CN103334931A - Rotary compressor - Google Patents

Rotary compressor Download PDF

Info

Publication number
CN103334931A
CN103334931A CN2013102648673A CN201310264867A CN103334931A CN 103334931 A CN103334931 A CN 103334931A CN 2013102648673 A CN2013102648673 A CN 2013102648673A CN 201310264867 A CN201310264867 A CN 201310264867A CN 103334931 A CN103334931 A CN 103334931A
Authority
CN
China
Prior art keywords
oil return
return section
cylinder
valve seat
oil
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.)
Granted
Application number
CN2013102648673A
Other languages
Chinese (zh)
Other versions
CN103334931B (en
Inventor
吉国强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Midea Toshiba Compressor Corp
Guangdong Meizhi Compressor Co Ltd
Original Assignee
Guangdong Meizhi Compressor Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Meizhi Compressor Co Ltd filed Critical Guangdong Meizhi Compressor Co Ltd
Priority to CN201310264867.3A priority Critical patent/CN103334931B/en
Publication of CN103334931A publication Critical patent/CN103334931A/en
Application granted granted Critical
Publication of CN103334931B publication Critical patent/CN103334931B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Applications Or Details Of Rotary Compressors (AREA)
  • Compressor (AREA)

Abstract

The invention provides a rotary compressor which comprises a shell and a compression pump body arranged in the shell, wherein the bottom of the shell is provided with an oil pool used for storing lubricating oil; the compression pump body is provided with a valve seat concave part used for installing an air outlet valve plate; the compression pump body is also provided with an oil return channel, and the lubricating oil accumulated in the valve seat concave part can flow back into the oil pool at the bottom of the shell through the oil return channel; the inner end of the oil return channel is communicated with the valve seat concave part; the outer end of the oil return channel extends to the outer edge of the compression pump body. According to the rotary compressor, the lubricating oil accumulated in the valve seat concave part can flow back into the oil pool at the bottom of the shell of the rotary compressor through the oil return channel, so that the effects of reducing the viscous resistance of the air outlet valve plate and reducing the oil yield of the compressor can be achieved, and the performance of the rotary compressor can be improved.

