CN208010592U - Pump assembly and compressor with it - Google Patents
Pump assembly and compressor with it Download PDFInfo
- Publication number
- CN208010592U CN208010592U CN201820344332.5U CN201820344332U CN208010592U CN 208010592 U CN208010592 U CN 208010592U CN 201820344332 U CN201820344332 U CN 201820344332U CN 208010592 U CN208010592 U CN 208010592U
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- pump assembly
- liquid portion
- lead channel
- piston
- shaft
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- 239000007788 liquid Substances 0.000 claims abstract description 91
- 239000000314 lubricant Substances 0.000 claims abstract description 44
- 230000008859 change Effects 0.000 claims abstract description 8
- 239000012530 fluid Substances 0.000 claims description 35
- 230000037361 pathway Effects 0.000 claims description 13
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 13
- 238000005461 lubrication Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 11
- 230000009471 action Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 241000233855 Orchidaceae Species 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000008141 laxative Substances 0.000 description 1
- 230000002475 laxative effect Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
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Abstract
The utility model provides a kind of pump assembly and the compressor with it.Wherein, pump assembly includes：At least two structural members；Cylinder is provided with cylinder between two neighboring structural member；There is capacity chamber, piston component to be pivotally disposed in cylinder for piston component, piston component；Feed liquor structure, feed liquor structure is arranged on the end face in structural member towards cylinder and/or feed liquor structure is arranged in the side towards structural member of piston component；Shaft, the axle center of shaft and the axle center eccentric setting and eccentric distance of cylinder are fixed, and shaft is drivingly connected with piston component to change the volume of capacity chamber, and shaft has liquid portion, lubricant medium is entered to by going out liquid portion in feed liquor structure, to be lubricated between piston component and structural member.The utility model efficiently solves the problems, such as that frictional force is larger between the piston component and structural member of pump assembly, the abrasion of easy recurring structure in the prior art.
Description
Technical field
The utility model is related to Compressor Technology fields, in particular to a kind of pump assembly and with its compression
Machine.
Background technology
In the prior art, match for gap between the piston component of pump assembly and structural member (upper flange and limiting plate)
It closes, i.e., between the upper surface and upper flange of piston bush, between the lower face and limiting plate of piston bush be to be slidably matched.Due to work
Two end faces of plug sleeve and the contact area of upper flange, limiting plate are larger, in pump assembly operational process, the upper end of piston bush
Larger sliding friction is will produce between face and upper flange, between the lower face and limiting plate of piston bush.Simultaneously as lateral gas
The effect of muscle power can make the both ends of piston bush be close to upper flange or limiting plate, form larger normal pressure, cause between three
Force of sliding friction bigger, cause larger frictional dissipation, reduce the working efficiency of pump assembly, shorten pump assembly
Service life.
Utility model content
The main purpose of the utility model is to provide a kind of pump assembly and with its compressor, to solve existing skill
The problem of frictional force is larger between the piston component and structural member of art middle pump body component, the abrasion of easy recurring structure.
To achieve the goals above, one side according to the present utility model provides a kind of pump assembly, including：Extremely
Few two structural members；Cylinder is provided with cylinder between two neighboring structural member；Piston component, piston component have capacity chamber,
Piston component is pivotally disposed in cylinder；Feed liquor structure, feed liquor structure are arranged on the end face in structural member towards cylinder,
And/or feed liquor structure is arranged in the side towards structural member of piston component；Shaft, the axle center of shaft and the axle center of cylinder are eccentric
It is arranged and eccentric distance is fixed, and shaft is drivingly connected with piston component to change the volume of capacity chamber, shaft has liquid
Portion, lubricant medium are entered to by going out liquid portion in feed liquor structure, to be lubricated between piston component and structural member.
Further, structural member includes at least one of upper flange, lower flange and limiting plate, and limiting plate is relative under
Flange is arranged close to cylinder.
Further, piston component includes piston bush and the piston that is slidably arranged in piston bush, and feed liquor structure setting exists
On the end face towards cylinder of structural member and/or feed liquor structure is arranged on the end face towards structural member of piston bush, feed liquor knot
Structure includes：At least one lead channel is connected to liquid portion is gone out, and when lead channel is multiple, multiple lead channel are along piston bush and/or knot
Component is provided at circumferentially spaced；At least one reservoir is connected to at least one lead channel.
Further, the groove depth of lead channel is less than or equal to the groove depth of reservoir.
Further, lead channel is arc groove or straight trough, and outer rim of the lead channel from shaft side to pump assembly
Extend.
Further, when lead channel is straight trough, the radial direction of straight trough and piston bush is arranged in angle.
Further, when lead channel is arc groove, along the direction of rotation of shaft, arc groove is towards opposite to the direction of rotation
Direction protrude.
Further, when lead channel is straight trough, straight trough is close to the rotation side of a lateral shaft of the outer rim of pump assembly
To deflection.
Further, reservoir is annular groove or arc groove.
Further, structural member includes upper flange and limiting plate, and lead channel includes：First lead channel is arranged in piston bush
The end face towards upper flange on；Second lead channel is arranged on the end face towards cylinder of limiting plate.
Further, reservoir includes：First reservoir is arranged on the end face towards upper flange of piston bush and with
One lead channel is connected to；Second reservoir is arranged on the end face towards cylinder of limiting plate and is connected to the second lead channel.
Further, one end of piston bush stretches in limiting plate, and the end has piston bush fluid hole, goes out liquid portion packet
It includes：First goes out liquid portion, and lubricant medium goes out liquid portion by first and enters in the first lead channel, between piston bush and upper flange
It is lubricated；Second goes out liquid portion, goes out liquid portion with first and piston bush fluid hole is connected to, lubricant medium by second go out liquid portion and
Piston bush fluid hole enters in the second lead channel, to be lubricated between limiting plate and piston bush.
Further, shaft along its length include cylindrical section connected in sequence and sliding section, first go out liquid portion and/or
Second, which goes out liquid portion, is located in sliding section, and sliding section is drivingly connected with piston component to change the volume of capacity chamber.
Further, shaft has the feed pathway being arranged along its center line, and first goes out liquid portion to be connected with feed pathway
The first logical fluid hole, second to go out liquid portion be the second fluid hole or liquid outlet groove being connected with feed pathway.
Further, when it is liquid outlet groove that second, which goes out liquid portion, going out liquid portion further includes：Third goes out liquid portion, and third goes out liquid portion and is
One end of third fluid hole, third fluid hole is connected to feed pathway, and the other end of third fluid hole is connected to liquid outlet groove.
Another aspect according to the present utility model provides a kind of compressor, including above-mentioned pump assembly.
Using the technical solution of the utility model, pump assembly include at least two structural members, cylinder, piston component, into
Liquid structure and shaft.Wherein, it is provided with cylinder between two neighboring structural member.Piston component has capacity chamber, piston component
It is pivotally disposed in cylinder.Feed liquor structure is arranged on the end face in structural member towards cylinder and/or feed liquor structure setting exists
The side towards structural member of piston component.The axle center of shaft and the axle center eccentric setting and eccentric distance of cylinder are fixed, and are turned
Axis and piston component are drivingly connected to change the volume of capacity chamber, and shaft has a liquid portion, lubricant medium by go out liquid portion into
Enter to feed liquor structure, to be lubricated between piston component and structural member.
In this way, in pump assembly operational process, lubricant medium can enter to piston component by the liquid portion that goes out of shaft
Between structural member, to reduce the friction coefficient between piston component and structural member, and then reduces rubbing action, ensure piston group
Sufficient lubrication between part and the contact surface of structural member.The application middle pump body component solves piston component in the prior art and structure
The serious problem of sliding friction between part, and then extend the service life of piston component and structural member, reduce rubbing for pump assembly
Energy consumption is wiped, the working efficiency and operational reliability of pump assembly are promoted.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide a further understanding of the present invention, this practicality
Novel illustrative embodiments and their description are not constituted improper limits to the present invention for explaining the utility model.
