CN203770082U - Oiling device for compressor - Google Patents
Oiling device for compressor Download PDFInfo
- Publication number
- CN203770082U CN203770082U CN201420069060.4U CN201420069060U CN203770082U CN 203770082 U CN203770082 U CN 203770082U CN 201420069060 U CN201420069060 U CN 201420069060U CN 203770082 U CN203770082 U CN 203770082U
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- Prior art keywords
- oil
- oil pipe
- wall
- screw rod
- guiding screw
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- Expired - Lifetime
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- 238000002360 preparation method Methods 0.000 claims description 31
- 210000002435 tendon Anatomy 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 9
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 153
- 239000012530 fluid Substances 0.000 description 25
- 238000000034 method Methods 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000000630 rising effect Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 239000010725 compressor oil Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 241001463139 Vitta Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses an oiling device for a compressor and aims to overcome the shortcoming of poor oil absorption effect of the conventional oil absorption device for the compressor. The oiling device comprises a crankshaft which sequentially comprises a crankshaft part, a balancing table part and a main shaft part, wherein an oil groove is formed in the outer wall of the main shaft part; an oil inlet cavity communicated with the oil groove is formed in the lower end of the main shaft part; the interior of the oil inlet cavity is connected with an oiling pipe; the interior of the oiling pipe is connected with an oil pipe inner sleeve; a clearance is kept between the outer wall of the oil pipe inner sleeve and the inner wall of the oiling pipe; the outer wall of the oil pipe inner sleeve is sleeved with a helical guiding spiral rod which is tightly connected to the interior of the clearance between the oil pipe inner sleeve and the oiling pipe to form a spiral oil groove. Oil is conveyed in the spiral direction of the guiding spiral rod when lifted, so that the conveying path is prolonged, oil can be lifted more easily, oiling is smoother and the oil absorption effect is good.
Description
Technical field
The utility model relates to a kind of compressor, and more particularly, it relates to a kind of compressor preparation device that oils effective.
Background technique
In compressor operation, because relative movement between kinematic pair produces friction, must have good lubrication system to guarantee the normal operation of compressor, lubricant oil is sucked in compressor compressor is lubricated by preparation device.Common compressor oil absorption system is in bent axle, to fix a cylindrical steel tube at present, has a plastic screwed pipe in pipe, between the outside thread of plastic screwed pipe and round tube inner wall, leaves gap, is used for rising to threaded pipe oily.During compressor operating, crankshaft rotating drives together with the pipe solid with its connection and rotates, and oil is attracted upwards the gap between plastic screwed pipe and pipe, completes oil absorptive function.Along with the long-time running of compressor, plastic screwed pipe is rubbed for a long time and is worn and torn, and outside thread polishes gradually, and oil suction weak effect affects the reliability of compressor operating.
Chinese patent notification number CN201096072Y, a kind of cold compressor oil suction device is disclosed, comprise rotatable bent axle, support, in bent axle, be provided with a band inner thread steel pipe, in steel pipe screw, be provided with a plastic round tube, between steel pipe screw and plastic round tube, be provided with gap, the other end of plastic round tube is connected with the support of compressor.Steel pipe internal thread wear-resisting property is good.In steel pipe screw, be provided with fixed plastic round tube, reduced the wearing and tearing of plastic round tube.But the compressor Oil sucking device of this structure, oil suction weak effect.
Model utility content
The utility model has overcome the deficiency of existing compressor Oil sucking device oil suction weak effect, and a kind of compressor preparation device is provided, and its oil suction is effective.
In order to solve the problems of the technologies described above, the utility model is by the following technical solutions: a kind of compressor preparation device, comprise bent axle, bent axle comprises crank portion successively, balancing stand portion, main shaft part, main shaft part outer wall is provided with oil groove, the lower end of main shaft part is provided with the oil suction chamber being communicated with oil groove, in oil suction chamber, be connected with oil pipe, connected pipes inner sleeve in upper oil pipe, between oil pipe outer wall of inside race and upper tube inner wall, be provided with gap, on oil pipe outer wall of inside race, be socketed with spiral helicine guiding screw rod, guiding screw rod is closely connected to formation helical oil groove in the gap between oil pipe inner sleeve and upper oil pipe.
