CN109185154A - Pump body subassembly and compressor - Google Patents
Pump body subassembly and compressor Download PDFInfo
- Publication number
- CN109185154A CN109185154A CN201811119341.5A CN201811119341A CN109185154A CN 109185154 A CN109185154 A CN 109185154A CN 201811119341 A CN201811119341 A CN 201811119341A CN 109185154 A CN109185154 A CN 109185154A
- Authority
- CN
- China
- Prior art keywords
- oil
- pump assembly
- sucting cavity
- oil suction
- cross
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000006835 compression Effects 0.000 claims abstract description 25
- 238000007906 compression Methods 0.000 claims abstract description 25
- 239000012530 fluid Substances 0.000 claims abstract description 6
- 239000000446 fuel Substances 0.000 claims description 53
- 239000000463 material Substances 0.000 claims description 5
- 125000004122 cyclic group Chemical group 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 17
- 238000005086 pumping Methods 0.000 abstract 2
- 239000003921 oil Substances 0.000 description 203
- 238000000034 method Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000004992 fission Effects 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical group O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Rotary Pumps (AREA)
Abstract
The invention provides a pump body assembly and a compressor, wherein the pump body assembly comprises: the pump body structure comprises a compression assembly and a crankshaft, wherein the compression assembly is suitable for compressing fluid; one end of the crankshaft, which is connected with the compression assembly, is an oil inlet end, and the end surface of the oil inlet end extends into the crankshaft to form an oil inlet hole; the oil suction structure is arranged on the pump body structure and comprises an oil suction body with an oil suction cavity, one end of the oil suction cavity is communicated with the oil inlet hole, and the other end of the oil suction cavity extends in the direction far away from the oil inlet hole; and the cross-sectional area of at least one position of the oil suction cavity is larger than that of the oil inlet hole. According to the invention, when the pump body assembly pumps oil, the oil firstly enters the oil suction cavity, and the cross section area of the oil passing through the oil suction cavity is larger than that of the oil inlet hole, so that disturbance generated during oil pumping can be relieved, vortexes formed near the oil inlet end are reduced, and a better oil pumping effect is obtained.
Description
Technical field
The present invention relates to compression technique areas, and in particular to a kind of pump assembly and compressor.
Background technique
Compressor is a kind of driven fluid machinery that low-pressure gas is promoted to high pressure gas, it sucks low from air intake duct
The refrigerant gas of warm low pressure is operated by motor after compressing with piston to it, to exhaust pipe discharge high temperature and pressure
Refrigerant gas provides power for refrigeration cycle.In order to guarantee the normal operation of compressor and be hardly damaged, need to compressor
Components be lubricated.
When compressor is run, pump housing pump oil is compressor lubrication.Wherein, pump oil refers in compressor operation, in crankshaft
Heart hole has suction, lubricating oil is taken in Pump Body Parts, lubricating detail.It, can be in the pump housing under in central hole of the crankshaft oil suction
(especially crankshaft lower end two sides) form whirlpool between lid, this will lead to oil and operates near whirlpool, it is difficult to smoothly reach and need
In the structure of lubrication, seriously affect pump oil effect, and then influence the lubricant effect of compressor so that the reliability of compressor compared with
Difference.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that overcoming compressor in the prior art in pump oil easily in crankshaft
Whirlpool is formed between upper oil-sucking hole and compressor housing, influences the defect of pump oil effect, is not easy to provide one kind in oil-sucking hole
Whirlpool, the preferable pump assembly of pump oil effect and compressor are generated between shell.
The present invention provides a kind of pump assembly, comprising:
Pump body structure, including the compression assembly for being suitable for compressing fluid, and the crankshaft being connect with the compression assembly；
One end that the crankshaft is connect with the compression assembly is oil inlet end, and the end face of the oil inlet end is extended with oil inlet into crankshaft
Hole；
Oil suction structure is set on the pump body structure, the oil suction ontology including being formed with oil sucting cavity, described oil sucting cavity one end
It is connected to the fuel feed hole, the other end extends to the direction far from the fuel feed hole；And the oil sucting cavity has position at least one
The cross-sectional area set is greater than the fuel feed hole cross-sectional area.
The oil sucting cavity extends to the process of the other end far from the fuel feed hole from the one end being connected to the fuel feed hole
In, have at least partly position, cross-sectional area continuously enlarges.
The oil sucting cavity extends to the process of the other end far from the fuel feed hole from the one end being connected to the fuel feed hole
In, cross-sectional area continuously enlarges.
The outer contour of the cross section of the oil sucting cavity is smooth curve.
The outer contour of the cross section of the oil sucting cavity is smooth closed curve.
The oil sucting cavity is revolving body.
The bus of the oil sucting cavity is smooth curve.
The oil sucting cavity is the through-hole for axially penetrating through the oil suction ontology.
The oil suction ontology includes the first end plate connecting with the pump body structure, the second end far from the pump body structure
Plate, and the cyclic annular side plate of the connection first end plate and second end plate, the first end plate, the second end plate and the ring-type
Side plate surrounds the oil sucting cavity jointly；
The first end plate is equipped at least one and is connected to the intercommunicating pore of the oil sucting cavity Yu the fuel feed hole.
The cross section of the oil sucting cavity is circle.
The outer diameter of the oil inlet end is e, and the aperture of the fuel feed hole is n, and the cross section maximum gauge of the oil sucting cavity is
D, then D meets, n < D≤2e.
D=1.5e.
The cross section minimum diameter of the oil sucting cavity is d, then d meets, n≤d < D.
The oil suction ontology is equipped with multiple auxiliary through hole, and the auxiliary through hole is connected to the oil sucting cavity and the oil suction knot
The outside of structure.
The auxiliary through hole is uniformly distributed on the oil suction ontology.
The oil suction structure further includes at least one rotation connection structure on the oil suction ontology, the oil suction sheet
Body is adapted to the rotation connection structure rotation in the part of the rotation connection structure two sides.
The rotation connection structure includes the periphery wall set on the oil suction ontology or the groove on internal perisporium.
The rotation connection structure further include set on the oil suction ontology internal perisporium or periphery wall on, with the groove pair
The flange answered.
The oil suction ontology is elastic construction.
The oil suction ontology is stainless steel material.
The oil suction structure is set on the oil inlet end of the crankshaft.
The present invention also provides a kind of compressors, including above-mentioned pump assembly.
Technical solution of the present invention has the advantages that
1. pump assembly provided by the invention, comprising: pump body structure, including the compression group for being suitable for compressing fluid
Part, and the crankshaft being connect with the compression assembly；One end that the crankshaft is connect with the compression assembly be oil inlet end, it is described into
The end face at oily end is extended with fuel feed hole into crankshaft；Oil suction structure is set on the pump body structure, including being formed with oil sucting cavity
Oil suction ontology, described oil sucting cavity one end are connected to the fuel feed hole, and the other end extends to the direction far from the fuel feed hole；And institute
State the cross-sectional area that there is oil sucting cavity the cross-sectional area of position at least one to be greater than the fuel feed hole.By being set on pump body structure
Oil suction structure is set, and is connected to the oil sucting cavity of oil suction structure with the fuel feed hole on crankshaft, and oil sucting cavity has position at least one
Cross-sectional area be greater than the cross-sectional area of fuel feed hole, pump assembly can be made in pump oil, oil is introduced into oil sucting cavity, and by inhaling
The cross-sectional area of oil pocket is greater than the cross-sectional area of fuel feed hole, and the disturbance generated when can alleviate pump oil reduces oil inlet end shape nearby
At whirlpool, obtain preferable pump oil effect.
2. pump assembly provided by the invention, the oil sucting cavity is extended to from the one end being connected to the fuel feed hole far from institute
During the other end for stating fuel feed hole, cross-sectional area is continuously enlarged.Whirlpool can be more efficiently reduced in pump oil in this way,
Improve pump oil effect.
3. pump assembly provided by the invention, the oil sucting cavity is the through-hole for axially penetrating through the oil suction ontology.In this way may be used
So that oil sucting cavity easily facilitates oil suction far from one end of fuel feed hole, have between the one end being connected to fuel feed hole and fuel feed hole bigger
Connection area, to improve whole oil absorption efficiency.
4. pump assembly provided by the invention, the oil suction ontology is equipped with multiple auxiliary through hole, and the auxiliary through hole connects
Lead to the outside of the oil sucting cavity Yu the oil suction structure.Multiple auxiliary through hole will form tension, in oil movement so as to have
Effect alleviates the whirlpool generated when pump oil and disturbance, so that crankshaft pump oil is smooth and abundant, improves the reliability of pump assembly.
5. pump assembly provided by the invention, the auxiliary through hole is uniformly distributed on the oil suction ontology.It in this way can be with
Make the oily whirlpool generated when movement by more balanced tension, when to more efficiently alleviating pump oil in oil sucting cavity and disturbs
It is dynamic.
6. pump assembly provided by the invention, the oil suction structure further includes at least one on the oil suction ontology
Rotation connection structure, the oil suction ontology are adapted to the rotation connection in the part of the rotation connection structure two sides
Structure rotation.Oil suction ontology can be made far from the part of fuel feed hole side, when crankshaft operation speed is larger, cross-sectional area in this way
Become larger, the whirlpool generated when so that pump oil is effectively relieved and disturbance keep pump oil sufficient；It is transversal when crankshaft operation speed is smaller
Area becomes smaller, and keeps pump oil smooth, improves the lubricant effect of pump assembly, promotes the reliability of pump assembly.Meanwhile making pump housing group
Part has stronger applicability.
7. pump assembly provided by the invention, the rotation connection structure include set on the oil suction ontology periphery wall or
Groove on internal perisporium.Groove has the advantages that have the advantages of simple structure and easy realization.
8. pump assembly provided by the invention, the rotation connection structure further includes the internal perisporium set on the oil suction ontology
Or on periphery wall, flange corresponding with the groove.Oil suction ontology can be made in part of the groove far from oil inlet end side in this way,
Obtain better rotating effect.
9. pump assembly provided by the invention, the oil suction ontology is elastic construction.The oil suction ontology of elastic construction, can be with
A degree of adaptability adjusting is carried out to the size of oil sucting cavity cross-sectional area, is generated when to more efficiently reducing pump oil
Whirlpool.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic cross-sectional view of the pump assembly provided in the first embodiment of the invention；
Fig. 2 is the schematic cross-sectional view of the oil suction structure of pump assembly shown in FIG. 1；
Fig. 3 is the a-quadrant enlarged diagram of oil suction structure shown in Fig. 2；
Fig. 4 is the stereoscopic schematic diagram of the oil suction structure of the pump assembly provided in second of embodiment of the invention；
Fig. 5 is the partial schematic diagram of another state of oil suction structure shown in Fig. 2；
Description of symbols:
1- compression assembly, 2- crankshaft, 21- oil inlet end, 22- fuel feed hole, 3- oil suction ontology, 31- auxiliary through hole, 4- oil suction
Chamber, 51- groove, 52- flange, 10- shell.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
As shown in Figure 1-Figure 3, the present embodiment provides a kind of pump assemblies, including pump body structure and oil suction structure.
Pump body structure includes the compression assembly 1 suitable for being compressed to fluid, and the crankshaft 2 connecting with compression assembly 1；It is bent
One end that axis 2 is connect with compression assembly 1 is oil inlet end 21, and the end face of oil inlet end 21 is extended with fuel feed hole 22 into crankshaft 2.Compression
The specific constructive form of component 1 is routine techniques, as long as can be realized compression, while can be according to the difference of compressed format
And it is different, for example, compression assembly 1 then includes cylinder, roller plunger and flange etc. when selecting rotary compression；When selection whirlpool
When rotating compression, compression assembly 1 then includes Moving plate, quiet disk and rack etc..
Oil suction structure is set on pump body structure, the oil suction ontology 3 including being formed with oil sucting cavity 4,4 one end of oil sucting cavity and oil inlet
Hole 22 is connected to, and the other end extends to the direction far from fuel feed hole 22；And oil sucting cavity 4 has the cross-sectional area of position at least one big
Cross-sectional area in the one end being connected to fuel feed hole 22.
By the way that oil suction structure is arranged on pump body structure, and the oil sucting cavity 4 for making oil suction structure and the fuel feed hole 22 on crankshaft 2
Connection, and there is oil sucting cavity 4 cross-sectional area of position at least one to be greater than the cross-sectional area of fuel feed hole 22, can make pump assembly
In pump oil, oil is introduced into oil sucting cavity 4, and is greater than the cross-sectional area of fuel feed hole 22, Ke Yihuan by the cross-sectional area of oil sucting cavity 4
The disturbance generated when solving pump oil reduces the whirlpool that oil inlet end 21 is formed about, obtains preferable pump oil effect.
Realize the cross section that there is oil sucting cavity 4 cross-sectional area of position at least one to be greater than the one end being connected to fuel feed hole 22
Long-pending concrete mode can there are many, in the present embodiment, specifically, oil sucting cavity 4 from be connected to fuel feed hole 22 one end extension
To the other end far from fuel feed hole 22, cross-sectional area is continuously enlarged.It can more efficiently subtract in pump oil in this way
Few whirlpool, improves pump oil effect.As disposable embodiment, it is also possible to as shown in figure 4, oil sucting cavity 4 oneself and fuel feed hole
During one end of 22 connections extends to the other end far from fuel feed hole 22, cross-sectional area is first continuously enlarged, then is continuously reduced.
As disposable embodiment, it is also possible to oil sucting cavity 4 and extends to from the one end being connected to fuel feed hole 22 far from fuel feed hole 22
The other end during, cross-sectional area is gradually increased in step-like.
The concrete shape of the cross section of oil sucting cavity 4 can there are many, in the present embodiment, the cross section of oil sucting cavity 4 is circle
Shape.As disposable embodiment, the cross section of oil sucting cavity 4 is also possible to other outer contours such as ellipse or polygon and is
The shape of smooth closed curve.As disposable embodiment, the outer contour of the cross section of oil sucting cavity 4 may be to have
The non-close smooth curve of notch.
The concrete shape of oil sucting cavity 4 can there are many, in the present embodiment, oil sucting cavity 4 is revolving body, and oil sucting cavity 4
Bus is smooth curve.As disposable embodiment, the bus of oil sucting cavity 4 may be Non-smooth surface curve.As variable
The embodiment changed, oil sucting cavity 4 or non-revolved body.
The concrete mode for realizing that oil sucting cavity 4 is connected to the fuel feed hole 22 of bearing is unrestricted, in the present embodiment, oil sucting cavity
4 be the through-hole for axially penetrating through oil suction ontology 3.Oil sucting cavity 4 can be made to easily facilitate oil suction far from one end of fuel feed hole 22 in this way, with
There is bigger connection area, to improve whole oil absorption efficiency between one end that fuel feed hole 22 is connected to and fuel feed hole 22.
As the disposable embodiment for realizing that oil sucting cavity 4 is connected to the fuel feed hole 22 of bearing, it is also possible to oil suction sheet
Body 3 includes the first end plate connecting with pump body structure, the second end plate far from pump body structure, and connection first end plate and second end
The cyclic annular side plate of plate, first end plate, the second end plate and cyclic annular side plate surround oil sucting cavity 4 jointly；First end plate is equipped at least one
The intercommunicating pore of a connection oil sucting cavity 4 and fuel feed hole 22.
The outer diameter of oil inlet end 21 is e, and the aperture of fuel feed hole 22 is n, and the cross section maximum gauge of oil sucting cavity 4 is D, oil sucting cavity
4 cross section minimum diameter is d, in order to more efficiently reduce whirlpool in pump oil, reduces disturbance when pump oil, preferably D is full
Foot, n < D≤2e；D meets, n≤d < D.In the present embodiment, D=1.5e.As disposable embodiment, it is also possible to
D=1e or D=2e etc..
In order to obtain better pump oil effect, the oil suction ontology 3 of the present embodiment is equipped with multiple auxiliary through hole 31, and auxiliary is logical
The outside of the connection of hole 31 oil sucting cavity 4 and oil suction structure.Multiple auxiliary through hole 31 will form tension in oil movement, so as to
The whirlpool generated when pump oil is effectively relieved and disturbance improve the reliability of pump assembly so that 2 pump oil of crankshaft is smooth and abundant.
As disposable embodiment, auxiliary through hole 31 can not also be set on oil suction ontology 3.
By more balanced tension when in order to which oil can in this way moving in oil sucting cavity 4, to more efficiently alleviate
The whirlpool generated when pump oil and disturbance, the auxiliary through hole 31 in the present embodiment are uniformly distributed on oil suction ontology 3.As convertible
Embodiment, auxiliary through hole 31 can also on oil suction ontology 3 uneven distribution.
In the present embodiment, oil suction structure further includes at least one rotation connection structure on oil suction ontology 3, oil suction
Ontology 3 is adapted to rotation connection structure rotation in the part of rotation connection structure two sides.It can make oil suction ontology 3 in this way
Part far from 22 side of fuel feed hole, when 2 running speed of crankshaft is larger, refering to Fig. 5, cross-sectional area becomes larger, thus effectively slow
The whirlpool generated when solving pump oil and disturbance keep pump oil sufficient；When 2 running speed of crankshaft is smaller, cross-sectional area becomes smaller, and makes pump oil
Smoothly, the lubricant effect for improving pump assembly promotes the reliability of pump assembly.Meanwhile it is stronger suitable to have pump assembly
The property used.As disposable embodiment, oil suction structure also may include multiple rotation connection knots on oil suction ontology 3
Structure.
The specific constructive form of rotation connection structure can there are many, in the present embodiment, rotation connection structure include set
In the groove 51 on the periphery wall of oil suction ontology 3, and on the internal perisporium of oil suction ontology 3, flange 52 corresponding with groove 51.
Groove 51 has the advantages that have the advantages of simple structure and easy realization；And combine flange 52, can make oil suction ontology 3 groove 51 far from into
The part of oily 21 side of end, obtains better rotating effect.As disposable embodiment, it is also possible to rotation connection knot
Structure include set on oil suction ontology 3 internal perisporium on groove 51, and on the periphery wall of oil suction ontology 3, it is corresponding with groove 51
Flange 52.As disposable embodiment, it is also possible that rotation connection structure is only included set on the periphery of oil suction ontology 3
Groove 51 on wall or internal perisporium.As disposable embodiment, rotation connection structure may be hinge arrangement.
In order to obtain better pump oil effect, the oil suction ontology 3 in the present embodiment is elastic construction.The oil suction of elastic construction
Ontology 3 can carry out a degree of adaptability adjusting to the size of 4 cross-sectional area of oil sucting cavity, to more efficiently reduce
The whirlpool generated when pump oil.The implementation for making 3 elastic construction of oil suction ontology is routine techniques, for example, can be by making to inhale
Oily ontology 3 be elastic material, alternatively, can also by make oil suction ontology 3 axial length and oil suction ontology 3 sidewall thickness it
Than sufficiently large, though the axial length of oil suction ontology 3 is longer, while keeping the side wall of oil suction ontology 3 relatively thin etc., these modes
To realize.As disposable embodiment, oil suction ontology 3 or rigid structure.
The specific material of oil suction ontology 3 is unrestricted, as long as can adapt to its specific application environment.In the present embodiment
Oil suction ontology 3 be stainless steel material, as disposable embodiment, oil suction ontology 3 or other high temperature resistants are not easy
The material got rusty.
Specific installation site of the oil suction structure on pump body structure can there are many, the oil suction structure in the present embodiment is set to
On the oil inlet end 21 of crankshaft 2.As disposable embodiment, oil suction structure can also be set on compression assembly 1.Oil suction structure
With the specific connection type of pump body structure, the common linking techniques such as to crimp, being threadedly coupled, details are not described herein.
The specific generation type of oil suction ontology 3 is unrestricted.The knot that oil suction ontology 3 in the present embodiment is integrally formed
Structure.As disposable embodiment, oil suction ontology 3 can also be formed by connecting by two or more separate structures, specific to connect
Mode can there are many, for example, each separate structure can be made tapered, and be equipped on the periphery wall of each fission to extroversion
Multiple grabs that the big one end of cross-sectional area extends, by one it is seperated be inserted into another fission, and by the grab card of the fission
Enter in the seperated auxiliary through hole 31 that it is inserted into, such oil sucting cavity 4 can also rise to a certain extent i.e. there are two separately formed
Reduction pump oil when the effect of whirlpool that generates.
The present embodiment also provides a kind of compressor, including above-mentioned pump assembly and electric machine assembly, shell 10 etc..Wherein,
Pump assembly and motor are loaded in shell 10, and the oil sucked needed for crankshaft 2 is placed in 10 bottom of shell；Electric machine assembly includes rotor
With the stator being sheathed on outside rotor.One end of crankshaft 2 connects compression assembly 1, and the other end connects the rotor of motor.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (22)
1. a kind of pump assembly characterized by comprising
Pump body structure, including the compression assembly (1) for being suitable for compressing fluid, and the song being connect with the compression assembly (1)
Axis (2)；One end that the crankshaft (2) connect with the compression assembly (1) is oil inlet end (21), the end face of the oil inlet end (21)
Fuel feed hole (22) are extended with into crankshaft (2)；
Oil suction structure is set on the pump body structure, the oil suction ontology (3) including being formed with oil sucting cavity (4), the oil sucting cavity
(4) one end is connected to the fuel feed hole (22), and the other end extends to the direction far from the fuel feed hole (22)；And the oil sucting cavity
(4) there is the cross-sectional area of position at least one to be greater than the fuel feed hole (22) cross-sectional area.
2. pump assembly according to claim 1, which is characterized in that the oil sucting cavity (4) from the fuel feed hole (22)
During one end of connection extends to the other end far from the fuel feed hole (22), have at least partly position, cross section
Product continuously enlarges.
3. pump assembly according to claim 2, which is characterized in that the oil sucting cavity (4) from the fuel feed hole (22)
During one end of connection extends to the other end far from the fuel feed hole (22), cross-sectional area is continuously enlarged.
4. pump assembly according to any one of claim 1-3, which is characterized in that the cross section of the oil sucting cavity (4)
Outer contour be smooth curve.
5. pump assembly according to claim 4, which is characterized in that the outer contour of the cross section of the oil sucting cavity (4)
For smooth closed curve.
6. pump assembly according to any one of claims 1-5, which is characterized in that the oil sucting cavity (4) is revolving body.
7. pump assembly according to claim 6, which is characterized in that the bus of the oil sucting cavity (4) is smooth curve.
8. pump assembly described in any one of -7 according to claim 1, which is characterized in that the oil sucting cavity (4) is axial passes through
Wear the through-hole of the oil suction ontology (3).
9. pump assembly described in any one of -7 according to claim 1, which is characterized in that
The oil suction ontology (3) includes the first end plate connecting with the pump body structure, the second end far from the pump body structure
Plate, and the cyclic annular side plate of the connection first end plate and second end plate, the first end plate, the second end plate and the ring-type
Side plate surrounds the oil sucting cavity (4) jointly；
The first end plate is equipped at least one intercommunicating pore for being connected to the oil sucting cavity (4) and the fuel feed hole (22).
10. pump assembly according to claim 1 to 9, which is characterized in that the cross section of the oil sucting cavity (4)
For circle.
11. pump assembly according to claim 10, which is characterized in that the outer diameter of the oil inlet end (21) be e, it is described into
The aperture of oilhole (22) is n, and the cross section maximum gauge of the oil sucting cavity (4) is D, then D meets, n < D≤2e.
12. pump assembly according to claim 11, which is characterized in that D=1.5e.
13. pump assembly according to claim 11 or 12, which is characterized in that the cross section of the oil sucting cavity (4) is minimum
Diameter is d, then d meets, n≤d < D.
14. pump assembly according to claim 1 to 13, which is characterized in that set on the oil suction ontology (3)
Have multiple auxiliary through hole (31), the auxiliary through hole (31) is connected to the outside of the oil sucting cavity (4) and the oil suction structure.
15. pump assembly according to claim 14, which is characterized in that the auxiliary through hole (31) is uniformly distributed in described
On oil suction ontology (3).
16. pump assembly described in any one of -15 according to claim 1, which is characterized in that the oil suction structure further includes setting
At least one rotation connection structure on the oil suction ontology (3), the oil suction ontology (3) is in the rotation connection structure two
The part of side is adapted to the rotation connection structure rotation.
