided with a second threaded hole for a second bolt to pass through for adjusting the diameter of the sleeve body.
In addition, referring to fig. 2, the side wall of the sleeve body 11 is provided with a second threaded hole for the second bolt 52 to pass through for adjusting the diameter of the sleeve body, when the diameter of the round bamboo is slightly smaller than that of the sleeve body, the second bolt can be inserted into the side wall of the sleeve metal body for adjusting the insertion connection to be smaller than that of the round bamboo of the sleeve body.
When the size of the inserted circular bamboo is not matched with the connecting sleeve, the end head of the circular bamboo is subjected to glue injection turning treatment, and the method specifically comprises the following steps:
1. firstly, round bamboo materials with the proper size and the specification below 50mm are selected in batches, and the parts close to the ends of the bamboo joints of the round bamboo are cut.
2. Injecting glue, wherein the glue is epoxy resin AB glue and small wood sticks or bamboo strips (the epoxy resin AB glue is a bi-component high temperature resistant adhesive based on epoxy resin, different components of the glue A and the glue B are mixed and cured at normal temperature or low temperature, the cured epoxy resin AB glue has low odor, belongs to an environment-friendly product, and has high bonding strength and stable chemical property), the solidified glue still adheres tightly to the inner wall of the bamboo after turning, and after mechanical bending resistance and tensile test, even if the surface of the bamboo is damaged, the solidified glue at the two ends is still stable and has no cracks;
and (3) blending the adhesive A and the adhesive B according to the weight ratio of 3:1, and immediately stirring the adhesive liquid in the same direction for at least two minutes until the adhesive liquid is not layered and uniformly mixed. The glue solution of the round bamboo ends is filled immediately after glue mixing is completed, and bamboo strips with the length of 2-3cm and the width of about 0.5cm can be properly placed for auxiliary filling in the filling process, so that the glue consumption can be reduced. And after filling, putting the mixture into an oven preheated to 50 ℃ for accelerated drying, heating for 5-6 hours at times, taking out, and then putting the mixture into a room temperature environment for cooling to room temperature.
3. The round bamboo with the same size as the inner wall of the connecting piece is cut into pieces, sleeved with a connecting sleeve produced in a standardized mode, and then fixed with the connecting piece through bolts. When the rotary bamboo wood connecting device is used, the connecting piece can be opened by using the bolts, and the round bamboo wood material is replaced, or the angle of the bamboo wood is rotationally connected in the horizontal direction or the vertical direction. And in the using process, after one or more round bamboo parts are damaged, the bolts 10 can be unscrewed, the damaged round bamboo materials are taken out, and new materials are replaced.
Example 2 "L" connection
This embodiment differs from embodiment 1 in that: the flat connection parts 12 are arranged in a vertical state on the outer wall of the sleeve body 11, and when the flat connection parts are respectively spliced with the round bamboo, the unfolded connection structure is L-shaped, as shown in fig. 3.
Example 3 "T" connection
The "T" type connection as shown in fig. 4, including the connecting seat 3 for connecting the minor diameter bamboo, the connecting seat 3 includes disc base 31, and the upper surface parallel arrangement of disc base 31 has two semi-circular connecting portion 32, is provided with third bolt 53 on the semi-circular connecting portion 32, and semi-circular connecting portion 32 is connected with connecting sleeve 2 through the third bolt, when grafting has the circular bamboo in the connecting sleeve 2, forms "T" type connection promptly.
When the third bolt is loosened, the connection angle between the connecting sleeve and the connecting seat can be changed as required, see fig. 5.
Example 4 three-dimensional connection
The three-dimensional connection shown in fig. 6-7 comprises two connecting seats 3 spliced together through metal blocks 6, an upper base and a lower base which can be sleeved with round bamboo are formed, meanwhile, connecting sleeves can be sleeved on the connecting seats in the circumferential direction, and the connecting sleeves are spliced with the round bamboo, so that a three-dimensional connection structure is formed.
Specifically, the connection seat 3 includes a disc-shaped base 31, two semicircular connection portions 32 are disposed on the upper surface of the disc-shaped base 31 in parallel, two third bolts 53 are disposed on the semicircular connection portions 32, four outward base positioning portions 33 are disposed on the circumference of the disc-shaped base 31, the base positioning portions 33 are connected with the connection sleeve 2, and the connection sleeve 2 is inserted with round bamboo.
As described above, although the present utility model has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the utility model itself. Various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (8)
1. The utility model provides a connecting piece suitable for path bamboo, includes fixed part and connecting portion, the fixed part is fixed with first path bamboo, connecting portion are connected with second path bamboo, connect into a whole with first path bamboo and second path bamboo through fixed part and connecting portion, its characterized in that:
the fixing part is an integrally formed round bamboo sleeve (1), the round bamboo sleeve (1) comprises a sleeve body (11), a pair of flat connecting parts (12) are arranged on the outer wall of the sleeve body (11), the flat connecting parts (12) are two metal sheets which are arranged in parallel, and corresponding first threaded holes are formed in the two metal sheets;
the connecting part is a connecting sleeve (2), the connecting sleeve (2) comprises two semi-cylinders with semicircular sections, the two semi-cylinders are combined together to form a hollow inserting part (21) for inserting round bamboo, one end of the inserting part (21) facing the fixing part is fixedly connected with a positioning part (22), a first through hole is formed in the positioning part (22), and the first through hole is fixedly connected with a corresponding first threaded hole through a first bolt.
2. The connector for small diameter bamboo according to claim 1, wherein: the positioning part (22) comprises two cuboid connecting parts (221) which are respectively connected with the two semi-cylinders with semicircular sections, and the cuboid connecting parts (221) are provided with the first through holes.
3. The connector for small diameter bamboo according to claim 1, wherein: the side wall of the sleeve body (11) is provided with a second threaded hole for a second bolt to pass through.
4. The connector for small diameter bamboo according to claim 1, wherein: the flat connection part (12) is vertically arranged on the outer wall of the sleeve body (11).
5. The connector for small diameter bamboo according to claim 1, wherein: the flat connection parts (12) are symmetrically arranged on the outer wall of the sleeve body (11).
6. A fixing structure comprising the connecting piece for small diameter bamboo according to any one of claims 1 to 5, characterized in that: the utility model also comprises a connecting seat (3) for connecting the small-diameter bamboo.
7. A fastening structure according to claim 6, wherein: the connecting seat (3) comprises a disc-shaped base (31), two semicircular connecting portions (32) are arranged on the upper surface of the disc-shaped base (31) in parallel, a plurality of third bolts are arranged on the semicircular connecting portions (32), and a group of outward base positioning portions (33) are arranged on the disc-shaped base (31) in the circumferential direction.
8. A fastening structure according to claim 7, wherein: the base positioning part (33) is fixedly connected with the positioning part of the connecting sleeve (2) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223548479.1U CN219157983U (en) | 2022-12-21 | 2022-12-21 | Connecting piece suitable for minor-diameter bamboo and fixed knot who constitutes constructs thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223548479.1U CN219157983U (en) | 2022-12-21 | 2022-12-21 | Connecting piece suitable for minor-diameter bamboo and fixed knot who constitutes constructs thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219157983U true CN219157983U (en) | 2023-06-09 |
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ID=86643583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223548479.1U Active CN219157983U (en) | 2022-12-21 | 2022-12-21 | Connecting piece suitable for minor-diameter bamboo and fixed knot who constitutes constructs thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219157983U (en) |
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2022
- 2022-12-21 CN CN202223548479.1U patent/CN219157983U/en active Active
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