CN108799107A - Pump body assembly, fluid machine and heat exchange equipment - Google Patents
Pump body assembly, fluid machine and heat exchange equipment Download PDFInfo
- Publication number
- CN108799107A CN108799107A CN201810793001.4A CN201810793001A CN108799107A CN 108799107 A CN108799107 A CN 108799107A CN 201810793001 A CN201810793001 A CN 201810793001A CN 108799107 A CN108799107 A CN 108799107A
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- China
- Prior art keywords
- piston bush
- pump assembly
- extension
- piston
- wearing ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000012530 fluid Substances 0.000 title claims abstract description 13
- 238000006073 displacement reaction Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000008141 laxative Substances 0.000 claims description 2
- 230000002475 laxative effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 16
- 238000000354 decomposition reaction Methods 0.000 description 10
- 230000033001 locomotion Effects 0.000 description 5
- 210000002421 cell wall Anatomy 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 244000309464 bull Species 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/10—Stators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/20—Rotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/60—Shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/80—Other components
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention provides a pump body assembly, a fluid machine and heat exchange equipment. Wherein, pump body subassembly includes: an upper flange; an upper antifriction ring; the upper anti-friction ring is positioned in the cylinder, and the upper flange is positioned above the cylinder; the piston assembly is arranged in the cylinder and comprises a piston sleeve and a piston which is arranged in the piston sleeve in a sliding mode, and the upper end face of the piston sleeve is in limit fit with the upper antifriction ring so as to prevent the piston sleeve from displacing in the radial direction relative to the upper flange. The invention effectively solves the problem that the piston sleeve of the pump body assembly is easy to eccentrically rotate and influences the working efficiency of the pump body assembly in the prior art.
Description
Technical field
The present invention relates to pump assembly technical fields, are set in particular to a kind of pump assembly, fluid machinery and heat exchange
It is standby.
Background technology
Currently, in pump assembly operational process, piston bush is easy to happen eccentric, tilt rotation, cause piston bush easily with
Cylinder and piston rub, and have severely impacted the working efficiency and working performance of pump assembly.
Invention content
The main purpose of the present invention is to provide a kind of pump assembly, fluid machinery and heat transmission equipments, to solve existing skill
The piston bush of art middle pump body component easily occurs eccentric rotary, influences the problem of pump assembly working efficiency.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of pump assembly, including：Upper flange；
Upper wearing ring；Cylinder, upper wearing ring are located in cylinder, and upper flange is located at the top of cylinder；Piston component is arranged in cylinder,
Piston component includes piston bush and the piston that is slidably arranged in piston bush, is limited between the upper surface of piston bush and upper wearing ring
Cooperation, to prevent piston bush relative to the displacement of upper flange generation radial direction.
Further, there is the first extension, the first extension to stretch into the centre bore of wearing ring for the upper surface of piston bush
It is interior, and limit and coordinate with the inner surface of the centre bore of upper wearing ring.
Further, upper wearing ring has the 5th limiting groove towards the surface of piston bush, and the upper surface of piston bush has
First extension, the first extension stretch into the 5th limiting groove and with the 5th limiting groove limit stops.
Further, upper wearing ring towards the surface of piston bush there is the 4th extension, the 4th extension to stretch into piston bush
Interior and inner surface limit stops with piston bush.
Further, upper wearing ring has the 4th extension towards the surface of piston bush, and the upper surface of piston bush has the
One limiting groove, the 4th extension stretch into the first limiting groove and with the first limiting groove limit stops.
Further, pump assembly further includes the structural member being located at below cylinder, and the upper surface of structural member has extension
And limit cooperation is carried out by extension and piston bush, to prevent piston bush relative to the displacement of structural member generation radial direction.
Further, structural member is lower flange.
Further, structural member includes lower flange and lower limiting board, and lower limiting board extends between cylinder and lower flange
The upper surface in lower limiting board or lower flange is arranged in portion.
Further, extension stretch into piston bush and with the inner surface limit stops of piston bush.
Further, the lower face of piston bush has the 6th limiting groove, extension stretch into the 6th limiting groove and with
6th limiting groove limit stops.
Further, pump assembly further includes the lower flange being located at below piston component and the lower anti-attrition being arranged in cylinder
Ring limits cooperation between the lower face of piston bush and lower wearing ring, to prevent piston bush from radial direction occurs relative to lower flange
Displacement.
