CN207634307U - Pump body and compressor - Google Patents
Pump body and compressor Download PDFInfo
- Publication number
- CN207634307U CN207634307U CN201721790887.4U CN201721790887U CN207634307U CN 207634307 U CN207634307 U CN 207634307U CN 201721790887 U CN201721790887 U CN 201721790887U CN 207634307 U CN207634307 U CN 207634307U
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- bent axle
- compressor
- roller
- pump housing
- along
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- 238000009434 installation Methods 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 16
- 238000011156 evaluation Methods 0.000 abstract 1
- 241001131688 Coracias garrulus Species 0.000 description 53
- 238000000034 method Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 206010008469 Chest discomfort Diseases 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000002224 dissection Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003584 silencer Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 241001269238 Data Species 0.000 description 1
- 241000233855 Orchidaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- Applications Or Details Of Rotary Compressors (AREA)
- Compressor (AREA)
Abstract
The utility model provides a pump body and compressor. The pump body includes bent axle and roller, is provided with the eccentric circle on the bent axle, and the roller cover is established in the periphery of eccentric circle, and the ratio of the radial thickness of roller along the bent axle and the radial maximum width of eccentric circle along the bent axle is 0.41 to 0.51. The utility model provides a roller along the radial thickness of bent epaxial and the radial maximum width's of eccentric circle along the bent axle evaluation index and the reference range of compressor friction consumption, loss influence, solved the difficult point problem of roller and bent axle eccentric circle size, height and discharge capacity design relation.
Description
Technical field
The utility model is related to compression set technical fields, in particular to a kind of pump housing and compressor.
Background technology
Nowadays the operation principle of compressor with rolling rotor is：In cylindrical cylinder, a cylindrical rolling is placed
The rotation center of son, roller is overlapped with cylinder axis, but the outer surface of roller and roller rotation centerline be not symmetrical,
Eccentric, roller does rotary motion by the crankshaft eccentric circle being sleeved on its internal diameter under motor drive.In the sliding vane groove of cylinder
One piece of slide plate that can be slided up and down inside is placed, one end is equipped with pump spring, it is ensured that slide plate one end connects with roller outer circle always
It touches and moves reciprocatingly in sliding vane groove.Therefore the upper and lower flange of slide plate, cylinder surfaces, roller outer surface and cylinder both ends of the surface
High pressure chest and low pressure chamber are constituted, bent axle drives roller to rotate a circle then and is vented work of completion from low pressure chamber air-breathing from high pressure chest
It recycles, constantly repeats the above process, here it is the operation principles of rotary compressor.
Compressor is efficient and long-life design is the target of compressor design, compressor COP=refrigerating capacitys/power consumption.Cause
This, promotes the important channel that COP is efficient design, because pump housing moving component is mutual by reducing compressor power consumption
The power consumption that friction generates account for compressor power consumption proportion is larger while the effect of attrition compressor reliability of part, transported in compressor
Motion range is maximum in dynamic component and what contact component was most is roller.1, roller inner circle and crankshaft eccentric are justified；2, roller outer circle
With cylinder inner circle；3, roller upper and lower end face and upper and lower Flange Plane；4, slide plate head and roller outer circle；Wherein 1,2 and 3 are because connecing
Contacting surface product is larger to friction power loss and reliability effect greatly.Therefore, it is compression to reduce 1,2 and 3 friction power loss and parts depreciation
Machine improves the main path of efficiency and reliability.
Utility model content
The main purpose of the utility model is to provide a kind of pump housing and compressors, to solve compressor in the prior art
Friction power loss and the high problem of parts depreciation.
To achieve the goals above, one side according to the present utility model provides a kind of pump housing, including bent axle and rolling
Son, off-centre operation is provided on bent axle, and roller is set in the periphery of off-centre operation, radial thickness and off-centre operation of the roller on bent axle
Ratio along the maximum width radially of bent axle is 0.41 to 0.51.
Further, the ratio of height of the off-centre operation in bent axle axial direction and height of the roller in bent axle axial direction is 0.65
To 0.8.
Further, roller along the discharge capacity of the thickness compressor corresponding with the pump housing of bent axle radial direction ratio be 0.9 to
1.1。
Another aspect according to the present utility model, provides a kind of compressor, including the pump housing, and the pump housing is the above-mentioned pump housing.
