CN207777797U - A kind of multilayer make-up connection continuous winding composite pipe - Google Patents

Abstract

The utility model discloses a kind of multilayer make-up connection continuous winding composite pipe, including at least inner plating band and lamina rara externa band, inner plating band and lamina rara externa band spiral winding, inner plating band and the long strip bulge portion of lamina rara externa band logical are mutually chimeric with strip invagination groove, are also interlockingly connected with docking recess by docking protrusion between inner plating band and lamina rara externa band.Further, lamina rara externa is also associated with stiffener plate with the outer surface after spiral winding, bellows is formed by stiffener plate, further, it is connected by transition zone strip between the inner plating band and lamina rara externa band, transition zone strip and inner plating band and lamina rara externa band spiral winding simultaneously, transition zone strip is mutually chimeric with strip invagination groove with inner plating band and the long strip bulge portion of lamina rara externa band logical respectively, is interlockingly connected with docking recess by the way that docking is raised.It is firmly combined between each strip layer of the utility model, effectively improves the ring stiffness and stress levels of continuous winding composite pipe, and easily fabricated, be easily formed series of products.

Description

A kind of multilayer make-up connection continuous winding composite pipe

Technical field

The utility model is related to pipeline manufacturing technology field, especially a kind of multilayer make-up connects continuous winding composite pipe.

Background technology

Now, there is a kind of plastic tube being entwined by strip proximate matter continuous helical continuous winding pipe, its main feature is that The pipeline of various bores, and the pipeline larger particularly suitable for manufacture bore can be flexibly made without mold, be applied to plumbing Field, compared with conventional cement pipe and iron pipe, with light-weight, connector is few, easy for construction, good environmental protection, service life The advantages that long, is used widely in various water supply and sewage work at present.

But because of wound plastic tube self structure problem, the winding pipe being entwined with proximate matter using conventional panels cannot be applied In elevated pressures grade or compared with the occasion of high ring rigidity grade.In order to improve the ring stiffness and pressure rating of winding pipe, for one The larger pipeline of a little bores, existing way are Wrapping formed using the progress of multi-layer board band.But this molding structure, strip and plate It is difficult to reliable connection between band, tube wall globality is poor, and the integral strength of pipeline promotes unobvious, the increase of material and intensity It is promoted and is mismatched.

Disclose that a Patent No. ZL200610031153.8, entitled " a kind of winding of fiber is compound on July 25th, 2007 The application for a patent for invention of material conduit ", structural pipe wall are designed as interior winding layer [1], mid-wrap layer [2], outer wrap [3].Mid-wrap layer [2] is made of thermoplastic composite, interior winding layer [1], outer wrap [3] by long fibre and/it is continuous Fiber reinforced thermolplastic or same with thermosetting compound material composition.This pipeline is mainly multiple by the thermoplasticity of mid-wrap layer [2] Condensation material connects interior winding layer [1] and outer wrap [3], to overcome the problems, such as that heavy caliber plastic pipeline ring stiffness is poor, but Its making is more troublesome, and manufacturing cost is also higher.

Utility model content

The technical problem to be solved by the present invention is to provide a kind of multilayer make-ups to connect continuous winding composite pipe, Qi Geban It is combined more securely between belt, effectively improves the ring stiffness and stress levels of coiled composite tube, and easily fabricated, be easily formed Series of products.

In order to achieve the above objectives, the technical solution of the utility model is：A kind of multilayer make-up connection continuous winding composite pipe, Including at least inner plating band and lamina rara externa band, inner plating band and lamina rara externa band spiral winding, the inner plating band includes strip The lower part of internal layer plate-like body, internal layer plate-like body side is outward extended with lower extension, and lower extension upper surface is equipped at least One strip the first snapping protrusion, internal layer plate-like body lower face are equipped at least one strip the far from lower extension side One snapping groove, when inner plating is with spiral wound, the first snapping protrusion on inner plating band is buckled with first on inner plating band Connect fit depressions；

The lamina rara externa band includes strip outer layer plate-like body, and the lower part of outer layer plate-like body side is outward extended with down Extension, lower extension upper surface are equipped at least one strip the first snapping protrusion, and outer layer plate-like body lower face is far under Extension side is equipped at least one strip the first snapping groove；When lamina rara externa band spiral wound, the on lamina rara externa band One snapping protrusion and the first snapping fit depressions on lamina rara externa band；

Internal layer plate-like body lower face is equipped at least one strip invagination groove, is set on strip invagination groove Have docking protrusion, outer layer plate-like body upper surface be equipped at least one strip lug boss, strip lug boss it is upper Portion is provided with docking recess；Or internal layer plate-like body upper surface is equipped at least one strip invagination groove, strip The groove that invaginates is equipped with docking protrusion, and outer layer plate-like body lower face is equipped at least one strip lug boss, strip When the top of shape lug boss is provided with docking recess, inner plating band and lamina rara externa band while spiral wound, on lamina rara externa band Strip lug boss is embedded in the strip on inner plating band and invaginates groove, in the docking protrusion and lamina rara externa band on inner plating band Docking recess is interlockingly connected；

Or internal layer plate-like body lower face is equipped at least one strip lug boss, the top of strip lug boss It is provided with docking recess, outer layer plate-like body upper surface is equipped at least one strip and invaginates groove, pouch in strip Trench bottom is equipped with docking protrusion；Or internal layer plate-like body upper surface is equipped at least one strip lug boss, strip The top of lug boss is provided with docking recess, and outer layer plate-like body lower face is equipped at least one strip invagination groove, When strip invaginates bottom portion of groove equipped with protrusion, inner plating band and lamina rara externa band while spiral wound is docked, on inner plating band Strip lug boss insertion lamina rara externa band on strip invaginate groove, the docking protrusion on lamina rara externa band on inner plating band Docking recess be interlockingly connected.

It is further improved, the internal layer plate-like body end face is equipped at least one first and fills slot, the first filling slot In be filled with the first enhancing structure layer, the inner wall Joint of the first enhancing structure layer and the first filling slot, the first enhancing structure layer Elasticity modulus be more than internal layer plate-like body elasticity modulus.As internal layer plate-like body can be contour by PVC or PE or PPR or ABS Molecule plastics are constituted, and the first enhancing structure layer can be made of unsaturated-resin and glass fibre.In this way can on inner plating band shape At reinforcing rib, the ring stiffness of pipeline after winding is improved.

It is further improved, the outer layer plate-like body end face is equipped at least one second and fills slot, the second filling slot In be filled with the second enhancing structure layer, the inner wall Joint of the second enhancing structure layer and the second filling slot, the second enhancing structure layer Elasticity modulus be more than outer layer plate-like body elasticity modulus.As outer layer plate-like body can be contour by PVC or PE or PPR or ABS Molecule plastics are constituted, and the second enhancing structure layer can be made of unsaturated-resin and glass fibre.In this way can on lamina rara externa band shape At reinforcing rib, the ring stiffness of pipeline after winding is improved.

It being further improved, the top of the first snapping protrusion on the inner plating band is equipped with the first sealing strip installation groove, First sealing strip is housed, the first sealing strip is clipped in the first sealing strip installation groove and inner plating band in the first sealing strip installation groove On the first snapping groove between；

The top of the first snapping protrusion on the lamina rara externa band is equipped with the first sealing strip installation groove, the first sealing strip peace It fills and the first sealing strip is housed in groove, the first sealing strip is clipped in the first sealing strip installation groove and the first snapping on lamina rara externa band Between groove.The sealing performance of pipe wall after winding, the stress levels of riser tubing can be preferably improved in this way.

It is further improved, the top of the internal layer plate-like body other side is outward extended with extension, upper extension At least one strip the second snapping protrusion is arranged below, internal layer plate-like body upper surface is equipped at least far from upper extension side One the second snapping groove, when inner plating is with spiral wound, in the second snapping protrusion and inner plating band on inner plating band Second snapping fit depressions；

The lower part of the second snapping protrusion on the inner plating band is equipped with the second sealing strip installation groove, the second sealing strip peace It fills and the second sealing strip is housed in groove, the second sealing strip is clipped in the second sealing strip installation groove and the second snapping on inner plating band Between groove；

The top of the outer layer plate-like body other side is outward extended with extension, is equipped at least below upper extension One strip the second snapping protrusion, outer layer plate-like body upper surface is equipped at least one second snapping far from upper extension side Groove, when inner plating is with spiral wound, the second snapping protrusion on lamina rara externa band and the second snapping groove on lamina rara externa band It matches；

The lower part of the second snapping protrusion on the lamina rara externa band is equipped with the second sealing strip installation groove, the second sealing strip peace It fills and the second sealing strip is housed in groove, the second sealing strip is clipped in the second sealing strip installation groove and the second snapping on lamina rara externa band Between groove inner wall.

Pass through the second snapping protrusion and the second snapping fit depressions on inner plating band, lamina rara externa band on inner plating band On the second snapping protrusion and lamina rara externa band on the second snapping fit depressions；It can further improve the axial direction of pipeline after winding The bending resistance of bond strength and pipeline；It can further improve the sealing performance of pipe wall after winding by the second sealing strip, The stress levels of riser tubing.

It is further improved, the lamina rara externa is also associated with stiffener plate, the lamina rara externa with the outer surface after spiral winding Shape ontology end face corresponding with stiffener plate is equipped with multiple docking recess, and the stiffener plate includes long strip shape body, should Plate body end face is equipped at least one strip docking protrusion；It is convex that plate body other end is equipped at least one strip Portion, strip docking protrusion in stiffener plate and the docking recess on lamina rara externa band are interlockingly connected cooperation.By in stiffener plate Protrusion convenient for forming bellows, further increase the ring stiffness of pipeline after winding.

Further, the middle part of the protrusion is equipped with third and fills slot, and third increasing is filled in the third filling slot of protrusion Strong structure layer, the inner wall Joint of third enhancing structure layer and third filling slot, the elasticity modulus of third enhancing structure layer are more than The elasticity modulus of the protrusion.Such as protrusion can be made of PVC or PE or PPR or ABS high molecule plastics, third enhancing structure layer It can be made of unsaturated-resin and glass fibre.Convenient for forming reinforcing rib on protrusion.

Further, it is all provided on the third filling slot cross section both sides inner wall fluted；The mouth of the third filling slot Portion is cased with block, and block is interlockingly connected with the part recess on third filling slot inner wall.It is convenient for third enhancing structure layer by block Curing molding, improve production efficiency.Block can also form a reinforcing rib part, promote product aesthetics.

It is further improved, the strip outer layer plate-like body is equipped at least one length far from one side end face of inner plating band Bar shaped convex rib part.The ring stiffness of winding bellows can be further increased after winding in this way with straight forming ripple winding pipe.

It is further improved, is connected by transition zone strip between the inner plating band and lamina rara externa band, the transition zone Strip includes strip transition zone plate-like body, and the lower part of transition zone plate-like body side is outward extended with lower extension, downward Extending portion upper surface is equipped at least one strip the first snapping protrusion, and transition zone plate-like body lower face is far from lower extension side Equipped at least one strip the first snapping groove, when transition zone strip spiral wound, the first snapping in transition zone strip Protrusion and the first snapping fit depressions in transition zone strip；

The transition zone plate-like body end face is equipped at least one strip lug boss, the top of strip lug boss It is provided with docking recess, transition zone plate-like body other end is equipped at least one strip invagination groove, strip The groove that invaginates is equipped with docking protrusion；When inner plating band, transition zone strip and lamina rara externa band while spiral wound, transition laminate The strip lug boss taken is embedded in the strip invagination groove on inner plating band, the docking protrusion on inner plating band and transition zone Docking recess in strip is interlockingly connected, pouch in the strip in strip lug boss insertion transition zone strip on lamina rara externa band Slot, the docking protrusion in transition zone strip are interlockingly connected with the docking recess on lamina rara externa band；Or the strip on inner plating band is convex The portion of rising is embedded in the strip invagination groove in transition zone strip, the docking protrusion in transition zone strip and docking on inner plating band Groove is interlockingly connected, the strip invagination groove on strip lug boss insertion lamina rara externa band in transition zone strip, lamina rara externa band On docking protrusion be interlockingly connected with the docking recess in transition zone strip.It can further riser tubing by adding transition zone strip Ring stiffness and stress levels.And transition zone strip can also add as multilayer, to meet different clients to tube performance and purposes Different demands.

Further, the first snapping convex upper portion of the transition zone strip be equipped with the first sealing strip installation groove, first First sealing strip is housed, the first sealing strip is clipped in the first sealing strip installation groove and transition zone strip in sealing strip installation groove The first snapping groove inner wall between；

The top of the transition zone plate-like body other side is outward extended with extension, is equipped with extremely below upper extension A few strip the second snapping protrusion, transition zone plate-like body upper surface is equipped at least one second far from upper extension side Snapping groove, when transition zone strip spiral wound, the second snapping protrusion in transition zone strip and the in transition zone strip Two snapping fit depressions；

The lower part of the second snapping protrusion in the transition zone strip is equipped with the second sealing strip installation groove, the second sealing strip Second sealing strip is housed, the second sealing strip is clipped in the second sealing strip installation groove and second in transition zone strip in installation groove Between snapping groove inner wall；

The transition zone plate-like body end face is equipped at least one 4th and fills slot, and the is filled in the 4th filling slot Four enhancing structure layers, the inner wall Joint of the 4th enhancing structure layer and the 4th filling slot, the elasticity modulus of the 4th enhancing structure layer More than the elasticity modulus of transition zone plate-like body.

The utility model passes through the strip lug boss and strip invagination groove phase between inner plating band and lamina rara externa band It is chimeric, the axial direction bond strength of pipeline after winding can be effectively improved, the docking protrusion between inner plating band and lamina rara externa band is passed through Be interlockingly connected with docking recess, can effectively improve winding after pipeline radial bond strength, therefore between its each strip layer combine compared with It is secured, effectively increases the ring stiffness and stress levels of coiled composite tube.

On the other hand, the utility model further fills enhancing structure layer on each strip layer, is neatly set on tube wall Reinforcing rib is set, the ring stiffness and stress levels of coiled composite tube are further increased.

In addition, the utility model reaches easily fabricated by reasonable setting structure, the lower technique effect of manufacturing cost； The selection of each strip layer material and number of plies selection of the utility model are more flexible, can be combined into according to properties of product, purposes requirement Meet different technologies, performance indicator series of ducts product.The utility model is resistance to particularly suitable for making high rigidity, height Pressure, light-weight, heavy caliber water supply and sewerage pipeline product.

Description of the drawings

Fig. 1 is axial sectional view of the first embodiment of the utility model by central axis；

Fig. 2 is enlarged drawing at the A of Fig. 1；

Fig. 3 is the transverse sectional view of the first embodiment inner plating band of the utility model；

Fig. 4 is the transverse sectional view of the first embodiment lamina rara externa band of the utility model；

Fig. 5 is the transverse sectional view of the first embodiment stiffener plate of the utility model；

Fig. 6 is the partial sectional view of second of embodiment tube wall of the utility model；

Fig. 7 is the transverse sectional view of second of embodiment stiffener plate of the utility model；

Fig. 8 is the partial sectional view of the third embodiment tube wall of the utility model；

Fig. 9 is the axial sectional view that the 4th kind of embodiment of the utility model passes through central axis；

Figure 10 is enlarged drawing at the B of Fig. 9；

Figure 11 is the transverse sectional view of the 4th kind of embodiment transition zone strip of the utility model；

Figure 12 is the axial sectional view that the 5th kind of embodiment of the utility model passes through central axis；

Figure 13 is enlarged drawing at the C of Figure 12；

Figure 14 is the partial sectional view of the 6th kind of embodiment tube wall of the utility model；

Figure 15 is the transverse sectional view of the 6th kind of embodiment lamina rara externa band of the utility model.

Specific implementation mode

The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.

Shown in embodiment one, Fig. 1 to Fig. 5, a kind of multilayer make-up connection continuous winding composite pipe, including 10 He of inner plating band Lamina rara externa band 20,20 spiral winding of inner plating band 10 and lamina rara externa band.

The inner plating band 10 includes that the lower part of the sides strip internal layer plate-like body 10a, internal layer plate-like body 10a is outside It is extended with lower extension 11,11 upper surface of lower extension sets that there are one the first snapping of strip protrusions 2, and the first snapping protrusion 2 is leaned on It is equipped with reducing diameter part 2a at nearly lower extension 11, the internal layer lower faces plate-like body 10a set that there are one long far from 11 side of lower extension The first snapping of bar shaped groove 21, when inner plating 10 spiral wound of band, the first snapping protrusion 2 on inner plating band 10 and inner plating It is matched with the first snapping groove 21 on 10；

The top of the other sides internal layer plate-like body 10a is outward extended with extension 12, below upper extension 12 If there are one the second snapping of strip protrusion 3, the second snapping protrusion 3 is equipped with reducing diameter part 3a, inner plating at upper extension 12 The shape upper surfaces ontology 10a are set far from 12 side of upper extension there are one the second snapping groove 31,10 spiral wound of inner plating band When, the second snapping protrusion 3 on inner plating band 10 is matched with the second snapping groove 31 on inner plating band 10；

The top of the first snapping protrusion 2 on inner plating band 10 is equipped with the first sealing strip installation groove 2b, the first sealing strip In installation groove 2b the first sealing strip installation groove 2b and inner plating band 10 are clipped in equipped with the first sealing strip 2c, the first sealing strip 2c On the first snapping groove 21 between；It is recessed that the lower part of the second snapping protrusion 3 on inner plating band 10 is equipped with the installation of the second sealing strip Equipped with the second sealing strip 3c in slot 3b, the second sealing strip installation groove 3b, it is recessed that the second sealing strip 3c is clipped in the installation of the second sealing strip Between the second snapping groove 31 on slot 3b and inner plating band 10.

The lamina rara externa band 20 includes that the lower part of the sides strip outer layer plate-like body 20a, outer layer plate-like body 20a is outside It is extended with lower extension 11,11 upper surface of lower extension sets that there are one the first snapping of strip protrusion 2, outer layer plate-like body 20a Lower face is set far from 11 side of lower extension there are one the first snapping of strip groove 21；When lamina rara externa 20 spiral wound of band, The first snapping protrusion 2 on lamina rara externa band 20 is matched with the first snapping groove 21 on lamina rara externa band 20；

The top of the other sides outer layer plate-like body 20a is outward extended with extension 12, below upper extension 12 If there are one the second snapping of strip protrusion 3, the second snapping protrusion 3 is equipped with reducing diameter part 3a, lamina rara externa at upper extension 12 The shape upper surfaces ontology 20a are set far from 12 side of upper extension there are one the second snapping groove 31,10 spiral wound of inner plating band When, the second snapping protrusion 3 on lamina rara externa band 20 is matched with the second snapping groove 31 on lamina rara externa band 20；

The top of the first snapping protrusion 2 on the lamina rara externa band 20 is equipped with the first sealing strip installation groove 2b, and first is close In strip of paper used for sealing installation groove 2b the first sealing strip installation groove 2b and lamina rara externa are clipped in equipped with the first sealing strip 2c, the first sealing strip 2c With between the first snapping groove 21 on 20；

The lower part of the second snapping protrusion 3 on the lamina rara externa band 20 is equipped with the second sealing strip installation groove 3b, and second is close In strip of paper used for sealing installation groove 3b the second sealing strip installation groove 3b and lamina rara externa are clipped in equipped with the second sealing strip 3c, the second sealing strip 3c With between 31 inner wall of the second snapping groove on 20.

It is set on the lower faces internal layer plate-like body 10a there are two strip invagination groove 4, strip invagination groove 4 pushes up Portion is equipped with docking protrusion 41, and docking protrusion 41 is equipped with reducing diameter part 41a close to the top of invagination groove 4；The outer layer plate-like body The upper surfaces 20a are set there are two strip lug boss 5, and the top of strip lug boss 5 is provided with docking recess 51, inner plating band 10 When with lamina rara externa band 20 while spiral wound, the strip lug boss 5 on lamina rara externa band 20 is embedded in the length on inner plating band 10 Bar shaped is invaginated groove 4, and the docking raised 41 on inner plating band 10 is interlockingly connected with the docking recess 51 on lamina rara externa band 20.

Set on the lower faces internal layer plate-like body 10a there are three first filling slot 6, first filling slot 6 from oral area to its The distance of top both sides gradually becomes smaller, and the first enhancing structure layer 61 is filled in the first filling slot 6, the first enhancing structure layer 61 with First filling 6 inner wall of slot by be glued formed it is affixed, first filling slot 6 inner wall in can also form groove, with improve and first The bond strength of enhancing structure layer 61, the elasticity modulus of the first enhancing structure layer 61 are more than the springform of internal layer plate-like body 10a Amount.If internal layer plate-like body 10a can be made of PVC or PE or PPR or ABS, the first enhancing structure layer 61 can be by unsaturated-resin It is constituted with glass fibre.

Set on the lower faces outer layer plate-like body 20a there are three the second filling slot 7, the second filling slot 7 for oral area is small and The inside is big, is filled with the second enhancing structure layer 71 in the second filling slot 7, the second enhancing structure layer 71 and second fills 7 inner wall of slot By be glued formed it is affixed, second filling slot 7 inner wall in can also form groove, with improve and the second enhancing structure layer 71 knot Intensity is closed, the elasticity modulus of the second enhancing structure layer 71 is more than the elasticity modulus of outer layer plate-like body 20a；Such as outer layer plate-like body 20a can be by being made of PVC or PE or PPR or ABS, and the second enhancing structure layer 71 can be made of unsaturated-resin and glass fibre.

Outer surface after 20 spiral winding of lamina rara externa band is also associated with stiffener plate 30, the outer layer plate-like body It is set on the lower faces 20a there are four docking recess 201, the stiffener plate 30 includes long strip shape body 30a, plate body 30a Upper surface set there are three strip docking protrusion 301；Docking protrusion 301 is equipped with reducing diameter part close to the upper end surfaces plate body 30a The lower face 301a, plate body 30a is set there are one strip protrusion 302, and the cross section of the protrusion 302 is arc shape, or more Side shape；Strip docking protrusion 301 in stiffener plate 30 is interlockingly connected cooperation with the docking recess 201 on lamina rara externa band 20；Its Strip docking protrusion 301 among the upper surfaces middle plate body 30a can be embedded in the second filling slot 7.

The middle part of the protrusion 302 is equipped with third and fills slot 8, and third enhancing is filled in the third filling slot 8 of protrusion 302 Structure sheaf 81, third enhancing structure layer 81 and third filling slot 8 inner wall be mutually glued to be formed it is connected, third enhancing structure layer 81 Elasticity modulus is more than the elasticity modulus of the protrusion 302；If the protrusion 302 can be made of PVC or PE or PPR or ABS, third Enhancing structure layer 81 can be made of unsaturated-resin and glass fibre..

20 outer surface of lamina rara externa band between stiffener plate 30 covers impervious barrier 40, which can be used waterproof material Material and glue are constituted, and are also connected by glue-line 60 between stiffener plate 30 and 20 outer surface of lamina rara externa band, third enhancing structure layer 81 also extend over the outer surface of stiffener plate 30 and impervious barrier 40.81 outer surface of third enhancing structure layer also may choose whether to cover It is stamped external protection (not shown).

Ring stiffness and the better bellows of impact resistance can be formed by stiffener plate 30.

Embodiment two, shown in Fig. 6 to Fig. 7, a kind of multilayer make-up connection continuous winding composite pipe is different from embodiment one Be：Multiple grooves 82 are equipped on the third filling 8 both sides inner wall of slot, which is incised groove or dovetail Connected in star；Third enhancing structure layer 81 is only filled in third filling slot 8, and third filling slot 8 is plugged with a block 83, block 83 Top is stuck with part recess 82, and such third filling slot 8 is covered by block 83, the composition material of third enhancing structure layer 81 Material may be selected by it is more kinds of, be conducive to 81 curing molding of third enhancing structure layer so that third enhancing structure layer 81 is filled with third Fill out the more secured of 8 inner wall of slot combination.

Shown in embodiment three, Fig. 8, a kind of multilayer make-up connection continuous winding composite pipe, unlike embodiment one： Outer surface after 20 spiral winding of lamina rara externa band has been not connected to stiffener plate, and the second enhancing structure layer 71 extends over outer layer Four docking recess 201 on outer surface and the lower faces outer layer plate-like body 20a after 20 spiral winding of strip, the second enhancing knot 71 outer surface of structure layer is also covered with external protection 711.

Shown in example IV, Fig. 9 to Figure 11, a kind of multilayer make-up connection continuous winding composite pipe, not with embodiment one Be：It is connected by transition zone strip 50 between the inner plating band 10 and lamina rara externa band 20, the transition zone strip 50 Including strip transition zone plate-like body 50a, the lower part of the sides transition zone plate-like body 50a is outward extended with lower extension 11, 11 upper surface of lower extension is set there are one the first snapping of strip protrusion 2, and the first snapping protrusion 2 is equipped at lower extension 11 Reducing diameter part 2a, the transition zone lower faces plate-like body 50a are set far from 11 side of lower extension there are one strip the first snapping groove 21, when transition zone 50 spiral wound of strip, the first snapping protrusion 2 in transition zone strip 50 and the in transition zone strip 50 One snapping groove 21 matches；

The top of the other sides transition zone plate-like body 50a is outward extended with extension 12, under upper extension 12 Face is set there are one the second snapping of strip protrusion 3, and the second snapping protrusion 3 is equipped with reducing diameter part 3a, transition at upper extension 12 The layer upper surfaces plate-like body 50a are set far from 12 side of upper extension there are one the second snapping groove 31,50 spiral of transition zone strip When shape is wound, the second snapping protrusion 3 in transition zone strip 50 is matched with the second snapping groove 31 in transition zone strip 50；

Raised 2 tops of first snapping of the transition zone strip 50 are equipped with the first sealing strip installation groove 2b, the first sealing In installation groove 2b the first sealing strip installation groove 2b and transition laminate are clipped in equipped with the first sealing strip 2c, the first sealing strip 2c With between 21 inner wall of the first snapping groove on 50；

The lower part of the second snapping protrusion 3 in the transition zone strip 50 is equipped with the second sealing strip installation groove 3b, and second In sealing strip installation groove 3b the second sealing strip installation groove 3b and transition are clipped in equipped with the second sealing strip 3c, the second sealing strip 3c Between 31 inner wall of the second snapping groove on laminate band 50；

The upper surfaces transition zone plate-like body 50a are set there are two strip lug boss 5, the top of strip lug boss 5 It is provided with docking recess 51, the lower faces transition zone plate-like body 50a are set invaginates groove 4 there are two strip, in strip 4 top of pouch slot is equipped with docking protrusion 41, inner plating band 10, transition zone strip 50 and lamina rara externa band 20 while spiral wound When, the strip lug boss 5 in transition zone strip 50 is embedded in the strip on inner plating band 10 and invaginates groove 4, inner plating band 10 On docking protrusion 41 be interlockingly connected with the docking recess 51 in transition zone strip 50, the strip lug boss 5 on lamina rara externa band 20 Strip in embedded transition zone strip 50 invaginates groove 4, the docking protrusion 41 in transition zone strip 50 on lamina rara externa band 20 Docking recess 51 be interlockingly connected；

Set on the lower faces transition zone plate-like body 50a there are three the 4th filling slot 9, the 4th filling slot 9 from oral area extremely The distance of its top both sides gradually becomes smaller, and the 4th enhancing structure layer 91, the 4th enhancing structure layer 91 are filled in the 4th filling slot 9 It is formed affixed by being glued with the 4th filling 9 inner wall of slot, groove can be also formed in the inner wall of the 4th filling slot 9, to improve and the The bond strength of four enhancing structure layers 91, the elasticity modulus of the 4th enhancing structure layer 91 are more than the bullet of transition zone plate-like body 50a Property modulus；If transition zone plate-like body 50a can be made of PVC or PE or PPR or ABS, the 4th enhancing structure layer 91 can be by insatiable hunger It is constituted with resin and glass fibre.

Shown in embodiment five, Figure 12, Figure 13, a kind of multilayer make-up connection continuous winding composite pipe, not with embodiment one Be：Outer surface after 20 spiral winding of lamina rara externa band has been not connected to stiffener plate, and the second enhancing structure layer 71 extends The outer surface after 20 spiral winding of lamina rara externa band and four docking recess 201 on the lower faces outer layer plate-like body 20a are covered, the Two enhancing structure layers, 71 outer surface is also covered with external protection 711, which includes impervious barrier 711a, fiber successively Enhancement layer 711b and protective layer 711c, impervious barrier 711a cover the second enhancing structure layer 71.

Shown in embodiment six, Figure 14, Figure 15, a kind of multilayer make-up connection continuous winding composite pipe, not with embodiment one Be：20 structure of lamina rara externa band is different, and lamina rara externa band 20 is not connected to stiffener plate.

The strip outer layer plate-like body 20a of the lamina rara externa band 20 is equipped with two long far from 10 1 side end face of inner plating band Set that there are one the second filling slots 7 on bar shaped convex rib part 20b, each strip convex rib part 20b, the on strip convex rib part 20b Two filling slots 7 extend in the middle part of outer layer plate-like body 20a, and the second filling slot 7 on each strip convex rib part 20b is filled with the Two enhancing structure layers 71, the second filling 7 both sides inner wall of slot on each strip convex rib part 20b are equipped with groove 72, groove 72 Cross section is zigzag, and the oral area of the second filling slot 7 on each strip convex rib part 20b is also cased with block 73, block 73 with Part recess 72 is interlockingly connected.The centre of strip convex rib part 20b is equipped with multiple hole 201b.It is formed after the present embodiment winding continuous Wind bellows.

It the above is only the several preferred embodiments of the utility model, those skilled in the art is made equivalent by claim Change the protection domain for both falling within this case.

Claims (10)

1. a kind of multilayer make-up connects continuous winding composite pipe, inner plating band and lamina rara externa band are included at least, inner plating band and outer Laminate band spiral winding, it is characterised in that：

The inner plating band includes strip internal layer plate-like body, and the lower part of internal layer plate-like body side is outward extended with lower extension Portion, lower extension upper surface are equipped at least one strip the first snapping protrusion, and internal layer plate-like body lower face is far from lower extension Portion side is equipped at least one strip the first snapping groove, and when inner plating is with spiral wound, first on inner plating band buckles Connect protrusion and the first snapping fit depressions on inner plating band；

The lamina rara externa band includes strip outer layer plate-like body, and the lower part of outer layer plate-like body side is outward extended with lower extension Portion, lower extension upper surface are equipped at least one strip the first snapping protrusion, and outer layer plate-like body lower face is far from lower extension Portion side is equipped at least one strip the first snapping groove；When lamina rara externa band spiral wound, first on lamina rara externa band buckles Connect protrusion and the first snapping fit depressions on lamina rara externa band；

Internal layer plate-like body lower face be equipped at least one strip invaginate groove, strip invaginate groove be equipped with pair Protrusion is connect, outer layer plate-like body upper surface is equipped at least one strip lug boss, and the top of strip lug boss is set It is equipped with docking recess；Or internal layer plate-like body upper surface is equipped at least one strip invagination groove, strip invagination Groove is equipped with docking protrusion, and outer layer plate-like body lower face is equipped at least one strip lug boss, and strip is convex When the top in the portion of rising is provided with docking recess, inner plating band and lamina rara externa band while spiral wound, the strip on lamina rara externa band Shape lug boss is embedded in the strip invagination groove on inner plating band, the docking protrusion on inner plating band and docking on lamina rara externa band Groove is interlockingly connected；

Or internal layer plate-like body lower face is equipped at least one strip lug boss, the top of strip lug boss is arranged There are docking recess, outer layer plate-like body upper surface to be equipped at least one strip invagination groove, strip invagination groove-bottom Portion is equipped with docking protrusion；Or internal layer plate-like body upper surface is equipped at least one strip lug boss, strip protrusion The top in portion is provided with docking recess, and outer layer plate-like body lower face is equipped at least one strip invagination groove, strip When shape invaginates bottom portion of groove equipped with protrusion, inner plating band and lamina rara externa band while spiral wound is docked, the length on inner plating band Strip bulge portion is embedded in the strip invagination groove on lamina rara externa band, the docking protrusion on lamina rara externa band and pair on inner plating band Groove is connect to be interlockingly connected.

2. a kind of multilayer make-up according to claim 1 connects continuous winding composite pipe, it is characterised in that：The inner plating Shape ontology end face is equipped at least one first and fills slot, is filled with the first enhancing structure layer in the first filling slot, first increases The inner wall Joint of strong structure layer and the first filling slot, the elasticity modulus of the first enhancing structure layer are more than the bullet of internal layer plate-like body Property modulus.

3. a kind of multilayer make-up according to claim 1 connects continuous winding composite pipe, it is characterised in that：The lamina rara externa Shape ontology end face is equipped at least one second and fills slot, is filled with the second enhancing structure layer in the second filling slot, second increases The inner wall Joint of strong structure layer and the second filling slot, the elasticity modulus of the second enhancing structure layer are more than the bullet of outer layer plate-like body Property modulus.

