CN206429412U - Bearing of compressor and rotary compressor - Google Patents
Bearing of compressor and rotary compressor Download PDFInfo
- Publication number
- CN206429412U CN206429412U CN201720097017.2U CN201720097017U CN206429412U CN 206429412 U CN206429412 U CN 206429412U CN 201720097017 U CN201720097017 U CN 201720097017U CN 206429412 U CN206429412 U CN 206429412U
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- pressure
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- bearing
- sump
- compressor
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Abstract
The utility model discloses a kind of bearing of compressor and rotary compressor, bearing of compressor includes：Crankshaft hole, the two ends of the crankshaft hole are respectively high-pressure side and low-pressure end, the pressure of the high-pressure side is suitable to the pressure more than the low-pressure end, low-pressure tank and high pressure sump are provided with the side wall of the crankshaft hole, the high pressure sump connects the high-pressure side, and the low-pressure tank connects the low-pressure end.High pressure sump and low-pressure tank can improve the certain bearing capacity of bearing, can so improve the bearing capacity of bearing of compressor, so as to reach that bearing load is reduced, can be operated steadily with equalizer bearing load, the purpose such as reliability raising.
Description
Technical field
The utility model is related to Compressor Technology field, more particularly to a kind of bearing of compressor and with the compressor shaft
The rotary compressor held.
Background technology
In correlation technique, rotary compressor typically makes bearing using the metal material such as cast iron, bearing and bent axle and
Lubricating oil coordinates carrying live load between them, will not occur directly to contact with inside crankshaft and bearing in the live load of design
Abrasion is caused, bent axle and bearing touch cause abrasion when load exceedes Design cooling load, influence compressor reliability.It is oily in bearing
Film pressure circumferentially near parabolic shape, bearing arrangement determines that then parabolic shape is determined, bearing load carrying capacity is true
Fixed, the diameter of axle can only be increased or lengthen bearing by wanting raising bearing capacity, but is increased the diameter of axle or lengthened all direct shadow of bearing
Ring the size of bearing, and the size of the miscellaneous part of influence compressor indirectly.
Utility model content
The utility model is intended at least solve one of technical problem in correlation technique to a certain extent.Therefore, this reality
With a kind of bearing of compressor of new proposition, the bearing of compressor can lift the bearing capacity of itself.
The utility model further proposes a kind of rotary compressor.
According to bearing of compressor of the present utility model, including：Crankshaft hole, the two ends of the crankshaft hole be respectively high-pressure side and
Low-pressure end, the pressure of the high-pressure side is suitable to be provided with low pressure on the pressure more than the low-pressure end, the side wall of the crankshaft hole
Oil groove and high pressure sump, the high pressure sump connect the high-pressure side, and the low-pressure tank connects the low-pressure end.
According to bearing of compressor of the present utility model, high pressure sump and low-pressure tank can improve the carrying energy of bearing necessarily
Power, can so improve the bearing capacity of bearing of compressor, so as to reach that bearing load is reduced, can be transported with equalizer bearing load
Row is steady, the purpose such as reliability raising.
In addition, can also have following additional technical feature according to bearing of compressor of the present utility model：
In some examples of the present utility model, the high pressure sump is opened in the area that oil film pressure is less than pressure at expulsion
Domain, the low-pressure tank is opened in the minimum region of oil film pressure.
In some examples of the present utility model, compressor includes：Slide plate, using the central axis of the slide plate as 0 ° of line,
Calculate the central angle corresponding to the side wall of the crankshaft hole counterclockwise, the high pressure sump open up angle 120 ° -180 ° it
Between, or between 260 ° -320 °.
In some examples of the present utility model, the low-pressure tank opens up angle between 0 ° -180 °.
In some examples of the present utility model, the high pressure sump and the low-pressure tank are respectively along the crankshaft hole
It is axially extending and opened in the circumferentially-spaced of the crankshaft hole.
In some examples of the present utility model, the axial length of the length of the high pressure sump in the crankshaft hole
Between 30%-70%, the length of the low-pressure tank is between the 30%-70% of the axial length of the crankshaft hole.
In some examples of the present utility model, the 5%-10% of the width of the high pressure sump in the crankshaft hole girth
Between, the width of the low-pressure tank is between the 5%-10% of the crankshaft hole girth.
In some examples of the present utility model, depth of the high pressure sump on the side wall of the crankshaft hole exists
Between 0.2mm-1mm, depth of the low-pressure tank on the side wall of the crankshaft hole is between 0.2mm-1mm.
In some examples of the present utility model, between the high pressure sump and the high-pressure side, and the low pressure oil
Connectivity slot is respectively arranged between groove and the low-pressure end, the width of the connectivity slot is less than the width of the corresponding high pressure sump
The width of degree or the low-pressure tank.
According to rotary compressor of the present utility model, including：Described bearing of compressor.
Brief description of the drawings
Fig. 1-Fig. 4 is the sectional view according to the not bearing of compressor of be the same as Example of the utility model four；
Fig. 5 is the lateral partial structurtes sectional view for the compressor for being disposed with two bearings；
Fig. 6 is the front view of the bearing of compressor according to the utility model embodiment；
Fig. 7 is the load schematic diagram according to the bearing of compressor of the utility model embodiment.
Reference：
Bearing of compressor 10；
Crankshaft hole 1；High-pressure side 11；Low-pressure end 12；
High pressure sump 2；Low-pressure tank 3；Connectivity slot 5.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings.Below by
The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that new to this practicality
The limitation of type.
The bearing of compressor 10 according to the utility model embodiment is described in detail below with reference to Fig. 1-Fig. 7.
With reference to shown in Fig. 1-Fig. 4, it can be included according to the bearing of compressor 10 of the utility model embodiment：Crankshaft hole 1, it is bent
Axis hole 1 is used to coordinate with bent axle, so bearing 10 can be enabled to be set on bent axle.The two ends of crankshaft hole 1 are respectively height
Pressure side 11 and low-pressure end 12, the pressure of high-pressure side 11 is suitable to the pressure more than low-pressure end 12, for example, as shown in figure 5, bearing 10
High-pressure side 11 can be directed away from the direction of cylinder towards cylinder, the low-pressure end 12 of bearing 10.
As depicted in figs. 1 and 2, high pressure sump 2, the connection high-pressure side 11 of high pressure sump 2 are provided with the side wall of crankshaft hole 1.
As shown in Figure 3 and Figure 4, low-pressure tank 3, the connection low-pressure end 12 of low-pressure tank 3 are provided with the side wall of crankshaft hole 1.
Moreover, with reference to shown in Fig. 1-Fig. 4, between high pressure sump 2 and high-pressure side 11, and low-pressure tank 3 and low-pressure end 12
Between be respectively arranged with connectivity slot 5, the width of connectivity slot 5 is less than the width of corresponding high pressure sump 2 or the width of low-pressure tank 3
Degree.That is, connectivity slot 5 can be used for connecting corresponding high-pressure side 11 and high pressure sump 2, and it is corresponding low for connecting
Pressure side 12 and low-pressure tank 3.It should be noted that the width by rationally setting connectivity slot 5, can cause lubricating oil flow suitable
It is smooth and flow is suitable.
So extreme pressure lubricant can be entered in high pressure sump 2 by connectivity slot 5, and low pressure lubricating oil can pass through connection
Groove 5 is entered in low-pressure tank 3.As shown in fig. 7, whether setting what high pressure sump 2 produced to meet curve and can obtain by contrast
Know, high pressure sump 2 can provide 1,000 Ns of bearing capacities, correspondingly, low-pressure tank 3 can also improve the certain carrying energy of bearing 10
Power, can so improve the bearing capacity of bearing of compressor 10, can be with the load of equalizer bearing 10, so as to reach that the load of bearing 10 subtracts
It is few, operate steadily, the purpose such as reliability raising.
Alternatively, high pressure sump 2 is opened in the region that oil film pressure is less than pressure at expulsion, so as to avoid reducing oil film
Pressure risk.Moreover, high pressure sump 2 is opened in the supporting region of bearing 10, so as to increase the bearing capacity of bearing 10.
Low-pressure tank 3 is opened in the minimum region of oil film pressure.Low-pressure tank 3 can be opened in the non-bearing area of bearing 10,
Supporting region back pressure can be so reduced, the load of bearing 10 is reduced.
Further, as shown in figure 5, compressor can include：Slide plate (not shown), using the central axis of slide plate as 0 °
Line, calculates the central angle corresponding to the side wall of crankshaft hole 1 counterclockwise, and high pressure sump 2 opens up angle between 120 ° -180 °,
Or between 260 ° -320 °.As depicted in figs. 1 and 2, the quantity of high pressure sump 2 is not limited, and the quantity of high pressure sump 2 can be with
For one, certainly, the quantity of high pressure sump 2 can also be two, when the quantity of high pressure sump 2 is one, high pressure sump 2
Open up angle can between 120 ° -180 °, or, the angle that opens up of high pressure sump 2 can be between 260 ° -320 °.Work as height
When the quantity of pressure oil groove 2 is two, the angle that opens up of a high pressure sump 2 can be between 120 ° -180 °, another hydraulic oil
The angle that opens up of groove 2 can be between 260 ° -320 °.Wherein, the maximum load area of bearing 10 opens up angle at 200 ° -240 °
Between.Position so by reasonable Arrangement high pressure sump 2 in the circumferential, can preferably improve the carrying of bearing of compressor 10
Ability.
Alternatively, the angle that opens up of low-pressure tank 3 can be between 0 ° -180 °.Wherein as shown in Figure 3 and Figure 4, low pressure oil
The quantity of groove 3 is not limited, and the quantity of low-pressure tank 3 can be one, certainly, and the quantity of low-pressure tank 3 can also be two.
By the position of reasonable Arrangement low-pressure tank 3 in the circumferential, the load of bearing of compressor 10 can be preferably reduced.
According to a preferred embodiment of the present utility model, as shown in figures 1 and 3,3 points of high pressure sump 2 and low-pressure tank
Not along the axially extending of crankshaft hole 1, and high pressure sump 2 and low-pressure tank 3 are opened in the circumferentially-spaced of crankshaft hole 1.It is axially extending
High pressure sump 2 and low-pressure tank 3 can ensure the structural reliability of bearing of compressor 10, and be conducive to lubricating oil in it
Flow in portion.In addition, by the way that high pressure sump 2 and low-pressure tank 3 are opened in the circumferentially-spaced of crankshaft hole 1, high pressure sump 2 can be avoided
With interfering with each other for low-pressure tank 3, the functional reliability of bearing of compressor 10 can be better ensured that.
Alternatively, the length of high pressure sump 2 can be between the 30%-70% of the axial length of crankshaft hole 1, low-pressure tank
3 length can be between the 30%-70% of the axial length of crankshaft hole 1.Specifically, the length and low pressure oil of high pressure sump 2
The length of groove 3 can be set according to the bearing capacity of required bearing of compressor 10, can so ensure bearing of compressor 10
While structure is reliable, required bearing capacity is obtained.
Alternatively, the width of high pressure sump 2 can be between the 5%-10% of the girth of crankshaft hole 1, the width of low-pressure tank 3
Can be between the 5%-10% of the girth of crankshaft hole 1.So, the width suitable of the width of high pressure sump 2 and low-pressure tank 3, can
With the reliability for the inwall for avoiding high pressure sump 2 and the influence bearing of compressor 10 of low-pressure tank 3.
Alternatively, depth of the high pressure sump 2 on the side wall of crankshaft hole 1 is between 0.2mm-1mm, and low-pressure tank 3 is in song
Depth on the side wall of axis hole 1 is between 0.2mm-1mm.Meet the depth and low-pressure tank 3 of the high pressure sump 2 of above range
Depth can play a part of avoiding pressure release and throttling at least to some extent.
According to the bearing of compressor 10 of the rotary compressor of the utility model embodiment, including above-described embodiment.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present utility model or example.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 not be the same as Example or the feature of example and non-be the same as Example or example described in this specification can be entered
Row is combined and combined.
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 scope of the present utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (10)
1. a kind of bearing of compressor, it is characterised in that including：Crankshaft hole, the two ends of the crankshaft hole are respectively high-pressure side and low
Pressure side, the pressure of the high-pressure side is suitable to be provided with low pressure oil on the pressure more than the low-pressure end, the side wall of the crankshaft hole
Groove and high pressure sump, the high pressure sump connect the high-pressure side, and the low-pressure tank connects the low-pressure end.
2. bearing of compressor according to claim 1, it is characterised in that the high pressure sump is opened in oil film pressure and is less than
The region of pressure at expulsion, the low-pressure tank is opened in the minimum region of oil film pressure.
3. bearing of compressor according to claim 1, it is characterised in that compressor includes：Slide plate, with the slide plate
Heart axis is 0 ° of line, calculate the central angle corresponding to the side wall of the crankshaft hole counterclockwise, and the high pressure sump opens up angle
Between 120 ° -180 °, or between 260 ° -320 °.
4. bearing of compressor according to claim 3, it is characterised in that the low-pressure tank open up angle 0 °-
Between 180 °.
5. bearing of compressor according to claim 1, it is characterised in that the high pressure sump and low-pressure tank difference
Opened along the axially extending of the crankshaft hole and in the circumferentially-spaced of the crankshaft hole.
6. bearing of compressor according to claim 5, it is characterised in that the length of the high pressure sump is in the crankshaft hole
Axial length 30%-70% between, the 30%-70% of the length of the low-pressure tank in the axial length of the crankshaft hole
Between.
7. bearing of compressor according to claim 5, it is characterised in that the width of the high pressure sump is in the crankshaft hole
Between the 5%-10% of girth, the width of the low-pressure tank is between the 5%-10% of the crankshaft hole girth.
8. bearing of compressor according to claim 5, it is characterised in that side wall of the high pressure sump in the crankshaft hole
On depth between 0.2mm-1mm, depth of the low-pressure tank on the side wall of the crankshaft hole 0.2mm-1mm it
Between.
9. bearing of compressor according to claim 5, it is characterised in that between the high pressure sump and the high-pressure side,
And connectivity slot is respectively arranged between the low-pressure tank and the low-pressure end, the width of the connectivity slot is less than corresponding institute
State the width of high pressure sump or the width of the low-pressure tank.
10. a kind of rotary compressor, it is characterised in that including：Compressor shaft according to any one of claim 1-9
Hold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720097017.2U CN206429412U (en) | 2017-01-24 | 2017-01-24 | Bearing of compressor and rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720097017.2U CN206429412U (en) | 2017-01-24 | 2017-01-24 | Bearing of compressor and rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206429412U true CN206429412U (en) | 2017-08-22 |
Family
ID=59591779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720097017.2U Withdrawn - After Issue CN206429412U (en) | 2017-01-24 | 2017-01-24 | Bearing of compressor and rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206429412U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640659A (en) * | 2017-01-24 | 2017-05-10 | 广东美芝制冷设备有限公司 | Compressor bearing and rotary compressor |
| CN108730184A (en) * | 2017-04-25 | 2018-11-02 | 日立江森自控空调有限公司 | Motor compressor |
-
2017
- 2017-01-24 CN CN201720097017.2U patent/CN206429412U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640659A (en) * | 2017-01-24 | 2017-05-10 | 广东美芝制冷设备有限公司 | Compressor bearing and rotary compressor |
| CN106640659B (en) * | 2017-01-24 | 2018-10-02 | 广东美芝制冷设备有限公司 | Bearing of compressor and rotary compressor |
| CN108730184A (en) * | 2017-04-25 | 2018-11-02 | 日立江森自控空调有限公司 | Motor compressor |
| CN108730184B (en) * | 2017-04-25 | 2020-05-12 | 日立江森自控空调有限公司 | Electric compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170822 Effective date of abandoning: 20181002 |
|
| AV01 | Patent right actively abandoned |