CN201714670U - Oil path sealing structure of compressor - Google Patents
Oil path sealing structure of compressor Download PDFInfo
- Publication number
- CN201714670U CN201714670U CN 201020240776 CN201020240776U CN201714670U CN 201714670 U CN201714670 U CN 201714670U CN 201020240776 CN201020240776 CN 201020240776 CN 201020240776 U CN201020240776 U CN 201020240776U CN 201714670 U CN201714670 U CN 201714670U
- Authority
- CN
- China
- Prior art keywords
- oil
- fuel feeding
- feeding cover
- compressor
- groove
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model relates to an oil path sealing structure of a compressor, which comprises a moving mechanism part, a motor part, a lower part oil tank and a compressor oil supply path, wherein the moving mechanism part and the motor part are arranged in a sealed casing, the lower part oil tank is arranged at the bottom part of the sealed casing, the compressor oil supply path is used for providing the lubrication for the moving mechanism part, the inside of the sealed casing is separated into a high-pressure cavity positioned at the upper part and a low-pressure cavity positioned at the lower part through the moving mechanism, the moving mechanism part consists of an air cylinder, a piston, a slide sheet, a long bearing and a short bearing, the piston and the slide sheet are arranged in the air cylinder, the long bearing and the short bearing support an eccentric crank shaft, the compressor oil supply path consists of a center oil hole and bearing oil return paths, the center oil hole is penetrated through both the upper end and the lower end of the eccentric crank shaft, the bearing oil return paths are arranged in the long bearing and the short bearing, the upper end of the short bearing is connected with an oil supply cover through a sealing ring, the oil supply cover, the upper end of the short bearing and the upper end of the eccentric crank shaft are simultaneously surrounded into a flow guide cavity, and the flow guide cavity is communicated with the center oil hole and the bearing oil return paths. The utility model utilizes the sealing ring for realizing the sealing effect between the oil supply oil path positioned in the low-pressure region inside the flow guide cavity and the outside high-pressure cavity, and the separation and the sealing of the high pressure and the low pressure can be reliably and effectively ensured through the structure.
Description
Technical field
The utility model relates to the oil circuit sealing configuration of a kind of rotary compressor, particularly a kind of compressor.
Background technique
The R22 refrigeration agent is classified as the refrigeration agent that time limit is progressively eliminated by " Montreal is agreed " book.Europe, Japan begin to turn to the R410A refrigeration agent to substitute already, and the U.S. also will forbid that in 2010 R22 uses in new refrigeration product.China has also accelerated the paces that R22 eliminates, and will be frozen in the average level in 2009～2010 years in 2013, will reach 10% the requirement of cutting down baseline values in 2015.And more domestic main brands also begin to release the environment-friendly air conditioner of R410A as refrigeration agent.Yet the GWP value of R410A is also bigger than R22, and " Kyoto Protocol " classified R410A as the greenhouse gases of controlled discharge, the replacement scheme that all R410A neither be long-range.
As HCFC (as R22), the alternative refrigerant of HFC (as R410A, R407C)), carbon-hydrogen refrigerant industry concern the most now.But carbon-hydrogen refrigerant is used for air-conditioner system, and a very important problem is arranged, and is exactly that it has high combustibility, must limit the refrigeration agent enclosed volume of hydrocarbon air-conditioner system.So be necessary to reduce significantly the amount of refrigerant in the compressor housing, thereby make that the refrigeration agent enclosed volume of air conditioner machine system is also reduced.The structure that compressor inside is arranged to have than the hyperbaric chamber in the low-pressure cavity of large space and less space can reduce the amount of refrigerant of compressor inside preferably.Yet, be in the compressor of high low pressure structure in the inner space, because central hole of the crankshaft fuel feeding road is a low pressure, and the fuel feeding diversion cavity is in the hyperbaric chamber, the leakage of high low pressure will cause the fuel feeding difficulty, thereby seriously reduce the Performance And Reliability of compressor.
The model utility content
The purpose of this utility model aims to provide a kind of oil circuit sealing configuration of simple and reasonable, compressor that sealing reliability is strong, to overcome deficiency of the prior art.
By the oil circuit sealing configuration of a kind of compressor of this purpose design, comprise motion portion and the motor section, the bottom oil sump that is positioned at the closed shell bottom that are arranged in the closed shell, lubricated compressor oil-supplying road be provided for motion portion; The inner passive movement of closed shell mechanism is divided into superposed hyperbaric chamber and is positioned at the low-pressure cavity of bottom; Motion portion by cylinder, be arranged on piston in the cylinder and slide plate and support the long bearing of eccentric crankshaft and minor axis holds and constitutes; The compressor oil-supplying route runs through eccentric crankshaft, and up and down the center oilhole, the scavenge oil road that is arranged in the length bearing at two ends constitute; Its structure characteristic is to be tightly connected by seal ring and fuel feeding cover on minor axis holds, and fuel feeding cover and minor axis hold the upper end, the eccentric crankshaft upper end surrounds diversion cavity jointly; Diversion cavity communicates with center oilhole and scavenge oil road.
Described minor axis holds the upper end and extends boss, and the fuel feeding enclosure is located on the boss; Seal ring is arranged between fuel feeding cover inwall and the outer wall of boss.
The corresponding fuel feeding shroud ring of described outer wall of boss shape is provided with limited step, and the step side annular is provided with groove; Seal ring is the O RunddichtringO, is arranged in the groove.
Described outer wall of boss annular is provided with outer step, and outer step side annular is provided with groove; The outer step of fuel feeding cover inwall correspondence is provided with interior step, and the step surface of interior step and groove end face maintain an equal level; Seal ring is the self-tightening sealing ring that the cross section is the Y type of putting upside down, is arranged in the groove, and the step surface of upper end and interior step and groove end face join, and inside and outside both sides join with recess sidewall and fuel feeding cover inwall respectively.
A kind of oil circuit sealing configuration of compressor comprises the motion portion and the motor section that are arranged in the closed shell, lubricated compressor oil-supplying road is provided for motion portion; The inner passive movement of closed shell mechanism is divided into superposed low-pressure cavity and is positioned at the hyperbaric chamber of bottom; Motion portion by cylinder, be arranged on piston in the cylinder and slide plate and support the long bearing of eccentric crankshaft and minor axis holds and constitutes; Minor axis holds and is provided with the top oil sump, and the lower end that minor axis holds is provided with the fuel feeding cover, and fuel feeding cover and minor axis hold the lower end, the eccentric crankshaft lower end surrounds diversion cavity jointly; The compressor oil-supplying road is communicated with the top oil sump by diversion cavity and fuel supply line successively; Its structure characteristic is that the fuel feeding cover holds the lower end by seal ring and minor axis and is tightly connected.
Described minor axis holds the lower end and extends boss, and the fuel feeding enclosure is located on the boss; Seal ring is arranged between fuel feeding cover inwall and the outer wall of boss.
The corresponding fuel feeding shroud ring of described outer wall of boss shape is provided with limited step, and the step side annular is provided with groove; Seal ring is the O RunddichtringO, is arranged in the groove.
Described outer wall of boss annular is provided with outer step, and outer step side annular is provided with groove; The outer step of fuel feeding cover inwall correspondence is provided with interior step, and the step surface of interior step and groove floor maintain an equal level; Seal ring is the self-tightening sealing ring that the cross section is the Y type, is arranged in the groove, and the step surface and the groove floor of lower end and interior step are joined, and inside and outside both sides join with recess sidewall and fuel feeding cover inwall respectively.
The utility model seals diversion cavity inside by seal ring between the oil feeding line of low pressure area and external high pressure chamber, separation and sealing that this structure can reliable and effective assurance high low pressure.It is simple and reasonable, reaches the effect of seal isolation preferably, and can guarantee the reliability that seals preferably.
Description of drawings
Fig. 1 is the utility model one example structure schematic representation.
Fig. 2 is an A place structure for amplifying schematic representation among Fig. 1.
Fig. 3 is another embodiment's partial structurtes schematic representation of the utility model.
Fig. 4 is the another example structure schematic representation of the utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
First embodiment
Referring to Fig. 1, Fig. 2, the oil circuit sealing configuration of this compressor comprises motion portion and the motor section 16, the bottom oil sump 11 that is positioned at closed shell 9 bottoms that are arranged in the closed shell 9, lubricated compressor oil-supplying road is provided for motion portion.The inner passive movement of closed shell 9 mechanism is divided into superposed hyperbaric chamber 1 and is positioned at the low-pressure cavity 2 of bottom.Motion portion is positioned at motor section 16 tops, by cylinder 10, be arranged on piston 14 and the slide plate 12 in the cylinder 10 and support the long bearing 15 of eccentric crankshaft 4 and minor axis holds 3 and constitutes.The compressor oil-supplying route runs through the center oilhole at eccentric crankshaft two ends about in the of 4, the scavenge oil road that is arranged in the length bearing constitutes.Minor axis holds 3 upper ends and is tightly connected by seal ring and fuel feeding cover 5, and fuel feeding cover 5 holds 3 upper ends with minor axis, eccentric crankshaft 4 upper ends surround diversion cavity 13 jointly; Diversion cavity 13 communicates with center oilhole and scavenge oil road.
Minor axis holds 3 upper ends and extends boss, and fuel feeding cover 5 is set on the boss; Seal ring is arranged between fuel feeding cover 5 inwalls and the outer wall of boss.The corresponding fuel feeding cover of outer wall of boss 5 annulars are provided with limited step, and the step side annular is provided with groove 6; Seal ring is an O RunddichtringO 7, is arranged in the groove 6.
Its working principle is: from bottom oil sump 11 pump oil, arrival is arranged in the diversion cavity 13 that minor axis holds 3 ends, gets back to bottom oil sump 11 by the scavenge oil road again by eccentric crankshaft 4 center oilholes on the compressor oil-supplying road.In this structure, because diversion cavity 13 internal communication is the low-pressure cavity 2 of bottom, and the diversion cavity outside is the hyperbaric chamber 1 that is positioned at the exhaust pressure district, by being arranged on the groove 6 that minor axis holds 3 boss outer rings, and be installed in O RunddichtringO in the groove 6, as shown in Figure 2, under the pressuring action of fuel feeding cover 5, compressive strain by the O RunddichtringO or resiliently deformable effect realize the effect of sealing, and guarantee the reliability of sealing.
Second embodiment
Referring to Fig. 3, minor axis holds 3 ' outer wall of boss annular and is provided with outer step, and outer step side annular is provided with groove 6 '; Step 18 in the outer step of fuel feeding cover 5 ' inwall correspondence is provided with, the step surface of interior step and groove 6 ' end face maintain an equal level; Seal ring is the self-tightening sealing ring 19 that the cross section is the Y type of putting upside down, is arranged in the groove, and the step surface of upper end and interior step 18 and groove 6 ' end face join, and inside and outside both sides join with groove 6 ' sidewall and fuel feeding cover 5 ' inwall respectively.Other does not state part with first embodiment.
Its working principle is: be installed in the groove 6 ' for self-tightening sealing ring 19, seal ring structure in detail as shown in Figure 3, externally with the effect of internal high pressure difference under, self-tightening sealing ring 19 is adjacent to fuel feeding cover 5 ' and minor axis and holds slit between the 3 ' boss, and pressure reduction is big more, impacting force is big more, and sealing effect is good more.All the other are identical with embodiment one, no longer repeat.
The 3rd embodiment
Referring to Fig. 4, the oil circuit sealing configuration of this compressor comprises the motion portion and the motor section that are arranged in the closed shell, lubricated compressor oil-supplying road is provided for motion portion; The inner passive movement of closed shell mechanism is divided into superposed low-pressure cavity 22 and is positioned at the hyperbaric chamber 21 of bottom; Motion portion is arranged on motor section below, by cylinder, be arranged on piston and the slide plate in the cylinder and support the long bearing of eccentric crankshaft 24 and minor axis holds 23 and constitutes; Minor axis holds 23 and is provided with top oil sump 26, and minor axis holds 23 lower end and is provided with fuel feeding cover 25, and fuel feeding cover 25 holds 23 lower ends with minor axis, eccentric crankshaft 24 lower ends surround diversion cavity 28 jointly; The compressor oil-supplying road is communicated with top oil sump 26 by diversion cavity 28 and fuel supply line 27 successively; Its fuel feeding cover 25 holds 23 lower ends by seal ring and minor axis and is tightly connected.
Minor axis holds 23 lower ends and extends boss, and fuel feeding cover 25 is set on the boss; Seal ring is arranged between fuel feeding cover 25 inwalls and the outer wall of boss.The corresponding fuel feeding cover of outer wall of boss 25 annulars are provided with limited step, and the step side annular is provided with groove; Seal ring is an O RunddichtringO 7, is arranged in the groove.
Its working principle is: compressor inner space passive movement mechanism is separated into the low-pressure cavity 22 on top and the hyperbaric chamber 21 of bottom, the compressor oil-supplying road imports lubricant oil in the diversion cavity 28 from the top oil sump 26 of low-pressure cavity 22 by fuel supply line 27, by eccentric crankshaft 24 center oilhole pump oil mechanisms lubricant oil is supplied with motion structure and realizes lubricated.In this structure, because diversion cavity 28 internal communication is the low-pressure cavity 22 on top, and the diversion cavity outside is the hyperbaric chamber 21 that is positioned at the exhaust pressure district, by being arranged on the groove that minor axis holds 23 boss outer rings, and be installed in O RunddichtringO 7 in the groove, O RunddichtringO 7 structures in detail as shown in Figure 2, under the pressuring action of fuel feeding cover 23, compressive strain by the O RunddichtringO or resiliently deformable effect realize the effect of sealing, and guarantee the reliability of sealing.
The 4th embodiment
The outer wall of boss annular that minor axis holds is provided with outer step, and outer step side annular is provided with groove; The outer step of fuel feeding cover inwall correspondence is provided with interior step, and the step surface of interior step and groove floor maintain an equal level; Seal ring is the self-tightening sealing ring (referring to the self-tightening sealing ring 19 among Fig. 3) that the cross section is the Y type, is arranged in the groove, and the step surface and the groove floor of lower end and interior step are joined, and inside and outside both sides join with recess sidewall and fuel feeding cover inwall respectively.Said structure specifically can be with reference to the annexation between figure 3 short-and-medium bearings, self-tightening sealing ring and the fuel feeding cover.Other does not state part with the 3rd embodiment.
The working principle of above-mentioned self-tightening sealing ring is as second embodiment.
Claims (8)
1. the oil circuit sealing configuration of a compressor comprises motion portion and the motor section (16), the bottom oil sump (11) that is positioned at closed shell (9) bottom that are arranged in the closed shell (9), lubricated compressor oil-supplying road is provided for motion portion; The inner passive movement of closed shell (9) mechanism is divided into superposed hyperbaric chamber (1) and is positioned at the low-pressure cavity (2) of bottom; Motion portion holds (3) by cylinder (10), the long bearing (15) that is arranged on the interior piston (14) of cylinder (10) and slide plate (12) and support eccentric crankshaft (4) and minor axis and constitutes; The compressor oil-supplying route runs through eccentric crankshaft (4), and the center oilhole, the scavenge oil road that is arranged in the length bearing at two ends constitute up and down; It is characterized in that minor axis holds (3) upper end and is tightly connected by seal ring and fuel feeding cover (5), fuel feeding cover (5) holds (3) upper end with minor axis, eccentric crankshaft (4) upper end surrounds diversion cavity (13) jointly; Diversion cavity (13) communicates with center oilhole and scavenge oil road.
2. according to the oil circuit sealing configuration of the described compressor of claim 1, it is characterized in that described minor axis holds (3) upper end and extends boss, fuel feeding cover (5) is set on the boss; Seal ring is arranged between fuel feeding cover (5) inwall and the outer wall of boss.
3. according to the oil circuit sealing configuration of the described compressor of claim 2, it is characterized in that corresponding fuel feeding cover (5) annular of described outer wall of boss is provided with limited step, the step side annular is provided with groove (6); Seal ring is O RunddichtringO (7), is arranged in the groove (6).
4. according to the oil circuit sealing configuration of the described compressor of claim 2, it is characterized in that described outer wall of boss annular is provided with outer step, outer step side annular is provided with groove; The outer step of fuel feeding cover inwall correspondence is provided with interior step (18), and the step surface of interior step and groove end face maintain an equal level; Seal ring is the self-tightening sealing ring (19) that the cross section is the Y type of putting upside down, is arranged in the groove, and the step surface of upper end and interior step and groove end face join, and inside and outside both sides join with recess sidewall and fuel feeding cover inwall respectively.
5. the oil circuit sealing configuration of a compressor comprises the motion portion and the motor section that are arranged in the closed shell, lubricated compressor oil-supplying road is provided for motion portion; The inner passive movement of closed shell mechanism is divided into superposed low-pressure cavity (22) and is positioned at the hyperbaric chamber (21) of bottom; Motion portion holds (23) by cylinder, the long bearing and the minor axis that are arranged on piston in the cylinder and slide plate and support eccentric crankshaft (24) and constitutes; Minor axis holds (23) and is provided with top oil sump (26), and the lower end that minor axis holds (23) is provided with fuel feeding cover (25), and fuel feeding cover (25) holds (23) lower end with minor axis, eccentric crankshaft (24) lower end surrounds diversion cavity (28) jointly; The compressor oil-supplying road is communicated with top oil sump (26) by diversion cavity (28) and fuel supply line (27) successively; It is characterized in that fuel feeding cover (25) holds (23) lower end by seal ring and minor axis and is tightly connected.
6. according to the oil circuit sealing configuration of the described compressor of claim 5, it is characterized in that described minor axis holds (23) lower end and extends boss, fuel feeding cover (25) is set on the boss; Seal ring is arranged between fuel feeding cover (25) inwall and the outer wall of boss.
7. according to the oil circuit sealing configuration of the described compressor of claim 6, it is characterized in that corresponding fuel feeding cover (25) annular of described outer wall of boss is provided with limited step, the step side annular is provided with groove; Seal ring is O RunddichtringO (7), is arranged in the groove.
8. according to the oil circuit sealing configuration of the described compressor of claim 6, it is characterized in that described outer wall of boss annular is provided with outer step, outer step side annular is provided with groove; The outer step of fuel feeding cover inwall correspondence is provided with interior step, and the step surface of interior step and groove floor maintain an equal level; Seal ring is the self-tightening sealing ring (19) that the cross section is the Y type, is arranged in the groove, and the step surface and the groove floor of lower end and interior step are joined, and inside and outside both sides join with recess sidewall and fuel feeding cover inwall respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020240776 CN201714670U (en) | 2010-06-21 | 2010-06-21 | Oil path sealing structure of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020240776 CN201714670U (en) | 2010-06-21 | 2010-06-21 | Oil path sealing structure of compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201714670U true CN201714670U (en) | 2011-01-19 |
Family
ID=43460666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020240776 Expired - Lifetime CN201714670U (en) | 2010-06-21 | 2010-06-21 | Oil path sealing structure of compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201714670U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805013A (en) * | 2016-03-10 | 2016-07-27 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN106593878A (en) * | 2017-01-24 | 2017-04-26 | 广东美芝制冷设备有限公司 | Compressor |
-
2010
- 2010-06-21 CN CN 201020240776 patent/CN201714670U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805013A (en) * | 2016-03-10 | 2016-07-27 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN106593878A (en) * | 2017-01-24 | 2017-04-26 | 广东美芝制冷设备有限公司 | Compressor |
| CN106593878B (en) * | 2017-01-24 | 2020-03-06 | 广东美芝制冷设备有限公司 | Compressor with a compressor housing having a plurality of compressor blades |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2770212B1 (en) | Rotary compressor having two cylinders | |
| CN201714669U (en) | Rotary compressor | |
| CN104061157A (en) | Scroll compressor | |
| CN100572815C (en) | Horizontal eddy compressor | |
| KR101715067B1 (en) | Rotatory compressor and refrigerating cycle device | |
| CN102192154B (en) | Rotary compressor | |
| CN201771773U (en) | Rotary type compressor | |
| CN102878082B (en) | Rotating compressor of low pressure structure in shell | |
| CN202707496U (en) | Variable-capacity rotary compressor | |
| CN201786660U (en) | Rotary compressor | |
| CN201714670U (en) | Oil path sealing structure of compressor | |
| JP2010065635A (en) | Scroll compressor | |
| CN203685568U (en) | Structure for preventing oil accumulation of high-pressure side, for automotive scroll compressor | |
| CN1966983B (en) | Rotating and swing type compressor structure | |
| CN101975166B (en) | Rolling rotor refrigeration compressor of double working face cylinder | |
| CN204941942U (en) | Rotary compressor and compression assembly thereof | |
| JP5386566B2 (en) | Scroll compressor | |
| CN213838901U (en) | Rotary compressor and refrigeration cycle system | |
| CN201884281U (en) | Single-cylinder dual-rotor rotary type refrigerating compressor | |
| CN101655091B (en) | Rotary compressor | |
| CN202117929U (en) | Lower pressure rotary compressor in shell | |
| CN101975165B (en) | Rolling piston refrigeration compressor capable of effectively utilizing space | |
| CN202132233U (en) | Rotary compressor | |
| CN105179241A (en) | Horizontal fully-closed revolving compressor with oval rotor | |
| CN202220733U (en) | Vortex compressor for realizing internal circulation of lubricating oil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110119 |