4. a kind of multilayer make-up according to claim 1 connects continuous winding composite pipe, it is characterised in that：The inner plating The top of the first snapping protrusion taken is equipped with the first sealing strip installation groove, and it is close to be equipped with first in the first sealing strip installation groove Strip of paper used for sealing, the first sealing strip are clipped between the first snapping groove in the first sealing strip installation groove and inner plating band；

The top of the first snapping protrusion on the lamina rara externa band is equipped with the first sealing strip installation groove, and the installation of the first sealing strip is recessed First sealing strip is housed, the first sealing strip is clipped in the first sealing strip installation groove and the first snapping groove on lamina rara externa band in slot Between.

5. a kind of multilayer make-up according to claim 1 connects continuous winding composite pipe, it is characterised in that：The inner plating The top of the shape ontology other side is outward extended with extension, and the second snapping of at least one strip is equipped with below upper extension Protrusion, internal layer plate-like body upper surface are equipped at least one second snapping groove, inner plating band spiral far from upper extension side When shape is wound, the second snapping protrusion on inner plating band and the second snapping fit depressions on inner plating band；

The lower part of the second snapping protrusion on the inner plating band is equipped with the second sealing strip installation groove, and the installation of the second sealing strip is recessed Second sealing strip is housed, the second sealing strip is clipped in the second sealing strip installation groove and the second snapping groove on inner plating band in slot Between；

The top of the outer layer plate-like body other side is outward extended with extension, is equipped with below upper extension at least one Strip the second snapping protrusion, outer layer plate-like body upper surface are recessed equipped at least one second snapping far from upper extension side Slot, when inner plating is with spiral wound, the second snapping protrusion on lamina rara externa band and the second snapping groove phase on lamina rara externa band Cooperation；

The lower part of the second snapping protrusion on the lamina rara externa band is equipped with the second sealing strip installation groove, and the installation of the second sealing strip is recessed Second sealing strip is housed, the second sealing strip is clipped in the second sealing strip installation groove and the second snapping groove on lamina rara externa band in slot Between inner wall.

6. a kind of multilayer make-up according to claim 1 connects continuous winding composite pipe, it is characterised in that：The lamina rara externa It is also associated with stiffener plate with the outer surface after spiral winding, the outer layer plate-like body is set on end face corresponding with stiffener plate It includes long strip shape body to have multiple docking recess, the stiffener plate, which is equipped at least one strip Shape docking protrusion；Plate body other end is equipped at least one strip protrusion, the strip docking protrusion in stiffener plate It is interlockingly connected cooperation with the docking recess on lamina rara externa band.

7. a kind of multilayer make-up according to claim 6 connects continuous winding composite pipe, it is characterised in that：The protrusion Middle part is equipped with third and fills slot, and third enhancing structure layer is filled in the third filling slot of protrusion, third enhancing structure layer and the The inner wall Joint of three filling slots, the elasticity modulus of third enhancing structure layer are more than the elasticity modulus of the protrusion.

8. a kind of multilayer make-up according to claim 7 connects continuous winding composite pipe, it is characterised in that：The third is filled Fill out on the inner wall of slot cross section both sides be all provided with it is fluted；The oral area of the third filling slot is cased with block, and block fills slot with third Part recess on inner wall is interlockingly connected.

9. a kind of multilayer make-up according to claim 1 connects continuous winding composite pipe, it is characterised in that：The strip Outer layer plate-like body is equipped at least one strip convex rib part far from one side end face of inner plating band.

10. connecting continuous winding composite pipe according to a kind of multilayer make-up of claim 1 to 9 any one of them, it is characterised in that： It is connected by transition zone strip between the inner plating band and lamina rara externa band, the transition zone strip includes strip transition zone The lower part of plate-like body, transition zone plate-like body side is outward extended with lower extension, and lower extension upper surface is equipped at least one A strip the first snapping protrusion, transition zone plate-like body lower face are equipped at least one strip the far from lower extension side One snapping groove, when transition zone strip spiral wound, the first snapping protrusion in transition zone strip in transition zone strip First snapping fit depressions；

The transition zone plate-like body end face is equipped at least one strip lug boss, and the top of strip lug boss is arranged There are docking recess, transition zone plate-like body other end to be equipped at least one strip invagination groove, strip invagination Groove is equipped with docking protrusion；When inner plating band, transition zone strip and lamina rara externa band while spiral wound, in transition zone strip Strip lug boss insertion inner plating band on strip invaginate groove, the docking protrusion on inner plating band and transition zone strip On docking recess be interlockingly connected, the strip in strip lug boss on lamina rara externa band insertion transition zone strip invaginates groove, Docking protrusion in transition zone strip is interlockingly connected with the docking recess on lamina rara externa band；Or the strip lug boss on inner plating band Strip in embedded transition zone strip invaginates groove, the docking protrusion in transition zone strip and the docking recess on inner plating band It is interlockingly connected, the strip on strip lug boss in transition zone strip insertion lamina rara externa band invaginates groove, on lamina rara externa band Docking protrusion is interlockingly connected with the docking recess in transition zone strip.