Description

Rotary compressor
Technical field
The present invention relates to the Compressor Technology field, relate in particular to a kind of rotary compressor.
Background technique
As shown in Figure 1, it is the compression pump housing 10 of an existing rotary compressor, the described compression pump housing 10 is single casing, comprise cylinder 11, main bearing 12, supplementary bearing 13, bent axle 14, rolling piston 15 and slide plate etc., offer vane slot on the cylinder 11, main bearing 12 and supplementary bearing 13 correspondences are installed in the upper and lower end face of cylinder 11, main bearing 12 is provided with for the valve seat recess 121 that exhaust valve plate is installed, rolling piston 15 is arranged in the cylinder 11, under the drive of bent axle 14, rolling piston 15 rotates, and drives slide plate and move reciprocatingly in vane slot, thereby realizes the work cycle of air-breathing-compression-exhaust.For reducing the pneumatic noise that exhaust produces, the baffler 16 for noise reduction is installed in the upper end of main bearing 12.
Housing bottom at rotary compressor has a certain amount of lubricant oil in order to each moving element in the lubricated rotary compressor.Lubricant oil and cold media air have intersolubility, when compressor operating, the pressurized gas of discharging through overcompression carry lubricant oil process bump cutting out partial lubricant oil in baffler 16, lubricant oil flows in the valve seat recess 121 of main bearing 12 along the inwall of baffler 16, thereby causes accumulating of lubricant oil.The lubricant oil that this part accumulates can increase the viscous resistance of exhaust valve plate on the one hand, causes the performance of compressor to reduce; On the other hand, the air-flow that long-pending oil can be discharged is at a high speed taken away again, and the oil mass of telling of compressor is increased, thereby further influences the heat exchange effect of air-conditioning system.
Summary of the invention
Main purpose of the present invention is to provide a kind of and can reduces the exhaust valve plate viscous resistance and reduce compressor and tell the rotary compressor of oil mass.
To achieve these goals, the invention provides a kind of rotary compressor, comprise housing and be arranged at the interior compression pump housing of described housing, the bottom of described housing is provided with for the oil sump that stores lubricant oil, the described compression pump housing is provided with for the give vent to anger valve seat recess of valve block of installation, the described compression pump housing also is provided with for the lubricant oil of savings in described valve seat recess and is back to drainback passage in the oil sump of described housing bottom, the inner of described drainback passage is connected with described valve seat recess, and the outer end of described drainback passage extends to the outward edge of the described compression pump housing.
Preferably, the described compression pump housing comprises cylinder, main bearing, supplementary bearing, bent axle and rolling piston, described main bearing and supplementary bearing correspondence are installed in the upper and lower end face of cylinder, described rolling piston is arranged in the cylinder and rotates under the drive of described bent axle, the upper end of described main bearing is equipped with the baffler for noise reduction, and described valve seat recess is located on the described main bearing.
Preferably, described drainback passage is located on the described main bearing and along the radially extension of main bearing, the inner of described drainback passage is connected with described valve seat recess, and the outer end of described drainback passage is arranged on the outward edge of described main bearing.
Preferably, described drainback passage comprises the first oil return section and the second oil return section, the described first oil return section is located at extending axially on the described main bearing and along main bearing, the described second oil return section is located on the described cylinder and along the radially extension of cylinder, the upper end of the described first oil return section is connected with described valve seat recess, the inner of the described second oil return section faces with the lower end of the described first oil return section and is communicated with, and the outer end of the described second oil return section is arranged on the outward edge of described cylinder.
Preferably, described drainback passage comprises the first oil return section, the second oil return section and the 3rd oil return section, the described first oil return section is located at extending axially on the described main bearing and along main bearing, the described second oil return section is located at extending axially on the described cylinder and along cylinder, described the 3rd oil return section is located on the described supplementary bearing, the upper end of the described first oil return section is connected with the valve seat recess, the upper end of the described second oil return section faces with the lower end of the described first oil return section and is communicated with, one end of described the 3rd oil return section faces with the lower end of the described second oil return section and is communicated with, and the other end of described the 3rd oil return section is arranged on the outward edge or lower end surface of supplementary bearing.
Preferably, the described compression pump housing comprises upper cylinder, lower cylinder, main bearing, supplementary bearing, bent axle, rolling piston and central diaphragm, described upper cylinder and lower cylinder are located at the upper and lower both sides of described central diaphragm respectively, described main bearing is located at the upper-end surface of described upper cylinder, described supplementary bearing is located at the lower end surface of lower cylinder, described rolling piston is arranged in described upper cylinder and the lower cylinder and rotates under the drive of described bent axle, and described valve seat recess is located on the described central diaphragm.
Preferably, described drainback passage is located on the described central diaphragm and along the radially extension of central diaphragm, the inner of described drainback passage is connected with described valve seat recess, and the outer end of described drainback passage is arranged on the outward edge of described central diaphragm.
Preferably, described drainback passage comprises the first oil return section and the second oil return section, the described first oil return section is located at extending axially on the described central diaphragm and along central diaphragm, the described second oil return section is located on the described lower cylinder and along the radially extension of lower cylinder, the upper end of the described first oil return section is connected with described valve seat recess, the inner of the described second oil return section faces with the lower end of the described first oil return section and is communicated with, and the outer end of the described second oil return section is arranged on the outward edge of described lower cylinder.
Preferably, the described second oil return section is opened in described lower cylinder on the upper surface of described central diaphragm.
Preferably, described drainback passage comprises the first oil return section, the second oil return section and the 3rd oil return section, the described first oil return section is located at extending axially on the described central diaphragm and along central diaphragm, the described second oil return section is located at extending axially on the described lower cylinder and along lower cylinder, described the 3rd oil return section is located on the described supplementary bearing, the upper end of the described first oil return section is connected with described valve seat recess, the upper end of the described second oil return section faces with the lower end of the described first oil return section and is communicated with, one end of described the 3rd oil return section faces with the lower end of the described second oil return section and is communicated with, and the other end of described the 3rd oil return section is arranged on the outward edge or lower end surface of supplementary bearing.
Rotary compressor of the present invention, by setting up drainback passage at the compression pump housing, can make the lubricant oil of savings in the valve seat recess be back to the oil sump of the housing bottom of rotary compressor by described drainback passage, thereby reach the valve block viscous resistance and reduce the effect that compressor is told oil mass of reducing to give vent to anger, to improve the performance of rotary compressor, therefore rotary compressor of the present invention is used for air-conditioning system, can improve the heat exchange effect of air-conditioning system.
Description of drawings
Fig. 1 is the longitudinal sectional drawing of the compression pump housing of an existing rotary compressor.
Fig. 2 is the compression pump housing first embodiment's of rotary compressor of the present invention structural representation.
Fig. 3 is the structural representation of the main bearing of the compression pump housing shown in Figure 2.
Fig. 4 is the compression pump housing second embodiment's of rotary compressor of the present invention structural representation.
Fig. 5 is the structural representation of the main bearing of the compression pump housing shown in Figure 4.
Fig. 6 is the structural representation of the cylinder of the compression pump housing shown in Figure 4.
Fig. 7 is the compression pump housing the 3rd embodiment's of rotary compressor of the present invention structural representation.
Fig. 8 is the compression pump housing the 4th embodiment's of rotary compressor of the present invention structural representation.
Fig. 9 is the structural representation of the central diaphragm of the compression pump housing shown in Figure 8.
Figure 10 is the compression pump housing the 5th embodiment's of rotary compressor of the present invention structural representation.
Figure 11 is the compression pump housing the 6th embodiment's of rotary compressor of the present invention structural representation.
The realization of the object of the invention, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that embodiment described herein only in order to explaining the present invention, and be not used in restriction the present invention.
Main purpose of the present invention is for to improve by the compression pump housing to rotary compressor, namely set up a drainback passage at the compression pump housing, the inner of drainback passage is connected with the valve seat recess of the compression pump housing, the outer end of drainback passage extends to the outward edge of the compression pump housing, can make the lubricant oil of savings in the valve seat recess be back to the oil sump of the housing bottom of rotary compressor by described drainback passage, thereby reach the valve block viscous resistance and reduce the effect that compressor is told oil mass of reducing to give vent to anger, to improve the performance of rotary compressor.Therefore, rotary compressor of the present invention is used for air-conditioning system, can improve the heat exchange effect of air-conditioning system.
First embodiment
As shown in Figures 2 and 3, be first embodiment of the compression pump housing of rotary compressor of the present invention.In the present embodiment, rotary compressor comprises the housing (not shown) and is arranged at the interior compression pump housing 20 of described housing.The bottom of described housing is provided with for the oil sump that stores lubricant oil.The described compression pump housing 20 comprises cylinder 21, main bearing 22, supplementary bearing 23, bent axle 24 and rolling piston 25, main bearing 22 and supplementary bearing 23 correspondences are installed in the upper and lower end face of cylinder 21, rolling piston 25 is arranged in the cylinder 21, and rotates under the drive of bent axle 24.For reducing the pneumatic noise that exhaust produces, the baffler 26 for noise reduction is installed in the upper end of main bearing 22.
Main bearing 22 is provided with valve seat recess 221, exhaust port 222 and drainback passage a, described valve seat recess 221 is used for installing the valve block of giving vent to anger, described drainback passage a is along the radially extension of main bearing 22, the inner of drainback passage a is connected with valve seat recess 21, and the outer end of drainback passage a is arranged on the outward edge of main bearing 22.
During the rotary compressor operation, cylinder 21 interior compressed pressurized gas are carrying lubricant oil and are entering in the baffler 26 from exhaust port 222, constantly clash into back cutting out partial lubricant oil with baffler 26 inwalls process, isolated lubricant oil flows in the valve seat recess 221 of main bearing 22 along the inwall of baffler 26, flow through again with drainback passage a that valve seat recess 221 is connected after be back in the oil sump of housing bottom.After lubricant oil refluxes, can avoid the generation in the valve seat recess 221 inner product oil phenomenon of main bearing 22, thereby reduce the viscous resistance of exhaust valve plate on the one hand, improve the performance of rotary compressor; Can not occur the phenomenon that long-pending oily air-flow of being discharged is at a high speed taken away again on the other hand yet, reduce the oil mass of telling of rotary compressor thus, can improve the heat exchange efficiency of air-conditioning system.
In the present embodiment, drainback passage a only is arranged on the main bearing 22, makes the oil return distance lack and not allow to stop up, and can accelerate the back-flow velocity of lubricant oil and guarantee that lubricant oil refluxes smooth and easy.
Second embodiment
To shown in Figure 6, be second embodiment of the compression pump housing of rotary compressor of the present invention as Fig. 4.In the present embodiment, rotary compressor comprises the housing (not shown) and is arranged at the interior compression pump housing 30 of described housing.The bottom of described housing is provided with for the oil sump that stores lubricant oil.The described compression pump housing 30 comprises cylinder 31, main bearing 32, supplementary bearing 33, bent axle 34 and rolling piston 35, main bearing 32 and supplementary bearing 33 correspondences are installed in the upper and lower end face of cylinder 31, rolling piston 35 is arranged in the cylinder 31, and rotates under the drive of bent axle 34.For reducing the pneumatic noise that exhaust produces, the baffler 36 for noise reduction is installed in the upper end of main bearing 32.
Main bearing 32 is provided with valve seat recess 321, exhaust port 322 and the first oil return section b.Described valve seat recess 321 is used for the valve block of giving vent to anger is installed, and the described first oil return section b extends axially along main bearing 32, and the upper end of the first oil return section b is connected with valve seat recess 321.Offer the second oil return section c that radially extends along cylinder 31 at cylinder 31, the inner of the second oil return section c faces with the lower end of the first oil return section b and is communicated with, and the outer end of the second oil return section c is arranged on the outward edge of cylinder 31.Constitute drainback passage jointly by the first oil return section b and the second oil return section c, for being back in the oil sump of housing bottom through separating the lubricant oil of savings in valve seat recess 321.The described second oil return section c is opened in cylinder 31 on the upper surface of main bearing 32.
Rotary compressor when operation, the lubricant oil in the valve seat recess 321 on the main bearing 32, the first oil return section road b that flows through earlier and be connected with valve seat recess 321, flowing through enters in the oil sump of housing bottom after being arranged on the second oil return section c on the cylinder 31 again.All the other do not address part with first embodiment, are not repeating.
The 3rd embodiment
As shown in Figure 7, be the 3rd embodiment of the compression pump housing of rotary compressor of the present invention.In the present embodiment, rotary compressor comprises the housing (not shown) and is arranged at the interior compression pump housing 40 of described housing.The bottom of described housing is provided with for the oil sump that stores lubricant oil.The described compression pump housing 40 comprises cylinder 41, main bearing 42, supplementary bearing 43, bent axle 44 and rolling piston 45, main bearing 42 and supplementary bearing 43 correspondences are installed in the upper and lower end face of cylinder 41, rolling piston 45 is arranged in the cylinder 41, and rotates under the drive of bent axle 44.For reducing the pneumatic noise that exhaust produces, the baffler 46 for noise reduction is installed in the upper end of main bearing 42.
Main bearing 42 is provided with valve seat recess 421, exhaust port (not shown) and the first oil return section d.Described valve seat recess 421 is used for the valve block of giving vent to anger is installed, and the described first oil return section d extends axially along main bearing 42, and the upper end of the first oil return section d is connected with valve seat recess 421.Offer the axially extended second oil return section e along cylinder 41 at cylinder 41, the upper end of the second oil return section e faces with the lower end of the first oil return section d and is communicated with, supplementary bearing 43 is provided with the 3rd oil return section f that radially extends along supplementary bearing 43, the inner of the 3rd oil return section f faces with the lower end of the second oil return section e and is communicated with, and the outer end of the 3rd oil return section f is arranged on the outward edge of supplementary bearing 43.Constitute drainback passage jointly by the first oil return section d, the second oil return section e and the 3rd oil return section f, for being back in the oil sump of housing bottom through separating the lubricant oil of savings in valve seat recess 321.The 3rd oil return section f can also be arranged on supplementary bearing 43 upper edges, and it extends axially, and the upper end of the 3rd oil return section f faces with the lower end of the second oil return section e and is communicated with at this moment, and the lower end of the 3rd oil return section f is arranged on the lower end surface of supplementary bearing 43.
During the rotary compressor operation, lubricant oil in the valve seat recess 421 on the main bearing 42, the first oil return section d that flows through earlier and be connected with valve seat recess 421, flowing through enters in the oil sump of housing bottom after being arranged on the second oil return section e on the cylinder 41 and being arranged on the 3rd oil return section f on the supplementary bearing 43 again.All the other do not address part with first embodiment, are not repeating.
The 4th embodiment
As Fig. 8 and shown in Figure 9, be the 4th embodiment of the compression pump housing of rotary compressor of the present invention.In the present embodiment, rotary compressor is the twin-tub form, comprises the housing (not shown) and is arranged at the interior compression pump housing 50 of described housing.The bottom of described housing is provided with for the oil sump that stores lubricant oil.The described compression pump housing 50 comprises upper cylinder (not shown), lower cylinder 51, main bearing (not shown), supplementary bearing 52, bent axle 53, rolling piston 54 and central diaphragm 55, upper cylinder and lower cylinder 51 are located at the upper and lower both sides of central diaphragm 55 respectively, main bearing is located at the upper-end surface of upper cylinder, supplementary bearing 52 is located at the lower end surface of lower cylinder 51, rolling piston 54 is arranged in upper cylinder and the lower cylinder 51, and rotates under the drive of bent axle 53.
Central diaphragm 55 is provided with valve seat recess 551, row institute hole 552 and drainback passage g, described valve seat recess 551 is used for installing the valve block of giving vent to anger, described drainback passage g is along the radially extension of central diaphragm 55, the inner of drainback passage g is connected with valve seat recess 551, and the outer end of drainback passage g is arranged on the outward edge of central diaphragm 55.
Rotary compressor when operation, the lubricant oil in the valve seat recess 551 on the central diaphragm 55, flow through with drainback passage g that valve seat recess 551 is connected after be back in the oil sump of housing bottom.After lubricant oil refluxes, can avoid the generation in the valve seat 71 inner product oil phenomenon of central diaphragm 55, thereby reduce the viscous resistance of exhaust valve plate on the one hand, improve the performance of compressor; Can not occur the phenomenon that long-pending oily air-flow of being discharged is at a high speed taken away again on the other hand yet, reduce the oil mass of telling of compressor thus, improve the heat exchange efficiency of air-conditioning system.
In the present embodiment, drainback passage g only is arranged on the central diaphragm 55, makes the oil return distance lack and not allow to stop up, and can accelerate the back-flow velocity of lubricant oil and guarantee that lubricant oil refluxes smooth and easy.
The 5th embodiment
As shown in figure 10, be the 5th embodiment of the compression pump housing of rotary compressor of the present invention.In the present embodiment, rotary compressor is similarly the twin-tub form, comprises the housing (not shown) and is arranged at the interior compression pump housing 60 of described housing.The bottom of described housing is provided with for the oil sump that stores lubricant oil.The described compression pump housing 60 comprises upper cylinder (not shown), lower cylinder 61, main bearing (not shown), supplementary bearing 62, bent axle 63, rolling piston 64 and central diaphragm 65, upper cylinder and lower cylinder 61 are higher than the upper and lower both sides of central diaphragm 65 respectively, main bearing is located at the upper-end surface of upper cylinder, supplementary bearing 62 is located at the lower end surface of lower cylinder 61, rolling piston 64 is arranged in upper cylinder and the lower cylinder 61, and rotates under the drive of bent axle 63.
Central diaphragm 65 is provided with valve seat recess 651, row's institute's hole (not shown) and the first oil return section h, described valve seat recess 651 is used for installing the valve block of giving vent to anger, the described first oil return section h extending axially along central diaphragm 65, the upper end of the first oil return section h is connected with valve seat recess 651, lower cylinder 61 is provided with the second oil return section i that radially extends along it, the inner of the second oil return section i faces with the lower end of the first oil return section h and is communicated with, and the outer end of the second oil return section i is arranged on the outward edge of lower cylinder 61.Constitute drainback passage jointly by the first oil return section h and the second oil return section i, for being back in the oil sump of housing bottom through separating the lubricant oil of savings in valve seat recess 651.The described second oil return section i is opened in described lower cylinder 31 on the upper surface of central diaphragm 65.
During the rotary compressor operation, the lubricant oil in the valve seat recess 651 on the central diaphragm 65, the first oil return section h that flows through earlier and be connected with valve seat recess 651 is back in the oil sump of housing bottom behind the second oil return section i on the lower cylinder 61 of flowing through again.All the other do not address part with the 4th embodiment, are not repeating.
The 6th embodiment
As shown in figure 11, be the 6th embodiment of the compression pump housing of rotary compressor of the present invention.In the present embodiment, rotary compressor is similarly the twin-tub form, comprises the housing (not shown) and is arranged at the interior compression pump housing 70 of described housing.The bottom of described housing is provided with for the oil sump that stores lubricant oil.The described compression pump housing 70 comprises upper cylinder (not shown), lower cylinder 71, main bearing (not shown), supplementary bearing 72, bent axle 73, rolling piston 74 and central diaphragm 75, upper cylinder and lower cylinder 71 are higher than the upper and lower both sides of central diaphragm 75 respectively, main bearing is located at the upper-end surface of upper cylinder, supplementary bearing 72 is located at the lower end surface of lower cylinder 71, rolling piston 74 is arranged in upper cylinder and the lower cylinder 71, and rotates under the drive of bent axle 73.
Central diaphragm 75 is provided with valve seat recess 751, row's institute's hole (not shown) and the first oil return section j, described valve seat recess 751 is used for installing the valve block of giving vent to anger, the described first oil return section j extending axially along central diaphragm 55, the upper end of the first oil return section j is connected with valve seat recess 751, lower cylinder 71 is provided with along its axially extended second oil return section k, the upper end of the second oil return section k faces with the lower end of the first oil return section j and is communicated with, supplementary bearing 72 is provided with the 3rd oil return section m that radially extends along it, the inner of the 3rd oil return section m faces with the lower end of the second oil return section k and is communicated with, and the outer end of the 3rd oil return section m is arranged on the outward edge of supplementary bearing 72.Constitute drainback passage jointly by the first oil return section j, the second oil return section k and the 3rd oil return section m, for being back in the oil sump of housing bottom through separating the lubricant oil of savings in valve seat recess 751.The 3rd oil return section m can also be arranged on supplementary bearing 72 upper edges, and it extends axially, and the upper end of the 3rd oil return section m faces with the lower end of the second oil return section k and is communicated with at this moment, and the lower end of the 3rd oil return section m is arranged on the lower end surface of supplementary bearing 72.
During the rotary compressor operation, lubricant oil in the valve seat recess 751 on the central diaphragm 75, the first oil return section j that flows through earlier and be connected with valve seat recess 751, on the second oil return section k on the lower cylinder 71 of flowing through again and the supplementary bearing 72 the 3rd oil return section m after be back in the oil sump of housing bottom.All the other do not address part with the 4th embodiment, are not repeating.
The present invention is not limited to above mode of execution, under the disclosed technology contents of above-mentioned mode of execution, can also carry out various variations.Every equivalent structure transformation that utilizes specification of the present invention and accompanying drawing content to do, or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.

Claims (10)

1. rotary compressor, comprise housing and be arranged at the interior compression pump housing of described housing, the bottom of described housing is provided with for the oil sump that stores lubricant oil, the described compression pump housing is provided with for the give vent to anger valve seat recess of valve block of installation, it is characterized in that, the described compression pump housing also is provided with for the lubricant oil of savings in described valve seat recess and is back to drainback passage in the oil sump of described housing bottom, the inner of described drainback passage is connected with described valve seat recess, and the outer end of described drainback passage extends to the outward edge of the described compression pump housing.
2. rotary compressor as claimed in claim 1, it is characterized in that, the described compression pump housing comprises cylinder, main bearing, supplementary bearing, bent axle and rolling piston, described main bearing and supplementary bearing correspondence are installed in the upper and lower end face of cylinder, described rolling piston is arranged in the cylinder and rotates under the drive of described bent axle, the upper end of described main bearing is equipped with the baffler for noise reduction, and described valve seat recess is located on the described main bearing.
3. rotary compressor as claimed in claim 2, it is characterized in that, described drainback passage is located on the described main bearing and along the radially extension of main bearing, the inner of described drainback passage is connected with described valve seat recess, and the outer end of described drainback passage is arranged on the outward edge of described main bearing.
4. rotary compressor as claimed in claim 2, it is characterized in that, described drainback passage comprises the first oil return section and the second oil return section, the described first oil return section is located at extending axially on the described main bearing and along main bearing, the described second oil return section is located on the described cylinder and along the radially extension of cylinder, the upper end of the described first oil return section is connected with described valve seat recess, the inner of the described second oil return section faces with the lower end of the described first oil return section and is communicated with, and the outer end of the described second oil return section is arranged on the outward edge of described cylinder.
5. rotary compressor as claimed in claim 2, it is characterized in that, described drainback passage comprises the first oil return section, the second oil return section and the 3rd oil return section, the described first oil return section is located at extending axially on the described main bearing and along main bearing, the described second oil return section is located at extending axially on the described cylinder and along cylinder, described the 3rd oil return section is located on the described supplementary bearing, the upper end of the described first oil return section is connected with the valve seat recess, the upper end of the described second oil return section faces with the lower end of the described first oil return section and is communicated with, one end of described the 3rd oil return section faces with the lower end of the described second oil return section and is communicated with, and the other end of described the 3rd oil return section is arranged on the outward edge or lower end surface of supplementary bearing.
6. rotary compressor as claimed in claim 1, it is characterized in that, the described compression pump housing comprises upper cylinder, lower cylinder, main bearing, supplementary bearing, bent axle, rolling piston and central diaphragm, described upper cylinder and lower cylinder are located at the upper and lower both sides of described central diaphragm respectively, described main bearing is located at the upper-end surface of described upper cylinder, described supplementary bearing is located at the lower end surface of lower cylinder, described rolling piston is arranged in described upper cylinder and the lower cylinder and rotates under the drive of described bent axle, and described valve seat recess is located on the described central diaphragm.
7. rotary compressor as claimed in claim 6, it is characterized in that, described drainback passage is located on the described central diaphragm and along the radially extension of central diaphragm, the inner of described drainback passage is connected with described valve seat recess, and the outer end of described drainback passage is arranged on the outward edge of described central diaphragm.
8. rotary compressor as claimed in claim 6, it is characterized in that, described drainback passage comprises the first oil return section and the second oil return section, the described first oil return section is located at extending axially on the described central diaphragm and along central diaphragm, the described second oil return section is located on the described lower cylinder and along the radially extension of lower cylinder, the upper end of the described first oil return section is connected with described valve seat recess, the inner of the described second oil return section faces with the lower end of the described first oil return section and is communicated with, and the outer end of the described second oil return section is arranged on the outward edge of described lower cylinder.
9. rotary compressor as claimed in claim 8 is characterized in that, the described second oil return section is opened in described lower cylinder on the upper surface of described central diaphragm.
10. rotary compressor as claimed in claim 6, it is characterized in that, described drainback passage comprises the first oil return section, the second oil return section and the 3rd oil return section, the described first oil return section is located at extending axially on the described central diaphragm and along central diaphragm, the described second oil return section is located at extending axially on the described lower cylinder and along lower cylinder, described the 3rd oil return section is located on the described supplementary bearing, the upper end of the described first oil return section is connected with described valve seat recess, the upper end of the described second oil return section faces with the lower end of the described first oil return section and is communicated with, one end of described the 3rd oil return section faces with the lower end of the described second oil return section and is communicated with, and the other end of described the 3rd oil return section is arranged on the outward edge or lower end surface of supplementary bearing.
CN201310264867.3A 2013-06-27 2013-06-27 Rotary compressor Active CN103334931B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310264867.3A CN103334931B (en) 2013-06-27 2013-06-27 Rotary compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310264867.3A CN103334931B (en) 2013-06-27 2013-06-27 Rotary compressor

Publications (2)

Publication Number Publication Date
CN103334931A true CN103334931A (en) 2013-10-02
CN103334931B CN103334931B (en) 2016-08-10

Family

ID=49243137

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310264867.3A Active CN103334931B (en) 2013-06-27 2013-06-27 Rotary compressor

Country Status (1)

Country Link
CN (1) CN103334931B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107676268A (en) * 2017-10-10 2018-02-09 珠海凌达压缩机有限公司 Flange, the pump housing and compressor
CN107893767A (en) * 2017-11-09 2018-04-10 珠海凌达压缩机有限公司 The lubricating system and compressor and air conditioner of compressor
CN108386357A (en) * 2018-04-18 2018-08-10 北京燕都碧城科技有限公司 A kind of single screw compressor anti-liquid impact device
CN111043038A (en) * 2019-12-03 2020-04-21 珠海格力节能环保制冷技术研究中心有限公司 Silencer, compressor and air conditioner with same

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000097185A (en) * 1998-09-22 2000-04-04 Hitachi Ltd Rotary compressor
JP2002147375A (en) * 2000-11-15 2002-05-22 Daikin Ind Ltd Rotary compressor
JP2003293972A (en) * 2002-04-01 2003-10-15 Sanyo Electric Co Ltd Rotary compressor
JP2005048684A (en) * 2003-07-30 2005-02-24 Matsushita Electric Ind Co Ltd Hermetic compressor
JP2009264175A (en) * 2008-04-23 2009-11-12 Mitsubishi Electric Corp Refrigerant compressor
JP2010144526A (en) * 2008-12-16 2010-07-01 Daikin Ind Ltd Compressor
CN102022337A (en) * 2009-09-17 2011-04-20 广东美芝制冷设备有限公司 Oil-feeding device of rotary compressor

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000097185A (en) * 1998-09-22 2000-04-04 Hitachi Ltd Rotary compressor
JP2002147375A (en) * 2000-11-15 2002-05-22 Daikin Ind Ltd Rotary compressor
JP2003293972A (en) * 2002-04-01 2003-10-15 Sanyo Electric Co Ltd Rotary compressor
JP2005048684A (en) * 2003-07-30 2005-02-24 Matsushita Electric Ind Co Ltd Hermetic compressor
JP2009264175A (en) * 2008-04-23 2009-11-12 Mitsubishi Electric Corp Refrigerant compressor
JP2010144526A (en) * 2008-12-16 2010-07-01 Daikin Ind Ltd Compressor
CN102022337A (en) * 2009-09-17 2011-04-20 广东美芝制冷设备有限公司 Oil-feeding device of rotary compressor

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107676268A (en) * 2017-10-10 2018-02-09 珠海凌达压缩机有限公司 Flange, the pump housing and compressor
CN107893767A (en) * 2017-11-09 2018-04-10 珠海凌达压缩机有限公司 The lubricating system and compressor and air conditioner of compressor
CN107893767B (en) * 2017-11-09 2020-08-11 珠海凌达压缩机有限公司 Lubricating system of compressor, compressor and air conditioner
CN108386357A (en) * 2018-04-18 2018-08-10 北京燕都碧城科技有限公司 A kind of single screw compressor anti-liquid impact device
CN108386357B (en) * 2018-04-18 2024-05-28 北京燕都碧城科技有限公司 Liquid impact preventing device of single screw compressor
CN111043038A (en) * 2019-12-03 2020-04-21 珠海格力节能环保制冷技术研究中心有限公司 Silencer, compressor and air conditioner with same

Also Published As

Publication number Publication date
CN103334931B (en) 2016-08-10

Similar Documents

Publication Publication Date Title
CN102734158B (en) Screw compressor and chiller unit using same
CN103334931A (en) Rotary compressor
CN105889069B (en) It is vented the low rotary compressor of oil content
CN102459909A (en) Refrigerant compressor
CN105074212A (en) Compressor
CN202250844U (en) Oil return structure of scroll compressor
CN206917862U (en) Oil baffle and compressor
CN101469705A (en) Rotary vane type compressor
CN202040085U (en) Rotating compressor
CN202770087U (en) Oil-gas separator
CN103052854B (en) Oil content separating mechanism and possess the refrigerating plant of this oil content separating mechanism
CN203548230U (en) Rotary compressor with spiral oil separator
CN104006588A (en) Three-stage separated efficient horizontal type oil distribution device
CN204729262U (en) Crankshaft oilway structure
CN204202262U (en) Three grades of separate type high efficient horizontals divide oily device
CN203385240U (en) Variable-frequency multi-connected machine with oil return structure
CN202579200U (en) Oil separation device of compressor and compressor comprising same
CN106949065A (en) A kind of compressor exhaust pipe and the compressor with this blast pipe
CN202250845U (en) Oil returning structure of vortex compressor
JP2013015069A (en) Oil separator and compressor having the same
CN107747833B (en) Oil-gas separator for vehicle-mounted air conditioner compressor and vehicle-mounted air conditioner compressor
CN206221279U (en) The muffler of compressor and the compressor with it
CN206397743U (en) The motor compressor of the built-in economic benefits and social benefits oil separating structure of band
CN200985883Y (en) Cyclone compressor oil return device
CN107701451A (en) Horizontai rotary 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
C14 Grant of patent or utility model
GR01 Patent grant