CN204829081U - Heat shrinkage bush - Google Patents
Heat shrinkage bush Download PDFInfo
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- CN204829081U CN204829081U CN201520471004.8U CN201520471004U CN204829081U CN 204829081 U CN204829081 U CN 204829081U CN 201520471004 U CN201520471004 U CN 201520471004U CN 204829081 U CN204829081 U CN 204829081U
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- Prior art keywords
- heat
- groove
- shrinkable
- layer
- pyrocondensation
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Abstract
The utility model relates to a heat shrinkage bush, including the tubulose body, be provided with a recess on this tubulose body at least, the recess sets up along tubulose body circumference for when ATTACH SURFACES took plastics drainage, the sewage pipes of recess, owing to reserved axial dimensions, the shrink of heat shrinkage bush axial was unrestricted, and heat shrinkage bush just can contract the pipeline recess, sealed effectually, can not cause the fluidic to reveal.
Description
Technical field
The utility model relates to being tightly connected of surface irregularity pipeline, particularly relates to plastic draining, blow-off line.
Background technique
Material contracting with heat also known as polymer shape memory material, to be macromolecular material with radiation processing technology the intersect a kind of intelligent material combined.Common high molecular materials is as the normally linear structure such as polyethylene, PVC＝polyvinyl chloride, after the radiation effects of the radioactive sources such as electron accelerator becomes reticular structure, these materials will possess unique " memory effect ", and the material of expansion, cooling and shaping again can shrink and return to the original form after being heated.
Pipework heat-shrinkable product is the internal surface at radiant crosslinked polyethylene material contracting with heat, coating one deck High performance hot melt adhesive, during installation, material contracting with heat outside, because " memory effect " shrinks after being heated, internal layer hot melt adhesive is endothermic melting simultaneously, is tightly coated on outside pipeline.Because hot melt adhesive has good adhesive property, entering of external moisture can be stoped, thus play insulation, protection against the tide, the effect such as seal, protect and continue.
As shown in Figure 1, the surfacing of tradition thermal shrinkable sleeve, when connecting the pipeline (as plastic-steel-wound drainage pipe, ribbon spiral strengthen corrugated drain pipe, double-wall corrugated drain pipe, inner rib type spiral enhancing corrugated drain pipe etc.) of some surface irregularities, because of axially limited, thermal shrinkable sleeve often can not be retracted in groove, cannot sealing be formed, cause the fluid leakage in corrosive pipeline or pipe to pollute surrounding environment.
Model utility content
In order to overcome traditional heat-shrinkable T bush for some surface irregularities pipeline connect time, shrink not in place, cannot form the defect of sealing, the utility model provides a kind of band heat-shrinkable T bush, and this heat-shrinkable T bush is owing to being provided with groove at sleeve pipe in advance, this is just equivalent to reserve axial dimension, axial shrinkage is unrestricted, and heat-shrinkable T bush just can be retracted in the groove of pipeline, fits tightly with pipeline, good sealing effect, can not cause the leakage of fluid.
A kind of heat-shrinkable T bush, is characterized in that: comprise tubular body, this tubular body is at least provided with a groove.
The width of described groove is 5 ~ 250mm, and the degree of depth is 5 ~ 250mm.
Described groove is trapezoidal groove, arc groove, rectangular recess or triangular groove.
Described groove circumference is arranged on tubular body.
Distance between adjacent grooves is 5 ~ 250mm.
Described tubular body forms with material contracting with heat global formation.
Described tubular body forms by same pyrocondensation belt is curling, adopts the mode of docking or overlap joint to link together, in lap-joint or joint suture.
Lap-joint or joint are provided with coating, and coating makes after being mixed by one or more materials in pyrocondensation base material, cotton, polyolefin, nylon, terylene, polyamide fibre, polyvinyl, aramid fiber, glass fibre.
Described stitching thread has one at least, is to make after being mixed by one or more materials in cotton, polyolefin, nylon, terylene, polyamide fibre, polyvinyl, aramid fiber, glass fibre.
Described pyrocondensation belt comprises pyrocondensation substrate layer and heat-fusing glue layer, and heat-fusing glue layer is coated on the internal surface of pyrocondensation substrate layer
Described pyrocondensation substrate layer is that polyolefin is made.
Described pyrocondensation substrate layer comprises polyolefin skins and reinforcing fiber scrim layer, and described polyolefin skins is arranged on outside reinforcing fiber scrim layer.
Described pyrocondensation substrate layer also comprises polyolefin interior layer, and polyolefin skins is arranged on outside reinforcing fiber scrim layer, and polyolefin interior layer is arranged on inside reinforcing fiber scrim layer.
Described reinforcing fiber scrim layer is the reticular structure of working out with thermally-stabilised fiber (as glass fibre, carbon fiber, polyester fibre etc.) and strong fiber (as HDPE, MDPE etc.), and thermally-stabilised fiber is parallel, and strong fiber is warp.
The utility model has the following advantages:
1, the utility model comprises tubular body, this tubular body is at least provided with a groove, and groove is arranged along tubular body circumference.Pre-groove on the tubular body of heat-shrinkable T bush, has thus reserved axial dimension, when heat-shrinkable T bush is heated during installation, shrink easily at axis and only have, pyrocondensation belt can be retracted in the groove of pipeline, fits closely with pipeline, good sealing effect, can not cause the leakage of fluid.
2, each indention parallel of the utility model is arranged on material contracting with heat layer outer surface, and the distance between each groove is 150 ~ 250mm, and the width of groove is 150 ~ 250mm.It is match with the position of the groove of pipeline that indention parallel to be arranged on material contracting with heat layer outer surface one, but forced contraction is even, ensure the groove of pyrocondensation base material be heated after with the groove match of pipeline, laminating closely, is avoided shrinking the unfavorable fluid leakage caused.
3, the utility model pyrocondensation base material is the composite of polyolefin or polyolefin and reinforcing fiber, the intensity of this bi-material and good toughness, and contractile force is strong, and laminating closely.
4, the composite of the utility model polyolefin and reinforcing fiber comprises polyolefin skins, reinforcing fiber scrim layer and polyolefin interior layer, and described polyolefin skins is arranged on outside reinforcing fiber scrim layer, and polyolefin interior layer is arranged on inside reinforcing fiber scrim layer.Reinforcing fiber scrim layer considerably increases the intensity of material contracting with heat layer, thus extends the working life of pyrocondensation belt, and the effect of polyethylene surface layer and polyethylene inner layer is the contractibility fully ensureing pyrocondensation belt, and pyrocondensation belt can be tightly attached on pipeline.Polyethylene surface layer and polyethylene lining protect reinforcing fiber scrim layer, avoid reinforcing fiber scrim layer to be corroded, and strengthening net layer of cloth serve the effect of skeleton, greatly strengthen intensity and the toughness of heat-shrinkable T bush.
Accompanying drawing explanation
The design sketch that Fig. 1 tradition heat-shrinkable T bush is installed;
Fig. 2 is that the utility model heat-shrinkable T bush installs design sketch;
Fig. 3 is the structural representation of the utility model band trapezoidal groove;
Fig. 4 is the structural representation of the utility model band arc groove;
Fig. 5 is the structural representation of the utility model band rectangular recess;
Fig. 6 is the structural representation of the utility model band triangular groove;
Fig. 7 is a kind of structural representation of the utility model pyrocondensation substrate layer;
Fig. 8 is the another kind of structural representation of the utility model pyrocondensation substrate layer;
Fig. 9 is the structural representation of reinforcing fiber scrim layer.
1, tubular body, 2, pipeline, 3, the groove of pipe surface, 4, groove, 5, polyolefin skins, 6, reinforcing fiber scrim layer, 7, polyolefin interior layer, 8, heat-fusing glue layer, 9, warp, 10, parallel.
Embodiment
As shown in Figure 1, existing heat-shrinkable T bush comprises tubular body 1, and tubular body 1 forms circular tube shaped with pyrocondensation belt is curling, and adopts the mode of docking to be joined together to form.Corrugated drain pipe, double-wall corrugated drain pipe, inner rib type spiral enhancing corrugated drain pipe etc. are strengthened at connection two pipeline 2(plastic-steel-wound drainage pipes, ribbon spiral) time, heat-shrinkable T bush is heated aftershrinkage, shrink not in place in the axial direction, cannot fit closely with the groove 3 of pipe surface, cause the leak of liquid be contained in pipeline.And the utility model is formally based on the improvement that above-mentioned defect is carried out.
Below in conjunction with Figure of description, the utility model is further detailed:
Embodiment 1
The heat-shrinkable T bush that the present embodiment provides comprises tubular body 1, and this tubular body 1 is provided with groove 4, and groove 4 is arranged along tubular body 1 circumference.
The width of described groove 4 is 5 ~ 250mm, and the degree of depth is 5 ~ 250mm.
Described groove is trapezoidal groove, and described groove 4 has more than two, and each groove 4 is arranged in parallel, and the distance between adjacent grooves 4 is 5 ~ 250mm.
Described tubular body 1 forms with same pyrocondensation belt is curling, adopts the mode of docking to link together, in joint suture.
Pyrocondensation belt is the pyrocondensation belt of sheet.
Joint is provided with coating, and coating makes after being mixed by one or more materials in pyrocondensation substrate layer, cotton, polyolefin, nylon, terylene, polyamide fibre, polyvinyl, aramid fiber, glass fibre.
Described stitching thread has one at least, is to make after being mixed by one or more materials in cotton, polyolefin, nylon, terylene, polyamide fibre, polyvinyl, aramid fiber, glass fibre.
Described pyrocondensation belt comprises pyrocondensation substrate layer and heat-fusing glue layer 8, and heat-fusing glue layer 8 is coated on the internal surface of pyrocondensation substrate layer.
Described pyrocondensation substrate layer is that polyolefin is made.
Because the tubular body 1 of heat-shrinkable T bush is provided with groove 4, be equivalent to reserve axial dimension, heat-shrinkable T bush just can be retracted to groove, good sealing effect, can not cause the leakage of fluid.Its production stage is: first on pyrocondensation belt, arrange groove, then that pyrocondensation belt is curling, adopts the mode of docking to be docking together.
Embodiment 2
The heat-shrinkable T bush that the present embodiment provides comprises tubular body 1, and this tubular body 1 is provided with groove 4, and groove 4 is arranged along tubular body 1 circumference.
The width of described groove 4 is 5 ~ 250mm, and the degree of depth is 5 ~ 250mm.
Groove 4 is arranged in parallel with the end face of tubular body 1.
Described groove is arc groove, and described groove 4 has more than two, and each groove 4 is arranged in parallel, and the distance between adjacent grooves 4 is 5 ~ 250mm.
Described tubular body 1 forms with same pyrocondensation belt is curling, adopts the mode of overlap joint to link together, in lap-joint's suture.
Lap-joint is provided with coating, and coating makes after being mixed by one or more materials in pyrocondensation base material, cotton, polyolefin, nylon, terylene, polyamide fibre, polyvinyl, aramid fiber, glass fibre.
Described stitching thread has one at least, is to make after being mixed by one or more materials in cotton, polyolefin, nylon, terylene, polyamide fibre, polyvinyl, aramid fiber, glass fibre.
Described pyrocondensation belt comprises pyrocondensation substrate layer and heat-fusing glue layer 8, and heat-fusing glue layer 8 is coated on the internal surface of pyrocondensation substrate layer.
Described pyrocondensation substrate layer comprises polyolefin skins 5 and reinforcing fiber scrim layer 6, and described polyolefin skins 5 is arranged on outside reinforcing fiber scrim layer 6.
Described pyrocondensation substrate layer also comprises polyolefin interior layer 7, and polyolefin skins 5 is arranged on outside reinforcing fiber scrim layer 6, and polyolefin interior layer 7 is arranged on inside reinforcing fiber scrim layer 6.
Described reinforcing fiber scrim layer 6 is the reticular structures of working out with thermally-stabilised fiber (as glass fibre, carbon fiber, polyester fibre etc.) and strong fiber (as HDPE, MDPE etc.), and thermally-stabilised fiber is parallel 10, and strong fiber is warp 9.Because the tubular body 1 of heat-shrinkable T bush is provided with groove 4, be equivalent to reserve axial dimension, heat-shrinkable T bush just can be retracted to groove, good sealing effect, can not cause the leakage of fluid.Its production stage is: first on pyrocondensation belt, arrange groove, then that pyrocondensation belt is curling, adopts the mode of overlap joint to be docking together.
Embodiment 3
The heat-shrinkable T bush that the present embodiment provides comprises tubular body 1, and this tubular body 1 is provided with groove 4, and groove 4 is arranged along tubular body 1 circumference.
The width of described groove 4 is 5 ~ 250mm, and the degree of depth is 5 ~ 250mm.
Described groove 4 is rectangular recess, and described groove coil is arranged on tubular body 1, and described tubular body 1 forms with same pyrocondensation belt is curling, adopts the mode of overlap joint to link together, in lap-joint's suture.
Lap-joint is provided with coating, and coating makes after being mixed by one or more materials in pyrocondensation base material, cotton, polyolefin, nylon, terylene, polyamide fibre, polyvinyl, aramid fiber, glass fibre.
Described stitching thread has one at least, is to make after being mixed by one or more materials in cotton, polyolefin, nylon, terylene, polyamide fibre, polyvinyl, aramid fiber, glass fibre.
Described pyrocondensation belt comprises pyrocondensation substrate layer and heat-fusing glue layer 8, and heat-fusing glue layer 8 is coated on the internal surface of pyrocondensation substrate layer.
Described pyrocondensation substrate layer comprises polyolefin skins 5 and reinforcing fiber scrim layer 6, and described polyolefin skins 5 is arranged on outside reinforcing fiber scrim layer 6.
Described reinforcing fiber scrim layer 6 is the reticular structures of working out with thermally-stabilised fiber (as glass fibre, carbon fiber, polyester fibre etc.) and strong fiber (as HDPE, MDPE etc.), and thermally-stabilised fiber is parallel 10, and strong fiber is warp 9.Because the tubular body 1 of heat-shrinkable T bush is provided with groove 4, be equivalent to reserve axial dimension, heat-shrinkable T bush just can be retracted to groove, good sealing effect, can not cause the leakage of fluid.Its production stage is: first on pyrocondensation belt, arrange groove, then that pyrocondensation belt is curling, adopts the mode of overlap joint to be docking together.
Embodiment 4
The heat-shrinkable T bush that the present embodiment provides comprises tubular body 1, and this tubular body 1 is provided with groove 4, and groove 4 is arranged along tubular body 1 circumference.
The width of described groove 4 is 5 ~ 250mm, and the degree of depth is 5 ~ 250mm.
Described groove is triangular groove, and described groove 4 has more than two, and each groove 4 is arranged in parallel, and the distance between adjacent grooves 4 is 5 ~ 250mm.
Described tubular body 1 forms with same pyrocondensation belt is curling, adopts the mode of docking to link together, in joint suture.
Joint is provided with coating, and coating makes after being mixed by one or more materials in pyrocondensation base material, cotton, polyolefin, nylon, terylene, polyamide fibre, polyvinyl, aramid fiber, glass fibre.
Described stitching thread has one at least, is to make after being mixed by one or more materials in cotton, polyolefin, nylon, terylene, polyamide fibre, polyvinyl, aramid fiber, glass fibre.
Described pyrocondensation belt comprises pyrocondensation substrate layer and heat-fusing glue layer 8, and heat-fusing glue layer 8 is coated on the internal surface of pyrocondensation substrate layer.
Described pyrocondensation substrate layer comprises polyolefin skins 5 and reinforcing fiber scrim layer 6, and described polyolefin skins 5 is arranged on outside reinforcing fiber scrim layer 6.
Described pyrocondensation substrate layer also comprises polyolefin interior layer 7, and polyolefin skins 5 is arranged on outside reinforcing fiber scrim layer 6, and polyolefin interior layer 7 is arranged on inside reinforcing fiber scrim layer 6.
Described reinforcing fiber scrim layer 6 is the reticular structures of working out with thermally-stabilised fiber (as glass fibre, carbon fiber, polyester fibre etc.) and strong fiber (as HDPE, MDPE etc.), and thermally-stabilised fiber is parallel 10, and strong fiber is warp 9.Because the tubular body 1 of heat-shrinkable T bush is provided with groove 4, be equivalent to reserve axial dimension, heat-shrinkable T bush just can be retracted to groove, good sealing effect, can not cause the leakage of fluid.Its production stage is: first on pyrocondensation belt, arrange groove, then that pyrocondensation belt is curling, adopts the mode of docking to be docking together.
Embodiment 5
The heat-shrinkable T bush that the present embodiment provides comprises tubular body 1, and this tubular body 1 is provided with groove 4, and groove 4 is arranged along tubular body 1 circumference.
The width of described groove 4 is 5 ~ 250mm, and the degree of depth is 5 ~ 250mm.
Described groove is triangular groove, and described groove 4 has more than two, and each groove 4 is arranged in parallel, and the distance between adjacent grooves 4 is 5 ~ 250mm.
Described tubular body 1 is shaping by the mode of pyrocondensation substrate layer global formation.Its production stage is: be first overall shaped into tubular body with material contracting with heat, and then arrange groove on tubular body.Pyrocondensation substrate layer comprises polyolefin skins and reinforcing fiber scrim layer, and described polyolefin skins is arranged on outside reinforcing fiber scrim layer.
Embodiment 6
The present embodiment is on the basis of above-mentioned any embodiment, and groove 4 only has one, arranges along tubular body circumference.
Claims (9)
1. a heat-shrinkable T bush, is characterized in that: comprise tubular body (1), this tubular body (1) is at least provided with a groove (4), and the width of described groove (4) is 5 ~ 250mm, and the degree of depth is 5 ~ 250mm.
2. a kind of heat-shrinkable T bush according to claim 1, is characterized in that: described groove (4) is trapezoidal groove, arc groove, rectangular recess or triangular groove.
3. a kind of heat-shrinkable T bush according to claim 2, is characterized in that: described groove (4) circumference is arranged on tubular body (1).
4. a kind of heat-shrinkable T bush according to claim 2, is characterized in that: the distance between adjacent grooves (4) is 5 ~ 250mm.
5. a kind of heat-shrinkable T bush according to claim 1, it is characterized in that: described tubular body (1) forms with same pyrocondensation belt is curling, the mode of docking or overlap joint is adopted to link together, in lap-joint or joint suture, described pyrocondensation belt comprises pyrocondensation substrate layer and heat-fusing glue layer (8), and heat-fusing glue layer (8) is coated on the internal surface of pyrocondensation substrate layer.
6. a kind of heat-shrinkable T bush according to claim 1, is characterized in that: described tubular body (1) pyrocondensation substrate layer global formation forms.
7. a kind of heat-shrinkable T bush according to claim 5 or 6, is characterized in that: described pyrocondensation substrate layer comprises polyolefin skins (5) and reinforcing fiber scrim layer (6), and described polyolefin skins (5) is arranged on reinforcing fiber scrim layer (6) outside.
8. a kind of heat-shrinkable T bush according to claim 7, it is characterized in that: described pyrocondensation substrate layer also comprises polyolefin interior layer (7), polyolefin skins (5) is arranged on reinforcing fiber scrim layer (6) outside, and polyolefin interior layer (7) is arranged on reinforcing fiber scrim layer (6) inner side.
9. a kind of heat-shrinkable T bush according to claim 8, is characterized in that: described reinforcing fiber scrim layer (6) is the reticular structure of working out with thermally-stabilised fiber and strong fiber, and thermally-stabilised fiber is parallel (10), and strong fiber is warp (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520471004.8U CN204829081U (en) | 2015-07-03 | 2015-07-03 | Heat shrinkage bush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520471004.8U CN204829081U (en) | 2015-07-03 | 2015-07-03 | Heat shrinkage bush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204829081U true CN204829081U (en) | 2015-12-02 |
Family
ID=54686680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520471004.8U Expired - Fee Related CN204829081U (en) | 2015-07-03 | 2015-07-03 | Heat shrinkage bush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204829081U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113621195A (en) * | 2021-08-20 | 2021-11-09 | 四川天邑康和通信股份有限公司 | Heat-shrinkable tape substrate material, glass fiber reinforced heat-shrinkable tape substrate and preparation method thereof |
-
2015
- 2015-07-03 CN CN201520471004.8U patent/CN204829081U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113621195A (en) * | 2021-08-20 | 2021-11-09 | 四川天邑康和通信股份有限公司 | Heat-shrinkable tape substrate material, glass fiber reinforced heat-shrinkable tape substrate and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20180703 |