17. pump assembly according to claim 16, which is characterized in that the rotation connection structure includes being set to the suction
The periphery wall of oily ontology (3) or the groove (51) on internal perisporium.
18. pump assembly according to claim 17, which is characterized in that the rotation connection structure further includes set on described
On the internal perisporium or periphery wall of oil suction ontology (3), flange corresponding with the groove (51) (52).
19. pump assembly described in any one of -18 according to claim 1, which is characterized in that the oil suction ontology (3) is bullet
Property structure.
20. pump assembly described in any one of -19 according to claim 1, which is characterized in that the oil suction ontology (3) is not
Rust steel material.
21. pump assembly described in any one of -20 according to claim 1, which is characterized in that the oil suction structure is set to described
On the oil inlet end (21) of crankshaft (2).
22. a kind of compressor, which is characterized in that including pump assembly described in any one of claim 1-21.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811119341.5A CN109185154B (en) | 2018-09-25 | 2018-09-25 | Pump body assembly and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811119341.5A CN109185154B (en) | 2018-09-25 | 2018-09-25 | Pump body assembly and compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109185154A true CN109185154A (en) | 2019-01-11 |
| CN109185154B CN109185154B (en) | 2024-08-16 |
Family
ID=64909824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811119341.5A Active CN109185154B (en) | 2018-09-25 | 2018-09-25 | Pump body assembly and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109185154B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273837A (en) * | 2019-07-24 | 2019-09-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970062332A (en) * | 1996-02-15 | 1997-09-12 | 구자홍 | Crankshaft structure of hermetic compressor |
| JP2001041200A (en) * | 1999-07-26 | 2001-02-13 | Hitachi Ltd | Pump apparatus having vortex generation preventing device |
| CN1309245A (en) * | 2000-02-02 | 2001-08-22 | 株式会社荏原制作所 | Device for combating whirls in pump |
| JP2004068611A (en) * | 2002-08-01 | 2004-03-04 | Suiden Co Ltd | Bellmouth connected with blower wind tunnel part |
| JP2005069048A (en) * | 2003-08-21 | 2005-03-17 | Ebara Corp | Vertical shaft pump and method for operating the same |
| CN101091061A (en) * | 2004-12-27 | 2007-12-19 | 阿塞里克股份有限公司 | Compressor |
| US20110150690A1 (en) * | 2009-12-17 | 2011-06-23 | Industrial Technology Research Institute | Oil supply structure for refrigerant compressor |
| KR20130027779A (en) * | 2011-09-08 | 2013-03-18 | 현대중공업 주식회사 | Suction bell mouth apparatus |
| CN204572559U (en) * | 2015-04-01 | 2015-08-19 | 扬州大学 | A kind of open type water inlet pool 1/4 elliptical horn pipe |
| CN204984889U (en) * | 2015-09-14 | 2016-01-20 | 上海日立电器有限公司 | Low back pressure rolling rotor compressor |
| CN106286226A (en) * | 2016-11-07 | 2017-01-04 | 黄石东贝电器股份有限公司 | The oil pump of a kind of compressor and frequency-changeable compressor |
| CN106704269A (en) * | 2016-10-21 | 2017-05-24 | 江苏大学镇江流体工程装备技术研究院 | Plate-type despin device installed at water pump horn suction inlet |
| CN206439158U (en) * | 2016-12-11 | 2017-08-25 | 华意压缩机股份有限公司 | A kind of oil suction tubular construction for hermetically sealed compressor |
| CN206608320U (en) * | 2017-01-05 | 2017-11-03 | 天津市捷路达生产力促进有限公司 | A kind of axial-flow pump easy to use |
| CN206889353U (en) * | 2017-07-17 | 2018-01-16 | 四川三台剑门泵业有限公司 | A kind of anti-whirlpool centrifugal pump inhalation part |
| CN208996959U (en) * | 2018-09-25 | 2019-06-18 | 珠海凌达压缩机有限公司 | Pump body subassembly and compressor |
-
2018
- 2018-09-25 CN CN201811119341.5A patent/CN109185154B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970062332A (en) * | 1996-02-15 | 1997-09-12 | 구자홍 | Crankshaft structure of hermetic compressor |
| JP2001041200A (en) * | 1999-07-26 | 2001-02-13 | Hitachi Ltd | Pump apparatus having vortex generation preventing device |
| CN1309245A (en) * | 2000-02-02 | 2001-08-22 | 株式会社荏原制作所 | Device for combating whirls in pump |
| JP2004068611A (en) * | 2002-08-01 | 2004-03-04 | Suiden Co Ltd | Bellmouth connected with blower wind tunnel part |
| JP2005069048A (en) * | 2003-08-21 | 2005-03-17 | Ebara Corp | Vertical shaft pump and method for operating the same |
| CN101091061A (en) * | 2004-12-27 | 2007-12-19 | 阿塞里克股份有限公司 | Compressor |
| US20110150690A1 (en) * | 2009-12-17 | 2011-06-23 | Industrial Technology Research Institute | Oil supply structure for refrigerant compressor |
| KR20130027779A (en) * | 2011-09-08 | 2013-03-18 | 현대중공업 주식회사 | Suction bell mouth apparatus |
| CN204572559U (en) * | 2015-04-01 | 2015-08-19 | 扬州大学 | A kind of open type water inlet pool 1/4 elliptical horn pipe |
| CN204984889U (en) * | 2015-09-14 | 2016-01-20 | 上海日立电器有限公司 | Low back pressure rolling rotor compressor |
| CN106704269A (en) * | 2016-10-21 | 2017-05-24 | 江苏大学镇江流体工程装备技术研究院 | Plate-type despin device installed at water pump horn suction inlet |
| CN106286226A (en) * | 2016-11-07 | 2017-01-04 | 黄石东贝电器股份有限公司 | The oil pump of a kind of compressor and frequency-changeable compressor |
| CN206439158U (en) * | 2016-12-11 | 2017-08-25 | 华意压缩机股份有限公司 | A kind of oil suction tubular construction for hermetically sealed compressor |
| CN206608320U (en) * | 2017-01-05 | 2017-11-03 | 天津市捷路达生产力促进有限公司 | A kind of axial-flow pump easy to use |
| CN206889353U (en) * | 2017-07-17 | 2018-01-16 | 四川三台剑门泵业有限公司 | A kind of anti-whirlpool centrifugal pump inhalation part |
| CN208996959U (en) * | 2018-09-25 | 2019-06-18 | 珠海凌达压缩机有限公司 | Pump body subassembly and compressor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273837A (en) * | 2019-07-24 | 2019-09-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109185154B (en) | 2024-08-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4864572B2 (en) | Rotary compressor and refrigeration cycle apparatus using the same | |
| US5314318A (en) | Horizontal multi-cylinder rotary compressor | |
| RU2501978C1 (en) | Double-staged rotary compressor | |
| US10233930B2 (en) | Rotary compressor having two cylinders | |
| US10233928B2 (en) | Two-cylinder hermetic compressor | |
| EP2947321A1 (en) | Multi-cylinder rotary compressor | |
| EP2098727A3 (en) | Swash plate type compressor | |
| CN208996959U (en) | Pump body subassembly and compressor | |
| CN109185154A (en) | Pump body subassembly and compressor | |
| JP2006517634A5 (en) | ||
| CN203394647U (en) | Engine cylinder body of integrated oil pump shell | |
| CN209129853U (en) | Slide plate, compressor and refrigerating plant | |
| CN110925211A (en) | Low-backpressure rolling rotor type compressor and air conditioner | |
| CN208281144U (en) | A kind of horizontal compressor | |
| CN207500112U (en) | A kind of twin-stage scroll compressor with pressure difference oil supply structure | |
| CN206801866U (en) | A kind of compressor | |
| JP7162751B2 (en) | rotary compressor | |
| CN211950862U (en) | Low-backpressure rolling rotor type compressor and air conditioner | |
| CN216447068U (en) | Compressor and inner pressurizing evacuation pump for air pipe thereof | |
| JP2016176458A (en) | Compressor | |
| CN109340112A (en) | Compressor and air conditioner | |
| CN102954000A (en) | Rotary compressor | |
| CN202756205U (en) | Oil pumping device of refrigerator compressor | |
| CN209976725U (en) | Piston ring for compressor | |
| CN215213848U (en) | Novel compressor oil pump structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |