CN105508758A - Winding pipe - Google Patents
Winding pipe Download PDFInfo
- Publication number
- CN105508758A CN105508758A CN201610066458.6A CN201610066458A CN105508758A CN 105508758 A CN105508758 A CN 105508758A CN 201610066458 A CN201610066458 A CN 201610066458A CN 105508758 A CN105508758 A CN 105508758A
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- CN
- China
- Prior art keywords
- layer
- stiffening rib
- plastic
- plastic sheet
- winding
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/24—Hoses, i.e. flexible pipes wound from strips or bands
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention relates to a winding pipe which comprises a plastic layer and a stiffening rib coated in the plastic layer. The winding pipe is characterized in that the plastic layer is formed by spirally winding a plastic sheet; every two adjacent rings of plastic sheet are mutually overlapped and fused at the edges, so that a spiral overlapping region is formed on the plastic layer; and the stiffening rib is in the shape of a spiral spring matched with the overlapping region and is embedded in the overlapping region. The winding pipe is simple in overall structure, and is formed by winding only one plastic sheet and one stiffening rib, so that the prepared pipe body has smooth inner wall; and thus, dust, foreign bodies and the like can not be easily accumulated in the use process. The stiffening rib is just positioned in the overlapping region of the plastic sheet, and the inner layer plastic sheet and outer layer plastic sheet in the high temperature state are completely fused, so that the winding pipe has the advantages of firm overall structure and longer service life. According to the winding pipe, the adhesive layer does not need to be previously coated on the periphery of the stiffening rib, and the spring formed by the stiffening rib has favorable elasticity, so that the pipe body has high strength and favorable pressure bearing capacity.
Description
Technical field
The present invention relates to a kind of entwining tube, specifically refer to a kind of plastic tube that there is stiffening rib and be wound around.
Background technique
Mostly the plastic flexible pipe be usually used in vacuum cleaner, ventilation plant, range hood, drainage equipment is by extrude or the method such as blowing obtains, such plastic flexible pipe makes simply, preparation cost is low, but its pressure-bearing, anti-pressure ability are also poor, so people improve its pressure-bearing, anti-pressure ability by being embedded in stiffening rib at plastic flexible pipe.
Authorization Notice No. is that the Chinese utility model patent " plastic-steel spirally-wound pipe " (application number: CN201220334432.2) of CN202674804U discloses a kind of structure; it comprises pipe, winding layer and polyethylene external protection in a polyethylene; winding layer is made up of high-strength plastic steel wire of spending; winding layer in above-mentioned entwining tube is helical wire web frame, is to be interweaved by left hand screw steel wire and right-hand screw steel wire to form.Above-mentioned entwining tube is when producing, and the elasticity that polyethylene external protection is wound around is difficult to control, if be wound around tension, the plastic sheet temperature extruded due to plastic extruder is higher, and the excessive plastic layer that easily causes of power be subject to after plastic layer contacts with winding layer is upwards damaged; And if winding is more loose, although winding layer can cover and be welded together with pipe in polyethylene by plastic sheet, but particularly can form larger space around spiral wire between plastic layer and winding layer, this has just had a strong impact on bulk strength and the working life of body.
Authorization Notice No. is that the Chinese utility model patent " heavy caliber low pressure feed water polyethylene silk screen entwining tube and manufacturing mechanism thereof " (application number: CN201320414179.6) of CN203322531U discloses a kind of structure, wherein, entwining tube strengthens construction layer by solid wall pipe body layer and evagination and forms, solid wall pipe body layer is made up of inner wall layer, enhancement layer and outer wall layer, and inner wall layer is the continuous inner wall layer that sheet polyethylene tape is helically wound around the formation of drum die surface; Enhancement layer is that steel wire net-belt is helically wound around outside inner wall layer and forms steel wire enhancement layer; Outer wall layer is the continuous outer wall layer that sheet polyethylene tape is helically wound around the formation of drum die surface; It is the evagination stiffening rib that the outer wall layer outer surface being wound in solid wall pipe body layer by the tubular polyethylene helix of coated skeleton pipe is formed that evagination strengthens construction layer.Solid wall pipe body layer in said structure also belongs to a kind of entwining tube, and its preparation method is:
1) adopt first shaped polyethylene band extruder to squeeze out sheet polyethylene tape, and be equidistantly wound in drum die surface, and each adjacent sheet shaped polyethylene strip edge overlaps fusion successively mutually, forms the inner wall layer of solid wall pipe body layer;
2) steel wire net-belt adopting steel wire conveyor to be conveyed through shaping and to handle well, and be equidistantly wound in outside inner wall layer, form the steel wire enhancement layer of solid wall pipe body layer;
3) the second sheet polyethylene tape extruder is adopted to squeeze out sheet polyethylene tape, and be equidistantly wound on steel wire net-belt, steel wire net-belt is covered, and each adjacent sheet shaped polyethylene strip edge overlaps fusion successively mutually, form the outer wall layer of solid wall pipe body layer.
Compared with the pipe structure disclosed by above-mentioned " plastic-steel spirally-wound pipe ", not adopt in polyethylene pipe as body internal layer in entwining tube prepared by the method, but directly utilize polyethylene tape to be wound inner wall layer.But still there is the problem that in winding process, polyethylene tape is easily damaged in it.When inner wall layer periphery winding steel wire guipure, tension easily causes inner wall layer to be damaged, and crosses the fastness that pine can affect whole body; When being wound around outer wall layer in steel wire net-belt periphery, tension easily causes outer wall layer to damage, and cross pine and easily cause space between outer wall layer and inner wall layer excessive, welding area is little, affects the fastness of body.
In prior art, in order to make to be connected firmly between outer plastic layer in entwining tube, also have and to prepare adhesive layer in advance in stiffening rib periphery, this adhesive layer generally also adopts polymer etc. to make, when preparing body, the at high temperature melting of the adhesive layer of stiffening rib periphery can be made thus bond together with the internal and external layer of entwining tube.Such as, Authorization Notice No. is Chinese utility model patent " composite silane cross-linked polyethylene pipe of the spiral wound steel wire " (application number: 01247977.2) disclose a kind of structure of CN2580258, it comprises organosilane crosslinked polyethylene internal layer, organosilane crosslinked polyethylene inner layer outer wall is wound with by binder or binder and the coated steel wire of blend polymer the spiral winding structure layer that formed, the outer wall of spiral wound steel wire construction layer has the outer thermoplastic layer be complex as a whole with internal layer and spiral wire construction layer.Bond and plastic material Attribute class seemingly, can at high temperature be bonded together with plastic layer, thus eliminate the gap between steel wire and plastic layer, strengthen the intensity of entwining tube to a certain extent.But, at the coated adhesive layer in steel wire periphery, cause the preparation method of entwining tube complicated on the one hand, add cost, on the other hand, after coated adhesive layer, the elasticity of steel wire is fettered by adhesive layer, the entwining tube made easily is crushed when being subject to larger external force compacting, and bearing capacity is poor.
Also have in prior art and adopt following method to prepare spiral wound pipe: first form inner tube layer at mould periphery winding plastic sheet, then at stiffening ribs such as inner tube layer periphery spiral wound steel wires, outer tube layer is formed again at stiffening rib periphery winding plastic sheet, finally the entirety that said process is formed is heated, inner tube layer and outer tube layer are welded together.Said process is when carrying out last heating steps, and temperature is too high easily causes inner tube layer and/or outer tube layer burn through, and temperature is too low, easily causes the two welding firm not; And in order to avoid steel wire stiffening rib is heated burn through is caused to inner tube layer and/or outer tube layer, usually also can in advance at the coated Bond in steel wire stiffening rib periphery; Simultaneously, the plastics of inner tube layer and outer tube layer can be out of shape in heating process, the spiral wound inner tube wall that finally prepares and outer wall is made all to have wave groove, such pipe is applied in vacuum cleaner, ventilation plant, drainage equipment, the accommodating foreign material that cause are residual in pipe, and residual foreign material long-term existence can corrode inner tube wall, still can affect the working life of pipe, and then impact uses.
In addition, in prior art, the internal layer of entwining tube, stiffening rib layer and skin are all separately be wound around, namely three layers belong to independent structure respectively, just by internal layer and outer field connection, by wherein coated for stiffening rib layer, the equipment needed during preparation is comparatively complicated, and operating cost is higher.
Summary of the invention
Technical problem to be solved by this invention is the present situation for prior art, provides that a kind of structure is simple firmly, intensity is high, long service life, bearing capacity are good, the entwining tube of interior walls be smooth.
The present invention solves the problems of the technologies described above adopted technological scheme: a kind of entwining tube, comprise plastic layer and be coated on the stiffening rib in this plastic layer, it is characterized in that: described plastic layer is formed by a plastic sheet spiral winding, and two adjacent rings plastic sheet overlaps fusion mutually in edge makes described plastic layer is formed with spiral helicine overlap, described stiffening rib is with the coil spring shape of the mating shapes of overlap and is embedded in above-mentioned overlap.
In such scheme, described plastic layer has level and smooth inwall, and such pipe in use not easily accumulates dust, foreign material etc.
As improvement, the interior walls be smooth of described overlap, and the outer wall of described overlap outwards arches upward.Adopt this structure, make the stiffening rib be embedded in plastic layer be positioned at the outer ring of plastic layer, thus avoid the inwall of stiffening rib to plastic layer cause compressing and cause plastic layer inwall to present rough shape of threads.
As preferably, described stiffening rib is wire or plastic wire, is preferably steel wire.
In above-mentioned each preferred version, described entwining tube is synchronously entwined by described plastic sheet and stiffening rib, and in described plastic sheet winding process, described stiffening rib is synchronously wound around and is embedded in overlap.The disposable shaping of entwining tube of the present invention, simple and reasonable.
Compared with prior art, the invention has the advantages that:
Entwining tube overall structure of the present invention is simple, is only entwined by a plastic sheet and a stiffening rib, and this just determines entwining tube of the present invention and needs disposable shaping, and namely in preparation process, plastic sheet needs synchronously to be wound body with stiffening rib, in winding process, plastic sheet is positioned at below, stiffening rib is positioned at top, the two is synchronously wound around on roll shaft mould, the plastic sheet temperature extruded due to plastic extruder is higher, two adjacent rings plastic sheet can overlap fusion mutually in edge, when stiffening rib is wound in after on last circle plastic sheet upper surface, rear one circle plastic sheet in time by stiffening rib cover and with the welding of last circle plastic sheet phase, thus stiffening rib is directly embedded in plastic sheet, in this process, because roll shaft mould is in rotary state always, the roll shaft mould rotated is played a supporting role to internal layer plastic sheet and stiffening rib, make the inboard wall of tube body for preparing level and smooth, not easily dust is accumulated in using process, foreign material etc.,
Body of the present invention is synchronously entwined disposable to plastic sheet and stiffening rib, without the need to subsequent heat process, do not worry that temperature is too high and cause plastic sheet burn through, or, temperature is too low causes being wound around problem fastening not, as long as keep in winding process, plastic sheet is identical with stiffening rib speed of wrap can make the two combine closely, thus makes entwining tube overall structure firm, has longer working life;
The material that entwining tube of the present invention uses is less, save cost of production, simplify production technology, and not need in stiffening rib periphery coated adhesive layer in advance because stiffening rib is directly coated in plastic layer, the spring that stiffening rib is formed is better, even if bear larger external force also can not be crushed, thus make that body intensity is high, bearing capacity good.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the sectional view of Fig. 1;
Fig. 3 is the structure for amplifying schematic diagram of part A in Fig. 2;
Fig. 4 is the winding process schematic diagram of stiffening rib and plastic sheet in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
As shown in Figures 1 to 3, the entwining tube of the present embodiment comprises plastic layer 1 and is coated on the stiffening rib 2 in this plastic layer 1, plastic layer 1 is formed by plastic sheet 100 spiral winding, and two adjacent rings plastic sheet 100 mutually overlaps fusion in edge and makes plastic layer 1 to be formed with spiral helicine overlap 10 in winding process, stiffening rib 2 is shaped to the spring of the mating shapes of overlap 10 and is embedded in above-mentioned overlap 10.Plastic layer 1 in the present embodiment is entwined under the continuous rotation of roll shaft mould by a plastic sheet 100, and roll shaft mould is played a supporting role to the inner side of plastic layer 1 in rotation process, and plastic layer 1 is formed with level and smooth inwall 11.
In the present embodiment, the interior walls be smooth of overlap 10, the outer wall of overlap 10 outwards arches upward, thus make the stiffening rib 2 be embedded in plastic layer 1 be positioned at the outer ring of plastic layer 1, thus the inwall avoiding stiffening rib 2 pairs of plastic layers 1 causes compressing and causes plastic layer 1 inwall to present rough shape of threads.
Stiffening rib 2 in the present embodiment can be wire or plastic wire, but when stiffening rib 2 be wire particularly steel wire time more significantly can embody the advantage of the present embodiment entwining tube, compared with steel wire winding pipe of the prior art, the entwining tube of the present embodiment is without the need to worrying the problem of the easy burn through of tube wall, also in order to sound construction, adhesive layer need not be set in addition, and entwining tube bulk strength is high, bearing capacity good.
The entwining tube of the present embodiment is synchronously entwined steel wire 200 and the plastic sheet 100 extruded, in winding process, using the roll shaft mould constantly rotated as winding axle, as shown in Figure 4, plastic sheet 100 is positioned at below, steel wire 200 is positioned at top, the two is synchronously wound around, plastic sheet 100 temperature extruded due to plastic extruder is higher, two adjacent rings plastic sheet 100 can overlap fusion mutually in edge, when steel wire 200 is wound in after on last circle plastic sheet 100 upper surface, a rear circle plastic sheet 100 in time steel wire 200 is covered and with the welding of last circle plastic sheet 100 phase, thus make steel wire 200 directly be embedded in plastic sheet 100, form the entwining tube being coated with helical steel wire 200, the plastic sheet edge mutually overlapped then forms the overlap 10 for coated steel wire 200.
Claims (6)
1. an entwining tube, comprise plastic layer and be coated on the stiffening rib in this plastic layer, it is characterized in that: described plastic layer is formed by a plastic sheet spiral winding, and two adjacent rings plastic sheet overlaps fusion mutually in edge makes described plastic layer is formed with spiral helicine overlap, described stiffening rib is with the coil spring shape of the mating shapes of overlap and is embedded in above-mentioned overlap.
2. entwining tube according to claim 1, is characterized in that: described plastic layer has level and smooth inwall.
3. entwining tube according to claim 2, is characterized in that: the interior walls be smooth of described overlap, and the outer wall of described overlap outwards arches upward.
4. the entwining tube according to claim 1 or 2 or 3, is characterized in that: described stiffening rib is wire or plastic wire.
5. entwining tube according to claim 4, is characterized in that: described stiffening rib is steel wire.
