CN207437356U - Pump assembly and compressor - Google Patents
Pump assembly and compressor Download PDFInfo
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- CN207437356U CN207437356U CN201721366332.7U CN201721366332U CN207437356U CN 207437356 U CN207437356 U CN 207437356U CN 201721366332 U CN201721366332 U CN 201721366332U CN 207437356 U CN207437356 U CN 207437356U
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- axle
- pump assembly
- axial height
- compressor
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Abstract
The utility model provides a kind of pump assembly and compressor.The pump assembly includes bent axle (1), upper flange (2) and lower flange (3), bent axle (1) is included with upper flange (2) matched long axis (4) and with lower flange (3) matched short axle (5), and the ratio range between long axis (4) diameter of axle and the axial height of upper flange (2) is 0.25~0.45；And/or the ratio range between the axial height of short axle (5) diameter of axle and lower flange (3) is 0.55~0.75.Pump assembly according to the present utility model can reduce the friction power loss in compressor operation, improve the working performance of compressor.
Description
Technical field
The utility model belongs to Compressor Technology field, and in particular to a kind of pump assembly and compressor.
Background technology
The operation principle of existing compressor with rolling rotor is：Motor stator generates magnetic pull, rotor upon power-up
It rotates under the magnetic pull effect of stator, and the bent axle of the pump housing is driven to rotate together, crank rotation then drives
The roller for being sleeved on its eccentric part does eccentric circular motion in cylinder, and slide plate is then mounted in the sliding vane groove of cylinder, in pump spring
Under the action of withstand roller always and move reciprocatingly in sliding vane groove, cylinder has been divided into high pressure chest and low pressure by slide plate and roller
Chamber, bent axle drive roller to rotate a circle, and complete once to be vented from low pressure chamber air-breathing from high pressure chest exhaust, therefore realize compressor
Compression to gas.
The efficient design of compressor is trend all the time, and compressor Energy Efficiency Ratio is the ratio of refrigerating capacity and power consumption, because
This, it is desirable to compressor efficiency is improved, most important means are exactly to reduce compressor power consumption, and the friction power loss of moving component accounts for pressure
The proportion of contracting machine power consumption is larger, and the friction power loss of moving component is mainly generated by following part in compressor：1st, bent axle is long
Friction between axis and upper flange internal diameter；2nd, the friction between bent axle short axle and lower flange internal diameter；3rd, crankshaft eccentric portion and roller
Friction between inner circle；4th, the friction between slide plate head and roller outer circle；5th, between slide plate plane and cylinder sliding vane groove plane
Friction；6th, the friction between crankshaft thrust face and lower flange plane；Wherein 1 and 2 friction power loss occupies compressor and always rubs
The large percentage of power consumption, therefore larger adverse effect is generated to the performance of compressor.
Utility model content
Therefore, the technical problems to be solved in the utility model is to provide a kind of pump assembly and compressor, can reduce
Friction power loss in compressor operation improves the working performance of compressor.
To solve the above-mentioned problems, the utility model provides a kind of pump assembly, including bent axle, upper flange and lower flange,
Bent axle include long axis matched with upper flange and with the matched short axle of lower flange, the axial height of the long axis diameter of axle and upper flange
Between ratio range be 0.25~0.45；And/or the ratio range between the short axle diameter of axle and the axial height of lower flange is
0.55~0.75.
Preferably, the ratio range between the long axis diameter of axle and the axial height of upper flange is 0.3~0.4；And/or short axle
Ratio range between the diameter of axle and the axial height of lower flange is 0.6~0.7.
Preferably, the ratio range between the long axis diameter of axle and the axial height of upper flange is 0.35；And/or the short axle diameter of axle
Ratio range between the axial height of lower flange is 0.65.
Preferably, the axial height of upper flange is 30 to 55mm.
Preferably, the axial height of upper flange is 44mm.
Preferably, the axial height of lower flange is 15 to 40mm.
Preferably, the axial height of lower flange is 20mm.
Preferably, bent axle further includes eccentric part, and pump assembly further includes cylinder and roller, and cylinder is located at upper flange and laxative remedy
Between orchid, roller is set on eccentric part, and in cylinder.
Preferably, sliding slot is provided on cylinder, slide plate is provided in sliding slot, the first end elasticity of slide plate is connected to roller
On periphery wall, the second end of slide plate is slidably arranged in sliding slot.
Another aspect according to the present utility model provides a kind of compressor, and including pump assembly, which is upper
The pump assembly stated.
Pump assembly provided by the utility model, including bent axle, upper flange and lower flange, the bent axle include with it is described on
The matched long axis of flange and with the matched short axle of the lower flange, the axial height of the long axis diameter of axle and the upper flange
Between ratio range be 0.25~0.45；And/or the ratio between the short axle diameter of axle and the axial height of the lower flange
Scope is 0.55~0.75.By limiting the ratio relation between the long axis diameter of axle and upper flange axial height, long axis axis can be made
Footpath is in suitable matching range with upper flange axial height, can either ensure loading ability of bearing requirement, and can reduce rubbing surface
Product reduces the friction power loss between long axis and upper flange；By limit by limit the short axle diameter of axle and lower flange axial height it
Between ratio relation, the short axle diameter of axle and lower flange axial height can be made to be in suitable matching range, can either ensure bearing
Bearing requirements, and friction area can be reduced, reduce the friction power loss between short axle and lower flange, so that compressor is full
On the premise of sufficient performance and reliability, the friction power loss of compressor is further reduced, improves compressor efficiency.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of the pump assembly of the utility model embodiment；
Fig. 2 is the A-A of Fig. 1 to structure diagram；
Fig. 3 is the dimensional structure figure of the pump assembly of the utility model embodiment；
Fig. 4 is the dimensional structure figure of the upper flange of the pump assembly of the utility model embodiment；
Fig. 5 is the dimensional structure figure of the lower flange of the pump assembly of the utility model embodiment；
Fig. 6 is the dimensional structure figure of the bent axle of the pump assembly of the utility model embodiment；
Fig. 7 is the bent axle major diameter of the pump assembly of the utility model embodiment and upper flange height ratio and compressor
The curve relation figure of power；
Fig. 8 is the bent axle minor axis diameter of the pump assembly of the utility model embodiment and lower flange height ratio and compressor
The curve relation figure of power；
Fig. 9 is the schematic cross-sectional view of the compressor of the utility model embodiment.
Reference numeral is expressed as：
1st, bent axle；2nd, upper flange；3rd, lower flange；4th, long axis；5th, short axle；6th, eccentric part；7th, cylinder；8th, roller；9th, slide plate.
Specific embodiment
Bearing arrangement (system of upper and lower flange and bent axle composition) meets certain flange height, axis under certain diameter of axle
Carrying has just met design requirement, increases flange height to carrying without effect, increases friction area, Zhi Nengzeng instead
Add the friction power loss of bearing.If but if flange height is too low, although friction area is small, loading ability of bearing may be unsatisfactory for and led
Cause is worn, and increases mechanical friction power consumption.The design of the long axis diameter of axle is excessive to cause friction area to become larger, and power consumption can also become larger, axis
Footpath crosses small crankshaft amount of deflection and becomes larger, and can also influence mechanical friction power consumption, it is therefore desirable to which companion flange high integrity is assessed.
According to above-mentioned analysis, with reference to shown in referring to Fig. 1 to Fig. 8, embodiment according to the present utility model, pump assembly bag
Include bent axle 1, upper flange 2 and lower flange 3, bent axle 1 includes and 2 matched long axis 4 of upper flange and matched short with lower flange 3
Axis 5, the ratio range between 4 diameter of axle of long axis and the axial height of upper flange 2 are 0.25~0.45；And/or 5 diameter of axle of short axle with
Ratio range between the axial height of lower flange 3 is 0.55~0.75.
By limiting the ratio relation between 2 axial height of the long axis diameter of axle and upper flange, the long axis diameter of axle and upper method can be made
Blue 2 axial heights are in suitable matching range, can either ensure loading ability of bearing requirement, and can reduce friction area, reduce
Friction power loss between long axis 4 and upper flange 2；By limiting by limiting between 3 axial height of the short axle diameter of axle and lower flange
Ratio relation can make the short axle diameter of axle be in suitable matching range with 3 axial height of lower flange, can either ensure loading ability of bearing
It is required that and friction area can be reduced, reduce the friction power loss between short axle 5 and lower flange 3, so that compressor is meeting
On the premise of performance and reliability, the friction power loss of compressor is further reduced, improves compressor efficiency.
Preferably, the ratio range between 4 diameter of axle of long axis and the axial height of upper flange 2 is 0.3~0.4；It is and/or short
Ratio range between 5 diameter of axle of axis and the axial height of lower flange 3 is 0.6~0.7.
With reference to shown in referring to Fig. 7 and Fig. 8, found by theoretical calculation and simulation analysis, with the increase of upper flange height,
Increased trend after compressor work, mechanical friction loss and power input to machine are all first reduced there are one；In crankshaft diameter
In the case of constant, only change upper flange height or design is not that flange is higher or more there are optimal value during lower flange height
It is low better, it is found by experiment that the long axis diameter of axle and upper flange height ratio friction power loss between 0.3~0.4 are minimum, bent axle is short
Friction power loss is minimum when axis and the ratio of lower flange height are between 0.6-0.7.
It is highly preferred that the ratio range between 4 diameter of axle of long axis and the axial height of upper flange 2 is 0.35；And/or short axle 5
Ratio range between the axial height of the diameter of axle and lower flange 3 is 0.65.
In the above embodiments, 5 axis of ratio range and short axle between 4 diameter of axle of long axis and the axial height of upper flange 2
Ratio range between the axial height of footpath and lower flange 3 meets the frictional work that can effectively reduce compressor there are one only needing
Consumption, improves the working performance of compressor, when the two meets simultaneously, compressor friction power loss can be greatly reduced, and is ensureing to press
The friction power loss for making compressor on the premise of contracting machine reliability and performance is minimum, compressor efficiency highest so that the work of compressor
Make performance significantly to be promoted.
Preferably, the axial height of upper flange is 30 to 55mm.It is highly preferred that the axial height of upper flange 2 is 44mm, from
And so that the axial height and the long axis diameter of axle of upper flange when meeting above range, can more efficiently ensure that compressor is reliable
Property and performance, while so that the friction power loss of compressor is minimum.
Preferably, the axial height of lower flange is 15 to 40mm.It is highly preferred that the axial height of lower flange is 20mm, from
And so that the axial height and the short axle diameter of axle of lower flange when meeting above range, can more efficiently ensure that compressor is reliable
Property and performance, while so that the friction power loss of compressor is minimum.
In general, during using above-mentioned ratio range, different upper flange axial height values and the long axis diameter of axle take
Value, being influenced for the Energy Efficiency Ratio of compressor can be otherwise varied, when the upper flange axial height of selection and long axis diameter of axle numeric ratio
When appropriate, more obvious, the friction power loss smaller of compressor is promoted to the Energy Efficiency Ratio of compressor, working performance is promoted brighter
It is aobvious.It by substantial amounts of Test Summary and analogue simulation, can know, for the application, be elected to above-mentioned upper flange
Axial height and the long axis diameter of axle ratio range when, when using preferred upper flange axial height scope, according to above-mentioned ratio
Scope can correspondingly determine long axis diameter of axle scope, and after being matched with this, the efficiency enhancement effect of compressor is more obvious,
The efficiency that works is promoted better.
Similarly, for the application, when using above-mentioned lower flange axial height with short axle diameter of axle ratio range,
During using preferred lower flange axial height scope, short axle diameter of axle scope can correspondingly be determined according to above-mentioned ratio range, with
After this is matched, the efficiency enhancement effect of compressor is more obvious, and work efficiency is promoted better.
Preferably, bent axle 1 further includes eccentric part 6, and pump assembly further includes cylinder 7 and roller 8, and cylinder 7 is located at upper flange 2
Between lower flange 3, roller 8 is set on eccentric part 6, and in cylinder 7.With the rotation of eccentric part, rolling can be driven
Son 8 rotates in cylinder 7, so as to complete air-breathing and bleeding.
Preferably, sliding slot is provided on cylinder 7, slide plate 9 is provided in sliding slot, the first end elasticity of slide plate 9 is connected to rolling
On the periphery wall of son 8, the second end of slide plate 9 is slidably arranged in sliding slot.The first end of slide plate 9 is connected to the periphery wall of roller 9
On, it is formed and separated for the inner cavity of cylinder, cylinder inner cavity can be made to form high pressure chest and low pressure chamber, can be carried out by low pressure chamber
Action can be exhausted by high pressure chest in aspiratory action, so as to be readily achieved the gas compression processes of compressor.
With reference to shown in Figure 9, embodiment according to the present utility model, compressor includes pump assembly, the pump assembly
For above-mentioned pump assembly.
For those skilled in the art it is easily understood that on the premise of not conflicting, above-mentioned each advantageous manner can be free
Ground combination, superposition.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.The above is only the preferred embodiment of the utility model, it is noted that for the art
For those of ordinary skill, on the premise of the utility model technical principle is not departed from, several improvement and modification can also be made,
These improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of pump assembly, which is characterized in that including bent axle (1), upper flange (2) and lower flange (3), bent axle (1) bag
Include with the upper flange (2) matched long axis (4) and with the lower flange (3) matched short axle (5), the long axis (4)
Ratio range between the axial height of the diameter of axle and the upper flange (2) is 0.25~0.45；And/or short axle (5) diameter of axle
Ratio range between the axial height of the lower flange (3) is 0.55~0.75.
2. pump assembly according to claim 1, which is characterized in that long axis (4) diameter of axle and the upper flange (2)
Ratio range between axial height is 0.3~0.4；And/or the axial height of short axle (5) diameter of axle and the lower flange (3)
Ratio range between degree is 0.6~0.7.
3. pump assembly according to claim 2, which is characterized in that long axis (4) diameter of axle and the upper flange (2)
Ratio range between axial height is 0.35；And/or the axial height of short axle (5) diameter of axle and the lower flange (3) it
Between ratio range be 0.65.
4. pump assembly according to any one of claim 1 to 3, which is characterized in that the axial height of the upper flange (2)
It spends for 30 to 55mm.
5. pump assembly according to claim 4, which is characterized in that the axial height of the upper flange (2) is 44mm.
6. pump assembly according to any one of claim 1 to 3, which is characterized in that the axial height of the lower flange (3)
It spends for 15 to 40mm.
7. pump assembly according to claim 6, which is characterized in that the axial height of the lower flange (3) is 20mm.
8. pump assembly according to any one of claim 1 to 3, which is characterized in that the bent axle (1) further includes bias
Portion (6), the pump assembly further include cylinder (7) and roller (8), the cylinder (7) be located at the upper flange (2) and it is described under
Between flange (3), the roller (8) is set on the eccentric part (6), and in the cylinder (7).
9. pump assembly according to claim 8, which is characterized in that be provided with sliding slot, the sliding slot on the cylinder (7)
Slide plate (9) is inside provided with, the first end elasticity of the slide plate (9) is connected on the periphery wall of the roller (8), the slide plate
(9) second end is slidably arranged in the sliding slot.
10. a kind of compressor, including pump assembly, which is characterized in that the pump assembly is any one of claim 1 to 9
The pump assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721366332.7U CN207437356U (en) | 2017-10-23 | 2017-10-23 | Pump assembly and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721366332.7U CN207437356U (en) | 2017-10-23 | 2017-10-23 | Pump assembly and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207437356U true CN207437356U (en) | 2018-06-01 |
Family
ID=62292766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721366332.7U Active CN207437356U (en) | 2017-10-23 | 2017-10-23 | Pump assembly and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207437356U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882727A (en) * | 2017-10-23 | 2018-04-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump assembly and compressor |
-
2017
- 2017-10-23 CN CN201721366332.7U patent/CN207437356U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882727A (en) * | 2017-10-23 | 2018-04-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump assembly and compressor |
| CN107882727B (en) * | 2017-10-23 | 2024-07-02 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body assembly and compressor |
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