CN206845419U - A kind of bent axle of refrigeration compressor - Google Patents
A kind of bent axle of refrigeration compressor Download PDFInfo
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- CN206845419U CN206845419U CN201720535761.6U CN201720535761U CN206845419U CN 206845419 U CN206845419 U CN 206845419U CN 201720535761 U CN201720535761 U CN 201720535761U CN 206845419 U CN206845419 U CN 206845419U
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- bent axle
- oil
- oil circuit
- hole
- repairing
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Abstract
The utility model discloses a kind of bent axle of refrigeration compressor, with centrifugation oil circuit, sticky oil circuit and repairing oil circuit, centrifugation oil circuit is connected with sticky oil circuit, repairing oil circuit is on the balance weight of bent axle, repairing oil circuit includes collection pasta and repairing hole, and collection pasta is located at the top of balance weight, and repairing hole is a through hole, in collection pasta, the oil that collection pasta is collected into leaks into and fed the place for needing to lubricate by repairing hole for it.Lubricated because the utility model adds repairing for the bearing area of bent axle, not only ensure that the lubricating oil of bent axle bearing area is persistently supplied, extend the life-span of bent axle, and make the oil channel structures of bent axle more reasonable, improve compressor reliability.
Description
Technical field
Technical field of refrigeration compressors is the utility model is related to, specifically a kind of song of refrigerating compressor for refrigerator
Axle.
Background technology
Refrigeration compressor is generally disposed at the bottom rear of refrigerator, and its effect is the circulation in compression, conveying refrigerator system
Refrigerant, so as to which heat is transferred in surrounding environment from refrigerator inside.
In existing freezer compressor Refrigeration Technique, in piston-cylinder unit suction, in compression travel, refrigerant by
Low temperature is converted into high-temperature high-pressure state.In this conversion process, the motor driven crankshafts of compressor rotate, through song
The eccentric moving mechanism of axle-connecting rod-piston, the refrigerant in suction cylinder is compressed, wherein, the bent axle carrying of compressor
Reaction force during refrigerant compression.
In order to ensure that the motion of bent axle-connecting rod-piston runs well, the crankshaft designs of compressor have oil circuit function,
The lubricating oil for being stored in compression motor spindle is delivered to demand position, one side Castor Oil bent axle-connecting rod-piston motion,
The parts depreciation of kinematic pair is reduced, avoids motion stuck；On the other hand piston-cylinder unit can be cooled down, lifts compressor
Performance.
The oil circuit design of compressor crank shaft is usually provided with centrifugation oil circuit and sticky oil circuit, and the centrifugation oil circuit of wherein bent axle leads to
Eccentric oil pocket or reducing fuel sucking pipe is often provided with bent axle bottom, using the centrifugal action of bent axle rotary course, makes lubricating oil edge
Oil pocket inwall is delivered up to sticky oil circuit.The sticky oil circuit generally use helical oil groove of bent axle, made using the viscosity of lubricating oil
With making lubricating oil be delivered up along helical oil groove, lubrication bent axle top, parts of lubricating oil is transported to inside compressor other
Kinematic pair position or cooling desired zone.
At present, crankshaft fault occupies larger proportion in the compressor fault of user feedback, and common crankshaft fault type
Including bent axle stuck, plucking phenomenon in the hole site that oils.Found through analysis, be revolute pair between the major axis and cylinder-bore of bent axle
Coordinate, carry the reaction force during refrigerant compression.Generally, the upper oil hole of bent axle sets and is not subject to compress positioned at bent axle
The position of the reaction force of process, and the moment of reaction of the symmetric position of bent axle upper oil hole carrying is maximum, and upper oil hole pair
Title is located away from upper oil hole, and other positions are more severe with respect to bent axle for operating mode.During compressor is again started up, bent axle has been opened
Begin rotation, the position do not have lubricating oil ample supply, and bent axle partial lubrication is bad so as to causing during compressor start, causes
The failures such as compressor is stuck, plucking.
The content of the invention
Technical problem to be solved in the utility model is to propose that a kind of bent axle that is directed to carries what position was lubricated
The bent axle of refrigeration compressor, it can be realized persistently supplies lubricating oil to carrying position of the compressor face to bent axle, extends song
The service life of axle, improves compressor reliability.
In order to solve the above technical problems, a kind of bent axle of refrigeration compressor of the utility model has centrifugation oil circuit, viscous oil
Road and repairing oil circuit, the centrifugation oil circuit are connected with the sticky oil circuit, and the repairing oil circuit is located on the balance weight of bent axle,
The repairing oil circuit includes collection pasta and repairing hole, and the collection pasta is located at the top of the balance weight, and the repairing hole is one
Through hole, it is in the collection pasta.
A kind of bent axle of above-mentioned refrigeration compressor, the collection pasta are located at the upper surface of the balance weight, and its side wall is oblique
It is domatic.
A kind of bent axle of above-mentioned refrigeration compressor, the repairing hole is located at the bottom of the collection pasta.
The balance weight is run through in a kind of bent axle of above-mentioned refrigeration compressor, the repairing hole.
A kind of bent axle of above-mentioned refrigeration compressor, the repairing hole is located at the region between bearings face and escape.
A kind of bent axle of above-mentioned refrigeration compressor, the repairing hole position in the crank throw apart from bent axle most far from.
A kind of bent axle of above-mentioned refrigeration compressor, the centrifugation oil circuit include centrifugation oil circuit I, and the centrifugation oil circuit I includes
Oil pocket and fuel sucking pipe or eccentric oil pocket, the oil pocket are connected by lower oilhole set on bent axle with sticky oil circuit.
A kind of bent axle of above-mentioned refrigeration compressor, the sticky oil circuit are along the helical oil groove set by bent axle outer surface, institute
The starting point for stating helical oil groove is the lower oilhole, and the top of the helical oil groove is provided with upper oil hole.
A kind of bent axle of above-mentioned refrigeration compressor, the centrifugation oil circuit include centrifugation oil circuit II, and the centrifugation oil circuit II is
The angled inclined hole with the axis of bent axle, the bottom of the inclined hole connect with the upper oil hole, the centrifugation oil circuit II
Top is the oil outlet on the crank throw of bent axle.
For the utility model as a result of above-mentioned technical pattern, the bearing area that it is directed to bent axle adds repairing lubrication,
It ensure that the lubricating oil of bent axle bearing area is persistently supplied, make the oil channel structures of bent axle more reasonable, extend the life-span of bent axle,
Improve compressor reliability.
Brief description of the drawings
Fig. 1 is the internal structure schematic diagram using the compressor of the utility model bent axle；
Fig. 2 is the assembling structure schematic diagram of bent axle and connecting rod in Fig. 1；
Fig. 3 is the positive structure schematic of the utility model bent axle；
Fig. 4 is the overlooking the structure diagram of the utility model bent axle.
Embodiment
As shown in figure 1, closed compressor housing 01 is included using the refrigeration compressor of the utility model bent axle, compression is made
Piston-cylinder unit 02, bent axle-bar linkage motion mechanism 03 and the electric motor units 04 for driving crank rotation of cryogen.On shell 01
Air intake duct 11 and blast pipe 12 are provided with, refrigerant enters piston-cylinder unit 02 through air intake duct 11, and electric motor units 04 drive song
Axle-linkage 03, drive piston-cylinder unit 02 to move reciprocatingly so as to compression refrigerant, discharge and compress through blast pipe 12
Casing body 01.The utility model bent axle 05 is assembled together with crankcase 06, and steel is lined with successively between bent axle 05 and crankcase 06
Pad I 61, ball bearing 61 and steel plate washer II 63.
Please refer to shown in Fig. 2 and Fig. 3, the utility model bent axle 05 be provided with centrifugation oil circuit I 70, sticky oil circuit 80,
Centrifuge oil circuit II 90 and repairing oil circuit 100.Lubricating oil is delivered to by centrifugation oil circuit I 70 and centrifugation oil circuit II 90 using centrifugal action
Target area, sticky oil circuit 80 are then transported to target area using the viscosity of lubricating oil.Wherein, centrifugation oil circuit I 70 includes
Oil pocket 71 and fuel sucking pipe 72 (fuel sucking pipe 72 can not also be set and use eccentric oil pocket), by the lubricating oil of the bottom of compressor housing 01
13 are delivered to lower oilhole 73 set on bent axle 05, then are delivered to sticky oil circuit 80 through lower oilhole 73.Sticky oil circuit 80 is along song
Helical oil groove 81 set by the outer surface of axle 05, the starting point of helical oil groove 81 lower oilhole 73 set from bent axle 05, to upper oil hole
82 terminate.Centrifugation oil circuit II 90 includes inclined hole 91 and oil outlet 92, and the axis 52 of inclined hole 91 and bent axle 05 is angled（With
15 °~45 ° are preferred, and reduce the resistance that oils）；Inclined hole 91 connects with upper oil hole 82 set on bent axle 05.Centrifuge oil circuit II 90
Starting point be bent axle 05 upper oil hole 82, oil outlet 92 of the lubricating oil 13 through inclined hole 91 to crank throw 51, into crank throw 51 and connecting rod 31
Fit clearance 32 in flow out.So, the lubricating oil of upper oil hole 82 is transported to by sticky oil circuit 80, a part is to ring on bent axle
Upper oil hole is lubricated for 82 1 weeks, and centrifugation oil circuit II 90 of the another part along bent axle is delivered up, the oil outlet 92 through crank throw 51
The kinematic pair of crank throw 51 and connecting rod 31 is lubricated.
Please refer to shown in Fig. 4, repairing oil circuit 100 is arranged on the balance weight 53 of bent axle 05, and repairing oil circuit 100 includes
Collect pasta 101 and repairing hole 103.Collection pasta 101 is arranged on the upper surface 54 of balance weight 53, and the side wall of collection pasta 101 is oblique for one
Domatic, shape is unlimited.Located at the bottom 102 of collection pasta 101, repairing hole 103 is one through the logical of balance weight 53 in repairing hole 103
Hole, shape are unlimited.Collection pasta 101 collects the lubricating oil flowing on the upper surface 54 of balance weight 53, and song is delivered to through repairing hole 103
The bearing area of axle 05, so as to lubricate carrying out local repairing with the symmetrical position of upper oil hole 82 on bent axle, reduce failure
Probability of happening.Region of the set location in repairing hole 103 between bearings face 55 and escape 56 is preferred, be preferably located at away from
From crank throw 51 most far from（The position more remote apart from crank throw 51 on bent axle, the carrying during refrigerant compression is bigger,
Operating mode is more severe.Repairing hole 103 is located at apart from crank throw 51 most far from can be effective directly against being carried out to the region
Ground make-up oil.Repairing hole 103 is located at the position on the opposite of upper oil hole 82 in present embodiment, and this position may not be distance
Crank throw 51 is farthest, but is also, and position that lubrication poor farthest apart from upper oil hole 82）.
Claims (10)
1. a kind of bent axle of refrigeration compressor, there is centrifugation oil circuit and sticky oil circuit, the centrifugation oil circuit and the sticky oil circuit
It is connected, it is characterised in that it also includes repairing oil circuit, and the repairing oil circuit is on the balance weight of bent axle, the repairing oil
Road includes collection pasta and repairing hole, and the collection pasta is located at the top of the balance weight, and the repairing hole is a through hole, and it is located at
In the collection pasta.
2. a kind of bent axle of refrigeration compressor as claimed in claim 1, it is characterised in that the collection pasta is located at the balance
The upper surface of block, its side wall are slope.
3. a kind of bent axle of refrigeration compressor as claimed in claim 1 or 2, it is characterised in that the repairing hole is located at described
Collect the bottom of pasta.
4. a kind of bent axle of refrigeration compressor as claimed in claim 1 or 2, it is characterised in that the repairing hole is through described
Balance weight.
5. a kind of bent axle of refrigeration compressor as claimed in claim 1 or 2, it is characterised in that the repairing hole is located at bearing
Region between supporting surface and escape.
6. a kind of bent axle of refrigeration compressor as claimed in claim 5, it is characterised in that the repairing hole position is in apart from bent axle
Crank throw most far from.
A kind of 7. bent axle of refrigeration compressor as claimed in claim 1 or 2, it is characterised in that the centrifugation oil circuit include from
Heart oil circuit I, the centrifugation oil circuit I include oil pocket and fuel sucking pipe or eccentric oil pocket, and the oil pocket passes through lower oil set on bent axle
Hole is connected with sticky oil circuit.
8. a kind of bent axle of refrigeration compressor as claimed in claim 7, it is characterised in that the sticky oil circuit is along outside bent axle
Helical oil groove set by surface, the starting point of the helical oil groove is the lower oilhole, and the top of the helical oil groove, which is provided with, to oil
Hole.
9. a kind of bent axle of refrigeration compressor as claimed in claim 8, it is characterised in that the centrifugation oil circuit includes centrifugal oil
Road II, the centrifugation oil circuit II are the inclined hole angled with the axis of bent axle, the bottom of the inclined hole and the upper oil hole
Connection, the top of the centrifugation oil circuit II is the oil outlet on the crank throw of bent axle.
A kind of 10. bent axle of refrigeration compressor as claimed in claim 9, it is characterised in that the axis of the inclined hole and bent axle
The angle of formation is 15 °~45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720535761.6U CN206845419U (en) | 2017-05-12 | 2017-05-12 | A kind of bent axle of refrigeration compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720535761.6U CN206845419U (en) | 2017-05-12 | 2017-05-12 | A kind of bent axle of refrigeration compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206845419U true CN206845419U (en) | 2018-01-05 |
Family
ID=60796394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720535761.6U Active CN206845419U (en) | 2017-05-12 | 2017-05-12 | A kind of bent axle of refrigeration compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206845419U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988991A (en) * | 2017-05-12 | 2017-07-28 | 加西贝拉压缩机有限公司 | A kind of bent axle of refrigeration compressor |
-
2017
- 2017-05-12 CN CN201720535761.6U patent/CN206845419U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988991A (en) * | 2017-05-12 | 2017-07-28 | 加西贝拉压缩机有限公司 | A kind of bent axle of refrigeration compressor |
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