CN103672224A - Pipeline connection assembly and air conditioner with same - Google Patents
Pipeline connection assembly and air conditioner with same Download PDFInfo
- Publication number
- CN103672224A CN103672224A CN201210364667.0A CN201210364667A CN103672224A CN 103672224 A CN103672224 A CN 103672224A CN 201210364667 A CN201210364667 A CN 201210364667A CN 103672224 A CN103672224 A CN 103672224A
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- Prior art keywords
- pipe joint
- section
- pipeline connection
- segment
- connecting tube
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
- F16L19/0212—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/26—Refrigerant piping
- F24F1/32—Refrigerant piping for connecting the separate outdoor units to indoor units
Abstract
The invention provides a pipeline connection assembly and an air conditioner with the same. The pipeline connection assembly comprises a connection pipe nut, a first pipe joint and a second pipe joint, wherein the connection pipe nut comprises a first internal thread section located at the first end, a second internal thread section located at the second end, and a cylindrical outer surface, and a first connected pipe fitting is installed on the connection pipe nut; the first pipe joint comprises a force application section and a first external thread section, the first external thread section is matched with the first internal thread section, and a second connected pipe fitting is installed on the first pipe joint; the second pipe joint is arranged on the first connected pipe fitting in a sleeved mode and comprises a pipe joint body and an auxiliary nut, and the first pipe joint is provided with a first axial through hole enabling the first connected pipe fitting to be communicated with the second connected pipe fitting. According to the pipeline connection assembly, demounting prevention of connection pipes can be truly achieved, the problem that refrigerants are leaked due to disassembling of existing pipelines after being connected is solved, and pipeline connection can be more compact; after-scale installation and maintenance cost is reduced, and the use range of flammable refrigerants is enlarged.
Description
Technical field
The present invention relates to air-conditioning technical field, in particular to a kind of pipeline connection part and there is its air conditioner.
Background technique
The detachable air conditioner indoor side of current common working medium is all used the mode of pipe joint and union nut to be connected evaporator joint pipe and outdoor unit connecting tube.The outer surface of existing union nut is prismatic surface, there is application of force tangent plane, pipe joint is generally integral type pipe joint, mainly by thread section and prismatic surface section two-part, formed, when prismatic surface section is applied to clockwise moment, thread section rotates together with prismatic surface section, can closely cooperate with union nut; But, when when prismatic surface section applies anticlockwise moment, drive also thread section to rotate together simultaneously, therefore can unclamp with coordinating of union nut, thereby have dismountable possibility.
In EN60335-2-40 standard, require to use the air conditioner chamber inner side of combustible refrigerant not allow to reuse detachable connector, this is because being connected between pipe joint and union nut gets loose, and can cause coolant leakage and then cause the generation of security incident.
In order to solve the non-compliant problem of demountable tube joint, available technology adopting adopt the mode of welding to connect between evaporator joint pipe and outdoor unit connecting tube.Although welding connecting mode meets standard, be welded to connect and make the attended operation of vaporizer and connecting tube complicated, and be welded to connect and can bring certain trouble to follow-up maintenance.
Summary of the invention
The present invention aims to provide a kind of pipeline connection part of Anti-dismantling and has its air conditioner.
To achieve these goals, according to an aspect of the present invention, a kind of pipeline connection part is provided, comprise: union nut, comprise the first internal thread segment that is positioned at first end and the second internal thread segment that is positioned at the second end, and union nut has cylindrical outer surface, the first connecting tube is arranged on union nut; The first pipe joint, comprises application of force section and the first external thread section, and the first external thread section matches with the first internal thread segment, and the second connecting tube is arranged on the first pipe joint; The second pipe joint, be set on the first connecting tube, the second pipe joint comprises pipe joint body and auxiliary nut, wherein, pipe joint body comprises at the first paragraph of first end with at second segment and the intermediate section between first paragraph and second segment of the second end, first paragraph is the second external thread section, the second external thread section matches with the second internal thread segment, intermediate section has the radial dimension that cylindrical outer surface and its radial dimension are greater than second segment, and intermediate section on the end face of second segment, form driven tooth; Auxiliary nut is set on second segment, auxiliary nut is provided with towards the end face of intermediate section the application of force tooth that coordinates with driven tooth and rotate for driving tube joint body, auxiliary nut has application of force surface, wherein, the first pipe joint has the first axial hole that the first connecting tube and the second connecting tube are communicated with, and second segment is provided with the limited part for spacing auxiliary nut.
Further, the middle part of union nut has the blocked part radially extending internally, blocked part is between the first internal thread segment and the second internal thread segment, blocked part is formed with conical surface shape groove on the end face of the first pipe joint, the shape of the end of the first external thread section of the first pipe joint and the shape of conical surface shape groove are suitable, and the end clips of the first connecting tube is located between conical surface shape groove and the end of the first external thread section.
Further, between the second external thread section and the first connecting tube, be provided with the first Sealing, one end towards blocked part of the first Sealing and blocked part butt, be provided with the second Sealing between the first pipe joint and union nut.
Further, pipe joint body has the second axial hole that wears the first connecting tube, the second axial hole comprises the first hole section and the second hole section setting gradually along first end to the second end of pipe joint body, the first hole section is conical surface shape, the first hole section expands gradually from inside to outside ground and stretches out and backstop the first Sealing, and the circumferential exterior surface of the first Sealing and the first hole section are suitable.
Further, the second axial hole also comprises the 3rd hole section between the first hole section and the second hole section, and the aperture of the 3rd hole section is greater than the aperture of the second hole section.
Further, blocked part towards the end face of the second end of union nut be provided with towards the first Sealing and with the lug boss of the first Sealing butt.
Further, in the form of a ring, lug boss is bulge loop in blocked part.
Further, the first pipe joint is provided with and holds annular groove, and the second Sealing is folded in and holds between annular groove and union nut, holds annular groove between application of force section and the first external thread section.
Further, the second Sealing is annular seal ring.
Further, the second segment of pipe joint body is the 3rd external thread section, and the outside thread of the 3rd external thread section forms limited part, and auxiliary nut has the threaded interior hole coordinating with the 3rd external thread section.
Further, limited part comprises: limited ring groove, is arranged on the second segment of pipe joint body; Sealing shield ring, is removably disposed in limited ring groove, and Sealing shield ring has the breach for dismantling; Spring, its first end is supported on the end face of auxiliary nut, and the second end of spring is limited to Sealing shield ring.
Further, limited part comprises: stop lug, is arranged on the second segment of pipe joint body; Spring, its first end is supported on the end face of auxiliary nut, and the second end of spring is limited to stop lug.
According to a further aspect in the invention, provide a kind of air conditioner, comprised heat exchanger and the outdoor unit connecting tube being connected with the connecting tube of heat exchanger, the connecting tube of heat exchanger is connected by above-mentioned pipeline connection part with outdoor unit connecting tube.
Apply technological scheme of the present invention, when pipeline connection part is installed, first the first connecting tube (being outdoor unit connecting tube) is located in union nut, the second connecting tube (being evaporator joint pipe) welds together with the second connecting tube.During connection, utilize two spanners to assemble.Particularly, first with hand, the first external thread section of the first pipe joint is screwed to certain distance in the first internal thread segment, the pipe joint body of the second pipe joint is also screwed to certain distance in the second internal thread segment.Re-use a spanner and clamp the application of force section of the first pipe joint, when another spanner is used for applying clockwise moment to auxiliary nut, coordinating of the driven tooth of its application of force tooth and pipe joint body, two part energy synchronous rotaries of pipe joint body and auxiliary nut independently, and then driving tube joint body rotates screw-in to the first internal thread segment, in this process, the first external thread section of the first pipe joint also screws in to the first internal thread segment simultaneously, thereby has completed the connection between the first connecting tube and the second connecting tube.After installation, the limited part on the second segment of pipe joint body can make auxiliary nut be retained on pipe joint body, abnormal sound while avoiding vibrating.
But when when auxiliary nut applies anticlockwise moment, auxiliary nut cannot apply moment of torsion to pipe joint body, guaranteed closely cooperating between pipe joint body and union nut, simultaneously, because union nut has cylindrical outer surface, therefore also cannot clamp it the first pipe joint is dismantled, like this, really play the effect of Anti-dismantling.The adapter that pipeline connection part of the present invention can really be realized Anti-dismantling connects, and improves the secondary refrigerant leakage problem causing after being disassembled after existing pipeline connects, and pipeline is connected tightr; And reduce I&M cost after sale, expand the using scope of combustible refrigerant.
Accompanying drawing explanation
The Figure of description that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows according to the embodiment's one of pipeline connection part of the present invention cross-sectional schematic;
Fig. 2 shows the A place enlarged diagram of the pipeline connection part of Fig. 1;
Fig. 3 shows the decomposition texture schematic diagram of the pipeline connection part of Fig. 1;
Fig. 4 shows the perspective view of pipe joint body of the pipeline connection part of Fig. 1;
Fig. 5 shows the perspective view of another angle of the pipe joint body of Fig. 4;
Fig. 6 shows the perspective view of auxiliary nut of the pipeline connection part of Fig. 1;
Fig. 7 shows the perspective view of the first pipe joint of the pipeline connection part of Fig. 1;
Fig. 8 shows the cross-sectional schematic of union nut of the pipeline connection part of Fig. 1;
Fig. 9 shows according to the embodiment's two of pipeline connection part of the present invention cross-sectional schematic;
The master of pipe joint body that Figure 10 shows the pipeline connection part of Fig. 9 looks schematic diagram;
Figure 11 shows the perspective view of Sealing shield ring of the pipeline connection part of Fig. 9;
Figure 12 shows according to the embodiment's three of pipeline connection part of the present invention cross-sectional schematic; And
The master of pipe joint body that Figure 13 shows the pipeline connection part of Figure 12 looks schematic diagram.
Embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
As shown in Figures 1 to 8, embodiment one pipeline connection part comprises: union nut 10, the first pipe joint 20 and the second pipe joint 30.Union nut 10 comprises the first internal thread segment 11 that is positioned at first end and the second internal thread segment 12 that is positioned at the second end, and union nut 10 has cylindrical outer surface, and the first connecting tube 1 is arranged on union nut 10.The first pipe joint 20 comprises application of force section 21 and the first external thread section 22, and application of force section 21 is preferably prism section, and the first external thread section 22 matches with the first internal thread segment 11, and the second connecting tube 2 is arranged on the first pipe joint 20.The second pipe joint 30, be set on the first connecting tube 1, the second pipe joint 30 comprises: pipe joint body 31 and auxiliary nut 32, wherein, pipe joint body 31 comprises the first paragraph that is positioned at first end and the second segment that is positioned at the second end, and the intermediate section between first paragraph and second segment 313, first paragraph is the second external thread section 311, the second external thread section 311 matches with the second internal thread segment 12, second segment is the 3rd external thread section 312, the outside thread of described the 3rd external thread section 312 is formed for the limited part of spacing auxiliary nut 32, intermediate section 313 has the radial dimension that cylindrical outer surface and its radial dimension are greater than the 3rd external thread section 312, and intermediate section 313 on the end face of the 3rd external thread section 312, form driven tooth 313a, this driven tooth 313a is preferably the first chisel teeth along the circumferential direction extending, auxiliary nut 32 is set on the 3rd external thread section 312, auxiliary nut 32 has the threaded interior hole coordinating with the 3rd external thread section 312, auxiliary nut 32 is provided with towards the end face of intermediate section 313 application of force tooth 321 that coordinates with driven tooth 313a and rotate for driving tube joint body 31, this application of force tooth 321 is preferably the second chisel teeth, auxiliary nut 32 has application of force surface, this application of force surface is preferably prism-shaped, wherein, the first pipe joint 20 has the first axial hole that the first connecting tube 1 and the second connecting tube 2 are communicated with.
When the pipeline connection part of the present embodiment is installed, by the first connecting tube 1(, be first outdoor unit connecting tube) be located in union nut 10, the second connecting tube 2(is evaporator joint pipe) weld together with the second connecting tube 2.During connection, utilize two spanners to assemble.Particularly, first with hand, the first external thread section 22 of the first pipe joint 20 is screwed to the interior certain distance of the first internal thread segment 11, the pipe joint body 31 of the second pipe joint 30 is also screwed to the interior certain distance of the second internal thread segment 12.Re-use a spanner and clamp the application of force section 21 of the first pipe joint 20, when another spanner is used for applying clockwise moment to auxiliary nut 32, the driven tooth 313a of its application of force tooth 321 and pipe joint body 31 coordinates, independently pipe joint body 31 and 32 two part energy synchronous rotaries of auxiliary nut, and then driving tube joint body 31 rotates screw-in to the first internal thread segment 11, in this process, the first external thread section 22 of the first pipe joint 20 also screws in to the first internal thread segment 11 simultaneously, thereby completed the connection between the first connecting tube 1 and the second connecting tube 2.After installation, the 3rd external thread section 312 of pipe joint body 31 can make auxiliary nut 32 be retained on pipe joint body 31, abnormal sound while avoiding vibrating.
As shown in Figure 3 and Figure 4, the thread pitch of the 3rd external thread section 312 is greater than the thread pitch of the second external thread section 311, has strengthened auxiliary nut 32 and has exited stroke, increases lead angle, has reduced self-lock force.
But when when auxiliary nut 32 applies anticlockwise moment, auxiliary nut 32 cannot apply moment of torsion to pipe joint body 31, guaranteed closely cooperating between pipe joint body 31 and union nut 10, simultaneously, because union nut 10 has cylindrical outer surface, therefore also cannot clamp it the first pipe joint 20 is dismantled, like this, really play the effect of Anti-dismantling.The adapter that the pipeline connection part of the present embodiment can really be realized Anti-dismantling connects, and improves the secondary refrigerant leakage problem causing after being disassembled after existing pipeline connects, and pipeline is connected tightr; And reduce I&M cost after sale, expand the using scope of combustible refrigerant.
As shown in Fig. 1 and Fig. 8, the middle part of union nut 10 has the blocked part 13 radially extending internally, blocked part 13 is between the first internal thread segment 11 and the second internal thread segment 12, blocked part 13 is formed with conical surface shape groove 132 on the end face of the first pipe joint 20, the shape of the end of the first external thread section 22 of the first pipe joint 20 and the shape of conical surface shape groove 132 are suitable, and the end clips of the first connecting tube 1 is located between conical surface shape groove 132 and the end of the first external thread section 22.The end of the first connecting tube 1 is bell mouth shape, conical surface shape groove 132 three's conical surfaces of the end of the first pipe joint 20, the first connecting tube 1 and union nut 10 fit tightly and form crush seal face, and this crush seal face has stoped the leakage of refrigerant effectively.
Above-mentioned this sealing surface sealing reliability can be because three's the conical surface be subject to destruction in various degree in part itself or production process, as cut, and impurity etc. and reducing or inefficacy.Can cause like this refrigerant to occur leaking.Reliability for the sealing of enhanced leaktightness refrigerant, between the second external thread section 311 and the first connecting tube 1, be provided with the first Sealing 50,13 one end and blocked part 13 butts towards blocked part of the first Sealing 50, be provided with the second Sealing 60 between the first pipe joint 20 and union nut 10.At pipe joint body 31, coordinate in the process of tightening with union nut 10, can push the first Sealing 50, at the first pipe joint 20 and union nut 10, coordinate in the process of tightening, can push the second Sealing 60.The relatively low flexible seals 50 and 60 of above-mentioned two hardness, having guaranteed can also have second layer sealing layer to play a protective role after conical surface seal lost efficacy in leakage direction.
As shown in Figures 2 to 4, pipe joint body 31 has the second axial hole that wears described the first connecting tube 1, the second axial hole comprises the first hole section 314 and the second hole section 315 setting gradually along first end to the second end of pipe joint body 31, the first hole section 314 is conical surface shape, the first hole section 314 expands that ground stretches out and circumferential exterior surface and the first hole section 314 of backstop the first Sealing 50, the first Sealings 50 are suitable from inside to outside gradually.Easier wedging between the first hole section 314 of conical surface shape and the first Sealing 50 of conical surface shape, guarantees good sealing.The first Sealing 50 is preferably the seal ring that outer surface is the conical surface.
Preferably, the second axial hole also comprises that the aperture of the 3rd hole section 316, the three hole sections 316 between the first hole section 314 and the second hole section 315 is greater than the aperture of the second hole section 315.The first Sealing 50 can partly enter in the 3rd hole section 316 when being squeezed, and is conducive to fitted seal between the two.
As shown in Figure 8, blocked part 13 towards the end face of the second end of union nut 10 be provided with towards the first Sealing 50 and with the lug boss 131 of the first Sealing 50 butts.Lug boss 131 contributes to push tight the first Sealing 50, makes sealing closely.Preferably in the form of a ring, protruding 131 quality awards from the ministry are elected bulge loop as in blocked part 13.
As shown in Figure 3 and Figure 7, the first pipe joint 20 is provided with and holds annular groove 23, the second Sealings 60 and be folded in and hold between annular groove 23 and union nut 10, holds annular groove 23 between application of force section 21 and the first external thread section 22.Hold annular groove 23 and can prevent the second Sealing 60 play vertically.The second Sealing 60 is preferably annular seal ring.
As shown in Figures 9 to 11, embodiment two air conditioner and embodiment's one difference be only the limited part on second segment structure and with auxiliary nut 32 structure with limited part matching part.Particularly, in embodiment two, limited part comprises: limited ring groove 31a, Sealing shield ring 312a and spring 312b.Limited ring groove 31a is arranged on the second segment of pipe joint body 31, Sealing shield ring 312a is removably disposed in limited ring groove 31a, Sealing shield ring 31a has the breach for dismantling, the first end of spring 312b is supported on the end face of auxiliary nut 32, and the second end of spring 312b is limited to Sealing shield ring 312a.The elastic force that spring 312b produces can make the driven tooth 313a of pipe joint body 31 and the application of force tooth 321 of auxiliary nut 32 better coordinate, simultaneously, can also prevent that auxiliary nut 32 from coming off and producing abnormal sound when loosening, auxiliary nut 32 can dally and can not depart from pipe joint body 31 under the effect of spring 312b.The endoporus of auxiliary nut 32 is preferably unthreaded hole.
As shown in Figure 12 to Figure 13, embodiment three air conditioner and embodiment's two structural similarity, both differences are only, in embodiment three, limited part utilizes stop lug 31b to replace limited ring groove 31a and the Sealing shield ring 312a in embodiment two.Particularly, in installation process, after auxiliary nut 32 and spring 312b are in place, punching press forms above-mentioned stop lug 31b again.The first end of spring 312b is supported on the end face of auxiliary nut 32, and the second end of spring 312b is limited to stop lug 31b.The principle of the limited part in embodiment three is identical with embodiment two, does not repeat them here.
The present invention also provides a kind of air conditioner, according to the embodiment of air conditioner of the present invention, comprises heat exchanger and the outdoor unit connecting tube being connected with the connecting tube of heat exchanger, and the connecting tube of heat exchanger is connected by above-mentioned pipeline connection part with outdoor unit connecting tube.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (13)
1. a pipeline connection part, is characterized in that, comprising:
Union nut (10), comprise the first internal thread segment (11) that is positioned at first end and the second internal thread segment (12) that is positioned at the second end, and described union nut (10) has cylindrical outer surface, the first connecting tube (1) is arranged on described union nut (10);
The first pipe joint (20), comprises application of force section (21) and the first external thread section (22), and described the first external thread section (22) matches with described the first internal thread segment (11), and the second connecting tube (2) is arranged on described the first pipe joint (20);
The second pipe joint (30), is set in described the first connecting tube (1) upper, and described the second pipe joint (30) comprises pipe joint body (31) and auxiliary nut (32), wherein,
Described pipe joint body (31) comprises at the first paragraph of first end with at second segment and the intermediate section between described first paragraph and second segment (313) of the second end, described first paragraph is the second external thread section (311), described the second external thread section (311) matches with described the second internal thread segment (12), described intermediate section (313) has the radial dimension that cylindrical outer surface and its radial dimension are greater than described second segment, and described intermediate section (313) on the end face of described second segment, form driven tooth (313a);
Described auxiliary nut (32) is set on described second segment, described auxiliary nut (32) is provided with and coordinates with described driven tooth (313a) and application of force tooth (321) for driving described pipe joint body (31) to rotate towards the end face of described intermediate section (313), described auxiliary nut (32) has application of force surface
Wherein, described the first pipe joint (20) has the first axial hole that described the first connecting tube (1) and the second connecting tube (2) are communicated with, and described second segment is provided with the limited part for spacing described auxiliary nut (32).
2. pipeline connection part according to claim 1, it is characterized in that, the middle part of described union nut (10) has the blocked part (13) radially extending internally, described blocked part (13) is positioned between described the first internal thread segment (11) and the second internal thread segment (12), described blocked part (13) is formed with conical surface shape groove (132) on the end face of described the first pipe joint (20), the shape of the end of first external thread section (22) of described the first pipe joint (20) and the shape of described conical surface shape groove (132) are suitable, the end clips of described the first connecting tube (1) is located between described conical surface shape groove (132) and the end of the first external thread section (22).
3. pipeline connection part according to claim 2, it is characterized in that, between described the second external thread section (311) and described the first connecting tube (1), be provided with the first Sealing (50), one end towards described blocked part (13) of described the first Sealing (50) and described blocked part (13) butt, be provided with the second Sealing (60) between described the first pipe joint (20) and described union nut (10).
4. pipeline connection part according to claim 3, it is characterized in that, described pipe joint body (31) has the second axial hole that wears described the first connecting tube (1), described the second axial hole comprises the first hole section (314) and the second hole section (315) setting gradually along first end to the second end of described pipe joint body (31), described the first hole section (314) is conical surface shape, described the first hole section (314) expand gradually from inside to outside that ground stretches out and backstop described in the first Sealing (50), the circumferential exterior surface of described the first Sealing (50) and described the first hole section (314) are suitable.
5. pipeline connection part according to claim 4, it is characterized in that, described the second axial hole also comprises the 3rd hole section (316) being positioned between described the first hole section (314) and the second hole section (315), and the aperture of described the 3rd hole section (316) is greater than the aperture of described the second hole section (315).
6. pipeline connection part according to claim 3, it is characterized in that, described blocked part (13) towards the end face of the second end of described union nut (10) be provided with towards described the first Sealing (50) and with the lug boss (131) of described the first Sealing (50) butt.
7. pipeline connection part according to claim 6, is characterized in that, described blocked part (13) in the form of a ring, described lug boss (131) is bulge loop.
8. pipeline connection part according to claim 3, it is characterized in that, described the first pipe joint (20) is provided with and holds annular groove (23), described in described the second Sealing (60) is folded in, hold between annular groove (23) and union nut (10), described in hold annular groove (23) and be positioned between described application of force section (21) and the first external thread section (22).
9. pipeline connection part according to claim 3, is characterized in that, described the second Sealing (60) is annular seal ring.
10. pipeline connection part according to claim 1, it is characterized in that, the second segment of described pipe joint body (31) is the 3rd external thread section (312), the outside thread of described the 3rd external thread section (312) forms described limited part, and described auxiliary nut (32) has the threaded interior hole coordinating with described the 3rd external thread section (312).
11. pipeline connection parts according to claim 1, is characterized in that, described limited part comprises:
Limited ring groove (31a), is arranged on the second segment of described pipe joint body (31);
Sealing shield ring (312a), is removably disposed in described limited ring groove (31a), and described Sealing shield ring (312a) has the breach for dismantling;
Spring (312b), its first end is supported on the end face of described auxiliary nut (32), and the second end of described spring (312b) is limited to described Sealing shield ring (312a).
12. pipeline connection parts according to claim 1, is characterized in that, described limited part comprises:
Stop lug (31b), is arranged on the second segment of described pipe joint body (31);
Spring (312b), its first end is supported on the end face of described auxiliary nut (32), and the second end of described spring (312b) is limited to described stop lug (31b).
13. 1 kinds of air conditioners, comprise heat exchanger and the outdoor unit connecting tube being connected with the connecting tube of described heat exchanger, it is characterized in that, the connecting tube of described heat exchanger is connected by the pipeline connection part described in any one in claim 1 to 12 with outdoor unit connecting tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210364667.0A CN103672224B (en) | 2012-09-26 | 2012-09-26 | Pipeline connection part and there is its air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210364667.0A CN103672224B (en) | 2012-09-26 | 2012-09-26 | Pipeline connection part and there is its air conditioner |
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| Publication Number | Publication Date |
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| CN103672224A true CN103672224A (en) | 2014-03-26 |
| CN103672224B CN103672224B (en) | 2016-02-03 |
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| CN201210364667.0A Active CN103672224B (en) | 2012-09-26 | 2012-09-26 | Pipeline connection part and there is its air conditioner |
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| CN105402517A (en) * | 2015-12-18 | 2016-03-16 | Tcl空调器(中山)有限公司 | Air conditioner connecting pipe assembly and air conditioner |
| CN105485396A (en) * | 2015-12-28 | 2016-04-13 | 苏州林信源自动化科技有限公司 | Connector for valve body air chamber |
| CN106287034A (en) * | 2016-08-18 | 2017-01-04 | 海信（山东）空调有限公司 | A kind of anti-disassembling connecting pipe assembly, sealing fastening method and air-conditioner |
| CN106907538A (en) * | 2017-04-06 | 2017-06-30 | 珠海格力电器股份有限公司 | Pipe joint arrangement and motorcar air conditioner |
| CN108006047A (en) * | 2017-11-29 | 2018-05-08 | 海信（山东）空调有限公司 | A kind of union nut, connecting pipe component and air-conditioning |
| CN108036129A (en) * | 2017-12-23 | 2018-05-15 | 北京鼎翰科技有限公司 | A kind of natural gas line conveys suit mechanism |
| CN108496036A (en) * | 2016-01-28 | 2018-09-04 | 福士汽车配套部件责任有限公司 | The hookup that plug type for pipeline, especially plastic piping connects |
| CN109404586A (en) * | 2018-12-31 | 2019-03-01 | 桂林电子科技大学 | A kind of tap with airtight and fluid tight screw thread based on ergonomics improvement |
| CN109424803A (en) * | 2017-08-31 | 2019-03-05 | 杭州三花研究院有限公司 | Pipe joint component and heat pump system |
| WO2021109287A1 (en) * | 2019-12-05 | 2021-06-10 | 宁波慧创新材料科技有限公司 | Joint structure for refrigerant pipe |
| CN113167416A (en) * | 2018-12-20 | 2021-07-23 | 三菱电机株式会社 | Piping joint structure and air conditioner |
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| CN105402517B (en) * | 2015-12-18 | 2017-11-17 | Tcl空调器(中山)有限公司 | Air conditioner connecting pipe component and air conditioner |
| CN105402517A (en) * | 2015-12-18 | 2016-03-16 | Tcl空调器(中山)有限公司 | Air conditioner connecting pipe assembly and air conditioner |
| CN105485396A (en) * | 2015-12-28 | 2016-04-13 | 苏州林信源自动化科技有限公司 | Connector for valve body air chamber |
| CN108496036B (en) * | 2016-01-28 | 2020-09-22 | 福士汽车配套部件责任有限公司 | Coupling for the plug-in connection of pipelines, in particular plastic pipelines |
| CN108496036A (en) * | 2016-01-28 | 2018-09-04 | 福士汽车配套部件责任有限公司 | The hookup that plug type for pipeline, especially plastic piping connects |
| CN106287034B (en) * | 2016-08-18 | 2019-07-16 | 海信（山东）空调有限公司 | A kind of anti-disassembling connecting pipe component, sealing fastening method and air conditioner |
| CN106287034A (en) * | 2016-08-18 | 2017-01-04 | 海信（山东）空调有限公司 | A kind of anti-disassembling connecting pipe assembly, sealing fastening method and air-conditioner |
| CN106907538A (en) * | 2017-04-06 | 2017-06-30 | 珠海格力电器股份有限公司 | Pipe joint arrangement and motorcar air conditioner |
| CN109424803A (en) * | 2017-08-31 | 2019-03-05 | 杭州三花研究院有限公司 | Pipe joint component and heat pump system |
| CN108006047A (en) * | 2017-11-29 | 2018-05-08 | 海信（山东）空调有限公司 | A kind of union nut, connecting pipe component and air-conditioning |
| CN108006047B (en) * | 2017-11-29 | 2020-08-11 | 海信（山东）空调有限公司 | Connecting pipe nut, connecting pipe assembly and air conditioner |
| CN108036129A (en) * | 2017-12-23 | 2018-05-15 | 北京鼎翰科技有限公司 | A kind of natural gas line conveys suit mechanism |
| CN113167416A (en) * | 2018-12-20 | 2021-07-23 | 三菱电机株式会社 | Piping joint structure and air conditioner |
| US11906081B2 (en) | 2018-12-20 | 2024-02-20 | Mitsubishi Electric Corporation | Pipe joint structure and air conditioner |
| CN109404586A (en) * | 2018-12-31 | 2019-03-01 | 桂林电子科技大学 | A kind of tap with airtight and fluid tight screw thread based on ergonomics improvement |
| WO2021109287A1 (en) * | 2019-12-05 | 2021-06-10 | 宁波慧创新材料科技有限公司 | Joint structure for refrigerant pipe |
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