CN210661828U - Compound tub of connection structure of bamboo - Google Patents
Compound tub of connection structure of bamboo Download PDFInfo
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- CN210661828U CN210661828U CN201921308349.6U CN201921308349U CN210661828U CN 210661828 U CN210661828 U CN 210661828U CN 201921308349 U CN201921308349 U CN 201921308349U CN 210661828 U CN210661828 U CN 210661828U
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Abstract
The utility model discloses a compound union coupling structure of bamboo belongs to the compound union coupling technical field of bamboo, and it sets up the pipeline socket for having fender platform and seal groove through the one end with compound pipe of bamboo to correspond two and wait to connect the pipeline socket setting on the compound pipe of bamboo and be the beam section of tube-shape, make the pipeline socket of the compound pipe of two bamboos can insert the both ends of beam section respectively, realize the corresponding connection of the compound pipe of two bamboos. The utility model provides a compound union coupling structure of bamboo, its simple structure, the preparation process is convenient, can effectively overcome the technological defect in the compound union coupling structure forming process of current bamboo, reduces the waste product of shaping part, reduces the waste of material, practices thrift compound union coupling structure of bamboo's preparation cost and application cost, has better application prospect and spreading value.
Description
Technical Field
The utility model belongs to the technical field of the compound union coupling of bamboo, concretely relates to compound union coupling structure of bamboo.
Background
The pipeline is widely applied in daily life and industrial production of people. Common pipeline connection modes include threaded connection, flange connection, welding, pipeline socket connection, ferrule type connection, hot melt connection, groove connection and the like. These connections are widely used in various kinds of pipe work in many fields. However, bamboo composite pipes are mainly made of bamboo, and due to the particularity of bamboo, the existing connection method cannot be effectively applied.
At present, the joint used for pipe connection mostly needs to match with screw threads to realize sealing connection, and is generally used for connection of metal pipes or plastic pipes, such as the "water pipe joint structure" disclosed in the prior patent CN 201120215013.2, which is not effectively applicable to connection of bamboo composite pipes.
In view of this, in the prior patent application CN 104266017 a of the present applicant, a method for manufacturing a tube bundle section for connecting bamboo composite tubes, an installation method thereof, and the tube bundle section are provided, wherein a specially designed tube bundle section structure can effectively realize the connection of the bamboo composite tubes, and meet the connection requirements of the bamboo composite tubes to a certain extent. However, in the testing and application process of the tube bundle joint structure, researchers find that the forming process of the tube bundle joint structure has certain defects: the sealing ring mounting groove of the tube bundle section is used as a stress concentration part of the bundle section structure, the tube bundle section is difficult to be formed in one step by adopting the forming method in the prior patent, because the rubber ring is thin and soft, when the bundle section is wound and formed, an arc surface rather than a right-angle surface is easily formed at the position of the sealing ring mounting groove, and the sealing ring mounting groove can not be machined at that time through cutting and polishing after the bundle section is formed, otherwise, the lining surface of the bundle section can be damaged, and the waterproof and ageing-resistant characteristics of the bundle section are influenced. In addition, the process of connecting the bamboo composite pipes by using the binding sections in the prior patent has no sufficient limit measure, so that the longitudinal displacement of the binding sections is easily caused, and the connection stability and reliability of the bamboo composite pipes are influenced.
SUMMERY OF THE UTILITY MODEL
To the above defect of prior art or improve in the demand one or more, the utility model provides a compound union coupling structure of bamboo can effectively realize two compound pipelines of bamboo's accurate connection, obtains the compound union coupling structure of bamboo that stability is good, the reliability is high, reduces the application cost of compound pipe of bamboo.
In order to achieve the purpose, the utility model provides a bamboo composite pipe connecting structure which is characterized by comprising a binding section and two bamboo composite pipes connected with the two ends of the binding section;
the binding section is of a cylindrical structure and is provided with a binding section lining layer and a binding section structural layer which are sequentially wound and bonded from inside to outside;
one end of each of the two bamboo composite pipes coaxially extends into the corresponding beam section, and the end parts of the two bamboo composite pipes connected with the beam sections are respectively provided with pipeline sockets with the outer diameter not larger than the inner diameter of the beam section; a baffle table with a certain width is wound and bonded on the periphery of the pipeline socket along the annular direction, the outer diameter of the baffle table is larger than the inner diameter of the beam section, and one side end surface of the baffle table is abutted against the end surface of the beam section; meanwhile, a plurality of sealing grooves are formed in the peripheral wall surface of the pipe body extending into the binding section, sealing rings are arranged in the sealing grooves and are arranged along the circumferential direction, and the depth of each sealing ring is not larger than the thickness of each sealing ring.
