CN1280592C - Closed revolving compressor - Google Patents
Closed revolving compressor Download PDFInfo
- Publication number
- CN1280592C CN1280592C CNB021524025A CN02152402A CN1280592C CN 1280592 C CN1280592 C CN 1280592C CN B021524025 A CNB021524025 A CN B021524025A CN 02152402 A CN02152402 A CN 02152402A CN 1280592 C CN1280592 C CN 1280592C
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- Prior art keywords
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- rotary compressor
- suction
- closed container
- shape rotary
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- 230000006835 compression Effects 0.000 claims abstract description 44
- 238000007906 compression Methods 0.000 claims abstract description 44
- 239000003507 refrigerant Substances 0.000 claims description 39
- 239000011148 porous material Substances 0.000 claims description 16
- 238000003466 welding Methods 0.000 claims description 8
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000000638 solvent extraction Methods 0.000 abstract 2
- 239000007788 liquid Substances 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000010687 lubricating oil Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005219 brazing Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2210/00—Fluid
- F04C2210/26—Refrigerants with particular properties, e.g. HFC-134a
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/50—Bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/80—Other components
- F04C2240/805—Fastening means, e.g. bolts
Abstract
Attaining reduction in cost and improvement in reliability in a hermetic rotary compressor while ensuring compressor performance. The thickness of each cylinder 8 and 8A for constituting compression elements is set larger than that of a partitioning plate 10. One intake passage 12 extending from a side opening to the center is formed on the partitioning plate 10, and communicating holes 13 branched from the intake passage 12 to both sides and extended to the intake chamber of each compression element is formed, and one intake conduit extending through a hermetic casing 1 is connected to the intake passage 12.
Description
Technical field
The present invention relates to airtight shape rotary compressor, particularly about the airtight shape rotary compressor of the refrigerator that is used for air conditioner, cold air application products etc.
Background technology
As existing airtight shape rotary compressor, open shown in the clear 63-134188 communique (prior art 1) such in fact as Japan, this kind compressor, to be accommodated in the closed container by motor part and the compression mechanical part that bent axle links, form compression mechanical part with 2 compression key elements that clip dividing plate, refrigerant gas is sucked in the compression key element the compressed space that is discharged in the closed container by suction line.In the cylinder that constitutes 2 compression key elements, form and suck path, and independently suction line is connected to this 2 suction paths.
In addition, as existing airtight shape rotary compressor, such shown in Japanese kokai publication sho 63-162991 communique (prior art 2), this kind compressor will be accommodated in the closed container by motor part and the compression mechanical part that bent axle links, and forms compression mechanical part with 2 compression key elements that clip dividing plate, by suction line refrigerant gas is sucked the compression key element, in the compressed space that is discharged in the closed container, suction line directly connects the compression key element, is connected in suction chamber.
In the airtight shape rotary compressor of prior art 1 because in 2 cylinders, form to suck path, independently suction line is connected to this suctions path, 2 suction lines of needs, thereby have and cause the problem that increases substantially cost thereupon.
In addition, in prior art 1, because axially and put 2 suction lines, the stress that applies internal pressure on the line that links between 2 suction lines is concentrated, and has the problem of damaging closed container easily.Particularly replacing under the situation of HCHC22 refrigerant with HFC410A refrigerant, compressor operating pressure becomes about 1.5 times, and the closed container internal pressure becomes 1.5 times.Therefore, in prior art 1, be necessary to increase the compressive resistance of closed container, existence need be carried out the problem such as the special correspondence that increases thickness of slab and raising rigid shape.
In addition, in prior art 1, when suction line being connected in the suction path of cylinder, be fixed in the power that effect is relatively slided between the bearing of closed container and cylinder, do not produce displacement each other, the special assembling procedure problem of needs is arranged for making it.
On the other hand, in the airtight shape rotary compressor of prior art 2, since constitute the compression key element cylinder thickness as thin as a wafer, be below half of block board thickness, be formed under the situation of dividing plate will sucking path, the flow path cross sectional area that sucks path diminishes, the problem that suction resistance increases, compressor performance descends that refrigerant gas is arranged thus.
In addition, in prior art 2, be not provided for seeking to improve the concrete suction passway structure of performance.
First purpose of the present invention promptly is to provide can seek to guarantee compressor performance and the airtight shape rotary compressor that cost is low, reliability is high.
Second purpose of the present invention is to provide the airtight shape rotary compressor that is expected to improve reliability and improves compressor performance.
The 3rd purpose of the present invention is to provide can seek to guarantee compressor performance and the airtight shape rotary compressor of boosting productivity.
And purpose of the present invention is not limited thereto, and can recognize other purpose and advantage from following record.
Summary of the invention
For reaching the of the present invention airtight shape rotary compressor of aforementioned first purpose, to be accommodated in the closed container by motor part and the compression mechanical part that bent axle links, constitute aforementioned compression mechanical part with 2 compressor key elements that clip dividing plate, by suction line refrigerant gas is sucked aforementioned compression key element, in the compressed space that is discharged to aforementioned closed container.Aforementioned separator plate thickness is thicker than the thickness of the aforementioned cylinder that constitutes aforementioned compression key element; In dividing plate, form 1 suction path that opening from the side extends to central authorities, form the aforementioned intercommunicating pore that respectively compresses the key element suction chamber of arrival from aforementioned suction access shunt both sides, 1 aforementioned suction line that will run through aforementioned closed container is connected in aforementioned suction path.
For reaching the of the present invention airtight shape rotary compressor of aforementioned second purpose, to be accommodated in the closed container by motor part and the compression mechanical part that bent axle links, form aforementioned compression mechanical part with 2 compression key elements that clip dividing plate, by suction line refrigerant gas is sucked the aforementioned key element of respectively compressing, in the compressed space that is discharged to aforementioned closed container.In aforementioned separator plate, form the suction path that extends to central authorities from 2 openings that have at the side circumferencial direction, be communicated with aforementioned path and the aforementioned intercommunicating pore that respectively compresses the suction chamber of key element of shunt both sides formation connection of respectively sucking, the aforementioned suction line that will run through aforementioned closed container is connected in the aforementioned path that respectively sucks respectively separately.
For reaching the 3rd purpose airtight shape rotary compressor of the present invention, to be accommodated in the closed container by motor part and the compression mechanical part that bent axle links, form aforementioned compression mechanical part with 2 compression key elements that clip dividing plate, by suction line refrigerant gas is sucked the aforementioned key element of respectively compressing, in the compressed space that is discharged to aforementioned closed container.By welding etc. aforementioned separator plate is fixed in aforementioned closed container, forming from the side in aforementioned separator plate, opening is connected in aforementioned suction path with 1 suction line simultaneously to 1 suction path of central authorities' extension.
Description of drawings
Fig. 1 is the profilograph of the airtight shape rotary compressor of expression first embodiment of the invention.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the A-A profile of Fig. 1.
Fig. 4 is the vertical view that is used for the dividing plate of the airtight shape rotary compressor of Fig. 1.
Fig. 5 is the B-B profile of Fig. 4.
Fig. 6 is with the volumetric efficiency of the airtight shape rotary compressor of Fig. 1 and the comparative example represented performance plot that compares.
Fig. 7 is the presentation graphs 4 dividing plates first variation vertical views.
Fig. 8 is the C-C profile of Fig. 7.
Fig. 9 is Fig. 4 dividing plate second variation vertical view.
Figure 10 is the D-D profile of Fig. 9.
Figure 11 is the side view of the airtight shape rotary compressor of expression second embodiment of the invention.
Figure 12 is the figure of the dividing plate in the presentation graphs 11E-E section.
Figure 13 is the F-F profile of Figure 12.
Figure 14 is the profile of the airtight shape rotary compressor of expression third embodiment of the invention.
Figure 15 is the G-G profile of Figure 14.
Figure 16 is the H-H profile of Figure 15.
The specific embodiment
The following a plurality of embodiment that use the airtight shape rotary compressor of description of drawings the present invention.And in each embodiment, represent same parts or suitable parts with prosign.
At first, use Fig. 1～Fig. 6 that the airtight shape rotary compressor of first embodiment of the invention is described.Fig. 1 is the profilograph of the airtight shape rotary compressor of expression first embodiment of the invention; Fig. 2 is the side view of Fig. 1; Fig. 3 is the A-A cutaway view of Fig. 1; Fig. 4 is the vertical view of dividing plate that is used for the airtight shape rotary compressor of Fig. 1; Fig. 5 is the B-B cutaway view of Fig. 4; Fig. 6 is that expression is with the volumetric efficiency of the airtight shape rotary compressor of Fig. 1 and the performance plot that comparative example compares.
Airtight shape rotary compressor 20 is made of compressor body 30 and gas-liquid separator 2.This airtight shape rotary compressor 20 has constituted the part in the freeze cycle of refrigerator of air conditioner, cold air application products etc.As refrigerant, having used than HCHC is that refrigerant is refrigerant (for example, HFC410A refrigerant) to the better HFC of earth environment.
Closed container 1 is made of container lower member 1a, container cartridge member 1b, container upper member 1c.Chimeric container upper member 1c and container lower member 1a in container cartridge member 1b make its inside airtight its fitting portion welding.Container cartridge member 1b forms the cylindric of upper and lower opening with iron plate.
Compression mechanical part 22 is to be that the main composition key element constitutes with base bearing 7, bent axle 5,11,2 cylinders 8 of supplementary bearing, 8A, 2 rollers 9,9a, 2 blades 17 and 1 dividing plate 10.Compression mechanical part 22 has by at dividing plate 10 both sides configuration cylinder 8,8A, roller 9,9a, blade 17, joins base bearing 7 in their outside and constitutes two compression key elements with supplementary bearing 11.Like this, 10 one-tenth states that are folded in 2 compression key elements of dividing plate are by shared.
The discharge chambe of one side's compression key element is by dividing plate 10, cylinder 8, base bearing 7, constitute with roller 9; The discharge chambe of the opposing party's compression key element is made of dividing plate 10, cylinder 8A, supplementary bearing 11 and roller 9A.
Base bearing 7 waits by welding and is fixed on the container cartridge member 1b, embeds bent axle 5 in this base bearing 7 free to rotately.On bent axle 5, form 2 eccentric parts of the 180 ° of off-centre that stagger, at the chimeric free to rotately roller 9 of these 2 eccentric parts, 9A.With respect to base bearing 7 by screw 6 fixedly cylinder 8 and dividing plate 10; With respect to supplementary bearing 11 by screw 6A fixedly cylinder 8A and dividing plate 10.Thereby two compression key elements are fixed in closed container 1 by base bearing 7.
In the blade ditch of cylinder 8,8A, can embed blade 17 (with reference to Fig. 3) with being free to slide.Blade 17 is separated into low-pressure chamber 25 and hyperbaric chamber 26 by spring 18 pushings with each discharge chambe.The pushing force of this spring 18 is set to the power of the size that balances each other with the inertia force that moves back and forth generation on roller 9,9A.In addition, in each low-pressure chamber 25, cylinder suction inlet 14 is set.
In dividing plate 10, form the suction path 12 that opening from the side extends to central authorities.In addition, in dividing plate 10, also form the intercommunicating pore 13 that is shunted to the cylinder suction inlet 14 of the suction chamber 25 that respectively compresses key element from suction path 12 to both sides.This intercommunicating pore 13 is owing to vertical partition plate 10 forms, so can extremely easily form.Be formed in the stream of the refrigerant in the dividing plate 10 by this suction path 12 and intercommunicating pore 13, this stream becomes symmetry up and down.
For strengthening the flow path cross sectional area that sucks path 12, the thickness of dividing plate 10 forms thicklyer than the thickness of cylinder 8,8A.
Particularly in order to make the flow path cross sectional area that sucks path do greatlyyer than the suction path that is provided with respectively on 2 such cylinders of prior art 1, in the present embodiment, the thickness of dividing plate 10 forms more than 1.25 times of cylinder 8,8A thickness.
That is, the cylinder thickness of establishing prior art 1 is t, is t from the minimum dimension of the outer thoughtful cylinder outside of suction line
1, suction line thickness be t
2, the thickness of establishing present embodiment dividing plate 10 is T, be t from the minimum dimension of the outer thoughtful cylinder outside of suction line
1, suction line thickness be t
2, must satisfy following formula greatly than the flow path cross sectional area of prior art 1 for making the actual internal area that sucks path 12.T in the formula
1With t
2It is contemplated that and be roughly 0.1t.
2×[π(t-4×0.1t)
2/4]＜π(T-4×0.1t)
2/4 (1)
This formula (1) is put in order, become 1.25t＜T.In the present embodiment, set 1.275t=T.
The thickness of like above-mentioned such thickening dividing plate 10 because the whirling of compression mechanical part 22 strengthens, therefore, is installed on the upper and lower end parts of rotor 4 with the counterweight 27 of its corresponding size.
Gas-liquid separator 2 is fixed in the side of closed container 1 by bandage etc.Gas-liquid separator 2 upsides have gas-liquid separator suction inlet 15.From the refrigerant pipe arrangement 2a that the downside of gas-liquid separator 2 extends, be connected in the suction path 12 of dividing plate 10 by tube connector 23, containment member 24.Tube connector 23 is the outside to be taken over the welding of inboard adapter air-tightness constitute.The outside is taken over and hermetic is welded in closed container 1, and inboard the adapter is welded in refrigerant pipe arrangement 2a.In addition, containment member 24 embeds and is installed in the suction path 12 of dividing plate 10.In Fig. 1, omitted the refrigerant pipe arrangement 2a part in the indentation sealing member 24.
Like this, run through the suction line of closed container 1, constitute by refrigerant pipe arrangement 2a, tube connector 23 and containment member 24 etc.The concrete formation method of this suction line is described now.The inboard is taken over and outside adapter copper brazing formation tube connector 23.Secondly, tube connector 23 is carried out copper brazing with refrigerant pipe arrangement 2a tabling and between inboard adapter and refrigerant pipe arrangement.On the other hand, containment member 24, though not shown among the figure, with its entrance side expander, the feasible refrigerant pipe arrangement 2a that inserts easily.Dividing plate 10 makes extension tube attached embed the hole (not shown) butt of closed container 1 under being assembled into closed container 1 internal state, with in the refrigerant pipe arrangement 2a indentation sealing member 24 simultaneously.Cost electrode on the outboard tube of butt, externally side joint pipe and closed container 1 carry out electric welding, and be thus that extension tube attached and closed container 1 is hermetic fixing.Finally finish the formation of suction line for this reason.
The action of above-mentioned closed compressor 20 is described now.
If to motor 21 energisings, rotor 4 is subjected to the turning power of stator 3 and rotates, the bent axle 5 that is fixed in rotor 4 rotates.2 eccentric parts by bent axle 5 rotate, and make 2 rollers 9,9A eccentric rotary in discharge chambe, and simultaneously, blade 17 moves back and forth in the blade ditch.Thus, the refrigerant gas that carries out gas-liquid separation by gas-liquid separator 2 is inhaled into each low-pressure chamber 25 of 2 compression key elements, moves to hyperbaric chamber 26 again, high pressure refrigerant gas is discharged in the closed container 1 from outlet.
Specify the inhalation flow of this refrigerant gas now.The refrigerant gas that sucks from suction line from suck path 12 by 13 shunt of arrow 19 intercommunicating pores that direction is shown in both sides, suck low-pressure chamber 25 by cylinder suction inlet 14,14A.
In this compressed action, be refrigerant as refrigerant owing to having used HFC, be that refrigerant is compared with using HCFC, generally become 1.5 times discharge pressure, thereby the space in the closed container 1 has been full of the refrigerant gas of 1.5 multiplication of voltage power.High pressure refrigerant gas in the closed container 1 is by waiting the discharge pipe 16 that is installed on the container upper member 1c to discharge to the external high pressure pipe arrangement with welding.
The result who 1 suction line of present embodiment is connected in the volumetric efficiency under dividing plate 10 situations and 2 suction lines is connected to the volumetric efficiency comparison under prior art 1 situation of 2 cylinders represents in Fig. 6.Can confirm that from Fig. 6 the former volumetric efficiency shown in Fig. 6 (a) can obtain and the volumetric efficiency of the latter shown in Fig. 6 (b) performance of equal extent roughly.
In above-mentioned present embodiment, owing to make thickness thick the form suction path 12 of the thickness of dividing plate 10 than the cylinder 8 that constitutes the compression key element, even 1 suction path 12 also can guarantee to strengthen its flow path cross sectional area, can reduce the suction resistance of refrigerant gas and improve compressor performance.In addition, owing to form a suction line that runs through closed container 1, compare with prior art 1, suction line is reduced by half, simple structure and being expected reduces the cost of fee of material, assembling processing charges etc., simultaneously, can between 2 suction lines of closed container 1, not form the concentrated and raising compressive resistance of stress, can seek to improve reliability.In addition, using the good HFC of earth environment is refrigerant, also can fully guarantee reliability.
Bottom illustrates first variation of the dividing plate 10 of present embodiment with reference to Fig. 7 and Fig. 8.
In this first variation, roughly become the Y font to form to bilateral symmetry by the stream that sucks the dividing plate 10 that path 12 and intercommunicating pore 13 form.Thus, from sucking path 12 at intercommunicating pore 13 along separate routes the time, from the inhalation flow direction slowly to two side directions along separate routes, the comparable the foregoing description of flow resistance is also low at refrigerant.Thereby, can reduce the suction pressure loss, can improve compressor performance.In addition, because this stream, can not lose the performance of 2 compressions of the balanced performance in ground key element in bilateral symmetry.Also have, tilt, can form with comparalive ease because intercommunicating pore 13 is only made relative suction path 12.
Below, second variation of present embodiment dividing plate 10 is described with reference to Fig. 9 and Figure 10.
In this second variation, the shunt part that roughly becomes Y font stream of first variation is formed slopely to the direction of rotation (rotation direction of roller 9) of bent axle 5.Thus, when from sucking path 12 at intercommunicating pore 13 along separate routes the time, refrigerant can suck low-pressure chamber along the direction that is sucked low-pressure chamber 25 successively along separate routes smoothly.Thereby comparable first variation further reduces the suction pressure loss, further improves compressor performance.
Below, second embodiment of the airtight shape rotary compressor of the present invention is described by Figure 11～Figure 13.This second embodiment has following and difference first embodiment, other aspects and first
Embodiment is basic identical.
In this second embodiment, the suction path 12 that extends to central authorities from 2 openings that had at the side circumferencial direction is formed at the dividing plate 10.These two suction paths 12 form radial, and the central portion side of these 2 suction paths 12 is communicated with common intercommunicating pore 13.The aforementioned suction line that includes refrigerant pipe arrangement 2a runs through closed container 1 difference separate connection and sucks path 12 in each.
According to this second embodiment, owing to have 2 suction paths, compare with first embodiment, can reduce the actual internal area of per 1 suction path 12.Thus, can make the thickness attenuation of dividing plate 10.In addition, owing to suck 12 one-tenths radial extensions of path, distance between the peristome of suction path 12 can be strengthened, the concentrated stress between 2 independent suction lines of closed container 1 can be reduced.Thus, can improve its reliability.And, if make the flow path cross sectional area of 1 suction line 12 identical, can increase total flow path cross sectional area of 2 suction paths 12 with first embodiment, can improve compressor performance.
In addition, owing to become the central portion of 2 suction paths 12 of radial formation to be communicated in common intercommunicating pore 13, can make simple structure and cheap suction structure.In addition, because the flow path cross sectional area of this intercommunicating pore 13 is set greatly than the total of the flow path cross sectional area of 2 suction paths 12, can reduce suction resistance.
Below, the 3rd embodiment of the airtight shape rotary compressor of the present invention is described by Figure 14～Figure 16.The 3rd embodiment is just like following and difference first embodiment, other aspects and first
Embodiment is basic identical.
In the 3rd embodiment, dividing plate 10 is fixed in closed container 1.Thus, when suction line being connected in suction path 12, even the connected load of suction line puts on dividing plate 10, owing to bear this load with closed container 1, between dividing plate 10 and cylinder 8,8A and bearing 7,11, relative slip can be do not produced, displacement can be do not produced therebetween.Thereby its assembling does not need special operation, can keep dimensional accuracy therebetween.In addition, cylinder 8,8A and bearing 7,11 are fixedly attached to dividing plate 10 by screw 6,6A.
Also have, when 1 suction path 12 extending to central authorities of opening is formed at dividing plate 10 from the side, 1 suction line is connected in sucks path 12.Based on this point, can reach the effect same with first embodiment.In illustrated example, the thickness of dividing plate 10 is thinner than cylinder 8,8A, but as taking the thickness same with first embodiment, can obtain effect same in this.
Dividing plate 10 has the outer radius portion identical with closed container 1 internal diameter (in the illustrated example, the full periphery of dividing plate 10 is fit to the complete interior week of closed container 1), and this part that matches is welded in closed container at several places.In addition, on dividing plate 10, form the lubricating oil hole 10a of some places.Lubricating oil is stored in dividing plate 10 upper and lowers with hole 10a by this lubricating oil, can be easy to lubricating oil is supplied with whole compressor structure portion.
In addition, variation as the 3rd embodiment, though it is not shown among the figure, by welding etc. dividing plate is fixed in closed container, the suction path that extends to central authorities from 2 openings that have at the side circumferencial direction is formed on the dividing plate, and the suction line difference separate connection that will run through closed container is also passable in each suction path.Thus, can make the 3rd embodiment can have the function of second embodiment.
By upper explanation as can be known, according to the present invention, can obtain to guarantee compressor performance, being lowered into Originally, improve the closed revolving compressor of reliability.
In addition, according to the present invention, can obtain to seek to improve reliability and improve compressor performance Closed revolving compressor.
Have again, according to the present invention, can obtain producing guaranteeing that compressor performance can be sought simultaneously to improve The closed revolving compressor of rate.
Claims (7)
1. airtight shape rotary compressor, this airtight shape rotary compressor, to be accommodated in the closed container by motor part and the compression mechanical part that bent axle links, form aforementioned compression mechanical part by 2 compression key elements that clip dividing plate, by suction line refrigerant gas is sucked the aforementioned key element of respectively compressing, compressed it is discharged to space in the aforementioned closed container, it is characterized in that
Make the thickness of aforementioned separator plate thicker than the thickness of the cylinder that constitutes aforementioned compression key element, in aforementioned separator plate, form the suction path that opening from the side extends to central authorities, form the aforementioned intercommunicating pore that respectively compresses the suction chamber of key element of arrival from aforementioned suction path along separate routes to both sides, make an aforementioned suction line that runs through aforementioned closed container be connected in aforementioned suction path.
2. according to the described airtight shape rotary compressor of claim 1, it is characterized in that the thickness of aforementioned separator plate is more than 1.25 times of aforementioned cylinder thickness.
3. according to the described airtight shape rotary compressor of claim 1, it is characterized in that, is that HFC is a refrigerant as the refrigerant that is used to compress.
4. according to the described airtight shape rotary compressor of claim 1, it is characterized in that, will form with the stream that aforementioned suction path and aforementioned intercommunicating pore form and be roughly Y font, bilateral symmetry.
5. according to the described airtight shape rotary compressor of claim 1, it is characterized in that, the shunt part of aforementioned intercommunicating pore is tilted to the rotation direction of aforementioned bent axle, be communicated with the aforementioned low-pressure chamber that respectively compresses key element.
6. airtight shape rotary compressor, this airtight shape rotary compressor, to be accommodated in the closed container by motor part and the compression mechanical part that bent axle links, form aforementioned compression mechanical part with two compression key elements that clip dividing plate, by suction line refrigerant gas is sucked the aforementioned key element of respectively compressing, the compressed space that is discharged in the aforementioned closed container is characterized in that
Make the thickness of aforementioned separator plate thicker than the thickness of the cylinder that constitutes aforementioned compression key element, by welding aforementioned separator plate is fixed in aforementioned closed container, a suction path that opening is from the side extended to central authorities is formed in the aforementioned separator plate, simultaneously a suction line is connected in aforementioned suction path.
7. according to the described airtight shape rotary compressor of claim 6, it is characterized in that, will constitute the cylinder of aforementioned compression key element and bearing fixing on aforementioned separator plate by bolt.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP357195/2001 | 2001-11-22 | ||
| JP2001357195A JP3869705B2 (en) | 2001-11-22 | 2001-11-22 | Hermetic rotary compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1423056A CN1423056A (en) | 2003-06-11 |
| CN1280592C true CN1280592C (en) | 2006-10-18 |
Family
ID=19168572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021524025A Expired - Fee Related CN1280592C (en) | 2001-11-22 | 2002-11-22 | Closed revolving compressor |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3869705B2 (en) |
| KR (1) | KR100497924B1 (en) |
| CN (1) | CN1280592C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032190A (en) * | 2009-09-29 | 2011-04-27 | 三洋电机株式会社 | Suction passages for a rotary vane compressor |
| CN102102668A (en) * | 2009-12-22 | 2011-06-22 | Lg电子株式会社 | Rotary compressor |
| CN103696963A (en) * | 2013-12-20 | 2014-04-02 | 广东美芝制冷设备有限公司 | Double-cylinder rotary type compressor component and compression device thereof |
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-
2001
- 2001-11-22 JP JP2001357195A patent/JP3869705B2/en not_active Expired - Fee Related
-
2002
- 2002-11-21 KR KR10-2002-0072595A patent/KR100497924B1/en not_active IP Right Cessation
- 2002-11-22 CN CNB021524025A patent/CN1280592C/en not_active Expired - Fee Related
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| CN102102668A (en) * | 2009-12-22 | 2011-06-22 | Lg电子株式会社 | Rotary compressor |
| CN102102668B (en) * | 2009-12-22 | 2014-12-17 | Lg电子株式会社 | Rotary compressor |
| CN103696963A (en) * | 2013-12-20 | 2014-04-02 | 广东美芝制冷设备有限公司 | Double-cylinder rotary type compressor component and compression device thereof |
| CN103696963B (en) * | 2013-12-20 | 2016-02-17 | 广东美芝制冷设备有限公司 | Double-cylinder rotary type compressor component and compression set thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3869705B2 (en) | 2007-01-17 |
| KR20030042418A (en) | 2003-05-28 |
| JP2003161278A (en) | 2003-06-06 |
| CN1423056A (en) | 2003-06-11 |
| KR100497924B1 (en) | 2005-06-29 |
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