CN204371586U - Linear compressor - Google Patents

Linear compressor Download PDF

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Publication number
CN204371586U
CN204371586U CN201420847764.XU CN201420847764U CN204371586U CN 204371586 U CN204371586 U CN 204371586U CN 201420847764 U CN201420847764 U CN 201420847764U CN 204371586 U CN204371586 U CN 204371586U
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CN
China
Prior art keywords
annular gap
oil
cylinder
circular groove
oil circuit
Prior art date
Application number
CN201420847764.XU
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Chinese (zh)
Inventor
黄建平
陈柱锦
梁苡铭
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珠海格力节能环保制冷技术研究中心有限公司
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Priority to CN201420847764.XU priority Critical patent/CN204371586U/en
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Publication of CN204371586U publication Critical patent/CN204371586U/en

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Abstract

The utility model provides a kind of linear compressor, comprising: cylinder, has intermediate cavity; Piston, is arranged in intermediate cavity movably, has the state forming multiple annular gap between piston outer periphery face and the perisporium of intermediate cavity, and multiple annular gap is arranged along the axially spaced-apart of intermediate cavity; Oil circuit, has oil circuit filler opening, and has the state all communicated with multiple annular gap.Application the technical solution of the utility model, significantly reduces the temperature of cylinder, increases the air-breathing density of cylinder, add refrigerating capacity.

Description

Linear compressor
Technical field
The utility model relates to compressor field, in particular to a kind of linear compressor.
Background technique
Comprise linear compressor as shown in Figure 1 and comprise motor stator 1 ', electric mover 2 ', piston 3 ', cylinder 4 ', housing 5 ', intakeport 6 ', Aspirating valves 7 ', outlet valve 8 ', exhaust valve spring 9 ', outlet valve supporting member 10 ', exhaust valve cap 11 ', Aspirating valves fixed block 12 ', resonant springs fixed plate 13 ', resonant springs 14 ', spring support 15 ', spring cup 16 ', relief opening 17 ', after linear compressor energising, closed alternation magnetic circuit is formed at motor stator 1 ', drive motor mover 2 ' moves, thus drive piston 3 ' reciprocating relative to cylinder 1 '.Realize the suction of gas, compression and the process of discharging.Gas is through being formed in the intakeport intakeport 6 ' on housing 5 ', be inhaled in housing 5 ', in housing 5 ', low-pressure gas is inhaled into compressor chamber through Aspirating valves 7 ', after gas in compressor chamber is compressed, when pressure reaches a timing, outlet valve 8 ' is opened, and pressurized gas, through inside exhaust pipe 18 ', are discharged to compression case by relief opening 17 ' external.
As shown in Figure 2, by outlet valve 8 ', the exhaust valve component 20 ' of the part compositions such as exhaust valve spring 9 ', outlet valve supporting member 10 ' and exhaust valve cap 11 ', is fixed on cylinder 4 ' by screw 30 '.Screw 30 ' pretightening force can cause cylinder inner round wall to be out of shape, thus a grade requirement is joined in the gap that there is brokenization cylinder 4 ' and piston.Gas is by compression heat generation, and motor runs heating, and heat passes to cylinder, and next circulation air-breathing is heated, thus air-breathing density diminishes, and reduces, cause refrigerating capacity to decline with the quality under air-breathing volume.
Piston coordinates with cylinder gap, and gap magnitude is micron order.Its gap needs lubrication.Piston and cylinder gap also need to seal on the other hand, thus reduce gap leakage.
Model utility content
Main purpose of the present utility model is to provide a kind of linear compressor, there is cylinder heating and problem that the refrigerating capacity that causes declines to solve in prior art.
To achieve these goals, according to an aspect of the present utility model, provide a kind of linear compressor, comprising: cylinder, there is intermediate cavity; Piston, is arranged in intermediate cavity movably, has the state forming multiple annular gap between piston outer periphery face and the perisporium of intermediate cavity, and multiple annular gap is arranged along the axially spaced-apart of intermediate cavity; Oil circuit, has oil circuit filler opening, and has the state all communicated with multiple annular gap.
Further, annular gap is formed by the groove on the outer circumferential face be arranged on piston.
Further, multiple annular gap comprises the first annular gap and the second annular gap, oil circuit filler opening is formed in the first end of cylinder, second annular gap is compared with the first end of the first annular gap away from cylinder, first annular gap communicates with oil circuit filler opening, and the first annular gap and the second annular gap are all crossed the first oil circuit section be formed on cylinder and communicated.
Further, first annular gap is formed with the first annular gap filler opening for connecting oil circuit filler opening and the first annular gap oil outlet for being connected the first oil circuit section, the first annular gap filler opening and the first annular gap oil outlet interval in the circumference of cylinder is arranged.
Further, the first oil circuit section comprises the spiral chute be formed on the perisporium of intermediate cavity.
Further, the first oil circuit section comprises the oil transportation hole be formed on the cylinder wall of cylinder, and the bearing of trend in oil transportation hole is consistent with the axial direction of intermediate cavity.
Further, first oil circuit section comprises the oil outlet of the oil in the oil inlet hole and derivation oil transportation hole of the oil transportation of oil transportation hole, oil inlet hole and oil outlet are all opened on the inwall of intermediate cavity, and oil inlet hole is for being communicated with the first annular gap, and oil outlet is for being communicated with the second annular gap.
Further, oil transportation hole is formed with opening on the end face of the second end of cylinder.
Further, the end face of cylinder first end forms circular groove, circular groove is arranged on the periphery of intermediate cavity, and oil circuit filler opening and circular groove are communicated by the second oil circuit section, and circular groove is communicated by the 3rd oil circuit section with the first annular gap.
Further, circular groove is formed with the circular groove filler opening for connecting the second oil circuit section and the circular groove oil outlet for being connected the 3rd oil circuit section, circular groove filler opening and circular groove oil outlet interval in the circumference of circular groove is arranged.
Further, circular groove is formed with the circular groove filler opening for connecting the second oil circuit section, circular groove is also formed with oil drain out, oil drain out and circular groove filler opening interval in the circumference of circular groove is arranged.
Further, the end of cylinder arranges circular groove, the periphery of circular groove is provided with multiple tapped hole for connecting exhaust valve component.
Application the technical solution of the utility model, linear compressor, comprising: cylinder, has intermediate cavity; Piston, is arranged in intermediate cavity movably, has the state forming multiple annular gap between piston outer periphery face and the perisporium of intermediate cavity, and multiple annular gap is arranged along the axially spaced-apart of intermediate cavity; Oil circuit, has oil circuit filler opening, and has the state all communicated with multiple annular gap.Application the technical solution of the utility model, significantly reduces the temperature of cylinder, increases the air-breathing density of cylinder, add refrigerating capacity.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the structural representation of the linear compressor of prior art;
