CN208734544U - Become four cylinder Two-stage Compression compressor with rolling rotor of discharge capacity - Google Patents
Become four cylinder Two-stage Compression compressor with rolling rotor of discharge capacity Download PDFInfo
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- CN208734544U CN208734544U CN201821252402.0U CN201821252402U CN208734544U CN 208734544 U CN208734544 U CN 208734544U CN 201821252402 U CN201821252402 U CN 201821252402U CN 208734544 U CN208734544 U CN 208734544U
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Abstract
The utility model discloses a kind of four cylinder Two-stage Compression compressor with rolling rotor of change discharge capacity, including casing, the eccentric main axis for being driven rotation being mounted in casing and four cylinders being arranged from top to bottom；Each cylinder includes being sleeved in the outer circle of four crank-pins of eccentric main axis and being respectively formed four rolling-rotors, four cylinder sleeves by what partition was spaced；Four crank-pins are gradually increased from top to bottom and radial direction is in 90 degree of angles；There is a cylinder body respectively on the outside of four cylinder sleeves；Crescent-shaped space is respectively formed between four rolling-rotor outer surfaces and the inner surface of corresponding cylinder body；Sliding vane groove is set on each cylinder body, spring and slide plate be installed respectively in the sliding vane groove, slide plate respectively with the outer surface of corresponding rolling-rotor is tangent that corresponding crescent-shaped space is separated into two parts.The utility model can form 1,2/3,1/3, the Two-stage Compression of 0 four kind of displacement by controlling respective cylinder interior gas inlet and outlet, and displacement needs when real refrigerant system feature load operation.
Description
Technical field
The utility model relates to refrigeration technology fields, and in particular to a kind of four cylinder Two-stage Compression rolling-rotor of change discharge capacity compression
Machine.
Background technique
Application of the rolling rotor refrigeration compressor in food refrigerated field is gradually increased, but if the cooling load of system
It is larger, need to increase output tolerance, i.e., increase volume space, cylinder size increase, and the diameter of rolling-rotor increases, the weight of main shaft
Amount increases, and the overall weight of rolling rotor refrigeration compressor increases, meanwhile, cooling load needs refrigeration compressor to have when changing
The function that displacement is adjusted, to reduce the energy consumption of refrigeration compressor.Therefore, multi-cylinder combination can be designed, complete machine both can be improved
Output tolerance when exporting tolerance, and sub-load may be implemented is adjusted.
Utility model content
The utility model be in order to overcome the shortcomings in the prior art place, provide become four cylinder Two-stage Compression of discharge capacity roll turn
Sub- compressor, it is energy saving with the requirement of completely food refrigerated refrigeration system variable load operation, protect environment.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
Become four cylinder Two-stage Compression compressor with rolling rotor of discharge capacity, including casing, is mounted in the casing and is driven rotation
The eccentric main axis turned and the first cylinder, the second cylinder, third cylinder and the 4th cylinder that are arranged from top to bottom；First cylinder, the second cylinder,
Third cylinder respectively includes being spaced in the outer circle for four crank-pins for being sleeved on the eccentric main axis and by partition with the 4th cylinder
The first cylinder sleeve for being respectively formed the first rolling-rotor, the second rolling-rotor, third rolling-rotor and the 4th rolling-rotor,
Two cylinder sleeves, third cylinder sleeve and the 4th cylinder sleeve；Four crank-pins are gradually increased from top to bottom and radial direction is in 90 degree of folders
Angle；First cylinder sleeve, the second cylinder sleeve, third cylinder sleeve and the 4th cylinder sleeve outside have the first cylinder body, second respectively
Cylinder body, third cylinder body and the 4th cylinder body；Upper end cover and lower cover are respectively arranged on the outside of first cylinder body and the 4th cylinder body；
Crescent-shaped space is respectively formed between four rolling-rotor outer surfaces and the inner surface of corresponding cylinder body；Each cylinder
Sliding vane groove is set on body, installed respectively in the sliding vane groove spring and can in sliding vane groove opposite sliding slide plate, the slide plate divides
Not with the outer surface of corresponding rolling-rotor is tangent that corresponding crescent-shaped space is separated into two parts.
4th cylinder, third cylinder, the second cylinder gas volume space be four times of the first cylinder respectively, three times and two times.
The long end of the main shaft of the eccentric main axis and rotor cooperate, and the rotor and motor stator cooperate.
The casing includes upper half casing and lower half casing, and the aperture that the center of the upper half casing opens up is welded with centre
Exhaust pipe.
Outer radius and bias master of each rolling-rotor with the eccentricity at the center of eccentric main axis for its corresponding cylinder sleeve
The main shaft semidiameter of axis.
The upper end cover and lower cover are set on the eccentric main axis, the upper end cover is separately positioned on lower cover
The outside of first cylinder body and the 4th cylinder body；The lower cover is fixedly connected with the 4th cylinder body by screw, the upper end
Lid is fixedly connected with the first cylinder body by screw.
Each partition is made of two plate portions that center opens up semicircle aperture, and two plate portion docking are sleeved on partially
Outside heart main shaft, it is fixed between two cylinder bodies by gasket seal and partition screw respectively.
The upper position that 4th cylinder body corresponds to sliding vane groove is equipped with the 4th cylinder suction hole being connected to the 4th cylinder air inlet pipe,
The symmetrical position of the 4th cylinder suction hole is provided with the 4th cylinder gas vent；
The upper position that the third cylinder body corresponds to sliding vane groove is provided with the third cylinder suction hole being connected to third cylinder air inlet pipe,
The symmetrical position of third cylinder suction hole is provided with third cylinder gas vent.
The utility model becomes four cylinder Two-stage Compression compressor with rolling rotor of discharge capacity, configures four various sizes of cylinders, leads to
Solenoid valve control respectively cylinder interior gas inlet and outlet is crossed, 1 can be combined into, 2/3,1/3, the Two-stage Compression of 0 four kind of displacement,
Realize that displacement when food storage refrigerant system feature load operation needs, it is energy saving, protect environment；The symmetrical cloth of sliding vane groove
It sets, four rolling-rotors, can be from uneven revolution inertia force to be offset, refrigeration compressor smooth running, noise is small, reliability
It is high.
Detailed description of the invention
Fig. 1 is the schematic diagram that the utility model becomes four cylinder Two-stage Compression compressor with rolling rotor of discharge capacity；
Fig. 2 is the A-A cross-sectional view of Fig. 1；
Fig. 3 is the B-B cross-sectional view of Fig. 1；
Fig. 4 is the C-C cross-sectional view of Fig. 1；
Fig. 5 is the D-D cross-sectional view of Fig. 1.
Specific embodiment
Hereinafter, the utility model is described in detail with reference to the drawings and specific embodiments.
As shown in Figs. 1-5, a kind of four cylinder Two-stage Compression compressor with rolling rotor of change discharge capacity, comprising:
Upper end cover 1, the first cylinder sleeve 2, the first cylinder body 3, first partition 4, the second cylinder sleeve 5, the second cylinder body 6, second every
Plate 7, third cylinder sleeve 8, third cylinder body 9, the 4th cylinder air inlet pipe 10, the 4th cylinder body 11, the 4th cylinder spring 12, the 4th cylinder slide plate
13, lower half casing 14, motor stator 15, eccentric main axis 16, rotor 17, the 4th cylinder sleeve 18, lower cover 19, third partition
20, third cylinder spring 21, third cylinder slide plate 22, upper half casing 23, second partition screw 24, upper end cover screw 25, intermediate exhaust
Pipe 26, third partition screw 27, the first cylinder slide plate 28, the first cylinder spring 29, the first cylinder air inlet pipe 30, the second cylinder spring 31,
Two cylinder slide plate 32, the second cylinder air inlet pipe 33, third cylinder air inlet pipe 34, lower cover screw 35, the second cylinder bypass pipe 36, the second cylinder row
Tracheae 37, third cylinder exhaust pipe 38, the first cylinder exhaust pipe 39, the second cylinder bypass solenoid valve 361.
