CN206035812U - Pump body subassembly and have its compressor - Google Patents
Pump body subassembly and have its compressor Download PDFInfo
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- CN206035812U CN206035812U CN201620728242.7U CN201620728242U CN206035812U CN 206035812 U CN206035812 U CN 206035812U CN 201620728242 U CN201620728242 U CN 201620728242U CN 206035812 U CN206035812 U CN 206035812U
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Abstract
The utility model provides a pump body subassembly and have its compressor. Wherein, pump body subassembly includes a cylinder components, the 2nd cylinder components, with a cylinder components superpose setting and lie in a cylinder components's below, the axis of the axis of a cylinder components's cavity and the 2nd cylinder components's cavity is the collineation not. Carry out eccentric settings with a cylinder components and the 2nd cylinder components, avoid effectively because the big defect of the pump body unbalanced compressor noise of leading to the fact of subassembly atress during a cylinder only.
Description
Technical field
This utility model is related to compressor apparatus technical field, in particular to a kind of pump assembly and with which
Compressor.
Background technology
It is single cylinder compressor that in prior art, holoaxial forwards cylinder piston compressor scheme, and the discharge capacity of compressor is due to being tied
Restriction in terms of structure so that the discharge capacity of compressor of the prior art is low.And, within the compressor, due to depositing for eccentric force
So that there is disequilibrium in the stress that single cylinder holoaxial of the prior art forwards cylinder piston compressor, increase compressor
Vibration noise.
Utility model content
Main purpose of the present utility model is to provide a kind of pump assembly and the compressor with which, to solve existing skill
The problem of the compresser cylinder force unbalance in art.
To achieve these goals, according to one side of the present utility model, there is provided a kind of pump assembly, including：The
One cylinder assembly；Second cylinder assembly, is stacked with the first cylinder assembly and is arranged and positioned at the lower section of the first cylinder assembly, the first gas
The axis of the cavity of cylinder component is not conllinear with the axis of the cavity of the second cylinder assembly.
Further, pump assembly also includes：Rotating shaft, is arranged in the first cylinder assembly and the second cylinder assembly, first
The axis of the cavity of cylinder assembly is e1, the axis of the cavity of the second cylinder assembly and rotating shaft with the offset of the axis of rotating shaft
The offset of axis is e2, wherein, e1=e2.
Further, the axle of the axis of the cavity of the first cylinder assembly, the axis of the cavity of the second cylinder assembly and rotating shaft
Line is coplanar.
Further, the first piston that the first cylinder assembly includes the first cylinder and is arranged in the cavity of the first cylinder,
First piston is sheathed in rotating shaft；The second work that second cylinder assembly includes the second cylinder and is arranged in the cavity of the second cylinder
Plug, second piston are sheathed in rotating shaft.
Further, the hole wall that first piston has the first connecting hole, the first connecting hole is faced directly with least one first,
It is provided with rotating shaft and faces second for being engaged with first directly and face directly, and/or, second piston has the second connecting hole, the second connection
The hole wall in hole is faced directly with least one the 3rd, is provided with and faces the 4th for being engaged with the 3rd directly and face directly in rotating shaft.
Further, first piston has the first connecting hole, and the hole wall of the first connecting hole has and is oppositely arranged and parallel
Two first are faced directly, and/or, second piston has the second connecting hole, and the hole wall of the second connecting hole has and is oppositely arranged and parallel
Two the 3rd face directly.
Further, first piston have the first connecting hole, be provided with least one end face of first piston to
First recess of lubricating oil is provided in the first connecting hole, and/or, second piston has the second connecting hole, and second piston is at least
Be provided with the second recess lubricating oil is provided into the second connecting hole on one end face.
Further, face directly with least one the 5th on the outer peripheral face of first piston, set on the inner peripheral surface of the first cylinder
It is equipped with and faces the 6th for being engaged with the 5th directly and face directly, and/or, face directly with least one the 7th on the outer peripheral face of second piston,
It is provided with the inner peripheral surface of the second cylinder and faces the 8th for being adapted with the 7th directly and face directly.
Further, face directly with two the 5th on the outer peripheral face of first piston, face directly for two the 5th and set in parallel to each other
It is placed on the outer peripheral face of first piston, and/or, face directly with two the 6th on the outer peripheral face of second piston, two the 6th are faced directly
It is arranged on the outer peripheral face of second piston in parallel to each other.
Further, the hole wall that first piston has the first connecting hole, the first connecting hole is faced directly with least one first,
Face directly with least one the 5th on the outer peripheral face of first piston, first faces directly to face directly with the 5th and be mutually perpendicular to；And/or second live
Plug is faced directly with least one the 3rd, is had on the outer peripheral face of second piston with the second connecting hole, the hole wall of the second connecting hole
At least one the 7th face directly, and the 3rd faces directly to face directly with the 7th and be mutually perpendicular to.
Further, the first cylinder assembly includes the first cylinder jacket, and the first cylinder jacket is sheathed on the first cylinder；Second gas
Cylinder component includes the second cylinder jacket, and the second cylinder jacket is sheathed on the second cylinder, the axis of the inner chamber of the first cylinder jacket and second
The axis of the inner chamber of cylinder jacket is not conllinear.
Further, the axis of the cavity of the first cylinder jacket is e3 with the offset of the axis of rotating shaft, the second cylinder jacket
The axis of cavity is e4, wherein, e1=e2=e3=e4 with the offset of the axis of rotating shaft.
Further, the axis of the axis of the cavity of the first cylinder jacket, the axis of the cavity of the second cylinder jacket and rotating shaft is common
Face.
Further, pump assembly also includes：Diaphragm structure, is arranged between the first cylinder assembly and the second cylinder assembly
And be sheathed in rotating shaft, the suction muffler connected with the first cylinder assembly and the second cylinder assembly is provided with diaphragm structure, every
Hardened structure also includes extraneous the first air inlet with suction muffler of connection.
Further, diaphragm structure includes：Stacked the first dividing plate for arranging and second partition, suction muffler be formed in first every
Between plate and second partition.
Further, offer on the first dividing plate connection the first cylinder assembly and suction muffler the first air entry, second every
The second air entry of the second cylinder assembly of connection and suction muffler is offered on plate.
Further, open up fluted to form suction muffler on second partition, the second air entry is arranged on the bottom of groove,
First air inlet is arranged on the cell wall of groove.
Further, the axisymmetrical of the first air entry and the second air entry with regard to rotating shaft.
Further, pump assembly also includes：First flange, with first row QI KOU, first flange is arranged at the first gas
On the upper surface of cylinder component, first row QI KOU is connected with the first cylinder assembly；Second flange, with second exhaust port, second
Flange is arranged on the lower surface of the second cylinder assembly, and second exhaust port is connected with the second cylinder assembly.
Further, pump assembly also includes：First flange, with the second air inlet, the second air inlet and the first cylinder
Component is connected；Second flange, with the 3rd air inlet, the 3rd air inlet is connected with the second cylinder assembly.
Further, the axisymmetrical of the second air inlet and the 3rd air inlet with regard to rotating shaft.
Further, pump assembly also includes：Median septum, is sheathed in rotating shaft and is located at the first cylinder assembly and the second gas
Between cylinder component.
Further, pump assembly also includes：3rd cylinder assembly, the 3rd cylinder assembly and the first cylinder assembly and second
Cylinder assembly is stacked, and rotating shaft is arranged in the first cylinder assembly, the second cylinder assembly and the 3rd cylinder assembly, the 3rd cylinder assembly
The offset of axis of axis and rotating shaft of cavity be e5, wherein, e1=e2=e5.
Further, the axis of the cavity of the first cylinder assembly, the axis of the cavity of the second cylinder assembly, the 3rd air cylinder group
The line of the axis of the projection in the horizontal plane of the axis of the cavity of part and rotating shaft projection in the horizontal plane forms angle, adjacent
Angle it is equal.
According to another aspect of the present utility model, there is provided a kind of compressor, including pump assembly, pump assembly is above-mentioned
Pump assembly.
Further, compressor also includes：First liquor separator, the first liquor separator are connected with the first cylinder assembly；Second
Liquor separator, the second liquor separator are connected with the second cylinder assembly.
Using the technical solution of the utility model, pump assembly includes the first cylinder assembly and the second cylinder assembly.Second
Cylinder assembly and the first cylinder assembly are stacked and arrange and positioned at the lower section of the first cylinder assembly, the axle of the cavity of the first cylinder assembly
Line is not conllinear with the axis of the cavity of the second cylinder assembly.First cylinder assembly and the second cylinder assembly are carried out into eccentric setting,
It is effectively prevented from due to the defect for causing compressor noise big of pump assembly force unbalance during only one of which cylinder.
Description of the drawings
The Figure of description for constituting the part of the application is used for providing further understanding to of the present utility model, this practicality
New schematic description and description is used for explaining this utility model, does not constitute to improper restriction of the present utility model.
In the accompanying drawings：
Fig. 1 shows the structural representation of the embodiment according to compressor of the present utility model；
Fig. 2 shows the configuration schematic diagram of the pump assembly of the compressor in Fig. 1；
Fig. 3 shows the cross-sectional view of the pump assembly in Fig. 1；
Fig. 4 shows the eccentric position schematic diagram of the pump assembly in Fig. 3；
Fig. 5 shows the structural representation of the first cylinder assembly in Fig. 1；
Fig. 6 shows the structural representation of the second cylinder assembly in Fig. 1；
Fig. 7 shows the structural representation of the rotating shaft in Fig. 1；
Fig. 8 shows the structural representation of the piston in Fig. 5；
Fig. 9 shows the structural representation of the piston in Fig. 6；
Figure 10 shows the structural representation of the cylinder in Fig. 5；
Figure 11 shows the structural representation of the cylinder in Fig. 6；
Figure 12 shows the structural representation of the needle roller support in Fig. 1；
Figure 13 shows the structural representation of the pump assembly in Fig. 1；
Figure 14 shows the axonometric chart of the first dividing plate in Fig. 1；
Figure 15 shows the front view of the first dividing plate in Figure 14；
Figure 16 show the A A of the first dividing plate in Figure 15 to profile；
Figure 17 shows the axonometric chart of the second partition in Fig. 1；
Figure 18 shows the axonometric chart of the first flange in Fig. 1；
Figure 19 shows the front view of the first dividing plate in Fig. 1；
Figure 20 shows the axonometric chart of the second partition in Fig. 1；
Figure 21 shows the axonometric chart of the first cylinder jacket in Fig. 1；
Figure 22 shows the front view of the first cylinder jacket in Fig. 1；
Figure 23 shows the axonometric chart of the second cylinder jacket in Fig. 1；
Figure 24 shows the front view of the second cylinder jacket in Fig. 1；
Figure 25 shows the first cylinder assembly compression process schematic diagram in Fig. 1；
Figure 26 shows the second cylinder assembly compression process schematic diagram in Fig. 1；
Figure 27 shows the structural representation of another embodiment according to compressor of the present utility model；
Figure 28 shows the structural representation of the pump assembly in Figure 27；
Figure 29 shows the configuration schematic diagram of the pump assembly in Figure 28；
Figure 30 shows the structural representation of the first flange in Figure 27；
Figure 31 shows the front view of the first flange in Figure 30；
Figure 32 show B B in Figure 31 to profile；
Figure 33 shows the structural representation of the second flange in Figure 27；
Figure 34 shows the front view of the second flange in Figure 33；
Figure 35 shows the profile of the second flange in Figure 34；
Figure 36 shows the profile of the median septum in Figure 27.
Wherein, above-mentioned accompanying drawing includes the following drawings labelling：
10th, the first cylinder assembly；11st, first piston；111st, the first connecting hole；12nd, the first cylinder；13rd, the first cylinder jacket；
20th, the second cylinder assembly；21st, second piston；22nd, the second cylinder；23rd, the second cylinder jacket；211st, the second connecting hole；30th, rotating shaft；
31st, major axis；32nd, supporting surface；33rd, short axle；41st, the first dividing plate；411st, the first air entry；42nd, second partition；421st, groove；
422nd, the second air entry；423rd, the first air inlet；50th, first flange；51st, first row QI KOU；52nd, the second air inlet；60th, second
Flange；61st, second exhaust port；62nd, the 3rd air inlet；71st, the first recess；72nd, the second recess；81st, the first liquor separator；82nd,
Two liquor separators；90th, median septum；100th, needle roller support.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combine.Below with reference to the accompanying drawings and in conjunction with the embodiments describing this utility model in detail.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, which indicates existing characteristics, step, operation, device, component and/or combinations thereof.
It should be noted that the description and claims of this application and the term " first " in above-mentioned accompanying drawing, "
Two " it is etc. for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using
Data can exchange in the appropriate case, so that presently filed embodiment described herein for example can be with except here
Order beyond those of diagram or description is implemented.Additionally, term " comprising " and " having " and their any deformation, it is intended that
Be cover it is non-exclusive include, for example, contain process, method, system, product or the equipment of series of steps or unit not
Be necessarily limited to those steps or the unit clearly listed, but may include clearly not list or for these processes, side
Other intrinsic steps of method, product or equipment or unit.
For the ease of description, space relative terms can be used here, such as " ... on ", " ... top ",
" in ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation levied.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices
To be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes position, it is and relative to space used herein above
Respective explanations are made in description.
Now, the illustrative embodiments according to the application are more fully described with reference to the accompanying drawings.However, these are exemplary
Embodiment can be implemented by many different forms, and should not be construed to be limited solely to embodiment party set forth herein
Formula.It should be appreciated that thesing embodiments are provided so that disclosure herein is thoroughly and complete, and these are shown
The design of example property embodiment is fully conveyed to those of ordinary skill in the art, in the accompanying drawings, for the sake of clarity, it is possible to expand
The big thickness of layer and region, and make to be presented with like reference characters identical device, thus they are retouched by omitting
State.
As shown in Fig. 2 according to one embodiment of the present utility model, there is provided a kind of pump assembly.The pump assembly bag
Include the first cylinder assembly 10 and the second cylinder assembly 20.Second cylinder assembly 20 is with the 10 stacked setting of the first cylinder assembly and is located at
The axis of the cavity of the lower section of the first cylinder assembly 10, the axis of the cavity of the first cylinder assembly 10 and the second cylinder assembly 20 is not
Collinearly.
In the present embodiment, due to the axle of the cavity of the axis and the second cylinder assembly 20 of the cavity of the first cylinder assembly 10
Line is not conllinear, i.e. 10 eccentric setting of the second cylinder assembly 20 and the first cylinder assembly, as single cylinder assembly was running
In journey, cylinder interior can produce centrifugal force, cause then the disequilibrium of cylinder assembly stress.And two cylinder assemblies are stacked
And realize eccentric setting so that centrifugal force of two cylinder assemblies produced by running can be cancelled out each other, and subtract then
The impact to cylinder assembly due to the centrifugal force produced inside cylinder assembly is lacked, has so arranged to effectively improve to have and be somebody's turn to do
The balance of the compressor of cylinder assembly, reduces the noise produced during compressor operating then, improves the efficiency of compressor.
As shown in Figure 3 and Figure 4, pump assembly also includes rotating shaft 30.Rotating shaft 30 is arranged in the first cylinder assembly 10 and second
In cylinder assembly 20, the offset of the axis of the cavity of the first cylinder assembly 10 and the axis of rotating shaft 30 is e1, the second air cylinder group
The axis of the cavity of part 20 is e2, wherein, e1=e2 with the offset of the axis of rotating shaft 30.So arrange and cause the first air cylinder group
There is identical offset, it is ensured that the first cylinder assembly 10 and the second cylinder assembly 20 between part 10 and the second cylinder assembly 20
Size identical centrifugal force can be produced during operation.
Further, the axis of the cavity of the first cylinder assembly 10, the axis of the cavity of the second cylinder assembly 20 and rotating shaft
30 axis co-planar.So arrange enable the first cylinder assembly 10 and the second cylinder assembly 20 operation when produce it is in opposite direction
Centrifugal force.
As shown in Figure 4, Figure 5 and Figure 6, the distance between axis of the axis of the cavity of the first cylinder assembly 10 and rotating shaft 30
It is equal with the distance between the axis of the axis of the cavity of the second cylinder assembly 20 and rotating shaft 30.So arrange and cause the first cylinder
Component 10 produces identical, the in opposite direction centrifugal force of size with the second cylinder assembly 20, so that pump assembly was running
The centrifugal force that Cheng Zhong, the first cylinder assembly 10 and the second cylinder assembly 20 are produced respectively state all the time in cancelling out each other, enters
The balance of pump assembly is improve one step, can will be the noise of pump assembly near minimum.
The first piston 11 that first cylinder assembly 10 includes the first cylinder 12 and is arranged in the cavity of the first cylinder 12.The
One piston 11 is sheathed in rotating shaft 30.Second cylinder assembly 20 includes the second cylinder 22 and is arranged in the cavity of the second cylinder 22
Second piston 21.Second piston 21 is sheathed in rotating shaft 30.First cylinder assembly 10 and the second cylinder assembly 20 pass through rotating shaft
30 stack together, and so arranging can effectively increase the capacity of pump assembly.
As shown in Figure 8 and Figure 9, first piston 11 has the first connecting hole 111.The hole wall of the first connecting hole 111 has extremely
Few one first is faced directly.It is provided with rotating shaft 30 and faces second for being engaged with first directly and face directly, second piston 21 connects with second
Connect hole 211.The hole wall of the second connecting hole 211 is faced directly with least one the 3rd, is provided with and faces matching directly with the 3rd in rotating shaft 30
The 4th for closing faces directly.The connective stability that can increase between rotating shaft 30 and first piston 11 and second piston 21 is so set.
Wherein, as shown in fig. 7, rotating shaft 30 includes major axis 31 and piston supporting surface 32 and short axle 33, second in rotating shaft 30 face directly and
4th faces directly and is arranged in supporting surface 32 this section.Certainly, on the premise of ensureing that pump assembly normally runs, the first cylinder
First piston 11 and second piston 21 in component 10 and the second cylinder assembly 20 can be arranged to identical structure, it is also possible to set
It is set to identical structure.
Preferably, first piston 11 has the first connecting hole 111.The hole wall of the first connecting hole 111 have be oppositely arranged and
Parallel two first face directly, and the hole wall that second piston 21 has the second connecting hole 211, the second connecting hole 211 has relative setting
Put and parallel two the 3rd face directly.The stability that further can increase when piston is connected with rotating shaft 30 is so set.
As shown in Figure 8 and Figure 9, first piston 11 has the first connecting hole 111, at least one end face of first piston 11
Be provided with the first recess 71 lubricating oil is provided into the first connecting hole 111, second piston 21 has the second connecting hole
211, be provided with the second recess lubricating oil is provided into the second connecting hole 211 at least one end face of second piston 21
72.So arrange ensure that pump assembly in running all the time in lubricating status, reduce rotating shaft 30 and other
Frictional force between part and piston, improves the service life of pump assembly.
Face directly with least one the 5th on the outer peripheral face of first piston 11, be provided with the inner peripheral surface of the first cylinder 12 with
5th faces the 6th for being engaged directly faces directly, faces directly with least one the 7th, the second cylinder 22 on the outer peripheral face of second piston 21
Inner peripheral surface on be provided with and face the 8th for being adapted with the 7th directly and face directly.So arranging to increase the work of first piston 11, second
The stability that plug 21 and the first cylinder 12, the second cylinder 22 coordinate.
Preferably, face directly with two the 5th on the outer peripheral face of first piston 11, face directly for two the 5th and set in parallel to each other
It is placed on the outer peripheral face of first piston 11, faces directly with two the 6th on the outer peripheral face of second piston 21, two the 6th is faced directly phase
Mutually abreast it is arranged on the outer peripheral face of second piston 21.So arranging can further increase the work of first piston 11, second
The stability that plug 21 and the first cylinder 12, the second cylinder 22 coordinate.
The hole wall that first piston 11 has the first connecting hole 111, the first connecting hole 111 is faced directly with least one first,
Face directly with least one the 5th on the outer peripheral face of first piston 11, first faces directly to face directly with the 5th and be mutually perpendicular to.Second piston
21 hole walls with the second connecting hole 211, the second connecting hole 211 are faced directly with least one the 3rd, the periphery of second piston 21
Face directly with least one the 7th on face, the 3rd faces directly to face directly with the 7th and be mutually perpendicular to.So arrange increase first piston 11, the
The stability that two pistons 21 and the first cylinder 12, the second cylinder 22 coordinate, while increase the compression performance of pump assembly.
As shown in Figure 10 and Figure 11, the first cylinder assembly 10 includes the first cylinder jacket 13.First cylinder jacket 13 is sheathed on
On one cylinder 12.Second cylinder assembly 20 includes the second cylinder jacket 23.Second cylinder jacket 23 is sheathed on the second cylinder 22, and first
The axis of the inner chamber of cylinder jacket 13 is not conllinear with the axis of the inner chamber of the second cylinder jacket 23.So arrange and can be effectively realized the
20 eccentric setting of one cylinder assembly 10 and the second cylinder assembly, can effectively reduce the centrifugal force produced inside pump assembly to whole
The impact of individual pump assembly, increased the stability of whole pump assembly.Between first cylinder jacket 13 and the first cylinder 12, second
Needle roller support 100 is respectively arranged between cylinder jacket 23 and the second cylinder 22, and wherein needle roller support 100 is as shown in figure 12.
As shown in Figure 21 to 24, can be by by the bias of the axis of the cavity of the first cylinder jacket 13 and the axis of rotating shaft 30
Amount is set to e3, and the axis of the cavity of the second cylinder jacket 23 is e4, wherein, e3=e4 with the offset of the axis of rotating shaft 30.This
Sample setting ensure that in the first cylinder jacket 13 and the second cylinder jacket 23 and can produce size identical centrifugal force.Certainly, at this
In embodiment, e1=e2=e3=e4.Whole pump is realized by the eccentric setting of the first cylinder jacket 13 and the second cylinder jacket 23
The eccentric setting of body component.
Certainly, pump assembly also includes the 3rd cylinder assembly.3rd cylinder assembly and the first cylinder assembly 10 and the second gas
Cylinder component 20 is stacked, and rotating shaft 30 is arranged in the first cylinder assembly 10, the second cylinder assembly 20 and the 3rd cylinder assembly, the 3rd gas
The axis of the cavity of cylinder component is e5 with the offset of the axis of rotating shaft 30, and wherein, e1=e2=e5, e1 are the first cylinder assembly
The offset of the axis of 10 cavity and the axis of rotating shaft 30, e2 are the axis of the cavity of the second cylinder assembly 20 and rotating shaft 30
Axis offset.Further, the axis of the cavity of the first cylinder assembly 10, the axle of the cavity of the second cylinder assembly 20
The company of the axis of line, the axis projection in the horizontal plane of the cavity of the 3rd cylinder assembly and rotating shaft 30 projection in the horizontal plane
Line forms angle, and the number of degrees of adjacent angle are equal.That is the axis of the cavity of the first cylinder assembly 10, second cylinder assembly 20
The axis of the axis of cavity, the axis projection in the horizontal plane of the cavity of the 3rd cylinder assembly and rotating shaft 30 is in the horizontal plane
The line of projection forms angle of the point of the projection formation with the axis of rotating shaft 30 in the horizontal plane as summit.So arranging can
Further increase the capacity with the pump assembly.Ensureing pump assembly in compression process with good balance
While, it is also possible to cylinder assembly is arranged to into the pump assembly of its four or other number numbers.
Further, the axis of the cavity of the first cylinder jacket 13, the axis of the cavity of the second cylinder jacket 23 and rotating shaft 30
Axis co-planar.That is, the axis of the axis of the cavity of the axis of the cavity of the first cylinder jacket 13 and the second cylinder jacket 23 and rotating shaft 30
In approximately the same plane, certainly, if the first cylinder jacket 13 is identical with the cavity of the second cylinder jacket 23 and external structure, simply
When the axial location of cavity is different, in this case, connect the axle between the first cylinder jacket 13 and the second cylinder jacket 23
During line, the projection in the plane of the axis of the axis of the first cylinder jacket 13, the axis of the second cylinder jacket 23 and rotating shaft 30 is located at
On same straight line.
The cavity of the distance between axis of the axis of the cavity of the first cylinder jacket 13 and rotating shaft 30 and the second cylinder jacket 23
Axis and rotating shaft 30 the distance between axis it is equal.Now, the axis of the first cylinder jacket 13, the axis of the second cylinder jacket 23
And the projection in the plane of the axis of rotating shaft 30 is symmetrical with regard to the axis projection centre planar of rotating shaft 30.So arrange
So that the first cylinder jacket 13 produces identical, the in opposite direction centrifugal force of size with the second cylinder jacket 23, so that pump assembly
In running, the centrifugal force that the first cylinder jacket 13 and the second cylinder jacket 23 are produced respectively shape all the time in cancelling out each other
State, further increasing the balance of pump assembly, can will be the noise of pump assembly near minimum.
It is to be noted that the axis of the cavity of the first cylinder jacket 13 can be in the inner chamber in the first cylinder jacket 13 most
The axis in the center of circle of roundlet, and the circle is usually by being arranged on constituting between the multiple screw hole centers in the first cylinder jacket 13
Circle.
The axis of the cavity of the second cylinder jacket 23 can be the center of circle of smallest circle in the inner chamber in the second cylinder jacket 23
Axis, and the circle is usually by the circle for constituting being arranged between the multiple screw hole centers in the second cylinder jacket 23.
Pump assembly also includes diaphragm structure.Diaphragm structure be arranged at the first cylinder assembly 10 and the second cylinder assembly 20 it
Between and be sheathed in rotating shaft 30, be provided with the suction connected with the first cylinder assembly 10 and the second cylinder assembly 20 on diaphragm structure
Air cavity, diaphragm structure also include extraneous the first air inlet 423 with suction muffler of connection.So arrange and enable to the first air cylinder group
Part 10 and the second cylinder assembly 20 carry out air inlet by diaphragm structure, then carry out the gas sucked from the first air inlet 423
Compression.Arranging the structure enables the first cylinder assembly 10 and the second cylinder assembly 20 to be used in conjunction with same suction muffler, subtracts
The little setting size of pump assembly, is effectively improved the compression performance of pump assembly.
Wherein, as shown in Figure 14 to 17, diaphragm structure includes first dividing plate 41 and second partition 42 of stacked setting, air-breathing
Chamber is formed between the first dividing plate 41 and second partition 42.The first cylinder assembly 10 of connection and air-breathing is offered on first dividing plate 41
First air entry 411 in chamber, offers the second air entry of the second cylinder assembly 20 of connection and suction muffler on second partition 42
422.Fluted 421 are opened up on second partition 42 to form suction muffler, and the second air entry 422 is arranged on the bottom of groove 421, the
One air inlet 423 is arranged on the cell wall of groove 421.Certainly, the set location of the first dividing plate 41 and second partition 42 can be mutual
Change, can equally realize the purpose for being supplied to two cylinder assemblies respectively.
As shown in Figure 18 to Figure 20, pump assembly also includes first flange 50 and second flange 60.First flange 50 has
First row QI KOU 51, first flange 50 are arranged on the upper surface of the first cylinder assembly 10, first row QI KOU 51 and the first cylinder
Component 10 is connected.Second flange 60 has second exhaust port 61, and second flange 60 is arranged at the lower end of the second cylinder assembly 20
On face, second exhaust port 61 is connected with the first cylinder assembly 10.So arrange and the first cylinder assembly 10 is inhaled by first
QI KOU 411 sucks gas from suction muffler, and the gas for sucking is passed through Jing after the internal compression of the first cylinder assembly 10 first row
QI KOU 51 is discharged, and completes 10 compression process of the first cylinder assembly.Second cylinder assembly 20 is by the second air entry 422 from suction muffler
Interior suction gas, the gas of suction is discharged by second exhaust port 61 Jing after the internal compression of the second cylinder assembly 20, is completed
Second cylinder assembly, 20 compression process.Wherein it is possible to the first air entry 411 and the second air entry 422 are arranged to regard to rotating shaft
30 axisymmetrical.
As shown in Figure 28 to Figure 36, according to another embodiment of the present utility model, pump assembly includes first flange 50
With second flange 60 and median septum 90.First flange 50 has first row QI KOU 51 and the second air inlet 52, first flange 50
It is arranged on the upper surface of the first cylinder assembly 10, first row QI KOU 51 is connected with the first cylinder assembly 10.Second air inlet
52 are connected with the first cylinder assembly 10.Second flange 60 has second exhaust port 61 and the 3rd air inlet 62.Second flange 60
It is arranged on the lower surface of the second cylinder assembly 20, second exhaust port 61 is connected with the second cylinder assembly 20.3rd air inlet
62 are connected with the second cylinder assembly 20.Median septum 90 is sheathed in rotating shaft 30 and is located at the first cylinder assembly 10 and the second cylinder
Between component 20.So arrange and eliminate the structure that suction muffler is set in two cylinder assemblies so that the first 10 points of cylinder assembly
Not Tong Guo first flange 50 realize that air-breathing and aerofluxuss complete compression process.Second cylinder assembly 20 is inhaled by second flange 60
Gas aerofluxuss complete compression process.As illustrated in figs. 25 and 26, Figure 25 shows the air-breathing of the first cylinder assembly 10, compression, aerofluxuss
Whole process schematic diagram, Figure 26 shows the air-breathing of the second cylinder assembly 20, compression, the whole process schematic diagram of aerofluxuss.Value
It is noted that Figure 25 and Figure 26 are the first cylinder assembly 10 and the second cylinder assembly 20 while schematic diagram when being compressed,
I.e. within the same time, the compression direction of the first cylinder assembly 10 is just with the compression direction of the second cylinder assembly 20 conversely, i.e.
Realize the centrifugal force produced inside two cylinder assemblies to cancel out each other.By the air suction structure of median septum 90, simplify first, the
The structure of two flanges, simplified processing process.Wherein it is possible to the second air inlet 52 and the 3rd air inlet 62 are arranged to regard to rotating shaft
30 axisymmetrical.
Pump assembly in above-described embodiment can be also used for Compressor Technology field.According to the opposing party of the present utility model
A kind of face, there is provided compressor.The compressor includes pump assembly, and pump assembly is the pump assembly in above-described embodiment.Should
Pump assembly includes the first cylinder assembly 10 and the second cylinder assembly 20.Second cylinder assembly 20 and the first cylinder assembly 10 are stacked
Arrange and positioned at the chamber of the lower section of the first cylinder assembly 10, the axis of the cavity of the first cylinder assembly 10 and the second cylinder assembly 20
The axis of body is not conllinear.Figure 1 illustrates compressor during only one of which liquor separator.
In the present embodiment, the support force of flange is efficiently reduced, reduces the abrasion between pump assembly, reduce friction
Power consumption, improves the efficiency of compressor, and the displacement range increasing of compressor is twice.Allow that there is the compressor to realize bigger row
The application of amount.Operationally, the gas force that two cylinders are subject to is equal in magnitude, in opposite direction for the pump assembly, beneficial to reducing the first method
Blue 50, the support force of second flange 60, efficiently solves force unbalance problem.
As shown in figure 27, compressor also includes the first liquor separator 81 and the second liquor separator 82.First liquor separator 81 and first
Cylinder assembly 10 is connected.Second liquor separator 82 is connected with the second cylinder assembly 20.Using two liquor separators respectively to two
Cylinder assembly is supplied gas, it is ensured that the uniformity supplied gas inside cylinder assembly so that each cylinder assembly can be optimal
Compressive state, so as to be effectively improved the discharge capacity of compressor.
As compressed by the central axis of the central axis of cylinder assembly and rotating shaft 30 to be configured with the offset of e
The offset of machine., equivalent to the slide block in cross slides, the center of cylinder assembly is to work for piston in this utility model
The center of the distance at plug center and rotating shaft 30 is respectively equivalent to linkage to the distance of piston centre.So arranging makes to bring about the desired sensation
Cylinder component can constitute crosshead shoe principle during operation.
Piston main body structure is the square piston for having certain roughness requirement, and inside opens up rectangular through holes.Diamond type is lived
Portion has two pairs of planes being parallel to each other the i.e. described above 5th to face directly and the 7th face directly beyond the Great Wall, wherein the upper surface on piston and
Lower surface is coordinated with flange, dividing plate respectively.Plane on piston outer periphery is coordinated with the parallel surface that cylinder is opened up to be realized moving back and forth,
Form a connecting rod of crosshead shoe principle.Piston crown arc surface and cylinder arc surface are with being combined into compression chamber.Internal piston
There is a pair of parallel plane i.e. piston supporting surface to coordinate with rotating shaft piston supporting surface to move back and forth in the rectangular through holes for opening up, formed
Another connecting rod of crosshead shoe principle.Groove i.e. first is opened up at piston supporting surface on the upper and lower end face of piston recessed
Portion 71 and the second recess 72, on the one hand reduce the contact area of piston and rotating shaft, on the other hand have certain oil storage function, reduce
Friction power loss.
Cylinder main body structure is the cylinder for having certain roughness requirement, and inside opens up through hole i.e. piston hole.Wherein cylinder
Main body periphery is that needle roller support 100 is coaxially disposed and cooperates with cages for needle component, constitutes rolling bearing.Through hole by
Arc surface and two plane compositions, through hole arc surface are coordinated with piston crown arc surface, two on cylinder main body plane difference
Coordinate with two planes arranged on piston flat surface outer peripheral face.
Upper spacer structure i.e. the first dividing plate 41 is the flat board for having certain roughness requirement, the side of upper spacer and the first cylinder
12nd, first piston 11, the first cylinder jacket 13 coordinate.The opposite side of upper spacer is coordinated with lower clapboard, is provided with through hole in the middle of upper spacer,
Slightly larger than the diameter of rotating shaft piston supporting part.Upper spacer opens up the first air entry 411 of certain angle, the suction muffler with lower clapboard
Connection, while the suction location of the first cylinder 12 of correspondence.
Lower clapboard be 42 endoporus of second partition and it is cylindrical between open effigurate groove 421, with upper spacer coordinate shape
Into suction muffler.Cylindrical to be provided with the first air inlet 423, the first air inlet 423 is connected with internal suction muffler.Lower clapboard end face is provided with tiltedly
Otch is the second air entry 422, and the second air entry 422 is the air entry of the second cylinder 22, is connected with lower clapboard suction muffler, while
It is corresponding with the suction location of the second cylinder 22, arrangement opposed with the air entry of upper spacer.
Upper flange is that the end face of first flange 50 has deep gouge, is air discharge duct.First row QI KOU 51 is opened up near air discharge duct.It is heavy
Groove is connected with first row QI KOU 51.Exhaust valve plate and valve block baffle plate are housed in first row QI KOU 51, valve block and valve block baffle plate pass through
Valve screw is fixed in the groove at first row QI KOU 51, makes exhaust valve plate just cover first row QI KOU 51.
Lower flange is that the end face of second flange 60 has deep gouge, is air discharge duct.Open up near air discharge duct second exhaust port 61 and
Connect with deep gouge.Exhaust valve plate and valve block baffle plate are housed on air vent, valve block and valve block baffle plate are fixed on second by valve screw
In groove at air vent 61, exhaust valve plate is made just to cover second exhaust port 61.
Upper cylinder set agent structure i.e. the first cylinder jacket 13 is the hollow cylinder for having certain roughness requirement.First cylinder jacket
13 end face opens up screw hole, arranges through the first cylinder jacket 13, fixes with screw fit.The circle constituted by screw hole center,
Cover cylindrical concentric with upper cylinder, there is certain bias with inner circle, offset is e, inner circle and cages for needle cooperation.
Lower cylinder nested structure be the second cylinder jacket 23 it is basically identical with upper cylinder nested structure, differ primarily in that inner circle with it is outer
Round eccentric direction contrast.
Whole pump body component mounting process is as follows：Piston is arranged in cylinder piston hole, cylinder and cages for needle component
It is co-axially mounted, cages for needle component is installed with cylinder jacket inner circle coaxial cooperation.Lower flange is filled by screw hole with therapeutic method to keep the adverse QI flowing downwards cylinder sleeve
It is fitted on together, therapeutic method to keep the adverse QI flowing downwards cylinder sleeve inner circle forms eccentric amount e with lower flange endoporus.Lower clapboard is assembled to by screw hole with therapeutic method to keep the adverse QI flowing downwards cylinder sleeve
Together, lower clapboard endoporus is into eccentric amount e and concentric with lower flange endoporus with therapeutic method to keep the adverse QI flowing downwards cylinder sleeve inner circular, completes the assembling of lower cylinder.On
Flange is assembled together by screw hole with upper cylinder set, and upper cylinder set inner circle forms eccentric amount e with upper flange endoporus.Upper spacer
It is assembled together by screw hole with upper cylinder set, upper spacer forms eccentric amount e with upper cylinder set inner circle, same with upper flange endoporus
The heart, completes the assembling of upper cylinder.Rotating shaft is each passed through lower piston, and rotating shaft support face is coordinated with piston supporting surface.Rotating shaft is distinguished
It is fixed through upper lower flange endoporus, so as to complete the assembling of the whole pump housing.
Compressor operation process is as follows：Motor-driven rotatable shaft rotates, and rotating shaft drives piston movement, piston driving cylinder to turn
It is dynamic.In motor process, all around its own central rotation, piston is only moved back and forth relative to cylinder, piston phase for rotating shaft and cylinder
For rotating shaft is moved back and forth, two reciprocating motions are mutually perpendicular to, i.e. cross slides operation logic.With piston and cylinder it
Between reciprocating motion, two cavitys that piston crown cambered surface, the piston hole arc surface of cylinder and upper and lower end face of flange are formed are gradually
Change, completes air-breathing, compression, exhaust process.
Upper cylinder covers inner circle and therapeutic method to keep the adverse QI flowing downwards cylinder sleeve inner circle has offset 2e, so the suction and discharge process of upper cylinder and lower cylinder
Contrast, when different, the stress of upper lower piston is all equal in magnitude, in opposite direction.Be conducive to reducing rotating shaft and flange
Between active force, reduce abrasion, reduce friction power loss, improve compressor efficiency.
Compressor air suction passage is as follows：Coolant by liquor separator enter diaphragm structure in suction muffler, then respectively through
Upper spacer air entry and lower clapboard air entry enter upper cylinder and lower cylinder.
Structure of the upper flange using the full bearing design of single cylinder, increases air intake passage and air entry：Upper flange end face opens up heavy
Groove, is air entry, radially offers a hole, is suction hole, and suction hole is connected with air entry deep gouge.
Lower flange is radially increased outside diameter at a suction hole, and suction hole and is consistent with housing inner diameter.Purgation
Blue end face is opened up air entry deep gouge and is connected with radial suction hole.
The opposed arrangement of cylinder, during axis of rotation, band piston carries out circular motion, distance of the piston relative to cylinder axis
Run in the range of 0～e.With cylinder into eccentric assembling, major axis is rotated by piston driving cylinder for rotating shaft.Due to rotating shaft it is gentle
There is eccentric relationship in cylinder, during operation, rotating shaft and cylinder are rotated rotating around respective axle center, make reciprocal fortune relative to cylinder, piston
It is dynamic, realize gas compression.So arrange and cause the eccentric force of two cylinders to realize balance, reduce compressor noise vibration.Have simultaneously
Effect ground reduces flange support force, reduces friction power loss, improves the efficiency of compressor.
Preferred embodiment of the present utility model is the foregoing is only, this utility model is not limited to, for this
For the technical staff in field, this utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. are should be included within protection domain of the present utility model.
Claims (26)
1. a kind of pump assembly, it is characterised in that include：
First cylinder assembly (10)；
Second cylinder assembly (20), it is stacked with described first cylinder assembly (10) to arrange and be located at the first cylinder assembly (10)
Lower section, the axis of the axis of the cavity of the first cylinder assembly (10) and the cavity of the second cylinder assembly (20) is not altogether
Line.
2. pump assembly according to claim 1, it is characterised in that the pump assembly also includes：
Rotating shaft (30), is arranged in the first cylinder assembly (10) and second cylinder assembly (20), first cylinder
The offset of the axis of the cavity of component (10) and the axis of the rotating shaft (30) is e1, the chamber of the second cylinder assembly (20)
The axis of body is e2, wherein, e1=e2 with the offset of the axis of the rotating shaft (30).
3. pump assembly according to claim 2, it is characterised in that the axle of the cavity of the first cylinder assembly (10)
The axis co-planar of line, the axis of the cavity of second cylinder assembly (20) and the rotating shaft (30).
4. pump assembly according to claim 2, it is characterised in that
Described first cylinder assembly (10) include the first cylinder (12) and be arranged in the cavity of the first cylinder (12) the
One piston (11), first piston (11) are sheathed in the rotating shaft (30)；
Described second cylinder assembly (20) include the second cylinder (22) and be arranged in the cavity of the second cylinder (22) the
Two pistons (21), second piston (21) are sheathed in the rotating shaft (30).
5. pump assembly according to claim 4, it is characterised in that
The hole wall that described first piston (11) have the first connecting hole (111), the first connecting hole (111) has at least one
First faces directly, is provided with and faces second for being engaged with described first directly and face directly on rotating shaft (30), and/or,
The hole wall that described second piston (21) have the second connecting hole (211), the second connecting hole (211) has at least one
3rd faces directly, is provided with and faces the 4th for being engaged with the described 3rd directly and face directly on rotating shaft (30).
6. pump assembly according to claim 4, it is characterised in that
Described first piston (11) have the first connecting hole (111), and the hole wall of the first connecting hole (111) has and is oppositely arranged
And parallel two first face directly, and/or,
Described second piston (21) have the second connecting hole (211), and the hole wall of the second connecting hole (211) has and is oppositely arranged
And parallel two the 3rd face directly.
7. pump assembly according to claim 4, it is characterised in that described first piston (11) have the first connecting hole
(111), it is provided with least one end face of first piston (11) to provide profit into the first connecting hole (111)
First recess (71) of lubricating oil, and/or, described second piston (21) have the second connecting hole (211), second piston (21)
At least one end face on be provided with to the second recess (72) for providing lubricating oil in the second connecting hole (211).
8. pump assembly according to claim 4, it is characterised in that have extremely on the outer peripheral face of first piston (11)
Few one the 5th is faced directly, is provided with that to face the 6th for being engaged with the described 5th directly straight on the inner peripheral surface of the first cylinder (12)
Face, and/or, face directly with least one the 7th on the outer peripheral face of second piston (21), the second cylinder (22) it is interior
It is provided with side face and faces the 8th for being adapted with the described 7th directly and face directly.
9. pump assembly according to claim 4, it is characterised in that have two on the outer peripheral face of first piston (11)
Individual 5th faces directly, faces directly for two the described 5th and is arranged on the outer peripheral face of the first piston (11) in parallel to each other, and/or,
Face directly with two the 6th on the outer peripheral face of second piston (21), face directly for two the described 6th and be arranged in parallel to each other institute
State on the outer peripheral face of second piston (21).
10. pump assembly according to claim 4, it is characterised in that
The hole wall that described first piston (11) have the first connecting hole (111), the first connecting hole (111) has at least one
First faces directly, faces directly with least one the 5th on the outer peripheral face of first piston (11), and described first faces directly and described the
Five face directly and are mutually perpendicular to；And/or
The hole wall that described second piston (21) have the second connecting hole (211), the second connecting hole (211) has at least one
3rd faces directly, faces directly with least one the 7th on the outer peripheral face of second piston (21), and the described 3rd faces directly and described the
Seven face directly and are mutually perpendicular to.
11. pump assemblies according to claim 4, it is characterised in that
Described first cylinder assembly (10) include the first cylinder jacket (13), and the first cylinder jacket (13) are sheathed on first gas
On cylinder (12)；
Described second cylinder assembly (20) include the second cylinder jacket (23), and the second cylinder jacket (23) are sheathed on second gas
On cylinder (22), the axis of the inner chamber of the first cylinder jacket (13) is common with the axis of the inner chamber of the second cylinder jacket (23)
Line.
12. pump assemblies according to claim 11, it is characterised in that the axis of the cavity of the first cylinder jacket (13)
It is e3 with the offset of the axis of the rotating shaft (30), axis and the rotating shaft (30) of the cavity of the second cylinder jacket (23)
Axis offset be e4, wherein, e1=e2=e3=e4.
13. pump assemblies according to claim 12, it is characterised in that the axle of the cavity of the first cylinder jacket (13)
The axis co-planar of line, the axis of the cavity of second cylinder jacket (23) and the rotating shaft (30).
14. pump assemblies according to claim 2, it is characterised in that the pump assembly also includes：
Diaphragm structure, is arranged between the first cylinder assembly (10) and the second cylinder assembly (20) and is sheathed on and be described
In rotating shaft (30), it is provided with the diaphragm structure equal with the first cylinder assembly (10) and second cylinder assembly (20)
The suction muffler of connection, the diaphragm structure also include extraneous the first air inlet (423) with suction muffler of connection.
15. pump assemblies according to claim 14, it is characterised in that the diaphragm structure includes：It is stacked arrange the
One dividing plate (41) and second partition (42), the suction muffler be formed in the first dividing plate (41) and the second partition (42) it
Between.
16. pump assemblies according to claim 15, it is characterised in that offer connection institute on the first dividing plate (41)
First air entry (411) of the first cylinder assembly (10) and the suction muffler is stated, on second partition (42), connection is offered
Second air entry (422) of the second cylinder assembly (20) and the suction muffler.
17. pump assemblies according to claim 16, it is characterised in that open up fluted on second partition (42)
(421) to form the suction muffler, the second air entry (422) are arranged on the bottom of the groove (421), and described first enters
QI KOU (423) is arranged on the cell wall of the groove (421).
18. pump assemblies according to claim 16, it is characterised in that the first air entry (411) and described second
Axisymmetrical of the air entry (422) with regard to the rotating shaft (30).
19. pump assemblies according to claim 1, it is characterised in that the pump assembly also includes：
First flange (50), with first row QI KOU (51), first flange (50) are arranged at first cylinder assembly
(10), on upper surface, first row QI KOU (51) are connected with the first cylinder assembly (10)；
Second flange (60), with second exhaust port (61), second flange (60) are arranged at second cylinder assembly
(20), on lower surface, second exhaust port (61) are connected with the second cylinder assembly (20).
20. pump assemblies according to claim 1, it is characterised in that the pump assembly also includes：
First flange (50), with the second air inlet (52), the second air inlet (52) and the first cylinder assembly (10)
It is connected；
Second flange (60), with the 3rd air inlet (62), the 3rd air inlet (62) and the second cylinder assembly (20)
It is connected.
21. pump assemblies according to claim 20, it is characterised in that the second air inlet (52) are entered with the described 3rd
Axisymmetrical of the QI KOU (62) with regard to rotating shaft (30).
22. pump assemblies according to claim 2, it is characterised in that the pump assembly also includes：
Median septum (90), is sheathed in the rotating shaft (30) and is located at the first cylinder assembly (10) and second air cylinder group
Between part (20).
23. pump assemblies according to claim 2, it is characterised in that the pump assembly also includes：
3rd cylinder assembly, the 3rd cylinder assembly and the first cylinder assembly (10) and second cylinder assembly (20)
Stacked, rotating shaft (30) are arranged in the first cylinder assembly (10), second cylinder assembly (20) and the 3rd gas
In cylinder component, the axis of the cavity of the 3rd cylinder assembly is e5, wherein, e1 with the offset of the axis of the rotating shaft (30)
=e2=e5.
24. pump assemblies according to claim 23, it is characterised in that the axle of the cavity of the first cylinder assembly (10)
Line, the axis of the cavity of second cylinder assembly (20), the cavity of the 3rd cylinder assembly axis in the horizontal plane
The line for projecting the projection with the axis of the rotating shaft (30) on the horizontal plane forms angle, the adjacent angle phase
Deng.
A kind of 25. compressors, including pump assembly, it is characterised in that the pump assembly is any one of claim 1 to 24
Described pump assembly.
26. compressors according to claim 25, it is characterised in that the compressor also includes：
First liquor separator (81), the first liquor separator (81) are connected with the first cylinder assembly (10)；
Second liquor separator (82), the second liquor separator (82) are connected with the second cylinder assembly (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620728242.7U CN206035812U (en) | 2016-07-08 | 2016-07-08 | Pump body subassembly and have its compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620728242.7U CN206035812U (en) | 2016-07-08 | 2016-07-08 | Pump body subassembly and have its compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206035812U true CN206035812U (en) | 2017-03-22 |
Family
ID=58310825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620728242.7U Active CN206035812U (en) | 2016-07-08 | 2016-07-08 | Pump body subassembly and have its compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206035812U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050662A (en) * | 2016-07-08 | 2016-10-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body assembly and compressor with pump body assembly |
-
2016
- 2016-07-08 CN CN201620728242.7U patent/CN206035812U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050662A (en) * | 2016-07-08 | 2016-10-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body assembly and compressor with pump body assembly |
| CN106050662B (en) * | 2016-07-08 | 2019-04-26 | 珠海格力电器股份有限公司 | Pump assembly and compressor with it |
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| GR01 | Patent grant |