CN207393471U - A kind of screw compressor with lubrication system - Google Patents
A kind of screw compressor with lubrication system Download PDFInfo
- Publication number
- CN207393471U CN207393471U CN201721352463.XU CN201721352463U CN207393471U CN 207393471 U CN207393471 U CN 207393471U CN 201721352463 U CN201721352463 U CN 201721352463U CN 207393471 U CN207393471 U CN 207393471U
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- China
- Prior art keywords
- bearing seat
- air channel
- orbiter
- main bearing
- lubrication system
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Abstract
The utility model discloses a kind of screw compressor with lubrication system, including：Housing and it is arranged at the in vivo orbiter of shell, fixed scroll, main bearing seat and drive component, the inner space of housing is separated into the space one being relatively isolated and space two by main bearing seat, compressor air suction mouth is arranged at space one, and vortex air entry is arranged at space two；Main bearing seat forms cavity between the front end face of orbiter and the back side of orbiter, it is equipped with to place the bearing hole of base bearing on main bearing seat, the first air channel is equipped on the outside of bearing hole and/or its hole wall, first air channel is along the axially extending of bearing hole, first air channel is connected with compressor air suction mouth, the second air channel is equipped in the cavity wall of cavity, the second air channel connects the first air channel with vortex air entry.The utility model adds main bearing seat and avoids gases at high pressure loss, improves the volumetric efficiency of compressor.Bearing is cooled, improves reliability, reduces bearing power consumption.
Description
Technical field
The utility model is related to a kind of compressors, and in particular to a kind of screw compressor with lubrication system.
Background technology
Oil sump is arranged at vertical vortex bottom, and lubricating oil is delivered to bearing and is lubricated by generally use centrifugal oil pump.
Oil sump is arranged at the vertical frequency-changing cyclone compressor as disclosed in US88107951, bottom, and generally use volumetric oil pump is defeated by lubricating oil
It send to bearing and is lubricated.
Horizontal type scroll compressor bottom shown in generally use US6152713, will be vented indoor lubricating oil and pass through without oil sump
Circuit introduces back pressure cavity, and bearing is lubricated to improve the oil content in circuit, exhaust outlet is usually provided with oil eliminator,
Relief valve is usually provided in back pressure cavity, to prevent that Pressure in Back-pressure Cavity is excessively high.It has the disadvantages that：1) system is contained in oil return
Cryogen, compressor mass flow loss, reduces refrigerant system efficiency.If 2) back pressure cavity hypertonia, vortex end face will be increased
Friction loss.
Utility model content
In order to solve the above-mentioned technical problem, the utility model proposes a kind of screw compressors with lubrication system.
In order to achieve the above object, the technical solution of the utility model is as follows：
A kind of screw compressor with lubrication system, including：Housing, orbiter, fixed scroll and drive component move
Compression chamber is formed between scroll plate and fixed scroll, orbiter, fixed scroll and drive component are arranged in housing, driving
Component includes：Stator, rotor and bent axle, bent axle are sequentially connected with orbiter, further include main bearing seat, main bearing seat is arranged at
In housing, the inner space of housing is separated into the space one being relatively isolated and space two by main bearing seat, and compressor air suction mouth is set
Space one is placed in, vortex air entry is arranged at space two；
Main bearing seat forms cavity between the front end face of orbiter and the back side of orbiter, on main bearing seat
Equipped with for placing the bearing hole of base bearing, base bearing is sheathed on the outside of bent axle, is set on the outside of bearing hole and/or its hole wall
There is the first air channel, the first air channel is along the axially extending of bearing hole, and the first air channel is connected with compressor air suction mouth, in cavity
Cavity wall be equipped with the second air channel, the second air channel connects the first air channel with vortex air entry.
The utility model adds main bearing seat, and the inner space of housing is separated into two parts by main bearing seat, is respectively phase
To the space one of isolation and space two, so that vortex air entry and the isolation of compressor air suction mouth, only leave the first air channel
Compressor air suction mouth is connected with vortex air entry with the second air channel.Air-breathing when orbiter works, refrigerant is by compressor
Air entry enters, and flows through motor hole slot, the first air channel, and the lubricating oil in refrigerant is also drawn into, base bearing and driving bearing
Lubrication, then enter vortex air entry through the second air channel.
Compared with prior art, the utility model has the advantages that：1) gases at high pressure loss is avoided, is improved
The volumetric efficiency of compressor.2) bearing is cooled, improves reliability, reduces bearing power consumption.