4th cylinder body 11 is fixedly connected with lower half casing 14, and eccentric main axis 16 is provided with oneself that radial direction is in 90 degree of angles
On the first crank-pin, the second crank-pin, third crank-pin and the 4th crank-pin that are gradually increased downwards totally four crank-pins, it is close
It is set with the 4th cylinder sleeve 18 outside 4th crank-pin of motor side and is formed in the 4th rolling-rotor rolled in the 4th cylinder body 11, position
In the third crank-pin that the 4th crank-pin top is arranged close to the 4th crank-pin, outer circle is set with third cylinder sleeve 8, is formed in
The third rolling-rotor rolled in third cylinder body 9 is located at third crank-pin top and is arranged the second crank-pin, and outer circle is set with the
Two cylinder sleeves 5 are formed in the second rolling-rotor rolled in the second cylinder body 6；Positioned at the second crank-pin top, the first crank is set
Pin, outer circle are set with the first cylinder sleeve 2, are formed in the first rolling-rotor rolled in the first cylinder body 3；
The outer surface of 4th cylinder sleeve 18 and 11 inner surface of the 4th cylinder body are tangent, the outer surface of third cylinder sleeve 8 with
9 inner surface of third cylinder body is tangent, and the outer surface of the second cylinder sleeve 5 and 6 inner surface of the second cylinder body are tangent, outside the first cylinder sleeve 2
Surface and 3 inner surface of the first cylinder body are tangent, and the eccentricity of each rolling-rotor and main-shaft core is the outer radius and bias of sleeve
The main shaft semidiameter of main shaft 13.
The spindle through-hole of the lower cover 19 is sleeved on outside the long end of 16 main shaft of eccentric main axis and by gasket seal and peace
Lower cover screw 35 in screw hole is fixedly connected with the 4th cylinder body 11, the first partition 4, second partition 7 and third
Partition 20 respectively centered on open up two parts composition in semicircle aperture, docking is sleeved on outside eccentric main axis 16, and first partition 4 is logical
It crosses gasket seal and second partition screw 24 is fixed between the first cylinder body 3 and the second cylinder body 6, second partition 7 passes through gasket
Piece and second partition screw (not shown) are fixed between the second cylinder body 6 and third cylinder body 9, and third partition 20 passes through gasket seal
And third partition screw 27 is fixed between third cylinder body 9 and the 4th cylinder body 11.
The inner surface and third partition 20 and lower cover 19 of the 4th rolling-rotor outer surface and the 4th cylinder body 11 it
Between formed crescent space.It is provided with sliding vane groove on 4th cylinder body 11,12 He of the 4th cylinder spring is installed in sliding vane groove
4th cylinder slide plate 13, the 4th cylinder slide plate 13 and the 4th rolling-rotor outer surface are tangent and crescent-shaped space is separated into two parts,
The opposite sliding in sliding vane groove of 4th cylinder slide plate 13.The outer surface of 4th cylinder slide plate 13 and the 4th rolling-rotor is tangent, so that the
Four cylinder slide plates 13 have one article of straight line being in contact with the outer surface of the 4th rolling-rotor, with the rotation of eccentric main axis 16, the 4th
The small space in cylinder slide plate 13 two sides two is constantly ascending then descending, realizes in the 4th cylinder to refrigeration working medium gas
Air-breathing, compression and exhaust；4th cylinder body 11 corresponding sliding vane groove upper position is equipped with to be connected to the 4th cylinder air inlet pipe 10
4th cylinder suction hole (not shown) is provided with the 4th cylinder gas vent (not shown) with the symmetrical position of the 4th cylinder suction hole,
The 4th cylinder exhaust valve (not shown) is installed on the 4th cylinder gas vent.
