CN103196002A - Connector for connecting at least two accepting elements for fluid media - Google Patents
Connector for connecting at least two accepting elements for fluid media Download PDFInfo
- Publication number
- CN103196002A CN103196002A CN2012100023235A CN201210002323A CN103196002A CN 103196002 A CN103196002 A CN 103196002A CN 2012100023235 A CN2012100023235 A CN 2012100023235A CN 201210002323 A CN201210002323 A CN 201210002323A CN 103196002 A CN103196002 A CN 103196002A
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- CN
- China
- Prior art keywords
- connector
- pressure equalizing
- equalizing chamber
- compressible inserts
- connecting end
- 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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- 239000012530 fluid Substances 0.000 title claims abstract description 29
- 239000000463 material Substances 0.000 claims description 17
- 239000002984 plastic foam Substances 0.000 claims description 15
- 239000004202 carbamide Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 8
- 229920002943 EPDM rubber Polymers 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000005060 rubber Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 description 13
- 229920003023 plastic Polymers 0.000 description 13
- 238000000034 method Methods 0.000 description 9
- 238000003466 welding Methods 0.000 description 6
- 230000006378 damage Effects 0.000 description 4
- 239000003365 glass fiber Substances 0.000 description 4
- 230000008014 freezing Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 229920006375 polyphtalamide Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 125000001153 fluoro group Chemical group F* 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
Abstract
The invention relates a connector for connecting at least two accepting elements such as pipelines, which are used for fluid media. The connector is provided with a first connecting end (3) and a second connecting end (4), wherein the first connecting end (3) is used for being connected with a first accepting element; the second connecting end (4) is used for being connected with a second accepting element; the fluid media can flow between the first connecting end and the second connecting end; the connector is provided with a pressure balance chamber (5) between the first connecting end and the second connecting end; compressible inserts (6) are arranged in the pressure balance chamber; the compressible inserts are partially attached to inner walls (7) of the pressure balance chamber; and at least one longitudinal channel which is used for communicating fluids between the first connecting end and the second connecting end is arranged between the inner walls of the pressure balance chamber and the compressible inserts, when volume expansion caused by temperatures of fluid media occurs, the compressible inserts can be compressed, and particularly, the compressible inserts can be compressed to the center of the pressure balance chamber.
Description
Technical field
The present invention relates to a kind of for connecting at least two connectors that are used for the admittance element of flowing medium, for example be used for connecting two pipelines that are used for flowing medium, this connection device is useful on first connecting end that connects the first admittance element and is used for being connected second connecting end of the second admittance element, and connector can be flow through by flowing medium between first and second connecting end.Flowing medium can flow over there or flow from second connecting end to first connecting end on the contrary over there at this from first to second connecting end.The admittance element that is used for flowing medium refers to be used to the pipeline of leading flowing medium within the scope of the invention especially or is used for the casing of flowing medium or is used for the measuring element of flowing medium.Pipeline also refers to hoseline or plastic flexible pipe at this.Using when being used for connecting at least one pipeline according to connector of the present invention, below claiming that also this connector is tube connector.Pipeline can insert in first connecting end of tube connector or second connecting end and lockable particularly here aptly.
Background technique
The tube connector of above-mentioned pattern is known with different forms of implementation in practice.Particularly having problems for pipeline and the tube connector of leading water or water-bearing media, namely flowing medium freezes when low temperature, volumetric expansion.Owing to such volumetric expansion or owing to the pressure that occurs thereupon, pipeline and tube connector can damage or even destroy fully.Advised various measure in order to address this problem people in practice.But these measures are also unsatisfactory mostly.
In automobile, use so-called SCR method (selective catalytic reduction), in order to reduce the nitrogen content of waste gas.In the scope of this SCR method, adopt moisture urea liquid.In this moisture urea liquid the problems referred to above appear also particularly.Moisture urea liquid is similar to water and freezes when low temperature, volumetric expansion, and the pipeline of SCR system, connector etc. can damage or destroy fully by corresponding pressure increase.Known by reality, the pipeline of the boot media of in such SCR system, after automobile stops, finding time.Therefore getting rid of moisture medium freezes ducted.But this processing method expends and is very big and easily makes mistakes.
Summary of the invention
The object of the invention is, a kind of connector or tube connector that starts described pattern is provided, and can avoid the problems referred to above whereby.In particular, the present invention relates to a kind of for the connector that connects the admittance element that is used for moisture urea liquid, particularly in the scope of SCR system at this.