Based on the above technical solutions, following improvement can also be done：
As preferred scheme, step groove is equipped on main bearing seat, bearing hole is arranged in step groove.
Using the above preferred scheme, more reasonable structure.
As preferred scheme, the second air channel is arranged at the front end face of main bearing seat, and the second air channel is along base bearing
Seat radially extends.
Using the above preferred scheme, more reasonable structure.
As preferred scheme, one or more positioning pins, fixed scroll and positioning pin gap are equipped on main bearing seat
Cooperation.
Using the above preferred scheme, it is more convenient to install.
As preferred scheme, housing includes：First shell portion and head cover, orbiter, fixed scroll, main bearing seat
And drive component is arranged in first shell portion, top surface and the head cover floating connection of fixed scroll.
Using the above preferred scheme, more reasonable structure.
As preferred scheme, back pressure cavity is formed between the top surface and head cover of fixed scroll, back pressure cavity is connected with compression chamber.
Using the above preferred scheme, fixed scroll is pressed to orbiter by Pressure in Back-pressure Cavity, and fixed scroll can be along its axis
To floating.
As preferred scheme, stator is fixedly installed in the inner circumferential wall in first shell portion, and crank rotation is connected to
The both side ends of one housing section, rotor are arranged and are sequentially connected on the outer surface of bent axle, and rotor is engaged setting with stator.
Using the above preferred scheme, it is more convenient to install.
As preferred scheme, orbiter is connected by cross slip-ring with main bearing seat.
Using the above preferred scheme, prevent orbiter from rotating.
As preferred scheme, the second air channel is arranged at the back side of orbiter, and the second air channel is along orbiter
Radially extend.
Using the above preferred scheme, the second air channel can also be arranged at the back side of orbiter.
As preferred scheme, the annular protrusion with bearing hole concentric is equipped on the front end face of main bearing seat, second
Air channel is arranged on annular protrusion.
Using the above preferred scheme, the position of the second air channel is more reasonable.
Description of the drawings
Fig. 1 is a kind of sectional view for screw compressor with lubrication system that the utility model embodiment provides.
When Fig. 2 is that a kind of screw compressor with lubrication system that the utility model embodiment provides works, gas circulation
Route map.
Fig. 3 is one of structure diagram of main bearing seat that the utility model embodiment provides.
Fig. 4 is the top view for the main bearing seat that the utility model embodiment provides.
Fig. 5 is the knot of orbiter, fixed scroll, drive component and main bearing seat that the utility model embodiment provides
Structure schematic diagram.
Fig. 6 is the second structural representation for the main bearing seat that the utility model embodiment provides.
Fig. 7 is the sectional view for the main bearing seat that the utility model embodiment provides.
Wherein：Orbiter 1, fixed scroll 2, stator 3, rotor 4, bent axle 5, main bearing seat 6, bearing hole 61, ladder are recessed
Slot 62, annular protrusion 63, positioning pin 64, compressor air suction mouth 71, vortex air entry 72, base bearing 8, the first air channel 91,
Two air channels 92, first shell portion 10, head cover 11, cross slip-ring 12, driving bearing 13, one a of space, two b of space.
Specific embodiment
The preferred embodiment of the utility model is described in detail below in conjunction with the accompanying drawings.
As illustrated in fig. 1 and 2, in order to reach the purpose of this utility model, a kind of screw compressor with lubrication system its
In in some embodiments, a kind of screw compressor with lubrication system includes：Housing, orbiter 1, fixed scroll 2 and drive
Dynamic component, forms compression chamber between orbiter 1 and fixed scroll 2, orbiter 1, fixed scroll 2 and drive component are set
In in housing, drive component includes：Stator 3, rotor 4 and bent axle 5, bent axle 5 are sequentially connected with orbiter 1, further include main shaft
Bearing 6, main bearing seat 6 are arranged in housing, and the inner space of housing is separated into one a of space being relatively isolated by main bearing seat 6
With two b of space, compressor air suction mouth 71 is arranged at one a of space, and vortex air entry 72 is arranged at two b of space；
Main bearing seat 6 forms cavity between the front end face of orbiter 1 and the back side of orbiter 1, in base bearing
Seat 6 is equipped with to place the bearing hole 61 of base bearing 8, and base bearing 8 is sheathed on 5 outside of bent axle, on the hole wall of bearing hole 61
Equipped with the first axially extending air channel 91 along bearing hole 61, the first air channel 91 is connected with compressor air suction mouth 71, in chamber
The cavity wall of body is equipped with the second air channel 92, and the second air channel 92 connects the first air channel 91 with vortex air entry 72.
The utility model adds main bearing seat 6, and the inner space of housing is separated into two parts by main bearing seat 6, is respectively
Two b of one a of space and space being relatively isolated so that vortex air entry 72 and compressor air suction mouth 71 are isolated, only leaves
One air channel 91 connects compressor air suction mouth 71 with vortex air entry 72 with the second air channel 92.Orbiter 1 is inhaled when working
Gas, refrigerant are entered by compressor air suction mouth 71, flow through motor hole slot, the first air channel 91, the lubricating oil in refrigerant also by
Sucking, 13 lubrication of base bearing 8 and driving bearing, then enter vortex air entry through the second air channel 92.
Compared with prior art, the utility model has the advantages that：1) gases at high pressure loss is avoided, is improved
The volumetric efficiency of compressor.2) bearing is cooled, improves reliability, reduces bearing power consumption.
As shown in Figures 3 and 4, in order to further optimize the implementation result of the utility model, in other embodiment
In, remaining feature technology is identical, the difference is that, step groove 62 is equipped on main bearing seat 6, bearing hole 61 is arranged at rank
In terraced groove 62.
Using the above preferred scheme, more reasonable structure.
In order to further optimize the implementation result of the utility model, in other embodiment, remaining feature skill
Art is identical, the difference is that, the second air channel 92 is arranged at the front end face of main bearing seat 6, and the second air channel 92 is along main shaft
Bearing 6 radially extends.
Using the above preferred scheme, more reasonable structure.
Further, the annular protrusion 63 with 61 concentric of bearing hole, the second ventilation are equipped on the front end face of main bearing seat 6
Slot 92 is arranged on annular protrusion 63.
Using the above preferred scheme, the position of the second air channel 92 is more reasonable.
In order to further optimize the implementation result of the utility model, in other embodiment, remaining feature skill
Art is identical, the difference is that, one or more positioning pins 64 are equipped on main bearing seat 6, between fixed scroll 2 and positioning pin 64
Gap coordinates.
Using the above preferred scheme, it is more convenient to install.
In order to further optimize the implementation result of the utility model, in other embodiment, remaining feature skill
Art is identical, the difference is that, housing includes：First shell portion 10 and head cover 11, orbiter 1, fixed scroll 2, main shaft
Bearing 6 and drive component are arranged in first shell portion 10, top surface and 11 floating connection of head cover of fixed scroll 2.
Using the above preferred scheme, more reasonable structure.
Further, back pressure cavity is formed between the top surface of fixed scroll 2 and head cover 11, back pressure cavity is connected with compression chamber.
Using the above preferred scheme, fixed scroll 2 is pressed to orbiter 1 by Pressure in Back-pressure Cavity, and fixed scroll 2 can be along it
Axial floating.
Further, stator 3 is fixedly installed in the inner circumferential wall in first shell portion 10, and bent axle 5 is rotationally connected with first shell
The both side ends in body portion 10, rotor 4 are arranged and are sequentially connected on the outer surface of bent axle 5, and rotor 4 is engaged setting with stator 3.
Using the above preferred scheme, it is more convenient to install.
As shown in figure 5, in order to further optimize the implementation result of the utility model, in other embodiment,
Remaining feature technology is identical, the difference is that, orbiter 1 is connected by cross slip-ring 12 with main bearing seat 6.
Using the above preferred scheme, prevent orbiter 1 from rotating.
In order to further optimize the implementation result of the utility model, in other embodiment, remaining feature skill
Art is identical, the difference is that, the second air channel 92 is arranged at the back side of orbiter 1, and the second air channel 92 is along dynamic vortex
Disk 1 radially extends.
Using the above preferred scheme, the second air channel 92 can also be arranged at the back side of orbiter 1.
As shown in Figures 6 and 7, in order to further optimize the implementation result of the utility model, in other embodiment
In, remaining feature technology is identical, the difference is that, the first air channel 91 is arranged at the outside of bearing hole 61.
Using the above preferred scheme, it is more convenient for airflow.
Above is only the preferred embodiment of the utility model, it is noted that for those of ordinary skill in the art
For, on the premise of not departing from the utility model and creating design, various modifications and improvements can be made, these belong to this
The protection domain of utility model.
Claims (10)
1. a kind of screw compressor with lubrication system, including：Housing, orbiter, fixed scroll and drive component, it is described
Compression chamber, the orbiter, the fixed scroll and the driving group are formed between orbiter and the fixed scroll
Part is arranged in the housing, and the driving component includes：Stator, rotor and bent axle, the bent axle are passed with the orbiter
Dynamic connection, which is characterized in that further include main bearing seat, the main bearing seat is arranged in the housing, and the main bearing seat will
The inner space of the housing is separated into the space one being relatively isolated and space two, and compressor air suction mouth is arranged at the space
One, vortex air entry is arranged at the space two；
The main bearing seat forms cavity between the front end face of the orbiter and the back side of the orbiter, in institute
It states main bearing seat to be equipped with to place the bearing hole of base bearing, the base bearing is sheathed on the outside of the bent axle, in the axis
The outside of bearing bore and/or its hole wall are equipped with the first air channel, and first air channel is along the axially extending of the bearing hole, institute
It states the first air channel to connect with compressor air suction mouth, the second air channel, second ventilation is equipped in the cavity wall of the cavity
Slot connects first air channel with vortex air entry.
2. the screw compressor according to claim 1 with lubrication system, which is characterized in that set on the main bearing seat
There is step groove, the bearing hole is arranged in the step groove.
3. the screw compressor according to claim 2 with lubrication system, which is characterized in that second air channel is set
In the front end face of the main bearing seat, and the second air channel radially extending along the main bearing seat.
4. the screw compressor according to claim 3 with lubrication system, which is characterized in that set on the main bearing seat
There are one or multiple positioning pins, the fixed scroll and the positioning pin clearance fit.
5. the screw compressor according to claim 4 with lubrication system, which is characterized in that the housing includes：First
Housing section and head cover, the orbiter, the fixed scroll, the main bearing seat and the driving component are arranged at institute
It states in first shell portion, the top surface of the fixed scroll and the head cover floating connection.
6. the screw compressor according to claim 5 with lubrication system, which is characterized in that the top surface of the fixed scroll
Back pressure cavity is formed between the head cover, the back pressure cavity is connected with the compression chamber.
7. the screw compressor according to claim 6 with lubrication system, which is characterized in that the stator is fixedly installed on
In the inner circumferential wall in the first shell portion, the crank rotation is connected to the both side ends in the first shell portion, described turn
Sub-set sets and is sequentially connected on the outer surface of the bent axle, and the rotor is engaged setting with the stator.
8. the screw compressor according to claim 7 with lubrication system, which is characterized in that the orbiter passes through ten
Word slip ring is connected with the main bearing seat.
9. according to screw compressor of the claim 1-8 any one of them with lubrication system, which is characterized in that described second is logical
Air drain is arranged at the back side of the orbiter, and the second air channel radially extending along the orbiter.
10. the screw compressor according to claim 9 with lubrication system, which is characterized in that in the main bearing seat
Front end face is equipped with the annular protrusion with bearing hole concentric, and second air channel is arranged on the annular protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721352463.XU CN207393471U (en) | 2017-10-19 | 2017-10-19 | A kind of screw compressor with lubrication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721352463.XU CN207393471U (en) | 2017-10-19 | 2017-10-19 | A kind of screw compressor with lubrication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207393471U true CN207393471U (en) | 2018-05-22 |
Family
ID=62329021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721352463.XU Active CN207393471U (en) | 2017-10-19 | 2017-10-19 | A kind of screw compressor with lubrication system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207393471U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676261A (en) * | 2017-10-19 | 2018-02-09 | 苏州英华特涡旋技术有限公司 | A kind of screw compressor with lubrication system |
| CN108869284A (en) * | 2018-08-29 | 2018-11-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Screw compressor and vehicle with it |
| CN109372744A (en) * | 2018-10-19 | 2019-02-22 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of compressor |
| CN109372744B (en) * | 2018-10-19 | 2024-05-03 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of compressor |
-
2017
- 2017-10-19 CN CN201721352463.XU patent/CN207393471U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676261A (en) * | 2017-10-19 | 2018-02-09 | 苏州英华特涡旋技术有限公司 | A kind of screw compressor with lubrication system |
| CN108869284A (en) * | 2018-08-29 | 2018-11-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Screw compressor and vehicle with it |
| CN109372744A (en) * | 2018-10-19 | 2019-02-22 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of compressor |
| CN109372744B (en) * | 2018-10-19 | 2024-05-03 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215500, No. 68, Southeast Avenue, Southeast Economic Development Zone, Suzhou, Jiangsu, Changshu Patentee after: Suzhou yinghuate Vortex Technology Co., Ltd Address before: 215500, No. 68, Southeast Avenue, Southeast Economic Development Zone, Suzhou, Jiangsu, Changshu Patentee before: SUZHOU INVOTECH SCROLL TECHNOLOGIES Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |