CN108980041A - Pump assembly, fluid machinery and heat exchange equipment - Google Patents
Pump assembly, fluid machinery and heat exchange equipment Download PDFInfo
- Publication number
- CN108980041A CN108980041A CN201810792966.1A CN201810792966A CN108980041A CN 108980041 A CN108980041 A CN 108980041A CN 201810792966 A CN201810792966 A CN 201810792966A CN 108980041 A CN108980041 A CN 108980041A
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- China
- Prior art keywords
- roller
- pump assembly
- cylinder
- limit plate
- slip hole
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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
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
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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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
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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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The present invention provides a kind of pump assembly, fluid machinery and heat exchange equipments.Wherein, pump assembly includes: cylinder；Roller, roller are rotatably arranged in cylinder, roller have axially through the first slip hole, the upper surface of roller has the upper sliding protrusion stretched out upward, and the lower end surface of roller has the lower sliding protrusion stretched out downward；Two limit plates, two limit plates are located at the two sides up and down of roller, each limit plate all has the second slip hole, upper sliding protrusion correspondence is slidably arranged in the second slip hole of upside, lower sliding protrusion correspondence is slidably arranged in the second slip hole of downside, and limit plate is with cylinder eccentric setting and eccentric distance e is fixed；Shaft, the bottom end of shaft sequentially pass through the second slip hole positioned at upside, the first slip hole and the second slip hole positioned at downside.The present invention solves the problems, such as compressor pump poor reliability in the prior art.
Description
Technical field
The present invention relates to pump housing technical fields, in particular to a kind of pump assembly, fluid machinery and heat exchange equipment.
Background technique
In compressor pump in the prior art, roller is by lower endplate and limit plate limited support, during the work time,
The main stress of roller is located at the support portion of its limit plate, and local stress is larger, will lead to the inclination of roller, increase roller with it is upper
The abrasion of flange and partition.The inclination of roller can also be such that main shaft generates compared with large deflection, and motor is caused to sweep thorax phenomenon.
It follows that there is poor reliability in compressor pump component in the prior art.
Summary of the invention
The main purpose of the present invention is to provide a kind of pump assembly, fluid machinery and heat exchange equipments, to solve existing skill
The problem of compressor pump poor reliability in art.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of pump assembly, comprising: cylinder；Rolling
Son, roller are rotatably arranged in cylinder, roller have axially through the first slip hole, the upper surface of roller has upward
The upper sliding protrusion stretched out, the lower end surface of roller have the lower sliding protrusion stretched out downward；Two limit plates, two limit plates point
Not Wei Yu roller two sides up and down, each limit plate all has the second slip hole, and upper sliding protrusion correspondence is slidably arranged in positioned at upper
In second slip hole of side, lower sliding protrusion correspondence is slidably arranged in the second slip hole of downside, limit plate and cylinder
Eccentric setting and eccentric distance e is fixed；Shaft, the bottom end of shaft sequentially pass through the second slip hole positioned at upside, the first sliding
Hole and the second slip hole positioned at downside, shaft is with cylinder eccentric setting and eccentric distance e is fixed, and shaft is set with limit plate bias
It sets and eccentric distance 2e is fixed, and limit plate can be rotatably set, the first sliding side that shaft is slided relative to the first slip hole
There is sliding angle between the second glide direction slided to shaft relative to the second slip hole.
Further, the first glide direction is perpendicular to the second glide direction.
Further, pump assembly further includes two structural members, and cylinder is clamped between two structural members, shaft at least by
One structural member stretches out from inside to outside, and limit plate is between structural member and cylinder.
Further, two structural members are respectively upper flange and lower flange.
Further, towards limit installation slot is provided on the end face of limit plate, limit plate can for upper flange and/or lower flange
It is rotatably arranged at and is mounted in slot.
Further, pump assembly further includes at least one partition, and partition is arranged between structural member and cylinder, and structure
Part and/or partition have the installation space for accommodating limit plate.
Further, partition is two and is located at the two sides up and down of cylinder, and partition be located at structural member and cylinder it
Between, partition has relief hole, and limit plate is rotatably arranged in relief hole.
Further, limit plate is cylindrical plate, and relief hole is circular hole.
Further, the second slip hole of two limit plates is long hole and extends in the same direction.
Further, upper sliding protrusion and lower sliding protrusion respectively include the first lug boss and the second lug boss, and first
The projection of lug boss and the second lug boss on the end face of roller is strip and parallel to each other；And it is located at up and down the two of roller
The extending direction of two the first lug bosses of side is identical.
Further, there are two cunnings being oppositely arranged positioned at first lug boss of the same side of roller and the second lug boss
Mating surface is moved, two sliding mating surfaces and the cell wall of the second slip hole are slidably matched.
Further, the height of upper sliding protrusion and lower sliding protrusion is more than or equal to 3 millimeters and is less than or equal to 10 millimeters.
Further, the altitude range of upper sliding protrusion and/or lower sliding protrusion is the 1/8 to 1/5 of roller axial height.
According to another aspect of the present invention, a kind of fluid machinery is provided, including above-mentioned pump assembly.
According to another aspect of the present invention, a kind of heat exchange equipment is provided, including above-mentioned fluid machinery.
It applies the technical scheme of the present invention, pump assembly includes cylinder, roller, limit plate, shaft, and roller is rotationally set
Set in cylinder, roller have axially through the first slip hole, the upper surface of roller has the upper sliding protrusion stretched out upward,
The lower end surface of roller has the lower sliding protrusion stretched out downward；Limit plate is two, and two limit plates are located at the upper of roller
Lower two sides, each limit plate all have the second slip hole, upper corresponding the second slip hole being slidably arranged in positioned at upside of sliding protrusion
Interior, lower sliding protrusion correspondence is slidably arranged in the second slip hole of downside, limit plate and cylinder eccentric setting and bias
Distance e is fixed；Shaft, the bottom end of shaft sequentially pass through the second slip hole positioned at upside, the first slip hole and positioned at downsides
Second slip hole, shaft is with cylinder eccentric setting and eccentric distance e is fixed, shaft and limit plate eccentric setting and eccentric distance 2e
It is fixed, and limit plate can be rotatably set, the first glide direction and shaft that shaft is slided relative to the first slip hole relative to
There is sliding angle between second glide direction of the second slip hole sliding.Due to the two sides up and down in roller be respectively set it is limited
Position plate, thus in the rotation process of roller, the limit plates of upper and lower two sides can to roller collective effect so that roller keep by
Dynamic balance efficiently avoids roller because of the excessive run-off the straight of stress suffered by part, roller is caused to cause with other structures friction
Damage, or shaft is generated compared with large deflection, cause motor to sweep thorax phenomenon, is conducive to improve the reliable of pump assembly
Property.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the decomposition texture schematic diagram of an alternative embodiment of pump assembly according to the present invention；
Fig. 2 shows the cross-sectional views of the pump assembly in Fig. 1；
Fig. 3 shows the assembling process schematic diagram of the pump assembly in Fig. 1；
Fig. 4 shows the structural schematic diagram of the roller in Fig. 1；
Fig. 5 shows the top view of the roller in Fig. 4；
Fig. 6 shows the cross-sectional view of the roller of Fig. 4；
Fig. 7 shows the structural schematic diagram of the limit plate in Fig. 1；
Fig. 8 shows the structural schematic diagram of the partition in Fig. 1；And
Fig. 9 shows the structural schematic diagram of the upper flange of another alternative embodiment of pump assembly according to the present invention.
Wherein, the above drawings include the following reference numerals:
10, upper flange；11, slot is mounted；20, lower flange；30, cylinder；40, roller；41, the first slip hole；42, on
Sliding protrusion；421, mating surface is slid；422, the first lug boss；423, the second lug boss；43, lower sliding protrusion；50, it limits
Plate；51, the second slip hole；60, shaft；70, slide plate；71, sliding blade spring；80, exhaust valve component；90, partition；91, relief hole；
101, the first fastener；102, the second fastener.
Specific embodiment
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 such as " upper and lower, top, bottom " is usually needle
For direction shown in the drawings, or for component itself is on vertical, vertical or gravity direction；Equally
Ground for ease of understanding and describes, and " 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
For limiting the present invention.
