CN207974942U - A kind of compressor piston - Google Patents
A kind of compressor piston Download PDFInfo
- Publication number
- CN207974942U CN207974942U CN201820461571.9U CN201820461571U CN207974942U CN 207974942 U CN207974942 U CN 207974942U CN 201820461571 U CN201820461571 U CN 201820461571U CN 207974942 U CN207974942 U CN 207974942U
- Authority
- CN
- China
- Prior art keywords
- piston body
- oil
- piston
- oil pocket
- compressor
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of compressor pistons, including piston body, including first end and second end, a cavity is provided in the first end of the piston body, an oil pocket is additionally provided in the piston body, the oil pocket is arranged along the axis direction of the piston body, the first end of the piston body is provided with fuel feed hole, the fuel feed hole is connected with one end of oil pocket, the second end of the piston body is connected with the other end of oil pocket, oil pressure piece is movably set in the oil pocket, the oil pressure piece is moved along the axis direction of the oil pocket.In the utility model, it is provided with oil pocket in piston body, while being movably set with oil pressure piece in oil pocket, oil pressure piece is moved with the activity of the piston body, and then receipts oil and oil extraction are realized, and then piston body surface is lubricated, reduce the friction between piston body and cylinder inner wall.
Description
Technical field
The utility model is related to the technical fields of compressor, are specifically related to a kind of compressor piston.
Background technology
Small-sized piston formula compressor is to receive power from motor, is compressed to refrigerant, to improve refrigerant pressure
Mechanical device.This compressor is commonly used to refrigerator, the household electrical appliance such as air-conditioning, and use industrially is also very general
Time.For general reciprocating-piston compressor, piston moves back and forth in cylinder interior, and then compression refrigerant is done
Work(can cause the acute variation of cylinder pressure when piston moves in cylinder, and the cooperation precision between piston and cylinder wall is wanted
It asks very same, i.e., to meet the requirement of sealing, also to play the role of piston and be oriented in cylinder motion, ensure the movement of piston
Track, the piston in existing small-sized piston formula compressor mostly use the cylindric of entirety, pass through transmission device and motor
It is connected to acting in cylinder.During the work time, it can cause cylinder inner wall that micro type occurs when inner cylinder pressure acute variation
Become, piston high-speed motion in cylinder leads to the scratch between cylinder inner wall and piston body and abrasion, has to piston and cylinder
Certain damage.
Friction between compressor piston and piston cylinder in the prior art is larger, reduces the service life of piston.And
And the piston of this structure is greatly reduced the pressure at the position that piston and the contact surface of cylinder body make piston be contacted with cylinder body
It is apparent to increase, also further influence its service life.
Utility model content
For the above-mentioned problems in the prior art, it is desirable to provide a kind of to reduce friction between piston and piston cylinder
Compressor piston
Specific technical solution is as follows：
A kind of compressor piston, including piston body, including first end and second end are arranged in the first end of the piston body
There is a cavity, an oil pocket is additionally provided in the piston body, the oil pocket is arranged along the axis direction of the piston body, the work
The first end of cock body is provided with fuel feed hole, and the fuel feed hole is connected with one end of oil pocket, second end and the oil of the piston body
The other end of chamber is connected, and oil pressure piece is movably set in the oil pocket, and the oil pressure piece is transported along the axis direction of the oil pocket
It is dynamic.
Preferably, one end of the oil pocket towards second end is additionally provided with block.
Preferably, being provided with annular groove on one end end face of the piston body, the fuel feed hole is arranged in annular groove
On.
Preferably, the outer surface of the piston body is evenly distributed with several diversion trenches, one end of the diversion trench and ring
Connected in star is connected, and the other end is directed toward the second end of piston body, and is closed state.
Preferably, being provided with chamfering in the first end of the piston body.
Preferably, the oil pressure on piece is also arranged with rubber ring.
The good effect of above-mentioned technical proposal is：
(1) in the utility model, it is provided with oil pocket in piston body, while being movably set with oil pressure piece, oil pressure in oil pocket
Piece is moved with the activity of the piston body, and then realizes receipts oil and oil extraction, and then is lubricated to piston body surface, is subtracted
Friction between valve piston body and cylinder inner wall.
(2) in addition, diversion trench is arranged on the piston body outer wall so that fluid flows to piston body surface, and then to work
Cock body is lubricated.
(3) and annular groove can then be collected fluid.
Description of the drawings
Fig. 1 is the internal structure schematic diagram of the utility model compressor piston；
Fig. 2 is the vertical view of the utility model compressor piston；
Fig. 3 is the side view of the utility model compressor piston.
In attached drawing：1, piston body；11, first end；12, second end；2, cavity；3, annular groove；4, diversion trench；5, oil inlet
Hole；6, oil pocket；7, oil pressure piece.
Specific implementation mode
In order to make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, with
Lower embodiment combination attached drawing is specifically addressed to provided by the utility model.
Fig. 1 is the internal structure schematic diagram of the utility model compressor piston；Fig. 2 is the utility model compressor piston
Vertical view；Fig. 3 is the side view of the utility model compressor piston.Shown in Fig. 1 to Fig. 3, show a kind of preferable
Compressor piston, including piston body 1, including first end 11 and second end 12 are provided in 1 first end 11 of the piston body
Chamber 2 is additionally provided with an oil pocket 6, axis of the oil pocket 6 along the piston body 1 to install piston rod in the piston body 1
Direction is arranged, and the first end 11 of the piston body 1 is provided with fuel feed hole 5, and the fuel feed hole 5 is connected with one end of oil pocket 6, institute
The second end 12 for stating piston body 1 is connected with the other end of oil pocket 6, and oil pressure piece 7, the oil are movably set in the oil pocket 6
Tabletting 7 is moved along the axis direction of the oil pocket 6, to prevent fluid from leaking, while the volume of oil pocket 6 being adjusted, into
And carry out fuel feeding.
The course of work of the utility model：Lubricating oil is injected in oil pocket 6 by fuel feed hole 5, oil pressure piece 7 is located at institute at this time
Oil pocket 6 is stated close to one end of 1 second end 12 of piston body, when piston body 1 is moved towards 12 direction of second end, piston body 1 is to
The gas compression of two ends, 12 side, and then oil pressure piece 7 receives extruding, is moved towards 11 direction of first end, 6 volume of oil pocket reduces,
Fluid is discharged by oilhole, and the outer surface of piston body 1 is lubricated, and when piston body 1 is moved towards 11 direction of first end, oil
The side of tabletting 7 towards fuel feed hole 5 is squeezed, and then the oil pressure piece 7 is moved to 12 direction of second end, extra part oil
Liquid enters again through fuel feed hole 5 in oil pocket 6.
In the utility model, oil pocket 6 is provided in piston body 1, while oil pressure piece 7, oil pressure are movably set in oil pocket 6
Piece 7 is moved with the activity of the piston body 1, and then realizes receipts oil and oil extraction, and then is moistened to 1 surface of piston body
It is sliding, reduce the friction between piston body 1 and cylinder inner wall.
Hereinafter, being illustrated with a kind of specific embodiment, it should be pointed out that described in following implementation it
Structure, technique, selection are only to illustrate the feasibility of embodiment, the intention of scope of protection of the utility model that there is no restriction.
Specifically, one end of the oil pocket 6 towards second end 12 is additionally provided with block, oil pressure piece 7 is prevented to be detached from the oil
Chamber 6.
In addition, being provided with annular groove 3 on one end end face of the piston body 1, the fuel feed hole 5 is arranged in annular groove
On 3, the setting of the annular groove 3 can be collected extra fluid.
Further, the outer surface of the piston body 1 is evenly distributed with several diversion trenches 4, one end of the diversion trench 4
It is connected with annular groove 3, the other end is directed toward the second end 12 of piston body 1, and is closed state, and then works as fluid from fuel feed hole
When 5 outflow, fluid is entered by annular groove 3 in diversion trench 4, and then is lubricated to the outer surface of piston body 1.Work as piston body
1 towards 11 direction of first end when moving, and since diversion trench 4 is directed toward one end closing of second end 12, and then fluid is squeezed into again
In annular groove 3, into oil pocket 6.
More specifically, it is provided with chamfering in the first end 11 of the piston body 1, and then works as the piston body 1 towards first
When 11 directions being held to move, the fluid being sticked on cylinder inner wall can be collected.
In addition, being also arranged with rubber ring on the oil pressure piece 7, and then it is fitted close with oil pocket 6, prevents fluid from leaking.
In the utility model, oil pocket 6 is provided in piston body 1, while oil pressure piece 7, oil pressure are movably set in oil pocket 6
Piece 7 is moved with the activity of the piston body 1, and then realizes receipts oil and oil extraction, and then is moistened to 1 surface of piston body
It is sliding, reduce the friction between piston body 1 and cylinder inner wall.In addition, diversion trench 4 is arranged on 1 outer wall of the piston body so that oil
Liquid stream is lubricated to 1 surface of piston body, and then to piston body 1.And annular groove 3 can then be collected fluid.
It these are only the utility model preferred embodiment, be not intended to limit the embodiment and protection of the utility model
Range should can appreciate that all with the utility model specification and diagramatic content institute to those skilled in the art
The equivalent replacement made and obviously change obtained scheme, the scope of protection of the utility model should all be included in
It is interior.
Claims (6)
1. a kind of compressor piston, including piston body, including first end and second end, it is provided in the first end of the piston body
One cavity a, which is characterized in that oil pocket is additionally provided in the piston body, the oil pocket is set along the axis direction of the piston body
It sets, the first end of the piston body is provided with fuel feed hole, and the fuel feed hole is connected with one end of oil pocket, and the of the piston body
Two ends are connected with the other end of oil pocket, and oil pressure piece, axis of the oil pressure piece along the oil pocket are movably set in the oil pocket
Line direction moves.
2. compressor piston according to claim 1, which is characterized in that one end of the oil pocket towards second end is also set up
There is block.
3. compressor piston according to claim 2, which is characterized in that be provided with ring on one end end face of the piston body
Connected in star, the fuel feed hole are arranged on annular groove.
4. compressor piston according to claim 3, which is characterized in that if the outer surface of the piston body is evenly distributed with
One end of dry diversion trench, the diversion trench is connected with annular groove, and the other end is directed toward the second end of piston body, and is closing
State.
5. compressor piston according to claim 4, which is characterized in that be provided with down in the first end of the piston body
Angle.
6. compressor piston according to claim 5, which is characterized in that the oil pressure on piece is also arranged with rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820461571.9U CN207974942U (en) | 2018-03-30 | 2018-03-30 | A kind of compressor piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820461571.9U CN207974942U (en) | 2018-03-30 | 2018-03-30 | A kind of compressor piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207974942U true CN207974942U (en) | 2018-10-16 |
Family
ID=63763910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820461571.9U Expired - Fee Related CN207974942U (en) | 2018-03-30 | 2018-03-30 | A kind of compressor piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207974942U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111102162A (en) * | 2019-12-19 | 2020-05-05 | 福州市金政捷制冷设备有限公司 | Refrigeration compressor |
-
2018
- 2018-03-30 CN CN201820461571.9U patent/CN207974942U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111102162A (en) * | 2019-12-19 | 2020-05-05 | 福州市金政捷制冷设备有限公司 | Refrigeration compressor |
| CN111102162B (en) * | 2019-12-19 | 2021-11-26 | 福州市金政捷制冷设备有限公司 | Refrigeration compressor |
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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: 20181016 |