CN208281187U - Pump body subassembly and compressor and air conditioner - Google Patents
Pump body subassembly and compressor and air conditioner Download PDFInfo
- Publication number
- CN208281187U CN208281187U CN201820551857.6U CN201820551857U CN208281187U CN 208281187 U CN208281187 U CN 208281187U CN 201820551857 U CN201820551857 U CN 201820551857U CN 208281187 U CN208281187 U CN 208281187U
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- Prior art keywords
- mounting hole
- oil
- crankshaft
- pump assembly
- lubricating oil
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- 239000003921 oil Substances 0.000 claims abstract description 132
- 239000010687 lubricating oil Substances 0.000 claims abstract description 66
- 239000000446 fuel Substances 0.000 claims description 37
- 206010008469 Chest discomfort Diseases 0.000 claims description 17
- 238000005192 partition Methods 0.000 claims description 15
- 239000003507 refrigerant Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 15
- 239000000314 lubricant Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000010908 plant waste Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 241000233855 Orchidaceae Species 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000008141 laxative Substances 0.000 description 1
- 230000002475 laxative effect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model provides a pump body subassembly and compressor and air conditioner, pump body subassembly includes: the device comprises a crankshaft, an upper flange, a cylinder, a roller and a lower flange; the upper flange is provided with a first mounting hole, the roller is provided with a second mounting hole, the lower flange is provided with a third mounting hole, two ends of the third mounting hole are respectively an open end and a closed end, the crankshaft sequentially passes through the first mounting hole and the second mounting hole and then extends into the third mounting hole from the open end, and an oil return cavity allowing lubricating oil to enter is formed between the crankshaft and the closed end of the third mounting hole; the middle part of the crankshaft is provided with an oil return channel which can be communicated with the oil return cavity and extends along the axial direction of the crankshaft, and lubricating oil in the oil return cavity can be conveyed to the first mounting hole, the second mounting hole and the third mounting hole through the oil return channel. The utility model has the advantages of reasonable in design, simple structure can guarantee lubricated effect moreover, has reduced the oiling volume simultaneously, avoids causing the oil extravagant.
Description
Technical field
The utility model relates to family's electro-technical field, in particular to a kind of pump assembly and compressor and air conditioner.
Background technique
Rotary compressor is by the setting working connection on crankshaft and the oilhole being connected to working connection, and the master at present
Oil circuit is connect with the oil sump of compression motor spindle, and the lubricating oil in oil sump is delivered in working connection by oil guide piece, and then makes
Lubricating oil can be flowed out by oilhole, carry out feed lubrication to the roller in compressor to realize.The position of this structure oil sump
It is relatively low, when low on fuel or fuel head deficiency, it may appear that the decline of oil guide piece supply capability, and then influence compressor
Lubricant effect, therefore need to inject a large amount of lubricating oil into oil sump in actual use, cause a degree of oil plant wave
Take.
Utility model content
The main purpose of the utility model is to provide a kind of pump assembly and compressors and air conditioner, and not only design is closed
Reason, structure are simple, and can guarantee lubricant effect, while reducing injection flow, avoid oil plant waste.
The utility model provides a kind of pump assembly, comprising: crankshaft, upper flange, cylinder, roller and lower flange；
The upper flange has the first mounting hole, and the roller has the second mounting hole, and the lower flange is pacified with third
Hole is filled, the both ends of the third mounting hole are respectively open end and closed end, and the roller is arranged in the cylinder, the gas
Cylinder is arranged between the upper flange and the lower flange；
The crankshaft is vertically arranged, the crankshaft sequentially pass through first mounting hole and second mounting hole after, from
The open end is protruded into the third mounting hole, and formation allows to lubricate between the closed end of the third mounting hole
The oil back chamber that oil enters；
Being provided in the middle part of the crankshaft can be connected to the oil back chamber and lead to along the axially extending oil return of the crankshaft
Road, when crankshaft rotation, the lubricating oil in the oil back chamber can be delivered to by drainback passage first mounting hole,
In second mounting hole and the third mounting hole.
More preferably, the oil sump to store lubricating oil, the lubricating oil energy in the oil sump are provided on the upper flange
It is enough delivered in first mounting hole, second mounting hole and the third mounting hole, into the third mounting hole
Lubricating oil can flow into the oil back chamber.
More preferably, it is provided with the oil return hole being connected to the drainback passage on the side wall of the crankshaft, when the crankshaft revolves
When turning, the lubricating oil in the oil back chamber successively can flow into the oil sump through the drainback passage and the oil return hole.
More preferably, the quantity of the oil return hole is at least two, circumferential direction of at least two oil return holes along the crankshaft
Successively lay.
More preferably, the upper flange has opposite first end face and second end face, and the upper flange passes through described second
End face is connected on the cylinder, and the oil sump is arranged in the first end face.
More preferably, oil supply gallery and the trapped fuel groove in the second end face are provided on the upper flange；
The both ends of the oil supply gallery are connect with the oil sump and the trapped fuel groove respectively, to make in the oil sump
Lubricating oil can enter the trapped fuel groove by the oil supply gallery；
The trapped fuel groove can be connected to first mounting hole and second mounting hole, so that the trapped fuel groove
Interior lubricating oil can flow into first mounting hole and second mounting hole, and second mounting hole and the third are pacified
Hole connection is filled, to enable the lubricating oil in the trapped fuel groove to install by second mounting hole into the third
Hole.
More preferably, the trapped fuel groove is the cylinder coaxial with first mounting hole.
More preferably, the quantity of the oil supply gallery is at least two, and at least two oil supply galleries are with described the
Rounded array arrangement centered on the axis of one mounting hole.
More preferably, it is eccentric part that the crankshaft, which is located at the part in second mounting hole, on the surface of the eccentric part
On be provided with first groove axially extending along second mounting hole, enable the lubricating oil edge into second mounting hole
First groove is flowed towards the third mounting hole.
It more preferably, further include the exhaust partition being arranged between the upper flange and the cylinder, on the exhaust partition
It is set on the crankshaft with the 4th mounting hole, and by the 4th mounting hole, the trapped fuel groove can be with described
The connection of four mounting holes, the 4th mounting hole is connected to second mounting hole, so that the lubricating oil energy in the trapped fuel groove
Enough flowed into second mounting hole by the 4th mounting hole.
More preferably, be provided on the inner wall of the 4th mounting hole extend along the 4th mounting hole axis it is second recessed
Slot enables the lubricating oil into the 4th mounting hole to flow along second groove towards second mounting hole.
More preferably, it is provided with the first helicla flute on the inner wall of first mounting hole, it, can when crankshaft rotation
Drive the lubricating oil entered in first mounting hole that can be directed away from the second end face direction along first helicla flute
Movement.
More preferably, the lower flange has the third end face of roller described in face, on the inner wall of the third mounting hole
It is provided with the second helicla flute, when crankshaft rotation, the lubricating oil being able to drive into the third mounting hole being capable of edge
Second helicla flute is directed away from the movement of third end face direction.
More preferably, it is provided with oil guide piece in the drainback passage, when crankshaft rotation, the oil guide piece can be driven
The dynamic lubricating oil for entering the drainback passage is flowed towards the oil return hole.
The another aspect of the utility model provides a kind of compressor, the pump assembly including shell any of the above technical characteristic.
It more preferably, further include exhaust pipe；
The pump assembly is disposed in the housing, and the exhaust pipe is threaded through on the side wall of the shell, and can
It is connected to the cylinder in the pump assembly, so that compressed refrigerant can be arranged by the exhaust pipe in the cylinder
Out.
More preferably, first row stomata is provided on the side wall of the cylinder, the exhaust pipe is connected to the first row
On stomata.
More preferably, when the pump assembly includes exhaust partition, being provided on the exhaust partition can be with the gas
The discharge chamber of cylinder connection, is provided with second row stomata, the exhaust pipe is connected to described second on the side wall of the discharge chamber
On gas vent.
More preferably, the inner wall of the periphery wall of the upper flange and the shell is tightly connected, so that the upper flange and institute
It states and forms high pressure chest between the bottom wall of shell, the high pressure chest can be connected to the cylinder, so as to compress in the cylinder
Refrigerant afterwards is able to enter the high pressure chest, and one end of the exhaust pipe is protruded into the high pressure chest.
More preferably, the periphery wall of the upper flange is welded on the inner wall of the shell.
