CN104455941B - A kind of pipe joint of insulation - Google Patents
A kind of pipe joint of insulation Download PDFInfo
- Publication number
- CN104455941B CN104455941B CN201410631769.3A CN201410631769A CN104455941B CN 104455941 B CN104455941 B CN 104455941B CN 201410631769 A CN201410631769 A CN 201410631769A CN 104455941 B CN104455941 B CN 104455941B
- Authority
- CN
- China
- Prior art keywords
- tube body
- sealing ring
- interior tube
- heat
- insulation
- 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.)
- Expired - Fee Related
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
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
- F16L59/16—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like
- F16L59/18—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like adapted for joints
- F16L59/182—Joints with sleeve or socket
-
- 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
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
- F16L37/088—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of a split elastic ring
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
Abstract
The invention discloses the pipe joint of a kind of insulation, belong to plumbing pipe interconnection technique field, including spring washer, end cap, pipe box, sealing ring A, sealing ring B and interior tube body, described end cap is flexibly connected with interior tube body, sealing ring A, pipe box and spring washer are installed between interior tube body and end cap successively, described sealing ring B is positioned on the step end face within interior tube body, said inner tube is external is provided with heat-insulation layer, the material of heat-insulation layer is polyurethane foam plastics, surround cavity between described heat-insulation layer and interior tube body, outside interior tube body, be additionally provided with outer tube body.The technical program is by setting heat-insulation layer between interior tube body and outer tube body, designed by the structure of interior tube body simultaneously, reserved cavity between interior tube body and heat-insulation layer, with the insulation of material isolation type and the heat preservation principle that prevents air convection, reach the effect of Double insulating, reduce heat transfer to greatest extent, reduce the thermal loss at pipe joint.
Description
Technical field
The invention belongs to plumbing pipe interconnection technique field, relate to a kind of pipe for heating installation conveying
Joint, especially relates to the pipe joint of a kind of insulation.
Background technology
Along with urban infrastructure is the most perfect, the heating system such as heating installation, floor heating enters thousand therewith
Family ten thousand families, the operation principle of heating installation is the hot water burnt by boiler or steam is entered by pipeline
Radiator in building, heat is scattered in room air by radiator, makes indoor temperature liter
Height, reaches the effect of heating, belongs to a kind of form of thermal-radiation heating.Hot water in pipeline or
After the local heating such as steam is generally known as heating installation, the boiler room that heating installation heats in concentration,
Need in the man of resident family being pipelined to need heating, must be through tens of the most up to a hundred
The pipeline of rice is transported to destination.Heating installation is in pipe conveying procedure, and thermal loss is the biggest,
Particularly when heating for the first time, the heat lost in the duct is even close to the one of initial heat
Half.In recent years, in order to reduce the thermal loss in heating conveying tube road, often through thermal insulating material
Material wraps up conveyance conduit surface, whole insulation material claddings such as including pipe joint, switch,
Lost to reduce heat to greatest extent, but this mode quantities is relatively big, and affect outside pipeline
Table is attractive in appearance, maintenance inconvenience, has tended to superseded, has then occurred in that diversified possess insulation merit
The conveyance conduit of energy, as the patent of invention of Application No. 200910093535.7 discloses a kind of three
Poly-composite thermal-insulating pipe, is combined with conveyance conduit layer by layer by novel insulation material, has reached to protect
Temperature also reduces the effect of product cost.Along with new technique not very updates, the product of insulation pipe is
Through comparative maturity, but the pipe joint of an indispensable part in connecting as pipeline, equally
The problem that there is heat transfer rapid heat dissipation, people have ignored its because it only uses at pipe joint
Heat dissipation capacity, but in a pipeline all of pipe joint add up it finds that, at pipe joint
Thermal loss is also an ingredient can not ignore of thermal loss in thermo-insulating pipe line.
Summary of the invention
In order to solve the problems referred to above, the invention provides the pipe joint of a kind of insulation, to reach relatively
Good heat insulation effect.
The present invention is achieved by following technical solution.
