CN207500119U - Pump assembly, fluid machinery and heat transmission equipment - Google Patents
Pump assembly, fluid machinery and heat transmission equipment Download PDFInfo
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- CN207500119U CN207500119U CN201721188931.4U CN201721188931U CN207500119U CN 207500119 U CN207500119 U CN 207500119U CN 201721188931 U CN201721188931 U CN 201721188931U CN 207500119 U CN207500119 U CN 207500119U
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- slide plate
- pump assembly
- blade spring
- sliding blade
- piston
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Abstract
The utility model provides a kind of pump assembly, fluid machinery and heat transmission equipment.Wherein, pump assembly, including：Cylinder has inner cavity and the sliding vane groove being connected with inner cavity；Piston, piston are rotatably arranged in inner cavity；Slide plate is slidably disposed in sliding vane groove, and the head of slide plate is in contact with the peripheral surface of institute's piston；Sliding blade spring, is arranged on the tail portion of slide plate, and sliding blade spring has by compressive state that slide plate compresses and the free state detached with slide plate.The utility model efficiently solve the problems, such ass pump assembly of the prior art, and power consumption is larger in the process of running.
Description
Technical field
The utility model is related to pump housing technical fields, are set in particular to a kind of pump assembly, fluid machinery and heat exchange
It is standby.
Background technology
In the prior art, the piston of pump assembly is arranged on bent axle, and can be rotated in the inner cavity of cylinder.Its
In, cylinder and piston forms the working chamber of a crescent, and head and the piston of slide plate are in close contact, by crescent working chamber point
Be divided into two parts, respectively suction muffler and compression chamber, and slide plate with the rolling of piston it is reciprocating along sliding vane groove, suction muffler
Cyclically-varying is then carried out with the volume of compression chamber, so as to complete the sucking of gas, compression, discharge process.
However, in compressor operation, sliding blade spring always by compressing force, i.e. always make piston by sliding blade spring
With elastic force, cause the frictional force between piston and slide plate larger, the power consumption during compressor operating is caused to increase, is reduced
The performance of compressor.
Utility model content
The main purpose of the utility model is that a kind of pump assembly, fluid machinery and heat transmission equipment are provided, it is existing to solve
The pump assembly for having in technology the problem of power consumption is larger in the process of running.
To achieve these goals, one side according to the present utility model provides a kind of pump assembly, including：Gas
Cylinder has inner cavity and the sliding vane groove being connected with inner cavity；Piston, piston are rotatably arranged in inner cavity；Slide plate, slideably
It is arranged in sliding vane groove, the head of slide plate is in contact with the peripheral surface of institute's piston；Sliding blade spring is arranged on the tail portion of slide plate, sliding
Flat spring has by compressive state that slide plate compresses and the free state detached with slide plate.
Further, when slide plate stretches into the length maximum of inner cavity, sliding blade spring, which is in free state and its, has former length
Xmax, there is the first distance A between the tail portion of slide plate and one end of the separate slide plate of sliding blade spring, wherein, 0<A-Xmax≤6mm。
Further, the first distance A and former long XmaxBetween relationship be 2mm≤A-Xmax≤4mm。
Further, when slide plate is fully located in sliding vane groove, sliding blade spring has active length Xmin, the tail portion of slide plate
There is second distance B between one end of the separate slide plate of sliding blade spring, wherein, B-Xmin≥0.5mm。
Further, the stiffness coefficient of sliding blade spring is K, wherein, 0.2N/mm≤K≤0.8N/mm.
Further, the head of slide plate has arcwall face.
Further, cylinder has inlet channel and exhaust passage, and inlet channel and exhaust passage are respectively positioned at slide plate
Both sides.
Further, exhaust passage is the exhaust outlet on the end face of cylinder.
Another aspect according to the present utility model provides a kind of fluid machinery, including above-mentioned pump assembly.
Another aspect according to the present utility model provides a kind of heat transmission equipment, including above-mentioned fluid machinery.
