CN208281654U - A kind of horn mouth bamboo winding reducer pipe - Google Patents
A kind of horn mouth bamboo winding reducer pipe Download PDFInfo
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- CN208281654U CN208281654U CN201820813659.2U CN201820813659U CN208281654U CN 208281654 U CN208281654 U CN 208281654U CN 201820813659 U CN201820813659 U CN 201820813659U CN 208281654 U CN208281654 U CN 208281654U
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Abstract
The utility model discloses a kind of horn mouth bamboos to wind reducer pipe, belong to technical field of pipeline connection, it on the periphery of pipeline body one end by being arranged the reducing portion as made of multiple thin bamboo strips used for weaving layers winding bonding, the external pipe that internal diameter is greater than pipeline body outer diameter is correspondingly connected with by reducing portion, and each thin bamboo strips used for weaving layer one end protrudes the end of matching connecting pin respectively, and with the increase of each thin bamboo strips used for weaving layer radius of gyration, the length of each thin bamboo strips used for weaving layer protrusion matching connecting pin end face increases, then bell-mouth structure of air is formed in the reducing portion of matching connecting pin end face side, obtain horn mouth bamboo winding reducer pipe.Above-mentioned reducer pipe structure is simple, preparation is easy, it can effectively realize that pipeline body matches connection with the biggish external pipe of internal diameter, reduce the application of special joint, the cost of reducing pipe connection is reduced, simplifies the process of construction, reduces the intensity of construction, guarantee leakproofness, stability and the safety of the connection of two reducing pipes, there is preferable application and popularization value.
Description
Technical field
The utility model belongs to technical field of pipeline connection, and in particular to a kind of horn mouth bamboo winding reducer pipe.
Background technique
In numerous technical fields, the application of pipeline is very extensive, and its application form is also very various.Traditional pipe
Road can often be divided into metallic conduit, plastic conduit, concrete duct and glass pipe etc., each tool because of the difference of its material
Standby different performance characteristics, different advantage and disadvantage are also presented: the bearing capacity such as metallic conduit is often higher, high temperature resistant, Yi Jia
Work, but often weight is larger, perishable, constructional difficulties and service life is general；The weight of plastic conduit is often relatively light, corrosion resistant
Erosion, it is easy to process, but heat resistance and bearing capacity is poor, rigidity is small and easy aging, service life are shorter；Glass pipe
Intensity is often higher, corrosion-resistant, and coefficient of friction is smaller, but in heavy caliber, bearing capacity is limited, is used for a long time and may analyse
Glass fibre out is also unfavorable for recycling, etc..
In view of this, people, which begin one's study, is different from the new-type pipeline of above-mentioned conventional pipelines, wherein just including bamboo winding pipe
Road usually obtains novel biology base using bamboo fibre as main reinforcing material to wind the form machine-shaping of bonding
Pipeline, this has related record, bamboo winding in 105715882 A of earlier application CN and 107696592 A of CN of the applicant
Pipeline refers mainly to compared with traditional various pipes, not only compressive resistance, rigidity, weight, anti-corrosion and insulation performance etc. are multinomial
Mark aspect show it is excellent, and raw material be renewable resource, the basic three-waste free discharge of production process, have low-carbon environment-friendly,
The features such as energy-saving and emission-reduction, These characteristics are based on, the application range of bamboo winding pipeline is more next extensively.
It in the use process of bamboo winding pipeline, is usually mutually butted with the pipeline of caliber, and the caliber of pipeline
Also it is generally standard size, so that the connection sealing of pipeline is higher；But in actual application, two are frequently encountered
Different tube diameters pipeline is come the case where docking, i.e., reducing pipe docks, in the prior art, for the place of reducing pipe docking
Reason mode is usually to use special joint to realize, the both ends of special joint are often provided with the interface of different tube diameters, with its point
It is not correspondingly connected with the pipeline of different tube diameters, although this processing mode can realize that reducing pipe docks to a certain extent, on
The special joint in processing mode to be stated to need to be customized according to the actual situation, preparation process is complicated, higher operating costs,
The application cost for increasing bamboo winding pipeline is connect, and the meeting of use of special joint, so that the tie point of pipeline connection increases, this is not
Only can working procedure be complicated, construction intensity increases, and it is poor to generate the hidden of leakage to be also easy to generation connection sealing
Suffer from, so that the application of bamboo winding pipeline has some limitations.
