CN109424803A - Pipe joint component and heat pump system - Google Patents
Pipe joint component and heat pump system Download PDFInfo
- Publication number
- CN109424803A CN109424803A CN201710773297.9A CN201710773297A CN109424803A CN 109424803 A CN109424803 A CN 109424803A CN 201710773297 A CN201710773297 A CN 201710773297A CN 109424803 A CN109424803 A CN 109424803A
- Authority
- CN
- China
- Prior art keywords
- connector
- groove
- pipe joint
- joint component
- 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
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/04—Screw-threaded joints; Forms of screw-threads for such joints with additional sealings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H1/00557—Details of ducts or cables
- B60H1/00571—Details of ducts or cables of liquid ducts, e.g. for coolant liquids or refrigerants
Abstract
A kind of pipe joint component of the present invention and heat pump system, including the first connector, second connector, connector and sealing element, first connector at least partly outer surface is equipped with screw thread, second connector is provided with an accommodating chamber, it accommodates inner cavity surface and is equipped with screw thread compatible with first connector, connector is equipped with protrusion and is contained in the accommodating chamber, first connector is equipped with the groove for accommodating the sealing element, after first connector and the second connector are spirally connected in place, the convex portion is all contained in the groove and compresses the sealing element, the sealing element is metal gasket or Graphite pad.First connector and the second connector, which are directly spirally connected, which makes the protrusion on connector push sealing element, enters in groove, and sealing element is immobilizated in groove to reach sealing effect using the power that is spirally connected of the first connector and the second connector;Sealing element uses metal gasket and/or Graphite pad, realizes the purpose for guaranteeing leakproofness under high temperature and high pressure condition.
Description
Technical field
The present invention relates to field of pipeline connection more particularly to a kind of pipe joint component and heat pump systems.
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 component.
A kind of pipe joint component, including the first connector, the second connector, connector and sealing element, first connection
Part at least partly outer surface is equipped with screw thread, and second connector is provided with an accommodating chamber, and the receiving inner cavity surface is equipped with
Screw thread compatible with first connector, the connector are equipped with protrusion and are contained in the accommodating chamber, described first
Connector is equipped with the groove for accommodating the sealing element, described convex after first connector and the second connector are spirally connected in place
It rises and is partly or entirely contained in the groove and compresses the sealing element, the sealing element is metal gasket or Graphite pad.
Optionally, first connector includes head and spiro union portion, and the screw thread is set to the appearance of the spiro union portion
On face, the groove is set to the end of the spiro union portion.
Optionally, the groove includes the first groove and the second groove for being set to first connector end, described
Protrusion includes the first protrusion corresponding with first groove and the second protrusion corresponding 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.First closing element and second seal are compressed by first protrusion and the second protrusion, to guarantee
The reliability of sealing.
Optionally, the accommodating chamber includes setting threaded first chamber and non-threaded second chamber, the connector packet
Main part and the protrusion from the axially extending formation of the main part are included, the main part is contained in the second chamber, described convex
It rises and extends into the first chamber.
Optionally, the section configuration of the protrusion is consistent with the section configuration of the groove.
Optionally, first connector, which is equipped with, takes over hole, second connection axially through the first of its center
Part is equipped with the second adapter tube hole, and the connector is equipped with the third being connected to the first adapter tube hole and second adapter tube hole and connects
Pore.
Optionally, the groove is located on the periphery in first adapter tube hole, and the protruding ring is taken over set on the third
The periphery in hole.
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 component connection as described above.
According to a third aspect of the embodiments of the present invention, a kind of pipe joint component is provided, including interconnected first connects
Fitting and the second connector, the sealing element being arranged between the first connector and the second connector are set on first connector
There is the groove for accommodating the sealing element;The pipe joint component further includes connector, and the connector is equipped with protrusion, and described first connects
After fitting is connect in place with the second connector, the convex portion accommodates or is all contained in the groove and compresses described close
Sealing.
Further, the section configuration of the protrusion is consistent with the section configuration of the groove.
By above technical scheme as it can be seen that groove is arranged on the first connector, setting is raised in the second connector
Connector makes the protrusion on the connector push sealing element entrance by the way that first connector and the second connector are directly spirally connected
In the groove, sealing element is immobilizated in groove to reach close using the power that is spirally connected of first connector and the second connector
Seal effect;In addition, realizing using metal gasket and/or Graphite pad as sealing element and guaranteeing sealing under high temperature and high pressure condition
The purpose of property.
Detailed description of the invention
Fig. 1 is the perspective cross-sectional schematic diagram of one exemplary embodiment pipe joint component of the application;
Fig. 2 is the perspective cross-sectional schematic diagram of the application another exemplary embodiment pipe joint component;
Fig. 3 is the assembling schematic cross-sectional view of one exemplary embodiment pipe joint component of the application;
Fig. 4 is the connector and the second connector assembling schematic diagram of one exemplary embodiment pipe joint component of the application.
Detailed description of the invention
Pipe joint component 100
First connector 1
10 spiro union portion 11 first of head takes over hole 12
110 groove of screw thread, 112 first groove, 113 second groove 114
Second connector 2
Accommodating chamber 20
201 second chamber of first chamber, 202 screw thread 203
Second adapter tube hole 22
Connector 3
Raised 310 second protrusions 311 of 30 protrusion of main part 31 first
Third takes over hole 32
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 stereoscopic schematic diagram of one exemplary embodiment pipe joint component of the application.The pipe joint component can answer
For various heat pump systems, it is suitable for the various fields such as air-conditioning, automobile.
It please refers to shown in Fig. 1, a kind of pipe joint component 100 that can keep good seal performance under high temperature and pressure.Packet
The sealing for including the first connector 1 interconnected and the second connector 2, being arranged between the first connector 1 and the second connector 2
Part 4, first connector 1 are equipped with the groove 112 for accommodating the sealing element 4;The pipe joint component further includes connector
3, the connector 3 is equipped with protrusion 31, after first connector 1 is connect in place with second connector 2, described raised 31
Divide receiving or is all contained in the groove 112 and compresses the sealing element 4.
Referring to figure 2. and shown in Fig. 3, in one embodiment, the pipe joint component 100, including the first connector 1,
Second connector 2, connector 3 and sealing element 4.First connector 1 at least partly outer surface is equipped with screw thread 110, and described the
Two connectors 2 are provided with an accommodating chamber 20.20 inner surface of accommodating chamber is equipped with screw thread compatible with first connector 1
203, the connector 3 is equipped with protrusion 31 and is contained in the accommodating chamber 20, and first connector 1 is equipped with described in receiving
The groove 112 of sealing element.Really, the connector 3 can be individual components with second connector 2 and be also possible to be integrally formed
Structure.
As shown in Fig. 2, in one embodiment, the accommodating chamber 20 of second connector 2 includes setting threaded first chamber
Room 201 and non-threaded second chamber 202.First connector 1 includes head 10 and spiro union portion 11, and the screw thread 110 is set
It is placed on the outer surface of the spiro union portion 11, the groove 112 is set to the end of the spiro union portion 11.Specifically, described recessed
The end face of slot 112 from the spiro union portion is formed along axial depression.
The spiro union portion 11 of first connector 1 is bolted in the first chamber of second connector 2, when described first
After connector 1 and the second connector 2 are spirally connected in place, described raised 31 are partly or entirely contained in the groove 112 and compress
The sealing element 4 realizes sealing, and the head of first connector is butted on second connector.In the exemplary reality of the application
It applies in example, the sealing of the pipe joint component is spirally connected by the first connector with the second connector, and to be compressed to sealing element recessed
Slot can be realized.
As shown in Figures 2 to 4, the connector 3 includes main part 30 and the protrusion 31 extended to form from the main part 30,
The main part 30 is contained in the second chamber 202, and described raised 31 extend into the first chamber 201.It can fill in this way
When point being spirally connected using the first connector 1 and the second connector 2, raised 31 push sealing element 4 to the greatest extent, can be sufficient
Realization in groove 112 is installed to be fully sealed.
First connector 1, which is equipped with, takes over hole 12 axially through the first of its center, on second connector 2
Equipped with the second adapter tube hole 22, the connector 3 is equipped with the be connected to the first adapter tube hole 12 and second adapter tube hole 22
Three adapter tube holes 32.
Center of the third adapter tube hole 32 axially through the connector.First adapter tube hole 12 is located at head 10
Aperture D1Greater than the aperture D for being located at spiro union portion 112, the aperture D in second adapter tube hole 223It is close with third adapter tube hole 32
Described raised 31 aperture D4It is substantially the same, the aperture D in second adapter tube hole 223With aperture D1It is substantially the same, the third connects
Pore 32 and second adapter tube hole 22 be connected to each other the pore size at place also with aperture D1It is substantially the same.First connector
1 can be the thread head with adapter tube hole, and second connector 2 can be the nut with adapter tube hole.In an embodiment
In, as shown in figure 3, first adapter tube hole 12, the second adapter tube hole 22 and third adapter tube hole 32 are coaxial.
The groove 112 is located on the periphery in first adapter tube hole 12, and described raised 31 are located on the third adapter tube
The periphery in hole 32.
Really, in order to realize better seal effect, sealing element can be set two.In another embodiment, described recessed
Slot 112 includes being set to the first groove 113 and the second groove 114 of first connector end, described raised 31 include with
First groove, 113 corresponding first protrusion 310 and second protrusion 311 corresponding with second groove 114.
The sealing element 4 includes first seal 41 and second seal 42.The first seal 41 is contained in described
It is compressed in first groove 113 and by first protrusion 310, the second seal 42 is contained in second groove 114
And it is compressed by second protrusion 311.By first protrusion 310 and second raised 311 pairs of first seals 41 and
Second seal 42 compresses, to guarantee the reliability of joint sealing.
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.
Raised 31 section configuration and the section configuration of the groove 112 are unanimous on the whole.The two, which has, to be substantially the same
Section configuration can ensure that the sealing element 4 is compressed and be contained in the groove 112 after, described raised 31 can provide stable support
Pressure, it is ensured that the sealing element 4 will not influence the reliability of sealing because of described raised 31 shaking or displacement.
The sum of thickness of raised 31 height and the sealing element 4 is substantially equivalent to the depth of the groove 112.Work as
When the sealing element uses double sealing structure, the sum of height of the thickness of the first seal 41 and the first protrusion 310 is substantially
Equal to the depth of the first groove 113 of both receivings, the sum of the height of the thickness of the second seal 42 and the second protrusion 311
The substantially equivalent to depth of second groove 114 of both receivings.The depth of first groove 113 and second groove 114 can
It can also be different with identical.The application is not specially limited this.As long as meeting spiro union portion 11 and the institute of first connector 1
The main body end surface for stating connector realizes seamless interfacing.
It is a kind of under the operating condition of high temperature and pressure, keep the heat pump system of good seal performance.The heat pump system includes temperature
Several pipelines of equipment and the connection temperature control device are controlled, the pipeline is connected by pipe joint component 100 as described above.
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 (11)
1. a kind of pipe joint component, which is characterized in that including the first connector (1), the second connector (2), connector (3) and close
Sealing (4), first connector (1) at least partly outer surface are equipped with screw thread (110), the second connector (2) setting
Have an accommodating chamber (20), the receiving inner cavity surface is equipped with screw thread (203) compatible with first connector, the connector
It is equipped with raised (31) and is contained in the accommodating chamber, first connector is equipped with the groove for accommodating the sealing element
(112), after first connector and the second connector are spirally connected in place, the protrusion (31) is partly or entirely contained in described recessed
It in slot and compresses the sealing element (4), the sealing element is metal gasket or Graphite pad.
2. pipe joint component according to claim 1, which is characterized in that first connector include head (10) and
Spiro union portion (11), the screw thread (110) are set on the outer surface of the spiro union portion (11), and the groove (112) is set to institute
State the end of spiro union portion.
3. pipe joint component according to claim 1, which is characterized in that the groove (112) is described including being set to
The first groove (113) and the second groove (114) of first connector end, the protrusion (31) include and the first groove phase
Corresponding first raised (310) and second raised (311) corresponding with second groove.
4. pipe joint component according to claim 3, 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 (113) and by first protrusions
(310) it compresses, the second seal (42) is contained in (114) in second groove and is supported by described second raised (311)
Pressure.
5. pipe joint component according to claim 1, which is characterized in that the accommodating chamber (20) is threaded including setting
First chamber (201) and non-threaded second chamber (202), the connector (3) include main part (30) and from the main part
The protrusion (31) of axially extending formation, the main part are contained in the second chamber (202), and the protrusion extends into described
One chamber (201).
6. pipe joint component according to claim 1, which is characterized in that it is described protrusion (31) section configuration with it is described
The section configuration of groove (112) is consistent.
7. pipe joint component according to any one of claims 1 to 6, which is characterized in that on first connector (1)
Hole (12) are taken over equipped with first axially through its center, second connector (2) is equipped with the second adapter tube hole (22), institute
It states connector (3) and is equipped with third adapter tube hole (32) being connected to the first adapter tube hole and second adapter tube hole.
8. pipe joint component according to claim 7, which is characterized in that the groove (112) is located on described first
The periphery of hole (12) is taken over, the protrusion (31) is located on the periphery of third adapter tube hole (32).
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 component as claimed in any one of claims 1 to 8.
10. a kind of pipe joint component, which is characterized in that including the first connector (1) interconnected and the second connector
(2), the sealing element (4) between the first connector and the second connector is set, and first connector (1) is equipped with collecting post
State the groove (112) of sealing element;The pipe joint component further includes connector (3), and the connector is equipped with raised (31), and described the
After a connection piece (1) is connect in place with the second connector (2), protrusion (31) partial receipt or whole are contained in the groove
(112) in and the sealing element (4) are compressed.
11. pipe joint component according to claim 10, which is characterized in that the section configuration of the protrusion (31) and institute
The section configuration for stating groove (112) is consistent.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710773297.9A CN109424803A (en) | 2017-08-31 | 2017-08-31 | Pipe joint component and heat pump system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710773297.9A CN109424803A (en) | 2017-08-31 | 2017-08-31 | Pipe joint component and heat pump system |
Publications (1)
Publication Number | Publication Date |
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CN109424803A true CN109424803A (en) | 2019-03-05 |
Family
ID=65505502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201710773297.9A Pending CN109424803A (en) | 2017-08-31 | 2017-08-31 | Pipe joint component and heat pump system |
Country Status (1)
Country | Link |
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CN (1) | CN109424803A (en) |
Cited By (2)
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 |
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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 |
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