CN108799108A - Pump assembly, fluid machinery and heat transmission equipment - Google Patents
Pump assembly, fluid machinery and heat transmission equipment Download PDFInfo
- Publication number
- CN108799108A CN108799108A CN201810793003.3A CN201810793003A CN108799108A CN 108799108 A CN108799108 A CN 108799108A CN 201810793003 A CN201810793003 A CN 201810793003A CN 108799108 A CN108799108 A CN 108799108A
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- CN
- China
- Prior art keywords
- pump assembly
- piston bush
- limit
- piston
- flange
- 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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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- 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
Abstract
The present invention provides a kind of pump assembly, fluid machinery and heat transmission equipments.Wherein, pump assembly, including：Upper flange；Upper limit plate；Cylinder, upper limit plate is between upper flange and cylinder；Piston component, it is arranged in cylinder, piston component includes piston bush and the piston that is slidably arranged in piston bush, the upper surface of piston bush has the first extension, first extension stretches into the centre bore of upper limit plate and is limited between the lower face of upper flange cooperation, to prevent piston bush relative to the displacement of upper flange generation radial direction.Present invention efficiently solves the piston bush of pump assembly in the prior art, and eccentric rotary easily occurs, influences the problem of pump assembly working efficiency.
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 limit plate；Cylinder, upper limit plate is between upper flange and cylinder；Piston component is arranged in cylinder, and piston component includes
There is the first extension, the first extension to stretch into for the upper surface of piston bush and the piston being slidably arranged in piston bush, piston bush
Cooperation is limited in the centre bore of upper limit plate and between the lower face of upper flange, to prevent piston bush from occurring relative to upper flange
The displacement of radial direction.
Further, there is recess portion, the first extension to stretch in recess portion and with recess portion in piston for the lower face of upper flange
The limit stops in the radial direction of set.
Further, the lower face of upper flange has the limiting section extended towards piston bush, limiting section and the first extension
Limit stops, to prevent piston bush relative to the displacement of upper flange generation radial direction.
Further, pump assembly further includes the lower flange being located at below piston component and the lower anti-attrition being arranged in cylinder
There is limit protrusion, lower wearing ring there is centre bore, limit protrusion to stretch into centre bore on the surface towards lower flange of ring, piston bush
It is interior and with lower flange limit stops, with prevent piston bush relative to lower flange occur radial direction displacement.
Further, lower flange towards the surface of piston bush there is the second limiting groove, limit protrusion to stretch into the second limit
In groove, to prevent piston bush relative to the displacement of lower flange generation radial direction.
Further, the surface towards piston bush of lower flange has the second extension, the second extension and limit protrusion
Limit stops, to prevent piston bush relative to the displacement of lower flange generation radial direction.
Further, the second extending part is in the outside of limit protrusion.
Further, the second extending part is in the inside of limit protrusion.
Further, limit protrusion is the bulge loop extended towards lower flange, and bulge loop is coaxially disposed with piston bush.
Further, limit protrusion is the multiple boss extended towards lower flange, and multiple boss are along the circumferential direction of piston bush
Interval setting.
Further, pump assembly further includes the structural member being located at below cylinder, and the lower face of piston bush has limit convex
It rises, limit protrusion coordinates with structural member limit, to prevent piston bush relative to the displacement of structural member generation radial direction.
Further, it is lower flange to be located at the structural member below cylinder.
Further, there is the second limiting groove, limit protrusion to stretch into the second limit on the surface towards piston bush of lower flange
In the groove of position, to prevent piston bush relative to the displacement of lower flange generation radial direction.
Further, structural member includes lower flange and lower limiting board, and lower limiting board and lower flange are respectively positioned on the lower section of cylinder,
And lower limiting board is between cylinder and lower flange, limit protrusion and lower limiting board limit stops, with prevent piston bush relative to
The displacement of radial direction occurs for lower limiting board.
Further, limit protrusion stretches into the centre bore of lower limiting board, and with the inner surface of the centre bore of lower limiting board
Limit cooperation.
