CN208123064U - A kind of variable-flow screw compressor - Google Patents
A kind of variable-flow screw compressor Download PDFInfo
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- CN208123064U CN208123064U CN201820390921.7U CN201820390921U CN208123064U CN 208123064 U CN208123064 U CN 208123064U CN 201820390921 U CN201820390921 U CN 201820390921U CN 208123064 U CN208123064 U CN 208123064U
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Abstract
A kind of variable-flow screw compressor, including shell, upper end cover, lower cover, control box, the first compression mechanism, the second compression mechanism；First compression mechanism includes the first fixed scroll, the first movable orbiting scroll, the first support frame, the first gasket, the first venthole is offered on first support frame, first venthole two sidewalls offer accommodating cavity respectively, two accommodating cavity bottoms are respectively equipped with electromagnet, the first block is equipped in one accommodating cavity, first block end is equipped with magnet, and the second block is equipped in another accommodating cavity, and the second block end is equipped with magnet；It controls and is equipped with controller in box, electromagnet is electrically connected with the controller.Gas can control to enter compression chamber by the opening and closing of baffle, first compression mechanism is different with the dynamic and static whirlpool disk size of the second compression mechanism, and the output of three kinds of different refrigerating capacitys can be achieved in the opening and closing of cooperation support frame overhead gage, can be widely applied in various working environments, and structure is simple, it is at low cost.
Description
Technical field
The utility model relates to screw compressor fields, and in particular to a kind of screw compressor of changeable flow.
Background technique
Screw compressor is widely used in automobile since it has many advantages, such as that energy-efficient, noise is lower, runs smoothly
In industry.Screw compressor is mainly formed by the dynamic and static vortex of two digamma function equation scrollworks is mutually ratcheting.Air-breathing, compression,
During exhaust work, fixed scroll is fixed on the rack, and movable orbiting scroll is driven by crankshaft and restricted by anti-rotation mechanism, surrounds quiet whirlpool
The Plane Rotation of very little radius is done at disk basic circle center, and gas sucks the periphery of fixed scroll, and with the rotation of eccentric shaft, gas is dynamic
Quiet disk engagement is closed gradually to be compressed in several composed crescent compression chambers, then by the axial hole of fixed scroll central module
Continuously send.
It is in the prior art the refrigerating capacity of change screw compressor to adapt to different operating demand, usually selects digital-code type whirlpool
Revolve compressor or DC frequency-changing formula screw compressor.Digital-code type screw compressor is using axial " flexibility " technology, due to compression
The flexible design of machine makes two scroll plates axially have a microseparation.But the dynamic and static whirlpool disk of digital scroll compressor needs
Transfiguration adjustment is realized along certain distance is axially disengaging, therefore the frequent opening and closing of scroll plate can greatly damage digital-code type
The service life of screw compressor.DC variable-frequency vortex compressor is the permanent magnetism of the rotating excitation field and rotor that are generated by motor stator
Compressor operation is realized in field directly effect.Change input voltage and frequency by DC frequency-changing device, to carry out to motor
Speed regulation.But frequency-variable controller, and higher cost need to be arranged in DC frequency-changeable compressor.
Utility model content
Based on problem and deficiency described in background technique, the utility model is intended to provide that one kind is hardly damaged and cost is relatively low
Variable-flow screw compressor.
In order to achieve the above objectives, the utility model uses following technical scheme：
A kind of variable-flow screw compressor, the screw compressor include shell, upper end cover, lower cover, control box, turn
Axis, the first compression mechanism, the second compression mechanism, the upper end cover side wall offer first row port, and the lower cover side wall is opened
Equipped with second exhaust port；First compression mechanism includes the first fixed scroll, the first movable orbiting scroll, the first support frame, the first gasket,
Offering the first venthole on first support frame, first venthole two sidewalls offer accommodating cavity respectively, and described two
Accommodating cavity bottom is respectively equipped with electromagnet, is equipped with the first block in an accommodating cavity, first block end be equipped with magnet,
Front end offers several rectangular channels, and sealing strip is equipped in the rectangular channel, is equipped with the second block in another accommodating cavity, and described second
Block end is equipped with magnet；Controller is equipped in the control box, the electromagnet is electrically connected with the controller.