Further, there is limit protrusion, limit protrusion to stretch into lower wearing ring on the surface of the lower wearing ring of the direction of piston bush
Centre bore in, and with the inner surface of the centre bore of lower wearing ring limit coordinate.
Further, the surface of the lower wearing ring of the direction of piston bush has a limit protrusion, lower wearing ring towards piston bush
Surface there is the 7th limiting groove, limit protrusion stretch into the 7th limiting groove and with the 7th limiting groove limit stops.
Further, there is the 5th extension, the 5th extension to stretch into piston on the surface towards piston bush of lower wearing ring
Set in and with the inner surface limit stops of piston bush.
Further, the surface towards piston bush of lower wearing ring has the 5th extension, and the lower face of piston bush has
6th limiting groove, the 5th extension stretch into the 6th limiting groove and with the 6th limiting groove limit stops.
Further, pump assembly further includes：Lower flange is located at the lower section of piston component；Shaft, shaft are threaded through successively
Upper flange, piston bush and lower flange, and shaft is coaxially disposed with upper flange and lower flange.
According to another aspect of the present invention, a kind of fluid machinery, including above-mentioned pump assembly are provided.
According to another aspect of the present invention, a kind of heat transmission equipment, including above-mentioned fluid machinery are provided.
It applies the technical scheme of the present invention, pump assembly includes upper flange, upper wearing ring, cylinder and piston component.Wherein,
Upper wearing ring is located in cylinder, and upper flange is located at the top of cylinder.Piston component is arranged in cylinder, and piston component includes piston
The piston for covering and being slidably arranged in piston bush limits cooperation, to prevent piston between the upper surface of piston bush and upper wearing ring
Cover the displacement that radial direction occurs relative to upper flange.In this way, in pump assembly operational process, the upper end of piston bush is above subtracted
Bull ring limit, support, and then prevent piston bush from movement in the radial direction occurring in the process of running, ensure that piston bush can be just
Often rotation, the piston bush for solving pump assembly in the prior art easily occur eccentric rotary, influence pump assembly working efficiency
Problem improves the operational reliability and working performance of pump assembly.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide further understanding of the present invention, and of the invention shows
Meaning property embodiment and its explanation are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 shows the decomposition texture schematic diagram of the embodiment one of pump assembly according to the present invention；
Fig. 2 shows the sectional views of the pump assembly in Fig. 1；
Fig. 3 shows the sectional view of the piston bush of the pump assembly in Fig. 1；
Fig. 4 shows the decomposition texture schematic diagram of the embodiment two of pump assembly according to the present invention；
Fig. 5 shows the sectional view of the pump assembly in Fig. 4；
Fig. 6 shows the dimensional structure diagram of the upper wearing ring of the pump assembly in Fig. 4；
Fig. 7 shows the sectional view of the piston bush of the pump assembly in Fig. 4；
Fig. 8 shows the decomposition texture schematic diagram of the embodiment three of pump assembly according to the present invention；
Fig. 9 shows the sectional view of the pump assembly in Fig. 8；
Figure 10 shows the dimensional structure diagram of the upper wearing ring of the pump assembly in Fig. 8；
Figure 11 shows the sectional view of the piston bush of the pump assembly in Fig. 8；
Figure 12 shows the decomposition texture schematic diagram of the example IV of pump assembly according to the present invention；
Figure 13 shows the sectional view of the pump assembly in Figure 12；
Figure 14 shows the dimensional structure diagram of the upper wearing ring of the pump assembly in Figure 12；
Figure 15 shows the sectional view of the piston bush of the pump assembly in Figure 12；
Figure 16 shows the decomposition texture schematic diagram of the embodiment five of pump assembly according to the present invention；
Figure 17 shows the sectional views of the pump assembly in Figure 16；
Figure 18 shows the sectional view of the piston bush of the pump assembly in Figure 16；
Figure 19 shows the sectional view of the lower limiting board of the pump assembly in Figure 16；
Figure 20 shows the decomposition texture schematic diagram of the embodiment six of pump assembly according to the present invention；
Figure 21 shows the sectional view of the pump assembly in Figure 20；
Figure 22 shows the sectional view of the lower limiting board of the pump assembly in Figure 20；
Figure 23 shows the decomposition texture schematic diagram of the embodiment seven of pump assembly according to the present invention；
Figure 24 shows the sectional view of the pump assembly in Figure 23；
Figure 25 shows the vertical view of the lower flange of the pump assembly in Figure 23；
Figure 26 shows the decomposition texture schematic diagram of the embodiment eight of pump assembly according to the present invention；
Figure 27 shows the sectional view of the pump assembly in Figure 26；
Figure 28 shows the dimensional structure diagram of the lower wearing ring of the pump assembly in Figure 26；
Figure 29 shows the sectional view of the piston bush of the pump assembly in Figure 26；
Figure 30 shows the decomposition texture schematic diagram of the embodiment nine of pump assembly according to the present invention；
Figure 31 shows the sectional view of the pump assembly in Figure 30；
Figure 32 shows the dimensional structure diagram of the lower wearing ring of the pump assembly in Figure 30；
Figure 33 shows the sectional view of the piston bush of the pump assembly in Figure 30；
Figure 34 shows the decomposition texture schematic diagram of the embodiment ten of pump assembly according to the present invention；
Figure 35 shows the sectional view of the pump assembly in Figure 34；
Figure 36 shows the dimensional structure diagram of the lower wearing ring of the pump assembly in Figure 34；And
Figure 37 shows the sectional view of the piston bush of the pump assembly in Figure 34.
Wherein, above-mentioned attached drawing includes the following drawings label：
11, upper flange；12, lower flange；13, lower limiting board；14, upper limit plate；20, cylinder；30, shaft；40, piston
Set；41, the first extension；42, the first limiting groove；43, limit protrusion；44, step surface；45, the 6th limiting groove；50, living
Plug；60, lower wearing ring；61, the 7th limiting groove；62, the 5th extension；70, upper wearing ring；71, the 5th limiting groove；72,
4th extension；80, extension.
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 present invention 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 is typically directed to attached drawing as " upper and lower "
Shown in for direction, or on vertical, vertical or gravity direction；Similarly, it for ease of understanding and retouches
It states, " left and right " is typically for shown in the drawings left and right；" inside and outside " refers to the inside and outside of the profile relative to each component itself,
But the above-mentioned noun of locality is not intended to restrict the invention.
Piston bush in order to solve pump assembly in the prior art easily occurs eccentric rotary, influences pump assembly working efficiency
The problem of, this application provides a kind of pump assembly, fluid machinery and heat transmission equipments.
Embodiment one
As shown in Figure 1 to Figure 3, pump assembly includes upper flange 11, upper wearing ring 70, cylinder 20 and piston component.Wherein,
Upper wearing ring 70 is located in cylinder 20, and upper flange 11 is located at the top of cylinder 20.Piston component is arranged in cylinder 20, piston group
Part includes piston bush 40 and the piston being slidably arranged in piston bush 40 50, between the upper surface of piston bush 40 and upper wearing ring 70
Limit cooperation, to prevent piston bush 40 relative to the displacement of the generation radial direction of upper flange 11.
Using the technical solution of the present embodiment, in pump assembly operational process, the upper end of piston bush 40 is by upper wearing ring
70 limits, support, and then prevent piston bush 40 from movement in the radial direction occurring in the process of running, ensure that piston bush 40 can
Normal rotation, the piston bush for solving pump assembly in the prior art easily occur eccentric rotary, influence pump assembly working efficiency
The problem of, improve the operational reliability and working performance of pump assembly.
As shown in Figure 1 to Figure 3, the upper surface of piston bush 40 has the first extension 41, and the first extension 41, which stretches into, to be subtracted
In the centre bore of bull ring 70, and limits and coordinate with the inner surface of the centre bore of upper wearing ring 70.Specifically, it is run in pump assembly
In the process, the first extension 41 is stretched into the centre bore of wearing ring 70 and can be limited with the inner surface of centre bore and coordinated, with
The limit that radial direction is carried out to the upper end of piston bush 40 prevents the upper end of piston bush 40 is opposite from radial side occurs with upper flange 11
To displacement, avoid piston bush 40 and piston 50 or the interference of 20 recurring structure of cylinder and influence the normal operation of pump assembly.On
The structure for stating structure is simple, is easily worked, realizes.
In the present embodiment, in a ring, and the first extension 41 is coaxially disposed the first extension 41 with piston bush 40.This
Sample, above-mentioned setting ensures that piston bush 40 can be rotated relative to upper flange 11, and then ensures the reliable for operation of pump assembly
Property.Piston bush 40 and 11 eccentric setting of upper flange, and the eccentric amount e that eccentricity is pump assembly.In this way, above-mentioned setting to live
First extension 41 of plug sleeve 40 can be in the centre bore of upper limit plate 14 on the center axis thereof of piston bush 40, guarantee
Limiting plate 14 is to the limit of piston bush 40, support reliability.
It should be noted that the structure of the first extension 41 is without being limited thereto.Optionally, the first extension 41 is double-layer circular
Structure, outermost cyclic structure and the inner surface of the centre bore of upper limit plate 14 carry out limit stops.In this way, above-mentioned setting makes
The structure more diversity of the first extension 41 is obtained, so that the processing of piston bush 40, manufacture are more prone to, simply, is reduced
The labor intensity of staff.
Optionally, the first extension 41 is bulge loop, and bulge loop is coaxially disposed with piston bush 40.
It should be noted that the structure of the first extension 41 is without being limited thereto.Optionally, the first extension 41 is at least one
Protrusion, when protrusion is multiple, multiple protrusions are coaxially disposed around the circle formed and piston bush 40.
As depicted in figs. 1 and 2, pump assembly further includes the lower flange 12 for being located at 20 lower section of cylinder.Wherein, lower flange 12
There is eccentric boss, eccentric boss can extend into piston bush 40 for upper surface, to carry out the limit of radial direction to piston bush 40
Position.Meanwhile the upper end of piston bush 40 is by 70 limited support of upper wearing ring, so that the upper/lower terminal of piston bush 40 is limited
Position support avoids piston bush 40 from interfering and influence the normal operation of pump assembly with piston 50 or 20 recurring structure of cylinder, is promoted
The operational reliability and working performance of pump assembly.
As shown in Fig. 2, the eccentric boss for being arranged in 12 upper surface of lower flange stretch into piston bush 40 and with piston bush 40
Inner surface limit stops.Specifically, the eccentric boss of lower flange 12 stretches to the inner surface of piston bush 40, with to piston bush 40
Lower end carries out limit stops, to realize limit of the lower flange 12 to 40 radial direction of piston bush.
It should be noted that the structure of lower flange 12 is without being limited thereto.Optionally, the upper surface of lower flange 12 is plane.
As depicted in figs. 1 and 2, pump assembly further includes shaft 30.Wherein, shaft 30 is threaded through upper flange 11, lives successively
Plug sleeve 40 and lower flange, and shaft 30 is coaxially disposed with upper flange 11 and lower flange 12.Specifically, in pump assembly operational process
In, shaft 30 is rotated around the central axis of upper flange 11, and piston bush 40 is rotated around the centre bore of upper wearing ring 70, and piston 50 is opposite
It is only moved back and forth in piston bush 40, piston 50 is moved back and forth relative to shaft 30, and two reciprocating motions are mutually perpendicular to, i.e. pump housing group
The operation of part follows cross slides principle.With the reciprocating motion between piston 50 and piston bush 40, the head of piston 50
Cambered surface, the inner surface of cylinder 20, piston bush 40 pilot hole between two cavity volumes being formed gradually change, complete air-breathing,
Compression, exhaust process.
Present invention also provides a kind of fluid machinery (not shown), including above-mentioned pump assembly.Optionally, fluid machinery
For compressor.
Present invention also provides a kind of heat transmission equipment (not shown), including above-mentioned fluid machinery.Optionally, heat transmission equipment
For air conditioner.
Embodiment two
Pump assembly in embodiment two and embodiment one difference lies in：The structure of upper wearing ring 70 and lower flange 12 is not
Together.
As shown in Figures 4 to 7, upper wearing ring 70 has the 5th limiting groove 71, piston bush towards the surface of piston bush 40
40 upper surface has the first extension 41, the first extension 41 stretch into the 5th limiting groove 71 and with the 5th limiting groove 71
Limit stops.Specifically, in pump assembly operational process, the outer surface of the first extension 41 of piston bush 40 and the 5th limit
The cell wall limit stops of groove 71, and then wearing ring 70 is realized to the limit stops of the upper end of piston bush 40, prevent piston
The displacement of radial direction occurs relative to upper flange 11 for the upper end of set 40, promotes the operational reliability of pump assembly.
Optionally, the 5th limiting groove 71 is annular groove, and the centre bore of annular groove and upper wearing ring 70 is coaxially disposed.
Optionally, the first extension 41 is loop configuration, and the 5th limiting groove 71 and the first extension 41 are coaxially disposed.
Embodiment three
Pump assembly in embodiment three and embodiment one difference lies in：The structure of upper wearing ring 70 and lower flange 12 is not
Together.
As shown in Figs. 8 to 11, upper wearing ring 70 has the 4th extension 72 towards the surface of piston bush 40, and the 4th extends
Portion 72 stretch into piston bush 40 and with the inner surface limit stops of piston bush 40.Specifically, have on the inner surface of piston bush 40
Step surface 44, the 4th extension 72 are stretched into 44 limit stops of step surface in step surface 44, to realize upper wearing ring 70 to piston
Cover the limit of 40 radial directions.
Optionally, in a ring, and the centre bore of the 4th extension 72 and upper wearing ring 70 is coaxially disposed the 4th extension 72.
It should be noted that the structure of the 4th extension 72 is without being limited thereto.Optionally, the 4th extension 72 is double-layer circular
Structure, outermost layer cyclic structure and the inner surface of step surface 44 carry out limit stops.In this way, above-mentioned setting makes the 4th extension
72 structure more diversity reduces staff's so that the processing of upper wearing ring 70, manufacture are more prone to, simply
Labor intensity.
Example IV
Pump assembly in example IV and embodiment one difference lies in：Upper wearing ring 70, piston bush 40 and lower flange
12 structure is different.
As shown in Figure 12 to Figure 15, upper wearing ring 70 has the 4th extension 72, piston bush towards the surface of piston bush 40
40 upper surface has the first limiting groove 42, the 4th extension 72 stretch into the first limiting groove 42 and with the first limiting groove
42 limit stops.Specifically, in pump assembly operational process, the 4th extension 72 stretches into the first limiting groove 42, then and
The cell wall limit stops of the outer surface of four extensions 72 and the first limiting groove 42, to realize upper wearing ring 70 to 40 diameter of piston bush
Limit to direction.
In the present embodiment, the 4th extension 72 and the first limiting groove 42 in a ring, and the 4th extension 72, first limit
Position groove 42 and piston bush 40 are coaxially disposed.The structure of above structure is simple, easy to implement, processing.
Embodiment five
Pump assembly in embodiment five and embodiment one difference lies in：The structure of pump assembly is different.
As shown in Figure 16 to Figure 19, pump assembly further includes the structural member for being located at 20 lower section of cylinder, the upper surface of structural member
Limit cooperation is carried out with extension 80 and by extension 80 and piston bush 40, to prevent piston bush 40 from being sent out relative to structural member
The displacement of raw radial direction.Wherein, structural member includes lower flange 12 and lower limiting board 13, and lower limiting board 13 is located at cylinder 20 under
Between flange 12, extension 80 is arranged in the upper surface of lower limiting board 13.Specifically, upper and lower flange is used to support shaft 30, under
Limiting plate 13 is used to carry out limit stops to the lower end of piston bush 40, prevents piston bush 40 relative to lower flange 12 and lower limiting board
13 occur the displacement of radial direction, and then promote the functional reliability of pump assembly.
As shown in figure 18, the inner surface of 40 lower end of piston bush has a step surface 44, extension 80 stretch into piston bush 40 and
With 44 limit stops of step surface, to prevent the lower end of piston bush 40 from radial direction occurs relative to lower limiting board 13 and lower flange 12
Displacement.
In the other embodiment being not shown in the accompanying drawings, extension is arranged in the upper surface of lower flange.Specifically, laxative remedy
Extension on orchid carries out limit stops to the lower end of piston bush, to prevent the lower end of piston bush relative to lower flange (lower limit
Plate) occur radial direction displacement.Meanwhile the upper end of piston bush is by upper flange limited support, so that piston bush is upper and lower
Both ends are limited support, and piston bush is avoided to interfere and influence the normal operation of pump assembly with piston or cylinder recurring structure,
Promote the operational reliability and working performance of pump assembly.
Embodiment six
Pump assembly in embodiment six and embodiment five difference lies in：The structure of piston bush 40 is different.
As shown in Figure 20 to Figure 22, there is the 6th limiting groove 45, extension 80 to stretch into the 6th for the lower face of piston bush 40
In limiting groove 45 and with 45 limit stops of the 6th limiting groove.Specifically, in pump assembly operational process, lower limiting board 13
Extension 80 stretch into the 6th limiting groove 45 of piston bush 40, to realize limit of the lower limiting board 13 to 40 lower end of piston bush
Position, support.Meanwhile the upper end of piston bush 40 is by 70 limit stops of upper wearing ring, and then ensure the upper and lower end quilt of piston bush 40
Limited support avoids piston bush 40 from interfering and influence the normal operation of pump assembly with piston 50 or 20 recurring structure of cylinder, carries
Rise the operational reliability of pump assembly.
