CN104405973B - Flange steel-plastic multiple tube regulates short tube - Google Patents
Flange steel-plastic multiple tube regulates short tube Download PDFInfo
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- CN104405973B CN104405973B CN201410701648.1A CN201410701648A CN104405973B CN 104405973 B CN104405973 B CN 104405973B CN 201410701648 A CN201410701648 A CN 201410701648A CN 104405973 B CN104405973 B CN 104405973B
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- flange
- steel
- short tube
- tube
- plastic
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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
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
- F16L19/0212—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means
- F16L19/0218—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means comprising only sealing rings
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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
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/04—Screw-threaded joints; Forms of screw-threads for such joints with additional sealings
Abstract
Flange steel-plastic multiple tube regulates short tube, including external screw thread flange steel-plastic compound short tube (1), described external screw thread flange steel-plastic compound short tube (1) is set to two, its one end is provided with flange, the other end is provided with external screw thread, slotted nut (2) and sealing gasket (3) it is respectively installed with successively in described external screw thread one end, also include female thread steel-plastics composite pipe regulating part (4), described female thread steel-plastics composite pipe regulating part (4) two ends are equipped with female thread, for threadeding between two described external screw threads flange steel-plastic compound short tube (1) and female thread steel-plastics composite pipe regulating part (4). the present invention compared with prior art provides the benefit that: present configuration is simple, easy for installation, can be processed according to the accurate size of on-site land survey and install and have concurrently adjustable technique effect, construction cost is the invention enables to be greatly reduced, also significantly accelerating construction speed, efficiency of construction significantly improves simultaneously.
Description
Technical field
The present invention relates to steel-plastics composite pipe, particularly relate to flange steel-plastic multiple tube and regulate short tube.
Background technology
The length of the flange steel-plastic multiple tube (line plastic-steel tube) provided at this industry field of track traffic at present is all sizing that is 6 meter/root, and be often required to need to be truncated into above-mentioned flange steel-plastic multiple tube 6 meters long large batch of flange steel-plastic multiple tube short tube according to site operation in actual construction process, to meet construction and installation requirement. These flange steel-plastic multiple tube short tubes are of many uses, are mainly used in the connection between end and the relevant device of air conditioning system freezing, cooling water pipe, public area and connection for connecting between Cooling Tower for Air conditioning System in Air Conditioning Facilities or in pump house. Engineering design enterprise generally is difficult to accurately mark the physical length of these short tube sizes in drawing in the design phase, generally should determining short tube size according to the exploration of job site practical situation, work process designing unit does not generally carry out actual survey work. Therefore, unit in charge of construction generally determined the accurate size of required flange steel-plastic multiple tube short tube before this in real work by actual survey, then need on flange steel-plastic multiple tube 6 meters long, to carry out flange with steel pipe spot welding to position the length of these short tubes and to block position by the actual size of these short tubes, also need to return the flange steel-plastic multiple tube that these are 6 meters long factory afterwards to block and be processed into flange steel-plastic multiple tube short tube, so freight charges and construction cost not only it are added significantly to, also significantly delaying normal construction speed, efficiency of construction is low. And in practice of construction, line plastic-steel tube 6 meters long is directly carried out cutting welded flange by most unit in charge of construction at the construction field (site), cutting and the produced high temperature of welding are then highly vulnerable to breakage the plastic lining layer of line plastic-steel tube, and significantly reduce the shear strength between steel pipe and plastic lining layer, these linings mould short tube once come into operation, the lining plastic layer moulded in short tube is very easily caused to separate and then see the serious consequence of plug pipeline steel pipe walls under the impact of press water, as got rid of this fault not in time, the generation of serious accident finally will certainly be further resulted in.
The Chinese utility model patent that the patent No. is ZL200720082683.5 discloses a kind of butt weld type plastic lined steel pipe, including steel pipe body, it is characterised in that described butt weld type plastic lined steel pipe is additionally provided with internal lining pipe, internal lining pipe is close to steel pipe inner body wall, and steel pipe body end is provided with stainless steel tube. Internal lining pipe is plastic tube, to prevent electrochemical corrosion and the fouling of pipe material inner wall, prevent the pollution to tube fluid of the steel pipe body simultaneously, this utility model solves the problem that in prior art, tubing docking destroys inner lining plastic tube, improve bearing capacity and the soldering reliability of tubing, there is practical value widely. This utility model belongs to composite pipe field. But this utility model needs when the connection carried out between two line plastic-steel tubes first to weld a bit of stainless steel tube in steel pipe body end, the inner plastic by respective steel pipe body end is also needed to remove a bit of, expose stainless steel tube, carry out argon fluorine welding by stainless steel tube welding procedure and just can complete the connection of two line plastic-steel tubes, obviously, in this utility model, the connecting length of two line plastic-steel tubes cannot be adjusted, and butt joint type Joining Technology is complicated, inefficiency.
The Chinese utility model patent that the patent No. is ZL200720082682.0 discloses a kind of butt weld type two-sided plastic lining steel pipe, including steel pipe body, it is characterized in that, described butt weld type two-sided plastic lining steel pipe is additionally provided with internal lining pipe and outer liner tube, internal lining pipe is close to steel pipe inner body wall, and outer liner tube is coated in outer surface of steel tube, and steel pipe body end is provided with stainless steel tube, during two two-sided line plastic-steel tube docking, stainless steel tube butt welding place outer surface is provided with for antiseptical thermal shrinkable sleeve. Outer liner tube and internal lining pipe are all plastic tube; in order to improve the antiseptic power of steel pipe body environment to external world; prevent the pollution to tube fluid of the steel pipe body simultaneously; the problem that this utility model destroys inner lining plastic tube when solving tubing docking in prior art; strengthen the protection to pipe outer surface simultaneously, there is practical value widely. This utility model belongs to composite pipe field. But this utility model welds a bit of stainless steel tube when the connection carried out between two two-sided line plastic-steel tubes firstly the need of in steel pipe body end, then also need to remove a bit of by the inside and outside layer plastics of respective steel pipe body end, expose stainless steel tube, carry out argon fluorine welding by stainless steel tube welding procedure. Weld intact after, with thermal shrinkable sleeve, weld outer surface is coated, thus forming an entirety. Obviously, in this utility model, the connecting length of two two-sided line plastic-steel tubes cannot be adjusted, and butt joint type Joining Technology is complicated, inefficiency.