Preferably, second compression mechanism includes the second fixed scroll, the second movable orbiting scroll, the second support frame, the second gasket,
Offering the second venthole on second support frame, second venthole two sidewalls offer accommodating cavity respectively, and described two
Accommodating cavity bottom is respectively equipped with electromagnet, is equipped with the first block in an accommodating cavity, first block end be equipped with magnet,
Front end offers several rectangular channels, and sealing strip is equipped in the rectangular channel, is equipped with the second block in another accommodating cavity, and described second
Block end is equipped with magnet；The electromagnet is electrically connected with the controller；The second fixed scroll scrollwork axial length is greater than described
First fixed scroll, the second movable orbiting scroll scrollwork axial length are greater than first movable orbiting scroll.
Preferably, the first fixed scroll top end surface is machined with inclined-plane, and the first fixed scroll top end surface is along axial
It offers the first lubricant passage way described in the first lubricant passage way and is located at the inclined-plane lower；It is opened along axial direction first support frame end face
Equipped with first through hole, first lubricant passage way is connected to setting with the first through hole.
Preferably, the second fixed scroll top end surface is provided in the axial direction with the second lubricant passage way, second support frame
End face is provided in the axial direction with the second through-hole, and second lubricant passage way is connected to setting with second through-hole.
Preferably, the lower cover inner wall is fixedly connected with oil baffle, and the oil baffle is close to the second exhaust port side
It is machined with tapered slope, the oil baffle is axially machined with several pores close to the second exhaust port lateral edge.
Preferably, the oil baffle bottom surface and the lower cover inner wall are enclosed shoe cream room, storage in the shoe cream room
There is lubricating oil.
Preferably, centrifugal pump is equipped in the shoe cream room, described centrifugal pump one end connects the first petroleum pipeline, other end connection
Second petroleum pipeline；First petroleum pipeline one end is connect with the centrifugal pump, the other end be located in shoe cream room lubricating oil liquid level it
Under；Second petroleum pipeline one end is connect with the centrifugal pump, and the other end is connected to second lubricant passage way.
Preferably, the lower cover side wall is equipped with liquid level sensor, and the liquid level sensor position is slightly above described first
The petroleum pipeline other end, the liquid level sensor are electrically connected with the controller.
The utility model has the beneficial effects that：
1, it is provided with baffle at the venthole of the first support frame and the second support frame, gas can control by the opening and closing of baffle
Into compression chamber, the first compression mechanism is different with the dynamic and static whirlpool disk size of the second compression mechanism, and cooperation support frame overhead gage is opened
The output for closing achievable three kinds different refrigerating capacitys, can be widely applied in various working environments, and structure is simple, at low cost.
2, the liquid level sensor in lower cover can detect lubricants capacity, and when lubricating oil liquid level is lower than sensor, liquid level is passed
Sensor prompts low on fuel.The setting of liquid level sensor convenient for operator grasp screw compressor in lubricants capacity, without pair
Compressor, which is dismantled, may know that oil mass situation, convenient for the daily maintenance of screw compressor.
3, the flowing of fixed scroll and oil baffle ramp being provided with conducive to lubricating oil, can effectively recycle in compressor
Lubricating oil, structure is simple, at low cost.Block be equipped with sealing strip, it is ensured that block against when sealing performance.
Detailed description of the invention
Fig. 1 is the utility model scroll compressor structure schematic diagram；
Fig. 2 is the utility model the first compression mechanism schematic diagram；
Fig. 3 is the utility model the second compression mechanism schematic diagram；
Fig. 4 is the utility model the first support frame partial schematic diagram；
Fig. 5 is the utility model the first support frame partial schematic diagram；
Fig. 6 is the utility model the second support frame partial schematic diagram；
Fig. 7 is the utility model the second support frame partial schematic diagram.
Description of symbols：Shell 1, upper end cover 2, lower cover 3, control box 4, shaft 5, air inlet 6, controller 7, low pressure
Chamber 8, first row port 9, oil eliminator 10, the first fixed scroll 11, the first cross 12, the first gasket 13, first row stomata 14,
First support frame 15, accommodation groove 16, the first venthole 17, the first axle sleeve 18, the first crankshaft 19, the first movable orbiting scroll 20, first are high
Press chamber 21, inclined-plane 22, strainer 23, the first lubricant passage way 24, the first circular hole 25, first through hole 26, the second fixed scroll 27, second bent
Axis 28, the second axle sleeve 29, the second venthole 30, the second cross 31, the second support frame 32, the second through-hole 33, the second circular hole 34,
Second gasket 35, the second movable orbiting scroll 36, the second lubricant passage way 37, the second petroleum pipeline 38, shoe cream room 39, liquid level sensor 40, from
Heart pump 41, the first petroleum pipeline 42, second row stomata 43, oil baffle 44, pore 45, tapered slope 46, second exhaust port 47,
Two high pressure chests 48, electromagnet 49, magnet 50, the first block 51, the second block 52, accommodating cavity 53, sealing strip 54.
Specific embodiment
The utility model is further described below in conjunction with the drawings and specific embodiments, but present embodiment is simultaneously
It is not limited to content below, arbitrarily can change and implement in the range of the purport of lossless the utility model.
As shown in Figure 1-3, the utility model screw compressor includes shell 1, upper end cover 2, lower cover 3, control box 4, turns
Axis 5, the first compression mechanism, the second compression mechanism, 1 side wall of shell offer air inlet 6, the control box 4 with it is described outer
The connection of 1 side wall of shell, controls in box 4 and is equipped with controller 7.1 upper end of shell and 2 company of being bolted of upper end cover
It connects, ring type seal is equipped between 1 upper end end face of shell and 2 end face of upper end cover, 1 lower end of shell and the lower cover 3 are logical
It crosses bolt to be fixedly connected, ring type seal is equipped between 3 end face of 1 lower end surface of shell and lower cover.2 side wall of upper end cover is opened
Equipped with first row port 9, oil eliminator 10 is equipped at the first row port 9, above-mentioned 3 side wall of lower cover offers second exhaust
Mouthfuls 47, oil eliminator 10 is equipped at the second exhaust port 47.
As shown in Fig. 2, first compression mechanism include the first fixed scroll 11, the first movable orbiting scroll 20, the first support frame 15,
First gasket 13,11 upper end of the first fixed scroll is fixedly connected by pin shaft with the upper end cover 2, in the first fixed scroll 11
Ring type seal is equipped between 2 end face of end and upper end cover.First support frame, 15 lower end passes through pin shaft and the shell 1
Inner wall is fixedly connected.The first gasket 13, first fixed scroll 11 are equipped between first fixed scroll 11 and the first support frame 15
It is inside equipped with the first movable orbiting scroll 20, the first fixed scroll 11 and the first movable orbiting scroll 20 are set to 13 side of the first gasket, the first cross
12 and first support frame 15 be set to 13 other side of the first gasket.Gasket separates movable orbiting scroll and support frame, screw compressor
When work, movable orbiting scroll is moved in gasket surface, to efficiently avoid the contact wear of movable orbiting scroll and support frame.
The volume top end face of first movable orbiting scroll 20 open up it is fluted, the groove internal clearance be equipped with sealing ring, sealing ring
11 bottom surface of the first fixed scroll is abutted, the wrap tip face of first fixed scroll 11 opens up fluted, the groove
Internal clearance is equipped with sealing ring, and sealing ring abuts 20 bottom surface of the first movable orbiting scroll.
As schemed shown in 4-5, the first venthole 17,17 liang of first venthole are offered on first support frame 15
Side wall offers accommodating cavity 53 respectively, and two accommodating cavities, 53 bottom is respectively equipped with electromagnet 49, sets in an accommodating cavity 53
There is the first block 51,51 end of the first block is equipped with magnet 50, front end offers several rectangular channels, sets in the rectangular channel
There is sealing strip 54, the second block 52 is equipped in another accommodating cavity 53,52 end of the second block is equipped with magnet 50；The control
Controller 7 is equipped in box 4, the electromagnet 49 is electrically connected with controller 7.
The electromagnet 49 generates magnetic force after being powered, controller 7 changes the current direction of electromagnet 49, to control electromagnetism
Iron 49 generates attraction or repulsive force to magnet 50.When the electromagnet 49 attracts magnet 50, first block 51 and the
Two blocks 52 slide into accommodating cavity 53 through magneticaction, and the first venthole 17 is in the open state at this time, and system refrigerant can be via
It is compressed in the compression chamber that first venthole 17 flows into first fixed scroll 11 and first movable orbiting scroll 20 is formed.
When the electromagnet 49 repels magnet 50, first block 51 and the second block 52 skid off appearance through magneticaction
Chamber 53 is set, 51 end face of the first block is mutually abutted with 52 end face of the second block, thus the first venthole 17 of closing, system is cold at this time
Matchmaker is blocked on outside the first venthole 17, since system refrigerant cannot be introduced into compression chamber, so that pressure of the whirlpool disk without gas
Contracting.The setting of block forward end seal item can guarantee air-tightness when the first block 51 is mutually abutted with the second block 52, effectively
Avoid the leakage of system refrigerant.
As shown in figure 3, second compression mechanism include the second fixed scroll 27, the second movable orbiting scroll 36, the second support frame 32,
Second gasket 35,27 upper end of the second fixed scroll is fixedly connected by pin shaft with the lower cover 3, in the second fixed scroll 27
Ring type seal is equipped between 3 end face of end and lower cover.Second support frame, 32 lower end passes through pin shaft and the shell 1
Inner wall is fixedly connected.The second gasket 35, second fixed scroll 27 are equipped between second fixed scroll 27 and the second support frame 32
It is inside equipped with the second movable orbiting scroll 36, the second fixed scroll 27 and the second movable orbiting scroll 36 are set to 35 side of the second gasket, the second cross
31 and second support frame 32 be set to 35 other side of the second gasket, gasket separates movable orbiting scroll and support frame.
The volume top end face of second movable orbiting scroll 36 open up it is fluted, the groove internal clearance be equipped with sealing ring, sealing ring
27 bottom surface of the second fixed scroll is abutted, the wrap tip face of second fixed scroll 27 opens up fluted, the groove
Internal clearance is equipped with sealing ring, and sealing ring abuts 36 bottom surface of the second movable orbiting scroll.
As schemed shown in 4-5, the second venthole 30,30 liang of first venthole are offered on second support frame 32
Side wall offers accommodating cavity 53 respectively, and two accommodating cavities, 53 bottom is respectively equipped with electromagnet 49, sets in an accommodating cavity 53
There is the first block 51,51 end of the first block is equipped with magnet 50, front end offers several rectangular channels, sets in the rectangular channel
There is sealing strip 54, the second block 52 is equipped in another accommodating cavity 53,52 end of the second block is equipped with magnet 50, the electromagnetism
Iron 49 is electrically connected with controller 7.The block motion mode of second venthole, 30 two sides and 17 two sides of the first venthole
Block motion mode is identical.
Second fixed scroll, the 27 scrollwork axial length is greater than first fixed scroll 11,36 scrollwork of the second movable orbiting scroll
Axial length is greater than first movable orbiting scroll 20, so that the compression that the first fixed scroll 11 and the first movable orbiting scroll 20 cooperatively form
Cavity volume is less than the compression chamber volume that second fixed scroll 27 and the second movable orbiting scroll 36 cooperatively form, thus the first compressor
Structure, the second compression mechanism can produce different refrigerating capacitys.Controller 7 controls the baffle of the first venthole 17 and the second venthole 30
When opening simultaneously, system refrigerant enters the first compression mechanism and the second compression mechanism, at this time the exportable maximum of screw compressor
Refrigerating capacity.The baffle that controller 7 controls the first venthole 17 is opened, the baffle of the second venthole 30 closure, system refrigerant only into
Enter the first compression mechanism, screw compressor exports minimum refrigerating capacity at this time.The baffle that controller 7 controls the first venthole 17 closes
It closes, the baffle of the second venthole 30 is opened, and system refrigerant only enters the second compression mechanism, and screw compressor exports medium system at this time
Cooling capacity, thus the utility model screw compressor can realize the different refrigerating capacitys of output.
