CN209164040U - Refrigerator compressor crank connecting rod fixed point piston oiling device - Google Patents
Refrigerator compressor crank connecting rod fixed point piston oiling device Download PDFInfo
- Publication number
- CN209164040U CN209164040U CN201821474342.7U CN201821474342U CN209164040U CN 209164040 U CN209164040 U CN 209164040U CN 201821474342 U CN201821474342 U CN 201821474342U CN 209164040 U CN209164040 U CN 209164040U
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- China
- Prior art keywords
- piston
- connecting rod
- oil
- pin
- lubricating oil
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- 239000003921 oil Substances 0.000 claims abstract description 43
- 239000010687 lubricating oil Substances 0.000 claims abstract description 39
- 239000000446 fuel Substances 0.000 claims description 15
- 230000009286 beneficial effect Effects 0.000 claims description 12
- 230000001050 lubricating effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 238000005553 drilling Methods 0.000 abstract description 2
- 238000005461 lubrication Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000010725 compressor oil Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
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- Compressor (AREA)
Abstract
The utility model relates to a refrigerator compressor apparatus technical field just discloses a refrigerator compressor crank connecting rod fixed point device that oils for piston, this refrigerator compressor crank connecting rod fixed point device that oils for piston, including inhaling oil pipe and connecting rod, the top of inhaling oil pipe is equipped with the bent axle, fixedly connected with end cap on the eccentric shaft oil cup at bent axle top, central oil delivery port has been seted up to the connecting rod inner chamber, and the left side of this central oil delivery port is equipped with the piston pin, the right side of piston pin is equipped with the piston. This refrigerator compressor crank connecting rod fixed point is for piston oiling device through the drilling of bent axle and end cap and connecting rod inner chamber to in making lubricating oil sucked the piston pin, the oil groove of seting up on the rethread piston pin can make lubricating oil need not the bent axle just can carry lubricating oil on the piston, thereby has reached and need not to beat lubricating oil on the piston through bent axle high-speed rotation.
Description
Technical field
The utility model relates to freezer compressor tool technical field, specially a kind of freezer compressor crank connecting link pinpoint to
Piston oiling device.
Background technique
Existing refrigerating compressor for refrigerator is brace and connecting rod framework, fuel sucking pipe is arranged by crankshaft lower end, by centrifugation
Lubricating oil is moved on crankshaft eccentric shaft by oil by the structure of helical oil groove in the middle part of crankshaft, makes lubricating oil in crankshaft eccentric
The upper end outlet of axis is rotated with crankshaft high-speed, so that getting to lubricating oil on piston in crankshaft splashed upward realizes piston with this
Lubrication, but the lubrication that this mode provides, the lubricating oil on the one hand to splash is excessive, passes through lubricating oil between cylinder holes and piston
Cylinder is endlessly discharged in gap, and a large amount of lubricating oil is caused to be brought to refrigeration for refrigerator pipe-line system, makes a large amount of refrigeration oil
It is adhered on refrigerator pipeline, has seriously affected the heat exchange of refrigerator, cause the energy consumption of refrigerator exceeded；Another aspect lubricating oil is with song
Axis rotation, with different angles is turned over, when making the lubricating oil to splash that periodic fuel feeding be presented, and not being splashed on piston,
The lubrication of piston cannot ensure, while the oil in compressor accumulates at refrigerator capillary position, the stifled phenomenon of oil be formed, to make
Refrigerator draws temperature slow, and the lubricating oil in compressor causes self friction and lubrication to be not enough also because oil extraction is serious, to make to compress
There is the problems such as noise is big, and performance is low in machine, seriously affects the efficiency and reliability of compressor.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of compressor crank connecting link and pinpoints oils dress to piston
It sets, has without rotating the advantage got to lubricating oil on piston by crankshaft high-speed, the lubrication for solving piston cannot ensure
The problem of to make compressor the problems such as noise is big, and performance is low occur, seriously affect the efficiency and reliability of compressor.
Above-mentioned it is not necessary that lubricating oil is got to the purpose on piston by crankshaft high-speed rotation to realize, the utility model provides
Following technical solution: a kind of freezer compressor crank connecting link, which pinpoints, gives piston oiling device, including fuel sucking pipe and connecting rod, the suction
The top of oil pipe is equipped with crankshaft, is fixedly connected with plug on the eccentric shaft lubricating cup at the top of the crankshaft, the connecting rod inner cavity opens up
There is center oil transportation mouth, the left side of the center oil transportation mouth is equipped with piston pin, and the right side of the piston pin is equipped with piston.
Preferably, it is drilled with through-hole in the middle part of the connecting rod inner cavity, the diameter of the through-hole is preferably 1.0MM-2.0MM；
Preferably, annular groove is offered in the middle part of the piston pin pin body.
Preferably, oil groove is offered with the piston pin pin along the vertical direction.
Preferably, the surface activity of the piston pin and piston connects.
Compared with prior art, the utility model provides a kind of freezer compressor crank connecting link and pinpoints oils dress to piston
Set, have it is following the utility model has the advantages that
The freezer compressor crank connecting link, which pinpoints, gives piston oiling device, passes through crankshaft and plug and the brill of connecting rod inner cavity
Hole can make lubricating oil without crankshaft to make lubricating oil be inhaled into piston pin, then the oil groove by opening up on piston pin
It can deliver lubricating oil on piston, lubricating oil is got into mesh on piston without rotating by crankshaft high-speed to reach
, it solves the problems, such as compressor oil spout, reduces the oily internal circulating load of compressor, ensure the reliability of compressor lubrication, promote compressor
Efficiency and refrigerator efficiency, therefore have a vast market foreground.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
In figure: 1, fuel sucking pipe；2, crankshaft；3, connecting rod；4, plug；5, piston pin；6, piston.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1
Embodiment 1:
A kind of freezer compressor crank connecting link, which pinpoints, gives piston oiling device, including fuel sucking pipe 1 and connecting rod 3, fuel sucking pipe 1
Top is equipped with crankshaft 2, is fixedly connected with plug 4 on the eccentric shaft lubricating cup at 2 top of crankshaft, 3 inner cavity of connecting rod offers center oil transportation
Mouthful, the left side of the center oil transportation mouth is equipped with piston pin 5, and the right side of piston pin 5 is equipped with piston 6.
Connecting rod is drilled with through-hole in the middle part of 3 inner cavity, and the diameter of the through-hole is preferably 1.0MM, makes the lubrication transferred out in connecting rod 3
The oil mass of oil is smaller, and oil pressure is higher.
Piston pin 5, which is sold, offers annular groove in the middle part of body, is beneficial to lubricating oil and is moved in piston pin 5.
Oil groove is offered along the vertical direction with the pin of piston pin 5, and work can be moved to by piston pin 5 by being beneficial to lubricating oil
On plug 6.
Piston pin 5 is connect with the surface activity of piston 6, and being beneficial to piston pin 5 and piston 6 can cooperate with each other.
Embodiment 2:
A kind of freezer compressor crank connecting link, which pinpoints, gives piston oiling device, including fuel sucking pipe 1 and connecting rod 3, fuel sucking pipe 1
Top is equipped with crankshaft 2, is fixedly connected with plug 4 on the eccentric shaft lubricating cup at 2 top of crankshaft, 3 inner cavity of connecting rod offers center
Oil transportation mouth, the left side of the center oil transportation mouth are equipped with piston pin 5, and the right side of the piston pin 5 is equipped with piston 6.
Connecting rod is drilled with through-hole in the middle part of 3 inner cavity, and the diameter of the through-hole is preferably 1.5MM, the lubricating oil for transferring out connecting rod 3
Oil mass it is moderate, oil pressure is moderate.
Piston pin 5, which is sold, offers annular groove in the middle part of body, is beneficial to lubricating oil and is moved in piston pin 5.
Oil groove is offered along the vertical direction with the pin of piston pin 5, and work can be moved to by piston pin 5 by being beneficial to lubricating oil
On plug 6.
Piston pin 5 is connect with the surface activity of piston 6, and being beneficial to piston pin 5 and piston 6 can cooperate with each other.
Embodiment 3:
A kind of freezer compressor crank connecting link, which pinpoints, gives piston oiling device, including fuel sucking pipe 1 and connecting rod 3, fuel sucking pipe 1
Top is equipped with crankshaft 2, is fixedly connected with plug 4 on the eccentric shaft lubricating cup at 2 top of crankshaft, 3 inner cavity of connecting rod offers center
Oil transportation mouth, the left side of the center oil transportation mouth are equipped with piston pin 5, and the right side of piston pin 5 is equipped with piston 6.
Connecting rod is drilled with through-hole in the middle part of 3 inner cavity, and the diameter of the through-hole is preferably 2.0MM, the lubricating oil for transferring out connecting rod 3
Oil mass it is larger, oil pressure is smaller.
