CN207777175U - Low back pressure compressor - Google Patents
Low back pressure compressor Download PDFInfo
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- CN207777175U CN207777175U CN201721920997.8U CN201721920997U CN207777175U CN 207777175 U CN207777175 U CN 207777175U CN 201721920997 U CN201721920997 U CN 201721920997U CN 207777175 U CN207777175 U CN 207777175U
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Abstract
The utility model discloses a kind of low back pressure compressors, low back pressure compressor includes shell, compression mechanism and exhaust pipe, compression mechanism is arranged in shell, with compression chamber and the high pressure gas chamber for receiving the gaseous coolant from compression chamber in compression mechanism, oil-gas separation chamber is also formed in compression mechanism, oil-gas separation chamber is cyclone type oil-gas separation chamber, the gaseous coolant that oil-gas separation chamber is arranged to the carrying lubricating oil to entering Oil-gas Separation intracavitary from high pressure gas chamber acts on progress Oil-gas Separation using cyclonic separation, and exhaust pipe is connected to oil-gas separation chamber.The exhaust of high pressure gas intracavitary can be carried out Oil-gas Separation, and the lubricating oil of separation is delivered to the moving component of low-pressure side by low back pressure compressor according to the present utility model, ensured lubricating oil smooth circulation, ensured the reliability and working performance of low back pressure compressor.
Description
Technical field
The utility model is related to compressor fields, in particular to a kind of low back pressure compressor.
Background technology
In existing low back pressure compressor, the more difficult oil sump for flowing back to low-pressure side of lubricating oil of high-pressure side exhaust separation, from
And cause the lubrication oil circulation of low back pressure compressor more difficult.On the one hand cause more oil accumulation in high-pressure side as a result, makes
Lubricants capacity in winner's oil sump is insufficient, influences fuel feeding effect, causes the deterioration of compressor performance and reliability.
On the other hand, after on high-tension side oil mass increase, on high-tension side lubricating oil can be together discharged into compressed gas to cycle
System influences system energy efficiency.In addition, a large amount of refrigerant can be dissolved on high-tension side lubricating oil, to cause the refrigeration of system
Performance is greatly reduced.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality
A kind of low back pressure compressor can guarantee lubricating oil smooth circulation at least to a certain extent is proposed with novel.
According to low back pressure compressor described in the utility model, including shell, compression mechanism and exhaust pipe, the compressor
Structure is arranged in the shell, with compression chamber and the height for receiving the gaseous coolant from the compression chamber in the compression mechanism
Pressure air cavity, oil-gas separation chamber is also formed in the compression mechanism, and the oil-gas separation chamber is cyclone type oil-gas separation chamber, institute
State the gaseous state for the carrying lubricating oil that oil-gas separation chamber is arranged to entering the Oil-gas Separation intracavitary from the high pressure gas chamber
Refrigerant is acted on using cyclonic separation carries out Oil-gas Separation, and the exhaust pipe is connected to the oil-gas separation chamber.
According to low back pressure compressor described in the utility model, can the exhaust of high pressure gas intracavitary be subjected to oil gas point
From, and the lubricating oil of separation is delivered to the moving component of low-pressure side, ensure lubricating oil smooth circulation, ensures low back pressure compressor
Reliability and working performance.
According to low back pressure compressor described in the utility model, set between the high pressure gas chamber and the oil-gas separation chamber
It is equipped with communicating passage, the arrival end of the communicating passage is connected to high pressure gas chamber and outlet end connects with the oil-gas separation chamber
It is logical.
Further, at least part of the oil-gas separation chamber is cylindrical surface, the outlet end of the communicating passage and institute
It is tangent to state cylindrical surface.
Further, the Oil-gas Separation intracavitary is provided with discharge pipe, and the discharge pipe is connected to the exhaust pipe, wherein
Gaseous coolant after Oil-gas Separation intracavitary separation is discharged from the exhaust pipe.
Further, the lower end of the discharge pipe is connected to the oil-gas separation chamber, described in the upper end connection of the discharge pipe
Exhaust pipe, the lower end of the discharge pipe are less than the outlet end of the communicating passage.
Further, at least part of the oil-gas separation chamber be cylindrical surface, the discharge pipe be equal diameter pipe or
Person's reducing staged pipe, the cylindrical surface of the discharge pipe and the oil-gas separation chamber are coaxially arranged.
Further, the discharge pipe is the main shaft seals of one and the upper end of the discharge pipe and the compression mechanism
Connection.
Further, cushion chamber is formed in the base bearing, the exhaust pipe flatly wears the shell and part
Ground is embedded in the base bearing, and the exhaust pipe is connected to by the cushion chamber with the upper end of the discharge pipe.
Further, the oil-gas separation chamber and the discharge pipe are one.
Further, the compression mechanism includes base bearing, cylinder, supplementary bearing, bent axle and cover board, is had in the cylinder
The compression chamber, the cover board setting form the high pressure gas chamber on the supplementary bearing and between the supplementary bearing,
Described in oil-gas separation chamber be formed in the cylinder and the supplementary bearing, the communicating passage include communicating passage hypomere, even
The lower end of circulation passage epimere and communicating passage radial section, the communicating passage hypomere is connected to the high pressure gas chamber, the connection
The upper end of channel hypomere is connected to the lower end of the communicating passage epimere, and the upper end of the communicating passage epimere is horizontally connected with described
Communicating passage radial section, oil-gas separation chamber described in the outlet of the communicating passage radial section.
Further, the oil-gas separation chamber and the discharge pipe are multiple and correspond respectively, multiple oil
Gas disengagement chamber is formed independently of each other in the compression mechanism, and cushion chamber, the exhaust pipe water are formed in the base bearing
Level land wears the shell and is partially embedded into the base bearing, and the exhaust pipe is connected to the cushion chamber, and described
Cushion chamber is also connected to the upper end of multiple discharge pipes.
Further, the bottom of the cushion chamber is closed by demarcation strip to divide the cushion chamber and the oil-gas separation chamber
It separates, the upper end of the discharge pipe passes through the demarcation strip.
Further, the compression mechanism includes base bearing, cylinder, supplementary bearing, bent axle and cover board, is had in the cylinder
The compression chamber, the cover board setting form the high pressure gas chamber on the supplementary bearing and between the supplementary bearing,
In each oil-gas separation chamber be divided into the two parts for being formed in the cylinder and the supplementary bearing, the communicating passage includes connecting
The lower end of circulation passage hypomere, communicating passage epimere and multiple communicating passage radial sections, the communicating passage hypomere is connected to the height
Pressure air cavity, the upper end of the communicating passage hypomere are connected to the lower end of the communicating passage epimere, the communicating passage epimere
Upper end is horizontally connected with multiple communicating passage radial sections, the corresponding oil of outlet of the communicating passage radial section
Gas disengagement chamber.
Further, multiple communicating passage radial sections centered on the communicating passage epimere at it is radial distribution or
Communicating passage radial section described in person is two and is arranged symmetrically about the communicating passage epimere.
Further, the compression mechanism includes base bearing, cylinder, supplementary bearing, bent axle and cover board, is had in the cylinder
The compression chamber, the cover board is arranged forms a high pressure gas chamber, institute on the supplementary bearing and between the supplementary bearing
State and form another high pressure gas chamber between base bearing and the cylinder, wherein the oil-gas separation chamber be formed in the cylinder and
In the supplementary bearing, the communicating passage includes communicating passage hypomere, communicating passage epimere and communicating passage radial section, the company
The lower end of circulation passage hypomere is connected to the following high pressure gas chamber, and the upper end connection connection of the communicating passage hypomere is logical
The lower end of road epimere, the upper end of the communicating passage epimere are connected to the high pressure gas chamber above, and the communicating passage
The upper end of epimere is also horizontally connected with the communicating passage radial section, oil gas described in the outlet of the communicating passage radial section
Disengagement chamber.
Further, the oil-gas separation chamber includes two sections, above one section inner peripheral surface be cylindrical surface, below one section
Inner peripheral surface be the conical surface, the tapered end of the conical surface is oil collecting hole.
Further, obtained lubricating oil is exported to the movement of the compression mechanism after being detached by the oil-gas separation chamber
Component, to lubricate the moving component.
Further, the compression mechanism includes base bearing, cylinder, supplementary bearing, bent axle and cover board, is had in the cylinder
The compression chamber, the cover board setting form the high pressure gas chamber on the supplementary bearing and between the supplementary bearing.
Further, the surface of the direction of the cover board oil-gas separation chamber is formed with high pressure sump, the high pressure oil
Slot receives the lubricating oil by the oil-gas separation chamber resulting separation, and the lubricating oil in the high pressure sump can be to the fortune
Dynamic component conveys.
Further, the low back pressure compressor further includes oil return component, and the oil inlet end of the oil return component extend into institute
It states in high pressure sump, the oil outlet end of the oil return component is opened wide towards the moving component.
Further, the oil return component includes oil return pipe and the oil return hole that is formed in the supplementary bearing, the oil return
It is inserted into tube portion in the oil return hole, the lower end of the oil return pipe is oil inlet end and extend into the high pressure sump, described
The upper end of oil return hole is oil outlet end and towards the moving component.
Further, the bent axle have countershaft section, the supplementary bearing have Curved shaft support portion, the Curved shaft support portion with
The countershaft section is corresponding and for supporting the countershaft section, and the oil outlet end of the oil return hole runs through the inner circumferential in the Curved shaft support portion
Face, and be spaced apart between the inner peripheral surface in the Curved shaft support portion and the peripheral surface of the countershaft section narrow to form the first oil return
Seam, the first oil return slit are connected to the oil return hole and the low pressure oil sump below the first oil return slit.
Further, the oil return hole is formed in the bent axle branch of the supplementary bearing in such a way that the relatively described supplementary bearing is inclined
In support part, the center line of the oil return hole and the angle of the supplementary bearing are 20 ° -70 °, and the oil return pipe is with identical inclination side
Formula, which is partially embedded into, to be fixed in the oil return hole.
Further, the bottom of the oil-gas separation chamber is provided with oil collecting hole, the oil collecting hole and the high pressure sump phase
Even.
Further, the compression mechanism includes base bearing, cylinder, supplementary bearing, bent axle and cover board, is had in the cylinder
The compression chamber, the cover board setting form the high pressure gas chamber, institute on the supplementary bearing and between the supplementary bearing
The surface for stating the direction oil-gas separation chamber of cover board is formed with high pressure sump, and the high pressure sump is received by the Oil-gas Separation
The lubricating oil of chamber resulting separation, wherein being provided with decompressor between the high pressure sump and low pressure oil sump.
Further, the decompressor is pressure reducing valve or capillary.
Further, the compression mechanism includes base bearing, cylinder, supplementary bearing, bent axle and cover board, is had in the cylinder
The compression chamber, the cover board setting form the high pressure gas chamber, institute on the supplementary bearing and between the supplementary bearing
The surface for stating the direction oil-gas separation chamber of cover board is formed with high pressure sump, and the high pressure sump is received by the Oil-gas Separation
The lubricating oil of chamber resulting separation, wherein being formed with pore in the cover board, one end of the pore is connected to the high pressure
Oil groove and the other end run through the peripheral surface of the cover board.
Further, the pore is a plurality of and is formed at interval in the cover board up and down, the pore water
Described one end of flat extension and a plurality of pore is connected to the bottom of the high pressure sump by common-use tunnel.
Further, the low back pressure compressor further includes drainback passage, and the drainback passage is connected to the high pressure sump
With the sliding vane groove in the cylinder, the slide plate in the sliding vane groove, which is formed by reciprocating motion in the suction high pressure sump, to be moistened
The suction power of lubricating oil.
Further, the tail portion of the sliding vane groove is formed with tail portion oil storage tank, described in the upper end connection of the drainback passage
Tail portion oil storage tank and the lower end connection high pressure sump.
Further, it is formed with the second oil return slit in the slide plate and the sliding vane groove, the second oil return slit
One end is connected to the tail portion oil storage tank and the other end extends to the inner peripheral surface of the cylinder.
Further, the tail portion oil storage tank is connected to pressure at expulsion, and the outer end sealing of the sliding vane groove.
The additional aspect and advantage of the utility model will be set forth in part in the description, partly will be from following description
In become apparent, or recognized by the practice of the utility model.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination following accompanying drawings to embodiment
Become apparent and is readily appreciated that, wherein：
Fig. 1 is the low back pressure compressor structural schematic diagram of the utility model embodiment 1；
Fig. 2 is the internal structure schematic diagram of the compression mechanism of the utility model embodiment 1；
Fig. 3 is the exploded view of the compression mechanism of the utility model embodiment 1；
Fig. 4 is the internal structure schematic diagram of the cylinder body of the utility model embodiment 1；
Fig. 5 is the exploded view of the compression mechanism of the utility model embodiment 2；
Fig. 6 is the internal structure schematic diagram of the cylinder body of the utility model embodiment 2；
Fig. 7 is the internal structure schematic diagram of the base bearing of the utility model embodiment 2；
Fig. 8 is the low back pressure compressor structural schematic diagram of the utility model embodiment 3；
Fig. 9 is the low back pressure compressor structural schematic diagram of the utility model embodiment 4；
Figure 10 is the internal structure schematic diagram of the compression mechanism of the utility model embodiment 5；
Figure 11 is the internal structure schematic diagram of the compression mechanism of the utility model embodiment 6.
Reference numeral：
Low back pressure compressor 100, the first oil return slit 101, the second oil return slit 102, shell 1, compression mechanism 2, compression
Chamber 201, high pressure gas chamber 202, high pressure sump 203, oil-gas separation chamber 204, discharge pipe 205, cushion chamber 206, communicating passage
207, communicating passage hypomere 2073, communicating passage epimere 2072, communicating passage radial section 2071, sliding vane groove 208, tail portion oil storage tank
209, base bearing 21, cylinder 22, supplementary bearing 23, Curved shaft support portion 231, bent axle 24, countershaft section 241, cover board 25, slide plate 26, branch
Support spring 27, exhaust pipe 3, oil return component 5, oil return pipe 51, oil return hole 52, low pressure oil sump 6, demarcation strip 7, drainback passage 8, capillary
Pipe 91, pore 92, common-use tunnel 93.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term "center", "upper", "lower", "vertical", "horizontal",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside", " axial direction ", " circumferential direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated device or member
Part must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is at least two, example
Such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be
Mechanical connection can also be electrical connection or can communicate with one another；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, can be the interaction relationship of the connection or two elements inside two elements.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
The utility model is described below in conjunction with the accompanying drawings and with reference to specific embodiment.
Fig. 1-Figure 11 is combined to describe 6 embodiments of the low back pressure compressor 100 of the utility model embodiment first.
Embodiment 1
As Figure 1-Figure 4, the low back pressure compressor 100 of the utility model embodiment may include shell 1, compression mechanism
2 and exhaust pipe 3.Compression mechanism 2 can be arranged in shell 1, can have compression chamber 201 and high pressure gas in compression mechanism 2
Chamber 202, compression chamber 201 and high pressure gas chamber 202 are separated from each other, and compression chamber 201 can be connected to high pressure gas chamber 202.
As shown in figures 1 and 3, oil-gas separation chamber 204, the high pressure in high pressure gas chamber 202 can be equipped in compression mechanism 2
Gas can carry out Oil-gas Separation, oil-gas separation chamber by oil-gas separation chamber 204, oil-gas separation chamber 204 to high pressure gas
204 can be cyclone type oil gas disengagement chamber, and oil-gas separation chamber 204 can be arranged to entering taking in oil-gas separation chamber 204
Gaseous coolant with lubricating oil is acted on using cyclonic separation and carries out Oil-gas Separation.
In other words, the high pressure gas for carrying lubricating oil enters and can surround oil-gas separation chamber 204 after oil-gas separation chamber 204
Internal face convolution rotation, at this time due between lubricating oil and high pressure gas there are density variation, lubricating oil circle round rotate when by
To be attached on the inner wall of oil-gas separation chamber 204 in centrifugal action, to lubricating oil will not with high pressure gas effluent oil qi leel from
Chamber 204 flows out, and lubricating oil can flow downward along wall surface under self gravitation effect and collect in oil-gas separation chamber 204, into
And it is recycled in low back pressure compressor 100.
Moreover, by will be formed in compression mechanism 2 built in oil-gas separation chamber 204, although to the structure of existing compression mechanism 2
It makes and produces certain change, but this built-in 204 structure of oil-gas separation chamber is compacter, with the gas between high pressure gas chamber
Body flow path is relatively much shorter, can more promptly and efficiently enter into oil-gas separation chamber 204 and carry out after high pressure gas discharge
Oil-gas Separation ensure that oil gas separation, while also reduce the outer component hung over except shell 1, reduce installation step,
Improve efficiency of assembling.
As shown in Figure 1, the outdoor heat exchanger outside shell 1 can be connected to by exhaust pipe 3 with oil-gas separation chamber 204, low pressure gas
Body is inhaled into compression chamber 201 from air entry, can be via oil gas after being compressed to high pressure gas by piston in compression chamber 201
Disengagement chamber 204 simultaneously drains into the outdoor heat exchanger outside shell 1 eventually by exhaust pipe 3.
It can be recycled according to the low back pressure compressor 100 of the utility model embodiment by the way that oil-gas separation chamber 204 is arranged
The lubricating oil drop to dissociate in high pressure gas, to make lubricating oil in 100 internal circulation flow of low back pressure compressor.A side as a result,
Face avoids after high pressure gas enters refrigeration equipment, and the lubricating oil that high pressure gas carries dissolves refrigerant, ensure that heat transmission equipment
Refrigeration performance.On the other hand, lubricating oil can lubricate after being collected by oil-gas separation chamber 204 for the moving component of compression mechanism 2,
Ensure 100 reliable operation of low back pressure compressor.
Moreover, the oil-gas separation chamber 204 of the present invention utilizes cyclonic separation principle, gas mixture to enter oil-gas separation chamber
Pass through screw after in 204 so that gaseous coolant and liquid oil droplet are detached, and good separating effect.
Specifically, as shown in figs 2-4, it can be provided with to be connected between high pressure gas chamber 202 and oil-gas separation chamber 204 and lead to
The arrival end (such as lower end) in road 207, communicating passage 207 can be connected to high pressure gas chamber 202, the outlet end of communicating passage 207
(such as upper end) can be connected to oil-gas separation chamber 204.The high pressure gas in high pressure gas chamber 202 can pass through connection as a result,
Channel 207, which flows into, carries out Oil-gas Separation in oil-gas separation chamber 204.
Specifically, as shown in Figure 1, at least part of oil-gas separation chamber 204 can be cylindrical surface, communicating passage 207
Outlet end can be tangent with cylindrical surface, it is possible thereby to make to flow into the high pressure gas edge in oil-gas separation chamber 204 from communicating passage 207
The flowing that rotates in a circumferential direction of the cross section of oil-gas separation chamber 204 ensures oil gas separation.
Specifically, as shown in Figure 1, can be provided with discharge pipe 205 in oil-gas separation chamber 204, discharge pipe 205 can be with row
Tracheae 3 is connected to, and the high pressure gas after Oil-gas Separation can flow out oil-gas separation chamber 204 from discharge pipe 205, and further lead to
It crosses exhaust pipe 3 and shell 1 is discharged.
Specifically, as shown in Figure 1, the lower end of discharge pipe 205 can be connected to oil-gas separation chamber 204, the upper end of discharge pipe 205
It can be connected to exhaust pipe 3, the lower end of discharge pipe 205 can be less than the outlet end of communicating passage 207.As a result, from communicating passage 207
Discharge pipe can be entered back into after into oil-gas separation chamber 204 with lateral circular oil-gas separation chamber 204 and after moving down certain distance
205, it prevents from flowing into after oil-gas separation chamber 204 from high pressure gas from communicating passage 207 and flows out Oil-gas Separation from discharge pipe 205 immediately
Chamber 204, to improve oil gas separation.
Specifically, as shown in Figure 1, at least part of oil-gas separation chamber 204 is cylindrical surface, discharge pipe 205 is equal diameter
Pipe or the reducing staged pipe that gradually caliber becomes smaller upwards, the structure of equal diameter pipe is simple, convenient for manufacture.Reducing rank
Ladder type pipe can be oriented to high pressure gas effluent oil qi leel from chamber 204.Discharge pipe 205 can be with oil-gas separation chamber 204
Cylindrical surface it is coaxially arranged, to ensure the high pressure gas flowed in oil-gas separation chamber 204 equably from 205 effluent oil of discharge pipe
Gas disengagement chamber 204.
Specifically, as shown in Figure 1, discharge pipe 205 can be one, and the upper end of discharge pipe 205 can be with compression mechanism 2
Base bearing 21 be tightly connected, thus it can be prevented that high pressure gas flow out discharge pipe 205 when from base bearing 21 reveal, ensure the low back of the body
Press the functional reliability of compressor 100.
Specifically, as shown in Figure 1, could be formed with cushion chamber 206 in base bearing 21, exhaust pipe 3 can flatly be worn
It shell 1 and is partially embedded into base bearing 21, exhaust pipe 3 can be connected to by cushion chamber 206 with the upper end of discharge pipe 205.By
This, after flowing out discharge pipe 205 shell 1 then can be discharged by exhaust pipe 3 again in cushion chamber 206 into row buffering in high pressure gas,
To which high pressure gas discharge shell 1 is more smooth.The setting of cushion chamber 206 can reduce discharge loss, larger cushion chamber 206
It is easy to the patency of exhaust.
Specifically, as Figure 1-Figure 4, oil-gas separation chamber 204 and discharge pipe 205 all can be one.Low back pressure as a result,
The structure of compressor 100 is simple, and can realize the separation of lubricating oil and high pressure gas and the cycle of lubricating oil.
Specifically, as Figure 1-Figure 4, compression mechanism 2 may include base bearing 21, cylinder 22, supplementary bearing 23, bent axle 24
With cover board 25, base bearing 21, cylinder 22, supplementary bearing 23 and cover board 25 can be bonded setting from the top down, and bent axle 24 can be successively
Wear base bearing 21, cylinder 22, supplementary bearing 23 and cover board 25.
As shown in Figure 1, compression chamber 201 can be located in cylinder 22, bent axle 24 can wear compression chamber 201, high pressure gas
Chamber 202 can be formed between supplementary bearing 23 and cover board 25.Oil-gas separation chamber 4 can be respectively formed at cylinder 22 and supplementary bearing 23
Interior, i.e., cylinder 22 and supplementary bearing 23 can be respectively provided with groove and interconnect so that oil-gas separation chamber 4 is collectively formed.
As shown in Figure 3 and Figure 4, communicating passage 207 may include communicating passage hypomere 2073,2072 and of communicating passage epimere
The lower end of communicating passage radial section 2071, communicating passage hypomere 2073 can be connected to high pressure gas chamber 202, communicating passage hypomere
2073 upper end can be connected to the lower end of communicating passage epimere 2072, and the upper end of communicating passage epimere 2072 can be horizontally connected with
The outlet of communicating passage radial section 2071, communicating passage radial section 2071 can be connected to oil-gas separation chamber 204.Communicating passage is set
Radial section 2071 can make the exhaust entered in oil-gas separation chamber 204 be more easy to screw, increase oil gas separation.
Communicating passage hypomere 2073 can be formed in supplementary bearing 23, communicating passage epimere 2072 and communicating passage radial section
2071 can be formed in cylinder 22, and thus communicating passage 207 is more easily manufactured.
Specifically, as shown in Figure 1, oil-gas separation chamber 204 may include two sections, above one section of inner peripheral surface can be
Cylindrical surface, below one section inner peripheral surface can be the conical surface, the tapered end of the conical surface can be oil collecting hole.It is attached to Oil-gas Separation as a result,
Lubricating oil in 204 inner peripheral surface of chamber after the separation of cylindrical surface portion can flow downward in self gravitation effect and be gathered in cone
Face, so be guided to the conical surface tapered end oil collecting hole at and effluent oil qi leel from chamber 204.Moreover, following one section is set as the conical surface
Gas spiral effect can be increased, keep Oil-gas Separation more thorough.
In further embodiments, as shown in Figure 1, compression mechanism 2 may include base bearing 21, cylinder 22, supplementary bearing 23,
Bent axle 24 and cover board 25, base bearing 21, cylinder 22, supplementary bearing 23 and cover board 25 can be bonded setting from the top down, and bent axle 24 can
To wear base bearing 21, cylinder 22, supplementary bearing 23 and cover board 25 successively.Compression chamber 201 can be located in cylinder 22, and bent axle 24 can
To wear compression chamber 201, high pressure gas chamber 202 can be formed between supplementary bearing 23 and cover board 25.
Specifically, as shown in Figure 1, the surface towards oil-gas separation chamber 204 of cover board 25 could be formed with high pressure sump
203, high pressure sump 203 is used to collect the lubricating oil flowed out from the oil collecting hole of oil-gas separation chamber 4, and in high pressure sump 203
Lubricating oil can be conveyed to moving component.High pressure sump 203 can temporarily be gathered and store out of high pressure gas chamber 202 as a result,
Lubricating oil is delivered to moving component by the lubricating oil that high pressure gas is collected consequently facilitating concentrating, to ensure the profit to moving component
It is sliding.Optionally, moving component can be bent axle 24.
More specifically, as depicted in figs. 1 and 2, low back pressure compressor 100 can also include oil return component 5, oil return component
5 oil inlet end can be extend into high pressure sump 203, and the oil outlet end of oil return component 5 can be opened wide with orientation movements component.As a result,
Since high pressure sump 203 is located in high pressure gas chamber 202, the air pressure of high pressure sump 203 is higher than the pressure where moving component, together
When moving component will produce negative pressure during exercise, to high pressure sump 203 store lubricating oil can be in moving component and high pressure
Moving component is flowed to by oil return component 5 under the differential pressure action of oil groove 203.
More specifically, as depicted in figs. 1 and 2, oil return component 5 may include oil return pipe 51 and be formed in supplementary bearing 23
Oil return hole 52, oil return pipe 51 can be inserted partially into oil return hole 52, and the lower end of oil return pipe 51 can be oil inlet end and can be with
It extend into high pressure sump 203, the upper end of oil return hole 52 can be oil outlet end and can be with orientation movements component, high pressure oil as a result,
Lubricating oil in slot 203 can be flowed to by oil return pipe 51 in oil return hole 52, and finally be delivered to moving component.
More specifically, as shown in Figure 1, bent axle 24 can have countershaft section 241, supplementary bearing 23 that can have Curved shaft support
Portion 231, Curved shaft support portion 231 can be corresponding with countershaft section 241 and for supporting countershaft section 241, i.e. Curved shaft support portion 231 can be with
It is circumferentially positioned at 241 outside of countershaft section, the oil outlet end of oil return hole 52 can run through the inner peripheral surface in Curved shaft support portion 231, and bent
It can be spaced apart between the inner peripheral surface of shaft supporting part 231 and the peripheral surface of countershaft section 241 to form the first oil return slit of annular
101, the first oil return slit 101 can be connected to oil return hole 52 and the low pressure oil sump 6 positioned at 101 lower section of the first oil return slit.
In other words, the lubricating oil in high pressure sump 203 can flow to the first oil return slit 101 via oil return hole 52, and right
The bent axle 24 rotated at first oil return slit 101 is lubricated, and subsequent lubricating oil can flow to the first oil return under its own gravity
The low pressure oil sump 6 of 101 lower section of slit, to carry out the cycle of lubricating oil next time.
More specifically, as depicted in figs. 1 and 2, oil return hole 52 can be with respect to supplementary bearing 23 obliquely with oil return pipe 51
It is formed in Curved shaft support portion 231, and oil return hole 52 is identical as the angle of inclination of oil return pipe 51.The center line of oil return hole 52 and pair
The angle of bearing 23 can be 20 ° -70 °, and oil return component 5 can be using overall construction as beeline channel, to high pressure sump as a result,
Lubricating oil in 203 can be smoothly through oil return component 5 and flow into the first oil return slit 101, in addition tilt the oil return opened up
Hole 52 can also reduce the influence to 23 intensity of supplementary bearing due to trepanning.
Embodiment 2
As shown in Figure 5-Figure 7, oil-gas separation chamber 204 and discharge pipe 205 all can be multiple and be corresponded respectively, multiple
Oil-gas separation chamber 204 can be formed independently of each other in compression mechanism 2, i.e., multiple oil-gas separation chambers 204 can be arranged in parallel,
Each oil-gas separation chamber 204 correspondings with a discharge pipe 205 respectively can be connected to, and the upper end of each discharge pipe 205 can be with
Cushion chamber 206 is connected to.
High pressure gas can be shunted as a result, carries out Oil-gas Separation to respectively enter in each oil-gas separation chamber 204, then high
Body of calming the anger can enter set in cushion chamber 206 from multiple oil-gas separation chambers 204 by discharge pipe 205, and finally from cushion chamber
206 are discharged by exhaust pipe 3 outside shell 1.It is understood that the oil-gas separation chamber 204 of the multiple parallel connections of setting can reduce height
Flow velocity when calming the anger body by oil-gas separation chamber 204 carries to which high pressure gas flowing time in oil-gas separation chamber 204 is longer
High oil gas separation.
Specifically, as shown in figure 5, the bottom of cushion chamber 206 can be closed by demarcation strip 7 with by cushion chamber 206 and oil gas
Disengagement chamber 204 separates, and in other words, demarcation strip 7 and oil gas can be passed through by being located at the cushion chamber 206 of 204 top of oil-gas separation chamber
Disengagement chamber 204 separates, and the upper end of discharge pipe 205 can pass through demarcation strip 7, and high pressure gas can be by discharge pipe 205 from oil gas
Disengagement chamber 204 enters cushion chamber 206.Demarcation strip 7 can prevent multiple oil-gas separation chambers 204 completely spacious with cushion chamber 206 as a result,
The raw channelling of exploitation, ensures high pressure gas rotational flow in cushion chamber 206.
Specifically, as shown in fig. 6, the upper end of communicating passage epimere 2072 can be horizontally connected with multiple communicating passages radial direction
The outlet of section 2071, each communicating passage radial section 2071 can correspond to one oil-gas separation chamber 204 of connection respectively.It is high as a result,
During high pressure gas in pressure oil air cavity flows to oil-gas separation chamber 204 by communicating passage 207, multiple connections can be passed through
Channel radial section 2071 branches in multiple oil-gas separation chambers 204, realizes the shunting of high pressure gas.
Specifically, as shown in fig. 6, when communicating passage radial section 2071 is two, two communicating passage radial sections 2071
It can be arranged symmetrically about communicating passage epimere 2072, i.e. two oil-gas separation chambers, 204, two 2071 and of communicating passage radial section
Communicating passage epimere 2072 can be around an axisymmetrical by the 2072 cross section center of circle of communicating passage epimere.Work as communicating passage
When 2071 more than two of radial section, multiple communicating passage radial sections 2071 can be centered on communicating passage epimere 2072 at radiation
Shape is distributed.Thus, it is possible to ensure high pressure gas by the shunting of communicating passage radial section 2071 evenly.
The other technical characteristics of embodiment 2 are identical as in embodiment 1, and details are not described herein.
Embodiment 3
As shown in figure 8, in compression mechanism 2 can have between the upper and lower every two high pressure gas chambers 202.Cover board 25 and countershaft
Underlying high pressure gas chamber 202 is formed between holding 23, and the height being located above can be formed between base bearing 21 and cylinder 22
The lower end of pressure air cavity 202, communicating passage hypomere 2073 can be connected to following high pressure gas chamber 202, communicating passage hypomere
The lower end of 2073 upper end connection communicating passage epimere 2072, the upper end of communicating passage epimere 2072 can be connected to high pressure above
Discharge chamber 202.
In other words, as shown in figure 8, can be connected to by communicating passage 207 between two high pressure gas chambers 202, connection is logical
The upper end of road epimere 2072 is also horizontally connected with communicating passage radial section 2071, the outlet oil of communicating passage radial section 2071
Gas disengagement chamber 204.The high pressure gas of two high pressure gas chambers 202 can pass through communicating passage after being collected to communicating passage 207
Radial section 2071 flows into oil-gas separation chamber 204 and carries out Oil-gas Separation.Two high pressure gas chambers 202 can increase gas compression effect
Fruit improves the gas compression ability of low back pressure compressor 100.
The other technical characteristics of embodiment 3 are identical as in embodiment 1, and details are not described herein.
Embodiment 4
It is connect with the first oil return slit 101 as shown in figure 9, oil-gas separation chamber 204 can be not directed through oil return component 5,
Low back pressure compressor 100 can also include drainback passage 8, and drainback passage 8 can penetrate through supplementary bearing 23, and oil return along the vertical direction
Channel 8 can be connected to the sliding vane groove 208 in high pressure sump 203 and cylinder 22.Support spring 27 can push slide plate 26 in slide plate
It is moved back and forth in slot 208, when the slide plate 26 in sliding vane groove 208 moves back and forth, pressure reduces in sliding vane groove 208, to slide plate
The pressure of slot 208 is less than the pressure of high pressure sump 203, and the lubricating oil in high pressure sump 203 is logical by oil return under differential pressure action
Road 8 flows to sliding vane groove 208.
Specifically, as shown in figure 9, the tail portion of sliding vane groove 208 could be formed with tail portion oil storage tank 209, drainback passage 8 it is upper
End can be connected to tail portion oil storage tank 209, and the lower end of drainback passage 8 can be connected to high pressure sump 203.Slide plate 26 is in sliding vane groove 208
When interior mobile, the pressure of 208 tail portion of sliding vane groove is smaller, i.e., the pressure difference between 208 tail portion of sliding vane groove and high pressure sump 203 is most
Greatly, lubricating oil flows to tail portion oil storage tank 209 from drainback passage 8, and the flowing of lubricating oil can be made more smooth.
Specifically, as shown in figure 9, could be formed with the second oil return slit 102 in slide plate 26 and sliding vane groove 208, second time
One end of oily slit 102 can be connected to tail portion oil storage tank 209 and the other end can extend to the inner peripheral surface of cylinder 22.It slides as a result,
Lubricating oil in tail portion oil storage tank 209 can be taken to the second oil return slit 102 by piece 26 in sliding vane groove 208 when movement, to
Lubricating oil can simultaneously be lubricated slide plate 26 and bent axle 24, further increase the functional reliability of low back pressure compressor 100.
More specifically, as shown in figure 9, tail portion oil storage tank 209 can be connected to high pressure gas chamber 202 to be connected to exhaust pressure
Power, and the outer end of sliding vane groove 208 can be sealed to be isolated with the low-voltage space where the low pressure oil sump 6 in shell 1.It slides as a result,
There are elevated pressures, i.e. compression chamber 201 where the second oil return slit 102 and the pressure difference in sliding vane groove 208 at this time in film trap 208
It is smaller, lubricating oil is driven from tail portion oil storage tank 209 to the second oil return slit 102 convenient for slide plate 26.
More specifically, as shown in figure 9, drainback passage 8 can be formed in supplementary bearing 23 to be parallel to the direction of bent axle 24
Interior, what fluid flow section was minimum in 203 three of drainback passage 8, tail portion oil storage tank 209 and high pressure sump can be drainback passage
8.Drainback passage 8 more successfully can flow to tail portion oil storage tank 209 from high pressure sump 203 as a result, and increase the effect that oils
Fruit.
The other technical characteristics of embodiment 4 are identical as in embodiment 1, and details are not described herein.
Embodiment 5
As shown in Figure 10, the bottom of high pressure sump 203 can be directly connected to low pressure oil sump 6, to oil-gas separation chamber 204
Lubricating oil can be flowed directly in low pressure oil sump 6, to keep the circulating path of lubricating oil simpler.
As shown in Figure 10, decompressor can be equipped between oil-gas separation chamber 204 and low pressure oil sump 6, decompressor can be with
For pressure reducing valve or the capillary of plate-like 91, lubricating oil can pass through pressure reducing valve or capillary during flowing to low pressure oil sump 6
91, to reduce the pressure of lubricating oil, in order to be stored in low pressure oil sump 6.
The other technical characteristics of embodiment 5 are identical as in embodiment 1, and details are not described herein.
Embodiment 6
As shown in figure 11, pore 92 is could be formed in cover board 25, one end of pore 92 can be connected to high pressure sump
203 and the peripheral surface of cover board 25 can be through to the other end, to penetrate through the low-voltage space in shell 1.High pressure sump 203 as a result,
Interior lubricating oil can flow to low-voltage space by pore 92, and be downwardly towards under the participation of low pressure oil sump 6 under its own gravity
One cycle.Lubricating oil can reduce the pressure of lubricating oil when flowing through pore 92, in order to be stored in low pressure oil sump 6.
Specifically, as shown in figure 11, pore 92 can be between the upper and lower every a plurality of of setting, and every pore 92 can be with
The peripheral surface of cover board 25 is extended horizontally in cover board 25.The inner end of every pore 92 can be connected by a common-use tunnel 93
It connects, common-use tunnel 93 can be connected to the bottom of high pressure sump 203, can first be flowed to the lubricating oil of high pressure sump 203
Common-use tunnel 93, and flow to low pressure oil sump 6 by the shunting of a plurality of pore 92.A plurality of pore 92 can make subtracting for lubricating oil
Pressure effect becomes apparent from.
The other technical characteristics of embodiment 6 are identical as in embodiment 5, and details are not described herein.
In the above-described embodiments, it is to illustrate using single cylinder structure as typical case, if in fact, low back pressure compressor 100 is
When double-cylinder structure, it is only necessary to the similar structure of institute is accordingly increased on another cylinder 22 and intermediate demarcation strip, it is former
It manages same as the previously described embodiments, repeats no more.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, those skilled in the art can incite somebody to action
Different embodiments or examples described in this specification are engaged and are combined.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (32)
1. a kind of low back pressure compressor, which is characterized in that including：
Shell；
Compression mechanism, the compression mechanism are arranged in the shell, in the compression mechanism there is compression chamber and reception to come from
The high pressure gas chamber of the gaseous coolant of the compression chamber is also formed with oil-gas separation chamber, the oil gas point in the compression mechanism
It is cyclone type oil-gas separation chamber from chamber, the oil-gas separation chamber is arranged to entering the oil gas point from the high pressure gas chamber
The gaseous coolant of carrying lubricating oil from intracavitary is acted on using cyclonic separation carries out Oil-gas Separation；
Exhaust pipe, the exhaust pipe are connected to the oil-gas separation chamber.
2. low back pressure compressor according to claim 1, which is characterized in that the high pressure gas chamber and the Oil-gas Separation
Communicating passage is provided between chamber, the arrival end of the communicating passage is connected to and outlet end and the oil gas point with high pressure gas chamber
It is connected to from chamber.
3. low back pressure compressor according to claim 2, which is characterized in that at least part of the oil-gas separation chamber is
Cylindrical surface, the outlet end of the communicating passage and the cylindrical surface are tangent.
4. low back pressure compressor according to claim 2, which is characterized in that the Oil-gas Separation intracavitary is provided with discharge
Pipe, the discharge pipe is connected to the exhaust pipe, wherein the gaseous coolant after the Oil-gas Separation intracavitary detaches is from the row
Tracheae is discharged.
5. low back pressure compressor according to claim 4, which is characterized in that the lower end of the discharge pipe is connected to the oil gas
The upper end of disengagement chamber, the discharge pipe is connected to the exhaust pipe, and the lower end of the discharge pipe is less than the outlet of the communicating passage
End.
6. low back pressure compressor according to claim 4, which is characterized in that at least part of the oil-gas separation chamber is
Cylindrical surface, the discharge pipe are equal diameter pipe or reducing staged pipe, the discharge pipe and the oil-gas separation chamber
Cylindrical surface is coaxially arranged.
7. low back pressure compressor according to claim 4, which is characterized in that the discharge pipe is one and the discharge pipe
Upper end connect with the main shaft seals of the compression mechanism.
8. low back pressure compressor according to claim 7, which is characterized in that be formed with cushion chamber, institute in the base bearing
Exhaust pipe is stated flatly to wear the shell and be partially embedded into the base bearing, the exhaust pipe by the cushion chamber with
The upper end of the discharge pipe is connected to.
9. low back pressure compressor according to claim 4, which is characterized in that the oil-gas separation chamber and the discharge pipe are equal
It is one.
10. low back pressure compressor according to claim 9, which is characterized in that the compression mechanism includes：Base bearing, gas
Cylinder, supplementary bearing, bent axle and cover board, have the compression chamber in the cylinder, the cover board be arranged on the supplementary bearing and with
The high pressure gas chamber is formed between the supplementary bearing；
The wherein described oil-gas separation chamber is formed in the cylinder and the supplementary bearing；
The communicating passage includes：Communicating passage hypomere, communicating passage epimere and communicating passage radial section, under the communicating passage
The lower end of section is connected to the high pressure gas chamber, and the upper end of the communicating passage hypomere is connected to the lower end of the communicating passage epimere,
The upper end of the communicating passage epimere connects horizontally connected with the communicating passage radial section, the outlet of the communicating passage radial section
Lead to the oil-gas separation chamber.
11. low back pressure compressor according to claim 7, which is characterized in that the oil-gas separation chamber and the discharge pipe
It is multiple and corresponds respectively, multiple oil-gas separation chambers is formed independently of each other in the compression mechanism, described
Cushion chamber is formed in base bearing, the exhaust pipe flatly wears the shell and is partially embedded into the base bearing, institute
It states exhaust pipe to be connected to the cushion chamber, and the cushion chamber is also connected to the upper end of multiple discharge pipes.
12. low back pressure compressor according to claim 11, which is characterized in that the bottom of the cushion chamber is sealed by demarcation strip
It closes to separate the cushion chamber and the oil-gas separation chamber, the upper end of the discharge pipe passes through the demarcation strip.
13. low back pressure compressor according to claim 11, which is characterized in that the compression mechanism includes：Base bearing, gas
Cylinder, supplementary bearing, bent axle and cover board, have the compression chamber in the cylinder, the cover board be arranged on the supplementary bearing and with
The high pressure gas chamber is formed between the supplementary bearing；
Wherein each oil-gas separation chamber is divided into the two parts for being formed in the cylinder and the supplementary bearing；
The communicating passage includes：Communicating passage hypomere, communicating passage epimere and multiple communicating passage radial sections, the connection are logical
The lower end of road hypomere is connected to the high pressure gas chamber, and the upper end of the communicating passage hypomere is connected under the communicating passage epimere
End, the upper end of the communicating passage epimere is horizontally connected with multiple communicating passage radial sections, the communicating passage radial section
The corresponding oil-gas separation chamber of outlet.
14. low back pressure compressor according to claim 13, which is characterized in that multiple communicating passage radial sections are with institute
It is two and logical about the connection for stating centered on communicating passage epimere into radial distribution or the communicating passage radial section
Road epimere is arranged symmetrically.
15. low back pressure compressor according to claim 2, which is characterized in that the compression mechanism includes：Base bearing, gas
Cylinder, supplementary bearing, bent axle and cover board, have the compression chamber in the cylinder, the cover board be arranged on the supplementary bearing and with
A high pressure gas chamber is formed between the supplementary bearing, another high pressure gas is formed between the base bearing and the cylinder
Chamber；
The wherein described oil-gas separation chamber is formed in the cylinder and the supplementary bearing；
The communicating passage includes：Communicating passage hypomere, communicating passage epimere and communicating passage radial section, under the communicating passage
The lower end of section is connected to the following high pressure gas chamber, and the upper end of the communicating passage hypomere is connected to the communicating passage epimere
Lower end, the upper end of the communicating passage epimere is connected to the high pressure gas chamber above, and the communicating passage epimere is upper
End is also horizontally connected with the communicating passage radial section, oil-gas separation chamber described in the outlet of the communicating passage radial section.
16. low back pressure compressor according to claim 2, which is characterized in that the oil-gas separation chamber includes two sections,
One section of inner peripheral surface is cylindrical surface above, below one section of inner peripheral surface be the conical surface, the tapered end of the conical surface is oil collecting hole.
17. the low back pressure compressor according to any one of claim 1-16, which is characterized in that by the oil-gas separation chamber
Obtained lubricating oil is exported to the moving component of the compression mechanism after separation, to lubricate the moving component.
18. low back pressure compressor according to claim 17, which is characterized in that the compression mechanism includes：Base bearing, gas
Cylinder, supplementary bearing, bent axle and cover board, have the compression chamber in the cylinder, the cover board be arranged on the supplementary bearing and with
The high pressure gas chamber is formed between the supplementary bearing.
19. low back pressure compressor according to claim 18, which is characterized in that the direction Oil-gas Separation of the cover board
The surface of chamber is formed with high pressure sump, and the high pressure sump receives the lubricating oil by the oil-gas separation chamber resulting separation, and
And the lubricating oil in the high pressure sump can be conveyed to the moving component.
20. low back pressure compressor according to claim 19, which is characterized in that further include：Oil return component, the oil return group
The oil inlet end of part is extend into the high pressure sump, and the oil outlet end of the oil return component is opened wide towards the moving component.
21. low back pressure compressor according to claim 20, which is characterized in that the oil return component includes：Oil return pipe and
The oil return hole being formed in the supplementary bearing, the oil return pipe are inserted partially into the oil return hole, the lower end of the oil return pipe
It for oil inlet end and extend into the high pressure sump, the upper end of the oil return hole is oil outlet end and towards the moving component.
22. low back pressure compressor according to claim 21, which is characterized in that the bent axle has countershaft section, the pair
Bearing has Curved shaft support portion, and the Curved shaft support portion is corresponding with the countershaft section and is used to support the countershaft section, described time
The oil outlet end of oilhole runs through the inner peripheral surface in the Curved shaft support portion, and the inner peripheral surface in the Curved shaft support portion and the countershaft section
Peripheral surface between be spaced apart to form the first oil return slit, the first oil return slit is connected to the oil return hole and positioned at institute
State the low pressure oil sump below the first oil return slit.
23. low back pressure compressor according to claim 21, which is characterized in that the oil return hole is with the relatively described supplementary bearing
Inclined mode is formed in the Curved shaft support portion of the supplementary bearing, the angle of the center line of the oil return hole and the supplementary bearing
It it is 20 ° -70 °, the oil return pipe is partially embedded into identical angled manner and is fixed in the oil return hole.
24. low back pressure compressor according to claim 19, which is characterized in that the bottom of the oil-gas separation chamber is provided with
Oil collecting hole, the oil collecting hole are connected with the high pressure sump.
25. low back pressure compressor according to claim 1, which is characterized in that the compression mechanism includes：Base bearing, gas
Cylinder, supplementary bearing, bent axle and cover board, have the compression chamber in the cylinder, the cover board be arranged on the supplementary bearing and with
The high pressure gas chamber is formed between the supplementary bearing；
The surface of the direction oil-gas separation chamber of the cover board is formed with high pressure sump, and the high pressure sump is received by the oil
The lubricating oil of gas disengagement chamber resulting separation；
It is provided with decompressor between the wherein described high pressure sump and low pressure oil sump.
26. low back pressure compressor according to claim 25, which is characterized in that the decompressor is pressure reducing valve or hair
Tubule.
27. low back pressure compressor according to claim 1, which is characterized in that the compression mechanism includes：Base bearing, gas
Cylinder, supplementary bearing, bent axle and cover board, have the compression chamber in the cylinder, the cover board be arranged on the supplementary bearing and with
The high pressure gas chamber is formed between the supplementary bearing；
The surface of the direction oil-gas separation chamber of the cover board is formed with high pressure sump, and the high pressure sump is received by the oil
The lubricating oil of gas disengagement chamber resulting separation；
Pore is formed in the wherein described cover board, one end of the pore is connected to the high pressure sump and the other end runs through institute
State the peripheral surface of cover board.
28. low back pressure compressor according to claim 27, which is characterized in that the pore be it is a plurality of and between the upper and lower every
It is formed in opening in the cover board, described one end of the pore horizontal extension and a plurality of pore passes through common-use tunnel
It is connected to the bottom of the high pressure sump.
29. low back pressure compressor according to claim 19, which is characterized in that further include：Drainback passage, the oil return are logical
Road is connected to the sliding vane groove in the high pressure sump and the cylinder, and the slide plate in the sliding vane groove forms pumping by reciprocating motion
Inhale the suction power of lubricating oil in the high pressure sump.
30. low back pressure compressor according to claim 29, which is characterized in that the tail portion of the sliding vane groove is formed with tail portion
The upper end of oil storage tank, the drainback passage is connected to the tail portion oil storage tank and lower end is connected to the high pressure sump.
31. low back pressure compressor according to claim 30, which is characterized in that the slide plate is formed in the sliding vane groove
There is the second oil return slit, one end of the second oil return slit is connected to the tail portion oil storage tank and the other end extends to the cylinder
Inner peripheral surface.
32. low back pressure compressor according to claim 30, which is characterized in that the tail portion oil storage tank is connected to exhaust pressure
Power, and the outer end sealing of the sliding vane groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721920997.8U CN207777175U (en) | 2017-12-28 | 2017-12-28 | Low back pressure compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721920997.8U CN207777175U (en) | 2017-12-28 | 2017-12-28 | Low back pressure compressor |
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| Publication Number | Publication Date |
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| CN207777175U true CN207777175U (en) | 2018-08-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087275A (en) * | 2017-12-28 | 2018-05-29 | 广东美芝制冷设备有限公司 | Low back pressure compressor |
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087275A (en) * | 2017-12-28 | 2018-05-29 | 广东美芝制冷设备有限公司 | Low back pressure compressor |
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