CN206972476U - A kind of oil eliminator and compressor - Google Patents

Abstract

The purpose of this utility model is to provide a kind of oil eliminator and compressor.Oil eliminator provided by the utility model includes bottom wall and perisporium, after on the exhaust outlet for be installed to compressor, exhaust airstream on the inside of exhaust outlet is during flowing, a part can be hit with the perisporium, another part can be hit with the bottom wall, so that the collision of exhaust airstream and oil eliminator is more abundant, the effect of more preferable Oil-gas Separation is obtained.Further, since the collision of exhaust airstream and oil eliminator is abundant, the length of the perisporium of oil eliminator can also be reduced, so that oil eliminator has smaller volume.Compressor provided by the utility model, above-mentioned oil eliminator is installed, so that the set location of exhaust outlet more freely, and there can be the advantages of simple in construction, small volume.

Description

A kind of oil eliminator and compressor

Technical field

Field of automobile air conditioner is the utility model is related to, more particularly, to a kind of oil eliminator and compressor.

Background technology

For compressor for automotive air conditioning device etc. by refrigerant fluid discharge process, lubricating oil is mixed in fluid also certainly So it is carried over by ground, causes compressor casing oil starvation, influences the smooth work of motion.

Prior art sets oil eliminator within the compressor, and lubricating oil is separated from fluid, retains lubricating oil In compressor, to suppress the loss of lubricating oil, and oil return is to compression mechanism.

Chinese patent CN1396382A discloses a kind of compressor with oil eliminator, as shown in fig. 7, the row of the compressor Air cavity 751 has centrifugation formula oil separation structure, and the cylindrical shape concentric with blast pipe 756 is provided with the periphery of blast pipe 756 Space.Entrance hole 753 for high-pressure fluid being imported the cylinder space is formed to high-pressure fluid along the cylinder space Tangential direction import, the high-pressure fluid, while the cycle in cylinder space, while dropping to the lower ending opening of blast pipe 756 Portion, enter from the lower end opening portion in blast pipe 756, be discharged to from gas discharge outlet 758 outside compressor.

Meanwhile the lubricating oil contained by high-pressure fluid in cylinder space by the outer of the centrifugal force in cycle and cylinder space Side face 749 contacts, and is separated from refrigerant fluid.High pressure casing 712 of the lubricating oil isolated along formation cylinder space Cylindrical portion inner peripheral surface be moved to lower section.Oil Guide road 750 is formed in the bottom of discharge chamber 751, the Oil Guide road 750 is separation The lubricating oil gone out is oriented to accumulator 752.The lubricating oil being stored in accumulator 752, by being supplied to oil circuit 718 from accumulator 752 Award compression mechanism.

The compressor housing of above-mentioned prior art leaves the space arranging exhaust air pipe 756 of abundance, and blast pipe 756 is located at compression (being specifically high pressure casing 712) radially (B-B) extension on casing body, plus discharge chamber 751, it is straight that development length is approximately equal to housing Footpath.However, the exhaust position of many compressors is not to be located at housing tail end, or needs to avoid other parts, do not have Have sufficient space and length sets the oily separation structure of this form.

This area needs a kind of simple in construction, the oil eliminator and compressor of small volume.

Utility model content

The purpose of this utility model is to provide a kind of oil eliminator, the oil eliminator have it is simple in construction, volume compared with The advantages of small.

The purpose of this utility model, which also resides in, provides a kind of compressor, is provided with the inside of the exhaust outlet of the compressor above-mentioned Oil eliminator, so as to also have the advantages of simple in construction, small volume.

To realize the oil eliminator of the purpose, for the exhaust outlet installed in compressor, the oil eliminator includes bottom Wall and the perisporium set in the side of the bottom wall, the perisporium corral exhaust passage；Opening, institute are provided with the perisporium Opening is stated to connect with the exhaust passage；

The perisporium is configured to be connected with the inwall of the exhaust outlet；

The perisporium and the bottom wall respectively constitute is knocked portion with what exhaust airstream was hit, by exhaust airstream point From into oil and gas；

It is described to be open for making the gas flow into the exhaust passage, and it is discharged to the exhaust from the exhaust passage Mouthful；

Direction of the opening on the perisporium is associated with the flow direction of exhaust airstream, so that all or most is arranged Gas air-flow could enter the opening after hitting the oil eliminator.

Described oil eliminator, its further feature are the cylindrical shapes for being shaped as both ends open of the perisporium.

Described oil eliminator, its further feature be, the bottom wall is shaped as tapered wall, the bottom wall with it is described Perisporium coaxial line is set, and the top corner part of the bottom wall is stretched into the perisporium.

Described oil eliminator, its further feature are that the bottom wall stretches out and protrudes from the perisporium, are formed The flange tilted down.

Described oil eliminator, its further feature are direction and exhaust airstream of the opening on the perisporium Flow direction it is mutually orthogonal.

To realize the purpose compressor, there is exhaust outlet, the compressor includes oil eliminator, the oil eliminator peace Mounted in the exhaust outlet；

The oil eliminator includes bottom wall and the perisporium set in the side of the bottom wall, and the perisporium corral exhaust leads to Road；Opening is provided with the perisporium, the opening connects with the exhaust passage；

The perisporium is configured to be connected with the inwall of the exhaust outlet；

The perisporium and the bottom wall respectively constitute is knocked portion with what exhaust airstream was hit, by exhaust airstream point From into oil and gas；

It is described to be open for making the gas flow into the exhaust passage, and it is discharged to the exhaust from the exhaust passage Mouthful；

Direction of the opening on the perisporium is associated with the flow direction of exhaust airstream, so that all or most is arranged Gas air-flow could enter the opening after hitting the oil eliminator.

Described compressor, its further feature are that the compressor also includes compressor main body and bonnet, after described Cover in one end of compressor main body and be fixedly connected with the compressor main body；

There is suction muffler and discharge chamber inside the bonnet, the compressor main body is configured to from the suction muffler Middle air-breathing is simultaneously vented into the discharge chamber, so as to form the exhaust airstream；

The exhaust outlet connects with the discharge chamber, to enable the exhaust airstream to flow to the exhaust outlet.

Described compressor, its further feature be, the exhaust outlet be opened in it is described after cover and with the exhaust Chamber connects, and the bottom wall and the opening are in the discharge chamber.

Described compressor, its further feature are that it is logical that the compressor main body includes cylinder body, exhaust cap and connection Road, one end of the cylinder body are fixedly connected with the bonnet；Pit is provided with the outer wall of the cylinder body；The exhaust cap covers It is tightly connected on the pit and with the pit, to form exhaust noise silencing chamber, the exhaust outlet is radially opened in described Connected in exhaust cap and with the exhaust noise silencing chamber；

The interface channel connects the exhaust noise silencing chamber with the discharge chamber.

Described compressor, its further feature are that the bonnet includes substrate, annular wall plate and toroidal membrane, institute State annular wall plate and the toroidal membrane is arranged on the homonymy of the substrate and axially extended, wherein, the annular wall plate is set Put and be arranged on the middle part of the substrate in the edge of the substrate, the toroidal membrane；

The annular wall plate, the toroidal membrane and the substrate surround the discharge chamber, the toroidal membrane and described Substrate surrounds the suction muffler；

The exhaust outlet is radially opened on annular wall plate and connected with the discharge chamber.

Described compressor, its further feature be, the perisporium of the oil eliminator is interior with the exhaust outlet Connected mode between wall is threaded connection or interference connection.

Positive effect of the present utility model is：Oil eliminator provided by the utility model includes bottom wall and perisporium, After on the exhaust outlet for be installed to compressor, for the exhaust airstream on the inside of exhaust outlet during flowing, a part can be with institute State perisporium to be hit, another part can be hit with the bottom wall, so that exhaust airstream and oil eliminator touch Hit the effect for more fully, obtaining more preferable Oil-gas Separation.Further, since the collision of exhaust airstream and oil eliminator is abundant, oil The length of the perisporium of separator can also be reduced, so that oil eliminator has smaller volume.The utility model carries The compressor of confession, above-mentioned oil eliminator is installed, so that the set location of exhaust outlet more freely, and there can be knot The advantages of structure is simple, small volume.

Brief description of the drawings

The above and other feature, property and advantage of the present utility model will be by with reference to the accompanying drawings and examples Description and become readily apparent from, wherein：

Fig. 1 is the profile of compressor in the utility model；

Fig. 2 is the schematic diagram that exhaust airstream flows in the utility model；

Fig. 3 is the schematic diagram of exhaust airstream and oil eliminator knockout process in the utility model；

Fig. 4 is the profile of oil eliminator in the utility model；

Fig. 5 is the profile of compressor in the utility model；

The profile of oil eliminator in Fig. 6 the utility model；

Fig. 7 is the profile of compressor in the prior art.

Embodiment

With reference to specific embodiments and the drawings, the utility model is described in further detail, elaborates in the following description More details are in order to fully understand the utility model, but the utility model obviously can be different from what this was described with a variety of Other manner is implemented, and those skilled in the art can be in the case of without prejudice to the utility model connotation according to practical application feelings Condition is made similar popularization, deduced, therefore should not limit the scope of protection of the utility model with the content of this specific embodiment.

It should be noted that Fig. 1 to Fig. 7 only as an example, its not be according to equal proportion condition draw, and It should not be construed as limiting in this, as the protection domain to the utility model actual requirement.In this specification, axially refer to compress A-A directions in direction where machine rotating shaft, i.e. Fig. 1,7, radially refer in space perpendicular to the direction in A-A directions, such as B-B side To.

The compression mechanism of compressor, such as bent axle, piston, cylinder etc., need to be lubricated in motion process.Generally pressure Contract it is in-house be coated with lubricating oil, but in the running of compressor, the working medium of compressor, such as refrigerant, after compressing The process of discharge can take a part of lubricant out of cylinder, into extraneous gas pipeline.Therefore, if not to the system after being compressed Cryogen carries out Oil-gas Separation, and the retention amount of lubricating oil will be fewer and fewer, causes compressor to cannot get good lubrication.

To realize the process of above-mentioned Oil-gas Separation, in the prior art, the compressor with oil eliminator as shown in Figure 7, Its discharge chamber 751 has centrifugation formula oil separating structure, and the circle concentric with blast pipe 756 is provided with the periphery of blast pipe 756 Cylindrical space.Entrance hole 753 for high-pressure fluid being imported the cylinder space is formed to high-pressure fluid along the cylinder The tangential direction in space imports, the high-pressure fluid, while the cycle in cylinder space, while dropping to the lower end of blast pipe 756 Opening portion, enter from the lower end opening portion in blast pipe 756, be discharged to from gas discharge outlet 758 outside compressor.This centrifugation point Need larger space to realize Oil-gas Separation from formula oil separating structure, can be only installed at the afterbody of compressor, can not adapt to The compressor of different structure.

Oil eliminator 20 provided by the utility model, is applicable to polytype compressor, such as oblique tray type compressor, shakes Pendulum compressor, scroll compressor etc..Hereafter by taking oblique tray type compressor as an example, installation and the effect side of oil eliminator 20 are introduced Formula.

As shown in figure 1, oblique tray type compressor includes compressor main body 19 and bonnet 3, bonnet 3 is covered in compressor main body 19 One end and be fixedly connected with compressor main body 19；The inside of bonnet 3 has suction muffler 6 and discharge chamber 7, and compressor main body 19 includes Cylinder body 1 and front end housing 2, the both ends of cylinder body 1 are connected with front end housing 2 and bonnet 3 respectively.Formed with bent axle in cylinder body 1 and front end housing 2 Chamber 5, piston 18, main shaft 9 and multiple cylinder-bores 13 are provided with crankshaft cavity 5.When oblique tray type compressor works, main shaft 9 is in bent axle Rotated in chamber 5, and drive and rotated simultaneously mounted in drive disk 11 thereon and the swash plate 10 being hinged with drive disk 11, swash plate 10 End face and main shaft 9 are into an inclination angle.Multiple pistons 18 are attached separately in each cylinder-bore 13, are set between each piston 18 and swash plate 10 A pair of crawler shoes 8, piston 18 moves back and forth in cylinder-bore 13 in the rotation process of swash plate 10.Some piston 18 is towards the top of cylinder-bore 18 During motion, to should cylinder-bore 18 suction valve chip (accompanying drawing is not shown) open, make suction hole on valve plate 15 (accompanying drawing is not shown) Open, so as to the inspiration gas of cylinder-bore 13；Piston 18 towards the bottom of cylinder-bore 13 move when, to should cylinder-bore 13 exhaust valve plate 14 are opened, and penetrate the steam vent 16 on valve plate 15, and refrigerant is expelled into discharge chamber 7 from cylinder-bore 13, forms exhaust airstream F, so as to complete the compression to refrigerant.Therefore, compressor main body 19 is configured to from suction muffler 6 air-breathing and to exhaust It is vented in chamber 7, so as to form exhaust airstream F；Exhaust outlet 17 connects with discharge chamber 7, to enable exhaust airstream F to flow to exhaust Mouth 17.

During compressor operating, as refrigerant to the flow at high speed of discharge chamber 7, lubricating oil is also brought into discharge chamber 7, the row of being contained in In gas air-flow F.The part of the high-speed motions such as swash plate 10, piston 18, crawler shoe 8, bearing in crankshaft cavity 5 needs sufficient lubrication Oil.Lubricating oil is brought into the decrease that can cause lubricant effect after discharge chamber 7.

The compressor of some forms, consider, exhaust outlet 17 need to be arranged on cylinder body 1 or bonnet for air-conditioning system interface position 3 top.And because the appearance and size of compressor is restricted, (the two of toroidal membrane 4 of toroidal membrane 4 of exhaust outlet 17 and bonnet 3 Side is respectively suction muffler 6 and discharge chamber 7) the distance between D1 (as shown in Figure 2) it is too small, can not arrange as in the prior art that Longer blast pipe 756.According to the set location of exhaust outlet 17, exhaust airstream F also not necessarily by the prior art with The tangent path flows of blast pipe 756.If blast pipe 756 same as the prior art is still set, due to the length of blast pipe 756 It is smaller, it can lead to not realize with exhaust airstream F and hit, be just strayed into advance so as to cause many exhaust airstream F not hit Blast pipe 756.

The design feature that may be changed according to the position of the exhaust outlet 17 of compressor, the utility model provide a kind of new Oil eliminator 20, it is allowed to easily install and can produce the effect of Oil-gas Separation.

With continued reference to Fig. 1, oil eliminator 20 is arranged on the exhaust outlet 17 of compressor, effects of the exhaust airstream F in pressure It is lower to be flowed towards exhaust outlet 17.As shown in figure 1, exhaust outlet 17 can be arranged on discharge chamber 7；Or it is arranged on as shown in Figure 5 On the exhaust noise silencing chamber 27 of cylinder body 1, connected between exhaust noise silencing chamber 27 and discharge chamber 7 by interface channel 26, exhaust noise silencing chamber 27 are arranged on the outer wall of cylinder body 1.Exhaust airstream F flows towards exhaust outlet 17 and hit with oil eliminator 20, so as to quilt Oil eliminator 20 separates.Fig. 2,3 show that exhaust airstream F is separated into the process of oil and gas.

In Fig. 2,3, exhaust outlet 17 is opened on the wall of discharge chamber 7, i.e., on bonnet 3.Specifically, bonnet 3 includes base Plate 3a, annular wall plate 3b and toroidal membrane 4, annular wall plate 3b and toroidal membrane 4 are arranged on substrate 3a homonymy and prolonged vertically Stretch, wherein, annular wall plate 3b is arranged on substrate 3a edge, and toroidal membrane 4 is arranged on substrate 3a middle part；Annular wall plate 3b, Toroidal membrane 4 and substrate 3a surround discharge chamber 7, and toroidal membrane 4 and substrate 3a surround suction muffler 6；Exhaust outlet 17 radially opens up Connected on annular wall plate 3b and with discharge chamber 7.The distance of the lower surface of exhaust outlet 17 and the outer surface of toroidal membrane 4 is D1.

Because the pressure at exhaust outlet 17 is smaller, being pressed into exhaust airstream F by piston 18 from steam vent 16 can be towards exhaust outlet 17 flow and are hit with oil eliminator 20.As shown in figure 4, oil eliminator 20 includes bottom wall 22 and set in the side of bottom wall 22 The perisporium 21 put, the corral exhaust passage 24 of perisporium 21；Opening 23 is provided with perisporium 21, opening 23 connects with exhaust passage 24 It is logical；Perisporium 21 is configured to be connected with the inwall of exhaust outlet 17；Perisporium 21 and bottom wall 22 respectively constitute and exhaust gas What stream F was hit is knocked portion, and exhaust airstream F is separated into oil and gas；Opening 23 is used to make gas inflow exhaust logical Road 24, and it is discharged to exhaust outlet 17 from exhaust passage 24.

With continued reference to Fig. 3, because oil eliminator 20 includes bottom wall 22 and perisporium 21, a part of air-flow in exhaust airstream F F1 hits and is shot back with perisporium 21, and this portion gas being shot back liquidates with the F air-flows to advance, attached in oil eliminator 20 Irregular air-flow F1 ' is closely formed, these irregular air-flow F1 ' can produce with oil eliminator 20, annular wall plate 3b to be hit repeatedly Form air-flow F1 '.Another part air-flow F2 in exhaust airstream F hits with bottom wall 22.Due to pressure difference relation, exhaust airstream F is whole Eventually flowing to for body is all opening 23, and then is discharged to the outside circulation.But exhaust airstream F has been hit when entering opening 23 Hit, the oil being mixed in exhaust airstream F, because its gravity is more than gas, be separated sufficiently out in shock, separated along oil Device 20 or toroidal membrane 4 drip.

The quantity of opening 23 can be one or more, and in order to increase shock number, be open 23 direction on perisporium 21 It is associated with exhaust airstream F flow direction, opened so as to could enter after all or most exhaust airstream F shock oil eliminators 20 Mouth 23.Opening 23 preferably avoids face air-flow F1 flow direction.Alternatively, as shown in Figure 2,3, be open 23 direction on perisporium 21 It is mutually orthogonal with exhaust airstream F flow direction.In the embodiment shown in Fig. 2,3, opening 23 is oriented axial A- on perisporium 21 In A, exhaust airstream F with perisporium 21 hit air-flow F1 flow direction it is orthogonal with axial A-A, can so avoid exhaust airstream F without Shock is crossed with regard to inlet opening 23.23 direction on perisporium 21 that is open can not also be orthogonal with flowing to for exhaust airstream F, but also should This is avoided face exhaust airstream F flow direction.Opening 23 can be formed by radially processing through hole on perisporium 21.Opening 23 is also There can be others to open up mode, such as a groove (accompanying drawing is not shown) towards inner recess is first opened up on perisporium 21, then Opening 23 is opened up on the cell wall of the groove, such exhaust airstream F enters back into opening 23 after first being hit with the bottom land of groove. The requirement for opening up mode for opening 23 is that 23 direction on perisporium 21 of opening avoids face exhaust airstream F flow direction, from And all or most exhaust airstream F is set to enter opening 23 after hitting oil eliminator 20.

The lubricating oil isolated by oil eliminator 20, is dripped under gravity, and oil sump is accumulated into the bottom of discharge chamber 7 28, crankshaft cavity is returned to by the oil return pore 29 on cylinder body 1.

Oil eliminator 20 provided by the utility model includes bottom wall 22, therefore can make the exhaust airstream from two angles Multiple impacts are produced between F and the wall of the inner side of oil eliminator 20 and exhaust outlet 17, more fully to make the oil in exhaust airstream F Separated with gas.This oil eliminator 20 can be designed to it is shorter, so as to suitable for the less exhaust outlet 17 of installing space Design, such as the design that exhaust outlet 17 is set on exhaust noise silencing chamber 27 shown in Fig. 5.

The mounting means of oil eliminator 20 includes：Oil eliminator 20 is filled in from the Inside To Outside of exhaust outlet 17, can also be incited somebody to action Oil eliminator 20 is filled in from the outside of exhaust outlet 17 to inner side, is between the perisporium 21 of oil eliminator 20 and the inwall of exhaust outlet 17 It is full of cooperation.The perisporium 21 of oil eliminator 20 can also be to be threadedly coupled with the inwall connected mode of exhaust outlet 17.

Fig. 5 shows one embodiment that exhaust outlet 17 is arranged on exhaust noise silencing chamber 27.Specifically, compressor main body 19 Including cylinder body 1, exhaust cap 25 and interface channel 26, one end of cylinder body 1 is fixedly connected with bonnet 3；It is provided with the outer wall of cylinder body 1 Pit 31；Exhaust cap 25 is covered on pit 31 and is tightly connected with pit 31, to form exhaust noise silencing chamber 27, the edge of exhaust outlet 17 Radially it is opened in exhaust cap 25 and is connected with exhaust noise silencing chamber 27；Interface channel 26 connects exhaust noise silencing chamber 27 and discharge chamber 7 It is logical.Interface channel 26 can also be arranged on the inside of cylinder body 1.The distance between the lower surface of exhaust outlet 17 and the bottom surface of pit 31 For D2, distance D2 is general shorter, using a discharge capacity as 160cm³Compressor exemplified by, about 10mm.The utility model provides Oil eliminator 20, can preferably adapt to distance D2.In the present embodiment, exhaust airstream F is introduced into discharge chamber 7, the row of entering back into Gas passage 26, penetrated between exhaust passage 26 and exhaust outlet 17 by exhaust noise silencing chamber 27.In the present embodiment, compressor is without oil sump Space, oil return pore 30 can be directly opened up at the top of cylinder body 1, the lubricating oil for making to separate returns to crankshaft cavity under gravity 5。

In one embodiment of the present utility model, the shape of oil eliminator 20 is as shown in Figure 4.Perisporium 21 is shaped as justifying Tubular.

In another embodiment of the present utility model, oil eliminator 20 is deformed, as shown in fig. 6, bottom wall 22 Tapered wall is shaped as, bottom wall 22 is set with the coaxial line of perisporium 21, and the top corner part of bottom wall 22 is stretched into perisporium 21.Further, make Bottom wall 22 extends radially outwardly along perisporium 21 and protrudes from perisporium, forms the flange 22a tilted down.The shape of bottom wall 22 is also Can be circular flat, and the circular flat has the flange 22a tilted down.

Flange 22a can increase impact area, and so as to which more fully separation oil is gentle, can so promote rapidly will separation Lubricating oil out conducts downwards, accelerates the speed of oil accumulation.It is anxious in air-flow if lubricating oil accumulates to bottom oil sump not in time In acute motion process, it may be mixed into again in air-flow.

Positive effect of the present utility model is：Oil eliminator provided by the utility model includes bottom wall and perisporium, After on the exhaust outlet for be installed to compressor, for the exhaust airstream on the inside of exhaust outlet during flowing, a part can be with week Wall is hit, and another part can be hit with bottom wall, so that the collision of exhaust airstream and oil eliminator is more filled Divide, obtain the effect of more preferable Oil-gas Separation.Further, since the collision of exhaust airstream and oil eliminator is abundant, oil eliminator The length of perisporium can also be reduced, so that oil eliminator has smaller volume.Compression provided by the utility model Machine, above-mentioned oil eliminator is installed so that the set location of exhaust outlet can more freely, and with it is simple in construction, The advantages of small volume.

Although the utility model is disclosed as above with preferred embodiment, its be not for limiting the utility model, it is any Those skilled in the art are not being departed from spirit and scope of the present utility model, can make possible variation and modification, all It is the content without departing from technical solutions of the utility model, appoints according to what the technical essence of the utility model was made to above example What modification, equivalent variations and modification, each falls within the protection domain that the utility model claims are defined.

Claims (10)

1. A kind of 1. oil eliminator, for the exhaust outlet (17) installed in compressor, it is characterised in that oil eliminator (20) bag Include bottom wall (22) and the perisporium (21) set in the side of the bottom wall (22), perisporium (21) the corral exhaust passage (24)；Opening (23) is provided with the perisporium (21), the opening (23) connects with the exhaust passage (24)；

   The perisporium (21) is configured to be connected with the inwall of the exhaust outlet (17)；

   The perisporium (21) and the bottom wall (22) respectively constitute is knocked portion with what exhaust airstream (F) was hit, will row Gas air-flow (F) is separated into oil and gas；

   The opening (23) is used to make the gas flow into the exhaust passage (24), and is discharged to from the exhaust passage (24) The exhaust outlet (17)；

   Described direction on the perisporium (21) of opening (23) is associated with the flow direction of exhaust airstream (F) so that all or Most of exhaust airstream (F) could enter the opening (23) after hitting the oil eliminator (20).
2. 2. oil eliminator as claimed in claim 1, it is characterised in that the perisporium (21) is shaped as cylindrical shape.
3. 3. oil eliminator as claimed in claim 2, it is characterised in that the bottom wall (22) is shaped as tapered wall, the bottom Wall (22) is set with the perisporium (21) coaxial line, and the top corner part of the bottom wall (22) is stretched into the perisporium (21).
4. 4. oil eliminator as claimed in claim 2, it is characterised in that the bottom wall (22) stretches out and protrudes from the week Wall (21), form the flange (22a) tilted down.
5. 5. oil eliminator as claimed in claim 1, it is characterised in that direction of the opening (23) on the perisporium (21) It is mutually orthogonal with the flow direction of exhaust airstream (F).
6. 6. a kind of compressor, there is exhaust outlet (17), it is characterised in that the compressor includes oil eliminator (20), the oil Separator (20) is arranged on the exhaust outlet (17)；

   The oil eliminator (20) includes bottom wall (22) and the perisporium (21) set in the side of the bottom wall (22), the perisporium (21) corral exhaust passage (24)；Opening (23) is provided with the perisporium (21), the opening (23) and the exhaust are logical Road (24) connects；

   The perisporium (21) is configured to be connected with the inwall of the exhaust outlet (17)；

   The perisporium (21) and the bottom wall (22) respectively constitute is knocked portion with what exhaust airstream (F) was hit, will row Gas air-flow (F) is separated into oil and gas；

   The opening (23) is used to make the gas flow into the exhaust passage (24), and is discharged to from the exhaust passage (24) The exhaust outlet (17)；

   Described direction on the perisporium (21) of opening (23) is associated with the flow direction of exhaust airstream (F) so that all or Most of exhaust airstream (F) could enter the opening (23) after hitting the oil eliminator (20).
7. 7. compressor as claimed in claim 6, it is characterised in that the compressor also includes compressor main body (19) and bonnet (3), the bonnet (3) covers in one end of compressor main body (19) and is fixedly connected with the compressor main body (19)；

   There is suction muffler (6) and discharge chamber (7) inside the bonnet (3), the compressor main body (19) be configured to from Air-breathing and the exhaust into the discharge chamber (7) in the suction muffler (6), so as to form the exhaust airstream (F)；

   The exhaust outlet (17) connects with the discharge chamber (7), to cause the exhaust airstream (F) to flow to the exhaust outlet (17)。
8. 8. compressor as claimed in claim 7, it is characterised in that the exhaust outlet (17) is opened on the bonnet (3) simultaneously Connected with the discharge chamber (7), the bottom wall (22) and the opening (23) are located in the discharge chamber (7).
9. 9. compressor as claimed in claim 7, it is characterised in that the compressor main body (19) includes cylinder body (1), exhaust cap (25) it is fixedly connected with interface channel (26), one end of the cylinder body (1) with the bonnet (3)；On the outer wall of the cylinder body (1) It is provided with pit (31)；

   The exhaust cap (25) covers on the pit (31) and is tightly connected with the pit (31), to form exhaust noise silencing Chamber (27), the exhaust outlet (17) are radially opened in the exhaust cap (25) and connected with the exhaust noise silencing chamber (27)；

   The interface channel (26) connects the exhaust noise silencing chamber (27) with the discharge chamber (7).
10. 10. compressor as claimed in claim 7, it is characterised in that the bonnet (3) includes substrate (3a), annular wall plate (3b) and toroidal membrane (4), the annular wall plate (3b) and the toroidal membrane (4) are arranged on the homonymy of the substrate (3a) simultaneously Axially extend, wherein, the annular wall plate (3b) is arranged on the substrate (3a) edge, and the toroidal membrane (4) is set At the substrate (3a) middle part；

    The annular wall plate (3b), the toroidal membrane (4) and the substrate (3a) surround the discharge chamber (7), the annular Dividing plate (4) and the substrate (3a) surround the suction muffler (6)；

    The exhaust outlet (17) is radially opened on annular wall plate (3b) and connected with the discharge chamber (7).