Using the technical solution of the utility model, pump assembly includes cylinder, piston, slide plate and sliding blade spring.Wherein, gas
Cylinder has inner cavity and the sliding vane groove being connected with inner cavity.Piston is rotatably arranged in inner cavity.Slide plate is slidably disposed on
In sliding vane groove, the head of slide plate is in contact with the peripheral surface of institute's piston.Sliding blade spring is arranged on the tail portion of slide plate, sliding blade spring tool
Have by compressive state that slide plate compresses and the free state detached with slide plate.In this way, in pump assembly operational process, slide plate bullet
Spring has the free state detached with slide plate, and sliding blade spring will not there are decrements always, then sliding blade spring will not be always to cunning
Piece applies elastic force so that the active force between the head of slide plate and piston reduces, and frictional dissipation also reduces, and then improves pump
The working performance of body component.
Compared with sliding blade spring acts power to piston always in the prior art, the piston of the pump assembly in the application
Active force between sliding blade spring reduces, and reduces abrasion therebetween, extends the service life of pump assembly, reduces the pump housing
The energy consumption of component, the final working performance for promoting pump assembly.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide a further understanding of the present invention, this practicality
Novel illustrative embodiments and their description do not form the improper restriction to the utility model for explaining the utility model.
In the accompanying drawings：
Fig. 1 shows the vertical view when slide plate of the embodiment of pump assembly according to the present utility model stretches into cylinder longest
Figure；
Fig. 2 shows enlarged diagrams at the C of the pump assembly in Fig. 1；
Fig. 3 shows that the sliding blade spring of the pump assembly in Fig. 1 is in former long XmaxWhen front view；
Fig. 4 shows that the sliding blade spring of the pump assembly in Fig. 1 is in active length XminWhen front view；
When Fig. 5 shows that the slide plate of the embodiment of pump assembly according to the present utility model is fully located in the sliding vane groove
Vertical view；And
Fig. 6 shows enlarged diagram at the D of the pump assembly in Fig. 5.
Wherein, above-mentioned attached drawing is marked including the following drawings：
10th, cylinder；11st, inner cavity；12nd, sliding vane groove；13rd, inlet channel；14th, exhaust passage；20th, piston；30th, slide plate；40、
Sliding blade spring；50th, bent axle.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It should be pointed out that unless otherwise specified, all technical and scientific terms used in this application have and the application
The normally understood identical meanings of person of an ordinary skill in the technical field.
In the utility model in the case where not making to illustrate on the contrary, the noun of locality such as " upper and lower " used is typically to be directed to
For direction shown in the drawings or on vertical, vertical or gravity direction；Similarly, for ease of understanding
And description, " left and right " is typically for shown in the drawings left and right；" inside and outside " refers to the profile relative to each component in itself
It is inside and outside, but the above-mentioned noun of locality is not intended to limit the utility model.
In order to solve the problems, such as pump assembly of the prior art, power consumption is larger in the process of running, and this application provides one
Kind pump assembly, fluid machinery and heat transmission equipment.
As shown in Figures 1 to 6, pump assembly includes cylinder 10, piston 20, slide plate 30 and sliding blade spring 40.Wherein, cylinder
10 have inner cavity 11 and the sliding vane groove 12 being connected with inner cavity 11.Piston 20 is rotatably arranged in inner cavity 11.Slide plate 30 can
It is slidably arranged in sliding vane groove 12, the head of slide plate 30 is in contact with the peripheral surface of institute piston 20.Sliding blade spring 40 is arranged on
The tail portion of slide plate 30, sliding blade spring 40 have by compressive state that slide plate 30 compresses and the free state detached with slide plate 30.
In pump assembly operational process, sliding blade spring 40 has the free state detached with slide plate 30, sliding blade spring 40
Will not be always there are decrement, then sliding blade spring 40 will not apply elastic force to slide plate 30 always so that the head of slide plate 30 with
Active force between piston 20 reduces, and frictional dissipation also reduces, and then improves the working performance of pump assembly.
Compared with sliding blade spring acts power to piston always in the prior art, the work of the pump assembly in the present embodiment
Active force between plug 20 and sliding blade spring 40 reduces, and reduces abrasion therebetween, extends the service life of pump assembly, drops
The energy consumption of low pump assembly, the final working performance for promoting pump assembly.
In the present embodiment, when increasing compressor displacement, crankshaft eccentric amount is smaller, the active length area of sliding blade spring 40
Between it is shorter, then it is relatively low to the performance requirement of sliding blade spring 40, can ensure the operation steady in a long-term of sliding blade spring 40, and then improve
The operational reliability of pump assembly ensures that pump assembly being capable of normal operation.In addition, the above-mentioned setting of sliding blade spring 40 breaches
Sliding blade spring 40 limits the design of pump assembly discharge capacity, and the row of bigger can be realized under the outer diameter of identical cylinder 10
Amount design, is conducive to the miniaturization of pump assembly.
As shown in Figure 1 to Figure 3, when slide plate 30 stretches into the length maximum of inner cavity 11, sliding blade spring 40 is in free state
And it has former long Xmax, there is the first distance A between the tail portion of slide plate 30 and one end of the separate slide plate 30 of sliding blade spring 40,
Wherein, 0<A-Xmax≤6mm.In this way, pre compressed magnitude is not present in sliding blade spring 40, then sliding blade spring 40 is acted on slide plate 30
Elastic force reduces, then the active force that the head of slide plate 30 is acted on piston 20 also correspondingly reduces.It was run in pump assembly
Cheng Zhong, above-mentioned setting can reduce the frictional force between slide plate 30 and piston 20, not only so that piston 20 rotation it is more smooth,
Easily, but also the abrasion of slide plate 30 and piston 20 reduces, reduce the energy consumption of pump assembly, extend pump assembly uses the longevity
Life, reduces cost.
Optionally, the first distance A and former long XmaxBetween relationship be 2mm≤A-Xmax≤4mm.In this way, above-mentioned numerical value model
Enclosing can ensure that the pre compressed magnitude of sliding blade spring 40 will not be too small, then effective work discharge capacity of cylinder 10 when starting pump assembly
Will not be too small, so that the startup of pump assembly is more prone to, fast, shortens to start taking, improve the work of pump assembly
Efficiency.
It should be noted that the first distance A and former long XmaxBetween relationship it is without being limited thereto, as long as disclosure satisfy that 0<A-Xmax
≤ 6mm selects suitable value for the pump assembly of different displacements.
As shown in Figures 4 to 6, when slide plate 30 is fully located in sliding vane groove 12, sliding blade spring 40 has active length
Xmin, there is second distance B between the tail portion of slide plate 30 and one end of the separate slide plate 30 of sliding blade spring 40, wherein, B-Xmin≥
0.5mm.In this way, when slide plate 30 is fully located in sliding vane groove 12, tail portion and sliding blade spring of the above-mentioned numberical range to slide plate 30
The active length X of second distance B and sliding blade spring 40 at this time between 40 tail portionminIt is defined, can either ensure pump housing group
The good startability of part, and can prevent sliding blade spring 40 from popping up sliding vane groove 12, and then improve the stable structure of pump assembly
Property.
In the present embodiment, the stiffness coefficient of sliding blade spring 40 is K, wherein, 0.2N/mm≤K≤0.8N/mm.In this way,
In pump assembly operational process, the setting of above-mentioned numerical value can ensure sliding blade spring 40 will not recurring structure damage, and cause the pump housing
The startup of component is more prone to, fast, and then improves the working efficiency of pump assembly.
It should be noted that the value range that the stiffness coefficient of sliding blade spring 40 is K is without being limited thereto, as long as ensureing pump housing group
Part can normally start, run.
In the present embodiment, the head of slide plate 30 has arcwall face.In this way, the process rotated in cylinder 10 in piston 20
In, the peripheral surface of arcwall face and piston 20 is tangent, so as to reduce the frictional force of slide plate 30 and piston 20, reduces slide plate 30 and piston
20 abrasion extends the service life of pump assembly.Specifically, sliding blade spring 40 is set in the tail portion of slide plate 30, in slide plate bullet
Under the resilient force of spring 40, arcwall face can be tangent with the peripheral surface of piston 20, so as to prevent the two chambers in inner cavity 11
(suction muffler, compression chamber) is connected.
As shown in Figure 1 and Figure 5, cylinder 10 has inlet channel 13 and exhaust passage 14, inlet channel 13 and exhaust passage
14 are located at the both sides of slide plate 30 respectively.Specifically, inner cavity 11 is formed between the inner peripheral surface of the peripheral surface of piston 20 and cylinder 10, it is interior
Chamber 11 is divided into two chambers (suction muffler, compression chamber) by slide plate 30, and the two chambers do not connect mutually.The rotation of piston 20 one
Week, two chambers are respectively completed air-breathing, compression, exhaust process.
As shown in Figure 1 and Figure 5, exhaust passage 14 is the exhaust outlet on the end face of cylinder 10.The exhaust side of exhaust passage 14
Horizontal plane to where with cylinder 10.It can prevent in this way outside the gas blow-through pump assembly that exhaust passage 14 is discharged
Housing, reduce exhaust process generate noise.The structure of above structure is simple, is easily worked.
It should be noted that the discharge directions of exhaust passage 14 are without being limited thereto.Optionally, the discharge directions of exhaust passage 14
Horizontal plane that can also be where cylinder 10 is parallel.
As shown in Figure 1 and Figure 5, pump assembly further includes base bearing, supplementary bearing, driving mechanism and bent axle 50.Wherein, main shaft
Hold the top for being arranged on cylinder 10.Supplementary bearing is arranged on the lower section of cylinder 10.Piston 20 is set on bent axle 50, and driving mechanism
Pass through the rotation in cylinder 10 with piston 20 of bent axle 50.In this way, the center of bent axle 50 and the center of cylinder 10 essentially coincide, it is living
Plug 20 is set on the eccentric part of bent axle 50, and the eccentricity of eccentric part is e.The side of piston 20 and the inner wall of cylinder 10 are tangent,
Opposite side is in contact with the head of slide plate 30, and slide plate 30 divides the crescent cavity between the outer wall of the inner wall of cylinder 10 and piston 20
For two parts, respectively suction muffler and compression chamber.With the rotation of bent axle 50, the volume of suction muffler and compression chamber is in cycles
Variation, so as to fulfill air-breathing, compression, exhaust process.The structure of above structure is simple, is easily worked, assembles.
Specifically, base bearing is arranged on the upper end of cylinder 10, and supplementary bearing is arranged on the lower end of cylinder 10, base bearing, cylinder
10 and supplementary bearing linked together by fastener.Wherein, muffler can be arranged outside base bearing and supplementary bearing, to improve the pump housing
The noise generated during component operation.Bent axle 50 is supported by base bearing and supplementary bearing, and base bearing is used to support the middle and lower part of bent axle 50,
Supplementary bearing is used to support the lower end of bent axle 50.The lower end of bent axle 50 can extend into the lubricating oil sump inside pump assembly
In, center oilhole can be formed in bent axle 50, the bottom of center oilhole is connected with oil sump, and the lubricating oil that center oilhole sucts can be used
It holds in lubricating spindle, piston 20 and supplementary bearing, and then reduces the structural wear in pump assembly operational process, extend pump assembly
Service life.
Specifically, in 50 rotary course of bent axle, when slide plate 30 stretches into the length maximum of inner cavity 11, the head of slide plate 30
Be in contact with piston 20, then suction muffler still will not be connected with compression chamber, and then ensure pump assembly can realize air-breathing,
Compression, exhaust process so that pump assembly normal operation.
Optionally, piston 20 is circular ring shape, and the upper surface of piston 20 can be close to the lower surface of base bearing, the following table of piston 20
It is close to the upper surface of supplementary bearing in face.
In the present embodiment, pump assembly realizes the fit system between a kind of completely new sliding blade spring 40 and slide plate 30,
And reasonable limitation is made that the stiffness coefficient K of sliding blade spring 40, it is not only able to ensure that the normal of pump assembly starts, reduces
Friction power loss between slide plate 30 and piston 20, and it is 2 times to breach length X in traditional 40 course of work of sliding blade spring
The restriction relation of 50 eccentric amount e of bent axle, i.e. X=2e.Meanwhile the range of pump assembly discharge capacity has been widened in above-mentioned setting, is reduced
The structural requirement of sliding blade spring 40 is advantageously implemented the miniaturization of pump assembly and cost effective.
Present invention also provides a kind of fluid machinery (not shown), including above-mentioned pump assembly.Optionally, fluid machinery
For rotary compressor or rotary expander.
Present invention also provides a kind of heat transmission equipment (not shown), including above-mentioned fluid machinery.Optionally, heat transmission equipment
For air-conditioning.
It can be seen from the above description that the above embodiments of the present invention achieve the following technical effects：
In pump assembly operational process, sliding blade spring has the free state detached with slide plate, and sliding blade spring will not begin
There are decrements eventually, then sliding blade spring will not be always to slide plate application elastic force so that the work between the head of slide plate and piston
Firmly reduce, frictional dissipation also reduces, and then improves the working performance of pump assembly.
Compared with sliding blade spring acts power to piston always in the prior art, the piston of the pump assembly in the application
Active force between sliding blade spring reduces, and reduces abrasion therebetween, extends the service life of pump assembly, reduces the pump housing
The energy consumption of component, the final working performance for promoting pump assembly.
Obviously, above-mentioned described embodiment is only the embodiment of the utility model part rather than the reality of whole
Apply example.Based on the embodiment in the utility model, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained should all belong to the range of the utility model protection.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in 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 the object for distinguishing similar, and specific sequence or precedence are described without being used for.It should be appreciated that it uses in this way
Data can be interchanged in the appropriate case, so that presently filed embodiment described herein can be in addition to illustrating herein
Or the sequence other than those of description is implemented.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of pump assembly, which is characterized in that including：
Cylinder (10) has inner cavity (11) and the sliding vane groove (12) being connected with the inner cavity (11)；
Piston (20), the piston (20) are rotatably arranged in the inner cavity (11)；
Slide plate (30) is slidably disposed in the sliding vane groove (12), head and the institute's piston (20) of the slide plate (30)
Peripheral surface is in contact；
Sliding blade spring (40), is arranged on the tail portion of the slide plate (30), and the sliding blade spring (40) has by the slide plate (30)
The compressive state of compression and the free state detached with the slide plate (30).
2. pump assembly according to claim 1, which is characterized in that when the slide plate (30) stretches into the inner cavity (11)
During length maximum, the sliding blade spring (40) is in the free state and it is with former long Xmax, the slide plate (30) it is described
There is the first distance A between tail portion and one end far from the slide plate (30) of the sliding blade spring (40), wherein, 0<A-Xmax
≤6mm。
3. pump assembly according to claim 2, which is characterized in that the first distance A and long X of originalmaxBetween
Relationship is 2mm≤A-Xmax≤4mm。
4. pump assembly according to claim 1, which is characterized in that when the slide plate (30) is fully located at the sliding vane groove
(12) when interior, the sliding blade spring (40) has active length Xmin, the tail portion and the sliding blade spring of the slide plate (30)
(40) there is second distance B between one end far from the slide plate (30), wherein, B-Xmin≥0.5mm。
5. pump assembly according to claim 1, which is characterized in that the stiffness coefficient of the sliding blade spring (40) is K,
In, 0.2N/mm≤K≤0.8N/mm.
6. pump assembly according to claim 1, which is characterized in that the head of the slide plate (30) has arc
Face.
7. pump assembly according to claim 1, which is characterized in that the cylinder (10) has inlet channel (13) and row
Gas channel (14), the inlet channel (13) and the exhaust passage (14) are located at the both sides of the slide plate (30) respectively.
8. pump assembly according to claim 7, which is characterized in that the exhaust passage (14) is the cylinder (10)
Exhaust outlet on end face.
9. a kind of fluid machinery, which is characterized in that including pump assembly described in any item of the claim 1 to 8.
10. a kind of heat transmission equipment, which is characterized in that including the fluid machinery described in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721188931.4U CN207500119U (en) | 2017-09-14 | 2017-09-14 | Pump assembly, fluid machinery and heat transmission equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721188931.4U CN207500119U (en) | 2017-09-14 | 2017-09-14 | Pump assembly, fluid machinery and heat transmission equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207500119U true CN207500119U (en) | 2018-06-15 |
Family
ID=62498162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721188931.4U Active CN207500119U (en) | 2017-09-14 | 2017-09-14 | Pump assembly, fluid machinery and heat transmission equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207500119U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107503940A (en) * | 2017-09-14 | 2017-12-22 | 珠海格力电器股份有限公司 | Pump assembly, fluid machinery and heat transmission equipment |
-
2017
- 2017-09-14 CN CN201721188931.4U patent/CN207500119U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107503940A (en) * | 2017-09-14 | 2017-12-22 | 珠海格力电器股份有限公司 | Pump assembly, fluid machinery and heat transmission equipment |
| CN107503940B (en) * | 2017-09-14 | 2019-12-20 | 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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