CN203488334U - Novel compressor crankshaft - Google Patents
Novel compressor crankshaft Download PDFInfo
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- CN203488334U CN203488334U CN201320588111.XU CN201320588111U CN203488334U CN 203488334 U CN203488334 U CN 203488334U CN 201320588111 U CN201320588111 U CN 201320588111U CN 203488334 U CN203488334 U CN 203488334U
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- oil
- minor axis
- major axis
- oil groove
- compressor crankshaft
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Abstract
The utility model discloses a novel compressor crankshaft which can not only effectively improve the lubrication effect of the crankshaft in the rotation process, but also effectively improve the lubrication effect of a piston in the movement process. The novel compressor crankshaft comprises a long shaft, a short shaft and a connection piece arranged between the long shaft and the short shaft, wherein the end face of the short shaft is provided with an oil supply hole extending axially, the end face of the long shaft is provided with an oil nozzle connection hole coaxial with the long shaft, an exhaust passage is arranged inside the long shaft and extends in the axial direction of the long shaft, one end of the exhaust passage is communicated with the oil nozzle connection hole, the other end of the exhaust passage is communicated with the connection piece and the outside, an oil passage communicating the oil nozzle connection hole and the oil supply hole is arranged on the long shaft, the short shaft and the connection piece, and the outer side face of the short shaft is also provided with a lubricating oil groove communicated with the oil supply hole.
Description
Technical field
The utility model relates to compressor field, is specifically related to a kind of Novel compressor crankshaft.
Background technique
Compressor is generally comprised of body, motor, cylinder body, piston, control apparatus and cooling system; Wherein, motor is connected by bent axle conventionally with piston.Bent axle comprises minor axis and major axis, and wherein major axis is connected with the rotor of motor, and minor axis is connected with piston by connecting rod.Bent axle, as the vitals that connects motor and piston, rotates by driven by motor bent axle, and then drives piston movement.Bent axle is in rotation process, and major axis will produce phase mutual friction between the bent axle hole wall coordinating with its installation; Minor axis will produce phase mutual friction between the connecting rod being mated; And piston in movement process will with inboard wall of cylinder block between produce phase mutual friction; Therefore how effectively to reduce bent axle suffered frictional force in rotation process, and the suffered frictional force of piston in movement process; With this, reduce compressor power consumption, it is very important improving the compressor life-span.
For example, China Patent Publication No. CN201461326U, in open day on May 12nd, 2010, the name of innovation and creation is called a kind of refrigerator compressor crankshaft, and this application case discloses a kind of refrigerator compressor crankshaft, comprise bent axle body, the upper end of described bent axle body is provided with crankshaft eccentric portion, and described crankshaft eccentric portion is provided with oilhole, in described crankshaft eccentric portion, is also provided with oil groove, described oil groove is communicated with described oilhole, and described oil groove is a skewed slot.Such scheme adopts the oil groove tilting to increase the lubricated length of Vertical direction, and then improves bent axle is connected fitting surface lubricated area with connecting rod; Although improved to a certain extent the lubrication effect between bent axle and connecting rod, it improves poor effect, and this scheme is not considered lubrication effect and piston the lubricating in movement process of bent axle bottom.
Model utility content
The purpose of this utility model is in order to overcome the not good problem of the lubrication effect of compressor crank shaft of the prior art in rotation process, provide a kind of and not only can effectively improve the lubrication effect of bent axle in rotation process, can also effectively improve the Novel compressor crankshaft of the lubrication effect of piston in movement process.
The technical solution of the utility model is:
A kind of Novel compressor crankshaft, comprise major axis, minor axis and be arranged on major axis and minor axis between link, the end face of described minor axis is provided with axially extended oil supply hole, the end face of described major axis is provided with the oil nozzle attachment hole coaxial with major axis, in major axis, be also provided with exhaust passage, this exhaust passage extends axially along major axis, and one end of exhaust passage is communicated with oil nozzle attachment hole, and the other end connects link and communicates with the external world; On described major axis, minor axis and link, be also provided with the asphalt channel that is communicated with oil nozzle attachment hole and oil supply hole, this asphalt channel comprises and being arranged on major axis outer side surface, and the helical oil groove communicating with oil nozzle attachment hole and being arranged in major axis, minor axis and link, and be communicated with the asphalt channel of helical oil groove and oil supply hole; On described minor axis outer side surface, be also provided with the oil groove communicating with oil supply hole.
This programme at bent axle in rotation process, first lubricant oil enter oil nozzle attachment hole, and gas in oil nozzle attachment hole is arranged outward to realize by exhaust passage and oiled; Then lubricant oil enters in oil supply hole through helical oil groove and asphalt channel.At bent axle, in rotation process, the lubricant oil in oil supply hole, by under the effect of centrifugal force, is thrown away by oil supply hole port, and a part of lubricant oil is distributed on the inwall of piston/cylinder, therefore can effectively improve the lubrication effect of piston in movement process.The major axis of bent axle is by forming good lubrication effect between helical oil groove and bent axle hole wall.Minor axis is by forming good lubrication effect between oil groove and connecting rod.
As preferably, oil supply hole and minor axis coaxially arrange, and oil supply hole consists of fuel-displaced portion and the oil-feed portion that is communicated with asphalt channel toward interior successively its port, and the cross-section area of fuel-displaced portion is greater than the cross-section area of oil-feed portion.The axial length of fuel-displaced portion be oil-feed portion axial length 1/7 to 1/4 between.
The cross-section area of the fuel-displaced portion of the oil supply hole of this programme is greater than the cross-section area of oil-feed portion, and it is not only conducive to make lubricating in oil supply hole to be thrown away by oil supply hole port; And increased the wall thickness of the minor axis corresponding with oil-feed portion, and the minor axis corresponding with oil-feed portion part will be connected with connecting rod, can guarantee that like this minor axis has enough intensity and coordinates with connecting rod.
As preferably, oil groove is oblique oil groove, and it is tilted to extend from minor axis root toward end direction.Because oil groove is oblique oil groove, its increased and connecting rod between area of contact, be conducive to form between minor axis and connecting rod good lubrication effect.
As preferably, oil groove is positioned on the minor axis outer side surface corresponding with oil-feed portion, and the groove depth of oil groove be its place minor axis wall thickness 1/6 to 1/4 between.This programme structure, when making to form good lubrication effect between minor axis and connecting rod, has guaranteed that minor axis has enough intensity and connecting rod is connected.
As preferably, oil nozzle attachment hole consists of oil nozzle joint and the portion of oiling toward interior successively its port, and the sectional area of oil nozzle joint is greater than the portion's sectional area that oils; Described helical oil groove is connected with the portion of oiling.
As preferably, exhaust passage by line pore and tiltedly exhaust port form, in line pore is coaxial with oil nozzle attachment hole, and in line pore is connected with the portion of oiling; Tiltedly exhaust port one end is communicated with in line pore, and the other end connects link and communicates with the external world.This programme structure is convenient to actual processing and fabricating, improves work efficiency.
As preferably, the rotation direction of helical oil groove is contrary with the sense of rotation of bent axle.Because the rotation direction of helical oil groove is contrary with the sense of rotation of bent axle, its lubricant oil being conducive in helical oil groove enters on the fitting surface of major axis axle and bent axle hole wall, improves lubrication effect.
As preferably, the cross section of helical oil groove and oil groove is isosceles trapezoid shape.
As preferably, be provided with two locating notches of oil nozzle attachment hole port edge to support.Because oil supply hole port edge is provided with locating notch, when machining crankshafts, can coordinate bent axle is positioned, be conducive to the processing and fabricating of bent axle.
The beneficial effects of the utility model are: not only can effectively improve the lubrication effect of bent axle in rotation process, can also effectively improve the lubrication effect of piston in movement process, and then reduce compressor power consumption, improve compressor working life.
Accompanying drawing explanation
Fig. 1 is a kind of cross-sectional view of a kind of Novel compressor crankshaft of the present utility model.
Fig. 2 is the axonometric drawing of a kind of Novel compressor crankshaft of the present utility model.
In figure: minor axis 1, link 2, major axis 3, oil supply hole 4, fuel-displaced portion 41, oil-feed portion 42, asphalt channel 5, exhaust passage 6, in line pore 62, oblique exhaust port 61, helical oil groove 7, oil nozzle attachment hole 8, oil nozzle joint 81, the portion 82 that oils, oil groove 9, locating notch 10.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail:
As shown in Figure 1 and Figure 2, a kind of Novel compressor crankshaft, comprise major axis 3, minor axis 1 and be arranged on major axis and minor axis between link 2.Link comprises circular connecting plate and is arranged on the fan-shaped balancing weight of circular connecting plate one side.Major axis is arranged on the home position of circular connecting plate, and minor axis and fan-shaped balancing weight are positioned at the relative both sides of circular connecting plate.
The end face of minor axis 1 is provided with axially extended oil supply hole 4.Oil supply hole and minor axis coaxially arrange.Oil supply hole 4 consists of fuel-displaced portion 41 and oil-feed portion 42 toward interior successively its port, and the cross-section area of fuel-displaced portion 41 is greater than the cross-section area of oil-feed portion 42.Fuel-displaced portion) axial length is 1/7 or 1/6 family 1/5 or 1/4 of oil-feed portion axial length.On minor axis 1 outer side surface, be also provided with the oil groove 9 communicating with oil supply hole.Oil groove 9 is oblique oil groove, and it is tilted to extend from minor axis root toward end direction.Oil groove 9 is positioned on the minor axis outer side surface corresponding with oil-feed portion 42, and the groove depth of oil groove 9 be its place minor axis 1 wall thickness 1/6 or 1/5 or 1/4.
The end face of major axis 3 is provided with the oil nozzle attachment hole 8 coaxial with major axis.Oil nozzle attachment hole 8 consists of oil nozzle joint 81 and the portion 82 that oils toward interior successively its port, and the sectional area of oil nozzle joint is greater than the portion's sectional area that oils.Oil nozzle attachment hole 8 port edges are also provided with two locating notches 10 to support.In major axis 3, be also provided with exhaust passage 6.Exhaust passage consists of in line pore 62 and oblique exhaust port 61.Exhaust passage 6 extends axially along major axis 3, and one end of exhaust passage is communicated with oil nozzle attachment hole 8, and the other end connects link 2 and communicates with the external world; Specifically, in line pore 62 is coaxial with oil nozzle attachment hole 8, and in line pore is connected with the portion that oils 82 of oil nozzle attachment hole; Tiltedly exhaust port 61 one end are communicated with in line pore 62, and the other end connects link 2 and communicates with the external world.
On major axis 3, minor axis 1 and link 2, be also provided with the asphalt channel that is communicated with oil nozzle attachment hole 8 and oil supply hole 4.This asphalt channel comprises and being arranged on major axis 3 outer side surfaces, and the helical oil groove 7 communicating with oil nozzle attachment hole and being arranged in major axis, minor axis and link, and is communicated with the asphalt channel 5 of helical oil groove 7 and oil supply hole 4.Asphalt channel is connected with the bottom of the oil-feed portion 42 of oil supply hole.The rotation direction of helical oil groove 7 is contrary with the sense of rotation of bent axle, and helical oil groove is connected with the portion of oiling of oil nozzle attachment hole.The cross section of helical oil groove and oil groove is isosceles trapezoid shape.
Compressor crank shaft of the present utility model is in rotation process, and first lubricant oil enter oil nozzle attachment hole 8, and gas in oil nozzle attachment hole is arranged outward to realize by exhaust passage 6 and oiled; Then lubricant oil enters in oil supply hole 4 through helical oil groove 7 and asphalt channel 8.At bent axle, in rotation process, the lubricant oil in oil supply hole 4, by under the effect of centrifugal force, is thrown away by oil supply hole port, and a part of lubricant oil is distributed on the inwall of piston/cylinder, therefore can effectively improve the lubrication effect of piston in movement process.The major axis 3 of bent axle is by forming good lubrication effect between helical oil groove 7 and bent axle hole wall.Minor axis 1 is by forming good lubrication effect between oil groove 9 and connecting rod.
Claims (10)
1. a Novel compressor crankshaft, it is characterized in that, comprise major axis (3), minor axis (1) and be arranged on major axis and minor axis between link (2), it is characterized in that, the end face of described minor axis is provided with axially extended oil supply hole (4), the end face of described major axis is provided with the oil nozzle attachment hole (8) coaxial with major axis, in major axis, be also provided with exhaust passage (6), this exhaust passage extends axially along major axis, and one end of exhaust passage is communicated with oil nozzle attachment hole, the other end connects link and communicates with the external world; On described major axis, minor axis and link, be also provided with the asphalt channel that is communicated with oil nozzle attachment hole (8) and oil supply hole (4), this asphalt channel comprises and being arranged on major axis (3) outer side surface, and the helical oil groove (7) communicating with oil nozzle attachment hole (8) and being arranged in major axis, minor axis and link, and be communicated with the asphalt channel (5) of helical oil groove (7) and oil supply hole (4); On described minor axis outer side surface, be also provided with the oil groove (9) communicating with oil supply hole.
2. a kind of Novel compressor crankshaft according to claim 1, it is characterized in that, described oil supply hole (4) coaxially arranges with minor axis, oil supply hole consists of fuel-displaced portion (41) and the oil-feed portion (42) that is communicated with asphalt channel toward interior successively its port, and the cross-section area of fuel-displaced portion is greater than the cross-section area of oil-feed portion.
3. a kind of Novel compressor crankshaft according to claim 2, is characterized in that, the axial length of described fuel-displaced portion (41) be oil-feed portion (42) axial length 1/7 to 1/4 between.
4. according to a kind of Novel compressor crankshaft described in claim 1 or 2 or 3, it is characterized in that, described oil groove is oblique oil groove, and it is tilted to extend from minor axis root toward end direction.
5. a kind of Novel compressor crankshaft according to claim 4, it is characterized in that, described oil groove (9) is positioned on minor axis (1) outer side surface corresponding with oil-feed portion (42), and the groove depth of oil groove be its place minor axis wall thickness 1/6 to 1/4 between.
6. a kind of Novel compressor crankshaft according to claim 1, it is characterized in that, described oil nozzle attachment hole (8) consists of oil nozzle joint (82) and the portion that oils (81) toward interior successively its port, and the sectional area of oil nozzle joint is greater than the portion's sectional area that oils; Described helical oil groove is connected with the portion of oiling.
7. a kind of Novel compressor crankshaft according to claim 6, is characterized in that, described exhaust passage consists of in line pore (62) and oblique exhaust port (61), and in line pore is coaxial with oil nozzle attachment hole, and in line pore is connected with the portion of oiling; Tiltedly exhaust port one end is communicated with in line pore, and the other end connects link and communicates with the external world.
8. according to a kind of Novel compressor crankshaft described in claim 1 or 2 or 3 or 6 or 7, it is characterized in that, the rotation direction of described helical oil groove is contrary with the sense of rotation of bent axle.
9. according to a kind of Novel compressor crankshaft described in claim 1 or 2 or 3 or 6 or 7, it is characterized in that, the cross section of described helical oil groove and oil groove is isosceles trapezoid shape.
10. according to a kind of Novel compressor crankshaft described in claim 1 or 2 or 3 or 6 or 7, it is characterized in that, described oil nozzle attachment hole port edge is provided with two locating notches (10) to support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320588111.XU CN203488334U (en) | 2013-09-23 | 2013-09-23 | Novel compressor crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320588111.XU CN203488334U (en) | 2013-09-23 | 2013-09-23 | Novel compressor crankshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203488334U true CN203488334U (en) | 2014-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320588111.XU Expired - Lifetime CN203488334U (en) | 2013-09-23 | 2013-09-23 | Novel compressor crankshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203488334U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819127A (en) * | 2015-05-12 | 2015-08-05 | 安徽美芝制冷设备有限公司 | Crankshaft for piston compressor and piston compressor with the same |
| CN105041618A (en) * | 2015-08-27 | 2015-11-11 | 黄石东贝电器股份有限公司 | Novel crankshaft of refrigeration compressor |
| CN107965442A (en) * | 2017-11-24 | 2018-04-27 | 加西贝拉压缩机有限公司 | A kind of compressor pump oil regulating device |
| 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 |
| CN111946597A (en) * | 2020-09-09 | 2020-11-17 | 浙江麦迪制冷科技股份有限公司 | Crankshaft lubricating structure |
-
2013
- 2013-09-23 CN CN201320588111.XU patent/CN203488334U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819127A (en) * | 2015-05-12 | 2015-08-05 | 安徽美芝制冷设备有限公司 | Crankshaft for piston compressor and piston compressor with the same |
| CN104819127B (en) * | 2015-05-12 | 2017-03-01 | 安徽美芝制冷设备有限公司 | Bent axle for piston compressor and the piston compressor with it |
| CN105041618A (en) * | 2015-08-27 | 2015-11-11 | 黄石东贝电器股份有限公司 | Novel crankshaft of refrigeration compressor |
| CN107965442A (en) * | 2017-11-24 | 2018-04-27 | 加西贝拉压缩机有限公司 | A kind of compressor pump oil regulating device |
| 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 |
| CN111946597A (en) * | 2020-09-09 | 2020-11-17 | 浙江麦迪制冷科技股份有限公司 | Crankshaft lubricating structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
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 311122 industrial city of Yuhang Xianlin holy Road No. 1 Patentee before: HANGZHOU QIANJIANG COMPRESSOR Co.,Ltd. |
|
| 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. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140319 |
|
| CX01 | Expiry of patent term |