CN203067282U - Totally enclosed vertical scroll compressor of motor above pump body - Google Patents
Totally enclosed vertical scroll compressor of motor above pump body Download PDFInfo
- Publication number
- CN203067282U CN203067282U CN 201220641142 CN201220641142U CN203067282U CN 203067282 U CN203067282 U CN 203067282U CN 201220641142 CN201220641142 CN 201220641142 CN 201220641142 U CN201220641142 U CN 201220641142U CN 203067282 U CN203067282 U CN 203067282U
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- motor
- bearing unit
- pump housing
- rotating shaft
- cylindrical shell
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Abstract
The utility model discloses a totally enclosed vertical scroll compressor of a motor above a pump body. The totally enclosed vertical scroll compressor comprises a compression pump body, a motor, a cylinder body, a bearing assembly, a rotating shaft, a lower cover and an upper cover, wherein the compression pump body is fixed with the bearing assembly through a fixed scroll; the compression pump body and the bearing assembly are arranged at the lower part of the rotating shaft; the motor is arranged at the upper part of the rotating shaft; an oil tank which is formed by surrounding of the bearing assembly and the cylinder body and is used for storing lubricant is arranged above the compression pump body; a partition board is arranged at the top of the lubricant oil tank, and the partition board is arranged on the bearing assembly; the bearing assembly is provided with a passage A; one end of the passage A is communicated with a bearing friction surface, and the other end is communicated with the oil tank; a movable scroll is provided with a passage B; one end of the passage B is communicated with the rotating shaft end mounted with the dynamic scroll, and the other end is communicated with the interior of a scroll tooth; and the fixed scroll is provided with a passage which is communicated with the cavity of the motor arranged in the middle of the cylinder body. The totally enclosed vertical scroll compressor disclosed by the utility model has the beneficial effects of being free from a supplementary bearing, small in volume, simple and convenient to assemble, low in cost and high in reliability, and has characteristics of simple and efficient oil circulating system, low oil discharge and the like.
Description
Technical field
The utility model belongs to the scroll compressor field, particularly totally-enclosed vertical scroll compressor.
Background technique
Totally-enclosed vertical scroll compressor compact structure, the most frequently used form are two bearing support structures up and down, adopt the mode of multiple spot welding to be fixed on the cylindrical shell; Scroll is positioned at the top of motor, and the oil sump of lubricant oil is positioned at the bottom of compressor.This scheme technology is comparatively ripe, and reliability is higher.Its deficiency is: two bearing support structures of this structure compressor need have very high coaxality requirement, and in order to realize functions such as oil circulation, minimizing oil extraction, some component of the corresponding increase of meeting, its amount of finish increase, and welding and packaging technology are comparatively complicated; The motor temperature height, oil drain quantity is big.
Summary of the invention
The purpose of this utility model is to simplify the structure of compressor, reduces component configuration and amount of finish, reduces the difficulty of assembling.Simultaneously, optimize the oil circuit design, reduce oil drain quantity and motor temperature.
To achieve these goals, the technical solution of the utility model is as follows: a kind of motor is placed on the totally-enclosed vertical scroll compressor of pump housing top, comprises the compression pump housing, motor, cylindrical shell, bearing unit, rotating shaft, lower cover and loam cake; The compression pump housing, motor, bearing unit and rotating shaft are contained in the cylindrical shell, loam cake and lower cover are contained in top and the bottom of cylindrical shell, the compression pump housing is by deciding vortex, moving vortex and partition ring are formed, the compression pump housing is by deciding vortex and bearing unit is fixed, it is characterized in that: the described compression pump housing and bearing unit are contained in the bottom of rotating shaft, motor is contained in the top of rotating shaft, the rotor of motor is fixed in the rotating shaft, the stator of motor is fixed in the cylindrical shell, there is the oil sump of depositing lubricant oil that is surrounded by bearing unit and cylindrical shell the top of the described compression pump housing, dividing plate is equipped with at the oil sump top, and dividing plate is installed on the bearing unit; Described bearing unit is provided with passage A, passage A one end and pivot friction face UNICOM, the other end and oil sump UNICOM; Described moving vortex is provided with channel B, channel B one end and the roller end UNICOM that moving vortex is installed, UNICOM in the other end and the scroll wrap, described decide vortex be provided with cylindrical shell in the middle part of the passage of cavity UNICOM of installation motor; Between described moving vortex and the bearing unit seal ring is arranged, seal ring is divided into chamber I and two pressure chamber of chamber II to the space between moving vortex and the bearing unit.