In order to solve the problems, such as compressor pump poor reliability in the prior art, the present invention provides a kind of pump housing groups
Part, fluid machinery and heat exchange equipment.Wherein, fluid machinery has following pump assemblies.
Embodiment one
As shown in Figure 1 to Figure 3, pump assembly includes cylinder 30, roller 40, limit plate 50, shaft 60, and roller 40 can be rotated
Ground is arranged in cylinder 30, roller 40 have axially through the first slip hole 41, the upper surface of roller 40 has to be stretched out upward
Upper sliding protrusion 42, the lower end surface of roller 40 has the lower sliding protrusion 43 stretched out downward；Limit plate 50 is two, two limits
Position plate 50 is located at the two sides up and down of roller 40, and each limit plate 50 all has the second slip hole 51, and upper sliding protrusion 42 is corresponding
It is slidably arranged in the second slip hole 51 of upside, corresponding be slidably arranged in of lower sliding protrusion 43 is slided positioned at the second of downside
It moves in hole 51, limit plate 50 is with 30 eccentric setting of cylinder and eccentric distance e is fixed；The bottom end of shaft 60, shaft 60 sequentially passes through
Positioned at the second slip hole 51 of upside, the first slip hole 41 and positioned at the second slip hole 51 of downside, shaft 60 and cylinder 30 are inclined
The heart is arranged and eccentric distance e is fixed, and shaft 60 is with 50 eccentric setting of limit plate and eccentric distance 2e is fixed, and limit plate 50 can turn
It is arranged dynamicly, the first glide direction and shaft 60 that shaft 60 is slided relative to the first slip hole 41 are relative to the second slip hole 51
There is sliding angle between second glide direction of sliding.
Since the two sides up and down in roller 40 are respectively arranged with limit plate 50, thus in the rotation process of roller 40, on
The limit plate 50 of lower two sides, so that roller 40 keeps stress balance, can efficiently avoid roller to 40 collective effect of roller
40, because of the excessive run-off the straight of stress suffered by part, cause roller 40 to damage with other structures friction, or make shaft 60
It generates compared with large deflection, motor is caused to sweep thorax phenomenon, be conducive to the reliability for improving pump assembly.
In the present embodiment, limit plate 50 and 30 eccentric setting of cylinder and eccentric distance are e, and shaft 60 is set with 30 bias of cylinder
It sets and eccentric distance is e, meanwhile, shaft 60 and 50 eccentric setting of limit plate and eccentric distance are 2e.It was run in pump assembly
Cheng Zhong, shaft 60 drive roller 40 to move by the first slip hole 41, then roller 40 is relative to shaft 60 in the first glide direction
On move reciprocatingly.Meanwhile the upper sliding protrusion 42 of roller 40 close lower sliding protrusion 43 respectively with the limit that is located at upper and lower two sides
Second slip hole 51 of plate 50 is slidably matched, and roller 40 drives two limit plates 50 to rotate together, then roller 40 is relative to limit
Plate 50 moves reciprocatingly in the second glide direction, due to having sliding folder between the first glide direction and the second glide direction
Angle, then roller 40 carries out the superimposed motion of the first glide direction and the second glide direction.In this way, roller 40 carries out in cylinder 30
Above-mentioned superimposed motion guarantees that pump assembly can operate normally to adjust the volume volume between cylinder 30 and roller 40.
In the present embodiment, the eccentric distance of shaft 60 and limit plate 50 is 2e, and shaft 60 is threaded through in roller 40 and roller
40 upper sliding protrusion 42 and lower sliding protrusion 43 are separately positioned on the second slip hole 51 of the limit plate 50 of 40 upper and lower sides of roller
Interior, roller 40 moves back and forth relative to shaft 60 and limit plate 50.In this way, being combined with piston in the prior art with piston bush
Structure compare, above-mentioned setting is so that the structure of pump assembly is simpler, compact, while making the assembly of pump assembly more
It is easy.In addition, the volume of the pump assembly in the present embodiment is smaller, to reduce the processing cost of pump assembly.
It should be noted that just can guarantee pump assembly when the eccentric distance of only shaft 60 and limit plate 50 is 2e
It operates normally.
It should be noted that shaft 60 and 30 eccentric setting of cylinder, and the axle center eccentric setting of limit plate 50 and cylinder 30.
The cylinder 30 being installed in the above way can not only guarantee that the eccentric distance of cylinder 30 and shaft 60 and limit plate 50 is e, and
It can also ensure that the eccentric distance between shaft 60 and limit plate 50 is 2e, thus the spy for making roller 40 have kinetic stability good
Point.
In the pump assembly of the present embodiment, since roller 40 is moved in a straight line relative to limit plate 50 and shaft 60, and
Non-rotating reciprocating motion, thus effectively reduce eccentric mass, reduce limit plate 50, shaft 60 and roller 40 be subject to it is lateral
Power, thus the sealing performance for reducing the abrasion of roller 40, improving roller 40.Meanwhile it ensure that the operation of pump assembly is steady
Qualitative and reliability, and reduce the vibration risk of pump assembly, simplify the structure of pump assembly.
In the present embodiment, the first glide direction is perpendicular to the second glide direction.Specifically, due to roller 40, limit plate
50, cross slides are formed between cylinder 30 and shaft 60, so that the motion stabilization of roller 40 and cylinder 30 and continuous,
And guarantee that the variation of the volume volume between cylinder 30 and roller 40 has rule, to ensure that the stable of fluid machinery
Property, and then improve the functional reliability of pump assembly.
As shown in Figure 1 to Figure 3, pump assembly further includes two structural members, and cylinder 30 is clamped between two structural members, is turned
Axis 60 is at least stretched out by a structural member from inside to outside, and limit plate 50 is between structural member and cylinder 30.
As shown in Figure 1 to Figure 3, two structural members are respectively upper flange 10 and lower flange 20.In the present embodiment, pass through
One fastener 101 links together upper flange 10, cylinder 30 and lower flange 20.
In the pump assembly of the present embodiment, cylinder exhaust port is provided on the end face of cylinder 30 using as exhaust passage,
Upper flange 10 has the flange exhaust outlet being connected to cylinder exhaust port, and pump assembly further includes exhaust valve component 80, is vented valve group
Part 80 is arranged in flange exhaust ports.
Preferably, the first fastener 101 is screw or bolt.
As shown in Figure 1 to Figure 3, pump assembly further includes at least one partition 90, and partition 90 is arranged in structural member and cylinder
Between 30, and structural member and/or partition 90 have the installation space for accommodating limit plate 50.
As shown in Figure 1 to Figure 3, partition 90 is two and is located at the two sides up and down of cylinder 30, and partition 90 is located at knot
Between component and cylinder 30, partition 90 has relief hole 91, and limit plate 50 is rotatably arranged in relief hole 91.
As shown in fig. 7, limit plate 50 is cylindrical plate, relief hole 91 is circular hole.In this way, limit plate 50 is in relief hole 91
Rotation, the movement so that it is guaranteed that limit plate 50 rotates.
As shown in fig. 7, the second slip hole 51 of two limit plates 50 is long hole and extends in the same direction.In this way,
When carrying out the movement of cross slides between roller 40, limit plate 50, cylinder 30 and shaft 60, roller 40 and gas are enabled to
The motion stabilization of cylinder 30 and continuous, and guarantee that the variation of the volume volume between cylinder 30 and roller 40 has rule, to protect
The operation stability of fluid machinery has been demonstrate,proved, and then has improved the functional reliability of pump assembly
As shown in Figures 4 to 6, upper sliding protrusion 42 and lower sliding protrusion 43 respectively include the first lug boss 422 and second
Lug boss 423, and the projection of the first lug boss 422 and the second lug boss 423 on the end face of roller 40 be strip and that
This is parallel；And the extending direction for being located at two the first lug bosses 422 of the two sides up and down of roller 40 is identical.First lug boss 422
It is equipped with the second lug boss 423 with limit plate 50, in the motion process of roller 40, limit plate 50 passes through to the first protrusion
Portion 422 and the second lug boss 423 are limited, and to realize the limit to roller 40, and then are ensured reliable when roller 40 moves
Property and stability.
As shown in Figures 4 to 6, there is phase positioned at first lug boss 422 of the same side of roller 40 and the second lug boss 423
To two sliding mating surfaces 421 of setting, two sliding mating surfaces 421 and the cell wall of the second slip hole 51 are slidably matched.It is rolling
In the motion process of son 40, slides mating surface 421 and the cell wall of the second slip hole 51 is slidably matched, can ensure the stabilization of movement
Property and continuity, improve working efficiency, reduce friction caused by damage, play a very good protection to roller 40.
Specifically, the motor drive shaft 60 of pump assembly carries out during rotating along center axis thereof, 40 phase of roller
Reciprocating motion in first glide direction, two slidings cooperation of upper 42 or lower sliding protrusion 43 of sliding protrusion are done for shaft 60
Cell wall of the face 421 respectively with the second slip hole 51 on limit plate 50 is slidably matched, so that drive of the limit plate 50 in roller 40
Under rotated, then roller 40 does the linear reciprocating motion in the second glide direction relative to limit plate 50.Wherein, the first sliding
Direction is mutually perpendicular to the second glide direction, so that roller 40 is along the reciprocating motion track of the first glide direction and roller 40 along the
The reciprocating motion track of two glide directions is mutually perpendicular to, then the relative motion relation of shaft 60, roller 40 and limit plate 50 is formed
Cross slides principle
In the pump assembly of the present embodiment, cylinder 30 has sliding vane groove, and pump assembly further includes slide plate 70, and slide plate 70 can
It is slidably arranged in sliding vane groove and is abutted with the holding of the outer peripheral surface of roller 40.Specifically, the outer peripheral surface of roller 40 and cylinder 30
Inner peripheral surface between form crescent-shaped space, slide plate 70 is abutted with the holding of the outer peripheral surface of roller 40, then makes the crescent-shaped space
Two chambers are divided into, and two chambers are not connected to mutually.When roller 40 carries out the movement of crosshead shoe form in cylinder 30
During, the total volume of two chambers is constant in cylinder 30, but the respective volume of divided two chambers changes,
To realize air-breathing, the compression, exhaust event of pump assembly.
In the present embodiment, pump assembly further includes slide plate 70, and the head of slide plate 70 has arcwall face, and the tail of slide plate 70
Sliding blade spring 71 is arranged in portion.In this way, during roller 40 rotates in cylinder 30, the outer peripheral surface phase of arcwall face and roller 40
It cuts, to reduce the frictional force of slide plate 70 Yu roller 40, reduces the abrasion of slide plate 70 and roller 40, extend the use of pump assembly
Service life.Specifically, sliding blade spring 71 is set in the tail portion of slide plate 70, under the resilient force of sliding blade spring 71, arcwall face begins
Eventually can be tangent with the outer peripheral surface of roller 40, to prevent the two chambers in cavity from communicating.
As shown in Figure 8, it should be noted that place partition 90 among cylinder 30 and upper flange 10, therefore upside every
On plate 90 in addition to process two limit plate screw holes, it is also necessary to process exhaust valve plate pin hole and gas vent, respectively with upper flange
Exhaust valve plate pin hole and gas vent on 10 communicate；Positioned at the partition 90 of 30 upside of cylinder and the partition 90 of downside in addition to having more
Exhaust valve plate pin hole and gas vent, other sizes are all the same.
In the present embodiment, the height of upper sliding protrusion 42 and lower sliding protrusion 43 is more than or equal to 3 millimeters and is less than or equal to
10 millimeters.The height of upper sliding protrusion 42 and lower sliding protrusion 43 is excessive, the height of shaft 60 can be made to increase, and then lead to shaft
60 amount of deflection increases；The height of upper sliding protrusion 42 and lower sliding protrusion 43 is too small, then stress active area is smaller, local pressure
Can be excessive, lead to the danger for having fracture.
In the present embodiment, the altitude range of upper sliding protrusion 42 and/or lower sliding protrusion 43 is 40 axial height of roller
1/8 to 1/5.In this manner it is ensured that roller 40 can more coordinate safe operating, the safety, steady of pump assembly is improved
It is qualitative.