Compressor preparation device is arranged on compressor cylinder base, and rotor is connected with the transmission of crankshaft of preparation device, and rotor rotates band dynamic crankshaft and rotates, and the rotation of bent axle promotes piston and moves in cylinder.Upper oil pipe lower ending opening, the lower end of upper oil pipe and oil pipe inner sleeve is immersed in fluid, when bent axle rotates, fluid is upwards carried from upper oil pipe lower ending opening position along the helical oil groove between oil pipe inner sleeve and upper oil pipe, and the oil groove on oil suction chamber and main shaft part outer wall is upwards carried the parts in compressor is lubricated.Guiding screw rod is arranged on formation helical oil groove in the gap between oil pipe inner sleeve and upper oil pipe, the helical oil groove convenient processing and manufacture of this structure, cost is low, fluid is carried along the Hand of spiral of guiding screw rod in the process rising, extended transport path, fluid is more prone to rise, and oils more smooth and easy, and oil suction is effective.
As preferably, upper oil pipe is connected with the oil suction chamber interference fit of main shaft part.The Placement of interference fit connects reliable, does not need extra link in the process of connection, easy accessibility, good seal performance after connecting.
As preferably, upper oil pipe is the tubular structure that two ends are communicated with, and oil pipe inner sleeve is the tubular structure of upper end open lower end closed, between oil pipe inner sleeve underpart outer wall and upper tube inner wall, by some connecting tendons, connects.Oil pipe inner sleeve and upper vitta structure are simple, and processing cost is low.
As preferably, the helix structure that guiding screw rod is hollow, the cross section of guiding screw rod is cirque structure.Guiding screw rod is hollow screw tubulose structure, and the two ends up and down of guiding screw rod are communicated with, and fluid enters by the opening of guiding screw rod lower end, from guiding screw rod inside, along Hand of spiral, rises.The guiding screw rod of hollow screw tubulose structure has increased the path that oils, make lubricant oil in the gap between oil pipe inner sleeve and upper oil pipe, along helical oil groove, increase, can also in the guiding screw rod of hollow, along Hand of spiral, rise, increased upper speed oil, the preparation device of this structure, oil suction is effective.
As preferably, the guiding screw rod of helix along Hand of spiral from the bottom up internal diameter reduce gradually.The guiding screw rod internal diameter of hollow reduces from the bottom up gradually, in the process of oil suction, increases the fluid pressure of the guiding screw rod upper end open position of hollow, makes fluid be more prone to be ejected in bent axle from guiding screw rod upper end open, makes to oil more smooth and easy.
As preferably, oil pipe inner sleeve external diameter reduces from top to bottom gradually, and between upper tube inner wall and oil pipe outer wall of inside race, the width in gap increases from top to bottom gradually, and the diameter of section of guiding screw rod increases from top to bottom gradually along Hand of spiral.This structure setting reduces the radial width of helical groove from the bottom up gradually, and fluid pressure in the spiralling process along helical groove increases gradually, makes fluid be more prone to rise, and increases the oil suction effect of preparation device.Another kind of scheme, guiding screw rod is up-small and down-big cone structure, and upper tube inner wall and oil pipe outer wall of inside race are all up-small and down-big cone structure, and width is consistent from top to bottom for the gap between upper tube inner wall and oil pipe outer wall of inside race.In the process that fluid is carried from the bottom up, screw diameter reduces gradually, and the revolution speed of screw of fluid in helical oil groove increased gradually, is conducive to the rising of fluid, increases the oil suction effect of preparation device.
As preferably, guiding screw rod is helical spring.Adopt helical spring as guiding screw rod low cost of manufacture.
Compared with prior art, the beneficial effects of the utility model are: the oil suction of (1) compressor preparation device is effective; (2) compressor preparation device low cost of manufacture; (3) the fluid pressure in process that oils increases gradually, fluid rise facilitate smooth and easy.