Embodiment seven
Pump assembly in embodiment seven and embodiment one difference lies in：The structure of pump assembly is different.
As shown in Figure 23 to Figure 25, pump assembly further includes the lower flange 12 being located at below piston component and is arranged in cylinder
Lower wearing ring 60 in 20 limits cooperation between the lower face of piston bush 40 and lower wearing ring 60, to prevent piston bush 40 opposite
The displacement of radial direction occurs in lower flange 12.Wherein, the surface of the lower wearing ring of the direction of piston bush 40 60 has limit protrusion
43, limit protrusion 43 stretches into the centre bore of lower wearing ring 60, and limits and coordinate with the inner surface of the centre bore of lower wearing ring 60.
In this way, lower wearing ring 60 is rotatably arranged in cylinder 20, and lower wearing ring 60 limits only the lower end of piston bush 40
Gear.Meanwhile the upper end of piston bush 40 is by 70 limited support of upper wearing ring, so that the upper/lower terminal of piston bush 40 is limited
Position support avoids piston bush 40 from interfering and influence the normal operation of pump assembly with piston 50 or 20 recurring structure of cylinder, is promoted
The operational reliability and working performance of pump assembly.
Specifically, limit protrusion 43 stretches into the centre bore of lower wearing ring 60, the outer surface of limit protrusion 43 and lower anti-attrition
The centre bore hole wall limit stops of ring 60, to realize limit stops of the lower wearing ring 60 to limit protrusion 43.The knot of above structure
Structure is simple, easy to implement.
Embodiment eight
Pump assembly in embodiment eight and embodiment seven difference lies in：The structure of lower wearing ring 60 is different.
As shown in Figure 26 to Figure 29, the surface of the lower wearing ring of the direction of piston bush 40 60 has limit protrusion 43, lower anti-attrition
The surface towards piston bush 40 of ring 60 has the 7th limiting groove 61, limit protrusion 43 stretch into the 7th limiting groove 61 and with
7th limiting groove, 61 limit stops.Specifically, in pump assembly operational process, the limit protrusion 43 of piston bush 40 stretches into down
In 7th limiting groove 61 of wearing ring 60, and the cell wall of the 7th limiting groove 61 and the outer surface limit of limit protrusion 43 stop
Gear prevents the lower end of piston bush 40 relative to lower flange 12 to realize that lower wearing ring 60 and the limit of 40 lower end of piston bush coordinate
The displacement of radial direction occurs.
Optionally, limit protrusion 43 and the 7th limiting groove 61 in a ring, and limit protrusion 43, the 7th limiting groove 61 and
Piston bush 40 is coaxially disposed.Wherein, the centre bore of the 7th limiting groove 61 and lower wearing ring 60 is coaxially disposed.The knot of above structure
Structure is simple, easy to implement, processing.
Embodiment nine
Pump assembly in embodiment nine and embodiment eight difference lies in：The structure of lower wearing ring 60 is different.
As shown in Figure 30 to Figure 33, the surface towards piston bush 40 of lower wearing ring 60 has the 5th extension 62, and the 5th
Extension 62 stretch into piston bush 40 and with the inner surface limit stops of piston bush 40.Specifically, the inner surface tool of piston bush 40
There are step surface 44, the 5th extension 62 to stretch into 44 limit stops of step surface in step surface 44, to realize lower wearing ring 60 to work
The limit of 40 radial direction of plug sleeve.
Optionally, in a ring, and the centre bore of the 5th extension 62 and lower wearing ring 60 is coaxially disposed the 5th extension 62.
It should be noted that the structure of the 5th extension 62 is without being limited thereto.Optionally, the 5th extension 62 is double-layer circular
Structure, outermost layer cyclic structure and the inner surface of step surface 44 carry out limit stops.In this way, above-mentioned setting makes the 5th extension
62 structure more diversity reduces staff's so that the processing of lower wearing ring 60, manufacture are more prone to, simply
Labor intensity.
Embodiment ten
Pump assembly in embodiment ten and embodiment seven difference lies in：The structure of piston bush 40 is different.
