CN108071876A - Semilune HVAC pipe and its manufacture craft - Google Patents
Semilune HVAC pipe and its manufacture craft Download PDFInfo
- Publication number
- CN108071876A CN108071876A CN201810061997.XA CN201810061997A CN108071876A CN 108071876 A CN108071876 A CN 108071876A CN 201810061997 A CN201810061997 A CN 201810061997A CN 108071876 A CN108071876 A CN 108071876A
- Authority
- CN
- China
- Prior art keywords
- tube body
- semilune
- body lower
- body top
- hvac pipe
- Prior art date
- 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
Links
Classifications
-
- 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
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
- F16L9/147—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups comprising only layers of metal and plastics with or without reinforcement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
-
- 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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
A kind of semilune HVAC pipe is claimed in the present invention; it includes a semilune hollow tube; the semilune hollow tube is divided into tube body top and tube body lower part; the section on the tube body top is circular configuration; the section of tube body lower part is domes, transition connection between the tube body top and tube body lower part；The metal heat transfer item on at least one tube body top being arranged at outside the semilune hollow tube is further included, forms upper heat transfer, lower part heat accumulation, the tube body lower part forms air heat insulation space with ground contact nature.Easy to process, simple in structure, the position, the semilune HVAC pipe that thermal resource makes full use of, thermal conductivity greatly improves and the manufacture craft that specify rounded bottom of the present invention.
Description
Technical field
The invention belongs to tubing technical field, more specifically to a kind of semilune HVAC pipe and its manufacture craft.
Background technology
Ground radiation heating (abbreviation floor heating), hot-water heating mode is using entire ground as radiator, by flooring radiation layer
Heat-resisting pipes make entire ground thermally equivalent, using ground Self-heat-storage function and heat dissipation radiation characteristic, from bottom to top into
Row heat conducts, and finally reaches the purpose of heating, and ground heating was classified as one of key popularized project from 2007 by Minstry of Housing and Urban-Rural Development of People Republic of China (MOHURD),
China's geothermal heating system generally uses supply water temperature to be cycled for 60 DEG C of hot water in pipeline at present, heat distributed by pipeline after again
Hot-fluid home position is returned to, surface temperature radiation is generated in cycles under pressure, reaches indoor geothermal effect.At present,
Floor heating is using straight-through pipe plastic tube, aluminum plastic composite pipe or copper pipe；The price of wherein aluminum plastic composite pipe and copper pipe is high, plastic tube
Price it is low；The thermal conductivity of copper pipe is 383.8, and aluminum plastic composite pipe thermal conductivity is 45, and the thermal conductivity of plastic tube is only 40-45.One
As in the case of, it is in the majority with plastic tube because its is cheap, but plastic tube heat conductivility is bad, causes the waste that thermal resource is certain.
It is that a kind of prefabricated direct-buried heat preservation with metallo-plastic composite construction is compound with the immediate prior art of this patent
Plastic tube, Application No.：201610768056.0 although the patent, using metallo-plastic composite construction, it is mainly
Solve the problems, such as metal erosion and the composite construction not environmentally used, utilize be plastics do not allow perishable characteristic,
It solves the problem of easily to generate rust deposite higher so as to cause content of beary metal；Another to have patent name, one kind has high thermal conductivity
Floor heating pipe, Application No.：201620387939.2 the patent is led to using pipeline internal cavities are divided into first passage and second
Road, first passage lead to hot water, second channel are increased to the way of blowing air thermal insulation layer, because which increasing a cavity, heat
Run out does not reduce thermal conductivity instead.
The content of the invention
Present invention seek to address that above problem of the prior art.Propose it is a kind of it is easy to process, simple in structure, specify circle
The semilune HVAC pipe and manufacture craft that the position of shape bottom, thermal conductivity greatly improve.Technical scheme is as follows：
A kind of semilune HVAC pipe, including a semilune hollow tube, the semilune hollow tube is divided into tube body top
With tube body lower part, the section on the tube body top is circular configuration, and the section of tube body lower part is domes, the tube body top
Transition connects between tube body lower part；Further include the gold on at least one tube body top being arranged at outside the semilune hollow tube
Belong to heat transfer item, form upper heat transfer, the pipe structure of lower part heat accumulation, the tube body lower part is empty with ground self-assembling formation air heat insulation
Between.