In order to reach this purpose, the present invention instructs a kind of for connecting at least two connectors that are used for the admittance element of flowing medium, for example be used for connecting two and be used for flowing medium, tube connector especially for the pipeline of urea liquid, this connection device is useful on first connecting end that connects the first admittance element and is used for being connected second connecting end of the second admittance element, described connector can be flow through by flowing medium between first and second connecting end, described connector has pressure equalizing chamber between first and second connecting end, compressible inserts is set in this pressure equalizing chamber, described compressible inserts is adjacent to the inwall of pressure equalizing chamber partly, between the inwall of pressure equalizing chamber and compressible inserts, at least one is set, a plurality of vertical passages that are communicated with for the fluid between first and second connecting end particularly, and when the volumetric expansion that is caused by temperature of flowing medium, compressible inserts can be compressed, particularly can be to the center compression of pressure equalizing chamber.
At least one is set is used for the vertical passage that the fluid between first and second connecting end is communicated with, expression within the scope of the invention, flowing medium can flow and flow on the contrary via vertical passage from first to second connecting end.The volumetric expansion that is caused by temperature of flowing medium refers to the volumetric expansion in the freezing process of flowing medium especially.
Within the scope of the invention, according to connector of the present invention by plastics or constituted by plastics basically.According to a kind of preferred form of implementation of the present invention, the housing of connector is made of polyamide and the preferred polyamide that is strengthened by glass fibre.But the polyphtalamide that the housing of connector also can be particularly strengthens by polyphtalamide (PPA) or by glass fibre or constituted by fluoro-containing plastic or the fluoro-containing plastic that strengthened by glass fibre.To be chosen to for the material of connector shell aptly, make that the sealed connection of housing and the material of the pipeline that is made of plastics that needs to be connected is possible.This preferably by welding method with particularly realize sealed being connected of material by spin welding.Connector is so-called quick connector preferably.
Within the scope of the invention, connector is along the longitudinal direction by flowing medium, particularly flow through by urea liquid.Aptly, connector mainly comprises a plurality of columniform parts, and these columniform parts one after the other arrange along the longitudinal direction of connector.Particularly first connecting end, pressure equalizing chamber and second connecting end one after the other arrange along the longitudinal direction of connector.By recommending to extend through first connecting end and/or by pressure equalizing chamber and/or by second connecting end along the longitudinal axis that the longitudinal direction of connector stretches, and especially preferably medially by first connecting end and/or by pressure equalizing chamber and/or by second end.
Aptly, pressure equalizing chamber is configured to columniform, and preferred compressible inserts also is configured to columniform or columniform basically.Pressure equalizing chamber particularly is made of plastics and the plastics that especially strengthened by glass fibre.About the material of preferably selecting for pressure equalizing chamber, can consult above material to the connector shell explanation.Preferably the pressure equalizing chamber that is made of plastics is by recommending by a plurality of parts, being made up of two parts aptly, and each several part interconnects via welding method.
As previously discussed, according to particularly preferred form of implementation of the present invention, flowing medium is urea liquid or moisture urea liquid.The element of respectively admitting according to connector of the present invention or connection thereon uses by being recommended in the SCR system.Proved particularly suitable according to the solution of the present invention in such SCR system.
Within the scope of the invention, the compressible inserts that arranges in pressure equalizing chamber can reversibly be out of shape.Compressible inserts is because compressed during the volumetric expansion of freezing of flowing medium, and compressible inserts is owing to preferably occupy its original shape during the volume-diminished of thawing subsequently again.Aptly, compressible inserts is by elastic material, particularly be made of flexible plastic materials.
According to particularly preferred form of implementation of the present invention, compressible inserts is by plastic foam, preferably the plastic foam by closed pore constitutes.Aptly, compressible inserts is by the plastic foam of rubber system, especially preferably the plastic foam by EPDM (ethylene propylene diene rubber) system constitutes.Within the scope of the invention, compressible inserts is more than 50% percent by volume, preferably more than 60% percent by volume and especially preferably be made of plastic foam, the particularly plastic foam by closed pore rubber system or the EPDM system more than 80% percent by volume.Proved that a kind of form of implementation is suitable for especially, wherein, compressible inserts is more than 90% percent by volume, preferably constitute more than 95% the percent by volume EPDM plastic foam by closed pore.Recommend at this, that the surface of compressible inserts is configured to seal or constituted by the shell that closes envelope.