As shown in Figure 34 to Figure 37, the surface towards piston bush 40 of lower wearing ring 60 has the 5th extension 62, piston
There is the 6th limiting groove 45, the 5th extension 62 to stretch into the 6th limiting groove 45 and recessed with the 6th limit for the lower face of set 40
45 limit stops of slot.In this way, the 5th extension 62 stretches into the 6th limiting groove 45, so that the structure of pump assembly is more
It is compact.Meanwhile the structure of above structure is simple, it is easy to implement.
Specifically, in pump assembly operational process, the 5th extension 62 of lower wearing ring 60 stretches into the of piston bush 40
In six limiting grooves 45, to realize limit, support of the lower wearing ring 60 to 40 lower end of piston bush.Meanwhile the upper end of piston bush 40
By 70 limit stops of upper wearing ring, and then ensure that the upper and lower end of piston bush 40 is limited support, avoids piston bush 40 and piston
50 or the interference of 20 recurring structure of cylinder and influence the normal operation of pump assembly, promote the operational reliability of pump assembly.
It can be seen from the above description that the above embodiments of the present invention realize following technique effect：
In pump assembly operational process, the upper end of piston bush is limited by upper wearing ring, supports, and then prevents piston bush from existing
Occur movement in the radial direction in operational process, ensure piston bush can normal rotation, solve prior art middle pump body group
The piston bush of part easily occurs eccentric rotary, influences the problem of pump assembly working efficiency, promotes the operational reliability of pump assembly
And working performance.
Obviously, above-mentioned described embodiment only a part of the embodiments of the present invention, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts all
Other embodiment should all belong to the scope of protection of the invention.
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 foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (18)
1. a kind of pump assembly, which is characterized in that including：
Upper flange (11)；
Upper wearing ring (70)；
Cylinder (20), the upper wearing ring (70) are located in the cylinder (20), and the upper flange (11) is located at the cylinder
(20) top；
Piston component, in the cylinder (20), the piston component includes piston bush (40) and is slidably arranged in described for setting
Piston (50) in piston bush (40) limits cooperation between the upper surface and the upper wearing ring (70) of the piston bush (40),
To prevent the piston bush (40) relative to the displacement of the upper flange (11) generation radial direction.
2. pump assembly according to claim 1, which is characterized in that the upper surface of the piston bush (40) has first to prolong
Extending portion (41), first extension (41) are stretched into the centre bore of the upper wearing ring (70), and with the upper wearing ring
(70) the inner surface limit cooperation of centre bore.
3. pump assembly according to claim 1, which is characterized in that the upper wearing ring (70) is towards the piston bush
(40) surface has the 5th limiting groove (71), and the upper surface of the piston bush (40) has the first extension (41), described
First extension (41) stretch into the 5th limiting groove (71) and with the 5th limiting groove (71) limit stops.
4. pump assembly according to claim 1, which is characterized in that the upper wearing ring (70) is towards the piston bush
(40) surface has the 4th extension (72), the 4th extension (72) stretch into the piston bush (40) and with the work
The inner surface limit stops of plug sleeve (40).
5. pump assembly according to claim 1, which is characterized in that the upper wearing ring (70) is towards the piston bush
(40) surface has the 4th extension (72), and the upper surface of the piston bush (40) has the first limiting groove (42), described
4th extension (72) stretch into first limiting groove (42) and with the first limiting groove (42) limit stops.
6. pump assembly according to any one of claim 1 to 5, which is characterized in that the pump assembly further includes position
The upper surface of structural member below the cylinder (20), the structural member has extension (80) and passes through the extension
(80) limit cooperation is carried out with the piston bush (40), to prevent the piston bush (40) from radial direction occurs relative to the structural member
The displacement in direction.
7. pump assembly according to claim 6, which is characterized in that the structural member is lower flange (12).
8. pump assembly according to claim 6, which is characterized in that the structural member includes lower flange (12) and lower limit
Plate (13), between the cylinder (20) and the lower flange (12), the extension (80) sets the lower limiting board (13)
Set the upper surface in the lower limiting board (13) or the lower flange (12).
9. pump assembly according to claim 7 or 8, which is characterized in that the extension (80) stretches into the piston bush
(40) in and with the inner surface limit stops of the piston bush (40).
10. pump assembly according to claim 6, which is characterized in that the lower face of the piston bush (40) has the 6th
Limiting groove (45), the extension (80) stretch into the 6th limiting groove (45) and with the 6th limiting groove (45)
Limit stops.
11. pump assembly according to any one of claim 1 to 5, which is characterized in that the pump assembly further includes position
The lower wearing ring (60) of lower flange (12) and setting in the cylinder (20) below the piston component, the piston bush
(40) it limits and coordinates between lower face and the lower wearing ring (60), to prevent the piston bush (40) relative to the laxative remedy
The displacement of radial direction occurs for blue (12).
12. pump assembly according to claim 11, which is characterized in that the direction lower anti-attrition of the piston bush (40)
There is limit protrusion (43), the limit protrusion (43) to stretch into the centre bore of the lower wearing ring (60) on the surface of ring (60),
And it limits and coordinates with the inner surface of the centre bore of the lower wearing ring (60).
13. pump assembly according to claim 11, which is characterized in that the direction lower anti-attrition of the piston bush (40)
The surface of ring (60) has a limit protrusion (43), and the surface of the direction piston bush (40) of the lower wearing ring (60) has the
Seven limiting grooves (61), the limit protrusion (43) stretch into the 7th limiting groove (61) and with the 7th limiting groove
(61) limit stops.
14. pump assembly according to claim 11, which is characterized in that the direction piston of the lower wearing ring (60)
The surface for covering (40) has the 5th extension (62), the 5th extension (62) stretch into the piston bush (40) and with it is described
The inner surface limit stops of piston bush (40).
15. pump assembly according to claim 11, which is characterized in that the direction piston of the lower wearing ring (60)
There is the 5th extension (62), the lower face of the piston bush (40) to have the 6th limiting groove (45), institute on the surface for covering (40)
State the 5th extension (62) stretch into the 6th limiting groove (45) and with the 6th limiting groove (45) limit stops.
16. pump assembly according to claim 1, which is characterized in that the pump assembly further includes：
Lower flange (12) is located at the lower section of the piston component；
Shaft (30), the shaft (30) are threaded through the upper flange (11), the piston bush (40) and the lower flange successively,
And the shaft (30) is coaxially disposed with the upper flange (11) and the lower flange (12).
17. a kind of fluid machinery, which is characterized in that including the pump assembly described in any one of claim 1 to 16.
18. a kind of heat transmission equipment, which is characterized in that including the fluid machinery described in claim 17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810793001.4A CN108799107B (en) | 2018-07-18 | 2018-07-18 | Pump body assembly, fluid machinery and heat exchange equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810793001.4A CN108799107B (en) | 2018-07-18 | 2018-07-18 | Pump body assembly, fluid machinery and heat exchange equipment |
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| Publication Number | Publication Date |
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| CN108799107A true CN108799107A (en) | 2018-11-13 |
| CN108799107B CN108799107B (en) | 2024-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810793001.4A Active CN108799107B (en) | 2018-07-18 | 2018-07-18 | Pump body assembly, fluid machinery and heat exchange equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020015290A1 (en) * | 2018-07-18 | 2020-01-23 | 珠海格力电器股份有限公司 | Pump assembly, fluid machine, and heat exchange device |
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| JPS59155580A (en) * | 1983-02-25 | 1984-09-04 | Hitachi Ltd | Capacity control type compressor |
| CN105604937A (en) * | 2016-02-18 | 2016-05-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Fluid machine and heat exchange device |
| CN107435634A (en) * | 2017-07-31 | 2017-12-05 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of assembly method of compressor pump and compressor and compressor pump |
| CN208564963U (en) * | 2018-07-18 | 2019-03-01 | 珠海格力电器股份有限公司 | Pump body assembly, fluid machine and heat exchange equipment |
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2018
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| JPS59155580A (en) * | 1983-02-25 | 1984-09-04 | Hitachi Ltd | Capacity control type compressor |
| CN105604937A (en) * | 2016-02-18 | 2016-05-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Fluid machine and heat exchange device |
| CN107435634A (en) * | 2017-07-31 | 2017-12-05 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of assembly method of compressor pump and compressor and compressor pump |
| CN208564963U (en) * | 2018-07-18 | 2019-03-01 | 珠海格力电器股份有限公司 | Pump body assembly, fluid machine and heat exchange equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020015290A1 (en) * | 2018-07-18 | 2020-01-23 | 珠海格力电器股份有限公司 | Pump assembly, fluid machine, and heat exchange device |
| US11208990B2 (en) | 2018-07-18 | 2021-12-28 | Gree Electric Appliances, Inc. Of Zhuhai | Pump body assembly, fluid machinery, and heat exchange device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108799107B (en) | 2024-06-18 |
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