CN1715658A - Friction reducing device for rotary compressor - Google Patents
Friction reducing device for rotary compressor Download PDFInfo
- Publication number
- CN1715658A CN1715658A CN 200410019784 CN200410019784A CN1715658A CN 1715658 A CN1715658 A CN 1715658A CN 200410019784 CN200410019784 CN 200410019784 CN 200410019784 A CN200410019784 A CN 200410019784A CN 1715658 A CN1715658 A CN 1715658A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- mentioned
- antifriction
- rotary compressor
- wiping board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The friction reducing device for rotary compressor includes compression structure comprising cylinder, upper bearing, lower bearing and rotating shaft. The rotating shaft has eccentric part, and the upper bearing and the lower bearing to support the rotating shaft cover two ends of cylinder to form compression space inside the cylinder. The rotary compressor features that at least one of the position between the upper bearing and the cylinder and the position between the lower bearing and the cylinder has friction reducing board installed to reduce the friction loss produced in the thrust bearing surface contacting the eccentric part. The friction reducing device for rotary compressor can reduce the friction between the thrust bearing surface contacting the eccentric part and the bearing. In addition, the present invention has simplified operation process.
Description
Technical field
The present invention relates to a kind of antifriction device of rotary compressor.
Background technique
In general, rotary compressor is a kind ofly can not utilize centrifugal force and make rolling rotation in the cylinder, thereby realizes the device to the compression of refrigerant gas.Its working principle is: rolling (roller) that is installed in the bottom of bent axle (crank) with the form of off-centre can revolve round the sun and rotation along the internal surface of cylinder along with the rotation of running shaft, thus refrigeration agent is sucked and compression.
As shown in Figure 1, existing rotary compressor is by constituting with the bottom: seal container (10), its inside have formed a confined space; Electric structure portion (20), it is installed in the inside of above-mentioned seal container (10); Compression structure part (30), it is installed in the inside of above-mentioned seal container (10) and is connected with above-mentioned electric structure portion (20), can compress refrigeration agent under the driving of electric structure portion (20).
Above-mentioned seal container (10) is by forming with the bottom: body (11), and its upper and lower has all formed opening portion, and the lower end of its side has formed suction port (1); Loam cake (cover) (12), its part is inserted and is installed in the upper opening portion of above-mentioned seal container (10), and its center portion has formed exhaust port (4); Lower cover (13), its part is inserted and is installed in the lower openings portion of above-mentioned seal container (10).
Connecting the inner refrigeration agent intake channel (2) that flow of refrigerant is arranged in the above-mentioned suction port (1), the other end of above-mentioned refrigeration agent intake channel (2) is connecting liquid storage tank (3) etc.
Above-mentioned electric structure portion (20) is by constituting with the bottom: stator (21), and it is installed in the inside of above-mentioned seal container (10); Rotor (22), it is to make with permanent-magnet material, it is installed in the inside of said stator (21) and can rotates.
Above-mentioned compression structure part (30) is by constituting with lower member: running shaft (31), it is pressed into the inside that is installed in above-mentioned rotor (22), and its lower end has formed eccentric part (31a): cylinder (40), it is installed in the inside of above-mentioned seal container (10), above-mentioned eccentric part (31a) can be installed in its inside, and its two ends are up and down connecting upper bearing (32) and the lower bearing (33) that is used for supporting above-mentioned running shaft with bolt (34); Rolling (roller) (35), its internal surface contacts with the eccentric part (31a) that forms in a side of above-mentioned running shaft (31), its outer surface contacts with the internal surface of above-mentioned cylinder (40), and it can revolve round the sun and rotation along with the rotation of above-mentioned eccentric part (31a); Blade (vane) (36), it is installed in the above-mentioned cylinder (40), it can do straight reciprocating motion towards the central direction of above-mentioned cylinder (40), thereby it can with the outer surface of above-mentioned rolling (35) keep sliding (sliding) contact, thereby the inside of above-mentioned cylinder (40) is separated into high-voltage section and low voltage section.
In addition, formed the discharge port (port) that the refrigeration agent after the compression can be discharged on certain position of above-mentioned upper bearing (32) (32a), outlet valve (valve) (not shown) is housed on the above-mentioned discharge port (32a), and this outlet valve can only make pressure reach the above compressed refrigerant of certain value and discharge.In addition, the top baffler (37) that is used for reducing exhaust noise that also is equipped with of above-mentioned upper bearing (32).
If connected power supply having on the rotary compressor of said structure, so under the interaction of said stator (21) and above-mentioned rotor (22), above-mentioned running shaft (31) can rotation, and the eccentric part (31a) that forms in a side of running shaft (31) also will rotate thereupon.Along with the rotation of eccentric part (31a), the son (35) that rolls also can be in the rotation of the inside of cylinder (40), and rotates down at the state that keeps in touch with above-mentioned blade (36).Rotation along with the son (35) that rolls, the refrigeration agent of the low-temp low-pressure that flows out from said compressor (3) will flow into the inside of above-mentioned cylinder (40) by above-mentioned intake channel (2) and suction port (1), and is compressed into high-temperature high-pressure state in the inside of cylinder (40).
The refrigeration agent that is compressed into high-temperature high-pressure state in above-mentioned cylinder (40) can make above-mentioned outlet valve (not shown) open, and discharges by above-mentioned discharge port (32a) then.The refrigeration agent of these discharges can flow into the inside of seal container (10) via above-mentioned baffler (37), discharges by the exhaust port (4) on the loam cake (12) at last.
In rotary compressor as shown in Figure 1, 2, the cylinder (40) of above-mentioned compression structure part (30) is made by casting material, above-mentioned upper bearing (32) and lower bearing (33) are made with agglomerated material, and above-mentioned cylinder (40) and upper bearing (32) and lower bearing (33) all need to process with methods such as grindings.Particularly the contacted thrust bearing of eccentric part (31a) (thrust bearing) face with on the above-mentioned running shaft (31) of upper bearing (32) and lower bearing (33) more needs abrasive machining, purpose is to make its degree of finish reach maximum as much as possible, thus the loss that reduces to rub and bring.
That is to say needs earlier upper bearing (32) and lower bearing (33) to be carried out abrasive machining, could be connected them with bolt (34) two ends of above-mentioned cylinder (40) then, so existing cylinder of compressor exists, and flow chart is many, operating efficiency reduces, and the method for its abrasive machining can only make degree of finish obtain limited improvement.
Summary of the invention
In order to overcome the above-mentioned shortcoming that existing compresser cylinder exists, the invention provides and a kind ofly can reduce frictional loss and can simplify flow chart, thus the antifriction device of the rotary compressor that reduces production costs.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of antifriction device of rotary compressor, comprise the compression structure part that constitutes by cylinder, upper bearing, lower bearing and running shaft, be to have formed eccentric part on the running shaft, be used for the upper bearing of supporting rotating shaft and the two ends that lower bearing covers cylinder, thereby make the inside of cylinder form compression volume; It is characterized in that, having at least a place that the antifriction wiping board is housed in the middle of these two positions between described upper bearing and the cylinder and between described lower bearing and the cylinder, this antifriction wiping board can reduce with the contacted thrust bearing face of described eccentric part on the frictional loss that produced.
The antifriction device of aforesaid rotary compressor has wherein formed on the antifriction wiping board and has been used for the attachment hole of connecting bolt.
The antifriction device of aforesaid rotary compressor, the tap hole of discharging wherein at the refrigeration agent that has formed on the antifriction wiping board that is installed between described upper bearing and the cylinder after can making compression, or forming the tap hole that the refrigeration agent after can making compression is sent on the antifriction wiping board that is installed between described lower bearing and the cylinder.
The antifriction device of aforesaid rotary compressor, wherein the antifriction wiping board is made with heterotypic material.
The antifriction device of aforesaid rotary compressor, the heterotypic material that wherein is used for making described antifriction wiping board are any materials in aluminium material, stainless steel material, glass material, the polyethylene.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the longitdinal cross-section diagram of existing rotary compressor
Fig. 2 is the exploded perspective view of the cylinder configuration in the rotary compressor shown in Figure 1
Fig. 3 is the longitdinal cross-section diagram of the rotary compressor of the embodiment of the invention
Fig. 4 is the cylinder configuration exploded perspective view of the rotary compressor of the embodiment of the invention
The number in the figure explanation:
31: running shaft 31a: eccentric part
40: cylinder (cylinder) 100: antifriction portion
132: upper bearing 133: lower bearing
Embodiment
With reference to the accompanying drawings with embodiment to the antifriction device of rotary compressor of the present invention with more detailed explanation.Adopt identical label for those parts same as the prior art.
As shown in Figure 3, the rotary compressor of the embodiment of the invention is by constituting with the bottom: seal container (10), its inside have formed a confined space; Electric structure portion (20), it is installed in the inside of above-mentioned seal container (10); Compression structure part (30), it is installed in the inside of above-mentioned seal container (10) and is connected with above-mentioned electric structure portion (20), can compress refrigeration agent under the driving of electric structure portion (20).
Above-mentioned seal container (10) is by forming with the bottom: body (11), and its upper and lower has all formed opening portion, and the lower end of its side has formed suction port (1); Loam cake (cover) (12), its part is inserted and is installed in the upper opening portion of above-mentioned seal container (10), and its center portion has formed exhaust port (4); Lower cover (13), its part is inserted and is installed in the lower openings portion of above-mentioned seal container (10).
Connecting the inner refrigeration agent intake channel (2) that flow of refrigerant is arranged in the above-mentioned suction port (1), the other end of above-mentioned refrigeration agent intake channel (2) is connecting compressor (3) etc.
Above-mentioned electric structure portion (20) is by constituting with the bottom: stator (21), and it is installed in the inside of above-mentioned seal container (10); Rotor (22), it is to make with permanent-magnet material, it is installed in the inside of said stator (21) and can rotates.
Above-mentioned compression structure part (30) is by constituting with lower member: running shaft (31), and it is pressed into the inside that is installed in above-mentioned rotor (22), and its lower end has formed eccentric part (31a); Cylinder (40), it is installed in the inside of above-mentioned seal container (10), above-mentioned eccentric part (31a) can be installed in its inside, and its two ends are up and down connecting upper bearing (132) and the lower bearing (133) that is used for supporting above-mentioned running shaft with bolt (34); Rolling (roller) (35), its internal surface contacts with the eccentric part (31a) that forms in a side of above-mentioned running shaft (31), its outer surface contacts with the internal surface of above-mentioned cylinder (40), and it can revolve round the sun and rotation along with the rotation of above-mentioned eccentric part (31a); Blade (vane) (36), it is installed in the above-mentioned cylinder (40), it can do straight reciprocating motion towards the central direction of above-mentioned cylinder (40), thereby it can with the outer surface of above-mentioned rolling (35) keep sliding (sliding) contact, thereby the inside of above-mentioned cylinder (40) is separated into high-voltage section and low voltage section.In addition, between upper bearing (132) and the cylinder (40) and between above-mentioned lower bearing (133) and the cylinder (40) antifriction wiping board (100) is housed also, this antifriction wiping board (100) can reduce with the contacted thrust bearing face of above-mentioned eccentric part (31a) on the frictional loss that produced.Above-mentioned antifriction plate (100) can certainly only be installed at a place, for example only antifriction wiping board (100) be installed between upper bearing (132) and the cylinder (40) or between lower bearing (133) and the cylinder (40).
In addition, formed the discharge port (port) that the refrigeration agent after the compression can be discharged on certain position of above-mentioned upper bearing (32) (132a), outlet valve (valve) (not shown) is housed on the above-mentioned discharge port (132a), and this outlet valve can only make pressure reach the above compressed refrigerant of certain value and discharge.In addition, the top baffler (37) that is used for reducing exhaust noise that also is equipped with of above-mentioned upper bearing (132).
Formed on the above-mentioned antifriction wiping board (100) and be used for the attachment hole of connecting bolt (34), be installed in and formed the tap hole (100b) that the refrigeration agent that can make after the compression is discharged on the antifriction wiping board (100) between above-mentioned upper bearing (132) and the cylinder (40), and this tap hole (100b) needs and can be communicated with up and down with above-mentioned discharge port (132a).In order to reduce frictional loss because of contacting and produce with the eccentric part (31a) of running shaft (31), the most handy heterotypic material that can reduce to rub of above-mentioned antifriction wiping board (100) is made, and only needs it and contacted that face of eccentric part (31a) are processed so that its degree of finish reaches maximum as far as possible.In addition, preferably aluminium material or stainless steel material or glass material or polythene material of the heterotypic material that is used for making above-mentioned antifriction wiping board (100).In addition, if the compressor employing is that mode is discharged in the bottom that outlet valve is installed on the lower bearing (133), the antifriction wiping board (100) that is installed in so between lower bearing (133) and the cylinder (40) upward needs to form above-mentioned tap hole (100b).
If connected power supply having on the rotary compressor of said structure, so under the interaction of said stator (21) and above-mentioned rotor (22), above-mentioned running shaft (31) can rotation, and the eccentric part (31a) that forms in a side of above-mentioned running shaft (31) also will rotate thereupon.Along with the rotation of above-mentioned eccentric part (31a), above-mentioned rolling (35) also can be in the rotation of the inside of above-mentioned cylinder (40), and is to rotate down at the state that keeps in touch with above-mentioned blade (36).Rotation along with the son (35) that rolls, the refrigeration agent of the low-temp low-pressure that flows out from above-mentioned liquid storage tank (3) will flow into the inside of above-mentioned cylinder (40) by above-mentioned intake channel (2) and suction port (1), and is compressed into high-temperature high-pressure state in the inside of cylinder (40).
The refrigeration agent that is compressed into high-temperature high-pressure state in above-mentioned cylinder (40) can make above-mentioned outlet valve (not shown) open, and discharges by above-mentioned discharge port (32a) then.The refrigeration agent of these discharges can flow into the inside of above-mentioned seal container (10) via above-mentioned baffler (37), discharges by the exhaust port (4) on the above-mentioned loam cake (12) at last.
As shown in Figure 3, can at the two ends of the cylinder made from casting material (40) the antifriction wiping board made from the heterotypic material that can reduce to rub (100) be installed earlier, and then, so just can reduce the frictional loss that on the contacted thrust bearing face of eccentric part (31a) of antifriction wiping board (100) and running shaft (31), is produced in upper bearing made from agglomerated material (132) and lower bearing (133) covering and with bolt (34) they being coupled together.Here, can be only to carrying out abrasive machining with the contacted part of eccentric part (31a) in the thrust bearing face of antifriction wiping board (100), make its degree of finish reach maximum as much as possible.
As mentioned above, in the antifriction device of rotary compressor of the present invention, be used for being equipped with between the upper bearing (132) of supporting rotating shaft and lower bearing (133) and the cylinder (40) the antifriction wiping board made from heterotypic material that can antifriction (100), thereby when running shaft rotates, can reduce the frictional loss that on antifriction wiping board (100) and the contacted thrust bearing face of eccentric part (31a), produced by this structure, meanwhile, because upper bearing (132) and lower bearing (133) no longer need to carry out abrasive machining when making, thereby can simplify flow chart, thereby reduce production costs.
The effect of invention
As mentioned above, in the friction reducing device of rotary compressor of the present invention, be used for supporting rotating shaft Upper bearing and lower bearing and cylinder between the antifriction made from heterotypic material that can antifriction is housed Wiping board, thereby when rotating shaft rotates, can reduce in antifriction wiping board and eccentric part phase by this structure The frictional dissipation that produces on the thrust bearing face of contact. Therefore compared with prior art, the present invention can Promote the performance of compressor.
In addition, because upper bearing and lower bearing no longer need to carry out attrition process when making, thereby Can simplify flow chart, thereby reduce production costs.
Claims (5)
1, a kind of antifriction device of rotary compressor, comprise the compression structure part that constitutes by cylinder, upper bearing, lower bearing and running shaft, be to have formed eccentric part on the running shaft, be used for the upper bearing of supporting rotating shaft and the two ends that lower bearing covers cylinder, thereby make the inside of cylinder form compression volume; It is characterized in that, having at least a place that the antifriction wiping board is housed in the middle of these two positions between described upper bearing and the cylinder and between described lower bearing and the cylinder, this antifriction wiping board can reduce with the contacted thrust bearing face of described eccentric part on the frictional loss that produced.
2, the antifriction device of rotary compressor according to claim 1 is characterized in that having formed on the described antifriction wiping board and is used for the attachment hole of connecting bolt.
3, the antifriction device of rotary compressor according to claim 1, it is characterized in that at the tap hole that has formed the refrigeration agent discharge after making compression on the antifriction wiping board that is installed between described upper bearing and the cylinder, or forming the tap hole that the refrigeration agent after can making compression is sent on the antifriction wiping board that is installed between described lower bearing and the cylinder.
4, the antifriction device of rotary compressor according to claim 1 is characterized in that described antifriction wiping board makes with heterotypic material.
5, the antifriction device of rotary compressor according to claim 1, the heterotypic material that it is characterized in that being used for making described antifriction wiping board are any materials in aluminium material, stainless steel material, glass material, the polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410019784 CN1715658A (en) | 2004-06-28 | 2004-06-28 | Friction reducing device for rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410019784 CN1715658A (en) | 2004-06-28 | 2004-06-28 | Friction reducing device for rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1715658A true CN1715658A (en) | 2006-01-04 |
Family
ID=35821756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410019784 Pending CN1715658A (en) | 2004-06-28 | 2004-06-28 | Friction reducing device for rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1715658A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588290A (en) * | 2012-03-09 | 2012-07-18 | 珠海格力电器股份有限公司 | Rotary compressor with oil storage cavity pump body |
| CN106337811A (en) * | 2016-10-20 | 2017-01-18 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air conditioner comprising same |
| CN108996423A (en) * | 2018-09-10 | 2018-12-14 | 无锡市思进工业自动化设备有限公司 | A kind of hydraulic lifting oil cylinder of automatic self-locking |
-
2004
- 2004-06-28 CN CN 200410019784 patent/CN1715658A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588290A (en) * | 2012-03-09 | 2012-07-18 | 珠海格力电器股份有限公司 | Rotary compressor with oil storage cavity pump body |
| CN102588290B (en) * | 2012-03-09 | 2015-11-18 | 珠海格力电器股份有限公司 | Rotary compressor with oil storage cavity pump body |
| CN106337811A (en) * | 2016-10-20 | 2017-01-18 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air conditioner comprising same |
| CN106337811B (en) * | 2016-10-20 | 2018-09-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air conditioner with it |
| CN108996423A (en) * | 2018-09-10 | 2018-12-14 | 无锡市思进工业自动化设备有限公司 | A kind of hydraulic lifting oil cylinder of automatic self-locking |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1807897A (en) | Multi-stage rotary compressor | |
| CN1757925A (en) | Variable capacity type orbiting vane compressor | |
| CN100338364C (en) | Variable capacity rotary compressor | |
| CN1793661A (en) | Rotary two-stage compressor and air conditioner using the compressor | |
| CN1715658A (en) | Friction reducing device for rotary compressor | |
| CN1620554A (en) | Suction mechanism of rotary compressor | |
| CN1904369A (en) | Multisection rotating type compressor and airconditioner therefor | |
| CN1320281C (en) | Silencer of exhaust valve for sealed rotary compressor | |
| CN1061131C (en) | Method for pumping high-vacuum degree | |
| CN1548753A (en) | Closed rotary compressor | |
| CN2791304Y (en) | Swing-plate rolling-ring type compressor | |
| CN1815025A (en) | Horizontal type orbiting vane compressor | |
| CN1896531A (en) | Blade spring arrangement of rotary compressor | |
| CN100343533C (en) | Exhaust noise reducer of closed rotary compressor | |
| CN1510276A (en) | Compressor for preventing rotary compressor from refrigerant leakage | |
| KR100763149B1 (en) | Rotary compressor | |
| CN1916424A (en) | Exhaust structure of main bearing and rotation axis in revolve type compressor | |
| CN1904368A (en) | Rotary compressor | |
| CN1782432A (en) | Bottom silencer structure of rotary double pressure cylinder compressor | |
| CN1548765A (en) | Discharge valve device for rotary compressor | |
| CN1888433A (en) | Rotation type compressor | |
| CN1932296A (en) | Variable capacity rotary compressor | |
| CN1888431A (en) | Closed rotary compressor | |
| CN1626806A (en) | Device for fixing rotation axis in rotating type compressor | |
| CN1186177A (en) | Noise reducing structure for hermetically sealed compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |