CN105423044B - Drinking-water seal of tube expansion joint and the flexible water drinking tube of sealing - Google Patents
Drinking-water seal of tube expansion joint and the flexible water drinking tube of sealing Download PDFInfo
- Publication number
- CN105423044B CN105423044B CN201511023181.0A CN201511023181A CN105423044B CN 105423044 B CN105423044 B CN 105423044B CN 201511023181 A CN201511023181 A CN 201511023181A CN 105423044 B CN105423044 B CN 105423044B
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- CN
- China
- Prior art keywords
- adapter sleeve
- sealing
- end cap
- water
- drinking
- 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.)
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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
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
- F16L47/18—Adjustable joints; Joints allowing movement
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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
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/006—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses for hoses of plastics other than artificial rubber
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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
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
- F16L47/02—Welded joints; Adhesive joints
Abstract
The present invention gives one kind drinking-water seal of tube expansion joint, adapter sleeve is sleeved on the outside of two water drinking tubes, there is tubular seals portion after adapter sleeve, V-shaped seal ring is arranged in the sealing of adapter sleeve, on front side of V-shaped seal ring opening alignment adapter sleeve, the insertion section of end cap is stretched into the sealing of adapter sleeve and is resisted against on sealing ring, and the stop part of end cap is resisted against on adapter sleeve rear end face.It is bonded all the time with by sealing surface according to the lip of temperature change V-shaped seal ring, ensures the sealing between adapter sleeve and corresponding water drinking tube.Present invention also offers one kind to seal flexible water drinking tube, there is adapter sleeve after body, there is sealing after adapter sleeve, V-shaped seal ring is arranged in the sealing of adapter sleeve, on front side of V-shaped seal ring opening alignment adapter sleeve, the insertion section of end cap is stretched into the sealing of adapter sleeve and is resisted against on sealing ring, and the stop part of end cap is resisted against on adapter sleeve rear end face.This sealing, which is stretched when water drinking tube uses, does not have to two-way assembling water drinking tube, time saving and energy saving.
Description
Technical field
The present invention relates to one kind drinking-water pipe joint, more particularly to a kind of extension type drinking-water pipe joint.
The invention further relates to one kind to seal flexible water drinking tube.
Background technology
At present, a kind of water drinking tube of the PVC material of large-scale cultivation factory uses supply birds drinking-water, the pipe mostly for 3 meters/
Root, a waterline overall length before and after pouity dwelling place need 40 identical water drinking tubes to pass through several altogether mostly at 120 meters or so
Mode is spliced to complete the insertion of whole system.So as to ensure that one end is supplied water, there is water to flow through in the range of whole length, ensure
The amount of drinking water of birds.
Domestic and international drinking-water system is how to prevent more than 100 meters of long PVC material in the presence of a more insoluble problem
Water pipe after splicing, cause that to cause after water pipe rising-heat contracting-cold waterline to rise curved or at expansion joint by variation of ambient temperature
The problem of disconnection.
It is to prevent the method that waterline expands with heat and contract with cold from having at present both at home and abroad：1st, it is nontoxic that oiliness is smeared at expansion joint sealing ring
Lubricant, there is individual expansion joint more than 30 in whole piece drinking-water system length, an expansion joint, Mei Geshen are connected every about root pipe
Contain sealing ring inside reducer coupling head, water drinking tube by playing sealing function with the extruding after insertion expansion joint with sealing ring,
Water drinking tube is capable of expansion and contraction inside sealing ring to reduce friction by lubricant, and lubrication is not had after lubricant volatilizees for a long time
Effect after, whole piece drinking-water system will when temperature reduces all amounts of contraction all focus on one more easily slide
Expansion joint at, so may result in water drinking tube and come off here, cause leak.
Every water drinking tube match somebody with somebody an expansion joint per several water drinking tubes, plastic material fixing card only serve a water drinking tube and
Steel pipe coordinates the effect involved together, there is friction between water drinking tube, when this frictional force is less than at water drinking tube and sealing ring
When frictional force, that is, at expansion joint lubricant volatilization totally when, so when environment temperature reduces, water drinking tube
Shrink, now water drinking tube, which shrinks, just will not select to shrink at expansion joint, and is selected at fixing card and slides, when whole piece is drunk
When lubricant at water system sealing ring is mostly volatilized totally, the stroke of the water drinking tube of 40 or so will all focus on close
Packing frictional force is less than that joint of the frictional force between fixing card and water drinking tube, now each expansion joint inner chamber institute energy
The stroke born only reaches the stroke of several tubes, when the stroke of tens pipes is all focused at an expansion joint
When, it will produce and come off herein, cause drinking-water system leak.
2nd, it is to splice each water drinking tube using the connecting hose of rubber quality, so each pipe joint portion position is pressed from both sides using clip
Tightly, connecting hose material is softer, mostly rubber quality, and ageing-resistant poor, usage time is not grown, and easily causes the mouse inside pouity dwelling place
Etc. baiting, cracky, leak is produced.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of drinking-water seal of tube simple in construction, good sealing effect and stretched
Joint.
The technical problems to be solved by the invention are also to provide a kind of sealing flexible water drinking tube.
In order to solve the above technical problems, the invention provides one kind drinking-water seal of tube expansion joint, including adapter sleeve, sealing
Circle and end cap, adapter sleeve are sleeved on the outside of adjacent two drinking-water tube end, and adapter sleeve rear end is extended with tubular seals portion, sealing ring
Between the sealing and corresponding water drinking tube of adapter sleeve, end cap includes the insertion section of tubulose and the stop part of ring-type, end
The insertion section of lid is stretched between the sealing of adapter sleeve and corresponding water drinking tube and is resisted against on sealing ring, and the stop part of end cap supports
Lean against on adapter sleeve rear end face；
Described sealing ring is V-shaped seal ring, and V-shaped seal ring opening is aligned on front side of adapter sleeve.
After such structure, V-shaped seal ring surface is relatively smooth, can be according to the lip of temperature change V-shaped seal ring
Portion is bonded with by sealing surface all the time, is ensured the sealing between adapter sleeve and corresponding water drinking tube, is avoided water drinking tube because poorly sealed
Come off, cause leak to produce.
And when V-shaped seal ring opening alignment adapter sleeve on front side of when, V-shaped seal ring can seal water drinking tube inside water pressure without
Release is produced, when hydraulic pressure pressure increases, the procheilon of current meeting reaction V-shaped seal ring changes contact shape and enlarged contact should
Power, lip are bonded closer, the tighter effect of realization sealing with by sealing surface.
The adapter sleeve inwall of this drinking-water seal of tube expansion joint is extended with position limiting convex ring, and position limiting convex ring is in adjacent two drinks
Between water pipe；After such structure, position limiting convex ring can not only control the flexible amplitude of water drinking tube, and can limit two
The relative position of individual water drinking tube, be advantageous to the assembling of this drinking-water seal of tube expansion joint.
Bond and connect between the end cap of this drinking-water seal of tube expansion joint and the sealing of adapter sleeve, before the stop part of end cap
End face is provided with spilling annular groove；After such structure, overflowing annular groove can prevent that being bonded remaining glue oozes out, and influences surface aesthetic.
The V-shaped seal ring surface coating polytetrafluorethylecoatings coatings of this drinking-water seal of tube expansion joint；Using such structure
Afterwards, have more slickness by coating the V-shaped seal ring surface of polytetrafluoroethylene (PTFE), be not required to add lubricant during installation, and drinking
The water system later stage using when avoid drinking-water system from disconnecting, and in the case where sealing gasket output is larger, it is close to share each V-type equally
Polytetrafluorethylecoatings coatings expense in seal is relatively low, and the 3% of each sealing ring cost of deficiency.
In order to solve the above technical problems, seal flexible water drinking tube present invention also offers one kind, including body, sealing ring and
End cap, body rear end are extended with adapter sleeve, and adapter sleeve rear end is also extended with tubular seals portion, and sealing ring is arranged on the close of adapter sleeve
In envelope portion, end cap includes the insertion section of tubulose and the stop part of ring-type, and the insertion section of end cap is stretched into the sealing of adapter sleeve simultaneously
It is resisted against on sealing ring, the stop part of end cap is resisted against on adapter sleeve rear end face；
Described sealing ring is V-shaped seal ring, and V-shaped seal ring opening is aligned on front side of adapter sleeve.
This sealing, which stretches to bond between the end cap of water drinking tube and the sealing of adapter sleeve, to be connected, the stop part front end face of end cap
It is provided with spilling annular groove.
The V-shaped seal ring surface coating polytetrafluorethylecoatings coatings of the flexible water drinking tube of this sealing.
After such structure, this sealing stretches water drinking tube by common water drinking tube and above-mentioned drinking-water seal of tube expansion joint
Integrate, when making the flexible water drinking tube of this sealing that not only there is the advantages of above-mentioned drinking-water seal of tube expansion joint, and using
It is time saving and energy saving without two-way assembling water drinking tube.
Brief description of the drawings
Fig. 1 is the structural representation of this drinking-water seal of tube expansion joint embodiment one.
Fig. 2 is Fig. 1 decomposition view.
Fig. 3 is the use state figure of this drinking-water seal of tube expansion joint embodiment one.
Fig. 4 is the use state figure of the flexible water drinking tube embodiment two of this sealing.
Embodiment
Embodiment one
As shown in Figures 1 to 3
The expansion joint of this drinking-water seal of tube includes adapter sleeve 1, V-shaped seal ring 3 and end cap 2.
The diameter of the endoporus of adapter sleeve 1 agrees with the external diameter of water drinking tube 4, and the inwall of adapter sleeve 1 is extended with position limiting convex ring 11, limit convex
The endoporus of adapter sleeve 1 is divided into former and later two interconnected chambers by ring 11, and front chamber is fixed chamber 12, and rear chamber is flexible
Chamber 13, the rear end of adapter sleeve 1 are also extended with tubular seals portion 14, and the internal diameter of sealing 14 is more than the internal diameter of water drinking tube 4.
End cap 2 includes the insertion section 21 of tubulose and the stop part 22 of ring-type, and the diameter of stop part 22 is more than insertion section 21
Diameter, the front end face of stop part 22 of end cap 2, which is provided with, overflows annular groove 23.
The surface of V-shaped seal ring 3 coats polytetrafluorethylecoatings coatings.
During assembling, adapter sleeve 1 is sleeved on the outside of adjacent two water drinking tubes 4 end, two aqueducts are respectively at spacing
In the two chambers of the both sides of bulge loop 11, it is adhesively fixed between the inwall of a water drinking tube 4 and fixed chamber 12 by glue, it is another
Root water drinking tube 4 is stretched into bellows chamber 13, V-shaped seal ring 3 be arranged on adapter sleeve 1 sealing 14 and corresponding water drinking tube 4 it
Between, the opening 31 of V-shaped seal ring 3 is directed at the front side of adapter sleeve 1；
The insertion section 21 of end cap 2 is stretched between the sealing 14 of adapter sleeve 1 and corresponding water drinking tube 4 and is resisted against sealing ring
On, the stop part 22 of end cap 2 is resisted against on the rear end face of adapter sleeve 1, passes through glue between the sealing 14 of end cap 2 and adapter sleeve 1
It is adhesively fixed.
In use, the expansion joint of this drinking-water seal of tube connects adjacent two water drinking tubes 4, it is entirely capable of keeping the state of sealing, V
For size during 3 decrement minimum of type sealing ring to reduce friction, the surface of V-shaped seal ring 3 coats polytetrafluorethylecoatings coatings, to reduce
Coefficient of friction between V-shaped seal ring 3 and water drinking tube 4, make effect of the whole piece drinking-water line in the unlubricated dose of lubrication of V-shaped seal ring 3
Under, still can be capable of expansion and contraction in the inside of adapter sleeve 1 under less pulling force effect, and V-shaped seal ring 3 can seal water drinking tube 4
Inside water pressure is without producing release, and when hydraulic pressure pressure increases, sealing gasket procheilon changes contact shape and enlarged contact stress, lip
Closer, the tighter effect of realization sealing is bonded with by sealing surface.
Embodiment two
As shown in Figure 4
The flexible water drinking tube of sealing of the present embodiment and differing only in for embodiment one：Water drinking tube in embodiment one is close
Envelope expansion joint is integrated on aqueduct, i.e. the rear end of body 5 ' of the flexible water drinking tube of this sealing is extended with adapter sleeve 1 ', adapter sleeve
1 ' rear end is also extended with tubular seals portion 14 ', is provided only with bellows chamber 13 ' in adapter sleeve 1 ', the flexible water drinking tube of this sealing its
He is substantially the same structure with the drinking-water seal of tube expansion joint in embodiment one, the use of V-shaped seal ring 3 ' and end cap 2 ' also with
It is identical to implement one.
When in use, can be joined end to end successively by the flexible water drinking tubes of more basic sealings, or with other common water drinking tubes
4 ' coordinate, and form local telescopic water route.
Above-described is only two kinds of embodiments of the present invention, it is noted that for one of ordinary skill in the art
For, under the premise without departing from the principles of the invention, some variations and modifications can also be made, these also should be regarded as belonging to this hair
Bright protection domain.
Claims (2)
1. one kind drinking-water seal of tube expansion joint, including adapter sleeve, sealing ring and end cap, adapter sleeve is sleeved on adjacent two drinking-water
On the outside of tube end, adapter sleeve rear end is extended with tubular seals portion, and sealing ring is arranged on the sealing of adapter sleeve and corresponding drinking-water
Between pipe, the insertion section of end cap including tubulose and the stop part of ring-type, the insertion section of end cap stretch into the sealing of adapter sleeve with it is right
Between the water drinking tube answered and it is resisted against on sealing ring, the stop part of end cap is resisted against on adapter sleeve rear end face, it is characterized in that：
Described sealing ring is V-shaped seal ring, and V-shaped seal ring opening is aligned on front side of adapter sleeve；
Described adapter sleeve inwall is extended with position limiting convex ring, and position limiting convex ring is between adjacent two water drinking tubes；
Connection is bonded between end cap and the sealing of adapter sleeve, the stop part front end face of end cap is provided with spilling annular groove；
V-shaped seal ring surface coats polytetrafluorethylecoatings coatings.
2. the flexible water drinking tube of one kind sealing, it is characterized in that：Including body, sealing ring and end cap, body rear end is extended with adapter sleeve,
Adapter sleeve rear end is also extended with tubular seals portion, and sealing ring is arranged in the sealing of adapter sleeve, and end cap includes the insertion of tubulose
Portion and the stop part of ring-type, the insertion section of end cap are stretched into the sealing of adapter sleeve and are resisted against on sealing ring, the stop of end cap
Portion is resisted against on adapter sleeve rear end face；
Described sealing ring is V-shaped seal ring, and V-shaped seal ring opening is aligned on front side of adapter sleeve；
Connection is bonded between end cap and the sealing of adapter sleeve, the stop part front end face of end cap is provided with spilling annular groove；
V-shaped seal ring surface coats polytetrafluorethylecoatings coatings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511023181.0A CN105423044B (en) | 2015-12-29 | 2015-12-29 | Drinking-water seal of tube expansion joint and the flexible water drinking tube of sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511023181.0A CN105423044B (en) | 2015-12-29 | 2015-12-29 | Drinking-water seal of tube expansion joint and the flexible water drinking tube of sealing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105423044A CN105423044A (en) | 2016-03-23 |
| CN105423044B true CN105423044B (en) | 2018-01-26 |
Family
ID=55501464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511023181.0A Active CN105423044B (en) | 2015-12-29 | 2015-12-29 | Drinking-water seal of tube expansion joint and the flexible water drinking tube of sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105423044B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106361141A (en) * | 2016-11-03 | 2017-02-01 | 温州千寻电气科技有限公司 | Temperature control device of self-sealing gush type electric kettle |
| CN107115092A (en) * | 2017-05-28 | 2017-09-01 | 苏州乐步生物科技有限公司 | A kind of anal intestine intubation |
| CN109140083A (en) * | 2018-11-07 | 2019-01-04 | 钟正奎 | Rapid rush-repair connector |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1007654B (en) * | 1988-06-30 | 1990-04-18 | 张立夫 | Duct compensator |
| NL194378C (en) * | 1991-03-14 | 2002-02-04 | Festo Kg | Sealing ring. |
| CN202338717U (en) * | 2011-12-05 | 2012-07-18 | 山东东方管业有限公司 | Steel-plastic composite expansion joint with internally-lined ultrahigh molecular weight polyethylene material |
| CN204127553U (en) * | 2014-10-15 | 2015-01-28 | 浙江锦宇枫叶管业有限公司 | Building water supply cross-linked polyethylene pipe assembly |
| CN205479916U (en) * | 2015-12-29 | 2016-08-17 | 蚌埠依爱电子科技有限责任公司 | Sealed expansion joint of drinking water pipe and sealed flexible drinking water pipe |
-
2015
- 2015-12-29 CN CN201511023181.0A patent/CN105423044B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1007654B (en) * | 1988-06-30 | 1990-04-18 | 张立夫 | Duct compensator |
| NL194378C (en) * | 1991-03-14 | 2002-02-04 | Festo Kg | Sealing ring. |
| CN202338717U (en) * | 2011-12-05 | 2012-07-18 | 山东东方管业有限公司 | Steel-plastic composite expansion joint with internally-lined ultrahigh molecular weight polyethylene material |
| CN204127553U (en) * | 2014-10-15 | 2015-01-28 | 浙江锦宇枫叶管业有限公司 | Building water supply cross-linked polyethylene pipe assembly |
| CN205479916U (en) * | 2015-12-29 | 2016-08-17 | 蚌埠依爱电子科技有限责任公司 | Sealed expansion joint of drinking water pipe and sealed flexible drinking water pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105423044A (en) | 2016-03-23 |
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