Piston pin 5, which is sold, offers annular groove in the middle part of body, is beneficial to lubricating oil and is moved in piston pin 5.
Oil groove is offered along the vertical direction with the pin of piston pin 5, and work can be moved to by piston pin 5 by being beneficial to lubricating oil
On plug 6.
Piston pin 5 is connect with the surface activity of piston 6, and being beneficial to piston pin 5 and piston 6 can cooperate with each other.
Working principle: the freezer compressor crank connecting link is pinpointed to piston oiling device when in use, and lubricating oil passes through song
The piston motion of axis 2 sucks lubricating oil by fuel sucking pipe 1, to deliver lubricating oil in the lower oilhole of crankshaft 2, then passes through song
Helical oil groove on axis 2 delivers lubricating oil in the eccentric shaft of crankshaft 2, the plug 4 of fixed indentation above eccentric shaft lubricating cup,
Effectively lubricating oil can be transported in piston pin 5 from the circular hole that the center of connecting rod 3 opens up, then pass through the oil groove of piston pin 5 again
The surface of piston 6 is delivered lubricating oil to, 6 surface of piston fuel feeding always is ensured always, makes fuel delivery also can be under pressure
Good control is obtained.
In conclusion the freezer compressor crank connecting link pinpoints and gives piston oiling device, by crankshaft 2 and plug 4 and
The drilling of 3 inner cavity of connecting rod, so that it is inhaled into lubricating oil in piston pin 5, then the oil groove by opening up on piston pin 5, it can
Deliver lubricating oil to lubricating oil can on piston 6 without crankshaft 2, it will without passing through 2 high speed rotation of crankshaft to reach
Lubricating oil gets to purpose on piston 2, solves the problems, such as compressor oil spout, reduces the oily internal circulating load of compressor, ensures compressor lubrication
Reliability, promote compressor efficiency and refrigerator efficiency, therefore have a vast market foreground.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of freezer compressor crank connecting link, which pinpoints, gives piston oiling device, including fuel sucking pipe (1) and connecting rod (3), feature
Be: the top of the fuel sucking pipe (1) is equipped with crankshaft (2), is fixedly connected on the eccentric shaft lubricating cup at the top of the crankshaft (2) stifled
Head (4), connecting rod (3) inner cavity offer center oil transportation mouth, and the left side of the center oil transportation mouth is equipped with piston pin (5), the work
The right side of plug pin (5) is equipped with piston (6).
2. a kind of freezer compressor crank connecting link according to claim 1, which pinpoints, gives piston oiling device, it is characterised in that:
Through-hole is drilled in the middle part of connecting rod (3) inner cavity.
3. a kind of freezer compressor crank connecting link according to claim 1, which pinpoints, gives piston oiling device, it is characterised in that:
Annular groove is offered in the middle part of piston pin (5) the pin body, is beneficial to lubricating oil and is moved in piston pin (5).
4. a kind of freezer compressor crank connecting link according to claim 1, which pinpoints, gives piston oiling device, it is characterised in that:
Oil groove is offered along the vertical direction with piston pin (5) pin, and piston can be moved to by piston pin (5) by being beneficial to lubricating oil
(6) on.
5. a kind of freezer compressor crank connecting link according to claim 1, which pinpoints, gives piston oiling device, it is characterised in that:
The piston pin (5) connect with the surface activity of piston (6), and being beneficial to piston pin (5) and piston (6) can cooperate with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821474342.7U CN209164040U (en) | 2018-09-10 | 2018-09-10 | Refrigerator compressor crank connecting rod fixed point piston oiling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821474342.7U CN209164040U (en) | 2018-09-10 | 2018-09-10 | Refrigerator compressor crank connecting rod fixed point piston oiling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209164040U true CN209164040U (en) | 2019-07-26 |
Family
ID=67330937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821474342.7U Active CN209164040U (en) | 2018-09-10 | 2018-09-10 | Refrigerator compressor crank connecting rod fixed point piston oiling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209164040U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139420A (en) * | 2018-09-10 | 2019-01-04 | 长虹华意压缩机股份有限公司 | Refrigerator compressor crank connecting rod fixed point piston oiling device |
-
2018
- 2018-09-10 CN CN201821474342.7U patent/CN209164040U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139420A (en) * | 2018-09-10 | 2019-01-04 | 长虹华意压缩机股份有限公司 | Refrigerator compressor crank connecting rod fixed point piston oiling device |
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