CN203822574U - Electric compressor - Google Patents
Electric compressor Download PDFInfo
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- CN203822574U CN203822574U CN201420153341.8U CN201420153341U CN203822574U CN 203822574 U CN203822574 U CN 203822574U CN 201420153341 U CN201420153341 U CN 201420153341U CN 203822574 U CN203822574 U CN 203822574U
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- electric machine
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Abstract
The utility model provides an electric compressor which comprises casings, a motor rotor, a motor stator, a spindle, a inclined plate, pistons, a cylinder, a valve plate and a cylinder rear cover, wherein the casings comprise a motor casing and a cylinder casing; the opening end of the cylinder casing is nested and connected to the opening end of the motor casing; the inner side of the opening of the motor casing is sleeved with a flange used for supporting and fixing the spindle; an exhaust cavity of the cylinder is formed between the cylinder rear cover and the bottom of the cylinder casing; an exhaust port communicated with the exhaust cavity is formed in the side wall of the cylinder casing, and an air guide channel communicating a cylinder piston compression cavity with the exhaust cavity is formed in the cylinder rear cover; and an air inlet cavity is formed in the center of the cylinder rear cover, an air inlet hole communicated with the air inlet cavity is formed in the center of the cylinder, an axial through hole is formed in the axial center of the spindle, an air inlet channel is formed among the inside bottom of the motor casing and the motor rotor and stator, an air inlet communicated with the air inlet channel is formed in the side wall of the motor casing, and the air inlet channel is communicated with the axial through hole of the spindle.
Description
[technical field]
The utility model relates to Compressor Technology, relates in particular to a kind of motor compressor.
[background technique]
Existing various types of compressor, is divided into reciprocatingly and rotary generally, and wherein reciprocal compressor is divided into crank-type, rotating sloping disk type and Wobble plate type compressor, and rotary compressor is divided into blade rotary and scroll compressor.Some compressor is called as variable displacement compressor because it can change volume.
In being typically used as the compressor of vehicle air conditioner, mostly adopt swash-plate-type compressor, the wobbler of dish type is arranged in live axle with a tilt angle, with the engagement/disengagement by electric clutch selectively, receive engine power or from motor, directly receive power to rotate by live axle, and a plurality of pistons are arranged on the surrounding of wobbler and between them, are inserted with slide block, to make linear reciprocating motion in formed a plurality of cylinder-bore with described being rotatably assorted in cylinder body, thereby refrigeration agent is sucked from vaporizer, compress and discharge towards condenser.
At present, swash-plate-type compressor is divided into single headed swash plate type and double end rotating sloping disk type, single headed swash plate type compressor is compressed in a side by wobbler driven plunger, and double end swash-plate-type compressor is compressed in both sides by wobbler driven plunger simultaneously.The main following problem of current sloping tray type electric compressor: 1, electric machine main shaft is connected by connecting sleeve mostly with compressor main shaft, when electric machine main shaft and compressor main shaft decentraction, compressor noise increases, and wearing and tearing are large, affect the working life of complete machine; 2, between electric machine casing, motor flange, compressor flange, cylinder body, constitutional detail is too much, and fitting surface is complicated, easily causes coolant leakage; 3, air-inlet cavity is arranged on swash plate chamber mostly, and motor temperature is difficult for reducing, and affects working efficiency.
[model utility content]
The utility model provide a kind of simple in structure, noise is little and reliability is high, economical and practical motor compressor.
In order to realize above-mentioned model utility object, the technical solution adopted in the utility model is:
A motor compressor, comprises casing, rotor, motor stator, main shaft, swash plate, piston, cylinder body, valve plate and cylinder body bonnet, Piston assembling straight reciprocating motion in the cylinder sleeve of cylinder body; Described casing is comprised of electric machine casing and cylinder body shell, electric machine casing and cylinder body shell be all formed in one and one end uncovered, the nested open-mouth end that is connected in electric machine casing of open-mouth end of cylinder body shell; On described main shaft, rotor is housed, the outside of rotor is provided with motor stator, and the motor stator of assembling, rotor and integrated spindle axis are installed in the interior motor room of electric machine casing, and electric machine casing inside bottom is provided with the positioning seat that fixed main shaft is installed; The uncovered inner side of described electric machine casing is also arranged with for supporting the flange plate of fixed main shaft; Between flange plate and cylinder body outer casing bottom, be set with successively cylinder body, valve plate and cylinder body bonnet, between cylinder body bonnet and cylinder body outer casing bottom, form the exhaust cavity of cylinder body, cylinder body side wall of outer shell is provided with the relief opening being communicated with exhaust cavity, and cylinder body bonnet is provided with the air guide channel that is communicated with cylinder piston compression chamber and exhaust cavity; Described main shaft stretches in cylinder body through flange plate, and swash plate is housed on main shaft, and the hemisphere that can be sleeved on swash plate both sides is housed in the ball-and-socket of piston left part; Described cylinder body bonnet center is provided with the air-inlet cavity being communicated with cylinder piston compression chamber, cylinder body center is provided with the inlet hole being communicated with air-inlet cavity, described main shaft axial centre offers the axial hole being communicated with the inlet hole at cylinder body center, between the end face of described electric machine casing inside bottom and rotor, motor stator, be also formed with gas-entered passageway, on sidewall of motor housing, offer the suction port being communicated with gas-entered passageway, described gas-entered passageway is connected through the positioning seat of electric machine casing inside bottom and the axial hole of main shaft; At rotor, to also offering to be communicated with axial hole and to be convenient to a part of refrigerant in gas-entered passageway, after rotor and motor stator, import the radial direction through hole of axial hole with the main shaft diameter between flange plate.
What further, described rotor and swash plate were coaxial is installed on integrated main shaft.
Further, in described electric machine casing inside bottom positioning seat, be also equipped with the first spring bearing that has coordinated radial support effect with main shaft; In described electric machine casing, sheathed flange plate bottom outside is also provided with the second spring bearing that has coordinated radial support effect with main shaft.
Further, on the main shaft of described swash plate both sides, be respectively fitted with the first plain thrust bearing and the second plain thrust bearing, flange plate inside bottom is fixed in the first plain thrust bearing supporting, and the inlet hole end at cylinder body center is fixed in the second plain thrust bearing supporting.
Further, described piston and valve plate arrange in the same side of swash plate.
Further, described piston and swash plate all adopt silumin material to make, the ball-and-socket working surface of described piston is a spherical working surface, two corresponding hemisphere working surfaces adopt spherical working surface, and swash plate drives two hemisphere rotational slide driven plunger straight reciprocating motions in the cylinder sleeve of cylinder body in the ball-and-socket of piston.
Further, described cylinder body be circumferentially provided with uniformly a plurality of sleeve ports, on corresponding swash plate, be equipped with the piston coordinating with each sleeve port.
Further, described cylinder body shell open-mouth end inwardly shrinks the bulge loop platform that formation one is nested in the uncovered inner side of electric machine casing, the end face of bulge loop platform and flange plate, against touching, are also equipped with the O RunddichtringO being sealed and matched with electric machine casing madial wall on bulge loop platform outer side wall.
Further: between described electric machine casing and cylinder body shell, adopt aluminum alloy material to make and be bolted and be fixed into one.
Further, described electric machine casing is also provided with the tenminal block that connects external power supply.
The beneficial effects of the utility model are:
Structure and the assembly relation of electric machine casing of the present utility model, flange plate, swash plate and cylinder body shell, when compressor operating, rotor drives swash plate to rotate by main shaft, and drive piston along moving reciprocatingly in the sleeve port of cylinder body by the hemisphere of swash plate both sides, in this process, piston action directly acts on flange plate by the first plain thrust bearing in the power of swash plate, thereby the vibration of compressor is reduced, and then makes reducing noise.
Meanwhile, piston, swash plate all adopt silumin material, have increased wear resistance, but also can weight reduction, are guaranteeing the reliable while of its usability, have reduced energy consumption and the noise of compressor; In addition, between electric machine casing and cylinder body shell, adopt aluminum alloy material to make and be bolted and be fixed into one, thereby effectively reduced the weight of compressor.
In addition, the refrigerant that this compressor inlet sucks after gas-entered passageway punishment stream respectively by after the axial hole of motor stator, rotor and main shaft, through the inlet hole at cylinder body center, the air-inlet cavity at cylinder body bonnet center enters the piston compression chamber of cylinder body; Make in working procedure to the motor stator of compressor and rotor, to carry out by refrigerant pre-cooled, reach and improve compressor life-span and effective output.
[accompanying drawing explanation]
Fig. 1 is side-looking structural representation of the present utility model;
Fig. 2 is the A-A sectional structure schematic diagram of Fig. 1;
Fig. 3 is the side-looking structure enlarged diagram that the single piston of the utility model is connected with swash plate;
Fig. 4 is the B-B sectional structure schematic diagram of Fig. 3.
[embodiment]
A kind of motor compressor, as shown in Figures 1 to 4, comprise casing, rotor 1, motor stator 2, main shaft 3, swash plate 4, piston 5, cylinder body 6, valve plate 7 and cylinder body bonnet 8, piston 5 is assemblied in the interior straight reciprocating motion of cylinder sleeve of cylinder body 6, and rotor 1 and motor stator 2 adopt DC permanent magnet or AC permanent-magnet working methods; Described casing is comprised of electric machine casing 9 and cylinder body shell 10, and electric machine casing 9 and cylinder body shell 10 are and adopt that aluminum alloy material is one-body molded and one end is uncovered, thereby have effectively reduced the weight of compressor, effectively improve the assembly connection of compressor case; The nested open-mouth end that is connected in electric machine casing 9 of open-mouth end of cylinder body shell 10, cylinder body shell 10 open-mouth ends inwardly shrink the bulge loop platform 100 that formation one is nested in electric machine casing 9 uncovered inner sides, on bulge loop platform outer side wall, be also equipped with the O RunddichtringO 91 being sealed and matched with electric machine casing 9 madial walls, electric machine casing 9 and cylinder body shell 10 are connected and fixed and are integral by bolt 20, and electric machine casing 9 is also provided with the tenminal block 21 that connects external power supply.
Continue as shown in Figures 1 to 4, rotor 1 is housed on main shaft 3, the outside of rotor 1 is provided with motor stator 2, motor stator 2, rotor 1 and main shaft 3 one of assembling are installed in the interior motor room of electric machine casing 9, and electric machine casing 9 inside bottom are provided with the positioning seat 90 that fixed main shaft 3 one end are installed; In the uncovered inner side of electric machine casing 9, be also arranged with for supporting the flange plate 11 of fixed main shaft 3, on cylinder body shell 10, the end face of bulge loop platform 100 and flange plate are against touching; Wherein, in electric machine casing 9 inside bottom positioning seats 90, be also equipped with the first spring bearing 12 that has coordinated radial support effect with main shaft 3, in interior sheathed flange plate 11 bottom outside of electric machine casing 9, be also provided with the second spring bearing 13 that has coordinated radial support effect with main shaft 3.
As shown in Figure 2, between flange plate 11 and cylinder body shell 10 bottoms, be set with successively cylinder body 6, valve plate 7 and cylinder body bonnet 8, between cylinder body bonnet 8 and cylinder body shell 10 bottoms, form the exhaust cavity 14 of cylinder body 6, cylinder body shell 10 sidewalls are provided with the relief opening 15 being communicated with exhaust cavity 14, and cylinder body bonnet 8 is provided with the air guide channel 16 that is communicated with cylinder piston compression chamber and exhaust cavity 14; Described main shaft 3 stretches in cylinder body 6 through flange plate 11, and swash plate 4 is housed on main shaft 3, and the hemisphere 17 that can be sleeved on swash plate 4 both sides is housed in the ball-and-socket 50 of piston 5 left parts.Continue as shown in Figure 2, cylinder body bonnet 8 centers are provided with the air-inlet cavity 80 being communicated with cylinder piston compression chamber, cylinder body 6 centers are provided with the inlet hole 60 being communicated with air-inlet cavity 80, in main shaft 3 axial centre, offer the axial hole 30 being communicated with the inlet hole 60 at cylinder body 6 centers, at electric machine casing 9 inside bottom and rotor 1, between the end face of motor stator 2, be also formed with gas-entered passageway 18, on electric machine casing 9 sidewalls, offer the suction port 19 being communicated with gas-entered passageway 18, gas-entered passageway 18 is connected through the positioning seat 90 of electric machine casing 9 inside bottom and the axial hole 30 of main shaft 3, at rotor 1 and main shaft 3 between flange plate 11, radially also offer to be communicated with axial hole 30 and to be convenient to the interior a part of refrigerant of gas-entered passageway 18 and after rotor 1 and motor stator 2, import the radial direction through hole 31 of axial hole 30.Like this, the refrigerant that compressor inlet 19 sucks passes through respectively the axial hole 30 of motor stator 2, rotor 1 and main shaft 3 first half sections after gas-entered passageway 18 punishment streams, at radial direction through hole 31, conflux after the laggard axial hole 30 that enters main shaft 3 back segments, through the inlet hole 60 at cylinder body 6 centers, the air-inlet cavity 80 at cylinder body bonnet 8 centers, enter cylinder, 6 piston compression chamber, make can to the motor stator 2 of compressor and rotor 1, carry out pre-cooled by refrigerant in working procedure, reach and improve the compressor life-span, effectively improve the output power of compressor.
Continue as shown in Figure 2, cylinder body 6 be circumferentially provided with uniformly a plurality of sleeve ports, on corresponding swash plate 4, be equipped with the piston 5 coordinating with each sleeve port, wherein, what rotor 1 and swash plate 4 were coaxial is installed on integrated main shaft 3, piston 5 and valve plate 7 arrange in the same side of swash plate 4, on the main shaft 3 of swash plate 4 both sides, be respectively fitted with the first plain thrust bearing 22 and the second plain thrust bearing 23, flange plate 11 inside bottom are fixed in the first plain thrust bearing 22 supportings, inlet hole 60 ends at cylinder body 6 centers are fixed in the second plain thrust bearing 23 supportings.
As shown in Figure 3 and Figure 4, in this embodiment, piston 5 and swash plate 4 all adopt silumin material to make, guaranteeing the reliable while of its usability, can effectively reduce energy consumption and the noise of compressor, suitable by this compressor application in needing the automotive air conditioning system of chiller plant, comfortable peace and quiet; The ball-and-socket working surface of piston 5 adopts spherical working surface, two corresponding hemisphere 17 working surfaces also adopt spherical working surface, facilitate swash plate 4 to drive two hemisphere 17 rotational slide driven plunger 5 straight reciprocating motions in the cylinder sleeve of cylinder body 6 in the ball-and-socket of piston 5, prevent that swash plate 4 and hemisphere 17 are stuck in the ball-and-socket 50 of piston 5, increase the reliability of compression device.
When compressor operating, rotor 1 drives swash plate 4 to rotate by main shaft 3, and drive each piston 5 along moving reciprocatingly in the sleeve port of cylinder body 6 by the hemisphere 17 of swash plate 4 both sides, in this process, the power that piston 5 acts on swash plate 4 directly acts on flange plate 11 by the first plain thrust bearing 22, thereby the vibration of compressor is reduced, and then make reducing noise.In addition, the refrigerant that this compressor inlet 19 sucks after gas-entered passageway 18 punishment streams respectively by after the axial hole 30 of motor stator 2, rotor 1 and main shaft 3, through the inlet hole 60 at cylinder body 6 centers, the air-inlet cavity 80 at cylinder body bonnet 8 centers enters the piston compression chamber of cylinder body 6; Make in working procedure to the motor stator of compressor and rotor, to carry out by refrigerant pre-cooled, reach and improve compressor life-span and effective output.
The above embodiment just, for preferred embodiment of the present utility model, not limits practical range of the present utility model with this, and the equivalence that all shapes according to the utility model, structure and principle are done changes, and all should be covered by protection domain of the present utility model.
Claims (10)
1. a motor compressor, comprises casing, rotor, motor stator, main shaft, swash plate, piston, cylinder body, valve plate and cylinder body bonnet, Piston assembling straight reciprocating motion in the cylinder sleeve of cylinder body; It is characterized in that,
Described casing is comprised of electric machine casing and cylinder body shell, electric machine casing and cylinder body shell be all formed in one and one end uncovered, the nested open-mouth end that is connected in electric machine casing of open-mouth end of cylinder body shell;
On described main shaft, rotor is housed, the outside of rotor is provided with motor stator, and the motor stator of assembling, rotor and integrated spindle axis are installed in the interior motor room of electric machine casing, and electric machine casing inside bottom is provided with the positioning seat that fixed main shaft is installed;
The uncovered inner side of described electric machine casing is also arranged with for supporting the flange plate of fixed main shaft;
Between flange plate and cylinder body outer casing bottom, be set with successively cylinder body, valve plate and cylinder body bonnet, between cylinder body bonnet and cylinder body outer casing bottom, form the exhaust cavity of cylinder body, cylinder body side wall of outer shell is provided with the relief opening being communicated with exhaust cavity, and cylinder body bonnet is provided with the air guide channel that is communicated with cylinder piston compression chamber and exhaust cavity;
Described main shaft stretches in cylinder body through flange plate, and swash plate is housed on main shaft, and the hemisphere that can be sleeved on swash plate both sides is housed in the ball-and-socket of piston left part;
Described cylinder body bonnet center is provided with the air-inlet cavity being communicated with cylinder piston compression chamber, cylinder body center is provided with the inlet hole being communicated with air-inlet cavity, described main shaft axial centre offers the axial hole being communicated with the inlet hole at cylinder body center, between the end face of described electric machine casing inside bottom and rotor, motor stator, be also formed with gas-entered passageway, on sidewall of motor housing, offer the suction port being communicated with gas-entered passageway, described gas-entered passageway is connected through the positioning seat of electric machine casing inside bottom and the axial hole of main shaft;
At rotor, to also offering to be communicated with axial hole and to be convenient to a part of refrigerant in gas-entered passageway, after rotor and motor stator, import the radial direction through hole of axial hole with the main shaft diameter between flange plate.
2. a kind of motor compressor according to claim 1, is characterized in that, what described rotor and swash plate were coaxial is installed on integrated main shaft.
3. a kind of motor compressor according to claim 1 and 2, is characterized in that, in described electric machine casing inside bottom positioning seat, is also equipped with the first spring bearing that has coordinated radial support effect with main shaft; In described electric machine casing, sheathed flange plate bottom outside is also provided with the second spring bearing that has coordinated radial support effect with main shaft.
4. a kind of motor compressor according to claim 1, it is characterized in that, on the main shaft of described swash plate both sides, be respectively fitted with the first plain thrust bearing and the second plain thrust bearing, flange plate inside bottom is fixed in the first plain thrust bearing supporting, and the inlet hole end at cylinder body center is fixed in the second plain thrust bearing supporting.
5. a kind of motor compressor according to claim 1, is characterized in that, described piston and valve plate arrange in the same side of swash plate.
6. a kind of motor compressor according to claim 1, it is characterized in that, described piston and swash plate all adopt silumin material to make, the ball-and-socket working surface of described piston is a spherical working surface, two corresponding hemisphere working surfaces adopt spherical working surface, and swash plate drives two hemisphere rotational slide driven plunger straight reciprocating motions in the cylinder sleeve of cylinder body in the ball-and-socket of piston.
7. a kind of motor compressor according to claim 1, is characterized in that: described cylinder body be circumferentially provided with uniformly a plurality of sleeve ports, on corresponding swash plate, be equipped with the piston coordinating with each sleeve port.
8. a kind of motor compressor according to claim 1, it is characterized in that: described cylinder body shell open-mouth end inwardly shrinks the bulge loop platform that formation one is nested in the uncovered inner side of electric machine casing, the end face of bulge loop platform and flange plate, against touching, are also equipped with the O RunddichtringO being sealed and matched with electric machine casing madial wall on bulge loop platform outer side wall.
9. a kind of motor compressor according to claim 8, is characterized in that: between described electric machine casing and cylinder body shell, adopt aluminum alloy material to make and be bolted and be fixed into one.
10. a kind of motor compressor according to claim 1, is characterized in that: described electric machine casing is also provided with the tenminal block that connects external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420153341.8U CN203822574U (en) | 2014-03-31 | 2014-03-31 | Electric compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420153341.8U CN203822574U (en) | 2014-03-31 | 2014-03-31 | Electric compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203822574U true CN203822574U (en) | 2014-09-10 |
Family
ID=51478084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420153341.8U Expired - Fee Related CN203822574U (en) | 2014-03-31 | 2014-03-31 | Electric compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203822574U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605699A (en) * | 2017-10-11 | 2018-01-19 | 苏州昆拓热控系统股份有限公司 | Compressor |
-
2014
- 2014-03-31 CN CN201420153341.8U patent/CN203822574U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605699A (en) * | 2017-10-11 | 2018-01-19 | 苏州昆拓热控系统股份有限公司 | Compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20150331 |
|
| EXPY | Termination of patent right or utility model |