CN206738167U - Rotary compressor and its pump housing - Google Patents
Rotary compressor and its pump housing Download PDFInfo
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- CN206738167U CN206738167U CN201720478012.4U CN201720478012U CN206738167U CN 206738167 U CN206738167 U CN 206738167U CN 201720478012 U CN201720478012 U CN 201720478012U CN 206738167 U CN206738167 U CN 206738167U
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- pump housing
- rotary compressor
- slide plate
- piston
- hardness
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Abstract
The utility model discloses a kind of rotary compressor and its pump housing, the pump housing includes cylinder, piston, slide plate, upper bearing (metal), lower bearing and bent axle, and tungsten disulfide coating is provided with least one at least part surface in the cylinder, the piston, the slide plate, the bent axle, the upper bearing (metal) and the lower bearing.According to the pump housing of the rotary compressor of the utility model embodiment, the self-lubricating capacities of slide plate, piston, bent axle, cylinder, metal (upper are enhanced, reduce coefficient of friction, improve the efficiency of compressor.
Description
Technical field
It the utility model is related to technical field of power equipment, the pump housing of more particularly to a kind of rotary compressor and include this
The rotary compressor of the pump housing.
Background technology
Rotary compressor requires more and more higher to efficiency, and correlation technique is the optimization based on structure, motor, friction pair material
Design to realize higher efficiency.For the design of compressor friction pair optimization in correlation technique, mainly pass through structure design
Optimize to improve lubricating status, to realize reduction friction power loss.
But for slide plate, piston, bent axle, cylinder, metal (upper friction pair, especially for slide plate, piston, bent axle phase
Friction pair is closed, in operating mode compared with adverse circumstances, lubricating oil viscosity is very low, and friction pair is in boundary lubrication condition, particularly slide plate
Between head and piston external diameter, slide plate side and vane slot, lubricating status is very severe, so friction power loss and abrasion are also larger.
Slide plate in correlation technique uses requirement of the nitrogen treatment with corresponding high-wearing feature, but its coefficient of friction is also larger.
Utility model content
The utility model is intended to one of technical problem at least solving in correlation technique to a certain extent.Therefore, this reality
It is to propose a kind of pump housing of rotary compressor, lubricant effect lifting, so as to improve stability with a new purpose.
The utility model also proposed a kind of rotary compressor with the pump housing.
According to the pump housing of the rotary compressor of the utility model embodiment, the pump housing include cylinder, piston, slide plate,
Upper bearing (metal), lower bearing and bent axle, the cylinder, the piston, the slide plate, the bent axle, the upper bearing (metal) and the lower axle
Hold and be provided with tungsten disulfide coating at least one at least part surface.
According to the pump housing of the rotary compressor of the utility model embodiment, enhance slide plate, piston, bent axle, cylinder, on
The self-lubricating capacities of lower bearing, reduce coefficient of friction, improve the efficiency of compressor.
In addition, according to the pump housing of the rotary compressor of the utility model above-described embodiment, can also have following additional
Technical characteristic：
In one embodiment of the present utility model, the tungsten disulfide coating is to use radio frequency-ion sputter coating process
Make.
In one embodiment of the present utility model, the model of the thickness of the tungsten disulfide coating at 0.2 micron to 5 microns
In enclosing.
In one embodiment of the present utility model, at least one upper setting in the piston, the slide plate, the bent axle
There is tungsten disulfide coating of the hardness in the range of 20HRC to 40HRC.
In one embodiment of the present utility model, the cylinder, the piston, the slide plate, the bent axle, it is described on
The surface that friction pair is formed in bearing and the lower bearing is provided with tungsten disulfide coating.
In one embodiment of the present utility model, the piston is using one kind in bearing steel, structural alloy steel, cast iron
It is made.
In one embodiment of the present utility model, in the range of the piston uses hardness as 50HRC to 65HRC and machine
The bearing steel through Overheating Treatment is made before processing；Or in the range of the piston uses hardness as 40HCR to 65HRC and machine
The preceding structural alloy steel through Overheating Treatment is made.
In one embodiment of the present utility model, the slide plate is using high-speed steel, bearing steel, stainless steel, alloy structure
One kind in steel is made.
In one embodiment of the present utility model, the slide plate as base material and carries out heat using high speed steel or stainless steel
Processing, in the range of hardness is 40HRC to 65HRC after heat treatment, nitrogen treatment is then carried out after coarse-fine processing and forms nitrogen
Change layer, nitration case hardness is not less than 900HV.
In one embodiment of the present utility model, the slide plate is using bearing steel as base material and through Overheating Treatment, heat
In the range of hardness is 50HRC to 65HRC after processing.
In one embodiment of the present utility model, the slide plate using structural alloy steel as base material and through overheat at
Reason, in the range of hardness is 40HRC to 65HRC after heat treatment.
In one embodiment of the present utility model, in the bent axle, the cylinder, the upper bearing (metal), the lower bearing
At least one one kind using in cast iron, carbon steel be made.
In one embodiment of the present utility model, the bent axle uses carbon steel for base material and through Overheating Treatment, at heat
In the range of hardness is 20HRC to 50HRC after reason.
In one embodiment of the present utility model, the cylinder, the upper bearing (metal) and the gray iron of lower bearing use
Or carbon steel is made.
In one embodiment of the present utility model, in the cylinder, the upper bearing (metal) and the lower bearing at least
One uses the hardness after Overheating Treatment and heat treatment to be made up of the carbon steel in the range of 20HRC to 50HRC.
The utility model also proposed a kind of rotary compressor, including housing, motor and the pump housing, the motor and described
The pump housing is each provided in the housing, and the motor is connected with the pump housing, and the pump housing is to appoint according in claim 1-15
The pump housing of compressor described in one.
Brief description of the drawings
Fig. 1 is the schematic diagram of the pump housing of the compressor of the utility model one embodiment.
Reference：The pump housing 1, cylinder 11, piston 12, slide plate 13, upper bearing (metal) 15, lower bearing 16, bent axle 14,
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
The pump housing 1 of the rotary compressor of the utility model embodiment is described with reference to the accompanying drawings.
Such as Fig. 1, according to the pump housing 1 of the rotary compressor of the utility model embodiment, the pump housing 1 includes cylinder 11, piston
12nd, slide plate 13, upper bearing (metal) 15, lower bearing 16 and bent axle 14, cylinder 11, piston 12, slide plate 13, bent axle 14, upper bearing (metal) 15 and under
In bearing 16 tungsten disulfide coating is provided with least one at least part surface.
The utility model enhances slide plate 13, piston 12, bent axle 14, cylinder 11, the self-lubricating capacities of metal (upper 16, drop
Low coefficient of friction, improve the efficiency of compressor.
According to the pump housing 1 of the rotary compressor of the utility model embodiment, coated on the surface of at least part part
There is tungsten disulfide figure layer, the lubricant effect of piece surface can be improved, so as to reduce the abrasion in part running, and carry
Friction can be reduced while rising lubricant effect, so as to reduce heat caused by friction in part running, reduces energy damage
Consumption, so as to improve the utilization rate of energy.
It is fewer or relatively slower to be additionally, since frictional heat, therefore, the temperature rise ratio of lubricating oil is relatively low, reduces lubricating oil
Evaporation rate, the loss of lubricating oil can be not only reduced, but also the influence to environment, energy-conserving and environment-protective can be reduced.
The technical scheme of tungsten disulfide coating is set at least to be improved relative to other schemes, self-lubricating effect in the application
30%.
In addition, according to the pump housing 1 of the rotary compressor of the utility model above-described embodiment, can also have following additional
Technical characteristic：
In one embodiment of the present utility model, tungsten disulfide coating is made using radio frequency-ion sputter coating process
's.By the technique of the plated film of ion sputtering, the adhesive force of tungsten disulfide coating on the surface of the workpiece can be improved, in compressor
In running, the preferable adhesion effect of tungsten disulfide, the abrasion of tungsten disulfide coating can be avoided or reduce, so as to extend pump
The service life of body 1, and the fault rate of the pump housing 1 is reduced, so as to reduce the maintenance cost of the pump housing 1.
Certainly, can also be in the surface attachment tungsten disulfide coating of component using other modes.
In actual use, the too thick of tungsten disulfide may result in complex process or cost is high, and tungsten disulfide
It is too thin to may result in lubrication actual effect, moreover, inevitably abrasion easilys lead to lubricate quick reality in machine running process
Effect, therefore, in one embodiment of the present utility model, the scope of the thickness of tungsten disulfide coating at 0.2 micron to 5 microns
It is interior.Be tungsten disulfide coating thickness in an appropriate scope, moreover, being found during actually detected, in this
In the range of tungsten disulfide coating lubricant effect it is more excellent, so as to further improve the pump housing 1 lubricant effect.
Certainly, the thickness of the tungsten disulfide of foregoing description is only some specific examples of the present utility model, it is impossible to is understood
For the limitation to scope of protection of the utility model, the thickness of tungsten disulfide of the present utility model might be less that 0.2 micron or big
In 5 microns, that is to say, that in the utility model the thickness of tungsten disulfide can be 0.1 micron, 0.2 micron, 0.5 micron, it is 2 micro-
Rice, 5 microns, 5.5 microns, 10 microns etc..
In one embodiment of the present utility model, it is at least one in piston 12, slide plate 13, bent axle 14 on be provided with hardness
Tungsten disulfide coating in the range of 20HRC to 40HRC.Tungsten disulfide of the hardness in the range of 20HRC to 40HRC applies
Layer, its lubricant effect is relatively good, can further reduce abrasion.
Preferably, the table of friction pair is formed in cylinder 11, piston 12, slide plate 13, bent axle 14, upper bearing (metal) 15 and lower bearing 16
Face is provided with tungsten disulfide coating.
In one embodiment of the present utility model, piston 12 is using a kind of system in bearing steel, structural alloy steel, cast iron
Into.So that piston 12 has higher structural strength and anti-wear performance.
For example, in an example of the present utility model, in the range of piston 12 uses hardness as 50HRC to 65HRC and
The bearing steel through Overheating Treatment is made before machining.
In another example of the present utility model, in the range of piston 12 uses hardness as 40HCR to 65HRC and machine
The preceding structural alloy steel through Overheating Treatment is made.
In some embodiments of the utility model, slide plate 13 is using high-speed steel, bearing steel, stainless steel, structural alloy steel
In one kind be made.
Further, in an example of the present utility model, slide plate 13 using high speed steel or stainless steel as base material simultaneously
It is heat-treated, in the range of hardness is 40HRC to 65HRC after heat treatment, nitrogen treatment is then carried out after coarse-fine processing
Nitration case is formed, nitration case hardness is not less than 900HV.
In another example, slide plate 13 is using bearing steel as base material and through Overheating Treatment, and hardness is 50HRC after heat treatment
To in the range of 65HRC.
In another example, slide plate 13 is using structural alloy steel as base material and through Overheating Treatment, and hardness is after heat treatment
In the range of 40HRC to 65HRC.
In one embodiment of the present utility model, at least one in bent axle 14, cylinder 11, upper bearing (metal) 15, lower bearing 16
Individual one kind using in cast iron, carbon steel is made.
Further, bent axle 14 uses carbon steel for base material and through Overheating Treatment, hardness arrives for 20HRC after heat treatment
In the range of 50HRC.
In one embodiment of the present utility model, gray iron or carbon that cylinder 11, upper bearing (metal) 15 use with lower bearing 16
Plain steel is made.
Further, in cylinder 11, upper bearing (metal) 15 and lower bearing 16 it is at least one using through Overheating Treatment and heat at
Hardness is made up of the carbon steel in the range of 20HRC to 50HRC after reason.
Slide plate 13 that the utility model uses, piston 12, bent axle 14, the metal (upper 16 of cylinder 11, slide plate 13 employ base
Material is one kind in high-speed steel, bearing steel, stainless steel, structural alloy steel, and its at least part surface is provided with WS2 coatings；Piston
12 to employ base material be bearing steel or gray cast iron, and its at least part surface is provided with WS2 coatings, bent axle 14 employ cast iron or
Person's carbon steel, its at least part surface are provided with WS2 coatings.Cylinder 11, metal (upper 16 employ base material as gray iron, carbon steel
The surface of one kind in steel, wherein at least part is provided with WS2 coatings.Such a piston 12, slide plate 13, bent axle 14, cylinder 11, on
The secondary design of the associated friction of lower bearing 16 significantly reduces the coefficient of friction between each friction pair, while ensure that compressor work
Reliability when making.
The utility model discloses a kind of rotary compressor, rotary compressor includes housing, motor and the pump housing 1, its
In, the pump housing 1 is the pump housing 1 of foregoing compressor, that is to say, that the pump housing 1 is by cylinder 11, piston 12, slide plate 13, metal (upper
16th, bent axle 14 is formed.
The material of slide plate 13 is using one kind in high-speed steel, stainless steel, bearing steel, and slide plate 13 is after nitrogen treatment, slide plate
13 surfaces are depositing one layer of WS2 coating.The material of piston 12 uses bearing steel or cast iron, after the finishing of piston 12 on periphery
Deposit one layer of WS2 coating.The material of bent axle 14 is using one kind in spheroidal graphite cast-iron, carbon steel, in periphery after the finishing of bent axle 14
One layer of WS2 coating of upper deposition.Cylinder 11, the material of metal (upper 16 using one kind in cast iron or carbon steel, after finishing
In its at least part, WS2 coatings are set.The utility model enhances slide plate 13, piston 12, bent axle 14, cylinder 11, metal (upper
16 boundary lubrication region self-lubricating capacities, reduce coefficient of friction, improve the efficiency of compressor.
The other structures of compressor and its pump housing 1 in the utility model it is known to those skilled in the art that, this
Utility model is no longer described in detail.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with
Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area
Technical staff the different embodiments or example and the feature of different embodiments or example described in this specification can be entered
Row combines and combination.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (10)
1. a kind of pump housing of rotary compressor, the pump housing includes cylinder, piston, slide plate, upper bearing (metal), lower bearing and bent axle,
Characterized in that, at least one in the cylinder, the piston, the slide plate, the bent axle, the upper bearing (metal) and the lower bearing
Tungsten disulfide coating is provided with individual at least part surface.
2. the pump housing of rotary compressor according to claim 1, it is characterised in that the tungsten disulfide coating is to use
What radio frequency-ion sputter coating process made, the thickness of the tungsten disulfide coating is in the range of 0.2 micron to 5 microns.
3. the pump housing of rotary compressor according to claim 1, it is characterised in that the piston, the slide plate, described
In bent axle it is at least one on be provided with tungsten disulfide coating of the hardness in the range of 20HRC to 40HRC.
4. the pump housing of the rotary compressor according to any one of claim 1-3, it is characterised in that the cylinder, institute
The surface for stating composition friction pair in piston, the slide plate, the bent axle, the upper bearing (metal) and the lower bearing is provided with curing
Tungsten coating.
5. the pump housing of rotary compressor according to claim 1, it is characterised in that
The piston uses hardness by the bearing steel through Overheating Treatment is made in the range of 50HRC to 65HRC and before machining；Or
In the range of the piston uses hardness as 40HCR to 65HRC and machining before the alloy structure steel through Overheating Treatment
Into；Or
The piston is made of cast iron.
6. the pump housing of rotary compressor according to claim 1, it is characterised in that
The slide plate as base material and is heat-treated using high speed steel or stainless steel, and hardness is 40HRC to 65HRC after heat treatment
In the range of, nitrogen treatment is then carried out after coarse-fine processing and forms nitration case, nitration case hardness is not less than 900HV；Or
The slide plate is using bearing steel as base material and through Overheating Treatment, and hardness is 50HRC to 65HRC scope after heat treatment
It is interior；Or
The slide plate is using structural alloy steel as base material and through Overheating Treatment, and hardness is 40HRC to 65HRC model after heat treatment
In enclosing.
7. the pump housing of rotary compressor according to claim 1, it is characterised in that the bent axle, the cylinder, described
At least one one kind using in cast iron, carbon steel in upper bearing (metal), the lower bearing is made.
8. the pump housing of rotary compressor according to claim 7, it is characterised in that the bent axle uses carbon steel as base
Material and through Overheating Treatment, in the range of hardness is 20HRC to 50HRC after heat treatment.
9. the pump housing of rotary compressor according to claim 1, it is characterised in that the cylinder, the upper bearing (metal) with
And at least one in the lower bearing is used in the range of hardness is 20HRC to 50HRC after Overheating Treatment and heat treatment
Carbon steel is made.
10. a kind of rotary compressor, it is characterised in that including housing, motor and the pump housing, the motor and the pump housing are all provided with
In the housing, the motor is connected with the pump housing, and the pump housing is according to any one of claim 1-9
The pump housing of compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720478012.4U CN206738167U (en) | 2017-04-28 | 2017-04-28 | Rotary compressor and its pump housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720478012.4U CN206738167U (en) | 2017-04-28 | 2017-04-28 | Rotary compressor and its pump housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206738167U true CN206738167U (en) | 2017-12-12 |
Family
ID=60563349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720478012.4U Active CN206738167U (en) | 2017-04-28 | 2017-04-28 | Rotary compressor and its pump housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206738167U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949061A (en) * | 2017-04-28 | 2017-07-14 | 广东美芝制冷设备有限公司 | Rotary compressor and its pump housing |
| CN110541061A (en) * | 2019-02-27 | 2019-12-06 | 中国宁波国际合作有限责任公司 | Piston machining method and rotary compressor machining method |
-
2017
- 2017-04-28 CN CN201720478012.4U patent/CN206738167U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949061A (en) * | 2017-04-28 | 2017-07-14 | 广东美芝制冷设备有限公司 | Rotary compressor and its pump housing |
| CN110541061A (en) * | 2019-02-27 | 2019-12-06 | 中国宁波国际合作有限责任公司 | Piston machining method and rotary compressor machining method |
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