It more preferably, further include seal member；
The seal member is arranged between the periphery wall of the upper flange and the inner wall of the shell, described to seal
Gap between the periphery wall of upper flange and the inner wall of the shell.
More preferably, the cylinder has the 4th end face, and the lower flange is connected on the 4th end face, in the cylinder
Sliding vane groove is provided on wall, the sliding vane groove forms port on the 4th end face, and the port is at least partially disposed at described
Except the abutting range of lower flange.
It more preferably, further include oil exit pipe；
The bottom of the shell is provided with outage, and the oil exit pipe is connected on the outage, makes housing bottom
Lubricating oil can be discharged by the oil exit pipe.
The another aspect of the utility model provides a kind of air conditioner, the compressor including any technical characteristic.
The pump assembly of the offer of the utility model, using when the crankshaft protrudes into the third mounting hole, Neng Gouyu
Setting in the middle part of the oil back chamber for allowing lubricating oil to enter and the crankshaft is formed between the closed end of the third mounting hole
Having can be connected to and along the axially extending drainback passage of the crankshaft with the oil back chamber, described when crankshaft rotation
Lubricating oil in oil back chamber can be delivered to first mounting hole, second mounting hole and the third by drainback passage
Technical solution in mounting hole, not only design is reasonable, structure is simple, but also can guarantee lubricant effect, while reducing oiling
Amount avoids oil plant waste.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and constitutes one of the utility model
Point, the exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the utility model
Improper restriction.In the accompanying drawings:
Fig. 1 is the pump assembly structural schematic diagram in embodiment one；
Fig. 2 is structural schematic diagram of the Fig. 1 without exhaust partition；
Fig. 3 is the crankshaft schematic diagram in Fig. 1；
Fig. 4 is the upper flange schematic diagram in Fig. 1；
Fig. 5 is the lower flange schematic diagram in Fig. 1；
Fig. 6 is the exhaust partition schematic diagram in Fig. 1；
Fig. 7 is the compressor schematic diagram in embodiment two；
Fig. 8 is structural schematic diagram of the pump assembly without exhaust partition of Fig. 7；
Fig. 9 is the exhaust pipe another kind set-up mode schematic diagram in Fig. 7.
In figure: 1, crankshaft；11, drainback passage；12, oil return hole；13, eccentric part；14, the first groove；15, oil guide piece；2,
Upper flange；21, the first mounting hole；22, oil sump；23, first end face；24, second end face；25, oil supply gallery；26, trapped fuel groove；
27, the first helicla flute；3, cylinder；31, first row stomata；32, the 4th end face；33, sliding vane groove；34, port；4, roller；41,
Two mounting holes；5, lower flange；51, third mounting hole；52, open end；53, closed end；54, oil back chamber；55, third end face；56,
Second helicla flute；6, exhaust partition；61, the 4th mounting hole；62, the second groove；63, discharge chamber；64, second row stomata；65, into
Gas channel；7, shell；71, high pressure chest；72, oil exit pipe；8, exhaust pipe；9, pump assembly.
Specific embodiment
It is specific below in conjunction with the utility model to keep the purpose of this utility model, technical solution and advantage clearer
Technical solutions of the utility model are clearly and completely described in embodiment and corresponding attached drawing.Obviously, described embodiment
It is only the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field
Those of ordinary skill's every other embodiment obtained without making creative work, belongs to the utility model
The range of protection.
It should be noted that the specification and claims of the utility model and term " first " in above-mentioned attached drawing,
" second " etc. is to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that in this way
The data used are interchangeable under appropriate circumstances, so as to the embodiments of the present invention described herein can in addition to
Here the sequence other than those of diagram or description is implemented.
Embodiment one
As shown in Figure 1, 2, a kind of pump assembly, comprising: crankshaft 1, upper flange 2, cylinder 3, roller 4 and lower flange 5.Upper method
Orchid 2 has the first mounting hole 21, and roller 4 has the second mounting hole 41, and lower flange 5 has third mounting hole 51, third mounting hole
51 both ends are respectively open end 52 and closed end 53, and roller 4 is arranged in cylinder 3, and cylinder 3 is arranged in upper flange 2 and laxative remedy
Between orchid 5.It should be noted that closed end 53 can also be pacified using the molding of the modes integral productions such as casting using to third
Dress hole 51 is blocked far from one end of open end 52 and is formed.Crankshaft 1 is vertically arranged, and crankshaft 1 sequentially passes through the first mounting hole
21 and second after mounting hole 41, open end 52 protrude into third mounting hole 51, and between the closed end of third mounting hole 51 53
Form the oil back chamber 54 for allowing lubricating oil to enter.Being provided in the middle part of crankshaft 1 can be connected to and along the axis of crankshaft 1 with oil back chamber 54
To the drainback passage 11 of extension, when crankshaft 1 rotates, the lubricating oil in oil back chamber 54 can be delivered to the by drainback passage 11
In one mounting hole 21, the second mounting hole 41 and third mounting hole 51.
When crankshaft 1 rotate when, can by centrifugal force act on drive oil back chamber 54 in lubricating oil along drainback passage 11 to
Lubricating oil in oil back chamber 54 is delivered to the first mounting hole 21,41 and of the second mounting hole by drainback passage 11 by upper movement
In third mounting hole 51, compared with the existing technology for oil back chamber 54 position it is relatively high, therefore drainback passage 11 upwards pump
The formation of oil is opposite to be shortened, and only need to can reach lubricating requirement for lubricating oil is full of in oil back chamber, simultaneously because oil back chamber 54
Volume it is relatively small, therefore the pump assembly in the present embodiment can guarantee lubricant effect, while reduce injection flow again,
Avoid oil plant waste.
Further, as shown in Fig. 1,2,4, the oil sump 22 to store lubricating oil, oil sump 22 are provided on upper flange 2
In lubricating oil can be delivered in the first mounting hole 21, the second mounting hole 41 and third mounting hole 51, into third mounting hole
51 lubricating oil can flow into oil back chamber 54, and the oil return hole 12 being connected to drainback passage 11 is provided on the side wall of crankshaft 1, when
When crankshaft 1 rotates, the lubricating oil in oil back chamber 54 successively can flow into oil sump 22 through drainback passage 11 and oil return hole 12.In this way when
Crankshaft 1 rotate when, can by centrifugal force act on drive oil back chamber 54 in lubricating oil return channel 11 flow up, and from return
Oilhole 12 flows out into oil back chamber 54.Since in oil return, the height that lubricating oil is flowed up from 11 lower end of drainback passage is not
It is easily excessively high, therefore oil return hole 12 need to be only positioned above to the position of oil sump 22.It should be noted that the number of oil return hole 12
Amount can be at least two, and at least two oil return holes 12 are successively laid along the circumferential direction of crankshaft 1.In favor of the profit in drainback passage 11
The smooth outflow of lubricating oil.Specifically, as shown in the figure, upper flange 2 has opposite first end face 23 and second end face 24, upper flange
2 are connected on cylinder 3 by second end face 24, and oil sump 22 is arranged in first end face 23.It, can using such technical solution
The position of the first oil sump 22 is set to be higher than roller 4 and lower flange 5, the first oil sump 22 can flow to second by the effect of gravity at this time
Mounting hole 41 and third mounting hole 51.
In actual fabrication it can be provided with oil supply gallery 25 on upper flange 2 and be located at second end face 24 as shown in Fig. 1,2,4
On trapped fuel groove 26.The both ends of oil supply gallery 25 are connect with oil sump 22 and trapped fuel groove 26 respectively, to make in oil sump 22
Lubricating oil can enter trapped fuel groove 26 by oil supply gallery 25.Trapped fuel groove 26 can be with the first mounting hole 21 and the second installation
Hole 41 is connected to, so that the lubricating oil in trapped fuel groove 26 can flow into the first mounting hole 21 and the second mounting hole 41, the second peace
Dress hole 41 is connected to third mounting hole 51, to enable the lubricating oil in trapped fuel groove 26 by the second mounting hole 41 into the
Three mounting holes 51.It can guarantee that the lubricating oil in trapped fuel groove 26 can swimmingly flow to the first mounting hole 21, second peace in this way
Hole 41 and third mounting hole 51 are filled, and then guarantees the outer wall of crankshaft 1 and the inner wall of the first mounting hole 21 and the second mounting hole 41
Lubricant effect between the inner wall of inner wall and third mounting hole 51.
Specifically, as shown in figure 4, trapped fuel groove 26 is the cylinder coaxial with the first mounting hole 21.Trapped fuel groove at this time
26 and first mounting hole 21 stepped hole is collectively formed.Preferably, as shown in figure 4, being provided on the inner wall of the first mounting hole 21
First helicla flute 27, when crankshaft 1 rotates, being able to drive can be along the first helicla flute into the lubricating oil in the first mounting hole 21
27 are directed away from 24 direction of second end face (i.e. upwardly direction) movement, can guarantee in this way to the inner wall of the first mounting hole 21 with
Lubricant effect between the outer wall of crankshaft 1.More preferably, the quantity of oil supply gallery 25 is at least two, and at least two fuel feeding
Channel 25 can centered on the axis of the first mounting hole 21 rounded array arrangement, it is not limited to this, can also use
Any one can realize the arrangement mode of goal of the invention.Trapped fuel groove 26 is connected to by two oil supply galleries 25 with oil sump 22, energy
Enough guarantee abundance of the oil sump 22 to 26 fuel feeding oil mass of trapped fuel groove, so that trapped fuel groove 26 can be to the first mounting hole 21 and second
Mounting hole 41 and the well-off lubricating oil of third mounting hole 51, and then guarantee lubricant effect.
More preferably, as shown in figure 5, lower flange 5 has the third end face 55 of face roller 4, in third mounting hole 51
The second helicla flute 56 is provided on wall, when crankshaft 1 rotates, being able to drive being capable of edge into the lubricating oil in third mounting hole 51
Second helicla flute 56 is directed away from 55 direction of third end face (i.e. in downward direction) movement.It can guarantee in this way to third mounting hole 51
Inner wall and crankshaft 1 outer wall between lubricant effect, while the lubricating oil into third mounting hole 51 can also be enable suitable
Freely flow back to oil back chamber 54.
As an embodiment, as shown in Figure 1, 2, 3, crankshaft 1 is located at the part in the second mounting hole 41 for bias
Portion 13 is provided with first groove 14 axially extending along the second mounting hole 41 on the surface of eccentric part 13, makes to enter the second peace
The lubricating oil for filling hole 41 can be flowed along the first groove 14 towards third mounting hole 51.It can make to enter the second mounting hole 41 in this way
Internal lubricating oil can allow smooth outflow along the first groove 14, make the oil that third mounting hole 51 is flowed to by the second mounting hole 41
Amount is guaranteed, and then guarantees the oil return effect of the lubricant effect and oil back chamber 54 in 51 inner wall of third mounting hole.
As an embodiment, as a shown in Figure 6, further include the exhaust that is arranged between upper flange 2 and cylinder 3 every
Plate 6 has the 4th mounting hole 61 on exhaust partition 6, and is set on crankshaft 1 by the 4th mounting hole 61,26 energy of trapped fuel groove
Enough to be connected to the 4th mounting hole 61, the 4th mounting hole 61 is connected to the second mounting hole 41, so that the lubricating oil in trapped fuel groove 26
It can be flowed into the second mounting hole 41 by the 4th mounting hole 61.Further, as shown in fig. 6, the inner wall of the 4th mounting hole 61
On be provided with the second groove 62 extended along 61 axis of the 4th mounting hole, enable lubricating oil into the 4th mounting hole 61 along the
Two grooves 62 are flowed towards the second mounting hole 41.The lubricating oil inside the 4th mounting hole 61 can be enable to enter in this way along second
Groove 62 allows smooth outflow, so that the oil mass for flowing to the second mounting hole 41 by the 4th mounting hole 61 is guaranteed, and then guarantee
The lubricant effect of 51 inner wall of second mounting hole 41 and third mounting hole and the oil return effect of oil back chamber 54.
As an embodiment, as shown in Figure 1, being provided with oil guide piece 15 in drainback passage 11, when crankshaft 1 rotates
When, the lubricating oil that oil guide piece 15 can be driven into drainback passage 11 is flowed towards oil return hole 12 is (upward).It can make song in this way
The pumping ability of axis 1 is obviously improved.
Embodiment two
As shown in Fig. 7,8,9, a kind of compressor, including shell 7, exhaust pipe 8 and pump assembly 9, wherein pump assembly 9 be
Pump assembly described in embodiment one.Pump assembly 9 is arranged in shell 7, and exhaust pipe 8 is threaded through on the side wall of shell 7,
And can be connected to the cylinder 3 in pump assembly 9, so that compressed refrigerant can be discharged by exhaust pipe 8 in cylinder 3.
It further, as shown in the figure, further include oil exit pipe 72, the bottom of shell 7 is provided with outage (not shown go out), oil exit pipe 72
It is connected on outage, the lubricating oil of 7 bottom of shell is enable to be discharged by oil exit pipe 72.Wherein oil exit pipe 72 can be connected to this
In the access of cooling cycle system where compressor so that 7 bottom of shell stockpile lubricating oil can by oil exit pipe 72 into
Enter in cooling cycle system.
In actual fabrication, the specific link position of exhaust pipe 8 can be as shown in figure 8, be provided on the side wall of cylinder 3
One gas vent 31, exhaust pipe 8 are connected on first row stomata 31.
As an embodiment, it as shown in fig. 7, when pump assembly 9 includes exhaust partition 6, is set on exhaust partition 6
It is equipped with the discharge chamber 63 that can be connected to cylinder 3, second row stomata 64 is provided on the side wall of discharge chamber 63, exhaust pipe 8 connects
It connects on second row stomata 64.
As an embodiment, as shown in figure 9, the inner wall of the periphery wall of upper flange 2 and shell 7 is tightly connected, with
Make to form high pressure chest 71 between upper flange 2 and the bottom wall of shell 7, wherein high pressure chest 71 can be connected to cylinder 3, so that cylinder 3
Interior compressed high pressure refrigerant is able to enter high pressure chest 71, at this point, exhaust pipe 8 can be vented using another set-up mode
One end of pipe 8 is directly protruding into high pressure chest 71.It should be noted that the setting position of exhaust pipe 8 is also not limited to this at this time,
Two kinds of set-up modes described above can also be used.
Wherein the sealed connection mode between the periphery wall of upper flange 2 and the inner wall of shell 7 can be using the outer of upper flange 2
Peripheral wall is welded on the inner wall of shell 7.It can also be using further including seal member (not shown go out)；Seal member is arranged in upper method
Between the periphery wall of orchid 2 and the inner wall of shell 7, to seal the gap between the periphery wall of upper flange 2 and the inner wall of shell 7,
Wherein seal member can be O-ring seals.The formation of high pressure chest 71 can be as shown in Figure 9, and cylinder 3 has the 4th end face
32, lower flange 5 is connected on the 4th end face 32, sliding vane groove 33 is provided on 3 inner wall of cylinder, sliding vane groove 33 is on the 4th end face 32
Port 34 is formed, port 34 is at least partially disposed at except the abutting range of lower flange 5.Cylinder 3 can be made to pass through sliding vane groove in this way
33 are connected to the space of housing bottom, to form high pressure chest 71, it should be noted that but after the formation of high pressure chest 71, lower flange 5, gas
The components such as cylinder 3 are respectively positioned in high pressure chest 71.
The another aspect of the utility model provides a kind of air conditioner, including compressor described in embodiment two.
Above embodiments make the utility model have design rationally, structure it is simple, and can guarantee lubricant effect, simultaneously
The advantages of reducing injection flow, avoiding oil plant waste.
The above description is only the embodiments of the present invention, is not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of the claims of the utility model.
Claims (24)
1. a kind of pump assembly, it is characterised in that:
It include: crankshaft (1), upper flange (2), cylinder (3), roller (4) and lower flange (5)；
The upper flange (2) has the first mounting hole (21), and the roller (4) has the second mounting hole (41), the lower flange
(5) there are third mounting hole (51), the both ends of the third mounting hole (51) are respectively open end (52) and closed end (53), institute
Roller (4) setting is stated in the cylinder (3), cylinder (3) setting the upper flange (2) and the lower flange (5) it
Between；
The crankshaft (1) is vertically arranged, and the crankshaft (1) sequentially passes through first mounting hole (21) and second mounting hole
(41) it protrudes into the third mounting hole (51) afterwards, from the open end (52), and described with the third mounting hole (51)
The oil back chamber (54) for allowing lubricating oil to enter is formed between closed end (53)；
Being provided in the middle part of the crankshaft (1) can be connected to and along the axially extending of the crankshaft (1) with the oil back chamber (54)
Drainback passage (11), when the crankshaft (1) rotation, the lubricating oil in the oil back chamber (54) can pass through drainback passage (11)
It is delivered in first mounting hole (21), second mounting hole (41) and the third mounting hole (51).
2. pump assembly according to claim 1, it is characterised in that:
The oil sump (22) to store lubricating oil, the lubricating oil energy in the oil sump (22) are provided on the upper flange (2)
It is enough delivered in first mounting hole (21), second mounting hole (41) and the third mounting hole (51), into described
The lubricating oil of third mounting hole (51) can flow into the oil back chamber (54).
3. pump assembly according to claim 2, it is characterised in that:
The oil return hole (12) being connected to the drainback passage (11) is provided on the side wall of the crankshaft (1), when the crankshaft (1)
When rotation, the lubricating oil in the oil back chamber (54) can be flowed into successively through the drainback passage (11) and the oil return hole (12)
The oil sump (22).
4. pump assembly according to claim 3, it is characterised in that:
The quantity of the oil return hole (12) is at least two, circumferential direction of at least two oil return holes (12) along the crankshaft (1)
Successively lay.
5. pump assembly according to claim 2, it is characterised in that:
The upper flange (2) has opposite first end face (23) and second end face (24), and the upper flange (2) passes through described the
Biend (24) is connected on the cylinder (3), and the oil sump (22) is arranged on the first end face (23).
6. pump assembly according to claim 5, it is characterised in that:
The trapped fuel groove (26) for being provided with oil supply gallery (25) on the upper flange (2) and being located on the second end face (24)；
The both ends of the oil supply gallery (25) are connect with the oil sump (22) and the trapped fuel groove (26) respectively, described to make
Lubricating oil in oil sump (22) can enter the trapped fuel groove (26) by the oil supply gallery (25)；
The trapped fuel groove (26) can be connected to first mounting hole (21) and second mounting hole (41), so that described
Lubricating oil in trapped fuel groove (26) can flow into first mounting hole (21) and second mounting hole (41), and described
Two mounting holes (41) are connected to the third mounting hole (51), to enable the lubricating oil in the trapped fuel groove (26) to pass through
Second mounting hole (41) enters the third mounting hole (51).
7. pump assembly according to claim 6, it is characterised in that:
The trapped fuel groove (26) is the cylinder coaxial with first mounting hole (21).
8. pump assembly according to claim 7, it is characterised in that:
The quantity of the oil supply gallery (25) is at least two, and at least two oil supply galleries (25) are with first peace
Rounded array arrangement centered on the axis of dress hole (21).
9. pump assembly according to claim 6, it is characterised in that:
It is eccentric part (13) that the crankshaft (1), which is located at the part in second mounting hole (41), in the eccentric part (13)
It is provided with first groove (14) axially extending along second mounting hole (41) on surface, makes to enter second mounting hole
(41) lubricating oil can be flowed along first groove (14) towards the third mounting hole (51).
10. pump assembly according to claim 6, it is characterised in that:
It further include that exhaust partition (6) between the upper flange (2) and the cylinder (3) is set, on the exhaust partition (6)
It is set on the crankshaft (1) with the 4th mounting hole (61), and by the 4th mounting hole (61), the trapped fuel groove
(26) it can be connected to the 4th mounting hole (61), the 4th mounting hole (61) is connected to second mounting hole (41),
So that the lubricating oil in the trapped fuel groove (26) can flow into second mounting hole by the 4th mounting hole (61)
(41) in.
11. pump assembly according to claim 10, it is characterised in that:
The second groove extended along the 4th mounting hole (61) axis is provided on the inner wall of 4th mounting hole (61)
(62), enable lubricating oil into the 4th mounting hole (61) along second groove (62) towards second mounting hole
(41) it flows.
12. according to pump assembly described in claim 5 to 11 any one, it is characterised in that:
The first helicla flute (27) are provided on the inner wall of first mounting hole (21), it, can when the crankshaft (1) rotation
Drive the lubricating oil entered in first mounting hole (21) described second can be directed away from along first helicla flute (27)
The movement of end face (24) direction.
13. according to claim 1 to pump assembly described in 11 any one, it is characterised in that:
The lower flange (5) has the third end face (55) of roller (4) described in face, in the inner wall of the third mounting hole (51)
On be provided with the second helicla flute (56), when the crankshaft (1) rotation, be able to drive into the third mounting hole (51)
Lubricating oil can be directed away from third end face (55) the direction movement along second helicla flute (56).
14. pump assembly according to claim 3, it is characterised in that:
Oil guide piece (15) are provided in the drainback passage (11), when the crankshaft (1) rotation, oil guide piece (15) energy
The lubricating oil for being enough driven into the drainback passage (11) is flowed towards the oil return hole (12).
15. a kind of compressor, it is characterised in that:
Including pump assembly (9) described in shell (7) and claim 1 to 14 any one.
16. compressor according to claim 15, it is characterised in that:
It further include exhaust pipe (8)；
The pump assembly (9) is arranged in the shell (7), and the exhaust pipe (8) is threaded through the side wall of the shell (7)
On, and can be connected to the cylinder (3) in the pump assembly (9), so that compressed refrigerant can in the cylinder (3)
It is discharged by the exhaust pipe (8).
17. compressor according to claim 16, it is characterised in that:
It is provided on the side wall of the cylinder (3) first row stomata (31), the exhaust pipe (8) is connected to the first exhaust
On hole (31).
18. compressor according to claim 16, it is characterised in that:
When the pump assembly (9) includes exhaust partition (6), being provided on the exhaust partition (6) can be with the cylinder
(3) discharge chamber (63) being connected to, is provided with second row stomata (64), the exhaust pipe on the side wall of the discharge chamber (63)
(8) it is connected on the second row stomata (64).
19. compressor according to claim 16, it is characterised in that:
The periphery wall of the upper flange (2) and the inner wall of the shell (7) are tightly connected, so that the upper flange (2) and described
High pressure chest (71) are formed between the bottom wall of shell (7), the high pressure chest (71) can be connected to the cylinder (3), so that in institute
It states compressed high pressure refrigerant in cylinder (3) to be able to enter the high pressure chest (71), one end of the exhaust pipe (8) is protruded into described
In high pressure chest (71).
20. compressor according to claim 19, it is characterised in that:
The periphery wall of the upper flange (2) is welded on the inner wall of the shell (7).
21. compressor according to claim 19, it is characterised in that:
It further include seal member；
The seal member is arranged between the periphery wall of the upper flange (2) and the inner wall of the shell (7), to seal
State the gap between the periphery wall of upper flange (2) and the inner wall of the shell (7).
22. compressor according to claim 19, it is characterised in that:
The cylinder (3) has the 4th end face (32), and the lower flange (5) is connected on the 4th end face (32), the gas
It is provided with sliding vane groove (33) on cylinder (3) inner wall, the sliding vane groove (33) is formed port (34) on the 4th end face (32), institute
Port (34) is stated to be at least partially disposed at except the abutting range of the lower flange (5).
23. compressor described in 5 to 22 any one according to claim 1, it is characterised in that:
It further include oil exit pipe (72)；
The bottom of the shell (7) is provided with outage, and the oil exit pipe (72) is connected on the outage, makes shell (7)
The lubricating oil of bottom can be discharged by the oil exit pipe (72).
24. a kind of air conditioner, it is characterised in that:
Including the compressor as described in claim 15 to 23 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820551857.6U CN208281187U (en) | 2018-04-17 | 2018-04-17 | Pump body subassembly and compressor and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820551857.6U CN208281187U (en) | 2018-04-17 | 2018-04-17 | Pump body subassembly and compressor and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208281187U true CN208281187U (en) | 2018-12-25 |
Family
ID=64751584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820551857.6U Expired - Fee Related CN208281187U (en) | 2018-04-17 | 2018-04-17 | Pump body subassembly and compressor and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208281187U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412772A (en) * | 2018-04-17 | 2018-08-17 | 珠海凌达压缩机有限公司 | Pump body subassembly and compressor and air conditioner |
-
2018
- 2018-04-17 CN CN201820551857.6U patent/CN208281187U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412772A (en) * | 2018-04-17 | 2018-08-17 | 珠海凌达压缩机有限公司 | Pump body subassembly and compressor and air conditioner |
| CN108412772B (en) * | 2018-04-17 | 2022-01-04 | 珠海凌达压缩机有限公司 | Pump body subassembly and compressor and air conditioner |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
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