CN100386527C - Hermetic rotary compressor - Google Patents
Hermetic rotary compressor Download PDFInfo
- Publication number
- CN100386527C CN100386527C CNB031301762A CN03130176A CN100386527C CN 100386527 C CN100386527 C CN 100386527C CN B031301762 A CNB031301762 A CN B031301762A CN 03130176 A CN03130176 A CN 03130176A CN 100386527 C CN100386527 C CN 100386527C
- Authority
- CN
- China
- Prior art keywords
- valve
- rotary compressor
- output valve
- refrigeration agent
- cylinder
- 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 - Fee Related
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- 238000005057 refrigeration Methods 0.000 claims description 33
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000033228 biological regulation Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 description 28
- 230000015572 biosynthetic process Effects 0.000 description 7
- 238000005755 formation reaction Methods 0.000 description 7
- 239000003507 refrigerant Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
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- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The present invention relates to a hermetic rotary compressor which is composed of a sealed container, an electric mechanism part, a compressing mechanism part and an accumulator cell, wherein both ends of the sealed container are provided with a suction pipe and an output pipe; the electric mechanism part and the compressing mechanism part which are connected by a rotating shaft are arranged in the sealed container; the accumulator cell is connected with the suction pipe. The present invention is characterized in that a valve seat is arranged on a flange disc of an upper bearing seat, a movable output valve, a spring seat and a spring valve are arranged in the valve seat, a plurality of refrigerating agent discharge holes are arranged on the flange disc, and one end of each refrigerating agent discharge hole is communicated with the valve seat. The present invention has the advantages that because the movable output valve moving from top to bottom is used for opening and closing the refrigerating agent discharge holes and refrigerating agent discharge openings, the impact sound can not be generated, and the noise is reduced; the movable output valve and the spring valve are respectively not fixed by screw bolts, and the problem of deformation is solved; the structure reduces the dead corner of gas flow when a refrigerating agent is output; the performance of the compressor is improved.
Description
Technical field
The invention belongs to compressor, particularly relate to a kind of closed rotary compressor with the distortion of preventing and low noise.
Background technique
Present closed rotary compressor structure as shown in Figure 1 and Figure 2, it by the seal container 11 of inner confined space, be contained in mechanism portion 21 that driving force is provided in the seal container and compression mechanical part 31 of compressed refrigerant etc. and constitute.
One side of seal container is equipped with the suction pipe 13 that can suck refrigeration agent, and for the refrigeration agent of gaseous state is provided, the suction pipe the other end connects a gas-liquid separator 17, and the seal container upper end is connecting output tube 15.
Mechanism portion comprises: be fixed on the stator 22, rotor 23 of sealed container interior and on the axle center of rotor by one in conjunction with and prolong downwards, the bottom is the running shaft 24 of eccentric part 25.
Compression mechanical part comprises: the cylinder 35 that can compress the formation inner peripheral surface 36 that is drawn into the internal refrigeration storage agent; Be connected to the upper bearing bracket 41 and the step 51 of cylinder upper and lower sides and supporting rotating shaft; Combine with rotating shaft eccentric portion and the piston 33 of compressed refrigerant along with the inner peripheral surface rotation of cylinder the time.
Made inlet hole 37 in order to suck refrigeration agent in one side of cylinder, a side is provided with exhaust port 38 in order to export refrigerant compressed in the above.
Upper bearing bracket comprises: form with flange 42a and axle sleeve 42b that cylinder contacts above.The position corresponding with exhaust port is provided with refrigeration agent delivery outlet 43 in flange, is provided with the output valve 47 that can open and close the refrigeration agent delivery outlet, the stopper 49 in the restricted output valve of output valve upside top position at the upside of delivery outlet.One recess is arranged on flange, and its bottom surface communicates with the refrigeration agent delivery outlet, also by screw 48 fixedly connected along an overlapping output valve of thickness direction and an end of stopper.Recess is called valve connecting part 45.
Above-mentioned this structure of valve connecting part makes and forms recess above the flange, has reduced strength of flange, and output valve and stopper bolt, and this fixation method exists the problem that upper bearing bracket deforms easily.
In addition, output valve contacts with impact is arranged above the flange in the outside of flange, thereby can open and close the refrigeration agent delivery outlet, is easy to be delivered to the big problem of external noise with regard to existing the noise that is produced when opening and closing like this.
Have again, and on the flange of above-mentioned exhaust port opposite position the refrigeration agent delivery outlet is arranged, and output valve opens and closes this at the upside of refrigeration agent delivery outlet, has produced dead angle (dead volume) like this between output valve and exhaust port, and compressor performance is descended.
Summary of the invention
The present invention provides a kind of and prevents that distortion, noise are little, the closed rotary compressor of raising performance for solving the technical problem that exists in the known technology.
The present invention for the technological scheme that solves the technical problem that exists in the known technology and take is: closed rotary compressor of the present invention comprises that two ends are equipped with the seal container of suction pipe and output tube; The mechanism portion that the running shaft that fuses by stator, rotor, with rotor is formed is housed in the seal container; The compression mechanical part that is connected with the eccentric part of the running shaft the other end; The gas-liquid separator that is connected with suction pipe constitutes; This compressor also comprises the piston that is connected and can does eccentric motion with rotating shaft eccentric portion; Cylinder with inner peripheral surface and exhaust port; On the flange plate of the upper bearing bracket of exhaust port upside, be provided with the mobile output valve that can move along the rotating shaft axis direction and be located on the flange plate, and contact above the cylinder, with the valve base that mobile output valve is housed on the exhaust port corresponding position; Have an end and external communications on the flange plate, the refrigeration agent tap hole that the other end and valve base are communicated with is equipped with a valve spring above mobile output valve.
The present invention can also adopt following technical measures:
Described valve base is along the rotating shaft axis direction, opens and the other end sealing to cylinder one end.
Described valve spring is arranged on the inside of valve base.
The valve spring cup of the valve spring of packing in accordance with regulations is equipped with in described mobile output valve top.
Described refrigeration agent tap hole is most.
Described refrigeration agent tap hole should be when mobile output valve contacts with cylinder, and mobile output valve is closed the refrigeration agent tap hole.
Advantage and good effect that the present invention has are:
1, owing to adopt mobile output valve and valve spring, they all are to adorn in the valve base of at one end open end sealing, do not expose, and noise does not form recess not toward unofficial biography yet on flange plate.Simultaneously,, do not have impulsive sound in valve base, greatly reduce noise because mobile output valve is to move up and down.Above-mentioned valve has prevented the upper bearing bracket problem on deformation that is produced by bolt without bolt.
2, move on mobile output valve, open the refrigeration agent tap hole, high-pressure refrigerant can enter the refrigeration agent tap hole very swimmingly from exhaust port, has greatly reduced dead angle (dead volume), has improved compressor performance.
Description of drawings
Fig. 1 is the plan view of prior art closed rotary compressor;
Fig. 2 is a prior art closed rotary compressor output valve part enlarged view;
Fig. 3 is a closed rotary compressor plan view of the present invention;
Fig. 4 is that closed rotary compressor of the present invention moves output valve part enlarged view;
Fig. 5 is the shaft side figure of closed rotary compressor upper bearing bracket of the present invention.
Embodiment
For further understanding summary of the invention of the present invention, characteristics and effect, exemplify following examples now, and be described with reference to the accompanying drawings as follows:
As shown in Figure 3, Figure 4, the formation of closed rotary compressor of the present invention is to comprise: connected the piston 33 that can carry out eccentric motion on the running shaft 24 of motor 21; Possessed inner peripheral surface 36 that can carry out eccentric motion and cylinder 35 with exhaust port 38; Be provided with the mobile output valve 71 that can move at the upside of exhaust port along the axial direction of running shaft; Can block cylinder above, and with the exhaust port corresponding position on the valve base 65 of the mobile output valve of can packing into that is provided with; Wherein an end and external communications, the other end and valve base upper bearing bracket 61 that be communicated with and that have refrigeration agent tap hole 67; And for mobile output valve is contacted with the top of cylinder, and in mobile output valve, apply valve spring 73 formations such as grade of elastic force.
One side of seal container 11 is equipped with the suction pipe 13 that is connected with gas-liquid separator 17, on the top of seal container 11 refrigeration agent output tube 15 is housed.
Be equipped with at the seal container internal upper part and possess the mechanism portion 21 that stator 22 and rotor 23 and running shaft 24 are arranged, eccentric part 25 is arranged in the bottom of running shaft.
Compression mechanical part 31 comprises: the piston 33 that connects by one in the eccentric part of running shaft; Contact the cylinder that can be rotated and possess inner peripheral surface with piston; Be contained in formations such as the upper bearing bracket 61 of the both sides up and down of cylinder and supporting rotating shaft and step 51 respectively.
The formation of upper bearing bracket is: contact the flange plate 62a of disc-shape with the top of cylinder; Central authorities at flange plate have pack into running shaft and rotatable formations such as shaft sleeve 62b to its supporting.In flange plate, have most the bolts hole 64 that can pass through respectively along the axial direction of above-mentioned running shaft most individual intercommunicating pore 63 that can be communicated with up and down and the fixing bolt that can in cylinder, fixedly connected by one.
On flange plate, the surface of contact of corresponding with exhaust port locational cylinder contact along the rotating shaft axis direction in accordance with regulations the degree of depth be provided with the valve base 65 of depression, the mobile output valve 71 that moves up and down along the wall of valve base is housed in the inside of valve base.In valve base, be equipped with make mobile output valve can be on cylinder with certain flexible valve spring 73 that has of the pressure contact of regulation.
In order to block exhaust port, mobile output valve should have the bottom surface sections bigger than exhaust port, is provided with the valve spring of packing at an upper portion thereof, the valve spring cup 72 of side end depression.
Can to export in order making, to be shaped on a pair of refrigeration agent tap hole 67 from the compressed refrigeration agent of exhaust port output.The axial direction of each refrigeration agent tap hole relative rotation axi tilts respectively.
According to such formation, pack in order in the inside of valve base valve spring and mobile output valve have disposed upper bearing bracket on cylinder, and press the one secure bond with cylinder.
When motor applies power supply, the running shaft rotation, the piston that eccentric part connects is along with the inner peripheral surface of cylinder is rotated, thereby refrigeration agent is sucked compression, the compression of refrigeration agent is risen internal pressure, mobile output valve will move along the direction that valve spring shrinks, and opens the refrigeration agent tap hole, and compressed refrigeration agent is exported away by the refrigeration agent tap hole.The output of refrigeration agent reduces internal pressure, elastic force according to valve spring falls mobile output valve decline after rise, exhaust port and refrigeration agent tap hole thereby card has broken, at this moment, the noise that produces when contacting when mobile output valve decline falling and with cylinder, impact mutually and reflect in the inside of valve base, thereby reduced the sound wave energy, prevented outside propagation.
The refrigeration agent tap hole can be as the case may be, and what its size and number can be suitable adjusts.
Claims (6)
1. closed rotary compressor comprises that two ends are equipped with the seal container (11) of suction pipe (13) and output tube (15); The mechanism portion (21) that the running shaft (24) that fuses by stator (22), rotor (23), with rotor is formed is housed in the seal container; The compression mechanical part (31) that is connected with the eccentric part (25) of the running shaft the other end; The gas-liquid separator that is connected with suction pipe (17); It is characterized in that this compressor also comprises the piston (33) that is connected and can does eccentric motion with rotating shaft eccentric portion; Cylinder (35) with inner peripheral surface (36) and exhaust port (38); On the flange plate (62a) of the upper bearing bracket (61) of exhaust port upside, be provided with the mobile output valve (71) that can move along the rotating shaft axis direction and be located on the flange plate, with contact above the cylinder, with the valve base (65) that mobile output valve is housed on the exhaust port corresponding position; Have an end and external communications on the flange plate, the refrigeration agent tap hole (67) that the other end and valve base are communicated with is equipped with a valve spring (73) above mobile output valve.
2. closed rotary compressor according to claim 1 is characterized in that valve base is along the rotating shaft axis direction, opens and the other end sealing to cylinder one end.
3. closed rotary compressor according to claim 1 and 2 is characterized in that valve spring is arranged on the inside of valve base.
4. closed rotary compressor according to claim 1 is characterized in that mobile output valve top is equipped with the valve spring cup (72) of the valve spring of packing in accordance with regulations.
5. closed rotary compressor according to claim 1 is characterized in that the refrigeration agent tap hole is most.
6. closed rotary compressor according to claim 1 or 5 is characterized in that the refrigeration agent tap hole should be when mobile output valve contacts with cylinder, and mobile output valve is closed the refrigeration agent tap hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031301762A CN100386527C (en) | 2003-06-17 | 2003-06-17 | Hermetic rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031301762A CN100386527C (en) | 2003-06-17 | 2003-06-17 | Hermetic rotary compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1566700A CN1566700A (en) | 2005-01-19 |
| CN100386527C true CN100386527C (en) | 2008-05-07 |
Family
ID=34469554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031301762A Expired - Fee Related CN100386527C (en) | 2003-06-17 | 2003-06-17 | Hermetic rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100386527C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BRPI0611232A2 (en) * | 2005-08-04 | 2010-08-24 | Arcelik As | compressor |
| JP5235962B2 (en) * | 2010-09-28 | 2013-07-10 | 三菱電機株式会社 | Scroll compressor |
| CN104329258A (en) * | 2014-11-04 | 2015-02-04 | 广东美芝制冷设备有限公司 | Electric compressor |
| CN105889023A (en) * | 2015-01-06 | 2016-08-24 | 陈小辉 | Energy-saving gas compressor |
| CN105889024A (en) * | 2015-01-07 | 2016-08-24 | 陈小辉 | Energy-saving compressor |
| CN105782039A (en) * | 2016-04-19 | 2016-07-20 | 彭力丰 | Rotary compressor high in volume efficiency |
| CN105736371A (en) * | 2016-04-19 | 2016-07-06 | 彭力丰 | Rotary compressor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4548234A (en) * | 1981-11-04 | 1985-10-22 | Copeland Corporation | Discharge valve assembly |
| JPH09158878A (en) * | 1995-12-11 | 1997-06-17 | Toshiba Ave Corp | Rotary compressor |
| US6179589B1 (en) * | 1999-01-04 | 2001-01-30 | Copeland Corporation | Scroll machine with discus discharge valve |
| CN1363775A (en) * | 2001-12-14 | 2002-08-14 | 乐金电子(天津)电器有限公司 | Valve unit of sealed rotary compressor |
| CN1407234A (en) * | 2001-09-05 | 2003-04-02 | 科普兰公司 | Exhaust valve of compressor |
-
2003
- 2003-06-17 CN CNB031301762A patent/CN100386527C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4548234A (en) * | 1981-11-04 | 1985-10-22 | Copeland Corporation | Discharge valve assembly |
| JPH09158878A (en) * | 1995-12-11 | 1997-06-17 | Toshiba Ave Corp | Rotary compressor |
| US6179589B1 (en) * | 1999-01-04 | 2001-01-30 | Copeland Corporation | Scroll machine with discus discharge valve |
| CN1407234A (en) * | 2001-09-05 | 2003-04-02 | 科普兰公司 | Exhaust valve of compressor |
| CN1363775A (en) * | 2001-12-14 | 2002-08-14 | 乐金电子(天津)电器有限公司 | Valve unit of sealed rotary compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1566700A (en) | 2005-01-19 |
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| 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 | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080507 |