6. the entwining tube according to claim 1 or 2 or 3, is characterized in that: described entwining tube is synchronously entwined by described plastic sheet and stiffening rib, and in described plastic sheet winding process, described stiffening rib is synchronously wound around and is embedded in overlap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610066458.6A CN105508758A (en) | 2016-01-29 | 2016-01-29 | Winding pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610066458.6A CN105508758A (en) | 2016-01-29 | 2016-01-29 | Winding pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105508758A true CN105508758A (en) | 2016-04-20 |
Family
ID=55716950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610066458.6A Pending CN105508758A (en) | 2016-01-29 | 2016-01-29 | Winding pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105508758A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108401995A (en) * | 2018-05-21 | 2018-08-17 | 广州中臣碧阳船舶科技有限公司 | A kind of krill finishing device for tail portion trawlnet krill ship |
| CN108662305A (en) * | 2018-07-30 | 2018-10-16 | 江苏星河集团有限公司 | A kind of anti-loose double-wall corrugated pipe |
| CN110744800A (en) * | 2019-10-31 | 2020-02-04 | 重庆市一龙管道有限公司 | HDPE steel strip spiral corrugated pipe production mold and corrugated pipe production method |
| CN110755160A (en) * | 2018-07-27 | 2020-02-07 | 优必克股份有限公司 | Protective sleeve of medical instrument and mounting method thereof, laryngeal mask and assembling method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3739815A (en) * | 1971-04-30 | 1973-06-19 | Wiremold Co | Flexible collapsible tubing |
| DE19516617C1 (en) * | 1995-04-25 | 1996-07-11 | Juergen Schulte | Flexible hosepipe with thin flexible wall |
| FR2720471B1 (en) * | 1994-05-25 | 1996-08-30 | Gloanec | Pipe of fibrous material for gaseous fluids and its manufacturing process. |
| WO1998026921A1 (en) * | 1996-12-17 | 1998-06-25 | Walter Kaczorowski | The method of manufacturing a pipe having bending capability and a pipe having bending capability |
| EP1495855A2 (en) * | 2002-09-09 | 2005-01-12 | Fisher & Paykel Healthcare Limited | Method for removing a releasable inner layer from within a conduit |
| CN102466098A (en) * | 2010-11-15 | 2012-05-23 | 雷文才 | Pipe fitting |
| CN205504249U (en) * | 2016-01-29 | 2016-08-24 | 宁波市鄞州邱隘洁力塑料厂 | Winding pipe |
-
2016
- 2016-01-29 CN CN201610066458.6A patent/CN105508758A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3739815A (en) * | 1971-04-30 | 1973-06-19 | Wiremold Co | Flexible collapsible tubing |
| FR2720471B1 (en) * | 1994-05-25 | 1996-08-30 | Gloanec | Pipe of fibrous material for gaseous fluids and its manufacturing process. |
| DE19516617C1 (en) * | 1995-04-25 | 1996-07-11 | Juergen Schulte | Flexible hosepipe with thin flexible wall |
| WO1998026921A1 (en) * | 1996-12-17 | 1998-06-25 | Walter Kaczorowski | The method of manufacturing a pipe having bending capability and a pipe having bending capability |
| EP1495855A2 (en) * | 2002-09-09 | 2005-01-12 | Fisher & Paykel Healthcare Limited | Method for removing a releasable inner layer from within a conduit |
| CN102466098A (en) * | 2010-11-15 | 2012-05-23 | 雷文才 | Pipe fitting |
| CN205504249U (en) * | 2016-01-29 | 2016-08-24 | 宁波市鄞州邱隘洁力塑料厂 | Winding pipe |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108401995A (en) * | 2018-05-21 | 2018-08-17 | 广州中臣碧阳船舶科技有限公司 | A kind of krill finishing device for tail portion trawlnet krill ship |
| CN110755160A (en) * | 2018-07-27 | 2020-02-07 | 优必克股份有限公司 | Protective sleeve of medical instrument and mounting method thereof, laryngeal mask and assembling method thereof |
| CN108662305A (en) * | 2018-07-30 | 2018-10-16 | 江苏星河集团有限公司 | A kind of anti-loose double-wall corrugated pipe |
| CN110744800A (en) * | 2019-10-31 | 2020-02-04 | 重庆市一龙管道有限公司 | HDPE steel strip spiral corrugated pipe production mold and corrugated pipe production method |
| CN110744800B (en) * | 2019-10-31 | 2021-05-25 | 重庆市一龙管道有限公司 | Steel strip spiral corrugated pipe production mold and corrugated pipe production method |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160420 |