According to embodiment preferred of the present invention, the material of compressible inserts has 0.5～0.7g/cm
3Density, particularly density 0.55～0.65g/cm
3Be configured to closely according to the compressible inserts of recommending very much of form of implementation of the present invention." closely " here represented, compressible inserts does not have cavity or do not have bigger cavity.If compressible inserts is made of plastic foam, the particularly plastic foam by closed pore according to preferred form of implementation, then the pore of compressible inserts foam-expelling or cell do not have cavity outward or do not have bigger cavity.
Recommend at this, compressible inserts has 2 to 25 Xiao A hardness, preferred 3 to 20 Xiao A hardness, 4 to 18 Xiao A hardness (hardness of measuring by Deutsche industry norm (DIN) DIN 53505) very preferably.According to the form of implementation that proof of the present invention is suitable for, compressible inserts has 0～55%, preferred 20%～50% and very preferably 25%～47% compression set (Deutsche industry norm (DIN) DIN 53572,22 hours, 70 ℃, 50% distortion).
According to a kind of preferred form of implementation of the present invention, compressible inserts particularly is adjacent to the inwall of pressure equalizing chamber under pretightening force.Within the scope of the invention, each vertical passage arranges at the circumference of compressible inserts with distributing, and these vertical passages are separated from each other by a plurality of vertical bars.According to a kind of embodiment of recommendation, vertically bar protrudes from the inwall of pressure equalizing chamber.Proved that suitable is that compressible inserts (preferably under pretightening force) is adjacent to.Aptly, vertical passage is manufactured into or stays the inwall into pressure equalizing chamber.Preferably on the circumference of inwall or at each vertical passage that the circumference of compressible inserts distributes, have identical spacing or substantially the same spacing each other.Aptly, each vertical bar then has identical width or substantially the same width.Within the scope of the invention, vertical passage and vertically bar extend along the longitudinal direction or along the direction of the longitudinal axis L of connector.By recommendation, vertical passage and vertical bar are parallel to or are arranged essentially parallel to the longitudinal axis L setting of connector.Particularly arrange at least two, preferably arrange at least three and at least four vertical passages very preferably are set.
As mentioned above, according to the form of implementation that the present invention recommends, pressure equalizing chamber and/or compressible inserts are configured to columniform.According to a kind of embodiment, the vertical bar of each of each vertical passage that is separated from each other protrudes from the cylinder shape inner wall of pressure equalizing chamber.Within the scope of the invention, compressible inserts is arranged in the pressure equalizing chamber coaxially, and pressure equalizing chamber and compressible inserts have common longitudinal axis placed in the middle.
A kind of particularly preferred form of implementation of the present invention is characterised in that, pressure equalizing chamber have on the circumference within it around inwall and first end wall and second end wall, and between compressible inserts and first end wall and/or between compressible inserts and second end wall, be provided for the crosspassage that is communicated with the vertical passage fluid.At this especially, first end wall disposes to first connecting end of connector and second end wall and disposes second connecting end to connector.Aptly, pressure equalizing chamber is configured to columniform, so inwall constitutes the cylinder side face and two end walls constitute cylindrical surface.In first and/or second end wall, be provided for the crosspassage that is communicated with the vertical passage fluid, expression within the scope of the invention, flowing medium can flow to vertical passage via crosspassage maybe can flow into crosspassage from vertical passage.Within the scope of the invention, a plurality of crosspassages not only are set in first end wall but also in second end wall.Aptly crosspassage transverse to and be preferably perpendicular to or be substantially perpendicular to vertical passage and stretch.According to a kind of embodiment preferred, crosspassage is arranged on the end wall with becoming star ground or across.Particularly equal the number of the vertical passage between inwall and compressible inserts at the number of the crosspassage that end wall arranges.Within the scope of the invention, the direct and vertical passage connection of crosspassage.According to the flow direction of flowing medium, flowing medium can flow into vertical passage and flow into the crosspassage of second end wall from vertical passage via the crosspassage of first end wall, otherwise or.
The form of implementation of a kind of recommendation of the present invention is characterised in that, the fluid line that directly connects at pressure equalizing chamber of first connecting end and/or the fluid line that directly connects at pressure equalizing chamber of second connecting end have inner diameter d, this inner diameter d less than half of the inner diameter D of pressure equalizing chamber, particularly less than its 1/3rd, preferably less than its four/in the lump very preferably less than its 1/5th.The inner diameter d of fluid line is measured perpendicular to the longitudinal axis of fluid line or perpendicular to flow direction at this.The inner diameter D of pressure equalizing chamber perpendicular to longitudinal axis, be preferably perpendicular to the cylinder axis of pressure equalizing chamber and particularly mensuration in the zone of vertical bar.Within the scope of the invention, at least one fluid line, preferred two fluid lines direct and vertical passage connection via a plurality of crosspassages.
The length l of compressible inserts (along the direction detection of the longitudinal axis of compressible inserts or pressure equalizing chamber) is 1.1 to 1.5 with the ratio of the outer diameter A of compressible inserts, and preferred 1.25 to 1.35.The outer diameter A of this compressible inserts perpendicular to the zone of described longitudinal axis at vertical passage in mensuration.Recommend at this, the outer diameter A of compressible inserts is 20 to 50, particularly 25 to 45, preferred 30 to 40 and very preferably 32 to 38 with the ratio of the height h of vertical passage in the zone of vertical passage.The height h of vertical passage refers to the spacing of inwall in the zone of vertical passage of compressible inserts and pressure equalizing chamber here.By recommending, the ratio of the width b of the outer diameter A of compressible inserts and vertical passage is 1.5 to 3.5, aptly 1.8 to 2.8, preferred 2.0 to 2.6 and very preferably 2.1 to 2.5.Width b at this vertical passage measures transverse to the length l of compressible inserts.By recommending, each vertical passage extends at the total length l of compressible inserts, and aptly point-blank and preferred parallel extend in longitudinal axis compressible inserts or pressure equalizing chamber.
Theme of the present invention also is a kind of tube connector device, and it comprises the tube connector of at least one pipeline and at least one above-mentioned pattern that is connected in the end of pipeline.According to a kind of preferred form of implementation, at least one pipeline is set and connects the tube connector according to above-mentioned pattern of the present invention in each end of this pipeline.Therefore this pipeline connects two simultaneously according to tube connector of the present invention.Within the scope of the invention, on other two ends of these two tube connectors, connect another pipeline respectively.At each end of pipeline tube connector is set in both sides and has proved particularly advantageous about the solution of technical problem or about the favourable anti-frost protection of pipeline.
A kind of preferred form of implementation of the present invention is characterised in that, tube connector is arranged for the sealed connection of material in receiving portion and this receiving portion that connecting end has for pipeline, in particular for via welding method, the particularly sealed connection of the material of spin welding method.At this within the scope of the invention, the each several part that needs material to be connected of tube connector and pipeline is made of plastics sealedly at least, these plastics or identical or sealed connection is compatible for described material at least.But pipeline also can be set on the axle profiled member or by crimping by pipeline in the connection on the connecting end and realize.
According to a kind of embodiment of recommendation, tube connector has female connection receiving portion at connecting end, and this connects ABAP Adapter or plug that receiving portion is used for the public affairs of admittance pipeline.But this connecting end also can be equipped with public coupling or ABAP Adapter in principle.Then particularly relate to the quick connection ABAP Adapter of pattern SAEJ2044 at this.
The present invention is based on such opinion, namely utilize according to connector of the present invention or utilize according to tube connector device of the present invention can be simply, reliable in function with the volumetric expansion that is caused by temperature in the admittance element that is connected or in tube connector of compensator fluid medium effectively.Utilization can avoid admitting damage or the destruction of element or tube connector effectively according to measure of the present invention.Require emphasis, particularly in the SCR system by means of moisture urea liquid, can use especially effectively according to connector of the present invention or according to tube connector device of the present invention.Require emphasis in addition, the simple relatively and low measure of cost just can reach according to achievement utilization of the present invention.
Description of drawings
Below illustrate in greater detail the present invention by the accompanying drawing that a kind of embodiment only is shown.Each schematic representation is as follows:
Fig. 1 is according to the side view of analysing and observe of tube connector of the present invention,
Fig. 2 passes through the sectional drawing A-A according to the tube connector of Fig. 1,
Fig. 3 passes through the sectional drawing according to the perspective of the pressure equalizing chamber of the tube connector of Fig. 1.