A kind of motor described in the utility model is placed on the totally-enclosed vertical scroll compressor of pump housing top, it is characterized in that: the tenminal block that connects the motor lighting outlet is located at and covers.
A kind of motor described in the utility model is placed on the totally-enclosed vertical compressor of pump housing top, and it is characterized in that: the described compression pump housing is placed on down and covers.
A kind of motor described in the utility model is placed on the totally-enclosed vertical compressor of pump housing top, it is characterized in that: scroll and the bearing unit of deciding vortex pass through Bolt Connection, bearing unit and cylindrical shell interference fit.
A kind of motor described in the utility model is placed on the totally-enclosed vertical compressor of pump housing top, it is characterized in that: two pressure chamber that form between described moving vortex and the bearing unit, its middle chamber I is hyperbaric chamber, communicates with compression chamber by channel B, and the chamber II is low-pressure cavity.
Totally-enclosed vertical vortex compressor lubricating oil of the present utility model utilizes pressure reduction to enter into pivot friction face from passage A, enters in the scroll wrap through channel B again, discharges by the exhaust passage at last.
The scroll of totally-enclosed vertical scroll compressor of the present utility model and bearing unit are by Bolt Connection, with the cylindrical shell interference fit; Drive motor is positioned at the top of bearing unit, with the cylindrical shell interference fit; Cylindrical shell and upper and lower covers welding.
Compared with prior art, the utlity model has following beneficial effect:
1, compressor electric motor of the present utility model is positioned at the top of the pump housing and bearing unit, bearing unit and motor and cylindrical shell interference fit, and by the lower cover support, compressor does not have supplementary bearing, does not have fixedly soldering point.The pump housing, bearing unit, rotor and rotating shaft can be formed assembly earlier, assemble with motor stator and cylindrical shell again, and assembling sequence is flexible, and crank off-centre is unrestricted, and bearing diameter can diminish.
2, because lower cover to the supporting effect that has of cylindrical shell and the compression pump housing, therefore, only need have interference fit to get final product between bearing unit and the cylindrical shell, need not to carry out the fixing welding of multiple spot.
3, compressor cylindrical shell inside is hyperbaric environment, and oil sump can utilize pressure reduction to carry out fuel feeding between the bearing and motor at cylindrical shell middle part easily.
4, the gas that contains lubricant oil is through behind the motor, and the oil content of gas can reduce greatly, is conducive to reduce lubricant oil for the influence of system pipeline, and gas is very obvious for the effect of cooling of motor.
5, tenminal block can reduce the distortion of housing like this covering of compressor.
6, under the gas pressure effect of moving vortex in the compression chamber of scroll wrap and chamber I, chamber II, can fluctuate between vortex and the main bearing decide, realize moving vortex and decide seal action between the vortex.
Description of drawings
The utility model has 3 accompanying drawings.Wherein:
Fig. 1 is totally-enclosed vertical scroll compressor embodiment's 1 of the present utility model structural representation;
Fig. 2 is totally-enclosed vertical scroll compressor embodiment's 2 of the present utility model structural representation;
Fig. 3 is the partial structurtes schematic representation of the utility model embodiment 1 the compression pump housing;
Among the figure: 1, the compression pump housing, 2, sucking pipe, 3, bearing unit, 4, motor (stator 13, rotor 14), 5, cylindrical shell, 6, loam cake, 7, lighting outlet, 8, tenminal block, 9, outlet pipe, 10, rotating shaft, 11, pipe, 12, lower cover, 13, stator, 14, rotor, 15, decide vortex, 16 moving vortexs, 17, partition ring, 18, oil sump, 19, dividing plate, 20, passage A, 21, the chamber I, 22, seal ring, 23, chamber II, 24, channel B, 25, compression chamber, 26, the exhaust passage.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
Embodiment 1
As shown in figures 1 and 3, mainly comprise the compression pump housing 1, motor 4, cylindrical shell 5, bearing unit 3, rotating shaft 10, lower cover 12 and loam cake 6; The compression pump housing 1, motor 4, bearing unit 3 and rotating shaft 10 are contained in the cylindrical shell 5, loam cake 12 and lower cover 6 are welded on top and the bottom of cylindrical shell 5, the compression pump housing 1 is by deciding vortex 15, moving vortex 16 and partition ring 17 are formed, the compression pump housing 1 is fixing with bearing unit 3 by deciding vortex 15, the compression pump housing 1 and bearing unit 3 are contained in the bottom of rotating shaft 10, bearing unit 3 and cylindrical shell 5 interference fit, motor 4 is contained in the top of rotating shaft 10, the rotor 14 of motor is fixed in the rotating shaft 10, the stator 13 of motor is fixed in the cylindrical shell 5, with cylindrical shell 5 interference fit, there is the oil sump of depositing lubricant oil 18 that is surrounded by bearing unit 3 and cylindrical shell 5 top of the compression pump housing 1, dividing plate 19 is equipped with at oil sump 18 tops, and dividing plate 19 is installed on the bearing unit 3; Bearing unit is provided with passage A 20, passage A 20 1 ends and pivot friction face UNICOM, the other end and oil sump 18 UNICOMs; Moving vortex 16 is provided with channel B 24, channel B 24 1 ends and the roller end UNICOM that moving vortex is installed, UNICOM in the other end and the scroll wrap, decide vortex 15 be provided with cylindrical shell in the middle part of the passage of cavity UNICOM of installation motor.The lighting outlet 7 of motor 4 is connected with tenminal block 8 on the loam cake 6.
The bottom of cylindrical shell is the low pressure cavity, and the top of cylindrical shell is high-pressure chamber, between two cavitys sealing is arranged.During compressor operation, gas is entered by sucking pipe 2 in the low pressure cavity of cylindrical shell bottom, through the buffering of cavity, is conducive to keep the stable of air-flow.Low-pressure gas is through decide vortex 15 and moving vortex 16 formed a plurality of cavitys compressions, enters the middle part of compressor by pipe 11, and the gas motor 4 of flowing through again is by outlet pipe 9 discharges.
As shown in Figure 3, when compressor operation, oil sump 18 is in the hyperbaric environment, under pressure, lubricant oil flows into each rubbing surface in rotating shaft 10, bearing unit 3 and the compression pump housing 1 by passage A 20 and channel B 24, discharge by exhaust passage 26 with gas then, enter the cylindrical shell middle part by managing 11, through the filtration of motor, lubricant oil flows back in the oil sump 18 along the inwall of motor 4 and cylindrical shell 5.The dividing plate 19 of oil sump 18 tops can prevent that oil droplet from spilling, and can prevent that also air-flow from stirring the pasta of oil sump 18.
Embodiment 2 as shown in Figure 2, embodiment 2 is that with embodiment 1 the main distinction embodiment 2 sucking pipe 2 directly is connected with the air-breathing cavity of vortex, cylindrical shell 5 inside are hyperbaric environments.Pressurized gas through the swirl chamber compression directly enter in the cylindrical shell 5, pass through motor 4 again, are discharged by outlet pipe 9.
Claims (4)
1. a motor is placed on the totally-enclosed vertical scroll compressor of pump housing top, comprises the compression pump housing (1), motor (4), cylindrical shell (5), bearing unit (3), rotating shaft (10), lower cover (12) and loam cake (6); The compression pump housing (1), motor (4), bearing unit (3) and rotating shaft (10) are contained in the cylindrical shell (5), loam cake (6) and lower cover (12) are contained in top and the bottom of cylindrical shell (5), the compression pump housing (1) is by deciding vortex (15), moving vortex (16) and partition ring (17) are formed, the compression pump housing (1) is fixing with bearing unit (3) by deciding vortex (15), it is characterized in that: the described compression pump housing (1) and bearing unit (3) are contained in the bottom of rotating shaft (5), motor (4) is contained in the top of rotating shaft, the rotor of motor (14) is fixed in the rotating shaft (5), the stator of motor (13) is fixed in the cylindrical shell, there is the oil sump of depositing lubricant oil (18) that is surrounded by bearing unit (3) and cylindrical shell (5) top of the described compression pump housing (1), dividing plate (19) is equipped with at oil sump (18) top, and dividing plate is installed on the bearing unit (3); Described bearing unit (3) is provided with passage A(20), passage A(20) end and pivot friction face UNICOM, the other end and oil sump (18) UNICOM; Described moving vortex (16) is provided with channel B (24), channel B (24) one ends and rotating shaft (5) the end UNICOM that moving vortex (16) is installed, UNICOM in the other end and the scroll wrap describedly decide vortex (15) and is provided with passage with the cavity UNICOM of cylindrical shell middle part installation motor; Between described moving vortex (16) and the bearing unit (3) seal ring (22) is arranged, seal ring (22) is divided into chamber I (21) and (23) two pressure chamber of chamber II to the space between moving vortex (16) and the bearing unit (3).
2. a kind of motor according to claim 1 is placed on the totally-enclosed vertical scroll compressor of pump housing top, it is characterized in that: the tenminal block (8) that connects motor lighting outlet (7) is located on the loam cake (6).
3. a kind of motor according to claim 1 is placed on the totally-enclosed vertical scroll compressor of pump housing top, it is characterized in that: decide vortex (15) and pass through Bolt Connection with bearing unit (3), bearing unit (3) and cylindrical shell interference fit.
4. a kind of motor according to claim 1 is placed on the totally-enclosed vertical scroll compressor of pump housing top, it is characterized in that: two pressure chamber that form between described moving vortex (16) and the bearing unit (3), its middle chamber I (21) is hyperbaric chamber, communicate with compression chamber (25) by channel B (24), chamber II (23) is low-pressure cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220641142 CN203067282U (en) | 2012-11-27 | 2012-11-27 | Totally enclosed vertical scroll compressor of motor above pump body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220641142 CN203067282U (en) | 2012-11-27 | 2012-11-27 | Totally enclosed vertical scroll compressor of motor above pump body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203067282U true CN203067282U (en) | 2013-07-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220641142 Expired - Lifetime CN203067282U (en) | 2012-11-27 | 2012-11-27 | Totally enclosed vertical scroll compressor of motor above pump body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203067282U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953990A (en) * | 2012-11-27 | 2013-03-06 | 大连三洋压缩机有限公司 | Full-closed vertical scroll compressor with motor placed over pump body |
| WO2017124964A1 (en) * | 2016-01-18 | 2017-07-27 | 广东美的暖通设备有限公司 | Method for reducing back pressure fluctuation of scroll compressor, and scroll compressor |
-
2012
- 2012-11-27 CN CN 201220641142 patent/CN203067282U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953990A (en) * | 2012-11-27 | 2013-03-06 | 大连三洋压缩机有限公司 | Full-closed vertical scroll compressor with motor placed over pump body |
| WO2017124964A1 (en) * | 2016-01-18 | 2017-07-27 | 广东美的暖通设备有限公司 | Method for reducing back pressure fluctuation of scroll compressor, and scroll compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: PANASONIC APPLIANCES COMPRESSOR (DALIAN) CO., LTD. Free format text: FORMER NAME: DALIAN SANYO COMPRESSOR CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 116600 Dalian economic and Technological Development Zone, Liaoning Pine Street, No. 8 Patentee after: PANASONIC APPLIANCES COMPRESSOR (DALIAN) CO.,LTD. Address before: 116033, No. 8 Song Lan street, Dalian economic and Technological Development Zone, Liaoning, China Patentee before: DALIAN SANYO COMPRESSOR Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130717 |
|
| CX01 | Expiry of patent term |