Accompanying drawing explanation
Fig. 1 is the structural representation of use state of the present utility model;
Fig. 2 is embodiment's 1 of the present utility model sectional view;
Fig. 3 is embodiment's 2 of the present utility model sectional view;
Fig. 4 is embodiment's 3 of the present utility model sectional view;
In figure: 1, bent axle, 2, crank portion, 3, balancing stand portion, 4, main shaft part, 5, oil groove, 6, oil suction chamber, 7, upper oil pipe, 8, oil pipe inner sleeve, 9, gap, 10, guiding screw rod, 11, helical oil groove, 12, cylinder block, 13, rotor, 14, connecting rod, 15, piston, 16, blade.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is further described specifically:
Embodiment 1: a kind of compressor preparation device (referring to accompanying drawing 1, accompanying drawing 2), comprise bent axle 1, bent axle comprises crank portion 2, balancing stand portion 3, main shaft part 4 successively, main shaft part outer wall is provided with oil groove 5, and oil groove is structure in the shape of a spiral, and compressor preparation device is arranged on compressor cylinder base 12, rotor 13 is connected with the transmission of crankshaft of preparation device, crank portion connects piston 15 by connecting rod 14, and rotor rotates band dynamic crankshaft and rotates, and the rotation of bent axle promotes piston and moves in cylinder.The lower end of main shaft part is provided with the oil suction chamber 6 being communicated with oil groove, at the bottom of oil suction chamber, arrange intercommunicating pore for main shaft part outer wall on oil groove be communicated with.In oil suction chamber, be connected with oil pipe 7, connected pipes inner sleeve 8 in upper oil pipe, is provided with gap 9 between oil pipe outer wall of inside race and upper tube inner wall, is socketed with spiral helicine guiding screw rod 10 on oil pipe outer wall of inside race, and guiding screw rod is helical spring.Guiding screw rod is closely connected to formation helical oil groove 11 in the gap between oil pipe inner sleeve and upper oil pipe.Upper oil pipe is connected with the oil suction chamber interference fit of main shaft part, upper oil pipe is the tubular structure that two ends are communicated with, oil pipe inner sleeve is the tubular structure of upper end open lower end closed, between oil pipe inner sleeve underpart outer wall and upper tube inner wall, by four connecting tendons, connect, four uniform settings of connecting tendon, are provided with gap between adjacent two connecting tendons.The lower end of oil pipe inner sleeve is provided with blade 16, is provided with through hole in the middle of blade.
Upper oil pipe lower ending opening, the lower end of upper oil pipe and oil pipe inner sleeve is immersed in fluid, when bent axle rotates, fluid is upwards carried from upper oil pipe lower ending opening position along the helical oil groove between oil pipe inner sleeve and upper oil pipe, and the oil groove on oil suction chamber and main shaft part outer wall is upwards carried the parts in compressor is lubricated.Guiding screw rod is arranged on formation helical oil groove in the gap between oil pipe inner sleeve and upper oil pipe, the helical oil groove convenient processing and manufacture of this structure, cost is low, fluid is carried along the Hand of spiral of guiding screw rod in the process rising, extended transport path, fluid is more prone to rise, and oils more smooth and easy, and oil suction is effective.
Embodiment 2: a kind of compressor preparation device (referring to accompanying drawing 3), its structure is similar to embodiment 1, comprise bent axle 1, bent axle comprises crank portion 2, balancing stand portion 3, main shaft part 4 successively, main shaft part outer wall is provided with oil groove 5, oil groove is structure in the shape of a spiral, compressor preparation device is arranged on compressor cylinder base 12, rotor 13 is connected with the transmission of crankshaft of preparation device, crank portion connects piston 15 by connecting rod 14, rotor rotates band dynamic crankshaft and rotates, and the rotation of bent axle promotes piston and moves in cylinder.The lower end of main shaft part is provided with the oil suction chamber 6 being communicated with oil groove, at the bottom of oil suction chamber, arrange intercommunicating pore for main shaft part outer wall on oil groove be communicated with.In oil suction chamber, be connected with oil pipe 7, connected pipes inner sleeve 8 in upper oil pipe, is provided with gap 9 between oil pipe outer wall of inside race and upper tube inner wall, is socketed with spiral helicine guiding screw rod 10 on oil pipe outer wall of inside race, and guiding screw rod is helical spring.Guiding screw rod is closely connected to formation helical oil groove 11 in the gap between oil pipe inner sleeve and upper oil pipe.Upper oil pipe is connected with the oil suction chamber interference fit of main shaft part, upper oil pipe is the tubular structure that two ends are communicated with, oil pipe inner sleeve is the tubular structure of upper end open lower end closed, between oil pipe inner sleeve underpart outer wall and upper tube inner wall, by four connecting tendons, connect, four uniform settings of connecting tendon, are provided with gap between adjacent two connecting tendons.The lower end of oil pipe inner sleeve is provided with blade 16, is provided with through hole in the middle of blade.The helix structure that guiding screw rod is hollow, the cross section of guiding screw rod is cirque structure, the guiding screw rod of helix along Hand of spiral from the bottom up internal diameter reduce gradually, oil pipe inner sleeve external diameter reduces from top to bottom gradually, between upper tube inner wall and oil pipe outer wall of inside race, the width in gap increases from top to bottom gradually, the diameter of section of guiding screw rod increases from top to bottom gradually along Hand of spiral, and guiding screw rod is along Hand of spiral chap gradually from top to bottom.The guiding screw rod of hollow screw tubulose structure has increased the path that oils, make lubricant oil in the gap between oil pipe inner sleeve and upper oil pipe, along helical oil groove, increase, can also in the guiding screw rod of hollow, along Hand of spiral, rise, increase upper speed oil.The guiding screw rod internal diameter of hollow reduces from the bottom up gradually, in the process of oil suction, increases the fluid pressure of the guiding screw rod upper end open position of hollow, makes fluid be more prone to be ejected in bent axle from guiding screw rod upper end open, makes to oil more smooth and easy.This structure setting reduces the radial width of helical groove from the bottom up gradually, and fluid pressure in the spiralling process along helical groove increases gradually, makes fluid be more prone to rise, and increases the oil suction effect of preparation device.Other structure is identical with embodiment 1.
Embodiment 3: a kind of compressor preparation device (referring to accompanying drawing 4), its structure is similar to embodiment 1, comprise bent axle 1, bent axle comprises crank portion 2, balancing stand portion 3, main shaft part 4 successively, main shaft part outer wall is provided with oil groove 5, oil groove is structure in the shape of a spiral, compressor preparation device is arranged on compressor cylinder base 12, rotor 13 is connected with the transmission of crankshaft of preparation device, crank portion connects piston 15 by connecting rod 14, rotor rotates band dynamic crankshaft and rotates, and the rotation of bent axle promotes piston and moves in cylinder.The lower end of main shaft part is provided with the oil suction chamber 6 being communicated with oil groove, at the bottom of oil suction chamber, arrange intercommunicating pore for main shaft part outer wall on oil groove be communicated with.In oil suction chamber, be connected with oil pipe 7, connected pipes inner sleeve 8 in upper oil pipe, is provided with gap 9 between oil pipe outer wall of inside race and upper tube inner wall, is socketed with spiral helicine guiding screw rod 10 on oil pipe outer wall of inside race, and guiding screw rod is helical spring.Guiding screw rod is closely connected to formation helical oil groove 11 in the gap between oil pipe inner sleeve and upper oil pipe.Upper oil pipe is connected with the oil suction chamber interference fit of main shaft part, upper oil pipe is the tubular structure that two ends are communicated with, oil pipe inner sleeve is the tubular structure of upper end open lower end closed, between oil pipe inner sleeve underpart outer wall and upper tube inner wall, by four connecting tendons, connect, four uniform settings of connecting tendon, are provided with gap between adjacent two connecting tendons.The lower end of oil pipe inner sleeve is provided with blade 16, is provided with through hole in the middle of blade.The helix structure that guiding screw rod is hollow, the cross section of guiding screw rod is cirque structure.The guiding screw rod of helix along Hand of spiral from the bottom up internal diameter reduce gradually.Guiding screw rod is up-small and down-big cone structure, and upper tube inner wall and oil pipe outer wall of inside race are all up-small and down-big cone structure, and radial width is consistent from top to bottom for the gap between upper tube inner wall and oil pipe outer wall of inside race.In the process that fluid is carried from the bottom up, screw diameter reduces gradually, and the revolution speed of screw of fluid in helical oil groove increased gradually, is conducive to the rising of fluid, increases the oil suction effect of preparation device.Other structure is identical with embodiment 1.
Above-described embodiment is three kinds of schemes preferably of the present utility model, not the utility model is done to any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technological scheme that claim records.
Claims (8)
1. a compressor preparation device, comprise bent axle, bent axle comprises crank portion, balancing stand portion, main shaft part successively, main shaft part outer wall is provided with oil groove, it is characterized in that, the lower end of main shaft part is provided with the oil suction chamber being communicated with oil groove, in oil suction chamber, be connected with oil pipe, connected pipes inner sleeve in upper oil pipe, between oil pipe outer wall of inside race and upper tube inner wall, be provided with gap, on oil pipe outer wall of inside race, be socketed with spiral helicine guiding screw rod, guiding screw rod is closely connected to formation helical oil groove in the gap between oil pipe inner sleeve and upper oil pipe.
2. compressor preparation device according to claim 1, is characterized in that, upper oil pipe is connected with the oil suction chamber interference fit of main shaft part.
3. compressor preparation device according to claim 1, it is characterized in that, upper oil pipe is the tubular structure that two ends are communicated with, and oil pipe inner sleeve is the tubular structure of upper end open lower end closed, between oil pipe inner sleeve underpart outer wall and upper tube inner wall, by some connecting tendons, connects.
4. compressor preparation device according to claim 1, is characterized in that, the helix structure that guiding screw rod is hollow, and the cross section of guiding screw rod is cirque structure.
5. compressor preparation device according to claim 4, is characterized in that, the guiding screw rod of helix along Hand of spiral from the bottom up internal diameter reduce gradually.
6. according to the compressor preparation device described in claim 1 or 2 or 3 or 4 or 5, it is characterized in that, oil pipe inner sleeve external diameter reduces from top to bottom gradually, between upper tube inner wall and oil pipe outer wall of inside race, the width in gap increases from top to bottom gradually, and the diameter of section of guiding screw rod increases from top to bottom gradually along Hand of spiral.
7. according to the compressor preparation device described in claim 1 or 2 or 3 or 4 or 5, it is characterized in that, guiding screw rod is up-small and down-big cone structure, upper tube inner wall and oil pipe outer wall of inside race are all up-small and down-big cone structure, and width is consistent from top to bottom for the gap between upper tube inner wall and oil pipe outer wall of inside race.
8. according to the compressor preparation device described in claim 1 or 2 or 3 or 4 or 5, it is characterized in that, guiding screw rod is helical spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420069060.4U CN203770082U (en) | 2014-02-18 | 2014-02-18 | Oiling device for compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420069060.4U CN203770082U (en) | 2014-02-18 | 2014-02-18 | Oiling device for compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203770082U true CN203770082U (en) | 2014-08-13 |
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ID=51287279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420069060.4U Expired - Lifetime CN203770082U (en) | 2014-02-18 | 2014-02-18 | Oiling device for compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203770082U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005936A (en) * | 2014-02-18 | 2014-08-27 | 杭州钱江压缩机有限公司 | Oil feeding device of compressor |
| CN109236608A (en) * | 2018-10-08 | 2019-01-18 | 杭州钱江制冷压缩机集团有限公司 | Crankshaft structure for compressor |
-
2014
- 2014-02-18 CN CN201420069060.4U patent/CN203770082U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005936A (en) * | 2014-02-18 | 2014-08-27 | 杭州钱江压缩机有限公司 | Oil feeding device of compressor |
| CN104005936B (en) * | 2014-02-18 | 2017-01-11 | 杭州钱江压缩机集团有限公司 | Oil feeding device of compressor |
| CN109236608A (en) * | 2018-10-08 | 2019-01-18 | 杭州钱江制冷压缩机集团有限公司 | Crankshaft structure for compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hangzhou City, Zhejiang province 311000 industrial city of Yuhang Xianlin holy Road No. 1 Patentee after: HANGZHOU QIANJIANG COMPRESSOR GROUP Co.,Ltd. Address before: Hangzhou City, Zhejiang province 311000 industrial city of Yuhang Xianlin holy Road No. 1 Patentee before: HANGZHOU QIANJIANG COMPRESSOR Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 1, Yuhang street, Yuhang street, Yuhang District, Hangzhou, Zhejiang Patentee after: HANGZHOU QIANJIANG REFRIGERATION COMPRESSOR GROUP Co.,Ltd. Address before: Hangzhou City, Zhejiang province 311000 industrial city of Yuhang Xianlin holy Road No. 1 Patentee before: HANGZHOU QIANJIANG COMPRESSOR GROUP Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140813 |