CN107250545A - Compressor - Google Patents
Compressor Download PDFInfo
- Publication number
- CN107250545A CN107250545A CN201580076550.4A CN201580076550A CN107250545A CN 107250545 A CN107250545 A CN 107250545A CN 201580076550 A CN201580076550 A CN 201580076550A CN 107250545 A CN107250545 A CN 107250545A
- Authority
- CN
- China
- Prior art keywords
- refrigerant
- bearing
- rib
- main body
- cylinder main
- 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.)
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Classifications
-
- 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
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/001—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of similar working principle
-
- 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
-
- 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
- F04C18/3562—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 the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation
- F04C18/3564—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 the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation the surfaces of the inner and outer member, forming the working space, being surfaces of revolution
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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
- F04C29/04—Heating; Cooling; Heat insulation
-
- 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
- F04C29/06—Silencing
-
- 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
- F04C29/06—Silencing
- F04C29/065—Noise dampening volumes, e.g. muffler chambers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
It is an object of the present invention to provide a kind of compressor of rigidity that can improve bearing and reduction to the heat transfer of cylinder main body.Compressor possesses：The cylinder main body of Rotary Compressor structure；Upper bearing (22), is arranged at a surface side of cylinder main body, supports drive shaft；And muffler plate (42), it is arranged at a surface side of upper bearing (22), upper bearing (22) has the next door rib (46) of the radial direction formation uprightly set from the one side of upper bearing (22) and along upper bearing (22), and the compressor is formed with：Refrigerant throughput (38), is surrounded by next door rib (46) and muffler plate (42), and the refrigerant circulation for being discharged from cylinder main body；And insulation part (39), surrounded by next door rib (46) and muffler plate (42), and separated by next door rib (46) and muffler plate (42) with refrigerant throughput (38), refrigerant is not circulated.
Description
Technical field
The present invention is applied to air regulator etc., is related to the compressor of compression and discharging refrigerant.
Background technology
Compressor for air regulator etc. drives compression unit by electromagnetic motor.Electromagnetic motor is by rotor and determines
Son etc. is constituted, and rotor and compression unit are connected with each other via drive shaft (rotary shaft).Rotated by the rotor of motor, revolve compression unit
Turn.
Compression unit possesses such as Rotary Compressor structure, Rotary Compressor structure possess cylinder main body, supporting rotating shaft it is upper
Portion's bearing and lower bearing etc..The refrigerant being formed in the cylinder chamber of cylinder main body is drawn into be pressed by the rotation of the roller in cylinder chamber
After contracting, it is discharged to by tap and dump valve in muffler (discharge chamber).Afterwards, the refrigerant being discharged in muffler is sent
To the motor-side in the closed container (housing) of compressor.
Such as the record of following patent documents 1, muffler is such as substantially bowl-like shape, is installed in the way of covering dump valve
In upper bearing.Patent Document 1 discloses herein below：Rib is integrally formed at the upper bearing as framework, and makes framework
Rigidity raising.
Prior art literature
Patent document
Patent document 1：No. 3301837 publications of Japanese Patent No.
The content of the invention
Problems to be solved by the invention
In above-mentioned Rotary Compressor structure, because the refrigerant being discharged in muffler is compressed and high in cylinder chamber
Wen Hua, therefore, can be heated during operating to the tectosome of muffler and upper bearing etc..As a result, being drawn into cylinder chamber
Comparison low temperature refrigerant by upper bearing etc. be heated.Therefore, the suction of Rotary Compressor structure and compression temperature rising
Refrigerant, therefore degradation in efficiency.
In addition, it is different from patent document 1, the upper bearing of rib is not being formed, and its rigidity is weaker, thus, for example can be upper
The eigenvalue (1kHz or so) of the low frequency region of portion's bearing resonates.As a result, with bearing and drive shaft (rotary shaft)
Generation elastic deformation and the problem of noise increases.
The present invention is to propose in light of this situation, and its object is to provide a kind of to improve the rigidity and drop of bearing
The compressor of the low heat transfer to cylinder main body.
Technical scheme
In order to solve the above problems, compressor of the invention uses following structure.
That is, compressor of the invention possesses：The cylinder main body of Rotary Compressor structure；Bearing, is arranged at the cylinder main body
One surface side, supports drive shaft；And plate portion, a surface side of the bearing is arranged at, the bearing has the institute from the bearing
The wall portion of the upright setting of one side and the radial direction formation along the bearing is stated, the compressor is formed with：Refrigerant throughput,
Surrounded by the wall portion and the plate portion, and the refrigerant circulation for being discharged from the cylinder main body；And insulation part, by described
Wall portion and the plate portion are surrounded, and are separated by the wall portion and the plate portion with the refrigerant throughput, are made described
Refrigerant does not circulate.
According to this composition, in addition to making the refrigerant throughput that refrigerant circulates, it is also formed with making refrigerant not circulate
Insulation part, insulation part by along bearing radial direction formation wall portion and be arranged at bearing a surface side plate portion, with system
Cryogen throughput is separated.As a result, insulation part, which turns into the heat for making refrigerant and having, is difficult to the insulated space transmitted, it can subtract
The temperature of few cylinder main body rises, and mitigates the temperature rising of the refrigerant for the suction side for flowing through cylinder main body.Refrigerant throughput connects
By the refrigerant discharged from cylinder main body, and play erasure effect.
Further, since wall portion uprightly sets from the one side of bearing and formed along the radial direction of bearing, therefore axle can be improved
The rigidity held.
In addition, in order that separating between refrigerant throughput and insulation part, wall portion is for example from the center of bearing to different two
Individual direction is extended.It is preferred that angle, wall portion and angle formed by first rib formed by two wall portions are less than 180 °.Thereby, it is possible to enter
One step improves the rigidity of bearing.
In the present invention as stated above, the bearing can also have the one side from the bearing upright in the insulation part
Set and along the bearing radial direction formation first rib.
According to this composition, wall portion is not only formed in radial direction of the one side along bearing of bearing, first rib is also formed.Cause
This, it is possible to increase the rigidity of bearing.
In the present invention as stated above, can also：At least provided with two cylinder main bodys, the bearing circulates in the refrigerant
Also there is the second rib of the radial direction formation uprightly set from the one side of the bearing and along the bearing in portion, it is described
Refrigerant throughput is at least separated into two separated spaces by second rib, and the refrigerant from cylinder main body described in one is arranged
Go out to separated space described in one, the refrigerant from another cylinder main body is discharged to another separated space.
According to this composition, the refrigerant throughput that refrigerant circulates is set to be divided into two separated spaces by the second rib.In
It is that the refrigerant discharged from a cylinder main body is flowed through in a separated space, is flowed through in another separated space from the discharge of another cylinder main body
Refrigerant.Therefore, from a cylinder main body and the refrigerant of another cylinder main body discharge in the separated space stream of refrigerant throughput
Lead to and by noise reduction.
In the present invention as stated above, can also：In separated space described at least two, enable the refrigerant to be passed to separately from a side
One side, the tap for being simply formed with making refrigerant discharge from the separated space at one in the plate portion.
According to this composition, the refrigerant supplied from the refrigerant of cylinder main body supply and from another cylinder main body is in cold-producing medium stream
Refrigerant behind the separated space interflow in logical portion, interflow is only discharged via the tap for being formed at plate portion from separated space.Its
As a result, when setting a cylinder main body and another cylinder main body, it is not necessary to be separately arranged on the outside interflow refrigerant of compression mechanism
Component.
In the present invention as stated above, second rib can also be formed with the bearing radial direction excision a part cut
Oral area, to enable the refrigerant to be passed to the opposing party from a side in separated space described at least two.
According to this composition, the notch due to refrigerant via the second rib circulates, even if therefore will not in addition to notch
The height of second rib is set to relatively low, and refrigerant can also circulate between at least two separated spaces.Therefore, with order to separate sky
Between refrigerant is passed to the opposing party from a side, the height of the second rib is all set to relatively low situation along the radial direction of bearing
Compare, it is possible to increase rigidity.
In the present invention as stated above, the plate portion can also equivalent to second rib position formed groove portion, so as to
Separated space described at least two enables the refrigerant to be passed to the opposing party from a side.
According to this composition, because refrigerant circulates via the groove portion for being formed at plate portion, even if therefore not by the height of the second rib
Degree is set to relatively low, and refrigerant can also circulate between at least two separated spaces.Therefore, with order to make refrigerant in separated space
The opposing party is passed to from a side, the height of the second rib is all set to relatively low situation and in the second rib along the radial direction of bearing
The situation for being partially formed notch compare, it is possible to increase rigidity.
Beneficial effect
In accordance with the invention it is possible to improve the rigidity of bearing by wall portion, and the heat transfer to cylinder main body is reduced, therefore, it is possible to
The temperature for reducing cylinder main body rises, and mitigates the temperature rising of the refrigerant for the suction side for flowing through cylinder main body.
Brief description of the drawings
Fig. 1 is the profilograph for the compressor for representing the first embodiment of the present invention.
Fig. 2 is the drawing in side sectional elevation of the cylinder main body for the compressor for representing the first embodiment of the present invention.
Fig. 3 is the upper bearing and the top view of muffler plate for the compressor for representing the first embodiment of the present invention.
Fig. 4 is the top view of the upper bearing for the compressor for representing the first embodiment of the present invention.
Fig. 5 is the profilograph after the V-V lines cut-out by Fig. 3.
Fig. 6 is the profilograph after the line VI -- VI cut-out by Fig. 4.
Fig. 7 is upper bearing and the outline vertical section of muffler plate for the compressor for representing the first embodiment of the present invention
Figure.
Fig. 8 is the upper bearing for the compressor for representing second embodiment of the present invention and the top view of muffler plate.
Fig. 9 is the top view of the upper bearing for the compressor for representing second embodiment of the present invention.
Figure 10 is the upper bearing for the compressor for representing second embodiment of the present invention and the outline vertical profile of muffler plate
Face figure.
Figure 11 is to represent that the first of second embodiment of the present invention improves the upper bearing and muffler of the compressor of example
The outline profilograph of plate.
Figure 12 is to represent that the second of second embodiment of the present invention improves the upper bearing and muffler of the compressor of example
The outline profilograph of plate.
Figure 13 is to represent that the 3rd of second embodiment of the present invention improves the upper bearing and muffler of the compressor of example
The outline profilograph of plate.
Figure 14 is to represent that the 4th of second embodiment of the present invention improves the upper bearing and muffler of the compressor of example
The top view of plate.
Embodiment
[first embodiment]
Hereinafter, the compressor 1 of the first embodiment of the present invention is illustrated referring to the drawings.As shown in figure 1, this implementation
The helicoid compressor 1 of multi-cylinder of mode possesses top and bottom and passes through closed columnar closed of upper lid 3 and lower cover 4
Container 2, the top position inside it sets motor 5, and the Rotary Compressor structure 6 driven by the motor 5 is arranged under it
Square position.
The lower, outer perimeter of closed container 2 is provided with installation foot 7.Run through top in addition, being set on the top of closed container 2
The higher pressure refrigerant gas compressed by the helicoid compressor 1 of multi-cylinder is discharged to system by the discharge pipe arrangement 8 of cover 3, discharge pipe arrangement 8
SAPMAC method side.Moreover, the peripheral part in closed container 2 is equipped with gas-liquid separator (accumulator) 9, gas-liquid separator 9 will
The liquid component separation of contained oil, liquid refrigerant etc. in the refrigerant gas of the low pressure returned from kind of refrigeration cycle side, and be situated between
Gas componant is only set to suck compression mechanism 6 by suction pipe arrangement 10,11.
Motor 5 possesses stator 12 and rotor 13.Stator 12 is fixedly installed on the inner peripheral surface of closed container 2 by press-in etc..
Rotor 13 is combined and is integrally formed with drive shaft 14, thus, and the rotary driving force of rotor 13 can be delivered to via drive shaft 14
Compression mechanism 6.In addition, in the lower portion of drive shaft 14, the first roller 24 and second of correspondence Rotary Compressor structure 6 described later
Roller 25 is provided with the first cam pin 15 and the second cam pin 16.
Rotary Compressor structure 6 is two cylinder types in the present embodiment, and its first and second compression mechanism 6A, 6B is formed
There are the first cylinder chamber 17 and second cylinder chamber 18.Compression mechanism 6 is also equipped with the first cylinder main body 19 and the second cylinder main body 20, dividing plate (interval
Plate) 21, upper bearing 22, lower bearing 23 etc..
First cylinder main body 19 and the second cylinder main body 20 correspond to the first cam pin 15 and the second cam pin 16 of drive shaft 14,
And be fixedly installed in closed container 2.Dividing plate 21 is installed between the first cylinder main body 19 and the second cylinder main body 20, divides the first cylinder
Room 17 and second cylinder chamber 18.Upper bearing 22 is arranged at the upper surface of the first cylinder main body 19, divides the first cylinder chamber 17, and support
Drive shaft 14.Lower bearing 23 is arranged at the lower surface of the second cylinder main body 20, divides second cylinder chamber 18, and support drive shaft
14。
First and second compression mechanism 6A, 6B possesses the first roller 24 and the second roller 25 and blade 28 and 29 respectively.
First roller 24 and the second roller 25 are rotatably embedded in the first cam pin 15 and the second cam pin 16 respectively,
Rotated in one cylinder chamber 17 and second cylinder chamber 18.First cam pin 15 and the second cam pin 16 are combined with drive shaft 14, and with driving
Axle 14 is rotated integrally together.Axis of the center of gravity relative to drive shaft 14 of the second roller 25 of the second cam pin 16 is embedded in positioned at embedding
Together in the opposite side of the center of gravity of the first roller 24 of the first cam pin 15.
As shown in Fig. 2 blade 28 and 29, which is sliding freely entrenched in, is arranged at the first cylinder main body 19 and the second cylinder main body 20
Blade groove 26,27, by the first cylinder chamber 17 and second cylinder chamber 18 at intervals of suction chamber side and discharge room side.
The refrigerant gas of low pressure is inhaled into first and second compression from suction pipe arrangement 10,11 via suction inlet 30,31
In the first cylinder chamber 17 and second cylinder chamber 18 of mechanism 6A, 6B.
After the refrigerant gas being inhaled into the first cylinder chamber 17 is compressed by the rotation of the first roller 24, via tap
And dump valve (omitting diagram) is discharged to the refrigerant throughput 38 of upper bearing 22 described later, is then discharged to muffler 32
It is interior.Muffler 32 is such as substantially bowl-like shape, and top is installed in the way of covering tap and dump valve (omitting diagram)
Bearing 22.After the refrigerant gas being drawn into second cylinder chamber 18 is compressed by the rotation of the second roller 25, via tap and
Dump valve is discharged in muffler 32.After the refrigerant gas being discharged in muffler 32 is discharged in closed container 2, through row
Go out pipe arrangement 8 and be sent to kind of refrigeration cycle.
Constitute the first cylinder main body 19 and the second cylinder main body 20, dividing plate 21, upper bearing 22 and bottom axle of compression mechanism 6
23 are held to fasten and be fixed as one via bolt.In addition, the underfill in closed container 2 has the refrigeration such as PAG oil, POE oil
Machine oil 34, can be via the lubricant housings fuel feeding into compression mechanism 6 such as oil supplying hole being arranged in drive shaft 14.In refrigerator
Appropriate be added with is adapted to various oily high-tension lubrication oil additives in oil 34.It should be noted that to the fuel feeding of compression mechanism 6
Mechanism is usually used composition, herein detailed description will be omitted.
First balance weight 35 be arranged at the upper surface of rotor 13, the i.e. side of the axis direction of drive shaft 14 and with compression
The face for the opposite side in side that mechanism 6 is located at.In addition, the center of gravity of the first balance weight 35 is located at the relative to the axis of drive shaft 14
The opposite side of the center of gravity of one roller 24.Second balance weight 36 is arranged at the lower surface of rotor 13, the i.e. axis direction of drive shaft 14
The face for the side that opposite side and compression mechanism 6 are located at.In addition, axle of the center of gravity relative to drive shaft 14 of the first balance weight 36
Line is located at the opposite side of the center of gravity of the first roller 25.
First balance weight 35 and the second balance weight 36 are set by the upper and lower surface in rotor 13, first is put on
The centrifugal force of the balance weight 36 of balance weight 35 and second can be with produced by the rotation by the first roller 24 and the second roller 25, application
Balance is obtained in the centrifugal force of the first roller 24 and the second roller 25.
Multiple steel plate mutually insulateds of rotor 13 and in the axially stacked of drive shaft 14.Steel plate is the one of magnetic holding plate
Example, or other magnetic holding plates.By stacked steel plate, suppress the generation of vortex flow.Each steel plate is configured to rotor 13
Outer surface on the same face.Therefore, the gap being formed between stator 12 and rotor 13 (is also referred to as air gap.) be spaced in week
To fixation.Air gap also depends on size of motor 5 etc., but is, for example, from 100 μm to hundreds of μm.
Then, reference picture 3 upper bearing 22 of present embodiment is described in detail to Fig. 6.
Upper bearing 22 is disc-shape, in the cylindrical portion 37 for being provided centrally with running through for drive shaft 14.Upper bearing 22
The lower surface for being set to upper bearing 22 contacts the upper surface of the first cylinder main body 19, and the outer peripheral face of upper bearing 22 is fixed on closed
Container 2.
Refrigerant throughput 38 and insulation part 39 are formed in the upper surface of the side of motor 5 of upper bearing 22.
Refrigerant throughput 38 is to be formed in the upper surface side of upper bearing 22 by the shape being recessed with downward surface direction
Recess 40 and be arranged at upper bearing 22 upper surface the space that is surrounded of muffler plate 42.
In addition, insulation part 39 is also to be formed in the upper surface side of upper bearing 22 by the shape being recessed with downward surface direction
And it is formed at what the recess 41 and muffler plate 42 of the parts different from the recess 40 for constituting refrigerant throughput 38 were surrounded
Space.
Muffler plate 42 has circular plate shape, is formed centrally within the through hole run through for the cylindrical portion 37 of upper bearing 22
43。
The recess 40,41 of upper surface side of upper bearing 22 is formed at by periphery wall 44, center wall 45 and the institute of next door rib 46
Surround.Periphery wall 44 is roughly parallel to the outer peripheral face of upper bearing 22, is arc-shaped.Center wall 45 is roughly parallel to cylindrical portion 37
Outer peripheral face, be arc-shaped.
The lateral different both direction shape in center of radial direction of the next door rib 46 along upper bearing 22 from upper bearing 22
Into.Next door rib 46 is arranged between periphery wall 44 and center wall 45.Next door rib 46 is in prominent relative to the platen surface of upper bearing 22
Uprightly set shape.Thus, upper bearing 22 turns into rib the state of a surface side is formed at along radial direction, and in upper bearing 22
The situation for not having rib is compared, the rigidity raising of upper bearing 22.
In refrigerant throughput 38, tap 47 is formed with upper bearing 22.Dump valve is provided with tap 47 (not
Diagram).Refrigerant throughput 38 is fed into via the refrigerant that tap 47 is discharged from the first cylinder chamber 17.Refrigerant is temporarily store
Behind the inside for being stored in refrigerant throughput 38, via the tap 48 for being formed at muffler plate 42, from the row of refrigerant throughput 38
Go out to the side of motor 5 in closed container 2.
Insulation part 39 is separated by next door rib 46 with refrigerant throughput 38, unlike refrigerant circulates inside insulation part 39
Portion 38 is fed with the refrigerant from the first cylinder chamber 17 or the discharge of second cylinder chamber 18 like that, in addition, also will not be from refrigerant throughput
38 flow into refrigerant.
Rib (first rib) 49 is provided with insulation part 39, radial direction of the rib 49 along upper bearing 22 is formed.Therefore, exist
The upper surface of upper bearing 22, is aggregated in along rib portions and the two next door ribs 46 of radial direction projection and circumferentially at least forms three
Bar.Thus, the upper surface of upper bearing 22 is also reinforced, upper axis not only by next door rib 46 by the rib 49 of insulation part 39
The rigidity for holding 22 is improved.As a result, compared with situation of the rib portions for two, being difficult to bend in low frequency region
Pattern, it is difficult to resonate.
The height of rib 49 can be the height from the bottom of recess 41 untill the lower surface of contact muffler plate 42, also may be used
The height of the lower surface that contacts muffler plate 42 is not thought.It should be noted that the height of rib 49 is higher, it can more improve
The rigidity of portion's bearing 22.
It is preferred that formed angle is less than 180 ° each other for adjacent rib 49 and angle formed by next door rib 46 or adjacent next door rib 46.
In this case, compared with situation of the formed angle for 180 °, it is difficult to beam mode occur in low frequency region, it is difficult to occur altogether
Shake.
In upper bearing 22, the position beyond refrigerant throughput 38 and insulation part 39 forms through hole 50.Through
Flow through the refrigerant from second cylinder chamber 18 in hole 50.Refrigerant through through hole 50 is discharged in muffler 32.
Multiple bolts hole 51 are formed with upper bearing 22.Through muffler plate 42, the first cylinder main body 19 and the second cylinder master
Body 20, dividing plate 21, the bolt-through bolt hole 51 of upper bearing 22 and lower bearing 23, and by bolt, these each constitute will
Element is fastened to one.
More than, according to present embodiment, as shown in fig. 7, in upper bearing 22, except the cold-producing medium stream for making refrigerant circulate
Beyond logical portion 38, the insulation part 39 for making refrigerant not circulate is also formed with, insulation part 39 is by along the radius side of upper bearing 22
To formation next door rib 46 and be arranged at upper bearing 22 upper surface side the grade of muffler plate 42 and refrigerant throughput 38 every
Open.Further, since there is the air or refrigerant oil of the refrigerant low temperature than being discharged from the first cylinder chamber 17 inside insulation part 39,
Therefore, insulation part 39 is difficult to the insulated space transmitted as the heat that refrigerant has.Fig. 7 is the compression for representing present embodiment
The upper bearing of machine and the outline profilograph of muffler plate.
Therefore, insulation part 39 can reduce the institute such as the refrigerant by being discharged from the first cylinder chamber 17 and the refrigerant of the side of motor 5
The temperature of first and second caused compression mechanism 6A, 6B rises, and mitigates and be drawn into the first cylinder chamber 17 and second cylinder chamber 18
The temperature of refrigerant rises.In addition, the refrigerant that the interim storage of refrigerant throughput 38 is discharged from the first cylinder chamber 17, makes discharge system
Sound attenuating during cryogen, plays erasure effect.
[second embodiment]
Next, reference picture 8 is illustrated to the compressor of second embodiment of the present invention to Figure 10.In addition, pair with
The inscape detailed description will be omitted that first embodiment is repeated.
In the above-described first embodiment, the situation for not forming rib in refrigerant throughput 38 is illustrated, but
It is that the present invention is not limited to the example, in the present embodiment, rib (the second rib) 52 is formed in refrigerant throughput 38.
Specifically, radial direction of the rib 52 in refrigerant throughput 38 along upper bearing 22 is formed.Thus, in upper axis
Hold 22 upper surface, along upper bearing 22 radial direction projection rib portions not only by next door rib 46, the rib of insulation part 39
49, also formed by the rib 52 of refrigerant throughput 38.Thus, in the upper surface of upper bearing 22, along the rib of radial direction projection
Shape part at least forms four circumferential.Thus, the rigidity raising of upper bearing 22.As a result, being two with rib portions
Or the situation of three is compared, it is difficult to beam mode occur in low frequency, it is difficult to resonate.
Being formed at the rib 52 of refrigerant throughput 38 has the height for not contacting muffler plate 42.Thus, although in refrigeration
Be formed with rib 52 in agent throughput 38, but refrigerant can refrigerant throughput 38 internal circulation.
Between rib 52 is clipped in by refrigerant throughput 38, and it is divided into the first separated space 38A and the second separated space
38B。
In upper bearing 22, tap 53 is formed with the first separated space 38A of refrigerant throughput 38, at second point
Tap 54 is formed with from space 38B.In the tap 53 for being formed at the first separated space 38A, dump valve (not shown) is set.
The refrigerant discharged from the first cylinder chamber 17 via tap 53 is supplied to the first separated space 38A, is discharged from second cylinder chamber 18
Refrigerant is supplied to the second separated space 38B via tap 54.
In muffler plate 42, a tap 55 is formed at the first separated space 38A sides.
Refrigerant is temporarily stored in the first separated space 38A of refrigerant throughput 38 inside and the second separated space
38B inside.The refrigerant for being stored in the second separated space 38B flows into the first separated space 38A, and sky is separated with being stored in first
Between 38A inside refrigerant interflow.Then, via the tap that the first separated space 38A sides are formed in muffler plate 42
55, the side of motor 5 into closed container 2 is discharged from the first separated space 38A.
It should be noted that the first separation can also be not formed in the tap 55 that muffler plate 42 is simply formed with one
Space 38A sides and be formed at the second separated space 38B sides.In this case, refrigerant flows to second from the first separated space 38A
Separated space 38B.
According to present embodiment, in refrigerant throughput 38, the refrigerant discharged from the first cylinder chamber 17 and from second cylinder chamber
The refrigerant interflow of 18 discharges, therefore, there is no need to separately set the component for collaborating refrigerant in the outside of upper bearing 22.
Further, since the refrigerant from second cylinder chamber 18 is imported into the second separated space 38B, thus with directly through upper
The first embodiment that the through hole 50 of portion's bearing 22 is discharged to the outside is different, the increase of muffler exponent number.Therefore, by this implementation
The compressor of mode, erasure effect is improved.
Moreover, as shown in Figure 10, in the present embodiment also in upper bearing 22, except the refrigerant for making refrigerant circulate
Beyond throughput 38, the insulation part 39 for making refrigerant not circulate is also formed with, insulation part 39 passes through the radius along upper bearing 22
Direction formed next door rib 46 and be arranged at upper bearing 22 upper surface side the grade of muffler plate 42 and refrigerant throughput 38
Separate.Further, since in the presence of the refrigerant low temperature than being discharged from the first cylinder chamber 17 or second cylinder chamber 18 inside insulation part 39
Air or refrigerant oil, therefore, the heat that insulation part 39 turns into refrigerant and had are difficult to the insulated space transmitted.
Therefore, insulation part 39 can reduce by discharged from the first cylinder chamber 17 and second cylinder chamber 18 refrigerant, motor 5 side
The temperature of first and second compression mechanism 6A, 6B caused by refrigerant etc. rises, and mitigates and be drawn into the first cylinder chamber 17 and the
The temperature of the refrigerant of two cylinder chambers 18 rises.
It should be noted that in the above description, it is empty that the refrigerant discharged from second cylinder chamber 18 is fed into the second separation
Between 38B, but the present invention is not limited to the example.For example can also, from second cylinder chamber 18 discharge refrigerant be not supplied to refrigeration
Agent throughput 38, as shown in figure 11, in upper bearing 22 only in the second separated space 38B formation taps 56, via tap
56 make to be supplied to the second separated space 38B from the refrigerant that the first cylinder chamber 17 is discharged.
In muffler plate 42, a tap 57 is formed at the first separated space 38A sides.
In this case, refrigerant is temporarily stored in the second separated space 38B of refrigerant throughput 38 inside, flow direction
First separated space 38A.Then, via the tap 57 that the first separated space 38A sides are formed in muffler plate 42, from first
Separated space 38A discharges the side of motor 5 into closed container 2.
Same with first embodiment, the refrigerant from second cylinder chamber 18 will not be stored in refrigerant throughput 38, and
The side of motor 5 into closed container 2 is discharged directly through the through hole (not shown) of upper bearing 22.
In the above-described embodiment, to radial direction of the rib 52 along upper bearing 22 not contact the height of muffler plate 42
The situation of setting is illustrated, but the present invention is not limited to the example.For example, as shown in figure 12, can also be formed in rib 52
The notch 58 that with a portion of excision of radial direction, the other parts of rib 52 are carried out with the height for contacting muffler plate 42
Set.In this case, refrigerant is via being formed at the notch 58 of rib 52 in the first separated space 38A and the second separated space
Circulated between 38B.
According to improvement example, the height of rib 52 is all set to relatively low situation phase with the radial direction along upper bearing 22
Than, it is possible to increase the rigidity of upper bearing 22.Further, since muffler plate 42 is contacted with rib 52, therefore the muffler plate of tabular
42 are also difficult to deform, and flow path area can be made to keep fixed for a long time, reliability is also improved.Also, also easily will system
The area that cryogen circulates between the first separated space 38A and the second separated space 38B is set to smaller, and can also improve noise reduction
Effect.
In addition, in the above-described embodiment, to the height of rib 52 is set into relatively low or otch is formed in a part for rib 52
Portion 58 and the situation that makes refrigerant circulate is illustrated, but the present invention is not limited to the example.For example, as shown in figure 13, also may be used
So that in the face of the side of refrigerant throughput 38 of muffler plate 42, groove portion 59 is formed in the position suitable with the position of rib 52.Groove portion
59 and rib 52 set spaced apart from each other, refrigerant circulates between groove portion 59 and rib 52.
According to improvement example, refrigerant is via being formed at the groove portion 59 of muffler plate 42 in the first separated space 38A and the
Circulated between two separated space 38B, accordingly it is also possible to the height of rib 52 is not set into relatively low.Therefore, with along upper bearing 22
The height of rib 52 is all set to relatively low situation and compared with the situation for being partially formed notch 58 in rib 52 by radial direction, energy
Enough improve the rigidity of upper bearing 22.
In addition, the groove portion 59 for being formed at muffler plate 42 can also be by relative to 42 pairs of the muffler plate formed by thin plate
Part equivalent to groove portion 59 carries out bending machining and formed.In this case, with the phase of muffler plate 42 without groove portion 59
Than so the rigidity of muffler plate 42 can also be improved.Further, since muffler plate 42 is fastened by bolts with upper bearing 22
It is integrated, it is possible to increase the rigidity of the combination of muffler plate 42 and upper bearing 22.
It should be noted that the groove portion for being formed at muffler plate 42 is not limited to be formed by bending machining, can also
Concavity is scraped out by the part that will be equivalent to groove portion relative to flat muffler plate 42 and formed.
Also, in the above-described embodiment, to setting the separation of the first separated space 38A and second in refrigerant throughput 38
The situation that refrigerant circulates between the first separated space 38A and the second separated space 38B during the 38B of space is illustrated, but
The present invention is not limited to the example.Rib 52 is set in the four corner of the radial direction of upper bearing 22 connect with muffler plate 42
Touch, the first separated space 38A and the second separated space 38B can also be separated by rib 52.
In this case, as shown in figure 9, in upper bearing 22, refrigerant throughput 38 the first separated space 38A and
Second separated space 38B is respectively formed with tap 53,54.It is provided with the tap 53 for being formed at the first separated space 38A
Dump valve.
In addition, as shown in figure 14, in muffler plate 42, in the first separated space 38A and the second separated space 38B difference shapes
Into there is tap 60,61.
The refrigerant discharged from the first cylinder chamber 17 via tap 53 is supplied to the first separated space 38A, is temporarily stored in
First separated space 38A of refrigerant throughput 38 inside, the first separated space 38A sides are formed at via in muffler plate 42
Tap 60, the side of motor 5 into closed container 2 is discharged from the first separated space 38A.In addition, being discharged from second cylinder chamber 18
Refrigerant be supplied to the second separated space 38B via tap 54, be temporarily stored in refrigerant throughput 38 second separation
Space 38B inside, it is empty from the second separation via the tap 61 that the second separated space 38B sides are formed in muffler plate 42
Between 38B discharge the side of motor 5 into closed container 2.
Now, refrigerant will not circulate between the first separated space 38A and the second separated space 38B.In this case,
The first separated space 38A and the second separated space 38B is stored in respectively also by refrigerant to play erasure effect.
It should be noted that the situation for setting muffler 32 is illustrated in the above-described embodiment, but the present invention
The example is not limited to, can also be applied to be not provided with the situation of muffler 32.In addition, many to being provided with the above-described embodiment
The situation of the helicoid compressor of multi-cylinder of individual compression mechanism is illustrated, but it is also suitable for the feelings of an only compressor structure
Condition.
Symbol description
1 compressor
2 closed containers
5 motors
6 compression mechanisms
The compression mechanisms of 6A first
The compression mechanisms of 6B second
8 discharge pipe arrangements
9 gas-liquid separators
10th, 11 suction pipe arrangement
12 stators
13 rotors
14 drive shafts
17 first cylinder chambers
18 second cylinder chambers
19 first cylinder main bodys (cylinder main body, a cylinder main body)
20 second cylinder main bodys (cylinder main body, another cylinder main body)
21 dividing plates
22 upper bearings (bearing)
23 lower bearings
30th, 31 suction inlet
32 mufflers
37 cylindrical portions
38 refrigerant throughputs
The separated spaces of 38A first (separated space, a separated space)
The separated spaces of 38B second (separated space, another separated space)
39 insulation parts
40th, 41 recess
42 muffler plates (plate portion)
43rd, 50 through hole
44 periphery walls
45 center walls
46 next door ribs (wall portion)
47th, 48 tap
49 ribs (first rib)
51 bolts hole
52 ribs (first rib)
53rd, 54,55,56,57 tap
58 notch
59 groove portions
60th, 61 tap
Claims (6)
1. a kind of compressor, possesses：
The cylinder main body of Rotary Compressor structure；
Bearing, is arranged at a surface side of the cylinder main body, supports drive shaft；And
Plate portion, is arranged at a surface side of the bearing,
The bearing has the wall portion of the radial direction formation uprightly set from the one side of the bearing and along the bearing,
The compressor is formed with：
Refrigerant throughput, is surrounded by the wall portion and the plate portion, and the refrigerant circulation for being discharged from the cylinder main body；
And
Insulation part, is surrounded by the wall portion and the plate portion, and passes through the wall portion and the plate portion and the refrigerant
Throughput is separated, and the refrigerant is not circulated.
2. compressor according to claim 1, wherein,
The bearing also has in the insulation part uprightly to be set from the one side of the bearing and along the half of the bearing
The first rib that footpath direction is formed.
3. compressor according to claim 1 or 2, wherein,
At least provided with two cylinder main bodys,
The bearing also has in the refrigerant throughput uprightly to be set from the one side of the bearing and along the axle
Second rib of the radial direction formation held,
The refrigerant throughput is at least separated into two separated spaces by second rib,
Refrigerant from cylinder main body described in one is discharged to separated space described in one, the refrigerant from another cylinder main body
It is discharged to another separated space.