Fig. 2 shows the cylinder of the linear compressor of prior art and the structural representation of exhaust valve component;
Fig. 3 shows the structural representation of the linear compressor of the first embodiment of the present utility model;
Fig. 4 shows the structural representation of the linear compressor of the second embodiment of the present utility model;
Fig. 5 shows the structural representation of the cylinder of the linear compressor of the 3rd embodiment of the present utility model;
What Fig. 6 showed the cylinder of the linear compressor of the 3rd embodiment of the present utility model looks up structural representation;
Fig. 7 shows the cylinder of the linear compressor of the 3rd embodiment of the present utility model and the structural representation of piston cooperation;
Fig. 8 shows the structural representation of the cylinder of the linear compressor of the 4th embodiment of the present utility model;
What Fig. 9 showed the cylinder of the linear compressor of the 4th embodiment of the present utility model looks up structural representation;
Figure 10 shows the cylinder of the linear compressor of the 4th embodiment of the present utility model and the structural representation of piston cooperation;
Figure 11 shows the cylinder of linear compressor of the present utility model and the structural representation of exhaust valve component.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
1, cylinder; 2, piston; 3, the first oil circuit section; 4, oil inlet hole; 5, oil outlet; 6, circular groove; 7, oil circuit filler opening; 8, the second oil circuit section; 9, the 3rd oil circuit section; 11, cylinder body; 12, pedestal; 13, the first annular gap; 14, the second annular gap; 15, the first annular gap filler opening; 16, the first annular gap oil outlet; 18, opening; 19, oil supplying device; 20, exhaust valve component; 21, screw; 22, tapped hole; 23, oil drain out.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
Embodiment one
As shown in Figure 3, the linear compressor of the present embodiment comprises: cylinder 1, has intermediate cavity; Piston 2, is arranged in intermediate cavity movably, has the state forming multiple annular gap between piston 2 outer circumferential face and the perisporium of intermediate cavity, and multiple annular gap is arranged along the axially spaced-apart of intermediate cavity; Oil circuit, has oil circuit filler opening 7, and has the state all communicated with multiple annular gap.
In the present embodiment, multiple annular gap is arranged along the axially spaced-apart of piston 2, the bump at annular gap two ends and the perisporium of intermediate cavity are slidably matched, oil circuit is to each annular gap transferring oil, be conducive to the friction of the perisporium reducing bump and intermediate cavity, reduce the frictional heat produced in the process of piston 2 relative to cylinder 1 movement; In the process of piston 2 movement simultaneously, oil is taken out of intermediate cavity by piston 2, thus forms circulation to cool cylinder 1, create a further reduction the temperature of cylinder, is conducive to the air-breathing density increasing cylinder 1, adds refrigerating capacity.
Further, multiple annular gap is arranged along the axis of intermediate cavity, is conducive to each position of the axis of lubricating cylinder 1, improves the cooling-down effect of cylinder 1.
Preferably, annular gap is formed by the groove on the outer circumferential face arranged on the piston 2.The oil dispersion that oil circuit provides by annular gap is to each position of the circumference of piston 2.
Can also preferably, annular gap is formed by the groove be formed on the perisporium of intermediate cavity.
Preferably, multiple annular gap comprises the first annular gap 13 and the second annular gap 14, oil circuit filler opening 7 is formed in the first end of cylinder 1, second annular gap 14 is compared with the first end of the first annular gap 13 away from cylinder 1, first annular gap 13 communicates with oil circuit filler opening 7, and the first annular gap 13 is communicated by the first oil circuit section 3 be formed on cylinder 1 with the second annular gap 14.
Cylinder 1 comprises cylinder body 11 and is arranged on the pedestal 12 of first end of cylinder 1.Pedestal 12 extends along the radial direction of cylinder body 11 away from cylinder body 11.Oil circuit filler opening 7 is formed on the outer circumferential face of pedestal 12, and oil supplying device 19 is arranged on pedestal 12, and the oil outlet of oil supplying device 19 passes to oil circuit fuel feeding mutually with oil circuit filler opening 7.
Preferably, first annular gap 13 is formed with the first annular gap filler opening 15 interval setting in the circumference of cylinder 1 with the first annular gap oil outlet 16, first annular gap filler opening 15 for being connected the first oil circuit section 3 and the first annular gap oil outlet 16 for connecting oil circuit filler opening 7.
First annular gap filler opening 15 and the first annular gap oil outlet 16 interval in the circumference of cylinder 1 is arranged, and improves the flow path of oil in the circumference of cylinder 1, is conducive to the lubrication effect improving cylinder 1; Further, be also conducive to improving the cooling effect of oil to cylinder 1.
Preferably, the first oil circuit section 3 comprises the oil transportation hole on the cylinder wall being formed in cylinder 1, and the bearing of trend in oil transportation hole is consistent with the axial direction of intermediate cavity.
Preferably, oil transportation hole is formed with opening 18 on the end face of the second end of cylinder 1.Oil transportation hole can be processed by punch device from the end face of the second end of cylinder 1.Further, opening is set at the second segment of cylinder 1, is conducive to the circulation realizing oil, improve the cooling effect of oil to cylinder 1.
Preferably, first oil circuit section 3 comprises the oil outlet 5 of the oil in the oil inlet hole 4 and derivation oil transportation hole of the oil transportation of oil transportation hole, oil inlet hole 4 and oil outlet 5 are all opened on the inwall of intermediate cavity, and oil inlet hole 4 is for being communicated with the first annular gap 13, and oil outlet 5 is for being communicated with the second annular gap 14.
The width direction of the first annular gap 13 and the axial consistent of cylinder 1, the width of the first annular gap 13 ensures to communicate with oil inlet hole 4 all the time in the process of piston 2 movement in the intermediate cavity of cylinder 1.
Preferably, the end face of cylinder 1 first end forms circular groove 6, and circular groove 6 is arranged on the periphery of intermediate cavity, and oil circuit filler opening 7 and circular groove 6 are communicated by the second oil circuit section 8, and circular groove 6 is communicated by the 3rd oil circuit section 9 with the first annular gap 13.
Oil supplying device 19 flows through circular groove 6 to the oil of oil circuit confession, thinks the first end cooling of cylinder 1, further increasing the cooling-down effect of cylinder 1.
Preferably, circular groove 6 is formed with the circular groove filler opening for connecting the second oil circuit section 8 and the circular groove oil outlet for being connected the 3rd oil circuit section 9, circular groove filler opening and circular groove oil outlet interval in the circumference of circular groove 6 is arranged.
By circular groove filler opening and circular groove oil outlet, interval in the circumference of circular groove 6 is arranged, and improves the circulation path of oil in circular groove 6, improves the cooling-down effect of the first end to cylinder 1.
Preferably, the second oil circuit section 8 and the 3rd oil circuit section 9 be the setting of 180 degree, interval in the circumference of circular groove 6, and 180 degree, the interval setting in the circumference of circular groove 6 of circular groove filler opening and circular groove oil outlet.
As shown in figure 11, preferably, the end of cylinder 1 is arranged circular groove 6, the periphery of circular groove 6 is provided with multiple tapped hole 22 for connecting exhaust valve component 20.The first end of cylinder 1 connects exhaust valve component 20 by screw 21.Solving screw 21 pretightening force existed in prior art can cause cylinder 1 inner round wall to be out of shape, thus the problem that shelves require is joined in the gap that there is brokenization cylinder 1 and piston 2.
Embodiment two
As shown in Figure 3, in the present embodiment, the linear compressor of the present embodiment comprises: cylinder 1, has intermediate cavity; Piston 2, is arranged in intermediate cavity movably, has the state forming multiple annular gap between piston 2 outer circumferential face and the perisporium of intermediate cavity, and multiple annular gap is arranged along the axially spaced-apart of intermediate cavity; Oil circuit, has oil circuit filler opening 7, and has the state all communicated with multiple annular gap.
In the present embodiment, multiple annular gap is arranged along the axially spaced-apart of piston 2, the bump at annular gap two ends and the perisporium of intermediate cavity are slidably matched, oil circuit is to each annular gap transferring oil, be conducive to the friction reducing the perisporium reducing bump and intermediate cavity, reduce the frictional heat produced in the process of piston relative to cylinder 1 movement; In the process of piston 2 movement simultaneously, oil is taken out of intermediate cavity by piston, thus forms circulation to cool cylinder 1, create a further reduction the temperature of cylinder, is conducive to the air-breathing density increasing cylinder 1, adds refrigerating capacity.
Further, multiple annular gap is arranged along the axis of intermediate cavity, is conducive to each position of the axis of lubricating cylinder 1, improves the cooling-down effect of cylinder 1.
Preferably, annular gap is formed by the groove on the outer circumferential face arranged on the piston 2.The oil dispersion that oil circuit provides by annular gap is to each position of the circumference of piston 2.
Can also preferably, annular gap is formed by the groove be formed on the perisporium of intermediate cavity.
Preferably, multiple annular gap comprises the first annular gap 13 and the second annular gap 14, oil circuit filler opening 7 is formed in the first end of cylinder 1, second annular gap 14 is compared with the first end of the first annular gap 13 away from cylinder 1, first annular gap 13 communicates with oil circuit filler opening 7, and the first annular gap 13 is communicated by the first oil circuit section 3 be formed on cylinder 1 with the second annular gap 14.
Preferably, first annular gap 13 is formed with the first annular gap filler opening 15 interval setting in the circumference of cylinder 1 with the first annular gap oil outlet 16, first annular gap filler opening 15 for being connected the first oil circuit section 3 and the first annular gap oil outlet 16 for connecting oil circuit filler opening 7.
First annular gap filler opening 15 and the first annular gap oil outlet 16 interval in the circumference of cylinder 1 is arranged, and improves the flow path of oil in the circumference of cylinder 1, is conducive to the lubrication effect improving cylinder 1; Further, liquid is conducive to improving the cooling effect of oil to cylinder 1.
Preferably, the first oil circuit section 3 comprises the oil transportation hole on the cylinder wall being formed in cylinder 1, and the bearing of trend in oil transportation hole is consistent with the axial direction of intermediate cavity.
Preferably, oil transportation hole is formed with opening 18 on the end face of the second end of cylinder 1.Oil transportation hole can be processed by punch device from the second end face of cylinder 1.Further, opening is set at the second segment of cylinder 1, is conducive to the circulation realizing oil, improve the cooling effect of oil to cylinder 1.
Preferably, first oil circuit section 3 comprises the oil outlet 5 of the oil in the oil inlet hole 4 and derivation oil transportation hole of the oil transportation of oil transportation hole, oil inlet hole 4 and oil outlet 5 are all opened on the inwall of intermediate cavity, and oil inlet hole 4 is for being communicated with the first annular gap 13, and oil outlet 5 is for being communicated with the second annular gap 14.
The width direction of the first annular gap 13 and the axial consistent of cylinder 1, the width of the first annular gap 13 ensures to communicate with oil inlet hole 4 all the time in the process of piston 2 movement in the intermediate cavity of cylinder 1.
Preferably, the end face of cylinder 1 first end forms circular groove 6, and circular groove 6 is arranged on the periphery of intermediate cavity, and oil circuit filler opening 7 and circular groove 6 are communicated by the second oil circuit section 8, and circular groove 6 is communicated by the 3rd oil circuit section 9 with the first annular gap 13.
Oil supplying device 19 flows through circular groove 6 to the oil of oil circuit confession, thinks the first end cooling of cylinder 1, further increasing the cooling-down effect of cylinder 1.
Circular groove 6 is formed with the circular groove filler opening for connecting the second oil circuit section 8, circular groove 6 is also formed with oil drain out 23, oil drain out 23 and circular groove filler opening interval in the circumference of circular groove 6 is arranged.
In the present embodiment, part oil is discharged from oil drainage hole, and an amount part is transported to the first annular gap 13 and the second annular gap.
Embodiment three
As shown in Figs. 5 to 7, the linear compressor of the present embodiment comprises: cylinder 1, has intermediate cavity; Piston 2, is arranged in intermediate cavity movably, has the state forming multiple annular gap between piston 2 outer circumferential face and the perisporium of intermediate cavity, and multiple annular gap is arranged along the axially spaced-apart of intermediate cavity; Oil circuit, has oil circuit filler opening 7, and has the state all communicated with multiple annular gap.
Preferably, multiple annular gap comprises the first annular gap 13 and the second annular gap 14, oil circuit filler opening 7 is formed in the first end of cylinder 1, second annular gap 14 is compared with the first end of the first annular gap 13 away from cylinder 1, first annular gap 13 communicates with oil circuit filler opening 7, and the first annular gap 13 is communicated by the first oil circuit section 3 be formed on cylinder 1 with the second annular gap 14.
Preferably, the first oil circuit section 3 comprises the spiral chute be formed on the perisporium of intermediate cavity.Spiral fluted first end entrance point is compared with the first end of spiral fluted outlet end away from cylinder, and piston 2 is in the process relative to cylinder 1 movement, and spiral fluted entrance point keeps communicating with the first annular gap 13.
Preferably, the end face of cylinder 1 first end forms circular groove 6, and circular groove 6 is arranged on the periphery of intermediate cavity, and oil circuit filler opening 7 and circular groove 6 are communicated by the second oil circuit section 8, and circular groove 6 is communicated by the 3rd oil circuit section 9 with the first annular gap 13.
Preferably, circular groove 6 is formed with the circular groove filler opening for connecting the second oil circuit section 8 and the circular groove oil outlet for being connected the 3rd oil circuit section 9, circular groove filler opening and circular groove oil outlet interval in the circumference of circular groove 6 is arranged.
By circular groove filler opening and circular groove oil outlet, interval in the circumference of circular groove 6 arranges and improves the circulation path of oil in circular groove 6, improves the cooling-down effect of the first end to cylinder 1.
Preferably, the second oil circuit section 8 and the 3rd oil circuit section 9 be the setting of 180 degree, interval in the circumference of circular groove 6, and 180 degree, the interval setting in the circumference of circular groove 6 of circular groove filler opening and circular groove oil outlet.
Embodiment four
As shown in Figures 8 to 10, as shown in Figs. 5 to 7, the linear compressor of the present embodiment comprises: cylinder 1, has intermediate cavity; Piston 2, is arranged in intermediate cavity movably, has the state forming multiple annular gap between piston 2 outer circumferential face and the perisporium of intermediate cavity, and multiple annular gap is arranged along the axially spaced-apart of intermediate cavity; Oil circuit, has oil circuit filler opening 7, and has the state all communicated with multiple annular gap.
Preferably, multiple annular gap comprises the first annular gap 13 and the second annular gap 14, oil circuit filler opening 7 is formed in the first end of cylinder 1, second annular gap 14 is compared with the first end of the first annular gap 13 away from cylinder 1, first annular gap 13 communicates with oil circuit filler opening 7, and the first annular gap 13 is communicated by the first oil circuit section 3 be formed on cylinder 1 with the second annular gap 14.
Preferably, the first oil circuit section 3 comprises the spiral chute be formed on the perisporium of intermediate cavity.Spiral fluted first end entrance point is compared with the first end of spiral fluted outlet end away from cylinder, and piston 2 is in the process relative to cylinder 1 movement, and spiral fluted entrance point keeps communicating with the first annular gap 13.
Preferably, the end face of cylinder 1 first end forms circular groove 6, and circular groove 6 is arranged on the periphery of intermediate cavity, and oil circuit filler opening 7 and circular groove 6 are communicated by the second oil circuit section 8, and circular groove 6 is communicated by the 3rd oil circuit section 9 with the first annular gap 13.
Circular groove 6 is formed with the circular groove filler opening for connecting the second oil circuit section 8, circular groove 6 is also formed with oil drain out 23, oil drain out 23 and circular groove filler opening interval in the circumference of circular groove 6 is arranged.
In the present embodiment, part oil is discharged from oil drainage hole, and another part is transported to the first annular gap 13 and the second annular gap 14.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (12)

1. a linear compressor, is characterized in that, comprising:
Cylinder (1), has intermediate cavity;
Piston (2), be arranged in described intermediate cavity movably, have the state forming multiple annular gap between described piston (2) outer circumferential face and the perisporium of described intermediate cavity, described multiple annular gap is arranged along the axially spaced-apart of described intermediate cavity;
Oil circuit, has oil circuit filler opening (7), and has the state all communicated with described multiple annular gap.
2. linear compressor according to claim 1, is characterized in that, described annular gap is formed by the groove be arranged on the outer circumferential face of described piston (2).
3. linear compressor according to claim 1, it is characterized in that, described multiple annular gap comprises the first annular gap (13) and the second annular gap (14), described oil circuit filler opening (7) is formed in the first end of described cylinder (1), more described first annular gap (13) of described second annular gap (14) is away from the first end of described cylinder (1), described first annular gap (13) communicates with described oil circuit filler opening (7), described first annular gap (13) is communicated by the first oil circuit section (3) be formed on described cylinder (1) with described second annular gap (14).
4. linear compressor according to claim 3, it is characterized in that, described first annular gap (13) is formed with the first annular gap filler opening (15) for connecting described oil circuit filler opening (7) and the first annular gap oil outlet (16) for being connected described first oil circuit section (3), described first annular gap filler opening (15) and described first annular gap oil outlet (16) interval in the circumference of described cylinder (1) is arranged.
5. linear compressor according to claim 3, is characterized in that, described first oil circuit section (3) comprises the spiral chute on the perisporium being formed in described intermediate cavity.
6. linear compressor according to claim 3, it is characterized in that, described first oil circuit section (3) comprises the oil transportation hole on the cylinder wall being formed in described cylinder (1), and the bearing of trend in described oil transportation hole is consistent with the axial direction of described intermediate cavity.
7. linear compressor according to claim 6, it is characterized in that, described first oil circuit section (3) also comprises the oil outlet (5) of the oil in the oil inlet hole (4) and the described oil transportation hole of derivation of described oil transportation hole oil transportation, described oil inlet hole (4) and described oil outlet (5) are all opened on the inwall of described intermediate cavity, described oil inlet hole (4) is for being communicated with described first annular gap (13), and described oil outlet (5) is for being communicated with described second annular gap (14).
8. linear compressor according to claim 6, is characterized in that, described oil transportation hole is formed with opening (18) on the end face of the second end of described cylinder (1).
9. linear compressor according to claim 3, it is characterized in that, the end face of described cylinder (1) first end is formed circular groove (6), described circular groove (6) is arranged on the periphery of described intermediate cavity, described oil circuit filler opening (7) and described circular groove (6) are communicated by the second oil circuit section (8), and described circular groove (6) is communicated by the 3rd oil circuit section (9) with described first annular gap (13).
10. linear compressor according to claim 9, it is characterized in that, described circular groove (6) is formed with the circular groove filler opening for connecting described second oil circuit section (8) and the circular groove oil outlet for being connected described 3rd oil circuit section (9), described circular groove filler opening and described circular groove oil outlet interval in the circumference of described circular groove (6) is arranged.
11. linear compressors according to claim 9, it is characterized in that, described circular groove (6) is formed with the circular groove filler opening for connecting described second oil circuit section (8), described circular groove (6) is also formed with oil drain out (23), described oil drain out (23) and described circular groove filler opening interval in the circumference of described circular groove (6) is arranged.
12. linear compressors according to claim 1, it is characterized in that, the end of described cylinder (1) is arranged circular groove (6), the periphery of described circular groove (6) is provided with multiple tapped hole (22) for connecting exhaust valve component (20).
CN201420847764.XU 2014-12-25 2014-12-25 Linear compressor CN204371586U (en)