The Chinese utility model patent that the patent No. is ZL200520090783.3 discloses a kind of shoulder clip being coated with line plastic-steel tube, this shoulder clip includes the radial projection in each pipe end or the tube end region being arranged on butt tube and is coated on ends of tubes region the locking ring folder utilizing radial projection to be docking together, and is arranged on the sealing member at two pipe seam gap positions. Radial projection does not change the wall thickness of pipe, makes the entirety of pipe keep uniform thickness, and then can extend its service life and reduce cost of manufacture; Meanwhile, locking ring folder adopts the structure of semicircle clip so that it is install very convenient, and cost is relatively low. But the connecting length of two line plastic-steel tubes cannot be adjusted in this utility model, it is not easy to actual field construction and installation.
The Chinese utility model patent that the patent No. is ZL200820200098.5 discloses a kind of line plastic-steel tube being tightly connected, two line plastic-steel tubes (1) are linked together by pipe fitting, sealing ring (2) it is provided with between line plastic-steel tube (1) and pipe fitting, it is characterized in that described sealing ring (2) at least includes integrated two parts, lay respectively at end face and the inner surface of line plastic-steel tube (1), or lay respectively at end face and the outer surface of line plastic-steel tube (1). This utility model by being set to the structure with multiple different sealing face by sealing ring, it is ensured that sealing effectiveness, overcomes existing sealing ring because of the deficiency of one side or single layer structure. But the connecting length of two line plastic-steel tubes cannot be adjusted in this utility model, it is not easy to actual field construction and installation.
The Chinese utility model patent that the patent No. is ZL201020184314.9 discloses a kind of line plastic-steel tube, especially a kind of plastic lining steel pipe for groove connection. This utility model provides a kind of convenient construction, the reliable plastic lining steel pipe for groove connection of attachment security, including line plastic-steel tube, sealing ring, ditch trough connection, line plastic-steel tube is attached and sealing by ditch trough connection and sealing ring, the outer wall of line plastic-steel tube termination is provided with steel loop, and the inwall of ditch trough connection is provided with the groove suitable with steel loop. By arranging steel loop in line plastic-steel tube termination, thus not needing, by special plant equipment, line plastic-steel tube port is carried out rolling and processing groove when connecting, destroy thus avoiding rolled cut-out of inner lining plastic tube, ensure that the integrity of inner lining plastic tube and Corrosion Protection, cause port of steel pipe to be deformed into trumpet-shaped phenomenon when avoiding rolling and processing groove to occur, it is ensured that the sealing property of sealing ring simultaneously. The port of steel pipe is provided with anticorrosive coat, has the Corrosion Protection of excellence. But the connecting length of two line plastic-steel tubes cannot be adjusted in this utility model, it is not easy to actual field construction and installation.
Summary of the invention
In order to solve the technical problem that above-mentioned existing steel-plastics composite pipe exists, the technical solution used in the present invention is as follows:
Flange steel-plastic multiple tube regulates short tube, including external screw thread flange steel-plastic compound short tube, described external screw thread flange steel-plastic compound short tube is set to two, its one end is provided with flange, the other end is provided with external screw thread, slotted nut and sealing gasket it is respectively installed with successively in described external screw thread one end, also include female thread steel-plastics composite pipe regulating part, described female thread steel-plastics composite pipe regulating part two ends are equipped with female thread, for threadeding between two described external screw thread flange steel-plastic compound short tubes and female thread steel-plastics composite pipe regulating part; It is provided with concave station in the flange endoporus side end face of described external screw thread flange steel-plastic compound short tube, described concave station bottom surface is provided with ring groove, being provided with end face of flange covered plastics layer in the ring groove of described concave station and concave station bottom surface, described end face of flange covered plastics layer and end face of flange flush the inner circle plastic lining layer by described external screw thread flange steel-plastic compound short tube extend in the cavity of the ring groove of end face of flange and full described concave station and concave station bottom surface.
Flange steel-plastic multiple tube regulates short tube, compound short tube is moulded including the two-sided lining of external screw thread flange, the described two-sided lining of external screw thread flange is moulded compound short tube and is set to two, its one end is provided with flange, the other end is provided with external screw thread, slotted nut and sealing gasket it is respectively installed with successively in described external screw thread one end, also include female thread steel-plastics composite pipe regulating part, described female thread steel-plastics composite pipe regulating part two ends are equipped with female thread, and two described two-sided linings of external screw thread flange are moulded between compound short tube with female thread steel-plastics composite pipe regulating part as threadeding; The flange endoporus side end face moulding compound short tube at the described two-sided lining of external screw thread flange is provided with concave station, described concave station bottom surface is provided with ring groove, the ring groove of described concave station and concave station bottom surface is provided with end face of flange covered plastics layer, during described end face of flange covered plastics layer and end face of flange flush the inner circle plastic lining layer being moulded compound short tube by the described two-sided lining of external screw thread flange extend to end face of flange and be full of the cavity of ring groove of described concave station and concave station bottom surface.