In the pump assembly of the present embodiment, the assembling process of pump assembly is as shown in figure 3, specific as follows:
First limit plate 50 is packed into the lower end of roller 40, so that limit plate 50 and lower sliding protrusion 43 cooperate, shaft 60
It stretches in the first slip hole 41 of roller 40, then partition 90 will be packed into the outside of limit plate 50, later again by roller 40, limit
Position plate 50 and shaft 60 is fitted into cylinder 30, partition 90 pass through the second fastener 102 link together with cylinder 30, later every
Lower flange 20 is installed in the bottom of plate 90, and is fixed by first flange, and then limit plate 50 is set in upper sliding protrusion 42,
And it is packed into partition 90 in the outside of limit plate 50, while being fixed by the second fastener 102, finally, upper flange 10 is filled
Fit over the outside of upside partition 90.Wherein, the second fastener 102 is screw or bolt.
Embodiment two
Difference with embodiment one is that upper flange 10, which has, is mounted slot 11.
As shown in figure 9, the limit plate 50 for being located at 40 upside of roller is rotatably arranged in and is mounted in slot 11.In this way,
Limit plate 50 is directly installed on upper flange 10, without using partition 90, reduces part, is saved cost, is increased simultaneously
Assembly efficiency.
Embodiment three
Difference with embodiment one is that lower flange 20, which has, is mounted slot 11.
Limit plate 50 positioned at 40 downside of roller, which is rotatably arranged in, to be mounted in slot 11.In this way, limit plate 50 is straight
It connects and is mounted on lower flange 20, without using partition 90, reduce part, save cost, while increasing assembly efficiency.
Example IV
Difference with embodiment one is that upper flange 10, which has, is mounted slot 11, and lower flange 20, which has, is mounted slot
11。
As shown in figure 9, the limit plate 50 for being located at 40 upside of roller is rotatably arranged in and is mounted in slot 11, it is located at rolling
The limit plate 50 of 40 downside of son, which is rotatably arranged in, to be mounted in slot 11.In this way, being located at the limit of about 40 two sides of roller
Plate 50 is directly installed on upper flange 10 and lower flange 20, without using partition 90, reduces part, saves cost, simultaneously
Increase assembly efficiency.
It can be seen from the above description that the above embodiments of the present invention realized the following chievements:
Since the two sides up and down in roller are respectively arranged with limit plate, thus in the rotation process of roller, upper and lower two sides
Limit plate can to roller collective effect so that roller keep stress balance, efficiently avoid roller because answering suffered by part
The excessive run-off the straight of power, causes roller to damage with other structures friction, or shaft is generated compared with large deflection, leads to electricity
Machine sweeps thorax phenomenon, is conducive to the reliability for improving pump assembly.
Obviously, above-mentioned the described embodiment is only a part of the embodiment 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 embodiments should fall within the scope of the present invention.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is 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 their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, 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, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (15)
1. a kind of pump assembly characterized by comprising
Cylinder (30)；
Roller (40), the roller (40) are rotatably arranged in the cylinder (30), and the roller (40) has axial pass through
Logical the first slip hole (41), the upper surface of the roller (40) have the upper sliding stretched out upward raised (42), the roller
(40) lower end surface has the lower sliding stretched out downward raised (43)；
Two limit plates (50), two limit plates (50) are located at the two sides up and down of the roller (40), each limit
Position plate (50) all has the second slip hole (51), described upper to slide that raised (42) are corresponding to be slidably arranged in described the positioned at upside
In two slip holes (51), the lower protrusion (43) that slides corresponds to described second slip hole (51) being slidably arranged in positioned at downside
Interior, the limit plate (50) is with the cylinder (30) eccentric setting and eccentric distance e is fixed；
Shaft (60), the bottom end of the shaft (60) sequentially pass through second slip hole (51) positioned at upside, described first
Slip hole (41) and second slip hole (51) positioned at downside, the shaft (60) and the cylinder (30) eccentric setting and
Eccentric distance e is fixed, and the shaft (60) is with the limit plate (50) eccentric setting and eccentric distance 2e is fixed, and the limit
Plate (50) can be rotatably set, the first glide direction and institute that the shaft (60) is slided relative to first slip hole (41)
Stating between the second glide direction that shaft (60) is slided relative to second slip hole (51) has sliding angle.
2. pump assembly according to claim 1, which is characterized in that first glide direction is sliding perpendicular to described second
Move direction.
3. pump assembly according to claim 1 or 2, which is characterized in that the pump assembly further includes two structural members,
The cylinder (30) is clamped between two structural members, the shaft (60) at least from a structural member to overhanging
Out, and the limit plate (50) is between the structural member and the cylinder (30).
4. pump assembly according to claim 3, which is characterized in that two structural members be respectively upper flange (10) and
Lower flange (20).
5. pump assembly according to claim 4, which is characterized in that the upper flange (10) and/or the lower flange
(20) towards limit installation slot is provided on the end face of the limit plate (50), the limit plate (50) is rotatably arranged in institute
It states and is mounted in slot.
6. pump assembly according to claim 3, which is characterized in that the pump assembly further includes at least one partition
(90), the partition (90) is arranged between the structural member and the cylinder (30), and the structural member and/or the partition
(90) there is the installation space for accommodating the limit plate (50).
7. pump assembly according to claim 6, which is characterized in that the partition (90) is two and is located at described
The two sides up and down of cylinder (30), and the partition (90) is between the structural member and the cylinder (30), the partition
(90) there are relief hole (91), the limit plate (50) is rotatably arranged in the relief hole (91).
8. pump assembly according to claim 7, which is characterized in that the limit plate (50) is cylindrical plate, described to allow
Position hole (91) is circular hole.
9. pump assembly according to claim 1 or 2, which is characterized in that the second sliding of two limit plates (50)
Hole (51) is long hole and extends in the same direction.
10. pump assembly according to claim 1 or 2, which is characterized in that
The upper sliding raised (42) and the lower sliding raised (43) respectively include the first lug boss (422) and the second lug boss
And the projection of first lug boss (422) and second lug boss (423) on the end face of the roller (40) (423),
It is strip and parallel to each other；
And the extending direction for being located at two first lug bosses (422) of the two sides up and down of the roller (40) is identical.
11. pump assembly according to claim 10, which is characterized in that be located at the described of the same side of the roller (40)
First lug boss (422) and second lug boss (423) have two sliding mating surfaces (421) being oppositely arranged, two institutes
It states sliding mating surface (421) and the cell wall of second slip hole (51) is slidably matched.
12. pump assembly according to claim 1, which is characterized in that the upper sliding raised (42) and the lower sliding
The height of raised (43) is more than or equal to 3 millimeters and is less than or equal to 10 millimeters.
13. pump assembly according to claim 1, which is characterized in that the upper sliding raised (42) and/or the downslide
The altitude range for moving raised (43) is the 1/8 to 1/5 of the roller (40) axial height.
14. a kind of fluid machinery, which is characterized in that including pump assembly described in any one of claims 1 to 13.
15. a kind of heat exchange equipment, which is characterized in that including the fluid machinery described in claim 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810792966.1A CN108980041A (en) | 2018-07-18 | 2018-07-18 | Pump assembly, fluid machinery and heat exchange equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810792966.1A CN108980041A (en) | 2018-07-18 | 2018-07-18 | Pump assembly, fluid machinery and heat exchange equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108980041A true CN108980041A (en) | 2018-12-11 |
Family
ID=64550115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810792966.1A Withdrawn CN108980041A (en) | 2018-07-18 | 2018-07-18 | Pump assembly, fluid machinery and heat exchange equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108980041A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0233483A (en) * | 1988-07-22 | 1990-02-02 | Matsushita Refrig Co Ltd | Rotary compressor |
| CN107165822A (en) * | 2017-07-06 | 2017-09-15 | 珠海格力电器股份有限公司 | Pump assembly, fluid machinery and heat transmission equipment |
| 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 |
| CN208474113U (en) * | 2018-07-18 | 2019-02-05 | 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 CN201810792966.1A patent/CN108980041A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0233483A (en) * | 1988-07-22 | 1990-02-02 | Matsushita Refrig Co Ltd | Rotary compressor |
| CN107165822A (en) * | 2017-07-06 | 2017-09-15 | 珠海格力电器股份有限公司 | Pump assembly, fluid machinery and heat transmission equipment |
| 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 |
| CN208474113U (en) * | 2018-07-18 | 2019-02-05 | 珠海格力电器股份有限公司 | Pump assembly, fluid machinery and heat exchange equipment |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181211 |
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| WW01 | Invention patent application withdrawn after publication |