CN209340100U - A kind of crankshaft of compressor integral type - Google Patents
A kind of crankshaft of compressor integral type Download PDFInfo
- Publication number
- CN209340100U CN209340100U CN201920055772.3U CN201920055772U CN209340100U CN 209340100 U CN209340100 U CN 209340100U CN 201920055772 U CN201920055772 U CN 201920055772U CN 209340100 U CN209340100 U CN 209340100U
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- CN
- China
- Prior art keywords
- trunnion
- crankshaft
- oil
- integral type
- oilhole
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- Compressor (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model provides a kind of crankshaft of compressor integral type, belongs to air compressor machine accessory technical field.It solves the problems, such as that the crankshaft oil pump capacity of existing air compressor is uncontrollable.The crankshaft of this compressor integral type includes trunnion one and is spaced apart with trunnion one and the trunnion two on the same direction of axis line, it is provided with crank throw at axially spaced-apart between trunnion one and trunnion two and is linked together by crank throw, it is provided in the three of trunnion one, trunnion two and crank throw on oil canal and the trunnion one, trunnion two and is respectively provided with the profit oilhole for being connected to oil canal and being radially distributed, there is the lubricating arrangement of centrifugal force effect lubrication when can be rotated by crankshaft in profit oilhole.The utility model structure is simple, setting lubricating arrangement can be crankshaft and lubricate for a long time, and lubricant effect is preferable, in assembly in use, compressor operational paradigm can be made higher, long service life.
Description
Technical field
The utility model belongs to Parts of Compressor technical field, is related to a kind of crankshaft of compressor integral type.
Background technique
Air compressor is a kind of equipment to compressed gas.Crankshaft is the power-transmitting part of compressor, motor
Etc. extrinsic motives compressor is transferred power to by crankshaft, and crankshaft drives another compressor part one mounted thereto
Rotary motion is converted reciprocating motion by one connecting rod, to realize the work of piston compressor.
The crankshaft structure of existing compressor, which is easy to cause, is difficult to stablize oil inlet, and the precision of installation and processing is difficult to ensure,
Meanwhile the coefficient of friction of crankshaft wall and body is bigger, increases output power, reduces the performance of complete machine, shortens compression
The service life of machine.
Such as Chinese patent Patent No.: a kind of compressor crankshaft as described in " 201510983182.3 ", specific structure
Including eccentric part, transition element and axis body, oil storage room is equipped in eccentric part, eccentric part bottom end is equipped with the first threaded post, the first spiral shell
The first oil guide pipe is equipped in line column；Transition element upper surface offers the first threaded hole, and the lower surface center of transition element opens up
There is the second threaded hole, oil duct is equipped between the first threaded hole and the second threaded hole；Axis body top is equipped with the second threaded post, the second spiral shell
Be equipped with the second oil guide pipe in line column, axis body offers spiral helicine oil groove and linear oil groove, spiral helicine oil groove with it is described
Linear oil groove is connected, and spiral helicine oil groove is connected with the second oil guide pipe.
In such a configuration, which passes through the first oil guide pipe, the direct and spiral helicine oil groove of the second oil guide pipe and straight
The oil groove of line style is connected to, and oil pump capacity is uncontrollable and oil pump capacity is big, and the indoor oil of oil storage will soon be depleted, and lose profit
Sliding effect, service life are short.
Summary of the invention
The purpose of this utility model is to provide that a kind of structure is simple, energy for the above-mentioned problems in the prior art
To the crankshaft of oil pump capacity control and compressor integral type with long service life.
The purpose of this utility model can be realized by the following technical scheme: a kind of crankshaft of compressor integral type, including
Trunnion one and the trunnion two for being spaced apart and being on same direction of axis line with trunnion one, one He of trunnion
It is provided with crank throw at axially spaced-apart between trunnion two and is linked together by crank throw, which is characterized in that the trunnion
One, it is provided on oil canal and the trunnion one, trunnion two and is respectively provided with and oil canal in the three of trunnion two and crank throw
The profit oilhole for being connected to and being radially distributed, the interior centrifugal force effect lubrication having when can be rotated by crankshaft of the profit oilhole
Lubricating arrangement.
Mainly lubricating arrangement is arranged in profit oilhole in the crankshaft of this compressor integral type, and the lubricating arrangement can control it is fuel-displaced
It measures and the outer surface of trunnion one, trunnion two can be lubricated, even if long-time using that can also keep lubricating, lubrication is imitated
Fruit is good, long service life.
In a kind of crankshaft of above-mentioned compressor integral type, the lubricating arrangement includes piston cotton block, the profit
The shrinkage cavity portion of axial step is formed at the inner end aperture of oilhole with undergauge, is connected with card at the outer end aperture of the profit oilhole
Spring, the piston cotton block is in the profit oilhole and the inner face of the piston cotton block can be with the axial direction in the shrinkage cavity portion
Step leans, and the outer end face of the piston cotton block can lean with the circlip, is additionally provided in the profit oilhole
The logical oily structure of profit oilhole oil pump capacity size can be changed.As the crankshaft rotates, the centrifugation masterpiece which is rotated by crankshaft
With being resisted against on the circlip and with oil liquid and oil lubrication trunnion one, trunnion two can be passed through in the piston cotton block
Outer surface, when crankshaft stops rotating, piston cotton block sliding is set at the inner end aperture of profit oilhole and axially against axial platform
On rank.
In a kind of crankshaft of above-mentioned compressor integral type, the logical oily structure includes the logical oil with oil-through-hole
It covers, there is one section of internal screw thread on the hole wall of the profit oilhole, there is external screw thread on the outer wall of the logical oil jacket, described is logical
Oil jacket is connected on the internal screw thread of profit oilhole by the detachable spiral of external screw thread and the logical oil jacket is axially against in the shrinkage cavity
In the axial step in portion.The purpose being arranged in this way is that the effect that can be lubricated replaces logical oil jacket, easy to use.
In a kind of crankshaft of above-mentioned compressor integral type, the orifice part axis of the oil-through-hole and the shrinkage cavity portion
It is less than the orifice diameter in shrinkage cavity portion to opposite and the oil-through-hole bore dia.The purpose being arranged in this way can be controlled by oil-through-hole
Oil pump capacity.
In a kind of crankshaft of above-mentioned compressor integral type, the crank throw further includes crank and is installed on crank
Rod journal, the crank and trunnion one are connected, and are provided with oblique connection between the rod journal and trunnion two
Neck and the rwo by oblique connection neck be connected.The purpose being arranged in this way is high mechanical strength, and manufacturing cost is lower.
In a kind of crankshaft of above-mentioned compressor integral type, one end of the oblique connection neck and rod journal are solid
Even, the other end of the oblique connection neck has attachment base and is connected by attachment base and trunnion two.The mesh being arranged in this way
Be make trunnion two connection it is more stable.
In a kind of crankshaft of above-mentioned compressor integral type, the both ends of the oil canal extend through the main shaft
Neck one, trunnion two.The purpose being arranged in this way is that the oil liquid in oil canal is made to flow, high lubricating effect.
Compared with prior art, the advantages of the crankshaft of this compressor integral type are as follows: structure is simple, setting lubricating arrangement can be
Crankshaft lubricates for a long time, and lubricant effect is preferable, in assembly in use, compressor operational paradigm can be made higher, long service life.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the crankshaft of this compressor integral type.
Fig. 2 is the schematic cross-sectional view of the crankshaft of this compressor integral type.
In figure, 1, trunnion one；2, trunnion two；3, oil canal；4, moisten oilhole；5, piston cotton block；6, shrinkage cavity portion；7, block
Spring；8, oil-through-hole；9, lead to oil jacket；10, crank；11, rod journal；12, oblique connection neck；13, attachment base.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As depicted in figs. 1 and 2, the crankshaft of this compressor integral type mainly divides by trunnion 1 and with the interval of trunnion 1
The cloth and trunnion 22 on the same direction of axis line forms, at the axially spaced-apart between trunnion 1 and trunnion 22
It is provided with crank throw and is linked together by crank throw, in actually manufacture, the specific structure of the crank throw are as follows: mainly by crank 10 and admittedly
The rod journal 11 being located on crank 10 forms, and crank 10 and trunnion 1 are connected, between rod journal 11 and trunnion 22
It is provided with oblique connection neck 12 and the rwo is connected by oblique connection neck 12；In practice, the oblique connection neck 12
One end and rod journal 11 are connected, and the other end of oblique connection neck 12 has attachment base 13 and passes through attachment base 13 and trunnion two
2 are connected.
Oil canal 3 and the trunnion 1, trunnion 22 are provided in the three of trunnion 1, trunnion 22 and crank throw
On be respectively provided with the profit oilhole 4 for being connected to oil canal 3 and being radially distributed, have when can be by crankshaft rotation in profit oilhole 4
The lubricating arrangement of centrifugal force effect lubrication.
In actually manufacture, the specific embodiment of the lubricating arrangement are as follows: mainly it is made of piston cotton block 5, profit oilhole 4
The shrinkage cavity portion 6 for forming axial step at the aperture of inner end with undergauge moistens and is connected with circlip 7, piston cotton at the outer end aperture of oilhole 4
Block 5 is in the profit oilhole 4 and the inner face of the piston cotton block 5 can lean with the axial step in shrinkage cavity portion 6, piston cotton
The outer end face of block 5 can lean with circlip 7, moisten and be additionally provided with the logical oil knot that can change profit 4 oil pump capacity size of oilhole in oilhole 4
Structure；In practice, the specific embodiment of the logical oily structure are as follows: be mainly made of, moisten the logical oil jacket 9 with oil-through-hole 8
There is one section of internal screw thread, leading to has external screw thread on the outer wall of oil jacket 9, it is detachable by external screw thread to lead to oil jacket 9 on the hole wall of oilhole 4
Spiral is connected on the internal screw thread of profit oilhole 4 and the logical oil jacket 9 is axially against in the axial step in the shrinkage cavity portion 6；It is logical
The orifice part in oilhole 8 and the shrinkage cavity portion 6 is axially opposing and the bore dia of the oil-through-hole 8 is less than the orifice diameter in shrinkage cavity portion 6.
In actually manufacture, in order to make the oil liquid in oil canal 3 flow, high lubricating effect；The both ends of oil canal 3 point
Trunnion 1 that Guan Chuan be not described, trunnion 22.
The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.Herein
Described in specific embodiment be only the spirit of the present invention is given an example.The utility model technical field
Technical staff can make various modifications or additions to the described embodiments or be substituted in a similar manner, but
Without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (7)
1. a kind of crankshaft of compressor integral type, including trunnion one (1) and it is spaced apart with trunnion one (1) and in same
Trunnion two (2) on direction of axis line is arranged at the axially spaced-apart between the trunnion one (1) and trunnion two (2)
There is crank throw and be linked together by crank throw, which is characterized in that the three of the trunnion one (1), trunnion two (2) and crank throw
It is inside provided on oil canal (3) and the trunnion one (1), trunnion two (2) to be respectively provided with and be connected to oil canal (3) and radially
The profit oilhole (4) of distribution, the interior lubrication with centrifugal force effect lubrication when can be rotated by crankshaft of the profit oilhole (4) fill
It sets.
2. a kind of crankshaft of compressor integral type according to claim 1, which is characterized in that the lubricating arrangement includes
Piston cotton block (5) forms the shrinkage cavity portion (6) of axial step at the inner end aperture of the profit oilhole (4) with undergauge, described
Moisten and be connected with circlip (7) at the outer end aperture of oilhole (4), the piston cotton block (5) is in the profit oilhole (4) and should
The inner face of piston cotton block (5) can lean with the axial step in the shrinkage cavity portion (6), outside the piston cotton block (5)
End face can lean with the circlip (7), and being additionally provided in the profit oilhole (4) can change that moisten oilhole (4) oil pump capacity big
Small logical oily structure.
3. a kind of crankshaft of compressor integral type according to claim 2, which is characterized in that the described logical oily structure includes
Logical oil jacket (9) with oil-through-hole (8) has one section of internal screw thread, the logical oil jacket on the hole wall of the profit oilhole (4)
(9) there is external screw thread, the logical oil jacket (9) is connected to the interior of profit oilhole (4) by the detachable spiral of external screw thread on outer wall
On screw thread and logical oil jacket (9) are axially against in the axial step in the shrinkage cavity portion (6).
4. a kind of crankshaft of compressor integral type according to claim 3, which is characterized in that the oil-through-hole (8) with
The orifice part in the shrinkage cavity portion (6) is axially opposing and the bore dia of the oil-through-hole (8) is less than the orifice diameter of shrinkage cavity portion (6).
5. a kind of crankshaft of compressor integral type according to claim 4, which is characterized in that the crank throw further includes song
Handle (10) and the rod journal (11) being installed on crank (10), the crank (10) and trunnion one (1) are connected, described
It is provided with oblique connection neck (12) between rod journal (11) and trunnion two (2) and the rwo is solid by oblique connection neck (12)
Even.
6. a kind of crankshaft of compressor integral type according to claim 5, which is characterized in that the oblique connection neck
(12) one end and rod journal (11) is connected, and the other end of the oblique connection neck (12) has attachment base (13) and passes through
Attachment base (13) and trunnion two (2) are connected.
7. a kind of crankshaft of compressor integral type according to claim 6, which is characterized in that the oil canal (3)
Both ends extend through the trunnion one (1), trunnion two (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920055772.3U CN209340100U (en) | 2019-01-14 | 2019-01-14 | A kind of crankshaft of compressor integral type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920055772.3U CN209340100U (en) | 2019-01-14 | 2019-01-14 | A kind of crankshaft of compressor integral type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209340100U true CN209340100U (en) | 2019-09-03 |
Family
ID=67761497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920055772.3U Expired - Fee Related CN209340100U (en) | 2019-01-14 | 2019-01-14 | A kind of crankshaft of compressor integral type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209340100U (en) |
-
2019
- 2019-01-14 CN CN201920055772.3U patent/CN209340100U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190903 Termination date: 20220114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |