CN108386341A - A kind of oilless air compressor inlet piston component - Google Patents
A kind of oilless air compressor inlet piston component Download PDFInfo
- Publication number
- CN108386341A CN108386341A CN201810338433.6A CN201810338433A CN108386341A CN 108386341 A CN108386341 A CN 108386341A CN 201810338433 A CN201810338433 A CN 201810338433A CN 108386341 A CN108386341 A CN 108386341A
- Authority
- CN
- China
- Prior art keywords
- piston
- valve block
- air compressor
- compressor inlet
- oilless air
- 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.)
- Pending
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000010949 copper Substances 0.000 claims abstract description 38
- 229910052802 copper Inorganic materials 0.000 claims abstract description 38
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 9
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 9
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 7
- 241000587161 Gomphocarpus Species 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 11
- 229910052782 aluminium Inorganic materials 0.000 abstract description 11
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 239000004411 aluminium Substances 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
- F04B39/0016—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons with valve arranged in the piston
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The present invention relates to air compressor fields, provide a kind of oilless air compressor inlet piston component, including piston, valve block and the fixing screws that the two is fixedly linked；Piston includes piston body and is set to the piston crown of piston body upper end, piston body inner hollow, and piston body is equipped with key seat, and piston crown upper end is equipped with copper coin, and copper coin is equipped with threaded hole and the air admission hole of piston crown is run through in several longitudinal directions；Valve block is set to above piston, and specially filled polytetrafluoroethylene annular valve block, and fixing screws are equipped with above valve block.Advantages of the present invention is：On the one hand, traditional aluminum piston is replaced much stronger than the copper of aluminium using wearability, greatly increases the wearability of piston, the high energy efficiency performance of oilless air compressor is made to be kept for a long time；On the other hand, traditional steel valve block is improved to filled polytetrafluoroethylene annular valve block, further slows down impact strength when valve block is contacted with top surface on piston, noise can be reduced and increase the service life of machine.
Description
Technical field
The present invention relates to air compressor field more particularly to a kind of oilless air compressor inlet piston components.
Background technology
The service life of existing non-oil air compressor piston component is generally shorter, is primarily present following reason：(1) existing
Some non-oil air compressor piston almost all use aluminum, the maximum drawback of aluminum piston to be its not wear-resisting property；Also,
, will be more apparent the drawbacks of aluminum piston during long-term use, i.e., with compressor operating, aluminum piston can be continuous
Ground is worn, and finally the efficiency of compressor will be caused to continuously decrease；(2) existing oil-free piston air compressor air-intake valve plate is almost
All using steel valve block, the shortcomings that steel valve block, is that larger shock is had when valve block is contacted with top surface on aluminum piston makes an uproar
Sound.
Accordingly, it is badly in need of a kind of wear-resisting, mute oilless air compressor piston component at present, to extend oil-free air compressor work
The service life of plug assembly.
Invention content
Technical problem to be solved by the present invention lies in provide a kind of wear-resisting, mute oilless air compressor inlet piston group
Part, to extend the service life of non-oil air compressor piston component.
The present invention solves above-mentioned technical problem using following technical scheme：
A kind of oilless air compressor inlet piston component, including piston, valve block and the fixing screws that the two is fixedly linked；
The piston includes piston body and the piston crown for being set to piston body upper end, is hollow inside piston body, is set on piston body
It is equipped with key seat, piston crown upper end is equipped with copper coin, and copper coin is equipped with threaded hole and the air inlet of piston crown is run through in several longitudinal directions
Hole；The valve block is set to above piston, and specially filled polytetrafluoroethylene annular valve block, is equipped with above valve block described solid
Determine screw.
One of preferred embodiment as the present invention, the copper coin are set to the upper end center position of piston crown, and specific
For a circular copper plate piece.
As one of the preferred embodiment of the present invention, it is round recessed that the center position of the piston crown upper end offers one
Slot, circular groove is interior to be equipped with the circular copper plate piece mutually agreed with therewith.
One of preferred embodiment as the present invention, the upper surface of the circular copper plate piece is concordant with piston crown upper surface.
One of preferred embodiment as the present invention, the air admission hole is specially six, and along the circumference etc. of circular copper plate piece
Spacing is distributed.
One of preferred embodiment as the present invention, the valve block are specifically set to right over copper coin, and fixing screws are along valve block
Annular opening extend downward into and corresponding threaded holes on copper coin are closed and connected.
As one of the preferred embodiment of the present invention, the threaded hole is specifically set to the center of copper coin, and to downward
It extends to and runs through piston crown.
One of preferred embodiment as the present invention, the fixing screws include screw head and screw rod, and screw head includes
Limited block and the guide pad extended downwardly out from the bottom surface of the limited block, guide pad bottom surface connect the screw rod.
As one of the preferred embodiment of the present invention, the outer diameter of the limited block between valve block dimension of inner and outer diameters it
Between.
One of preferred embodiment as the present invention, the outer diameter of the guide pad is slightly less than the internal diameter size of valve block, and
The simultaneously greater than threaded hole internal diameter size of copper coin, the thickness of guide pad are then slightly larger than the thickness of valve block.
The present invention compared with prior art the advantages of be：
(1) on the one hand, traditional aluminum piston is replaced much stronger than the copper of aluminium using wearability, to greatly increase the resistance to of piston
Mill property, makes the high energy efficiency performance of oilless air compressor be kept for a long time；On the other hand, traditional steel valve block is improved to fill out
Polytetrafluoroethylene (PTFE) annular valve block is filled, further slows down impact strength when valve block is contacted with top surface on piston, machine can be reduced
Noise when device is run, and the whole service life of machine can be increased；
(2) it only needs to be poured into a mould at the top of piston crown, you can copper coin is obtained, it is simple, convenient, it is conducive to industry
Change development；
(3) structure of single-piece piston component is simple, easy to use.
Description of the drawings
Fig. 1 is the overall structure diagram of oilless air compressor inlet piston component in embodiment 1；
Fig. 2 is the overall structure diagram of piston in embodiment 1；
Fig. 3 is the overall structure diagram of 1 middle valve plate of embodiment；
Fig. 4 is the overall structure diagram of fixing screws in embodiment 1；
Fig. 5 is the positive structure diagram of Fig. 1；
Fig. 6 is the right side structural representation of Fig. 1；
Fig. 7 is the A-A schematic cross-sectional views of Fig. 6；
Fig. 8 is the present invention looks up structural representation of Fig. 1.
In figure：1 is piston, and 11 be piston body, and 111 be key seat, and 12 be piston crown, and 13 be circular copper plate piece, and 131 be spiral shell
Pit, 132 be air admission hole, and 2 be valve block, and 3 be fixing screws, and 31 be screw head, and 311 be limited block, and 312 be guide pad, 32
For screw rod.
Specific implementation mode
It elaborates below to the embodiment of the present invention, the present embodiment is carried out lower based on the technical solution of the present invention
Implement, gives detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementation
Example.
Embodiment 1
As shown in figures 1-8, a kind of oilless air compressor inlet piston component of the present embodiment, including piston 1, valve block 2 and
The fixing screws 3 that the two is fixedly linked.
Piston 1 includes piston body 11 and the piston crown 12 for being set to 11 upper end of piston body；During 11 inside of piston body is
Sky is provided with key seat 111 on piston body 11；The center position of 12 upper end of piston crown offers a circular groove (in figure not
Mark), the circular copper plate piece 13 mutually agreed with therewith, the upper surface of circular copper plate piece 13 and piston crown are cast in circular groove
12 upper surfaces are concordant；The air inlet of piston crown 12 is run through in threaded hole 131 and six longitudinal directions there are one being set on circular copper plate piece 13
Hole 132；Wherein, threaded hole 131 is specifically set to the center of circular copper plate piece 13, and extends downward into through piston crown
12；Six air admission holes 132 are centered on threaded hole 131, along the surrounding circumferentially array distribution of circular copper plate piece 13.
Valve block 2 is specifically set to the surface of circular copper plate piece 13, and specially filled polytetrafluoroethylene annular valve block；
The top of valve block 2 is equipped with fixing screws 3, the fixing screws 3 along the annular opening of valve block 2 extend downward into on circular copper plate piece 13
Threaded hole 131 it is in mating connection.
Fixing screws 3 include screw head 31 and screw rod 32, and screw head 31 includes limited block 311 and from limited block
The guide pad 312 that 311 bottom surface extends downwardly out, 312 bottom surface connecting screw 32 of guide pad；Wherein, the outer diameter ruler of limited block 311
It is very little between the dimension of inner and outer diameters of valve block 2；The outer diameter of guide pad 312 is slightly less than the internal diameter size of valve block 2, and simultaneously
More than 131 internal diameter size of threaded hole of circular copper plate piece 13；In addition, the thickness of guide pad 312 is also slightly larger than the thickness of valve block 2.
Advantage of this embodiment is that：
(1) on the one hand, traditional aluminum piston is replaced much stronger than the copper of aluminium using wearability, to greatly increase the resistance to of piston
Mill property, makes the high energy efficiency performance of oilless air compressor be kept for a long time；On the other hand, traditional steel valve block is improved to fill out
Polytetrafluoroethylene (PTFE) annular valve block is filled, further slows down impact strength when valve block 2 is contacted with top surface on piston 1, can reduce
Noise when machine is run, and the whole service life of machine can be increased；
(2) it only needs to be poured into a mould in the top of piston crown 12, you can obtain circular copper plate piece 13, easy to operate, side
Just, it is conducive to industrialized development；
(3) structure of single-piece piston component is simple, easy to use.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. a kind of oilless air compressor inlet piston component, which is characterized in that including piston, valve block and the two is fixedly linked
Fixing screws；The piston includes piston body and the piston crown for being set to piston body upper end, is hollow inside piston body, lives
Key seat is provided on cock body, piston crown upper end is equipped with copper coin, and copper coin is equipped with threaded hole and piston head is run through in several longitudinal directions
The air admission hole in portion；The valve block is set to above piston, and specially filled polytetrafluoroethylene annular valve block, is set above valve block
There are the fixing screws.