Embodiment
Respectively illustrate the connector 1 for the admittance element that connects flowing medium.About unshowned flowing medium, particularly and in an embodiment relate to moisture urea liquid, and shown connector 1 uses in the scope of the SCR system that is used for automobile aptly and in an embodiment.In the embodiment according to Fig. 1, connecting tube 2 on first connecting end 3.Also can be connected the unshowned pipeline 2 in there at second connecting end 4.But also possible, connect other the admittance element with the form of unshowned casing or unshowned measuring element here.Connector 1 can be by flowing medium between first connecting end 3 and second connecting end 4, particularly flow through by urea liquid.
According to the present invention, connector 1 has pressure equalizing chamber 5 between first connecting end 3 and second connecting end 4, compressible inserts 6 is set in this pressure equalizing chamber.Preferably and in an embodiment, compressible inserts 6 is made of the EPDM plastic foam of closed pore.Compressible inserts 6 is configured to closely at this." closely " here represented, except the pore or cell of plastic foam, do not constituted other cavity in compressible inserts 6.Pressure equalizing chamber 5 is by recommending and being configured to columniform in an embodiment.Compressible inserts 6 that use in pressure equalizing chamber 5 or that arrange also is configured to columniform basically.
As seen, compressible inserts 6 is adjacent to the inwall 7 of pressure equalizing chamber 5 partly among Fig. 2, and is adjacent in the zone of the vertical bar 8 that protrudes from inwall 7.Also can find out among Fig. 2, between the inwall 7 of columniform pressure equalizing chamber 5 and compressible inserts 6, be provided for a plurality of vertical passages 9 that the fluid between first and second connecting end 3,4 is communicated with.Compressible inserts in the zone of each vertical bar 8 other particularly and under pretightening force, be adjacent to the inwall 7 of pressure equalizing chamber 5 in an embodiment.When the volumetric expansion that is caused by temperature of flowing medium, particularly when flowing medium freezing under volumetric expansion, compressible inserts 6 can be to the center compression of pressure equalizing chamber 5.By recommendation, compressible inserts 6 can reversibly be out of shape at this.
Fig. 2 illustrates, and four vertical passages 9 arrange with the circumference of mutually the same spacing at compressible inserts 6 with distributing in an embodiment, and these vertical passages 9 are separated from each other by four vertical bars 8 of inwall 7.Particularly and in an embodiment, vertical passage 9 and vertically bar 8 longitudinal axis L that is parallel to connector 1 extend.Compressible inserts 6 is packed in the pressure equalizing chamber 5 coaxially, thereby compressible inserts 6 has identical longitudinal axis L placed in the middle with pressure equalizing chamber 5.
In an embodiment pressure equalizing chamber 5 have on the circumference within it around inwall 7 and have and be first end wall 10 of first connecting end, 3 configurations and be second end wall 11 of second connecting end, 4 configurations.Therefore inwall 7 constitutes the cylinder side face of the cylindrical cavity of pressure equalizing chamber 5, and end wall 10,11 constitutes the surface of the cylindrical cavity of pressure equalizing chamber 5.Between compressible inserts 6 and first end wall 10 and between compressible inserts 6 and second end wall 11, be provided for the crosspassage 12 that is communicated with vertical passage 9 fluids.Crosspassage 12 moulding and arranging perpendicular to each vertical passage 9 particularly and in an embodiment in end wall 10,11.In an embodiment in addition on each end wall 10,11 across four crosspassages 12 are set.The vertical passage 9 of described crosspassage 12 and configuration directly is communicated with.
Particularly and in embodiment (Fig. 1), be that the first fluid pipeline 13 of first connecting end, 3 configurations is directly connected in pressure equalizing chamber 5, and be that second fluid line 14 of second connecting end, 4 configurations is directly connected in pressure equalizing chamber 5.Aptly and in an embodiment, the longitudinal axis of these fluid lines is corresponding to the longitudinal axis L placed in the middle of connector 1.Two fluid lines have inner diameter d, and this internal diameter is by recommending and in an embodiment less than 1/4th of the inner diameter D of pressure equalizing chamber 5.The inner diameter D of pressure equalizing chamber 5 is measured in this zone at vertical bar 8. Fluid line 13,14 is communicated with via crosspassage 12 and vertical passage 9 in addition.Aptly and in an embodiment, vertical passage extends at the total length l of compressible inserts 6, and extends in the longitudinal axis L of connector 1 with preferred parallel point-blank aptly.
Use the external diameter of the compressible inserts 6 of A mark in addition, this external diameter is measured in the zone of vertical passage 9.The height h of vertical passage 9 equals the spacing of the inwall 7 of compressible inserts tripping equilibrium of forces chambers 56 in the zone of vertical passage 9.With the width of b mark vertical passage 9, this width is measured transverse to the length l of compressible inserts.
Particularly and in an embodiment be constructed to quick connector at the connector 1 shown in each figure.Plug or ABAP Adapter that second connecting end 4 particularly is provided for admitting pipeline or admits element.The spacer element 18 (Fig. 1) of the spacer element 15 of an outside, two seal elements 16 that are configured to O shape ring, 17 and inside that arrange between two seal elements 16,17 is set in second connecting end 4.Be provided with fixed element 19 in addition and be used for the unshowned plug of locking or ABAP Adapter.
Can find out among Fig. 1 that pipeline 2 shown here inserts in the receiving portion of first connecting end 3.Pipeline 2 particularly material is connected in this first connecting end 3 sealedly and preferably makes the sealed connection of this material via the spin welding method.For this reason, first connecting end 3 and pipeline 2 are aptly by being connected compatible plastics and constituting for material being sealed.
Can find out also among Fig. 1 that second connecting end 4 is used for ABAP Adapter or the plug of the public affairs of admittance pipeline 2 with the form setting of mother's connection receiving portion.Public coupling also can be set in principle, particularly with the form of the ABAP Adapter of pattern SAE J2044 on the second pipeline end 4.
Can find out also among Fig. 1 that pressure equalizing chamber 5 particularly and in an embodiment is configured to two-part formula.Two parts 20,21 of pressure equalizing chamber 5 interconnect sealedly, particularly are welded to each other by suggesting material in join domain 22.At this within the scope of the invention, two of pressure equalizing chamber 5 parts 20,21 are by constituting for the compatible plastics of the sealed connection of material.
Claims (15)
1. connector (1) is used for connecting at least two admittance elements that are used for flowing medium, for example is for connecting two for the tube connectors of the pipeline of flowing medium, wherein
This connector (1) has for first connecting end (3) that connects the first admittance element with for second connecting end (4) that is connected the second admittance element,
This connector (1) can be flow through by flowing medium between first and second connecting end (3,4),
This connector (1) has pressure equalizing chamber (5) between first and second connecting end (3,4), compressible inserts (6) is set in this pressure equalizing chamber (5),
Compressible inserts (6) is adjacent to the inwall (7) of pressure equalizing chamber (5) partly, between the inwall (7) of pressure equalizing chamber (5) and compressible inserts (6), at least one is set and is used for the vertical passage (9) that fluid is communicated with between first and second connecting end (3,4)
And when the volumetric expansion that is caused by temperature of flowing medium, compressible inserts (6) can be compressed, particularly can be to the center compression of pressure equalizing chamber (5).
2. according to the described connector of claim 1, it is characterized in that flowing medium is urea liquid.
3. according to claim 1 or 2 described connectors, it is characterized in that compressible inserts (6) can reversibly be out of shape.
4. according to one of claim 1 to 3 described connector, it is characterized in that compressible inserts (6) is made of plastic foam, the particularly plastic foam by closed pore.
5. according to one of claim 1 to 4 described connector, it is characterized in that compressible inserts (6) is made of the plastic foam of rubber system, the particularly plastic foam by the EPDM system.
6. according to one of claim 1 to 5 described connector, it is characterized in that compressible inserts (6) is configured to closely.
7. according to one of claim 1 to 6 described connector, it is characterized in that, compressible inserts (6) has 2 to 25 Xiao A hardness, preferred 3 to 20 Xiao A hardness by Deutsche industry norm (DIN) DIN 53505, and/or by Deutsche industry norm (DIN) DIN 53572 22 hours, 70 ℃, be 0～55%, preferred 20%～50% compression set during 50% distortion.
8. according to one of claim 1 to 7 described connector, it is characterized in that compressible inserts (6) is adjacent to the inwall (7) of pressure equalizing chamber (5) partly under pretightening force.
9. according to one of claim 1 to 8 described connector, it is characterized in that, between the inwall (7) of pressure equalizing chamber (5) and compressible inserts (6), be provided for a plurality of vertical passages (9) that the fluid between first and second connecting end (3,4) is communicated with.
10. according to the described connector of claim 9, it is characterized in that, described a plurality of vertical passage (9) arranges on the circumference of compressible inserts (6) ground that distributes, and a plurality of vertical bar (8) of described vertical passage (9) by the inwall (7) of pressure equalizing chamber (5) is separated from each other.
11. according to one of claim 1 to 10 described connector, it is characterized in that, pressure equalizing chamber (5) have on the circumference within it around inwall (7) and first end wall (10) and second end wall (11), and at least one crosspassage (12), preferred a plurality of crosspassages (12) are being set between compressible inserts (6) and first end wall (10) and/or between compressible inserts (6) and second end wall (11), and described crosspassage is used for described at least one vertical passage (9), preferably is communicated with described a plurality of vertical passages (9) fluid.
12. according to one of claim 1 to 11 described connector, it is characterized in that, the fluid line (13) that connects at pressure equalizing chamber (5) of first connecting end (3) and/or the fluid line (14) in pressure equalizing chamber (5) connection of second connecting end (4) have internal diameter (d), this internal diameter less than half of the internal diameter (D) of pressure equalizing chamber, particularly less than its 1/3rd, preferably less than its four/in the lump very preferably less than its 1/5th.
13. according to the described connector of claim 12, it is characterized in that at least one fluid line (13,14) is communicated with described at least one vertical passage (9), preferably is communicated with described a plurality of vertical passages (9) via a plurality of crosspassages (12) via described at least one crosspassage (12).
14., it is characterized in that pressure equalizing chamber (5) is by a plurality of parts (20,21), preferably combined by two parts (20,21), and various piece (20,21) material interconnects according to one of claim 1 to 13 described connector sealedly.
15. tube connector device, it comprises at least one pipeline (2), and comprise that at least one connects in the end of pipeline (2) according to one of claim 1 to 12 described tube connector (1), preferably include two according to one of claim 1 to 12 described tube connector, connect a tube connector (1) in each end of pipeline (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210002323.5A CN103196002B (en) | 2012-01-06 | 2012-01-06 | For connecting at least two adapter receiving element for fluid media (medium) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210002323.5A CN103196002B (en) | 2012-01-06 | 2012-01-06 | For connecting at least two adapter receiving element for fluid media (medium) |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103196002A true CN103196002A (en) | 2013-07-10 |
| CN103196002B CN103196002B (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210002323.5A Expired - Fee Related CN103196002B (en) | 2012-01-06 | 2012-01-06 | For connecting at least two adapter receiving element for fluid media (medium) |
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| Country | Link |
|---|---|
| CN (1) | CN103196002B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2478161A1 (en) * | 1980-03-11 | 1981-09-18 | Fabre Jean | Frost-resistant pipe for domestic water feed - contains e.g. tube of compressible sealed cellular material which contracts when ice forms |
| GB2206666A (en) * | 1987-07-08 | 1989-01-11 | Leslie Ricketts | Expansion absorbing device |
| CN2147410Y (en) * | 1993-01-18 | 1993-11-24 | 胡海岭 | Direct through pressur balance corrugation expanding joint |
| JP2010007617A (en) * | 2008-06-30 | 2010-01-14 | Denso Corp | Reducing agent supply system |
| WO2010023124A1 (en) * | 2008-08-28 | 2010-03-04 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Scr system with compensation element |
-
2012
- 2012-01-06 CN CN201210002323.5A patent/CN103196002B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2478161A1 (en) * | 1980-03-11 | 1981-09-18 | Fabre Jean | Frost-resistant pipe for domestic water feed - contains e.g. tube of compressible sealed cellular material which contracts when ice forms |
| GB2206666A (en) * | 1987-07-08 | 1989-01-11 | Leslie Ricketts | Expansion absorbing device |
| CN2147410Y (en) * | 1993-01-18 | 1993-11-24 | 胡海岭 | Direct through pressur balance corrugation expanding joint |
| JP2010007617A (en) * | 2008-06-30 | 2010-01-14 | Denso Corp | Reducing agent supply system |
| WO2010023124A1 (en) * | 2008-08-28 | 2010-03-04 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Scr system with compensation element |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103196002B (en) | 2016-09-14 |
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