It is formed between the third rolling-rotor and the inner surface and second partition 7 and third partition 20 of third cylinder body 9
The space of crescent.It is provided with sliding vane groove on the third cylinder body 9, third cylinder slide plate 22, third cylinder bullet are installed in sliding vane groove
Spring 21, third cylinder slide plate 22 is tangent with third rolling-rotor outer surface and crescent-shaped space is separated into two parts, and third cylinder is sliding
The opposite sliding in sliding vane groove of piece 22.Third cylinder slide plate 22 is tangent with the outer surface of third rolling-rotor, so that third cylinder slide plate
22 have the straight line being in contact with the outer surface of third rolling-rotor.With the rotation of eccentric main axis 16, third cylinder slide plate 22
Two small spaces of two sides are constantly ascending then descending, realize to the air-breathing of refrigeration working medium gas, compression and row
Gas；The corresponding sliding vane groove upper position of the third cylinder body 9 is provided with the third cylinder suction hole being connected to third cylinder air inlet pipe 34 and (does not show
Out), third cylinder gas vent (not shown) is provided with the symmetrical position of third cylinder suction hole, on the third cylinder gas vent
Third cylinder exhaust valve (not shown), the discharge chamber (not shown) outlet third cylinder exhaust pipe of third cylinder exhaust valve are installed
38, third cylinder exhaust pipe 38 passes through the aperture of upper half casing 23 and welds with upper half casing 23.
The moon is formed between second rolling-rotor and the inner surface and first partition 4 and second partition 7 of the second cylinder body 6
The space of thread form；It is provided with sliding vane groove on second cylinder body 6, the second cylinder slide plate 32, the second cylinder spring are installed in sliding vane groove
31, the second cylinder slide plate 32 and the second rolling-rotor outer surface are tangent and crescent-shaped space is separated into two parts, the second cylinder slide plate
The 32 opposite slidings in sliding vane groove.The outer surface of second cylinder slide plate 32 and the second rolling-rotor is tangent, so that the second cylinder slide plate 32
There is the straight line being in contact with the outer surface of the second rolling-rotor, with the rotation of eccentric main axis 16, the second 32 liang of cylinder slide plate
Two small spaces of side are constantly ascending then descending, realize to the air-breathing of refrigeration working medium gas, compression and row
Gas；The corresponding sliding vane groove right station of second cylinder body 6 is provided with the second cylinder suction hole being connected to the second cylinder air inlet pipe 33 and (does not show
Out), the second cylinder gas vent (not shown) is provided with the symmetrical position of the second cylinder suction hole, on the second cylinder gas vent
Second cylinder exhaust valve (not shown), discharge chamber (not shown) outlet the second cylinder exhaust pipe of the second cylinder exhaust valve are installed
37, the second cylinder exhaust pipe 37 passes through the aperture of upper half casing 23 and welds with upper half casing 23, and the second cylinder exhaust pipe 37 is located at machine
The side wall of shell inner part, the aperture opened up are welded with the second cylinder bypass pipe 36, are connected with by the second cylinder on the second cylinder bypass pipe 36
Three-way electromagnetic valve 361.
The upper end cover 1 is fixed by gasket seal and the upper end cover screw 25 being mounted in screw hole and the first cylinder body 3
Connection, forms crescent between first rolling-rotor and the inner surface and upper end cover 1 and first partition 4 of the first cylinder body 3
Space；It is provided with sliding vane groove on first cylinder body 3, the first cylinder slide plate 28, the first cylinder spring 29 are installed in sliding vane groove, the
One cylinder slide plate 28 and the first rolling-rotor outer surface are tangent and crescent-shaped space is separated into two parts, and the first cylinder slide plate 28 is in cunning
Opposite sliding in film trap；The outer surface of first cylinder slide plate 28 and the first rolling-rotor is tangent, so that the first cylinder slide plate 28 and first
There is the straight line being in contact in the outer surface of rolling-rotor, with the rotation of eccentric main axis 16, the two of 28 two sides of the first cylinder slide plate
A small space is constantly ascending then descending, realizes to the air-breathing of refrigeration working medium gas, compression and exhaust；It is described
The corresponding sliding vane groove left part position of first cylinder body 3 is provided with the first cylinder suction hole (not shown) being connected to the first cylinder air inlet pipe 30, with
The symmetrical position of first cylinder suction hole is provided with the first cylinder gas vent (not shown), is equipped on the first cylinder gas vent
First cylinder exhaust valve (not shown), discharge chamber (not shown) the first cylinder of outlet exhaust pipe 39 of the first cylinder exhaust valve, first
Cylinder exhaust pipe 39 passes through the aperture of upper half casing 23 and welds with upper half casing 23.
Wherein, the 4th cylinder, third cylinder, the second cylinder gas volume space be four times of the first cylinder respectively, three times and
Two times, the second cylinder and output tolerance is 1 when the 4th cylinder is low-pressure stage, third cylinder is high pressure level work, the 4th cylinder is low-pressure stage, the
It is 2/3 that tolerance is exported when two cylinder is high pressure level work, and tolerance is exported when the second cylinder is low-pressure stage, the first cylinder is high pressure level work and is
1/3, it is 0 that tolerance is exported when four cylinders do not work, to make the two-stage refrigeration compressor of the utility model level Four gas transmission may be implemented
Amount is adjusted.
The long end of main shaft of the eccentric main axis 16 and rotor 17 cooperate, and rotor 17 and motor stator 15 cooperate,
The aperture that 23 center of upper half casing opens up is welded with intermediate exhaust pipe 26.
Specifically when refrigeration system connects, the first cylinder air inlet pipe 30 can pass through the outlet of solenoid valve and intercooler
Connection, the first cylinder exhaust pipe 39 are connect with the entrance of condenser；The entrance of the second cylinder air inlet pipe 33 connects two solenoid valves
The outlet of (not shown) one and evaporator connects, secondly the outlet of (not shown) and intercooler connects, the exhaust of the second cylinder
The outlet of pipe 37 is divided into two-way, is connected all the way by the entrance of solenoid valve (not shown) and condenser, another way passes through by the second cylinder
Three-way electromagnetic valve 361 is connect with the second cylinder bypass pipe 36；34 entrance of third cylinder air inlet pipe passes through solenoid valve and intercooler
Outlet connection, third cylinder exhaust pipe 38 connect with the entrance of condenser；4th cylinder air inlet pipe, 10 entrance passes through solenoid valve
It is connect with the outlet of evaporator；The intermediate exhaust pipe 26 passes through upper casing 23, and welds with upper casing 23, outlet and condensation
The entrance of device connects.
When refrigeration system is operated at full capacity, 30 inlet solenoid valve of the first cylinder air inlet pipe is closed, and the 4th cylinder air inlet pipe 10 enters
Mouth solenoid valve is opened, and the solenoid valve that 33 entrance of the second cylinder air inlet pipe is connect with evaporator is opened, the solenoid valve with intercooler
It closes, the solenoid valve that the second cylinder exhaust pipe 37 is connect with condenser is closed, and the second cylinder bypass solenoid valve 361 is opened, by evaporator
The gas refrigeration working medium of the low-temp low-pressure come passes through the second cylinder body 6, the by the second cylinder air inlet pipe 33, the 4th cylinder air inlet pipe 10 respectively
The suction hole of four cylinder bodies 11 enters in the aspirated volume space being connected to suction hole, compressed high temperature and high pressure gas refrigeration work
Matter is discharged through the exhaust valve of the second cylinder body 6, the 4th cylinder body 11, into the space in casing, to after electric motor temperature reduction through intermediate exhaust
After the discharge compressor of pipe 26 enters intercooler cooling, it is connected into third cylinder body 9 with suction hole through third cylinder air inlet pipe 34
Aspirated volume space in, compressed high temperature and high pressure gas refrigeration working medium through third cylinder exhaust pipe 38 enter condenser.
When refrigeration system load is reduced to 2/3, the first cylinder air inlet pipe 30,34 inlet solenoid valve of third cylinder air inlet pipe are closed
It closes；The solenoid valve that second cylinder air inlet pipe, 33 entrance is connect with evaporator is closed, and is opened with the solenoid valve of intercooler, with condensation
Device connection solenoid valve open, the second cylinder bypass solenoid valve 361 close, by evaporator Lai low-temp low-pressure gas refrigeration working medium
Entered in the aspirated volume space being connected to suction hole by the 4th cylinder air inlet pipe 10 by the suction hole of the 4th cylinder body 11, through compressing
High temperature and high pressure gas refrigeration working medium afterwards is discharged through the exhaust valve of the 4th cylinder body 11, into the space in casing, to electric motor temperature reduction
It is discharged by intermediate exhaust pipe 26 after entering intercooler cooling after compressor, enters the second cylinder body through the second cylinder air inlet pipe 33
In the 6 aspirated volume spaces being connected to suction hole, compressed high temperature and high pressure gas refrigeration working medium is through the second cylinder exhaust pipe 37
Into condenser.
When refrigeration system load is reduced to 1/3,30 inlet solenoid valve of the first cylinder air inlet pipe is opened, third cylinder air inlet pipe
34, the inlet solenoid valve of the 4th cylinder air inlet pipe 10 is closed；The solenoid valve that second cylinder air inlet pipe, 33 entrance is connect with evaporator is opened,
It is closed with the solenoid valve of intercooler, the solenoid valve that the second cylinder exhaust pipe 37 is connect with condenser is closed, the second cylinder bypass electricity
Magnet valve 361 is opened, and the gas refrigeration working medium of the low-temp low-pressure come by evaporator passes through second cylinder body 6 by the second cylinder air inlet pipe 33
Suction hole enters in the aspirated volume space being connected to suction hole, and compressed high temperature and high pressure gas refrigeration working medium is through the second cylinder
The exhaust valve of body 6 is discharged, into the space in casing, in entering after compressor is discharged in intermediate exhaust pipe 26 after electric motor temperature reduction
Between cooler cool down, in the aspirated volume space being connected to suction hole through the first cylinder air inlet pipe 30 into the first cylinder body 3, through compressing
High temperature and high pressure gas refrigeration working medium afterwards enters condenser through the first cylinder exhaust pipe 39.
The above is only the preferred embodiment of the utility model, it is noted that for the general of the art
For logical technical staff, without departing from the principle of this utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into retouching.
Claims (8)
1. become four cylinder Two-stage Compression compressor with rolling rotor of discharge capacity, characterized in that including casing, be mounted in the casing by
The first cylinder, the second cylinder, third cylinder and the 4th cylinder for driving the eccentric main axis of rotation and being arranged from top to bottom；First cylinder,
Second cylinder, third cylinder and the 4th cylinder respectively include in the outer circle for four crank-pins for being sleeved on the eccentric main axis and pass through partition
What is be spaced is respectively formed the first cylinder of the first rolling-rotor, the second rolling-rotor, third rolling-rotor and the 4th rolling-rotor
Sleeve, the second cylinder sleeve, third cylinder sleeve and the 4th cylinder sleeve；Four crank-pins are gradually increased from top to bottom and radial direction is in
90 degree of angles；First cylinder sleeve, the second cylinder sleeve, third cylinder sleeve and the 4th cylinder sleeve outside have the first cylinder respectively
Body, the second cylinder body, third cylinder body and the 4th cylinder body；Be respectively arranged on the outside of first cylinder body and the 4th cylinder body upper end cover with
Lower cover；
Crescent-shaped space is respectively formed between four rolling-rotor outer surfaces and the inner surface of corresponding cylinder body；On each cylinder body
Sliding vane groove is set, installed in the sliding vane groove respectively spring and can in sliding vane groove the opposite slide plate slided, the slide plate respectively with
The outer surface of corresponding rolling-rotor is tangent to be separated into two parts for corresponding crescent-shaped space.
2. four cylinder Two-stage Compression compressor with rolling rotor of change discharge capacity according to claim 1, characterized in that the described 4th
Cylinder, third cylinder, the second cylinder gas volume space be four times of the first cylinder respectively, three times and two times.
3. four cylinder Two-stage Compression compressor with rolling rotor of change discharge capacity according to claim 1, characterized in that described eccentric main
The long end of the main shaft of axis and rotor cooperate, and the rotor and motor stator cooperate.
4. four cylinder Two-stage Compression compressor with rolling rotor of change discharge capacity according to claim 1, characterized in that the casing packet
Upper half casing and lower half casing are included, the aperture that the center of the upper half casing opens up is welded with intermediate exhaust pipe.
5. four cylinder Two-stage Compression compressor with rolling rotor of change discharge capacity according to claim 1, characterized in that each roll turns
The main shaft semidiameter of son and outer radius and eccentric main axis that the eccentricity at the center of eccentric main axis is its corresponding cylinder sleeve.
6. four cylinder Two-stage Compression compressor with rolling rotor of change discharge capacity according to claim 1, characterized in that described eccentric main
It is set with the upper end cover and lower cover on axis, the upper end cover and lower cover are separately positioned on first cylinder body and the
The outside of four cylinder bodies；The lower cover is fixedly connected with the 4th cylinder body by screw, and the upper end cover and the first cylinder body pass through spiral shell
Nail is fixedly connected.
7. four cylinder Two-stage Compression compressor with rolling rotor of change discharge capacity according to claim 1, characterized in that it is each described every
Plate is made of two plate portions that center opens up semicircle aperture, and two plate portion docking are sleeved on outside eccentric main axis, is passed through respectively
Gasket seal and partition screw are fixed between two cylinder bodies.
8. four cylinder Two-stage Compression compressor with rolling rotor of change discharge capacity according to claim 1, characterized in that the 4th cylinder
The upper position that body corresponds to sliding vane groove is equipped with the 4th cylinder suction hole being connected to the 4th cylinder air inlet pipe, with the 4th cylinder suction hole
Symmetrical position is provided with the 4th cylinder gas vent；
The upper position that the third cylinder body corresponds to sliding vane groove is provided with the third cylinder suction hole being connected to third cylinder air inlet pipe, with institute
It states the symmetrical position of third cylinder suction hole and is provided with third cylinder gas vent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821252402.0U CN208734544U (en) | 2018-08-03 | 2018-08-03 | Become four cylinder Two-stage Compression compressor with rolling rotor of discharge capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821252402.0U CN208734544U (en) | 2018-08-03 | 2018-08-03 | Become four cylinder Two-stage Compression compressor with rolling rotor of discharge capacity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208734544U true CN208734544U (en) | 2019-04-12 |
Family
ID=66028252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821252402.0U Expired - Fee Related CN208734544U (en) | 2018-08-03 | 2018-08-03 | Become four cylinder Two-stage Compression compressor with rolling rotor of discharge capacity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208734544U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799115A (en) * | 2018-08-03 | 2018-11-13 | 天津商业大学 | Become four cylinder Two-stage Compression compressor with rolling rotor of discharge capacity |
-
2018
- 2018-08-03 CN CN201821252402.0U patent/CN208734544U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799115A (en) * | 2018-08-03 | 2018-11-13 | 天津商业大学 | Become four cylinder Two-stage Compression compressor with rolling rotor of discharge capacity |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190412 Termination date: 20190803 |