In the accompanying drawings：
Fig. 1 shows the decomposition texture schematic diagram of the embodiment of pump assembly according to the present utility model；
Fig. 2 shows the vertical views of the piston bush of the pump assembly in Fig. 1；
Fig. 3 shows the side view of the piston bush in Fig. 2；
Fig. 4 shows the vertical view of the limiting plate of the pump assembly in Fig. 1；
Fig. 5 shows the sectional view of the limiting plate in Fig. 4；
Fig. 6 shows the front view of the shaft of the pump assembly in Fig. 1；
Fig. 7 shows the location diagram between shaft and piston bush when the pump assembly in Fig. 1 is in original state；
Fig. 8 shows the location diagram between shaft and piston bush when the shaft of the pump assembly in Fig. 1 rotates 60 °；
Fig. 9 shows the location diagram between shaft and piston bush when the shaft of the pump assembly in Fig. 1 rotates 120 °；
Figure 10 shows the position relationship between shaft and piston bush when the shaft of the pump assembly in Fig. 1 rotates 180 °
Figure；
Figure 11 shows the position relationship between shaft and piston bush when the shaft of the pump assembly in Fig. 1 rotates 240 °
Figure；
Figure 12 shows the position relationship between shaft and piston bush when the shaft of the pump assembly in Fig. 1 rotates 300 °
Figure；And
Figure 13 shows the position relationship between shaft and piston bush when the shaft of the pump assembly in Fig. 1 is rotated by 360 °
Figure.
Wherein, above-mentioned attached drawing includes the following drawings label：
11, upper flange；12, lower flange；20, cylinder；30, shaft；31, go out liquid portion；311, first goes out liquid portion；312, second
Go out liquid portion；313, third goes out liquid portion；32, cylindrical section；33, section is slid；40, limiting plate；51, the first lead channel；52, the second feed liquor
Slot；53, the first reservoir；54, the second reservoir；60, piston component；61, piston bush；611, piston bush fluid hole；62, living
Plug；70, rotating shaft support plate.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It should be pointed out that unless otherwise specified, all technical and scientific terms used in this application have and the application
The normally understood identical meanings of person of an ordinary skill in the technical field.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower " is typically to be directed to
For direction shown in the drawings, or on vertical, vertical or gravity direction；Similarly, for ease of understanding
And description, " left and right " is typically for shown in the drawings left and right；" inside and outside " refers to the profile relative to each component itself
It is inside and outside, but the above-mentioned noun of locality is not intended to limit the utility model.
In order to solve in the prior art, frictional force is larger between the piston component and structural member of pump assembly, easy recurring structure
The problem of abrasion, this application provides a kind of pump assembly and with its compressor.
Embodiment one
As shown in Figure 1, pump assembly includes at least two structural members, cylinder 20, piston component 60, feed liquor structure and shaft
30.Wherein, it is provided with cylinder 20 between two neighboring structural member.Piston component 60 has capacity chamber, and piston component 60 can pivot
Turn ground to be arranged in cylinder 20.Feed liquor structure is arranged in structural member towards on the end face of cylinder 20 and the direction knot of piston component 60
The side of component.The axle center of shaft 30 and the axle center eccentric setting and eccentric distance of cylinder 20 are fixed, and shaft 30 and piston group
Part 60 is drivingly connected to change the volume of capacity chamber, and shaft 30 has liquid portion 31, lubricant medium to enter by going out liquid portion 31
To feed liquor structure, to be lubricated between piston component 60 and structural member.
Using the technical solution of the present embodiment, in pump assembly operational process, lubricant medium can pass through shaft 30
Go out liquid portion 31 to enter between piston component 60 and structural member, to reduce the friction coefficient between piston component 60 and structural member,
And then reduce rubbing action, ensure sufficient lubrication between piston component 60 and the contact surface of structural member.The present embodiment middle pump body group
Part solves the problems, such as that sliding friction is serious between piston component and structural member in the prior art, so extend piston component 60 and
The service life of structural member reduces the friction energy loss of pump assembly, promotes the working efficiency and operational reliability of pump assembly.
In the present embodiment, pump assembly can solve the both sides sliding friction of piston component 60 existing in the prior art
Serious problem, solves pump assembly initial start stage, piston component 60 and upper flange 11, limiting plate 40 end face between unlubricated friction
The problem of wiping.
As shown in Figure 1, structural member includes upper flange 11, lower flange 12 and limiting plate 40, and limiting plate 40 is relative to laxative remedy
Orchid 12 is arranged close to cylinder 20.Specifically, feed liquor structure is arranged in piston component 60 towards the side of upper flange 11 and limit
Plate 40 is towards on the end face of cylinder 20.In 30 rotation process of shaft, under the action of the centrifugal force, lubricant medium is by going out liquid portion 31
Enter to piston component 60 towards the side of upper flange 11 and limiting plate 40 towards the end face of cylinder 20 on, with to piston component
Between 60 and upper flange 11, sufficient lubrication is carried out between piston component 60 and limiting plate 40, reduces piston component 60, upper flange 11
And the structural wear of limiting plate 40, extend the service life of pump assembly.Meanwhile above-mentioned setting can reduce rubbing for pump assembly
Energy consumption is wiped, the working efficiency and runnability of pump assembly are promoted.
In the other embodiment being not shown in the accompanying drawings, one towards upper flange in piston component is arranged in feed liquor structure
Side and piston component are towards the side of limiting plate.In shaft rotation process, lubricant medium enters to piston group by going out liquid portion
Part towards the side of upper flange and piston component towards the side of limiting plate, between piston component and upper flange, piston
Sufficient lubrication is carried out between component and limiting plate, reduces the structural wear of piston component, upper flange and limiting plate, extends pump housing group
The service life of part.Meanwhile above-mentioned setting can reduce the friction energy loss of pump assembly, promoted pump assembly working efficiency and
Runnability.
As shown in Figure 1, piston component 60 includes piston bush 61 and the piston 62 being slidably arranged in piston bush 61, feed liquor knot
Structure is arranged in limiting plate 40 towards on the end face of cylinder 20, and feed liquor structure is arranged in piston bush 61 towards upper flange 11
On end face.Optionally, feed liquor structure includes at least one lead channel and at least one reservoir.Wherein, lead channel and go out liquid portion
31 connections, when lead channel is multiple, multiple lead channel are provided at circumferentially spaced along piston bush 61 and structural member.Reservoir with extremely
Few lead channel connection.In this way, in pump assembly operational process, lubricant medium enters to limit by the liquid portion that goes out of shaft 30
Position plate 40 towards on the end face of cylinder 20 and piston bush 61 towards on the end face of upper flange 11, with to piston bush 61 and upper method
Contact surface between orchid 11, between piston bush 61 and limiting plate 40 is lubricated, and is reduced the friction coefficient between three, is prevented from living
Plug sleeve 61, upper flange 11 and limiting plate 40 extend the service life of three since rubbing action recurring structure is worn.It is above-mentioned
The structure of structure is simple, is easily worked, realizes.
Specifically, lubricant medium is introduced into lead channel, is entered in reservoir by lead channel later, to ensure to appoint
Have sufficient lubricant medium between piston bush 61 and upper flange 11 in meaning moment reservoir, piston bush 61 and limiting plate 40 it
Between contact surface be lubricated.
In the present embodiment, feed liquor structure is two, and each feed liquor structure includes two lead channel and a reservoir, wherein
Two lead channel being provided at circumferentially spaced along piston bush 61, other two lead channel are provided at circumferentially spaced along limiting plate 40.This
Sample, in shaft 30,61 operation process of piston bush, above-mentioned setting ensures that lubricant medium can be smoothly entered to lead channel,
To ensure between piston bush 61 and upper flange 11, there is sufficient lubricant medium between piston bush 61 and limiting plate 40.
It should be noted that lead channel and the number of reservoir are without being limited thereto.Optionally, lead channel be three, four or
It is multiple.Optionally, reservoir is for two, three or multiple.In this way, above-mentioned setting ensures there is sufficient profit in feed liquor structure
Sliding medium, to ensure between piston bush 61 and upper flange 11, there is sufficient lubricant medium between piston bush 61 and limiting plate 40.
In the present embodiment, the groove depth of lead channel is less than or equal to the groove depth of reservoir.In this way, lead channel and reservoir it
Between to form oil level poor, it can be ensured that store sufficient lubricant medium in any time feed liquor structure, and then promote lubricant medium
The lubricant effect of contact surface between piston bush 61 and upper flange 11, between piston bush 61 and limiting plate 40.
As shown in Figure 2 and Figure 4, lead channel includes the first lead channel 51 and the second lead channel 52.Wherein, the first lead channel 51
It is arranged in piston bush 61 towards on the end face of upper flange 11.Second lead channel 52 is arranged in limiting plate 40 towards cylinder 20
On end face.In this way, in 30 rotation process of shaft, partial lubrication medium is entered to via liquid portion 31 is gone out in the first lead channel 51,
Another part lubricant medium is entered to via liquid portion 31 is gone out in the second lead channel 52, between piston bush 61 and upper flange 11,
It is lubricated respectively between piston bush 61 and limiting plate 40, and then ensures any time piston bush 61, upper flange 11 and limiting plate
40 contact surface is prevented structural wear, is reduced the frictional dissipation of pump assembly by sufficient lubricant medium.
As shown in Fig. 2, Fig. 4 and Fig. 5, reservoir includes the first reservoir 53 and the second reservoir 54.Wherein, the first liquid storage
Slot 53, which is arranged, to be connected in piston bush 61 towards on the end face of upper flange 11 and with the first lead channel 51.Second reservoir 54 is arranged
It is connected to towards on the end face of cylinder 20 and with the second lead channel 52 in limiting plate 40.In this way, lubricant medium is respectively via first
Lead channel 51 is entered in the first reservoir 53, is entered in the second reservoir 54 via the second lead channel 52, to be situated between to lubrication
Matter is stored, it is ensured that has sufficient lubricant medium on piston bush 61 and limiting plate 40.
As shown in Fig. 2, the first lead channel 51 is arc groove, and lead channel is from 30 side of shaft to the outer of pump assembly
Edge extends, and along the direction of rotation of shaft 30, arc groove is protruded towards direction opposite to the direction of rotation.In this way, the first lead channel
51 is consistent with the direction of rotation of shaft 30, so that lubricant medium is easier to enter in the first lead channel 51, improves work
Lubricant effect between plug sleeve 61 and upper flange 11.
As shown in Figure 2 and Figure 4, the first reservoir 53 and the second reservoir 54 are annular groove.In this way, above structure ensures to live
Sufficient lubricant medium is stored on plug sleeve 61 and limiting plate 40, to ensure between piston bush 61 and upper flange 11, piston bush 61
By sufficient lubrication between limiting plate 40.The structure of above structure is simple, is easily worked.
It should be noted that the structure type of the first reservoir 53 and the second reservoir 54 is without being limited thereto, and optionally, first
Reservoir 53 and the second reservoir 54 are arc groove.The structure of above structure is simple, is easily worked, realizes.
In the other embodiment being not shown in the accompanying drawings, the first reservoir is annular groove, and the second reservoir is arc groove.
In this way, above structure ensures to store sufficient lubricant medium on piston bush and limiting plate, with ensure piston bush and upper flange it
Between, between piston bush and limiting plate by sufficient lubrication.The structure of above structure is simple, is easily worked.
In the other embodiment being not shown in the accompanying drawings, the first reservoir is arc groove, and the second reservoir is annular groove.
In this way, above structure ensures to store sufficient lubricant medium on piston bush and limiting plate, with ensure piston bush and upper flange it
Between, between piston bush and limiting plate by sufficient lubrication.The structure of above structure is simple, is easily worked.
As shown in figure 3, one end of piston bush 61 stretches in limiting plate 40, and the end has piston bush fluid hole 611, goes out
Liquid portion 31 goes out liquid portion 311 including first and second goes out liquid portion 312.Wherein, lubricant medium goes out liquid portion 311 by first and enters to
In one lead channel 51, to be lubricated between piston bush 61 and upper flange 11.Second, which goes out liquid portion 312 and first, goes out liquid portion 311
It is connected to piston bush fluid hole 611, lubricant medium goes out liquid portion 312 by second and piston bush fluid hole 611 enters to second
In lead channel 52, to be lubricated between limiting plate 40 and piston bush 61.In this way, above-mentioned setting ensures that lubricant medium can be suitable
It enters to sharply in the second lead channel 52, adequately to be lubricated between piston bush 61 and limiting plate 40.Above structure
It is simple in structure, it is easily worked.
Optionally, second goes out the lower section that liquid portion 312 goes out liquid portion 311 positioned at first.
Specifically, the lower end of piston bush 61 stretches in limiting plate 40, and shaft 30 is moved with piston 62 and piston bush 61,
Limiting plate 40 is fixed relative to cylinder 20, then piston bush 61 is moved relative to limiting plate 40, and forms friction therebetween
It is secondary.In pump assembly operational process, a part of lubricant medium goes out liquid portion 311 by the first of shaft 30 and enters to the first feed liquor
In slot 51, to be lubricated between piston bush 61 and upper flange 11.Another part lubricant medium goes out by the second of shaft 30
Liquid portion 312 enters in piston bush fluid hole 611, and lubricant medium enters to the second feed liquor by piston bush fluid hole 611 later
In slot 52, to be lubricated between limiting plate 40 and piston bush 61.
As shown in fig. 6, shaft 30 includes cylindrical section 32 connected in sequence and sliding section 33 along its length, first goes out liquid
Portion 311 and second goes out liquid portion 312 in sliding section 33, and sliding section 33 is drivingly connected with piston component 60 to change capacity chamber
Volume.Specifically, sliding section 33 is stretched in piston 62 and is moved with piston 62, piston 62 under the driving of shaft 30 with
The rotation of sliding section 33 simultaneously reciprocatingly slides along the axis direction perpendicular to shaft 30 in piston bush 61 simultaneously, and lubricant medium passes through cunning
Section 33 is moved to enter in the first lead channel 51 and the second lead channel 52.
As shown in fig. 6, shaft 30 has the feed pathway being arranged along its center line, first goes out liquid portion 311 to lead to feed liquor
The first fluid hole that road is connected, second to go out liquid portion 312 be the liquid outlet groove being connected with feed pathway.In this way, lubricant medium is logical
The feed pathway that oil guide piece enters to shaft 30 is crossed, partial lubrication medium enters to the first lead channel by the first fluid hole later
In 51, another part lubricant medium is entered to by the liquid outlet groove being connected to the first fluid hole in piston bush fluid hole 611, later
It is entered in the second lead channel 52 via piston bush fluid hole 611.
It should be noted that second go out liquid portion 312 structure it is without being limited thereto.Optionally, second to go out liquid portion 312 be second to go out
Fluid apertures.The structure of above structure is simple, is easily worked, realizes.
As shown in fig. 6, it further includes that third goes out liquid portion 313 to go out liquid portion 31, third goes out liquid portion 313 and is located under the first fluid hole
Side.Wherein, it is third fluid hole that third, which goes out liquid portion 313, and one end of third fluid hole is connected to feed pathway, third fluid hole
The other end is connected to liquid outlet groove.In this way, lubricant medium enters to the feed pathway of shaft 30 by oil guide piece, partial lubrication later
Medium is entered to by the first fluid hole in the first lead channel 51, and another part lubricant medium with third fluid hole by entering to
In liquid outlet groove, entered in the second lead channel 52 via piston bush fluid hole 611 later.
As shown in Fig. 7 to Figure 13, piston bush 61 is coaxially disposed with limiting plate 40, the first lead channel being arranged on piston bush 61
51 go out the angular consistent of liquid portion 311 with the first of shaft 30, and must not go out liquid portion 311 higher than first.Shaft 30 from 0 ° to
During 360 ° of clockwise movements, piston bush 61 is identical as the angular speed of shaft 30, has lubricant medium to go out liquid by first always
Portion 311 enters in the first lead channel 51, ensure that the unobstructed of oil circuit.
In the present embodiment, piston 62 is mounted in the piston hole of piston bush 61, can occur mutually to slide.Shaft 30 is worn
In the through-hole opened up on piston 62.Piston bush 61 is mounted in cylinder 20, and piston bush 61 can the rotation in cylinder 20.Upper method
Orchid 11 and the centre bore of shaft 30 are coaxially disposed, and piston bush 61 is bolted with cylinder 20.Limiting plate 40 is mounted on gas
The lower section of cylinder 20, lower flange 12 are mounted on the lower section of limiting plate 40, and rotating shaft support plate 70 is mounted on the lower section of lower flange 12, and turns
The lower face of axis 30 is contacted with the upper surface of rotating shaft support plate 70.In pump assembly operational process, shaft 30 rotates clockwise,
Due to the eccentric setting of pump assembly, piston bush 61 and limiting plate 40 are coaxial, but not coaxial with shaft 30, the upper end of piston bush 61
Between face and upper flange 11, between the lower face of piston bush 61 and limiting plate 40 be clearance fit.
