CN101403455B - Pressure-test fast leak-stopping method for heating system - Google Patents
Pressure-test fast leak-stopping method for heating system Download PDFInfo
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- CN101403455B CN101403455B CN2008101731795A CN200810173179A CN101403455B CN 101403455 B CN101403455 B CN 101403455B CN 2008101731795 A CN2008101731795 A CN 2008101731795A CN 200810173179 A CN200810173179 A CN 200810173179A CN 101403455 B CN101403455 B CN 101403455B
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Abstract
The invention discloses a pressure test rapid leakage stopping method of a heating system and a universal connection union; the union comprises a movable joint, a loose joint nut, a sealing washer and a thread connecting joint; the loose joint nut is connected with the thread connecting joint by a screw; the sealing washer is arranged between the movable joint and the opposite end surface of the thread connecting joint; and the pressing surface between the movable joint and the loose joint nut is a spherical surface or a smooth surface approximate to the spherical surface. The leakage stopping method can avoid the thread connecting part of butt joint water pipes from generating drop leakage after the butt joint, shortens the pressure test time, and improves the installation efficiency.
Description
Technical field
The invention belongs to construction industry hot-water heating installing engineering field, relate in particular to a kind of pressure-test fast leak-stopping method for heating system.
Background technique
The work in copper joint and the steel union that are used to connect radiator and pipeline of selling on the market all is made up of movable joint, loose joint nut, seal washer and thread connecting joint now, and the seal face of movable joint and loose joint nut is the ring plane.
In the installing engineering of building construction heating installation, usually all use work in copper joint or steel union that radiator is connected with the confession return pipe, from geometric point of view, the return pipe that supplies of radiator can be regarded straight line as, water pipe before the butt joint can be regarded the straight line around immovable point rotation as, according to geometrical principle, 2 decision straight lines, the any straight line in space can not just in time pass through any immovable point in space, butt joint back said fixing point can not just in time be positioned at radiator on the axis of return pipe, promptly butt joint back radiator has the angle of cut for the axis of return pipe and the shaft axis of external water pipe, owing to existing be used to connect the work in copper joint of radiator and pipeline and the movable joint of steel union and the seal face of loose joint nut and be the ring plane, the shaft axis of butt joint back two water pipes can not be regulated the angle of cut automatically, can only occur bending and deformation, when the angle of cut is big, the inipple place of docking two pipes is also big because of the distortion that bending produces, the gap of former threaded connection place with raw meal belt or lead oil flax silk good seal can become big, when pressure testing, the threaded connection place after the gap changes can produce water clock.
In the construction and installation building site; because each work post cross-operation; mounted radiator and heating pipeline regular meeting are collided or trample by other work post workman; the angle of cut of butt joint two water pipes can become big like this; the inipple place of docking two Guan Yuanyong raw meal belts or lead oil flax silk good seal also becomes big because of the gap that bending produces; because the shaft axis of butt joint back two water pipes can not be regulated the angle of cut automatically; the heating system that pressure testing is good can produce water clock in minority union place; tighten the loose joint nut; can't resolve this water clock; must take union apart, again with the gap of raw meal belt or lead oil flax silk sealing thread joint.Therefore at the existing building mounting site, not only the time of the pressure test leak-detecting of heating system long, before handing in the house, guarantee not water clock of heating system, also to increase the pressure testing number of times.
In addition, after the commercial house is handed over key, the owner is when finishing, the finishing of generally radiator will being dismantled, and then install and pressure testing, during the quality after the commercial house is handed over key is complained, the drip complaint of the situation of leaking of heating system joint is a lot, the builder is also many for the maintenance man-hours that leak-stopping drops into, and not only installation quality is not good for the existing heating system of this explanation, and installation efficiency is also low.
Summary of the invention
The present invention provides a kind of pressure-test fast leak-stopping method for heating system that guarantees the installation efficiency of the installation quality of heating system, the pressure testing time that shortens heating system, the installing engineering of raising heating installation in order to solve deficiency of the prior art.
For solving the problems of the technologies described above, the technical solution used in the present invention is: pressure-test fast leak-stopping method for heating system is characterized in that: may further comprise the steps:
1., when radiator is installed, all use universal connection movable connector by the interconnected union of water pipe between the radiator, described universal connection movable connector comprises movable joint, loose joint nut, seal washer and thread connecting joint, loose joint nut and thread connecting joint are spirally connected, seal washer is arranged between movable joint and the thread connecting joint opposing end surface, and the seal face between movable joint and the loose joint nut is sphere or the smooth surface that is similar to sphere.
2., when pressure testing, when there was water clock at the universal connection movable connector place, the loose joint nut of outwarding winding gently was because to existing stress between the water receiving pipe, movable joint can be adjusted automatically to the angle of cut between the water receiving pipe, and the water pipe being spirally connected with movable joint and the shaft axis of movable joint are consistent.
3., tighten the loose joint nut, carry out pressure testing again.
Adopt technique scheme, the seal face that the present invention will have the ring of the movable joint of the work in copper joint that is used to connect radiator and pipeline or steel union and loose joint nut now changes sphere into or is similar to the smooth surface of sphere, this universal connection movable connector can be regulated two angles of cut to water receiving pipe automatically, the gap of avoiding docking the water pipe thread attachment portion changes when butt joint and after the butt joint, eliminate two stress that exist when water receiving pipe installed, guarantee not water clock of screw connection point.Pressure-test fast leak-stopping method for heating system of the present invention can be avoided docking the water pipe thread attachment portion and produce water clock after butt joint, shortens the pressure testing time, improves installation efficiency.
Description of drawings
Fig. 1 is the structural representation of universal connection movable connector among the present invention;
Fig. 2 is the plan view of Fig. 1.
Embodiment
As depicted in figs. 1 and 2, employed universal connection movable connector in the middle of the present invention, comprise movable joint 1, loose joint nut 2, seal washer 3 and thread connecting joint 4, loose joint nut 2 inner rings and thread connecting joint 4 outer rings are spirally connected, be provided with seal washer 3 between movable joint 1 and thread connecting joint 4 end faces, the seal face 5 between movable joint 1 and the loose joint nut 2 is sphere or the smooth surface that is similar to sphere.
When radiator is installed, the inner ring of movable joint 1 and thread connecting joint 4 is spirally connected to the water receiving pipe outer ring with two respectively.Mounted radiator and heating pipeline are because of being collided or trample by other work post workman, dock two Guan Yuanyong raw meal belts or lead oil flax silk good seal the gap at inipple place can become big, at this moment as long as unclamp loose joint nut 2 gently, movable joint 1 is released, movable joint 1 just can be regulated the angle of cut of butt joint two pipes automatically, and then tighten loose joint nut 2, and so just can eliminate the gap after above-mentioned threaded connection place becomes greatly, avoid threaded for union place to produce water clock.
When pressure testing, when there was water clock at the universal connection movable connector place, the loose joint nut 2 of outwarding winding gently was because to existing stress between the water receiving pipe, movable joint 1 can be adjusted automatically to the angle of cut between the water receiving pipe, and the water pipe being spirally connected with movable joint 1 and the shaft axis of movable joint 1 are consistent.Tighten loose joint nut 2 at last, guarantee that the seal face 5 of movable joint 1 and loose joint nut 2 contacts well, carry out pressure testing again, can guarantee to dock not water clock of water pipe thread connection part.
Claims (1)
1. pressure-test fast leak-stopping method for heating system is characterized in that: may further comprise the steps:
1., when radiator is installed, all use universal connection movable connector by the interconnected union of water pipe between the radiator, described universal connection movable connector comprises movable joint, loose joint nut, seal washer and thread connecting joint, loose joint nut and thread connecting joint are spirally connected, seal washer is arranged between movable joint and the thread connecting joint opposing end surface, and the seal face between movable joint and the loose joint nut is sphere or the smooth surface that is similar to sphere.
2., when pressure testing, when there was water clock at the universal connection movable connector place, the loose joint nut of outwarding winding gently was because to existing stress between the water receiving pipe, movable joint can be adjusted automatically to the angle of cut between the water receiving pipe, and the water pipe being spirally connected with movable joint and the shaft axis of movable joint are consistent.
3., tighten the loose joint nut, carry out pressure testing again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101731795A CN101403455B (en) | 2008-05-12 | 2008-10-31 | Pressure-test fast leak-stopping method for heating system |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810049721.6 | 2008-05-12 | ||
| CN200810049721 | 2008-05-12 | ||
| CN2008101731795A CN101403455B (en) | 2008-05-12 | 2008-10-31 | Pressure-test fast leak-stopping method for heating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101403455A CN101403455A (en) | 2009-04-08 |
| CN101403455B true CN101403455B (en) | 2010-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101731795A Active CN101403455B (en) | 2008-05-12 | 2008-10-31 | Pressure-test fast leak-stopping method for heating system |
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| CN (1) | CN101403455B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010054978B4 (en) * | 2010-12-17 | 2016-03-10 | Danfoss A/S | Fastening arrangement for attaching a control attachment to a housing of a heat exchanger valve |
| CN102518887B (en) * | 2011-12-20 | 2014-05-28 | 西安天厚滤清技术有限责任公司 | Sealing part of connecting pipe |
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2008
- 2008-10-31 CN CN2008101731795A patent/CN101403455B/en active Active
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| CN101403455A (en) | 2009-04-08 |
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