The pipe joint of a kind of insulation, including spring washer, end cap, pipe box, sealing ring A, sealing ring
B and interior tube body, described end cap is flexibly connected with interior tube body, between interior tube body and end cap successively
Installing sealing ring A, pipe box and spring washer, described sealing ring B is positioned at the step end within interior tube body
On face, the external heat-insulation layer that is provided with of said inner tube, the material of heat-insulation layer is polyurethane foam plastics,
Surround cavity between described heat-insulation layer and interior tube body, outside interior tube body, be additionally provided with outer tube body.
Being provided with sealing ring C, described sealing ring C between described outer tube body and end cap is RUBBER O type
Circle；Described sealing ring A is bowl-type rubber seal；Described outer tube body inwall is provided with bar radially
Shape bulge-structure, it is corresponding with outer tube body bulge-structure recessed that said inner tube body two holds greatly outer wall to be provided with
Groove structure；Described end cap is threaded connection with interior tube body.
The invention has the beneficial effects as follows:
The pipe joint of a kind of insulation of the present invention, by setting between interior tube body and outer tube body
Heat-insulation layer, is designed by the structure of interior tube body simultaneously, leaves a blank in advance between interior tube body and heat-insulation layer
Chamber, with the insulation of material isolation type and the heat preservation principle that prevents air convection, has reached dual
The effect of insulation, reduces heat transfer to greatest extent, reduces the thermal loss at pipe joint；Outer tube
By directly socket between body and interior tube body, two ends are locked by end cap, end cap and outer tube body it
Between sealed by O, it is to avoid the impurity such as outside liquid penetrates into heat-insulation layer, it is polluted,
Corrosion, affects heat insulation effect；By the groove structure on interior tube body and the protruding knot in outer tube body
Structure matches, and prevents from relatively rotating between interior tube body and outer tube body, thus when preventing from dismounting end cap
There is situation about cannot dismantle of skidding.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the cross section structure schematic diagram of A-A in Fig. 1；
Fig. 3 is the structural representation of interior tube body in the present invention；
Fig. 4 is the side view of interior tube body in the present invention；
Fig. 5 is present invention structural representation when being connected with pipe.
In figure: 1-spring washer, 2-end cap, 3-pipe box, 4-sealing ring A, 5-sealing ring B, 6-
Cavity, 7-heat-insulation layer, 8-interior tube body, 801-groove structure, 9-outer tube body, 901-bulge-structure,
10-sealing ring C, 11-pipe.
Detailed description of the invention
Further describe technical scheme below in conjunction with the accompanying drawings, but claimed scope
It is not limited to described.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the pipe of a kind of insulation of the present invention connects
Head, including spring washer 1, end cap 2, pipe box 3, sealing ring A4, sealing ring B5 and interior tube body 8,
Described end cap 2 is flexibly connected with interior tube body 8, installs successively between interior tube body 8 and end cap 2
Sealing ring A4, pipe box 3 and spring washer 1, described sealing ring B5 is positioned at the platform within interior tube body 8
On the end face of rank, being fixed by end cap 2, described sealing ring A4 is bowl-type rubber seal,
Described spring washer 1 is stainless steel；Said inner tube body 8 is externally provided with heat-insulation layer 7, heat-insulation layer 7
Material be polyurethane foam plastics, surround cavity 6 between described heat-insulation layer 7 and interior tube body 8,
Outer tube body 9 it is additionally provided with outside interior tube body 8；Described end cap 2 is threaded connection with interior tube body 8,
Outer tube body is just fixed by the end cap 2 at two ends, limits moving axially of outer tube body.
It is provided with sealing ring C10, in order to outer tube body 9 and end between described outer tube body 9 and end cap 2
Connecting sewing between lid 2 seals, it is to avoid outside liquid and impurity enter in outer tube body 9, shadow
Speaking pipe part heat insulation effect, described sealing ring C10 is rubber o-ring, in sealing ring C10 installation place,
Arc mounting groove all it is machined with, for fixed seal ring on outer tube body 9 end face and end cap 2 end face
The position of C10.
Described outer tube body 9 inwall is provided with strip bulge structure 901 radially, said inner tube body 8 liang
Big end outer wall is provided with the groove structure 801 corresponding with outer tube body 9 bulge-structure 901, outer tube body 9
Bulge-structure 901 on inwall combines with the groove structure 801 on interior tube body 8, prevents outer tube
Body 9 relatively rotates with interior tube body 8 and skids, and causes and cannot dismount end cap 2；Meanwhile,
The bulge-structure 901 in stage casing is then placed exactly in heat-insulation layer 7 and adds at the structural joint stayed man-hour, fills
The space that heat-insulation layer 7 structural joint is recessed.
During Product Assembly, first heat-insulation layer 7 is wrapped up on the concave surface in interior tube body 8 stage casing, heat-insulation layer
7 two ends tensions are bonding, and the groove structure 801 of cemented side seam and 8 liang of big ends of interior tube body is just to forming one
Bar straight line, rectifies the groove structure of internal body one end by the bulge-structure 901 1 of outer tube body 9
801 are set on interior tube body 8, and the bulge-structure 901 in outer tube body 9 is simultaneously by the company of heat-insulation layer 7
Seam crossing, fills up sinking at connecting sewing, and is fixed by heat-insulation layer 7；Then will seal
On two ends, the stage casing step end face that circle B5 is installed in interior tube body 8, then by uncovered for sealing ring A4
Being arranged on outwardly on port first order step, then install pipe box 3, sealing ring A4 is pressed by pipe box 3
Living, prevent it from moving axially, install spring washer 1 in pipe box 3 outer end, the shell fragment of spring washer 1 inner ring is equal
Tilt to interior tube body 8 internal direction, finally end cap 2 is connected fastening with interior tube body 8 port, real
Existing spring washer 1 axially positions, and the axial restraint and outer tube body 9 two ends that realize outer tube body 9 connect simultaneously
Sealing at seam, completes pipe fitting and assembles.
When pipe 11 is installed, as it is shown in figure 5, directly pipe 11 one end is inserted from end cap 2 centre bore
Enter in pipe fitting, until pipe 7 end face is close to sealing ring B5 end face, now, pipe 11 end face with
In interior tube body 8, the sealing ring B5 between step end face forms first sealing；Meanwhile, pipe 11 will
Sealing ring A4 struts, and pipe 11 outer wall is fitted with sealing ring A4, forms second and seals；And
The shell fragment of spring washer 1 inner ring is also pushed open by pipe 11, and shell fragment, by unidirectional for pipe 11 clamping, reaches
The effect of retaining, makes pipe 11 be difficult to get loose；During dismounting pipe 11, only end cap 2 need to be backed out,
Being taken out from interior tube body 8 by pipe 11, now spring washer 1, pipe box 3 and sealing ring A4 can be enclosed within
Together taken out on pipe 11 outer wall, sealing ring A4, pipe box 3 and spring washer 1 are the most carefully taken
Lower.
Claims (5)
1. insulation a pipe joint, including spring washer (1), end cap (2), pipe box (3),
Sealing ring A (4), sealing ring B (5) and interior tube body (8), described end cap (2) is with interior
Body (8) is threaded connection, and installs successively between interior tube body (8) and end cap (2)
Sealing ring A (4), pipe box (3) and spring washer (1), described sealing ring B (5) is positioned at
On the step end face that body (8) is internal, it is characterised in that: said inner tube body (8) is externally provided with
Heat-insulation layer (7), surrounds cavity (6) between described heat-insulation layer (7) and interior tube body (8),
Outer tube body (9) it is additionally provided with outside interior tube body (8)；Described sealing ring A (4) is bowl-type rubber
Sealing ring；Sealing ring C (10) it is provided with between described outer tube body (9) and end cap (2).
The pipe joint of a kind of insulation the most according to claim 1, it is characterised in that: described
Outer tube body (9) inwall is provided with strip bulge structure (901) radially.
The pipe joint of a kind of insulation the most according to claim 1, it is characterised in that: described
Interior tube body (8) two end outer wall greatly is provided with corresponding with outer tube body (9) bulge-structure (901)
Groove structure (801).
The pipe joint of a kind of insulation the most according to claim 1, it is characterised in that: described
The material of heat-insulation layer (7) is polyurethane foam plastics.
The pipe joint of a kind of insulation the most according to claim 1, it is characterised in that: described
Sealing ring C (10) is rubber o-ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410631769.3A CN104455941B (en) | 2014-11-11 | 2014-11-11 | A kind of pipe joint of insulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410631769.3A CN104455941B (en) | 2014-11-11 | 2014-11-11 | A kind of pipe joint of insulation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104455941A CN104455941A (en) | 2015-03-25 |
| CN104455941B true CN104455941B (en) | 2016-09-14 |
Family
ID=52902450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410631769.3A Expired - Fee Related CN104455941B (en) | 2014-11-11 | 2014-11-11 | A kind of pipe joint of insulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104455941B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895248B (en) * | 2018-05-24 | 2019-12-13 | 林丽钗 | Multilayer heat insulation pipe and device for processing multilayer heat insulation pipe |
| CN109058654A (en) * | 2018-08-13 | 2018-12-21 | 苏州名门世家建筑装饰设计工程有限公司 | A kind of fixed interface protection layer with leak-proof of hydropower installation interface |
| DE102019121432A1 (en) * | 2019-08-08 | 2021-02-11 | Norma Germany Gmbh | Clamp arrangement with a heat protection device |
| CN114046453A (en) * | 2021-10-18 | 2022-02-15 | 杭州国泰环保科技股份有限公司 | Pipeline lubricating device for sewage suction pump truck |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2070176A (en) * | 1980-02-22 | 1981-09-03 | B & C Water Fittings Ltd | Pipe coupling |
| JPH032797Y2 (en) * | 1985-03-29 | 1991-01-24 | ||
| CN103453267A (en) * | 2012-06-01 | 2013-12-18 | 洪泽东俊机械有限公司 | High-pressure movable elbow for annular pipeline |
| CN203442370U (en) * | 2013-07-17 | 2014-02-19 | 四川省机械研究设计院 | Connecting device of vacuum insulating pipeline |
| CN203880290U (en) * | 2014-06-11 | 2014-10-15 | 乔耀兵 | Small-caliber quick pipeline connecting connector |
| CN204328353U (en) * | 2014-11-11 | 2015-05-13 | 贵州黔南科技塑业有限公司 | A kind of heat insulation pipe joint structure |
-
2014
- 2014-11-11 CN CN201410631769.3A patent/CN104455941B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104455941A (en) | 2015-03-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104455941B (en) | A kind of pipe joint of insulation | |
| CN104948872B (en) | A kind of heat-insulating pipeline expansion joint with elastic sealing structure | |
| CN205479793U (en) | Raceway prevents frostbite | |
| CN204328353U (en) | A kind of heat insulation pipe joint structure | |
| CN101265715B (en) | Water collecting and diversifying device | |
| CN104896248A (en) | Bellow expansion joint with warning device | |
| CN101418995B (en) | Condenser hot well liner for water heater | |
| CN204512729U (en) | A kind of vacuum heat insulating low-temperature pipe road flanged connecting structure | |
| CN205048036U (en) | Extension pipe joint | |
| CN204062261U (en) | A kind of vacuum heat-insulating pipe assembly | |
| CN203797679U (en) | Telescopic smoke emission pipe | |
| CN110107756A (en) | Connector and pipe connecting structure | |
| CN204785262U (en) | Resistant high expansion joint that corrodes | |
| CN104406182B (en) | Thermal insulating layer heating and pressurizing corrosion-resistant chimney | |
| CN208170790U (en) | A kind of attachment device of air conditioner refrigeration pipe | |
| CN209145545U (en) | A kind of underground heat wellhead assembly | |
| CN204254643U (en) | Thermal insulation layer heating, pressurising Anti-corrosive chimney | |
| CN203671145U (en) | Right-angle elbow pipe internal fixing joint structure | |
| CN201723860U (en) | Double-layer spiral heat-insulating air pipe device | |
| CN104132204A (en) | Vacuum insulation pipe | |
| CN208831974U (en) | A kind of boiler tubing insulation construction | |
| CN206809601U (en) | A kind of new indoor fire hydrant | |
| CN103883830B (en) | Along grey standpipe corrugated expansion joint | |
| CN210004029U (en) | Outer pipe connecting structure of prefabricated heat preservation pipes | |
| CN205078977U (en) | Heating power pipeline compensator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160914 Termination date: 20171111 |