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Application Number Priority Date Filing Date Title
CN201420847764.XU CN204371586U (en) 2014-12-25 2014-12-25 Linear compressor

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Application Number Priority Date Filing Date Title
CN201420847764.XU CN204371586U (en) 2014-12-25 2014-12-25 Linear compressor

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Publication Number Publication Date
CN204371586U true CN204371586U (en) 2015-06-03

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105221392A (en) * 2015-10-26 2016-01-06 珠海格力节能环保制冷技术研究中心有限公司 Compressor lubricant oil injecting structure and compressor
CN105781941A (en) * 2014-12-25 2016-07-20 珠海格力节能环保制冷技术研究中心有限公司 Linear compressor
CN106321407A (en) * 2015-07-07 2017-01-11 珠海格力节能环保制冷技术研究中心有限公司 Oil pump device and compressor with same
CN106368927A (en) * 2016-11-14 2017-02-01 青岛万宝压缩机有限公司 Lubrication structure for linear compressor and linear compressor

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105781941B (en) * 2014-12-25 2018-12-07 珠海格力电器股份有限公司 Linear compressor
CN105781941A (en) * 2014-12-25 2016-07-20 珠海格力节能环保制冷技术研究中心有限公司 Linear compressor
CN106321407A (en) * 2015-07-07 2017-01-11 珠海格力节能环保制冷技术研究中心有限公司 Oil pump device and compressor with same
CN105221392B (en) * 2015-10-26 2017-09-19 珠海格力节能环保制冷技术研究中心有限公司 Compressor lubricant oil injecting structure and compressor
CN105221392A (en) * 2015-10-26 2016-01-06 珠海格力节能环保制冷技术研究中心有限公司 Compressor lubricant oil injecting structure and compressor
CN106368927A (en) * 2016-11-14 2017-02-01 青岛万宝压缩机有限公司 Lubrication structure for linear compressor and linear compressor
CN106368927B (en) * 2016-11-14 2018-06-12 青岛万宝压缩机有限公司 Linear compressor lubrication system and linear compressor

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