Utility model content
Aiming at the above defects or improvement requirements of the prior art, the utility model provides a kind of horn mouth bamboo winding variable diameter
Pipe, by the way that the reducing portion as made of multiple thin bamboo strips used for weaving layers winding bonding is arranged on cylindrical pipeline body one end periphery,
It is greater than the external pipe of pipeline body outer diameter by reducing portion Corresponding matching connection internal diameter, and each thin bamboo strips used for weaving layer one end protrudes matching respectively
The end of connecting pin, and with the increase of each thin bamboo strips used for weaving layer radius of gyration, the length of each thin bamboo strips used for weaving layer protrusion matching connecting pin end face increases
It is long, bell-mouth structure of air then is formed in the reducing portion of matching connecting pin end face side, so that after the matching docking of two reducing pipes,
Internal diameter of the pipeline does not mutate, and not only effectively realizes pipeline body and is connected to the matching of the biggish external pipe of internal diameter, reduces
The quantity of tie point in the usage quantity and pipeline connection procedure of special joint, during also effectively ensure that pipe applications
Stability, leakproofness and safety reduce the link cost of two reducing pipes, simplify working procedure, and it is difficult to reduce construction
Degree.
To achieve the above object, the utility model provides a kind of horn mouth bamboo winding reducer pipe, including by certain thickness
Thin bamboo strips used for weaving layer winding bonding forms and is in the pipeline body of circular tube structure, which is characterized in that
The both ends of the pipeline body are respectively first end and the second end, and the first end is matching connecting pin,
It is provided with reducing portion on its periphery, makes the pipeline body that can be greater than the pipeline body outer diameter with internal diameter by the reducing portion
External pipe coaxially match connection；And
The reducing portion includes the first winding layer for being close to the matching connecting pin outer peripheral surface setting, is close to be arranged described
The second winding layer on first winding layer periphery and the external layer being arranged on second winding layer periphery, wherein described
One end of one winding layer, second winding layer and the external layer protrudes from the end face of the matching connecting pin respectively, and each
The length that layer protrudes from the matching connecting pin end face increases with the increase of the radius of gyration, i.e., the described reducing portion is at described
Bell-mouth structure of air is formed with connecting pin end face side；And
The external layer is less than the radius of gyration of the other end away from one end radius of gyration of the second end, and described
The ring-shaped step structure with annular step surface is formed on the periphery of external layer, and the lesser radius of gyration is rigid on the external layer
Good corresponding with the internal diameter of the external pipe, then the lesser one end of the reducing portion radius of gyration can be described in coaxial sleeve imbeds
One end of external pipe, and the end face of the external pipe is abutted with the annular step surface on the reducing portion periphery, thus complete
Connection is matched with the coaxial of the external pipe at the pipeline body.
As a further improvement of the utility model, between first winding layer and second winding layer circumferentially
Winding bonding is provided at least one winding layer, and one end of each winding layer protrudes from the end face of the matching connecting pin respectively, and
The length that each winding layer protrudes from the end face increases with the increase of the radius of gyration.
The equal length or unequal of each winding layer as a further improvement of the utility model,.
The length of each winding layer is unequal as a further improvement of the utility model, and each winding layer leans on
The side difference of the nearly the second end is concordant.
The length of each winding layer is unequal as a further improvement of the utility model, and each winding layer leans on
The side difference of the nearly the second end is concordant.
As a further improvement of the utility model, along ring on the outer peripheral surface of described external smaller one end of the layer radius of gyration
To offering at least one seal groove in a ring, and the corresponding seal groove is provided with the sealing ring therein that can be nested.
In general, have the above technical solutions conceived by the present invention are compared with the prior art, with following
Beneficial effect:
(1) the horn mouth bamboo of the utility model winds reducer pipe, by cylindrical pipeline body one end periphery
Upper setting reducing portion as made of multiple thin bamboo strips used for weaving layers winding bonding, is greater than outside pipeline body by reducing portion Corresponding matching connection internal diameter
The external pipe of diameter effectively realizes pipeline body and is connected to the matching of the biggish external pipe of internal diameter, reduces special joint
Usage quantity and pipeline connection procedure in tie point quantity, reduce the link cost of two reducing pipes, simplify construction
Process improves the leakproofness and safety of pipeline connection；
(2) the horn mouth bamboo of the utility model winds reducer pipe, each thin bamboo strips used for weaving layer one end in reducing portion prominent respectively
End with connecting pin, and with the increase of each thin bamboo strips used for weaving layer radius of gyration, the length of each thin bamboo strips used for weaving layer protrusion matching connecting pin end face
Increase, then form bell-mouth structure of air in the reducing portion of matching connecting pin end face side, so that the matching docking of two reducing pipes
Afterwards, internal diameter of the pipeline does not mutate, but realizes that the caliber of two reducing pipes connects by consecutive variations, and it is different to effectively improve two
The stability and safety applied after the connection of diameter pipeline；
(3) the horn mouth bamboo of the utility model winds reducer pipe, by the outermost external layer periphery in reducing portion
Step structure with annular step surface is set, so that external lesser one end of the layer radius of gyration can coaxially be matched into external pipe
In, and with the end face of step surface abutting external pipe in a ring, realize effective limit of two pipelines connection, and further promoted
The leakproofness of connection reduces the generation of leakage hidden danger；
(4) the horn mouth bamboo of the utility model winds reducer pipe, by the outer of external smaller one end of the layer radius of gyration
The seal groove that at least one is in circular ring shape is opened up on circumferential surface, and sealing ring is arranged in the corresponding seal groove, so that sealing ring can correspond to
It matches in embedding sealing slot, to further promote the leakproofness of two pipelines connection by multiple sealing rings, guarantees pipe applications
Safety；
(5) the horn mouth bamboo of the utility model winds reducer pipe, and structure is simple, and preparation is easy, controllability and adjustability
By force, it can effectively realize that bamboo winding pipeline matches connection with the biggish external pipe of internal diameter, the application of special joint be reduced, thus greatly
The big cost for reducing the connection of two reducing pipes, simplifies the process of construction, reduces the intensity of construction, guarantees the connection of two reducing pipes
Leakproofness, stability and safety have preferable application and popularization value.
Detailed description of the invention
Fig. 1 is the step flow diagram of the preparation method of horn mouth bamboo winding reducer pipe in the utility model embodiment；
Fig. 2 is the pipeline configuration signal of the horn mouth bamboo winding reducer pipe prepared in the preferred embodiment in the utility model one
Figure；
Fig. 3 is the pipeline configuration signal of the horn mouth bamboo winding reducer pipe prepared in the preferred embodiment in the utility model two
Figure；
Fig. 4 is the pipeline configuration signal of the horn mouth bamboo winding reducer pipe prepared in the preferred embodiment in the utility model three
Figure；
In all the appended drawings, same appended drawing reference indicates identical technical characteristic, specifically: 1. reducing portions, 101. the
One winding layer, 102. second winding layers, 103. third winding layers, 104. external layers, 105. seal grooves, 2. pipeline bodies.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
As long as in addition, technical characteristic involved in the various embodiments of the present invention described below each other it
Between do not constitute conflict and can be combined with each other.
Horn mouth bamboo winding reducer pipe in the preferred embodiment in the utility model is as shown in Fig. 2~4, wherein bamboo winding
Reducer pipe includes the pipeline body 2 in round tube latus rectum form, and the internal diameter that 2 each sections of pipeline body is all the same, and both ends can be made respectively
For first end and the second end, and its first end is matching connecting pin, can be used for connecting the outside that internal diameter is greater than its outer diameter
Pipeline is provided with reducing portion 1 on the periphery of first end.
Further, it is preferable to which the pipeline body 2 of bamboo winding reducer pipe is as shown in Fig. 2~4 in embodiment, for certain
The through-pipe structure of size internal diameter and outer diameter is preferably bonded by the winding of bamboo wood material, and the pipeline body 2 in preferred embodiment can
To be wound around the tube-shaped structure of single layer thin bamboo strips used for weaving material formation, the round tube of formation is bonded after being also possible to thin bamboo strips used for weaving material winding multilayer
Shape structure, and the winding layer thickness based on thin bamboo strips used for weaving material can carry out preferably according to the actual situation, this will not be repeated here；Into one
Preferably, the pipeline body 2 in preferred embodiment can be multilayer material winding and bonds step, based on thin bamboo strips used for weaving material
Basal layer, filled layer of the basal layer periphery based on straw, stalk, external protection coating or external protection of filled layer periphery etc.,
It is formed by the way that the bonding of multilayer material is firm, to form the pipe body structures of multilayer, this is not the research emphasis of this patent,
So this will not be repeated here.
In addition, ectonexine can be correspondingly arranged corresponding structure sheaf according to the difference of 2 application scenarios of pipeline body, such as exist
When as piping lane, pipeline, liner layer and/or the outer peripheral surface in pipeline body 2 are set preferably on the inner peripheral surface of pipeline body 2
The setting of upper setting external protection coating, above-mentioned functional layer can realize that is, first circumferentially winding is viscous in the preparation process of pipeline body 2
Knot setting one forms liner layer, then the base in liner layer by certain thickness pocket gauze, fibrofelt or non-woven fabrics winding bonding
Certain thickness thin bamboo strips used for weaving layer is arranged in winding bonding on plinth, forms the main structure of pipeline body 2, then can also be in main structure
Certain thickness non-woven fabrics is arranged in winding bonding on periphery or pocket gauze is applied as adhesion layer, and on the adhesion layer outer surface
Certain thickness water-repellent paint, fireproof coating and anticorrosive paint are brushed, the external protection coating of main structure periphery is formed, this is not also this
The research emphasis of utility model, so also do not repeat them here herein.
Further, it is preferable to which one end of the pipeline body 2 in embodiment needs and the biggish external pipe progress of internal diameter
With connection, which is referred to as to the matching connecting pin of pipeline body 2；It further, is the direct of two reducing pipes of realization
Connection, is provided with reducing portion 1 on the matching connecting pin of pipeline body 2 in a preferred embodiment, larger by reducing portion 1 and internal diameter
External pipe coaxially match connection, the reducing portion 1 in the preferred embodiment in the utility model is closely wound viscous by multilayer material
It ties.
In preferred embodiment one, horn mouth bamboo winds the reducing portion 1 of reducer pipe as shown in Figure 2, is arranged in pipeline
On the matching connecting pin periphery of ontology 2；Further, it is preferable to which the reducing portion 1 in embodiment includes the first winding layer 101 and setting
The second winding layer 102 on 101 periphery of the first winding layer, the first being arranged circumferentially along pipeline body 2 of winding layer 101, one
End is winding end, and the inner peripheral wall for winding end is close to the periphery wall of pipeline body 2, is preferably connected between the two with binder is firm
It connects, and the other end of the first winding layer 101 is jag, the end face of the prominent matching connecting pin of the jag.
Further, second is provided on one end periphery that the first winding layer 101 protrudes from matching connecting pin end face to twine
Winding layer 102, the both ends of the second winding layer 102 are also respectively jag and winding end, and winding end tight bond is arranged first
On the periphery of winding layer 101, and its jag protrudes from the end face of 101 jag of the first winding layer；In a preferred embodiment,
The length of two winding layers 102 is preferably identical as the length of the first winding layer 101, i.e. the winding end and second of the first winding layer 101
The winding end of winding layer 102 can matching connecting pin periphery on formed ring-shaped step structure, and the jag of two winding layers with
The end part combination for matching connecting pin forms the protrusion structure with bell shape.
It is further preferred that being also circumferentially provided with third winding between the first winding layer 101 and the second winding layer 102
Layer 103 preferably includes winding end and jag, wherein the winding end of third winding layer 103 is arranged in the first winding layer 101
Jag periphery on, and its jag protrudes from the jag end face of the first winding layer 101, but third winding layer 103 is prominent
Outlet does not protrude from the jag end face of the second winding layer 102, and can then be formed on the outer peripheral surface of matching connecting pin has loudspeaker
The protrusion structure of mouth-shaped；Certainly, between the first winding layer 101 and third winding layer 103, and/or the second winding layer 102
One winding layer can be at least set between third winding layer 103, and the jag of each winding layer successively protrudes from its wrapped inside
The jag of layer, to form the continuous circular shape Step-edge Junction formed by each winding layer jag in the side of matching connecting pin end
Structure forms bell-mouth structure of air in the end of matching connecting pin, as shown in Fig. 2~4.
Further, on the periphery of the second winding layer 102 circumferentially winding be provided with an external layer 104, as Fig. 2~
Shown in 4, one end of external layer 104 preferably protrudes from the jag of the second winding layer 102, certainly, the end of the external layer 104
Can also be concordant with the jag end of the second winding layer 102, or the jag end face of the second winding layer 102 is not protruded from；Into
One step, it circumferentially cut on one end periphery of the external layer 104 away from the second end, polish off certain thickness, formation has
The overlap joint platform of circular step structure, and the radius of gyration minimum value of the external layer 104 after polishing just corresponds to the interior of external pipe
Diameter, then reducing portion 1 can be imbedded in external pipe by overlapping platform coaxial sleeve, and to overlap on platform along 2 radial direction of pipeline body
Annular step surface abuts the connecting pin end face of external pipe, to play the role of limit；It is further preferred that in external layer
At least one seal groove 105 is circumferentially offered on periphery wall surface after 104 polishing certain thickness, when seal groove 105 is multiple
When, it is axially spaced apart on the periphery of external layer 104, as shown in Figure 2, correspondingly, sealing ring point can be correspondingly arranged
It Tao not imbed in each seal groove 105, thus the connection sealing in service hoisting reducing portion 1 and external pipe.
In above preferred embodiment one, the equal length of the first winding layer 101 and the second winding layer 102, and two windings
Each winding layer between layer also equal length with the first winding layer 101 respectively, i.e., can be respectively formed in the interior outside in reducing portion 1
Continuous circular step structure；Certainly, the length of each winding layer can also be different in other preferred embodiment, such as in such as Fig. 3
Shown in preferred embodiment two, the length of each winding layer is sequentially increased with the increase of the radius of gyration, and each winding layer
It is concordant to wind end end difference, i.e., forms continuous ring-shaped step structure in reducing portion 1, thus in the end of matching connecting pin
The connection structure of side formation bell shape；It is further preferred that in preferred embodiment three, to guarantee each winding layer winding
The stability of bonding, jag length is much smaller than the length for winding end, and the winding end end of each winding layer does not protrude matching
The end face of connecting pin, as shown in Figure 4,
It is further preferred that each winding layer in each preferred embodiment of the utility model is respectively preferably thin bamboo strips used for weaving layer, lead to
It crosses and weaves, winds and be bonded to bamboo winding reducer pipe structure, the thickness and length of each winding layer can carry out excellent according to the actual situation
Choosing, this will not be repeated here.
Further, the horn mouth bamboo winding reducer pipe in the preferred embodiment in the utility model is prepared preferably by cylindrical shape
Mold complete, steps flow chart schematic diagram is as shown in fig. 1, and specifically, bamboo winds the preparation method of reducer pipe preferably such as
Shown in lower:
S1: mold prepares: preparing cylindrical mold, guarantees the periphery wall surface cleaning of mold, and in the periphery of mold
At least one layer of mould release film is wound on wall surface, with the demoulding for bamboo winding reducer pipe；
S2: the preparation of pipeline body 2: winding bonds certain thickness thin bamboo strips used for weaving layer, shape on the mould release film periphery of mold
At the pipeline body of bamboo winding reducer pipe；Certainly, according to the difference of 2 application scenarios of pipeline body, such as it is used as piping lane, pipeline,
Liner layer is set preferably on the inner peripheral surface of pipeline body 2 and/or external protection coating is set on the outer peripheral surface of pipeline body 2,
The setting of above-mentioned functional layer can be realized in the preparation process of pipeline body 2, such as on the basis of step S1, first wind in one layer
Lining, then winding bonding setting thin bamboo strips used for weaving layer on the basis of liner layer, form the main structure of pipeline body 2, and in main body knot
Certain thickness external protection coating is arranged in winding bonding on the periphery of structure, this is not the research emphasis of the utility model, so herein
It does not repeat them here；
S3: determining size and the position in reducing portion 1 according to the internal diameter of external pipe, then determines the number of plies and the of winding layer
The thickness of three winding layers；
S4: it the preparation in reducing portion 1: is circumferentially twined on one end periphery wall surface that pipeline body 2 is used to connect external pipe
Around the first winding layer 101 of bonding, one end of the first winding layer 101 is bonded in matching connecting pin periphery, and the other end protrudes from
End face with connecting pin, and the second winding layer 102 of winding bonding on the periphery wall surface of the first winding layer 101, the second winding layer
102 one ends wound is on the outer peripheral surface of the first winding layer 101, the end face of the prominent matching connecting pin of the other end, and second twines
Winding layer 102 protrudes the length of matching connecting pin end face greater than the prominent length for matching connecting pin end face of the first winding layer 101, and
It is even more that third winding layer 103 is provided between the first winding layer 101 and the second winding layer 102 in preferred embodiment
Winding layer, until the radius of gyration of the second winding layer 102 meets the setting in step S3, and each winding layer is with the radius of gyration
Increase, protrude from matching connecting pin end face length be sequentially increased, i.e., bell-mouth structure of air is formed in reducing portion 1, then
In the periphery of the second winding layer, certain thickness external layer 104 is arranged in winding, forms the reducing portion 1 on matching connecting pin periphery；
S5: carrying out drying forming for pipeline body 2 and reducing portion 1, then in external layer 104 for connecting external pipe
One end circumferentially cuts on periphery, certain thickness of polishing, and forms the overlap joint platform with ring-shaped step structure, and to overlap platform
Radius of gyration minimum value is corresponding with the internal diameter of external pipe, so that pipeline body 2 can be with the coaxially connected exterior tube in reducing portion 1
Road, and the end periphery wall surface after the polishing of external layer 104 can be close to the inner peripheral wall of external pipe connecting pin；
S6: matched in external layer 104 with external pipe in preferred embodiment offered on the end periphery wall surface of connection it is more
A seal groove 105 in a ring, the axially spaced setting on the periphery wall surface of external layer 104 of multiple seal grooves 105 are each to seal
It can be correspondingly arranged sealing ring in slot 105, finally remove from the mold the bamboo formed winding reducer pipe, to complete bamboo winding
The preparation of reducer pipe.
Horn mouth bamboo in the utility model winds reducer pipe, by one end periphery of the pipeline body 2 of circular tube shaped
Setting reducing portion 1 as made of multiple cricoid thin bamboo strips used for weaving layer winding bondings, the outermost in reducing portion 1 is external layer 104, external layer
Multiple winding layers are provided between 104 and the outer peripheral surface of pipeline body 2, one end of each winding layer protrudes matching connecting pin respectively
End face, and with the increase of the radius of gyration, the length of the prominent matching connecting pin end face of each winding layer is sequentially increased, so in reducing
The inner space of bell shape is formed in portion 1, so that pipeline body is connect with the external pipe that internal diameter is greater than its outer diameter
Afterwards, the inner space of two pipelines can be realized by bell-mouth structure of air and be docked, and avoid internal diameter of the pipeline after reducing pipe connects
Mutation increases the stability of reducing pipe connection；In addition, in external layer 104 outside the end outstanding of the second winding layer 102
Circumferentially cutting polishing certain thickness, formation have the overlap joint platform of circular step structure, and the external layer after cutting polishing on week
104 radius of gyration minimum value and the internal diameter of external pipe match, so as to be realized by the external layer 104 in reducing portion 1
The coaxial matching of pipeline body 2 and external pipe connects, and overlap platform structure setting can further riser tubing it is matched
Leakproofness.
Bamboo in the utility model winds reducer pipe, and preparation method is simple, easy making process, can be by pipeline body
It matches and reducing portion is set on connecting pin, connection is matched with external pipe by reducing portion, so as to not by the feelings of special joint
Under condition, effectively realizes the matching connection of two reducing pipes, the cost of reducing pipe connection is not only greatly reduced, also effectively reduces
Tie point quantity in reducing pipe connection procedure, the process for simplifying construction reduce the intensity of construction, are effectively ensured
The leakproofness and stability of reducing pipe connection, have preferable application and popularization value.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of horn mouth bamboo winds reducer pipe, the pipe including forming by certain thickness thin bamboo strips used for weaving layer winding bonding and being in circular tube structure
Road ontology (2), which is characterized in that
The both ends of the pipeline body (2) are respectively first end and the second end, and the first end is matching connecting pin,
It is provided with reducing portion (1) on periphery, makes the pipeline body (2) pipeline can be greater than with internal diameter by the reducing portion (1)
The external pipe of ontology (2) outer diameter coaxially matches connection；And
The reducing portion (1) include be close to it is described matching connecting pin outer peripheral surface setting the first winding layer (101), be close to setting exist
The second winding layer (102) and setting on first winding layer (101) periphery is on the second winding layer (102) periphery
External layer (104), wherein first winding layer (101), second winding layer (102) and the external layer (104)
One end protrude from respectively it is described matching connecting pin end face, and each layer protrude from it is described matching connecting pin end face length with return
Turn the increase of radius and increase, i.e., the described reducing portion (1) forms bell-mouth structure of air in the matching connecting pin end face side；And
The external layer (104) is less than the radius of gyration of the other end away from one end radius of gyration of the second end, and in institute
The ring-shaped step structure for being formed on the periphery of external layer (104) and there is annular step surface is stated, and smaller on the external layer (104)
The radius of gyration it is just corresponding with the internal diameter of the external pipe, then lesser one end of reducing portion (1) radius of gyration
Can coaxial sleeve imbed one end of the external pipe, and it is outer with the annular step surface on reducing portion (1) periphery to abut this
The end face of portion's pipeline matches connection with the coaxial of the external pipe to complete the pipeline body (2).
2. horn mouth bamboo according to claim 1 winds reducer pipe, wherein in first winding layer (101) and described
Circumferentially winding bonding is provided at least one winding layer between second winding layer (102), and one end of each winding layer protrudes respectively
In the end face of the matching connecting pin, and each winding layer protrudes from the length of the end face and increases with the increase of the radius of gyration.
3. horn mouth bamboo according to claim 1 or 2 winds reducer pipe, wherein the equal length of each winding layer or
Person is unequal.
4. horn mouth bamboo according to claim 3 winds reducer pipe, wherein the length of each winding layer is unequal, and
Each winding layer is concordant close to the side of the second end difference.
5. horn mouth bamboo according to claim 3 winds reducer pipe, wherein the equal length of each winding layer, and institute
It states and forms continuous ring-shaped step structure on the periphery of reducing portion (1).
6. horn mouth bamboo according to claim 1 or 2 winds reducer pipe, wherein in external layer (104) radius of gyration
At least one seal groove (105) in a ring, and the corresponding seal groove are circumferentially offered on the outer peripheral surface of smaller one end
(105) it is provided with the sealing ring therein that can be nested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820813659.2U CN208281654U (en) | 2018-05-29 | 2018-05-29 | A kind of horn mouth bamboo winding reducer pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820813659.2U CN208281654U (en) | 2018-05-29 | 2018-05-29 | A kind of horn mouth bamboo winding reducer pipe |
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| CN208281654U true CN208281654U (en) | 2018-12-25 |
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| CN201820813659.2U Active CN208281654U (en) | 2018-05-29 | 2018-05-29 | A kind of horn mouth bamboo winding reducer pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108687900A (en) * | 2018-05-29 | 2018-10-23 | 浙江鑫宙竹基复合材料科技有限公司 | Horn mouth bamboo winds the reducer pipe of its preparation of the preparation method and application of reducer pipe |
-
2018
- 2018-05-29 CN CN201820813659.2U patent/CN208281654U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108687900A (en) * | 2018-05-29 | 2018-10-23 | 浙江鑫宙竹基复合材料科技有限公司 | Horn mouth bamboo winds the reducer pipe of its preparation of the preparation method and application of reducer pipe |
| CN108687900B (en) * | 2018-05-29 | 2023-05-09 | 中林鑫宙竹缠绕发展有限公司 | Preparation method of bell mouth bamboo winding reducer pipe and reducer pipe prepared by using same |
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Effective date of registration: 20230210 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: 311115 No.6 Xiuyan Road, Fengdu village, Pingyao Town, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG XINZHOU BAMBOO-BASED COMPOSITES TECHNOLOGY Co.,Ltd. Patentee before: Ye Ling |
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