Further, lower limiting board towards the surface of piston bush there is third limiting groove, limit protrusion to stretch into third limit
Position groove in and with third 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, upper limit plate, 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 limit plate, cylinder and piston component.Wherein,
Upper limit plate is between upper flange and cylinder.Piston component is arranged in cylinder, and piston component includes that piston bush and sliding are set
The piston in piston bush is set, there is the first extension, the first extension to stretch into the center of upper limit plate for the upper surface of piston bush
Cooperation is limited in hole and between the lower face of upper flange, to prevent piston bush relative to the position of upper flange generation radial direction
It moves.In this way, in pump assembly operational process, the first extension of piston bush stretch into the centre bore of upper limit plate and with upper method
Blue lower face limit cooperation, upper flange plays the role of limit, support to piston bush, and then prevents piston bush in operational process
Middle generation movement in the radial direction, ensure piston bush can normal rotation, solve the piston of pump assembly in the prior art
Set easily occurs eccentric rotary, influences the problem of pump assembly working efficiency, improves operational reliability and the work of pump assembly
Performance.
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 upward view of the upper flange of the pump assembly in Fig. 1；
Fig. 4 shows the sectional view of the piston bush of the pump assembly in Fig. 1；
Fig. 5 shows the decomposition texture schematic diagram of the embodiment two of pump assembly according to the present invention；
Fig. 6 shows the sectional view of the pump assembly in Fig. 5；
Fig. 7 shows the dimensional structure diagram of the upper flange of the pump assembly in Fig. 5；
Fig. 8 shows the dimensional structure diagram of the piston bush of the pump assembly in Fig. 5；
Fig. 9 shows the decomposition texture schematic diagram of the embodiment three of pump assembly according to the present invention；
Figure 10 shows the sectional view of the pump assembly in Fig. 9；
Figure 11 shows the upward view of the upper flange of the pump assembly in Fig. 9；
Figure 12 shows the vertical view of the lower flange of the pump assembly in Fig. 9；
Figure 13 shows the decomposition texture schematic diagram of the example IV of pump assembly according to the present invention；
Figure 14 shows the sectional view of the pump assembly in Figure 13；
Figure 15 shows the dimensional structure diagram of the upper flange of the pump assembly in Figure 13；
Figure 16 shows the vertical view of the lower flange of the pump assembly in Figure 13；
Figure 17 shows the sectional views of the lower flange in Figure 16；
Figure 18 shows the decomposition texture schematic diagram of the embodiment five of pump assembly according to the present invention；
Figure 19 shows the sectional view of the pump assembly in Figure 18；
Figure 20 shows the dimensional structure diagram of the upper flange of the pump assembly in Figure 18；
Figure 21 shows the decomposition texture schematic diagram of the embodiment six of pump assembly according to the present invention；
Figure 22 shows the sectional view of the pump assembly in Figure 21；
Figure 23 shows the dimensional structure diagram of the upper flange of the pump assembly in Figure 21；
Figure 24 shows the sectional view of the piston bush of the pump assembly in Figure 21；
Figure 25 shows the decomposition texture schematic diagram of the embodiment seven of pump assembly according to the present invention；
Figure 26 shows the sectional view of the pump assembly in Figure 25；
Figure 27 shows the upper flange dimensional structure diagram of the pump assembly in Figure 25；
Figure 28 shows the vertical view of the lower limiting board of the pump assembly in Figure 25；
Figure 29 shows the sectional view of the lower limiting board in Figure 28；And
Figure 30 shows the sectional view of the piston bush of the pump assembly in Figure 25.
Wherein, above-mentioned attached drawing includes the following drawings label：
11, upper flange；111, recess portion；112, limiting section；12, lower flange；121, the second limiting groove；122, second extends
Portion；13, lower limiting board；131, third limiting groove；14, upper limit plate；20, cylinder；30, shaft；40, piston bush；41, first
Extension；43, limit protrusion；50, piston；60, lower wearing ring.
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 depicted in figs. 1 and 2, pump assembly includes upper flange 11, upper limit plate 14, cylinder 20 and piston component.Wherein,
Upper limit plate 14 is between upper flange 11 and cylinder 20.Piston component is arranged in cylinder 20, and piston component includes piston bush
40 and the piston 50 that is slidably arranged in piston bush 40, the upper surface of piston bush 40 there is the first extension 41, the first extension
41 stretch into the centre bore of upper limit plate 14 and are limited between the lower face of upper flange 11 cooperation, to prevent piston bush 40 opposite
The displacement of radial direction occurs in upper flange 11.
Using the technical solution of the present embodiment, in pump assembly operational process, the first extension 41 of piston bush 40 is stretched
Enter in the centre bore of upper limit plate 14 and limit with the lower face of upper flange 11 to coordinate, upper flange 11 plays limit to piston bush 40
Position, support effect, and then prevent piston bush 40 from movement in the radial direction occurring in the process of running, ensure 40 energy of piston bush
Enough normal rotations, the piston bush for solving pump assembly in the prior art easily occur eccentric rotary, influence pump assembly work effect
The problem of rate, improves the operational reliability and working performance of pump assembly.
As shown in Fig. 1, Fig. 3 and Fig. 4, there is recess portion 111, the first extension 41 to stretch to recess portion for the lower face of upper flange 11
In 111 and with recess portion 111 piston bush 40 limit stops in the radial direction.Specifically, upper flange 11 and upper limit plate 14 are solid
First extension 41 of fixed connection, piston bush 40 is stretched into the centre bore of upper limit plate 14 and is limited with the recess portion of upper flange 11 111
Position backstop realizes that upper flange 11 limits the radial direction of piston bush 40.In pump assembly operational process, recess portion 111 prolongs with first
41 limit stops of extending portion ensure that the first extension 41 is rotated in recess portion 111, without the first extension 41 occurs in diameter
Displacement on direction prevents piston bush 40 from occurring partially to realize limit, support of the upper flange 11 to the upper end of piston bush 40
The heart, tilt rotation ensure pump assembly normal operation, promote the functional reliability of pump assembly.
In the present embodiment, the first extension 41 and recess portion 111 in a ring, and the first extension 41, recess portion 111 and piston
40 coaxial arrangement of set.In this way, piston bush 40 and 11 eccentric setting of upper flange, and the eccentric amount e that eccentricity is pump assembly.This
Sample, above-mentioned setting enable the first extension 41 of piston bush 40 interior in piston bush 40 in the recess portion 111 of upper flange 11
Mandrel line (or central axis of recess portion 111) rotates, and ensures upper flange 11 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, at least one layer of cyclic structure and the inside cell wall or outside cell wall of recess portion 111 carry out limit stops.In this way, above-mentioned setting
So that the structure more diversity of the first extension 41 drops so that the processing of piston bush 40, manufacture are more prone to, simply
The labor intensity of low staff.
In the other embodiment being not shown in the accompanying drawings, the first extension is multiple boss structures, and multiple boss edges
Piston bush is provided at circumferentially spaced.
In the present embodiment, recess portion 111 is groove.The structure of above structure is simple, is easily worked, realizes.
In the present embodiment, the groove width of groove is more than the thickness of the first extension 41.In this way, above-mentioned setting ensures that first prolongs
Extending portion 41 is located in groove, and then ensures that groove can carry out limit stops to the first extension 41, promotes upper flange 11 to work
The limit reliability of plug sleeve 40, promotes the operational reliability of pump assembly.
In the present embodiment, the surface of the inside cell wall of groove and the first extension 41 close to the center side of piston bush 40
Between have the first preset distance, and the first preset distance be more than or equal to 5um and be less than or equal to 40um.Specifically, groove is interior
The first extension of side channel wall pair 41 carries out limit stops close to the surface of the center side of piston bush 40, prevents from occurring therebetween
Radial displacement.Meanwhile in order to ensure piston bush 40 can normal rotation, it is close in the inside cell wall of groove and the first extension 41
There is the first preset distance between the surface of the center side of piston bush 40, both ensured that groove can carry out the first extension 41
Radial limit, also enables the first extension 41 to be rotated relative to groove, and then promotes the operational reliability of pump assembly.
In the present embodiment, recess portion 111 and 11 eccentric setting of upper flange, and eccentricity is e.In this way, through the above way
Determining the eccentricity of pump assembly so that the eccentricity of pump assembly is more prone to ensure, the determination of eccentric amount e is relatively reliable,
Simply.
As depicted in figs. 1 and 2, pump assembly further includes lower flange 12 and shaft 30.Wherein, lower flange 12 is located at piston group
The lower section of part.Shaft 30 is threaded through upper flange 11, upper limit plate 14, piston bush 40 and lower flange 12 successively, and shaft 30 with it is upper
Flange 11 and lower flange 12 are coaxially disposed.In pump assembly operational process, shaft 30 is rotated around the central axis of upper flange 11,
Piston bush 40 is rotated around the central axis of recess portion 111, and piston 50 only moves back and forth relative to piston bush 40, and piston 50 is relative to turning
Axis 30 moves back and forth, and two reciprocating motions are mutually perpendicular to, i.e. the operation of pump assembly follows cross slides principle.With work
Plug 50 and piston bush 40 between reciprocating motion, the head cambered surface of piston 50, 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.
In the present embodiment, lower flange 12 towards the surface of piston bush 40 there is eccentric boss, eccentric boss can extend into
To piston bush 40, to carry out limit stops in the radial direction to piston bush 40, prevent the lower end of piston bush 40 relative to gas
Cylinder 20 and shaft 30 occur the displacement of radial direction and influence the operational reliability of pump assembly.
It should be noted that the structure of lower flange 12 is without being limited thereto.In the other embodiment being not shown in the accompanying drawings, under
Flange is plane towards the surface of piston bush, and the lower face of the plane and piston bush has preset distance.
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 flange 11 and lower flange 12 is not
Together.
As shown in Fig. 5 to Fig. 8, the lower face of upper flange 11 has the limiting section 112 extended towards piston bush 40, limiting section
112 and 41 limit stops of the first extension, to prevent piston bush 40 from the displacement of radial direction occurs relative to upper flange 11.It is pumping
Both during body assembly operating, the side of the first extension 41 can carry out limit cooperation with the side of limiting section 112, prevent
Between radial displacement occurs, and then prevent piston bush 40 relative to upper flange 11 occur radial direction displacement, ensure piston bush
40 stable operation promotes the operational reliability and working efficiency of pump assembly.
As shown in fig. 6, limiting section 112 is located at the inside of the first extension 41.Specifically, the lateral surface pair of limiting section 112
First extension 41 carries out limit stops close to the surface of the center side of piston bush 40, prevents that radial move occurs therebetween
Position.
Optionally, the lateral surface of limiting section 112 and the first extension 41 close to the surface of the center side of piston bush 40 it
Between have the second preset distance, and the second preset distance be more than or equal to 5um and be less than or equal to 40um.In this way, above-mentioned numberical range
Both ensured that limiting section 112 can carry out radial limit to the first extension 41, and also enable the first extension 41 relative to limit
Position portion 112 rotates, and then promotes the operational reliability of pump assembly.
In the other embodiment being not shown in the accompanying drawings, limiting section is located at the outside of the first extension.Specifically, first
The medial surface of extension carries out limit stops to the surface of center side of the limiting section far from piston bush, prevents from occurring therebetween
Radial displacement.
Optionally, limiting section 112 is cyclic structure.
Optionally, the eccentric setting on upper flange 11 of limiting section 112, and eccentricity is e.
It should be noted that the structure of limiting section 112 is without being limited thereto.Optionally, limiting section 112 is by multiple arc section shapes
At, and multiple arc sections surround the circle formed eccentric setting, eccentricity e on upper flange 11.
In the present embodiment, lower flange 12 towards the surface of piston bush 40 be plane.
Embodiment three
Pump assembly in embodiment three and embodiment two difference lies in：The structure of lower flange 12 is different.
As shown in Fig. 9 to Figure 12, pump assembly further includes the lower flange 12 being located at below piston component, 12 direction of lower flange
The surface of piston bush 40 has the second limiting groove 121, and limit protrusion 43 stretches into the second limiting groove 121, to prevent piston
The displacement of radial direction occurs relative to lower flange 12 for set 40.In this way, lower flange 12 and the limit protrusion 43 of piston bush 40 limit
Cooperation, to carry out the limit of radial direction to piston bush 40.Meanwhile the upper end of piston bush 40 is by 11 limited support of upper flange, into
And so that the upper/lower terminal of piston bush 40 is limited support, avoid piston bush 40 and piston 50 or 20 recurring structure of cylinder dry
The normal operation of pump assembly is related to and influenced, the operational reliability and working performance of pump assembly are promoted.
Specifically, the second limiting groove 121 eccentric setting on lower flange 12, limit protrusion 43 stretch into the second limiting groove
In 121, limit protrusion 43 can with the inner or outer side cell wall limit stops of the second limiting groove 121, to realize lower flange 12
To the limit stops of piston bush 40.
Optionally, the second limiting groove 121 is annular groove.The structure of above structure is simple, easy to implement.
Example IV
Pump assembly in example IV and embodiment three difference lies in：The structure of pump assembly is different.
As shown in Figure 13 to Figure 17, pump assembly further includes the lower flange 12 being located at below piston component and is arranged in cylinder
The surface towards lower flange 12 of lower wearing ring 60 in 20, piston bush 40 has limit protrusion 43, during lower wearing ring 60 has
Heart hole, limit protrusion 43 stretch into centre bore and with 12 limit stops of lower flange, to prevent piston bush 40 relative to lower flange 12
The displacement of radial direction occurs.In this way, limit protrusion 43 stretches into the centre bore of lower wearing ring 60 and matches with the limit of lower flange 12
It closes, then lower flange 12 can carry out piston bush 40 limit of radial direction, to carry out limit stops to the lower end of piston bush 40.
Meanwhile the upper end of piston bush 40 is by 11 limited support of upper flange, so that the upper/lower terminal of piston bush 40 is limited branch
Support avoids piston bush 40 from interfering and influence the normal operation of pump assembly with piston 50 or 20 recurring structure of cylinder, promotes the pump housing
The operational reliability and working performance of component.
Specifically, the inner headed face of the outer surface of lower wearing ring 60 and cylinder 20 coordinates, the inner surface of lower wearing ring 60 with
The limit protrusion 43 of piston bush 40 coordinates, then wearing ring 60 is descended to be rotated relative to cylinder 20 and limit protrusion 43, and under subtract
Bull ring 60 relative to cylinder 20 rotating speed and lower wearing ring 60 relative to limit protrusion 43 rotating speed be less than shaft 30 rotating speed, by
In the square directly proportional of the secondary power consumption of friction and rotating speed, the power consumption of pump assembly is thereby reduced.
As shown in Figure 16 and Figure 17, lower flange 12 has the second limiting groove 121, limit convex towards the surface of piston bush 40
It plays 43 to stretch into the second limiting groove 121, to prevent piston bush 40 relative to the displacement of the generation radial direction of lower flange 12.Specifically
Ground, limit protrusion 43 stretch into the centre bore of lower wearing ring 60 and with 121 limit stops of the second limiting groove on lower flange 12,
To carry out the limit of radial direction to piston bush 40, it is further ensured that the lower end of piston bush 40 will not occur relative to lower flange 12
The displacement of radial direction promotes the operational reliability of pump assembly.
Embodiment five
Pump assembly and example IV in embodiment five difference lies in：The structure of lower flange 12 is different.
As shown in Figure 18 and Figure 20, the surface towards piston bush 40 of lower flange 12 has the second extension 122, and second prolongs
Extending portion 122 and 43 limit stops of limit protrusion, to prevent piston bush 40 relative to the displacement of the generation radial direction of lower flange 12.Tool
Body, limit protrusion 43 stretch into the centre bore of lower wearing ring 60 and with 122 limit stops of the second extension on lower flange 12,
To carry out the limit of radial direction to piston bush 40, it is further ensured that the lower end of piston bush 40 will not occur relative to lower flange 12
The displacement of radial direction promotes the operational reliability of pump assembly.
As shown in figure 19, the second extension 122 is located at the outside of limit protrusion 43.Specifically, the second extension 122 is interior
Side carries out limit stops to the surface of center side of the limit protrusion 43 far from piston bush 40, prevents from occurring therebetween radial
Displacement.
Optionally, the second extension 122 is eccentric boss, and the eccentricity between eccentric boss and lower flange 12 is e.
Optionally, limit protrusion 43 is the bulge loop extended towards lower flange 12, and bulge loop is coaxially disposed with piston bush 40.On
The structure for stating structure is simple, easy to implement.
It should be noted that the structure of limit protrusion 43 is without being limited thereto.Optionally, limit protrusion 43 is towards lower flange 12
The multiple boss extended, and multiple boss being provided at circumferentially spaced along piston bush 40.
Embodiment six
Pump assembly in embodiment six and embodiment three difference lies in：The structure of pump assembly is different.
As shown in FIG. 21 to 24, pump assembly further includes the structural member for being located at 20 lower section of cylinder, the lower end of piston bush 40
There is limit protrusion 43, limit protrusion 43 to coordinate with structural member limit in face, to prevent piston bush 40 from diameter occurs relative to structural member
Displacement to direction.Wherein, structural member includes lower flange 12 and lower limiting board 13, and lower limiting board 13 and lower flange 12 are respectively positioned on gas
The lower section of cylinder 20, and lower limiting board 13, between cylinder 20 and lower flange 12, limit protrusion 43 stops with the limit of lower limiting board 13
Gear, to prevent piston bush 40 relative to the displacement of the generation radial direction of lower limiting board 13, side and the upper method of the first extension 41
The side limit cooperation of the limiting section 112 of orchid 11, and then prevent piston bush 40 relative to the position of the generation radial direction of upper flange 11
It moves, ensures the stable operation of piston bush 40, promote the operational reliability and working efficiency of pump assembly.In this way, above-mentioned setting makes
The upper and lower end of piston bush 40 is obtained respectively by 13 limit stops of upper limit plate 14 and lower limiting board, ensures the upper and lower end of piston bush 40
The displacement of radial direction will not occur relative to upper and lower flange, and then ensure that piston bush 40 smoothly rotates in cylinder 20, carry
Rise the operational reliability of pump assembly.
As shown in figure 22, limit protrusion 43 stretches into the centre bore of lower limiting board 13, and with the centre bore of lower limiting board 13
Inner surface limit cooperation.Specifically, lower limiting board 13 is fixedly connected with lower flange 12, the outer surface of limit protrusion 43 and lower limit
The inner surface limit stops of the centre bore of position plate 13 realize that lower limiting board 13 stops the limit of limit protrusion 43 (piston bush 40)
Gear avoids piston bush 40 that the displacement of radial direction occurs relative to lower limiting board 13 or lower flange 12, and then promotes pump assembly
Operational reliability.
Embodiment seven
Pump assembly in embodiment seven and embodiment six difference lies in：The structure of lower limiting board 13 is different
As shown in Figure 25 to Figure 30, lower limiting board 13 has third limiting groove 131, limit towards the surface of piston bush 40
Protrusion 43 stretch into third limiting groove 131 and with 131 limit stops of third limiting groove.Specifically, limit protrusion 43 and
The cell wall limit cooperation of three limiting grooves 131, to realize limit of the lower limiting board 13 to the radial direction of piston bush 40 so that living
The operation of plug sleeve 40 is more steady, promotes 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 first extension of piston bush stretch into the centre bore of upper limit plate and with upper method
Blue lower face limit cooperation, upper flange plays the role of limit, support to piston bush, and then prevents piston bush in operational process
Middle generation movement in the radial direction, ensure piston bush can normal rotation, solve the piston of pump assembly in the prior art
Set easily occurs eccentric rotary, influences the problem of pump assembly working efficiency, improves operational reliability and the work of pump assembly
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 (19)
1. a kind of pump assembly, which is characterized in that including：
Upper flange (11)；
Upper limit plate (14)；
Cylinder (20), the upper limit plate (14) is between the upper flange (11) and the cylinder (20)；
Piston component, in the cylinder (20), the piston component includes piston bush (40) and is slidably arranged in described for setting
The upper surface of piston (50) in piston bush (40), the piston bush (40) has the first extension (41), and described first extends
Portion (41) stretches into the centre bore of the upper limit plate (14) and limits cooperation between the lower face of the upper flange (11), with
Prevent the piston bush (40) from the displacement of radial direction occurring relative to the upper flange (11).
2. pump assembly according to claim 1, which is characterized in that the lower face of the upper flange (11) has recess portion
(111), first extension (41) stretches in the recess portion (111) and with the recess portion (111) in the piston bush
(40) limit stops in the radial direction.
3. pump assembly according to claim 1, which is characterized in that the lower face of the upper flange (11) has towards institute
The limiting section (112) of piston bush (40) extension, the limiting section (112) and the first extension (41) limit stops are stated, with
Prevent the piston bush (40) from the displacement of radial direction occurring relative to the upper flange (11).
4. pump assembly according to any one of claim 1 to 3, 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) there is limit protrusion (43), the lower wearing ring (60) to have centre bore, institute on the surface of the direction lower flange (12)
State limit protrusion (43) stretch into the centre bore and with the lower flange (12) limit stops, to prevent the piston bush (40)
The displacement of radial direction occurs relative to the lower flange (12).
5. pump assembly according to claim 4, which is characterized in that the lower flange (12) is towards the piston bush (40)
Surface there is the second limiting groove (121), the limit protrusion (43) to stretch into second limiting groove (121), to prevent
Only the displacement of radial direction occurs relative to the lower flange (12) for the piston bush (40).
6. pump assembly according to claim 4, which is characterized in that the direction piston bush of the lower flange (12)
(40) surface has the second extension (122), second extension (122) and the limit protrusion (43) limit stops,
To prevent the piston bush (40) relative to the displacement of the lower flange (12) generation radial direction.
7. pump assembly according to claim 6, which is characterized in that second extension (122) is located at the limit
The outside of raised (43).
8. pump assembly according to claim 6, which is characterized in that second extension (122) is located at the limit
The inside of raised (43).
9. pump assembly according to claim 4, which is characterized in that the limit protrusion (43) is towards the lower flange
(12) bulge loop extended, and the bulge loop is coaxially disposed with the piston bush (40).
10. pump assembly according to claim 4, which is characterized in that the limit protrusion (43) is towards the laxative remedy
Multiple boss that blue (12) extend, and the multiple boss being provided at circumferentially spaced along the piston bush (40).
11. pump assembly according to any one of claim 1 to 3, which is characterized in that the pump assembly further includes position
The lower face of structural member below the cylinder (20), the piston bush (40) has limit protrusion (43), the limit convex
It plays (43) with structural member limit to coordinate, to prevent the piston bush (40) from radial direction occurs relative to the structural member
Displacement.
12. pump assembly according to claim 11, which is characterized in that the structure being located at below the cylinder (20)
Part is lower flange (12).
13. pump assembly according to claim 12, which is characterized in that the direction piston bush of the lower flange (12)
(40) there is the second limiting groove (121), the limit protrusion (43) to stretch into second limiting groove (121) on surface,
To prevent the piston bush (40) relative to the displacement of the lower flange (12) generation radial direction.
14. pump assembly according to claim 11, which is characterized in that the structural member includes lower flange (12) and lower limit
Position plate (13), the lower limiting board (13) and the lower flange (12) are respectively positioned on the lower section of the cylinder (20), and the lower limit
Position plate (13) is between the cylinder (20) and the lower flange (12), the limit protrusion (43) and the lower limiting board
(13) limit stops, to prevent the piston bush (40) relative to the displacement of the lower limiting board (13) generation radial direction.
15. pump assembly according to claim 14, which is characterized in that the limit protrusion (43) stretches into the lower limit
In the centre bore of plate (13), and limits and coordinate with the inner surface of the centre bore of the lower limiting board (13).
16. pump assembly according to claim 14, which is characterized in that the lower limiting board (13) is towards the piston bush
(40) surface has a third limiting groove (131), the limit protrusion (43) stretch into the third limiting groove (131) and
With third limiting groove (131) limit stops.
17. 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 upper limit plate (14), the piston bush successively
(40) and the lower flange (12), and the shaft (30) is coaxially disposed with the upper flange (11) and the lower flange (12).
18. a kind of fluid machinery, which is characterized in that including the pump assembly described in any one of claim 1 to 17.
19. a kind of heat transmission equipment, which is characterized in that including the fluid machinery described in claim 18.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810793003.3A CN108799108A (en) | 2018-07-18 | 2018-07-18 | Pump assembly, fluid machinery and heat transmission equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810793003.3A CN108799108A (en) | 2018-07-18 | 2018-07-18 | Pump assembly, fluid machinery and heat transmission equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108799108A true CN108799108A (en) | 2018-11-13 |
Family
ID=64077094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810793003.3A Pending CN108799108A (en) | 2018-07-18 | 2018-07-18 | Pump assembly, fluid machinery and heat transmission equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108799108A (en) |
Cited By (3)
| 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 |
| CN111140504A (en) * | 2019-11-22 | 2020-05-12 | 珠海格力电器股份有限公司 | Pump body assembly, fluid machine and heat exchange equipment |
| WO2022142338A1 (en) * | 2020-12-29 | 2022-07-07 | 珠海格力电器股份有限公司 | Pump body assembly and fluid machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1113647A (en) * | 1997-06-27 | 1999-01-19 | Kayseven Co Ltd | Pump |
| CN204877939U (en) * | 2015-08-07 | 2015-12-16 | 珠海格力节能环保制冷技术研究中心有限公司 | Fluid machinery and indirect heating equipment |
| 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 |
| CN208595058U (en) * | 2018-07-18 | 2019-03-12 | 珠海格力电器股份有限公司 | Pump assembly, fluid machinery and heat exchange equipment |
-
2018
- 2018-07-18 CN CN201810793003.3A patent/CN108799108A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1113647A (en) * | 1997-06-27 | 1999-01-19 | Kayseven Co Ltd | Pump |
| CN204877939U (en) * | 2015-08-07 | 2015-12-16 | 珠海格力节能环保制冷技术研究中心有限公司 | Fluid machinery and indirect heating equipment |
| 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 |
| CN208595058U (en) * | 2018-07-18 | 2019-03-12 | 珠海格力电器股份有限公司 | Pump assembly, fluid machinery and heat exchange equipment |
Cited By (4)
| 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 |
| US11208990B2 (en) | 2018-07-18 | 2021-12-28 | Gree Electric Appliances, Inc. Of Zhuhai | Pump body assembly, fluid machinery, and heat exchange device |
| CN111140504A (en) * | 2019-11-22 | 2020-05-12 | 珠海格力电器股份有限公司 | Pump body assembly, fluid machine and heat exchange equipment |
| WO2022142338A1 (en) * | 2020-12-29 | 2022-07-07 | 珠海格力电器股份有限公司 | Pump body assembly and fluid machine |
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