CN208456861U - Two-shaft linkage or separation device and variable-capacity multi-cylinder compressor - Google Patents
Two-shaft linkage or separation device and variable-capacity multi-cylinder compressor Download PDFInfo
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- CN208456861U CN208456861U CN201820982432.0U CN201820982432U CN208456861U CN 208456861 U CN208456861 U CN 208456861U CN 201820982432 U CN201820982432 U CN 201820982432U CN 208456861 U CN208456861 U CN 208456861U
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- gas passage
- driving shaft
- axis
- major diameter
- spindle nose
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- 238000000926 separation method Methods 0.000 title abstract description 6
- 238000003032 molecular docking Methods 0.000 claims description 30
- 238000005192 partition Methods 0.000 claims description 20
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 abstract 1
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model discloses a device for linking or separating two rotating shafts and a multi-cylinder compressor with variable capacity, wherein the device comprises a driving shaft and a driven shaft which are coaxially butted, and a connecting pin is transversely inserted into the butted parts of the two shafts, so that the driving shaft drives the driven shaft to rotate together; when the connecting pin exits from the butt joint part of the two shafts, the driving shaft rotates independently, and the driven shaft does not rotate. The utility model discloses a reciprocating motion of control connecting pin can realize the linkage and the separation of two adjacent cylinder bent axles: when the double cylinders are in linkage, the double cylinders operate to realize high-capacity output; when the two cylinders are separated, the upper cylinder operates, the lower cylinder crankshaft does not rotate, and small-capacity output is achieved. The utility model discloses can realize the switching of list, double-cylinder according to the operating mode demand, guarantee the high-efficient operation of compressor, promote the efficiency.
Description
Technical field
The utility model relates to air compressor field more particularly to a kind of achievable two shafts linkage or isolated devices
And the compressor for changing output compression volume is realized using the device.
Background technique
With the development of science and technology and society, compressor is widely used.Especially refrigeration industry, compressor are
One of core equipment.The multicylinder compressor of the prior art, for example, common duplex cylinder compressor comprising: upper cylinder body and lower gas
Cylinder body, the partition between two cylinder block, set on the upper flange lid of the external side of upper cylinder and under the external side of lower cylinder
Blind flange.Upper crankshaft can be with motor axis connection, and upper crankshaft and lower crankshaft are integrated manufacture, and pass through partition by upper cylinder body
Into lower cylinder body.Regardless of its load condition when the duplex cylinder compressor is run, two cylinders are all run simultaneously, so that
Under the operating condition of light load demand, compressor is still exported in large capacity, unnecessary waste is caused, so that compressor efficiency is low
Under.
Therefore, the defect for how overcoming the compression volume of existing multicylinder compressor that cannot change as needed be industry urgently
It solves the problems, such as.
Utility model content
The utility model in order to solve the technical issues of compression volume of existing multicylinder compressor cannot change as needed,
It proposes a kind of this achievable two shafts linkage or isolated device and realizes using the device to change output compression volume
Compressor, to guarantee that compressor being capable of efficient operation in light load or heavy load operating condition.
The utility model proposes two shaft of one kind linkage or isolated device comprising: the active for the setting that is coaxial docking
Axis and driven shaft, the docking section of laterally inserted two axis of a connecting pin, so that the driving shaft drives driven shaft to turn together
It is dynamic；When the connecting pin exits the docking section of two axis, driving shaft is rotated alone, and driven shaft does not rotate.
Preferably, the docking section of two axis is placed on the spindle nose of another axis by the axle sleeve in a shaft end portion and is constituted, two axis pair
The both lateral sides of socket part are equipped with the gas passage of different-diameter, and the connecting pin is set in major diameter gas passage, described
Under the gas pressure difference effect of the gas passage of two sides different-diameter, the connecting pin back and forth moves in major diameter gas passage
It is dynamic, and be inserted into the docking section of two axis or be detached from the docking section of two axis.
Preferably, the spindle nose can be equipped with the gas passage of the different-diameter, the spindle nose major diameter with transverse uniaxial
The corresponding connection in the gas passage side major diameter gas passage；Described in the corresponding connection in the spindle nose minor diameter gas passage side
Minor diameter gas passage.
Alternatively, the spindle nose can also be transversely provided with the major diameter gas passage, the spindle nose major diameter gas passage
The corresponding connection in the side major diameter gas passage；And the spindle nose major diameter gas passage other side is connected to the minor diameter gas
Body channel.