Preferably, described female thread steel-plastics composite pipe regulating part wall within it has seal groove, and described seal groove is built with sealing shroud.
In any of the above-described scheme preferably, the end face of described sealing gasket is plane, its other end is male cone (strobilus masculinus), the both ends of the surface of described slotted nut are plane, the described planar end of the described planar end of described sealing gasket and described slotted nut is formed and is tightly connected, the two ends of described female thread steel-plastics composite pipe regulating part are provided with the inner conical surface that the male cone (strobilus masculinus) with described sealing gasket matches, and are tightly connected to be formed.
In any of the above-described scheme preferably, the end face of described sealing gasket is plane, and its other end is male cone (strobilus masculinus); The end face of described slotted nut is plane, and its other end is inner conical surface; The inner conical surface of the male cone (strobilus masculinus) of described sealing gasket and described slotted nut matches and is formed and is tightly connected, and the two ends of described female thread steel-plastics composite pipe regulating part are provided with the planar end that the planar end with described sealing gasket matches, and is tightly connected to be formed.
In any of the above-described scheme preferably, the described external screw thread flange steel-plastic compound short tube end face in its external screw thread side is provided with end of thread face covered plastics layer, described end of thread face covered plastics layer is extended to the external screw thread end face of external screw thread flange steel-plastic compound short tube by inner circle plastic lining layer, and described end of thread face covered plastics layer adopts spraying coating process.
In any of the above-described scheme preferably, the described two-sided lining of external screw thread flange is moulded the compound short tube end face in its external screw thread side and is provided with end of thread face covered plastics layer, described end of thread face covered plastics layer is extended to the described two-sided lining of external screw thread flange by inner circle plastic lining layer and moulds the external screw thread end face of compound short tube, and described end of thread face covered plastics layer adopts spraying coating process.
In any of the above-described scheme preferably, described sealing gasket adopts thermoplastic elastomer (TPE) TPE.
In any of the above-described scheme preferably, described thermoplastic elastomer (TPE) TPE adopts phenylethylene TPE and TPS.
In any of the above-described scheme preferably, described thermoplastic elastomer (TPE) TPE adopts olefines TPE and TPO.
In any of the above-described scheme preferably, described thermoplastic elastomer (TPE) TPE adopts dienes TPE and the trans natural rubber of thermoplasticity.
In any of the above-described scheme preferably, described thermoplastic elastomer (TPE) TPE adopts polyvinyl chloride-base TPE.
In any of the above-described scheme preferably, described polyvinyl chloride-base TPE adopts thermoplastic PVC and TPVC.
In any of the above-described scheme preferably, described polyvinyl chloride-base TPE adopts thermoplasticity CPE and TCPE.
In any of the above-described scheme preferably, described thermoplastic elastomer (TPE) TPE adopts polyurethanes TPE and TPU.
In any of the above-described scheme preferably, described sealing gasket adopts asbestos pad.
In any of the above-described scheme preferably, described sealing gasket adopts rubber blanket.
In any of the above-described scheme preferably, described sealing gasket adopts politef cylinder-packing rubber blanket.
In any of the above-described scheme preferably, described asbestos pad adopts common asbestos-packing gasket.
In any of the above-described scheme preferably, described asbestos pad adopts oil resisting paronite pad.
In any of the above-described scheme preferably, described asbestos pad adopts low pressure asbestos rubber sheet gasket.
In any of the above-described scheme preferably, described asbestos pad presses asbestos-packing gasket in adopting.
In any of the above-described scheme preferably, described asbestos pad adopts high pressure asbestos rubber sheet gasket.
In any of the above-described scheme preferably, described rubber blanket adopts natural rubber.
In any of the above-described scheme preferably, described rubber blanket adopts butadiene-styrene rubber.
In any of the above-described scheme preferably, described rubber blanket adopts butyl rubber.
In any of the above-described scheme preferably, described rubber blanket adopts hydrogenated nitrile-butadiene rubber.
In any of the above-described scheme preferably, described rubber blanket adopts EP rubbers.
In any of the above-described scheme preferably, described rubber blanket adopts nitrile rubber.
In any of the above-described scheme preferably, described rubber blanket adopts neoprene.
In any of the above-described scheme preferably, described rubber blanket adopts isoprene rubber.
In any of the above-described scheme preferably, described rubber blanket adopts butadiene rubber.
In any of the above-described scheme preferably, described rubber blanket adopts silicone rubber.
In any of the above-described scheme preferably, described rubber blanket adopts fluorubber.
In any of the above-described scheme preferably, described rubber blanket adopts thiorubber..
In any of the above-described scheme preferably, described rubber blanket adopts chlorohydrin rubber.
In any of the above-described scheme preferably, described rubber blanket adopts lactoprene.
In any of the above-described scheme preferably, described rubber blanket adopts polyurethane rubber.
The present invention compared with prior art provides the benefit that: present configuration is simple, easy for installation, it is possible to be processed, install and have concurrently adjustable technique effect according to the accurate size of on-site land survey. On the one hand, the present invention significantly saves and originally needs in work progress that flange steel-plastic multiple tube 6 meters long returns factory and block the freight charges and construction cost that are processed into flange steel-plastic multiple tube short tube, significantly accelerates construction speed simultaneously, and efficiency of construction significantly improves; On the other hand, the present invention completely eliminates the on-the-spot processing content that line plastic-steel tube 6 meters long carries out cutting welded flange at the construction field (site), thus be effectively ensured required lining mould short tube intact, be normally used, also improve the working life of overall pipeline to greatest extent. In addition, when end face of flange covered plastics layer set by the present invention makes it be connected with the flange plastic-lined steel pipe that same manufacture method is made with another part, it is able to ensure that the plastic lining layer being coated in steel pipe inner wall plane will not be subject to the impact of overpressure water, thoroughly stop steel and moulded degumming layering and the phenomenon of blocking pipeline, and then also effectively prevent the generation of quality accidents related to this; This end of thread face covered plastics layer has also thoroughly been stopped the water in pipe and has been contacted with the metal level of steel pipe produced water pollution issue simultaneously, the safety of drinking water quality in effective guarantee pipe.
Accompanying drawing explanation
Fig. 1 regulates short tube preferably with one side plastic lining layer and the structural representation of embodiment in conical surface seal between female thread steel-plastics composite pipe regulating part and sealing gasket according to the flange steel-plastic multiple tube of the present invention;
Fig. 2 regulates short tube preferably with two-sided plastic lining layer and the structural representation of embodiment in conical surface seal between female thread steel-plastics composite pipe regulating part and sealing gasket according to the flange steel-plastic multiple tube of the present invention.
Fig. 3 regulates short tube preferably with one side plastic lining layer and the structural representation of embodiment in conical surface seal between slotted nut and sealing gasket according to the flange steel-plastic multiple tube of the present invention;
Fig. 4 regulates short tube preferably with two-sided plastic lining layer and the structural representation of embodiment in conical surface seal between slotted nut and sealing gasket according to the flange steel-plastic multiple tube of the present invention.
Description of reference numerals:
1 external screw thread flange steel-plastic compound short tube; 2 slotted nuts; 3 sealing gaskets; 4 female thread steel-plastics composite pipe regulating parts; 5 external screw threads are double; two moulds flange composite steel tube.
Detailed description of the invention
In order to be more fully understood that the present invention, below in conjunction with specific embodiment, the present invention is explained in detail, it is clear that the present invention can be carried out different modification and remodeling and without departing from the broader spirit and scope of the present invention of appended claims. Therefore, following example are to have the exemplary implication without restriction.
Embodiment 1:
As shown in Figure 1, flange steel-plastic multiple tube regulates short tube, including external screw thread flange steel-plastic compound short tube 1, described external screw thread flange steel-plastic compound short tube 1 is set to two, its one end is provided with flange, the other end is provided with external screw thread, slotted nut 2 and sealing gasket 3 it is respectively installed with successively in described external screw thread one end, also include female thread steel-plastics composite pipe regulating part 4, described female thread steel-plastics composite pipe regulating part 4 two ends are equipped with female thread, for threadeding between two described external screw thread flange steel-plastic compound short tubes 1 and female thread steel-plastics composite pipe regulating part 4, female thread steel-plastics composite pipe regulating part 4 wall within it has seal groove, described seal groove is built with sealing shroud, the end face of sealing gasket 3 is plane, its other end is male cone (strobilus masculinus), the both ends of the surface of slotted nut 2 are plane, the described planar end of the described planar end of sealing gasket 3 and slotted nut 2 is formed and is tightly connected, the two ends of female thread steel-plastics composite pipe regulating part 4 are provided with the inner conical surface that the male cone (strobilus masculinus) with sealing gasket 3 matches, it is tightly connected to be formed, the flange endoporus side end face of screwed flange steel plastic compount short tube 1 is provided with concave station outside, described concave station bottom surface is provided with ring groove, the ring groove of described concave station and concave station bottom surface is provided with end face of flange plastic lining layer, described end face of flange plastic lining layer and end face of flange flush the inner circle plastic lining layer by the two compound short tube extend in the cavity of the ring groove of end face of flange and full described concave station and concave station bottom surface, the external screw thread flange steel-plastic compound short tube 1 end face in its external screw thread side is provided with end of thread face covered plastics layer, described end of thread face covered plastics layer is extended to the external screw thread end face of external screw thread flange steel-plastic compound short tube 1 by inner circle plastic lining layer, sealing gasket 3 adopts thermoplastic elastomer (TPE) TPE, described thermoplastic elastomer (TPE) TPE adopts phenylethylene TPE and TPS.
The operation principle of the present embodiment: include two external screw thread flange steel-plastic compound short tubes 1, two slotted nuts 2, two sealing gaskets 3 and 1 female thread steel-plastics composite pipe regulating part 4, first two slotted nuts 2 are attached separately to two ends of thread of two external screw thread flange steel-plastic compound short tubes 1, secondly sealing gasket 3 is also sleeved on this two end of thread and compresses with slotted nut 2, it is fitted with slotted nut 2 by one, the external screw thread flange steel-plastic compound short tube 1 of sealing gasket 3 is connected with an end of thread of female thread steel-plastics composite pipe regulating part 4, again another root is fitted with slotted nut 2, the external screw thread flange steel-plastic compound short tube 1 of sealing gasket 3 is connected with another end of thread of female thread steel-plastics composite pipe regulating part 4, the flange steel-plastic multiple tube of the present invention regulates first being connect by the pipe of actual survey of basic installation length of short tube to carry out finely tuning to reach the installation requirement of site operation with the screw thread that connects on female thread steel-plastics composite pipe regulating part 4 after size primarily determines that again.
Embodiment 2:
As shown in Figure 2, flange steel-plastic multiple tube regulates short tube, compound short tube 5 is moulded including the two-sided lining of external screw thread flange, the described two-sided lining of external screw thread flange is moulded compound short tube 5 and is set to two, its one end is provided with flange, the other end is provided with external screw thread, slotted nut 2 and sealing gasket 3 it is respectively installed with successively in described external screw thread one end, also include female thread steel-plastics composite pipe regulating part 4, described female thread steel-plastics composite pipe regulating part 4 two ends are equipped with female thread, two described two-sided linings of external screw thread flange are moulded between compound short tube 5 with female thread steel-plastics composite pipe regulating part 4 as threadeding, female thread steel-plastics composite pipe regulating part 4 wall within it has seal groove, described seal groove is built with sealing shroud, the end face of sealing gasket 3 is plane, its other end is male cone (strobilus masculinus), the both ends of the surface of slotted nut 2 are plane, the described planar end of the described planar end of sealing gasket 3 and slotted nut 2 is formed and is tightly connected, the two ends of female thread steel-plastics composite pipe regulating part 4 are provided with the inner conical surface that the male cone (strobilus masculinus) with sealing gasket 3 matches, it is tightly connected to be formed, the two-sided lining of screwed flange is moulded the flange endoporus side end face of compound short tube 5 and is provided with concave station outside, described concave station bottom surface is provided with ring groove, the ring groove of described concave station and concave station bottom surface is provided with end face of flange plastic lining layer, described end face of flange plastic lining layer and end face of flange flush the inner circle plastic lining layer by the two compound short tube extend in the cavity of the ring groove of end face of flange and full described concave station and concave station bottom surface, the two-sided lining of external screw thread flange is moulded the compound short tube 5 end face in its external screw thread side and is provided with end of thread face covered plastics layer, described end of thread face covered plastics layer is extended to the two-sided lining of external screw thread flange by inner circle plastic lining layer and moulds the external screw thread end face of compound short tube 5, sealing gasket 3 adopts thermoplastic elastomer (TPE) TPE, described thermoplastic elastomer (TPE) TPE adopts phenylethylene TPE and TPS.
The operation principle of the present embodiment: include two two-sided linings of external screw thread flange and mould compound short tube 5, two slotted nuts 2, two sealing gaskets 3 and 1 female thread steel-plastics composite pipe regulating part 4, first two slotted nuts 2 are attached separately to two two-sided linings of external screw thread flange and mould two ends of thread of compound short tube 5, secondly sealing gasket 3 is also sleeved on this two end of thread and compresses with slotted nut 2, it is fitted with slotted nut 2 by one, the two-sided lining of external screw thread flange of sealing gasket 3 is moulded compound short tube 5 and is connected with an end of thread of female thread steel-plastics composite pipe regulating part 4, again another root is fitted with slotted nut 2, the two-sided lining of external screw thread flange of sealing gasket 3 is moulded compound short tube 5 and is connected with another end of thread of female thread steel-plastics composite pipe regulating part 4, the flange steel-plastic multiple tube of the present invention regulates first being connect by the pipe of actual survey of basic installation length of short tube to carry out finely tuning to reach the installation requirement of site operation with the screw thread that connects on female thread steel-plastics composite pipe regulating part 4 after size primarily determines that again.
Embodiment 3:
As it is shown on figure 3, flange steel-plastic multiple tube regulate short tube, similar to embodiment 1, institute the difference is that, the end face of sealing gasket 3 is plane, and its other end is male cone (strobilus masculinus); The end face of slotted nut 2 is plane, and its other end is inner conical surface; The described male cone (strobilus masculinus) of sealing gasket 3 and the described inner conical surface of slotted nut 2 match and are formed and be tightly connected, and the two ends of female thread steel-plastics composite pipe regulating part 4 are provided with the planar end that the planar end with sealing gasket 3 matches, and are tightly connected to be formed.
Embodiment 4:
As shown in Figure 4, flange steel-plastic multiple tube regulate short tube, similar to embodiment 2, institute the difference is that, the end face of sealing gasket 3 is plane, and its other end is male cone (strobilus masculinus); The end face of slotted nut 2 is plane, and its other end is inner conical surface; The described male cone (strobilus masculinus) of sealing gasket 3 and the described inner conical surface of slotted nut 2 match and are formed and be tightly connected, and the two ends of female thread steel-plastics composite pipe regulating part 4 are provided with the planar end that the planar end with sealing gasket 3 matches, and are tightly connected to be formed.
Embodiment 5:
Flange steel-plastic multiple tube regulate short tube, similar to embodiment 1 or 2 or 3 or 4, institute the difference is that, described thermoplastic elastomer (TPE) TPE adopts olefines TPE and TPO.
Embodiment 6:
Flange steel-plastic multiple tube regulates short tube, similar to embodiment 1 or 2 or 3 or 4, and institute adopts dienes TPE and the trans natural rubber of thermoplasticity the difference is that, described thermoplastic elastomer (TPE) TPE.
Embodiment 7:
Flange steel-plastic multiple tube regulates short tube, similar to embodiment 1 or 2 or 3 or 4, and institute adopts polyvinyl chloride-base TPE, described polyvinyl chloride-base TPE employing thermoplastic PVC and TPVC the difference is that, described thermoplastic elastomer (TPE) TPE.
Embodiment 8:
Flange steel-plastic multiple tube regulate short tube, similar to embodiment 1 or 2 or 3 or 4, institute the difference is that, described thermoplastic elastomer (TPE) TPE adopts polyvinyl chloride-base TPE, described polyvinyl chloride-base TPE to adopt thermoplasticity CPE and TCPE.
Embodiment 9:
Flange steel-plastic multiple tube regulate short tube, similar to embodiment 1 or 2 or 3 or 4, institute the difference is that, described thermoplastic elastomer (TPE) TPE adopts polyurethanes TPE and TPU.
Embodiment 10:
Flange steel-plastic multiple tube regulate short tube, similar to embodiment 1 or 2 or 3 or 4, institute the difference is that, sealing gasket 3 adopts asbestos pad, described asbestos pad adopt common asbestos-packing gasket.
Embodiment 11:
Flange steel-plastic multiple tube regulate short tube, similar to embodiment 1 or 2 or 3 or 4, institute the difference is that, sealing gasket 3 adopts asbestos pad, described asbestos pad adopt oil resisting paronite pad.
Embodiment 12:
Flange steel-plastic multiple tube regulate short tube, similar to embodiment 1 or 2 or 3 or 4, institute the difference is that, sealing gasket 3 adopts asbestos pad, described asbestos pad adopt low pressure asbestos rubber sheet gasket.
Embodiment 13:
Flange steel-plastic multiple tube regulate short tube, similar to embodiment 1 or 2 or 3 or 4, institute the difference is that, sealing gasket 3 adopts asbestos pad, described asbestos pad adopt in pressure asbestos-packing gasket.
Embodiment 14:
Flange steel-plastic multiple tube regulate short tube, similar to embodiment 1 or 2 or 3 or 4, institute the difference is that, sealing gasket 3 adopts asbestos pad, described asbestos pad adopt high pressure asbestos rubber sheet gasket.
Embodiment 15:
Flange steel-plastic multiple tube regulate short tube, similar to embodiment 1 or 2 or 3 or 4, institute the difference is that, sealing gasket 3 adopts rubber blanket, described rubber blanket adopt natural rubber.
Embodiment 16:
Flange steel-plastic multiple tube regulate short tube, similar to embodiment 1 or 2 or 3 or 4, institute the difference is that, sealing gasket 3 adopts rubber blanket, described rubber blanket adopt butadiene-styrene rubber.
Embodiment 17:
Flange steel-plastic multiple tube regulate short tube, similar to embodiment 1 or 2 or 3 or 4, institute the difference is that, sealing gasket 3 adopts rubber blanket, described rubber blanket adopt butyl rubber.
Embodiment 18:
Flange steel-plastic multiple tube regulate short tube, similar to embodiment 1 or 2 or 3 or 4, institute the difference is that, sealing gasket 3 adopts rubber blanket, described rubber blanket adopt hydrogenated nitrile-butadiene rubber.
Embodiment 19:
Flange steel-plastic multiple tube regulate short tube, similar to embodiment 1 or 2 or 3 or 4, institute the difference is that, sealing gasket 3 adopts rubber blanket, described rubber blanket adopt EP rubbers.
Embodiment 20:
Flange steel-plastic multiple tube regulate short tube, similar to embodiment 1 or 2 or 3 or 4, institute the difference is that, sealing gasket 3 adopts rubber blanket, described rubber blanket adopt nitrile rubber.
Embodiment 21:
Flange steel-plastic multiple tube regulate short tube, similar to embodiment 1 or 2 or 3 or 4, institute the difference is that, sealing gasket 3 adopts rubber blanket, described rubber blanket adopt neoprene.
Embodiment 22:
Flange steel-plastic multiple tube regulate short tube, similar to embodiment 1 or 2 or 3 or 4, institute the difference is that, sealing gasket 3 adopts rubber blanket, described rubber blanket adopt isoprene rubber.
Embodiment 23:
Flange steel-plastic multiple tube regulate short tube, similar to embodiment 1 or 2 or 3 or 4, institute the difference is that, sealing gasket 3 adopts rubber blanket, described rubber blanket adopt butadiene rubber.
Embodiment 24:
Flange steel-plastic multiple tube regulate short tube, similar to embodiment 1 or 2 or 3 or 4, institute the difference is that, sealing gasket 3 adopts rubber blanket, described rubber blanket adopt silicone rubber.
Embodiment 25:
Flange steel-plastic multiple tube regulate short tube, similar to embodiment 1 or 2 or 3 or 4, institute the difference is that, sealing gasket 3 adopts rubber blanket, described rubber blanket adopt fluorubber.
Embodiment 26:
Flange steel-plastic multiple tube regulate short tube, similar to embodiment 1 or 2 or 3 or 4, institute the difference is that, sealing gasket 3 adopts rubber blanket, described rubber blanket adopt thiorubber..
Embodiment 27:
Flange steel-plastic multiple tube regulate short tube, similar to embodiment 1 or 2 or 3 or 4, institute the difference is that, sealing gasket 3 adopts rubber blanket, described rubber blanket adopt chlorohydrin rubber.
Embodiment 28:
Flange steel-plastic multiple tube regulate short tube, similar to embodiment 1 or 2 or 3 or 4, institute the difference is that, sealing gasket 3 adopts rubber blanket, described rubber blanket adopt lactoprene.
Embodiment 29:
Flange steel-plastic multiple tube regulate short tube, similar to embodiment 1 or 2 or 3 or 4, institute the difference is that, sealing gasket 3 adopts rubber blanket, described rubber blanket adopt polyurethane rubber.
Claims (38)
1. flange steel-plastic multiple tube regulates short tube, including external screw thread flange steel-plastic compound short tube (1), it is characterized in that, described external screw thread flange steel-plastic compound short tube (1) is set to two, its one end is provided with flange, the other end is provided with external screw thread, slotted nut (2) and sealing gasket (3) it is respectively installed with successively in described external screw thread one end, also include female thread steel-plastics composite pipe regulating part (4), described female thread steel-plastics composite pipe regulating part (4) two ends are equipped with female thread, for threadeding between two described external screw threads flange steel-plastic compound short tube (1) and female thread steel-plastics composite pipe regulating part (4), the flange endoporus side end face of screwed flange steel plastic compount short tube (1) is provided with concave station outside, described concave station bottom surface is provided with ring groove, being provided with end face of flange covered plastics layer in the ring groove of described concave station and concave station bottom surface, described end face of flange covered plastics layer and end face of flange flush the inner circle plastic lining layer by described external screw thread flange steel-plastic compound short tube (1) extend in the cavity of the ring groove of end face of flange and full described concave station and concave station bottom surface.
2. flange steel-plastic multiple tube regulates short tube, compound short tube (5) is moulded including the two-sided lining of external screw thread flange, it is characterized in that, the described two-sided lining of external screw thread flange is moulded compound short tube (5) and is set to two, its one end is provided with flange, the other end is provided with external screw thread, slotted nut (2) and sealing gasket (3) it is respectively installed with successively in described external screw thread one end, also include female thread steel-plastics composite pipe regulating part (4), described female thread steel-plastics composite pipe regulating part (4) two ends are equipped with female thread, two described two-sided linings of external screw thread flange are moulded between compound short tube (5) with female thread steel-plastics composite pipe regulating part (4) as threadeding, the two-sided lining of screwed flange is moulded the flange endoporus side end face of compound short tube (5) and is provided with concave station outside, described concave station bottom surface is provided with ring groove, the ring groove of described concave station and concave station bottom surface is provided with end face of flange covered plastics layer, during described end face of flange covered plastics layer and end face of flange flush the inner circle plastic lining layer being moulded compound short tube (5) by the described two-sided lining of external screw thread flange extend to end face of flange and be full of the cavity of ring groove of described concave station and concave station bottom surface.
3. flange steel-plastic multiple tube as claimed in claim 1 or 2 regulates short tube, it is characterised in that female thread steel-plastics composite pipe regulating part (4) wall within it has seal groove, and described seal groove is built with sealing shroud.
4. flange steel-plastic multiple tube as claimed in claim 1 or 2 regulates short tube, it is characterized in that, the end face of sealing gasket (3) is plane, its other end is male cone (strobilus masculinus), the both ends of the surface of slotted nut (2) are plane, the described planar end of the described planar end of sealing gasket (3) and slotted nut (2) is formed and is tightly connected, and the two ends of female thread steel-plastics composite pipe regulating part (4) are provided with the inner conical surface that the male cone (strobilus masculinus) with sealing gasket (3) matches, and is tightly connected to be formed.
5. flange steel-plastic multiple tube as claimed in claim 1 or 2 regulates short tube, it is characterised in that the end face of sealing gasket (3) is plane, and its other end is male cone (strobilus masculinus); The end face of slotted nut (2) is plane, and its other end is inner conical surface;The described inner conical surface of the described male cone (strobilus masculinus) of sealing gasket (3) and slotted nut (2) matches and is formed and is tightly connected, the two ends of female thread steel-plastics composite pipe regulating part (4) are provided with the planar end that the planar end with sealing gasket (3) matches, and are tightly connected to be formed.
6. flange steel-plastic multiple tube as claimed in claim 1 regulates short tube, it is characterized in that, external screw thread flange steel-plastic compound short tube (1) end face in its external screw thread side is provided with end of thread face covered plastics layer, and described end of thread face covered plastics layer is extended to the external screw thread end face of external screw thread flange steel-plastic compound short tube (1) by inner circle plastic lining layer.
7. flange steel-plastic multiple tube as claimed in claim 2 regulates short tube, it is characterized in that, the two-sided lining of external screw thread flange is moulded the compound short tube (5) end face in its external screw thread side and is provided with end of thread face covered plastics layer, and described end of thread face covered plastics layer is extended to the two-sided lining of external screw thread flange by inner circle plastic lining layer and moulds the external screw thread end face of compound short tube (5).
8. flange steel-plastic multiple tube as claimed in claim 1 or 2 regulates short tube, it is characterised in that sealing gasket (3) adopts thermoplastic elastomer (TPE) TPE.
9. flange steel-plastic multiple tube as claimed in claim 8 regulates short tube, it is characterised in that described thermoplastic elastomer (TPE) TPE adopts phenylethylene TPE and TPS.
10. flange steel-plastic multiple tube as claimed in claim 8 regulates short tube, it is characterised in that described thermoplastic elastomer (TPE) TPE adopts olefines TPE and TPO.
11. flange steel-plastic multiple tube as claimed in claim 8 regulates short tube, it is characterised in that described thermoplastic elastomer (TPE) TPE adopts dienes TPE and the trans natural rubber of thermoplasticity.
12. flange steel-plastic multiple tube as claimed in claim 8 regulates short tube, it is characterised in that described thermoplastic elastomer (TPE) TPE adopts polyvinyl chloride-base TPE.
13. flange steel-plastic multiple tube as claimed in claim 12 regulates short tube, it is characterised in that described polyvinyl chloride-base TPE adopts thermoplastic PVC and TPVC.
14. flange steel-plastic multiple tube as claimed in claim 12 regulates short tube, it is characterised in that described polyvinyl chloride-base TPE adopts thermoplasticity CPE and TCPE.
15. flange steel-plastic multiple tube as claimed in claim 8 regulates short tube, it is characterised in that described thermoplastic elastomer (TPE) TPE adopts polyurethanes TPE and TPU.
16. flange steel-plastic multiple tube as claimed in claim 1 or 2 regulates short tube, it is characterised in that sealing gasket (3) adopts asbestos pad.
17. flange steel-plastic multiple tube as claimed in claim 1 or 2 regulates short tube, it is characterised in that sealing gasket (3) adopts rubber blanket.
18. flange steel-plastic multiple tube as claimed in claim 1 or 2 regulates short tube, it is characterised in that sealing gasket (3) adopts politef cylinder-packing rubber blanket.
19. flange steel-plastic multiple tube as claimed in claim 16 regulates short tube, it is characterised in that described asbestos pad adopts common asbestos-packing gasket.
20. flange steel-plastic multiple tube as claimed in claim 16 regulates short tube, it is characterised in that described asbestos pad adopts oil resisting paronite pad.
21. flange steel-plastic multiple tube as claimed in claim 16 regulates short tube, it is characterised in that described asbestos pad adopts low pressure asbestos rubber sheet gasket.
22. flange steel-plastic multiple tube as claimed in claim 16 regulates short tube, it is characterised in that described asbestos pad presses asbestos-packing gasket in adopting.
23. flange steel-plastic multiple tube as claimed in claim 16 regulates short tube, it is characterised in that described asbestos pad adopts high pressure asbestos rubber sheet gasket.
24. flange steel-plastic multiple tube as claimed in claim 17 regulates short tube, it is characterised in that described rubber blanket adopts natural rubber.
25. flange steel-plastic multiple tube as claimed in claim 17 regulates short tube, it is characterised in that described rubber blanket adopts butadiene-styrene rubber.
26. flange steel-plastic multiple tube as claimed in claim 17 regulates short tube, it is characterised in that described rubber blanket adopts butyl rubber.
27. flange steel-plastic multiple tube as claimed in claim 17 regulates short tube, it is characterised in that described rubber blanket adopts hydrogenated nitrile-butadiene rubber.
28. flange steel-plastic multiple tube as claimed in claim 17 regulates short tube, it is characterised in that described rubber blanket adopts EP rubbers.
29. flange steel-plastic multiple tube as claimed in claim 17 regulates short tube, it is characterised in that described rubber blanket adopts nitrile rubber.
30. the flange steel-plastic multiple tube stated such as claim 17 regulates short tube, it is characterised in that described rubber blanket adopts neoprene.
31. flange steel-plastic multiple tube as claimed in claim 17 regulates short tube, it is characterised in that described rubber blanket adopts isoprene rubber.
32. the flange steel-plastic multiple tube stated such as claim 17 regulates short tube, it is characterised in that described rubber blanket adopts butadiene rubber.
33. flange steel-plastic multiple tube as claimed in claim 17 regulates short tube, it is characterised in that described rubber blanket adopts silicone rubber.
34. flange steel-plastic multiple tube as claimed in claim 17 regulates short tube, it is characterised in that described rubber blanket adopts fluorubber.
35. flange steel-plastic multiple tube as claimed in claim 17 regulates short tube, it is characterised in that described rubber blanket adopts thiorubber..
36. flange steel-plastic multiple tube as claimed in claim 17 regulates short tube, it is characterised in that described rubber blanket adopts chlorohydrin rubber.
37. flange steel-plastic multiple tube as claimed in claim 17 regulates short tube, it is characterised in that described rubber blanket adopts lactoprene.
38. flange steel-plastic multiple tube as claimed in claim 17 regulates short tube, it is characterised in that described rubber blanket adopts polyurethane rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410701648.1A CN104405973B (en) | 2014-11-28 | 2014-11-28 | Flange steel-plastic multiple tube regulates short tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410701648.1A CN104405973B (en) | 2014-11-28 | 2014-11-28 | Flange steel-plastic multiple tube regulates short tube |
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| Publication Number | Publication Date |
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| CN104405973A CN104405973A (en) | 2015-03-11 |
| CN104405973B true CN104405973B (en) | 2016-06-08 |
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| CN201410701648.1A Active CN104405973B (en) | 2014-11-28 | 2014-11-28 | Flange steel-plastic multiple tube regulates short tube |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104832706B (en) * | 2015-05-11 | 2017-04-12 | 杭州介通电缆保护管有限公司 | Ultra-large diameter steel-plastic composite pipe butt-joint method in site construction |
| CN106764223B (en) * | 2017-03-16 | 2020-01-03 | 大连大学 | Mechanical type pipeline vibration isolation sealing device |
| CN107355602A (en) * | 2017-08-09 | 2017-11-17 | 镇江春环密封件集团有限公司 | A kind of steel lining polyfluortetraethylecomposite composite pipe structure |
| CN109058324B (en) * | 2018-09-18 | 2020-05-01 | 广德县辉达电器有限公司 | Thin brake |
| CN110230739A (en) * | 2019-05-24 | 2019-09-13 | 上海建工七建集团有限公司 | Self-locking flanged joint standard component node and its installation method |
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| US6811189B1 (en) * | 2000-10-04 | 2004-11-02 | Grant Prideco, L.P. | Corrosion seal for threaded connections |
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| CN202418942U (en) * | 2011-12-12 | 2012-09-05 | 成都绿迪科技有限公司 | Steel-plastic composite pipe |
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| US3356391A (en) * | 1967-01-10 | 1967-12-05 | Richard L Bailey | Pipe or tube coupling device |
| US5083821A (en) * | 1990-12-05 | 1992-01-28 | Itt Corporation | Extreme temperature thread sealing method and apparatus |
| US6811189B1 (en) * | 2000-10-04 | 2004-11-02 | Grant Prideco, L.P. | Corrosion seal for threaded connections |
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| CN104405973A (en) | 2015-03-11 |
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Effective date of registration: 20151225 Address after: 315000 No. 539, Lane 177-5, Jiangdong South Road, Zhejiang, Ningbo Applicant after: Ningbo Jiangdong Shengfeng Steel-Plastic Tube Factory Address before: 315040, No. 539, Lane 177, Jiangdong South Road, Ningbo, Zhejiang. -5 Applicant before: Zhang Mingwei |
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Address after: 315040, -5, 177 Jiangdong South Road, Zhejiang, Ningbo Applicant after: Ningbo ShengFeng Steel-Plastic Tube Manufactory Address before: 315000 No. 539, Lane 177-5, Jiangdong South Road, Zhejiang, Ningbo Applicant before: Ningbo Jiangdong Shengfeng Steel-Plastic Tube Factory |
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