As a further improvement, the end periphery of the pipeline socket is provided with a chamfer along the circumferential direction.
As a further improvement of the utility model, the sealing grooves are arranged at intervals along the axial direction of the bamboo composite pipe; further two are arranged at intervals.
As a further improvement, the trimming angle is arranged on the wall surface at the two ends of the beam section along the circumferential direction, and the two ends of the beam section are respectively provided with a horn mouth structure.
As a further improvement of the utility model, the bamboo composite pipe is provided with a pipeline inner liner layer and a pipeline structure layer which are sequentially wound and bonded from inside to outside.
As a further improvement, the pipeline inner liner and/or the bundle section inner liner includes a plurality of layers of bamboo fiber, a plurality of layers of knitting felt and a plurality of layers of gridding cloth that twine the bonding in proper order from inside to outside, just gridding cloth resin loading capacity should be > 20g/m2。
As a further improvement of the utility model, the pipeline structure layer and/or the bundle section structure layer includes a plurality of layers of hoop thin bamboo strips used for weaving, a plurality of layers of axial thin bamboo strips used for weaving and a plurality of layers of hoop thin bamboo strips used for weaving that twine the bonding by interior and outside in proper order, just the number of piles and the thickness on hoop thin bamboo strips used for weaving layer account for 60% ~ 90% of structure layer total amount respectively.
The above-described improved technical features may be combined with each other as long as they do not conflict with each other.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, has following beneficial effect:
(1) the utility model discloses a bamboo composite pipe connection structure, it sets up one end of the bamboo composite pipe as the pipeline socket with baffle table and seal groove, and sets up the beam section that is tube-shape corresponding to the pipeline socket on the two bamboo composite pipes to be connected, makes the pipeline socket of the two bamboo composite pipes insert the both ends of the beam section respectively, realizes the corresponding connection of the two bamboo composite pipes; the sealing groove is arranged on the pipeline socket of the bamboo composite pipe, so that the forming quality and forming efficiency of the connection structure of the bamboo composite pipe are improved, the forming difficulty of the bundle section structure is reduced, and the forming and application cost of the bamboo composite pipe is reduced;
(2) the utility model discloses a compound union coupling structure of bamboo, it is through the setting that keeps off the platform on the pipeline socket, makes the both ends of binding a knot can be respectively connect the pipeline socket after the corresponding fender platform of butt, has avoided binding a knot along longitudinal movement, has guaranteed the stability of two compound pipes of bamboo after connecting through binding a knot, has promoted the compound union coupling quality of bamboo;
(3) the utility model discloses a compound union coupling structure of bamboo, it makes the matching of beam section and pipeline socket realize more easily through setting up the chamfer at the tip of pipeline socket to and set up the trim angle respectively at the both ends of beam section, has further promoted compound union coupling's of bamboo convenience;
(4) the utility model discloses a compound union coupling structure of bamboo, the step of its preparation method is simple, the simple operation, there is technological defect in can effectively overcoming current beam section structure forming process, avoid the seal groove to set up the relatively poor problem of seal groove shaping quality that leads to because of local stress concentration in-process, pipeline connection structure processing has been guaranteed, fashioned accuracy, and then the accuracy of having guaranteed compound union coupling of bamboo, the rejection rate in the beam section forming process has been reduced, the waste of material has been reduced, the manufacturing cost and the application cost of having practiced thrift compound union coupling structure of bamboo, better application prospect and spreading value have.
Drawings
Fig. 1 is a sectional view of the whole structure of the connection structure of the bamboo composite pipe in the embodiment of the present invention;
fig. 2 is a schematic view of a pipe socket of a connection structure of a bamboo composite pipe in an embodiment of the present invention;
FIG. 3 is a schematic view of a bundle section of a connection structure of a bamboo composite pipe in an embodiment of the present invention;
FIG. 4 is a flow chart of a method for manufacturing a connection structure of a bamboo composite pipe according to an embodiment of the present invention;
in all the figures, the same reference numerals denote the same features, in particular: 1. a pipeline socket, 101, a pipeline lining layer, 102, a pipeline structural layer, 103, a blocking table, 104, a sealing groove and 105, chamfering; 2. a beam section, 201, a beam section lining layer, 202, a beam section structural layer, 203, and angle trimming; 3. and (5) sealing rings.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
The utility model discloses compound union coupling structure of bamboo in preferred embodiment is shown in fig. 1 ~ 3, and it forms through the compound pipe of two bamboos of beam section 2 correspondence connection, and the tip of the compound pipe of two bamboos sets up respectively to the pipeline socket 1 that can correspond and insert in beam section 2.