Present invention also provides a kind of compressor (not shown), including above-mentioned pump assembly.
Embodiment two
Pump assembly in embodiment two and embodiment one difference lies in：The shape of first lead channel 51 is different.
In the present embodiment, the first lead channel is straight trough, and the radial direction of straight trough and piston bush is arranged in angle, and straight
Slot is deflected close to the direction of rotation of a lateral shaft of the outer rim of pump assembly.In this way, the rotation side of the first lead channel and shaft
To consistent, so that lubricant medium is easier to enter in the first lead channel, the profit between piston bush and upper flange is improved
Sliding effect.
It can be seen from the above description that the above embodiments of the present invention achieve the following technical effects：
In pump assembly operational process, lubricant medium can enter to piston component and structure by the liquid portion that goes out of shaft
Between part, to reduce the friction coefficient between piston component and structural member, and then reduces rubbing action, ensure piston component and knot
Sufficient lubrication between the contact surface of component.The application middle pump body component solves in the prior art between piston component and structural member
The serious problem of sliding friction, and then extend the service life of piston component and structural member, reduce the friction energy loss of pump assembly,
Promote the working efficiency and operational reliability of pump assembly.
Obviously, above-mentioned described embodiment is only the embodiment of the utility model part, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained should all belong to the range of the utility model protection.
It should be noted that term used herein above is merely to describe specific implementation mode, 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 the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, work, device, component and/or combination thereof.
It should be noted that term " first " in the description and claims of this application and above-mentioned attached drawing, "
Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that using in this way
Data can be interchanged in the appropriate case, so that presently filed embodiment described herein can be in addition to illustrating herein
Or the sequence other than those of description is implemented.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (16)
1. a kind of pump assembly, which is characterized in that including：
At least two structural members；
Cylinder (20) is provided with the cylinder (20) between the two neighboring structural member；
There is capacity chamber, the piston component (60) to be pivotally disposed at for piston component (60), the piston component (60)
In the cylinder (20)；
Feed liquor structure, feed liquor structure setting on end face of the structural member towards the cylinder (20) and/or it is described into
Liquid structure setting is in the side of the direction structural member of the piston component (60)；
Shaft (30), the axle center of the shaft (30) are fixed with the axle center eccentric setting and eccentric distance of the cylinder (20), and
The shaft (30) is drivingly connected with the piston component (60) to change the volume of the capacity chamber, shaft (30) tool
There is liquid portion (31), lubricant medium goes out liquid portion (31) described in and enters in the feed liquor structure, with to the piston component
(60) it is lubricated between the structural member.
2. pump assembly according to claim 1, which is characterized in that the structural member includes upper flange (11), lower flange
(12) and at least one of limiting plate (40), and the limiting plate (40) relative to the lower flange (12) close to the cylinder
(20) it is arranged.
3. pump assembly according to claim 2, which is characterized in that the piston component (60) include piston bush (61) and
The direction gas in the structural member is arranged in the piston (62) being slidably arranged in the piston bush (61), the feed liquor structure
On the end face of cylinder (20) and/or the feed liquor structure is arranged on the end face of the direction structural member of the piston bush (61),
The feed liquor structure includes：
At least one lead channel, with it is described go out liquid portion (31) be connected to, when the lead channel be it is multiple when, multiple lead channel edges
The piston bush (61) and/or the structural member are provided at circumferentially spaced；
At least one reservoir is connected to at least one lead channel.
4. pump assembly according to claim 3, which is characterized in that the groove depth of the lead channel is less than or equal to the storage
The groove depth of liquid bath.
5. pump assembly according to claim 3, which is characterized in that the lead channel is arc groove or straight trough, and described
Lead channel is extended from the shaft (30) side to the outer rim of the pump assembly.
6. pump assembly according to claim 5, which is characterized in that described straight when the lead channel is the straight trough
The radial direction of slot and the piston bush (61) is arranged in angle.
7. pump assembly according to claim 5, which is characterized in that when the lead channel is the arc groove, along institute
The direction of rotation of shaft (30) is stated, the arc groove is protruded towards the direction opposite with the direction of rotation.
8. pump assembly according to claim 5, which is characterized in that described straight when the lead channel is the straight trough
Slot is deflected close to the direction of rotation of a lateral shaft (30) of the outer rim of the pump assembly.
9. pump assembly according to claim 3, which is characterized in that the reservoir is annular groove or arc groove.
10. pump assembly according to claim 3, which is characterized in that the structural member include the upper flange (11) and
The limiting plate (40), the lead channel include：
First lead channel (51) is arranged on the end face of the direction upper flange (11) of the piston bush (61)；
Second lead channel (52) is arranged on the end face of the direction cylinder (20) of the limiting plate (40).
11. pump assembly according to claim 10, which is characterized in that the reservoir includes：
First reservoir (53) is arranged on the end face of the direction upper flange (11) of the piston bush (61) and with described the
One lead channel (51) is connected to；
Second reservoir (54) is arranged on the end face of the direction cylinder (20) of the limiting plate (40) and with described second
Lead channel (52) is connected to.
12. pump assembly according to claim 10, which is characterized in that one end of the piston bush (61) stretches to described
In limiting plate (40), and the end has a piston bush fluid hole (611), it is described go out liquid portion (31) include：
First goes out liquid portion (311), and the lubricant medium goes out liquid portion (311) by described first and enters to first lead channel
(51) in, to be lubricated between the piston bush (61) and the upper flange (11)；
Second goes out liquid portion (312), goes out liquid portion (311) with described first and the piston bush fluid hole (611) is connected to, the profit
Sliding medium goes out liquid portion (312) by described second and the piston bush fluid hole (611) enters to second lead channel (52)
It is interior, to be lubricated between the limiting plate (40) and the piston bush (61).
13. pump assembly according to claim 12, which is characterized in that the shaft (30) includes suitable along its length
The cylindrical section (32) of secondary connection and sliding section (33), described first goes out liquid portion (311) and/or described second goes out liquid portion (312) position
In on the sliding section (33), the sliding section (33) is drivingly connected with the piston component (60) to change the capacity chamber
Volume.
14. pump assembly according to claim 12, which is characterized in that the shaft (30) has to be arranged along its center line
Feed pathway, described first to go out liquid portion (311) be the first fluid hole being connected with the feed pathway, and described second goes out liquid
Portion (312) is the second fluid hole or liquid outlet groove being connected with the feed pathway.
15. pump assembly according to claim 14, which is characterized in that when described second go out liquid portion (312) be it is described go out
When liquid bath, it is described go out liquid portion (31) further include：
Third goes out liquid portion (313), and it is third fluid hole, one end of the third fluid hole and institute that the third, which goes out liquid portion (313),
Feed pathway connection is stated, the other end of the third fluid hole is connected to the liquid outlet groove.
16. a kind of compressor, which is characterized in that including the pump assembly described in any one of claim 1 to 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820344332.5U CN208010592U (en) | 2018-03-13 | 2018-03-13 | Pump assembly and compressor with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820344332.5U CN208010592U (en) | 2018-03-13 | 2018-03-13 | Pump assembly and compressor with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208010592U true CN208010592U (en) | 2018-10-26 |
Family
ID=63888716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820344332.5U Withdrawn - After Issue CN208010592U (en) | 2018-03-13 | 2018-03-13 | Pump assembly and compressor with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208010592U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331754A (en) * | 2018-03-13 | 2018-07-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump assembly and compressor with it |
-
2018
- 2018-03-13 CN CN201820344332.5U patent/CN208010592U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331754A (en) * | 2018-03-13 | 2018-07-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump assembly and compressor with it |
| CN108331754B (en) * | 2018-03-13 | 2024-06-18 | 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 same |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20181026 Effective date of abandoning: 20240618 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20181026 Effective date of abandoning: 20240618 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |