CN109424808A - Pipe joint and heat pump system - Google Patents
Pipe joint and heat pump system Download PDFInfo
- Publication number
- CN109424808A CN109424808A CN201710772132.XA CN201710772132A CN109424808A CN 109424808 A CN109424808 A CN 109424808A CN 201710772132 A CN201710772132 A CN 201710772132A CN 109424808 A CN109424808 A CN 109424808A
- Authority
- CN
- China
- Prior art keywords
- connector
- groove
- face
- pipe joint
- sealing element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/032—Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
-
- 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
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Abstract
A kind of pipe joint of the present invention and heat pump system, several pipelines including temperature control device and the connection temperature control device, the pipeline is connected by pipe joint, the pipe joint includes the first connector, second connector, sealing element and fastener, first connector is equipped with the groove for accommodating the sealing element, second connector is equipped with the protrusion for compressing the sealing element, first connector and second connector are fixed by fastener assembling, the protrusion compresses the sealing element and is contained in the groove, the sealing element is metal gasket or Graphite pad.Protrusion is arranged by being arranged on groove and the second connector on the first connector in the application, is pressed on sealing element in the groove using protrusion, then first connector and the second connector are assembled the fixed sealing for completing connector, reliable performance by fastener；Using metal gasket and/or Graphite pad as sealing element, the purpose for guaranteeing leakproofness under high temperature and high pressure condition is realized.
Description
Technical field
The present invention relates to field of pipeline connection more particularly to a kind of pipe joints and heat pump system.
Background technique
In automotive air-conditioning system, common refrigerant is sealed frequently with the O-ring of plastics or rubber material as connecting line
Part, but in high temperature and high pressure environment, O-ring often causes secondary refrigerant leakage because deformation is excessive.
Novel cooling medium is more and more used in automotive air-conditioning system, and operating pressure is than traditional refrigerant R134a work
Make high 10 times of pressure or so, because of operating pressure height, the high feature of temperature, the sealing elements such as common plastics, rubber are in air-conditioning
It is no longer applicable in system.Therefore a kind of piping connection knot that good seal performance can be able to maintain under high pressure, hot environment is needed
Structure is to meet automotive air-conditioning system connecting line sealing requirements.
Summary of the invention
According to a first aspect of the embodiments of the present invention, provide a kind of can keep good seal performance under high temperature and pressure
Pipe joint.
A kind of pipe joint, including the first connector, the second connector, sealing element and fastener, first connector are equipped with
The groove of the sealing element is accommodated, second connector is equipped with the protrusion for compressing the sealing element, first connector and institute
It states the second connector to fix by fastener assembling, the protrusion compresses the sealing element and is contained in the groove, institute
Stating sealing element is metal gasket or Graphite pad.
Optionally, first connector has opposite first end face and second end face, and the groove is from the second end
Face is formed along axial depression.
Optionally, second connector has opposite third end face and the 4th end face, described raised from the third end
Face is protruded out along axial direction, and after first connector and second connector assembling, the second end face is affixed with the third end face
It closes.
Optionally, second connector has opposite third end face and the 4th end face, described raised from the third end
Face is protruded out along axial direction, after first connector and second connector assembling, between the second end face and the third end face
Form a gap.
Optionally, first connector, which is equipped with, takes over hole, second connector axially through the first of the first connector
It is equipped with the second axially disposed adapter tube hole, the groove is located on the periphery in first adapter tube hole, and the protruding ring is set
In the periphery in second adapter tube hole.
Optionally, at least side in first adapter tube hole is equipped with the first mounting hole of fastener, second adapter tube hole
At least side is equipped with the second mounting hole corresponding with first mounting hole.
Optionally, the groove includes the first groove and the second groove for being located on the periphery in first adapter tube hole, institute
Stating protrusion includes the first protrusion compatible with first groove and the second protrusion compatible with second groove.
Optionally, the sealing element includes first seal and second seal, and the first seal is contained in described
It is compressed in first groove and by first protrusion, the second seal is contained in second groove and by described second
Protrusion compresses.
According to a second aspect of the embodiments of the present invention, a kind of under the operating condition of high temperature and pressure, holding good sealing property is provided
The heat pump system of energy.The heat pump system includes several pipelines of temperature control device and the connection temperature control device, and the pipeline is logical
Cross pipe joint connection as described above.
By above technical scheme as it can be seen that the groove of sealing element is accommodated by being arranged on the first connector, on the second connector
Setting protrusion compresses sealing element so that the sealing element is contained in the groove, by fastener by first connector and the
The fixed sealing for completing connector of two connectors assembling；In addition, being realized using metal gasket and/or Graphite pad as sealing element
Guarantee the purpose of leakproofness under high temperature and high pressure condition.
Detailed description of the invention
Fig. 1 is the perspective exploded view of one exemplary embodiment pipe joint of the application；
Fig. 2 is the partially exploded diagram of the application another exemplary embodiment pipe joint, does not disclose fastener；
Fig. 3 is the perspective cross-sectional schematic diagram of the application another exemplary embodiment pipe joint；
Fig. 4 is the corresponding assembling schematic cross-sectional view of Fig. 3；
Fig. 5 is the assembling schematic cross-sectional view of the application another exemplary embodiment pipe joint.
Detailed description of the invention
Pipe joint 100
First connector 1
Groove 10
First groove, 101 second groove 102
11 second end face 12 first of first end face takes over 13 first mounting hole 14 of hole
Second connector 2
Protrusion 20
First raised 201 second protrusions 202
23 second mounting hole 24 of hole is taken in the 4th end face 22 second of third end face 21
Fastener 3
Sealing element 4
41 second seal 42 of first seal
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and method being described in detail in claims, some aspects of the invention are consistent.
It is only to be not intended to limit the invention merely for for the purpose of describing particular embodiments in terminology used in the present invention.
It is also intended in the present invention and the "an" of singular used in the attached claims, " described " and "the" including majority
Form, unless the context clearly indicates other meaning.
It should be appreciated that " first " " second " and similar word used in present specification and claims
It is not offered as any sequence, quantity or importance, and is used only to distinguish different component parts.Equally, "one" or
The similar word such as " one " does not indicate that quantity limits yet, but indicates that there are at least one.Unless otherwise noted, " front ", " after
The similar word such as portion ", " lower part " and/or " top " is not limited to a position or a kind of sky only to facilitate explanation
Between orient.The similar word such as " comprising " or "comprising" means to appear in element or object before " comprising " or "comprising"
Cover the element for appearing in " comprising " or "comprising" presented hereinafter or object and its equivalent, it is not excluded that other elements or
Object." multiple " being previously mentioned in the application include two and two or more.
With reference to the accompanying drawing, exemplary embodiment of the present is described in detail.In the absence of conflict, following
Feature in embodiment and embodiment can be combined with each other.
Fig. 1 is the perspective exploded view of one exemplary embodiment pipe joint of the application.The pipe joint can be applied to
Various heat pump systems are suitable for the various fields such as air-conditioning, automobile.
It please refers to shown in Fig. 1 to Fig. 3, a kind of pipe joint 100 that can keep good seal performance under high temperature and pressure.
The pipe joint 100, including the first connector 1, the second connector 2, fastener 3 and sealing element 4.
First connector 1 has opposite first end face 11 and second end face 12, and first connector 1 is equipped with receiving
The groove 10 of the sealing element 4, the groove 10 are formed from the second end face 12 along axial depression.On first connector 1
It is additionally provided with from the first end face 11 and takes over hole 13 axially through the first of the second end face 12, the groove 10 is located on
The periphery in first adapter tube hole 13.
Second connector 2 has opposite third end face 21 and the 4th end face 22, and the third end face 21 is equipped with edge
The protrusion 20 axially protruded out, described raised 20 compress the sealing element 4.First connector 1 passes through institute with second connector 2
It states the assembling of fastener 3 to fix, after first connector 1 is assembled with second connector 2, described raised 20 compress the sealing
Part 4 is simultaneously contained in the groove 10.
It is additionally provided on second connector 2 from the third end face 21 and is connect axially through the second of the 4th end face 22
Pore 23.Described raised 20 are located on the periphery in second adapter tube hole 23.In one embodiment, the first adapter tube hole 13, second
It is coaxial to take over hole 23, the first connector 1 and the second connector 2.
At least side in first adapter tube hole 13 is equipped with the first mounting hole 14 of fastener 3, second adapter tube hole 23
At least side be equipped with second mounting hole 24 corresponding with first mounting hole 14.The fastener 3 is pacified by described first
Hole 14 and second mounting hole 24 is filled to fix and realize sealing first connector 1 and second connector 2 assembling.It is described tight
Firmware 3 can be any component that bolt etc. can fit together first connector 1 with second connector 2.
In one embodiment, first mounting hole 14 is from the first end face 11 axially through the second end face
12 through-hole, second mounting hole 24 are the through-holes from the third end face 21 axially through the 4th end face 22.Such as
Shown in Fig. 2 and Fig. 5.
In another embodiment, any one can be set into first mounting hole 14 or second mounting hole 24
It is through-hole, another is the form of non through hole.As shown in Figures 3 and 4.
As shown in figure 4, in one embodiment, after first connector 1 is assembled with second connector 2, the second end
Face 12 fits with the third end face 21.
As shown in figure 5, in one embodiment, the sum of the thickness of the sealing element 4 and the height of protrusion 20 are greater than receiving two
The depth of the groove 10 of person, at this time first connector 1 with after second connector 2 assembling, the second end face 12 with it is described
A gap 5 is formed between third end face 21.Because of the presence in gap 5, when tightening the fastener 3, sealing element 4 is easier quilt
It compresses.
Really, in order to realize that better seal effect, sealing structure can be set to two groups.The sealing element 4 includes the
One sealing element 41 and second seal 42；The groove 10 is arranged to be located on the first of first adapter tube hole, 13 periphery at this time
Groove 101 and the second groove 102；Corresponding, described raised 20 are arranged to compatible with first groove 101
One protrusion 201 and second protrusion 202 compatible with second groove 102.
When assembling, the first seal 41 is compressed by first protrusion 201 and is contained in first groove 101,
The second seal 42 is compressed by second protrusion 202 and is contained in second groove 102；To guarantee joint sealing
Reliability.
The sealing element 4 is metal gasket or Graphite pad.
Metal gasket has a higher high temperature high voltage resistant performance compared with the sealing rings such as traditional plastics, rubber, therefore
Under high temperature, hyperbaric environment, it is ensured that good sealing effect.
Graphite pad, which can be to be made of high purity graphite material, to be also possible to by high purity graphite and high molecular material or metal
Material is mixed.Its characteristic with low leakage, loose, the high rebound compensation amount of low stress, therefore can be reused.Together
Shi Shimo has the characteristics that high temperature resistant, therefore under high temperature, hyperbaric environment, can guarantee good sealing effect.
Good sealing performance can be kept under high temperature and high pressure environment using the metal gasket or Graphite pad, effectively kept away
Exempt from the leakage of refrigerant.
In conclusion mounting hole is arranged with second connector 2 in first connector 1 in the application exemplary embodiment
Quantity and protrusion can be combined with the quantity of groove with unrestricted choice.
According to a second aspect of the embodiments of the present invention, a kind of under the operating condition of high temperature and pressure, holding good sealing property is provided
The heat pump system of energy.The heat pump system includes several pipelines of temperature control device and the connection temperature control device, and the pipeline is logical
Pipe joint 100 as described above is crossed to connect.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, in the range of not departing from technical solution of the present invention, when the technology contents using the disclosure above are modified or are repaired
Decorations are the equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, technology according to the present invention are real
Matter any simple modification, equivalent change and modification to the above embodiments, still fall within the range of technical solution of the present invention
It is interior.
Claims (9)
1. a kind of pipe joint, which is characterized in that including the first connector (1), the second connector (1), sealing element (4) and fastener
(3), first connector (1) is equipped with the groove (10) for accommodating the sealing element (4), and second connector (2) is equipped with and supports
The protrusion (20) of the sealing element (4) is pressed, first connector (1) and second connector (2) pass through the fastener (3) group
Dress is fixed, and the protrusion compresses the sealing element and is contained in the groove, and the sealing element (4) is metal gasket or graphite
Gasket.
2. pipe joint according to claim 1, which is characterized in that first connector (1) has opposite first end
Face (11) and second end face (12), the groove (10) are formed from the second end face along axial depression.
3. pipe joint according to claim 2, which is characterized in that second connector (2) has opposite third end
Face (21) and the 4th end face (22), it is described protrusion (20) protruded out from the third end face along axial direction, first connector with it is described
After the assembling of second connector, the second end face fits with the third end face.
4. pipe joint according to claim 2, which is characterized in that second connector (2) has opposite third end
Face (21) and the 4th end face (22), it is described protrusion (20) protruded out from the third end face along axial direction, first connector with it is described
After the assembling of second connector, a gap (5) are formed between the second end face and the third end face.
5. pipe joint according to any one of claims 1 to 4, which is characterized in that first connector (1) is equipped with edge
The first adapter tube hole (13) of the first connector is axially penetrated through, second connector (2) is equipped with the second axially disposed adapter tube hole
(23), the groove (10) is located on the periphery in first adapter tube hole, and the protrusion (20) is located on second adapter tube hole
Periphery.
6. pipe joint according to claim 5, which is characterized in that at least side of first adapter tube hole (13) is equipped with
The first mounting hole of fastener (14), at least side of second adapter tube hole (23) are equipped with corresponding with the first mounting hole (14)
The second mounting hole (24).
7. pipe joint according to claim 5, which is characterized in that the groove (10) includes being located on described first to connect
The first groove (101) and the second groove (102) of the periphery of pore, the protrusion (20) includes being adapted with first groove
First raised (201) and second raised (202) compatible with second groove.
8. pipe joint according to claim 7, which is characterized in that the sealing element (4) includes first seal (41)
And second seal (42), the first seal are contained in first groove (101) and by described first raised (201)
It compresses, the second seal (42) is contained in second groove (102) and is compressed by described second raised (202).
9. a kind of heat pump system, which is characterized in that several pipelines including temperature control device and the connection temperature control device, the pipe
Road is connected by pipe joint as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710772132.XA CN109424808A (en) | 2017-08-31 | 2017-08-31 | Pipe joint and heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710772132.XA CN109424808A (en) | 2017-08-31 | 2017-08-31 | Pipe joint and heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109424808A true CN109424808A (en) | 2019-03-05 |
Family
ID=65505349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710772132.XA Pending CN109424808A (en) | 2017-08-31 | 2017-08-31 | Pipe joint and heat pump system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109424808A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594505A (en) * | 2019-07-31 | 2019-12-20 | 广西玉柴机器股份有限公司 | Sealing structure of connecting pipe |
| CN110608323A (en) * | 2019-07-31 | 2019-12-24 | 广西玉柴机器股份有限公司 | Sealing structure of connecting pipe |
| WO2023159939A1 (en) * | 2022-02-24 | 2023-08-31 | 上海众源燃油分配器制造有限公司 | Carbon dioxide air conditioner heat pump system pipeline connection flange sealing assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008005047A1 (en) * | 2008-01-18 | 2009-07-23 | Bayerische Motoren Werke Aktiengesellschaft | Line connector for air conditioning system of vehicle, has securing element including effective surface cooperating with effective surface at line connection part such that both parts are held together in pre-mounted position by element |
| CN102650358A (en) * | 2011-02-23 | 2012-08-29 | 江苏吉星管业科技有限公司 | Concave-convex annular spacing sealing structure with flanges |
| CN202791036U (en) * | 2012-09-13 | 2013-03-13 | 中国石油化工股份有限公司胜利油田分公司孤岛采油厂 | High-sealing-performance flange |
| CN203052035U (en) * | 2013-01-05 | 2013-07-10 | 中国航空工业集团公司沈阳发动机设计研究所 | Connection hoop flange structure with plane metal ring seal |
| CN208185693U (en) * | 2017-08-31 | 2018-12-04 | 杭州三花研究院有限公司 | pipe joint and heat pump system |
-
2017
- 2017-08-31 CN CN201710772132.XA patent/CN109424808A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008005047A1 (en) * | 2008-01-18 | 2009-07-23 | Bayerische Motoren Werke Aktiengesellschaft | Line connector for air conditioning system of vehicle, has securing element including effective surface cooperating with effective surface at line connection part such that both parts are held together in pre-mounted position by element |
| CN102650358A (en) * | 2011-02-23 | 2012-08-29 | 江苏吉星管业科技有限公司 | Concave-convex annular spacing sealing structure with flanges |
| CN202791036U (en) * | 2012-09-13 | 2013-03-13 | 中国石油化工股份有限公司胜利油田分公司孤岛采油厂 | High-sealing-performance flange |
| CN203052035U (en) * | 2013-01-05 | 2013-07-10 | 中国航空工业集团公司沈阳发动机设计研究所 | Connection hoop flange structure with plane metal ring seal |
| CN208185693U (en) * | 2017-08-31 | 2018-12-04 | 杭州三花研究院有限公司 | pipe joint and heat pump system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594505A (en) * | 2019-07-31 | 2019-12-20 | 广西玉柴机器股份有限公司 | Sealing structure of connecting pipe |
| CN110608323A (en) * | 2019-07-31 | 2019-12-24 | 广西玉柴机器股份有限公司 | Sealing structure of connecting pipe |
| WO2023159939A1 (en) * | 2022-02-24 | 2023-08-31 | 上海众源燃油分配器制造有限公司 | Carbon dioxide air conditioner heat pump system pipeline connection flange sealing assembly |
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| PB01 | Publication | ||
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| TA01 | Transfer of patent application right |
Effective date of registration: 20210722 Address after: 312599 xialiquan village, Qixing street, Xinchang County, Shaoxing City, Zhejiang Province Applicant after: SANHUA HOLDING GROUP Co.,Ltd. Address before: 310018 no.289-2, No.12 street, Hangzhou Economic and Technological Development Zone, Zhejiang Province Applicant before: Hangzhou Sanhua Research Institute Co.,Ltd. |
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