CN103147959B - The oil supplying device of Linearkompressor - Google Patents
The oil supplying device of Linearkompressor Download PDFInfo
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- CN103147959B CN103147959B CN201110404612.3A CN201110404612A CN103147959B CN 103147959 B CN103147959 B CN 103147959B CN 201110404612 A CN201110404612 A CN 201110404612A CN 103147959 B CN103147959 B CN 103147959B
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Abstract
The invention belongs to Linearkompressor technical field, particularly relate to a kind of device of the friction portion fuel feeding for cylinder in Linearkompressor and piston.Oil supplying device of the present invention is arranged on the bottom of the frame of the Linearkompressor in seal container, oil drain passage is provided with in frame, the oil inlet hole place of oil drain passage is horizontally installed with baffle plate, oil cylinder successively, be arranged on the first spring and the second spring that in-oil cylinder piston two ends are respectively equipped with prepressing deformation, the bottom of described baffle plate is provided with the oil inlet passage be connected with oil cylinder, described oil sucting valve is arranged on the joint of oil inlet passage and oil cylinder, and described draining valve installs the oily passage of baffle plate and the joint of oil drain passage.Oil sucting valve is arranged on oil inlet passage and the wider joint of oil cylinder by the present invention, draining valve is arranged on the oily passage of baffle plate and the wider joint of oil drain passage, the oil sucting valve of this mounting type and draining valve structure are simply easy to manufacture and assembling, simplify the processing technology of oil sucting valve and draining valve.
Description
Technical field
The invention belongs to Linearkompressor technical field, particularly relate to a kind of device of the friction portion fuel feeding for cylinder in Linearkompressor and piston.
Background technique
The compressor that conventional refrigeration equipment adopts utilizes turning motor, adds a set ofly rotary motion to be converted to reciprocating crankshaft-linking rod drive mechanism to promote piston compression refrigerant gas.Because each component manufactures complicated, and can produce friction between component, therefore, the efficiency of compressor reduces, and power consumption is large.
Linearkompressor adopts permanent magnet and the linear motor of coil groups to replace crank mechanism and electric rotating machine, makes reciprocating motion of the pistons carry out compressed refrigerant.Linearkompressor by reducing the quantity of dirivig member, thus reduces the friction between component.For reducing the energy loss caused that rubs further, the friction portion supply lubricant oil between usually also needing the component with relative movement, conventional piston formula compressor adopts rotary motion fuel feeding, and this fuel system is not suitable for Linearkompressor.
Linearkompressor can have multiple oil supplying device, provides oil supplying device to be in order to the friction portion between the piston of lubricate compressors and cylinder, makes piston movement more smooth.Figure 1 shows that a kind of Linearkompressor with oil supplying device in prior art.This compressor set C is arranged in a seal container V, and its underpart is filled with lubricant oil, for suction, compression and discharging refrigerant; Oil supplying device O is fixed on the bottom of compression set C, for the friction portion fuel feeding to structural member.
Existing compression set C comprises the frame 1 being arranged on airtight container V inside, and cylinder 2 is positioned at the central position of frame 1; It is inner that piston 3 inserts cylinder 2, and linear electric motor compressor C makes horizontal back and forth movement; The rear end part of piston 3 is connected with magnet 7, and the end that seal container V inside has two groups of piston springs, 9, two groups of piston springs 9 props up supporting element 8, the end of the front end of piston spring 9 flexibly support piston 3; The front end of cylinder 2 is provided with can the exhaust cap 5 of switch, is provided with outlet valve 4 in this exhaust cap 5, and this outlet valve 4 can be opened or closed cylinder 2 along with the back and forth movement of piston 3.
First oil groove 2a is positioned on the inner circumferential surface of the through hole of frame 1, and the first oil groove 2a is communicated with the discharge side of oil supplying device O by oil inlet passage 1a.The outer round surface of piston 3 is formed the second oil groove 3a.Form through hole 4a on the cylinder 2, the first oil groove 2a is communicated with the second oil groove 3a.Have the oil circulation passage 1d formed by the through hole of the outer round surface of cylinder 2, frame 1 and exhaust cap 5 at the top of the first oil groove 2a, this passage 1d is communicated with oily passage 1c.Be provided with oil drainage hole 1e at the foot of oil circulation passage 1d, make the oil circulated by oily passage 1d return airtight container V.
Fig. 2 is the vertical section figure of the oil supplying device of Linearkompressor of the prior art.Oil supplying device O comprises: be fixed on the oil cylinder 21 bottom compression set C; Insert the piston 22 in oil cylinder 21, this piston 22 is divided into oil suction space S 1 and oil extraction space S 2 the inside of oil cylinder 21; First spring 23A and the second spring 23B, difference flexibly supporting piston 22 two ends, press to oil cylinder 21 by piston 22; Oil suction lid 24 and oil extraction lid 25, be respectively used to the other end of supporting first spring 23A and the second spring 23B, and be fixed on compression set C by the two ends of oil cylinder 21 respectively; Oil sucting valve 26 is located between the outlet of piston 22 and the second spring 23B, and is supported by the second spring 23B; And be positioned at the second spring 23B the other end and be arranged on the draining valve 27 of oil extraction lid 25 inside.
According to the general work process of Linearkompressor, piston 3 does to-and-fro motion uninterruptedly in cylinder 2, and flowing to, compress and discharging of refrigerant gas is carried out in circulation.Now, when compression set C vibrates together with magnet component in the horizontal direction along with the linear reciprocating motion of magnet component 7 (i.e. the rotor of linear motor), drive oil supplying device O to move reciprocatingly vibration passing to the oil supplying device O be fixed on compression set C simultaneously.Now, piston 22 slides in oil cylinder 21, makes lubricant oil to be sucked by inertia along with the to-and-fro motion of oil cylinder 21 and discharge.
For making oil sucting valve 26 be arranged in oil cylinder 21, limit the shape of oil sucting valve 26, general employing is spiral-shaped, inserts in oil cylinder 21, and is withstood the exit portion of piston 22 by the second spring 23B tightly.Meanwhile, draining valve 27 is rectangular, is attached on the outer surface of oil cylinder 21 oil extraction side, is supported by oil extraction lid 25.
At present, because the oil sucting valve controlling oil turnover in the oil supplying device of existing Linearkompressor will be arranged in the less oil cylinder of diameter, need the oil sucting valve of small volume to meet installation requirement, and be arranged on in-oil cylinder oil sucting valve there is certain shape, the oil sucting valve manufacture of small volume and the difficulty of assembling larger.In addition, because oil suction lid must adopt larger pressure to insert the end of resilient member, to make the piston be positioned in the middle of resilient member, there is enough large stretching elasticity, but this kind of assembly method difficulty is larger, limit the elastic force that piston is flexible, thus limit suction and the discharge capacity of lubricant oil, reduce manufacturing efficiency.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention how to provide a kind of convenient oil supplying device controlling the import of lubricant oil and the manufacture of the valve of outlet and the Linearkompressor of assembling, and improve the flexible elastic force of piston further, to improve suction and the discharge capacity of lubricant oil, enhance productivity.
(2) technological scheme
In order to solve the problems of the technologies described above, the invention provides a kind of oil supplying device of Linearkompressor, described oil supplying device is arranged on the bottom of the frame of the Linearkompressor in seal container, and described oil supplying device comprises oil cylinder, piston, oil sucting valve, draining valve and baffle plate; Oil drain passage is provided with in described frame, one end of described oil drain passage is connected with the oil groove of frame, the other end is the oil inlet hole being arranged on frame side, and described oil inlet hole place is horizontally installed with baffle plate, oil cylinder successively, and described baffle plate has the oily passage be connected with oil inlet hole and oil cylinder; Described piston is arranged in oil cylinder, and its two ends are respectively equipped with the first spring and second spring of prepressing deformation, and the two ends of described first spring prop up bottom and the piston of oil cylinder respectively, and the two ends of described second spring prop up piston and baffle plate respectively; The bottom of described baffle plate is provided with the oil inlet passage be connected with oil cylinder, and described oil inlet passage is connected with oil inlet pipe; Described oil sucting valve is arranged on the joint of oil inlet passage and oil cylinder, and described draining valve is arranged on the oily passage of baffle plate and the joint of oil drain passage.
Wherein, the joint of described baffle plate and oil cylinder is provided with the first connecting plate, described first connecting plate has the first passage of height higher than oil inlet passage, described oil sucting valve is arranged on the joint of described first passage and oil inlet passage, described oil cylinder props up described first connecting plate, described first connecting plate has the oily passage be connected with baffle plate with oil cylinder, and the second spring props up described first connecting plate; The joint of described baffle plate and frame is provided with the second connecting plate, and described second connecting plate has the second channel of height higher than oil drain passage, and described draining valve is arranged on the joint of described second channel and oil drain passage.
Wherein, between described frame with the second connecting plate, the second connecting plate with between baffle plate, the first connecting plate adopts fastening piece to be connected with between baffle plate, between oil cylinder with the first connecting plate respectively.
Wherein, the joint of described frame and the second connecting plate is a cover plate, and the below of described cover plate is the oil inlet hole of oil drain passage.
Wherein, the joint of described first connecting plate and the second spring has second boss to piston direction projection, described second spring is closely enclosed within the outer rim of described second boss, and described second boss has the oily passage be connected with the oily passage of baffle plate with oil cylinder.
Wherein, the bottom of described oil cylinder has first boss to piston direction projection, and described first spring is closely enclosed within the outer rim of described first boss, and described first boss has oilhole.
Wherein, the upper and lower surface of described piston and the inwall of oil cylinder adopt Spielpassung, guarantee that piston can slide in oil cylinder.
(3) beneficial effect
A kind of Linearkompressor oil supplying device that above technological scheme provides, oil cylinder of the present invention is arranged in frame by baffle plate level, oil sucting valve is arranged on oil inlet passage and the wider joint of oil cylinder, draining valve is arranged on the oily passage of baffle plate and the wider joint of oil drain passage, the oil sucting valve of this mounting type and draining valve structure are simply easy to manufacture and assembling, simplify the processing technology of oil sucting valve and draining valve; Further, adopt fastening piece Placement, be easy to make in-oil cylinder spring be subject to prepressing deformation, make the piston in oil cylinder have larger elastic force scope, improve manufacturing efficiency.
Accompanying drawing explanation
Fig. 1 is the vertical section figure of normal linear compressor of the prior art;
Fig. 2 is the vertical section figure of the oil supplying device of Linearkompressor of the prior art;
Fig. 3 is the vertical section figure of the oil supplying device of Linearkompressor of the present invention;
Fig. 4 is the vertical section figure under the oil supplying device oil sucting valve open mode of the embodiment of the present invention;
Fig. 5 is the vertical section figure under the oil supplying device draining valve open mode of the embodiment of the present invention;
Fig. 6 is the plan view of dunnage in the present invention.
Fig. 7 is the side sectional view of dunnage of the present invention.