Further, connecting portion, tube body top and tube body lower part are additionally provided between the tube body top and tube body lower part
Between connected by connecting portion transition.
Further, the tube body lower part is close to tube body lower position by elastic device and carries out axis in bending
To bending to required shape.
Further, several branch for being used to support the semilune hollow tube are additionally provided with below the tube body lower part
Support structure.
Further, the support construction includes supporting rack, bottom and the supporting surface for being arranged at supporting rack top, described
Supporting rack is arranged on bottom, and the supporting surface is correspondingly arranged to form contact surface with connecting portion.
Further, the bottom is additionally provided with to fix the screw hole of the support construction.
Further, the connecting portion is arranged to smooth U-shaped structure.
Further, the angle of the circular configuration on the tube body top is 270 degree, the angle of the domes of tube body lower part
It spends for 90 degree, the both ends of the circular configuration on tube body top and the angle in the center of circle are 45 degree.
Further, the metal heat transfer item is uniformly inlayed or one-pass molding is arranged in the tube body top.
Further, the metal heat transfer item is selected from one or more of silver, copper, aluminium.
Further, when metal heat transfer strip adoption one-pass molding is arranged in the tube body top, by aluminum nitride powder extrusion molding
On plastic tube body.
Further, when several semilune HVAC pipes are installed, by the way that plastics composition metal fixture block is set to be consolidated
It is fixed.
A kind of technique for making the semilune HVAC pipe, comprises the following steps：
1) extrusion step：Plastic material is extruded into semilune hollow tube, the semilune hollow tube by extruding machine
Body is divided into tube body top and tube body lower part, and the section on the tube body top is circular configuration, and the section of tube body lower part is arch knot
Structure；Metal powder extrusion molding is formed into metal heat transfer item on plastic tube body by using mold；
2) vacuum forming；The tubing of extrusion molding Vacuum shaping in step 1) is vacuumized into shaping by mold；
3) cooling and shaping；In step 2) cooling and shaping will be carried out by vacuumizing the HVAC pipe to be formed；
4) bending installation：Tube body lower position will be close to by elastic device and carry out axial bending into required shape.
It advantages of the present invention and has the beneficial effect that：
HVAC pipe is arranged to semilune structure by novelty of the invention, has been abandoned traditional circular configuration, has been specified circle
The hollow tube of semilune structure is divided into tube body top, tube body lower part and connecting portion, the tube body by the bottom position of shape pipeline
The section on top is circular configuration, and the section of tube body lower part is domes, is passed through between the tube body top and tube body lower part
Connecting portion is connected smoothly；The angle of the circular configuration on the tube body top is 270 degree, the circular configuration and circle on tube body top
The angle of the heart is 90 degree, and the both ends of circular configuration and the angle in the center of circle is set to be 45 degree and be more convenient for producing and improving Pipe installing
Stability, further through set at least one be located at the semilune hollow tube outside tube body top metal heat transfer item, shape
Into upper heat transfer, the pipe structure of lower part heat accumulation, formation heat conduction is poor, according to the law of thermodynamics, thus substantially increases
Heat transfer property；In addition, by the way that the section on tube body top is provided in round structure, the section of tube body lower part is arranged to arch knot
Structure when tube body lower knuckle, is close at the position of tube body lower part by elastic device and carries out axial bending into required shape,
Solve the problems, such as that the difficult bending of pipeline, the bending of traditional pipe need that spring is positioned over pipeline at the scene in installation process
It is interior, then firmly bend to required form, it needs to further take out on spring after completing, for complicated pipe shape, thus not
It is convenient to carry out bending again, and the section that the present invention is exactly based on the tube body lower part of this novelty is domes, it is possible to
Axial bending is carried out into required shape being close to tube body lower position, solves the problems, such as that bent on site is difficult, simply easily
Be achieved that pipe bending；Additionally by stealthy support construction is set, the support construction includes supporting rack, bottom and sets
The supporting surface on supporting rack top is placed in, support frame as described above is arranged on bottom, and the supporting surface is correspondingly arranged to be formed with connecting portion
Contact surface by setting stealthy support construction, more increases the stability of pipeline metope installation, pipeline is avoided to move.When
When metal heat transfer strip adoption one-pass molding is arranged in the tube body top, using aluminum nitride powder extrusion molding on plastic tube body, so
The advantages of processing is quick can be realized to avoid processing again by one-pass molding, when the more aluminum nitride powder extrusion moldings of use are in plastics
When on tube body, it is possible to realize the processing of heat transfer item, further improve the transmission of conduction heat.The process structure of the present invention
Possess creativeness, pass through 1) extrusion step：2) vacuum forming；3) cooling and shaping；4) bending installation：It will be close to by elastic device
Axial bending is carried out into required shape in tube body lower position.The production and installation of the pipeline are realized, simply easily
Realize pipe bending.
Description of the drawings
Fig. 1 is the stereogram that the present invention provides preferred embodiment semilune HVAC pipe；
Fig. 2 is the hollow tube structure chart that the present invention provides preferred embodiment semilune structure；
Fig. 3 is the schematic diagram that the present invention provides preferred embodiment support construction；
Fig. 4 is that the present invention provides preferred embodiment plastics composition metal fixture block schematic diagram；
Fig. 5 is the scheme of installation that the present invention provides several pipelines of preferred embodiment；
Fig. 6 is the partial enlarged view of supporting surface 5 of the present invention and connecting portion 4.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, detailed
Carefully describe.Described embodiment is only the part of the embodiment of the present invention.
The present invention solve above-mentioned technical problem technical solution be：
It is as shown in figs 1 to 6 a kind of semilune HVAC pipe, including a semilune hollow tube 1, semilune hollow tube 1
Interior to lead to hot water or circuit is set to provide heat source, the semilune hollow tube 1 divides for tube body top 8 and tube body lower part 3,
The section on the tube body top 8 is circular configuration, and the section of tube body lower part 3 is domes, under the tube body top 8 and tube body
Transition connects between portion 3；The metal for further including at least one tube body top 8 being arranged at outside the semilune hollow tube 1 passes
Hot item 2, forms upper heat transfer, the pipe structure of lower part heat accumulation, and the tube body lower part 3 is empty with ground self-assembling formation air heat insulation
Between.Heat transfer property is thus substantially increased, the section by the tube body lower part of this novelty is domes, it is possible to
It is close to tube body lower position and carries out axial bending into required shape, is simply easily achieved that pipe bending；Certainly originally
The hollow tube 1 of invention is not also confined to semilune structure uniquely, it is any play upper heat transfer, lower part heat accumulation pipe structure all
It is the design for belonging to the present invention, all belongs to the scope of protection of the present invention；
Preferably, connecting portion 4 is additionally provided between the tube body top 8 and tube body lower part 3, under tube body top 8 and tube body
It is connected between portion 3 by 4 transition of connecting portion.
Preferably, the tube body lower part 3 is close to tube body lower part 3 by elastic device and carries out axial bending in bending
Into required shape.
Preferably, the lower section of the tube body lower part 3 is additionally provided with several branch for being used to support the semilune hollow tube 1
Support structure.
Preferably, when semilune HVAC pipe is installed on wall, then support construction may be employed to fix the first quarter moon
Shape HVAC pipe, the support construction include supporting rack 6, bottom and the supporting surface 5 for being arranged at 6 top of supporting rack, the support
Frame 6 is arranged on bottom, and the supporting surface 5 is correspondingly arranged to form contact surface with connecting portion 4.
Preferably, the bottom is additionally provided with to fix the screw hole 7 of the support construction, and screw hole 7 is fixed on
The fixation of HVAC pipe is carried out inside wall.
Preferably, the connecting portion 4 is arranged to smooth U-shaped structure.
Preferably, the angle of the circular configuration on the tube body top 8 is 270 degree, the angle of the domes of tube body lower part 3
It spends for 90 degree, the both ends of the circular configuration on tube body top 8 and the angle in the center of circle are 45 degree.
Preferably, the metal heat transfer item 2 is uniformly inlayed or one-pass molding is arranged in the tube body top 8.
Preferably, the metal heat transfer item 2 is selected from one or more of silver, copper, aluminium.
Preferably, when metal heat transfer item 2 is arranged in the tube body top 8 using one-pass molding, aluminum nitride powder is passed through
Mold extrusion molding is on plastic tube body.
Preferably, as shown in Figure 4 and Figure 5, when several semilune HVAC pipes are installed, by setting the compound gold of plastics
Belong to fixture block 9 to be fixed.The plastics composition metal fixture block 9 plays the role of heat transfer, and material uses aluminium alternatively, general peace
HVAC pipe is bent to its U-shaped structure during dress, and plastics composition metal fixture block 9 is just arranged between U-shaped structure, plays overlap joint heat transfer
Effect so that heat-transfer effect is more preferable.One plastics composition metal fixture block 9 or two modelings can be set on each U-shaped HVAC pipe
Expect composition metal fixture block 9, the quantity specifically set can be configured according to the demand of heat-conducting effect.
A kind of technique for making the semilune HVAC pipe, comprises the following steps：
1) extrusion step：Plastic material is extruded into semilune hollow tube 1, the semilune hollow tube by extruding machine
Body 1 divides for tube body top 8 and tube body lower part 3, and the section on the tube body top 8 is circular configuration, and the section of tube body lower part 3 is arch
Shape structure；Metal powder extrusion molding is formed into metal heat transfer item 2 on plastic tube body by using mold；
2) vacuum forming；The tubing of extrusion molding Vacuum shaping in step 1) is vacuumized into shaping by mold；
3) cooling and shaping；In step 2) cooling and shaping will be carried out by vacuumizing the HVAC pipe to be formed；
4) bending installation：It will be close at the position of tube body lower part 3 by elastic device and carry out axial bending into required shape
Shape.
The above embodiment is interpreted as being merely to illustrate the present invention rather than limit the scope of the invention.
After the content for having read the record of the present invention, technical staff can make various changes or modifications the present invention, these equivalent changes
Change and modification equally falls into the scope of the claims in the present invention.
Claims (13)
1. a kind of semilune HVAC pipe, which is characterized in that including a semilune hollow tube (1), the semilune hollow tube
(1) it is divided into tube body top (8) and tube body lower part (3), the section of the tube body top (8) is circular configuration, tube body lower part (3
Section is domes, transition connection between the tube body top (8) and tube body lower part (3)；At least one is further included to be arranged at
The metal heat transfer item (2) on the tube body top (8) of the semilune hollow tube (1) outside forms upper heat transfer, the pipe of lower part heat accumulation
Body structure, the tube body lower part (3) and ground self-assembling formation air heat insulation space.
2. semilune HVAC pipe according to claim 1, which is characterized in that the tube body top (8) and tube body lower part (3)
Between be additionally provided with connecting portion (4), between tube body top (8) and tube body lower part (3) pass through connecting portion (4) transition connect.
3. semilune HVAC pipe according to claim 1, which is characterized in that the tube body lower part (3) passes through in bending
Elastic device is close to tube body lower part (3) and carries out axial bending into required shape.
4. semilune HVAC pipe according to claim 3, which is characterized in that also set up below the tube body lower part (3)
There are several support constructions for being used to support the semilune hollow tube (1).
5. semilune HVAC pipe according to claim 4, which is characterized in that the support construction includes supporting rack (6), bottom
Portion and the supporting surface (5) for being arranged at supporting rack (6) top, support frame as described above (6) are arranged on bottom, the supporting surface (5)
It is correspondingly arranged to form contact surface with connecting portion (4).
6. semilune HVAC pipe according to claim 5, which is characterized in that the bottom is additionally provided with for described in fixation
The screw hole (7) of support construction.
7. semilune HVAC pipe according to claim 2, which is characterized in that the connecting portion (4) is arranged to smooth U-shaped
Structure.
8. semilune HVAC pipe according to claim 1, which is characterized in that the circular configuration of the tube body top (8)
Angle is 270 degree, and the angles of the domes of tube body lower part (3) is 90 degree, the both ends of the circular configuration of tube body top (8) and
The angle in the center of circle is 45 degree.
9. the semilune HVAC pipe according to one of claim 1-8, which is characterized in that the metal heat transfer item (2) is uniform
It inlays or one-pass molding is arranged in the tube body top (8).
10. semilune HVAC pipe according to claim 9, which is characterized in that the metal heat transfer item (2) be selected from silver, copper,
One or more of aluminium.
11. semilune HVAC pipe according to claim 9, which is characterized in that when metal heat transfer item (2) uses one-pass molding
When being arranged in tube body top (8), by aluminum nitride powder by mold extrusion molding on plastic tube body.
12. semilune HVAC pipe according to claim 9, which is characterized in that when several semilune HVAC pipes are installed
When, by the way that plastics composition metal fixture block (9) is set to be fixed.
13. a kind of technique for making one of the claim 1-8 semilune HVAC pipes, which is characterized in that comprise the following steps：
1) extrusion step：Plastic material is extruded into semilune hollow tube (1), the semilune hollow tube by extruding machine
(1) it is divided into tube body top (8) and tube body lower part (3), the section of the tube body top (8) is circular configuration, tube body lower part (3)
Section is domes；Metal powder extrusion molding is formed to metal heat transfer item (2) on plastic tube body by using mold；
2) vacuum forming；The tubing of extrusion molding Vacuum shaping in step 1) is vacuumized into shaping by mold；
3) cooling and shaping；In step 2) cooling and shaping will be carried out by vacuumizing the HVAC pipe to be formed；
4) bending installation：It will be close at the position of tube body lower part (3) by elastic device and carry out axial bending into required shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810061997.XA CN108071876A (en) | 2018-01-23 | 2018-01-23 | Semilune HVAC pipe and its manufacture craft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810061997.XA CN108071876A (en) | 2018-01-23 | 2018-01-23 | Semilune HVAC pipe and its manufacture craft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108071876A true CN108071876A (en) | 2018-05-25 |
Family
ID=62156713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810061997.XA Pending CN108071876A (en) | 2018-01-23 | 2018-01-23 | Semilune HVAC pipe and its manufacture craft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108071876A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH606936A5 (en) * | 1976-04-23 | 1978-11-30 | Felix Duerst | Underfloor hot water heating |
| EP0010835A1 (en) * | 1978-07-25 | 1980-05-14 | Wirsbo Pex G.m.b.H. | Plastics tube or hose with magnetic or electrically conductive strip |
| EP0244890A2 (en) * | 1981-11-17 | 1987-11-11 | Marcel Matière | Process for producing hollow structures such as ducts, silos, or shelters, and structures obtained by this process |
| US20020007861A1 (en) * | 2000-02-07 | 2002-01-24 | Jorg Hansen | Metal-plastic multilayer pipe having form stability for plumbing and hydronic heating |
| CN1562617A (en) * | 2004-03-16 | 2005-01-12 | 哈尔滨工业大学星河实业有限公司 | Pipeline containing compound pipe of steel skeleton-plastic, and manufacture of compound pipe |
| CN2713344Y (en) * | 2004-07-09 | 2005-07-27 | 顾世安 | Low-temperature floor-radiating heating arrangement |
| US20110232795A1 (en) * | 2010-03-25 | 2011-09-29 | James Hardin | Geothermal pipe system |
| CN207906628U (en) * | 2018-01-23 | 2018-09-25 | 重庆中贝毅科科技有限公司 | Semilune HVAC pipe |
-
2018
- 2018-01-23 CN CN201810061997.XA patent/CN108071876A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH606936A5 (en) * | 1976-04-23 | 1978-11-30 | Felix Duerst | Underfloor hot water heating |
| EP0010835A1 (en) * | 1978-07-25 | 1980-05-14 | Wirsbo Pex G.m.b.H. | Plastics tube or hose with magnetic or electrically conductive strip |
| EP0244890A2 (en) * | 1981-11-17 | 1987-11-11 | Marcel Matière | Process for producing hollow structures such as ducts, silos, or shelters, and structures obtained by this process |
| US20020007861A1 (en) * | 2000-02-07 | 2002-01-24 | Jorg Hansen | Metal-plastic multilayer pipe having form stability for plumbing and hydronic heating |
| CN1562617A (en) * | 2004-03-16 | 2005-01-12 | 哈尔滨工业大学星河实业有限公司 | Pipeline containing compound pipe of steel skeleton-plastic, and manufacture of compound pipe |
| CN2713344Y (en) * | 2004-07-09 | 2005-07-27 | 顾世安 | Low-temperature floor-radiating heating arrangement |
| US20110232795A1 (en) * | 2010-03-25 | 2011-09-29 | James Hardin | Geothermal pipe system |
| CN207906628U (en) * | 2018-01-23 | 2018-09-25 | 重庆中贝毅科科技有限公司 | Semilune HVAC pipe |
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