2. oilless air compressor inlet piston component according to claim 1, which is characterized in that the copper coin is set to piston
The upper end center position on head, and a specially circular copper plate piece.
3. oilless air compressor inlet piston component according to claim 2, which is characterized in that the piston crown upper end
Center position offers a circular groove, and the circular copper plate piece mutually agreed with therewith is equipped in circular groove.
4. oilless air compressor inlet piston component according to claim 3, which is characterized in that the circular copper plate piece it is upper
Surface is concordant with piston crown upper surface.
5. oilless air compressor inlet piston component according to claim 1, which is characterized in that the air admission hole is specially six
It is a, and along the circumference equidistantly distributed of circular copper plate piece.
6. oilless air compressor inlet piston component according to claim 1, which is characterized in that the valve block is specifically set to
Right over copper coin, fixing screws are extended downward into close with the corresponding threaded holes on copper coin along the annular opening of valve block and be connected.
7. oilless air compressor inlet piston component according to claim 1, which is characterized in that the threaded hole is specifically arranged
In the center of copper coin, and extend downward into through piston crown.
8. oilless air compressor inlet piston component according to claim 1, which is characterized in that the fixing screws include spiral shell
Nail head and screw rod, screw head include limited block and the guide pad that is extended downwardly out from the bottom surface of the limited block, are oriented to
Block bottom surface connects the screw rod.
9. oilless air compressor inlet piston component according to claim 8, which is characterized in that the outer diameter ruler of the limited block
Between the very little dimension of inner and outer diameters between valve block.
10. oilless air compressor inlet piston component according to claim 9, which is characterized in that the outer diameter of the guide pad
It is dimensioned slightly smaller than the internal diameter size of valve block, and the threaded hole internal diameter size of simultaneously greater than copper coin, the thickness of guide pad are then slightly larger than
The thickness of valve block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810338433.6A CN108386341A (en) | 2018-04-16 | 2018-04-16 | A kind of oilless air compressor inlet piston component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810338433.6A CN108386341A (en) | 2018-04-16 | 2018-04-16 | A kind of oilless air compressor inlet piston component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108386341A true CN108386341A (en) | 2018-08-10 |
Family
ID=63064889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810338433.6A Pending CN108386341A (en) | 2018-04-16 | 2018-04-16 | A kind of oilless air compressor inlet piston component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108386341A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878358A (en) * | 2020-07-08 | 2020-11-03 | 河北华本机械有限公司 | Oil-free air compressor piston |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005120891A (en) * | 2003-10-16 | 2005-05-12 | Hitachi Ltd | Piston for internal combustion engine and its manufacturing method |
| CN101776057A (en) * | 2010-01-25 | 2010-07-14 | 福建尤迪电机制造有限公司 | Oil-free lubricating air pump |
| JP2015048779A (en) * | 2013-09-02 | 2015-03-16 | トヨタ自動車株式会社 | Cylinder head |
| CN106089650A (en) * | 2016-07-22 | 2016-11-09 | 佛山市顺德区键合电子有限公司 | A kind of buffer noise reducer for compressor valve plate |
| CN107687411A (en) * | 2017-09-28 | 2018-02-13 | 耐力股份有限公司 | A kind of air intake structure of oil-free piston type air compressor |
| CN208123036U (en) * | 2018-04-16 | 2018-11-20 | 安庆市星杰环保设备科技有限公司 | A kind of oilless air compressor inlet piston component |
-
2018
- 2018-04-16 CN CN201810338433.6A patent/CN108386341A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005120891A (en) * | 2003-10-16 | 2005-05-12 | Hitachi Ltd | Piston for internal combustion engine and its manufacturing method |
| CN101776057A (en) * | 2010-01-25 | 2010-07-14 | 福建尤迪电机制造有限公司 | Oil-free lubricating air pump |
| JP2015048779A (en) * | 2013-09-02 | 2015-03-16 | トヨタ自動車株式会社 | Cylinder head |
| CN106089650A (en) * | 2016-07-22 | 2016-11-09 | 佛山市顺德区键合电子有限公司 | A kind of buffer noise reducer for compressor valve plate |
| CN107687411A (en) * | 2017-09-28 | 2018-02-13 | 耐力股份有限公司 | A kind of air intake structure of oil-free piston type air compressor |
| CN208123036U (en) * | 2018-04-16 | 2018-11-20 | 安庆市星杰环保设备科技有限公司 | A kind of oilless air compressor inlet piston component |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878358A (en) * | 2020-07-08 | 2020-11-03 | 河北华本机械有限公司 | Oil-free air compressor piston |
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