Further, compressor further includes shell and motor, and shell, which encloses, to be set to form installation cavity, and the pump housing is mounted on installation cavity
Interior, motor is drivingly connected with the pump housing.
Further, compressor further includes dispenser component, the entrance connection of dispenser component and the pump housing.
Further, dispenser component is weldingly fixed on shell.
Further, shell includes cylindrical shell, bottom cover and upper cover, and bottom cover is welded on the bottom of cylindrical shell, on
Lid is welded on the top of cylindrical shell.
Using the technical solution of the utility model, the friction power loss of the compressor of the utility model and parts depreciation are low, carry
High compressor efficiency and reliability；When designing compressor, it is subsequent development different model, row that can formulate a design standard table
The rolling rotor compressor of amount provides reference, and it is that enterprise increases benefit to shorten the development cycle.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide a further understanding of the present invention, this practicality
Novel illustrative embodiments and their description are not constituted improper limits to the present invention for explaining the utility model.
In the accompanying drawings：
Fig. 1 diagrammatically illustrates the sectional view of the pump housing of the utility model；
Fig. 2 diagrammatically illustrates the sectional view of the compressor of the utility model；
Fig. 3 diagrammatically illustrates the vertical view of the compressor of the utility model；
Fig. 4 diagrammatically illustrate the roller of the utility model along bent axle radial direction thickness and off-centre operation along bent axle radially
Maximum width size ratio and compressor friction power loss and performance between curved line relation；
Fig. 5 diagrammatically illustrates height of the roller of the utility model in bent axle axial direction and off-centre operation in bent axle axial direction
Height ratio and compressor friction power loss and performance between curved line relation；And
Fig. 6 diagrammatically illustrates the thickness and compressor displacement ratio and compression of the roller along bent axle radial direction of the utility model
Curved line relation between machine friction power loss and performance.
Wherein, above-mentioned attached drawing includes the following drawings label：
10, the pump housing；11, bent axle；111, off-centre operation；12, roller；13, upper flange；14, upper muffler；15, cylinder；16、
Lower flange；17, bottom silencer；20, shell；21, cylindrical shell；22, bottom cover；23, upper cover；30, motor；40, dispenser portion
Part.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It should be 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, operation, 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 for example can be in addition to herein
Sequence other than those of diagram or description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment not
Those of be necessarily limited to clearly to list step or unit, but may include not listing clearly or for these processes, side
The intrinsic other steps of method, product or equipment or unit.
For ease of description, herein can with use space relative terms, as " ... on ", " in ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, if the device in attached drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (be rotated by 90 ° or be in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
Shown in Fig. 1 to Fig. 6, embodiment according to the present utility model provides a kind of compressor, in the present embodiment
Compressor includes the pump housing 10, shell 20, motor 30 and dispenser component 40.
Wherein, shell 20 includes cylindrical shell 21, bottom cover 22 and upper cover 23, during actual assembled, the bottom of by
Lid 22 is welded on the bottom of cylindrical shell 21, upper cover 23 is welded on to the top of cylindrical shell 21 so that cylindrical shell
21, bottom cover 22 and upper cover 23, which are enclosed, sets to form installation cavity, and when installation, the pump housing 10 and motor 30 are mounted in installation cavity, and is made
Motor 30 is obtained to be drivingly connected with the pump housing 10.Dispenser component 40 is mounted on outside shell 20 so that dispenser component 40 and the pump housing
10 entrance connection, convenient for conveying refrigerant into the pump housing 10.During actual processing, dispenser component 40 is welded on shell
On 20, stable structure is reliable.
The pump housing 10 includes bent axle 11, roller 12, upper flange 13, upper muffler 14, cylinder 15, lower flange 16 and lower noise reduction
Device 17 is provided with off-centre operation 111 on bent axle 11, and roller 12 is set in the periphery of off-centre operation 111, and cylinder 15 is set in bent axle 11
On, and be fixed on bent axle 11 by upper flange 13 and lower flange 16, upper muffler 14 is arranged on upper flange 13, bottom silencer
17 are arranged on lower flange 16.
In order to improve compressor efficiency and reliability, during actual design compressor, roller 12 is along bent axle 11
Radial thickness can reach requirement when meeting certain ratio along the maximum width radially of bent axle 11 with off-centre operation 111.
Reducing radial thickness of the roller 12 on bent axle 11 certainly will be such that off-centre operation 111 becomes along the maximum width radially of bent axle 11
Greatly, it is unfavorable for the balance of bent axle 11, aggravates the friction of bent axle 11 and upper flange 13, lower flange 16 etc., additionally, due to the through-hole of partition board
Become larger and increases leakage rate.Power consumption and abrasion become larger.Radial thickness of the excessive roller 12 on bent axle 11 equally makes upper method
The friction increasing of orchid 13,16 big plane of lower flange etc. and becoming larger for turning moment.
It is axial along bent axle 11 that height of the roller 12 in 11 axial direction of bent axle meets certain off-centre operation 111 under certain altitude
On height can also meet design requirement.Increase height of the roller 12 in 11 axial direction of bent axle with off-centre operation 111 along bent axle 11
Height ratio in axial direction drives roller 12 to make rotary motion without effect on bent axle 11, and friction can only be increased by increasing contact area
Power consumption.If but if ratio is too low, although the small turning moment that may be unsatisfactory for of contact area causes roller 12 stuck etc.
Abnormal phenomenon equally generates huge harmful effect to compressor.
When roller 12 is in compressor displacement in a certain range along the radial thickness of bent axle 11 most to pump housing global design
It is good.Because cylinder height reaches with 11 eccentricity of bent axle and 111 size of off-centre operation compared with the figure of merit at this time, the friction power loss of each part and
Abrasion is preferable, and the performance and reliability of compressor are optimal.
When the compressor is operated due to the drive of bent axle 11 rotation, the friction of motion power consumption that the pump housing 10 generates in the pump housing 10
It is maximum；Compressor is efficient and long-life design is the target of compressor design, compressor COP=refrigerating capacitys/power consumption.Therefore,
The important channel that COP is efficient design is promoted by reducing compressor power consumption, because 10 moving component of the pump housing is mutual
The power consumption that friction generates account for compressor power consumption proportion is larger while the effect of attrition compressor reliability of part, transported in compressor
Motion range is maximum in dynamic component and what contact component was most is roller 12.
Shown in Fig. 4 to 6, by emulation, calculates and to carrying out long-term reliability compressor dissection, study and establish roller
12 along the radial thickness of bent axle 11 and off-centre operation 111 along the maximum width size ratio radially of bent axle 11, roller 12 along song
The height ratio and roller 12 of height and off-centre operation 111 in 11 axial direction of bent axle in 11 axial direction of axis is along the radial thickness of bent axle 11
With the curved line relation between compressor displacement ratio and compressor friction power loss and performance.
As shown in figure 4, when radial thickness N and off-centre operation 111 of the roller 12 on bent axle 11 along bent axle 11 radially
The ratio of maximum width M be 0.41 to 0.51, compressor friction power loss is minimum, reliability is best.
As shown in figure 5, as height H of the off-centre operation 111 in 11 axial direction of bent axle and height of the roller 12 in 11 axial direction of bent axle
The ratio for spending L is 0.65 to 0.8, and compressor friction power loss is minimum, reliability is best.
As shown in fig. 6, when roller 12 is along the ratio of the discharge capacity V of the radial thickness N compressors corresponding with the pump housing 10 of bent axle 11
Value is 0.9 to 1.1, and compressor friction power loss is minimum, reliability is best.
According to the above embodiments it is recognised that being found by theoretical calculation, comparison volume production type and simulation analysis, with
Thickness M of the roller 12 in 11 axial direction of bent axle, i.e. roller thickness, roller 12 are along bent axle 11 radially height H and roller height
Increase, the frictional dissipations such as compressor roller 12, bent axle 11, cylinder 15 and 30 input power of motor are all in the presence of a parabolic line chart
There are a minimum peak points.It is obtained and to long-term reliability compressor by a large amount of gross datas, emulation, comparison volume production type
Dissection obtains.
1, the radial thickness N and off-centre operation 111 when roller 12 on bent axle 11 is wide along the maximum radially of bent axle 11
When the ratio for spending M is 0.41 to 0.51, the abrasion of compressor friction power loss and part is minimum.
2, the ratio of the height H and height L of the roller 12 in 11 axial direction of bent axle when off-centre operation 111 in 11 axial direction of bent axle
When being 0.65 to 0.8, the abrasion of compressor friction power loss and part is minimum.
3, when roller 12 along the discharge capacity of the radial thickness N compressors corresponding with the pump housing 10 of bent axle 11 ratio for 0.9 to
1.1, compressor friction power loss is minimum, reliability is best.
Therefore, during actual design, provide roller thickness and crankshaft eccentric circle thickness, crankshaft eccentric circle height with
The relationship of the ratio and compressor friction power loss of roller height and roller thickness and compressor displacement calculates compressor friction power loss
Roller thickness when minimum peak and crankshaft eccentric circle thickness, crankshaft eccentric circle height and roller height and roller thickness and compression
The ratio range of machine discharge capacity；Different roller thickness, the relationship highly with compressor friction power loss are provided, compressor can be reached
Design requirement；Provide different crankshaft eccentric circle sizes, the relationship highly with compressor friction power loss；It provides under different roller thickness
The relationship of same displacement and compressor friction power loss can reach the design requirement of compressor.
It can be seen from the above description that the above embodiments of the present invention achieve the following technical effects：
The compressor friction power loss of the utility model and parts depreciation are low, improve compressor efficiency and reliability；Design
When compressor, a design standard table can be formulated and provide ginseng for the rolling rotor compressor of subsequent development different model, discharge capacity
It examines, it is that enterprise increases benefit to shorten the development cycle.
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 (8)
1. a kind of pump housing (10), which is characterized in that including bent axle (11) and roller (12), bias is provided on the bent axle (11)
Circle (111), the roller (12) are set in the periphery of the off-centre operation (111), and the roller (12) is along the bent axle (11)
Radial thickness and the off-centre operation (111) along the ratio of the maximum width radially of the bent axle (11) be 0.41 to
0.51。
2. the pump housing (10) according to claim 1, which is characterized in that the off-centre operation (111) is along the bent axle (11) axis
The ratio of upward height and height of the roller (12) in the bent axle (11) axial direction is 0.65 to 0.8.
3. the pump housing (10) according to claim 1, which is characterized in that the roller (12) is along the bent axle (11) radial direction
The ratio of the discharge capacity of thickness compressor corresponding with the pump housing (10) is 0.9 to 1.1.
4. a kind of compressor, including the pump housing (10), which is characterized in that the pump housing (10) is any one of claims 1 to 3 institute
The pump housing (10) stated.
5. compressor according to claim 4, which is characterized in that the compressor further includes shell (20) and motor
(30), the shell (20), which is enclosed, sets to form installation cavity, the pump housing (10) be mounted on the installation cavity in, the motor (30) with
The pump housing (10) is drivingly connected.
6. compressor according to claim 5, which is characterized in that the compressor further includes dispenser component (40), institute
Dispenser component (40) is stated to connect with the entrance of the pump housing (10).
7. compressor according to claim 6, which is characterized in that the dispenser component (40) is weldingly fixed on the shell
On body (20).
8. compressor according to claim 5, which is characterized in that the shell (20) includes cylindrical shell (21), bottom
(22) and upper cover (23) are covered, the bottom cover (22) is welded on the bottom of the cylindrical shell (21), upper cover (23) welding
Top in the cylindrical shell (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721790887.4U CN207634307U (en) | 2017-12-18 | 2017-12-18 | Pump body and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721790887.4U CN207634307U (en) | 2017-12-18 | 2017-12-18 | Pump body and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207634307U true CN207634307U (en) | 2018-07-20 |
Family
ID=62853410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721790887.4U Withdrawn - After Issue CN207634307U (en) | 2017-12-18 | 2017-12-18 | Pump body and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207634307U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194356A (en) * | 2017-12-18 | 2018-06-22 | 珠海格力电器股份有限公司 | Pump body and compressor |
-
2017
- 2017-12-18 CN CN201721790887.4U patent/CN207634307U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194356A (en) * | 2017-12-18 | 2018-06-22 | 珠海格力电器股份有限公司 | Pump body and compressor |
| CN108194356B (en) * | 2017-12-18 | 2023-10-03 | 珠海格力电器股份有限公司 | Pump body and compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180720 Effective date of abandoning: 20231003 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180720 Effective date of abandoning: 20231003 |