Wherein, 1, frame; 110, oil cylinder; 120, piston; 131, the first spring; 132, the second spring; 140, oil inlet pipe; 151, baffle plate; 152, the first connecting plate; 153, the second connecting plate; 161, oil sucting valve; 162, draining valve; 171, the first boss; 172, the second boss; 180, cover plate; 2, cylinder; 3, piston; 4, outlet valve; 5, exhaust cap; 7, magnet; 8, supporting element; 9, piston spring; 21, oil cylinder; 22, piston; 23A, the first spring; 23B, the first spring; 24, oil suction lid; 25, oil extraction lid; 26, oil sucting valve; 27, draining valve; 1a, oil drain passage; 1-a, oil inlet hole; 2a, the first oil groove; 1c, oily passage; 1b, oil inlet passage; 10a, second channel; 10b, first passage; 1d, oil circulation passage; 1e, oil drainage hole; 4a, through hole; 3a, the second oil groove; V, seal container; C, compression set; O, oil supplying device.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
As Fig. 3, a kind of oil supplying device of Linearkompressor, is arranged on the bottom of the frame 1 of the Linearkompressor in seal container, and oil supplying device comprises oil cylinder 110, piston 120, oil sucting valve 161, draining valve 162 and baffle plate 151; Oil drain passage 1a is provided with in frame 1, one end of oil drain passage 1a is connected with the oil groove 2a of frame 1, the other end is the oil inlet hole 1-a being arranged on frame 1 side, oil inlet hole 1-a place is horizontally installed with baffle plate 151, oil cylinder 110 successively, and baffle plate 151 has the oily passage 1c be connected with oil inlet hole 1-a and oil cylinder 110; Piston 120 is arranged in oil cylinder 110, its two ends are respectively equipped with the first spring 131 and the second spring 132 of prepressing deformation, the two ends of bottom and piston 120, second spring 132 that the two ends of the first spring 131 prop up oil cylinder 110 respectively prop up piston 120 and baffle plate 151 respectively; The bottom of baffle plate 151 is provided with the oil inlet passage 1b be connected with oil cylinder 110, and oil inlet passage 1b is connected with oil inlet pipe 140; Oil sucting valve 161 is arranged on the joint of oil inlet passage 1b and oil cylinder 110, and draining valve 162 is arranged on the oily passage 1c of baffle plate 151 and the joint of oil drain passage 1a.The upper and lower surface of piston 120 and the inwall of oil cylinder 110 adopt Spielpassung, to guarantee that piston 120 can slide in oil cylinder 110.The oil cylinder 110 of the present embodiment is arranged in frame 1 by baffle plate 151 level, oil sucting valve 161 is arranged on oil inlet passage 1b and the wider joint of oil cylinder 110, draining valve 162 is arranged on the joint that the oily passage 1c of baffle plate 151 and oil drain passage 1a is wider, the oil sucting valve 161 of this mounting type and draining valve 162 structure are simply easy to manufacture and assembling, enormously simplify the processing technology of oil sucting valve 161 and draining valve 162.
The present embodiment is in order to the difficulty of the manufacture and assembling of lowering oil sucting valve 161 and draining valve 162 further, the first connecting plate 152 is provided with at baffle plate 151 and the joint of oil cylinder 110, first connecting plate 152 has the first passage 10b of height higher than oil inlet passage 1b, wherein, first passage 10b is connected with oil inlet passage 1b, oil sucting valve 161 is arranged on the joint of first passage 10b and oil inlet passage 1b, oil cylinder 110 props up the first connecting plate 152, first connecting plate 152 has the oily passage be connected with baffle plate 151 with oil cylinder 110, and the second spring 132 props up the first connecting plate 152; Baffle plate 151 is provided with the second connecting plate 153 with the joint of frame 1, second connecting plate 153 has the second channel 10a of height higher than oil drain passage 1a, wherein, second channel 10a is connected with oil drain passage 1a, and draining valve 162 is arranged on the joint of second channel 10a and oil drain passage 1a.Between frame 1 with the second connecting plate 153, the second connecting plate 153 with between baffle plate 151, the first connecting plate 152 adopts fastening piece to be connected with between baffle plate 151, between oil cylinder 110 with the first connecting plate 152 respectively, as the Placement such as screw, nut can be adopted, this assembling mode is easy to installation and removal, and the prepressing deformation amount of the first spring 131 in oil cylinder 110 and the second spring 132 can be regulated on a large scale with the elastic force scope of regulating piston 120.The joint of frame 1 and the second connecting plate 153 is a cover plate 180, and the below of cover plate 180 is the oil inlet hole 1-a of oil drain passage 1a.
The bottom of oil cylinder 110 has first boss 171 to piston 120 direction projection, first spring 131 is closely enclosed within the outer rim of the first boss 171, the center of the first boss 171 has oilhole, makes oil cylinder 110 inner air flow to reduce the resistance be subject to when piston 120 does back and forth movement in oil cylinder 110.
As shown in Figure 6 and Figure 7, the joint of the first connecting plate 152 and the second spring 132 has second boss 172 to piston 120 direction projection, second spring 132 is closely enclosed within the outer rim at the second boss 172, and the second boss 172 has the oily passage be connected with the oily passage 1c of baffle plate 151 with oil cylinder 110.
The bottom of compression set C in FIG installed by the oil supplying device of the Linearkompressor in the present embodiment, the oil supplying device O in alternate figures 1.
The working procedure of the oil supplying device of the Linearkompressor in the present embodiment is as follows:
When magnet component 7, when the mover of linear motor does linear round vibration, compression set C vibrates together with magnet, this vibration passing gives fixing oil supplying device oil cylinder 110 on the compressor, make oil cylinder 110 also do level to vibrate toward ground return, 120 vibrations along with oil cylinder 110 of piston in oil cylinder 110 produce inertial force and lubricant oil are sucked and discharges, and the lubricant oil of discharging flows through oil drain passage 1a, flow into the friction portion between cylinder 2 and piston 3, and then get back in seal container V and circulate, the object of this oil supplying device is that overall formation guides the oily oil flow path flowing to friction portion between cylinder 2 and piston 3, composition graphs 1 and Fig. 3.
Fig. 4 and Fig. 5 illustrates the vertical section figure of the working state of the oil supplying device of the present embodiment, and first, when oil cylinder 110 remains static, oil sucting valve 161 and draining valve 162 are all in closed state.When oil cylinder 110 vibrates to the A direction in Fig. 4, piston 120 is to a lateral movement of the first spring 131, as the B direction in Fig. 4, lubricant oil enters oil inlet passage 1b from oil inlet pipe 140 from seal container V, promote oil sucting valve 161 makes lubricant oil enter oil cylinder 110 simultaneously, now, draining valve 162 is in closed state.When oil cylinder 110 moves to the B direction in Fig. 5, piston 120 is to a lateral movement of the second spring 132, as A direction in Fig. 5, draining valve 162 is opened, lubricant oil enters the friction portion between cylinder 2 and piston 3 through oil drain passage 1a from oil cylinder 110, now, oil sucting valve 161 swings, and gets back to original closed state.
The oil supplying device of the Linearkompressor of the present embodiment, in its working procedure oil sucting valve and draining valve not with spring contact, improve the reliability of compressor.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and replacement, these improve and replace and also should be considered as protection scope of the present invention.
Claims (7)
1. an oil supplying device for Linearkompressor, described oil supplying device is arranged on the bottom of the frame of the Linearkompressor in seal container, it is characterized in that, described oil supplying device comprises oil cylinder, piston, oil sucting valve, draining valve and baffle plate; Oil drain passage is provided with in described frame, one end of described oil drain passage is connected with the oil groove of frame, the other end is the oil inlet hole being arranged on frame side, and described oil inlet hole place is horizontally installed with baffle plate, oil cylinder successively, and described baffle plate has the oily passage be connected with oil inlet hole and oil cylinder; Described piston is arranged in oil cylinder, and its two ends are respectively equipped with the first spring and second spring of prepressing deformation, and the two ends of described first spring prop up bottom and the piston of oil cylinder respectively, and the two ends of described second spring prop up piston and baffle plate respectively; The bottom of described baffle plate is provided with the oil inlet passage be connected with oil cylinder, and described oil inlet passage is connected with oil inlet pipe; Described oil sucting valve is arranged on the joint of oil inlet passage and oil cylinder, and described draining valve is arranged on the oily passage of baffle plate and the joint of oil drain passage.
2. the oil supplying device of Linearkompressor as claimed in claim 1, it is characterized in that, the joint of described baffle plate and oil cylinder is provided with the first connecting plate, described first connecting plate has the first passage of height higher than oil inlet passage, described oil sucting valve is arranged on the joint of described first passage and oil inlet passage, described oil cylinder props up described first connecting plate, and described first connecting plate has the oily passage be connected with baffle plate with oil cylinder, and the second spring props up described first connecting plate; The joint of described baffle plate and frame is provided with the second connecting plate, and described second connecting plate has the second channel of height higher than oil drain passage, and described draining valve is arranged on the joint of described second channel and oil drain passage.
3. the oil supplying device of Linearkompressor as claimed in claim 2, it is characterized in that, between described frame with the second connecting plate, the second connecting plate with between baffle plate, the first connecting plate adopts fastening piece to be connected with between baffle plate, between oil cylinder with the first connecting plate respectively.
4. the oil supplying device of Linearkompressor as claimed in claim 2, it is characterized in that, the joint of described frame and the second connecting plate is a cover plate, and the below of described cover plate is the oil inlet hole of oil drain passage.
5. the oil supplying device of Linearkompressor as claimed in claim 2, it is characterized in that, the joint of described first connecting plate and the second spring has second boss to piston direction projection, described second spring is closely enclosed within the outer rim of described second boss, and described second boss has the oily passage be connected with the oily passage of baffle plate with oil cylinder.
6. the oil supplying device of Linearkompressor as claimed in claim 1, it is characterized in that, the bottom of described oil cylinder has first boss to piston direction projection, and described first spring is closely enclosed within the outer rim of described first boss, and described first boss has oilhole.
7. the oil supplying device of Linearkompressor as claimed in claim 1, it is characterized in that, the upper and lower surface of described piston and the inwall of oil cylinder adopt Spielpassung, guarantee that piston can slide in oil cylinder.
Priority Applications (1)
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CN201110404612.3A CN103147959B (en) | 2011-12-07 | 2011-12-07 | The oil supplying device of Linearkompressor |
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CN201110404612.3A CN103147959B (en) | 2011-12-07 | 2011-12-07 | The oil supplying device of Linearkompressor |
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CN103147959A CN103147959A (en) | 2013-06-12 |
CN103147959B true CN103147959B (en) | 2015-09-16 |
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CN201110404612.3A Active CN103147959B (en) | 2011-12-07 | 2011-12-07 | The oil supplying device of Linearkompressor |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103867875A (en) * | 2014-03-28 | 2014-06-18 | 毅联实业(上海)有限公司 | Self-suction piston type atomized lubricator |
CN105443354B (en) * | 2014-09-05 | 2019-07-30 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
CN110529364A (en) * | 2019-09-30 | 2019-12-03 | 中国科学院理化技术研究所 | A kind of Linearkompressor and its fueller |
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US6299421B1 (en) * | 1999-09-08 | 2001-10-09 | Lg Electronics, Inc. | Oil supply apparatus of linear compressor |
CN1580557A (en) * | 2003-08-11 | 2005-02-16 | Lg电子株式会社 | Lubricant supplying device of reciprocating compressor |
KR20070075909A (en) * | 2006-01-16 | 2007-07-24 | 엘지전자 주식회사 | A oil valve assembly used in a linear compressor |
CN101205890A (en) * | 2006-12-20 | 2008-06-25 | 泰州乐金电子冷机有限公司 | Oil valve assembly of linear compressor |
CN101205891A (en) * | 2006-12-20 | 2008-06-25 | 泰州乐金电子冷机有限公司 | Oil supplying device of linear compressor |
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2011
- 2011-12-07 CN CN201110404612.3A patent/CN103147959B/en active Active
Patent Citations (6)
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US6299421B1 (en) * | 1999-09-08 | 2001-10-09 | Lg Electronics, Inc. | Oil supply apparatus of linear compressor |
CN1580557A (en) * | 2003-08-11 | 2005-02-16 | Lg电子株式会社 | Lubricant supplying device of reciprocating compressor |
CN100335783C (en) * | 2003-08-11 | 2007-09-05 | Lg电子株式会社 | Lubricant supplying device of reciprocating compressor |
KR20070075909A (en) * | 2006-01-16 | 2007-07-24 | 엘지전자 주식회사 | A oil valve assembly used in a linear compressor |
CN101205890A (en) * | 2006-12-20 | 2008-06-25 | 泰州乐金电子冷机有限公司 | Oil valve assembly of linear compressor |
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