As shown in Figure 1-3,5 upper end of shaft is rotatablely connected by sliding bearing and first support frame 15, it is described
5 lower end of shaft is rotatablely connected by sliding bearing and second support frame 32.Shaft 5 is driven by hollow motor to be rotated, institute
The rotor for stating hollow motor is fixedly connected with the shaft 5, and stator is fixedly connected with 1 inner wall of shell.
5 upper end of shaft is equipped with the first axle sleeve 18 integrally formed with the first crankshaft 19,19 end sleeve of the first crankshaft,
First axle sleeve 18 is fixed on 19 crankshaft end of the first crankshaft by spring arch clasp.First movable orbiting scroll, 20 bottom passes through rolling
Needle bearing and first axle sleeve 18 rotation are socketed, and first cross 12 is set to the first support frame 15 and the first movable orbiting scroll
Between 20.
5 lower end of shaft is equipped with the second axle sleeve 29 integrally formed with the second crankshaft 28,28 end sleeve of the second crankshaft,
Second axle sleeve 29 is fixed on 28 crankshaft end of the second crankshaft by spring arch clasp.Second movable orbiting scroll, 36 bottom passes through rolling
Needle bearing and second axle sleeve 29 rotation are socketed, and second cross 31 is set to the second support frame 32 and the second movable orbiting scroll
Between 36.
First row stomata 14 is offered at the top of first fixed scroll 11,11 top end surface of the first fixed scroll is machined with
Inclined-plane 22,11 top end surface of the first fixed scroll are provided in the axial direction with the first lubricant passage way 24, first lubricant passage way 24
Positioned at 22 lower of inclined-plane.First support frame, 15 end face is provided in the axial direction with first through hole 26, first gasket 13
The first circular hole 25 is offered, first lubricant passage way 24 is connected to the first through hole 26 by first circular hole 25 and is set
It sets.
The upper end cover 2 is enclosed the first high pressure chest 21,1 inner wall of shell and the first support with first fixed scroll 11
Frame 15, the second support frame 32 are enclosed low pressure chamber 8.The mixed gas of system refrigerant and lubricating oil by the first venthole 17 into
Enter in the first compression mechanism, after the first movable orbiting scroll 20 and the compression of the first fixed scroll 11, high pressure gas enters the first high pressure chest 21
Interior, effect of the mist of oil through oil eliminator 10 in high pressure chest mixed gas becomes oil droplet and falls to 11 surface of the first fixed scroll.The
The inclined-plane 22 on one fixed scroll, 11 surface will lubricate first lubricant passage way 24 of the oil droplet convergence flow to 22 lower of inclined-plane, and lubricating oil is through institute
It states the first lubricant passage way 24, the first circular hole 25, first through hole 26 to be back in low pressure chamber 8, to effectively reduce scroll compression
The loss of lubricating oil in contracting machine.
Described first lubricant passage way, 24 one end is equipped with strainer 23, and 11 outer surface of the first fixed scroll is machined with accommodation groove
16, the strainer 23 is set in accommodation groove 16.The setting of strainer 23 can be by the contaminant filter in oil droplet, to prevent impurity blocking the
One lubricant passage way 24.
Second row stomata 43 is offered at the top of second fixed scroll 27,27 top end surface of the second fixed scroll is along axial
Offer the second lubricant passage way 37.Second support frame, 32 end face is provided in the axial direction with the second through-hole 33, second gasket
35 offer the second circular hole 34, second lubricant passage way 37 is connected to by second circular hole 34 with second through-hole 33
Setting.
3 inner wall of lower cover is fixedly connected with oil baffle 44, and the oil baffle 44 is close to 47 side of second exhaust port
It is machined with tapered slope 46, the oil baffle 44 is axially machined with several pores 45 close to 47 lateral edge of second exhaust port.
44 bottom surface of oil baffle and 3 inner wall of lower cover are enclosed shoe cream room 39, are stored with lubricating oil in the shoe cream room 39.
The lower cover 3 is enclosed the second high pressure chest 48 with second fixed scroll 27,44 top surface of oil baffle, and system is cold
The mixed gas of matchmaker and lubricating oil is entered in the second compression mechanism by the second venthole 30, quiet through the second movable orbiting scroll 36 and second
After whirlpool disk 27 compresses, high pressure gas enters in the second high pressure chest 28, and the mist of oil in high pressure chest mixed gas is through oil eliminator 10
Effect, becomes oil droplet and falls to 44 surface of oil baffle.The tapered slope 46 on 44 surface of oil baffle will lubricate oil droplet convergence, and through hair
Pore 45 flows into shoe cream room 39, to effectively reduce the loss of lubricating oil in screw compressor.
It is equipped with centrifugal pump 41 in the shoe cream room 39, centrifugal pump 41 is fixed by the bracket in 3 side wall of lower cover.The centrifugation
It pumps one end and connects the first petroleum pipeline 42, the other end connects the second petroleum pipeline 41, described first petroleum pipeline, 42 one end and the centrifugation
41 connection of pump, the other end are located in shoe cream room 39 under lubricating oil liquid level.Second petroleum pipeline 41 is fixed by the bracket setting
On 27 surface of the second fixed scroll, 41 one end of the second petroleum pipeline is connect with the centrifugal pump 41, the other end and second lubricating oil
Road 37 is connected to.Lubricating oil in shoe cream room 39 is flowed into through the first petroleum pipeline 42 and the extraction of the second petroleum pipeline 41 when centrifugal pump 41 works
Second lubricant passage way 37, and be back in low pressure chamber 8 from the second through-hole 33.
3 side wall of lower cover is equipped with liquid level sensor 40, and it is defeated that 40 position of liquid level sensor is slightly above described first
42 other end of oil pipe, the liquid level sensor 40 are electrically connected with the controller 7.The liquid level sensor 40 is for detecting oil storage
Lubricants capacity in chamber 39, when lubricating oil liquid level is lower than liquid level sensor 40 in shoe cream room 39, sensor transmits a signal to control
Device 7 processed, the controller 7 receive after signal that lubricants capacity is insufficient in warning note shoe cream room 39.The liquid level sensor 40 omits
Higher than 42 other end of the first petroleum pipeline, guarantee that lubricating oil liquid level is higher than 42 other end of the first petroleum pipeline in shoe cream room 39, from
And avoid the oil-free idle running of centrifugal pump 41.
The utility model is described in detail above, its object is to allow the personage for being familiar with this field technology can be much of that
It solves the content of the utility model and is implemented, do not limit the protection scope of the present invention, it is all practical according to this
Equivalent change or modification made by novel Spirit Essence should all cover within the protection scope of the present utility model.
Claims (8)
1. a kind of variable-flow screw compressor, it is characterised in that：The screw compressor include shell (1), upper end cover (2), under
End cap (3), control box (4), shaft (5), the first compression mechanism, the second compression mechanism, upper end cover (2) side wall offer the
One exhaust outlet (9), lower cover (3) side wall offer second exhaust port (47)；First compression mechanism includes first quiet
Whirlpool disk (11), the first movable orbiting scroll (20), the first support frame (15), the first gasket (13) open up on first support frame (15)
Have the first venthole (17), the first venthole (17) two sidewalls offer accommodating cavity (53) respectively, two accommodating cavity
(53) bottom is respectively equipped with electromagnet (49), is equipped with the first block (51) in an accommodating cavity (53), first block
(51) end is equipped with magnet (50), front end offers several rectangular channels, is equipped with sealing strip (54) in the rectangular channel, another accommodating
The second block (52) are equipped in chamber (53), the second block (52) end is equipped with magnet (50)；It is equipped in the control box (4)
Controller (7), the electromagnet (49) are electrically connected with controller (7).
2. variable-flow screw compressor according to claim 1, it is characterised in that：Second compression mechanism includes second quiet
Whirlpool disk (27), the second movable orbiting scroll (36), the second support frame (32), the second gasket (35) open up on second support frame (32)
Have the second venthole (30), the second venthole (30) two sidewalls offer accommodating cavity (53) respectively, two accommodating cavity
(53) bottom is respectively equipped with electromagnet (49), is equipped with the first block (51) in an accommodating cavity (53), first block
(51) end is equipped with magnet (50), front end offers several rectangular channels, is equipped with sealing strip (54) in the rectangular channel, another accommodating
The second block (52) are equipped in chamber (53), the second block (52) end is equipped with magnet (50)；The electromagnet (49) and control
Device (7) electrical connection processed；Second fixed scroll (27) the scrollwork axial length is greater than first fixed scroll (11), and described second is dynamic
Whirlpool disk (36) scrollwork axial length is greater than first movable orbiting scroll (20).
3. variable-flow screw compressor according to claim 1, it is characterised in that：First fixed scroll (11) top end surface
It being machined with inclined-plane (22), the first fixed scroll (11) top end surface is provided in the axial direction with the first lubricant passage way (24), and described
One lubricant passage way (24) is located at the inclined-plane (22) lower；First support frame (15) end face is provided in the axial direction with first through hole
(26), first lubricant passage way (24) is connected to setting with the first through hole (26).
4. variable-flow screw compressor according to claim 2, it is characterised in that：Second fixed scroll (27) top end surface
It being provided in the axial direction with the second lubricant passage way (37), the second support frame (32) end face is provided in the axial direction with the second through-hole (33),
Second lubricant passage way (37) is connected to setting with second through-hole (33).
5. variable-flow screw compressor according to claim 4, it is characterised in that：Lower cover (3) inner wall is fixedly connected
Have oil baffle (44), the oil baffle (44) is machined with tapered slope (46), the gear close to the second exhaust port (47) side
Oiled-plate method (44) is axially machined with several pores (45) close to the second exhaust port (47) lateral edge.
6. variable-flow screw compressor according to claim 5, it is characterised in that：Oil baffle (44) bottom surface and it is described under
End cap (3) inner wall is enclosed shoe cream room (39), is stored with lubricating oil in the shoe cream room (39).
7. variable-flow screw compressor according to claim 6, it is characterised in that：Centrifugal pump is equipped in the shoe cream room (39)
(41), centrifugal pump one end connection the first petroleum pipeline (42), the other end connect the second petroleum pipeline (38)；First petroleum pipeline
(42) one end is connect with the centrifugal pump (41), and the other end is located under shoe cream room (39) interior lubricating oil liquid level；Described second is defeated
Oil pipe (38) one end is connect with the centrifugal pump (41), and the other end is connected to second lubricant passage way (37).
8. variable-flow screw compressor according to claim 7, it is characterised in that：Lower cover (3) side wall is equipped with liquid level
Sensor (40), liquid level sensor (40) position are slightly above the first petroleum pipeline (42) other end, the level sensing
Device (40) is electrically connected with the controller (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820390921.7U CN208123064U (en) | 2018-03-22 | 2018-03-22 | A kind of variable-flow screw compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820390921.7U CN208123064U (en) | 2018-03-22 | 2018-03-22 | A kind of variable-flow screw compressor |
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| Publication Number | Publication Date |
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| CN208123064U true CN208123064U (en) | 2018-11-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278206A (en) * | 2018-03-22 | 2018-07-13 | 宁波汇峰聚威科技股份有限公司 | A kind of variable-flow screw compressor |
| CN110107503A (en) * | 2019-05-30 | 2019-08-09 | 浙江科技学院 | A kind of scroll machine and its electromagnetic mechanism |
| CN112526895A (en) * | 2020-11-27 | 2021-03-19 | 田龙强 | Concrete irrigation equipment for building foundation pit manufacturing |
-
2018
- 2018-03-22 CN CN201820390921.7U patent/CN208123064U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278206A (en) * | 2018-03-22 | 2018-07-13 | 宁波汇峰聚威科技股份有限公司 | A kind of variable-flow screw compressor |
| CN110107503A (en) * | 2019-05-30 | 2019-08-09 | 浙江科技学院 | A kind of scroll machine and its electromagnetic mechanism |
| CN110107503B (en) * | 2019-05-30 | 2020-04-28 | 浙江科技学院 | Scroll machine and electromagnetic mechanism thereof |
| CN112526895A (en) * | 2020-11-27 | 2021-03-19 | 田龙强 | Concrete irrigation equipment for building foundation pit manufacturing |
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