CN208221026U - A kind of piston header structure of linear reciprocating compressor - Google Patents
A kind of piston header structure of linear reciprocating compressor Download PDFInfo
- Publication number
- CN208221026U CN208221026U CN201820768201.XU CN201820768201U CN208221026U CN 208221026 U CN208221026 U CN 208221026U CN 201820768201 U CN201820768201 U CN 201820768201U CN 208221026 U CN208221026 U CN 208221026U
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- CN
- China
- Prior art keywords
- push top
- side wall
- annular groove
- oil
- piston
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of piston header structure of linear reciprocating compressor, it include columned push top, piston push rod, piston push rod is fixedly connected with the upper surface side wall of push top, push top upper surface side wall has the first annular groove opened up along itself circumferencial direction, the edge of push top upper surface side wall has inclined oil-scraper face, the upper side of oil-scraper face and the coincident of push top upper surface side wall, arc-shaped transition between the relatively downside of oil-scraper face and the notch outer side edges of the first annular groove；Multiple oil transportation holes being obliquely installed are additionally provided in push top, for the lower end in oil transportation hole through the circumferential side wall having a haircut, the higher-end in oil transportation hole runs through the excircle side wall of the first annular groove；Circumferencial direction spaced set of multiple oil transportation holes along push top.Compared with prior art, the greasy property between piston head and cylinder can be improved in the utility model.
Description
Technical field
The utility model relates to Parts of Compressor field more particularly to a kind of piston head knots of linear reciprocating compressor
Structure.
Background technique
Addition lubricating oil is generally required in the cylinder of traditional compressor, to improve the leakproofness between piston head and cylinder,
Reduce the frictional dissipation of piston head and cylinder.The greasy property between compresser cylinder and piston head is how improved, is compressor
The research direction of field significant concern.
Utility model content
The utility model is to solve existing technological deficiency, provides a kind of piston head knot of linear reciprocating compressor
The greasy property between piston head and cylinder can be improved in structure.Its specific technical solution is as follows:
The utility model discloses a kind of piston header structure of linear reciprocating compressor, includes columned push top, work
Push rod is filled in, piston push rod is fixedly connected with the upper surface side wall of push top, and push top upper surface side wall has to be opened along itself circumferencial direction
If the first annular groove, the edge of push top upper surface side wall has inclined oil-scraper face, the upper side of oil-scraper face and push top upper surface
The coincident of side wall, arc-shaped transition between the relatively downside of oil-scraper face and the notch outer side edges of the first annular groove；It is additionally provided in push top
Multiple oil transportation holes being obliquely installed, the lower end in oil transportation hole is through the circumferential side wall of push top, and the higher-end in oil transportation hole is through first
The excircle side wall of annular groove；Circumferencial direction spaced set of multiple oil transportation holes along push top.
Further, the lower edge of oil transportation hole higher-end port is located at the top of the first annular groove downside wall.
It further, is arc-shaped transition between the lower edge of oil transportation hole higher-end port and the first annular groove downside wall.
Further, the circumferential side wall of lower part of having a haircut is equipped with the second annular groove, and the second annular groove is equipped with sealing ring, sealing ring
Outside evagination is outside the second annular groove；Push top top, which radially expands, extends into opening up horn-like, upper surface side wall of having a haircut
Edge flushed with the excircle side wall of sealing ring.
Further, the tilt angle in oil transportation hole is 10 degree of -15 degree.
The utility model has the beneficial effects that oil-scraper face can be during push top is up moved along cylinder inner cavity
Most of lubricating oil of cylinder inner wall blows into the first annular groove and collects, and lubricating oil enters push top lower section and cylinder along oil transportation hole
It is lubricated between side wall, since lubricating oil most of in cylinder is concentrated between push top and cylinder sidewall, push top profit
Sliding effect is good.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model embodiment；
Fig. 2 is the cylinder of the utility model embodiment and the combination schematic diagram of push top.
It is marked in figure: push top 100, the first annular groove 101, oil transportation hole 102, oil-scraper face 103, piston push rod 200, cylinder 300,
Sealing ring 400, oil storage gap 500.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
The utility model is described in further detail below by specific embodiment combination attached drawing.Please refer to attached drawing.