Alternatively, the major diameter gas passage, the axle sleeve side can be laterally equipped with the spindle nose and axle sleeve
Major diameter gas passage corresponding be connected to the major diameter gas passage；And the major diameter gas passage connection of the axle sleeve other side
The minor diameter gas passage.
Preferably, the end of the driven shaft is spindle nose, and one end of the driving shaft is to be placed on the driven shaft spindle nose
On axle sleeve；Alternatively, the end of the driving shaft is spindle nose, one end of the driven shaft is to be placed on the driving shaft spindle nose
Axle sleeve；
The utility model also proposes a kind of multicylinder compressor with two shaft linkage or separator comprising:
Adjacent the first cylinder body and the second cylinder body, the partition between the first, second cylinder body.The driving shaft is located at the first cylinder body
Interior, driven shaft is located in the second cylinder body, and driving shaft is coaxial docking with driven shaft, and the side in the clapboard body is equipped with major diameter
Gas passage, the other side in the clapboard body are equipped with minor diameter gas passage, and the connecting pin is set to the partition
In major diameter gas passage, which moves back and forth insertion or exits the docking section of two axis, so that the driving shaft
Driven shaft is driven to rotate together, alternatively, driving shaft rotates alone, driven shaft is not rotated.
Preferably, the multicylinder compressor can be vertical double compressor, and the driving shaft outer end, which extends, to be used as
Motor shaft, driving shaft dock linkage in the symmetrical position locking of the two eccentric wheel with two axis of driven shaft.
The utility model realizes the crankshaft split settings of adjacent two cylinder by the linkage of two shafts or isolated device
Upper cylinder crankshaft, the linkage of lower cylinder crankshaft with separate.I.e. according to the difference of load, the separation of two crankshafts may make to switch to single cylinder fortune
Row realizes low capacity, light load output；It is also possible that the linkage of two crankshafts switches to twin-tub operation, large capacity, high load capacity are realized
Output.The utility model can be realized the switching of single, double cylinder by duty requirements, to guarantee the efficient operation of compressor, improving energy efficiency.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the utility model preferred embodiment active crankshaft；
Fig. 2 is cross-sectional view of the utility model preferred embodiment from dynamic crankshaft；
Fig. 3 is the driving shaft of the utility model preferred embodiment and the cross-sectional view of driven Axile connection structure；
Fig. 4, Fig. 5 are the cross-sectional view of the utility model other two kinds of driving shaft and driven Axile connection structure；
Fig. 6 is the cross-sectional view of the utility model duplex cylinder compressor preferred embodiment；
Fig. 7 is the structural schematic diagram of partition in Fig. 6.
Specific embodiment
The utility model is further described below with reference to embodiment and attached drawing.
As shown in Fig. 1 ~ Fig. 3, the utility model proposes two shaft of one kind linkage or isolated device preferred embodiment,
Comprising: the driving shaft 1 and driven shaft 2 of the setting that is coaxial docking, the docking of a connecting pin 3 laterally inserted driving shaft 1 and driven shaft 2
Portion, so that driving shaft 1 drives driven shaft 2 to rotate together；When connecting pin 3 exits the docking section of two axis, driving shaft 1 turns alone
Dynamic, driven shaft 2 does not rotate.In the present embodiment, the docking section of two axis is placed on 2 upper end of driven shaft by the axle sleeve 7 of 1 lower end of driving shaft
It is constituted on spindle nose 6.As needed, the lower end that driving shaft 1 also can be set into is spindle nose, and the upper end of driven shaft 2 is to be placed on master
Axle sleeve on moving axis spindle nose.It as long as guaranteeing that two axis can not only link, but also can separate, not interfere the rotation alone of driving shaft 1 i.e.
It can.The both lateral sides of two axis docking sections are equipped with the gas passage of different-diameter, and connecting pin 3 is set to right side major diameter gas passage 4
It is interior, when (certain side is passed through pressed gas to the gas for being passed through different pressures in the gas passage of arranged on left and right sides different-diameter, separately
Side and atmosphere are connected can also be with), under the gas pressure difference effect of two sides, connecting pin 3 is past in the gas passage 4 of major diameter
It is multiple mobile, and the docking section of driving shaft 1 and driven shaft 2 is inserted into so that two axis dock, or are detached from the docking section of two axis, so that two
Axis separation, can respective self-movement.Please carefully read figure, in the present embodiment, 6 transverse uniaxial of spindle nose of driven shaft 2 is equipped with two sections
One section of the gas passage of different-diameter, 6 right side of spindle nose is major diameter gas passage 4, and correspond to connection is driving shaft 1
The major diameter gas passage 4 of on 7 right side wall body of axle sleeve and right side input gas.And one section of 6 left side of spindle nose is small straight
Diameter gas passage 5, correspond to connection is on the 7 left side wall body of axle sleeve of driving shaft 1 and the minor diameter of left side input gas
Gas passage 5.When connecting pin 3 moves from right to left, due to the step that 6 left sections of minor diameter gas passages 5 of spindle nose are formed, limitation
Connecting pin 3 continues to be moved to the left, to guarantee being reliably connected and being driven for driving shaft 1 and driven shaft 2.
In addition to this, the connection structure of master and slave moving axis can also have other structures, as shown in figure 4, the spindle nose 6 of driven shaft
The laterally major diameter gas passage 4 of one all-pass of setting, which is driving shaft 1
7 right side wall body of axle sleeve on and right side input gas major diameter gas passage 4.And the 6 major diameter gas of spindle nose is logical
What is be connected on the left of road 4 is on the 7 left side wall body of axle sleeve of driving shaft 1 and the gas passage 5 of the minor diameter of left side input gas.
When connecting pin 3 moves from right to left, due to the platform of the formation of minor diameter gas passage 5 on the 7 left side wall body of axle sleeve of driving shaft 1
Rank limits connecting pin 3 and continues to be moved to the left, to guarantee being reliably connected and being driven for driving shaft 1 and driven shaft 2.
As shown in figure 5, the major diameter gas that an all-pass is laterally arranged in the spindle nose 6 of driven shaft 2 and the axle sleeve 7 of driving shaft 1 is logical
Road 4, the corresponding connection of major diameter gas passage on 7 right side of axle sleeve is the major diameter gas passage 4 for inputting gas.And the axle sleeve 7
The major diameter gas passage connection in left side is the minor diameter gas passage 5 for inputting gas.When connecting pin 3 moves from right to left
When, due on the left of driving shaft axle sleeve 7 input gas minor diameter gas passage 5 formed step, limit connecting pin 3 continue to
It moves left, to guarantee being reliably connected and being driven for driving shaft 1 and driven shaft 2.
The utility model includes at least the connection structure of above-mentioned three kinds of driving shafts and driven shaft, but is not limited to these three knots
Structure.As long as connecting pin 3 can be free to slide, so that it is exactly that this is practical new that driving shaft 1 and driven shaft 2, which are reliably connected or are freely separating,
The scope that type is protected.
As shown in Figure 6, Figure 7, provided by the utility model that there are two shafts to link or the multicylinder compressor of separator
Preferred embodiment comprising: adjacent the first cylinder body 8 and the second cylinder body 9, the partition 10 between the first, second cylinder body.It is main
Moving axis 1 is located in the first cylinder body 8, and driven shaft 2 is located in the second cylinder body 9, and driving shaft 1 is coaxial docking with driven shaft 2, and 10, partition
Intracorporal right side is equipped with major diameter gas passage 4, and the intrinsic left side of partition 10 is equipped with minor diameter gas passage 5, and connecting pin 3 is set
In in the major diameter gas passage 4 of partition 10.The connecting pin moves back and forth the docking section that can be inserted or exit two axis, when
When connecting pin 3 is moved to the left, lockable simultaneously makes driving shaft 1 that driven shaft 2 be driven to rotate together；When connecting pin 3 moves right,
It unlocks, driving shaft 1 rotates alone, and driven shaft 2 does not rotate.In the present embodiment, multicylinder compressor is vertical double compressor,
Comprising: upper cylinder body 8 and lower cylinder body 9, the partition 10 between two cylinder block, the upper method set on 8 outside of upper cylinder body
Blue lid 11 and the lower flange lid 12 on the outside of lower cylinder body 9.Driving shaft is upper crankshaft 1, and driven shaft is lower crankshaft 2, upper crankshaft 1
Extending outward and is used as motor shaft, the eccentric wheel of upper crankshaft 1 and lower crankshaft 2 is in the locking docking of symmetrical position and links, i.e., and two
The eccentric wheel of axis is separated by 180 degree.In order to meet this distribution requirement of duplex cylinder compressor, master provided by the utility model can be used
The preferred embodiment of moving axis and driven axis connection, structure as shown in Figure 3.I.e. 6 transverse uniaxial of spindle nose of driven shaft 2 is equipped with two sections
The gas passage of different-diameter just can guarantee connection only when the eccentric wheel of upper crankshaft 1 and lower crankshaft 2 is in symmetric position
Pin 3 moves into the docking section of two axis from right to left, and upper crankshaft 1 and lower crankshaft 2 are reliably connected.If working as upper song
When the eccentric wheel of axis 1 and lower crankshaft 2 is in same lateral position, i.e. asymmetric position, connecting pin 3 can not enter the docking of two axis
Portion can not link upper crankshaft 1 and lower crankshaft 2 locking connection.
When specific processing, as shown in fig. 6, being gap-matched between connecting pin 3 and major diameter gas passage 4, connecting pin 3
Diameter it is small more excellent in 0.02 ~ 0.03mm with the difference in diameter of major diameter gas passage 4, that is, can guarantee gas tightness, and can
Guarantee that connecting pin 3 slides freely.Upper 1 lower end of crankshaft passes through the center of partition 10, is also gap between upper crankshaft external diameter and partition
The difference in diameter in cooperation, axis and hole is more excellent in 0.02 ~ 0.03mm, can guarantee gas tightness.
Vertical double compressor provided by the utility model works in this way, as shown in Fig. 3, Fig. 6.To partition 10 or so
Minor diameter gas passage 5, the major diameter gas passage 4 of two sides are separately connected low high pressure control loop.The upper extension of crankshaft 1 is used as
Motor shaft, i.e. motor power are inputted by upper crankshaft 1.Connecting pin 3 is assemblied in the major diameter gas passage 4 on right side in partition 10
In.When needing twin-tub large capacity to export, high pressure, other side minor diameter gas are inputted by the major diameter gas passage 4 in partition
Body channel 5 connects low pressure (or connection atmosphere), and the pressure difference of two sides gas passage is drivingly connected pin 3 to intermediary movements, in entrance,
The interconnecting piece of lower crankshaft 1,2.At this point, upper and lower crankshaft is rigidly connected by connecting pin 3, upper and lower crankshaft 1,2 links, and power is with regard to defeated
Enter to lower crankshaft 2, switches to twin-tub mode, it can large capacity output.When needing single cylinder low capacity to export, by partition
Minor diameter gas passage 5 inputs high pressure, and another major diameter gas passage 4 connects low pressure, the pressure difference driving of two sides gas passage
Connecting pin 3 moves to the right, so that upper and lower crankshaft 1,2 dockingundockings, the only coaxial upper crankshaft 1 with motor shaft at this time
Upper cylinder work is driven, this just switches to single cylinder mode, can low capacity output.
The utility model by control intermediate bulkhead major diameter gas passage in connecting pin reciprocating motion, it can be achieved that
The linkage and separation of upper and lower cylinder crankshaft: when in linkage, large capacity output is realized in twin-tub operation；When in separation,
Upper cylinder half operation, lower cylinder crankshaft do not turn, and realize low capacity output.The utility model can be realized the switching of single, double cylinder by duty requirements,
Guarantee the efficient operation of compressor, improving energy efficiency.The utility model is not solely restricted in duplex cylinder compressor, is also extend to
Multi-cylinder is vertical or horizontal compressor, can realize that wherein several adjacent cylinders are by duty requirements combination according to this design scheme
Operation keeps compressor efficiency under each operating condition optimal to realize compressor capacity matching operation, more energy efficient, more comfortably.
Embodiment described above is primarily to illustrate the creating conception of the utility model, it is noted that for this
For the those of ordinary skill in field, without departing from the concept of the premise utility, several deformations can also be made and changed
Into these are all within the protection scope of the present invention.
Claims (8)
1. a kind of two shafts linkage or isolated device, which is characterized in that driving shaft (1) including the setting that is coaxial docking and driven
Axis (2), the docking section of laterally inserted two axis of a connecting pin (3), so that the driving shaft (1) drives driven shaft (2) one
Play rotation；When the connecting pin (3) exits the docking section of two axis, driving shaft (1) is rotated alone, and driven shaft (2) does not turn
It is dynamic.
2. device as described in claim 1, which is characterized in that the docking section of two axis is placed on separately by the axle sleeve in a shaft end portion
It is constituted on the spindle nose of one axis, the gas passage (4,5) that the transverse direction of two axis docking sections divides two sides to be equipped with large and small diameter, the company
Outbound (3) is set in major diameter gas passage (4), in the gas pressure difference effect of the gas passage of the two sides different-diameter
Under, the connecting pin (3) major diameter gas passage (4) in move back and forth, and be inserted into two axis docking section or
It is detached from the docking section of two axis.
3. device as claimed in claim 2, which is characterized in that the spindle nose transverse uniaxial is equipped with the gas of the different-diameter
Body channel, the corresponding connection in the spindle nose major diameter gas passage side major diameter gas passage (4)；The spindle nose minor diameter gas
The gas passage (5) of the corresponding connection in the body channel side minor diameter.
4. device as claimed in claim 2, which is characterized in that the spindle nose is transversely provided with the major diameter gas passage,
The corresponding connection in the spindle nose major diameter gas passage side major diameter gas passage (4)；And the spindle nose major diameter gas is logical
The road other side is connected to the minor diameter gas passage (5).
5. device as claimed in claim 2, which is characterized in that the spindle nose and axle sleeve is laterally equipped with identical described big
Diameter gas channel, the major diameter gas passage of the axle sleeve side is corresponding to be connected to the major diameter gas passage (4)；And the axis
Cover the major diameter gas passage connection of the other side minor diameter gas passage (5).
6. device as claimed in claim 2, which is characterized in that the end of the driven shaft (2) is spindle nose, the driving shaft
(1) one end is the axle sleeve being placed on the spindle nose of the driven shaft；Alternatively, the end of the driving shaft (1) be spindle nose, it is described from
One end of moving axis (2) is the axle sleeve being placed on the spindle nose of the driving shaft.
7. a kind of multicylinder compressor of the variable capacity with the linkage of two shafts described in claim 1 or separator, including it is adjacent
The first cylinder body (8) and the second cylinder body (9), the partition (10) between the first, second cylinder body, which is characterized in that described
Driving shaft (1) is located in the first cylinder body (8), and driven shaft (2) is located in the second cylinder body (9), and driving shaft (1) and driven shaft (2) are same
Axis docking, the intrinsic side of the partition (10) are equipped with major diameter gas passage (4), and the partition (10) is intrinsic another
Side is equipped with minor diameter gas passage (5), and the connecting pin (3) is set in the major diameter gas passage (4) of the partition (10),
The connecting pin (3) moves back and forth insertion or exits the docking section of two axis, so that the driving shaft (1) drives driven shaft
(2) it rotates together, alternatively, driving shaft (1) rotates alone, driven shaft (2) is not rotated.
8. multicylinder compressor as claimed in claim 7, which is characterized in that the multicylinder compressor is vertical double compression
Machine, the driving shaft (1) outer end, which extends, is used as motor shaft, and driving shaft (1) and (2) two axis of driven shaft are symmetrical in the two eccentric wheel
Position locking docking linkage.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018209414400 | 2018-06-19 | ||
| CN201820941440 | 2018-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208456861U true CN208456861U (en) | 2019-02-01 |
Family
ID=65168364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820982432.0U Expired - Fee Related CN208456861U (en) | 2018-06-19 | 2018-06-25 | Two-shaft linkage or separation device and variable-capacity multi-cylinder compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208456861U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644119A (en) * | 2018-06-19 | 2018-10-12 | 珠海凌达压缩机有限公司 | Two-shaft linkage or separation device and variable-capacity multi-cylinder compressor |
-
2018
- 2018-06-25 CN CN201820982432.0U patent/CN208456861U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644119A (en) * | 2018-06-19 | 2018-10-12 | 珠海凌达压缩机有限公司 | Two-shaft linkage or separation device and variable-capacity multi-cylinder compressor |
| CN108644119B (en) * | 2018-06-19 | 2024-01-12 | 珠海凌达压缩机有限公司 | Two-axis linkage or separation device and variable-capacity multi-cylinder compressor |
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| 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: 20190201 Termination date: 20210625 |