CN1455102A - Pipe assembly of closed compressor - Google Patents
Pipe assembly of closed compressor Download PDFInfo
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- CN1455102A CN1455102A CN 02117036 CN02117036A CN1455102A CN 1455102 A CN1455102 A CN 1455102A CN 02117036 CN02117036 CN 02117036 CN 02117036 A CN02117036 A CN 02117036A CN 1455102 A CN1455102 A CN 1455102A
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- pipe
- tube
- welded
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- seal container
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Abstract
The tube component of closed compressor comprises a welded tube which is mounted in the upper through hole of the closed container and has a through hole in its interior, an internal tube which is passed through the through hole of the welded tube, and is extended into interior of the closed container and is made up by adopting material identical to the welded tube material; and an external tube which is equipped with the inserted internal tube in its front end, and is made of copper material and is welded with the described welded tube. Besides, the interior of the external tube is equipped with limiting projection capable of preventing the internal tube from further inserting into its front end. Said structure can prevent working liquor from producing leakage, can raise strength of external tube and raise the reliability of compressor.
Description
Technical field
The present invention relates to a kind of closed compressor, particularly relate to a kind of pipe assembly that passes seal container and can transmit the closed compressor of working fluid.
Background technique
Fig. 1 is the conventional seals formula compressor inner structure sectional view of prior art.As shown in Figure 1, seal container 1 is made of upper container 1t and bottom container 1b, and its inside is provided with framework 2.Be fixed with stator 3 on the framework 2, and be supported on the inside of seal container 1 by spring 2S.Bent axle 5 connects the central authorities that are arranged on framework 2, which is provided with rotor 4, and together rotates with rotor 4 by the electromagnetic action between rotor 4 and the stator 3.The upper end of bent axle 5 is provided with eccentric shaft 5b, and it departs from the rotating center setting of bent axle 5.Eccentric shaft 5b opposite direction is provided with equilibrium block 5c.The underpart of bent axle 5 is provided with oily propulsion device 5d, and it can upwards suck lubricant oil L along the oil circuit 5a in the bent axle 5.Framework 2 is provided with the cylinder 6 with its formation one, and cylinder 6 inside are provided with pressing chamber 6 '.Be provided with piston 7 in the pressing chamber 6 ', piston 7 can be connected with the eccentric shaft 5b of bent axle 5 by connecting rod 8.The front end of cylinder 6 is provided with valve member 9.The inflow and the discharge of medium are equipped with loam cake 10 in the valve member 9 may command pressing chambers 6 ' on it.Suction pipe 12 can be sent to medium the inside of seal container 1, and discharge tube 13 then can be discharged the medium after the compression to the outside of compressor.Suction pipe 12 and discharge tube 13 pass seal container 1.
Fig. 2 is for passing the pipe assembly sectional view of seal container in the closed compressor of prior art.As shown in Figure 2, for suction pipe 12 or discharge tube 13 are passed seal container 1, need to use welded pipe 15.Welded pipe 15 is installed on the through hole 1 ' of being located at seal container 1.Welded pipe 15 is roughly cylindrical shape, and its inside is provided with the through hole 16 that is used to place suction pipe 12 or discharge tube 13.The internal diameter of through hole 16 is more bigger than the external diameter of suction pipe 12 and discharge tube 13, promptly forms certain slit between them, and its effect is the copper welding compound to be melted flow into inside, slit afterwards and fix suction pipe 12 and discharge tube 13.The ingress of through hole 16 is provided with welding compound groove 17, can put into copper welding compound 18 in it.After in the through hole 16 that suction pipe 12 or discharge tube 13 is inserted into welded pipe 15, again welded pipe 15 is inserted in the through hole 1 ' that is located on the seal container 1, utilize the method for multiple projection welding that welded pipe 15 is fixed on the seal container 1 at last.And be that suction pipe 12 or discharge tube 13 are fixed in the welded pipe 15, put into copper welding compound 18 in the welding compound groove 17 in welded pipe 15 and carry out hard solder.Copper welding compound 18 after the fusing can flow into and this gap sealing is lived to the inside of seal container 1 along the slit between through hole 16 and suction pipe 12 or the discharge tube 13.But the pipe assembly of the closed compressor of this prior art has following shortcoming, is to make suction pipe 12 and discharge tube 13 can be used for the miscellaneous part of heat exchange on the compressor, and suction pipe 12 and discharge tube 13 all must adopt copper pipe.But when carrying out hard solder, the temperature of copper welding compound can be higher than its recrystallization temperature, will cause the tissue of suction pipe 12 or discharge tube 13 to produce distortion and cause it coarse softening like this, the intensity of suction pipe 12 or discharge tube 13 will weaken relatively as a result, thereby is easy to be damaged under the effect of external force.What welded pipe 15 was adopted in addition is iron material, in the hard solder weld part cooling procedure of iron and copper, the crack takes place in this weld part easily, this be owing to the different rate of cooling that cause of the thermal expansion coefficient of iron and copper inequality due to, just be easy to take place leakage problem by this crack like this.In addition, after suction pipe 12 or discharge tube 13 are arranged on the seal container 1, need carry out the bending of direction shown in arrow among Fig. 2 according to design, this weld part is easy to produce the crack in the bending process, solution to this problem is to come Alloy instead of Copper welding compound 18 with silver, but cost is raise.
Summary of the invention
In order to address the above problem, the object of the present invention is to provide and a kind ofly can improve the pipe assembly intensity that is arranged on the seal container relatively, and can prevent to transmit the pipe assembly of working fluid and compressor and on every side the weld part of parts produce the pipe assembly of the closed compressor in crack.
In order to achieve the above object, the pipe assembly of closed compressor provided by the invention comprises: be installed on the seal container in the through hole, and the inner welded pipe that is provided with through hole; Run through the through hole of welded pipe and extend to the inside of seal container, and the interior pipe of employing and the identical material of welded pipe; And front end is inserted with interior pipe, the outer tube that adopts copper material and weld with welded pipe.
Described outer tube front end is provided with the inwardly outstanding restriction projection of inserting length with pipe in limiting.
Because welded pipe adopts identical material to make with interior pipe in the pipe assembly of closed compressor provided by the invention, can make the weld part between welded pipe and the interior pipe firm relatively like this, therefore can prevent the working liquid body leakage phenomenon; In addition, because the front end of outer tube is inserted with the interior pipe of given length, thereby can improve the intensity of outer tube.In addition, because the inside of outer tube is provided with the restriction projection, the further insertion of pipe also promptly can accurately be controlled the interior length of tube of giving prominence in seal container inside in it can prevent, so just can improve the reliability of compressor.
Description of drawings
Be elaborated below in conjunction with the pipe assembly of the drawings and specific embodiments to closed compressor of the present invention.
Fig. 1 is the conventional seals formula compressor inner structure sectional view of prior art.
Fig. 2 is for passing the pipe assembly sectional view of seal container in the closed compressor of prior art.
Fig. 3 is the pipe modular construction sectional view of closed compressor of the present invention.
Embodiment
As shown in Figure 3, the inside of seal container 1 has confined space, is provided with the parts that constitute compressor in the confined space.Seal container 1 is provided with the pipe assembly, and the pipe assembly is used for transmitting working fluid to inside or from the inside of compressor to the outside from the outside of compressor.Seal container 1 is provided with through hole 1 ' for this reason.The pipe assembly mainly is made of welded pipe 15, interior pipe 40 and outer tube 50.Iron forming adopted in welded pipe 15 usually, and is welded in the through hole 1 ' of seal container 1.The shape of welded pipe 15 is corresponding with the shape of through hole 1 ', and has particular length, it typically is cylindrical shape.Through hole 16 connects and is arranged on the central authorities that state welded pipe 15.Interior pipe 40 can pass through hole 16.The internal diameter of through hole 16 is bigger a little than the external diameter of interior pipe 40, makes and leaves certain slit between them.The ingress of through hole 16 is provided with welding compound groove 17, and welding compound groove 17 can be used for placing welding compound 18.Welding compound groove 17 is around the interruption-forming of going into of through hole 16.Interior pipe 40 connects welded pipes 15 and gives prominence to certain-length to the inside of seal container 1.Interior pipe 40 is identical with the material that welded pipe 15 is adopted.Can will connect welded pipe 15 and be connected with outer tube 50 to seal container 1 outstanding interior pipe 40.Pipe is inserted in the inside of outer tube in preferably being dimensioned to of outer tube can being made.Outer tube 50 preferably adopt be connected compressor on the identical material of miscellaneous part, adopt copper usually.Outer tube 50 is provided with restriction projection 52 outstanding in pipe.Pipe 40 was to the outstanding degree in the outside of seal container 1 in restriction projection 52 can be used for limiting.The position of restriction projection 52 should be positioned at welding compound groove 17 with the front end of outer tube 50 and be advisable.After welded pipe 15 being inserted in the through hole of offering on the seal container 11 ', the mode of available multiple projection welding is fixed on welded pipe 15 on the seal container 1.Then interior pipe 40 is inserted in the through hole 16 in the welded pipe 15, and the front end that makes interior pipe 40 is positioned at the inside of seal container 1, the other end of interior pipe 40 then is inserted in the outer tube 50, and till restriction projection 52 places that withstand on outer tube 50, pipe 40 inserts the process of outer tube 50 at this moment just can finishing.End at interior pipe 40 withstands under restriction projection 52 states of outer tube 50, and the front end of outer tube 50 should be positioned at welding compound groove 17.At this moment can in welding compound groove 17, put into copper welding compound 18 and carry out hard solder, will flow to after copper welding compound 18 melts in welding compound groove 17 in the slit between through hole 16 inner faces and the interior pipe 40, just can finish the connection between welded pipe 15 and the interior pipe 40 after the cooling.Copper welding compound 18 also can be fixed on outer tube 50 in the welded pipe 15 simultaneously.When adopting the internal pipe 40 of copper welding compound to carry out hard solder,, in copper welding compound cooling procedure, can not produce the crack because the material that interior pipe 40 and welded pipe 15 are adopted is identical with welded pipe 15.Can not occur between pipe 40 and the welded pipe 15 in so just can guaranteeing revealing.And outer tube 50 is when adopting the copper welding compounds to carry out hard solder with welded pipe 15, although their material difference, be both thermal expansion coefficient differences, though slight crack to a certain degree can take place in the cooling procedure of copper welding compound 18, and seal container 1 leakage between inside and outside it doesn't matter.In addition,,, this part is inserted with in, manage 40 end, so just can fully improve its intensity though the heat that produces during welding can make its Organizational Structure become fragile because outer tube 50 adopts copper materials.Finish on the seal container 1 the pipe assembly work is set after, can be connected with miscellaneous part then according to the design needs with 50 bendings of interior pipe 40 or outer tube.
Claims (2)
1, a kind of pipe assembly of closed compressor is characterized in that: the pipe assembly of described closed compressor comprises: be installed in seal container (1) and go up in the through hole (1 '), and inside is provided with the welded pipe (15) of through hole (16); Run through the through hole (16) of welded pipe (15) and extend to the inside of seal container (1), and the interior pipe (40) of employing and the identical material of welded pipe (15); And front end is inserted with interior pipe (40), the outer tube (50) that adopts copper material and weld with welded pipe (40).
2, the pipe assembly of closed compressor according to claim 1 is characterized in that: described outer tube (50) front end is provided with inwardly outstanding to limit the restriction projection (52) that interior pipe (40) inserts length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02117036 CN1455102A (en) | 2002-04-29 | 2002-04-29 | Pipe assembly of closed compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02117036 CN1455102A (en) | 2002-04-29 | 2002-04-29 | Pipe assembly of closed compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1455102A true CN1455102A (en) | 2003-11-12 |
Family
ID=29257124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02117036 Pending CN1455102A (en) | 2002-04-29 | 2002-04-29 | Pipe assembly of closed compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1455102A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094791A (en) * | 2011-03-04 | 2011-06-15 | 梁嘉麟 | Structural form of air pump device avoiding gas molecule leakage during operation |
| CN102094790A (en) * | 2011-03-04 | 2011-06-15 | 梁嘉麟 | Air pump structure form without gas molecule leakage in operation |
| CN102192130A (en) * | 2011-03-21 | 2011-09-21 | 梁嘉麟 | Method for improving air pump structure capable of preventing leaking gas molecules in operation |
| CN102192131A (en) * | 2011-03-21 | 2011-09-21 | 梁嘉麟 | Method for improving gas pump capable of stopping gas molecule leakage in operation |
| CN102654120A (en) * | 2011-03-04 | 2012-09-05 | 梁嘉麟 | Simple type air pump structure capable of avoiding leaking gas in operation process |
| CN102654122A (en) * | 2011-03-04 | 2012-09-05 | 梁嘉麟 | Improved scheme of air pump structure capable of reducing or avoiding air leakage in operation process |
| CN102654296A (en) * | 2011-03-04 | 2012-09-05 | 梁嘉麟 | Water-free energy transmission type ultra-high-rise building heating air conditioning system and gas pressurizing and distributing device adopted by same |
| CN102691641A (en) * | 2011-03-21 | 2012-09-26 | 梁嘉麟 | Improved scheme capable of reducing or eliminating air leakage in operation for structure of aim pump |
| CN102691642A (en) * | 2011-03-21 | 2012-09-26 | 梁嘉麟 | Improved scheme capable of reducing or eliminating air leakage in operation for structure of aim pump |
| CN106286341A (en) * | 2011-03-04 | 2017-01-04 | 梁嘉麟 | The air pump device improvement project of gas leakage can be stopped during operation |
-
2002
- 2002-04-29 CN CN 02117036 patent/CN1455102A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094790B (en) * | 2011-03-04 | 2013-02-27 | 中国计量学院 | Air pump structure form without gas molecule leakage in operation |
| CN102094790A (en) * | 2011-03-04 | 2011-06-15 | 梁嘉麟 | Air pump structure form without gas molecule leakage in operation |
| CN106286341A (en) * | 2011-03-04 | 2017-01-04 | 梁嘉麟 | The air pump device improvement project of gas leakage can be stopped during operation |
| CN102654122B (en) * | 2011-03-04 | 2016-04-06 | 中国计量学院 | The air pump structure device of gas leakage when can reduce or stop to run |
| CN102654120A (en) * | 2011-03-04 | 2012-09-05 | 梁嘉麟 | Simple type air pump structure capable of avoiding leaking gas in operation process |
| CN102654122A (en) * | 2011-03-04 | 2012-09-05 | 梁嘉麟 | Improved scheme of air pump structure capable of reducing or avoiding air leakage in operation process |
| CN102654296A (en) * | 2011-03-04 | 2012-09-05 | 梁嘉麟 | Water-free energy transmission type ultra-high-rise building heating air conditioning system and gas pressurizing and distributing device adopted by same |
| CN102654120B (en) * | 2011-03-04 | 2016-03-09 | 中国计量学院 | The simple type air pump structure of gas leakage when can stop to run |
| CN102094791A (en) * | 2011-03-04 | 2011-06-15 | 梁嘉麟 | Structural form of air pump device avoiding gas molecule leakage during operation |
| CN102094791B (en) * | 2011-03-04 | 2013-01-30 | 梁嘉麟 | Structural form of air pump device avoiding gas molecule leakage during operation |
| CN102691642A (en) * | 2011-03-21 | 2012-09-26 | 梁嘉麟 | Improved scheme capable of reducing or eliminating air leakage in operation for structure of aim pump |
| CN102691641A (en) * | 2011-03-21 | 2012-09-26 | 梁嘉麟 | Improved scheme capable of reducing or eliminating air leakage in operation for structure of aim pump |
| CN102691642B (en) * | 2011-03-21 | 2016-03-23 | 中国计量学院 | Can reduce or stop the motor stator detachable air pump device leaked gas during operation |
| CN102192131A (en) * | 2011-03-21 | 2011-09-21 | 梁嘉麟 | Method for improving gas pump capable of stopping gas molecule leakage in operation |
| CN102691641B (en) * | 2011-03-21 | 2016-05-04 | 中国计量学院 | When operation, can reduce or stop the detachable air pump structure of motor stator of gas leakage |
| CN102192130A (en) * | 2011-03-21 | 2011-09-21 | 梁嘉麟 | Method for improving air pump structure capable of preventing leaking gas molecules in operation |
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