The utility model discloses a kind of piston header structure of linear reciprocating compressor, include it is columned push top 100,
Piston push rod 200.Piston push rod 200 and the center of the upper surface side wall of push top 100 are fixed by screws, the two
It can be integrally formed.The have a haircut position of 100 upper surface side walls close to itself outer ring side has and opens up along itself circumferencial direction
First annular groove 101, the width and depth of the first annular groove 101 are determined according to actual use situation, general to choose width 1cm-
1.5cm, depth choose 2cm-4cm.Have a haircut 100 upper surface side walls be located at the first annular groove 101 except edge have it is inclined
Oil-scraper face 103, gradient are generally 15 degree of -30 degree；The edge of the 100 upper surface side walls of upper side and push top of oil-scraper face 103
It is overlapped, arc-shaped transition between the relatively downside of oil-scraper face 103 and the notch outer side edges of the first annular groove 101 is so that it is convenient to 300 side of cylinder
The lubricating oil of wall enters the first annular groove 101 along oil-scraper face 103, also facilitates lubricating oil along 103 adverse current of oil-scraper face to cylinder 300
Side wall；Multiple oil transportation holes 102 being obliquely installed are additionally provided in push top 100, the diameter in oil transportation hole 102 generally chooses 0.8cm-
The lower end in 1.2cm oil transportation hole 102 is through the circumferential side wall of push top 100, and the higher-end in oil transportation hole 102 is through the first annular groove 101
Excircle side wall；Circumferencial direction spaced set of multiple oil transportation holes 102 along push top 100.When work, push top 100 along
During 300 inner cavity of cylinder is up moved, most of lubricating oil of 300 inner wall of cylinder can be blown into first by oil-scraper face 103
It is collected in annular groove 101, lubricating oil enters between 100 lower sections of push top and 300 side wall of cylinder along oil transportation hole 102 to be lubricated,
Since lubricating oil most of in cylinder 300 is concentrated between push top 100 and 300 side wall of cylinder, 100 lubricant effects of having a haircut
It is good.Meanwhile in order to solve the lubrication problem of 100 section of push top when push top 100 moves up, above oil transportation hole 102, this skill
The solution of art scheme are as follows: since 300 side wall of cylinder inevitably remains lubricating oil, remaining lubricating oil is to being located at
100 section of push top of 102 top of oil transportation hole is lubricated；In addition, push top 100 along 300 inner cavity raised state of cylinder with move down
During state switches, the lubricating oil in the first annular groove 101 has uptrend, lubricating oil has perpendicular due to the effect of inertia
The process directly moved up, since oil-scraper face 103 is inclined, and outside the notch of the relatively downside of oil-scraper face 103 and the first annular groove 101
It is arc-shaped transition between side, according to fluid mechanics principle, oil-scraper face 103 has certain guiding role to lubricating oil, makes part
Lubricating oil, which is moved and soaked along oil-scraper face 103, is extended down to 300 side wall of cylinder, so that 300 side wall of cylinder is had certain lubricating oil, when pushing away
First 100 when move up again, the available preferable lubricant effect of 100 section of push top above oil transportation hole 102.
Further, the lower edge of 102 higher-end port of oil transportation hole is located at the top of 101 downside wall of the first annular groove, preferably
Ground, spacing 1cm between both, this can make the first annular groove 101 have certain oil storage capacity.
It further, is arc mistake between 101 downside wall of lower edge and the first annular groove of 102 higher-end port of oil transportation hole
It crosses, this can be convenient the oil in the first annular groove 101 and enters oil transportation along the side wall of the arc-shaped transition under the action of mobile inertia
Hole 102.
Further, the circumferential side wall of 100 lower parts of push top is equipped with the second annular groove, and the second annular groove is equipped with sealing ring 400, close
Seal ring 400 can be adhesively fixed in the second annular groove by glue, and the outside evagination of sealing ring 400 is outside the second annular groove；Push top 100
Top, which radially expands, extends into opening up horn-like, the have a haircut edge of 100 upper surface side walls and the outer circle of sealing ring 400
All side walls flush, and making to have a haircut in this way forms one by 100 circumferential side walls of push top and cylinder between 100 upper surfaces and sealing ring 400
The oil storage gap 500 that 300 inner walls surround, can greatly improve the lubricant effect of sealing ring 400 in this way.
Further, the tilt angle in oil transportation hole 102 be 10 degree -15 spend, this can be convenient lubricating oil from oil transportation hole 102 into
Enter to gap between 100 side walls of push top and 300 side wall of cylinder.
The above content is combine specific embodiment further detailed description of the utility model, and it cannot be said that
The specific implementation of the utility model is only limited to these instructions.For the utility model person of an ordinary skill in the technical field
For, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made.
Claims (5)
- It include columned push top (100), piston push rod (200) 1. a kind of piston header structure of linear reciprocating compressor, The piston push rod (200) is fixedly connected with the upper surface side wall of the push top (100), described push top (100) upper surface side wall With the first annular groove (101) opened up along itself circumferencial direction, the edge of push top (100) upper surface side wall has inclined Oil-scraper face (103), the coincident of the upper side of the oil-scraper face (103) and push top (100) upper surface side wall are described to scrape Arc-shaped transition between the relatively downside of pasta (103) and the notch outer side edges of first annular groove (101)；On the push top (100) Multiple oil transportation holes (102) being obliquely installed are additionally provided with, the lower end of the oil transportation hole (102) runs through the circle of the push top (100) All side walls, the higher-end of the oil transportation hole (102) run through the excircle side wall of first annular groove (101)；Multiple oil transportations Circumferencial direction spaced set of the hole (102) along the push top (100).
- 2. piston header structure as described in claim 1, which is characterized in that oil transportation hole (102) the higher-end port it is following Edge is located at the top of the first annular groove (101) downside wall.
- 3. piston header structure as claimed in claim 2, which is characterized in that oil transportation hole (102) the higher-end port it is following It is arc-shaped transition between edge and first annular groove (101) downside wall.
- 4. piston header structure as described in claim 1, which is characterized in that the circumferential side wall of described push top (100) lower part is equipped with Second annular groove, second annular groove are equipped with sealing ring (400), and the outside evagination of the sealing ring (400) is in second ring Outside slot；Described push top (100) top, which radially expands, extends into opening up horn-like, described push top (100) upper end surface side The edge of wall is flushed with the excircle side wall of the sealing ring (400).
- 5. piston header structure as described in claim 1, which is characterized in that the tilt angle of the oil transportation hole (102) be 10 degree- 15 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820768201.XU CN208221026U (en) | 2018-05-22 | 2018-05-22 | A kind of piston header structure of linear reciprocating compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820768201.XU CN208221026U (en) | 2018-05-22 | 2018-05-22 | A kind of piston header structure of linear reciprocating compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208221026U true CN208221026U (en) | 2018-12-11 |
Family
ID=64509779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820768201.XU Expired - Fee Related CN208221026U (en) | 2018-05-22 | 2018-05-22 | A kind of piston header structure of linear reciprocating compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208221026U (en) |
-
2018
- 2018-05-22 CN CN201820768201.XU patent/CN208221026U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181211 Termination date: 20190522 |