Specifically, the joint 2 in the preferred embodiment is a through pipe structure with a certain length, as shown in fig. 3, the inner diameter of the joint 2 is not smaller than the outer diameter of the pipe socket 1, and in actual production, the inner diameter of the joint 2 is slightly larger than the outer diameter of the pipe socket 1, so that the bamboo composite pipe can coaxially extend into the joint 2 at the end thereof; further, the bundle section 2 in the embodiment is formed by winding and bonding, and includes a bundle section lining layer 201 and a bundle section structure layer 202 in sequence from inside to outside. Preferably, to assist the insertion and installation of the pipe socket 1, trimming corners 203 are respectively opened on the inner walls of the two ends of the bundle section 2 along the circumferential direction, so that the two ends of the bundle section 2 are respectively formed with a "tapered" or "trumpet" opening, as shown in fig. 3.
Further, the bamboo composite pipe in the preferred embodiment is formed by winding and bonding, and sequentially comprises a pipeline lining layer 101 and a pipeline structure layer 102 from inside to outside, and one end of the bamboo composite pipe is arranged into a pipeline socket 1 structure which can be matched with a binding section. The pipeline socket 1 comprises a baffle 103 arranged on the periphery of the pipeline along the circumferential direction and a plurality of sealing grooves 104 arranged along the circumferential direction. The distance between the blocking platform 103 and the end part of the bamboo composite pipe, which is provided with the sealing groove 104, corresponds to the length of the pipe socket 1 inserted into the binding section 2, and the blocking platform can be optimally arranged according to the length of the binding section 2 and the butt joint requirement; further, the baffle table 103 in the preferred embodiment is formed by winding and bonding glass fibers impregnated with resin on the outer periphery of the bamboo composite pipe in the circumferential direction, and the molding width of the baffle table 103 is preferably 40-60 mm, and is preferably 50 mm.
Preferably, for further promoting the stability that keeps off platform 103 and set up, set up the spacing groove of certain degree of depth along the hoop at the fender platform of the compound pipe of bamboo and set up the position, keep off platform 103 along the hoop embedding this spacing groove in, prevent to keep off platform 103 and set up the back and at the compound epaxial slip of pipe of bamboo, guarantee the stability and the reliability of pipe connection. It is further preferred that the stop 103 have an outer diameter greater than the outer diameter of the collar 2 so that when the collar 2 is mated with the pipe spigot 1, the sidewall surface of the stop 103 can abut the end surface of the collar 2.
Furthermore, the sealing grooves 104 formed on the outer periphery of the pipe socket 1 are a plurality of, such as two in the preferred embodiment, formed at intervals in the axial direction; of course, it can be set to other numbers, such as 1, 3, 4 or more, as required. Further, the sealing groove 104 is formed in the pipeline structure layer 102 of the bamboo composite pipe, and the forming depth of the sealing groove is far smaller than the forming thickness of the pipeline structure layer 102, so that the structural stability of the bamboo composite pipe is ensured; meanwhile, the opening depth and the opening width of the sealing groove 104 correspond to the thickness and the width of the sealing ring 3 respectively, and when the sealing ring 3 is embedded into the sealing groove 104, the peripheral wall surface of the sealing ring 3 is not lower than that of the bamboo composite pipe. It is further preferred that the end of the pipe spigot 1 is chamfered in the circumferential direction to form a chamfer 105 as shown in figure 2 to facilitate insertion of the pipe spigot 1 into the collar 2.
Through the setting of above-mentioned beam section 2 and compound pipe end portion pipeline socket 1 of bamboo, can effectively realize the high-speed joint of two compound pipes of bamboo, form the compound union coupling structure of bamboo as shown in figure 1.
In the preferred embodiment of the present invention, the preparation process of the bamboo composite pipe connection structure is preferably as shown in fig. 4, specifically as follows:
s1: respectively preparing bundle joints 2 and bamboo composite pipes with pipeline sockets 1
Specifically, the method for preparing the bundle node 2 preferably includes the following processes:
s111: spreading/coating a demoulding material, such as a polyester film, on the cylindrical core mould;
s112: the polyester film is wound and bonded with a bundle section lining layer 201 at the periphery, which comprises 1 layer of bamboo fiber wound and bonded from inside to outside in sequence in the preferred embodimentDimension, 2 layers of knitted felt and 1 layer of gridding cloth, and the resin loading capacity of the gridding cloth is more than 20g/m2；
S113: the bundle section structure layer 202 which is formed by winding and bonding a certain thickness along the circumferential direction on the peripheral wall surface of the bundle section lining layer 201 preferably comprises multiple layers of circumferential bamboo skin, multiple layers of axial bamboo skin and multiple layers of circumferential bamboo skin which are sequentially wound and bonded from inside to outside, and the number and the thickness of the circumferential bamboo skin layers respectively account for 60% -90% of the total weight of the structure layer.