4. compressor according to claim 3, wherein,
In separated space described at least two, refrigerant can be passed to the opposing party from a side, one is simply formed with the plate portion
Place makes the tap that refrigerant is discharged from the separated space.
5. the compressor according to claim 3 or 4, wherein,
The radial direction that second rib is formed with the bearing has cut off the notch of a part, so as at least two institutes
The opposing party can be passed to from a side by stating refrigerant described in separated space.
6. the compressor according to claim 3 or 4, wherein,
In the plate portion, groove portion is formed with the position equivalent to second rib, so as in separated space described at least two
The refrigerant can be passed to the opposing party from a side.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-043500 | 2015-03-05 | ||
| JP2015043500A JP6548915B2 (en) | 2015-03-05 | 2015-03-05 | Compressor |
| PCT/JP2015/086488 WO2016139873A1 (en) | 2015-03-05 | 2015-12-28 | Compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107250545A true CN107250545A (en) | 2017-10-13 |
Family
ID=56846557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580076550.4A Pending CN107250545A (en) | 2015-03-05 | 2015-12-28 | Compressor |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3249228B1 (en) |
| JP (1) | JP6548915B2 (en) |
| CN (1) | CN107250545A (en) |
| WO (1) | WO2016139873A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843578A (en) * | 2018-06-19 | 2018-11-20 | 安徽美芝精密制造有限公司 | Compression mechanism and compressor with it |
| CN113339266A (en) * | 2020-03-02 | 2021-09-03 | 瑞智精密股份有限公司 | Pumping exhaust mechanism |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018076802A (en) * | 2016-11-08 | 2018-05-17 | 株式会社富士通ゼネラル | Rotary Compressor |
| JP2022093072A (en) | 2020-12-11 | 2022-06-23 | 三菱重工サーマルシステムズ株式会社 | Rotary compressor |
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|---|---|---|---|---|
| JP2749940B2 (en) * | 1989-03-09 | 1998-05-13 | エンプレサ・ブラジレイラ・デイ・コンプレソレス・エシ・アーエンブラク | Discharge system for rolling piston rotary compressor |
| WO2009001680A1 (en) * | 2007-06-25 | 2008-12-31 | Daikin Industries, Ltd. | Rotary compressor |
| WO2013073182A1 (en) * | 2011-11-16 | 2013-05-23 | パナソニック株式会社 | Rotary compressor |
| JP2013238132A (en) * | 2012-05-14 | 2013-11-28 | Daikin Industries Ltd | Compressor |
| JP2014080875A (en) * | 2012-10-15 | 2014-05-08 | Daikin Ind Ltd | Compressor |
| CN104314815A (en) * | 2014-09-22 | 2015-01-28 | 安徽美芝精密制造有限公司 | Multi-cylinder rotary compressor |
| CN106460848A (en) * | 2014-06-11 | 2017-02-22 | 大金工业株式会社 | Compressor |
-
2015
- 2015-03-05 JP JP2015043500A patent/JP6548915B2/en active Active
- 2015-12-28 EP EP15884039.7A patent/EP3249228B1/en active Active
- 2015-12-28 WO PCT/JP2015/086488 patent/WO2016139873A1/en active Application Filing
- 2015-12-28 CN CN201580076550.4A patent/CN107250545A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2749940B2 (en) * | 1989-03-09 | 1998-05-13 | エンプレサ・ブラジレイラ・デイ・コンプレソレス・エシ・アーエンブラク | Discharge system for rolling piston rotary compressor |
| WO2009001680A1 (en) * | 2007-06-25 | 2008-12-31 | Daikin Industries, Ltd. | Rotary compressor |
| WO2013073182A1 (en) * | 2011-11-16 | 2013-05-23 | パナソニック株式会社 | Rotary compressor |
| JP2013238132A (en) * | 2012-05-14 | 2013-11-28 | Daikin Industries Ltd | Compressor |
| JP2014080875A (en) * | 2012-10-15 | 2014-05-08 | Daikin Ind Ltd | Compressor |
| CN106460848A (en) * | 2014-06-11 | 2017-02-22 | 大金工业株式会社 | Compressor |
| CN104314815A (en) * | 2014-09-22 | 2015-01-28 | 安徽美芝精密制造有限公司 | Multi-cylinder rotary compressor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843578A (en) * | 2018-06-19 | 2018-11-20 | 安徽美芝精密制造有限公司 | Compression mechanism and compressor with it |
| CN113339266A (en) * | 2020-03-02 | 2021-09-03 | 瑞智精密股份有限公司 | Pumping exhaust mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3249228B1 (en) | 2021-01-27 |
| EP3249228A1 (en) | 2017-11-29 |
| JP2016160911A (en) | 2016-09-05 |
| WO2016139873A1 (en) | 2016-09-09 |
| EP3249228A4 (en) | 2018-01-24 |
| JP6548915B2 (en) | 2019-07-24 |
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Application publication date: 20171013 |