CN101725524A - Sealing device of scroll compressor - Google Patents
Sealing device of scroll compressor Download PDFInfo
- Publication number
- CN101725524A CN101725524A CN200810152394A CN200810152394A CN101725524A CN 101725524 A CN101725524 A CN 101725524A CN 200810152394 A CN200810152394 A CN 200810152394A CN 200810152394 A CN200810152394 A CN 200810152394A CN 101725524 A CN101725524 A CN 101725524A
- Authority
- CN
- China
- Prior art keywords
- housing
- space
- scroll compressor
- seal groove
- fixed
- 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
Images
Abstract
The invention discloses a sealing device of a scroll compressor. A seal groove or a sealing member is inserted into a high and low pressure separating plate or the outer peripheral surface of a fixed turbination which divides the internal space of a shell into a suction space and a discharging space, wherein the suction space and the discharging space are sealed, thereby being capable of preventing the refrigerant of the discharging space from leaking into the suction space due to the processing error or the assembling error of the internal surface of the shell or the peripheral surface of the fixed turbination corresponding to the internal surface or the high and low pressure separating plate.
Description
Technical field
The present invention relates to the technical field of scroll compressor, is a kind of suction space and discharge space by seal casinghousing specifically, thereby prevents to be discharged into the interior coolant leakage in space of discharging of housing to the seal arrangement that sucks the scroll compressor in the space.
Background technique
Domestic air conditioner.
Generally speaking, compressor is the device that mechanical energy is converted into the compression energy of compressible fluid.According to the mode of compressed fluid, that compressor can be divided into is reciprocating type, rotary, blade type, eddy type or the like.
The characteristics of scroll compressor are, in the inner space of airtight housing, the drive motor that produces power are set simultaneously, and utilize the driving force compression of transmitting from the drive motor compression mechanical part as the refrigerant of compressible fluid.
The structural feature of compression mechanical part is: fixed scroll and rotation scrollwork coincide mutually, and the rotation scrollwork is rotated motion with respect to fixed scroll, thereby forms a pair of pressing chamber, pressing chamber when moving inwards, compression refrigerant and refrigerant discharged continuously.
In aforesaid scroll compressor, suction pipe is communicated with the inner space of housing, and the enclosure interior space utilization fixed scroll of so-called " low pressure type compressor " is separated, respectively as the suction space of low voltage section with as the discharge space of high-voltage section.
But, there is following not enough point in the aforesaid prior art:
In aforesaid scroll compressor, the outer circumferential face of fixed scroll and the inner peripheral surface of housing are divided into the inner space of housing and are sucked the space and discharge the space, if when the processing of fixed scroll and housing and assembling, produce error, the refrigerant of discharging the space will arrive by slot leakage therebetween and suck the space, thereby causes compressor performance to descend.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of suction space and discharge space by seal casinghousing, thereby prevents to be discharged into the interior coolant leakage in space of discharging of housing to the seal arrangement that sucks the scroll compressor in the space.
The technological scheme that the present invention takes for the technical problem that exists in the solution known technology is:
The seal arrangement of scroll compressor of the present invention comprises: the housing that forms airtight inner space; Be fixed on the motor section in the inner space of housing; Thereby the driving force of utilizing motor section to produce makes the rotation scrollwork with respect to the press part that is fixed on fixed scroll in the housing and is rotated the motion compression refrigerant, also include: the inner peripheral surface of housing is fixed in contact, the inner space of housing is divided into as the suction space of low voltage section with as the discharge space of high-voltage section, and on the inner peripheral surface with housing is relatively fixed the outer circumferential face of scrollwork, is recessed to form the high low pressure separating part of seal groove.
The present invention can also adopt following technical measures:
Described high low pressure separating part is formed with the closed hole of the discharge spatial communication of the inner side surface that makes seal groove and housing.
The section area of described seal groove is slightly greater than the section area of closed hole
Be inserted with sealing component in the seal groove of described high low pressure separating part.
Described sealing component can be integrated annular, also can be the middle circular arc of cutting off.
The outer circumferential face of described fixed scroll is contacted with housing, the inner space of housing is divided into suck the space and discharge the space, and the outer circumferential face of fixed scroll is formed with seal groove.
Advantage and good effect that the present invention has are:
The seal arrangement of scroll compressor of the present invention, by being divided into outer circumferential face or the high low pressure separating plate formation seal groove that sucks space and the fixed scroll of discharging the space in the inner space that is used for housing, perhaps by sealing component is inserted in the seal groove, make oil fill seal groove, perhaps make sealing component be close to the inner peripheral surface of housing, sealing is discharged the space and is sucked the space, thereby can prevent coolant leakage owing to the outer circumferential face of the inner peripheral surface of housing or corresponding fixed scroll or the machining error of high low pressure separating plate or the discharge space that assembly error causes to the phenomenon that sucks the space, and can improve the performance of scroll compressor.
Description of drawings
Fig. 1 is the sectional arrangement drawing that has adopted scroll compressor of the present invention;
Fig. 2 be among Fig. 1 " I-I " to sectional view;
Fig. 3 is an embodiment's the sectional arrangement drawing of the seal arrangement of scroll compressor of the present invention;
Fig. 4 is another embodiment's the sectional arrangement drawing of the seal arrangement of scroll compressor of the present invention;
Fig. 5 is the sectional arrangement drawing of seal groove in the seal arrangement of scroll compressor of the present invention;
Fig. 6 is another embodiment's the sectional drawing of the seal arrangement of scroll compressor of the present invention;
Fig. 7 is another embodiment's the sectional drawing of the seal arrangement of scroll compressor of the present invention.
Embodiment
It is following that the present invention will be described in detail with reference to drawings and Examples.
Fig. 1 is the sectional arrangement drawing that has adopted scroll compressor of the present invention; Fig. 2 be among Fig. 1 " I-I " to sectional view; Fig. 3 is an embodiment's the sectional arrangement drawing of the seal arrangement of scroll compressor of the present invention; Fig. 4 is another embodiment's the sectional arrangement drawing of the seal arrangement of scroll compressor of the present invention; Fig. 5 is the sectional arrangement drawing of seal groove in the seal arrangement of scroll compressor of the present invention.
As shown in the figure, as shown in the figure, constituted by following components according to scroll compressor of the present invention: seal in order to fill a certain amount of oil and form, and suction pipe SP and discharge tube DP are communicated with the housing 10 of setting; Be arranged at the upside of housing 10, produce the drive motor 20 of rotating force; Be arranged at the upside of housing, utilize the press part 30 of the rotating force compression refrigerant of drive motor 20 generations.
The both sides up and down of main body 11 fixedly install the main frame 15 and the auxilliary framework (not shown) of the running shaft 23 that is useful on support drive motor 20 respectively.The inner peripheral surface of upper lid 12 is close to the fixed scroll 31 that is fixed with the press part 30 that will be described below, and fixed scroll 31 is used for inner space with housing 10 and is divided into as the suction space S 1 of low voltage section with as the discharge space S 2 of high-voltage section.Suck space S 1 and be communicated with combination, discharge space S 2 and be communicated with combination with discharge tube DP with suction pipe SP.
Press part 30 is made of following components: the top fixed scroll 31 that is fixedly set in main frame 15; In order to match with the fixed plate 31a of fixed scroll 31, forming a plurality of pressing chamber P and possessing has swivel plate 32a, and the rotatable top rotation scrollwork 32 that is placed in main frame 15; Be arranged between rotation scrollwork 32 and the main frame 15, be used to prevent to rotate scrollwork 32 rotations, and make the Oudan ring (oldham ' s ring) 33 of its rotation.
Be close to the inner peripheral surface of housing 10 for the outer circumferential face of the border board that can make fixed scroll 31, fixed scroll 31 forms circle.The bottom surface central authorities of border board are formed with fixed plate 31a, and bottom surface one side of border board is formed with the suction port 31b of suction space S 1 connection that makes pressing chamber P and housing 10.The upside central authorities of border board are formed with the exhaust port 31c that the discharge space S 2 of the discharge side that makes pressing chamber P and housing 10 is communicated with.And, the border board outer circumferential face of fixed scroll 31, that is, the outer circumferential face that contacts with the inner peripheral surface of housing 10 is formed with the seal groove 31d with certain depth.The upper side of border board promptly, is formed with closed hole 31e from being contacted with the upper side of discharging space S 2 to the inner side surface of seal groove 31d, is discharged to high pressure refrigerant or the oil inflow seal groove 31d that discharges space S 2 thereby can make.And seal groove 31d can be provided with sealing component 34, and sealing component is promoted by the refrigerant of the high pressure that flows into by closed hole 31e or oil, thereby between the outer circumferential face of the inner peripheral surface of seal casinghousing 10 and fixed scroll 31.
And as shown in Figures 3 and 4, the basal area of seal groove 31d can be identical with the basal area of closed hole 31e.Perhaps as shown in Figure 5, the basal area of seal groove 31d can be greater than the basal area of closed hole 31e, thereby can bring out higher plus-pressure.
As shown in Figure 3, the inlet of closed hole 31e can promptly, form at the top of fixed scroll 31 opening at the periphery of exhaust port 31c.Perhaps as shown in Figure 4, consider the pressure power of gas and wet goods, the inlet of closed hole 31e can be formed at above the nearer fall-part of seal groove 31d by opening.
In order can be promoted by the pressure of gas that flows into by closed hole 31e or oil, and be close to the inner peripheral surface of housing 10, sealing component 34 is to be made by light close material.And the shape of sealing component 34 can be different according to the shape of seal groove 31d, can form annular or circle.For example, seal groove 31d is that sealing component 34 equally also can form annular, perhaps under the situation of annular, consider that sealing component 34 is promoted and outside open phenomenon by the pressure of gas that flows into by closed hole 31e or oil, also can form circular shape.
Do not have the symbol 21 of explanation to be stator in the drawing, 22 is rotor, and 23 is live axle.
The seal arrangement of aforesaid foundation scroll compressor of the present invention has following action effect.
That is, in case there is power supply to supply with in the drive motor 20, the rotation scrollwork 32 that is activated the rotating force of motor 20 will rotate until eccentric distance on main frame 15 owing to the effect of Oudan ring 33.And,, will form a pair of pressing chamber P that moves continuously between the swivel plate 32a of the fixed plate 31a of fixed scroll 31 and rotation scrollwork 32 because rotation scrollwork 32 rotates.The volume of pressing chamber P will along with rotation scrollwork 32 continue rotatablely move and in the process that move at the center, diminish, thereby the refrigerant that compression sucks by suction pipe SP.The refrigerant of compression will be by the continuous discharge space S 2 that is discharged to housing 10 of the exhaust port 31c of fixed scroll 31, and then, DP flow to refrigerating circulation system by discharge tube, and carries out a succession of process repeatedly.
At this moment, the pressure of discharging space S 2 will be high pressure conditions owing to the refrigerant of discharging, and the refrigerant of high pressure conditions will flow into the closed hole 31e of fixed scroll 31, thereby produce the tendency that the suction space S 1 to relatively low pressure flows.The refrigerant that flow into closed hole 31e will outwards promote to be inserted in the sealing component 34 of seal groove 31d, thereby make the outer circumferential face of sealing component 34 be close to the inner peripheral surface of housing 10.
So, can effectively cut off the refrigerant that is discharged to the high pressure of discharging the space by housing inner peripheral surface and the outer circumferential face of fixed scroll between leak into and suck the space.
In addition, another embodiment of the seal arrangement of foundation scroll compressor of the present invention is as follows.
Promptly in the foregoing embodiments, the outer circumferential face of fixed scroll is inserted with other sealing component, and promotes sealing component by the cold media air or the oil of high pressure, and makes sealing component be close to the inner peripheral surface of housing.In the present embodiment, form seal groove at the outer circumferential face of fixed scroll, and make oil flow into seal groove, between the inner peripheral surface of the oil film seal housing by oil and the outer circumferential face of fixed scroll.
For example, as shown in Figure 6, form at the outer circumferential face of fixed scroll 31 under the situation of seal groove 31d, will be mobile by the oil that exhaust port 31c and the refrigerant of fixed scroll 31 are together discharged along the upper side of fixed scroll 31, and flow between the outer circumferential face of the inner peripheral surface of housing 10 and fixed scroll 31.The oily back of will gathering at the seal groove 31d of the outer circumferential face that is formed at fixed scroll 31 forms a kind of oil film, arrives suction space S 1 thereby can cut off the coolant leakage of discharging space S 2.
On the contrary, as shown in Figure 7, the outer circumferential face of fixed scroll 31 forms seal groove 31d, form under the situation of closed hole 31e to the upper side of fixed scroll 31 from the inner side surface of seal groove 31d, a part that flow into the oil of discharging space S 2 will flow into seal groove 31d by closed hole 31e, and between the outer circumferential face of the inner peripheral surface of housing 10 and fixed scroll 31, form oil film, leak into and suck space S 1 from discharging space S 2 thereby can cut off refrigerant.
In addition, in aforesaid embodiment, understand that for example seal groove and closed hole are formed at the situation of fixed scroll, but in addition, upper side at fixed scroll is provided with under the situation of high low pressure separating plate in addition, also can form seal groove and closed hole at the high low pressure separating plate.
Claims (6)
1. the seal arrangement of a scroll compressor comprises: the housing that forms airtight inner space; Be fixed on the motor section in the inner space of housing; Thereby the driving force of utilizing motor section to produce makes the rotation scrollwork with respect to the press part that is fixed on fixed scroll in the housing and is rotated the motion compression refrigerant, it is characterized in that: also include: the inner peripheral surface of housing is fixed in contact, the inner space of housing is divided into as the suction space of low voltage section with as the discharge space of high-voltage section, and on the inner peripheral surface with housing is relatively fixed the outer circumferential face of scrollwork, is recessed to form the high low pressure separating part of seal groove.
2. the seal arrangement of scroll compressor according to claim 1 is characterized in that: the high low pressure separating part is formed with the closed hole of the discharge spatial communication of the inner side surface that makes seal groove and housing.
3. the seal arrangement of scroll compressor according to claim 2 is characterized in that: the section area of seal groove is slightly greater than the section area of closed hole.
4. according to the seal arrangement of any described scroll compressor of claim 1 to the claim 3, it is characterized in that: be inserted with sealing component in the seal groove of high low pressure separating part.
5. the seal arrangement of scroll compressor according to claim 4, it is characterized in that: sealing component can be integrated annular, the circular arc of cutting off in the middle of also can being.
6. the seal arrangement of scroll compressor according to claim 1, it is characterized in that: the outer circumferential face of fixed scroll is contacted with housing, the inner space of housing is divided into suck the space and discharge the space, and the outer circumferential face of fixed scroll is formed with seal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810152394A CN101725524A (en) | 2008-10-21 | 2008-10-21 | Sealing device of scroll compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810152394A CN101725524A (en) | 2008-10-21 | 2008-10-21 | Sealing device of scroll compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101725524A true CN101725524A (en) | 2010-06-09 |
Family
ID=42446942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810152394A Pending CN101725524A (en) | 2008-10-21 | 2008-10-21 | Sealing device of scroll compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101725524A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104603464A (en) * | 2012-07-06 | 2015-05-06 | 特灵国际有限公司 | Sealing joint for a compressor casing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08338379A (en) * | 1995-02-23 | 1996-12-24 | Nakamura Kimie | Scroll chip seal of scroll fluid machine |
| JP3129365B2 (en) * | 1993-08-30 | 2001-01-29 | 三菱重工業株式会社 | Scroll type fluid machine |
| CN1363773A (en) * | 2001-12-14 | 2002-08-14 | 乐金电子(天津)电器有限公司 | High pressure and low pressure separator of vortex compressor |
| CN101046202A (en) * | 2007-03-27 | 2007-10-03 | 珠海格力电器股份有限公司 | Floating sealer and the compressor therewith |
| CN101196191A (en) * | 2006-12-05 | 2008-06-11 | 日立空调·家用电器株式会社 | Scroll compressor |
-
2008
- 2008-10-21 CN CN200810152394A patent/CN101725524A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3129365B2 (en) * | 1993-08-30 | 2001-01-29 | 三菱重工業株式会社 | Scroll type fluid machine |
| JPH08338379A (en) * | 1995-02-23 | 1996-12-24 | Nakamura Kimie | Scroll chip seal of scroll fluid machine |
| CN1363773A (en) * | 2001-12-14 | 2002-08-14 | 乐金电子(天津)电器有限公司 | High pressure and low pressure separator of vortex compressor |
| CN101196191A (en) * | 2006-12-05 | 2008-06-11 | 日立空调·家用电器株式会社 | Scroll compressor |
| CN101046202A (en) * | 2007-03-27 | 2007-10-03 | 珠海格力电器股份有限公司 | Floating sealer and the compressor therewith |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104603464A (en) * | 2012-07-06 | 2015-05-06 | 特灵国际有限公司 | Sealing joint for a compressor casing |
| US9845809B2 (en) | 2012-07-06 | 2017-12-19 | Trane International Inc. | Sealing joint for a compressor casing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204041454U (en) | Scroll compressor | |
| CN102788019A (en) | Rotary compressor | |
| CN108343607B (en) | Compression mechanism and compressor with same | |
| CN103573625A (en) | Volume variable rotation compressor | |
| CN202707496U (en) | Variable-capacity rotary compressor | |
| KR101157236B1 (en) | Compressor | |
| JP2006177223A (en) | Rotary two stage compressor | |
| CN101725524A (en) | Sealing device of scroll compressor | |
| CN101368564B (en) | Integral translational rotating compression device | |
| WO2003054391A1 (en) | Suction mechanism of rotary compressor | |
| KR20150132613A (en) | Single screw compressor | |
| CN101713404A (en) | Gas-liquid separation device for turbine compressor | |
| KR102201409B1 (en) | A rotary compressor | |
| CN101372977A (en) | Suction tube components of rotary compressor | |
| CN201236799Y (en) | Translational rotating compression device | |
| CN206035822U (en) | Scroll compressor and compressing mechanism, move vortex dish and prevent rotation device thereof | |
| CN201273279Y (en) | Integral translational rotating compression device | |
| CN101372964A (en) | High and low pressure separation apparatus of swirl compressor | |
| KR100286714B1 (en) | The Rotary Compressor with the System of Suction through Bearing | |
| CN105822553A (en) | Multi-cylinder rotary compressor | |
| JP2011163257A (en) | Hermetic compressor | |
| CN2844513Y (en) | Gas exhausting assembly of rotary compressor | |
| JP2010001816A (en) | Scroll fluid machine | |
| CN101813082A (en) | Compressor crankshaft structure with T-shaped oil supplying hole | |
| CN1611781A (en) | Rotary compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100609 |