S114: winding and bonding 1 layer of fiber felt at the periphery of the bundle section structure layer 202 to serve as an outer protective layer of the bundle section 2;
in step S112 to S114, while winding each layer, a bonding material is simultaneously poured onto the winding position on the mold, and in a preferred embodiment, the bonding material is a resin, and more preferably a urea-formaldehyde resin; in addition, for the formation of the bundle section structure layer 202, the viscosity range of the resin sprayed in the winding process is 400-1000 mPa.s. Of course, the materials for winding, bonding and forming the layers can also be wound and bonded after being soaked in the resin.
S115: and heating and curing the formed beam section 2, wherein the curing temperature selected in the preferred embodiment is 80-82 ℃, and the curing time is 2 hours.
S116: demolding the solidified beam section 2, and trimming two ends of the beam section 2 to obtain trimming angles 203, so that openings at two ends of the beam section 2 are respectively in a horn shape or a cone shape; during actual production and preparation, the opening length and the opening width of the trimming angle 203 can be correspondingly adjusted according to the preparation size and actual requirements of the beam section 2; it is clear that the thickness of the beam segment 2 is greater than the maximum value of the trim width.
S117: the preparation of the bundle section 2 is completed, and the bundle section 2 shown in fig. 3 is obtained.
Further, the preparation process of the bamboo composite pipe with the pipe socket 1 is as follows:
s121: spreading/coating a demoulding material, such as a polyester film, on the cylindrical core mould;
s122: the pipe lining 101 is wound and bonded around the periphery of the mylar, and in a preferred embodiment comprises 1 layer of bamboo fiber, 2 layers of knitted felt and 1 layer of mesh cloth which are wound and bonded from inside to outside in sequence.
S123: the pipeline inner liner 101 is wound on the peripheral wall surface and bonded with the pipeline structure layer 102 with a certain thickness, and the pipeline inner liner preferably comprises 7-15 layers of annular bamboo splits, 3 layers of axial bamboo splits and 2 layers of annular bamboo splits which are sequentially wound and bonded from inside to outside.
S124: winding and bonding 1 layer of fiber felt on the periphery of the pipeline structure layer 102 to serve as an outer protective layer of the beam section 2;
in steps S122 to S124, while winding each layer, a bonding material is simultaneously poured onto the winding position on the mold, and in a preferred embodiment, the bonding material is a resin, and more preferably a urea-formaldehyde resin; in addition, for the molding of the pipeline structure layer 102, the viscosity range of the resin sprayed in the winding process is 400-1000 mPa.s. Of course, the materials for winding, bonding and forming the layers can also be wound and bonded after being soaked in the resin.
S125: the baffle table 103 is wound and bonded on the periphery of the outer protective layer along the annular direction, is preferably formed by winding and bonding glass fibers, and has a width of preferably 40-60 mm, and further preferably 50 mm; the distance between the baffle table 103 and the end of the pipeline is preferably determined according to actual needs, and the length of the distance is not more than half of the length of the beam section 2;
s126: and heating and curing the formed bamboo composite pipe, wherein the curing temperature selected in the preferred embodiment is 80-82 ℃, and the curing time is 2 hours.
S127: demolding the cured and molded bamboo composite pipe, and arranging a plurality of sealing grooves 104 on the periphery of one end for connecting the beam sections 2, wherein the sealing grooves 104 are of annular structures arranged along the annular direction, preferably a plurality of sealing grooves are arranged at intervals along the axial direction, and further preferably two sealing grooves are arranged; meanwhile, the opening of the sealing groove 104 can be performed before or after the demoulding of the bamboo composite pipe. Further preferably, the end face of the bamboo composite pipe for connecting the joint 2 is chamfered.
Further, in order to prevent the trimming from being insufficient in step S127, the molding process of the stopper 103 in step S125 may also be preferably performed after the mold is removed in step S127.
S2: sealing rings 3 are respectively arranged in the sealing grooves 104 of the two bamboo composite pipes to be connected, and preferably, a lubricant is brushed on the peripheral wall surface of the pipe socket 1.
S3: the two ends of the binding section 2 are coaxially aligned to the pipeline sockets 1 of the two bamboo composite pipes respectively, and the two bamboo composite pipes are pulled into the binding section 2 respectively by the tensioning device, so that the blocking platforms 103 of the two pipeline sockets 1 are abutted to the end part of the binding section 2 respectively, and the preparation of the connection structure of the bamboo composite pipes is realized.
The utility model provides a compound union coupling structure of bamboo, a structure is simple, the preparation is simple and convenient, its tip periphery through locating two compound pipes of bamboo with the seal groove branch, effectively prevented to set up of sealing washer mounting groove on the interior week wall of tube bank festival, the accuracy that the sealing washer mounting groove was seted up has been ensured, the accuracy that the beam section set up has been promoted, the tip of having avoided maintaining and corresponding the compound pipe of bamboo to be used for connecting after the shaping of sealing washer mounting groove is provided with and keeps off the platform, the tip through keeping off a butt beam section realizes beam section and pipeline socket's quick location and matching, the axial displacement is followed to the beam section after two compound pipes of bamboo correspond to connect has been prevented, the stability and the reliability of compound union coupling of bamboo have been promoted, better application prospect and spreading value have.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A bamboo composite pipe connecting structure is characterized by comprising a binding section and two bamboo composite pipes connected to two ends of the binding section;
the binding section is of a cylindrical structure and is provided with a binding section lining layer and a binding section structural layer which are sequentially wound and bonded from inside to outside;
one end of each of the two bamboo composite pipes coaxially extends into the corresponding beam section, and the end parts of the two bamboo composite pipes connected with the beam sections are respectively provided with pipeline sockets with the outer diameter not larger than the inner diameter of the beam section; a baffle table with a certain width is wound and bonded on the periphery of the pipeline socket along the annular direction, the outer diameter of the baffle table is larger than the inner diameter of the beam section, and one side end surface of the baffle table is abutted against the end surface of the beam section; meanwhile, a plurality of sealing grooves are formed in the peripheral wall surface of the pipe body extending into the binding section, sealing rings are arranged in the sealing grooves and are arranged along the circumferential direction, and the depth of each sealing ring is not larger than the thickness of each sealing ring.
2. The bamboo composite pipe connecting structure as claimed in claim 1, wherein an outer circumference of an end of the pipe insertion opening is chamfered in a circumferential direction.
3. The bamboo composite pipe connecting structure according to claim 1, wherein the sealing grooves are formed in a plurality of numbers at intervals in the axial direction of the bamboo composite pipe.
4. The bamboo composite pipe connecting structure according to any one of claims 1 to 3, wherein the inner peripheral wall surfaces of the two ends of the bundle section are circumferentially provided with trimming corners, and the two ends of the bundle section are respectively provided with a bell mouth structure.
5. The bamboo composite pipe connecting structure according to any one of claims 1 to 3, wherein the bamboo composite pipe comprises a pipe lining layer and a pipe structure layer which are sequentially wound and bonded from inside to outside.
6. The bamboo composite pipe connecting structure according to claim 5, wherein the pipeline inner liner layer and/or the bundle section inner liner layer comprise a plurality of layers of bamboo fibers, a plurality of layers of knitted felts and a plurality of layers of gridding cloth which are sequentially wound and bonded from inside to outside, and the resin loading capacity of the gridding cloth is more than 20g/m2。
7. The bamboo composite pipe connection structure according to claim 5, wherein the pipeline structure layer and/or the bundle section structure layer comprise a plurality of layers of circumferential bamboo strips, a plurality of layers of axial bamboo strips and a plurality of layers of circumferential bamboo strips which are sequentially wound and bonded from inside to outside, and the number and thickness of the circumferential bamboo strips respectively account for 60% -90% of the total weight of the structure layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921308349.6U CN210661828U (en) | 2019-08-13 | 2019-08-13 | Compound tub of connection structure of bamboo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921308349.6U CN210661828U (en) | 2019-08-13 | 2019-08-13 | Compound tub of connection structure of bamboo |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210661828U true CN210661828U (en) | 2020-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921308349.6U Active CN210661828U (en) | 2019-08-13 | 2019-08-13 | Compound tub of connection structure of bamboo |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210661828U (en) |
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2019
- 2019-08-13 CN CN201921308349.6U patent/CN210661828U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230314 Address after: 311122 No. 29-16, Jiaqi Road, Xianlin Street, Yuhang District, Hangzhou, Zhejiang Patentee after: Zhonglin Xinzhou Bamboo Winding Development Co.,Ltd. Address before: 311251 No.1, dongfanzhong Road, Linpu Town, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG XINZHOU BAMBOO-BASED COMPOSITES TECHNOLOGY Co.,Ltd. Patentee before: Ye Ling |
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| TR01 | Transfer of patent right |